Send load up hint for cache rendering
cache buffer rendering supposes to utilize the cpu gap after current
frame finised and before the next frame. But it could take long and
delay the next frame start time and cause jank eventually.
Sending CPU LOAD UP hint to prevent stealing time from the next frame.
Bug: 285991802
Test: PtsUiBench QHD
Change-Id: Id619a8166ae253fef815a25a35fc4b82066144a9
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index fe2db94..ee5251a 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2568,6 +2568,7 @@
ATRACE_FORMAT("%s %" PRId64, __func__, vsyncId.value);
compositionengine::CompositionRefreshArgs refreshArgs;
+ refreshArgs.powerCallback = this;
const auto& displays = FTL_FAKE_GUARD(mStateLock, mDisplays);
refreshArgs.outputs.reserve(displays.size());
std::vector<DisplayId> displayIds;
@@ -3926,6 +3927,10 @@
mScheduler->onFrameRateOverridesChanged(mAppConnectionHandle, displayId);
}
+void SurfaceFlinger::notifyCpuLoadUp() {
+ mPowerAdvisor->notifyCpuLoadUp();
+}
+
void SurfaceFlinger::initScheduler(const sp<const DisplayDevice>& display) {
using namespace scheduler;