commit 6a9731d3ed5c5bd1cce64db28e2bc6ada25ebc85
author Rachel Lee <rnlee@google.com> Mon Jun 06 17:08:14 2022 -0700
committer Rachel Lee <rnlee@google.com> Tue Jun 07 21:05:23 2022 +0000
tree 3b782666b01764c9b39a84b90863adc205deeb78
parent 23a9ec0bb371a98db20a961c61cb8eb80b9fd71f

HW Vsync turns off correctly in Doze/AOD.

Otherwise when entering AOD mode, SF keeps HW Vsync on indefinitely,
leading to power inefficiency.

Bug: 219109873
Test: atest libsurfaceflinger_test
Test: perfetto trace
Change-Id: Idf80d4c64abe78593809be9d1ba6b7dd42d29054

services/surfaceflinger/Scheduler/Scheduler.h

diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 0c72124..a8043bf 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -186,7 +186,7 @@
     // Indicates that touch interaction is taking place.
     void onTouchHint();
 
-    void setDisplayPowerState(bool normal);
+    void setDisplayPowerMode(hal::PowerMode powerMode);
 
     VSyncDispatch& getVsyncDispatch() { return mVsyncSchedule->getDispatch(); }
 
@@ -325,7 +325,7 @@
         TimerState idleTimer = TimerState::Reset;
         TouchState touch = TouchState::Inactive;
         TimerState displayPowerTimer = TimerState::Expired;
-        bool isDisplayPowerStateNormal = true;
+        hal::PowerMode displayPowerMode = hal::PowerMode::ON;
 
         // Chosen display mode.
         DisplayModePtr mode;