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Clamp brightness before saving it

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If we save unclamped brightness, later we'll call ABC.configure with the unclamped value and the short-term model will be adjusted with the unclamped value which is wrong.

Bug: 288368190
Test: DisplayPowerControllerTest
Test: DisplayPowerController2Test
Change-Id: I668b1fde3eef8a1721f3b14f16fec0c1eae3b04d
This commit is contained in:
Piotr Wilczyński
2023-06-26 18:18:59 +00:00
parent 6560ff1e95
commit f214018142
4 changed files with 100 additions and 15 deletions
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21
services/core/java/com/android/server/display/DisplayPowerController.java
View File

@@ -2155,8 +2155,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
final DisplayDeviceConfig.HighBrightnessModeData hbmData =
ddConfig != null ? ddConfig.getHighBrightnessModeData() : null;
final DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked();
return new HighBrightnessModeController(mHandler, info.width, info.height, displayToken,
displayUniqueId, PowerManager.BRIGHTNESS_MIN, PowerManager.BRIGHTNESS_MAX, hbmData,
return mInjector.getHighBrightnessModeController(mHandler, info.width, info.height,
displayToken, displayUniqueId, PowerManager.BRIGHTNESS_MIN,
PowerManager.BRIGHTNESS_MAX, hbmData,
new HighBrightnessModeController.HdrBrightnessDeviceConfig() {
@Override
public float getHdrBrightnessFromSdr(
@@ -2667,10 +2668,11 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
public void setBrightness(float brightnessValue, int userSerial) {
// Update the setting, which will eventually call back into DPC to have us actually update
// the display with the new value.
float clampedBrightnessValue = clampScreenBrightness(brightnessValue);
mBrightnessSetting.setUserSerial(userSerial);
mBrightnessSetting.setBrightness(brightnessValue);
mBrightnessSetting.setBrightness(clampedBrightnessValue);
if (mDisplayId == Display.DEFAULT_DISPLAY && mPersistBrightnessNitsForDefaultDisplay) {
float nits = convertToNits(brightnessValue);
float nits = convertToNits(clampedBrightnessValue);
if (nits >= 0) {
mBrightnessSetting.setBrightnessNitsForDefaultDisplay(nits);
}
@@ -3526,6 +3528,17 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
brightnessMapper
);
}
HighBrightnessModeController getHighBrightnessModeController(Handler handler, int width,
int height, IBinder displayToken, String displayUniqueId, float brightnessMin,
float brightnessMax, DisplayDeviceConfig.HighBrightnessModeData hbmData,
HighBrightnessModeController.HdrBrightnessDeviceConfig hdrBrightnessCfg,
Runnable hbmChangeCallback, HighBrightnessModeMetadata hbmMetadata,
Context context) {
return new HighBrightnessModeController(handler, width, height, displayToken,
displayUniqueId, brightnessMin, brightnessMax, hbmData, hdrBrightnessCfg,
hbmChangeCallback, hbmMetadata, context);
}
}
static class CachedBrightnessInfo {

20
services/core/java/com/android/server/display/DisplayPowerController2.java
View File

@@ -1802,9 +1802,9 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
final DisplayDeviceConfig.HighBrightnessModeData hbmData =
ddConfig != null ? ddConfig.getHighBrightnessModeData() : null;
final DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked();
return new HighBrightnessModeController(mHandler, info.width, info.height, displayToken,
displayUniqueId, PowerManager.BRIGHTNESS_MIN, PowerManager.BRIGHTNESS_MAX, hbmData,
(sdrBrightness, maxDesiredHdrSdrRatio) ->
return mInjector.getHighBrightnessModeController(mHandler, info.width, info.height,
displayToken, displayUniqueId, PowerManager.BRIGHTNESS_MIN,
PowerManager.BRIGHTNESS_MAX, hbmData, (sdrBrightness, maxDesiredHdrSdrRatio) ->
mDisplayDeviceConfig.getHdrBrightnessFromSdr(sdrBrightness,
maxDesiredHdrSdrRatio), modeChangeCallback, hbmMetadata, mContext);
}
@@ -2173,7 +2173,8 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
@Override
public void setBrightness(float brightnessValue, int userSerial) {
mDisplayBrightnessController.setBrightness(brightnessValue, userSerial);
mDisplayBrightnessController.setBrightness(clampScreenBrightness(brightnessValue),
userSerial);
}
@Override
@@ -2890,6 +2891,17 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
brightnessMapper
);
}
HighBrightnessModeController getHighBrightnessModeController(Handler handler, int width,
int height, IBinder displayToken, String displayUniqueId, float brightnessMin,
float brightnessMax, DisplayDeviceConfig.HighBrightnessModeData hbmData,
HighBrightnessModeController.HdrBrightnessDeviceConfig hdrBrightnessCfg,
Runnable hbmChangeCallback, HighBrightnessModeMetadata hbmMetadata,
Context context) {
return new HighBrightnessModeController(handler, width, height, displayToken,
displayUniqueId, brightnessMin, brightnessMax, hbmData, hdrBrightnessCfg,
hbmChangeCallback, hbmMetadata, context);
}
}
static class CachedBrightnessInfo {

38
services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerController2Test.java
View File

@@ -46,6 +46,7 @@ import android.hardware.SensorManager;
import android.hardware.display.DisplayManagerInternal.DisplayPowerCallbacks;
import android.hardware.display.DisplayManagerInternal.DisplayPowerRequest;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.PowerManager;
import android.os.SystemProperties;
@@ -838,6 +839,16 @@ public final class DisplayPowerController2Test {
.getThermalBrightnessThrottlingDataMapByThrottlingId();
}
@Test
public void testSetBrightness_BrightnessShouldBeClamped() {
float clampedBrightness = 0.6f;
when(mHolder.hbmController.getCurrentBrightnessMax()).thenReturn(clampedBrightness);
mHolder.dpc.setBrightness(PowerManager.BRIGHTNESS_MAX);
verify(mHolder.brightnessSetting).setBrightness(clampedBrightness);
}
/**
* Creates a mock and registers it to {@link LocalServices}.
*/
@@ -920,10 +931,13 @@ public final class DisplayPowerController2Test {
final HysteresisLevels hysteresisLevels = mock(HysteresisLevels.class);
final ScreenOffBrightnessSensorController screenOffBrightnessSensorController =
mock(ScreenOffBrightnessSensorController.class);
final HighBrightnessModeController hbmController = mock(HighBrightnessModeController.class);
when(hbmController.getCurrentBrightnessMax()).thenReturn(PowerManager.BRIGHTNESS_MAX);
TestInjector injector = spy(new TestInjector(displayPowerState, animator,
automaticBrightnessController, wakelockController, brightnessMappingStrategy,
hysteresisLevels, screenOffBrightnessSensorController));
hysteresisLevels, screenOffBrightnessSensorController, hbmController));
final LogicalDisplay display = mock(LogicalDisplay.class);
final DisplayDevice device = mock(DisplayDevice.class);
@@ -941,8 +955,8 @@ public final class DisplayPowerController2Test {
return new DisplayPowerControllerHolder(dpc, display, displayPowerState, brightnessSetting,
animator, automaticBrightnessController, wakelockController,
screenOffBrightnessSensorController, hbmMetadata, brightnessMappingStrategy,
injector);
screenOffBrightnessSensorController, hbmController, hbmMetadata,
brightnessMappingStrategy, injector);
}
/**
@@ -958,6 +972,7 @@ public final class DisplayPowerController2Test {
public final AutomaticBrightnessController automaticBrightnessController;
public final WakelockController wakelockController;
public final ScreenOffBrightnessSensorController screenOffBrightnessSensorController;
public final HighBrightnessModeController hbmController;
public final HighBrightnessModeMetadata hbmMetadata;
public final BrightnessMappingStrategy brightnessMappingStrategy;
public final DisplayPowerController2.Injector injector;
@@ -968,6 +983,7 @@ public final class DisplayPowerController2Test {
AutomaticBrightnessController automaticBrightnessController,
WakelockController wakelockController,
ScreenOffBrightnessSensorController screenOffBrightnessSensorController,
HighBrightnessModeController hbmController,
HighBrightnessModeMetadata hbmMetadata,
BrightnessMappingStrategy brightnessMappingStrategy,
DisplayPowerController2.Injector injector) {
@@ -979,6 +995,7 @@ public final class DisplayPowerController2Test {
this.automaticBrightnessController = automaticBrightnessController;
this.wakelockController = wakelockController;
this.screenOffBrightnessSensorController = screenOffBrightnessSensorController;
this.hbmController = hbmController;
this.hbmMetadata = hbmMetadata;
this.brightnessMappingStrategy = brightnessMappingStrategy;
this.injector = injector;
@@ -993,13 +1010,15 @@ public final class DisplayPowerController2Test {
private final BrightnessMappingStrategy mBrightnessMappingStrategy;
private final HysteresisLevels mHysteresisLevels;
private final ScreenOffBrightnessSensorController mScreenOffBrightnessSensorController;
private final HighBrightnessModeController mHighBrightnessModeController;
TestInjector(DisplayPowerState dps, DualRampAnimator<DisplayPowerState> animator,
AutomaticBrightnessController automaticBrightnessController,
WakelockController wakelockController,
BrightnessMappingStrategy brightnessMappingStrategy,
HysteresisLevels hysteresisLevels,
ScreenOffBrightnessSensorController screenOffBrightnessSensorController) {
ScreenOffBrightnessSensorController screenOffBrightnessSensorController,
HighBrightnessModeController highBrightnessModeController) {
mDisplayPowerState = dps;
mAnimator = animator;
mAutomaticBrightnessController = automaticBrightnessController;
@@ -1007,6 +1026,7 @@ public final class DisplayPowerController2Test {
mBrightnessMappingStrategy = brightnessMappingStrategy;
mHysteresisLevels = hysteresisLevels;
mScreenOffBrightnessSensorController = screenOffBrightnessSensorController;
mHighBrightnessModeController = highBrightnessModeController;
}
@Override
@@ -1100,5 +1120,15 @@ public final class DisplayPowerController2Test {
BrightnessMappingStrategy brightnessMapper) {
return mScreenOffBrightnessSensorController;
}
@Override
HighBrightnessModeController getHighBrightnessModeController(Handler handler, int width,
int height, IBinder displayToken, String displayUniqueId, float brightnessMin,
float brightnessMax, DisplayDeviceConfig.HighBrightnessModeData hbmData,
HighBrightnessModeController.HdrBrightnessDeviceConfig hdrBrightnessCfg,
Runnable hbmChangeCallback, HighBrightnessModeMetadata hbmMetadata,
Context context) {
return mHighBrightnessModeController;
}
}
}

36
services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerControllerTest.java
View File

@@ -46,6 +46,7 @@ import android.hardware.SensorManager;
import android.hardware.display.DisplayManagerInternal.DisplayPowerCallbacks;
import android.hardware.display.DisplayManagerInternal.DisplayPowerRequest;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.PowerManager;
import android.os.SystemProperties;
@@ -844,6 +845,16 @@ public final class DisplayPowerControllerTest {
.getThermalBrightnessThrottlingDataMapByThrottlingId();
}
@Test
public void testSetBrightness_BrightnessShouldBeClamped() {
float clampedBrightness = 0.6f;
when(mHolder.hbmController.getCurrentBrightnessMax()).thenReturn(clampedBrightness);
mHolder.dpc.setBrightness(PowerManager.BRIGHTNESS_MAX);
verify(mHolder.brightnessSetting).setBrightness(clampedBrightness);
}
/**
* Creates a mock and registers it to {@link LocalServices}.
*/
@@ -925,10 +936,13 @@ public final class DisplayPowerControllerTest {
final HysteresisLevels hysteresisLevels = mock(HysteresisLevels.class);
final ScreenOffBrightnessSensorController screenOffBrightnessSensorController =
mock(ScreenOffBrightnessSensorController.class);
final HighBrightnessModeController hbmController = mock(HighBrightnessModeController.class);
when(hbmController.getCurrentBrightnessMax()).thenReturn(PowerManager.BRIGHTNESS_MAX);
DisplayPowerController.Injector injector = spy(new TestInjector(displayPowerState, animator,
automaticBrightnessController, brightnessMappingStrategy, hysteresisLevels,
screenOffBrightnessSensorController));
screenOffBrightnessSensorController, hbmController));
final LogicalDisplay display = mock(LogicalDisplay.class);
final DisplayDevice device = mock(DisplayDevice.class);
@@ -946,7 +960,7 @@ public final class DisplayPowerControllerTest {
return new DisplayPowerControllerHolder(dpc, display, displayPowerState, brightnessSetting,
animator, automaticBrightnessController, screenOffBrightnessSensorController,
hbmMetadata, brightnessMappingStrategy, injector);
hbmController, hbmMetadata, brightnessMappingStrategy, injector);
}
/**
@@ -961,6 +975,7 @@ public final class DisplayPowerControllerTest {
public final DualRampAnimator<DisplayPowerState> animator;
public final AutomaticBrightnessController automaticBrightnessController;
public final ScreenOffBrightnessSensorController screenOffBrightnessSensorController;
public final HighBrightnessModeController hbmController;
public final HighBrightnessModeMetadata hbmMetadata;
public final BrightnessMappingStrategy brightnessMappingStrategy;
public final DisplayPowerController.Injector injector;
@@ -970,6 +985,7 @@ public final class DisplayPowerControllerTest {
DualRampAnimator<DisplayPowerState> animator,
AutomaticBrightnessController automaticBrightnessController,
ScreenOffBrightnessSensorController screenOffBrightnessSensorController,
HighBrightnessModeController hbmController,
HighBrightnessModeMetadata hbmMetadata,
BrightnessMappingStrategy brightnessMappingStrategy,
DisplayPowerController.Injector injector) {
@@ -980,6 +996,7 @@ public final class DisplayPowerControllerTest {
this.animator = animator;
this.automaticBrightnessController = automaticBrightnessController;
this.screenOffBrightnessSensorController = screenOffBrightnessSensorController;
this.hbmController = hbmController;
this.hbmMetadata = hbmMetadata;
this.brightnessMappingStrategy = brightnessMappingStrategy;
this.injector = injector;
@@ -993,18 +1010,21 @@ public final class DisplayPowerControllerTest {
private final BrightnessMappingStrategy mBrightnessMappingStrategy;
private final HysteresisLevels mHysteresisLevels;
private final ScreenOffBrightnessSensorController mScreenOffBrightnessSensorController;
private final HighBrightnessModeController mHighBrightnessModeController;
TestInjector(DisplayPowerState dps, DualRampAnimator<DisplayPowerState> animator,
AutomaticBrightnessController automaticBrightnessController,
BrightnessMappingStrategy brightnessMappingStrategy,
HysteresisLevels hysteresisLevels,
ScreenOffBrightnessSensorController screenOffBrightnessSensorController) {
ScreenOffBrightnessSensorController screenOffBrightnessSensorController,
HighBrightnessModeController highBrightnessModeController) {
mDisplayPowerState = dps;
mAnimator = animator;
mAutomaticBrightnessController = automaticBrightnessController;
mBrightnessMappingStrategy = brightnessMappingStrategy;
mHysteresisLevels = hysteresisLevels;
mScreenOffBrightnessSensorController = screenOffBrightnessSensorController;
mHighBrightnessModeController = highBrightnessModeController;
}
@Override
@@ -1076,5 +1096,15 @@ public final class DisplayPowerControllerTest {
BrightnessMappingStrategy brightnessMapper) {
return mScreenOffBrightnessSensorController;
}
@Override
HighBrightnessModeController getHighBrightnessModeController(Handler handler, int width,
int height, IBinder displayToken, String displayUniqueId, float brightnessMin,
float brightnessMax, DisplayDeviceConfig.HighBrightnessModeData hbmData,
HighBrightnessModeController.HdrBrightnessDeviceConfig hdrBrightnessCfg,
Runnable hbmChangeCallback, HighBrightnessModeMetadata hbmMetadata,
Context context) {
return mHighBrightnessModeController;
}
}
}