SF: handle onComposerHalVsyncIdle
Tell Scheduler to force resync on the next resync request
when onComposerHalVsyncIdle callback is called.
Bug: 198106220
Test: manually calling onComposerHalVsyncIdle from backdoor
Change-Id: I6875c0ba44ef4de2c025491830fbb0bb710093bd
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 9c32b1f..f6c81c0 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -169,6 +169,7 @@
// The period is the vsync period from the current display configuration.
void resyncToHardwareVsync(bool makeAvailable, nsecs_t period);
void resync() EXCLUDES(mRefreshRateConfigsLock);
+ void forceNextResync() { mLastResyncTime = 0; }
// Passes a vsync sample to VsyncController. periodFlushed will be true if
// VsyncController detected that the vsync period changed, and false otherwise.
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index ab45b4c..7cf276e 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1957,8 +1957,8 @@
}
void SurfaceFlinger::onComposerHalVsyncIdle(hal::HWDisplayId) {
- // TODO(b/198106220): force enable HWVsync to avoid drift problem during
- // idle.
+ ATRACE_CALL();
+ mScheduler->forceNextResync();
}
void SurfaceFlinger::setVsyncEnabled(bool enabled) {