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Commit 979d93aa authored by Michael Wright's avatar Michael Wright Committed by Automerger Merge Worker
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Merge "Only update the display when brightness and state are valid." into sc-dev am: 10db7a41 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15557295

Change-Id: I549481f68e405236fd935587c888e9e75655ed48
parents 7f64ca92 10db7a41

services/core/java/com/android/server/display/DisplayPowerState.java

+4 −2
Original line number Diff line number Diff line
@@ -411,7 +411,7 @@ final class DisplayPowerState { 
     * Updates the state of the screen and backlight asynchronously on a separate thread.

     */

    private final class PhotonicModulator extends Thread {

        private static final int INITIAL_SCREEN_STATE = Display.STATE_OFF; // unknown, assume off

        private static final int INITIAL_SCREEN_STATE = Display.STATE_UNKNOWN;

        private static final float INITIAL_BACKLIGHT_FLOAT = PowerManager.BRIGHTNESS_INVALID_FLOAT;



        private final Object mLock = new Object();
@@ -494,7 +494,9 @@ final class DisplayPowerState { 
                    if (!backlightChanged) {

                        mBacklightChangeInProgress = false;

                    }

                    if (!stateChanged && !backlightChanged) {

                    boolean valid = state != Display.STATE_UNKNOWN && !Float.isNaN(brightnessState);

                    boolean changed = stateChanged || backlightChanged;

                    if (!valid || !changed) {

                        try {

                            mLock.wait();

                        } catch (InterruptedException ex) {