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LeafOS / LeafOS-Project / android_hardware_qcom_display / 17495f1332e28b8469d85466a2ce608979bb231c / . / composer / hwc_session.cpp
blob: 0a90fd90d94e75692de9c653b1da26e95a5c1f35 [file] [log] [blame]
/*
* Copyright (c) 2014-2019, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright 2015 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.
*/
#include <QService.h>
#include <binder/Parcel.h>
#include <core/buffer_allocator.h>
#include <cutils/properties.h>
#include <display_config.h>
#include <hardware_legacy/uevent.h>
#include <private/color_params.h>
#include <qd_utils.h>
#include <sync/sync.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <utils/String16.h>
#include <utils/constants.h>
#include <utils/debug.h>
#include <QService.h>
#include <utils/utils.h>
#include <algorithm>
#include <utility>
#include <bitset>
#include <iterator>
#include <memory>
#include <string>
#include <thread>
#include <vector>
#include "hwc_buffer_allocator.h"
#include "hwc_session.h"
#include "hwc_debugger.h"
#define __CLASS__ "HWCSession"
#define HWC_UEVENT_SWITCH_HDMI "change@/devices/virtual/switch/hdmi"
#define HWC_UEVENT_DRM_EXT_HOTPLUG "mdss_mdp/drm/card"
namespace sdm {
static HWCUEvent g_hwc_uevent_;
Locker HWCSession::locker_[HWCCallbacks::kNumDisplays];
bool HWCSession::pending_power_mode_[HWCCallbacks::kNumDisplays];
Locker HWCSession::power_state_[HWCCallbacks::kNumDisplays];
Locker HWCSession::display_config_locker_;
static const int kSolidFillDelay = 100 * 1000;
int HWCSession::null_display_mode_ = 0;
static const uint32_t kBrightnessScaleMax = 100;
static const uint32_t kSvBlScaleMax = 65535;
// Map the known color modes to dataspace.
int32_t GetDataspaceFromColorMode(ColorMode mode) {
switch (mode) {
case ColorMode::SRGB:
case ColorMode::NATIVE:
return HAL_DATASPACE_V0_SRGB;
case ColorMode::DCI_P3:
return HAL_DATASPACE_DCI_P3;
case ColorMode::DISPLAY_P3:
return HAL_DATASPACE_DISPLAY_P3;
case ColorMode::BT2100_PQ:
return HAL_DATASPACE_BT2020_PQ;
case ColorMode::BT2100_HLG:
return HAL_DATASPACE_BT2020_HLG;
case ColorMode::DISPLAY_BT2020:
return HAL_DATASPACE_DISPLAY_BT2020;
default:
return HAL_DATASPACE_UNKNOWN;
}
}
void HWCUEvent::UEventThread(HWCUEvent *hwc_uevent) {
const char *uevent_thread_name = "HWC_UeventThread";
prctl(PR_SET_NAME, uevent_thread_name, 0, 0, 0);
setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
int status = uevent_init();
if (!status) {
std::unique_lock<std::mutex> caller_lock(hwc_uevent->mutex_);
hwc_uevent->caller_cv_.notify_one();
DLOGE("Failed to init uevent with err %d", status);
return;
}
{
// Signal caller thread that worker thread is ready to listen to events.
std::unique_lock<std::mutex> caller_lock(hwc_uevent->mutex_);
hwc_uevent->init_done_ = true;
hwc_uevent->caller_cv_.notify_one();
}
while (1) {
char uevent_data[PAGE_SIZE] = {};
// keep last 2 zeros to ensure double 0 termination
int length = uevent_next_event(uevent_data, INT32(sizeof(uevent_data)) - 2);
// scope of lock to this block only, so that caller is free to set event handler to nullptr;
{
std::lock_guard<std::mutex> guard(hwc_uevent->mutex_);
if (hwc_uevent->uevent_listener_) {
hwc_uevent->uevent_listener_->UEventHandler(uevent_data, length);
} else {
DLOGW("UEvent dropped. No uevent listener.");
}
}
}
}
HWCUEvent::HWCUEvent() {
std::unique_lock<std::mutex> caller_lock(mutex_);
std::thread thread(HWCUEvent::UEventThread, this);
thread.detach();
caller_cv_.wait(caller_lock);
}
void HWCUEvent::Register(HWCUEventListener *uevent_listener) {
DLOGI("Set uevent listener = %p", uevent_listener);
std::lock_guard<std::mutex> obj(mutex_);
uevent_listener_ = uevent_listener;
}
HWCSession::HWCSession() : cwb_(this) {}
HWCSession *HWCSession::GetInstance() {
// executed only once for the very first call.
// GetInstance called multiple times from Composer and ComposerClient
static HWCSession *hwc_session = new HWCSession();
return hwc_session;
}
int HWCSession::Init() {
SCOPE_LOCK(locker_[HWC_DISPLAY_PRIMARY]);
int status = -EINVAL;
const char *qservice_name = "display.qservice";
if (!g_hwc_uevent_.InitDone()) {
return status;
}
// Start QService and connect to it.
qService::QService::init();
android::sp<qService::IQService> iqservice = android::interface_cast<qService::IQService>(
android::defaultServiceManager()->getService(android::String16(qservice_name)));
if (iqservice.get()) {
iqservice->connect(android::sp<qClient::IQClient>(this));
qservice_ = reinterpret_cast<qService::QService *>(iqservice.get());
} else {
DLOGE("Failed to acquire %s", qservice_name);
return -EINVAL;
}
HWCDebugHandler::Get()->GetProperty(ENABLE_NULL_DISPLAY_PROP, &null_display_mode_);
HWCDebugHandler::Get()->GetProperty(DISABLE_HOTPLUG_BWCHECK, &disable_hotplug_bwcheck_);
HWCDebugHandler::Get()->GetProperty(DISABLE_MASK_LAYER_HINT, &disable_mask_layer_hint_);
if (!null_display_mode_) {
g_hwc_uevent_.Register(this);
}
int value = 1; // Default value when property is not present.
Debug::Get()->GetProperty(ENABLE_ASYNC_POWERMODE, &value);
async_powermode_ = (value == 1);
DLOGI("builtin_powermode_override: %d", async_powermode_);
InitSupportedDisplaySlots();
// Create primary display here. Remaining builtin displays will be created after client has set
// display indexes which may happen sometime before callback is registered.
status = CreatePrimaryDisplay();
if (status) {
Deinit();
return status;
}
is_composer_up_ = true;
StartServices();
return 0;
}
int HWCSession::Deinit() {
// Destroy all connected displays
DestroyDisplay(&map_info_primary_);
for (auto &map_info : map_info_builtin_) {
DestroyDisplay(&map_info);
}
for (auto &map_info : map_info_pluggable_) {
DestroyDisplay(&map_info);
}
for (auto &map_info : map_info_virtual_) {
DestroyDisplay(&map_info);
}
if (color_mgr_) {
color_mgr_->DestroyColorManager();
}
if (!null_display_mode_) {
g_hwc_uevent_.Register(nullptr);
DisplayError error = CoreInterface::DestroyCore();
if (error != kErrorNone) {
DLOGE("Display core de-initialization failed. Error = %d", error);
}
}
return 0;
}
void HWCSession::InitSupportedDisplaySlots() {
// Default slots:
// Primary = 0, External = 1
// Additional external displays 2,3,...max_pluggable_count.
// Additional builtin displays max_pluggable_count + 1, max_pluggable_count + 2,...
// Last slots for virtual displays.
// Virtual display id is only for SF <--> HWC communication.
// It need not align with hwccomposer_defs
map_info_primary_.client_id = qdutils::DISPLAY_PRIMARY;
if (null_display_mode_) {
InitSupportedNullDisplaySlots();
return;
}
DisplayError error = CoreInterface::CreateCore(&buffer_allocator_, &buffer_sync_handler_,
&socket_handler_, &core_intf_);
if (error != kErrorNone) {
DLOGE("Failed to create CoreInterface");
return;
}
HWDisplayInterfaceInfo hw_disp_info = {};
error = core_intf_->GetFirstDisplayInterfaceType(&hw_disp_info);
if (error != kErrorNone) {
CoreInterface::DestroyCore();
DLOGE("Primary display type not recognized. Error = %d", error);
return;
}
int max_builtin = 0;
int max_pluggable = 0;
int max_virtual = 0;
error = core_intf_->GetMaxDisplaysSupported(kBuiltIn, &max_builtin);
if (error != kErrorNone) {
CoreInterface::DestroyCore();
DLOGE("Could not find maximum built-in displays supported. Error = %d", error);
return;
}
error = core_intf_->GetMaxDisplaysSupported(kPluggable, &max_pluggable);
if (error != kErrorNone) {
CoreInterface::DestroyCore();
DLOGE("Could not find maximum pluggable displays supported. Error = %d", error);
return;
}
error = core_intf_->GetMaxDisplaysSupported(kVirtual, &max_virtual);
if (error != kErrorNone) {
CoreInterface::DestroyCore();
DLOGE("Could not find maximum virtual displays supported. Error = %d", error);
return;
}
if (max_virtual == 0) {
// Check if WB using GPU is supported.
max_virtual += virtual_display_factory_.IsGPUColorConvertSupported() ? 1 : 0;
}
if (kPluggable == hw_disp_info.type) {
// If primary is a pluggable display, we have already used one pluggable display interface.
max_pluggable--;
} else {
max_builtin--;
}
// Init slots in accordance to h/w capability.
uint32_t disp_count = UINT32(std::min(max_pluggable, HWCCallbacks::kNumPluggable));
hwc2_display_t base_id = qdutils::DISPLAY_EXTERNAL;
map_info_pluggable_.resize(disp_count);
for (auto &map_info : map_info_pluggable_) {
map_info.client_id = base_id++;
}
disp_count = UINT32(std::min(max_builtin, HWCCallbacks::kNumBuiltIn));
map_info_builtin_.resize(disp_count);
for (auto &map_info : map_info_builtin_) {
map_info.client_id = base_id++;
}
disp_count = UINT32(std::min(max_virtual, HWCCallbacks::kNumVirtual));
map_info_virtual_.resize(disp_count);
for (auto &map_info : map_info_virtual_) {
map_info.client_id = base_id++;
}
// resize HDR supported map to total number of displays.
is_hdr_display_.resize(UINT32(base_id));
if (!async_powermode_) {
return;
}
int start_index = HWCCallbacks::kNumRealDisplays;
std::vector<DisplayMapInfo> map_info = {map_info_primary_};
std::copy(map_info_builtin_.begin(), map_info_builtin_.end(), std::back_inserter(map_info));
std::copy(map_info_pluggable_.begin(), map_info_pluggable_.end(), std::back_inserter(map_info));
for (auto &map : map_info) {
DLOGI("Display Pairs: map.client_id: %d, start_index: %d", map.client_id, start_index);
map_hwc_display_.insert(std::make_pair(map.client_id, start_index++));
}
}
void HWCSession::InitSupportedNullDisplaySlots() {
if (!null_display_mode_) {
DLOGE("Should only be invoked during null display");
return;
}
map_info_primary_.client_id = 0;
// Resize HDR supported map to total number of displays
is_hdr_display_.resize(1);
if (!async_powermode_) {
return;
}
DLOGI("Display Pairs: map.client_id: %d, start_index: %d", map_info_primary_.client_id,
HWCCallbacks::kNumRealDisplays);
map_hwc_display_.insert(std::make_pair(map_info_primary_.client_id,
HWCCallbacks::kNumRealDisplays));
}
int HWCSession::GetDisplayIndex(int dpy) {
DisplayMapInfo *map_info = nullptr;
switch (dpy) {
case qdutils::DISPLAY_PRIMARY:
map_info = &map_info_primary_;
break;
case qdutils::DISPLAY_EXTERNAL:
map_info = map_info_pluggable_.size() ? &map_info_pluggable_[0] : nullptr;
break;
case qdutils::DISPLAY_EXTERNAL_2:
map_info = (map_info_pluggable_.size() > 1) ? &map_info_pluggable_[1] : nullptr;
break;
case qdutils::DISPLAY_VIRTUAL:
map_info = map_info_virtual_.size() ? &map_info_virtual_[0] : nullptr;
break;
case qdutils::DISPLAY_BUILTIN_2:
map_info = map_info_builtin_.size() ? &map_info_builtin_[0] : nullptr;
break;
default:
DLOGW("Unknown display %d.", dpy);
break;
}
if (!map_info) {
DLOGE("Display index not found for display %d.", dpy);
return -1;
}
return INT(map_info->client_id);
}
void HWCSession::GetCapabilities(uint32_t *outCount, int32_t *outCapabilities) {
if (!outCount) {
return;
}
int value = 0;
bool disable_skip_validate = false;
if (Debug::Get()->GetProperty(DISABLE_SKIP_VALIDATE_PROP, &value) == kErrorNone) {
disable_skip_validate = (value == 1);
}
uint32_t count = 1 + (disable_skip_validate ? 0 : 1);
if (outCapabilities != nullptr && (*outCount >= count)) {
outCapabilities[0] = HWC2_CAPABILITY_SKIP_CLIENT_COLOR_TRANSFORM;
if (!disable_skip_validate) {
outCapabilities[1] = HWC2_CAPABILITY_SKIP_VALIDATE;
}
}
*outCount = count;
}
template <typename PFN, typename T>
static hwc2_function_pointer_t AsFP(T function) {
static_assert(std::is_same<PFN, T>::value, "Incompatible function pointer");
return reinterpret_cast<hwc2_function_pointer_t>(function);
}
// HWC2 functions returned in GetFunction
// Defined in the same order as in the HWC2 header
int32_t HWCSession::AcceptDisplayChanges(hwc2_display_t display) {
return CallDisplayFunction(display, &HWCDisplay::AcceptDisplayChanges);
}
int32_t HWCSession::CreateLayer(hwc2_display_t display,
hwc2_layer_t *out_layer_id) {
if (!out_layer_id) {
return HWC2_ERROR_BAD_PARAMETER;
}
return CallDisplayFunction(display, &HWCDisplay::CreateLayer, out_layer_id);
}
int32_t HWCSession::CreateVirtualDisplay(uint32_t width, uint32_t height, int32_t *format,
hwc2_display_t *out_display_id) {
// TODO(user): Handle concurrency with HDMI
if (!out_display_id || !width || !height || !format) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (null_display_mode_) {
return 0;
}
auto status = CreateVirtualDisplayObj(width, height, format, out_display_id);
if (status == HWC2::Error::None) {
DLOGI("Created virtual display id:% " PRIu64 ", res: %dx%d", *out_display_id, width, height);
} else {
DLOGE("Failed to create virtual display: %s", to_string(status).c_str());
}
return INT32(status);
}
int32_t HWCSession::DestroyLayer(hwc2_display_t display, hwc2_layer_t layer) {
return CallDisplayFunction(display, &HWCDisplay::DestroyLayer, layer);
}
int32_t HWCSession::DestroyVirtualDisplay(hwc2_display_t display) {
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (active_builtin_disp_id < HWCCallbacks::kNumDisplays) {
Locker::ScopeLock lock_a(locker_[active_builtin_disp_id]);
std::bitset<kSecureMax> secure_sessions = 0;
hwc_display_[active_builtin_disp_id]->GetActiveSecureSession(&secure_sessions);
if (secure_sessions.any()) {
DLOGW("Secure session is active, defer destruction of virtual display id:%" PRIu64, display);
destroy_virtual_disp_pending_ = true;
return HWC2_ERROR_NONE;
}
}
for (auto &map_info : map_info_virtual_) {
if (map_info.client_id == display) {
DLOGI("Destroying virtual display id:%" PRIu64, display);
DestroyDisplay(&map_info);
break;
}
}
return HWC2_ERROR_NONE;
}
void HWCSession::Dump(uint32_t *out_size, char *out_buffer) {
if (!out_size) {
return;
}
const size_t max_dump_size = 16384; // 16 kB
if (out_buffer == nullptr) {
*out_size = max_dump_size;
} else {
std::string s {};
for (int id = 0; id < HWCCallbacks::kNumRealDisplays; id++) {
SCOPE_LOCK(locker_[id]);
if (hwc_display_[id]) {
s += hwc_display_[id]->Dump();
}
}
auto copied = s.copy(out_buffer, std::min(s.size(), max_dump_size), 0);
*out_size = UINT32(copied);
}
}
uint32_t HWCSession::GetMaxVirtualDisplayCount() {
return 1;
}
int32_t HWCSession::GetActiveConfig(hwc2_display_t display, hwc2_config_t *out_config) {
return CallDisplayFunction(display, &HWCDisplay::GetActiveConfig, out_config);
}
int32_t HWCSession::GetChangedCompositionTypes(hwc2_display_t display, uint32_t *out_num_elements,
hwc2_layer_t *out_layers, int32_t *out_types) {
// null_ptr check only for out_num_elements, as out_layers and out_types can be null.
if (!out_num_elements) {
return HWC2_ERROR_BAD_PARAMETER;
}
return CallDisplayFunction(display, &HWCDisplay::GetChangedCompositionTypes, out_num_elements,
out_layers, out_types);
}
int32_t HWCSession::GetClientTargetSupport(hwc2_display_t display, uint32_t width, uint32_t height,
int32_t format, int32_t dataspace) {
return CallDisplayFunction(display, &HWCDisplay::GetClientTargetSupport, width, height, format,
dataspace);
}
int32_t HWCSession::GetColorModes(hwc2_display_t display, uint32_t *out_num_modes,
int32_t /*ColorMode*/ *int_out_modes) {
auto out_modes = reinterpret_cast<ColorMode *>(int_out_modes);
if (out_num_modes == nullptr) {
return HWC2_ERROR_BAD_PARAMETER;
}
return CallDisplayFunction(display, &HWCDisplay::GetColorModes, out_num_modes, out_modes);
}
int32_t HWCSession::GetRenderIntents(hwc2_display_t display, int32_t /*ColorMode*/ int_mode,
uint32_t *out_num_intents,
int32_t /*RenderIntent*/ *int_out_intents) {
auto mode = static_cast<ColorMode>(int_mode);
auto out_intents = reinterpret_cast<RenderIntent *>(int_out_intents);
if (out_num_intents == nullptr) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (mode < ColorMode::NATIVE || mode > ColorMode::DISPLAY_BT2020) {
DLOGE("Invalid ColorMode: %d", mode);
return HWC2_ERROR_BAD_PARAMETER;
}
return CallDisplayFunction(display, &HWCDisplay::GetRenderIntents, mode, out_num_intents,
out_intents);
}
int32_t HWCSession::GetDataspaceSaturationMatrix(int32_t /*Dataspace*/ int_dataspace,
float *out_matrix) {
auto dataspace = static_cast<Dataspace>(int_dataspace);
if (out_matrix == nullptr || dataspace != Dataspace::SRGB_LINEAR) {
return HWC2_ERROR_BAD_PARAMETER;
}
// We only have the matrix for sRGB
float saturation_matrix[kDataspaceSaturationMatrixCount] = { 1.0, 0.0, 0.0, 0.0, \
0.0, 1.0, 0.0, 0.0, \
0.0, 0.0, 1.0, 0.0, \
0.0, 0.0, 0.0, 1.0 };
for (int32_t i = 0; i < kDataspaceSaturationMatrixCount; i += 4) {
DLOGD("%f %f %f %f", saturation_matrix[i], saturation_matrix[i + 1], saturation_matrix[i + 2],
saturation_matrix[i + 3]);
}
for (uint32_t i = 0; i < kDataspaceSaturationMatrixCount; i++) {
out_matrix[i] = saturation_matrix[i];
}
return HWC2_ERROR_NONE;
}
int32_t HWCSession::GetPerFrameMetadataKeys(hwc2_display_t display, uint32_t *out_num_keys,
int32_t *int_out_keys) {
auto out_keys = reinterpret_cast<PerFrameMetadataKey *>(int_out_keys);
return CallDisplayFunction(display, &HWCDisplay::GetPerFrameMetadataKeys, out_num_keys,
out_keys);
}
int32_t HWCSession::SetLayerPerFrameMetadata(hwc2_display_t display, hwc2_layer_t layer,
uint32_t num_elements, const int32_t *int_keys,
const float *metadata) {
auto keys = reinterpret_cast<const PerFrameMetadataKey *>(int_keys);
return CallLayerFunction(display, layer, &HWCLayer::SetLayerPerFrameMetadata, num_elements,
keys, metadata);
}
int32_t HWCSession::GetDisplayAttribute(hwc2_display_t display, hwc2_config_t config,
int32_t int_attribute, int32_t *out_value) {
if (out_value == nullptr || int_attribute < HWC2_ATTRIBUTE_INVALID ||
int_attribute > HWC2_ATTRIBUTE_DPI_Y) {
return HWC2_ERROR_BAD_PARAMETER;
}
auto attribute = static_cast<HWC2::Attribute>(int_attribute);
return CallDisplayFunction(display, &HWCDisplay::GetDisplayAttribute, config, attribute,
out_value);
}
int32_t HWCSession::GetDisplayConfigs(hwc2_display_t display, uint32_t *out_num_configs,
hwc2_config_t *out_configs) {
return CallDisplayFunction(display, &HWCDisplay::GetDisplayConfigs, out_num_configs,
out_configs);
}
int32_t HWCSession::GetDisplayName(hwc2_display_t display, uint32_t *out_size, char *out_name) {
return CallDisplayFunction(display, &HWCDisplay::GetDisplayName, out_size, out_name);
}
int32_t HWCSession::GetDisplayRequests(hwc2_display_t display, int32_t *out_display_requests,
uint32_t *out_num_elements, hwc2_layer_t *out_layers,
int32_t *out_layer_requests) {
return CallDisplayFunction(display, &HWCDisplay::GetDisplayRequests, out_display_requests,
out_num_elements, out_layers, out_layer_requests);
}
int32_t HWCSession::GetDisplayType(hwc2_display_t display, int32_t *out_type) {
return CallDisplayFunction(display, &HWCDisplay::GetDisplayType, out_type);
}
int32_t HWCSession::GetHdrCapabilities(hwc2_display_t display, uint32_t* out_num_types,
int32_t* out_types, float* out_max_luminance,
float* out_max_average_luminance,
float* out_min_luminance) {
return CallDisplayFunction(display, &HWCDisplay::GetHdrCapabilities, out_num_types, out_types,
out_max_luminance, out_max_average_luminance, out_min_luminance);
}
int32_t HWCSession::GetReleaseFences(hwc2_display_t display, uint32_t *out_num_elements,
hwc2_layer_t *out_layers, int32_t *out_fences) {
return CallDisplayFunction(display, &HWCDisplay::GetReleaseFences, out_num_elements, out_layers,
out_fences);
}
int32_t HWCSession::PresentDisplay(hwc2_display_t display, int32_t *out_retire_fence) {
auto status = HWC2::Error::BadDisplay;
DTRACE_SCOPED();
if (display >= HWCCallbacks::kNumDisplays) {
DLOGW("Invalid Display : display = %" PRIu64, display);
return HWC2_ERROR_BAD_DISPLAY;
}
HandleSecureSession();
hwc2_display_t target_display = display;
{
SCOPE_LOCK(power_state_[display]);
if (power_state_transition_[display]) {
// Route all interactions with client to dummy display.
target_display = map_hwc_display_.find(display)->second;
}
}
{
SEQUENCE_EXIT_SCOPE_LOCK(locker_[target_display]);
if (!hwc_display_[target_display]) {
DLOGW("Removed Display : display = %" PRIu64, target_display);
return HWC2_ERROR_BAD_DISPLAY;
}
if (out_retire_fence == nullptr) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (pending_power_mode_[display]) {
status = HWC2::Error::None;
} else {
status = PresentDisplayInternal(target_display, out_retire_fence);
if (status == HWC2::Error::None) {
// Check if hwc's refresh trigger is getting exercised.
if (callbacks_.NeedsRefresh(display)) {
hwc_display_[target_display]->SetPendingRefresh();
callbacks_.ResetRefresh(display);
}
status = hwc_display_[target_display]->Present(out_retire_fence);
}
}
}
if (status != HWC2::Error::None && status != HWC2::Error::NotValidated) {
SEQUENCE_CANCEL_SCOPE_LOCK(locker_[target_display]);
}
HandlePendingPowerMode(display, *out_retire_fence);
HandlePendingHotplug(display, *out_retire_fence);
HandlePendingRefresh();
cwb_.PresentDisplayDone(display);
display_ready_.set(UINT32(display));
return INT32(status);
}
void HWCSession::HandlePendingRefresh() {
if (pending_refresh_.none()) {
return;
}
for (size_t i = 0; i < pending_refresh_.size(); i++) {
if (pending_refresh_.test(i)) {
callbacks_.Refresh(i);
}
break;
}
pending_refresh_.reset();
}
void HWCSession::RegisterCallback(int32_t descriptor, hwc2_callback_data_t callback_data,
hwc2_function_pointer_t pointer) {
auto desc = static_cast<HWC2::Callback>(descriptor);
// Detect if client died and now is back
bool already_connected = false;
vector<hwc2_display_t> pending_hotplugs;
if (descriptor == HWC2_CALLBACK_HOTPLUG && pointer) {
already_connected = callbacks_.IsClientConnected();
if (already_connected) {
for (auto& map_info : map_info_builtin_) {
SCOPE_LOCK(locker_[map_info.client_id]);
if (hwc_display_[map_info.client_id]) {
pending_hotplugs.push_back(static_cast<hwc2_display_t>(map_info.client_id));
}
}
for (auto& map_info : map_info_pluggable_) {
SCOPE_LOCK(locker_[map_info.client_id]);
if (hwc_display_[map_info.client_id]) {
pending_hotplugs.push_back(static_cast<hwc2_display_t>(map_info.client_id));
}
}
}
}
auto error = callbacks_.Register(desc, callback_data, pointer);
if (error != HWC2::Error::None) {
return;
}
DLOGI("%s callback: %s", pointer ? "Registering" : "Deregistering", to_string(desc).c_str());
if (descriptor == HWC2_CALLBACK_HOTPLUG && pointer) {
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGI("Hotplugging primary...");
callbacks_.Hotplug(HWC_DISPLAY_PRIMARY, HWC2::Connection::Connected);
}
// Create displays since they should now have their final display indices set.
DLOGI("Handling built-in displays...");
if (HandleBuiltInDisplays()) {
DLOGW("Failed handling built-in displays.");
}
DLOGI("Handling pluggable displays...");
int32_t err = HandlePluggableDisplays(false);
if (err) {
DLOGW("All displays could not be created. Error %d '%s'. Hotplug handling %s.", err,
strerror(abs(err)), pending_hotplug_event_ == kHotPlugEvent ? "deferred" :
"dropped");
}
// If previously registered, call hotplug for all connected displays to refresh
if (already_connected) {
std::vector<hwc2_display_t> updated_pending_hotplugs;
for (auto client_id : pending_hotplugs) {
SCOPE_LOCK(locker_[client_id]);
// check if the display is unregistered
if (hwc_display_[client_id]) {
updated_pending_hotplugs.push_back(client_id);
}
}
for (auto client_id : updated_pending_hotplugs) {
DLOGI("Re-hotplug display connected: client id = %d", client_id);
callbacks_.Hotplug(client_id, HWC2::Connection::Connected);
}
}
client_connected_ = !!pointer;
// Notfify all displays.
NotifyClientStatus(client_connected_);
}
need_invalidate_ = false;
}
int32_t HWCSession::SetActiveConfig(hwc2_display_t display, hwc2_config_t config) {
return CallDisplayFunction(display, &HWCDisplay::SetActiveConfig, config);
}
int32_t HWCSession::SetClientTarget(hwc2_display_t display, buffer_handle_t target,
int32_t acquire_fence, int32_t dataspace,
hwc_region_t damage) {
return CallDisplayFunction(display, &HWCDisplay::SetClientTarget, target, acquire_fence,
dataspace, damage);
}
int32_t HWCSession::SetColorMode(hwc2_display_t display, int32_t /*ColorMode*/ int_mode) {
auto mode = static_cast<ColorMode>(int_mode);
if (mode < ColorMode::NATIVE || mode > ColorMode::DISPLAY_BT2020) {
return HWC2_ERROR_BAD_PARAMETER;
}
return CallDisplayFunction(display, &HWCDisplay::SetColorMode, mode);
}
int32_t HWCSession::SetColorModeWithRenderIntent(hwc2_display_t display,
int32_t /*ColorMode*/ int_mode,
int32_t /*RenderIntent*/ int_render_intent) {
auto mode = static_cast<ColorMode>(int_mode);
if (mode < ColorMode::NATIVE || mode > ColorMode::DISPLAY_BT2020) {
return HWC2_ERROR_BAD_PARAMETER;
}
if ((int_render_intent < 0) || (int_render_intent > MAX_EXTENDED_RENDER_INTENT)) {
DLOGE("Invalid RenderIntent: %d", int_render_intent);
return HWC2_ERROR_BAD_PARAMETER;
}
auto render_intent = static_cast<RenderIntent>(int_render_intent);
return CallDisplayFunction(display, &HWCDisplay::SetColorModeWithRenderIntent, mode,
render_intent);
}
int32_t HWCSession::SetColorTransform(hwc2_display_t display, const float *matrix,
int32_t /*android_color_transform_t*/ hint) {
if (!matrix || hint < HAL_COLOR_TRANSFORM_IDENTITY ||
hint > HAL_COLOR_TRANSFORM_CORRECT_TRITANOPIA) {
return HWC2_ERROR_BAD_PARAMETER;
}
android_color_transform_t transform_hint = static_cast<android_color_transform_t>(hint);
return CallDisplayFunction(display, &HWCDisplay::SetColorTransform, matrix, transform_hint);
}
int32_t HWCSession::SetCursorPosition(hwc2_display_t display, hwc2_layer_t layer, int32_t x,
int32_t y) {
auto status = INT32(HWC2::Error::None);
status = CallDisplayFunction(display, &HWCDisplay::SetCursorPosition, layer, x, y);
if (status == INT32(HWC2::Error::None)) {
// Update cursor position
CallLayerFunction(display, layer, &HWCLayer::SetCursorPosition, x, y);
}
return status;
}
int32_t HWCSession::SetLayerBlendMode(hwc2_display_t display, hwc2_layer_t layer,
int32_t int_mode) {
if (int_mode < HWC2_BLEND_MODE_INVALID || int_mode > HWC2_BLEND_MODE_COVERAGE) {
return HWC2_ERROR_BAD_PARAMETER;
}
auto mode = static_cast<HWC2::BlendMode>(int_mode);
return CallLayerFunction(display, layer, &HWCLayer::SetLayerBlendMode, mode);
}
int32_t HWCSession::SetLayerBuffer(hwc2_display_t display, hwc2_layer_t layer,
buffer_handle_t buffer, int32_t acquire_fence) {
return CallLayerFunction(display, layer, &HWCLayer::SetLayerBuffer, buffer, acquire_fence);
}
int32_t HWCSession::SetLayerColor(hwc2_display_t display, hwc2_layer_t layer, hwc_color_t color) {
return CallLayerFunction(display, layer, &HWCLayer::SetLayerColor, color);
}
int32_t HWCSession::SetLayerCompositionType(hwc2_display_t display, hwc2_layer_t layer,
int32_t int_type) {
auto type = static_cast<HWC2::Composition>(int_type);
return CallLayerFunction(display, layer, &HWCLayer::SetLayerCompositionType, type);
}
int32_t HWCSession::SetLayerDataspace(hwc2_display_t display, hwc2_layer_t layer,
int32_t dataspace) {
return CallLayerFunction(display, layer, &HWCLayer::SetLayerDataspace, dataspace);
}
int32_t HWCSession::SetLayerDisplayFrame(hwc2_display_t display, hwc2_layer_t layer,
hwc_rect_t frame) {
return CallLayerFunction(display, layer, &HWCLayer::SetLayerDisplayFrame, frame);
}
int32_t HWCSession::SetLayerPlaneAlpha(hwc2_display_t display, hwc2_layer_t layer, float alpha) {
return CallLayerFunction(display, layer, &HWCLayer::SetLayerPlaneAlpha, alpha);
}
int32_t HWCSession::SetLayerSourceCrop(hwc2_display_t display, hwc2_layer_t layer,
hwc_frect_t crop) {
return HWCSession::CallLayerFunction(display, layer, &HWCLayer::SetLayerSourceCrop, crop);
}
int32_t HWCSession::SetLayerSurfaceDamage(hwc2_display_t display, hwc2_layer_t layer,
hwc_region_t damage) {
return CallLayerFunction(display, layer, &HWCLayer::SetLayerSurfaceDamage, damage);
}
int32_t HWCSession::SetLayerTransform(hwc2_display_t display, hwc2_layer_t layer,
int32_t int_transform) {
auto transform = static_cast<HWC2::Transform>(int_transform);
return CallLayerFunction(display, layer, &HWCLayer::SetLayerTransform, transform);
}
int32_t HWCSession::SetLayerVisibleRegion(hwc2_display_t display, hwc2_layer_t layer,
hwc_region_t visible) {
return CallLayerFunction(display, layer, &HWCLayer::SetLayerVisibleRegion, visible);
}
int32_t HWCSession::SetLayerZOrder(hwc2_display_t display, hwc2_layer_t layer, uint32_t z) {
return CallDisplayFunction(display, &HWCDisplay::SetLayerZOrder, layer, z);
}
int32_t HWCSession::SetLayerColorTransform(hwc2_display_t display, hwc2_layer_t layer,
const float *matrix) {
return CallLayerFunction(display, layer, &HWCLayer::SetLayerColorTransform, matrix);
}
int32_t HWCSession::SetOutputBuffer(hwc2_display_t display, buffer_handle_t buffer,
int32_t releaseFence) {
if (INT32(display) != GetDisplayIndex(qdutils::DISPLAY_VIRTUAL)) {
return HWC2_ERROR_UNSUPPORTED;
}
SCOPE_LOCK(locker_[display]);
if (hwc_display_[display]) {
auto vds = reinterpret_cast<HWCDisplayVirtual *>(hwc_display_[display]);
auto status = vds->SetOutputBuffer(buffer, releaseFence);
return INT32(status);
} else {
return HWC2_ERROR_BAD_DISPLAY;
}
}
int32_t HWCSession::SetPowerMode(hwc2_display_t display, int32_t int_mode) {
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
// validate device and also avoid undefined behavior in cast to HWC2::PowerMode
if (int_mode < HWC2_POWER_MODE_OFF || int_mode > HWC2_POWER_MODE_DOZE_SUSPEND) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (pending_power_mode_[display]) {
DLOGW("Set power mode is not allowed during secure display session");
return HWC2_ERROR_UNSUPPORTED;
}
auto mode = static_cast<HWC2::PowerMode>(int_mode);
// all displays support on/off. Check for doze modes
int support = 0;
auto status = GetDozeSupport(display, &support);
if (status != HWC2_ERROR_NONE) {
DLOGE("Failed to get doze support Error = %d", status);
return INT32(status);
}
if (!support && (mode == HWC2::PowerMode::Doze || mode == HWC2::PowerMode::DozeSuspend)) {
return HWC2_ERROR_UNSUPPORTED;
}
bool override_mode = async_powermode_ && display_ready_.test(UINT32(display));
if (!override_mode) {
auto error = CallDisplayFunction(display, &HWCDisplay::SetPowerMode, mode,
false /* teardown */);
if (INT32(error) != HWC2_ERROR_NONE) {
return INT32(error);
}
} else {
Locker::ScopeLock lock_disp(locker_[display]);
// Update hwc state for now. Actual poweron will handled through DisplayConfig.
hwc_display_[display]->UpdatePowerMode(mode);
}
// Reset idle pc ref count on suspend, as we enable idle pc during suspend.
if (mode == HWC2::PowerMode::Off) {
idle_pc_ref_cnt_ = 0;
}
UpdateThrottlingRate();
// Trigger refresh for doze mode to take effect.
if (mode == HWC2::PowerMode::Doze) {
callbacks_.Refresh(display);
// Trigger one more refresh for PP features to take effect.
pending_refresh_.set(UINT32(display));
}
return HWC2_ERROR_NONE;
}
int32_t HWCSession::SetVsyncEnabled(hwc2_display_t display, int32_t int_enabled) {
// avoid undefined behavior in cast to HWC2::Vsync
if (int_enabled < HWC2_VSYNC_INVALID || int_enabled > HWC2_VSYNC_DISABLE) {
return HWC2_ERROR_BAD_PARAMETER;
}
auto enabled = static_cast<HWC2::Vsync>(int_enabled);
if (int_enabled == HWC2_VSYNC_ENABLE) {
callbacks_.UpdateVsyncSource(display);
}
return CallDisplayFunction(display, &HWCDisplay::SetVsyncEnabled, enabled);
}
int32_t HWCSession::GetDozeSupport(hwc2_display_t display, int32_t *out_support) {
if (!out_support) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display >= HWCCallbacks::kNumDisplays || (hwc_display_[display] == nullptr)) {
DLOGE("Invalid Display %d Handle %s ", display, hwc_display_[display] ?
"Valid" : "NULL");
return HWC2_ERROR_BAD_DISPLAY;
}
*out_support = 0;
if (hwc_display_[display]->GetDisplayClass() == DISPLAY_CLASS_BUILTIN) {
*out_support = 1;
}
return HWC2_ERROR_NONE;
}
int32_t HWCSession::ValidateDisplay(hwc2_display_t display, uint32_t *out_num_types,
uint32_t *out_num_requests) {
// out_num_types and out_num_requests will be non-NULL
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
hwc2_display_t target_display = display;
{
SCOPE_LOCK(power_state_[display]);
if (power_state_transition_[display]) {
// Route all interactions with client to dummy display.
target_display = map_hwc_display_.find(display)->second;
}
}
DTRACE_SCOPED();
// TODO(user): Handle secure session, handle QDCM solid fill
auto status = HWC2::Error::BadDisplay;
HandleSecureSession();
{
SEQUENCE_ENTRY_SCOPE_LOCK(locker_[target_display]);
if (pending_power_mode_[display]) {
status = HWC2::Error::None;
} else if (hwc_display_[target_display]) {
hwc_display_[target_display]->SetFastPathComposition(false);
status = ValidateDisplayInternal(target_display, out_num_types, out_num_requests);
}
}
// Sequence locking currently begins on Validate, so cancel the sequence lock on failures
if (status != HWC2::Error::None && status != HWC2::Error::HasChanges) {
SEQUENCE_CANCEL_SCOPE_LOCK(locker_[target_display]);
}
if (display != target_display) {
// Validate done on a dummy display. Assume present is complete.
SEQUENCE_EXIT_SCOPE_LOCK(locker_[target_display]);
}
return INT32(status);
}
HWC2::Error HWCSession::CreateVirtualDisplayObj(uint32_t width, uint32_t height, int32_t *format,
hwc2_display_t *out_display_id) {
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (active_builtin_disp_id < HWCCallbacks::kNumDisplays) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_[active_builtin_disp_id]);
std::bitset<kSecureMax> secure_sessions = 0;
if (hwc_display_[active_builtin_disp_id]) {
hwc_display_[active_builtin_disp_id]->GetActiveSecureSession(&secure_sessions);
}
if (secure_sessions.any()) {
DLOGE("Secure session is active, cannot create virtual display.");
return HWC2::Error::Unsupported;
} else if (IsPluggableDisplayConnected()) {
DLOGE("External session is active, cannot create virtual display.");
return HWC2::Error::Unsupported;
}
}
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
DisplayError error = hwc_display_[HWC_DISPLAY_PRIMARY]->TeardownConcurrentWriteback();
if (error) {
return HWC2::Error::NoResources;
}
}
HWDisplaysInfo hw_displays_info = {};
DisplayError error = core_intf_->GetDisplaysStatus(&hw_displays_info);
if (error != kErrorNone) {
DLOGE("Failed to get connected display list. Error = %d", error);
return HWC2::Error::BadDisplay;
}
// Lock confined to this scope
int status = -EINVAL;
for (auto &iter : hw_displays_info) {
auto &info = iter.second;
if (info.display_type != kVirtual) {
continue;
}
for (auto &map_info : map_info_virtual_) {
hwc2_display_t client_id = map_info.client_id;
{
SCOPE_LOCK(locker_[client_id]);
auto &hwc_display = hwc_display_[client_id];
if (hwc_display) {
continue;
}
status = virtual_display_factory_.Create(core_intf_, &buffer_allocator_, &callbacks_,
client_id, info.display_id, width, height,
format, set_min_lum_, set_max_lum_, &hwc_display);
// TODO(user): validate width and height support
if (status) {
return HWC2::Error::NoResources;
}
is_hdr_display_[UINT32(client_id)] = HasHDRSupport(hwc_display);
DLOGI("Created virtual display id:% " PRIu64 " with res: %dx%d", client_id, width, height);
*out_display_id = client_id;
map_info.disp_type = info.display_type;
map_info.sdm_id = info.display_id;
break;
}
}
}
if (active_builtin_disp_id < HWCCallbacks::kNumDisplays) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_[active_builtin_disp_id]);
hwc_display_[active_builtin_disp_id]->ResetValidation();
}
return HWC2::Error::None;
}
bool HWCSession::IsPluggableDisplayConnected() {
for (auto &map_info : map_info_pluggable_) {
if (hwc_display_[map_info.client_id]) {
return true;
}
}
return false;
}
// Qclient methods
android::status_t HWCSession::notifyCallback(uint32_t command, const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
android::status_t status = -EINVAL;
switch (command) {
case qService::IQService::DYNAMIC_DEBUG:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = 0;
DynamicDebug(input_parcel);
break;
case qService::IQService::SCREEN_REFRESH:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = RefreshScreen(input_parcel);
break;
case qService::IQService::SET_IDLE_TIMEOUT:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = setIdleTimeout(UINT32(input_parcel->readInt32()));
break;
case qService::IQService::SET_FRAME_DUMP_CONFIG:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetFrameDumpConfig(input_parcel);
break;
case qService::IQService::SET_MAX_PIPES_PER_MIXER:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetMaxMixerStages(input_parcel);
break;
case qService::IQService::SET_DISPLAY_MODE:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetDisplayMode(input_parcel);
break;
case qService::IQService::SET_SECONDARY_DISPLAY_STATUS: {
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
int disp_id = INT(input_parcel->readInt32());
HWCDisplay::DisplayStatus disp_status =
static_cast<HWCDisplay::DisplayStatus>(input_parcel->readInt32());
status = SetSecondaryDisplayStatus(disp_id, disp_status);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::CONFIGURE_DYN_REFRESH_RATE:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = ConfigureRefreshRate(input_parcel);
break;
case qService::IQService::TOGGLE_SCREEN_UPDATES: {
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
int32_t input = input_parcel->readInt32();
status = toggleScreenUpdate(input == 1);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::QDCM_SVC_CMDS:
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
status = QdcmCMDHandler(input_parcel, output_parcel);
break;
case qService::IQService::MIN_HDCP_ENCRYPTION_LEVEL_CHANGED: {
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
int disp_id = input_parcel->readInt32();
uint32_t min_enc_level = UINT32(input_parcel->readInt32());
status = MinHdcpEncryptionLevelChanged(disp_id, min_enc_level);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::CONTROL_PARTIAL_UPDATE: {
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
int disp_id = input_parcel->readInt32();
uint32_t enable = UINT32(input_parcel->readInt32());
status = ControlPartialUpdate(disp_id, enable == 1);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::SET_ACTIVE_CONFIG: {
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
uint32_t config = UINT32(input_parcel->readInt32());
int disp_id = input_parcel->readInt32();
status = SetActiveConfigIndex(disp_id, config);
}
break;
case qService::IQService::GET_ACTIVE_CONFIG: {
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
int disp_id = input_parcel->readInt32();
uint32_t config = 0;
status = GetActiveConfigIndex(disp_id, &config);
output_parcel->writeInt32(INT(config));
}
break;
case qService::IQService::GET_CONFIG_COUNT: {
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
int disp_id = input_parcel->readInt32();
uint32_t count = 0;
status = GetConfigCount(disp_id, &count);
output_parcel->writeInt32(INT(count));
}
break;
case qService::IQService::GET_DISPLAY_ATTRIBUTES_FOR_CONFIG:
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
status = GetDisplayAttributesForConfig(input_parcel, output_parcel);
break;
case qService::IQService::GET_PANEL_BRIGHTNESS: {
if (!output_parcel) {
DLOGE("QService command = %d: output_parcel needed.", command);
break;
}
float brightness = -1.0f;
uint32_t display = input_parcel->readUint32();
status = getDisplayBrightness(display, &brightness);
if (brightness == -1.0f) {
output_parcel->writeInt32(0);
} else {
output_parcel->writeInt32(INT32(brightness*254 + 1));
}
}
break;
case qService::IQService::SET_PANEL_BRIGHTNESS: {
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
int level = input_parcel->readInt32();
if (level == 0) {
status = SetDisplayBrightness(HWC_DISPLAY_PRIMARY, -1.0f);
} else {
status = SetDisplayBrightness(HWC_DISPLAY_PRIMARY, (level - 1)/254.0f);
}
output_parcel->writeInt32(status);
}
break;
case qService::IQService::GET_DISPLAY_VISIBLE_REGION:
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
status = GetVisibleDisplayRect(input_parcel, output_parcel);
break;
case qService::IQService::SET_CAMERA_STATUS: {
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
uint32_t camera_status = UINT32(input_parcel->readInt32());
status = setCameraLaunchStatus(camera_status);
}
break;
case qService::IQService::GET_BW_TRANSACTION_STATUS: {
if (!output_parcel) {
DLOGE("QService command = %d: output_parcel needed.", command);
break;
}
bool state = true;
status = DisplayBWTransactionPending(&state);
output_parcel->writeInt32(state);
}
break;
case qService::IQService::SET_LAYER_MIXER_RESOLUTION:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetMixerResolution(input_parcel);
break;
case qService::IQService::SET_COLOR_MODE:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetColorModeOverride(input_parcel);
break;
case qService::IQService::SET_COLOR_MODE_WITH_RENDER_INTENT:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetColorModeWithRenderIntentOverride(input_parcel);
break;
case qService::IQService::SET_COLOR_MODE_BY_ID:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetColorModeById(input_parcel);
break;
case qService::IQService::GET_COMPOSER_STATUS:
if (!output_parcel) {
DLOGE("QService command = %d: output_parcel needed.", command);
break;
}
status = 0;
output_parcel->writeInt32(getComposerStatus());
break;
case qService::IQService::SET_QSYNC_MODE:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetQSyncMode(input_parcel);
break;
case qService::IQService::SET_IDLE_PC:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetIdlePC(input_parcel);
break;
case qService::IQService::SET_DPPS_AD4_ROI_CONFIG:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetAd4RoiConfig(input_parcel);
break;
case qService::IQService::SET_DSI_CLK:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetDsiClk(input_parcel);
break;
case qService::IQService::GET_DSI_CLK:
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
status = GetDsiClk(input_parcel, output_parcel);
break;
case qService::IQService::GET_SUPPORTED_DSI_CLK:
if (!input_parcel || !output_parcel) {
DLOGE("QService command = %d: input_parcel and output_parcel needed.", command);
break;
}
status = GetSupportedDsiClk(input_parcel, output_parcel);
break;
case qService::IQService::SET_PANEL_LUMINANCE:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetPanelLuminanceAttributes(input_parcel);
break;
case qService::IQService::SET_COLOR_MODE_FROM_CLIENT:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetColorModeFromClient(input_parcel);
break;
case qService::IQService::SET_FRAME_TRIGGER_MODE:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetFrameTriggerMode(input_parcel);
break;
case qService::IQService::SET_BRIGHTNESS_SCALE:
if (!input_parcel) {
DLOGE("QService command = %d: input_parcel needed.", command);
break;
}
status = SetDisplayBrightnessScale(input_parcel);
break;
default:
DLOGW("QService command = %d is not supported.", command);
break;
}
return status;
}
android::status_t HWCSession::getComposerStatus() {
return is_composer_up_;
}
android::status_t HWCSession::GetDisplayAttributesForConfig(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int config = input_parcel->readInt32();
int dpy = input_parcel->readInt32();
int error = android::BAD_VALUE;
DisplayConfigVariableInfo display_attributes;
int disp_idx = GetDisplayIndex(dpy);
if (disp_idx == -1 || config < 0) {
DLOGE("Invalid display = %d, or config = %d", dpy, config);
return android::BAD_VALUE;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
if (hwc_display_[disp_idx]) {
error = hwc_display_[disp_idx]->GetDisplayAttributesForConfig(config, &display_attributes);
if (error == 0) {
output_parcel->writeInt32(INT(display_attributes.vsync_period_ns));
output_parcel->writeInt32(INT(display_attributes.x_pixels));
output_parcel->writeInt32(INT(display_attributes.y_pixels));
output_parcel->writeFloat(display_attributes.x_dpi);
output_parcel->writeFloat(display_attributes.y_dpi);
output_parcel->writeInt32(0); // Panel type, unsupported.
}
}
return error;
}
android::status_t HWCSession::ConfigureRefreshRate(const android::Parcel *input_parcel) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_[HWC_DISPLAY_PRIMARY]);
uint32_t operation = UINT32(input_parcel->readInt32());
HWCDisplay *hwc_display = hwc_display_[HWC_DISPLAY_PRIMARY];
if (!hwc_display) {
DLOGW("Display = %d is not connected.", HWC_DISPLAY_PRIMARY);
return -ENODEV;
}
switch (operation) {
case qdutils::DISABLE_METADATA_DYN_REFRESH_RATE:
return hwc_display->Perform(HWCDisplayBuiltIn::SET_METADATA_DYN_REFRESH_RATE, false);
case qdutils::ENABLE_METADATA_DYN_REFRESH_RATE:
return hwc_display->Perform(HWCDisplayBuiltIn::SET_METADATA_DYN_REFRESH_RATE, true);
case qdutils::SET_BINDER_DYN_REFRESH_RATE: {
uint32_t refresh_rate = UINT32(input_parcel->readInt32());
return hwc_display->Perform(HWCDisplayBuiltIn::SET_BINDER_DYN_REFRESH_RATE, refresh_rate);
}
default:
DLOGW("Invalid operation %d", operation);
return -EINVAL;
}
return 0;
}
android::status_t HWCSession::SetDisplayMode(const android::Parcel *input_parcel) {
SEQUENCE_WAIT_SCOPE_LOCK(locker_[HWC_DISPLAY_PRIMARY]);
if (!hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGW("Display = %d is not connected.", HWC_DISPLAY_PRIMARY);
return -ENODEV;
}
uint32_t mode = UINT32(input_parcel->readInt32());
return hwc_display_[HWC_DISPLAY_PRIMARY]->Perform(HWCDisplayBuiltIn::SET_DISPLAY_MODE, mode);
}
android::status_t HWCSession::SetMaxMixerStages(const android::Parcel *input_parcel) {
DisplayError error = kErrorNone;
std::bitset<32> bit_mask_display_type = UINT32(input_parcel->readInt32());
uint32_t max_mixer_stages = UINT32(input_parcel->readInt32());
android::status_t status = 0;
for (uint32_t i = 0; i < 32 && bit_mask_display_type[i]; i++) {
int disp_idx = GetDisplayIndex(INT(i));
if (disp_idx == -1) {
continue;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
auto &hwc_display = hwc_display_[disp_idx];
if (!hwc_display) {
DLOGW("Display = %d is not connected.", disp_idx);
status = (status)? status : -ENODEV; // Return higher priority error.
continue;
}
error = hwc_display->SetMaxMixerStages(max_mixer_stages);
if (error != kErrorNone) {
status = -EINVAL;
}
}
return status;
}
android::status_t HWCSession::SetFrameDumpConfig(const android::Parcel *input_parcel) {
uint32_t frame_dump_count = UINT32(input_parcel->readInt32());
std::bitset<32> bit_mask_display_type = UINT32(input_parcel->readInt32());
uint32_t bit_mask_layer_type = UINT32(input_parcel->readInt32());
int32_t output_format = HAL_PIXEL_FORMAT_RGB_888;
bool post_processed = true;
// Output buffer dump is not supported, if External or Virtual display is present.
bool output_buffer_dump = bit_mask_layer_type & (1 << OUTPUT_LAYER_DUMP);
if (output_buffer_dump) {
int external_dpy_index = GetDisplayIndex(qdutils::DISPLAY_EXTERNAL);
int virtual_dpy_index = GetDisplayIndex(qdutils::DISPLAY_VIRTUAL);
if (((external_dpy_index != -1) && hwc_display_[external_dpy_index]) ||
((virtual_dpy_index != -1) && hwc_display_[virtual_dpy_index])) {
DLOGW("Output buffer dump is not supported with External or Virtual display!");
return -EINVAL;
}
}
// Read optional user preferences: output_format and post_processed.
if (input_parcel->dataPosition() != input_parcel->dataSize()) {
// HAL Pixel Format for output buffer
output_format = input_parcel->readInt32();
}
if (input_parcel->dataPosition() != input_parcel->dataSize()) {
// Option to dump Layer Mixer output (0) or DSPP output (1)
post_processed = (input_parcel->readInt32() != 0);
}
android::status_t status = 0;
for (uint32_t i = 0; i < bit_mask_display_type.size(); i++) {
if (!bit_mask_display_type[i]) {
continue;
}
int disp_idx = GetDisplayIndex(INT(i));
if (disp_idx == -1) {
continue;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
auto &hwc_display = hwc_display_[disp_idx];
if (!hwc_display) {
DLOGW("Display = %d is not connected.", disp_idx);
status = (status)? status : -ENODEV; // Return higher priority error.
continue;
}
HWC2::Error error = hwc_display->SetFrameDumpConfig(frame_dump_count, bit_mask_layer_type,
output_format, post_processed);
if (error != HWC2::Error::None) {
status = (HWC2::Error::NoResources == error) ? -ENOMEM : -EINVAL;
}
}
return status;
}
android::status_t HWCSession::SetMixerResolution(const android::Parcel *input_parcel) {
DisplayError error = kErrorNone;
uint32_t dpy = UINT32(input_parcel->readInt32());
if (dpy != HWC_DISPLAY_PRIMARY) {
DLOGW("Resolution change not supported for this display = %d", dpy);
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[HWC_DISPLAY_PRIMARY]);
if (!hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGW("Primary display is not initialized");
return -ENODEV;
}
uint32_t width = UINT32(input_parcel->readInt32());
uint32_t height = UINT32(input_parcel->readInt32());
error = hwc_display_[HWC_DISPLAY_PRIMARY]->SetMixerResolution(width, height);
if (error != kErrorNone) {
return -EINVAL;
}
return 0;
}
android::status_t HWCSession::SetColorModeOverride(const android::Parcel *input_parcel) {
int display = static_cast<int>(input_parcel->readInt32());
auto mode = static_cast<ColorMode>(input_parcel->readInt32());
int disp_idx = GetDisplayIndex(display);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", display);
return -EINVAL;
}
if (mode < ColorMode::NATIVE || mode > ColorMode::DISPLAY_BT2020) {
DLOGE("Invalid ColorMode: %d", mode);
return HWC2_ERROR_BAD_PARAMETER;
}
auto err = CallDisplayFunction(static_cast<hwc2_display_t>(disp_idx), &HWCDisplay::SetColorMode,
mode);
if (err != HWC2_ERROR_NONE)
return -EINVAL;
return 0;
}
android::status_t HWCSession::SetAd4RoiConfig(const android::Parcel *input_parcel) {
auto display_id = static_cast<uint32_t>(input_parcel->readInt32());
auto h_s = static_cast<uint32_t>(input_parcel->readInt32());
auto h_e = static_cast<uint32_t>(input_parcel->readInt32());
auto v_s = static_cast<uint32_t>(input_parcel->readInt32());
auto v_e = static_cast<uint32_t>(input_parcel->readInt32());
auto f_in = static_cast<uint32_t>(input_parcel->readInt32());
auto f_out = static_cast<uint32_t>(input_parcel->readInt32());
return static_cast<android::status_t>(SetDisplayDppsAdROI(display_id, h_s, h_e, v_s,
v_e, f_in, f_out));
}
android::status_t HWCSession::SetFrameTriggerMode(const android::Parcel *input_parcel) {
auto display_id = static_cast<int>(input_parcel->readInt32());
auto mode = static_cast<uint32_t>(input_parcel->readInt32());
int disp_idx = GetDisplayIndex(display_id);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", display_id);
return -EINVAL;
}
auto err = CallDisplayFunction(static_cast<hwc2_display_t>(disp_idx),
&HWCDisplay::SetFrameTriggerMode, mode);
if (err != HWC2_ERROR_NONE)
return -EINVAL;
return 0;
}
android::status_t HWCSession::SetColorModeWithRenderIntentOverride(
const android::Parcel *input_parcel) {
auto display = static_cast<hwc2_display_t>(input_parcel->readInt32());
auto mode = static_cast<ColorMode>(input_parcel->readInt32());
auto int_intent = static_cast<int>(input_parcel->readInt32());
if (mode < ColorMode::NATIVE || mode > ColorMode::DISPLAY_BT2020) {
DLOGE("Invalid ColorMode: %d", mode);
return HWC2_ERROR_BAD_PARAMETER;
}
if ((int_intent < 0) || (int_intent > MAX_EXTENDED_RENDER_INTENT)) {
DLOGE("Invalid RenderIntent: %d", int_intent);
return HWC2_ERROR_BAD_PARAMETER;
}
auto intent = static_cast<RenderIntent>(int_intent);
auto err =
CallDisplayFunction(display, &HWCDisplay::SetColorModeWithRenderIntent, mode, intent);
if (err != HWC2_ERROR_NONE)
return -EINVAL;
return 0;
}
android::status_t HWCSession::SetColorModeById(const android::Parcel *input_parcel) {
int display = input_parcel->readInt32();
auto mode = input_parcel->readInt32();
int disp_idx = GetDisplayIndex(display);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", display);
return -EINVAL;
}
auto err = CallDisplayFunction(static_cast<hwc2_display_t>(disp_idx),
&HWCDisplay::SetColorModeById, mode);
if (err != HWC2_ERROR_NONE)
return -EINVAL;
return 0;
}
android::status_t HWCSession::SetColorModeFromClient(const android::Parcel *input_parcel) {
int display = input_parcel->readInt32();
auto mode = input_parcel->readInt32();
int disp_idx = GetDisplayIndex(display);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", display);
return -EINVAL;
}
auto err = CallDisplayFunction(static_cast<hwc2_display_t>(disp_idx),
&HWCDisplay::SetColorModeFromClientApi, mode);
if (err != HWC2_ERROR_NONE)
return -EINVAL;
callbacks_.Refresh(static_cast<hwc2_display_t>(disp_idx));
return 0;
}
android::status_t HWCSession::RefreshScreen(const android::Parcel *input_parcel) {
int display = input_parcel->readInt32();
int disp_idx = GetDisplayIndex(display);
if (disp_idx == -1) {
DLOGE("Invalid display = %d", display);
return -EINVAL;
}
callbacks_.Refresh(static_cast<hwc2_display_t>(disp_idx));
return 0;
}
void HWCSession::DynamicDebug(const android::Parcel *input_parcel) {
int type = input_parcel->readInt32();
bool enable = (input_parcel->readInt32() > 0);
DLOGI("type = %d enable = %d", type, enable);
int verbose_level = input_parcel->readInt32();
switch (type) {
case qService::IQService::DEBUG_ALL:
HWCDebugHandler::DebugAll(enable, verbose_level);
break;
case qService::IQService::DEBUG_MDPCOMP:
HWCDebugHandler::DebugStrategy(enable, verbose_level);
HWCDebugHandler::DebugCompManager(enable, verbose_level);
break;
case qService::IQService::DEBUG_PIPE_LIFECYCLE:
HWCDebugHandler::DebugResources(enable, verbose_level);
HWCDebugHandler::DebugQos(enable, verbose_level);
break;
case qService::IQService::DEBUG_DRIVER_CONFIG:
HWCDebugHandler::DebugDriverConfig(enable, verbose_level);
break;
case qService::IQService::DEBUG_ROTATOR:
HWCDebugHandler::DebugResources(enable, verbose_level);
HWCDebugHandler::DebugDriverConfig(enable, verbose_level);
HWCDebugHandler::DebugRotator(enable, verbose_level);
HWCDebugHandler::DebugQos(enable, verbose_level);
break;
case qService::IQService::DEBUG_QDCM:
HWCDebugHandler::DebugQdcm(enable, verbose_level);
break;
case qService::IQService::DEBUG_SCALAR:
HWCDebugHandler::DebugScalar(enable, verbose_level);
break;
case qService::IQService::DEBUG_CLIENT:
HWCDebugHandler::DebugClient(enable, verbose_level);
break;
case qService::IQService::DEBUG_DISPLAY:
HWCDebugHandler::DebugDisplay(enable, verbose_level);
break;
default:
DLOGW("type = %d is not supported", type);
}
}
android::status_t HWCSession::QdcmCMDDispatch(uint32_t display_id,
const PPDisplayAPIPayload &req_payload,
PPDisplayAPIPayload *resp_payload,
PPPendingParams *pending_action) {
int ret = 0;
bool is_physical_display = false;
if (display_id >= HWCCallbacks::kNumDisplays || !hwc_display_[display_id]) {
DLOGW("Invalid display id or display = %d is not connected.", display_id);
return -ENODEV;
}
if (display_id == map_info_primary_.client_id) {
is_physical_display = true;
} else {
for (auto &map_info : map_info_builtin_) {
if (map_info.client_id == display_id) {
is_physical_display = true;
break;
}
}
}
if (!is_physical_display) {
DLOGW("Skipping QDCM command dispatch on display = %d", display_id);
return ret;
}
ret = hwc_display_[display_id]->ColorSVCRequestRoute(req_payload, resp_payload, pending_action);
return ret;
}
android::status_t HWCSession::QdcmCMDHandler(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int ret = 0;
float *brightness = NULL;
uint32_t display_id(0);
PPPendingParams pending_action;
PPDisplayAPIPayload resp_payload, req_payload;
uint8_t *disp_id = NULL;
bool invalidate_needed = true;
int32_t *mode_id = NULL;
if (!color_mgr_) {
DLOGW("color_mgr_ not initialized.");
return -ENOENT;
}
pending_action.action = kNoAction;
pending_action.params = NULL;
// Read display_id, payload_size and payload from in_parcel.
ret = HWCColorManager::CreatePayloadFromParcel(*input_parcel, &display_id, &req_payload);
if (!ret) {
ret = QdcmCMDDispatch(display_id, req_payload, &resp_payload, &pending_action);
}
if (ret) {
output_parcel->writeInt32(ret); // first field in out parcel indicates return code.
req_payload.DestroyPayload();
resp_payload.DestroyPayload();
return ret;
}
if (kNoAction != pending_action.action) {
int32_t action = pending_action.action;
int count = -1;
while (action > 0) {
count++;
int32_t bit = (action & 1);
action = action >> 1;
if (!bit)
continue;
DLOGV_IF(kTagQDCM, "pending action = %d, display_id = %d", BITMAP(count), display_id);
switch (BITMAP(count)) {
case kInvalidating:
{
invalidate_needed = false;
callbacks_.Refresh(display_id);
}
break;
case kEnterQDCMMode:
ret = color_mgr_->EnableQDCMMode(true, hwc_display_[display_id]);
break;
case kExitQDCMMode:
ret = color_mgr_->EnableQDCMMode(false, hwc_display_[display_id]);
break;
case kApplySolidFill:
{
SCOPE_LOCK(locker_[display_id]);
ret = color_mgr_->SetSolidFill(pending_action.params,
true, hwc_display_[display_id]);
}
callbacks_.Refresh(display_id);
usleep(kSolidFillDelay);
break;
case kDisableSolidFill:
{
SCOPE_LOCK(locker_[display_id]);
ret = color_mgr_->SetSolidFill(pending_action.params,
false, hwc_display_[display_id]);
}
callbacks_.Refresh(display_id);
usleep(kSolidFillDelay);
break;
case kSetPanelBrightness:
ret = -EINVAL;
brightness = reinterpret_cast<float *>(resp_payload.payload);
if (brightness == NULL) {
DLOGE("Brightness payload is Null");
} else {
ret = INT(SetDisplayBrightness(static_cast<hwc2_display_t>(display_id), *brightness));
}
break;
case kEnableFrameCapture:
ret = color_mgr_->SetFrameCapture(pending_action.params, true, hwc_display_[display_id]);
callbacks_.Refresh(display_id);
break;
case kDisableFrameCapture:
ret = color_mgr_->SetFrameCapture(pending_action.params, false,
hwc_display_[display_id]);
break;
case kConfigureDetailedEnhancer:
ret = color_mgr_->SetDetailedEnhancer(pending_action.params, hwc_display_[display_id]);
callbacks_.Refresh(display_id);
break;
case kModeSet:
ret = static_cast<int>
(hwc_display_[display_id]->RestoreColorTransform());
callbacks_.Refresh(display_id);
break;
case kNoAction:
break;
case kMultiDispProc:
for (auto &map_info : map_info_builtin_) {
uint32_t id = UINT32(map_info.client_id);
if (id < HWCCallbacks::kNumDisplays && hwc_display_[id]) {
int result = 0;
resp_payload.DestroyPayload();
result = hwc_display_[id]->ColorSVCRequestRoute(req_payload, &resp_payload,
&pending_action);
if (result) {
DLOGW("Failed to dispatch action to disp %d ret %d", id, result);
ret = result;
}
}
}
break;
case kMultiDispGetId:
ret = resp_payload.CreatePayloadBytes(HWCCallbacks::kNumDisplays, &disp_id);
if (ret) {
DLOGW("Unable to create response payload!");
} else {
for (int i = 0; i < HWCCallbacks::kNumDisplays; i++) {
disp_id[i] = HWCCallbacks::kNumDisplays;
}
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
disp_id[HWC_DISPLAY_PRIMARY] = HWC_DISPLAY_PRIMARY;
}
for (auto &map_info : map_info_builtin_) {
uint64_t id = map_info.client_id;
if (id < HWCCallbacks::kNumDisplays && hwc_display_[id]) {
disp_id[id] = (uint8_t)id;
}
}
}
break;
case kSetModeFromClient:
{
SCOPE_LOCK(locker_[display_id]);
mode_id = reinterpret_cast<int32_t *>(resp_payload.payload);
if (mode_id) {
ret = static_cast<int>(hwc_display_[display_id]->SetColorModeFromClientApi(*mode_id));
} else {
DLOGE("mode_id is Null");
ret = -EINVAL;
}
}
if (!ret) {
callbacks_.Refresh(display_id);
}
break;
default:
DLOGW("Invalid pending action = %d!", pending_action.action);
break;
}
}
}
// for display API getter case, marshall returned params into out_parcel.
output_parcel->writeInt32(ret);
HWCColorManager::MarshallStructIntoParcel(resp_payload, output_parcel);
req_payload.DestroyPayload();
resp_payload.DestroyPayload();
SEQUENCE_WAIT_SCOPE_LOCK(locker_[display_id]);
if (invalidate_needed) {
hwc_display_[display_id]->ResetValidation();
}
return ret;
}
int GetEventValue(const char *uevent_data, int length, const char *event_info) {
const char *iterator_str = uevent_data;
while (((iterator_str - uevent_data) <= length) && (*iterator_str)) {
const char *pstr = strstr(iterator_str, event_info);
if (pstr != NULL) {
return (atoi(iterator_str + strlen(event_info)));
}
iterator_str += strlen(iterator_str) + 1;
}
return -1;
}
const char *GetTokenValue(const char *uevent_data, int length, const char *token) {
const char *iterator_str = uevent_data;
const char *pstr = NULL;
while (((iterator_str - uevent_data) <= length) && (*iterator_str)) {
pstr = strstr(iterator_str, token);
if (pstr) {
break;
}
iterator_str += strlen(iterator_str) + 1;
}
if (pstr)
pstr = pstr+strlen(token);
return pstr;
}
android::status_t HWCSession::SetDsiClk(const android::Parcel *input_parcel) {
int disp_id = input_parcel->readInt32();
uint64_t clk = UINT64(input_parcel->readInt64());
if (disp_id < 0) {
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_id]);
if (!hwc_display_[disp_id]) {
return -EINVAL;
}
return hwc_display_[disp_id]->SetDynamicDSIClock(clk);
}
android::status_t HWCSession::GetDsiClk(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int disp_id = input_parcel->readInt32();
if (disp_id < 0) {
return -EINVAL;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_id]);
if (!hwc_display_[disp_id]) {
return -EINVAL;
}
uint64_t bitrate = 0;
hwc_display_[disp_id]->GetDynamicDSIClock(&bitrate);
output_parcel->writeUint64(bitrate);
return 0;
}
android::status_t HWCSession::GetSupportedDsiClk(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int disp_id = input_parcel->readInt32();
if (disp_id < 0) {
return -EINVAL;
}
SCOPE_LOCK(locker_[disp_id]);
if (!hwc_display_[disp_id]) {
return -EINVAL;
}
std::vector<uint64_t> bit_rates;
hwc_display_[disp_id]->GetSupportedDSIClock(&bit_rates);
output_parcel->writeInt32(INT32(bit_rates.size()));
for (auto &bit_rate : bit_rates) {
output_parcel->writeUint64(bit_rate);
}
return 0;
}
android::status_t HWCSession::SetPanelLuminanceAttributes(const android::Parcel *input_parcel) {
int disp_id = input_parcel->readInt32();
// currently doing only for virtual display
if (disp_id != qdutils::DISPLAY_VIRTUAL) {
return -EINVAL;
}
float min_lum = input_parcel->readFloat();
float max_lum = input_parcel->readFloat();
// check for out of range luminance values
if (min_lum <= 0.0f || min_lum >= 1.0f || max_lum <= 100.0f || max_lum >= 1000.0f) {
return -EINVAL;
}
std::lock_guard<std::mutex> obj(mutex_lum_);
set_min_lum_ = min_lum;
set_max_lum_ = max_lum;
DLOGI("set max_lum %f, min_lum %f", set_max_lum_, set_min_lum_);
return 0;
}
void HWCSession::UEventHandler(const char *uevent_data, int length) {
// Drop hotplug uevents until SurfaceFlinger (the client) is connected. The equivalent of hotplug
// uevent handling will be done once when SurfaceFlinger connects, at RegisterCallback(). Since
// HandlePluggableDisplays() reads the latest connection states of all displays, no uevent is
// lost.
if (callbacks_.IsClientConnected() && strcasestr(uevent_data, HWC_UEVENT_DRM_EXT_HOTPLUG)) {
// MST hotplug will not carry connection status/test pattern etc.
// Pluggable display handler will check all connection status' and take action accordingly.
const char *str_status = GetTokenValue(uevent_data, length, "status=");
const char *str_mst = GetTokenValue(uevent_data, length, "MST_HOTPLUG=");
if (!str_status && !str_mst) {
return;
}
hpd_bpp_ = GetEventValue(uevent_data, length, "bpp=");
hpd_pattern_ = GetEventValue(uevent_data, length, "pattern=");
DLOGI("Uevent = %s, status = %s, MST_HOTPLUG = %s, bpp = %d, pattern = %d", uevent_data,
str_status ? str_status : "NULL", str_mst ? str_mst : "NULL", hpd_bpp_, hpd_pattern_);
hwc2_display_t virtual_display_index =
(hwc2_display_t)GetDisplayIndex(qdutils::DISPLAY_VIRTUAL);
std::bitset<kSecureMax> secure_sessions = 0;
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (active_builtin_disp_id < HWCCallbacks::kNumDisplays) {
Locker::ScopeLock lock_a(locker_[active_builtin_disp_id]);
hwc_display_[active_builtin_disp_id]->GetActiveSecureSession(&secure_sessions);
}
if (secure_sessions[kSecureDisplay] || hwc_display_[virtual_display_index]) {
// Defer hotplug handling.
SCOPE_LOCK(pluggable_handler_lock_);
DLOGI("Marking hotplug pending...");
pending_hotplug_event_ = kHotPlugEvent;
} else {
// Handle hotplug.
int32_t err = HandlePluggableDisplays(true);
if (err) {
DLOGW("Hotplug handling failed. Error %d '%s'. Hotplug handling %s.", err,
strerror(abs(err)), (pending_hotplug_event_ == kHotPlugEvent) ?
"deferred" : "dropped");
}
}
if (str_status) {
bool connected = (strncmp(str_status, "connected", strlen("connected")) == 0);
DLOGI("Connected = %d", connected);
// Pass on legacy HDMI hot-plug event.
qservice_->onHdmiHotplug(INT(connected));
}
}
}
int HWCSession::GetVsyncPeriod(int disp) {
SCOPE_LOCK(locker_[disp]);
// default value
int32_t vsync_period = 1000000000l / 60;
auto attribute = HWC2::Attribute::VsyncPeriod;
if (hwc_display_[disp]) {
hwc_display_[disp]->GetDisplayAttribute(0, attribute, &vsync_period);
}
return vsync_period;
}
void HWCSession::Refresh(hwc2_display_t display) {
callbacks_.Refresh(display);
}
android::status_t HWCSession::GetVisibleDisplayRect(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int disp_idx = GetDisplayIndex(input_parcel->readInt32());
if (disp_idx == -1) {
DLOGE("Invalid display = %d", disp_idx);
return android::BAD_VALUE;
}
SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_idx]);
if (!hwc_display_[disp_idx]) {
return android::NO_INIT;
}
hwc_rect_t visible_rect = {0, 0, 0, 0};
int error = hwc_display_[disp_idx]->GetVisibleDisplayRect(&visible_rect);
if (error < 0) {
return error;
}
output_parcel->writeInt32(visible_rect.left);
output_parcel->writeInt32(visible_rect.top);
output_parcel->writeInt32(visible_rect.right);
output_parcel->writeInt32(visible_rect.bottom);
return android::NO_ERROR;
}
int HWCSession::CreatePrimaryDisplay() {
int status = -EINVAL;
HWDisplaysInfo hw_displays_info = {};
if (null_display_mode_) {
HWDisplayInfo hw_info = {};
hw_info.display_type = kBuiltIn;
hw_info.is_connected = 1;
hw_info.is_primary = 1;
hw_info.is_wb_ubwc_supported = 0;
hw_info.display_id = 1;
hw_displays_info[hw_info.display_id] = hw_info;
} else {
DisplayError error = core_intf_->GetDisplaysStatus(&hw_displays_info);
if (error != kErrorNone) {
DLOGE("Failed to get connected display list. Error = %d", error);
return status;
}
}
for (auto &iter : hw_displays_info) {
auto &info = iter.second;
if (!info.is_primary) {
continue;
}
// todo (user): If primary display is not connected (e.g. hdmi as primary), a NULL display
// need to be created. SF expects primary display hotplug during callback registration unlike
// previous implementation where first hotplug could be notified anytime.
if (!info.is_connected) {
DLOGE("Primary display is not connected. Not supported at present.");
break;
}
auto hwc_display = &hwc_display_[HWC_DISPLAY_PRIMARY];
hwc2_display_t client_id = map_info_primary_.client_id;
if (info.display_type == kBuiltIn) {
status = HWCDisplayBuiltIn::Create(core_intf_, &buffer_allocator_, &callbacks_, this,
qservice_, client_id, info.display_id, hwc_display);
} else if (info.display_type == kPluggable) {
status = HWCDisplayPluggable::Create(core_intf_, &buffer_allocator_, &callbacks_, this,
qservice_, client_id, info.display_id, 0, 0, false,
hwc_display);
} else {
DLOGE("Spurious primary display type = %d", info.display_type);
break;
}
if (!status) {
DLOGI("Created primary display type = %d, sdm id = %d, client id = %d", info.display_type,
info.display_id, client_id);
is_hdr_display_[UINT32(client_id)] = HasHDRSupport(*hwc_display);
map_info_primary_.disp_type = info.display_type;
map_info_primary_.sdm_id = info.display_id;
CreateDummyDisplay(HWC_DISPLAY_PRIMARY);
color_mgr_ = HWCColorManager::CreateColorManager(&buffer_allocator_);
if (!color_mgr_) {
DLOGW("Failed to load HWCColorManager.");
}
} else {
DLOGE("Primary display creation has failed! status = %d", status);
}
// Primary display is found, no need to parse more.
break;
}
return status;
}
void HWCSession::CreateDummyDisplay(hwc2_display_t client_id) {
if (!async_powermode_) {
return;
}
hwc2_display_t dummy_disp_id = map_hwc_display_.find(client_id)->second;
auto hwc_display_dummy = &hwc_display_[dummy_disp_id];
HWCDisplayDummy::Create(core_intf_, &buffer_allocator_, &callbacks_, this, qservice_,
0, 0, hwc_display_dummy);
if (!*hwc_display_dummy) {
DLOGE("Dummy display creation failed for %d display\n", client_id);
}
}
int HWCSession::HandleBuiltInDisplays() {
if (null_display_mode_) {
DLOGW("Skipped BuiltIn display handling in null-display mode");
return 0;
}
HWDisplaysInfo hw_displays_info = {};
DisplayError error = core_intf_->GetDisplaysStatus(&hw_displays_info);
if (error != kErrorNone) {
DLOGE("Failed to get connected display list. Error = %d", error);
return -EINVAL;
}
int status = 0;
for (auto &iter : hw_displays_info) {
auto &info = iter.second;
// Do not recreate primary display.
if (info.is_primary || info.display_type != kBuiltIn) {
continue;
}
for (auto &map_info : map_info_builtin_) {
hwc2_display_t client_id = map_info.client_id;
{
SCOPE_LOCK(locker_[client_id]);
// Lock confined to this scope
if (hwc_display_[client_id]) {
continue;
}
DLOGI("Create builtin display, sdm id = %d, client id = %d", info.display_id, client_id);
status = HWCDisplayBuiltIn::Create(core_intf_, &buffer_allocator_, &callbacks_, this,
qservice_, client_id, info.display_id,
&hwc_display_[client_id]);
if (status) {
DLOGE("Builtin display creation failed.");
break;
}
is_hdr_display_[UINT32(client_id)] = HasHDRSupport(hwc_display_[client_id]);
DLOGI("Builtin display created: sdm id = %d, client id = %d", info.display_id, client_id);
map_info.disp_type = info.display_type;
map_info.sdm_id = info.display_id;
CreateDummyDisplay(client_id);
}
DLOGI("Hotplugging builtin display, sdm id = %d, client id = %d", info.display_id, client_id);
callbacks_.Hotplug(client_id, HWC2::Connection::Connected);
break;
}
}
return status;
}
int HWCSession::HandlePluggableDisplays(bool delay_hotplug) {
SCOPE_LOCK(pluggable_handler_lock_);
if (null_display_mode_) {
DLOGW("Skipped pluggable display handling in null-display mode");
return 0;
}
DLOGI("Handling hotplug...");
HWDisplaysInfo hw_displays_info = {};
DisplayError error = core_intf_->GetDisplaysStatus(&hw_displays_info);
if (error != kErrorNone) {
DLOGE("Failed to get connected display list. Error = %d", error);
return -EINVAL;
}
int status = HandleDisconnectedDisplays(&hw_displays_info);
if (status) {
DLOGE("All displays could not be disconnected.");
return status;
}
status = HandleConnectedDisplays(&hw_displays_info, delay_hotplug);
if (status) {
switch (status) {
case -EAGAIN:
case -ENODEV:
// Errors like device removal or deferral for which we want to try another hotplug handling.
pending_hotplug_event_ = kHotPlugEvent;
status = 0;
break;
default:
// Real errors we want to flag and stop hotplug handling.
pending_hotplug_event_ = kHotPlugNone;
DLOGE("All displays could not be connected. Error %d '%s'.", status, strerror(abs(status)));
}
DLOGI("Handling hotplug... %s", (kHotPlugNone == pending_hotplug_event_) ?
"Stopped." : "Done. Hotplug events pending.");
return status;
}
pending_hotplug_event_ = kHotPlugNone;
DLOGI("Handling hotplug... Done.");
return 0;
}
int HWCSession::HandleConnectedDisplays(HWDisplaysInfo *hw_displays_info, bool delay_hotplug) {
int status = 0;
std::vector<hwc2_display_t> pending_hotplugs = {};
for (auto &iter : *hw_displays_info) {
auto &info = iter.second;
// Do not recreate primary display or if display is not connected.
if (info.is_primary || info.display_type != kPluggable || !info.is_connected) {
continue;
}
// Check if we are already using the display.
auto display_used = std::find_if(map_info_pluggable_.begin(), map_info_pluggable_.end(),
[&](auto &p) {
return (p.sdm_id == info.display_id);
});
if (display_used != map_info_pluggable_.end()) {
// Display is already used in a slot.
continue;
}
// Count active pluggable display slots and slots with no commits.
bool first_commit_pending = false;
std::for_each(map_info_pluggable_.begin(), map_info_pluggable_.end(),
[&](auto &p) {
SCOPE_LOCK(locker_[p.client_id]);
if (hwc_display_[p.client_id]) {
if (!hwc_display_[p.client_id]->IsFirstCommitDone()) {
DLOGI("Display commit pending on display %d-1", p.sdm_id);
first_commit_pending = true;
}
}
});
if (!disable_hotplug_bwcheck_ && first_commit_pending) {
// Hotplug bandwidth check is accomplished by creating and hotplugging a new display after
// a display commit has happened on previous hotplugged displays. This allows the driver to
// return updated modes for the new display based on available link bandwidth.
DLOGI("Pending display commit on one of the displays. Deferring display creation.");
status = -EAGAIN;
if (callbacks_.IsClientConnected()) {
// Trigger a display refresh since we depend on PresentDisplay() to handle pending hotplugs.
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (active_builtin_disp_id >= HWCCallbacks::kNumDisplays) {
active_builtin_disp_id = HWC_DISPLAY_PRIMARY;
}
callbacks_.Refresh(active_builtin_disp_id);
}
break;
}
// find an empty slot to create display.
for (auto &map_info : map_info_pluggable_) {
hwc2_display_t client_id = map_info.client_id;
// Lock confined to this scope
{
SCOPE_LOCK(locker_[client_id]);
auto &hwc_display = hwc_display_[client_id];
if (hwc_display) {
// Display slot is already used.
continue;
}
DLOGI("Create pluggable display, sdm id = %d, client id = %d", info.display_id, client_id);
// Test pattern generation ?
map_info.test_pattern = (hpd_bpp_ > 0) && (hpd_pattern_ > 0);
int err = 0;
if (!map_info.test_pattern) {
err = HWCDisplayPluggable::Create(core_intf_, &buffer_allocator_,
&callbacks_, this, qservice_, client_id,
info.display_id, 0, 0, false, &hwc_display);
} else {
err = HWCDisplayPluggableTest::Create(core_intf_, &buffer_allocator_,
&callbacks_, this, qservice_, client_id,
info.display_id, UINT32(hpd_bpp_),
UINT32(hpd_pattern_), &hwc_display);
}
if (err) {
DLOGW("Pluggable display creation failed/aborted. Error %d '%s'.", err,
strerror(abs(err)));
status = err;
// Attempt creating remaining pluggable displays.
break;
}
is_hdr_display_[UINT32(client_id)] = HasHDRSupport(hwc_display);
DLOGI("Created pluggable display successfully: sdm id = %d, client id = %d",
info.display_id, client_id);
CreateDummyDisplay(client_id);
}
map_info.disp_type = info.display_type;
map_info.sdm_id = info.display_id;
pending_hotplugs.push_back((hwc2_display_t)client_id);
// Display is created for this sdm id, move to next connected display.
break;
}
}
// No display was created.
if (!pending_hotplugs.size()) {
return status;
}
// Active builtin display needs revalidation
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (active_builtin_disp_id < HWCCallbacks::kNumDisplays) {
{
SEQUENCE_WAIT_SCOPE_LOCK(locker_[active_builtin_disp_id]);
hwc_display_[active_builtin_disp_id]->ResetValidation();
}
if (callbacks_.IsClientConnected()) {
callbacks_.Refresh(active_builtin_disp_id);
}
// Do not sleep if this method is called from client thread.
if (delay_hotplug) {
// wait sufficient time to ensure resources are available for new display connection.
usleep(UINT32(GetVsyncPeriod(INT32(active_builtin_disp_id))) * 2 / 1000);
}
}
for (auto client_id : pending_hotplugs) {
DLOGI("Notify hotplug display connected: client id = %d", client_id);
callbacks_.Hotplug(client_id, HWC2::Connection::Connected);
}
return status;
}
bool HWCSession::HasHDRSupport(HWCDisplay *hwc_display) {
// query number of hdr types
uint32_t out_num_types = 0;
float out_max_luminance = 0.0f;
float out_max_average_luminance = 0.0f;
float out_min_luminance = 0.0f;
if (hwc_display->GetHdrCapabilities(&out_num_types, nullptr, &out_max_luminance,
&out_max_average_luminance, &out_min_luminance)
!= HWC2::Error::None) {
return false;
}
return (out_num_types > 0);
}
int HWCSession::HandleDisconnectedDisplays(HWDisplaysInfo *hw_displays_info) {
// Destroy pluggable displays which were connected earlier but got disconnected now.
for (auto &map_info : map_info_pluggable_) {
bool disconnect = true; // disconnect in case display id is not found in list.
for (auto &iter : *hw_displays_info) {
auto &info = iter.second;
if (info.display_id != map_info.sdm_id) {
continue;
}
if (info.is_connected) {
disconnect = false;
}
break;
}
if (disconnect) {
DestroyDisplay(&map_info);
}
}
return 0;
}
void HWCSession::DestroyDisplay(DisplayMapInfo *map_info) {
switch (map_info->disp_type) {
case kPluggable:
DestroyPluggableDisplay(map_info);
break;
default:
DestroyNonPluggableDisplay(map_info);
break;
}
}
void HWCSession::DestroyPluggableDisplay(DisplayMapInfo *map_info) {
hwc2_display_t client_id = map_info->client_id;
DLOGI("Notify hotplug display disconnected: client id = %d", client_id);
callbacks_.Hotplug(client_id, HWC2::Connection::Disconnected);
{
SCOPE_LOCK(locker_[client_id]);
auto &hwc_display = hwc_display_[client_id];
if (!hwc_display) {
return;
}
DLOGI("Destroy display %d-%d, client id = %d", map_info->sdm_id, map_info->disp_type,
client_id);
is_hdr_display_[UINT32(client_id)] = false;
if (!map_info->test_pattern) {
HWCDisplayPluggable::Destroy(hwc_display);
} else {
HWCDisplayPluggableTest::Destroy(hwc_display);
}
if (async_powermode_) {
hwc2_display_t dummy_disp_id = map_hwc_display_.find(client_id)->second;
auto &hwc_display_dummy = hwc_display_[dummy_disp_id];
display_ready_.reset(UINT32(dummy_disp_id));
if (hwc_display_dummy) {
HWCDisplayDummy::Destroy(hwc_display_dummy);
hwc_display_dummy = nullptr;
}
}
display_ready_.reset(UINT32(client_id));
hwc_display = nullptr;
map_info->Reset();
}
}
void HWCSession::DestroyNonPluggableDisplay(DisplayMapInfo *map_info) {
hwc2_display_t client_id = map_info->client_id;
SCOPE_LOCK(locker_[client_id]);
auto &hwc_display = hwc_display_[client_id];
if (!hwc_display) {
return;
}
DLOGI("Destroy display %d-%d, client id = %d", map_info->sdm_id, map_info->disp_type,
client_id);
is_hdr_display_[UINT32(client_id)] = false;
switch (map_info->disp_type) {
case kBuiltIn:
HWCDisplayBuiltIn::Destroy(hwc_display);
break;
default:
virtual_display_factory_.Destroy(hwc_display);
break;
}
if (async_powermode_ && map_info->disp_type == kBuiltIn) {
hwc2_display_t dummy_disp_id = map_hwc_display_.find(client_id)->second;
auto &hwc_display_dummy = hwc_display_[dummy_disp_id];
display_ready_.reset(UINT32(dummy_disp_id));
if (hwc_display_dummy) {
HWCDisplayDummy::Destroy(hwc_display_dummy);
hwc_display_dummy = nullptr;
}
}
hwc_display = nullptr;
display_ready_.reset(UINT32(client_id));
map_info->Reset();
}
HWC2::Error HWCSession::ValidateDisplayInternal(hwc2_display_t display, uint32_t *out_num_types,
uint32_t *out_num_requests) {
HWCDisplay *hwc_display = hwc_display_[display];
DTRACE_SCOPED();
if (hwc_display->IsInternalValidateState()) {
// Internal Validation has already been done on display, get the Output params.
return hwc_display->GetValidateDisplayOutput(out_num_types, out_num_requests);
}
if (display == HWC_DISPLAY_PRIMARY) {
// TODO(user): This can be moved to HWCDisplayPrimary
if (need_invalidate_) {
callbacks_.Refresh(display);
need_invalidate_ = false;
}
if (color_mgr_) {
color_mgr_->SetColorModeDetailEnhancer(hwc_display_[display]);
}
}
return hwc_display->Validate(out_num_types, out_num_requests);
}
HWC2::Error HWCSession::PresentDisplayInternal(hwc2_display_t display, int32_t *out_retire_fence) {
HWCDisplay *hwc_display = hwc_display_[display];
DTRACE_SCOPED();
// If display is in Skip-Validate state and Validate cannot be skipped, do Internal
// Validation to optimize for the frames which don't require the Client composition.
if (hwc_display->IsSkipValidateState() && !hwc_display->CanSkipValidate()) {
uint32_t out_num_types = 0, out_num_requests = 0;
hwc_display->SetFastPathComposition(true);
HWC2::Error error = ValidateDisplayInternal(display, &out_num_types, &out_num_requests);
if ((error != HWC2::Error::None) || hwc_display->HWCClientNeedsValidate()) {
hwc_display->SetValidationState(HWCDisplay::kInternalValidate);
hwc_display->SetFastPathComposition(false);
return HWC2::Error::NotValidated;
}
}
return HWC2::Error::None;
}
void HWCSession::DisplayPowerReset() {
// Acquire lock on all displays.
for (hwc2_display_t display = HWC_DISPLAY_PRIMARY;
display < HWCCallbacks::kNumDisplays; display++) {
locker_[display].Lock();
}
HWC2::Error status = HWC2::Error::None;
HWC2::PowerMode last_power_mode[HWCCallbacks::kNumDisplays] = {};
for (hwc2_display_t display = HWC_DISPLAY_PRIMARY;
display < HWCCallbacks::kNumDisplays; display++) {
if (hwc_display_[display] != NULL) {
last_power_mode[display] = hwc_display_[display]->GetCurrentPowerMode();
DLOGI("Powering off display = %d", display);
status = hwc_display_[display]->SetPowerMode(HWC2::PowerMode::Off,
true /* teardown */);
if (status != HWC2::Error::None) {
DLOGE("Power off for display = %d failed with error = %d", display, status);
}
}
}
for (hwc2_display_t display = HWC_DISPLAY_PRIMARY;
display < HWCCallbacks::kNumDisplays; display++) {
if (hwc_display_[display] != NULL) {
HWC2::PowerMode mode = last_power_mode[display];
DLOGI("Setting display %d to mode = %d", display, mode);
status = hwc_display_[display]->SetPowerMode(mode, false /* teardown */);
if (status != HWC2::Error::None) {
DLOGE("%d mode for display = %d failed with error = %d", mode, display, status);
}
ColorMode color_mode = hwc_display_[display]->GetCurrentColorMode();
status = hwc_display_[display]->SetColorMode(color_mode);
if (status != HWC2::Error::None) {
DLOGE("SetColorMode failed for display = %d error = %d", display, status);
}
}
}
hwc2_display_t vsync_source = callbacks_.GetVsyncSource();
status = hwc_display_[vsync_source]->SetVsyncEnabled(HWC2::Vsync::Enable);
if (status != HWC2::Error::None) {
DLOGE("Enabling vsync failed for disp: %" PRIu64 " with error = %d", vsync_source, status);
}
// Release lock on all displays.
for (hwc2_display_t display = HWC_DISPLAY_PRIMARY;
display < HWCCallbacks::kNumDisplays; display++) {
locker_[display].Unlock();
}
callbacks_.Refresh(vsync_source);
}
void HWCSession::HandleSecureSession() {
std::bitset<kSecureMax> secure_sessions = 0;
{
// TODO(user): Revisit if supporting secure display on non-primary.
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (active_builtin_disp_id >= HWCCallbacks::kNumDisplays) {
return;
}
Locker::ScopeLock lock_pwr(power_state_[active_builtin_disp_id]);
if (power_state_transition_[active_builtin_disp_id]) {
// Route all interactions with client to dummy display.
active_builtin_disp_id = map_hwc_display_.find(active_builtin_disp_id)->second;
}
Locker::ScopeLock lock_d(locker_[active_builtin_disp_id]);
hwc_display_[active_builtin_disp_id]->GetActiveSecureSession(&secure_sessions);
}
if (secure_sessions.any()) {
secure_session_active_ = true;
} else if (!secure_session_active_) {
// No secure session active. No secure session transition to handle. Skip remaining steps.
return;
}
// If it is called during primary prepare/commit, we need to pause any ongoing commit on
// external/virtual display.
for (hwc2_display_t display = HWC_DISPLAY_PRIMARY;
display < HWCCallbacks::kNumDisplays; display++) {
Locker::ScopeLock lock_d(locker_[display]);
if (hwc_display_[display]) {
hwc_display_[display]->HandleSecureSession(secure_sessions, &pending_power_mode_[display]);
}
}
}
void HWCSession::HandlePendingPowerMode(hwc2_display_t disp_id, int retire_fence) {
if (!secure_session_active_) {
// No secure session active. Skip remaining steps.
return;
}
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (disp_id != active_builtin_disp_id) {
return;
}
Locker::ScopeLock lock_d(locker_[active_builtin_disp_id]);
bool pending_power_mode = false;
for (hwc2_display_t display = HWC_DISPLAY_PRIMARY + 1;
display < HWCCallbacks::kNumDisplays; display++) {
if (display != active_builtin_disp_id) {
Locker::ScopeLock lock_d(locker_[display]);
if (pending_power_mode_[display]) {
pending_power_mode = true;
break;
}
}
}
if (pending_power_mode) {
// retire fence is set only after successful primary commit, So check for retire fence to know
// non secure commit went through to notify driver to change the CRTC mode to non secure.
// Otherwise any commit to non-primary display would fail.
if (retire_fence < 0) {
return;
}
int error = sync_wait(retire_fence, 1000);
if (error < 0) {
DLOGE("sync_wait error errno = %d, desc = %s", errno, strerror(errno));
}
} else {
return;
}
for (hwc2_display_t display = HWC_DISPLAY_PRIMARY + 1;
display < HWCCallbacks::kNumDisplays; display++) {
if (display != active_builtin_disp_id) {
Locker::ScopeLock lock_d(locker_[display]);
if (pending_power_mode_[display] && hwc_display_[display]) {
HWC2::Error error =
hwc_display_[display]->SetPowerMode(hwc_display_[display]->GetPendingPowerMode(), false);
if (HWC2::Error::None == error) {
pending_power_mode_[display] = false;
hwc_display_[display]->ClearPendingPowerMode();
pending_refresh_.set(UINT32(HWC_DISPLAY_PRIMARY));
} else {
DLOGE("SetDisplayStatus error = %d (%s)", error, to_string(error).c_str());
}
}
}
}
secure_session_active_ = false;
}
void HWCSession::HandlePendingHotplug(hwc2_display_t disp_id, int retire_fence) {
hwc2_display_t active_builtin_disp_id = GetActiveBuiltinDisplay();
if (disp_id != active_builtin_disp_id ||
(kHotPlugNone == pending_hotplug_event_ && !destroy_virtual_disp_pending_)) {
return;
}
std :: bitset < kSecureMax > secure_sessions = 0;
if (active_builtin_disp_id < HWCCallbacks::kNumDisplays) {
Locker::ScopeLock lock_d(locker_[active_builtin_disp_id]);
hwc_display_[active_builtin_disp_id]->GetActiveSecureSession(&secure_sessions);
}
if (secure_sessions.any() || active_builtin_disp_id >= HWCCallbacks::kNumDisplays) {
return;
}
if (destroy_virtual_disp_pending_ || kHotPlugEvent == pending_hotplug_event_) {
if (retire_fence >= 0) {
int error = sync_wait(retire_fence, 1000);
if (error < 0) {
DLOGE("sync_wait error errno = %d, desc = %s", errno, strerror(errno));
}
}
// Destroy the pending virtual display if secure session not present.
if (destroy_virtual_disp_pending_) {
for (auto &map_info : map_info_virtual_) {
DestroyDisplay(&map_info);
destroy_virtual_disp_pending_ = false;
}
}
// Handle connect/disconnect hotplugs if secure session is not present.
hwc2_display_t virtual_display_idx = (hwc2_display_t)GetDisplayIndex(qdutils::DISPLAY_VIRTUAL);
if (!hwc_display_[virtual_display_idx] && kHotPlugEvent == pending_hotplug_event_) {
// Handle deferred hotplug event.
int32_t err = pluggable_handler_lock_.TryLock();
if (!err) {
// Do hotplug handling in a different thread to avoid blocking PresentDisplay.
std::thread(&HWCSession::HandlePluggableDisplays, this, true).detach();
pluggable_handler_lock_.Unlock();
} else {
// EBUSY means another thread is already handling hotplug. Skip deferred hotplug handling.
if (EBUSY != err) {
DLOGW("Failed to acquire pluggable display handler lock. Error %d '%s'.", err,
strerror(abs(err)));
}
}
}
}
}
int32_t HWCSession::GetReadbackBufferAttributes(hwc2_display_t display, int32_t *format,
int32_t *dataspace) {
if (!format || !dataspace) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display != HWC_DISPLAY_PRIMARY) {
return HWC2_ERROR_BAD_DISPLAY;
}
HWCDisplay *hwc_display = hwc_display_[display];
if (hwc_display) {
*format = HAL_PIXEL_FORMAT_RGB_888;
*dataspace = GetDataspaceFromColorMode(hwc_display->GetCurrentColorMode());
return HWC2_ERROR_NONE;
}
return HWC2_ERROR_BAD_DISPLAY;
}
int32_t HWCSession::SetReadbackBuffer(hwc2_display_t display, const native_handle_t *buffer,
int32_t acquire_fence) {
if (!buffer) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display != HWC_DISPLAY_PRIMARY) {
return HWC2_ERROR_BAD_DISPLAY;
}
int external_dpy_index = GetDisplayIndex(qdutils::DISPLAY_EXTERNAL);
int virtual_dpy_index = GetDisplayIndex(qdutils::DISPLAY_VIRTUAL);
if (((external_dpy_index != -1) && hwc_display_[external_dpy_index]) ||
((virtual_dpy_index != -1) && hwc_display_[virtual_dpy_index])) {
return HWC2_ERROR_UNSUPPORTED;
}
return CallDisplayFunction(display, &HWCDisplay::SetReadbackBuffer, buffer, acquire_fence,
false, kCWBClientComposer);
}
int32_t HWCSession::GetReadbackBufferFence(hwc2_display_t display, int32_t *release_fence) {
if (!release_fence) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display != HWC_DISPLAY_PRIMARY) {
return HWC2_ERROR_BAD_DISPLAY;
}
return CallDisplayFunction(display, &HWCDisplay::GetReadbackBufferFence, release_fence);
}
int32_t HWCSession::GetDisplayIdentificationData(hwc2_display_t display, uint8_t *outPort,
uint32_t *outDataSize, uint8_t *outData) {
if (!outPort || !outDataSize) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
return CallDisplayFunction(display, &HWCDisplay::GetDisplayIdentificationData, outPort,
outDataSize, outData);
}
int32_t HWCSession::GetDisplayCapabilities(hwc2_display_t display, uint32_t *outNumCapabilities,
uint32_t *outCapabilities) {
if (!outNumCapabilities) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
if (!hwc_display_[display]) {
DLOGE("Expected valid hwc_display");
return HWC2_ERROR_BAD_PARAMETER;
}
bool isBuiltin = (hwc_display_[display]->GetDisplayClass() == DISPLAY_CLASS_BUILTIN);
if (!outCapabilities) {
*outNumCapabilities = 0;
if (isBuiltin) {
*outNumCapabilities = 3;
}
return HWC2_ERROR_NONE;
} else {
if (isBuiltin) {
// TODO(user): Handle SKIP_CLIENT_COLOR_TRANSFORM based on DSPP availability
outCapabilities[0] = HWC2_DISPLAY_CAPABILITY_SKIP_CLIENT_COLOR_TRANSFORM;
outCapabilities[1] = HWC2_DISPLAY_CAPABILITY_DOZE;
outCapabilities[2] = HWC2_DISPLAY_CAPABILITY_BRIGHTNESS;
*outNumCapabilities = 3;
}
return HWC2_ERROR_NONE;
}
}
int32_t HWCSession::GetDisplayBrightnessSupport(hwc2_display_t display, bool *outSupport) {
if (!outSupport) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
if (!hwc_display_[display]) {
DLOGE("Expected valid hwc_display");
return HWC2_ERROR_BAD_PARAMETER;
}
*outSupport = (hwc_display_[display]->GetDisplayClass() == DISPLAY_CLASS_BUILTIN);
return HWC2_ERROR_NONE;
}
int32_t HWCSession::SetDisplayBrightness(hwc2_display_t display, float brightness) {
if (display >= HWCCallbacks::kNumDisplays) {
return HWC2_ERROR_BAD_DISPLAY;
}
if (!hwc_display_[display]) {
return HWC2_ERROR_BAD_PARAMETER;
}
return INT32(hwc_display_[display]->SetPanelBrightness(brightness));
}
android::status_t HWCSession::SetQSyncMode(const android::Parcel *input_parcel) {
auto mode = input_parcel->readInt32();
QSyncMode qsync_mode = kQSyncModeNone;
switch (mode) {
case qService::IQService::QSYNC_MODE_NONE:
qsync_mode = kQSyncModeNone;
break;
case qService::IQService::QSYNC_MODE_CONTINUOUS:
qsync_mode = kQSyncModeContinuous;
break;
case qService::IQService::QSYNC_MODE_ONESHOT:
qsync_mode = kQsyncModeOneShot;
break;
default:
DLOGE("Qsync mode not supported %d", mode);
return -EINVAL;
}
return CallDisplayFunction(HWC_DISPLAY_PRIMARY, &HWCDisplay::SetQSyncMode, qsync_mode);
}
void HWCSession::UpdateThrottlingRate() {
uint32_t new_min = 0;
for (int i=0; i < HWCCallbacks::kNumDisplays; i++) {
auto &display = hwc_display_[i];
if (!display)
continue;
if (display->GetCurrentPowerMode() != HWC2::PowerMode::Off)
new_min = (new_min == 0) ? display->GetMaxRefreshRate() :
std::min(new_min, display->GetMaxRefreshRate());
}
SetNewThrottlingRate(new_min);
}
void HWCSession::SetNewThrottlingRate(const uint32_t new_rate) {
if (new_rate !=0 && throttling_refresh_rate_ != new_rate) {
HWCDisplay::SetThrottlingRefreshRate(new_rate);
throttling_refresh_rate_ = new_rate;
}
}
android::status_t HWCSession::SetIdlePC(const android::Parcel *input_parcel) {
auto enable = input_parcel->readInt32();
auto synchronous = input_parcel->readInt32();
return static_cast<android::status_t>(controlIdlePowerCollapse(enable, synchronous));
}
hwc2_display_t HWCSession::GetActiveBuiltinDisplay() {
hwc2_display_t active_display = HWCCallbacks::kNumDisplays;
// Get first active display among primary and built-in displays.
std::vector<DisplayMapInfo> map_info = {map_info_primary_};
std::copy(map_info_builtin_.begin(), map_info_builtin_.end(), std::back_inserter(map_info));
for (auto &info : map_info) {
hwc2_display_t target_display = info.client_id;
SCOPE_LOCK(power_state_[target_display]);
if (power_state_transition_[target_display]) {
// Route all interactions with client to dummy display.
target_display = map_hwc_display_.find(target_display)->second;
}
Locker::ScopeLock lock_d(locker_[target_display]);
auto &hwc_display = hwc_display_[target_display];
if (hwc_display && hwc_display->GetCurrentPowerMode() != HWC2::PowerMode::Off) {
active_display = info.client_id;
break;
}
}
return active_display;
}
int32_t HWCSession::SetDisplayBrightnessScale(const android::Parcel *input_parcel) {
auto display = input_parcel->readInt32();
auto level = input_parcel->readInt32();
if (level < 0 || level > kBrightnessScaleMax) {
DLOGE("Invalid backlight scale level %d", level);
return -EINVAL;
}
auto bl_scale = level * kSvBlScaleMax / kBrightnessScaleMax;
auto error = CallDisplayFunction(display, &HWCDisplay::SetBLScale, (uint32_t)bl_scale);
if (INT32(error) == HWC2_ERROR_NONE) {
callbacks_.Refresh(display);
}
return INT32(error);
}
void HWCSession::NotifyClientStatus(bool connected) {
for (uint32_t i = 0; i < HWCCallbacks::kNumDisplays; i++) {
if (!hwc_display_[i]) {
continue;
}
SCOPE_LOCK(locker_[i]);
hwc_display_[i]->NotifyClientStatus(connected);
}
}
} // namespace sdm