Merge ab/7633965

Bug: 169893837
Merged-In: I2a2d02a0d7e67ee9577857a210cb6157683e5598
Change-Id: Iecdf0a17afe650483461978b42161940ce002101

114 files changed, 2313 insertions, 1571 deletions

diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 79419d3ae6..783a475829 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -126,7 +126,6 @@ static const TracingCategory k_categories[] = {
     { "aidl",       "AIDL calls",               ATRACE_TAG_AIDL, { } },
     { "nnapi",      "NNAPI",                    ATRACE_TAG_NNAPI, { } },
     { "rro",        "Runtime Resource Overlay", ATRACE_TAG_RRO, { } },
-    { "sysprop",    "System Property",          ATRACE_TAG_SYSPROP, { } },
     { k_coreServiceCategory, "Core services", 0, { } },
     { k_pdxServiceCategory, "PDX services", 0, { } },
     { "sched",      "CPU Scheduling",   0, {
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 37fc9a9356..e3c4edebbd 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -266,7 +266,10 @@ on late-init
     chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu15/trace
     chmod 0666 /sys/kernel/tracing/per_cpu/cpu15/trace
 
-on post-fs-data
+# Only create the tracing instance if persist.mm_events.enabled
+# Attempting to remove the tracing instance after it has been created
+# will likely fail with EBUSY as it would be in use by traced_probes.
+on post-fs-data && property:persist.mm_events.enabled=true
 # Create MM Events Tracing Instance for Kmem Activity Trigger
     mkdir /sys/kernel/debug/tracing/instances/mm_events 0755 system system
     mkdir /sys/kernel/tracing/instances/mm_events 0755 system system
@@ -275,10 +278,18 @@ on post-fs-data
     chmod 0666 /sys/kernel/debug/tracing/instances/mm_events/buffer_size_kb
     chmod 0666 /sys/kernel/tracing/instances/mm_events/buffer_size_kb
 
+# Set the default buffer size to the minimum
+    write /sys/kernel/debug/tracing/instances/mm_events/buffer_size_kb 1
+    write /sys/kernel/tracing/instances/mm_events/buffer_size_kb 1
+
 # Read and enable tracing
     chmod 0666 /sys/kernel/debug/tracing/instances/mm_events/tracing_on
     chmod 0666 /sys/kernel/tracing/instances/mm_events/tracing_on
 
+# Tracing disabled by default
+    write /sys/kernel/debug/tracing/instances/mm_events/tracing_on 0
+    write /sys/kernel/tracing/instances/mm_events/tracing_on 0
+
 # Read and truncate kernel trace
     chmod 0666 /sys/kernel/debug/tracing/instances/mm_events/trace
     chmod 0666 /sys/kernel/tracing/instances/mm_events/trace
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 25e6dc95c7..2d11b908c2 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -176,6 +176,7 @@ void add_mountinfo();
 #define LINKERCONFIG_DIR "/linkerconfig"
 #define PACKAGE_DEX_USE_LIST "/data/system/package-dex-usage.list"
 #define SYSTEM_TRACE_SNAPSHOT "/data/misc/perfetto-traces/bugreport/systrace.pftrace"
+#define CGROUPFS_DIR "/sys/fs/cgroup"
 
 // TODO(narayan): Since this information has to be kept in sync
 // with tombstoned, we should just put it in a common header.
@@ -1240,8 +1241,15 @@ static Dumpstate::RunStatus RunDumpsysTextByPriority(const std::string& title, i
         if (status == OK) {
             dumpsys.writeDumpHeader(STDOUT_FILENO, service, priority);
             std::chrono::duration<double> elapsed_seconds;
-            status = dumpsys.writeDump(STDOUT_FILENO, service, service_timeout,
-                                       /* as_proto = */ false, elapsed_seconds, bytes_written);
+            if (priority == IServiceManager::DUMP_FLAG_PRIORITY_HIGH &&
+                service == String16("meminfo")) {
+                // Use a longer timeout for meminfo, since 30s is not always enough.
+                status = dumpsys.writeDump(STDOUT_FILENO, service, 60s,
+                                           /* as_proto = */ false, elapsed_seconds, bytes_written);
+            } else {
+                status = dumpsys.writeDump(STDOUT_FILENO, service, service_timeout,
+                                           /* as_proto = */ false, elapsed_seconds, bytes_written);
+            }
             dumpsys.writeDumpFooter(STDOUT_FILENO, service, elapsed_seconds);
             bool dump_complete = (status == OK);
             dumpsys.stopDumpThread(dump_complete);
@@ -1785,6 +1793,9 @@ static Dumpstate::RunStatus dumpstate() {
     // Add linker configuration directory
     ds.AddDir(LINKERCONFIG_DIR, true);
 
+    /* Dump cgroupfs */
+    ds.AddDir(CGROUPFS_DIR, true);
+
     if (ds.dump_pool_) {
         WAIT_TASK_WITH_CONSENT_CHECK(DUMP_INCIDENT_REPORT_TASK, ds.dump_pool_);
     } else {
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index 59311a012a..74be7cedc7 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -342,8 +342,7 @@ static int restorecon_app_data_lazy(const std::string& path, const std::string&
 
     // If the initial top-level restorecon above changed the label, then go
     // back and restorecon everything recursively
-    // TODO(b/190567190, b/188141923) Remove recursive fixup of com.google.android.gsf.
-    if (strcmp(before, after) || (path.find("com.google.android.gsf") != std::string::npos)) {
+    if (strcmp(before, after)) {
         if (existing) {
             LOG(DEBUG) << "Detected label change from " << before << " to " << after << " at "
                     << path << "; running recursive restorecon";
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index 15f0c5b75c..d678281b6e 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -43,7 +43,7 @@
 #include <log/log.h>               // TODO: Move everything to base/logging.
 #include <openssl/sha.h>
 #include <private/android_filesystem_config.h>
-#include <processgroup/sched_policy.h>
+#include <processgroup/processgroup.h>
 #include <selinux/android.h>
 #include <server_configurable_flags/get_flags.h>
 #include <system/thread_defs.h>
@@ -282,8 +282,8 @@ static bool ShouldUseSwapFileForDexopt() {
 
 static void SetDex2OatScheduling(bool set_to_bg) {
     if (set_to_bg) {
-        if (set_sched_policy(0, SP_BACKGROUND) < 0) {
-            PLOG(ERROR) << "set_sched_policy failed";
+        if (!SetTaskProfiles(0, {"Dex2OatBootComplete"})) {
+            LOG(ERROR) << "Failed to set dex2oat task profile";
             exit(DexoptReturnCodes::kSetSchedPolicy);
         }
         if (setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_BACKGROUND) < 0) {
@@ -1231,6 +1231,14 @@ class RunDexoptAnalyzer : public ExecVHelper {
             }
         }
 
+        // On-device signing related. odsign sets the system property odsign.verification.success if
+        // AOT artifacts have the expected signatures.
+        const bool trust_art_apex_data_files =
+                ::android::base::GetBoolProperty("odsign.verification.success", false);
+        if (!trust_art_apex_data_files) {
+            AddRuntimeArg("-Xdeny-art-apex-data-files");
+        }
+
         PrepareArgs(dexoptanalyzer_bin);
     }
 
@@ -1363,10 +1371,12 @@ static SecondaryDexAccess check_secondary_dex_access(const std::string& dex_path
         return kSecondaryDexAccessReadOk;
     } else {
         if (errno == ENOENT) {
-            LOG(INFO) << "Secondary dex does not exist: " <<  dex_path;
+            async_safe_format_log(ANDROID_LOG_INFO, LOG_TAG,
+                    "Secondary dex does not exist: %s", dex_path.c_str());
             return kSecondaryDexAccessDoesNotExist;
         } else {
-            PLOG(ERROR) << "Could not access secondary dex " << dex_path;
+            async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG,
+                    "Could not access secondary dex: %s (%d)", dex_path.c_str(), errno);
             return errno == EACCES
                 ? kSecondaryDexAccessPermissionError
                 : kSecondaryDexAccessIOError;
diff --git a/cmds/installd/run_dex2oat.cpp b/cmds/installd/run_dex2oat.cpp
index e847626a14..b6616841f0 100644
--- a/cmds/installd/run_dex2oat.cpp
+++ b/cmds/installd/run_dex2oat.cpp
@@ -283,6 +283,13 @@ void RunDex2Oat::PrepareCompilerConfigFlags(const UniqueFile& input_vdex,
         }
     }
 
+    // On-device signing related. odsign sets the system property odsign.verification.success if
+    // AOT artifacts have the expected signatures.
+    const bool trust_art_apex_data_files = GetBoolProperty("odsign.verification.success", false);
+    if (!trust_art_apex_data_files) {
+        AddRuntimeArg("-Xdeny-art-apex-data-files");
+    }
+
     if (target_sdk_version != 0) {
         AddRuntimeArg(StringPrintf("-Xtarget-sdk-version:%d", target_sdk_version));
     }
diff --git a/cmds/surfacereplayer/proto/src/trace.proto b/cmds/surfacereplayer/proto/src/trace.proto
index 3798ba73a4..03a2709075 100644
--- a/cmds/surfacereplayer/proto/src/trace.proto
+++ b/cmds/surfacereplayer/proto/src/trace.proto
@@ -52,6 +52,7 @@ message SurfaceChange {
         BackgroundBlurRadiusChange  background_blur_radius  = 20;
         ShadowRadiusChange          shadow_radius           = 21;
         BlurRegionsChange           blur_regions            = 22;
+        TrustedOverlayChange        trusted_overlay         = 23;
     }
 }
 
@@ -192,6 +193,10 @@ message ShadowRadiusChange {
     required float radius = 1;
 }
 
+message TrustedOverlayChange {
+    required float is_trusted_overlay = 1;
+}
+
 message BlurRegionsChange {
     repeated BlurRegionChange blur_regions = 1;
 }
diff --git a/include/input/Input.h b/include/input/Input.h
index e8678d27c3..2e326cb102 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -43,6 +43,13 @@
  * Additional private constants not defined in ndk/ui/input.h.
  */
 enum {
+#ifdef __linux__
+    /* This event was generated or modified by accessibility service. */
+    AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT =
+            android::os::IInputConstants::INPUT_EVENT_FLAG_IS_ACCESSIBILITY_EVENT, // 0x800,
+#else
+    AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT = 0x800,
+#endif
     /* Signifies that the key is being predispatched */
     AKEY_EVENT_FLAG_PREDISPATCH = 0x20000000,
 
@@ -81,6 +88,16 @@ enum {
      */
     AMOTION_EVENT_FLAG_NO_FOCUS_CHANGE = 0x40,
 
+#ifdef __linux__
+    /**
+     * This event was generated or modified by accessibility service.
+     */
+    AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT =
+            android::os::IInputConstants::INPUT_EVENT_FLAG_IS_ACCESSIBILITY_EVENT, // 0x800,
+#else
+    AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT = 0x800,
+#endif
+
     /* Motion event is inconsistent with previously sent motion events. */
     AMOTION_EVENT_FLAG_TAINTED = 0x80000000,
 };
@@ -89,14 +106,15 @@ enum {
  * Allowed VerifiedKeyEvent flags. All other flags from KeyEvent do not get verified.
  * These values must be kept in sync with VerifiedKeyEvent.java
  */
-constexpr int32_t VERIFIED_KEY_EVENT_FLAGS = AKEY_EVENT_FLAG_CANCELED;
+constexpr int32_t VERIFIED_KEY_EVENT_FLAGS =
+        AKEY_EVENT_FLAG_CANCELED | AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT;
 
 /**
  * Allowed VerifiedMotionEventFlags. All other flags from MotionEvent do not get verified.
  * These values must be kept in sync with VerifiedMotionEvent.java
  */
-constexpr int32_t VERIFIED_MOTION_EVENT_FLAGS =
-        AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED | AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
+constexpr int32_t VERIFIED_MOTION_EVENT_FLAGS = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED |
+        AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED | AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT;
 
 /**
  * This flag indicates that the point up event has been canceled.
@@ -222,16 +240,14 @@ enum {
     POLICY_FLAG_GESTURE = 0x00000008,
 
     POLICY_FLAG_RAW_MASK = 0x0000ffff,
-#ifdef __linux__
-    POLICY_FLAG_INPUTFILTER_TRUSTED = android::os::IInputConstants::POLICY_FLAG_INPUTFILTER_TRUSTED,
 
+#ifdef __linux__
     POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY =
             android::os::IInputConstants::POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY,
 #else
-    POLICY_FLAG_INPUTFILTER_TRUSTED = 0x10000,
-
     POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY = 0x20000,
 #endif
+
     /* These flags are set by the input dispatcher. */
 
     // Indicates that the input event was injected.
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 1955104a22..7f0324a4a8 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -318,8 +318,6 @@ extern std::string getInputDeviceConfigurationFilePathByName(
         const std::string& name, InputDeviceConfigurationFileType type);
 
 enum ReservedInputDeviceId : int32_t {
-    // Device id assigned to input events generated inside accessibility service
-    ACCESSIBILITY_DEVICE_ID = -2,
     // Device id of a special "virtual" keyboard that is always present.
     VIRTUAL_KEYBOARD_ID = -1,
     // Device id of the "built-in" keyboard if there is one.
diff --git a/include/private/performance_hint_private.h b/include/private/performance_hint_private.h
new file mode 100644
index 0000000000..5832bf49bd
--- /dev/null
+++ b/include/private/performance_hint_private.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_PRIVATE_NATIVE_PERFORMANCE_HINT_PRIVATE_H
+#define ANDROID_PRIVATE_NATIVE_PERFORMANCE_HINT_PRIVATE_H
+
+#include <stdint.h>
+
+__BEGIN_DECLS
+
+struct APerformanceHintManager;
+struct APerformanceHintSession;
+
+/**
+ * An opaque type representing a handle to a performance hint manager.
+ * It must be released after use.
+ *
+ * <p>To use:<ul>
+ *    <li>Obtain the performance hint manager instance by calling
+ *        {@link APerformanceHint_getManager} function.</li>
+ *    <li>Create an {@link APerformanceHintSession} with
+ *        {@link APerformanceHint_createSession}.</li>
+ *    <li>Get the preferred update rate in nanoseconds with
+ *        {@link APerformanceHint_getPreferredUpdateRateNanos}.</li>
+ */
+typedef struct APerformanceHintManager APerformanceHintManager;
+
+/**
+ * An opaque type representing a handle to a performance hint session.
+ * A session can only be acquired from a {@link APerformanceHintManager}
+ * with {@link APerformanceHint_getPreferredUpdateRateNanos}. It must be
+ * freed with {@link APerformanceHint_closeSession} after use.
+ *
+ * A Session represents a group of threads with an inter-related workload such that hints for
+ * their performance should be considered as a unit. The threads in a given session should be
+ * long-life and not created or destroyed dynamically.
+ *
+ * <p>Each session is expected to have a periodic workload with a target duration for each
+ * cycle. The cycle duration is likely greater than the target work duration to allow other
+ * parts of the pipeline to run within the available budget. For example, a renderer thread may
+ * work at 60hz in order to produce frames at the display's frame but have a target work
+ * duration of only 6ms.</p>
+ *
+ * <p>After each cycle of work, the client is expected to use
+ * {@link APerformanceHint_reportActualWorkDuration} to report the actual time taken to
+ * complete.</p>
+ *
+ * <p>To use:<ul>
+ *    <li>Update a sessions target duration for each cycle of work
+ *        with  {@link APerformanceHint_updateTargetWorkDuration}.</li>
+ *    <li>Report the actual duration for the last cycle of work with
+ *        {@link APerformanceHint_reportActualWorkDuration}.</li>
+ *    <li>Release the session instance with
+ *        {@link APerformanceHint_closeSession}.</li></ul></p>
+ */
+typedef struct APerformanceHintSession APerformanceHintSession;
+
+/**
+  * Acquire an instance of the performance hint manager.
+  *
+  * @return manager instance on success, nullptr on failure.
+  */
+APerformanceHintManager* APerformanceHint_getManager();
+
+/**
+ * Creates a session for the given set of threads and sets their initial target work
+ * duration.
+ * @param manager The performance hint manager instance.
+ * @param threadIds The list of threads to be associated with this session. They must be part of
+ *     this app's thread group.
+ * @param size the size of threadIds.
+ * @param initialTargetWorkDurationNanos The desired duration in nanoseconds for the new session.
+ *     This must be positive.
+ * @return manager instance on success, nullptr on failure.
+ */
+APerformanceHintSession* APerformanceHint_createSession(APerformanceHintManager* manager,
+                                                        const int32_t* threadIds, size_t size,
+                                                        int64_t initialTargetWorkDurationNanos);
+
+/**
+ * Get preferred update rate information for this device.
+ *
+ * @param manager The performance hint manager instance.
+ * @return the preferred update rate supported by device software.
+ */
+int64_t APerformanceHint_getPreferredUpdateRateNanos(APerformanceHintManager* manager);
+
+/**
+ * Updates this session's target duration for each cycle of work.
+ *
+ * @param session The performance hint session instance to update.
+ * @param targetDurationNanos the new desired duration in nanoseconds. This must be positive.
+ * @return 0 on success
+ *         EINVAL if targetDurationNanos is not positive.
+ *         EPIPE if communication with the system service has failed.
+ */
+int APerformanceHint_updateTargetWorkDuration(APerformanceHintSession* session,
+                                               int64_t targetDurationNanos);
+
+/**
+ * Reports the actual duration for the last cycle of work.
+ *
+ * <p>The system will attempt to adjust the core placement of the threads within the thread
+ * group and/or the frequency of the core on which they are run to bring the actual duration
+ * close to the target duration.</p>
+ *
+ * @param session The performance hint session instance to update.
+ * @param actualDurationNanos how long the thread group took to complete its last task in
+ *     nanoseconds. This must be positive.
+ * @return 0 on success
+ *         EINVAL if actualDurationNanos is not positive.
+ *         EPIPE if communication with the system service has failed.
+ */
+int APerformanceHint_reportActualWorkDuration(APerformanceHintSession* session,
+                                               int64_t actualDurationNanos);
+
+/**
+ * Release the performance hint manager pointer acquired via
+ * {@link APerformanceHint_createSession}.
+ *
+ * @param session The performance hint session instance to release.
+ */
+void APerformanceHint_closeSession(APerformanceHintSession* session);
+
+/**
+ * For testing only.
+ */
+void APerformanceHint_setIHintManagerForTesting(void* iManager);
+
+__END_DECLS
+
+#endif // ANDROID_PRIVATE_NATIVE_PERFORMANCE_HINT_PRIVATE_H
diff --git a/libs/binder/LazyServiceRegistrar.cpp b/libs/binder/LazyServiceRegistrar.cpp
index 616591182a..f66993f926 100644
--- a/libs/binder/LazyServiceRegistrar.cpp
+++ b/libs/binder/LazyServiceRegistrar.cpp
@@ -40,9 +40,9 @@ public:
 
     void setActiveServicesCallback(const std::function<bool(bool)>& activeServicesCallback);
 
-    bool tryUnregister();
+    bool tryUnregisterLocked();
 
-    void reRegister();
+    void reRegisterLocked();
 
 protected:
     Status onClients(const sp<IBinder>& service, bool clients) override;
@@ -59,6 +59,9 @@ private:
         bool registered = true;
     };
 
+    bool registerServiceLocked(const sp<IBinder>& service, const std::string& name,
+                               bool allowIsolated, int dumpFlags);
+
     /**
      * Looks up a service guaranteed to be registered (service from onClients).
      */
@@ -68,7 +71,7 @@ private:
      * Unregisters all services that we can. If we can't unregister all, re-register other
      * services.
      */
-    void tryShutdown();
+    void tryShutdownLocked();
 
     /**
      * Try to shutdown the process, unless:
@@ -76,7 +79,10 @@ private:
      * - The active services count callback returns 'true', or
      * - Some services have clients.
      */
-    void maybeTryShutdown();
+    void maybeTryShutdownLocked();
+
+    // for below
+    std::mutex mMutex;
 
     // count of services with clients
     size_t mNumConnectedServices;
@@ -117,6 +123,13 @@ private:
 
 bool ClientCounterCallbackImpl::registerService(const sp<IBinder>& service, const std::string& name,
                                             bool allowIsolated, int dumpFlags) {
+    std::lock_guard<std::mutex> lock(mMutex);
+    return registerServiceLocked(service, name, allowIsolated, dumpFlags);
+}
+
+bool ClientCounterCallbackImpl::registerServiceLocked(const sp<IBinder>& service,
+                                                      const std::string& name, bool allowIsolated,
+                                                      int dumpFlags) {
     auto manager = interface_cast<AidlServiceManager>(asBinder(defaultServiceManager()));
 
     bool reRegister = mRegisteredServices.count(name) > 0;
@@ -164,14 +177,15 @@ std::map<std::string, ClientCounterCallbackImpl::Service>::iterator ClientCounte
 }
 
 void ClientCounterCallbackImpl::forcePersist(bool persist) {
+    std::lock_guard<std::mutex> lock(mMutex);
     mForcePersist = persist;
     if (!mForcePersist) {
         // Attempt a shutdown in case the number of clients hit 0 while the flag was on
-        maybeTryShutdown();
+        maybeTryShutdownLocked();
     }
 }
 
-bool ClientCounterCallbackImpl::tryUnregister() {
+bool ClientCounterCallbackImpl::tryUnregisterLocked() {
     auto manager = interface_cast<AidlServiceManager>(asBinder(defaultServiceManager()));
 
     for (auto& [name, entry] : mRegisteredServices) {
@@ -187,15 +201,14 @@ bool ClientCounterCallbackImpl::tryUnregister() {
     return true;
 }
 
-void ClientCounterCallbackImpl::reRegister() {
+void ClientCounterCallbackImpl::reRegisterLocked() {
     for (auto& [name, entry] : mRegisteredServices) {
         // re-register entry if not already registered
         if (entry.registered) {
             continue;
         }
 
-        if (!registerService(entry.service, name, entry.allowIsolated,
-                             entry.dumpFlags)) {
+        if (!registerServiceLocked(entry.service, name, entry.allowIsolated, entry.dumpFlags)) {
             // Must restart. Otherwise, clients will never be able to get a hold of this service.
             LOG_ALWAYS_FATAL("Bad state: could not re-register services");
         }
@@ -204,7 +217,7 @@ void ClientCounterCallbackImpl::reRegister() {
     }
 }
 
-void ClientCounterCallbackImpl::maybeTryShutdown() {
+void ClientCounterCallbackImpl::maybeTryShutdownLocked() {
     if (mForcePersist) {
         ALOGI("Shutdown prevented by forcePersist override flag.");
         return;
@@ -223,15 +236,12 @@ void ClientCounterCallbackImpl::maybeTryShutdown() {
     // client count change event, try to shutdown the process if its services
     // have no clients.
     if (!handledInCallback && mNumConnectedServices == 0) {
-        tryShutdown();
+        tryShutdownLocked();
     }
 }
 
-/**
- * onClients is oneway, so no need to worry about multi-threading. Note that this means multiple
- * invocations could occur on different threads however.
- */
 Status ClientCounterCallbackImpl::onClients(const sp<IBinder>& service, bool clients) {
+    std::lock_guard<std::mutex> lock(mMutex);
     auto & [name, registered] = *assertRegisteredService(service);
     if (registered.clients == clients) {
         LOG_ALWAYS_FATAL("Process already thought %s had clients: %d but servicemanager has "
@@ -252,23 +262,24 @@ Status ClientCounterCallbackImpl::onClients(const sp<IBinder>& service, bool cli
     ALOGI("Process has %zu (of %zu available) client(s) in use after notification %s has clients: %d",
           mNumConnectedServices, mRegisteredServices.size(), name.c_str(), clients);
 
-    maybeTryShutdown();
+    maybeTryShutdownLocked();
     return Status::ok();
 }
 
- void ClientCounterCallbackImpl::tryShutdown() {
-     ALOGI("Trying to shut down the service. No clients in use for any service in process.");
+void ClientCounterCallbackImpl::tryShutdownLocked() {
+    ALOGI("Trying to shut down the service. No clients in use for any service in process.");
 
-    if (tryUnregister()) {
-         ALOGI("Unregistered all clients and exiting");
-         exit(EXIT_SUCCESS);
-     }
+    if (tryUnregisterLocked()) {
+        ALOGI("Unregistered all clients and exiting");
+        exit(EXIT_SUCCESS);
+    }
 
-    reRegister();
+    reRegisterLocked();
 }
 
 void ClientCounterCallbackImpl::setActiveServicesCallback(const std::function<bool(bool)>&
                                                           activeServicesCallback) {
+    std::lock_guard<std::mutex> lock(mMutex);
     mActiveServicesCallback = activeServicesCallback;
 }
 
@@ -291,11 +302,15 @@ void ClientCounterCallback::setActiveServicesCallback(const std::function<bool(b
 }
 
 bool ClientCounterCallback::tryUnregister() {
-    return mImpl->tryUnregister();
+    // see comments in header, this should only be called from the active
+    // services callback, see also b/191781736
+    return mImpl->tryUnregisterLocked();
 }
 
 void ClientCounterCallback::reRegister() {
-    mImpl->reRegister();
+    // see comments in header, this should only be called from the active
+    // services callback, see also b/191781736
+    mImpl->reRegisterLocked();
 }
 
 }  // namespace internal
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
index b58d919d33..1010a2d79d 100644
--- a/libs/binder/TEST_MAPPING
+++ b/libs/binder/TEST_MAPPING
@@ -52,6 +52,9 @@
       "name": "CtsOsTestCases",
       "options": [
         {
+          "exclude-annotation": "android.platform.test.annotations.LargeTest"
+        },
+        {
           "exclude-filter": "android.os.cts.BuildTest#testSdkInt"
         },
         {
diff --git a/libs/binder/include/binder/LazyServiceRegistrar.h b/libs/binder/include/binder/LazyServiceRegistrar.h
index f3ba830923..2e22b84ff0 100644
--- a/libs/binder/include/binder/LazyServiceRegistrar.h
+++ b/libs/binder/include/binder/LazyServiceRegistrar.h
@@ -79,9 +79,10 @@ class LazyServiceRegistrar {
       */
      void setActiveServicesCallback(const std::function<bool(bool)>& activeServicesCallback);
 
-    /**
+     /**
       * Try to unregister all services previously registered with 'registerService'.
-      * Returns 'true' if successful.
+      * Returns 'true' if successful. This should only be called within the callback registered by
+      * setActiveServicesCallback.
       */
      bool tryUnregister();
 
diff --git a/libs/binder/libbinder.arm32.map b/libs/binder/libbinder.arm32.map
index 64fdd910a8..f26c33dff5 100644
--- a/libs/binder/libbinder.arm32.map
+++ b/libs/binder/libbinder.arm32.map
@@ -349,11 +349,6 @@ LIBBINDER {
     _ZN7android2os20ParcelFileDescriptorD0Ev;
     _ZN7android2os20ParcelFileDescriptorD1Ev;
     _ZN7android2os20ParcelFileDescriptorD2Ev;
-    _ZN7android2spINS_21IPermissionControllerEED2Ev;
-    _ZN7android2spINS_7BBinderEED2Ev;
-    _ZN7android2spINS_7IBinderEEaSEOS2_;
-    _ZN7android2spINS_7IBinderEEaSERKS2_;
-    _ZN7android2spINS_9HeapCacheEED2Ev;
     _ZN7android4aerrE;
     _ZN7android4alogE;
     _ZN7android4aoutE;
@@ -389,15 +384,6 @@ LIBBINDER {
     _ZN7android6binder8internal21ClientCounterCallback25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
     _ZN7android6binder8internal21ClientCounterCallbackC1Ev;
     _ZN7android6binder8internal21ClientCounterCallbackC2Ev;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl10reRegisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl11tryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl12forcePersistEb;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl13tryUnregisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl15registerServiceERKNS_2spINS_7IBinderEEERKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEEbi;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl16maybeTryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl23assertRegisteredServiceERKNS_2spINS_7IBinderEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl9onClientsERKNS_2spINS_7IBinderEEEb;
     _ZN7android6Parcel10appendFromEPKS0_jj;
     _ZN7android6Parcel10markForRpcERKNS_2spINS_10RpcSessionEEE;
     _ZN7android6Parcel10writeFloatEf;
@@ -1064,202 +1050,6 @@ LIBBINDER {
     _ZNK7android8BpBinder18isDescriptorCachedEv;
     _ZNK7android8BpBinder22getInterfaceDescriptorEv;
     _ZNK7android8BpMemory9getMemoryEPiPj;
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-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE14__erase_uniqueIS3_EEjRKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE15__emplace_multiIJRKNS_4pairIKS3_S3_EEEEENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEEDpOT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE25__emplace_unique_key_argsIS3_JRKNS_21piecewise_construct_tENS_5tupleIJRKS3_EEENSG_IJEEEEEENS_4pairINS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE30__emplace_hint_unique_key_argsIS3_JRKNS_4pairIKS3_S3_EEEEENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEENS_21__tree_const_iteratorIS4_SM_iEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE5eraseENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEE;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE12__find_equalIS3_EERPNS_16__tree_node_baseIPvEENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_SE_EEiEERPNS_15__tree_end_nodeISG_EESH_RKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE12__find_equalIS3_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISG_EERKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE14__assign_multiINS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEEEEvT_SJ_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE15__emplace_multiIJRKNS_4pairIKS3_xEEEEENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEEDpOT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE25__emplace_unique_key_argsIS3_JRKNS_21piecewise_construct_tENS_5tupleIJRKS3_EEENSG_IJEEEEEENS_4pairINS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE30__emplace_hint_unique_key_argsIS3_JRKNS_4pairIKS3_xEEEEENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEENS_21__tree_const_iteratorIS4_SM_iEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeINS_11__thread_idENS_6threadEEENS_19__map_value_compareIS2_S4_NS_4lessIS2_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE12__find_equalIS7_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISO_EERKT_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE25__emplace_unique_key_argsIS7_JRKNS_21piecewise_construct_tENS_5tupleIJRKS7_EEENSO_IJEEEEEENS_4pairINS_15__tree_iteratorISD_PNS_11__tree_nodeISD_PvEEiEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE7destroyEPNS_11__tree_nodeISD_PvEE;
-    _ZNSt3__16vectorIaNS_9allocatorIaEEE6insertIPKaEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIaNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPaEEE4typeENSC_IS6_EES8_S8_;
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-    _ZNSt3__16vectorIbNS_9allocatorIbEEE7reserveEj;
-    _ZNSt3__16vectorIbNS_9allocatorIbEEE9push_backERKb;
-    _ZNSt3__16vectorIbNS_9allocatorIbEEEaSERKS3_;
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-    _ZNSt3__16vectorIDsNS_9allocatorIDsEEE24__emplace_back_slow_pathIJDsEEEvDpOT_;
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-    _ZNSt3__16vectorIiNS_9allocatorIiEEE6assignIPiEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIiNS_15iterator_traitsIS7_E9referenceEEE5valueEvE4typeES7_S7_;
-    _ZNSt3__16vectorIiNS_9allocatorIiEEE6insertIPKiEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIiNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPiEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__16vectorIN7android2os16ServiceDebugInfoENS_9allocatorIS3_EEE8__appendEj;
-    _ZNSt3__16vectorIN7android2spINS1_10RpcSession13RpcConnectionEEENS_9allocatorIS5_EEE21__push_back_slow_pathIRKS5_EEvOT_;
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-    _ZNSt3__16vectorIN7android2spINS1_7IBinderEEENS_9allocatorIS4_EEE21__push_back_slow_pathIRKS4_EEvOT_;
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-    _ZNSt3__16vectorIN7android4base14unique_fd_implINS2_13DefaultCloserEEENS_9allocatorIS5_EEE8__appendEj;
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-    _ZNSt3__16vectorINS_8optionalINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEEENS5_IS8_EEE8__appendEj;
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-    _ZNSt3__16vectorIxNS_9allocatorIxEEE6insertIPKxEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIxNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPxEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__16vectorIxNS_9allocatorIxEEEC2ERKS3_;
-    _ZNSt3__16vectorIyNS_9allocatorIyEEE6insertIPKyEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIyNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPyEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__19__sift_upIRNS_4lessIN7android8RpcState10BinderNode9AsyncTodoEEENS_11__wrap_iterIPS5_EEEEvT0_SB_T_NS_15iterator_traitsISB_E15difference_typeE;
     _ZTCN7android10AllocationE0_NS_10IInterfaceE;
     _ZTCN7android10AllocationE0_NS_10MemoryBaseE;
     _ZTCN7android10AllocationE0_NS_11BnInterfaceINS_7IMemoryEEE;
@@ -1353,12 +1143,6 @@ LIBBINDER {
     _ZTCN7android2os17BpServiceCallbackE0_NS_10IInterfaceE;
     _ZTCN7android2os17BpServiceCallbackE0_NS_11BpInterfaceINS0_16IServiceCallbackEEE;
     _ZTCN7android2os17BpServiceCallbackE4_NS_9BpRefBaseE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_10IInterfaceE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_11BnInterfaceINS_2os15IClientCallbackEEE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os15IClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os16BnClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE4_NS_7BBinderE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE4_NS_7IBinderE;
     _ZTCN7android7BBinderE0_NS_7IBinderE;
     _ZTCN7android7content2pm21IPackageManagerNativeE0_NS_10IInterfaceE;
     _ZTCN7android7content2pm22BnPackageManagerNativeE0_NS_10IInterfaceE;
@@ -1447,7 +1231,6 @@ LIBBINDER {
     _ZTTN7android2os16IServiceCallbackE;
     _ZTTN7android2os17BnServiceCallbackE;
     _ZTTN7android2os17BpServiceCallbackE;
-    _ZTTN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTTN7android7BBinderE;
     _ZTTN7android7content2pm21IPackageManagerNativeE;
     _ZTTN7android7content2pm22BnPackageManagerNativeE;
@@ -1581,7 +1364,6 @@ LIBBINDER {
     _ZTVN7android2os17BpServiceCallbackE;
     _ZTVN7android2os17PersistableBundleE;
     _ZTVN7android2os20ParcelFileDescriptorE;
-    _ZTVN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTVN7android6VectorIiEE;
     _ZTVN7android6VectorINS_12ProcessState12handle_entryEEE;
     _ZTVN7android6VectorINS_2spINS_18BufferedTextOutput11BufferStateEEEEE;
@@ -1606,10 +1388,6 @@ LIBBINDER {
     _ZTVN7android9BpRefBaseE;
     _ZTVN7android9HeapCacheE;
     _ZTVN7android9RpcServerE;
-    _ZTVNSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEEE;
-    _ZTVNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE;
-    _ZTVNSt3__120__shared_ptr_emplaceIN7android14RpcWireAddressENS_9allocatorIS2_EEEE;
-    _ZTVNSt3__120__shared_ptr_emplaceIN7android6binder8internal21ClientCounterCallbackENS_9allocatorIS4_EEEE;
   local:
     *;
 };
diff --git a/libs/binder/libbinder.arm32.vendor.map b/libs/binder/libbinder.arm32.vendor.map
index 8d5a323806..5042414c28 100644
--- a/libs/binder/libbinder.arm32.vendor.map
+++ b/libs/binder/libbinder.arm32.vendor.map
@@ -320,10 +320,6 @@ LIBBINDER {
     _ZN7android2os20ParcelFileDescriptorD0Ev;
     _ZN7android2os20ParcelFileDescriptorD1Ev;
     _ZN7android2os20ParcelFileDescriptorD2Ev;
-    _ZN7android2spINS_7BBinderEED2Ev;
-    _ZN7android2spINS_7IBinderEEaSEOS2_;
-    _ZN7android2spINS_7IBinderEEaSERKS2_;
-    _ZN7android2spINS_9HeapCacheEED2Ev;
     _ZN7android4aerrE;
     _ZN7android4alogE;
     _ZN7android4aoutE;
@@ -359,15 +355,6 @@ LIBBINDER {
     _ZN7android6binder8internal21ClientCounterCallback25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
     _ZN7android6binder8internal21ClientCounterCallbackC1Ev;
     _ZN7android6binder8internal21ClientCounterCallbackC2Ev;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl10reRegisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl11tryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl12forcePersistEb;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl13tryUnregisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl15registerServiceERKNS_2spINS_7IBinderEEERKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEEbi;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl16maybeTryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl23assertRegisteredServiceERKNS_2spINS_7IBinderEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl9onClientsERKNS_2spINS_7IBinderEEEb;
     _ZN7android6Parcel10appendFromEPKS0_jj;
     _ZN7android6Parcel10markForRpcERKNS_2spINS_10RpcSessionEEE;
     _ZN7android6Parcel10writeFloatEf;
@@ -1010,202 +997,6 @@ LIBBINDER {
     _ZNK7android8BpBinder18isDescriptorCachedEv;
     _ZNK7android8BpBinder22getInterfaceDescriptorEv;
     _ZNK7android8BpMemory9getMemoryEPiPj;
-    _ZNKSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEE3strEv;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16EbEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16EdEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16EiEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS2_2os17PersistableBundleEEENS_19__map_value_compareIS3_S6_NS_4lessIS3_EELb1EEENS_9allocatorIS6_EEE4findIS3_EENS_21__tree_const_iteratorIS6_PNS_11__tree_nodeIS6_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIbNS_9allocatorIbEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE4findIS3_EENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIdNS_9allocatorIdEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE4findIS3_EENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIiNS_9allocatorIiEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE4findIS3_EENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE4findIS3_EENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIxNS_9allocatorIxEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE4findIS3_EENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE14__count_uniqueIS7_EEjRKT_;
-    _ZNSt3__111__sift_downIRNS_4lessIN7android8RpcState10BinderNode9AsyncTodoEEENS_11__wrap_iterIPS5_EEEEvT0_SB_T_NS_15iterator_traitsISB_E15difference_typeESB_;
-    _ZNSt3__111unique_lockINS_5mutexEE6unlockEv;
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-    _ZNSt3__16vectorIiNS_9allocatorIiEEE6assignIPiEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIiNS_15iterator_traitsIS7_E9referenceEEE5valueEvE4typeES7_S7_;
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-    _ZNSt3__16vectorINS_8optionalINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEEENS5_IS8_EEE8__appendEj;
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-    _ZNSt3__16vectorIxNS_9allocatorIxEEE6insertIPKxEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIxNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPxEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__16vectorIxNS_9allocatorIxEEEC2ERKS3_;
-    _ZNSt3__16vectorIyNS_9allocatorIyEEE6insertIPKyEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIyNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPyEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__19__sift_upIRNS_4lessIN7android8RpcState10BinderNode9AsyncTodoEEENS_11__wrap_iterIPS5_EEEEvT0_SB_T_NS_15iterator_traitsISB_E15difference_typeE;
     _ZTCN7android10AllocationE0_NS_10IInterfaceE;
     _ZTCN7android10AllocationE0_NS_10MemoryBaseE;
     _ZTCN7android10AllocationE0_NS_11BnInterfaceINS_7IMemoryEEE;
@@ -1289,12 +1080,6 @@ LIBBINDER {
     _ZTCN7android2os17BpServiceCallbackE0_NS_10IInterfaceE;
     _ZTCN7android2os17BpServiceCallbackE0_NS_11BpInterfaceINS0_16IServiceCallbackEEE;
     _ZTCN7android2os17BpServiceCallbackE4_NS_9BpRefBaseE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_10IInterfaceE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_11BnInterfaceINS_2os15IClientCallbackEEE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os15IClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os16BnClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE4_NS_7BBinderE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE4_NS_7IBinderE;
     _ZTCN7android7BBinderE0_NS_7IBinderE;
     _ZTCN7android7content2pm21IPackageManagerNativeE0_NS_10IInterfaceE;
     _ZTCN7android7content2pm22BnPackageManagerNativeE0_NS_10IInterfaceE;
@@ -1379,7 +1164,6 @@ LIBBINDER {
     _ZTTN7android2os16IServiceCallbackE;
     _ZTTN7android2os17BnServiceCallbackE;
     _ZTTN7android2os17BpServiceCallbackE;
-    _ZTTN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTTN7android7BBinderE;
     _ZTTN7android7content2pm21IPackageManagerNativeE;
     _ZTTN7android7content2pm22BnPackageManagerNativeE;
@@ -1506,7 +1290,6 @@ LIBBINDER {
     _ZTVN7android2os17BpServiceCallbackE;
     _ZTVN7android2os17PersistableBundleE;
     _ZTVN7android2os20ParcelFileDescriptorE;
-    _ZTVN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTVN7android6VectorIiEE;
     _ZTVN7android6VectorINS_12ProcessState12handle_entryEEE;
     _ZTVN7android6VectorINS_2spINS_18BufferedTextOutput11BufferStateEEEEE;
@@ -1531,10 +1314,6 @@ LIBBINDER {
     _ZTVN7android9BpRefBaseE;
     _ZTVN7android9HeapCacheE;
     _ZTVN7android9RpcServerE;
-    _ZTVNSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEEE;
-    _ZTVNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE;
-    _ZTVNSt3__120__shared_ptr_emplaceIN7android14RpcWireAddressENS_9allocatorIS2_EEEE;
-    _ZTVNSt3__120__shared_ptr_emplaceIN7android6binder8internal21ClientCounterCallbackENS_9allocatorIS4_EEEE;
   local:
     *;
 };
diff --git a/libs/binder/libbinder.arm64.map b/libs/binder/libbinder.arm64.map
index dc34de8641..62112502ab 100644
--- a/libs/binder/libbinder.arm64.map
+++ b/libs/binder/libbinder.arm64.map
@@ -350,11 +350,6 @@ LIBBINDER {
     _ZN7android2os20ParcelFileDescriptorD0Ev;
     _ZN7android2os20ParcelFileDescriptorD1Ev;
     _ZN7android2os20ParcelFileDescriptorD2Ev;
-    _ZN7android2spINS_21IPermissionControllerEED2Ev;
-    _ZN7android2spINS_7BBinderEED2Ev;
-    _ZN7android2spINS_7IBinderEEaSEOS2_;
-    _ZN7android2spINS_7IBinderEEaSERKS2_;
-    _ZN7android2spINS_9HeapCacheEED2Ev;
     _ZN7android4aerrE;
     _ZN7android4alogE;
     _ZN7android4aoutE;
@@ -390,15 +385,6 @@ LIBBINDER {
     _ZN7android6binder8internal21ClientCounterCallback25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
     _ZN7android6binder8internal21ClientCounterCallbackC1Ev;
     _ZN7android6binder8internal21ClientCounterCallbackC2Ev;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl10reRegisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl11tryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl12forcePersistEb;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl13tryUnregisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl15registerServiceERKNS_2spINS_7IBinderEEERKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEEbi;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl16maybeTryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl23assertRegisteredServiceERKNS_2spINS_7IBinderEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl9onClientsERKNS_2spINS_7IBinderEEEb;
     _ZN7android6Parcel10appendFromEPKS0_mm;
     _ZN7android6Parcel10markForRpcERKNS_2spINS_10RpcSessionEEE;
     _ZN7android6Parcel10writeFloatEf;
@@ -1066,186 +1052,6 @@ LIBBINDER {
     _ZNK7android8BpBinder18isDescriptorCachedEv;
     _ZNK7android8BpBinder22getInterfaceDescriptorEv;
     _ZNK7android8BpMemory9getMemoryEPlPm;
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-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16EiEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ElEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS2_2os17PersistableBundleEEENS_19__map_value_compareIS3_S6_NS_4lessIS3_EELb1EEENS_9allocatorIS6_EEE4findIS3_EENS_21__tree_const_iteratorIS6_PNS_11__tree_nodeIS6_PvEElEERKT_;
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-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIlNS_9allocatorIlEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE30__emplace_hint_unique_key_argsIS3_JRKNS_4pairIKS3_S7_EEEEENS_15__tree_iteratorIS8_PNS_11__tree_nodeIS8_PvEElEENS_21__tree_const_iteratorIS8_SP_lEERKT_DpOT0_;
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-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIlNS_9allocatorIlEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE5eraseENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEElEE;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIlNS_9allocatorIlEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE7destroyEPNS_11__tree_nodeIS8_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE12__find_equalIS3_EERPNS_16__tree_node_baseIPvEENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_SH_EElEERPNS_15__tree_end_nodeISJ_EESK_RKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE12__find_equalIS3_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISJ_EERKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE14__assign_multiINS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEElEEEEvT_SM_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE14__erase_uniqueIS3_EEmRKT_;
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-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE16__construct_nodeIJRKNS_4pairIKS3_S7_EEEEENS_10unique_ptrINS_11__tree_nodeIS8_PvEENS_22__tree_node_destructorINS5_ISO_EEEEEEDpOT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE25__emplace_unique_key_argsIS3_JRKNS_21piecewise_construct_tENS_5tupleIJRKS3_EEENSJ_IJEEEEEENS_4pairINS_15__tree_iteratorIS8_PNS_11__tree_nodeIS8_PvEElEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE30__emplace_hint_unique_key_argsIS3_JRKNS_4pairIKS3_S7_EEEEENS_15__tree_iteratorIS8_PNS_11__tree_nodeIS8_PvEElEENS_21__tree_const_iteratorIS8_SP_lEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE4findIS3_EENS_15__tree_iteratorIS8_PNS_11__tree_nodeIS8_PvEElEERKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE5eraseENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEElEE;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIS3_NS_9allocatorIS3_EEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE7destroyEPNS_11__tree_nodeIS8_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE12__find_equalIS3_EERPNS_16__tree_node_baseIPvEENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_SE_EElEERPNS_15__tree_end_nodeISG_EESH_RKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE12__find_equalIS3_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISG_EERKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE14__assign_multiINS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEEEEvT_SJ_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE14__erase_uniqueIS3_EEmRKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE15__emplace_multiIJRKNS_4pairIKS3_S3_EEEEENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEEDpOT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE25__emplace_unique_key_argsIS3_JRKNS_21piecewise_construct_tENS_5tupleIJRKS3_EEENSG_IJEEEEEENS_4pairINS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE30__emplace_hint_unique_key_argsIS3_JRKNS_4pairIKS3_S3_EEEEENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEENS_21__tree_const_iteratorIS4_SM_lEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEERKT_;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE5eraseENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEE;
-    _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeINS_11__thread_idENS_6threadEEENS_19__map_value_compareIS2_S4_NS_4lessIS2_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE12__find_equalIS7_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISO_EERKT_;
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-    _ZNSt3__16vectorIaNS_9allocatorIaEEE6insertIPKaEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIaNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPaEEE4typeENSC_IS6_EES8_S8_;
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-    _ZNSt3__16vectorIbNS_9allocatorIbEEE9push_backERKb;
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-    _ZNSt3__16vectorIN7android8RpcState10BinderNode9AsyncTodoENS_9allocatorIS4_EEE21__push_back_slow_pathIS4_EEvOT_;
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-    _ZNSt3__16vectorINS_10unique_ptrIN7android8String16ENS_14default_deleteIS3_EEEENS_9allocatorIS6_EEE8__appendEm;
-    _ZNSt3__16vectorINS_10unique_ptrINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEENS_14default_deleteIS7_EEEENS5_ISA_EEE8__appendEm;
-    _ZNSt3__16vectorINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEENS4_IS6_EEE8__appendEm;
-    _ZNSt3__16vectorINS_8optionalIN7android8String16EEENS_9allocatorIS4_EEE8__appendEm;
-    _ZNSt3__16vectorINS_8optionalINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEEENS5_IS8_EEE8__appendEm;
     _ZTCN7android10AllocationE0_NS_10IInterfaceE;
     _ZTCN7android10AllocationE0_NS_10MemoryBaseE;
     _ZTCN7android10AllocationE0_NS_11BnInterfaceINS_7IMemoryEEE;
@@ -1339,12 +1145,6 @@ LIBBINDER {
     _ZTCN7android2os17BpServiceCallbackE0_NS_10IInterfaceE;
     _ZTCN7android2os17BpServiceCallbackE0_NS_11BpInterfaceINS0_16IServiceCallbackEEE;
     _ZTCN7android2os17BpServiceCallbackE8_NS_9BpRefBaseE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_10IInterfaceE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_11BnInterfaceINS_2os15IClientCallbackEEE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os15IClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os16BnClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE8_NS_7BBinderE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE8_NS_7IBinderE;
     _ZTCN7android7BBinderE0_NS_7IBinderE;
     _ZTCN7android7content2pm21IPackageManagerNativeE0_NS_10IInterfaceE;
     _ZTCN7android7content2pm22BnPackageManagerNativeE0_NS_10IInterfaceE;
@@ -1433,7 +1233,6 @@ LIBBINDER {
     _ZTTN7android2os16IServiceCallbackE;
     _ZTTN7android2os17BnServiceCallbackE;
     _ZTTN7android2os17BpServiceCallbackE;
-    _ZTTN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTTN7android7BBinderE;
     _ZTTN7android7content2pm21IPackageManagerNativeE;
     _ZTTN7android7content2pm22BnPackageManagerNativeE;
@@ -1565,7 +1364,6 @@ LIBBINDER {
     _ZTVN7android2os17BpServiceCallbackE;
     _ZTVN7android2os17PersistableBundleE;
     _ZTVN7android2os20ParcelFileDescriptorE;
-    _ZTVN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTVN7android6VectorIiEE;
     _ZTVN7android6VectorINS_12ProcessState12handle_entryEEE;
     _ZTVN7android6VectorINS_2spINS_18BufferedTextOutput11BufferStateEEEEE;
@@ -1592,10 +1390,6 @@ LIBBINDER {
     _ZTVN7android9RpcServerE;
     _ZTvn8_n32_N7android14MemoryHeapBaseD0Ev;
     _ZTvn8_n32_N7android14MemoryHeapBaseD1Ev;
-    _ZTVNSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEEE;
-    _ZTVNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE;
-    _ZTVNSt3__120__shared_ptr_emplaceIN7android14RpcWireAddressENS_9allocatorIS2_EEEE;
-    _ZTVNSt3__120__shared_ptr_emplaceIN7android6binder8internal21ClientCounterCallbackENS_9allocatorIS4_EEEE;
   local:
     *;
 };
diff --git a/libs/binder/libbinder.arm64.vendor.map b/libs/binder/libbinder.arm64.vendor.map
index 971ba925dd..df6aa66071 100644
--- a/libs/binder/libbinder.arm64.vendor.map
+++ b/libs/binder/libbinder.arm64.vendor.map
@@ -320,10 +320,6 @@ LIBBINDER {
     _ZN7android2os20ParcelFileDescriptorD0Ev;
     _ZN7android2os20ParcelFileDescriptorD1Ev;
     _ZN7android2os20ParcelFileDescriptorD2Ev;
-    _ZN7android2spINS_7BBinderEED2Ev;
-    _ZN7android2spINS_7IBinderEEaSEOS2_;
-    _ZN7android2spINS_7IBinderEEaSERKS2_;
-    _ZN7android2spINS_9HeapCacheEED2Ev;
     _ZN7android4aerrE;
     _ZN7android4alogE;
     _ZN7android4aoutE;
@@ -359,15 +355,6 @@ LIBBINDER {
     _ZN7android6binder8internal21ClientCounterCallback25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
     _ZN7android6binder8internal21ClientCounterCallbackC1Ev;
     _ZN7android6binder8internal21ClientCounterCallbackC2Ev;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl10reRegisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl11tryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl12forcePersistEb;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl13tryUnregisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl15registerServiceERKNS_2spINS_7IBinderEEERKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEEbi;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl16maybeTryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl23assertRegisteredServiceERKNS_2spINS_7IBinderEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl9onClientsERKNS_2spINS_7IBinderEEEb;
     _ZN7android6Parcel10appendFromEPKS0_mm;
     _ZN7android6Parcel10markForRpcERKNS_2spINS_10RpcSessionEEE;
     _ZN7android6Parcel10writeFloatEf;
@@ -1011,186 +998,6 @@ LIBBINDER {
     _ZNK7android8BpBinder18isDescriptorCachedEv;
     _ZNK7android8BpBinder22getInterfaceDescriptorEv;
     _ZNK7android8BpMemory9getMemoryEPlPm;
-    _ZNKSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEE3strEv;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16EbEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16EdEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16EiEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ElEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS2_2os17PersistableBundleEEENS_19__map_value_compareIS3_S6_NS_4lessIS3_EELb1EEENS_9allocatorIS6_EEE4findIS3_EENS_21__tree_const_iteratorIS6_PNS_11__tree_nodeIS6_PvEElEERKT_;
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-    _ZNSt3__16vectorIDsNS_9allocatorIDsEEE24__emplace_back_slow_pathIJDsEEEvDpOT_;
-    _ZNSt3__16vectorIDsNS_9allocatorIDsEEE7reserveEm;
-    _ZNSt3__16vectorIfNS_9allocatorIfEEE6insertIPKfEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIfNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPfEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__16vectorIhNS_9allocatorIhEEE6insertIPKhEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIhNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPhEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__16vectorIiNS_9allocatorIiEEE6assignIPiEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIiNS_15iterator_traitsIS7_E9referenceEEE5valueEvE4typeES7_S7_;
-    _ZNSt3__16vectorIiNS_9allocatorIiEEE6insertIPKiEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIiNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPiEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__16vectorIlNS_9allocatorIlEEE6assignIPlEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIlNS_15iterator_traitsIS7_E9referenceEEE5valueEvE4typeES7_S7_;
-    _ZNSt3__16vectorImNS_9allocatorImEEE6insertIPKmEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleImNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPmEEE4typeENSC_IS6_EES8_S8_;
-    _ZNSt3__16vectorIN7android2os16ServiceDebugInfoENS_9allocatorIS3_EEE8__appendEm;
-    _ZNSt3__16vectorIN7android2spINS1_10RpcSession13RpcConnectionEEENS_9allocatorIS5_EEE21__push_back_slow_pathIRKS5_EEvOT_;
-    _ZNSt3__16vectorIN7android2spINS1_10RpcSessionEEENS_9allocatorIS4_EEE21__push_back_slow_pathIRKS4_EEvOT_;
-    _ZNSt3__16vectorIN7android2spINS1_7IBinderEEENS_9allocatorIS4_EEE21__push_back_slow_pathIRKS4_EEvOT_;
-    _ZNSt3__16vectorIN7android2spINS1_7IBinderEEENS_9allocatorIS4_EEE8__appendEm;
-    _ZNSt3__16vectorIN7android4base14unique_fd_implINS2_13DefaultCloserEEENS_9allocatorIS5_EEE8__appendEm;
-    _ZNSt3__16vectorIN7android8RpcState10BinderNode9AsyncTodoENS_9allocatorIS4_EEE21__push_back_slow_pathIS4_EEvOT_;
-    _ZNSt3__16vectorIN7android8String16ENS_9allocatorIS2_EEE6assignIPS2_EENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIS2_NS_15iterator_traitsIS9_E9referenceEEE5valueEvE4typeES9_S9_;
-    _ZNSt3__16vectorIN7android8String16ENS_9allocatorIS2_EEE8__appendEm;
-    _ZNSt3__16vectorINS_10unique_ptrIN7android8String16ENS_14default_deleteIS3_EEEENS_9allocatorIS6_EEE8__appendEm;
-    _ZNSt3__16vectorINS_10unique_ptrINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEENS_14default_deleteIS7_EEEENS5_ISA_EEE8__appendEm;
-    _ZNSt3__16vectorINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEENS4_IS6_EEE8__appendEm;
-    _ZNSt3__16vectorINS_8optionalIN7android8String16EEENS_9allocatorIS4_EEE8__appendEm;
-    _ZNSt3__16vectorINS_8optionalINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEEENS5_IS8_EEE8__appendEm;
     _ZTCN7android10AllocationE0_NS_10IInterfaceE;
     _ZTCN7android10AllocationE0_NS_10MemoryBaseE;
     _ZTCN7android10AllocationE0_NS_11BnInterfaceINS_7IMemoryEEE;
@@ -1274,12 +1081,6 @@ LIBBINDER {
     _ZTCN7android2os17BpServiceCallbackE0_NS_10IInterfaceE;
     _ZTCN7android2os17BpServiceCallbackE0_NS_11BpInterfaceINS0_16IServiceCallbackEEE;
     _ZTCN7android2os17BpServiceCallbackE8_NS_9BpRefBaseE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_10IInterfaceE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_11BnInterfaceINS_2os15IClientCallbackEEE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os15IClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os16BnClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE8_NS_7BBinderE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE8_NS_7IBinderE;
     _ZTCN7android7BBinderE0_NS_7IBinderE;
     _ZTCN7android7content2pm21IPackageManagerNativeE0_NS_10IInterfaceE;
     _ZTCN7android7content2pm22BnPackageManagerNativeE0_NS_10IInterfaceE;
@@ -1364,7 +1165,6 @@ LIBBINDER {
     _ZTTN7android2os16IServiceCallbackE;
     _ZTTN7android2os17BnServiceCallbackE;
     _ZTTN7android2os17BpServiceCallbackE;
-    _ZTTN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTTN7android7BBinderE;
     _ZTTN7android7content2pm21IPackageManagerNativeE;
     _ZTTN7android7content2pm22BnPackageManagerNativeE;
@@ -1489,7 +1289,6 @@ LIBBINDER {
     _ZTVN7android2os17BpServiceCallbackE;
     _ZTVN7android2os17PersistableBundleE;
     _ZTVN7android2os20ParcelFileDescriptorE;
-    _ZTVN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTVN7android6VectorIiEE;
     _ZTVN7android6VectorINS_12ProcessState12handle_entryEEE;
     _ZTVN7android6VectorINS_2spINS_18BufferedTextOutput11BufferStateEEEEE;
@@ -1516,10 +1315,6 @@ LIBBINDER {
     _ZTVN7android9RpcServerE;
     _ZTvn8_n32_N7android14MemoryHeapBaseD0Ev;
     _ZTvn8_n32_N7android14MemoryHeapBaseD1Ev;
-    _ZTVNSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEEE;
-    _ZTVNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE;
-    _ZTVNSt3__120__shared_ptr_emplaceIN7android14RpcWireAddressENS_9allocatorIS2_EEEE;
-    _ZTVNSt3__120__shared_ptr_emplaceIN7android6binder8internal21ClientCounterCallbackENS_9allocatorIS4_EEEE;
   local:
     *;
 };
diff --git a/libs/binder/ndk/tests/Android.bp b/libs/binder/ndk/tests/Android.bp
index bb51bf0b5d..ede4873dd6 100644
--- a/libs/binder/ndk/tests/Android.bp
+++ b/libs/binder/ndk/tests/Android.bp
@@ -95,7 +95,7 @@ cc_test {
         "libbinder_ndk",
         "libutils",
     ],
-    test_suites: ["general-tests", "vts"],
+    test_suites: ["general-tests"],
     require_root: true,
 }
 
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 364c939c18..56a9683773 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -132,8 +132,7 @@ void BLASTBufferItemConsumer::onSidebandStreamChanged() {
 
 BLASTBufferQueue::BLASTBufferQueue(const std::string& name, const sp<SurfaceControl>& surface,
                                    int width, int height, int32_t format)
-      : mName(name),
-        mSurfaceControl(surface),
+      : mSurfaceControl(surface),
         mSize(width, height),
         mRequestedSize(mSize),
         mFormat(format),
@@ -150,8 +149,9 @@ BLASTBufferQueue::BLASTBufferQueue(const std::string& name, const sp<SurfaceCont
                                                               GraphicBuffer::USAGE_HW_TEXTURE,
                                                       1, false);
     static int32_t id = 0;
+    mName = name + "#" + std::to_string(id);
     auto consumerName = mName + "(BLAST Consumer)" + std::to_string(id);
-    mPendingBufferTrace = "PendingBuffer - " + mName + "BLAST#" + std::to_string(id);
+    mQueuedBufferTrace = "QueuedBuffer - " + mName + "BLAST#" + std::to_string(id);
     id++;
     mBufferItemConsumer->setName(String8(consumerName.c_str()));
     mBufferItemConsumer->setFrameAvailableListener(this);
@@ -166,11 +166,14 @@ BLASTBufferQueue::BLASTBufferQueue(const std::string& name, const sp<SurfaceCont
     mTransformHint = mSurfaceControl->getTransformHint();
     mBufferItemConsumer->setTransformHint(mTransformHint);
     SurfaceComposerClient::Transaction()
-          .setFlags(surface, layer_state_t::eEnableBackpressure,
-                    layer_state_t::eEnableBackpressure)
-          .apply();
+            .setFlags(surface, layer_state_t::eEnableBackpressure,
+                      layer_state_t::eEnableBackpressure)
+            .setApplyToken(mApplyToken)
+            .apply();
     mNumAcquired = 0;
     mNumFrameAvailable = 0;
+    BQA_LOGV("BLASTBufferQueue created width=%d height=%d format=%d mTransformHint=%d", width,
+             height, format, mTransformHint);
 }
 
 BLASTBufferQueue::~BLASTBufferQueue() {
@@ -188,27 +191,31 @@ BLASTBufferQueue::~BLASTBufferQueue() {
 }
 
 void BLASTBufferQueue::update(const sp<SurfaceControl>& surface, uint32_t width, uint32_t height,
-                              int32_t format) {
+                              int32_t format, SurfaceComposerClient::Transaction* outTransaction) {
     std::unique_lock _lock{mMutex};
-    BQA_LOGV("update width=%d height=%d format=%d", width, height, format);
     if (mFormat != format) {
         mFormat = format;
         mBufferItemConsumer->setDefaultBufferFormat(convertBufferFormat(format));
     }
 
     SurfaceComposerClient::Transaction t;
+    const bool setBackpressureFlag = !SurfaceControl::isSameSurface(mSurfaceControl, surface);
     bool applyTransaction = false;
-    if (!SurfaceControl::isSameSurface(mSurfaceControl, surface)) {
-        mSurfaceControl = surface;
-        t.setFlags(mSurfaceControl, layer_state_t::eEnableBackpressure,
-                   layer_state_t::eEnableBackpressure);
-        applyTransaction = true;
-    }
 
+    // Always update the native object even though they might have the same layer handle, so we can
+    // get the updated transform hint from WM.
+    mSurfaceControl = surface;
     if (mSurfaceControl != nullptr) {
+        if (setBackpressureFlag) {
+            t.setFlags(mSurfaceControl, layer_state_t::eEnableBackpressure,
+                       layer_state_t::eEnableBackpressure);
+            applyTransaction = true;
+        }
         mTransformHint = mSurfaceControl->getTransformHint();
         mBufferItemConsumer->setTransformHint(mTransformHint);
     }
+    BQA_LOGV("update width=%d height=%d format=%d mTransformHint=%d", width, height, format,
+             mTransformHint);
 
     ui::Size newSize(width, height);
     if (mRequestedSize != newSize) {
@@ -221,15 +228,18 @@ void BLASTBufferQueue::update(const sp<SurfaceControl>& surface, uint32_t width,
             // We only need to update the scale if we've received at least one buffer. The reason
             // for this is the scale is calculated based on the requested size and buffer size.
             // If there's no buffer, the scale will always be 1.
-            if (mLastBufferInfo.hasBuffer) {
-                t.setDestinationFrame(mSurfaceControl,
-                                      Rect(0, 0, newSize.getWidth(), newSize.getHeight()));
+            SurfaceComposerClient::Transaction* destFrameTransaction =
+                    (outTransaction) ? outTransaction : &t;
+            if (mSurfaceControl != nullptr && mLastBufferInfo.hasBuffer) {
+                destFrameTransaction->setDestinationFrame(mSurfaceControl,
+                                                          Rect(0, 0, newSize.getWidth(),
+                                                               newSize.getHeight()));
             }
             applyTransaction = true;
         }
     }
     if (applyTransaction) {
-        t.apply();
+        t.setApplyToken(mApplyToken).apply();
     }
 }
 
@@ -264,6 +274,7 @@ void BLASTBufferQueue::transactionCallback(nsecs_t /*latchTime*/, const sp<Fence
 
                 mTransformHint = stat.transformHint;
                 mBufferItemConsumer->setTransformHint(mTransformHint);
+                BQA_LOGV("updated mTransformHint=%d", mTransformHint);
                 // Update frametime stamps if the frame was latched and presented, indicated by a
                 // valid latch time.
                 if (stat.latchTime > 0) {
@@ -313,29 +324,30 @@ void BLASTBufferQueue::transactionCallback(nsecs_t /*latchTime*/, const sp<Fence
 // BBQ. This is because if the BBQ is destroyed, then the buffers will be released by the client.
 // So we pass in a weak pointer to the BBQ and if it still alive, then we release the buffer.
 // Otherwise, this is a no-op.
-static void releaseBufferCallbackThunk(wp<BLASTBufferQueue> context, uint64_t graphicBufferId,
+static void releaseBufferCallbackThunk(wp<BLASTBufferQueue> context, const ReleaseCallbackId& id,
                                        const sp<Fence>& releaseFence, uint32_t transformHint,
                                        uint32_t currentMaxAcquiredBufferCount) {
     sp<BLASTBufferQueue> blastBufferQueue = context.promote();
-    ALOGV("releaseBufferCallbackThunk graphicBufferId=%" PRIu64 " blastBufferQueue=%s",
-          graphicBufferId, blastBufferQueue ? "alive" : "dead");
     if (blastBufferQueue) {
-        blastBufferQueue->releaseBufferCallback(graphicBufferId, releaseFence, transformHint,
+        blastBufferQueue->releaseBufferCallback(id, releaseFence, transformHint,
                                                 currentMaxAcquiredBufferCount);
+    } else {
+        ALOGV("releaseBufferCallbackThunk %s blastBufferQueue is dead", id.to_string().c_str());
     }
 }
 
-void BLASTBufferQueue::releaseBufferCallback(uint64_t graphicBufferId,
+void BLASTBufferQueue::releaseBufferCallback(const ReleaseCallbackId& id,
                                              const sp<Fence>& releaseFence, uint32_t transformHint,
                                              uint32_t currentMaxAcquiredBufferCount) {
     ATRACE_CALL();
     std::unique_lock _lock{mMutex};
-    BQA_LOGV("releaseBufferCallback graphicBufferId=%" PRIu64, graphicBufferId);
+    BQA_LOGV("releaseBufferCallback %s", id.to_string().c_str());
 
     if (mSurfaceControl != nullptr) {
         mTransformHint = transformHint;
         mSurfaceControl->setTransformHint(transformHint);
         mBufferItemConsumer->setTransformHint(mTransformHint);
+        BQA_LOGV("updated mTransformHint=%d", mTransformHint);
     }
 
     // Calculate how many buffers we need to hold before we release them back
@@ -343,34 +355,34 @@ void BLASTBufferQueue::releaseBufferCallback(uint64_t graphicBufferId,
     // on a lower refresh rate than the max supported. We only do that for EGL
     // clients as others don't care about latency
     const bool isEGL = [&] {
-        const auto it = mSubmitted.find(graphicBufferId);
+        const auto it = mSubmitted.find(id);
         return it != mSubmitted.end() && it->second.mApi == NATIVE_WINDOW_API_EGL;
     }();
 
     const auto numPendingBuffersToHold =
             isEGL ? std::max(0u, mMaxAcquiredBuffers - currentMaxAcquiredBufferCount) : 0;
-    mPendingRelease.emplace_back(ReleasedBuffer{graphicBufferId, releaseFence});
+    mPendingRelease.emplace_back(ReleasedBuffer{id, releaseFence});
 
     // Release all buffers that are beyond the ones that we need to hold
     while (mPendingRelease.size() > numPendingBuffersToHold) {
         const auto releaseBuffer = mPendingRelease.front();
         mPendingRelease.pop_front();
-        auto it = mSubmitted.find(releaseBuffer.bufferId);
+        auto it = mSubmitted.find(releaseBuffer.callbackId);
         if (it == mSubmitted.end()) {
-            BQA_LOGE("ERROR: releaseBufferCallback without corresponding submitted buffer %" PRIu64,
-                     graphicBufferId);
+            BQA_LOGE("ERROR: releaseBufferCallback without corresponding submitted buffer %s",
+                     releaseBuffer.callbackId.to_string().c_str());
             return;
         }
-
+        mNumAcquired--;
+        BQA_LOGV("released %s", id.to_string().c_str());
         mBufferItemConsumer->releaseBuffer(it->second, releaseBuffer.releaseFence);
         mSubmitted.erase(it);
+        processNextBufferLocked(false /* useNextTransaction */);
     }
 
     ATRACE_INT("PendingRelease", mPendingRelease.size());
-
-    mNumAcquired--;
-    ATRACE_INT(mPendingBufferTrace.c_str(), mNumFrameAvailable + mNumAcquired);
-    processNextBufferLocked(false /* useNextTransaction */);
+    ATRACE_INT(mQueuedBufferTrace.c_str(),
+               mNumFrameAvailable + mNumAcquired - mPendingRelease.size());
     mCallbackCV.notify_all();
 }
 
@@ -419,7 +431,7 @@ void BLASTBufferQueue::processNextBufferLocked(bool useNextTransaction) {
     }
 
     if (rejectBuffer(bufferItem)) {
-        BQA_LOGE("rejecting buffer:active_size=%dx%d, requested_size=%dx%d"
+        BQA_LOGE("rejecting buffer:active_size=%dx%d, requested_size=%dx%d "
                  "buffer{size=%dx%d transform=%d}",
                  mSize.width, mSize.height, mRequestedSize.width, mRequestedSize.height,
                  buffer->getWidth(), buffer->getHeight(), bufferItem.mTransform);
@@ -429,7 +441,9 @@ void BLASTBufferQueue::processNextBufferLocked(bool useNextTransaction) {
     }
 
     mNumAcquired++;
-    mSubmitted[buffer->getId()] = bufferItem;
+    mLastAcquiredFrameNumber = bufferItem.mFrameNumber;
+    ReleaseCallbackId releaseCallbackId(buffer->getId(), mLastAcquiredFrameNumber);
+    mSubmitted[releaseCallbackId] = bufferItem;
 
     bool needsDisconnect = false;
     mBufferItemConsumer->getConnectionEvents(bufferItem.mFrameNumber, &needsDisconnect);
@@ -443,7 +457,9 @@ void BLASTBufferQueue::processNextBufferLocked(bool useNextTransaction) {
     incStrong((void*)transactionCallbackThunk);
 
     Rect crop = computeCrop(bufferItem);
-    mLastAcquiredFrameNumber = bufferItem.mFrameNumber;
+    const bool updateDestinationFrame =
+            bufferItem.mScalingMode == NATIVE_WINDOW_SCALING_MODE_FREEZE ||
+            !mLastBufferInfo.hasBuffer;
     mLastBufferInfo.update(true /* hasBuffer */, bufferItem.mGraphicBuffer->getWidth(),
                            bufferItem.mGraphicBuffer->getHeight(), bufferItem.mTransform,
                            bufferItem.mScalingMode, crop);
@@ -452,7 +468,7 @@ void BLASTBufferQueue::processNextBufferLocked(bool useNextTransaction) {
             std::bind(releaseBufferCallbackThunk, wp<BLASTBufferQueue>(this) /* callbackContext */,
                       std::placeholders::_1, std::placeholders::_2, std::placeholders::_3,
                       std::placeholders::_4);
-    t->setBuffer(mSurfaceControl, buffer, releaseBufferCallback);
+    t->setBuffer(mSurfaceControl, buffer, releaseCallbackId, releaseBufferCallback);
     t->setDataspace(mSurfaceControl, static_cast<ui::Dataspace>(bufferItem.mDataSpace));
     t->setHdrMetadata(mSurfaceControl, bufferItem.mHdrMetadata);
     t->setSurfaceDamageRegion(mSurfaceControl, bufferItem.mSurfaceDamage);
@@ -461,7 +477,9 @@ void BLASTBufferQueue::processNextBufferLocked(bool useNextTransaction) {
     t->addTransactionCompletedCallback(transactionCallbackThunk, static_cast<void*>(this));
     mSurfaceControlsWithPendingCallback.push(mSurfaceControl);
 
-    t->setDestinationFrame(mSurfaceControl, Rect(0, 0, mSize.getWidth(), mSize.getHeight()));
+    if (updateDestinationFrame) {
+        t->setDestinationFrame(mSurfaceControl, Rect(0, 0, mSize.getWidth(), mSize.getHeight()));
+    }
     t->setBufferCrop(mSurfaceControl, crop);
     t->setTransform(mSurfaceControl, bufferItem.mTransform);
     t->setTransformToDisplayInverse(mSurfaceControl, bufferItem.mTransformToDisplayInverse);
@@ -511,11 +529,11 @@ void BLASTBufferQueue::processNextBufferLocked(bool useNextTransaction) {
 
     BQA_LOGV("processNextBufferLocked size=%dx%d mFrameNumber=%" PRIu64
              " applyTransaction=%s mTimestamp=%" PRId64 "%s mPendingTransactions.size=%d"
-             " graphicBufferId=%" PRIu64,
+             " graphicBufferId=%" PRIu64 "%s transform=%d",
              mSize.width, mSize.height, bufferItem.mFrameNumber, toString(applyTransaction),
              bufferItem.mTimestamp, bufferItem.mIsAutoTimestamp ? "(auto)" : "",
-             static_cast<uint32_t>(mPendingTransactions.size()),
-             bufferItem.mGraphicBuffer->getId());
+             static_cast<uint32_t>(mPendingTransactions.size()), bufferItem.mGraphicBuffer->getId(),
+             bufferItem.mAutoRefresh ? " mAutoRefresh" : "", bufferItem.mTransform);
 }
 
 Rect BLASTBufferQueue::computeCrop(const BufferItem& item) {
@@ -538,7 +556,8 @@ void BLASTBufferQueue::onFrameAvailable(const BufferItem& item) {
     }
     // add to shadow queue
     mNumFrameAvailable++;
-    ATRACE_INT(mPendingBufferTrace.c_str(), mNumFrameAvailable + mNumAcquired);
+    ATRACE_INT(mQueuedBufferTrace.c_str(),
+               mNumFrameAvailable + mNumAcquired - mPendingRelease.size());
 
     BQA_LOGV("onFrameAvailable framenumber=%" PRIu64 " nextTransactionSet=%s", item.mFrameNumber,
              toString(nextTransactionSet));
@@ -641,14 +660,6 @@ public:
     status_t setFrameTimelineInfo(const FrameTimelineInfo& frameTimelineInfo) override {
         return mBbq->setFrameTimelineInfo(frameTimelineInfo);
     }
- protected:
-    uint32_t getTransformHint() const override {
-        if (mStickyTransform == 0 && !transformToDisplayInverse()) {
-            return mBbq->getLastTransformHint();
-        } else {
-            return 0;
-        }
-    }
 };
 
 // TODO: Can we coalesce this with frame updates? Need to confirm
diff --git a/libs/gui/ITransactionCompletedListener.cpp b/libs/gui/ITransactionCompletedListener.cpp
index 17499ecd50..98e8b548bd 100644
--- a/libs/gui/ITransactionCompletedListener.cpp
+++ b/libs/gui/ITransactionCompletedListener.cpp
@@ -125,7 +125,7 @@ status_t SurfaceStats::writeToParcel(Parcel* output) const {
     for (const auto& data : jankData) {
         SAFE_PARCEL(output->writeParcelable, data);
     }
-    SAFE_PARCEL(output->writeUint64, previousBufferId);
+    SAFE_PARCEL(output->writeParcelable, previousReleaseCallbackId);
     return NO_ERROR;
 }
 
@@ -149,7 +149,7 @@ status_t SurfaceStats::readFromParcel(const Parcel* input) {
         SAFE_PARCEL(input->readParcelable, &data);
         jankData.push_back(data);
     }
-    SAFE_PARCEL(input->readUint64, &previousBufferId);
+    SAFE_PARCEL(input->readParcelable, &previousReleaseCallbackId);
     return NO_ERROR;
 }
 
@@ -253,11 +253,11 @@ public:
                                                                   stats);
     }
 
-    void onReleaseBuffer(uint64_t graphicBufferId, sp<Fence> releaseFence, uint32_t transformHint,
-                         uint32_t currentMaxAcquiredBufferCount) override {
+    void onReleaseBuffer(ReleaseCallbackId callbackId, sp<Fence> releaseFence,
+                         uint32_t transformHint, uint32_t currentMaxAcquiredBufferCount) override {
         callRemoteAsync<decltype(
                 &ITransactionCompletedListener::onReleaseBuffer)>(Tag::ON_RELEASE_BUFFER,
-                                                                  graphicBufferId, releaseFence,
+                                                                  callbackId, releaseFence,
                                                                   transformHint,
                                                                   currentMaxAcquiredBufferCount);
     }
@@ -308,4 +308,18 @@ status_t CallbackId::readFromParcel(const Parcel* input) {
     return NO_ERROR;
 }
 
+status_t ReleaseCallbackId::writeToParcel(Parcel* output) const {
+    SAFE_PARCEL(output->writeUint64, bufferId);
+    SAFE_PARCEL(output->writeUint64, framenumber);
+    return NO_ERROR;
+}
+
+status_t ReleaseCallbackId::readFromParcel(const Parcel* input) {
+    SAFE_PARCEL(input->readUint64, &bufferId);
+    SAFE_PARCEL(input->readUint64, &framenumber);
+    return NO_ERROR;
+}
+
+const ReleaseCallbackId ReleaseCallbackId::INVALID_ID = ReleaseCallbackId(0, 0);
+
 }; // namespace android
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index e65c721ae1..076c90dd23 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -64,6 +64,7 @@ layer_state_t::layer_state_t()
         fixedTransformHint(ui::Transform::ROT_INVALID),
         frameNumber(0),
         autoRefresh(false),
+        isTrustedOverlay(false),
         bufferCrop(Rect::INVALID_RECT),
         destinationFrame(Rect::INVALID_RECT),
         releaseBufferListener(nullptr) {
@@ -170,6 +171,7 @@ status_t layer_state_t::write(Parcel& output) const
     SAFE_PARCEL(output.write, stretchEffect);
     SAFE_PARCEL(output.write, bufferCrop);
     SAFE_PARCEL(output.write, destinationFrame);
+    SAFE_PARCEL(output.writeBool, isTrustedOverlay);
 
     return NO_ERROR;
 }
@@ -300,6 +302,7 @@ status_t layer_state_t::read(const Parcel& input)
     SAFE_PARCEL(input.read, stretchEffect);
     SAFE_PARCEL(input.read, bufferCrop);
     SAFE_PARCEL(input.read, destinationFrame);
+    SAFE_PARCEL(input.readBool, &isTrustedOverlay);
 
     return NO_ERROR;
 }
@@ -532,6 +535,10 @@ void layer_state_t::merge(const layer_state_t& other) {
         what |= eAutoRefreshChanged;
         autoRefresh = other.autoRefresh;
     }
+    if (other.what & eTrustedOverlayChanged) {
+        what |= eTrustedOverlayChanged;
+        isTrustedOverlay = other.isTrustedOverlay;
+    }
     if (other.what & eReleaseBufferListenerChanged) {
         if (releaseBufferListener) {
             ALOGW("Overriding releaseBufferListener");
@@ -562,6 +569,10 @@ bool layer_state_t::hasBufferChanges() const {
     return (what & layer_state_t::eBufferChanged) || (what & layer_state_t::eCachedBufferChanged);
 }
 
+bool layer_state_t::hasValidBuffer() const {
+    return buffer || cachedBuffer.isValid();
+}
+
 status_t layer_state_t::matrix22_t::write(Parcel& output) const {
     SAFE_PARCEL(output.writeFloat, dsdx);
     SAFE_PARCEL(output.writeFloat, dtdx);
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 821ec16eb1..2edb4e4ba4 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -70,6 +70,7 @@ Surface::Surface(const sp<IGraphicBufferProducer>& bufferProducer, bool controll
         mGenerationNumber(0),
         mSharedBufferMode(false),
         mAutoRefresh(false),
+        mAutoPrerotation(false),
         mSharedBufferSlot(BufferItem::INVALID_BUFFER_SLOT),
         mSharedBufferHasBeenQueued(false),
         mQueriedSupportedTimestamps(false),
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index c69435d328..96da8efd19 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -182,12 +182,12 @@ CallbackId TransactionCompletedListener::addCallbackFunction(
 
 void TransactionCompletedListener::addJankListener(const sp<JankDataListener>& listener,
                                                    sp<SurfaceControl> surfaceControl) {
-    std::scoped_lock<std::recursive_mutex> lock(mJankListenerMutex);
+    std::lock_guard<std::mutex> lock(mMutex);
     mJankListeners.insert({surfaceControl->getHandle(), listener});
 }
 
 void TransactionCompletedListener::removeJankListener(const sp<JankDataListener>& listener) {
-    std::scoped_lock<std::recursive_mutex> lock(mJankListenerMutex);
+    std::lock_guard<std::mutex> lock(mMutex);
     for (auto it = mJankListeners.begin(); it != mJankListeners.end();) {
         if (it->second == listener) {
             it = mJankListeners.erase(it);
@@ -197,15 +197,16 @@ void TransactionCompletedListener::removeJankListener(const sp<JankDataListener>
     }
 }
 
-void TransactionCompletedListener::setReleaseBufferCallback(uint64_t graphicBufferId,
+void TransactionCompletedListener::setReleaseBufferCallback(const ReleaseCallbackId& callbackId,
                                                             ReleaseBufferCallback listener) {
     std::scoped_lock<std::mutex> lock(mMutex);
-    mReleaseBufferCallbacks[graphicBufferId] = listener;
+    mReleaseBufferCallbacks[callbackId] = listener;
 }
 
-void TransactionCompletedListener::removeReleaseBufferCallback(uint64_t graphicBufferId) {
+void TransactionCompletedListener::removeReleaseBufferCallback(
+        const ReleaseCallbackId& callbackId) {
     std::scoped_lock<std::mutex> lock(mMutex);
-    mReleaseBufferCallbacks.erase(graphicBufferId);
+    mReleaseBufferCallbacks.erase(callbackId);
 }
 
 void TransactionCompletedListener::addSurfaceStatsListener(void* context, void* cookie,
@@ -242,6 +243,7 @@ void TransactionCompletedListener::addSurfaceControlToCallbacks(
 
 void TransactionCompletedListener::onTransactionCompleted(ListenerStats listenerStats) {
     std::unordered_map<CallbackId, CallbackTranslation, CallbackIdHash> callbacksMap;
+    std::multimap<sp<IBinder>, sp<JankDataListener>> jankListenersMap;
     {
         std::lock_guard<std::mutex> lock(mMutex);
 
@@ -257,6 +259,7 @@ void TransactionCompletedListener::onTransactionCompleted(ListenerStats listener
          * sp<SurfaceControl> that could possibly exist for the callbacks.
          */
         callbacksMap = mCallbacks;
+        jankListenersMap = mJankListeners;
         for (const auto& transactionStats : listenerStats.transactionStats) {
             for (auto& callbackId : transactionStats.callbackIds) {
                 mCallbacks.erase(callbackId);
@@ -317,14 +320,15 @@ void TransactionCompletedListener::onTransactionCompleted(ListenerStats listener
                 // and call them. This is a performance optimization when we have a transaction
                 // callback and a release buffer callback happening at the same time to avoid an
                 // additional ipc call from the server.
-                if (surfaceStats.previousBufferId) {
+                if (surfaceStats.previousReleaseCallbackId != ReleaseCallbackId::INVALID_ID) {
                     ReleaseBufferCallback callback;
                     {
                         std::scoped_lock<std::mutex> lock(mMutex);
-                        callback = popReleaseBufferCallbackLocked(surfaceStats.previousBufferId);
+                        callback = popReleaseBufferCallbackLocked(
+                                surfaceStats.previousReleaseCallbackId);
                     }
                     if (callback) {
-                        callback(surfaceStats.previousBufferId,
+                        callback(surfaceStats.previousReleaseCallbackId,
                                  surfaceStats.previousReleaseFence
                                          ? surfaceStats.previousReleaseFence
                                          : Fence::NO_FENCE,
@@ -352,12 +356,7 @@ void TransactionCompletedListener::onTransactionCompleted(ListenerStats listener
             }
 
             if (surfaceStats.jankData.empty()) continue;
-
-            // Acquire jank listener lock such that we guarantee that after calling unregister,
-            // there won't be any further callback.
-            std::scoped_lock<std::recursive_mutex> lock(mJankListenerMutex);
-            auto copy = mJankListeners;
-            auto jankRange = copy.equal_range(surfaceStats.surfaceControl);
+            auto jankRange = jankListenersMap.equal_range(surfaceStats.surfaceControl);
             for (auto it = jankRange.first; it != jankRange.second; it++) {
                 it->second->onJankDataAvailable(surfaceStats.jankData);
             }
@@ -365,25 +364,26 @@ void TransactionCompletedListener::onTransactionCompleted(ListenerStats listener
     }
 }
 
-void TransactionCompletedListener::onReleaseBuffer(uint64_t graphicBufferId, sp<Fence> releaseFence,
-                                                   uint32_t transformHint,
+void TransactionCompletedListener::onReleaseBuffer(ReleaseCallbackId callbackId,
+                                                   sp<Fence> releaseFence, uint32_t transformHint,
                                                    uint32_t currentMaxAcquiredBufferCount) {
     ReleaseBufferCallback callback;
     {
         std::scoped_lock<std::mutex> lock(mMutex);
-        callback = popReleaseBufferCallbackLocked(graphicBufferId);
+        callback = popReleaseBufferCallbackLocked(callbackId);
     }
     if (!callback) {
-        ALOGE("Could not call release buffer callback, buffer not found %" PRIu64, graphicBufferId);
+        ALOGE("Could not call release buffer callback, buffer not found %s",
+              callbackId.to_string().c_str());
         return;
     }
-    callback(graphicBufferId, releaseFence, transformHint, currentMaxAcquiredBufferCount);
+    callback(callbackId, releaseFence, transformHint, currentMaxAcquiredBufferCount);
 }
 
 ReleaseBufferCallback TransactionCompletedListener::popReleaseBufferCallbackLocked(
-        uint64_t graphicBufferId) {
+        const ReleaseCallbackId& callbackId) {
     ReleaseBufferCallback callback;
-    auto itr = mReleaseBufferCallbacks.find(graphicBufferId);
+    auto itr = mReleaseBufferCallbacks.find(callbackId);
     if (itr == mReleaseBufferCallbacks.end()) {
         return nullptr;
     }
@@ -1261,7 +1261,7 @@ SurfaceComposerClient::Transaction::setTransformToDisplayInverse(const sp<Surfac
 }
 
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBuffer(
-        const sp<SurfaceControl>& sc, const sp<GraphicBuffer>& buffer,
+        const sp<SurfaceControl>& sc, const sp<GraphicBuffer>& buffer, const ReleaseCallbackId& id,
         ReleaseBufferCallback callback) {
     layer_state_t* s = getLayerState(sc);
     if (!s) {
@@ -1274,7 +1274,7 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBuffe
     if (mIsAutoTimestamp) {
         mDesiredPresentTime = systemTime();
     }
-    setReleaseBufferCallback(s, callback);
+    setReleaseBufferCallback(s, id, callback);
 
     registerSurfaceControlForCallback(sc);
 
@@ -1289,10 +1289,13 @@ void SurfaceComposerClient::Transaction::removeReleaseBufferCallback(layer_state
 
     s->what &= ~static_cast<uint64_t>(layer_state_t::eReleaseBufferListenerChanged);
     s->releaseBufferListener = nullptr;
-    TransactionCompletedListener::getInstance()->removeReleaseBufferCallback(s->buffer->getId());
+    auto listener = TransactionCompletedListener::getInstance();
+    listener->removeReleaseBufferCallback(s->releaseCallbackId);
+    s->releaseCallbackId = ReleaseCallbackId::INVALID_ID;
 }
 
 void SurfaceComposerClient::Transaction::setReleaseBufferCallback(layer_state_t* s,
+                                                                  const ReleaseCallbackId& id,
                                                                   ReleaseBufferCallback callback) {
     if (!callback) {
         return;
@@ -1306,8 +1309,9 @@ void SurfaceComposerClient::Transaction::setReleaseBufferCallback(layer_state_t*
 
     s->what |= layer_state_t::eReleaseBufferListenerChanged;
     s->releaseBufferListener = TransactionCompletedListener::getIInstance();
+    s->releaseCallbackId = id;
     auto listener = TransactionCompletedListener::getInstance();
-    listener->setReleaseBufferCallback(s->buffer->getId(), callback);
+    listener->setReleaseBufferCallback(id, callback);
 }
 
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setAcquireFence(
@@ -1652,6 +1656,19 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setAutoR
     return *this;
 }
 
+SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setTrustedOverlay(
+        const sp<SurfaceControl>& sc, bool isTrustedOverlay) {
+    layer_state_t* s = getLayerState(sc);
+    if (!s) {
+        mStatus = BAD_INDEX;
+        return *this;
+    }
+
+    s->what |= layer_state_t::eTrustedOverlayChanged;
+    s->isTrustedOverlay = isTrustedOverlay;
+    return *this;
+}
+
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setApplyToken(
         const sp<IBinder>& applyToken) {
     mApplyToken = applyToken;
diff --git a/libs/gui/bufferqueue/1.0/Conversion.cpp b/libs/gui/bufferqueue/1.0/Conversion.cpp
index 3e20a37d54..55462c3b1f 100644
--- a/libs/gui/bufferqueue/1.0/Conversion.cpp
+++ b/libs/gui/bufferqueue/1.0/Conversion.cpp
@@ -1187,14 +1187,15 @@ bool convertTo(::android::Region* l, Region const& t) {
  */
 constexpr size_t minFlattenedSize(
         HGraphicBufferProducer::QueueBufferInput const& /* t */) {
-    return sizeof(int64_t) + // timestamp
-            sizeof(int) + // isAutoTimestamp
+    return sizeof(int64_t) +            // timestamp
+            sizeof(int) +               // isAutoTimestamp
             sizeof(android_dataspace) + // dataSpace
-            sizeof(::android::Rect) + // crop
-            sizeof(int) + // scalingMode
-            sizeof(uint32_t) + // transform
-            sizeof(uint32_t) + // stickyTransform
-            sizeof(bool); // getFrameTimestamps
+            sizeof(::android::Rect) +   // crop
+            sizeof(int) +               // scalingMode
+            sizeof(uint32_t) +          // transform
+            sizeof(uint32_t) +          // stickyTransform
+            sizeof(bool) +              // getFrameTimestamps
+            sizeof(int);                // slot
 }
 
 /**
@@ -1267,6 +1268,7 @@ status_t flatten(HGraphicBufferProducer::QueueBufferInput const& t,
         return status;
     }
     FlattenableUtils::write(buffer, size, decltype(HdrMetadata::validTypes)(0));
+    FlattenableUtils::write(buffer, size, -1 /*slot*/);
     return NO_ERROR;
 }
 
@@ -1319,7 +1321,7 @@ status_t unflatten(
     if (status != NO_ERROR) {
         return status;
     }
-    // HdrMetadata ignored
+    // HdrMetadata and slot ignored
     return unflatten(&(t->surfaceDamage), buffer, size);
 }
 
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index cb0e65e409..ea9b1c68af 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -89,14 +89,15 @@ public:
 
     void transactionCallback(nsecs_t latchTime, const sp<Fence>& presentFence,
             const std::vector<SurfaceControlStats>& stats);
-    void releaseBufferCallback(uint64_t graphicBufferId, const sp<Fence>& releaseFence,
+    void releaseBufferCallback(const ReleaseCallbackId& id, const sp<Fence>& releaseFence,
                                uint32_t transformHint, uint32_t currentMaxAcquiredBufferCount);
     void setNextTransaction(SurfaceComposerClient::Transaction *t);
     void mergeWithNextTransaction(SurfaceComposerClient::Transaction* t, uint64_t frameNumber);
     void setTransactionCompleteCallback(uint64_t frameNumber,
                                         std::function<void(int64_t)>&& transactionCompleteCallback);
 
-    void update(const sp<SurfaceControl>& surface, uint32_t width, uint32_t height, int32_t format);
+    void update(const sp<SurfaceControl>& surface, uint32_t width, uint32_t height, int32_t format,
+                SurfaceComposerClient::Transaction* outTransaction = nullptr);
     void flushShadowQueue() {}
 
     status_t setFrameRate(float frameRate, int8_t compatibility, bool shouldBeSeamless);
@@ -125,7 +126,11 @@ private:
     static PixelFormat convertBufferFormat(PixelFormat& format);
 
     std::string mName;
-    std::string mPendingBufferTrace;
+    // Represents the queued buffer count from buffer queue,
+    // pre-BLAST. This is mNumFrameAvailable (buffers that queued to blast) +
+    // mNumAcquired (buffers that queued to SF)  mPendingRelease.size() (buffers that are held by
+    // blast). This counter is read by android studio profiler.
+    std::string mQueuedBufferTrace;
     sp<SurfaceControl> mSurfaceControl;
 
     std::mutex mMutex;
@@ -140,13 +145,14 @@ private:
 
     // Keep a reference to the submitted buffers so we can release when surfaceflinger drops the
     // buffer or the buffer has been presented and a new buffer is ready to be presented.
-    std::unordered_map<uint64_t /* bufferId */, BufferItem> mSubmitted GUARDED_BY(mMutex);
+    std::unordered_map<ReleaseCallbackId, BufferItem, ReleaseBufferCallbackIdHash> mSubmitted
+            GUARDED_BY(mMutex);
 
     // Keep a queue of the released buffers instead of immediately releasing
     // the buffers back to the buffer queue. This would be controlled by SF
     // setting the max acquired buffer count.
     struct ReleasedBuffer {
-        uint64_t bufferId;
+        ReleaseCallbackId callbackId;
         sp<Fence> releaseFence;
     };
     std::deque<ReleasedBuffer> mPendingRelease GUARDED_BY(mMutex);
diff --git a/libs/gui/include/gui/ITransactionCompletedListener.h b/libs/gui/include/gui/ITransactionCompletedListener.h
index d286c34ec8..937095c543 100644
--- a/libs/gui/include/gui/ITransactionCompletedListener.h
+++ b/libs/gui/include/gui/ITransactionCompletedListener.h
@@ -53,6 +53,36 @@ struct CallbackIdHash {
     std::size_t operator()(const CallbackId& key) const { return std::hash<int64_t>()(key.id); }
 };
 
+class ReleaseCallbackId : public Parcelable {
+public:
+    static const ReleaseCallbackId INVALID_ID;
+
+    uint64_t bufferId;
+    uint64_t framenumber;
+    ReleaseCallbackId() {}
+    ReleaseCallbackId(uint64_t bufferId, uint64_t framenumber)
+          : bufferId(bufferId), framenumber(framenumber) {}
+    status_t writeToParcel(Parcel* output) const override;
+    status_t readFromParcel(const Parcel* input) override;
+
+    bool operator==(const ReleaseCallbackId& rhs) const {
+        return bufferId == rhs.bufferId && framenumber == rhs.framenumber;
+    }
+    bool operator!=(const ReleaseCallbackId& rhs) const { return !operator==(rhs); }
+    std::string to_string() const {
+        if (*this == INVALID_ID) return "INVALID_ID";
+
+        return "bufferId:" + std::to_string(bufferId) +
+                " framenumber:" + std::to_string(framenumber);
+    }
+};
+
+struct ReleaseBufferCallbackIdHash {
+    std::size_t operator()(const ReleaseCallbackId& key) const {
+        return std::hash<uint64_t>()(key.bufferId);
+    }
+};
+
 class FrameEventHistoryStats : public Parcelable {
 public:
     status_t writeToParcel(Parcel* output) const override;
@@ -103,7 +133,7 @@ public:
     SurfaceStats(const sp<IBinder>& sc, nsecs_t time, const sp<Fence>& prevReleaseFence,
                  uint32_t hint, uint32_t currentMaxAcquiredBuffersCount,
                  FrameEventHistoryStats frameEventStats, std::vector<JankData> jankData,
-                 uint64_t previousBufferId)
+                 ReleaseCallbackId previousReleaseCallbackId)
           : surfaceControl(sc),
             acquireTime(time),
             previousReleaseFence(prevReleaseFence),
@@ -111,7 +141,7 @@ public:
             currentMaxAcquiredBufferCount(currentMaxAcquiredBuffersCount),
             eventStats(frameEventStats),
             jankData(std::move(jankData)),
-            previousBufferId(previousBufferId) {}
+            previousReleaseCallbackId(previousReleaseCallbackId) {}
 
     sp<IBinder> surfaceControl;
     nsecs_t acquireTime = -1;
@@ -120,7 +150,7 @@ public:
     uint32_t currentMaxAcquiredBufferCount = 0;
     FrameEventHistoryStats eventStats;
     std::vector<JankData> jankData;
-    uint64_t previousBufferId;
+    ReleaseCallbackId previousReleaseCallbackId;
 };
 
 class TransactionStats : public Parcelable {
@@ -161,7 +191,7 @@ public:
 
     virtual void onTransactionCompleted(ListenerStats stats) = 0;
 
-    virtual void onReleaseBuffer(uint64_t graphicBufferId, sp<Fence> releaseFence,
+    virtual void onReleaseBuffer(ReleaseCallbackId callbackId, sp<Fence> releaseFence,
                                  uint32_t transformHint,
                                  uint32_t currentMaxAcquiredBufferCount) = 0;
 };
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 16430b324d..3e57ff611e 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -118,6 +118,7 @@ struct layer_state_t {
         eBlurRegionsChanged = 0x800'00000000,
         eAutoRefreshChanged = 0x1000'00000000,
         eStretchChanged = 0x2000'00000000,
+        eTrustedOverlayChanged = 0x4000'00000000,
     };
 
     layer_state_t();
@@ -126,6 +127,7 @@ struct layer_state_t {
     status_t write(Parcel& output) const;
     status_t read(const Parcel& input);
     bool hasBufferChanges() const;
+    bool hasValidBuffer() const;
 
     struct matrix22_t {
         float dsdx{0};
@@ -224,6 +226,10 @@ struct layer_state_t {
     // in shared buffer mode.
     bool autoRefresh;
 
+    // An inherited state that indicates that this surface control and its children
+    // should be trusted for input occlusion detection purposes
+    bool isTrustedOverlay;
+
     // Stretch effect to be applied to this layer
     StretchEffect stretchEffect;
 
@@ -234,6 +240,12 @@ struct layer_state_t {
     // layers only. The callback includes a release fence as well as the graphic
     // buffer id to identify the buffer.
     sp<ITransactionCompletedListener> releaseBufferListener;
+
+    // Keeps track of the release callback id associated with the listener. This
+    // is not sent to the server since the id can be reconstructed there. This
+    // is used to remove the old callback from the client process map if it is
+    // overwritten by another setBuffer call.
+    ReleaseCallbackId releaseCallbackId;
 };
 
 struct ComposerState {
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index fa91bfa010..baa0567617 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -82,7 +82,7 @@ using TransactionCompletedCallback =
         std::function<void(nsecs_t /*latchTime*/, const sp<Fence>& /*presentFence*/,
                            const std::vector<SurfaceControlStats>& /*stats*/)>;
 using ReleaseBufferCallback =
-        std::function<void(uint64_t /* graphicsBufferId */, const sp<Fence>& /*releaseFence*/,
+        std::function<void(const ReleaseCallbackId&, const sp<Fence>& /*releaseFence*/,
                            uint32_t transformHint, uint32_t currentMaxAcquiredBufferCount)>;
 
 using SurfaceStatsCallback =
@@ -397,8 +397,9 @@ public:
 
         void cacheBuffers();
         void registerSurfaceControlForCallback(const sp<SurfaceControl>& sc);
-        void setReleaseBufferCallback(layer_state_t* state, ReleaseBufferCallback callback);
-        void removeReleaseBufferCallback(layer_state_t* state);
+        void setReleaseBufferCallback(layer_state_t*, const ReleaseCallbackId&,
+                                      ReleaseBufferCallback);
+        void removeReleaseBufferCallback(layer_state_t*);
 
     public:
         Transaction();
@@ -470,6 +471,7 @@ public:
         Transaction& setTransformToDisplayInverse(const sp<SurfaceControl>& sc,
                                                   bool transformToDisplayInverse);
         Transaction& setBuffer(const sp<SurfaceControl>& sc, const sp<GraphicBuffer>& buffer,
+                               const ReleaseCallbackId& id = ReleaseCallbackId::INVALID_ID,
                                ReleaseBufferCallback callback = nullptr);
         Transaction& setCachedBuffer(const sp<SurfaceControl>& sc, int32_t bufferId);
         Transaction& setAcquireFence(const sp<SurfaceControl>& sc, const sp<Fence>& fence);
@@ -535,6 +537,9 @@ public:
         // in shared buffer mode.
         Transaction& setAutoRefresh(const sp<SurfaceControl>& sc, bool autoRefresh);
 
+        // Sets that this surface control and its children are trusted overlays for input
+        Transaction& setTrustedOverlay(const sp<SurfaceControl>& sc, bool isTrustedOverlay);
+
         // Queues up transactions using this token in SurfaceFlinger.  By default, all transactions
         // from a client are placed on the same queue. This can be used to prevent multiple
         // transactions from blocking each other.
@@ -653,9 +658,6 @@ class TransactionCompletedListener : public BnTransactionCompletedListener {
     std::mutex mMutex;
 
     // This lock needs to be recursive so we can unregister a callback from within that callback.
-    std::recursive_mutex mJankListenerMutex;
-
-    // This lock needs to be recursive so we can unregister a callback from within that callback.
     std::recursive_mutex mSurfaceStatsListenerMutex;
 
     bool mListening GUARDED_BY(mMutex) = false;
@@ -680,11 +682,8 @@ class TransactionCompletedListener : public BnTransactionCompletedListener {
 
     std::unordered_map<CallbackId, CallbackTranslation, CallbackIdHash> mCallbacks
             GUARDED_BY(mMutex);
-
-    // This is protected by mJankListenerMutex, but GUARDED_BY isn't supported for
-    // std::recursive_mutex
-    std::multimap<sp<IBinder>, sp<JankDataListener>> mJankListeners;
-    std::unordered_map<uint64_t /* graphicsBufferId */, ReleaseBufferCallback>
+    std::multimap<sp<IBinder>, sp<JankDataListener>> mJankListeners GUARDED_BY(mMutex);
+    std::unordered_map<ReleaseCallbackId, ReleaseBufferCallback, ReleaseBufferCallbackIdHash>
             mReleaseBufferCallbacks GUARDED_BY(mMutex);
 
     // This is protected by mSurfaceStatsListenerMutex, but GUARDED_BY isn't supported for
@@ -723,16 +722,16 @@ public:
                 SurfaceStatsCallback listener);
     void removeSurfaceStatsListener(void* context, void* cookie);
 
-    void setReleaseBufferCallback(uint64_t /* graphicsBufferId */, ReleaseBufferCallback);
-    void removeReleaseBufferCallback(uint64_t /* graphicsBufferId */);
+    void setReleaseBufferCallback(const ReleaseCallbackId&, ReleaseBufferCallback);
+    void removeReleaseBufferCallback(const ReleaseCallbackId&);
 
     // BnTransactionCompletedListener overrides
     void onTransactionCompleted(ListenerStats stats) override;
-    void onReleaseBuffer(uint64_t /* graphicsBufferId */, sp<Fence> releaseFence,
-                         uint32_t transformHint, uint32_t currentMaxAcquiredBufferCount) override;
+    void onReleaseBuffer(ReleaseCallbackId, sp<Fence> releaseFence, uint32_t transformHint,
+                         uint32_t currentMaxAcquiredBufferCount) override;
 
 private:
-    ReleaseBufferCallback popReleaseBufferCallbackLocked(uint64_t /* graphicsBufferId */);
+    ReleaseBufferCallback popReleaseBufferCallbackLocked(const ReleaseCallbackId&);
 };
 
 } // namespace android
diff --git a/libs/gui/tests/BLASTBufferQueue_test.cpp b/libs/gui/tests/BLASTBufferQueue_test.cpp
index 6ff67aa7cb..9082d275a2 100644
--- a/libs/gui/tests/BLASTBufferQueue_test.cpp
+++ b/libs/gui/tests/BLASTBufferQueue_test.cpp
@@ -71,6 +71,10 @@ public:
         return mBlastBufferQueueAdapter->mSurfaceControl;
     }
 
+    sp<Surface> getSurface() {
+        return mBlastBufferQueueAdapter->getSurface(false /* includeSurfaceControlHandle */);
+    }
+
     void waitForCallbacks() {
         std::unique_lock lock{mBlastBufferQueueAdapter->mMutex};
         // Wait until all but one of the submitted buffers have been released.
@@ -758,6 +762,48 @@ TEST_F(BLASTBufferQueueTest, OutOfOrderTransactionTest) {
                                {0, 0, (int32_t)mDisplayWidth, (int32_t)mDisplayHeight / 2}));
 }
 
+TEST_F(BLASTBufferQueueTest, TransformHint) {
+    // Transform hint is provided to BBQ via the surface control passed by WM
+    mSurfaceControl->setTransformHint(ui::Transform::ROT_90);
+
+    BLASTBufferQueueHelper adapter(mSurfaceControl, mDisplayWidth, mDisplayHeight);
+    sp<IGraphicBufferProducer> igbProducer = adapter.getIGraphicBufferProducer();
+    ASSERT_NE(nullptr, igbProducer.get());
+    ASSERT_EQ(NO_ERROR, igbProducer->setMaxDequeuedBufferCount(2));
+    sp<Surface> surface = adapter.getSurface();
+
+    // Before connecting to the surface, we do not get a valid transform hint
+    int transformHint;
+    surface->query(NATIVE_WINDOW_TRANSFORM_HINT, &transformHint);
+    ASSERT_EQ(ui::Transform::ROT_0, transformHint);
+
+    ASSERT_EQ(NO_ERROR,
+              surface->connect(NATIVE_WINDOW_API_CPU, new TestProducerListener(igbProducer)));
+
+    // After connecting to the surface, we should get the correct hint.
+    surface->query(NATIVE_WINDOW_TRANSFORM_HINT, &transformHint);
+    ASSERT_EQ(ui::Transform::ROT_90, transformHint);
+
+    ANativeWindow_Buffer buffer;
+    surface->lock(&buffer, nullptr /* inOutDirtyBounds */);
+
+    // Transform hint is updated via callbacks or surface control updates
+    mSurfaceControl->setTransformHint(ui::Transform::ROT_0);
+    adapter.update(mSurfaceControl, mDisplayWidth, mDisplayHeight);
+
+    // The hint does not change and matches the value used when dequeueing the buffer.
+    surface->query(NATIVE_WINDOW_TRANSFORM_HINT, &transformHint);
+    ASSERT_EQ(ui::Transform::ROT_90, transformHint);
+
+    surface->unlockAndPost();
+
+    // After queuing the buffer, we get the updated transform hint
+    surface->query(NATIVE_WINDOW_TRANSFORM_HINT, &transformHint);
+    ASSERT_EQ(ui::Transform::ROT_0, transformHint);
+
+    adapter.waitForCallbacks();
+}
+
 class BLASTBufferQueueTransformTest : public BLASTBufferQueueTest {
 public:
     void test(uint32_t tr) {
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 70ed438112..d954d23507 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -23,6 +23,7 @@
 #include <limits.h>
 #include <string.h>
 
+#include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <input/Input.h>
 #include <input/InputDevice.h>
@@ -41,6 +42,15 @@ namespace android {
 
 namespace {
 
+// When per-window-input-rotation is enabled, InputFlinger works in the un-rotated display
+// coordinates and SurfaceFlinger includes the display rotation in the input window transforms.
+bool isPerWindowInputRotationEnabled() {
+    static const bool PER_WINDOW_INPUT_ROTATION =
+            base::GetBoolProperty("persist.debug.per_window_input_rotation", false);
+
+    return PER_WINDOW_INPUT_ROTATION;
+}
+
 float transformAngle(const ui::Transform& transform, float angleRadians) {
     // Construct and transform a vector oriented at the specified clockwise angle from vertical.
     // Coordinate system: down is increasing Y, right is increasing X.
@@ -506,6 +516,8 @@ float MotionEvent::getHistoricalRawAxisValue(int32_t axis, size_t pointerIndex,
                                              size_t historicalIndex) const {
     const PointerCoords* coords = getHistoricalRawPointerCoords(pointerIndex, historicalIndex);
 
+    if (!isPerWindowInputRotationEnabled()) return coords->getAxisValue(axis);
+
     if (axis == AMOTION_EVENT_AXIS_X || axis == AMOTION_EVENT_AXIS_Y) {
         // For compatibility, convert raw coordinates into "oriented screen space". Once app
         // developers are educated about getRaw, we can consider removing this.
diff --git a/libs/input/android/os/IInputConstants.aidl b/libs/input/android/os/IInputConstants.aidl
index 3038d9daa5..474a1e410d 100644
--- a/libs/input/android/os/IInputConstants.aidl
+++ b/libs/input/android/os/IInputConstants.aidl
@@ -42,16 +42,15 @@ interface IInputConstants
     const int INVALID_INPUT_EVENT_ID = 0;
 
     /**
-     * The injected event was originally sent from InputDispatcher. Most likely, the journey of the
-     * event looked as follows:
-     * InputDispatcherPolicyInterface::filterInputEvent -> InputFilter.java::onInputEvent ->
-     * InputFilter.java::sendInputEvent -> InputDispatcher::injectInputEvent, without being modified
-     * along the way.
+     * The input event was injected from accessibility. Used in policyFlags for input event
+     * injection.
      */
-    const int POLICY_FLAG_INPUTFILTER_TRUSTED = 0x10000;
+    const int POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY = 0x20000;
 
     /**
-     * The input event was injected from accessibility
+     * The input event was generated or modified by accessibility service.
+     * Shared by both KeyEvent and MotionEvent flags, so this value should not overlap with either
+     * set of flags, including in input/Input.h and in android/input.h.
      */
-    const int POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY = 0x20000;
+    const int INPUT_EVENT_FLAG_IS_ACCESSIBILITY_EVENT = 0x800;
 }
diff --git a/libs/input/tests/InputEvent_test.cpp b/libs/input/tests/InputEvent_test.cpp
index 32b72ba616..3b76ddbb7c 100644
--- a/libs/input/tests/InputEvent_test.cpp
+++ b/libs/input/tests/InputEvent_test.cpp
@@ -17,6 +17,7 @@
 #include <array>
 #include <math.h>
 
+#include <android-base/properties.h>
 #include <attestation/HmacKeyManager.h>
 #include <binder/Parcel.h>
 #include <gtest/gtest.h>
@@ -225,13 +226,34 @@ protected:
     static constexpr float X_OFFSET = 1;
     static constexpr float Y_OFFSET = 1.1;
 
+    static const std::optional<bool> INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE;
+
     int32_t mId;
     ui::Transform mTransform;
 
+    void SetUp() override;
+    void TearDown() override;
+
     void initializeEventWithHistory(MotionEvent* event);
     void assertEqualsEventWithHistory(const MotionEvent* event);
 };
 
+const std::optional<bool> MotionEventTest::INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE =
+        !base::GetProperty("persist.debug.per_window_input_rotation", "").empty()
+        ? std::optional(base::GetBoolProperty("persist.debug.per_window_input_rotation", false))
+        : std::nullopt;
+
+void MotionEventTest::SetUp() {
+    // Ensure per_window_input_rotation is enabled.
+    base::SetProperty("persist.debug.per_window_input_rotation", "true");
+}
+
+void MotionEventTest::TearDown() {
+    const auto val = INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE.has_value()
+            ? (*INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE ? "true" : "false")
+            : "";
+    base::SetProperty("persist.debug.per_window_input_rotation", val);
+}
 
 void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
     mId = InputEvent::nextId();
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index b5dd8ac580..467f848237 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -1028,20 +1028,17 @@ bool GLESRenderEngine::supportsProtectedContent() const {
     return mProtectedEGLContext != EGL_NO_CONTEXT;
 }
 
-bool GLESRenderEngine::useProtectedContext(bool useProtectedContext) {
-    if (useProtectedContext == mInProtectedContext) {
-        return true;
-    }
-    if (useProtectedContext && mProtectedEGLContext == EGL_NO_CONTEXT) {
-        return false;
+void GLESRenderEngine::useProtectedContext(bool useProtectedContext) {
+    if (useProtectedContext == mInProtectedContext ||
+        (useProtectedContext && !supportsProtectedContent())) {
+        return;
     }
+
     const EGLSurface surface = useProtectedContext ? mProtectedStubSurface : mStubSurface;
     const EGLContext context = useProtectedContext ? mProtectedEGLContext : mEGLContext;
-    const bool success = eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE;
-    if (success) {
+    if (eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE) {
         mInProtectedContext = useProtectedContext;
     }
-    return success;
 }
 EGLImageKHR GLESRenderEngine::createFramebufferImageIfNeeded(ANativeWindowBuffer* nativeBuffer,
                                                              bool isProtected,
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 915dba364f..4cb1b4259b 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -62,7 +62,7 @@ public:
     void deleteTextures(size_t count, uint32_t const* names) override;
     bool isProtected() const override { return mInProtectedContext; }
     bool supportsProtectedContent() const override;
-    bool useProtectedContext(bool useProtectedContext) override;
+    void useProtectedContext(bool useProtectedContext) override;
     status_t drawLayers(const DisplaySettings& display,
                         const std::vector<const LayerSettings*>& layers,
                         const std::shared_ptr<ExternalTexture>& buffer,
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index ac0affb2ee..5964bc3927 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -127,7 +127,7 @@ public:
     virtual bool supportsProtectedContent() const = 0;
 
     // Attempt to switch RenderEngine into and out of protectedContext mode
-    virtual bool useProtectedContext(bool useProtectedContext) = 0;
+    virtual void useProtectedContext(bool useProtectedContext) = 0;
 
     // Notify RenderEngine of changes to the dimensions of the primary display
     // so that it can configure its internal caches accordingly.
diff --git a/libs/renderengine/include/renderengine/mock/RenderEngine.h b/libs/renderengine/include/renderengine/mock/RenderEngine.h
index 0175af3a85..a4aa9ea488 100644
--- a/libs/renderengine/include/renderengine/mock/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/mock/RenderEngine.h
@@ -44,7 +44,7 @@ public:
     MOCK_CONST_METHOD0(getMaxViewportDims, size_t());
     MOCK_CONST_METHOD0(isProtected, bool());
     MOCK_CONST_METHOD0(supportsProtectedContent, bool());
-    MOCK_METHOD1(useProtectedContext, bool(bool));
+    MOCK_METHOD1(useProtectedContext, void(bool));
     MOCK_METHOD0(cleanupPostRender, void());
     MOCK_CONST_METHOD0(canSkipPostRenderCleanup, bool());
     MOCK_METHOD6(drawLayers,
diff --git a/libs/renderengine/skia/Cache.cpp b/libs/renderengine/skia/Cache.cpp
index b3975b04c0..ae8f2384c4 100644
--- a/libs/renderengine/skia/Cache.cpp
+++ b/libs/renderengine/skia/Cache.cpp
@@ -41,6 +41,10 @@ const auto kScaleAsymmetric = mat4(0.8f, 0.f,  0.f, 0.f,
                                    0.f,  1.1f, 0.f, 0.f,
                                    0.f,  0.f,  1.f, 0.f,
                                    0.f,  0.f,  0.f, 1.f);
+const auto kFlip = mat4(1.1f, -0.1f,  0.f, 0.f,
+                        0.1f,  1.1f,  0.f, 0.f,
+                        0.f,    0.f,  1.f, 0.f,
+                        2.f,    2.f,  0.f, 1.f);
 // clang-format on
 // When setting layer.sourceDataspace, whether it matches the destination or not determines whether
 // a color correction effect is added to the shader.
@@ -52,40 +56,64 @@ static void drawShadowLayers(SkiaRenderEngine* renderengine, const DisplaySettin
                              const std::shared_ptr<ExternalTexture>& dstTexture) {
     // Somewhat arbitrary dimensions, but on screen and slightly shorter, based
     // on actual use.
-    FloatRect rect(0, 0, display.physicalDisplay.width(), display.physicalDisplay.height() - 30);
+    const Rect& displayRect = display.physicalDisplay;
+    FloatRect rect(0, 0, displayRect.width(), displayRect.height());
+    FloatRect smallerRect(20, 20, displayRect.width()-20, displayRect.height()-20);
+
     LayerSettings layer{
             .geometry =
                     Geometry{
                             .boundaries = rect,
                             .roundedCornersCrop = rect,
+                            .roundedCornersRadius = 50.f,
                     },
             // drawShadow ignores alpha
             .shadow =
                     ShadowSettings{
+                            .boundaries = rect,
                             .ambientColor = vec4(0, 0, 0, 0.00935997f),
                             .spotColor = vec4(0, 0, 0, 0.0455841f),
-                            .lightPos = vec3(370.508f, -1527.03f, 1650.f),
-                            .lightRadius = 2200.0f,
-                            .length = 0.955342f,
+                            .lightPos = vec3(500.f, -1500.f, 1500.f),
+                            .lightRadius = 2500.0f,
+                            .length = 15.f,
                     },
-            // important that this matches dest so the general shadow fragment shader doesn't
-            // have color correction added, and important that it be srgb, so the *vertex* shader
-            // doesn't have color correction added.
-            .sourceDataspace = kDestDataSpace,
+            // setting this is mandatory for shadows and blurs
+            .skipContentDraw = true,
+            .alpha = 1,
+    };
+    LayerSettings caster{
+            .geometry =
+                    Geometry{
+                            .boundaries = smallerRect,
+                            .roundedCornersCrop = rect,
+                            .roundedCornersRadius = 50.f,
+                    },
+            .source =
+                    PixelSource{
+                            .solidColor = half3(0.f, 0.f, 0.f),
+                    },
+            .alpha = 1,
     };
 
-    auto layers = std::vector<const LayerSettings*>{&layer};
-    // The identity matrix will generate the fast shader
-    renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache, base::unique_fd(),
-                             nullptr);
-    // This matrix, which has different scales for x and y, will
-    // generate the slower (more general case) version, which has variants for translucent
-    // casters and rounded rects.
-    layer.geometry.positionTransform = kScaleAsymmetric;
-    for (auto translucent : {false, true}) {
-        layer.shadow.casterIsTranslucent = translucent;
-        renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
-                                 base::unique_fd(), nullptr);
+    auto layers = std::vector<const LayerSettings*>{&layer, &caster};
+    // When sourceDataspace matches dest, the general shadow fragment shader doesn't
+    // have color correction added.
+    // independently, when it is not srgb, the *vertex* shader has color correction added.
+    // This may be a bug, but the shader still needs to be cached as it is triggered
+    // during youtube pip.
+    for (auto dataspace : {kDestDataSpace, kOtherDataSpace}) {
+        layer.sourceDataspace = dataspace;
+        // The 2nd matrix, which has different scales for x and y, will
+        // generate the slower (more general case) shadow shader
+        for (auto transform : {mat4(), kScaleAndTranslate, kFlip}) {
+            layer.geometry.positionTransform = transform;
+            caster.geometry.positionTransform = transform;
+            for (bool translucent : {false, true}){
+                layer.shadow.casterIsTranslucent = translucent;
+                renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
+                                        base::unique_fd(), nullptr);
+            }
+        }
     }
 }
 
@@ -97,6 +125,9 @@ static void drawImageLayers(SkiaRenderEngine* renderengine, const DisplaySetting
     LayerSettings layer{
             .geometry =
                     Geometry{
+                            // The position transform doesn't matter when the reduced shader mode
+                            // in in effect. A matrix transform stage is always included.
+                            .positionTransform = mat4(),
                             .boundaries = rect,
                             .roundedCornersCrop = rect,
                     },
@@ -107,29 +138,20 @@ static void drawImageLayers(SkiaRenderEngine* renderengine, const DisplaySetting
                                           }},
     };
 
-    auto threeCornerRadii = {0.0f, 0.05f, 50.f};
-    auto oneCornerRadius = {50.f};
-
-    // Test both drawRect and drawRRect
     auto layers = std::vector<const LayerSettings*>{&layer};
     for (auto dataspace : {kDestDataSpace, kOtherDataSpace}) {
         layer.sourceDataspace = dataspace;
-        for (bool identity : {true, false}) {
-            layer.geometry.positionTransform = identity ? mat4() : kScaleAndTranslate;
-            // Corner radii less than 0.5 creates a special shader. This likely occurs in real usage
-            // due to animating corner radius.
-            // For the non-idenity matrix, only the large corner radius will create a new shader.
-            for (float roundedCornersRadius : identity ? threeCornerRadii : oneCornerRadius) {
-                // roundedCornersCrop is always set, but it is this radius that triggers the
-                // behavior
-                layer.geometry.roundedCornersRadius = roundedCornersRadius;
-                for (bool isOpaque : {true, false}) {
-                    layer.source.buffer.isOpaque = isOpaque;
-                    for (auto alpha : {half(.23999f), half(1.0f)}) {
-                        layer.alpha = alpha;
-                        renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
-                                                 base::unique_fd(), nullptr);
-                    }
+        // Cache shaders for both rects and round rects.
+        // In reduced shader mode, all non-zero round rect radii get the same code path.
+        for (float roundedCornersRadius : {0.0f, 50.0f}) {
+            // roundedCornersCrop is always set, but the radius triggers the behavior
+            layer.geometry.roundedCornersRadius = roundedCornersRadius;
+            for (bool isOpaque : {true, false}) {
+                layer.source.buffer.isOpaque = isOpaque;
+                for (auto alpha : {half(.2f), half(1.0f)}) {
+                    layer.alpha = alpha;
+                    renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
+                                             base::unique_fd(), nullptr);
                 }
             }
         }
@@ -155,7 +177,7 @@ static void drawSolidLayers(SkiaRenderEngine* renderengine, const DisplaySetting
     auto layers = std::vector<const LayerSettings*>{&layer};
     for (auto transform : {mat4(), kScaleAndTranslate}) {
         layer.geometry.positionTransform = transform;
-        for (float roundedCornersRadius : {0.0f, 0.05f, 50.f}) {
+        for (float roundedCornersRadius : {0.0f, 50.f}) {
             layer.geometry.roundedCornersRadius = roundedCornersRadius;
             renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
                                      base::unique_fd(), nullptr);
@@ -173,9 +195,12 @@ static void drawBlurLayers(SkiaRenderEngine* renderengine, const DisplaySettings
                             .boundaries = rect,
                     },
             .alpha = 1,
+            // setting this is mandatory for shadows and blurs
+            .skipContentDraw = true,
     };
 
     auto layers = std::vector<const LayerSettings*>{&layer};
+    // Different blur code is invoked for radii less and greater than 30 pixels
     for (int radius : {9, 60}) {
         layer.backgroundBlurRadius = radius;
         renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
@@ -220,11 +245,9 @@ static void drawClippedLayers(SkiaRenderEngine* renderengine, const DisplaySetti
         layer.source = pixelSource;
         for (auto dataspace : {kDestDataSpace, kOtherDataSpace}) {
             layer.sourceDataspace = dataspace;
-            // Produce a CircularRRect clip and an EllipticalRRect clip
+            // Produce a CircularRRect clip and an EllipticalRRect clip.
             for (auto transform : {kScaleAndTranslate, kScaleAsymmetric}) {
                 layer.geometry.positionTransform = transform;
-                // In real use, I saw alpha of 1.0 and 0.999, probably a mistake, but cache both
-                // shaders.
                 for (float alpha : {0.5f, 1.f}) {
                     layer.alpha = alpha,
                     renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
@@ -235,6 +258,69 @@ static void drawClippedLayers(SkiaRenderEngine* renderengine, const DisplaySetti
     }
 }
 
+static void drawPIPImageLayer(SkiaRenderEngine* renderengine, const DisplaySettings& display,
+                            const std::shared_ptr<ExternalTexture>& dstTexture,
+                            const std::shared_ptr<ExternalTexture>& srcTexture) {
+    const Rect& displayRect = display.physicalDisplay;
+    FloatRect rect(0, 0, displayRect.width(), displayRect.height());
+    LayerSettings layer{
+            .geometry =
+                    Geometry{
+                            // Note that this flip matrix only makes a difference when clipping,
+                            // which happens in this layer because the roundrect crop is just a bit
+                            // larger than the layer bounds.
+                            .positionTransform = kFlip,
+                            .boundaries = rect,
+                            .roundedCornersRadius = 94.2551,
+                            .roundedCornersCrop = FloatRect(
+                                -93.75, 0, displayRect.width() + 93.75, displayRect.height()),
+                    },
+            .source = PixelSource{.buffer =
+                                          Buffer{
+                                                  .buffer = srcTexture,
+                                                  .maxLuminanceNits = 1000.f,
+                                                  .isOpaque = 0,
+                                                  .usePremultipliedAlpha = 1,
+                                          }},
+            .sourceDataspace = kOtherDataSpace,
+            .alpha = 1,
+
+    };
+
+    auto layers = std::vector<const LayerSettings*>{&layer};
+    renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
+                             base::unique_fd(), nullptr);
+}
+
+static void drawHolePunchLayer(SkiaRenderEngine* renderengine, const DisplaySettings& display,
+                            const std::shared_ptr<ExternalTexture>& dstTexture) {
+    const Rect& displayRect = display.physicalDisplay;
+    FloatRect rect(0, 0, displayRect.width(), displayRect.height());
+    FloatRect small(0, 0, displayRect.width()-20, displayRect.height()+20);
+    LayerSettings layer{
+            .geometry =
+                    Geometry{
+                            .positionTransform = kScaleAndTranslate,
+                            // the boundaries have to be smaller than the rounded crop so that
+                            // clipRRect is used instead of drawRRect
+                            .boundaries = small,
+                            .roundedCornersRadius = 50.f,
+                            .roundedCornersCrop = rect,
+                    },
+            .source = PixelSource{
+                            .solidColor = half3(0.f, 0.f, 0.f),
+                    },
+            .sourceDataspace = kDestDataSpace,
+            .alpha = 0,
+            .disableBlending = true,
+
+    };
+
+    auto layers = std::vector<const LayerSettings*>{&layer};
+    renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
+                            base::unique_fd(), nullptr);
+}
+
 //
 // The collection of shaders cached here were found by using perfetto to record shader compiles
 // during actions that involve RenderEngine, logging the layer settings, and the shader code
@@ -246,8 +332,6 @@ static void drawClippedLayers(SkiaRenderEngine* renderengine, const DisplaySetti
 //    kFlushAfterEveryLayer = true
 // in external/skia/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp
 //    gPrintSKSL = true
-//
-// TODO(b/184631553) cache the shader involved in youtube pip return.
 void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
     const int previousCount = renderengine->reportShadersCompiled();
     if (previousCount) {
@@ -267,6 +351,12 @@ void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
                 .maxLuminance = 500,
                 .outputDataspace = kDestDataSpace,
         };
+        DisplaySettings p3Display{
+                .physicalDisplay = displayRect,
+                .clip = displayRect,
+                .maxLuminance = 500,
+                .outputDataspace = kOtherDataSpace,
+        };
 
         const int64_t usage = GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
 
@@ -289,32 +379,47 @@ void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
                 std::make_shared<ExternalTexture>(srcBuffer, *renderengine,
                                                   ExternalTexture::Usage::READABLE |
                                                           ExternalTexture::Usage::WRITEABLE);
-
+        drawHolePunchLayer(renderengine, display, dstTexture);
         drawSolidLayers(renderengine, display, dstTexture);
         drawShadowLayers(renderengine, display, srcTexture);
+        drawShadowLayers(renderengine, p3Display, srcTexture);
 
         if (renderengine->supportsBackgroundBlur()) {
             drawBlurLayers(renderengine, display, dstTexture);
         }
 
-        // The majority of shaders are related to sampling images.
-        drawImageLayers(renderengine, display, dstTexture, srcTexture);
-
         // should be the same as AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
         const int64_t usageExternal = GRALLOC_USAGE_HW_TEXTURE;
-
         sp<GraphicBuffer> externalBuffer =
                 new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
                                   1, usageExternal, "primeShaderCache_external");
         const auto externalTexture =
                 std::make_shared<ExternalTexture>(externalBuffer, *renderengine,
                                                   ExternalTexture::Usage::READABLE);
-        // TODO(b/184665179) doubles number of image shader compilations, but only somewhere
-        // between 6 and 8 will occur in real uses.
-        drawImageLayers(renderengine, display, dstTexture, externalTexture);
 
-        // Draw layers for b/185569240.
-        drawClippedLayers(renderengine, display, dstTexture, externalTexture);
+        // Another external texture with a different pixel format triggers useIsOpaqueWorkaround
+        sp<GraphicBuffer> f16ExternalBuffer =
+                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_FP16,
+                                  1, usageExternal, "primeShaderCache_external_f16");
+        const auto f16ExternalTexture =
+                std::make_shared<ExternalTexture>(f16ExternalBuffer, *renderengine,
+                                                  ExternalTexture::Usage::READABLE);
+
+        // The majority of shaders are related to sampling images.
+        // These need to be generated with various source textures
+        // The F16 texture may not be usable on all devices, so check first that it was created with
+        // the requested usage bit.
+        auto textures = {srcTexture, externalTexture};
+        auto texturesWithF16 = {srcTexture, externalTexture, f16ExternalTexture};
+        bool canUsef16 = f16ExternalBuffer->getUsage() & GRALLOC_USAGE_HW_TEXTURE;
+
+        for (auto texture : canUsef16 ? texturesWithF16 : textures) {
+            drawImageLayers(renderengine, display, dstTexture, texture);
+            // Draw layers for b/185569240.
+            drawClippedLayers(renderengine, display, dstTexture, texture);
+        }
+
+        drawPIPImageLayer(renderengine, display, dstTexture, externalTexture);
 
         const nsecs_t timeAfter = systemTime();
         const float compileTimeMs = static_cast<float>(timeAfter - timeBefore) / 1.0E6;
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index cb80ef4ada..3c59f11395 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -320,7 +320,8 @@ SkiaGLRenderEngine::SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGL
     options.fReducedShaderVariations = true;
     options.fPersistentCache = &mSkSLCacheMonitor;
     mGrContext = GrDirectContext::MakeGL(glInterface, options);
-    if (useProtectedContext(true)) {
+    if (supportsProtectedContent()) {
+        useProtectedContext(true);
         mProtectedGrContext = GrDirectContext::MakeGL(glInterface, options);
         useProtectedContext(false);
     }
@@ -373,12 +374,10 @@ GrDirectContext* SkiaGLRenderEngine::getActiveGrContext() const {
     return mInProtectedContext ? mProtectedGrContext.get() : mGrContext.get();
 }
 
-bool SkiaGLRenderEngine::useProtectedContext(bool useProtectedContext) {
-    if (useProtectedContext == mInProtectedContext) {
-        return true;
-    }
-    if (useProtectedContext && !supportsProtectedContent()) {
-        return false;
+void SkiaGLRenderEngine::useProtectedContext(bool useProtectedContext) {
+    if (useProtectedContext == mInProtectedContext ||
+        (useProtectedContext && !supportsProtectedContent())) {
+        return;
     }
 
     // release any scratch resources before switching into a new mode
@@ -389,9 +388,8 @@ bool SkiaGLRenderEngine::useProtectedContext(bool useProtectedContext) {
     const EGLSurface surface =
             useProtectedContext ? mProtectedPlaceholderSurface : mPlaceholderSurface;
     const EGLContext context = useProtectedContext ? mProtectedEGLContext : mEGLContext;
-    const bool success = eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE;
 
-    if (success) {
+    if (eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE) {
         mInProtectedContext = useProtectedContext;
         // given that we are sharing the same thread between two GrContexts we need to
         // make sure that the thread state is reset when switching between the two.
@@ -399,7 +397,6 @@ bool SkiaGLRenderEngine::useProtectedContext(bool useProtectedContext) {
             getActiveGrContext()->resetContext();
         }
     }
-    return success;
 }
 
 base::unique_fd SkiaGLRenderEngine::flush() {
@@ -618,9 +615,9 @@ sk_sp<SkShader> SkiaGLRenderEngine::createRuntimeEffectShader(
 
     if (requiresLinearEffect) {
         const ui::Dataspace inputDataspace =
-                mUseColorManagement ? layer->sourceDataspace : ui::Dataspace::UNKNOWN;
+                mUseColorManagement ? layer->sourceDataspace : ui::Dataspace::V0_SRGB_LINEAR;
         const ui::Dataspace outputDataspace =
-                mUseColorManagement ? display.outputDataspace : ui::Dataspace::UNKNOWN;
+                mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
 
         LinearEffect effect = LinearEffect{.inputDataspace = inputDataspace,
                                            .outputDataspace = outputDataspace,
@@ -762,7 +759,7 @@ status_t SkiaGLRenderEngine::drawLayers(const DisplaySettings& display,
     }
 
     const ui::Dataspace dstDataspace =
-            mUseColorManagement ? display.outputDataspace : ui::Dataspace::UNKNOWN;
+            mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
     sk_sp<SkSurface> dstSurface = surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext);
 
     SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
@@ -1413,10 +1410,12 @@ void SkiaGLRenderEngine::onPrimaryDisplaySizeChanged(ui::Size size) {
     getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
 
     // if it is possible to switch contexts then we will resize the other context
-    if (useProtectedContext(!mInProtectedContext)) {
+    const bool originalProtectedState = mInProtectedContext;
+    useProtectedContext(!mInProtectedContext);
+    if (mInProtectedContext != originalProtectedState) {
         getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
         // reset back to the initial context that was active when this method was called
-        useProtectedContext(!mInProtectedContext);
+        useProtectedContext(originalProtectedState);
     }
 }
 
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
index b30355bb67..a852bbcaf8 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.h
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -64,7 +64,7 @@ public:
     int getContextPriority() override;
     bool isProtected() const override { return mInProtectedContext; }
     bool supportsProtectedContent() const override;
-    bool useProtectedContext(bool useProtectedContext) override;
+    void useProtectedContext(bool useProtectedContext) override;
     bool supportsBackgroundBlur() override { return mBlurFilter != nullptr; }
     void assertShadersCompiled(int numShaders) override;
     void onPrimaryDisplaySizeChanged(ui::Size size) override;
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index 31ad63e9ce..7cd9eca976 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -44,7 +44,6 @@ public:
     virtual void deleteTextures(size_t /*count*/, uint32_t const* /*names*/) override{};
     virtual bool isProtected() const override { return false; } // mInProtectedContext; }
     virtual bool supportsProtectedContent() const override { return false; };
-    virtual bool useProtectedContext(bool /*useProtectedContext*/) override { return false; };
     virtual status_t drawLayers(const DisplaySettings& /*display*/,
                                 const std::vector<const LayerSettings*>& /*layers*/,
                                 const std::shared_ptr<ExternalTexture>& /*buffer*/,
diff --git a/libs/renderengine/skia/filters/BlurFilter.cpp b/libs/renderengine/skia/filters/BlurFilter.cpp
index 4ad6e94edf..7c5bee9450 100644
--- a/libs/renderengine/skia/filters/BlurFilter.cpp
+++ b/libs/renderengine/skia/filters/BlurFilter.cpp
@@ -81,7 +81,7 @@ sk_sp<SkImage> BlurFilter::generate(GrRecordingContext* context, const uint32_t
     // Kawase is an approximation of Gaussian, but it behaves differently from it.
     // A radius transformation is required for approximating them, and also to introduce
     // non-integer steps, necessary to smoothly interpolate large radii.
-    float tmpRadius = (float)blurRadius / 6.0f;
+    float tmpRadius = (float)blurRadius / 2.0f;
     float numberOfPasses = std::min(kMaxPasses, (uint32_t)ceil(tmpRadius));
     float radiusByPasses = tmpRadius / (float)numberOfPasses;
 
diff --git a/libs/renderengine/skia/filters/BlurFilter.h b/libs/renderengine/skia/filters/BlurFilter.h
index a8e6dd7579..7110018367 100644
--- a/libs/renderengine/skia/filters/BlurFilter.h
+++ b/libs/renderengine/skia/filters/BlurFilter.h
@@ -42,7 +42,7 @@ public:
     static constexpr uint32_t kMaxPasses = 4;
     // To avoid downscaling artifacts, we interpolate the blurred fbo with the full composited
     // image, up to this radius.
-    static constexpr float kMaxCrossFadeRadius = 30.0f;
+    static constexpr float kMaxCrossFadeRadius = 10.0f;
 
     explicit BlurFilter();
     virtual ~BlurFilter(){};
diff --git a/libs/renderengine/skia/filters/LinearEffect.cpp b/libs/renderengine/skia/filters/LinearEffect.cpp
index 9b044e1685..fc45af945b 100644
--- a/libs/renderengine/skia/filters/LinearEffect.cpp
+++ b/libs/renderengine/skia/filters/LinearEffect.cpp
@@ -167,13 +167,12 @@ static void generateToneMapInterpolation(ui::Dataspace inputDataspace,
 
                                 float nits = xyz.y;
 
-                                // clamp to max input luminance
-                                nits = clamp(nits, 0.0, maxInLumi);
-
-                                // scale [0.0, maxInLumi] to [0.0, maxOutLumi]
+                                // if the max input luminance is less than what we can output then
+                                // no tone mapping is needed as all color values will be in range.
                                 if (maxInLumi <= maxOutLumi) {
-                                    return xyz * (maxOutLumi / maxInLumi);
+                                    return xyz;
                                 } else {
+
                                     // three control points
                                     const float x0 = 10.0;
                                     const float y0 = 17.0;
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index e2587419d2..33e3773d50 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -81,6 +81,7 @@ public:
                         .setSupportsBackgroundBlur(true)
                         .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
                         .setRenderEngineType(type())
+                        .setUseColorManagerment(useColorManagement())
                         .build();
         return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
     }
@@ -110,7 +111,7 @@ public:
                         .setSupportsBackgroundBlur(true)
                         .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
                         .setRenderEngineType(type())
-                        .setUseColorManagerment(true)
+                        .setUseColorManagerment(useColorManagement())
                         .build();
         return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
     }
@@ -136,16 +137,12 @@ public:
                         .setSupportsBackgroundBlur(true)
                         .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
                         .setRenderEngineType(type())
-                        // FIXME (b/189935602): This version is currently color managed.
-                        // We should change it and fix the tests that fail.
-                        //.setUseColorManagerment(false)
+                        .setUseColorManagerment(useColorManagement())
                         .build();
         return renderengine::skia::SkiaGLRenderEngine::create(reCreationArgs);
     }
 
-    // FIXME (b/189935602): This version is currently color managed.
-    // We should change it and fix the tests that fail.
-    bool useColorManagement() const override { return true; }
+    bool useColorManagement() const override { return false; }
 };
 
 class SkiaGLESCMRenderEngineFactory : public RenderEngineFactory {
@@ -166,7 +163,7 @@ public:
                         .setSupportsBackgroundBlur(true)
                         .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
                         .setRenderEngineType(type())
-                        .setUseColorManagerment(true)
+                        .setUseColorManagerment(useColorManagement())
                         .build();
         return renderengine::skia::SkiaGLRenderEngine::create(reCreationArgs);
     }
diff --git a/libs/renderengine/tests/RenderEngineThreadedTest.cpp b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
index c65e731230..830f4630e5 100644
--- a/libs/renderengine/tests/RenderEngineThreadedTest.cpp
+++ b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
@@ -118,16 +118,26 @@ TEST_F(RenderEngineThreadedTest, supportsProtectedContent_returnsTrue) {
     ASSERT_EQ(true, result);
 }
 
-TEST_F(RenderEngineThreadedTest, useProtectedContext_returnsFalse) {
-    EXPECT_CALL(*mRenderEngine, useProtectedContext(false)).WillOnce(Return(false));
-    status_t result = mThreadedRE->useProtectedContext(false);
-    ASSERT_EQ(false, result);
+TEST_F(RenderEngineThreadedTest, useProtectedContext) {
+    EXPECT_CALL(*mRenderEngine, useProtectedContext(true));
+    auto& ipExpect = EXPECT_CALL(*mRenderEngine, isProtected()).WillOnce(Return(false));
+    EXPECT_CALL(*mRenderEngine, supportsProtectedContent()).WillOnce(Return(true));
+    EXPECT_CALL(*mRenderEngine, isProtected()).After(ipExpect).WillOnce(Return(true));
+
+    mThreadedRE->useProtectedContext(true);
+    ASSERT_EQ(true, mThreadedRE->isProtected());
+
+    // call ANY synchronous function to ensure that useProtectedContext has completed.
+    mThreadedRE->getContextPriority();
+    ASSERT_EQ(true, mThreadedRE->isProtected());
 }
 
-TEST_F(RenderEngineThreadedTest, useProtectedContext_returnsTrue) {
-    EXPECT_CALL(*mRenderEngine, useProtectedContext(false)).WillOnce(Return(true));
-    status_t result = mThreadedRE->useProtectedContext(false);
-    ASSERT_EQ(true, result);
+TEST_F(RenderEngineThreadedTest, useProtectedContext_quickReject) {
+    EXPECT_CALL(*mRenderEngine, useProtectedContext(false)).Times(0);
+    EXPECT_CALL(*mRenderEngine, isProtected()).WillOnce(Return(false));
+    mThreadedRE->useProtectedContext(false);
+    // call ANY synchronous function to ensure that useProtectedContext has completed.
+    mThreadedRE->getContextPriority();
 }
 
 TEST_F(RenderEngineThreadedTest, PostRenderCleanup_skipped) {
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index ea3871f235..b9dabc1d05 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -90,6 +90,7 @@ void RenderEngineThreaded::threadMain(CreateInstanceFactory factory) NO_THREAD_S
     }
 
     mRenderEngine = factory();
+    mIsProtected = mRenderEngine->isProtected();
 
     pthread_setname_np(pthread_self(), mThreadName);
 
@@ -248,10 +249,8 @@ size_t RenderEngineThreaded::getMaxViewportDims() const {
 
 bool RenderEngineThreaded::isProtected() const {
     waitUntilInitialized();
-    // ensure that useProtectedContext is not currently being changed by some
-    // other thread.
     std::lock_guard lock(mThreadMutex);
-    return mRenderEngine->isProtected();
+    return mIsProtected;
 }
 
 bool RenderEngineThreaded::supportsProtectedContent() const {
@@ -259,20 +258,28 @@ bool RenderEngineThreaded::supportsProtectedContent() const {
     return mRenderEngine->supportsProtectedContent();
 }
 
-bool RenderEngineThreaded::useProtectedContext(bool useProtectedContext) {
-    std::promise<bool> resultPromise;
-    std::future<bool> resultFuture = resultPromise.get_future();
+void RenderEngineThreaded::useProtectedContext(bool useProtectedContext) {
+    if (isProtected() == useProtectedContext ||
+        (useProtectedContext && !supportsProtectedContent())) {
+        return;
+    }
+
     {
         std::lock_guard lock(mThreadMutex);
-        mFunctionCalls.push(
-                [&resultPromise, useProtectedContext](renderengine::RenderEngine& instance) {
-                    ATRACE_NAME("REThreaded::useProtectedContext");
-                    bool returnValue = instance.useProtectedContext(useProtectedContext);
-                    resultPromise.set_value(returnValue);
-                });
+        mFunctionCalls.push([useProtectedContext, this](renderengine::RenderEngine& instance) {
+            ATRACE_NAME("REThreaded::useProtectedContext");
+            instance.useProtectedContext(useProtectedContext);
+            if (instance.isProtected() != useProtectedContext) {
+                ALOGE("Failed to switch RenderEngine context.");
+                // reset the cached mIsProtected value to a good state, but this does not
+                // prevent other callers of this method and isProtected from reading the
+                // invalid cached value.
+                mIsProtected = instance.isProtected();
+            }
+        });
+        mIsProtected = useProtectedContext;
     }
     mCondition.notify_one();
-    return resultFuture.get();
 }
 
 void RenderEngineThreaded::cleanupPostRender() {
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 9b523b2140..f2f5c0f7cd 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -53,7 +53,7 @@ public:
 
     bool isProtected() const override;
     bool supportsProtectedContent() const override;
-    bool useProtectedContext(bool useProtectedContext) override;
+    void useProtectedContext(bool useProtectedContext) override;
     void cleanupPostRender() override;
 
     status_t drawLayers(const DisplaySettings& display,
@@ -100,6 +100,7 @@ private:
      * Render Engine
      */
     std::unique_ptr<renderengine::RenderEngine> mRenderEngine;
+    std::atomic<bool> mIsProtected = false;
 };
 } // namespace threaded
 } // namespace renderengine
diff --git a/libs/sensorprivacy/aidl/android/hardware/ISensorPrivacyManager.aidl b/libs/sensorprivacy/aidl/android/hardware/ISensorPrivacyManager.aidl
index f91f5b9017..9564cba60d 100644
--- a/libs/sensorprivacy/aidl/android/hardware/ISensorPrivacyManager.aidl
+++ b/libs/sensorprivacy/aidl/android/hardware/ISensorPrivacyManager.aidl
@@ -36,7 +36,7 @@ interface ISensorPrivacyManager {
 
     void setSensorPrivacy(boolean enable);
 
-    void setIndividualSensorPrivacy(int userId, int sensor, boolean enable);
+    void setIndividualSensorPrivacy(int userId, int source, int sensor, boolean enable);
 
-    void setIndividualSensorPrivacyForProfileGroup(int userId, int sensor, boolean enable);
+    void setIndividualSensorPrivacyForProfileGroup(int userId, int source, int sensor, boolean enable);
 }
diff --git a/libs/ui/include/ui/Transform.h b/libs/ui/include/ui/Transform.h
index a197b3b20e..33fbe05035 100644
--- a/libs/ui/include/ui/Transform.h
+++ b/libs/ui/include/ui/Transform.h
@@ -112,6 +112,7 @@ public:
     void dump(const char* name, const char* prefix = "") const;
 
     static constexpr RotationFlags toRotationFlags(Rotation);
+    static constexpr Rotation toRotation(RotationFlags);
 
 private:
     struct mat33 {
@@ -151,5 +152,20 @@ inline constexpr Transform::RotationFlags Transform::toRotationFlags(Rotation ro
     }
 }
 
+inline constexpr Rotation Transform::toRotation(Transform::RotationFlags rotationFlags) {
+    switch (rotationFlags) {
+        case ROT_0:
+            return ROTATION_0;
+        case ROT_90:
+            return ROTATION_90;
+        case ROT_180:
+            return ROTATION_180;
+        case ROT_270:
+            return ROTATION_270;
+        default:
+            return ROTATION_0;
+    }
+}
+
 }  // namespace ui
 }  // namespace android
diff --git a/services/gpuservice/bpfprogs/gpu_mem.c b/services/gpuservice/bpfprogs/gpu_mem.c
index c75213bbd4..16e1e8a1ef 100644
--- a/services/gpuservice/bpfprogs/gpu_mem.c
+++ b/services/gpuservice/bpfprogs/gpu_mem.c
@@ -72,4 +72,4 @@ DEFINE_BPF_PROG("tracepoint/gpu_mem/gpu_mem_total", AID_ROOT, AID_GRAPHICS, tp_g
     return 0;
 }
 
-char _license[] SEC("license") = "Apache 2.0";
+LICENSE("Apache 2.0");
diff --git a/services/inputflinger/TEST_MAPPING b/services/inputflinger/TEST_MAPPING
index dc0e60c858..3d85befaf8 100644
--- a/services/inputflinger/TEST_MAPPING
+++ b/services/inputflinger/TEST_MAPPING
@@ -27,7 +27,17 @@
       "name": "CtsViewTestCases",
       "options": [
         {
-          "include-filter": "android.view.cts.MotionEventTest"
+          "include-filter": "android.view.cts.MotionEventTest",
+          "include-filter": "android.view.cts.VerifyInputEventTest"
+        }
+      ]
+    },
+    {
+      "name": "FrameworksCoreTests",
+      "options": [
+        {
+          "include-filter": "android.view.VerifiedKeyEventTest",
+          "include-filter": "android.view.VerifiedMotionEventTest"
         }
       ]
     },
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index c0010abf8a..1899c5f29d 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -3787,7 +3787,7 @@ void InputDispatcher::notifyKey(const NotifyKeyArgs* args) {
         if (shouldSendKeyToInputFilterLocked(args)) {
             mLock.unlock();
 
-            policyFlags |= POLICY_FLAG_FILTERED | POLICY_FLAG_INPUTFILTER_TRUSTED;
+            policyFlags |= POLICY_FLAG_FILTERED;
             if (!mPolicy->filterInputEvent(&event, policyFlags)) {
                 return; // event was consumed by the filter
             }
@@ -4010,16 +4010,14 @@ InputEventInjectionResult InputDispatcher::injectInputEvent(
     }
 
     // For all injected events, set device id = VIRTUAL_KEYBOARD_ID. The only exception is events
-    // that have gone through the InputFilter. If the event passed through the InputFilter,
-    // but did not get modified, assign the provided device id. If the InputFilter modifies the
-    // events in any way, it is responsible for removing this flag.
-    // If the injected event originated from accessibility, assign the accessibility device id,
-    // so that it can be distinguished from regular injected events.
+    // that have gone through the InputFilter. If the event passed through the InputFilter, assign
+    // the provided device id. If the InputFilter is accessibility, and it modifies or synthesizes
+    // the injected event, it is responsible for setting POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY.
+    // For those events, we will set FLAG_IS_ACCESSIBILITY_EVENT to allow apps to distinguish them
+    // from events that originate from actual hardware.
     int32_t resolvedDeviceId = VIRTUAL_KEYBOARD_ID;
-    if (policyFlags & POLICY_FLAG_INPUTFILTER_TRUSTED) {
+    if (policyFlags & POLICY_FLAG_FILTERED) {
         resolvedDeviceId = event->getDeviceId();
-    } else if (policyFlags & POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY) {
-        resolvedDeviceId = ACCESSIBILITY_DEVICE_ID;
     }
 
     std::queue<std::unique_ptr<EventEntry>> injectedEntries;
@@ -4032,6 +4030,9 @@ InputEventInjectionResult InputDispatcher::injectInputEvent(
             }
 
             int32_t flags = incomingKey.getFlags();
+            if (policyFlags & POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY) {
+                flags |= AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT;
+            }
             int32_t keyCode = incomingKey.getKeyCode();
             int32_t metaState = incomingKey.getMetaState();
             accelerateMetaShortcuts(resolvedDeviceId, action,
@@ -4073,6 +4074,7 @@ InputEventInjectionResult InputDispatcher::injectInputEvent(
             size_t pointerCount = motionEvent.getPointerCount();
             const PointerProperties* pointerProperties = motionEvent.getPointerProperties();
             int32_t actionButton = motionEvent.getActionButton();
+            int32_t flags = motionEvent.getFlags();
             int32_t displayId = motionEvent.getDisplayId();
             if (!validateMotionEvent(action, actionButton, pointerCount, pointerProperties)) {
                 return InputEventInjectionResult::FAILED;
@@ -4088,6 +4090,10 @@ InputEventInjectionResult InputDispatcher::injectInputEvent(
                 }
             }
 
+            if (policyFlags & POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY) {
+                flags |= AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT;
+            }
+
             mLock.lock();
             const nsecs_t* sampleEventTimes = motionEvent.getSampleEventTimes();
             const PointerCoords* samplePointerCoords = motionEvent.getSamplePointerCoords();
@@ -4095,8 +4101,7 @@ InputEventInjectionResult InputDispatcher::injectInputEvent(
                     std::make_unique<MotionEntry>(motionEvent.getId(), *sampleEventTimes,
                                                   resolvedDeviceId, motionEvent.getSource(),
                                                   motionEvent.getDisplayId(), policyFlags, action,
-                                                  actionButton, motionEvent.getFlags(),
-                                                  motionEvent.getMetaState(),
+                                                  actionButton, flags, motionEvent.getMetaState(),
                                                   motionEvent.getButtonState(),
                                                   motionEvent.getClassification(),
                                                   motionEvent.getEdgeFlags(),
@@ -4116,7 +4121,7 @@ InputEventInjectionResult InputDispatcher::injectInputEvent(
                         std::make_unique<MotionEntry>(motionEvent.getId(), *sampleEventTimes,
                                                       resolvedDeviceId, motionEvent.getSource(),
                                                       motionEvent.getDisplayId(), policyFlags,
-                                                      action, actionButton, motionEvent.getFlags(),
+                                                      action, actionButton, flags,
                                                       motionEvent.getMetaState(),
                                                       motionEvent.getButtonState(),
                                                       motionEvent.getClassification(),
diff --git a/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp b/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
index ca43123d28..fab7f4ca14 100644
--- a/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
@@ -104,36 +104,37 @@ void MultiTouchMotionAccumulator::process(const RawEvent* rawEvent) {
 #endif
         } else {
             Slot* slot = &mSlots[mCurrentSlot];
+            // If mUsingSlotsProtocol is true, it means the raw pointer has axis info of
+            // ABS_MT_TRACKING_ID and ABS_MT_SLOT, so driver should send a valid trackingId while
+            // updating the slot.
+            if (!mUsingSlotsProtocol) {
+                slot->mInUse = true;
+            }
 
             switch (rawEvent->code) {
                 case ABS_MT_POSITION_X:
-                    slot->mInUse = true;
                     slot->mAbsMTPositionX = rawEvent->value;
+                    warnIfNotInUse(*rawEvent, *slot);
                     break;
                 case ABS_MT_POSITION_Y:
-                    slot->mInUse = true;
                     slot->mAbsMTPositionY = rawEvent->value;
+                    warnIfNotInUse(*rawEvent, *slot);
                     break;
                 case ABS_MT_TOUCH_MAJOR:
-                    slot->mInUse = true;
                     slot->mAbsMTTouchMajor = rawEvent->value;
                     break;
                 case ABS_MT_TOUCH_MINOR:
-                    slot->mInUse = true;
                     slot->mAbsMTTouchMinor = rawEvent->value;
                     slot->mHaveAbsMTTouchMinor = true;
                     break;
                 case ABS_MT_WIDTH_MAJOR:
-                    slot->mInUse = true;
                     slot->mAbsMTWidthMajor = rawEvent->value;
                     break;
                 case ABS_MT_WIDTH_MINOR:
-                    slot->mInUse = true;
                     slot->mAbsMTWidthMinor = rawEvent->value;
                     slot->mHaveAbsMTWidthMinor = true;
                     break;
                 case ABS_MT_ORIENTATION:
-                    slot->mInUse = true;
                     slot->mAbsMTOrientation = rawEvent->value;
                     break;
                 case ABS_MT_TRACKING_ID:
@@ -147,15 +148,12 @@ void MultiTouchMotionAccumulator::process(const RawEvent* rawEvent) {
                     }
                     break;
                 case ABS_MT_PRESSURE:
-                    slot->mInUse = true;
                     slot->mAbsMTPressure = rawEvent->value;
                     break;
                 case ABS_MT_DISTANCE:
-                    slot->mInUse = true;
                     slot->mAbsMTDistance = rawEvent->value;
                     break;
                 case ABS_MT_TOOL_TYPE:
-                    slot->mInUse = true;
                     slot->mAbsMTToolType = rawEvent->value;
                     slot->mHaveAbsMTToolType = true;
                     break;
@@ -177,6 +175,13 @@ bool MultiTouchMotionAccumulator::hasStylus() const {
     return mHaveStylus;
 }
 
+void MultiTouchMotionAccumulator::warnIfNotInUse(const RawEvent& event, const Slot& slot) {
+    if (!slot.mInUse) {
+        ALOGW("Received unexpected event (0x%0x, 0x%0x) for slot %i with tracking id %i",
+              event.code, event.value, mCurrentSlot, slot.mAbsMTTrackingId);
+    }
+}
+
 // --- MultiTouchMotionAccumulator::Slot ---
 
 MultiTouchMotionAccumulator::Slot::Slot() {
diff --git a/services/inputflinger/reader/mapper/MultiTouchInputMapper.h b/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
index ea6f2078d7..225ad49363 100644
--- a/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
@@ -87,6 +87,7 @@ private:
     bool mHaveStylus;
 
     void clearSlots(int32_t initialSlot);
+    void warnIfNotInUse(const RawEvent& event, const Slot& slot);
 };
 
 class MultiTouchInputMapper : public TouchInputMapper {
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index 60502384a3..962d8d2935 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -1471,6 +1471,13 @@ void TouchInputMapper::sync(nsecs_t when, nsecs_t readTime) {
           next.rawPointerData.canceledIdBits.value);
 #endif
 
+    if (!next.rawPointerData.touchingIdBits.isEmpty() &&
+        !next.rawPointerData.hoveringIdBits.isEmpty() &&
+        last.rawPointerData.hoveringIdBits != next.rawPointerData.hoveringIdBits) {
+        ALOGI("Multi-touch contains some hovering ids 0x%08x",
+              next.rawPointerData.hoveringIdBits.value);
+    }
+
     processRawTouches(false /*timeout*/);
 }
 
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 77ca12c5dc..3a9dede89b 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -3171,7 +3171,8 @@ protected:
         mWindow->consumeFocusEvent(true);
     }
 
-    void testInjectedKey(int32_t policyFlags, int32_t injectedDeviceId, int32_t resolvedDeviceId) {
+    void testInjectedKey(int32_t policyFlags, int32_t injectedDeviceId, int32_t resolvedDeviceId,
+                         int32_t flags) {
         KeyEvent event;
 
         const nsecs_t eventTime = systemTime(SYSTEM_TIME_MONOTONIC);
@@ -3188,6 +3189,45 @@ protected:
         InputEvent* received = mWindow->consume();
         ASSERT_NE(nullptr, received);
         ASSERT_EQ(resolvedDeviceId, received->getDeviceId());
+        ASSERT_EQ(received->getType(), AINPUT_EVENT_TYPE_KEY);
+        KeyEvent& keyEvent = static_cast<KeyEvent&>(*received);
+        ASSERT_EQ(flags, keyEvent.getFlags());
+    }
+
+    void testInjectedMotion(int32_t policyFlags, int32_t injectedDeviceId, int32_t resolvedDeviceId,
+                            int32_t flags) {
+        MotionEvent event;
+        PointerProperties pointerProperties[1];
+        PointerCoords pointerCoords[1];
+        pointerProperties[0].clear();
+        pointerProperties[0].id = 0;
+        pointerCoords[0].clear();
+        pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 300);
+        pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 400);
+
+        ui::Transform identityTransform;
+        const nsecs_t eventTime = systemTime(SYSTEM_TIME_MONOTONIC);
+        event.initialize(InputEvent::nextId(), injectedDeviceId, AINPUT_SOURCE_TOUCHSCREEN,
+                         DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,
+                         AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0, MotionClassification::NONE,
+                         identityTransform, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                         AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                         0 /*AMOTION_EVENT_INVALID_DISPLAY_SIZE*/,
+                         0 /*AMOTION_EVENT_INVALID_DISPLAY_SIZE*/, eventTime, eventTime,
+                         /*pointerCount*/ 1, pointerProperties, pointerCoords);
+
+        const int32_t additionalPolicyFlags = POLICY_FLAG_PASS_TO_USER;
+        ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+                  mDispatcher->injectInputEvent(&event, INJECTOR_PID, INJECTOR_UID,
+                                                InputEventInjectionSync::WAIT_FOR_RESULT, 10ms,
+                                                policyFlags | additionalPolicyFlags));
+
+        InputEvent* received = mWindow->consume();
+        ASSERT_NE(nullptr, received);
+        ASSERT_EQ(resolvedDeviceId, received->getDeviceId());
+        ASSERT_EQ(received->getType(), AINPUT_EVENT_TYPE_MOTION);
+        MotionEvent& motionEvent = static_cast<MotionEvent&>(*received);
+        ASSERT_EQ(flags, motionEvent.getFlags());
     }
 
 private:
@@ -3195,20 +3235,29 @@ private:
 };
 
 TEST_F(InputFilterInjectionPolicyTest, TrustedFilteredEvents_KeepOriginalDeviceId) {
-    // We don't need POLICY_FLAG_FILTERED here, but it will be set in practice, so keep it to make
-    // the test more closely resemble the real usage
-    testInjectedKey(POLICY_FLAG_FILTERED | POLICY_FLAG_INPUTFILTER_TRUSTED, 3 /*injectedDeviceId*/,
-                    3 /*resolvedDeviceId*/);
+    // Must have POLICY_FLAG_FILTERED here to indicate that the event has gone through the input
+    // filter. Without it, the event will no different from a regularly injected event, and the
+    // injected device id will be overwritten.
+    testInjectedKey(POLICY_FLAG_FILTERED, 3 /*injectedDeviceId*/, 3 /*resolvedDeviceId*/,
+                    0 /*flags*/);
 }
 
-TEST_F(InputFilterInjectionPolicyTest, EventsInjectedFromAccessibility_HaveAccessibilityDeviceId) {
+TEST_F(InputFilterInjectionPolicyTest, KeyEventsInjectedFromAccessibility_HaveAccessibilityFlag) {
     testInjectedKey(POLICY_FLAG_FILTERED | POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY,
-                    3 /*injectedDeviceId*/, ACCESSIBILITY_DEVICE_ID /*resolvedDeviceId*/);
+                    3 /*injectedDeviceId*/, 3 /*resolvedDeviceId*/,
+                    AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT);
+}
+
+TEST_F(InputFilterInjectionPolicyTest,
+       MotionEventsInjectedFromAccessibility_HaveAccessibilityFlag) {
+    testInjectedMotion(POLICY_FLAG_FILTERED | POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY,
+                       3 /*injectedDeviceId*/, 3 /*resolvedDeviceId*/,
+                       AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT);
 }
 
 TEST_F(InputFilterInjectionPolicyTest, RegularInjectedEvents_ReceiveVirtualDeviceId) {
     testInjectedKey(0 /*policyFlags*/, 3 /*injectedDeviceId*/,
-                    VIRTUAL_KEYBOARD_ID /*resolvedDeviceId*/);
+                    VIRTUAL_KEYBOARD_ID /*resolvedDeviceId*/, 0 /*flags*/);
 }
 
 class InputDispatcherOnPointerDownOutsideFocus : public InputDispatcherTest {
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 73198bc5a1..997cbe88a1 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -2276,6 +2276,7 @@ TEST_F(TouchIntegrationTest, InputEvent_ProcessSingleTouch) {
     const Point centerPoint = mDevice->getCenterPoint();
 
     // ACTION_DOWN
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
     mDevice->sendDown(centerPoint);
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(&args));
     ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
@@ -2296,6 +2297,8 @@ TEST_F(TouchIntegrationTest, InputEvent_ProcessMultiTouch) {
     const Point centerPoint = mDevice->getCenterPoint();
 
     // ACTION_DOWN
+    mDevice->sendSlot(FIRST_SLOT);
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
     mDevice->sendDown(centerPoint);
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(&args));
     ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
@@ -8217,6 +8220,70 @@ TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_KeepFirstPoin
     ASSERT_NE(AMOTION_EVENT_FLAG_CANCELED, motionArgs.flags);
 }
 
+/**
+ * Test multi-touch should sent ACTION_POINTER_UP/ACTION_UP when received the INVALID_TRACKING_ID,
+ * to prevent the driver side may send unexpected data after set tracking id as INVALID_TRACKING_ID
+ * cause slot be valid again.
+ */
+TEST_F(MultiTouchInputMapperTest, Process_MultiTouch_WithInvalidTrackingId) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION | ID | SLOT | PRESSURE);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    NotifyMotionArgs motionArgs;
+
+    constexpr int32_t x1 = 100, y1 = 200, x2 = 0, y2 = 0;
+    // First finger down.
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(uint32_t(1), motionArgs.pointerCount);
+
+    // First finger move.
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1 + 1, y1 + 1);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(uint32_t(1), motionArgs.pointerCount);
+
+    // Second finger down.
+    processSlot(mapper, SECOND_SLOT);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+              motionArgs.action);
+    ASSERT_EQ(uint32_t(2), motionArgs.pointerCount);
+
+    // second finger up with some unexpected data.
+    processSlot(mapper, SECOND_SLOT);
+    processId(mapper, INVALID_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+              motionArgs.action);
+    ASSERT_EQ(uint32_t(2), motionArgs.pointerCount);
+
+    // first finger up with some unexpected data.
+    processSlot(mapper, FIRST_SLOT);
+    processId(mapper, INVALID_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+    ASSERT_EQ(uint32_t(1), motionArgs.pointerCount);
+}
+
 // --- MultiTouchInputMapperTest_ExternalDevice ---
 
 class MultiTouchInputMapperTest_ExternalDevice : public MultiTouchInputMapperTest {
diff --git a/services/sensorservice/SensorDevice.cpp b/services/sensorservice/SensorDevice.cpp
index 5d6f8c773c..c233bf06cf 100644
--- a/services/sensorservice/SensorDevice.cpp
+++ b/services/sensorservice/SensorDevice.cpp
@@ -915,7 +915,7 @@ bool SensorDevice::isSensorActive(int handle) const {
     if (activationIndex < 0) {
         return false;
     }
-    return mActivationCount.valueAt(activationIndex).numActiveClients() > 0;
+    return mActivationCount.valueAt(activationIndex).isActive;
 }
 
 void SensorDevice::onMicSensorAccessChanged(void* ident, int handle, nsecs_t samplingPeriodNs) {
diff --git a/services/sensorservice/SensorInterface.cpp b/services/sensorservice/SensorInterface.cpp
index 560834f5f3..c285c00623 100644
--- a/services/sensorservice/SensorInterface.cpp
+++ b/services/sensorservice/SensorInterface.cpp
@@ -92,14 +92,16 @@ ProximitySensor::ProximitySensor(const sensor_t& sensor, SensorService& service)
 }
 
 status_t ProximitySensor::activate(void* ident, bool enabled) {
-    bool wasActive = mActive;
+    bool lastState = mSensorDevice.isSensorActive(mSensor.getHandle());
+
     status_t status = HardwareSensor::activate(ident, enabled);
     if (status != NO_ERROR) {
         return status;
     }
-    mActive = enabled;
-    if (wasActive != enabled) {
-        mSensorService.onProximityActiveLocked(enabled);
+
+    bool currentState = mSensorDevice.isSensorActive(mSensor.getHandle());
+    if (currentState != lastState) {
+        mSensorService.onProximityActiveLocked(currentState);
     }
     return NO_ERROR;
 }
diff --git a/services/sensorservice/SensorInterface.h b/services/sensorservice/SensorInterface.h
index ea181c9877..4e9f7bf9c8 100644
--- a/services/sensorservice/SensorInterface.h
+++ b/services/sensorservice/SensorInterface.h
@@ -119,7 +119,6 @@ public:
     void didEnableAllSensors() override;
 private:
     SensorService& mSensorService;
-    bool mActive;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index 228172140b..726fe8ea84 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -2161,8 +2161,9 @@ bool SensorService::isUidActive(uid_t uid) {
 
 bool SensorService::isRateCappedBasedOnPermission(const String16& opPackageName) {
     int targetSdk = getTargetSdkVersion(opPackageName);
-    bool hasSamplingRatePermission = PermissionCache::checkCallingPermission(
-                    sAccessHighSensorSamplingRatePermission);
+    bool hasSamplingRatePermission = checkPermission(sAccessHighSensorSamplingRatePermission,
+            IPCThreadState::self()->getCallingPid(),
+            IPCThreadState::self()->getCallingUid());
     if (targetSdk < __ANDROID_API_S__ ||
             (targetSdk >= __ANDROID_API_S__ && hasSamplingRatePermission)) {
         return false;
diff --git a/services/surfaceflinger/BufferLayer.h b/services/surfaceflinger/BufferLayer.h
index cd3d80e809..760c8b9f3c 100644
--- a/services/surfaceflinger/BufferLayer.h
+++ b/services/surfaceflinger/BufferLayer.h
@@ -133,6 +133,7 @@ protected:
         bool mTransformToDisplayInverse{false};
 
         std::shared_ptr<renderengine::ExternalTexture> mBuffer;
+        uint64_t mFrameNumber;
         int mBufferSlot{BufferQueue::INVALID_BUFFER_SLOT};
 
         bool mFrameLatencyNeeded{false};
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index c64371b84a..6b6d43425d 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -125,11 +125,16 @@ bool BufferQueueLayer::isBufferDue(nsecs_t expectedPresentTime) const {
 // -----------------------------------------------------------------------
 
 bool BufferQueueLayer::fenceHasSignaled() const {
+    Mutex::Autolock lock(mQueueItemLock);
+
+    if (SurfaceFlinger::enableLatchUnsignaled) {
+        return true;
+    }
+
     if (!hasFrameUpdate()) {
         return true;
     }
 
-    Mutex::Autolock lock(mQueueItemLock);
     if (mQueueItems[0].item.mIsDroppable) {
         // Even though this buffer's fence may not have signaled yet, it could
         // be replaced by another buffer before it has a chance to, which means
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 6b5cf04536..8bc51dfa5d 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -44,25 +44,18 @@ namespace android {
 using PresentState = frametimeline::SurfaceFrame::PresentState;
 namespace {
 void callReleaseBufferCallback(const sp<ITransactionCompletedListener>& listener,
-                               const sp<GraphicBuffer>& buffer, const sp<Fence>& releaseFence,
-                               uint32_t transformHint, uint32_t currentMaxAcquiredBufferCount) {
+                               const sp<GraphicBuffer>& buffer, uint64_t framenumber,
+                               const sp<Fence>& releaseFence, uint32_t transformHint,
+                               uint32_t currentMaxAcquiredBufferCount) {
     if (!listener) {
         return;
     }
-    listener->onReleaseBuffer(buffer->getId(), releaseFence ? releaseFence : Fence::NO_FENCE,
-                              transformHint, currentMaxAcquiredBufferCount);
+    listener->onReleaseBuffer({buffer->getId(), framenumber},
+                              releaseFence ? releaseFence : Fence::NO_FENCE, transformHint,
+                              currentMaxAcquiredBufferCount);
 }
 } // namespace
 
-// clang-format off
-const std::array<float, 16> BufferStateLayer::IDENTITY_MATRIX{
-        1, 0, 0, 0,
-        0, 1, 0, 0,
-        0, 0, 1, 0,
-        0, 0, 0, 1
-};
-// clang-format on
-
 BufferStateLayer::BufferStateLayer(const LayerCreationArgs& args)
       : BufferLayer(args), mHwcSlotGenerator(new HwcSlotGenerator()) {
     mDrawingState.dataspace = ui::Dataspace::V0_SRGB;
@@ -75,8 +68,8 @@ BufferStateLayer::~BufferStateLayer() {
     // issue with the clone layer trying to use the texture.
     if (mBufferInfo.mBuffer != nullptr && !isClone()) {
         callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                  mBufferInfo.mBuffer->getBuffer(), mBufferInfo.mFence,
-                                  mTransformHint,
+                                  mBufferInfo.mBuffer->getBuffer(), mBufferInfo.mFrameNumber,
+                                  mBufferInfo.mFence, mTransformHint,
                                   mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
                                           mOwnerUid));
     }
@@ -87,7 +80,7 @@ status_t BufferStateLayer::addReleaseFence(const sp<CallbackHandle>& ch,
     if (ch == nullptr) {
         return OK;
     }
-    ch->previousBufferId = mPreviousBufferId;
+    ch->previousReleaseCallbackId = mPreviousReleaseCallbackId;
     if (!ch->previousReleaseFence.get()) {
         ch->previousReleaseFence = fence;
         return OK;
@@ -214,7 +207,7 @@ void BufferStateLayer::releasePendingBuffer(nsecs_t dequeueReadyTime) {
     // see BufferStateLayer::onLayerDisplayed.
     for (auto& handle : mDrawingState.callbackHandles) {
         if (handle->releasePreviousBuffer) {
-            handle->previousBufferId = mPreviousBufferId;
+            handle->previousReleaseCallbackId = mPreviousReleaseCallbackId;
             break;
         }
     }
@@ -432,14 +425,15 @@ bool BufferStateLayer::setBuffer(const std::shared_ptr<renderengine::ExternalTex
 
     if (mDrawingState.buffer) {
         mReleasePreviousBuffer = true;
-        if (mDrawingState.buffer != mBufferInfo.mBuffer) {
+        if (mDrawingState.buffer != mBufferInfo.mBuffer ||
+            mDrawingState.frameNumber != mBufferInfo.mFrameNumber) {
             // If mDrawingState has a buffer, and we are about to update again
             // before swapping to drawing state, then the first buffer will be
             // dropped and we should decrement the pending buffer count and
             // call any release buffer callbacks if set.
             callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                      mDrawingState.buffer->getBuffer(), mDrawingState.acquireFence,
-                                      mTransformHint,
+                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
+                                      mDrawingState.acquireFence, mTransformHint,
                                       mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
                                               mOwnerUid));
             decrementPendingBufferCount();
@@ -597,6 +591,7 @@ bool BufferStateLayer::setTransactionCompletedListeners(
 }
 
 bool BufferStateLayer::setTransparentRegionHint(const Region& transparent) {
+    mDrawingState.sequence++;
     mDrawingState.transparentRegionHint = transparent;
     mDrawingState.modified = true;
     setTransactionFlags(eTransactionNeeded);
@@ -642,6 +637,10 @@ FloatRect BufferStateLayer::computeSourceBounds(const FloatRect& parentBounds) c
 // Interface implementation for BufferLayer
 // -----------------------------------------------------------------------
 bool BufferStateLayer::fenceHasSignaled() const {
+    if (SurfaceFlinger::enableLatchUnsignaled) {
+        return true;
+    }
+
     const bool fenceSignaled =
             getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;
     if (!fenceSignaled) {
@@ -684,7 +683,7 @@ uint64_t BufferStateLayer::getFrameNumber(nsecs_t /*expectedPresentTime*/) const
  *     DeferTransactionUntil -> frameNumber = 2
  *     Random other stuff
  *  }
- * Now imagine getHeadFrameNumber returned mDrawingState.mFrameNumber (or mCurrentFrameNumber).
+ * Now imagine mFrameNumber returned mDrawingState.frameNumber (or mCurrentFrameNumber).
  * Prior to doTransaction SurfaceFlinger will call notifyAvailableFrames, but because we
  * haven't swapped mDrawingState to mDrawingState yet we will think the sync point
  * is not ready. So we will return false from applyPendingState and not swap
@@ -725,7 +724,7 @@ bool BufferStateLayer::latchSidebandStream(bool& recomputeVisibleRegions) {
 
 bool BufferStateLayer::hasFrameUpdate() const {
     const State& c(getDrawingState());
-    return mDrawingStateModified && (c.buffer != nullptr || c.bgColorLayer != nullptr);
+    return (mDrawingStateModified || mDrawingState.modified) && (c.buffer != nullptr || c.bgColorLayer != nullptr);
 }
 
 status_t BufferStateLayer::updateTexImage(bool& /*recomputeVisibleRegions*/, nsecs_t latchTime,
@@ -792,9 +791,10 @@ status_t BufferStateLayer::updateActiveBuffer() {
         decrementPendingBufferCount();
     }
 
-    mPreviousBufferId = getCurrentBufferId();
+    mPreviousReleaseCallbackId = {getCurrentBufferId(), mBufferInfo.mFrameNumber};
     mBufferInfo.mBuffer = s.buffer;
     mBufferInfo.mFence = s.acquireFence;
+    mBufferInfo.mFrameNumber = s.frameNumber;
 
     return NO_ERROR;
 }
@@ -891,7 +891,11 @@ void BufferStateLayer::gatherBufferInfo() {
     mBufferInfo.mFenceTime = std::make_shared<FenceTime>(s.acquireFence);
     mBufferInfo.mFence = s.acquireFence;
     mBufferInfo.mTransform = s.bufferTransform;
+    auto lastDataspace = mBufferInfo.mDataspace;
     mBufferInfo.mDataspace = translateDataspace(s.dataspace);
+    if (lastDataspace != mBufferInfo.mDataspace) {
+        mFlinger->mSomeDataspaceChanged = true;
+    }
     mBufferInfo.mCrop = computeBufferCrop(s);
     mBufferInfo.mScaleMode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
     mBufferInfo.mSurfaceDamage = s.surfaceDamageRegion;
@@ -960,22 +964,6 @@ void BufferStateLayer::tracePendingBufferCount(int32_t pendingBuffers) {
     ATRACE_INT(mBlastTransactionName.c_str(), pendingBuffers);
 }
 
-void BufferStateLayer::bufferMayChange(const sp<GraphicBuffer>& newBuffer) {
-    if (mDrawingState.buffer != nullptr &&
-        (!mBufferInfo.mBuffer ||
-         mDrawingState.buffer->getBuffer() != mBufferInfo.mBuffer->getBuffer()) &&
-        newBuffer != mDrawingState.buffer->getBuffer()) {
-        // If we are about to update mDrawingState.buffer but it has not yet latched
-        // then we will drop a buffer and should decrement the pending buffer count and
-        // call any release buffer callbacks if set.
-        callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                  mDrawingState.buffer->getBuffer(), mDrawingState.acquireFence,
-                                  mTransformHint,
-                                  mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
-                                          mOwnerUid));
-        decrementPendingBufferCount();
-    }
-}
 
 /*
  * We don't want to send the layer's transform to input, but rather the
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
index 27470182bf..cab48994b3 100644
--- a/services/surfaceflinger/BufferStateLayer.h
+++ b/services/surfaceflinger/BufferStateLayer.h
@@ -97,7 +97,6 @@ public:
 
     // See mPendingBufferTransactions
     void decrementPendingBufferCount();
-    void bufferMayChange(const sp<GraphicBuffer>& newBuffer) override;
     std::atomic<int32_t>* getPendingBufferCounter() override { return &mPendingBufferTransactions; }
     std::string getPendingBufferCounterName() override { return mBlastTransactionName; }
 
@@ -143,15 +142,8 @@ private:
 
     bool bufferNeedsFiltering() const override;
 
-    static const std::array<float, 16> IDENTITY_MATRIX;
-
-    std::unique_ptr<renderengine::Image> mTextureImage;
-
-    mutable uint64_t mFrameNumber{0};
-    uint64_t mFrameCounter{0};
-
     sp<Fence> mPreviousReleaseFence;
-    uint64_t mPreviousBufferId = 0;
+    ReleaseCallbackId mPreviousReleaseCallbackId = ReleaseCallbackId::INVALID_ID;
     uint64_t mPreviousReleasedFrameNumber = 0;
 
     bool mReleasePreviousBuffer = false;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
index 29937fb089..554e2f4868 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
@@ -24,6 +24,7 @@
 #include <compositionengine/LayerFE.h>
 #include <compositionengine/OutputColorSetting.h>
 #include <math/mat4.h>
+#include <ui/FenceTime.h>
 #include <ui/Transform.h>
 
 namespace android::compositionengine {
@@ -83,6 +84,10 @@ struct CompositionRefreshArgs {
     // The earliest time to send the present command to the HAL
     std::chrono::steady_clock::time_point earliestPresentTime;
 
+    // The previous present fence. Used together with earliestPresentTime
+    // to prevent an early presentation of a frame.
+    std::shared_ptr<FenceTime> previousPresentFence;
+
     // The predicted next invalidation time
     std::optional<std::chrono::steady_clock::time_point> nextInvalidateTime;
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
index d41c2dd527..f34cb94079 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
@@ -19,6 +19,7 @@
 #include <cstdint>
 
 #include <math/mat4.h>
+#include <ui/FenceTime.h>
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
@@ -118,6 +119,10 @@ struct OutputCompositionState {
     // The earliest time to send the present command to the HAL
     std::chrono::steady_clock::time_point earliestPresentTime;
 
+    // The previous present fence. Used together with earliestPresentTime
+    // to prevent an early presentation of a frame.
+    std::shared_ptr<FenceTime> previousPresentFence;
+
     // Current display brightness
     float displayBrightnessNits{-1.f};
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/CachedSet.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/CachedSet.h
index 7cb0f6b9f2..2e7a377feb 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/CachedSet.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/CachedSet.h
@@ -65,7 +65,9 @@ public:
     size_t getLayerCount() const { return mLayers.size(); }
     const Layer& getFirstLayer() const { return mLayers[0]; }
     const Rect& getBounds() const { return mBounds; }
-    Rect getTextureBounds() const { return mOutputSpace.content; }
+    Rect getTextureBounds() const {
+        return mTexture ? mTexture->get()->getBuffer()->getBounds() : Rect::INVALID_RECT;
+    }
     const Region& getVisibleRegion() const { return mVisibleRegion; }
     size_t getAge() const { return mAge; }
     std::shared_ptr<renderengine::ExternalTexture> getBuffer() const {
@@ -141,7 +143,7 @@ public:
 
     compositionengine::OutputLayer* getBlurLayer() const;
 
-    bool hasHdrLayers() const;
+    bool hasUnsupportedDataspace() const;
 
     bool hasProtectedLayers() const;
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/LayerState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/LayerState.h
index a20d7b3ce7..bce438fa13 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/LayerState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/LayerState.h
@@ -242,13 +242,6 @@ public:
 
     ui::Dataspace getDataspace() const { return mOutputDataspace.get(); }
 
-    bool isHdr() const {
-        const ui::Dataspace transfer =
-                static_cast<ui::Dataspace>(getDataspace() & ui::Dataspace::TRANSFER_MASK);
-        return (transfer == ui::Dataspace::TRANSFER_ST2084 ||
-                transfer == ui::Dataspace::TRANSFER_HLG);
-    }
-
     bool isProtected() const {
         return getOutputLayer()->getLayerFE().getCompositionState()->hasProtectedContent;
     }
diff --git a/services/surfaceflinger/CompositionEngine/src/Display.cpp b/services/surfaceflinger/CompositionEngine/src/Display.cpp
index ae1336ec9d..2f2c686805 100644
--- a/services/surfaceflinger/CompositionEngine/src/Display.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Display.cpp
@@ -229,7 +229,8 @@ void Display::chooseCompositionStrategy() {
     auto& hwc = getCompositionEngine().getHwComposer();
     if (status_t result =
                 hwc.getDeviceCompositionChanges(*halDisplayId, anyLayersRequireClientComposition(),
-                                                getState().earliestPresentTime, &changes);
+                                                getState().earliestPresentTime,
+                                                getState().previousPresentFence, &changes);
         result != NO_ERROR) {
         ALOGE("chooseCompositionStrategy failed for %s: %d (%s)", getName().c_str(), result,
               strerror(-result));
@@ -330,7 +331,8 @@ compositionengine::Output::FrameFences Display::presentAndGetFrameFences() {
     }
 
     auto& hwc = getCompositionEngine().getHwComposer();
-    hwc.presentAndGetReleaseFences(*halDisplayIdOpt, getState().earliestPresentTime);
+    hwc.presentAndGetReleaseFences(*halDisplayIdOpt, getState().earliestPresentTime,
+                                   getState().previousPresentFence);
 
     fences.presentFence = hwc.getPresentFence(*halDisplayIdOpt);
 
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 67bb1496e5..cafcb40e80 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -729,6 +729,7 @@ void Output::writeCompositionState(const compositionengine::CompositionRefreshAr
     }
 
     editState().earliestPresentTime = refreshArgs.earliestPresentTime;
+    editState().previousPresentFence = refreshArgs.previousPresentFence;
 
     compositionengine::OutputLayer* peekThroughLayer = nullptr;
     sp<GraphicBuffer> previousOverride = nullptr;
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
index e4e46a7cc9..56e9d27f14 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -216,8 +216,18 @@ Rect OutputLayer::calculateOutputDisplayFrame() const {
 
     // reduce uses a FloatRect to provide more accuracy during the
     // transformation. We then round upon constructing 'frame'.
-    Rect frame{
-            layerTransform.transform(reduce(layerState.geomLayerBounds, activeTransparentRegion))};
+    FloatRect geomLayerBounds = layerState.geomLayerBounds;
+
+    // Some HWCs may clip client composited input to its displayFrame. Make sure
+    // that this does not cut off the shadow.
+    if (layerState.forceClientComposition && layerState.shadowRadius > 0.0f) {
+        const auto outset = layerState.shadowRadius;
+        geomLayerBounds.left -= outset;
+        geomLayerBounds.top -= outset;
+        geomLayerBounds.right += outset;
+        geomLayerBounds.bottom += outset;
+    }
+    Rect frame{layerTransform.transform(reduce(geomLayerBounds, activeTransparentRegion))};
     if (!frame.intersect(outputState.layerStackSpace.content, &frame)) {
         frame.clear();
     }
diff --git a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
index acc7ed218e..c1cd5ab5fd 100644
--- a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
@@ -175,7 +175,7 @@ void CachedSet::render(renderengine::RenderEngine& renderEngine, TexturePool& te
     LayerFE::ClientCompositionTargetSettings targetSettings{
             .clip = Region(viewport),
             .needsFiltering = false,
-            .isSecure = true,
+            .isSecure = outputState.isSecure,
             .supportsProtectedContent = false,
             .clearRegion = clearRegion,
             .viewport = viewport,
@@ -218,6 +218,7 @@ void CachedSet::render(renderengine::RenderEngine& renderEngine, TexturePool& te
     }
 
     renderengine::LayerSettings holePunchSettings;
+    renderengine::LayerSettings holePunchBackgroundSettings;
     if (mHolePunchLayer) {
         auto clientCompositionList =
                 mHolePunchLayer->getOutputLayer()->getLayerFE().prepareClientCompositionList(
@@ -232,6 +233,15 @@ void CachedSet::render(renderengine::RenderEngine& renderEngine, TexturePool& te
         holePunchSettings.alpha = 0.0f;
         holePunchSettings.name = std::string("hole punch layer");
         layerSettingsPointers.push_back(&holePunchSettings);
+
+        // Add a solid background as the first layer in case there is no opaque
+        // buffer behind the punch hole
+        holePunchBackgroundSettings.alpha = 1.0f;
+        holePunchBackgroundSettings.name = std::string("holePunchBackground");
+        holePunchBackgroundSettings.geometry.boundaries = holePunchSettings.geometry.boundaries;
+        holePunchBackgroundSettings.geometry.positionTransform =
+                holePunchSettings.geometry.positionTransform;
+        layerSettingsPointers.insert(layerSettingsPointers.begin(), &holePunchBackgroundSettings);
     }
 
     if (sDebugHighlighLayers) {
@@ -295,9 +305,7 @@ bool CachedSet::requiresHolePunch() const {
         return false;
     }
 
-    // Do not use a hole punch with an HDR layer; this should be done in client
-    // composition to properly mix HDR with SDR.
-    if (hasHdrLayers()) {
+    if (hasUnsupportedDataspace()) {
         return false;
     }
 
@@ -352,9 +360,22 @@ compositionengine::OutputLayer* CachedSet::getBlurLayer() const {
     return mBlurLayer ? mBlurLayer->getOutputLayer() : nullptr;
 }
 
-bool CachedSet::hasHdrLayers() const {
-    return std::any_of(mLayers.cbegin(), mLayers.cend(),
-                       [](const Layer& layer) { return layer.getState()->isHdr(); });
+bool CachedSet::hasUnsupportedDataspace() const {
+    return std::any_of(mLayers.cbegin(), mLayers.cend(), [](const Layer& layer) {
+        auto dataspace = layer.getState()->getDataspace();
+        const auto transfer = static_cast<ui::Dataspace>(dataspace & ui::Dataspace::TRANSFER_MASK);
+        if (transfer == ui::Dataspace::TRANSFER_ST2084 || transfer == ui::Dataspace::TRANSFER_HLG) {
+            // Skip HDR.
+            return true;
+        }
+
+        if ((dataspace & HAL_DATASPACE_STANDARD_MASK) == HAL_DATASPACE_STANDARD_BT601_625) {
+            // RenderEngine does not match some DPUs, so skip
+            // to avoid flickering/color differences.
+            return true;
+        }
+        return false;
+    });
 }
 
 bool CachedSet::hasProtectedLayers() const {
@@ -378,10 +399,14 @@ void CachedSet::dump(std::string& result) const {
     if (mLayers.size() == 1) {
         base::StringAppendF(&result, "    Layer [%s]\n", mLayers[0].getName().c_str());
         base::StringAppendF(&result, "    Buffer %p", mLayers[0].getBuffer().get());
+        base::StringAppendF(&result, "    Protected [%s]",
+                            mLayers[0].getState()->isProtected() ? "true" : "false");
     } else {
         result.append("    Cached set of:");
         for (const Layer& layer : mLayers) {
             base::StringAppendF(&result, "\n      Layer [%s]", layer.getName().c_str());
+            base::StringAppendF(&result, "\n      Protected [%s]",
+                                layer.getState()->isProtected() ? "true" : "false");
         }
     }
 
diff --git a/services/surfaceflinger/CompositionEngine/src/planner/Flattener.cpp b/services/surfaceflinger/CompositionEngine/src/planner/Flattener.cpp
index 2bcaf60f3f..f033279caa 100644
--- a/services/surfaceflinger/CompositionEngine/src/planner/Flattener.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/planner/Flattener.cpp
@@ -420,7 +420,7 @@ std::vector<Flattener::Run> Flattener::findCandidateRuns(time_point now) const {
         const bool layerIsInactive = now - currentSet->getLastUpdate() > mActiveLayerTimeout;
         const bool layerHasBlur = currentSet->hasBlurBehind();
         if (layerIsInactive && (firstLayer || runHasFirstLayer || !layerHasBlur) &&
-            !currentSet->hasHdrLayers() && !currentSet->hasProtectedLayers()) {
+            !currentSet->hasUnsupportedDataspace()) {
             if (isPartOfRun) {
                 builder.append(currentSet->getLayerCount());
             } else {
@@ -491,6 +491,14 @@ void Flattener::buildCachedSets(time_point now) {
         return;
     }
 
+    for (const CachedSet& layer : mLayers) {
+        // TODO (b/191997217): make it less aggressive, and sync with findCandidateRuns
+        if (layer.hasProtectedLayers()) {
+            ATRACE_NAME("layer->hasProtectedLayers()");
+            return;
+        }
+    }
+
     std::vector<Run> runs = findCandidateRuns(now);
 
     std::optional<Run> bestRun = findBestRun(runs);
diff --git a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
index db9437b9a8..c037cc6173 100644
--- a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
@@ -579,7 +579,7 @@ TEST_F(DisplayChooseCompositionStrategyTest, takesEarlyOutIfGpuDisplay) {
 TEST_F(DisplayChooseCompositionStrategyTest, takesEarlyOutOnHwcError) {
     EXPECT_CALL(*mDisplay, anyLayersRequireClientComposition()).WillOnce(Return(false));
     EXPECT_CALL(mHwComposer,
-                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), false, _, _))
+                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), false, _, _, _))
             .WillOnce(Return(INVALID_OPERATION));
 
     mDisplay->chooseCompositionStrategy();
@@ -602,7 +602,7 @@ TEST_F(DisplayChooseCompositionStrategyTest, normalOperation) {
             .WillOnce(Return(false));
 
     EXPECT_CALL(mHwComposer,
-                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), true, _, _))
+                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), true, _, _, _))
             .WillOnce(Return(NO_ERROR));
     EXPECT_CALL(*mDisplay, allLayersRequireClientComposition()).WillOnce(Return(false));
 
@@ -633,8 +633,8 @@ TEST_F(DisplayChooseCompositionStrategyTest, normalOperationWithChanges) {
             .WillOnce(Return(false));
 
     EXPECT_CALL(mHwComposer,
-                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), true, _, _))
-            .WillOnce(DoAll(SetArgPointee<3>(changes), Return(NO_ERROR)));
+                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), true, _, _, _))
+            .WillOnce(DoAll(SetArgPointee<4>(changes), Return(NO_ERROR)));
     EXPECT_CALL(*mDisplay, applyChangedTypesToLayers(changes.changedTypes)).Times(1);
     EXPECT_CALL(*mDisplay, applyDisplayRequests(changes.displayRequests)).Times(1);
     EXPECT_CALL(*mDisplay, applyLayerRequestsToLayers(changes.layerRequests)).Times(1);
@@ -844,7 +844,7 @@ TEST_F(DisplayPresentAndGetFrameFencesTest, returnsPresentAndLayerFences) {
     sp<Fence> layer1Fence = new Fence();
     sp<Fence> layer2Fence = new Fence();
 
-    EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(HalDisplayId(DEFAULT_DISPLAY_ID), _))
+    EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(HalDisplayId(DEFAULT_DISPLAY_ID), _, _))
             .Times(1);
     EXPECT_CALL(mHwComposer, getPresentFence(HalDisplayId(DEFAULT_DISPLAY_ID)))
             .WillOnce(Return(presentFence));
@@ -1020,7 +1020,7 @@ TEST_F(DisplayFunctionalTest, postFramebufferCriticalCallsAreOrdered) {
 
     mDisplay->editState().isEnabled = true;
 
-    EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(_, _));
+    EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(_, _, _));
     EXPECT_CALL(*mDisplaySurface, onFrameCommitted());
 
     mDisplay->postFramebuffer();
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index 64cbea91a3..a195e5808a 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -52,14 +52,16 @@ public:
                       std::optional<PhysicalDisplayId>));
     MOCK_METHOD2(allocatePhysicalDisplay, void(hal::HWDisplayId, PhysicalDisplayId));
     MOCK_METHOD1(createLayer, std::shared_ptr<HWC2::Layer>(HalDisplayId));
-    MOCK_METHOD4(getDeviceCompositionChanges,
+    MOCK_METHOD5(getDeviceCompositionChanges,
                  status_t(HalDisplayId, bool, std::chrono::steady_clock::time_point,
+                          const std::shared_ptr<FenceTime>&,
                           std::optional<android::HWComposer::DeviceRequestedChanges>*));
     MOCK_METHOD5(setClientTarget,
                  status_t(HalDisplayId, uint32_t, const sp<Fence>&, const sp<GraphicBuffer>&,
                           ui::Dataspace));
-    MOCK_METHOD2(presentAndGetReleaseFences,
-                 status_t(HalDisplayId, std::chrono::steady_clock::time_point));
+    MOCK_METHOD3(presentAndGetReleaseFences,
+                 status_t(HalDisplayId, std::chrono::steady_clock::time_point,
+                          const std::shared_ptr<FenceTime>&));
     MOCK_METHOD2(setPowerMode, status_t(PhysicalDisplayId, hal::PowerMode));
     MOCK_METHOD2(setActiveConfig, status_t(HalDisplayId, size_t));
     MOCK_METHOD2(setColorTransform, status_t(HalDisplayId, const mat4&));
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
index b738096479..fc8cb507c4 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
@@ -29,8 +29,10 @@ public:
     PowerAdvisor();
     ~PowerAdvisor() override;
 
+    MOCK_METHOD0(init, void());
     MOCK_METHOD0(onBootFinished, void());
     MOCK_METHOD2(setExpensiveRenderingExpected, void(DisplayId displayId, bool expected));
+    MOCK_METHOD0(isUsingExpensiveRendering, bool());
     MOCK_METHOD0(notifyDisplayUpdateImminent, void());
 };
 
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
index e9ecf3ecc5..c8c6012ef9 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -324,6 +324,27 @@ TEST_F(OutputLayerDisplayFrameTest, outputTransformAffectsDisplayFrame) {
     EXPECT_THAT(calculateOutputDisplayFrame(), expected);
 }
 
+TEST_F(OutputLayerDisplayFrameTest, shadowExpandsDisplayFrame) {
+    const int kShadowRadius = 5;
+    mLayerFEState.shadowRadius = kShadowRadius;
+    mLayerFEState.forceClientComposition = true;
+
+    mLayerFEState.geomLayerBounds = FloatRect{100.f, 100.f, 200.f, 200.f};
+    Rect expected{mLayerFEState.geomLayerBounds};
+    expected.inset(-kShadowRadius, -kShadowRadius, -kShadowRadius, -kShadowRadius);
+    EXPECT_THAT(calculateOutputDisplayFrame(), expected);
+}
+
+TEST_F(OutputLayerDisplayFrameTest, shadowExpandsDisplayFrame_onlyIfForcingClientComposition) {
+    const int kShadowRadius = 5;
+    mLayerFEState.shadowRadius = kShadowRadius;
+    mLayerFEState.forceClientComposition = false;
+
+    mLayerFEState.geomLayerBounds = FloatRect{100.f, 100.f, 200.f, 200.f};
+    Rect expected{mLayerFEState.geomLayerBounds};
+    EXPECT_THAT(calculateOutputDisplayFrame(), expected);
+}
+
 /*
  * OutputLayer::calculateOutputRelativeBufferTransform()
  */
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index 742b155c9f..ee73cfc0c1 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -3487,7 +3487,7 @@ TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifDisplayIsNotSecure)
     mLayer2.mLayerFEState.hasProtectedContent = true;
     EXPECT_CALL(mRenderEngine, supportsProtectedContent()).WillRepeatedly(Return(true));
     EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(true));
-    EXPECT_CALL(mRenderEngine, useProtectedContext(false)).WillOnce(Return(true));
+    EXPECT_CALL(mRenderEngine, useProtectedContext(false));
 
     mOutput.composeSurfaces(kDebugRegion, kDefaultRefreshArgs);
 }
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
index 0acc31765a..ec81322afa 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
@@ -51,6 +51,15 @@ MATCHER_P(ClientCompositionTargetSettingsBlurSettingsEq, expectedBlurSetting, ""
 
     return expectedBlurSetting == arg.blurSetting;
 }
+
+MATCHER_P(ClientCompositionTargetSettingsSecureEq, expectedSecureSetting, "") {
+    *result_listener << "ClientCompositionTargetSettings' SecureSettings aren't equal \n";
+    *result_listener << "expected " << expectedSecureSetting << "\n";
+    *result_listener << "actual " << arg.isSecure << "\n";
+
+    return expectedSecureSetting == arg.isSecure;
+}
+
 static const ui::Size kOutputSize = ui::Size(1, 1);
 
 class CachedSetTest : public testing::Test {
@@ -315,7 +324,7 @@ TEST_F(CachedSetTest, updateAge_BufferUpdate) {
     EXPECT_EQ(0u, cachedSet.getAge());
 }
 
-TEST_F(CachedSetTest, render) {
+TEST_F(CachedSetTest, renderUnsecureOutput) {
     // Skip the 0th layer to ensure that the bounding box of the layers is offset from (0, 0)
     CachedSet::Layer& layer1 = *mTestLayers[1]->cachedSetLayer.get();
     sp<mock::LayerFE> layerFE1 = mTestLayers[1]->layerFE;
@@ -348,14 +357,71 @@ TEST_F(CachedSetTest, render) {
         return NO_ERROR;
     };
 
-    EXPECT_CALL(*layerFE1, prepareClientCompositionList(_)).WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2, prepareClientCompositionList(_)).WillOnce(Return(clientCompList2));
+    EXPECT_CALL(*layerFE1,
+                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(false)))
+            .WillOnce(Return(clientCompList1));
+    EXPECT_CALL(*layerFE2,
+                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(false)))
+            .WillOnce(Return(clientCompList2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _, _)).WillOnce(Invoke(drawLayers));
+    mOutputState.isSecure = false;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState);
     expectReadyBuffer(cachedSet);
 
     EXPECT_EQ(mOutputState.framebufferSpace, cachedSet.getOutputSpace());
-    EXPECT_EQ(mOutputState.framebufferSpace.content, cachedSet.getTextureBounds());
+    EXPECT_EQ(Rect(kOutputSize.width, kOutputSize.height), cachedSet.getTextureBounds());
+
+    // Now check that appending a new cached set properly cleans up RenderEngine resources.
+    CachedSet::Layer& layer3 = *mTestLayers[2]->cachedSetLayer.get();
+    cachedSet.append(CachedSet(layer3));
+}
+
+TEST_F(CachedSetTest, renderSecureOutput) {
+    // Skip the 0th layer to ensure that the bounding box of the layers is offset from (0, 0)
+    CachedSet::Layer& layer1 = *mTestLayers[1]->cachedSetLayer.get();
+    sp<mock::LayerFE> layerFE1 = mTestLayers[1]->layerFE;
+    CachedSet::Layer& layer2 = *mTestLayers[2]->cachedSetLayer.get();
+    sp<mock::LayerFE> layerFE2 = mTestLayers[2]->layerFE;
+
+    CachedSet cachedSet(layer1);
+    cachedSet.append(CachedSet(layer2));
+
+    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
+    clientCompList1.push_back({});
+    clientCompList1[0].alpha = 0.5f;
+
+    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
+    clientCompList2.push_back({});
+    clientCompList2[0].alpha = 0.75f;
+
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<const renderengine::LayerSettings*>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&, base::unique_fd*) -> size_t {
+        EXPECT_EQ(mOutputState.framebufferSpace.content, displaySettings.physicalDisplay);
+        EXPECT_EQ(mOutputState.layerStackSpace.content, displaySettings.clip);
+        EXPECT_EQ(ui::Transform::toRotationFlags(mOutputState.framebufferSpace.orientation),
+                  displaySettings.orientation);
+        EXPECT_EQ(0.5f, layers[0]->alpha);
+        EXPECT_EQ(0.75f, layers[1]->alpha);
+        EXPECT_EQ(ui::Dataspace::SRGB, displaySettings.outputDataspace);
+
+        return NO_ERROR;
+    };
+
+    EXPECT_CALL(*layerFE1,
+                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(true)))
+            .WillOnce(Return(clientCompList1));
+    EXPECT_CALL(*layerFE2,
+                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(true)))
+            .WillOnce(Return(clientCompList2));
+    EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _, _)).WillOnce(Invoke(drawLayers));
+    mOutputState.isSecure = true;
+    cachedSet.render(mRenderEngine, mTexturePool, mOutputState);
+    expectReadyBuffer(cachedSet);
+
+    EXPECT_EQ(mOutputState.framebufferSpace, cachedSet.getOutputSpace());
+    EXPECT_EQ(Rect(kOutputSize.width, kOutputSize.height), cachedSet.getTextureBounds());
 
     // Now check that appending a new cached set properly cleans up RenderEngine resources.
     CachedSet::Layer& layer3 = *mTestLayers[2]->cachedSetLayer.get();
@@ -457,6 +523,20 @@ TEST_F(CachedSetTest, holePunch_requiresNonHdr) {
     EXPECT_FALSE(cachedSet.requiresHolePunch());
 }
 
+TEST_F(CachedSetTest, holePunch_requiresNonBT601_625) {
+    mTestLayers[0]->outputLayerCompositionState.dataspace = ui::Dataspace::STANDARD_BT601_625;
+    mTestLayers[0]->layerState->update(&mTestLayers[0]->outputLayer);
+
+    CachedSet::Layer& layer = *mTestLayers[0]->cachedSetLayer.get();
+    mTestLayers[0]->layerFECompositionState.buffer = sp<GraphicBuffer>::make();
+    sp<mock::LayerFE> layerFE = mTestLayers[0]->layerFE;
+
+    CachedSet cachedSet(layer);
+    EXPECT_CALL(*layerFE, hasRoundedCorners()).WillRepeatedly(Return(true));
+
+    EXPECT_FALSE(cachedSet.requiresHolePunch());
+}
+
 TEST_F(CachedSetTest, requiresHolePunch) {
     CachedSet::Layer& layer = *mTestLayers[0]->cachedSetLayer.get();
     mTestLayers[0]->layerFECompositionState.buffer = sp<GraphicBuffer>::make();
@@ -576,12 +656,22 @@ TEST_F(CachedSetTest, addHolePunch) {
                                 base::unique_fd&&, base::unique_fd*) -> size_t {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
-        EXPECT_GE(layers.size(), 3u);
-        const auto* holePunchSettings = layers[2];
-        EXPECT_EQ(nullptr, holePunchSettings->source.buffer.buffer);
-        EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchSettings->source.solidColor);
-        EXPECT_TRUE(holePunchSettings->disableBlending);
-        EXPECT_EQ(0.0f, holePunchSettings->alpha);
+        EXPECT_GE(layers.size(), 4u);
+        {
+            const auto* holePunchSettings = layers[3];
+            EXPECT_EQ(nullptr, holePunchSettings->source.buffer.buffer);
+            EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchSettings->source.solidColor);
+            EXPECT_TRUE(holePunchSettings->disableBlending);
+            EXPECT_EQ(0.0f, holePunchSettings->alpha);
+        }
+
+        {
+            const auto* holePunchBackgroundSettings = layers[0];
+            EXPECT_EQ(nullptr, holePunchBackgroundSettings->source.buffer.buffer);
+            EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchBackgroundSettings->source.solidColor);
+            EXPECT_FALSE(holePunchBackgroundSettings->disableBlending);
+            EXPECT_EQ(1.0f, holePunchBackgroundSettings->alpha);
+        }
 
         return NO_ERROR;
     };
@@ -626,12 +716,23 @@ TEST_F(CachedSetTest, addHolePunch_noBuffer) {
                                 base::unique_fd&&, base::unique_fd*) -> size_t {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
-        EXPECT_GE(layers.size(), 3u);
-        const auto* holePunchSettings = layers[2];
-        EXPECT_EQ(nullptr, holePunchSettings->source.buffer.buffer);
-        EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchSettings->source.solidColor);
-        EXPECT_TRUE(holePunchSettings->disableBlending);
-        EXPECT_EQ(0.0f, holePunchSettings->alpha);
+        EXPECT_GE(layers.size(), 4u);
+
+        {
+            const auto* holePunchSettings = layers[3];
+            EXPECT_EQ(nullptr, holePunchSettings->source.buffer.buffer);
+            EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchSettings->source.solidColor);
+            EXPECT_TRUE(holePunchSettings->disableBlending);
+            EXPECT_EQ(0.0f, holePunchSettings->alpha);
+        }
+
+        {
+            const auto* holePunchBackgroundSettings = layers[0];
+            EXPECT_EQ(nullptr, holePunchBackgroundSettings->source.buffer.buffer);
+            EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchBackgroundSettings->source.solidColor);
+            EXPECT_FALSE(holePunchBackgroundSettings->disableBlending);
+            EXPECT_EQ(1.0f, holePunchBackgroundSettings->alpha);
+        }
 
         return NO_ERROR;
     };
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
index 334b855c22..f5cfd2f115 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
@@ -937,5 +937,152 @@ TEST_F(FlattenerRenderSchedulingTest, flattenLayers_renderCachedSets_defersUpToM
                                          (kCachedSetRenderDuration + 10ms));
 }
 
+TEST_F(FlattenerTest, flattenLayers_skipsBT601_625) {
+    auto& layerState1 = mTestLayers[0]->layerState;
+    const auto& overrideBuffer1 = layerState1->getOutputLayer()->getState().overrideInfo.buffer;
+
+    auto& layerState2 = mTestLayers[1]->layerState;
+    const auto& overrideBuffer2 = layerState2->getOutputLayer()->getState().overrideInfo.buffer;
+
+    // The third layer uses a dataspace that will not be flattened due to
+    // possible mismatch with DPU rendering.
+    auto& layerState3 = mTestLayers[2]->layerState;
+    const auto& overrideBuffer3 = layerState3->getOutputLayer()->getState().overrideInfo.buffer;
+    mTestLayers[2]->outputLayerCompositionState.dataspace = ui::Dataspace::STANDARD_BT601_625;
+    mTestLayers[2]->layerState->update(&mTestLayers[2]->outputLayer);
+
+    const std::vector<const LayerState*> layers = {
+            layerState1.get(),
+            layerState2.get(),
+            layerState3.get(),
+    };
+
+    initializeFlattener(layers);
+
+    mTime += 200ms;
+    initializeOverrideBuffer(layers);
+    EXPECT_EQ(getNonBufferHash(layers),
+              mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
+
+    // This will render a CachedSet.
+    EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _, _)).WillOnce(Return(NO_ERROR));
+    mFlattener->renderCachedSets(mOutputState, std::nullopt);
+
+    // We've rendered a CachedSet, but we haven't merged it in.
+    EXPECT_EQ(nullptr, overrideBuffer1);
+    EXPECT_EQ(nullptr, overrideBuffer2);
+    EXPECT_EQ(nullptr, overrideBuffer3);
+
+    // This time we merge the CachedSet in, so we have a new hash, and we should
+    // only have two sets.
+    EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _, _)).Times(0);
+    initializeOverrideBuffer(layers);
+    EXPECT_NE(getNonBufferHash(layers),
+              mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
+    mFlattener->renderCachedSets(mOutputState, std::nullopt);
+
+    EXPECT_NE(nullptr, overrideBuffer1);
+    EXPECT_EQ(overrideBuffer1, overrideBuffer2);
+    EXPECT_EQ(nullptr, overrideBuffer3);
+}
+
+TEST_F(FlattenerTest, flattenLayers_skipsHDR) {
+    auto& layerState1 = mTestLayers[0]->layerState;
+    const auto& overrideBuffer1 = layerState1->getOutputLayer()->getState().overrideInfo.buffer;
+
+    auto& layerState2 = mTestLayers[1]->layerState;
+    const auto& overrideBuffer2 = layerState2->getOutputLayer()->getState().overrideInfo.buffer;
+
+    // The third layer uses a dataspace that will not be flattened due to
+    // possible mismatch with DPU rendering.
+    auto& layerState3 = mTestLayers[2]->layerState;
+    const auto& overrideBuffer3 = layerState3->getOutputLayer()->getState().overrideInfo.buffer;
+    mTestLayers[2]->outputLayerCompositionState.dataspace = ui::Dataspace::BT2020_ITU_HLG;
+    mTestLayers[2]->layerState->update(&mTestLayers[2]->outputLayer);
+
+    const std::vector<const LayerState*> layers = {
+            layerState1.get(),
+            layerState2.get(),
+            layerState3.get(),
+    };
+
+    initializeFlattener(layers);
+
+    mTime += 200ms;
+    initializeOverrideBuffer(layers);
+    EXPECT_EQ(getNonBufferHash(layers),
+              mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
+
+    // This will render a CachedSet.
+    EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _, _)).WillOnce(Return(NO_ERROR));
+    mFlattener->renderCachedSets(mOutputState, std::nullopt);
+
+    // We've rendered a CachedSet, but we haven't merged it in.
+    EXPECT_EQ(nullptr, overrideBuffer1);
+    EXPECT_EQ(nullptr, overrideBuffer2);
+    EXPECT_EQ(nullptr, overrideBuffer3);
+
+    // This time we merge the CachedSet in, so we have a new hash, and we should
+    // only have two sets.
+    EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _, _)).Times(0);
+    initializeOverrideBuffer(layers);
+    EXPECT_NE(getNonBufferHash(layers),
+              mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
+    mFlattener->renderCachedSets(mOutputState, std::nullopt);
+
+    EXPECT_NE(nullptr, overrideBuffer1);
+    EXPECT_EQ(overrideBuffer1, overrideBuffer2);
+    EXPECT_EQ(nullptr, overrideBuffer3);
+}
+
+TEST_F(FlattenerTest, flattenLayers_skipsHDR2) {
+    auto& layerState1 = mTestLayers[0]->layerState;
+    const auto& overrideBuffer1 = layerState1->getOutputLayer()->getState().overrideInfo.buffer;
+
+    auto& layerState2 = mTestLayers[1]->layerState;
+    const auto& overrideBuffer2 = layerState2->getOutputLayer()->getState().overrideInfo.buffer;
+
+    // The third layer uses a dataspace that will not be flattened due to
+    // possible mismatch with DPU rendering.
+    auto& layerState3 = mTestLayers[2]->layerState;
+    const auto& overrideBuffer3 = layerState3->getOutputLayer()->getState().overrideInfo.buffer;
+    mTestLayers[2]->outputLayerCompositionState.dataspace = ui::Dataspace::BT2020_PQ;
+    mTestLayers[2]->layerState->update(&mTestLayers[2]->outputLayer);
+
+    const std::vector<const LayerState*> layers = {
+            layerState1.get(),
+            layerState2.get(),
+            layerState3.get(),
+    };
+
+    initializeFlattener(layers);
+
+    mTime += 200ms;
+    initializeOverrideBuffer(layers);
+    EXPECT_EQ(getNonBufferHash(layers),
+              mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
+
+    // This will render a CachedSet.
+    EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _, _)).WillOnce(Return(NO_ERROR));
+    mFlattener->renderCachedSets(mOutputState, std::nullopt);
+
+    // We've rendered a CachedSet, but we haven't merged it in.
+    EXPECT_EQ(nullptr, overrideBuffer1);
+    EXPECT_EQ(nullptr, overrideBuffer2);
+    EXPECT_EQ(nullptr, overrideBuffer3);
+
+    // This time we merge the CachedSet in, so we have a new hash, and we should
+    // only have two sets.
+    EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _, _)).Times(0);
+    initializeOverrideBuffer(layers);
+    EXPECT_NE(getNonBufferHash(layers),
+              mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
+    mFlattener->renderCachedSets(mOutputState, std::nullopt);
+
+    EXPECT_NE(nullptr, overrideBuffer1);
+    EXPECT_EQ(overrideBuffer1, overrideBuffer2);
+    EXPECT_EQ(nullptr, overrideBuffer3);
+}
+
 } // namespace
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 32f04e56bc..7e45dabdea 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -471,6 +471,7 @@ status_t HWComposer::setClientTarget(HalDisplayId displayId, uint32_t slot,
 status_t HWComposer::getDeviceCompositionChanges(
         HalDisplayId displayId, bool frameUsesClientComposition,
         std::chrono::steady_clock::time_point earliestPresentTime,
+        const std::shared_ptr<FenceTime>& previousPresentFence,
         std::optional<android::HWComposer::DeviceRequestedChanges>* outChanges) {
     ATRACE_CALL();
 
@@ -487,12 +488,16 @@ status_t HWComposer::getDeviceCompositionChanges(
 
     hal::Error error = hal::Error::NONE;
 
-    // First try to skip validate altogether when we passed the earliest time
-    // to present and there is no client. Otherwise, we may present a frame too
-    // early or in case of client composition we first need to render the
+    // First try to skip validate altogether. We can do that when
+    // 1. The previous frame has not been presented yet or already passed the
+    // earliest time to present. Otherwise, we may present a frame too early.
+    // 2. There is no client composition. Otherwise, we first need to render the
     // client target buffer.
-    const bool canSkipValidate =
-            std::chrono::steady_clock::now() >= earliestPresentTime && !frameUsesClientComposition;
+    const bool prevFencePending =
+            previousPresentFence->getSignalTime() == Fence::SIGNAL_TIME_PENDING;
+    const bool canPresentEarly =
+            !prevFencePending && std::chrono::steady_clock::now() < earliestPresentTime;
+    const bool canSkipValidate = !canPresentEarly && !frameUsesClientComposition;
     displayData.validateWasSkipped = false;
     if (canSkipValidate) {
         sp<Fence> outPresentFence;
@@ -559,7 +564,8 @@ sp<Fence> HWComposer::getLayerReleaseFence(HalDisplayId displayId, HWC2::Layer*
 }
 
 status_t HWComposer::presentAndGetReleaseFences(
-        HalDisplayId displayId, std::chrono::steady_clock::time_point earliestPresentTime) {
+        HalDisplayId displayId, std::chrono::steady_clock::time_point earliestPresentTime,
+        const std::shared_ptr<FenceTime>& previousPresentFence) {
     ATRACE_CALL();
 
     RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX);
@@ -575,7 +581,9 @@ status_t HWComposer::presentAndGetReleaseFences(
         return NO_ERROR;
     }
 
-    {
+    const bool previousFramePending =
+            previousPresentFence->getSignalTime() == Fence::SIGNAL_TIME_PENDING;
+    if (!previousFramePending) {
         ATRACE_NAME("wait for earliest present time");
         std::this_thread::sleep_until(earliestPresentTime);
     }
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index cd6f9f516f..b1849e8c11 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -27,7 +27,7 @@
 #include <vector>
 
 #include <android-base/thread_annotations.h>
-#include <ui/Fence.h>
+#include <ui/FenceTime.h>
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
@@ -134,6 +134,7 @@ public:
     virtual status_t getDeviceCompositionChanges(
             HalDisplayId, bool frameUsesClientComposition,
             std::chrono::steady_clock::time_point earliestPresentTime,
+            const std::shared_ptr<FenceTime>& previousPresentFence,
             std::optional<DeviceRequestedChanges>* outChanges) = 0;
 
     virtual status_t setClientTarget(HalDisplayId, uint32_t slot, const sp<Fence>& acquireFence,
@@ -141,7 +142,8 @@ public:
 
     // Present layers to the display and read releaseFences.
     virtual status_t presentAndGetReleaseFences(
-            HalDisplayId, std::chrono::steady_clock::time_point earliestPresentTime) = 0;
+            HalDisplayId, std::chrono::steady_clock::time_point earliestPresentTime,
+            const std::shared_ptr<FenceTime>& previousPresentFence) = 0;
 
     // set power mode
     virtual status_t setPowerMode(PhysicalDisplayId, hal::PowerMode) = 0;
@@ -275,6 +277,7 @@ public:
     status_t getDeviceCompositionChanges(
             HalDisplayId, bool frameUsesClientComposition,
             std::chrono::steady_clock::time_point earliestPresentTime,
+            const std::shared_ptr<FenceTime>& previousPresentFence,
             std::optional<DeviceRequestedChanges>* outChanges) override;
 
     status_t setClientTarget(HalDisplayId, uint32_t slot, const sp<Fence>& acquireFence,
@@ -282,7 +285,8 @@ public:
 
     // Present layers to the display and read releaseFences.
     status_t presentAndGetReleaseFences(
-            HalDisplayId, std::chrono::steady_clock::time_point earliestPresentTime) override;
+            HalDisplayId, std::chrono::steady_clock::time_point earliestPresentTime,
+            const std::shared_ptr<FenceTime>& previousPresentFence) override;
 
     // set power mode
     status_t setPowerMode(PhysicalDisplayId, hal::PowerMode mode) override;
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
index 901e19a6a2..1765caf847 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
@@ -32,6 +32,7 @@
 #include "../SurfaceFlingerProperties.h"
 
 #include "PowerAdvisor.h"
+#include "SurfaceFlinger.h"
 
 namespace android {
 namespace Hwc2 {
@@ -61,14 +62,22 @@ int32_t getUpdateTimeout() {
 
 } // namespace
 
-PowerAdvisor::PowerAdvisor()
-      : mUseUpdateImminentTimer(getUpdateTimeout() > 0),
-        mUpdateImminentTimer(
+PowerAdvisor::PowerAdvisor(SurfaceFlinger& flinger)
+      : mFlinger(flinger),
+        mUseScreenUpdateTimer(getUpdateTimeout() > 0),
+        mScreenUpdateTimer(
                 "UpdateImminentTimer", OneShotTimer::Interval(getUpdateTimeout()),
                 /* resetCallback */ [this] { mSendUpdateImminent.store(false); },
-                /* timeoutCallback */ [this] { mSendUpdateImminent.store(true); }) {
-    if (mUseUpdateImminentTimer) {
-        mUpdateImminentTimer.start();
+                /* timeoutCallback */
+                [this] {
+                    mSendUpdateImminent.store(true);
+                    mFlinger.disableExpensiveRendering();
+                }) {}
+
+void PowerAdvisor::init() {
+    // Defer starting the screen update timer until SurfaceFlinger finishes construction.
+    if (mUseScreenUpdateTimer) {
+        mScreenUpdateTimer.start();
     }
 }
 
@@ -122,8 +131,8 @@ void PowerAdvisor::notifyDisplayUpdateImminent() {
         }
     }
 
-    if (mUseUpdateImminentTimer) {
-        mUpdateImminentTimer.reset();
+    if (mUseScreenUpdateTimer) {
+        mScreenUpdateTimer.reset();
     }
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
index 95eb0e2bb7..f2d076691a 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
@@ -25,14 +25,20 @@
 #include "DisplayIdentification.h"
 
 namespace android {
+
+class SurfaceFlinger;
+
 namespace Hwc2 {
 
 class PowerAdvisor {
 public:
     virtual ~PowerAdvisor();
 
+    // Initializes resources that cannot be initialized on construction
+    virtual void init() = 0;
     virtual void onBootFinished() = 0;
     virtual void setExpensiveRenderingExpected(DisplayId displayId, bool expected) = 0;
+    virtual bool isUsingExpensiveRendering() = 0;
     virtual void notifyDisplayUpdateImminent() = 0;
 };
 
@@ -50,11 +56,13 @@ public:
         virtual bool notifyDisplayUpdateImminent() = 0;
     };
 
-    PowerAdvisor();
+    PowerAdvisor(SurfaceFlinger& flinger);
     ~PowerAdvisor() override;
 
+    void init() override;
     void onBootFinished() override;
     void setExpensiveRenderingExpected(DisplayId displayId, bool expected) override;
+    bool isUsingExpensiveRendering() override { return mNotifiedExpensiveRendering; }
     void notifyDisplayUpdateImminent() override;
 
 private:
@@ -67,9 +75,10 @@ private:
     std::unordered_set<DisplayId> mExpensiveDisplays;
     bool mNotifiedExpensiveRendering = false;
 
-    const bool mUseUpdateImminentTimer;
+    SurfaceFlinger& mFlinger;
+    const bool mUseScreenUpdateTimer;
     std::atomic_bool mSendUpdateImminent = true;
-    scheduler::OneShotTimer mUpdateImminentTimer;
+    scheduler::OneShotTimer mScreenUpdateTimer;
 };
 
 } // namespace impl
diff --git a/services/surfaceflinger/FrameTimeline/FrameTimeline.h b/services/surfaceflinger/FrameTimeline/FrameTimeline.h
index 15ecf130e7..139f91f3bc 100644
--- a/services/surfaceflinger/FrameTimeline/FrameTimeline.h
+++ b/services/surfaceflinger/FrameTimeline/FrameTimeline.h
@@ -96,7 +96,7 @@ struct JankClassificationThresholds {
     // The various thresholds for App and SF. If the actual timestamp falls within the threshold
     // compared to prediction, we treat it as on time.
     nsecs_t presentThreshold = std::chrono::duration_cast<std::chrono::nanoseconds>(2ms).count();
-    nsecs_t deadlineThreshold = std::chrono::duration_cast<std::chrono::nanoseconds>(2ms).count();
+    nsecs_t deadlineThreshold = std::chrono::duration_cast<std::chrono::nanoseconds>(0ms).count();
     nsecs_t startThreshold = std::chrono::duration_cast<std::chrono::nanoseconds>(2ms).count();
 };
 
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index ad31b3fcad..e4a777f3c7 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -177,6 +177,9 @@ Layer::~Layer() {
     if (mDrawingState.sidebandStream != nullptr) {
         mFlinger->mTunnelModeEnabledReporter->decrementTunnelModeCount();
     }
+    if (mHadClonedChild) {
+        mFlinger->mNumClones--;
+    }
 }
 
 LayerCreationArgs::LayerCreationArgs(SurfaceFlinger* flinger, sp<Client> client, std::string name,
@@ -254,6 +257,7 @@ void Layer::addToCurrentState() {
     if (mRemovedFromDrawingState) {
         mRemovedFromDrawingState = false;
         mFlinger->mScheduler->registerLayer(this);
+        mFlinger->removeFromOffscreenLayers(this);
     }
 
     for (const auto& child : mCurrentChildren) {
@@ -576,8 +580,8 @@ std::optional<compositionengine::LayerFE::LayerSettings> Layer::prepareClientCom
     layerSettings.geometry.positionTransform = getTransform().asMatrix4();
 
     // skip drawing content if the targetSettings indicate the content will be occluded
-    layerSettings.skipContentDraw =
-            layerSettings.skipContentDraw || !targetSettings.realContentIsVisible;
+    const bool drawContent = targetSettings.realContentIsVisible || targetSettings.clearContent;
+    layerSettings.skipContentDraw = !drawContent;
 
     if (hasColorTransform()) {
         layerSettings.colorTransform = getColorTransform();
@@ -847,6 +851,23 @@ bool Layer::setRelativeLayer(const sp<IBinder>& relativeToHandle, int32_t relati
     return true;
 }
 
+bool Layer::setTrustedOverlay(bool isTrustedOverlay) {
+    if (mDrawingState.isTrustedOverlay == isTrustedOverlay) return false;
+    mDrawingState.isTrustedOverlay = isTrustedOverlay;
+    mDrawingState.modified = true;
+    mFlinger->mInputInfoChanged = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::isTrustedOverlay() const {
+    if (getDrawingState().isTrustedOverlay) {
+        return true;
+    }
+    const auto& p = mDrawingParent.promote();
+    return (p != nullptr) && p->isTrustedOverlay();
+}
+
 bool Layer::setSize(uint32_t w, uint32_t h) {
     if (mDrawingState.requested_legacy.w == w && mDrawingState.requested_legacy.h == h)
         return false;
@@ -954,7 +975,6 @@ bool Layer::setTransparentRegionHint(const Region& transparent) {
 }
 
 bool Layer::setBlurRegions(const std::vector<BlurRegion>& blurRegions) {
-    mDrawingState.sequence++;
     mDrawingState.blurRegions = blurRegions;
     mDrawingState.modified = true;
     setTransactionFlags(eTransactionNeeded);
@@ -1097,46 +1117,59 @@ StretchEffect Layer::getStretchEffect() const {
     return StretchEffect{};
 }
 
-void Layer::updateTreeHasFrameRateVote() {
-    const auto traverseTree = [&](const LayerVector::Visitor& visitor) {
-        auto parent = getParent();
-        while (parent) {
-            visitor(parent.get());
-            parent = parent->getParent();
+bool Layer::propagateFrameRateForLayerTree(FrameRate parentFrameRate, bool* transactionNeeded) {
+    // The frame rate for layer tree is this layer's frame rate if present, or the parent frame rate
+    const auto frameRate = [&] {
+        if (mDrawingState.frameRate.rate.isValid() ||
+            mDrawingState.frameRate.type == FrameRateCompatibility::NoVote) {
+            return mDrawingState.frameRate;
         }
 
-        traverse(LayerVector::StateSet::Current, visitor);
-    };
-
-    // update parents and children about the vote
-    // First traverse the tree and count how many layers has votes.
-    int layersWithVote = 0;
-    traverseTree([&layersWithVote](Layer* layer) {
-        const auto layerVotedWithDefaultCompatibility =
-                layer->mDrawingState.frameRate.rate.isValid() &&
-                layer->mDrawingState.frameRate.type == FrameRateCompatibility::Default;
-        const auto layerVotedWithNoVote =
-                layer->mDrawingState.frameRate.type == FrameRateCompatibility::NoVote;
-        const auto layerVotedWithExactCompatibility =
-                layer->mDrawingState.frameRate.type == FrameRateCompatibility::Exact;
-
-        // We do not count layers that are ExactOrMultiple for the same reason
-        // we are allowing touch boost for those layers. See
-        // RefreshRateConfigs::getBestRefreshRate for more details.
-        if (layerVotedWithDefaultCompatibility || layerVotedWithNoVote ||
-            layerVotedWithExactCompatibility) {
-            layersWithVote++;
+        return parentFrameRate;
+    }();
+
+    *transactionNeeded |= setFrameRateForLayerTree(frameRate);
+
+    // The frame rate is propagated to the children
+    bool childrenHaveFrameRate = false;
+    for (const sp<Layer>& child : mCurrentChildren) {
+        childrenHaveFrameRate |=
+                child->propagateFrameRateForLayerTree(frameRate, transactionNeeded);
+    }
+
+    // If we don't have a valid frame rate, but the children do, we set this
+    // layer as NoVote to allow the children to control the refresh rate
+    if (!frameRate.rate.isValid() && frameRate.type != FrameRateCompatibility::NoVote &&
+        childrenHaveFrameRate) {
+        *transactionNeeded |=
+                setFrameRateForLayerTree(FrameRate(Fps(0.0f), FrameRateCompatibility::NoVote));
+    }
+
+    // We return whether this layer ot its children has a vote. We ignore ExactOrMultiple votes for
+    // the same reason we are allowing touch boost for those layers. See
+    // RefreshRateConfigs::getBestRefreshRate for more details.
+    const auto layerVotedWithDefaultCompatibility =
+            frameRate.rate.isValid() && frameRate.type == FrameRateCompatibility::Default;
+    const auto layerVotedWithNoVote = frameRate.type == FrameRateCompatibility::NoVote;
+    const auto layerVotedWithExactCompatibility =
+            frameRate.rate.isValid() && frameRate.type == FrameRateCompatibility::Exact;
+    return layerVotedWithDefaultCompatibility || layerVotedWithNoVote ||
+            layerVotedWithExactCompatibility || childrenHaveFrameRate;
+}
+
+void Layer::updateTreeHasFrameRateVote() {
+    const auto root = [&]() -> sp<Layer> {
+        sp<Layer> layer = this;
+        while (auto parent = layer->getParent()) {
+            layer = parent;
         }
-    });
+        return layer;
+    }();
 
-    // Now we can update the tree frame rate vote for each layer in the tree
-    const bool treeHasFrameRateVote = layersWithVote > 0;
     bool transactionNeeded = false;
+    root->propagateFrameRateForLayerTree({}, &transactionNeeded);
 
-    traverseTree([treeHasFrameRateVote, &transactionNeeded](Layer* layer) {
-        transactionNeeded = layer->updateFrameRateForLayerTree(treeHasFrameRateVote);
-    });
-
+    // TODO(b/195668952): we probably don't need eTraversalNeeded here
     if (transactionNeeded) {
         mFlinger->setTransactionFlags(eTraversalNeeded);
     }
@@ -1263,42 +1296,23 @@ std::shared_ptr<frametimeline::SurfaceFrame> Layer::createSurfaceFrameForBuffer(
     return surfaceFrame;
 }
 
-bool Layer::updateFrameRateForLayerTree(bool treeHasFrameRateVote) {
-    const auto updateDrawingState = [&](FrameRate frameRate) {
-        if (mDrawingState.frameRateForLayerTree == frameRate) {
-            return false;
-        }
-
-        mDrawingState.frameRateForLayerTree = frameRate;
-        mDrawingState.sequence++;
-        mDrawingState.modified = true;
-        setTransactionFlags(eTransactionNeeded);
-
-        mFlinger->mScheduler->recordLayerHistory(this, systemTime(),
-                                                 LayerHistory::LayerUpdateType::SetFrameRate);
-
-        return true;
-    };
-
-    const auto frameRate = mDrawingState.frameRate;
-    if (frameRate.rate.isValid() || frameRate.type == FrameRateCompatibility::NoVote) {
-        return updateDrawingState(frameRate);
+bool Layer::setFrameRateForLayerTree(FrameRate frameRate) {
+    if (mDrawingState.frameRateForLayerTree == frameRate) {
+        return false;
     }
 
-    // This layer doesn't have a frame rate. Check if its ancestors have a vote
-    for (sp<Layer> parent = getParent(); parent; parent = parent->getParent()) {
-        if (parent->mDrawingState.frameRate.rate.isValid()) {
-            return updateDrawingState(parent->mDrawingState.frameRate);
-        }
-    }
+    mDrawingState.frameRateForLayerTree = frameRate;
 
-    // This layer and its ancestors don't have a frame rate. If one of successors
-    // has a vote, return a NoVote for successors to set the vote
-    if (treeHasFrameRateVote) {
-        return updateDrawingState(FrameRate(Fps(0.0f), FrameRateCompatibility::NoVote));
-    }
+    // TODO(b/195668952): we probably don't need to dirty visible regions here
+    // or even store frameRateForLayerTree in mDrawingState
+    mDrawingState.sequence++;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+
+    mFlinger->mScheduler->recordLayerHistory(this, systemTime(),
+                                             LayerHistory::LayerUpdateType::SetFrameRate);
 
-    return updateDrawingState(frameRate);
+    return true;
 }
 
 Layer::FrameRate Layer::getFrameRateForLayerTree() const {
@@ -2038,6 +2052,7 @@ void Layer::writeToProtoDrawingState(LayerProto* layerInfo, uint32_t traceFlags,
 
         layerInfo->set_corner_radius(getRoundedCornerState().radius);
         layerInfo->set_background_blur_radius(getBackgroundBlurRadius());
+        layerInfo->set_is_trusted_overlay(isTrustedOverlay());
         LayerProtoHelper::writeToProto(transform, layerInfo->mutable_transform());
         LayerProtoHelper::writePositionToProto(transform.tx(), transform.ty(),
                                                [&]() { return layerInfo->mutable_position(); });
@@ -2324,6 +2339,11 @@ InputWindowInfo Layer::fillInputInfo(const sp<DisplayDevice>& display) {
                 toPhysicalDisplay.transform(Rect{cropLayer->mScreenBounds}));
     }
 
+    // Inherit the trusted state from the parent hierarchy, but don't clobber the trusted state
+    // if it was set by WM for a known system overlay
+    info.trustedOverlay = info.trustedOverlay || isTrustedOverlay();
+
+
     // If the layer is a clone, we need to crop the input region to cloned root to prevent
     // touches from going outside the cloned area.
     if (isClone()) {
@@ -2535,6 +2555,12 @@ bool Layer::getPrimaryDisplayOnly() const {
     return parent == nullptr ? false : parent->getPrimaryDisplayOnly();
 }
 
+void Layer::setClonedChild(const sp<Layer>& clonedChild) {
+    mClonedChild = clonedChild;
+    mHadClonedChild = true;
+    mFlinger->mNumClones++;
+}
+
 // ---------------------------------------------------------------------------
 
 std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate) {
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index ec9bb7c27f..59f5b0dc73 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -275,6 +275,9 @@ public:
         // Stretch effect to apply to this layer
         StretchEffect stretchEffect;
 
+        // Whether or not this layer is a trusted overlay for input
+        bool isTrustedOverlay;
+
         Rect bufferCrop;
         Rect destinationFrame;
     };
@@ -393,6 +396,7 @@ public:
     virtual bool setBackgroundBlurRadius(int backgroundBlurRadius);
     virtual bool setBlurRegions(const std::vector<BlurRegion>& effectRegions);
     virtual bool setTransparentRegionHint(const Region& transparent);
+    virtual bool setTrustedOverlay(bool);
     virtual bool setFlags(uint32_t flags, uint32_t mask);
     virtual bool setLayerStack(uint32_t layerStack);
     virtual uint32_t getLayerStack() const;
@@ -699,12 +703,6 @@ public:
     virtual uint32_t doTransaction(uint32_t transactionFlags);
 
     /*
-     * Called before updating the drawing state buffer. Used by BufferStateLayer to release any
-     * unlatched buffers in the drawing state.
-     */
-    virtual void bufferMayChange(const sp<GraphicBuffer>& /* newBuffer */){};
-
-    /*
      * Remove relative z for the layer if its relative parent is not part of the
      * provided layer tree.
      */
@@ -796,6 +794,11 @@ public:
     // for symmetry with Vector::remove
     ssize_t removeChild(const sp<Layer>& layer);
     sp<Layer> getParent() const { return mCurrentParent.promote(); }
+
+    // Should be called with the surfaceflinger statelock held
+    bool isAtRoot() const { return mIsAtRoot; }
+    void setIsAtRoot(bool isAtRoot) { mIsAtRoot = isAtRoot; }
+
     bool hasParent() const { return getParent() != nullptr; }
     Rect getScreenBounds(bool reduceTransparentRegion = true) const;
     bool setChildLayer(const sp<Layer>& childLayer, int32_t z);
@@ -863,6 +866,8 @@ public:
     // The layers in the cloned hierarchy will match the lifetime of the real layers. That is
     // if the real layer is destroyed, then the clone layer will also be destroyed.
     sp<Layer> mClonedChild;
+    bool mHadClonedChild = false;
+    void setClonedChild(const sp<Layer>& mClonedChild);
 
     mutable bool contentDirty{false};
     Region surfaceDamageRegion;
@@ -1042,7 +1047,10 @@ private:
                                           const std::vector<Layer*>& layersInTree);
 
     void updateTreeHasFrameRateVote();
+    bool propagateFrameRateForLayerTree(FrameRate parentFrameRate, bool* transactionNeeded);
+    bool setFrameRateForLayerTree(FrameRate);
     void setZOrderRelativeOf(const wp<Layer>& relativeOf);
+    bool isTrustedOverlay() const;
 
     // Find the root of the cloned hierarchy, this means the first non cloned parent.
     // This will return null if first non cloned parent is not found.
@@ -1059,8 +1067,6 @@ private:
     // Fills in the frame and transform info for the InputWindowInfo
     void fillInputFrameInfo(InputWindowInfo& info, const ui::Transform& toPhysicalDisplay);
 
-    bool updateFrameRateForLayerTree(bool treeHasFrameRateVote);
-
     // Cached properties computed from drawing state
     // Effective transform taking into account parent transforms and any parent scaling, which is
     // a transform from the current layer coordinate space to display(screen) coordinate space.
@@ -1101,6 +1107,8 @@ private:
 
     // A list of regions on this layer that should have blurs.
     const std::vector<BlurRegion> getBlurRegions() const;
+
+    bool mIsAtRoot = false;
 };
 
 std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate);
diff --git a/services/surfaceflinger/RefreshRateOverlay.cpp b/services/surfaceflinger/RefreshRateOverlay.cpp
index 663e62a2f5..27a1c280fb 100644
--- a/services/surfaceflinger/RefreshRateOverlay.cpp
+++ b/services/surfaceflinger/RefreshRateOverlay.cpp
@@ -197,6 +197,7 @@ bool RefreshRateOverlay::createLayer() {
     Mutex::Autolock _l(mFlinger.mStateLock);
     mLayer = mClient->getLayerUser(mIBinder);
     mLayer->setFrameRate(Layer::FrameRate(Fps(0.0f), Layer::FrameRateCompatibility::NoVote));
+    mLayer->setIsAtRoot(true);
 
     // setting Layer's Z requires resorting layersSortedByZ
     ssize_t idx = mFlinger.mDrawingState.layersSortedByZ.indexOf(mLayer);
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp
index 653aca6cde..aa2fec56ad 100644
--- a/services/surfaceflinger/RegionSamplingThread.cpp
+++ b/services/surfaceflinger/RegionSamplingThread.cpp
@@ -287,33 +287,12 @@ void RegionSamplingThread::captureSample() {
         descriptors.emplace_back(descriptor);
     }
 
-    auto dx = 0;
-    auto dy = 0;
-    switch (orientation) {
-        case ui::Transform::ROT_90:
-            dx = displaySize.getWidth();
-            break;
-        case ui::Transform::ROT_180:
-            dx = displaySize.getWidth();
-            dy = displaySize.getHeight();
-            break;
-        case ui::Transform::ROT_270:
-            dy = displaySize.getHeight();
-            break;
-        default:
-            break;
-    }
-
-    ui::Transform t(orientation);
-    auto screencapRegion = t.transform(sampleRegion);
-    screencapRegion = screencapRegion.translate(dx, dy);
-
     const Rect sampledBounds = sampleRegion.bounds();
+    constexpr bool kUseIdentityTransform = false;
 
     SurfaceFlinger::RenderAreaFuture renderAreaFuture = ftl::defer([=] {
-        return DisplayRenderArea::create(displayWeak, screencapRegion.bounds(),
-                                         sampledBounds.getSize(), ui::Dataspace::V0_SRGB,
-                                         orientation);
+        return DisplayRenderArea::create(displayWeak, sampledBounds, sampledBounds.getSize(),
+                                         ui::Dataspace::V0_SRGB, kUseIdentityTransform);
     });
 
     std::unordered_set<sp<IRegionSamplingListener>, SpHash<IRegionSamplingListener>> listeners;
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
index 0eb16e2384..0334d70bd5 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
@@ -107,9 +107,39 @@ std::pair<nsecs_t, nsecs_t> RefreshRateConfigs::getDisplayFrames(nsecs_t layerPe
     return {quotient, remainder};
 }
 
+bool RefreshRateConfigs::isVoteAllowed(const LayerRequirement& layer,
+                                       const RefreshRate& refreshRate) const {
+    switch (layer.vote) {
+        case LayerVoteType::ExplicitExactOrMultiple:
+        case LayerVoteType::Heuristic:
+            if (mConfig.frameRateMultipleThreshold != 0 &&
+                refreshRate.fps.greaterThanOrEqualWithMargin(
+                        Fps(mConfig.frameRateMultipleThreshold)) &&
+                layer.desiredRefreshRate.lessThanWithMargin(
+                        Fps(mConfig.frameRateMultipleThreshold / 2))) {
+                // Don't vote high refresh rates past the threshold for layers with a low desired
+                // refresh rate. For example, desired 24 fps with 120 Hz threshold means no vote for
+                // 120 Hz, but desired 60 fps should have a vote.
+                return false;
+            }
+            break;
+        case LayerVoteType::ExplicitDefault:
+        case LayerVoteType::ExplicitExact:
+        case LayerVoteType::Max:
+        case LayerVoteType::Min:
+        case LayerVoteType::NoVote:
+            break;
+    }
+    return true;
+}
+
 float RefreshRateConfigs::calculateLayerScoreLocked(const LayerRequirement& layer,
                                                     const RefreshRate& refreshRate,
                                                     bool isSeamlessSwitch) const {
+    if (!isVoteAllowed(layer, refreshRate)) {
+        return 0;
+    }
+
     // Slightly prefer seamless switches.
     constexpr float kSeamedSwitchPenalty = 0.95f;
     const float seamlessness = isSeamlessSwitch ? 1.0f : kSeamedSwitchPenalty;
@@ -331,8 +361,9 @@ RefreshRate RefreshRateConfigs::getBestRefreshRateLocked(
     const auto& defaultMode = mRefreshRates.at(policy->defaultMode);
 
     for (const auto& layer : layers) {
-        ALOGV("Calculating score for %s (%s, weight %.2f)", layer.name.c_str(),
-              layerVoteTypeString(layer.vote).c_str(), layer.weight);
+        ALOGV("Calculating score for %s (%s, weight %.2f, desired %.2f) ", layer.name.c_str(),
+              layerVoteTypeString(layer.vote).c_str(), layer.weight,
+              layer.desiredRefreshRate.getValue());
         if (layer.vote == LayerVoteType::NoVote || layer.vote == LayerVoteType::Min) {
             continue;
         }
@@ -646,9 +677,8 @@ void RefreshRateConfigs::setCurrentModeId(DisplayModeId modeId) {
 }
 
 RefreshRateConfigs::RefreshRateConfigs(const DisplayModes& modes, DisplayModeId currentModeId,
-                                       bool enableFrameRateOverride)
-      : mKnownFrameRates(constructKnownFrameRates(modes)),
-        mEnableFrameRateOverride(enableFrameRateOverride) {
+                                       Config config)
+      : mKnownFrameRates(constructKnownFrameRates(modes)), mConfig(config) {
     updateDisplayModes(modes, currentModeId);
 }
 
@@ -685,7 +715,7 @@ void RefreshRateConfigs::updateDisplayModes(const DisplayModes& modes,
     mMaxSupportedRefreshRate = sortedModes.back();
 
     mSupportsFrameRateOverride = false;
-    if (mEnableFrameRateOverride) {
+    if (mConfig.enableFrameRateOverride) {
         for (const auto& mode1 : sortedModes) {
             for (const auto& mode2 : sortedModes) {
                 if (getFrameRateDivider(mode1->getFps(), mode2->getFps()) >= 2) {
@@ -859,6 +889,7 @@ RefreshRateConfigs::KernelIdleTimerAction RefreshRateConfigs::getIdleTimerAction
     const auto& deviceMin = *mMinSupportedRefreshRate;
     const auto& minByPolicy = getMinRefreshRateByPolicyLocked();
     const auto& maxByPolicy = getMaxRefreshRateByPolicyLocked();
+    const auto& currentPolicy = getCurrentPolicyLocked();
 
     // Kernel idle timer will set the refresh rate to the device min. If DisplayManager says that
     // the min allowed refresh rate is higher than the device min, we do not want to enable the
@@ -867,6 +898,10 @@ RefreshRateConfigs::KernelIdleTimerAction RefreshRateConfigs::getIdleTimerAction
         return RefreshRateConfigs::KernelIdleTimerAction::TurnOff;
     }
     if (minByPolicy == maxByPolicy) {
+        // when min primary range in display manager policy is below device min turn on the timer.
+        if (currentPolicy->primaryRange.min.lessThanWithMargin(deviceMin.getFps())) {
+            return RefreshRateConfigs::KernelIdleTimerAction::TurnOn;
+        }
         return RefreshRateConfigs::KernelIdleTimerAction::TurnOff;
     }
     // Turn on the timer in all other cases.
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
index 6cd0f422e9..dfd13953e7 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
@@ -53,7 +53,7 @@ class RefreshRateConfigs {
 public:
     // Margin used when matching refresh rates to the content desired ones.
     static constexpr nsecs_t MARGIN_FOR_PERIOD_CALCULATION =
-        std::chrono::nanoseconds(800us).count();
+            std::chrono::nanoseconds(800us).count();
 
     class RefreshRate {
     private:
@@ -302,8 +302,19 @@ public:
     // Returns a known frame rate that is the closest to frameRate
     Fps findClosestKnownFrameRate(Fps frameRate) const;
 
+    // Configuration flags.
+    struct Config {
+        bool enableFrameRateOverride = false;
+
+        // Specifies the upper refresh rate threshold (inclusive) for layer vote types of multiple
+        // or heuristic, such that refresh rates higher than this value will not be voted for. 0 if
+        // no threshold is set.
+        int frameRateMultipleThreshold = 0;
+    };
+
     RefreshRateConfigs(const DisplayModes& modes, DisplayModeId currentModeId,
-                       bool enableFrameRateOverride = false);
+                       Config config = {.enableFrameRateOverride = false,
+                                        .frameRateMultipleThreshold = 0});
 
     void updateDisplayModes(const DisplayModes& mode, DisplayModeId currentModeId) EXCLUDES(mLock);
 
@@ -315,8 +326,7 @@ public:
         return mRefreshRates.size() > 1;
     }
 
-    // Class to enumerate options around toggling the kernel timer on and off. We have an option
-    // for no change to avoid extra calls to kernel.
+    // Class to enumerate options around toggling the kernel timer on and off.
     enum class KernelIdleTimerAction {
         TurnOff,  // Turn off the idle timer.
         TurnOn    // Turn on the idle timer.
@@ -387,6 +397,9 @@ private:
     const Policy* getCurrentPolicyLocked() const REQUIRES(mLock);
     bool isPolicyValidLocked(const Policy& policy) const REQUIRES(mLock);
 
+    // Returns whether the layer is allowed to vote for the given refresh rate.
+    bool isVoteAllowed(const LayerRequirement&, const RefreshRate&) const;
+
     // calculates a score for a layer. Used to determine the display refresh rate
     // and the frame rate override for certains applications.
     float calculateLayerScoreLocked(const LayerRequirement&, const RefreshRate&,
@@ -424,7 +437,7 @@ private:
     // from based on the closest value.
     const std::vector<Fps> mKnownFrameRates;
 
-    const bool mEnableFrameRateOverride;
+    const Config mConfig;
     bool mSupportsFrameRateOverride;
 
     struct GetBestRefreshRateInvocation {
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
index 28be962f2c..b805bf68e4 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
@@ -84,10 +84,13 @@ ScheduleResult VSyncDispatchTimerQueueEntry::schedule(VSyncDispatch::ScheduleTim
                                                       VSyncTracker& tracker, nsecs_t now) {
     auto nextVsyncTime = tracker.nextAnticipatedVSyncTimeFrom(
             std::max(timing.earliestVsync, now + timing.workDuration + timing.readyDuration));
+    auto nextWakeupTime = nextVsyncTime - timing.workDuration - timing.readyDuration;
 
     bool const wouldSkipAVsyncTarget =
             mArmedInfo && (nextVsyncTime > (mArmedInfo->mActualVsyncTime + mMinVsyncDistance));
-    if (wouldSkipAVsyncTarget) {
+    bool const wouldSkipAWakeup =
+            mArmedInfo && ((nextWakeupTime > (mArmedInfo->mActualWakeupTime + mMinVsyncDistance)));
+    if (wouldSkipAVsyncTarget && wouldSkipAWakeup) {
         return getExpectedCallbackTime(nextVsyncTime, timing);
     }
 
@@ -97,9 +100,9 @@ ScheduleResult VSyncDispatchTimerQueueEntry::schedule(VSyncDispatch::ScheduleTim
     if (alreadyDispatchedForVsync) {
         nextVsyncTime =
                 tracker.nextAnticipatedVSyncTimeFrom(*mLastDispatchTime + mMinVsyncDistance);
+        nextWakeupTime = nextVsyncTime - timing.workDuration - timing.readyDuration;
     }
 
-    auto const nextWakeupTime = nextVsyncTime - timing.workDuration - timing.readyDuration;
     auto const nextReadyTime = nextVsyncTime - timing.readyDuration;
     mScheduleTiming = timing;
     mArmedInfo = {nextWakeupTime, nextVsyncTime, nextReadyTime};
diff --git a/services/surfaceflinger/Scheduler/VsyncModulator.cpp b/services/surfaceflinger/Scheduler/VsyncModulator.cpp
index 194d808836..245db0f5c7 100644
--- a/services/surfaceflinger/Scheduler/VsyncModulator.cpp
+++ b/services/surfaceflinger/Scheduler/VsyncModulator.cpp
@@ -46,27 +46,36 @@ VsyncModulator::VsyncConfig VsyncModulator::setVsyncConfigSet(const VsyncConfigS
     return updateVsyncConfigLocked();
 }
 
-VsyncModulator::VsyncConfigOpt VsyncModulator::setTransactionSchedule(
-        TransactionSchedule schedule) {
+VsyncModulator::VsyncConfigOpt VsyncModulator::setTransactionSchedule(TransactionSchedule schedule,
+                                                                      const sp<IBinder>& token) {
+    std::lock_guard<std::mutex> lock(mMutex);
     switch (schedule) {
         case Schedule::EarlyStart:
-            ALOGW_IF(mEarlyWakeup, "%s: Duplicate EarlyStart", __FUNCTION__);
-            mEarlyWakeup = true;
+            if (token) {
+                mEarlyWakeupRequests.emplace(token);
+                token->linkToDeath(this);
+            } else {
+                ALOGW("%s: EarlyStart requested without a valid token", __func__);
+            }
             break;
-        case Schedule::EarlyEnd:
-            ALOGW_IF(!mEarlyWakeup, "%s: Unexpected EarlyEnd", __FUNCTION__);
-            mEarlyWakeup = false;
+        case Schedule::EarlyEnd: {
+            if (token && mEarlyWakeupRequests.erase(token) > 0) {
+                token->unlinkToDeath(this);
+            } else {
+                ALOGW("%s: Unexpected EarlyEnd", __func__);
+            }
             break;
+        }
         case Schedule::Late:
             // No change to mEarlyWakeup for non-explicit states.
             break;
     }
 
     if (mTraceDetailedInfo) {
-        ATRACE_INT("mEarlyWakeup", mEarlyWakeup);
+        ATRACE_INT("mEarlyWakeup", static_cast<int>(mEarlyWakeupRequests.size()));
     }
 
-    if (!mEarlyWakeup && schedule == Schedule::EarlyEnd) {
+    if (mEarlyWakeupRequests.empty() && schedule == Schedule::EarlyEnd) {
         mEarlyTransactionFrames = MIN_EARLY_TRANSACTION_FRAMES;
         mEarlyTransactionStartTime = mNow();
     }
@@ -76,7 +85,7 @@ VsyncModulator::VsyncConfigOpt VsyncModulator::setTransactionSchedule(
         return std::nullopt;
     }
     mTransactionSchedule = schedule;
-    return updateVsyncConfig();
+    return updateVsyncConfigLocked();
 }
 
 VsyncModulator::VsyncConfigOpt VsyncModulator::onTransactionCommit() {
@@ -128,8 +137,8 @@ VsyncModulator::VsyncConfig VsyncModulator::getVsyncConfig() const {
 const VsyncModulator::VsyncConfig& VsyncModulator::getNextVsyncConfig() const {
     // Early offsets are used if we're in the middle of a refresh rate
     // change, or if we recently begin a transaction.
-    if (mEarlyWakeup || mTransactionSchedule == Schedule::EarlyEnd || mEarlyTransactionFrames > 0 ||
-        mRefreshRateChangePending) {
+    if (!mEarlyWakeupRequests.empty() || mTransactionSchedule == Schedule::EarlyEnd ||
+        mEarlyTransactionFrames > 0 || mRefreshRateChangePending) {
         return mVsyncConfigSet.early;
     } else if (mEarlyGpuFrames > 0) {
         return mVsyncConfigSet.earlyGpu;
@@ -160,4 +169,11 @@ VsyncModulator::VsyncConfig VsyncModulator::updateVsyncConfigLocked() {
     return offsets;
 }
 
+void VsyncModulator::binderDied(const wp<IBinder>& who) {
+    std::lock_guard<std::mutex> lock(mMutex);
+    mEarlyWakeupRequests.erase(who);
+
+    static_cast<void>(updateVsyncConfigLocked());
+}
+
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/VsyncModulator.h b/services/surfaceflinger/Scheduler/VsyncModulator.h
index 9410768b2d..b2b0451666 100644
--- a/services/surfaceflinger/Scheduler/VsyncModulator.h
+++ b/services/surfaceflinger/Scheduler/VsyncModulator.h
@@ -19,8 +19,10 @@
 #include <chrono>
 #include <mutex>
 #include <optional>
+#include <unordered_set>
 
 #include <android-base/thread_annotations.h>
+#include <binder/IBinder.h>
 #include <utils/Timers.h>
 
 namespace android::scheduler {
@@ -35,7 +37,7 @@ enum class TransactionSchedule {
 };
 
 // Modulates VSYNC phase depending on transaction schedule and refresh rate changes.
-class VsyncModulator {
+class VsyncModulator : public IBinder::DeathRecipient {
 public:
     // Number of frames to keep early offsets after an early transaction or GPU composition.
     // This acts as a low-pass filter in case subsequent transactions are delayed, or if the
@@ -91,7 +93,8 @@ public:
     [[nodiscard]] VsyncConfig setVsyncConfigSet(const VsyncConfigSet&) EXCLUDES(mMutex);
 
     // Changes offsets in response to transaction flags or commit.
-    [[nodiscard]] VsyncConfigOpt setTransactionSchedule(TransactionSchedule);
+    [[nodiscard]] VsyncConfigOpt setTransactionSchedule(TransactionSchedule,
+                                                        const sp<IBinder>& = {}) EXCLUDES(mMutex);
     [[nodiscard]] VsyncConfigOpt onTransactionCommit();
 
     // Called when we send a refresh rate change to hardware composer, so that
@@ -104,6 +107,10 @@ public:
 
     [[nodiscard]] VsyncConfigOpt onDisplayRefresh(bool usedGpuComposition);
 
+protected:
+    // Called from unit tests as well
+    void binderDied(const wp<IBinder>&) override EXCLUDES(mMutex);
+
 private:
     const VsyncConfig& getNextVsyncConfig() const REQUIRES(mMutex);
     [[nodiscard]] VsyncConfig updateVsyncConfig() EXCLUDES(mMutex);
@@ -116,8 +123,14 @@ private:
 
     using Schedule = TransactionSchedule;
     std::atomic<Schedule> mTransactionSchedule = Schedule::Late;
-    std::atomic<bool> mEarlyWakeup = false;
 
+    struct WpHash {
+        size_t operator()(const wp<IBinder>& p) const {
+            return std::hash<IBinder*>()(p.unsafe_get());
+        }
+    };
+
+    std::unordered_set<wp<IBinder>, WpHash> mEarlyWakeupRequests GUARDED_BY(mMutex);
     std::atomic<bool> mRefreshRateChangePending = false;
 
     std::atomic<int> mEarlyTransactionFrames = 0;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f346465c89..230810c936 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -45,6 +45,7 @@
 #include <compositionengine/OutputLayer.h>
 #include <compositionengine/RenderSurface.h>
 #include <compositionengine/impl/OutputCompositionState.h>
+#include <compositionengine/impl/OutputLayerCompositionState.h>
 #include <configstore/Utils.h>
 #include <cutils/compiler.h>
 #include <cutils/properties.h>
@@ -310,6 +311,7 @@ Dataspace SurfaceFlinger::wideColorGamutCompositionDataspace = Dataspace::V0_SRG
 ui::PixelFormat SurfaceFlinger::wideColorGamutCompositionPixelFormat = ui::PixelFormat::RGBA_8888;
 bool SurfaceFlinger::useFrameRateApi;
 bool SurfaceFlinger::enableSdrDimming;
+bool SurfaceFlinger::enableLatchUnsignaled;
 
 std::string decodeDisplayColorSetting(DisplayColorSetting displayColorSetting) {
     switch(displayColorSetting) {
@@ -344,7 +346,8 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory, SkipInitializationTag)
         mHwcServiceName(base::GetProperty("debug.sf.hwc_service_name"s, "default"s)),
         mTunnelModeEnabledReporter(new TunnelModeEnabledReporter()),
         mInternalDisplayDensity(getDensityFromProperty("ro.sf.lcd_density", true)),
-        mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)) {
+        mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)),
+        mPowerAdvisor(*this) {
     ALOGI("Using HWComposer service: %s", mHwcServiceName.c_str());
 
     mSetInputWindowsListener = new SetInputWindowsListener([&]() { setInputWindowsFinished(); });
@@ -479,6 +482,8 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI
 
     // Debug property overrides ro. property
     enableSdrDimming = property_get_bool("debug.sf.enable_sdr_dimming", enable_sdr_dimming(false));
+
+    enableLatchUnsignaled = base::GetBoolProperty("debug.sf.latch_unsignaled"s, false);
 }
 
 SurfaceFlinger::~SurfaceFlinger() = default;
@@ -816,6 +821,8 @@ void SurfaceFlinger::init() {
     // set initial conditions (e.g. unblank default device)
     initializeDisplays();
 
+    mPowerAdvisor.init();
+
     char primeShaderCache[PROPERTY_VALUE_MAX];
     property_get("service.sf.prime_shader_cache", primeShaderCache, "1");
     if (atoi(primeShaderCache)) {
@@ -1183,6 +1190,10 @@ void SurfaceFlinger::setActiveModeInternal() {
     updatePhaseConfiguration(refreshRate);
     ATRACE_INT("ActiveConfigFPS", refreshRate.getValue());
 
+    if (mRefreshRateOverlay) {
+        mRefreshRateOverlay->changeRefreshRate(upcomingMode->getFps());
+    }
+
     if (mUpcomingActiveMode.event != Scheduler::ModeEvent::None) {
         const nsecs_t vsyncPeriod = refreshRate.getPeriodNsecs();
         const auto physicalId = display->getPhysicalId();
@@ -1265,14 +1276,24 @@ void SurfaceFlinger::performSetActiveMode() {
     }
 
     mScheduler->onNewVsyncPeriodChangeTimeline(outTimeline);
-    if (mRefreshRateOverlay) {
-        mRefreshRateOverlay->changeRefreshRate(desiredMode->getFps());
-    }
 
     // Scheduler will submit an empty frame to HWC if needed.
     mSetActiveModePending = true;
 }
 
+void SurfaceFlinger::disableExpensiveRendering() {
+    schedule([=]() MAIN_THREAD {
+        ATRACE_CALL();
+        if (mPowerAdvisor.isUsingExpensiveRendering()) {
+            const auto& displays = ON_MAIN_THREAD(mDisplays);
+            for (const auto& [_, display] : displays) {
+                const static constexpr auto kDisable = false;
+                mPowerAdvisor.setExpensiveRenderingExpected(display->getId(), kDisable);
+            }
+        }
+    }).wait();
+}
+
 std::vector<ColorMode> SurfaceFlinger::getDisplayColorModes(PhysicalDisplayId displayId) {
     auto modes = getHwComposer().getColorModes(displayId);
     bool isInternalDisplay = displayId == getInternalDisplayIdLocked();
@@ -1622,6 +1643,9 @@ status_t SurfaceFlinger::addHdrLayerInfoListener(const sp<IBinder>& displayToken
         hdrInfoReporter = sp<HdrLayerInfoReporter>::make();
     }
     hdrInfoReporter->addListener(listener);
+
+
+    mAddingHDRLayerInfoListener = true;
     return OK;
 }
 
@@ -2070,6 +2094,7 @@ void SurfaceFlinger::onMessageRefresh() {
     const auto prevVsyncTime = mScheduler->getPreviousVsyncFrom(mExpectedPresentTime);
     const auto hwcMinWorkDuration = mVsyncConfiguration->getCurrentConfigs().hwcMinWorkDuration;
     refreshArgs.earliestPresentTime = prevVsyncTime - hwcMinWorkDuration;
+    refreshArgs.previousPresentFence = mPreviousPresentFences[0].fenceTime;
     refreshArgs.nextInvalidateTime = mEventQueue->nextExpectedInvalidate();
 
     mGeometryInvalid = false;
@@ -2121,6 +2146,8 @@ void SurfaceFlinger::onMessageRefresh() {
             mTracing.notify("bufferLatched");
         }
     }
+
+    mVisibleRegionsWereDirtyThisFrame = mVisibleRegionsDirty; // Cache value for use in post-comp
     mVisibleRegionsDirty = false;
 
     if (mCompositionEngine->needsAnotherUpdate()) {
@@ -2265,6 +2292,7 @@ void SurfaceFlinger::postComposition() {
 
     std::vector<std::pair<std::shared_ptr<compositionengine::Display>, sp<HdrLayerInfoReporter>>>
             hdrInfoListeners;
+    bool haveNewListeners = false;
     {
         Mutex::Autolock lock(mStateLock);
         if (mFpsReporter) {
@@ -2282,34 +2310,45 @@ void SurfaceFlinger::postComposition() {
                 }
             }
         }
+        haveNewListeners = mAddingHDRLayerInfoListener; // grab this with state lock
+        mAddingHDRLayerInfoListener = false;
     }
 
-    for (auto& [compositionDisplay, listener] : hdrInfoListeners) {
-        HdrLayerInfoReporter::HdrLayerInfo info;
-        int32_t maxArea = 0;
-        mDrawingState.traverse([&, compositionDisplay = compositionDisplay](Layer* layer) {
-            if (layer->isVisible() &&
-                compositionDisplay->belongsInOutput(layer->getCompositionEngineLayerFE())) {
-                const Dataspace transfer =
+    if (haveNewListeners || mSomeDataspaceChanged || mVisibleRegionsWereDirtyThisFrame) {
+        for (auto& [compositionDisplay, listener] : hdrInfoListeners) {
+            HdrLayerInfoReporter::HdrLayerInfo info;
+            int32_t maxArea = 0;
+            mDrawingState.traverse([&, compositionDisplay = compositionDisplay](Layer* layer) {
+                const auto layerFe = layer->getCompositionEngineLayerFE();
+                if (layer->isVisible() && compositionDisplay->belongsInOutput(layerFe)) {
+                    const Dataspace transfer =
                         static_cast<Dataspace>(layer->getDataSpace() & Dataspace::TRANSFER_MASK);
-                const bool isHdr = (transfer == Dataspace::TRANSFER_ST2084 ||
-                                    transfer == Dataspace::TRANSFER_HLG);
-
-                if (isHdr) {
-                    info.numberOfHdrLayers++;
-                    auto bufferRect = layer->getCompositionState()->geomBufferSize;
-                    int32_t area = bufferRect.width() * bufferRect.height();
-                    if (area > maxArea) {
-                        maxArea = area;
-                        info.maxW = bufferRect.width();
-                        info.maxH = bufferRect.height();
+                    const bool isHdr = (transfer == Dataspace::TRANSFER_ST2084 ||
+                                        transfer == Dataspace::TRANSFER_HLG);
+
+                    if (isHdr) {
+                        const auto* outputLayer =
+                            compositionDisplay->getOutputLayerForLayer(layerFe);
+                        if (outputLayer) {
+                            info.numberOfHdrLayers++;
+                            const auto displayFrame = outputLayer->getState().displayFrame;
+                            const int32_t area = displayFrame.width() * displayFrame.height();
+                            if (area > maxArea) {
+                                maxArea = area;
+                                info.maxW = displayFrame.width();
+                                info.maxH = displayFrame.height();
+                            }
+                        }
                     }
                 }
-            }
-        });
-        listener->dispatchHdrLayerInfo(info);
+            });
+            listener->dispatchHdrLayerInfo(info);
+        }
     }
 
+    mSomeDataspaceChanged = false;
+    mVisibleRegionsWereDirtyThisFrame = false;
+
     mTransactionCallbackInvoker.addPresentFence(mPreviousPresentFences[0].fence);
     mTransactionCallbackInvoker.sendCallbacks();
 
@@ -2456,7 +2495,6 @@ void SurfaceFlinger::handleTransaction(uint32_t transactionFlags) {
     handleTransactionLocked(transactionFlags);
 
     mDebugInTransaction = 0;
-    invalidateHwcGeometry();
     // here the transaction has been committed
 }
 
@@ -3118,16 +3156,21 @@ void SurfaceFlinger::initScheduler(const DisplayDeviceState& displayState) {
         return;
     }
     const auto displayId = displayState.physical->id;
-    mRefreshRateConfigs = std::make_unique<
-            scheduler::RefreshRateConfigs>(displayState.physical->supportedModes,
-                                           displayState.physical->activeMode->getId(),
-                                           android::sysprop::enable_frame_rate_override(false));
+    scheduler::RefreshRateConfigs::Config config =
+            {.enableFrameRateOverride = android::sysprop::enable_frame_rate_override(false),
+             .frameRateMultipleThreshold =
+                     base::GetIntProperty("debug.sf.frame_rate_multiple_threshold", 0)};
+    mRefreshRateConfigs =
+            std::make_unique<scheduler::RefreshRateConfigs>(displayState.physical->supportedModes,
+                                                            displayState.physical->activeMode
+                                                                    ->getId(),
+                                                            config);
     const auto currRefreshRate = displayState.physical->activeMode->getFps();
     mRefreshRateStats = std::make_unique<scheduler::RefreshRateStats>(*mTimeStats, currRefreshRate,
                                                                       hal::PowerMode::OFF);
 
     mVsyncConfiguration = getFactory().createVsyncConfiguration(currRefreshRate);
-    mVsyncModulator.emplace(mVsyncConfiguration->getCurrentConfigs());
+    mVsyncModulator = sp<VsyncModulator>::make(mVsyncConfiguration->getCurrentConfigs());
 
     // start the EventThread
     mScheduler = getFactory().createScheduler(*mRefreshRateConfigs, *this);
@@ -3228,19 +3271,10 @@ void SurfaceFlinger::commitTransactionLocked() {
         }
     }
 
-    // TODO(b/163019109): See if this traversal is needed at all...
-    if (!mOffscreenLayers.empty()) {
-        mDrawingState.traverse([&](Layer* layer) {
-            // If the layer can be reached when traversing mDrawingState, then the layer is no
-            // longer offscreen. Remove the layer from the offscreenLayer set.
-            if (mOffscreenLayers.count(layer)) {
-                mOffscreenLayers.erase(layer);
-            }
-        });
-    }
-
     commitOffscreenLayers();
-    mDrawingState.traverse([&](Layer* layer) { layer->updateMirrorInfo(); });
+    if (mNumClones > 0) {
+        mDrawingState.traverse([&](Layer* layer) { layer->updateMirrorInfo(); });
+    }
 }
 
 void SurfaceFlinger::commitOffscreenLayers() {
@@ -3346,7 +3380,9 @@ bool SurfaceFlinger::handlePageFlip() {
         mBootStage = BootStage::BOOTANIMATION;
     }
 
-    mDrawingState.traverse([&](Layer* layer) { layer->updateCloneBufferInfo(); });
+    if (mNumClones > 0) {
+        mDrawingState.traverse([&](Layer* layer) { layer->updateCloneBufferInfo(); });
+    }
 
     // Only continue with the refresh if there is actually new work to do
     return !mLayersWithQueuedFrames.empty() && newDataLatched;
@@ -3359,7 +3395,7 @@ void SurfaceFlinger::invalidateHwcGeometry() {
 status_t SurfaceFlinger::addClientLayer(const sp<Client>& client, const sp<IBinder>& handle,
                                         const sp<IGraphicBufferProducer>& gbc, const sp<Layer>& lbc,
                                         const sp<IBinder>& parentHandle,
-                                        const sp<Layer>& parentLayer, bool addToCurrentState,
+                                        const sp<Layer>& parentLayer, bool addToRoot,
                                         uint32_t* outTransformHint) {
     if (mNumLayers >= ISurfaceComposer::MAX_LAYERS) {
         ALOGE("AddClientLayer failed, mNumLayers (%zu) >= MAX_LAYERS (%zu)", mNumLayers.load(),
@@ -3371,7 +3407,7 @@ status_t SurfaceFlinger::addClientLayer(const sp<Client>& client, const sp<IBind
     if (gbc != nullptr) {
         initialProducer = IInterface::asBinder(gbc);
     }
-    setLayerCreatedState(handle, lbc, parentHandle, parentLayer, initialProducer);
+    setLayerCreatedState(handle, lbc, parentHandle, parentLayer, initialProducer, addToRoot);
 
     // Create a transaction includes the initial parent and producer.
     Vector<ComposerState> states;
@@ -3414,9 +3450,10 @@ uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags) {
     return setTransactionFlags(flags, TransactionSchedule::Late);
 }
 
-uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags, TransactionSchedule schedule) {
+uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags, TransactionSchedule schedule,
+                                             const sp<IBinder>& token) {
     uint32_t old = mTransactionFlags.fetch_or(flags);
-    modulateVsync(&VsyncModulator::setTransactionSchedule, schedule);
+    modulateVsync(&VsyncModulator::setTransactionSchedule, schedule, token);
     if ((old & flags) == 0) signalTransaction();
     return old;
 }
@@ -3566,7 +3603,7 @@ bool SurfaceFlinger::transactionIsReadyToBeApplied(
     for (const ComposerState& state : states) {
         const layer_state_t& s = state.state;
         const bool acquireFenceChanged = (s.what & layer_state_t::eAcquireFenceChanged);
-        if (acquireFenceChanged && s.acquireFence &&
+        if (acquireFenceChanged && s.acquireFence && !enableLatchUnsignaled &&
             s.acquireFence->getStatus() == Fence::Status::Unsignaled) {
             ATRACE_NAME("fence unsignaled");
             return false;
@@ -3636,7 +3673,7 @@ void SurfaceFlinger::queueTransaction(TransactionState& state) {
         return TransactionSchedule::Late;
     }(state.flags);
 
-    setTransactionFlags(eTransactionFlushNeeded, schedule);
+    setTransactionFlags(eTransactionFlushNeeded, schedule, state.applyToken);
 }
 
 void SurfaceFlinger::waitForSynchronousTransaction(
@@ -3894,7 +3931,7 @@ uint32_t SurfaceFlinger::setClientStateLocked(
     sp<Layer> layer = nullptr;
     if (s.surface) {
         if (what & layer_state_t::eLayerCreated) {
-            layer = handleLayerCreatedLocked(s.surface, privileged);
+            layer = handleLayerCreatedLocked(s.surface);
             if (layer) {
                 // put the created layer into mLayersByLocalBinderToken.
                 mLayersByLocalBinderToken.emplace(s.surface->localBinder(), layer);
@@ -4132,6 +4169,15 @@ uint32_t SurfaceFlinger::setClientStateLocked(
     if (what & layer_state_t::eAutoRefreshChanged) {
         layer->setAutoRefresh(s.autoRefresh);
     }
+    if (what & layer_state_t::eTrustedOverlayChanged) {
+        if (privileged) {
+            if (layer->setTrustedOverlay(s.isTrustedOverlay)) {
+                flags |= eTraversalNeeded;
+            }
+        } else {
+            ALOGE("Attempt to set trusted overlay without permission ACCESS_SURFACE_FLINGER");
+        }
+    }
     if (what & layer_state_t::eStretchChanged) {
         if (layer->setStretchEffect(s.stretchEffect)) {
             flags |= eTraversalNeeded;
@@ -4158,6 +4204,7 @@ uint32_t SurfaceFlinger::setClientStateLocked(
                 : nullptr;
         if (layer->reparent(parentHandle)) {
             if (!hadParent) {
+                layer->setIsAtRoot(false);
                 mCurrentState.layersSortedByZ.remove(layer);
             }
             flags |= eTransactionNeeded | eTraversalNeeded;
@@ -4231,7 +4278,7 @@ status_t SurfaceFlinger::mirrorLayer(const sp<Client>& client, const sp<IBinder>
             return result;
         }
 
-        mirrorLayer->mClonedChild = mirrorFrom->createClone();
+        mirrorLayer->setClonedChild(mirrorFrom->createClone());
     }
 
     *outLayerId = mirrorLayer->sequence;
@@ -4303,9 +4350,9 @@ status_t SurfaceFlinger::createLayer(const String8& name, const sp<Client>& clie
         return result;
     }
 
-    bool addToCurrentState = callingThreadHasUnscopedSurfaceFlingerAccess();
-    result = addClientLayer(client, *handle, *gbp, layer, parentHandle, parentLayer,
-                            addToCurrentState, outTransformHint);
+    bool addToRoot = callingThreadHasUnscopedSurfaceFlingerAccess();
+    result = addClientLayer(client, *handle, *gbp, layer, parentHandle, parentLayer, addToRoot,
+                            outTransformHint);
     if (result != NO_ERROR) {
         return result;
     }
@@ -4424,7 +4471,8 @@ void SurfaceFlinger::onHandleDestroyed(sp<Layer>& layer) {
     // with the idea that the parent holds a reference and will eventually
     // be cleaned up. However no one cleans up the top-level so we do so
     // here.
-    if (layer->getParent() == nullptr) {
+    if (layer->isAtRoot()) {
+        layer->setIsAtRoot(false);
         mCurrentState.layersSortedByZ.remove(layer);
     }
     markLayerPendingRemovalLocked(layer);
@@ -6597,7 +6645,7 @@ void SurfaceFlinger::onLayerFirstRef(Layer* layer) {
 
 void SurfaceFlinger::onLayerDestroyed(Layer* layer) {
     mNumLayers--;
-    removeFromOffscreenLayers(layer);
+    removeHierarchyFromOffscreenLayers(layer);
     if (!layer->isRemovedFromCurrentState()) {
         mScheduler->deregisterLayer(layer);
     }
@@ -6610,13 +6658,17 @@ void SurfaceFlinger::onLayerDestroyed(Layer* layer) {
 // from dangling children layers such that they are not reachable from the
 // Drawing state nor the offscreen layer list
 // See b/141111965
-void SurfaceFlinger::removeFromOffscreenLayers(Layer* layer) {
+void SurfaceFlinger::removeHierarchyFromOffscreenLayers(Layer* layer) {
     for (auto& child : layer->getCurrentChildren()) {
         mOffscreenLayers.emplace(child.get());
     }
     mOffscreenLayers.erase(layer);
 }
 
+void SurfaceFlinger::removeFromOffscreenLayers(Layer* layer) {
+    mOffscreenLayers.erase(layer);
+}
+
 status_t SurfaceFlinger::setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor,
                                                  float lightPosY, float lightPosZ,
                                                  float lightRadius) {
@@ -6835,7 +6887,7 @@ int SurfaceFlinger::getMaxAcquiredBufferCountForRefreshRate(Fps refreshRate) con
 void SurfaceFlinger::TransactionState::traverseStatesWithBuffers(
         std::function<void(const layer_state_t&)> visitor) {
     for (const auto& state : states) {
-        if (state.state.hasBufferChanges() && (state.state.surface)) {
+        if (state.state.hasBufferChanges() && state.state.hasValidBuffer() && state.state.surface) {
             visitor(state.state);
         }
     }
@@ -6843,10 +6895,10 @@ void SurfaceFlinger::TransactionState::traverseStatesWithBuffers(
 
 void SurfaceFlinger::setLayerCreatedState(const sp<IBinder>& handle, const wp<Layer>& layer,
                                           const wp<IBinder>& parent, const wp<Layer> parentLayer,
-                                          const wp<IBinder>& producer) {
+                                          const wp<IBinder>& producer, bool addToRoot) {
     Mutex::Autolock lock(mCreatedLayersLock);
     mCreatedLayers[handle->localBinder()] =
-            std::make_unique<LayerCreatedState>(layer, parent, parentLayer, producer);
+            std::make_unique<LayerCreatedState>(layer, parent, parentLayer, producer, addToRoot);
 }
 
 auto SurfaceFlinger::getLayerCreatedState(const sp<IBinder>& handle) {
@@ -6871,7 +6923,7 @@ auto SurfaceFlinger::getLayerCreatedState(const sp<IBinder>& handle) {
     return state;
 }
 
-sp<Layer> SurfaceFlinger::handleLayerCreatedLocked(const sp<IBinder>& handle, bool privileged) {
+sp<Layer> SurfaceFlinger::handleLayerCreatedLocked(const sp<IBinder>& handle) {
     const auto& state = getLayerCreatedState(handle);
     if (!state) {
         return nullptr;
@@ -6884,7 +6936,7 @@ sp<Layer> SurfaceFlinger::handleLayerCreatedLocked(const sp<IBinder>& handle, bo
     }
 
     sp<Layer> parent;
-    bool allowAddRoot = privileged;
+    bool allowAddRoot = state->addToRoot;
     if (state->initialParent != nullptr) {
         parent = fromHandleLocked(state->initialParent.promote()).promote();
         if (parent == nullptr) {
@@ -6897,6 +6949,7 @@ sp<Layer> SurfaceFlinger::handleLayerCreatedLocked(const sp<IBinder>& handle, bo
     }
 
     if (parent == nullptr && allowAddRoot) {
+        layer->setIsAtRoot(true);
         mCurrentState.layersSortedByZ.add(layer);
     } else if (parent == nullptr) {
         layer->onRemovedFromCurrentState();
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index f33df86494..380f444221 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -270,6 +270,8 @@ public:
     // being treated as native display brightness
     static bool enableSdrDimming;
 
+    static bool enableLatchUnsignaled;
+
     // must be called before clients can connect
     void init() ANDROID_API;
 
@@ -311,8 +313,12 @@ public:
     void onLayerFirstRef(Layer*);
     void onLayerDestroyed(Layer*);
 
+    void removeHierarchyFromOffscreenLayers(Layer* layer);
     void removeFromOffscreenLayers(Layer* layer);
 
+    // TODO: Remove atomic if move dtor to main thread CL lands
+    std::atomic<uint32_t> mNumClones;
+
     TransactionCallbackInvoker& getTransactionCallbackInvoker() {
         return mTransactionCallbackInvoker;
     }
@@ -329,6 +335,10 @@ public:
     bool mDisableClientCompositionCache = false;
     void setInputWindowsFinished();
 
+    // Disables expensive rendering for all displays
+    // This is scheduled on the main thread
+    void disableExpensiveRendering();
+
 protected:
     // We're reference counted, never destroy SurfaceFlinger directly
     virtual ~SurfaceFlinger();
@@ -841,7 +851,7 @@ private:
     // but there is no need to try and wake up immediately to do it. Rather we rely on
     // onFrameAvailable or another layer update to wake us up.
     void setTraversalNeeded();
-    uint32_t setTransactionFlags(uint32_t flags, TransactionSchedule);
+    uint32_t setTransactionFlags(uint32_t flags, TransactionSchedule, const sp<IBinder>& = {});
     void commitTransaction() REQUIRES(mStateLock);
     void commitOffscreenLayers();
     bool transactionIsReadyToBeApplied(
@@ -895,7 +905,7 @@ private:
     status_t addClientLayer(const sp<Client>& client, const sp<IBinder>& handle,
                             const sp<IGraphicBufferProducer>& gbc, const sp<Layer>& lbc,
                             const sp<IBinder>& parentHandle, const sp<Layer>& parentLayer,
-                            bool addToCurrentState, uint32_t* outTransformHint);
+                            bool addToRoot, uint32_t* outTransformHint);
 
     // Traverse through all the layers and compute and cache its bounds.
     void computeLayerBounds();
@@ -1230,11 +1240,19 @@ private:
     State mDrawingState{LayerVector::StateSet::Drawing};
     bool mVisibleRegionsDirty = false;
 
+    // VisibleRegions dirty is already cleared by postComp, but we need to track it to prevent
+    // extra work in the HDR layer info listener.
+    bool mVisibleRegionsWereDirtyThisFrame = false;
+    // Used to ensure we omit a callback when HDR layer info listener is newly added but the
+    // scene hasn't changed
+    bool mAddingHDRLayerInfoListener = false;
+
     // Set during transaction application stage to track if the input info or children
     // for a layer has changed.
     // TODO: Also move visibleRegions over to a boolean system.
     bool mInputInfoChanged = false;
     bool mSomeChildrenChanged;
+    bool mSomeDataspaceChanged = false;
     bool mForceTransactionDisplayChange = false;
 
     bool mGeometryInvalid = false;
@@ -1379,7 +1397,7 @@ private:
     std::unique_ptr<scheduler::VsyncConfiguration> mVsyncConfiguration;
 
     // Optional to defer construction until PhaseConfiguration is created.
-    std::optional<scheduler::VsyncModulator> mVsyncModulator;
+    sp<VsyncModulator> mVsyncModulator;
 
     std::unique_ptr<scheduler::RefreshRateConfigs> mRefreshRateConfigs;
     std::unique_ptr<scheduler::RefreshRateStats> mRefreshRateStats;
@@ -1444,11 +1462,12 @@ private:
     mutable Mutex mCreatedLayersLock;
     struct LayerCreatedState {
         LayerCreatedState(const wp<Layer>& layer, const wp<IBinder>& parent,
-                          const wp<Layer> parentLayer, const wp<IBinder>& producer)
+                          const wp<Layer> parentLayer, const wp<IBinder>& producer, bool addToRoot)
               : layer(layer),
                 initialParent(parent),
                 initialParentLayer(parentLayer),
-                initialProducer(producer) {}
+                initialProducer(producer),
+                addToRoot(addToRoot) {}
         wp<Layer> layer;
         // Indicates the initial parent of the created layer, only used for creating layer in
         // SurfaceFlinger. If nullptr, it may add the created layer into the current root layers.
@@ -1457,6 +1476,10 @@ private:
         // Indicates the initial graphic buffer producer of the created layer, only used for
         // creating layer in SurfaceFlinger.
         wp<IBinder> initialProducer;
+        // Indicates whether the layer getting created should be added at root if there's no parent
+        // and has permission ACCESS_SURFACE_FLINGER. If set to false and no parent, the layer will
+        // be added offscreen.
+        bool addToRoot;
     };
 
     // A temporay pool that store the created layers and will be added to current state in main
@@ -1464,10 +1487,9 @@ private:
     std::unordered_map<BBinder*, std::unique_ptr<LayerCreatedState>> mCreatedLayers;
     void setLayerCreatedState(const sp<IBinder>& handle, const wp<Layer>& layer,
                               const wp<IBinder>& parent, const wp<Layer> parentLayer,
-                              const wp<IBinder>& producer);
+                              const wp<IBinder>& producer, bool addToRoot);
     auto getLayerCreatedState(const sp<IBinder>& handle);
-    sp<Layer> handleLayerCreatedLocked(const sp<IBinder>& handle, bool privileged)
-            REQUIRES(mStateLock);
+    sp<Layer> handleLayerCreatedLocked(const sp<IBinder>& handle) REQUIRES(mStateLock);
 
     std::atomic<ui::Transform::RotationFlags> mDefaultDisplayTransformHint;
 
diff --git a/services/surfaceflinger/SurfaceInterceptor.cpp b/services/surfaceflinger/SurfaceInterceptor.cpp
index 8ca241e53d..23ab7c8bab 100644
--- a/services/surfaceflinger/SurfaceInterceptor.cpp
+++ b/services/surfaceflinger/SurfaceInterceptor.cpp
@@ -149,6 +149,7 @@ void SurfaceInterceptor::addInitialSurfaceStateLocked(Increment* increment,
                             getLayerIdFromWeakRef(layer->mDrawingState.zOrderRelativeOf),
                             layer->mDrawingState.z);
     addShadowRadiusLocked(transaction, layerId, layer->mDrawingState.shadowRadius);
+    addTrustedOverlayLocked(transaction, layerId, layer->mDrawingState.isTrustedOverlay);
 }
 
 void SurfaceInterceptor::addInitialDisplayStateLocked(Increment* increment,
@@ -397,6 +398,13 @@ void SurfaceInterceptor::addShadowRadiusLocked(Transaction* transaction, int32_t
     overrideChange->set_radius(shadowRadius);
 }
 
+void SurfaceInterceptor::addTrustedOverlayLocked(Transaction* transaction, int32_t layerId,
+                                                 bool isTrustedOverlay) {
+    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
+    TrustedOverlayChange* overrideChange(change->mutable_trusted_overlay());
+    overrideChange->set_is_trusted_overlay(isTrustedOverlay);
+}
+
 void SurfaceInterceptor::addSurfaceChangesLocked(Transaction* transaction,
         const layer_state_t& state)
 {
@@ -460,6 +468,9 @@ void SurfaceInterceptor::addSurfaceChangesLocked(Transaction* transaction,
     if (state.what & layer_state_t::eShadowRadiusChanged) {
         addShadowRadiusLocked(transaction, layerId, state.shadowRadius);
     }
+    if (state.what & layer_state_t::eTrustedOverlayChanged) {
+        addTrustedOverlayLocked(transaction, layerId, state.isTrustedOverlay);
+    }
     if (state.what & layer_state_t::eStretchChanged) {
         ALOGW("SurfaceInterceptor not implemented for eStretchChanged");
     }
diff --git a/services/surfaceflinger/SurfaceInterceptor.h b/services/surfaceflinger/SurfaceInterceptor.h
index 30aca8340e..673f9e789d 100644
--- a/services/surfaceflinger/SurfaceInterceptor.h
+++ b/services/surfaceflinger/SurfaceInterceptor.h
@@ -177,6 +177,7 @@ private:
     void addRelativeParentLocked(Transaction* transaction, int32_t layerId, int32_t parentId,
                                  int z);
     void addShadowRadiusLocked(Transaction* transaction, int32_t layerId, float shadowRadius);
+    void addTrustedOverlayLocked(Transaction* transaction, int32_t layerId, bool isTrustedOverlay);
 
     // Add display transactions to the trace
     DisplayChange* createDisplayChangeLocked(Transaction* transaction, int32_t sequenceId);
diff --git a/services/surfaceflinger/TransactionCallbackInvoker.cpp b/services/surfaceflinger/TransactionCallbackInvoker.cpp
index fdf16a797f..6af69f0ef2 100644
--- a/services/surfaceflinger/TransactionCallbackInvoker.cpp
+++ b/services/surfaceflinger/TransactionCallbackInvoker.cpp
@@ -237,7 +237,8 @@ status_t TransactionCallbackInvoker::addCallbackHandle(const sp<CallbackHandle>&
                                                     handle->previousReleaseFence,
                                                     handle->transformHint,
                                                     handle->currentMaxAcquiredBufferCount,
-                                                    eventStats, jankData, handle->previousBufferId);
+                                                    eventStats, jankData,
+                                                    handle->previousReleaseCallbackId);
     }
     return NO_ERROR;
 }
diff --git a/services/surfaceflinger/TransactionCallbackInvoker.h b/services/surfaceflinger/TransactionCallbackInvoker.h
index 444bec646e..6f4d812ec5 100644
--- a/services/surfaceflinger/TransactionCallbackInvoker.h
+++ b/services/surfaceflinger/TransactionCallbackInvoker.h
@@ -51,7 +51,7 @@ public:
     nsecs_t refreshStartTime = 0;
     nsecs_t dequeueReadyTime = 0;
     uint64_t frameNumber = 0;
-    uint64_t previousBufferId = 0;
+    ReleaseCallbackId previousReleaseCallbackId = ReleaseCallbackId::INVALID_ID;
 };
 
 class TransactionCallbackInvoker {
diff --git a/services/surfaceflinger/layerproto/LayerProtoParser.cpp b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
index aef670da33..2841f7c2fd 100644
--- a/services/surfaceflinger/layerproto/LayerProtoParser.cpp
+++ b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
@@ -105,6 +105,7 @@ LayerProtoParser::Layer LayerProtoParser::generateLayer(const LayerProto& layerP
     layer.queuedFrames = layerProto.queued_frames();
     layer.refreshPending = layerProto.refresh_pending();
     layer.isProtected = layerProto.is_protected();
+    layer.isTrustedOverlay = layerProto.is_trusted_overlay();
     layer.cornerRadius = layerProto.corner_radius();
     layer.backgroundBlurRadius = layerProto.background_blur_radius();
     for (const auto& entry : layerProto.metadata()) {
@@ -289,6 +290,7 @@ std::string LayerProtoParser::Layer::to_string() const {
     StringAppendF(&result, "crop=%s, ", crop.to_string().c_str());
     StringAppendF(&result, "cornerRadius=%f, ", cornerRadius);
     StringAppendF(&result, "isProtected=%1d, ", isProtected);
+    StringAppendF(&result, "isTrustedOverlay=%1d, ", isTrustedOverlay);
     StringAppendF(&result, "isOpaque=%1d, invalidate=%1d, ", isOpaque, invalidate);
     StringAppendF(&result, "dataspace=%s, ", dataspace.c_str());
     StringAppendF(&result, "defaultPixelFormat=%s, ", pixelFormat.c_str());
diff --git a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
index c48354fe95..52503bad3a 100644
--- a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
+++ b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
@@ -109,6 +109,7 @@ public:
         int32_t queuedFrames;
         bool refreshPending;
         bool isProtected;
+        bool isTrustedOverlay;
         float cornerRadius;
         int backgroundBlurRadius;
         LayerMetadata metadata;
diff --git a/services/surfaceflinger/layerproto/layers.proto b/services/surfaceflinger/layerproto/layers.proto
index 9f25674f1b..dddc677715 100644
--- a/services/surfaceflinger/layerproto/layers.proto
+++ b/services/surfaceflinger/layerproto/layers.proto
@@ -128,6 +128,8 @@ message LayerProto {
 
   // Regions of a layer, where blur should be applied.
   repeated BlurRegion blur_regions = 54;
+
+  bool is_trusted_overlay = 55;
 }
 
 message PositionProto {
diff --git a/services/surfaceflinger/tests/MirrorLayer_test.cpp b/services/surfaceflinger/tests/MirrorLayer_test.cpp
index ccf434d63a..d02786504e 100644
--- a/services/surfaceflinger/tests/MirrorLayer_test.cpp
+++ b/services/surfaceflinger/tests/MirrorLayer_test.cpp
@@ -18,7 +18,9 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
 
+#include <private/android_filesystem_config.h>
 #include "LayerTransactionTest.h"
+#include "utils/TransactionUtils.h"
 
 namespace android {
 
@@ -227,6 +229,50 @@ TEST_F(MirrorLayerTest, MirrorBufferLayer) {
     }
 }
 
+// Test that the mirror layer is initially offscreen.
+TEST_F(MirrorLayerTest, InitialMirrorState) {
+    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    ui::DisplayMode mode;
+    SurfaceComposerClient::getActiveDisplayMode(display, &mode);
+    const ui::Size& size = mode.resolution;
+
+    sp<SurfaceControl> mirrorLayer = nullptr;
+    {
+        // Run as system to get the ACCESS_SURFACE_FLINGER permission when mirroring
+        UIDFaker f(AID_SYSTEM);
+        // Mirror mChildLayer
+        mirrorLayer = mClient->mirrorSurface(mChildLayer.get());
+        ASSERT_NE(mirrorLayer, nullptr);
+    }
+
+    // Show the mirror layer, but don't reparent to a layer on screen.
+    Transaction()
+            .setPosition(mirrorLayer, 500, 500)
+            .show(mirrorLayer)
+            .setLayer(mirrorLayer, INT32_MAX - 1)
+            .apply();
+
+    {
+        SCOPED_TRACE("Offscreen Mirror");
+        auto shot = screenshot();
+        shot->expectColor(Rect(0, 0, size.getWidth(), 50), Color::RED);
+        shot->expectColor(Rect(0, 0, 50, size.getHeight()), Color::RED);
+        shot->expectColor(Rect(450, 0, size.getWidth(), size.getHeight()), Color::RED);
+        shot->expectColor(Rect(0, 450, size.getWidth(), size.getHeight()), Color::RED);
+        shot->expectColor(Rect(50, 50, 450, 450), Color::GREEN);
+    }
+
+    // Add mirrorLayer as child of mParentLayer so it's shown on the display
+    Transaction().reparent(mirrorLayer, mParentLayer).apply();
+
+    {
+        SCOPED_TRACE("On Screen Mirror");
+        auto shot = screenshot();
+        // Child mirror
+        shot->expectColor(Rect(550, 550, 950, 950), Color::GREEN);
+    }
+}
+
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp b/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
index 5aa809dc8b..579a26ebf4 100644
--- a/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
+++ b/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
@@ -29,7 +29,7 @@ using android::hardware::graphics::common::V1_1::BufferUsage;
 // b/181132765 - disabled until cuttlefish failures are investigated
 class ReleaseBufferCallbackHelper {
 public:
-    static void function(void* callbackContext, uint64_t graphicsBufferId,
+    static void function(void* callbackContext, ReleaseCallbackId callbackId,
                          const sp<Fence>& releaseFence,
                          uint32_t /*currentMaxAcquiredBufferCount*/) {
         if (!callbackContext) {
@@ -38,11 +38,11 @@ public:
         ReleaseBufferCallbackHelper* helper =
                 static_cast<ReleaseBufferCallbackHelper*>(callbackContext);
         std::lock_guard lock(helper->mMutex);
-        helper->mCallbackDataQueue.emplace(graphicsBufferId, releaseFence);
+        helper->mCallbackDataQueue.emplace(callbackId, releaseFence);
         helper->mConditionVariable.notify_all();
     }
 
-    void getCallbackData(uint64_t* bufferId) {
+    void getCallbackData(ReleaseCallbackId* callbackId) {
         std::unique_lock lock(mMutex);
         if (mCallbackDataQueue.empty()) {
             if (!mConditionVariable.wait_for(lock, std::chrono::seconds(3),
@@ -53,7 +53,7 @@ public:
 
         auto callbackData = mCallbackDataQueue.front();
         mCallbackDataQueue.pop();
-        *bufferId = callbackData.first;
+        *callbackId = callbackData.first;
     }
 
     void verifyNoCallbacks() {
@@ -72,7 +72,7 @@ public:
 
     std::mutex mMutex;
     std::condition_variable mConditionVariable;
-    std::queue<std::pair<uint64_t, sp<Fence>>> mCallbackDataQueue;
+    std::queue<std::pair<ReleaseCallbackId, sp<Fence>>> mCallbackDataQueue;
 };
 
 class ReleaseBufferCallbackTest : public LayerTransactionTest {
@@ -82,10 +82,11 @@ public:
     }
 
     static void submitBuffer(const sp<SurfaceControl>& layer, sp<GraphicBuffer> buffer,
-                             sp<Fence> fence, CallbackHelper& callback,
+                             sp<Fence> fence, CallbackHelper& callback, const ReleaseCallbackId& id,
                              ReleaseBufferCallbackHelper& releaseCallback) {
         Transaction t;
-        t.setBuffer(layer, buffer, releaseCallback.getCallback());
+        t.setFrameNumber(layer, id.framenumber);
+        t.setBuffer(layer, buffer, id, releaseCallback.getCallback());
         t.setAcquireFence(layer, fence);
         t.addTransactionCompletedCallback(callback.function, callback.getContext());
         t.apply();
@@ -98,10 +99,10 @@ public:
     }
 
     static void waitForReleaseBufferCallback(ReleaseBufferCallbackHelper& releaseCallback,
-                                             uint64_t expectedReleaseBufferId) {
-        uint64_t actualReleaseBufferId;
+                                             const ReleaseCallbackId& expectedCallbackId) {
+        ReleaseCallbackId actualReleaseBufferId;
         releaseCallback.getCallbackData(&actualReleaseBufferId);
-        EXPECT_EQ(expectedReleaseBufferId, actualReleaseBufferId);
+        EXPECT_EQ(expectedCallbackId, actualReleaseBufferId);
         releaseCallback.verifyNoCallbacks();
     }
     static ReleaseBufferCallbackHelper* getReleaseBufferCallbackHelper() {
@@ -116,6 +117,10 @@ public:
                                          BufferUsage::COMPOSER_OVERLAY,
                                  "test");
     }
+    static uint64_t generateFrameNumber() {
+        static uint64_t sFrameNumber = 0;
+        return ++sFrameNumber;
+    }
 };
 
 TEST_F(ReleaseBufferCallbackTest, DISABLED_PresentBuffer) {
@@ -125,7 +130,9 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_PresentBuffer) {
 
     // If a buffer is being presented, we should not emit a release callback.
     sp<GraphicBuffer> firstBuffer = getBuffer();
-    submitBuffer(layer, firstBuffer, Fence::NO_FENCE, transactionCallback, *releaseCallback);
+    ReleaseCallbackId firstBufferCallbackId(firstBuffer->getId(), generateFrameNumber());
+    submitBuffer(layer, firstBuffer, Fence::NO_FENCE, transactionCallback, firstBufferCallbackId,
+                 *releaseCallback);
     ExpectedResult expected;
     expected.addSurface(ExpectedResult::Transaction::PRESENTED, layer,
                         ExpectedResult::Buffer::NOT_ACQUIRED);
@@ -143,13 +150,15 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_PresentBuffer) {
     // If a presented buffer is replaced, we should emit a release callback for the
     // previously presented buffer.
     sp<GraphicBuffer> secondBuffer = getBuffer();
-    submitBuffer(layer, secondBuffer, Fence::NO_FENCE, transactionCallback, *releaseCallback);
+    ReleaseCallbackId secondBufferCallbackId(secondBuffer->getId(), generateFrameNumber());
+    submitBuffer(layer, secondBuffer, Fence::NO_FENCE, transactionCallback, secondBufferCallbackId,
+                 *releaseCallback);
     expected = ExpectedResult();
     expected.addSurface(ExpectedResult::Transaction::PRESENTED, layer,
                         ExpectedResult::Buffer::NOT_ACQUIRED,
                         ExpectedResult::PreviousBuffer::RELEASED);
     ASSERT_NO_FATAL_FAILURE(waitForCallback(transactionCallback, expected));
-    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, firstBuffer->getId()));
+    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, firstBufferCallbackId));
 }
 
 TEST_F(ReleaseBufferCallbackTest, DISABLED_OffScreenLayer) {
@@ -160,7 +169,9 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_OffScreenLayer) {
 
     // If a buffer is being presented, we should not emit a release callback.
     sp<GraphicBuffer> firstBuffer = getBuffer();
-    submitBuffer(layer, firstBuffer, Fence::NO_FENCE, transactionCallback, *releaseCallback);
+    ReleaseCallbackId firstBufferCallbackId(firstBuffer->getId(), generateFrameNumber());
+    submitBuffer(layer, firstBuffer, Fence::NO_FENCE, transactionCallback, firstBufferCallbackId,
+                 *releaseCallback);
     ExpectedResult expected;
     expected.addSurface(ExpectedResult::Transaction::PRESENTED, layer,
                         ExpectedResult::Buffer::NOT_ACQUIRED);
@@ -184,23 +195,27 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_OffScreenLayer) {
     // If a presented buffer is replaced, we should emit a release callback for the
     // previously presented buffer.
     sp<GraphicBuffer> secondBuffer = getBuffer();
-    submitBuffer(layer, secondBuffer, Fence::NO_FENCE, transactionCallback, *releaseCallback);
+    ReleaseCallbackId secondBufferCallbackId(secondBuffer->getId(), generateFrameNumber());
+    submitBuffer(layer, secondBuffer, Fence::NO_FENCE, transactionCallback, secondBufferCallbackId,
+                 *releaseCallback);
     expected = ExpectedResult();
     expected.addSurface(ExpectedResult::Transaction::PRESENTED, layer,
                         ExpectedResult::Buffer::NOT_ACQUIRED,
                         ExpectedResult::PreviousBuffer::NOT_RELEASED);
     ASSERT_NO_FATAL_FAILURE(waitForCallback(transactionCallback, expected));
-    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, firstBuffer->getId()));
+    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, firstBufferCallbackId));
 
     // If continue to submit buffer we continue to get release callbacks
     sp<GraphicBuffer> thirdBuffer = getBuffer();
-    submitBuffer(layer, thirdBuffer, Fence::NO_FENCE, transactionCallback, *releaseCallback);
+    ReleaseCallbackId thirdBufferCallbackId(secondBuffer->getId(), generateFrameNumber());
+    submitBuffer(layer, thirdBuffer, Fence::NO_FENCE, transactionCallback, thirdBufferCallbackId,
+                 *releaseCallback);
     expected = ExpectedResult();
     expected.addSurface(ExpectedResult::Transaction::PRESENTED, layer,
                         ExpectedResult::Buffer::NOT_ACQUIRED,
                         ExpectedResult::PreviousBuffer::NOT_RELEASED);
     ASSERT_NO_FATAL_FAILURE(waitForCallback(transactionCallback, expected));
-    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, secondBuffer->getId()));
+    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, secondBufferCallbackId));
 }
 
 TEST_F(ReleaseBufferCallbackTest, DISABLED_LayerLifecycle_layerdestroy) {
@@ -210,7 +225,9 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_LayerLifecycle_layerdestroy) {
 
     // If a buffer is being presented, we should not emit a release callback.
     sp<GraphicBuffer> firstBuffer = getBuffer();
-    submitBuffer(layer, firstBuffer, Fence::NO_FENCE, *transactionCallback, *releaseCallback);
+    ReleaseCallbackId firstBufferCallbackId(firstBuffer->getId(), generateFrameNumber());
+    submitBuffer(layer, firstBuffer, Fence::NO_FENCE, *transactionCallback, firstBufferCallbackId,
+                 *releaseCallback);
     {
         ExpectedResult expected;
         expected.addSurface(ExpectedResult::Transaction::PRESENTED, layer,
@@ -225,7 +242,7 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_LayerLifecycle_layerdestroy) {
     t.apply();
     layer = nullptr;
 
-    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, firstBuffer->getId()));
+    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, firstBufferCallbackId));
 }
 
 // Destroying a never presented layer emits a callback.
@@ -242,7 +259,9 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_LayerLifecycle_OffScreenLayerDestroy)
 
     // Submitting a buffer does not emit a callback.
     sp<GraphicBuffer> firstBuffer = getBuffer();
-    submitBuffer(layer, firstBuffer, Fence::NO_FENCE, *transactionCallback, *releaseCallback);
+    ReleaseCallbackId firstBufferCallbackId(firstBuffer->getId(), generateFrameNumber());
+    submitBuffer(layer, firstBuffer, Fence::NO_FENCE, *transactionCallback, firstBufferCallbackId,
+                 *releaseCallback);
     {
         ExpectedResult expected;
         expected.addSurface(ExpectedResult::Transaction::PRESENTED, layer,
@@ -253,19 +272,21 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_LayerLifecycle_OffScreenLayerDestroy)
 
     // Submitting a second buffer will replace the drawing state buffer and emit a callback.
     sp<GraphicBuffer> secondBuffer = getBuffer();
-    submitBuffer(layer, secondBuffer, Fence::NO_FENCE, *transactionCallback, *releaseCallback);
+    ReleaseCallbackId secondBufferCallbackId(secondBuffer->getId(), generateFrameNumber());
+    submitBuffer(layer, secondBuffer, Fence::NO_FENCE, *transactionCallback, secondBufferCallbackId,
+                 *releaseCallback);
     {
         ExpectedResult expected;
         expected.addSurface(ExpectedResult::Transaction::PRESENTED, layer,
                             ExpectedResult::Buffer::NOT_ACQUIRED);
         ASSERT_NO_FATAL_FAILURE(waitForCallback(*transactionCallback, expected));
         ASSERT_NO_FATAL_FAILURE(
-                waitForReleaseBufferCallback(*releaseCallback, firstBuffer->getId()));
+                waitForReleaseBufferCallback(*releaseCallback, firstBufferCallbackId));
     }
 
     // Destroying the offscreen layer emits a callback.
     layer = nullptr;
-    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, secondBuffer->getId()));
+    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, secondBufferCallbackId));
 }
 
 TEST_F(ReleaseBufferCallbackTest, DISABLED_FrameDropping) {
@@ -275,12 +296,13 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_FrameDropping) {
 
     // If a buffer is being presented, we should not emit a release callback.
     sp<GraphicBuffer> firstBuffer = getBuffer();
+    ReleaseCallbackId firstBufferCallbackId(firstBuffer->getId(), generateFrameNumber());
 
     // Try to present 100ms in the future
     nsecs_t time = systemTime() + std::chrono::nanoseconds(100ms).count();
 
     Transaction t;
-    t.setBuffer(layer, firstBuffer, releaseCallback->getCallback());
+    t.setBuffer(layer, firstBuffer, firstBufferCallbackId, releaseCallback->getCallback());
     t.setAcquireFence(layer, Fence::NO_FENCE);
     t.addTransactionCompletedCallback(transactionCallback.function,
                                       transactionCallback.getContext());
@@ -295,7 +317,8 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_FrameDropping) {
 
     // Dropping frames in transaction queue emits a callback
     sp<GraphicBuffer> secondBuffer = getBuffer();
-    t.setBuffer(layer, secondBuffer, releaseCallback->getCallback());
+    ReleaseCallbackId secondBufferCallbackId(secondBuffer->getId(), generateFrameNumber());
+    t.setBuffer(layer, secondBuffer, secondBufferCallbackId, releaseCallback->getCallback());
     t.setAcquireFence(layer, Fence::NO_FENCE);
     t.addTransactionCompletedCallback(transactionCallback.function,
                                       transactionCallback.getContext());
@@ -307,7 +330,7 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_FrameDropping) {
                         ExpectedResult::Buffer::NOT_ACQUIRED,
                         ExpectedResult::PreviousBuffer::RELEASED);
     ASSERT_NO_FATAL_FAILURE(waitForCallback(transactionCallback, expected));
-    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, firstBuffer->getId()));
+    ASSERT_NO_FATAL_FAILURE(waitForReleaseBufferCallback(*releaseCallback, firstBufferCallbackId));
 }
 
 } // namespace android
diff --git a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
index ee4e863474..d5890ffa79 100644
--- a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
+++ b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
@@ -193,6 +193,7 @@ public:
     bool reparentUpdateFound(const SurfaceChange& change, bool found);
     bool relativeParentUpdateFound(const SurfaceChange& change, bool found);
     bool shadowRadiusUpdateFound(const SurfaceChange& change, bool found);
+    bool trustedOverlayUpdateFound(const SurfaceChange& change, bool found);
     bool surfaceUpdateFound(const Trace& trace, SurfaceChange::SurfaceChangeCase changeCase);
 
     // Find all of the updates in the single trace
@@ -228,6 +229,7 @@ public:
     void reparentUpdate(Transaction&);
     void relativeParentUpdate(Transaction&);
     void shadowRadiusUpdate(Transaction&);
+    void trustedOverlayUpdate(Transaction&);
     void surfaceCreation(Transaction&);
     void displayCreation(Transaction&);
     void displayDeletion(Transaction&);
@@ -405,6 +407,10 @@ void SurfaceInterceptorTest::shadowRadiusUpdate(Transaction& t) {
     t.setShadowRadius(mBGSurfaceControl, SHADOW_RADIUS_UPDATE);
 }
 
+void SurfaceInterceptorTest::trustedOverlayUpdate(Transaction& t) {
+    t.setTrustedOverlay(mBGSurfaceControl, true);
+}
+
 void SurfaceInterceptorTest::displayCreation(Transaction&) {
     sp<IBinder> testDisplay = SurfaceComposerClient::createDisplay(DISPLAY_NAME, false);
     SurfaceComposerClient::destroyDisplay(testDisplay);
@@ -433,6 +439,7 @@ void SurfaceInterceptorTest::runAllUpdates() {
     runInTransaction(&SurfaceInterceptorTest::reparentUpdate);
     runInTransaction(&SurfaceInterceptorTest::relativeParentUpdate);
     runInTransaction(&SurfaceInterceptorTest::shadowRadiusUpdate);
+    runInTransaction(&SurfaceInterceptorTest::trustedOverlayUpdate);
 }
 
 void SurfaceInterceptorTest::surfaceCreation(Transaction&) {
@@ -644,6 +651,17 @@ bool SurfaceInterceptorTest::shadowRadiusUpdateFound(const SurfaceChange& change
     return foundShadowRadius;
 }
 
+bool SurfaceInterceptorTest::trustedOverlayUpdateFound(const SurfaceChange& change,
+                                                       bool foundTrustedOverlay) {
+    bool hasTrustedOverlay(change.trusted_overlay().is_trusted_overlay());
+    if (hasTrustedOverlay && !foundTrustedOverlay) {
+        foundTrustedOverlay = true;
+    } else if (hasTrustedOverlay && foundTrustedOverlay) {
+        []() { FAIL(); }();
+    }
+    return foundTrustedOverlay;
+}
+
 bool SurfaceInterceptorTest::surfaceUpdateFound(const Trace& trace,
         SurfaceChange::SurfaceChangeCase changeCase) {
     bool foundUpdate = false;
@@ -704,6 +722,9 @@ bool SurfaceInterceptorTest::surfaceUpdateFound(const Trace& trace,
                         case SurfaceChange::SurfaceChangeCase::kShadowRadius:
                             foundUpdate = shadowRadiusUpdateFound(change, foundUpdate);
                             break;
+                        case SurfaceChange::SurfaceChangeCase::kTrustedOverlay:
+                            foundUpdate = trustedOverlayUpdateFound(change, foundUpdate);
+                            break;
                         case SurfaceChange::SurfaceChangeCase::SURFACECHANGE_NOT_SET:
                             break;
                     }
@@ -897,6 +918,11 @@ TEST_F(SurfaceInterceptorTest, InterceptShadowRadiusUpdateWorks) {
                 SurfaceChange::SurfaceChangeCase::kShadowRadius);
 }
 
+TEST_F(SurfaceInterceptorTest, InterceptTrustedOverlayUpdateWorks) {
+    captureTest(&SurfaceInterceptorTest::trustedOverlayUpdate,
+                SurfaceChange::SurfaceChangeCase::kTrustedOverlay);
+}
+
 TEST_F(SurfaceInterceptorTest, InterceptAllUpdatesWorks) {
     captureTest(&SurfaceInterceptorTest::runAllUpdates,
                 &SurfaceInterceptorTest::assertAllUpdatesFound);
diff --git a/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp b/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
index 0a8c7486f7..97b60e0d8b 100644
--- a/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
+++ b/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
@@ -160,7 +160,7 @@ public:
     size_t maxTokens;
     static constexpr pid_t kSurfaceFlingerPid = 666;
     static constexpr nsecs_t kPresentThreshold = std::chrono::nanoseconds(2ns).count();
-    static constexpr nsecs_t kDeadlineThreshold = std::chrono::nanoseconds(2ns).count();
+    static constexpr nsecs_t kDeadlineThreshold = std::chrono::nanoseconds(0ns).count();
     static constexpr nsecs_t kStartThreshold = std::chrono::nanoseconds(2ns).count();
     static constexpr JankClassificationThresholds kTestThresholds{kPresentThreshold,
                                                                   kDeadlineThreshold,
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
index d4b229fa22..3423bd590b 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
@@ -165,6 +165,7 @@ protected:
                                      RefreshRate::ConstructorTag(0)};
     RefreshRate mExpected120Config = {HWC_CONFIG_ID_120, mConfig120, Fps(120),
                                       RefreshRate::ConstructorTag(0)};
+
 private:
     DisplayModePtr createDisplayMode(DisplayModeId modeId, int32_t group, int64_t vsyncPeriod,
                                      ui::Size resolution = ui::Size());
@@ -487,6 +488,52 @@ TEST_F(RefreshRateConfigsTest, getBestRefreshRate_60_90) {
               refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
 }
 
+TEST_F(RefreshRateConfigsTest, getBestRefreshRate_multipleThreshold_60_90) {
+    RefreshRateConfigs::Config config = {.frameRateMultipleThreshold = 90};
+    auto refreshRateConfigs =
+            std::make_unique<RefreshRateConfigs>(m60_90Device,
+                                                 /*currentConfigId=*/HWC_CONFIG_ID_60, config);
+
+    auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::Min;
+    lr.name = "Min";
+    EXPECT_EQ(mExpected60Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr.vote = LayerVoteType::Max;
+    lr.name = "Max";
+    EXPECT_EQ(mExpected90Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr.desiredRefreshRate = Fps(90.0f);
+    lr.vote = LayerVoteType::Heuristic;
+    lr.name = "90Hz Heuristic";
+    EXPECT_EQ(mExpected90Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr.desiredRefreshRate = Fps(60.0f);
+    lr.name = "60Hz Heuristic";
+    EXPECT_EQ(mExpected60Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr.desiredRefreshRate = Fps(45.0f);
+    lr.name = "45Hz Heuristic";
+    EXPECT_EQ(mExpected90Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr.desiredRefreshRate = Fps(30.0f);
+    lr.name = "30Hz Heuristic";
+    EXPECT_EQ(mExpected60Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr.desiredRefreshRate = Fps(24.0f);
+    lr.name = "24Hz Heuristic";
+    EXPECT_EQ(mExpected60Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+}
+
 TEST_F(RefreshRateConfigsTest, getBestRefreshRate_60_72_90) {
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m60_72_90Device,
@@ -649,6 +696,99 @@ TEST_F(RefreshRateConfigsTest, getBestRefreshRate_30_60_90_120_DifferentTypes) {
               refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
 }
 
+TEST_F(RefreshRateConfigsTest, getBestRefreshRate_30_60_90_120_DifferentTypes_multipleThreshold) {
+    RefreshRateConfigs::Config config = {.frameRateMultipleThreshold = 120};
+    auto refreshRateConfigs =
+            std::make_unique<RefreshRateConfigs>(m30_60_72_90_120Device,
+                                                 /*currentConfigId=*/HWC_CONFIG_ID_60, config);
+
+    auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f},
+                                                LayerRequirement{.weight = 1.0f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = Fps(60.0f);
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "60Hz Heuristic";
+    EXPECT_EQ(mExpected120Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = Fps(60.0f);
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "60Hz Heuristic";
+    EXPECT_EQ(mExpected60Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = Fps(60.0f);
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "60Hz ExplicitDefault";
+    EXPECT_EQ(mExpected72Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = Fps(90.0f);
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(mExpected90Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = Fps(90.0f);
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(mExpected72Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = Fps(90.0f);
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(mExpected90Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.name = "24Hz Heuristic";
+    lr2.desiredRefreshRate = Fps(90.0f);
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz ExplicitDefault";
+    EXPECT_EQ(mExpected72Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = Fps(90.0f);
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz ExplicitDefault";
+    EXPECT_EQ(mExpected72Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+
+    lr1.desiredRefreshRate = Fps(24.0f);
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = Fps(90.0f);
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.name = "90Hz ExplicitExactOrMultiple";
+    EXPECT_EQ(mExpected90Config,
+              refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false}));
+}
+
 TEST_F(RefreshRateConfigsTest, getBestRefreshRate_30_60) {
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m30_60Device,
@@ -819,6 +959,24 @@ TEST_F(RefreshRateConfigsTest, getBestRefreshRate_24FpsVideo) {
     }
 }
 
+TEST_F(RefreshRateConfigsTest, getBestRefreshRate_24FpsVideo_multipleThreshold_60_120) {
+    RefreshRateConfigs::Config config = {.frameRateMultipleThreshold = 120};
+    auto refreshRateConfigs =
+            std::make_unique<RefreshRateConfigs>(m60_120Device,
+                                                 /*currentConfigId=*/HWC_CONFIG_ID_60, config);
+
+    auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
+    for (float fps = 23.0f; fps < 25.0f; fps += 0.1f) {
+        lr.desiredRefreshRate = Fps(fps);
+        const auto& refreshRate =
+                refreshRateConfigs->getBestRefreshRate(layers, {.touch = false, .idle = false});
+        EXPECT_EQ(mExpected60Config, refreshRate) << fps << "Hz chooses " << refreshRate.getName();
+    }
+}
+
 TEST_F(RefreshRateConfigsTest, twoDeviceConfigs_getBestRefreshRate_Explicit) {
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m60_90Device,
@@ -1732,10 +1890,10 @@ TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ExplicitExact) {
 }
 
 TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ExplicitExactEnableFrameRateOverride) {
+    RefreshRateConfigs::Config config = {.enableFrameRateOverride = true};
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m30_60_72_90_120Device,
-                                                 /*currentConfigId=*/HWC_CONFIG_ID_60,
-                                                 /*enableFrameRateOverride=*/true);
+                                                 /*currentConfigId=*/HWC_CONFIG_ID_60, config);
 
     auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f},
                                                 LayerRequirement{.weight = 0.5f}};
@@ -1846,10 +2004,10 @@ TEST_F(RefreshRateConfigsTest, getBestRefreshRate_WritesCache) {
 }
 
 TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ExplicitExactTouchBoost) {
+    RefreshRateConfigs::Config config = {.enableFrameRateOverride = true};
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m60_120Device,
-                                                 /*currentConfigId=*/HWC_CONFIG_ID_60,
-                                                 /*enableFrameRateOverride=*/true);
+                                                 /*currentConfigId=*/HWC_CONFIG_ID_60, config);
 
     auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f},
                                                 LayerRequirement{.weight = 0.5f}};
@@ -1908,6 +2066,35 @@ TEST_F(RefreshRateConfigsTest, testKernelIdleTimerAction) {
     EXPECT_EQ(KernelIdleTimerAction::TurnOff, refreshRateConfigs->getIdleTimerAction());
 }
 
+TEST_F(RefreshRateConfigsTest, testKernelIdleTimerActionFor120Hz) {
+    using KernelIdleTimerAction = scheduler::RefreshRateConfigs::KernelIdleTimerAction;
+
+    // Tests with 120Hz
+    auto refreshRateConfigs =
+            std::make_unique<RefreshRateConfigs>(m60_120Device,
+                                                 /*currentConfigId=*/HWC_CONFIG_ID_120);
+    // SetPolicy(0, 60), current 60Hz => TurnOn.
+    ASSERT_GE(refreshRateConfigs->setDisplayManagerPolicy({HWC_CONFIG_ID_60, {Fps(0), Fps(60)}}),
+              0);
+    EXPECT_EQ(KernelIdleTimerAction::TurnOn, refreshRateConfigs->getIdleTimerAction());
+
+    // SetPolicy(60, 60), current 60Hz => TurnOff.
+    ASSERT_GE(refreshRateConfigs->setDisplayManagerPolicy({HWC_CONFIG_ID_60, {Fps(60), Fps(60)}}),
+              0);
+    EXPECT_EQ(KernelIdleTimerAction::TurnOff, refreshRateConfigs->getIdleTimerAction());
+
+    // SetPolicy(60, 120), current 60Hz => TurnOn.
+    ASSERT_GE(refreshRateConfigs->setDisplayManagerPolicy({HWC_CONFIG_ID_60, {Fps(60), Fps(120)}}),
+              0);
+    EXPECT_EQ(KernelIdleTimerAction::TurnOn, refreshRateConfigs->getIdleTimerAction());
+
+    // SetPolicy(120, 120), current 120Hz => TurnOff.
+    ASSERT_GE(refreshRateConfigs->setDisplayManagerPolicy(
+                      {HWC_CONFIG_ID_120, {Fps(120), Fps(120)}}),
+              0);
+    EXPECT_EQ(KernelIdleTimerAction::TurnOff, refreshRateConfigs->getIdleTimerAction());
+}
+
 TEST_F(RefreshRateConfigsTest, getFrameRateDivider) {
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m30_60_72_90_120Device,
@@ -1950,10 +2137,10 @@ TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_noLayers) {
 }
 
 TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_60on120) {
+    RefreshRateConfigs::Config config = {.enableFrameRateOverride = true};
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m30_60_72_90_120Device, /*currentConfigId=*/
-                                                 HWC_CONFIG_ID_120,
-                                                 /*enableFrameRateOverride=*/true);
+                                                 HWC_CONFIG_ID_120, config);
 
     auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f}};
     layers[0].name = "Test layer";
@@ -1995,10 +2182,10 @@ TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_60on120) {
 }
 
 TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_twoUids) {
+    RefreshRateConfigs::Config config = {.enableFrameRateOverride = true};
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m30_60_72_90_120Device, /*currentConfigId=*/
-                                                 HWC_CONFIG_ID_120,
-                                                 /*enableFrameRateOverride=*/true);
+                                                 HWC_CONFIG_ID_120, config);
 
     auto layers = std::vector<LayerRequirement>{
             LayerRequirement{.ownerUid = 1234, .weight = 1.0f},
@@ -2035,10 +2222,10 @@ TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_twoUids) {
 }
 
 TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_touch) {
+    RefreshRateConfigs::Config config = {.enableFrameRateOverride = true};
     auto refreshRateConfigs =
             std::make_unique<RefreshRateConfigs>(m30_60_72_90_120Device, /*currentConfigId=*/
-                                                 HWC_CONFIG_ID_120,
-                                                 /*enableFrameRateOverride=*/true);
+                                                 HWC_CONFIG_ID_120, config);
 
     auto layers = std::vector<LayerRequirement>{
             LayerRequirement{.ownerUid = 1234, .weight = 1.0f},
diff --git a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
index 1ed52ea389..2761470c31 100644
--- a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
@@ -485,5 +485,40 @@ TEST_P(SetFrameRateTest, SetOnParentActivatesTree) {
     EXPECT_TRUE(FRAME_RATE_VOTE1.rate.equalsWithMargin(layerHistorySummary[1].desiredRefreshRate));
 }
 
+TEST_P(SetFrameRateTest, addChildForParentWithTreeVote) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    const auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    const auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    const auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    const auto childOfChild1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+    addChild(child1, childOfChild1);
+
+    childOfChild1->setFrameRate(FRAME_RATE_VOTE1);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, childOfChild1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+
+    addChild(parent, child2);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, childOfChild1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+
+    childOfChild1->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, childOfChild1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+}
+
 } // namespace
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 7f6e05ec9f..cf67593174 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -230,7 +230,8 @@ public:
                 std::make_unique<scheduler::RefreshRateStats>(*mFlinger->mTimeStats, currFps,
                                                               /*powerMode=*/hal::PowerMode::OFF);
         mFlinger->mVsyncConfiguration = mFactory.createVsyncConfiguration(currFps);
-        mFlinger->mVsyncModulator.emplace(mFlinger->mVsyncConfiguration->getCurrentConfigs());
+        mFlinger->mVsyncModulator = sp<scheduler::VsyncModulator>::make(
+                mFlinger->mVsyncConfiguration->getCurrentConfigs());
 
         mScheduler = new TestableScheduler(std::move(vsyncController), std::move(vsyncTracker),
                                            *mFlinger->mRefreshRateConfigs, *(callback ?: this));
diff --git a/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp b/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
index d59d64bc02..ddc02bfbe6 100644
--- a/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
@@ -942,6 +942,27 @@ TEST_F(VSyncDispatchTimerQueueTest, basicAlarmSettingFutureWithReadyDuration) {
     EXPECT_THAT(cb.mReadyTime[0], 970);
 }
 
+TEST_F(VSyncDispatchTimerQueueTest, updatesVsyncTimeForCloseWakeupTime) {
+    Sequence seq;
+    EXPECT_CALL(mMockClock, alarmAt(_, 600)).InSequence(seq);
+
+    CountingCallback cb(mDispatch);
+
+    mDispatch.schedule(cb, {.workDuration = 400, .readyDuration = 0, .earliestVsync = 1000});
+    mDispatch.schedule(cb, {.workDuration = 1400, .readyDuration = 0, .earliestVsync = 1000});
+
+    advanceToNextCallback();
+
+    advanceToNextCallback();
+
+    ASSERT_THAT(cb.mCalls.size(), Eq(1));
+    EXPECT_THAT(cb.mCalls[0], Eq(2000));
+    ASSERT_THAT(cb.mWakeupTime.size(), Eq(1));
+    EXPECT_THAT(cb.mWakeupTime[0], Eq(600));
+    ASSERT_THAT(cb.mReadyTime.size(), Eq(1));
+    EXPECT_THAT(cb.mReadyTime[0], Eq(2000));
+}
+
 class VSyncDispatchTimerQueueEntryTest : public testing::Test {
 protected:
     nsecs_t const mPeriod = 1000;
diff --git a/services/surfaceflinger/tests/unittests/VsyncModulatorTest.cpp b/services/surfaceflinger/tests/unittests/VsyncModulatorTest.cpp
index 60952bfa2f..b5195826b1 100644
--- a/services/surfaceflinger/tests/unittests/VsyncModulatorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VsyncModulatorTest.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <binder/Binder.h>
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
@@ -21,6 +22,13 @@
 
 namespace android::scheduler {
 
+class TestableVsyncModulator : public VsyncModulator {
+public:
+    TestableVsyncModulator(const VsyncConfigSet& config, Now now) : VsyncModulator(config, now) {}
+
+    void binderDied(const wp<IBinder>& token) { VsyncModulator::binderDied(token); }
+};
+
 class VsyncModulatorTest : public testing::Test {
     enum {
         SF_OFFSET_LATE,
@@ -60,30 +68,31 @@ protected:
 
     const VsyncModulator::VsyncConfigSet mOffsets = {kEarly, kEarlyGpu, kLate,
                                                      nanos(HWC_MIN_WORK_DURATION)};
-    VsyncModulator mVsyncModulator{mOffsets, Now};
+    sp<TestableVsyncModulator> mVsyncModulator = sp<TestableVsyncModulator>::make(mOffsets, Now);
 
-    void SetUp() override { EXPECT_EQ(kLate, mVsyncModulator.setVsyncConfigSet(mOffsets)); }
+    void SetUp() override { EXPECT_EQ(kLate, mVsyncModulator->setVsyncConfigSet(mOffsets)); }
 };
 
-#define CHECK_COMMIT(result, configs)                         \
-    EXPECT_EQ(result, mVsyncModulator.onTransactionCommit()); \
-    EXPECT_EQ(configs, mVsyncModulator.getVsyncConfig());
+#define CHECK_COMMIT(result, configs)                          \
+    EXPECT_EQ(result, mVsyncModulator->onTransactionCommit()); \
+    EXPECT_EQ(configs, mVsyncModulator->getVsyncConfig());
 
-#define CHECK_REFRESH(N, result, configs)                           \
-    for (int i = 0; i < N; i++) {                                   \
-        EXPECT_EQ(result, mVsyncModulator.onDisplayRefresh(false)); \
-        EXPECT_EQ(configs, mVsyncModulator.getVsyncConfig());       \
+#define CHECK_REFRESH(N, result, configs)                            \
+    for (int i = 0; i < N; i++) {                                    \
+        EXPECT_EQ(result, mVsyncModulator->onDisplayRefresh(false)); \
+        EXPECT_EQ(configs, mVsyncModulator->getVsyncConfig());       \
     }
 
 TEST_F(VsyncModulatorTest, Late) {
-    EXPECT_FALSE(mVsyncModulator.setTransactionSchedule(Schedule::Late));
+    EXPECT_FALSE(mVsyncModulator->setTransactionSchedule(Schedule::Late));
 
     CHECK_COMMIT(std::nullopt, kLate);
     CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kLate);
 }
 
 TEST_F(VsyncModulatorTest, EarlyEnd) {
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyEnd));
+    const auto token = sp<BBinder>::make();
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
@@ -91,12 +100,13 @@ TEST_F(VsyncModulatorTest, EarlyEnd) {
 }
 
 TEST_F(VsyncModulatorTest, EarlyStart) {
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyStart));
+    const auto token = sp<BBinder>::make();
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyStart, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(5 * MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kEarly);
 
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyEnd));
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
@@ -104,16 +114,17 @@ TEST_F(VsyncModulatorTest, EarlyStart) {
 }
 
 TEST_F(VsyncModulatorTest, EarlyStartWithMoreTransactions) {
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyStart));
+    const auto token = sp<BBinder>::make();
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyStart, token));
 
     CHECK_COMMIT(kEarly, kEarly);
 
     for (int i = 0; i < 5 * MIN_EARLY_TRANSACTION_FRAMES; i++) {
-        EXPECT_FALSE(mVsyncModulator.setTransactionSchedule(Schedule::Late));
+        EXPECT_FALSE(mVsyncModulator->setTransactionSchedule(Schedule::Late));
         CHECK_REFRESH(1, std::nullopt, kEarly);
     }
 
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyEnd));
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
@@ -121,18 +132,19 @@ TEST_F(VsyncModulatorTest, EarlyStartWithMoreTransactions) {
 }
 
 TEST_F(VsyncModulatorTest, EarlyStartAfterEarlyEnd) {
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyEnd));
+    const auto token = sp<BBinder>::make();
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
 
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyStart));
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyStart, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(1, kEarly, kEarly);
     CHECK_REFRESH(5 * MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kEarly);
 
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyEnd));
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
@@ -140,26 +152,64 @@ TEST_F(VsyncModulatorTest, EarlyStartAfterEarlyEnd) {
 }
 
 TEST_F(VsyncModulatorTest, EarlyStartAfterEarlyEndWithMoreTransactions) {
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyEnd));
+    const auto token = sp<BBinder>::make();
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
 
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyStart));
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyStart, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(1, kEarly, kEarly);
 
     for (int i = 0; i < 5 * MIN_EARLY_TRANSACTION_FRAMES; i++) {
-        EXPECT_FALSE(mVsyncModulator.setTransactionSchedule(Schedule::Late));
+        EXPECT_FALSE(mVsyncModulator->setTransactionSchedule(Schedule::Late));
         CHECK_REFRESH(1, std::nullopt, kEarly);
     }
 
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyEnd));
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token));
 
     CHECK_COMMIT(kEarly, kEarly);
     CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
     CHECK_REFRESH(1, kLate, kLate);
 }
 
+TEST_F(VsyncModulatorTest, EarlyStartDifferentClients) {
+    const auto token1 = sp<BBinder>::make();
+    const auto token2 = sp<BBinder>::make();
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyStart, token1));
+
+    CHECK_COMMIT(kEarly, kEarly);
+    CHECK_REFRESH(5 * MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kEarly);
+
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyStart, token2));
+
+    CHECK_COMMIT(kEarly, kEarly);
+    CHECK_REFRESH(5 * MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kEarly);
+
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token1));
+
+    CHECK_COMMIT(kEarly, kEarly);
+    CHECK_REFRESH(5 * MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kEarly);
+
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyEnd, token2));
+
+    CHECK_COMMIT(kEarly, kEarly);
+    CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
+    CHECK_REFRESH(1, kLate, kLate);
+}
+
+TEST_F(VsyncModulatorTest, EarlyStartWithBinderDeath) {
+    const auto token = sp<BBinder>::make();
+    EXPECT_EQ(kEarly, mVsyncModulator->setTransactionSchedule(Schedule::EarlyStart, token));
+
+    CHECK_COMMIT(kEarly, kEarly);
+    CHECK_REFRESH(5 * MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kEarly);
+
+    mVsyncModulator->binderDied(token);
+
+    CHECK_COMMIT(std::nullopt, kLate);
+}
+
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
index 7450b5dfa4..159bdf1c01 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
@@ -27,8 +27,10 @@ public:
     PowerAdvisor();
     ~PowerAdvisor() override;
 
+    MOCK_METHOD0(init, void());
     MOCK_METHOD0(onBootFinished, void());
     MOCK_METHOD2(setExpensiveRenderingExpected, void(DisplayId displayId, bool expected));
+    MOCK_METHOD0(isUsingExpensiveRendering, bool());
     MOCK_METHOD0(notifyDisplayUpdateImminent, void());
 };