DispSync: don't compensate for wakeup latency
This change removes the wakeup latency compensation from the software-generated
vsync events. Choreographer can't handle timestamps in the future, so don't
aim for early wake-ups with the expectation that the actual wake-up will be
late.
Bug: 11153576
diff --git a/services/surfaceflinger/DispSync.cpp b/services/surfaceflinger/DispSync.cpp
index 7e67138..bff304e 100644
--- a/services/surfaceflinger/DispSync.cpp
+++ b/services/surfaceflinger/DispSync.cpp
@@ -110,7 +110,7 @@
}
nextEventTime = computeNextEventTimeLocked(now);
- targetTime = nextEventTime - mWakeupLatency;
+ targetTime = nextEventTime;
bool isWakeup = false;
@@ -228,7 +228,7 @@
nsecs_t t = computeListenerNextEventTimeLocked(mEventListeners[i],
ref);
- if (t - mWakeupLatency < now) {
+ if (t < now) {
CallbackInvocation ci;
ci.mCallback = mEventListeners[i].mCallback;
ci.mEventTime = t;