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Commit eee8fc1c authored by Zheng Zhang's avatar Zheng Zhang Committed by android-build-merger
Browse files

DO NOT MERGE: SF: disable HW vsync while dozing 

am: 46d455b3

Change-Id: I8e2eb78fc79b5127d9baa6079095115c431e1823
parents 05f4679d 46d455b3

services/surfaceflinger/SurfaceFlinger.cpp

+16 −0
Original line number Diff line number Diff line
@@ -2651,6 +2651,22 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw, 
        getHwComposer().setPowerMode(type, mode);

        mVisibleRegionsDirty = true;

        // from this point on, SF will stop drawing on this display

    } else if (mode == HWC_POWER_MODE_DOZE) {

        // Update display while dozing

        getHwComposer().setPowerMode(type, mode);

        if (type == DisplayDevice::DISPLAY_PRIMARY) {

            // FIXME: eventthread only knows about the main display right now

            mEventThread->onScreenAcquired();

            resyncToHardwareVsync(true);

        }

    } else if (mode == HWC_POWER_MODE_DOZE_SUSPEND) {

        // Leave display going to doze

        if (type == DisplayDevice::DISPLAY_PRIMARY) {

            disableHardwareVsync(true); // also cancels any in-progress resync

            // FIXME: eventthread only knows about the main display right now

            mEventThread->onScreenReleased();

        }

        getHwComposer().setPowerMode(type, mode);

    } else {

        getHwComposer().setPowerMode(type, mode);

    }

services/surfaceflinger/SurfaceFlinger_hwc1.cpp

+16 −0
Original line number Diff line number Diff line
@@ -2567,6 +2567,22 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw, 
        getHwComposer().setPowerMode(type, mode);

        mVisibleRegionsDirty = true;

        // from this point on, SF will stop drawing on this display

    } else if (mode == HWC_POWER_MODE_DOZE) {

        // Update display while dozing

        getHwComposer().setPowerMode(type, mode);

        if (type == DisplayDevice::DISPLAY_PRIMARY) {

            // FIXME: eventthread only knows about the main display right now

            mEventThread->onScreenAcquired();

            resyncToHardwareVsync(true);

        }

    } else if (mode == HWC_POWER_MODE_DOZE_SUSPEND) {

        // Leave display going to doze

        if (type == DisplayDevice::DISPLAY_PRIMARY) {

            disableHardwareVsync(true); // also cancels any in-progress resync

            // FIXME: eventthread only knows about the main display right now

            mEventThread->onScreenReleased();

        }

        getHwComposer().setPowerMode(type, mode);

    } else {

        getHwComposer().setPowerMode(type, mode);

    }