diff options
Diffstat (limited to 'services/surfaceflinger/SurfaceFlinger.cpp')
| -rw-r--r-- | services/surfaceflinger/SurfaceFlinger.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp index d35a76ad4b..0ba29f98ae 100644 --- a/services/surfaceflinger/SurfaceFlinger.cpp +++ b/services/surfaceflinger/SurfaceFlinger.cpp @@ -3660,6 +3660,26 @@ sp<DisplayDevice> SurfaceFlinger::setupNewDisplayDeviceInternal( return display; } +void SurfaceFlinger::incRefreshableDisplays() { + if (FlagManager::getInstance().no_vsyncs_on_screen_off()) { + mRefreshableDisplays++; + if (mRefreshableDisplays == 1) { + ftl::FakeGuard guard(kMainThreadContext); + mScheduler->omitVsyncDispatching(false); + } + } +} + +void SurfaceFlinger::decRefreshableDisplays() { + if (FlagManager::getInstance().no_vsyncs_on_screen_off()) { + mRefreshableDisplays--; + if (mRefreshableDisplays == 0) { + ftl::FakeGuard guard(kMainThreadContext); + mScheduler->omitVsyncDispatching(true); + } + } +} + void SurfaceFlinger::processDisplayAdded(const wp<IBinder>& displayToken, const DisplayDeviceState& state) { ui::Size resolution(0, 0); @@ -3751,6 +3771,10 @@ void SurfaceFlinger::processDisplayAdded(const wp<IBinder>& displayToken, display->adjustRefreshRate(mScheduler->getPacesetterRefreshRate()); } + if (display->isRefreshable()) { + incRefreshableDisplays(); + } + mDisplays.try_emplace(displayToken, std::move(display)); // For an external display, loadDisplayModes already attempted to select the same mode @@ -3785,6 +3809,10 @@ void SurfaceFlinger::processDisplayRemoved(const wp<IBinder>& displayToken) { } else { mScheduler->unregisterDisplay(display->getPhysicalId(), mActiveDisplayId); } + + if (display->isRefreshable()) { + decRefreshableDisplays(); + } } mDisplays.erase(displayToken); @@ -3819,6 +3847,10 @@ void SurfaceFlinger::processDisplayChanged(const wp<IBinder>& displayToken, if (display->isVirtual()) { releaseVirtualDisplay(display->getVirtualId()); } + + if (display->isRefreshable()) { + decRefreshableDisplays(); + } } mDisplays.erase(displayToken); @@ -5317,7 +5349,15 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal: activeDisplay->isPoweredOn(), "Trying to change power mode on inactive display without powering off active display"); + const bool couldRefresh = display->isRefreshable(); display->setPowerMode(mode); + const bool canRefresh = display->isRefreshable(); + + if (couldRefresh && !canRefresh) { + decRefreshableDisplays(); + } else if (!couldRefresh && canRefresh) { + incRefreshableDisplays(); + } const auto activeMode = display->refreshRateSelector().getActiveMode().modePtr; if (currentMode == hal::PowerMode::OFF) { |