Add debug log to getPossibleDisplayInfo

Test: manual
Bug: 345960547
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:6b225cbc7375496855a9075c21cd350bc216c3b7)
Merged-In: I32a103f81e86d59d462ddb59d3e0fed6865e3364
Change-Id: I32a103f81e86d59d462ddb59d3e0fed6865e3364

2 files changed, 8 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index c7b1d6a44239..32ae90199237 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -4643,6 +4643,8 @@ public final class DisplayManagerService extends SystemService {
                 }
                 final int[] supportedStates =
                         mDeviceStateManager.getSupportedStateIdentifiers();
+                // TODO(b/352019542): remove the log once b/345960547 is fixed.
+                Slog.d(TAG, "supportedStates=" + Arrays.toString(supportedStates));
                 DisplayInfo displayInfo;
                 for (int state : supportedStates) {
                     displayInfo = mLogicalDisplayMapper.getDisplayInfoForStateLocked(state,
@@ -4651,6 +4653,8 @@ public final class DisplayManagerService extends SystemService {
                         possibleInfo.add(displayInfo);
                     }
                 }
+                // TODO(b/352019542): remove the log once b/345960547 is fixed.
+                Slog.d(TAG, "possibleInfos=" + possibleInfo);
                 return possibleInfo;
             }
         }
diff --git a/services/core/java/com/android/server/display/LogicalDisplayMapper.java b/services/core/java/com/android/server/display/LogicalDisplayMapper.java
index 4f5fefbd1985..2ac46740db97 100644
--- a/services/core/java/com/android/server/display/LogicalDisplayMapper.java
+++ b/services/core/java/com/android/server/display/LogicalDisplayMapper.java
@@ -384,11 +384,15 @@ class LogicalDisplayMapper implements DisplayDeviceRepository.Listener {
         // Retrieve the layout for this particular state.
         final Layout layout = mDeviceStateToLayoutMap.get(deviceState);
         if (layout == null) {
+            // TODO(b/352019542): remove the log once b/345960547 is fixed.
+            Slog.d(TAG, "Cannot get layout for given state:" + deviceState);
             return null;
         }
         // Retrieve the details of the given display within this layout.
         Layout.Display display = layout.getById(displayId);
         if (display == null) {
+            // TODO(b/352019542): remove the log once b/345960547 is fixed.
+            Slog.d(TAG, "Cannot get display for given layout:" + layout);
             return null;
         }
         // Retrieve the display info for the display that matches the display id.