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Merge "Only update the display when brightness and state are valid." into sc-dev

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This commit is contained in:
Michael Wright
2021-08-18 16:28:02 +00:00
committed by Android (Google) Code Review
parent 018e3d97d0 a00cda6779
commit 10db7a419c
1 changed files with 4 additions and 2 deletions
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6
services/core/java/com/android/server/display/DisplayPowerState.java
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@@ -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) {