diff --git a/core/java/android/hardware/display/BrightnessInfo.java b/core/java/android/hardware/display/BrightnessInfo.java
index 99f3d156cfa95dd7c8da4fc12847abb8a39250fa..53a9a75fbca066d254920d16965ac2c38e4a83ef 100644
--- a/core/java/android/hardware/display/BrightnessInfo.java
+++ b/core/java/android/hardware/display/BrightnessInfo.java
@@ -59,7 +59,8 @@ public final class BrightnessInfo implements Parcelable {
@IntDef(prefix = {"BRIGHTNESS_MAX_REASON_"}, value = {
BRIGHTNESS_MAX_REASON_NONE,
- BRIGHTNESS_MAX_REASON_THERMAL
+ BRIGHTNESS_MAX_REASON_THERMAL,
+ BRIGHTNESS_MAX_REASON_POWER_IC
})
@Retention(RetentionPolicy.SOURCE)
public @interface BrightnessMaxReason {}
@@ -74,6 +75,11 @@ public final class BrightnessInfo implements Parcelable {
*/
public static final int BRIGHTNESS_MAX_REASON_THERMAL = 1;
+ /**
+ * Maximum brightness is restricted due to power throttling.
+ */
+ public static final int BRIGHTNESS_MAX_REASON_POWER_IC = 2;
+
/** Brightness */
public final float brightness;
@@ -144,6 +150,8 @@ public final class BrightnessInfo implements Parcelable {
return "none";
case BRIGHTNESS_MAX_REASON_THERMAL:
return "thermal";
+ case BRIGHTNESS_MAX_REASON_POWER_IC:
+ return "power IC";
}
return "invalid";
}
diff --git a/core/java/android/hardware/display/DisplayManager.java b/core/java/android/hardware/display/DisplayManager.java
index f347909348c89592f198fafea539756ee48c7173..a4593be8c2e41892039a8ff0107594ef37993b2b 100644
--- a/core/java/android/hardware/display/DisplayManager.java
+++ b/core/java/android/hardware/display/DisplayManager.java
@@ -1818,6 +1818,12 @@ public final class DisplayManager {
*/
String KEY_BRIGHTNESS_THROTTLING_DATA = "brightness_throttling_data";
+ /**
+ * Key for the power throttling data as a String formatted, from the display
+ * device config.
+ */
+ String KEY_POWER_THROTTLING_DATA = "power_throttling_data";
+
/**
* Key for new power controller feature flag. If enabled new DisplayPowerController will
* be used.
diff --git a/services/core/java/com/android/server/display/DeviceStateToLayoutMap.java b/services/core/java/com/android/server/display/DeviceStateToLayoutMap.java
index 472c1f58dc8abc049c8c49fbcdc23aeba1b0f234..1ac3a12fad21d6ecaa5a5a89db070ea6ad513208 100644
--- a/services/core/java/com/android/server/display/DeviceStateToLayoutMap.java
+++ b/services/core/java/com/android/server/display/DeviceStateToLayoutMap.java
@@ -135,7 +135,8 @@ class DeviceStateToLayoutMap {
leadDisplayAddress,
d.getBrightnessThrottlingMapId(),
d.getRefreshRateZoneId(),
- d.getRefreshRateThermalThrottlingMapId());
+ d.getRefreshRateThermalThrottlingMapId(),
+ d.getPowerThrottlingMapId());
}
layout.postProcessLocked();
}
diff --git a/services/core/java/com/android/server/display/DisplayPowerController2.java b/services/core/java/com/android/server/display/DisplayPowerController2.java
index 1652871963b9396a4518e9bcc2115d05c5e492d7..7d9c0182a6913d67422d003862103c7cdfa3701c 100644
--- a/services/core/java/com/android/server/display/DisplayPowerController2.java
+++ b/services/core/java/com/android/server/display/DisplayPowerController2.java
@@ -506,7 +506,6 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
mTag = "DisplayPowerController2[" + mDisplayId + "]";
mThermalBrightnessThrottlingDataId =
logicalDisplay.getDisplayInfoLocked().thermalBrightnessThrottlingDataId;
-
mDisplayDevice = mLogicalDisplay.getPrimaryDisplayDeviceLocked();
mUniqueDisplayId = logicalDisplay.getPrimaryDisplayDeviceLocked().getUniqueId();
mDisplayStatsId = mUniqueDisplayId.hashCode();
@@ -566,8 +565,8 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
modeChangeCallback::run, new BrightnessClamperController.DisplayDeviceData(
mUniqueDisplayId,
mThermalBrightnessThrottlingDataId,
- mDisplayDeviceConfig
- ), mContext);
+ logicalDisplay.getPowerThrottlingDataIdLocked(),
+ mDisplayDeviceConfig), mContext, flags);
// Seed the cached brightness
saveBrightnessInfo(getScreenBrightnessSetting());
mAutomaticBrightnessStrategy =
@@ -821,10 +820,8 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
.getDisplayDeviceInfoLocked().type == Display.TYPE_INTERNAL;
final String thermalBrightnessThrottlingDataId =
mLogicalDisplay.getDisplayInfoLocked().thermalBrightnessThrottlingDataId;
-
- mBrightnessClamperController.onDisplayChanged(
- new BrightnessClamperController.DisplayDeviceData(mUniqueDisplayId,
- mThermalBrightnessThrottlingDataId, config));
+ final String powerThrottlingDataId =
+ mLogicalDisplay.getPowerThrottlingDataIdLocked();
mHandler.postAtTime(() -> {
boolean changed = false;
@@ -858,6 +855,14 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
}
mIsDisplayInternal = isDisplayInternal;
+ // using local variables here, when mBrightnessThrottler is removed,
+ // mThermalBrightnessThrottlingDataId could be removed as well
+ // changed = true will be not needed - clampers are maintaining their state and
+ // will call updatePowerState if needed.
+ mBrightnessClamperController.onDisplayChanged(
+ new BrightnessClamperController.DisplayDeviceData(uniqueId,
+ thermalBrightnessThrottlingDataId, powerThrottlingDataId, config));
+
if (changed) {
updatePowerState();
}
diff --git a/services/core/java/com/android/server/display/LogicalDisplay.java b/services/core/java/com/android/server/display/LogicalDisplay.java
index bd82b81513df278f73a0c635748f022fd58b56fa..3d4209e0d6f343c06c38482644a11adf62cb8c4a 100644
--- a/services/core/java/com/android/server/display/LogicalDisplay.java
+++ b/services/core/java/com/android/server/display/LogicalDisplay.java
@@ -189,6 +189,11 @@ final class LogicalDisplay {
@Nullable
private SurfaceControl.RefreshRateRange mLayoutLimitedRefreshRate;
+ /**
+ * The ID of the power throttling data that should be used.
+ */
+ private String mPowerThrottlingDataId;
+
/**
* RefreshRateRange limitation for @Temperature.ThrottlingStatus
*/
@@ -205,6 +210,7 @@ final class LogicalDisplay {
mIsEnabled = true;
mIsInTransition = false;
mThermalBrightnessThrottlingDataId = DisplayDeviceConfig.DEFAULT_ID;
+ mPowerThrottlingDataId = DisplayDeviceConfig.DEFAULT_ID;
mBaseDisplayInfo.thermalBrightnessThrottlingDataId = mThermalBrightnessThrottlingDataId;
}
@@ -910,6 +916,25 @@ final class LogicalDisplay {
}
}
+ /**
+ * @param powerThrottlingDataId The ID of the brightness throttling data that this
+ * display should use.
+ */
+ public void setPowerThrottlingDataIdLocked(String powerThrottlingDataId) {
+ if (!Objects.equals(powerThrottlingDataId, mPowerThrottlingDataId)) {
+ mPowerThrottlingDataId = powerThrottlingDataId;
+ mDirty = true;
+ }
+ }
+
+ /**
+ * Returns powerThrottlingDataId which is the ID of the brightness
+ * throttling data that this display should use.
+ */
+ public String getPowerThrottlingDataIdLocked() {
+ return mPowerThrottlingDataId;
+ }
+
/**
* Sets the display of which this display is a follower, regarding brightness or other
* properties. If set to {@link Layout#NO_LEAD_DISPLAY}, this display does not follow any
@@ -976,6 +1001,7 @@ final class LogicalDisplay {
pw.println("mLeadDisplayId=" + mLeadDisplayId);
pw.println("mLayoutLimitedRefreshRate=" + mLayoutLimitedRefreshRate);
pw.println("mThermalRefreshRateThrottling=" + mThermalRefreshRateThrottling);
+ pw.println("mPowerThrottlingDataId=" + mPowerThrottlingDataId);
}
@Override
diff --git a/services/core/java/com/android/server/display/LogicalDisplayMapper.java b/services/core/java/com/android/server/display/LogicalDisplayMapper.java
index b3b16ade054664a4bfb222a3ad73bf4468c7c629..c55bc62f5ae6be7d5860ade9f3c06a01bc31f02b 100644
--- a/services/core/java/com/android/server/display/LogicalDisplayMapper.java
+++ b/services/core/java/com/android/server/display/LogicalDisplayMapper.java
@@ -1123,13 +1123,15 @@ class LogicalDisplayMapper implements DisplayDeviceRepository.Listener {
displayLayout.getRefreshRateThermalThrottlingMapId()
)
);
-
setEnabledLocked(newDisplay, displayLayout.isEnabled());
newDisplay.setThermalBrightnessThrottlingDataIdLocked(
displayLayout.getThermalBrightnessThrottlingMapId() == null
? DisplayDeviceConfig.DEFAULT_ID
: displayLayout.getThermalBrightnessThrottlingMapId());
-
+ newDisplay.setPowerThrottlingDataIdLocked(
+ displayLayout.getPowerThrottlingMapId() == null
+ ? DisplayDeviceConfig.DEFAULT_ID
+ : displayLayout.getPowerThrottlingMapId());
newDisplay.setDisplayGroupNameLocked(displayLayout.getDisplayGroupName());
}
}
diff --git a/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamper.java b/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamper.java
index 54a280fddb6cf547547a15a3648295f5826594dd..68f72d3b085a361e82a91c24fbf23cf153e63d97 100644
--- a/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamper.java
+++ b/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamper.java
@@ -52,7 +52,8 @@ abstract class BrightnessClamper<T> {
abstract void stop();
- enum Type {
- THERMAL
+ protected enum Type {
+ THERMAL,
+ POWER
}
}
diff --git a/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamperController.java b/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamperController.java
index 14637afe4f76d75f3c4338c8767a753822bbc160..787f786a97dadfd3b0eeab539497d893d46d543d 100644
--- a/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamperController.java
+++ b/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamperController.java
@@ -34,9 +34,12 @@ import android.util.Slog;
import com.android.internal.annotations.VisibleForTesting;
import com.android.server.display.DisplayBrightnessState;
import com.android.server.display.DisplayDeviceConfig;
+import com.android.server.display.DisplayDeviceConfig.PowerThrottlingConfigData;
+import com.android.server.display.DisplayDeviceConfig.PowerThrottlingData;
import com.android.server.display.DisplayDeviceConfig.ThermalBrightnessThrottlingData;
import com.android.server.display.brightness.BrightnessReason;
import com.android.server.display.feature.DeviceConfigParameterProvider;
+import com.android.server.display.feature.DisplayManagerFlags;
import java.io.PrintWriter;
import java.util.ArrayList;
@@ -48,11 +51,9 @@ import java.util.concurrent.Executor;
*/
public class BrightnessClamperController {
private static final String TAG = "BrightnessClamperController";
-
private final DeviceConfigParameterProvider mDeviceConfigParameterProvider;
private final Handler mHandler;
private final ClamperChangeListener mClamperChangeListenerExternal;
-
private final Executor mExecutor;
private final List<BrightnessClamper<? super DisplayDeviceData>> mClampers;
@@ -64,13 +65,15 @@ public class BrightnessClamperController {
private boolean mClamperApplied = false;
public BrightnessClamperController(Handler handler,
- ClamperChangeListener clamperChangeListener, DisplayDeviceData data, Context context) {
- this(new Injector(), handler, clamperChangeListener, data, context);
+ ClamperChangeListener clamperChangeListener, DisplayDeviceData data, Context context,
+ DisplayManagerFlags flags) {
+ this(new Injector(), handler, clamperChangeListener, data, context, flags);
}
@VisibleForTesting
BrightnessClamperController(Injector injector, Handler handler,
- ClamperChangeListener clamperChangeListener, DisplayDeviceData data, Context context) {
+ ClamperChangeListener clamperChangeListener, DisplayDeviceData data, Context context,
+ DisplayManagerFlags flags) {
mDeviceConfigParameterProvider = injector.getDeviceConfigParameterProvider();
mHandler = handler;
mClamperChangeListenerExternal = clamperChangeListener;
@@ -84,7 +87,7 @@ public class BrightnessClamperController {
}
};
- mClampers = injector.getClampers(handler, clamperChangeListenerInternal, data);
+ mClampers = injector.getClampers(handler, clamperChangeListenerInternal, data, flags);
mModifiers = injector.getModifiers(context);
mOnPropertiesChangedListener =
properties -> mClampers.forEach(BrightnessClamper::onDeviceConfigChanged);
@@ -144,6 +147,8 @@ public class BrightnessClamperController {
return BrightnessInfo.BRIGHTNESS_MAX_REASON_NONE;
} else if (mClamperType == Type.THERMAL) {
return BrightnessInfo.BRIGHTNESS_MAX_REASON_THERMAL;
+ } else if (mClamperType == Type.POWER) {
+ return BrightnessInfo.BRIGHTNESS_MAX_REASON_POWER_IC;
} else {
Slog.wtf(TAG, "BrightnessMaxReason not mapped for type=" + mClamperType);
return BrightnessInfo.BRIGHTNESS_MAX_REASON_NONE;
@@ -193,6 +198,7 @@ public class BrightnessClamperController {
mClamperType = clamperType;
mClamperChangeListenerExternal.onChanged();
}
+
}
private void start() {
@@ -219,10 +225,15 @@ public class BrightnessClamperController {
}
List<BrightnessClamper<? super DisplayDeviceData>> getClampers(Handler handler,
- ClamperChangeListener clamperChangeListener, DisplayDeviceData data) {
+ ClamperChangeListener clamperChangeListener, DisplayDeviceData data,
+ DisplayManagerFlags flags) {
List<BrightnessClamper<? super DisplayDeviceData>> clampers = new ArrayList<>();
clampers.add(
new BrightnessThermalClamper(handler, clamperChangeListener, data));
+ if (flags.isPowerThrottlingClamperEnabled()) {
+ clampers.add(new BrightnessPowerClamper(handler, clamperChangeListener,
+ data));
+ }
return clampers;
}
@@ -235,21 +246,26 @@ public class BrightnessClamperController {
}
/**
- * Data for clampers
+ * Config Data for clampers
*/
- public static class DisplayDeviceData implements BrightnessThermalClamper.ThermalData {
+ public static class DisplayDeviceData implements BrightnessThermalClamper.ThermalData,
+ BrightnessPowerClamper.PowerData {
@NonNull
private final String mUniqueDisplayId;
@NonNull
private final String mThermalThrottlingDataId;
+ @NonNull
+ private final String mPowerThrottlingDataId;
private final DisplayDeviceConfig mDisplayDeviceConfig;
public DisplayDeviceData(@NonNull String uniqueDisplayId,
@NonNull String thermalThrottlingDataId,
+ @NonNull String powerThrottlingDataId,
@NonNull DisplayDeviceConfig displayDeviceConfig) {
mUniqueDisplayId = uniqueDisplayId;
mThermalThrottlingDataId = thermalThrottlingDataId;
+ mPowerThrottlingDataId = powerThrottlingDataId;
mDisplayDeviceConfig = displayDeviceConfig;
}
@@ -272,5 +288,24 @@ public class BrightnessClamperController {
return mDisplayDeviceConfig.getThermalBrightnessThrottlingDataMapByThrottlingId().get(
mThermalThrottlingDataId);
}
+
+ @NonNull
+ @Override
+ public String getPowerThrottlingDataId() {
+ return mPowerThrottlingDataId;
+ }
+
+ @Nullable
+ @Override
+ public PowerThrottlingData getPowerThrottlingData() {
+ return mDisplayDeviceConfig.getPowerThrottlingDataMapByThrottlingId().get(
+ mPowerThrottlingDataId);
+ }
+
+ @Nullable
+ @Override
+ public PowerThrottlingConfigData getPowerThrottlingConfigData() {
+ return mDisplayDeviceConfig.getPowerThrottlingConfigData();
+ }
}
}
diff --git a/services/core/java/com/android/server/display/brightness/clamper/BrightnessPowerClamper.java b/services/core/java/com/android/server/display/brightness/clamper/BrightnessPowerClamper.java
new file mode 100644
index 0000000000000000000000000000000000000000..339b5896f3f72fd0cc4096ddf9c8679447eed83d
--- /dev/null
+++ b/services/core/java/com/android/server/display/brightness/clamper/BrightnessPowerClamper.java
@@ -0,0 +1,295 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.display.brightness.clamper;
+
+import static com.android.server.display.DisplayDeviceConfig.DEFAULT_ID;
+import static com.android.server.display.brightness.clamper.BrightnessClamperController.ClamperChangeListener;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.os.Handler;
+import android.os.PowerManager;
+import android.os.Temperature;
+import android.provider.DeviceConfigInterface;
+import android.util.Slog;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.server.display.DisplayDeviceConfig.PowerThrottlingConfigData;
+import com.android.server.display.DisplayDeviceConfig.PowerThrottlingData;
+import com.android.server.display.DisplayDeviceConfig.PowerThrottlingData.ThrottlingLevel;
+import com.android.server.display.feature.DeviceConfigParameterProvider;
+import com.android.server.display.utils.DeviceConfigParsingUtils;
+
+import java.io.PrintWriter;
+import java.util.List;
+import java.util.Map;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+
+class BrightnessPowerClamper extends
+ BrightnessClamper<BrightnessPowerClamper.PowerData> {
+
+ private static final String TAG = "BrightnessPowerClamper";
+ @NonNull
+ private final Injector mInjector;
+ @NonNull
+ private final DeviceConfigParameterProvider mConfigParameterProvider;
+ @NonNull
+ private final Handler mHandler;
+ @NonNull
+ private final ClamperChangeListener mChangeListener;
+ @Nullable
+ private PmicMonitor mPmicMonitor;
+ // data from DeviceConfig, for all displays, for all dataSets
+ // mapOf(uniqueDisplayId to mapOf(dataSetId to PowerThrottlingData))
+ @NonNull
+ private Map<String, Map<String, PowerThrottlingData>>
+ mPowerThrottlingDataOverride = Map.of();
+ // data from DisplayDeviceConfig, for particular display+dataSet
+ @Nullable
+ private PowerThrottlingData mPowerThrottlingDataFromDDC = null;
+ // Active data, if mPowerThrottlingDataOverride contains data for mUniqueDisplayId,
+ // mDataId, then use it, otherwise mPowerThrottlingDataFromDDC.
+ @Nullable
+ private PowerThrottlingData mPowerThrottlingDataActive = null;
+ @Nullable
+ private PowerThrottlingConfigData mPowerThrottlingConfigData = null;
+
+ private @Temperature.ThrottlingStatus int mCurrentThermalLevel = Temperature.THROTTLING_NONE;
+ private float mCurrentAvgPowerConsumed = 0;
+ @Nullable
+ private String mUniqueDisplayId = null;
+ @Nullable
+ private String mDataId = null;
+
+ private final BiFunction<String, String, ThrottlingLevel> mDataPointMapper = (key, value) -> {
+ try {
+ int status = DeviceConfigParsingUtils.parseThermalStatus(key);
+ float powerQuota = Float.parseFloat(value);
+ return new ThrottlingLevel(status, powerQuota);
+ } catch (IllegalArgumentException iae) {
+ return null;
+ }
+ };
+
+ private final Function<List<ThrottlingLevel>, PowerThrottlingData>
+ mDataSetMapper = PowerThrottlingData::create;
+
+
+ BrightnessPowerClamper(Handler handler, ClamperChangeListener listener,
+ PowerData powerData) {
+ this(new Injector(), handler, listener, powerData);
+ }
+
+ @VisibleForTesting
+ BrightnessPowerClamper(Injector injector, Handler handler, ClamperChangeListener listener,
+ PowerData powerData) {
+ mInjector = injector;
+ mConfigParameterProvider = injector.getDeviceConfigParameterProvider();
+ mHandler = handler;
+ mChangeListener = listener;
+
+ mHandler.post(() -> {
+ setDisplayData(powerData);
+ loadOverrideData();
+ start();
+ });
+
+ }
+
+ @Override
+ @NonNull
+ BrightnessClamper.Type getType() {
+ return Type.POWER;
+ }
+
+ @Override
+ void onDeviceConfigChanged() {
+ mHandler.post(() -> {
+ loadOverrideData();
+ recalculateActiveData();
+ });
+ }
+
+ @Override
+ void onDisplayChanged(PowerData data) {
+ mHandler.post(() -> {
+ setDisplayData(data);
+ recalculateActiveData();
+ });
+ }
+
+ @Override
+ void stop() {
+ if (mPmicMonitor != null) {
+ mPmicMonitor.shutdown();
+ }
+ }
+
+ /**
+ * Dumps the state of BrightnessPowerClamper.
+ */
+ public void dump(PrintWriter pw) {
+ pw.println("BrightnessPowerClamper:");
+ pw.println(" mCurrentAvgPowerConsumed=" + mCurrentAvgPowerConsumed);
+ pw.println(" mUniqueDisplayId=" + mUniqueDisplayId);
+ pw.println(" mCurrentThermalLevel=" + mCurrentThermalLevel);
+ pw.println(" mPowerThrottlingDataFromDDC=" + (mPowerThrottlingDataFromDDC == null ? "null"
+ : mPowerThrottlingDataFromDDC.toString()));
+ super.dump(pw);
+ }
+
+ private void recalculateActiveData() {
+ if (mUniqueDisplayId == null || mDataId == null) {
+ return;
+ }
+ mPowerThrottlingDataActive = mPowerThrottlingDataOverride
+ .getOrDefault(mUniqueDisplayId, Map.of()).getOrDefault(mDataId,
+ mPowerThrottlingDataFromDDC);
+ if (mPowerThrottlingDataActive != null) {
+ if (mPmicMonitor != null) {
+ mPmicMonitor.stop();
+ mPmicMonitor.start();
+ }
+ } else {
+ if (mPmicMonitor != null) {
+ mPmicMonitor.stop();
+ }
+ }
+ recalculateBrightnessCap();
+ }
+
+ private void loadOverrideData() {
+ String throttlingDataOverride = mConfigParameterProvider.getPowerThrottlingData();
+ mPowerThrottlingDataOverride = DeviceConfigParsingUtils.parseDeviceConfigMap(
+ throttlingDataOverride, mDataPointMapper, mDataSetMapper);
+ }
+
+ private void setDisplayData(@NonNull PowerData data) {
+ mUniqueDisplayId = data.getUniqueDisplayId();
+ mDataId = data.getPowerThrottlingDataId();
+ mPowerThrottlingDataFromDDC = data.getPowerThrottlingData();
+ if (mPowerThrottlingDataFromDDC == null && !DEFAULT_ID.equals(mDataId)) {
+ Slog.wtf(TAG,
+ "Power throttling data is missing for powerThrottlingDataId=" + mDataId);
+ }
+
+ mPowerThrottlingConfigData = data.getPowerThrottlingConfigData();
+ if (mPowerThrottlingConfigData == null) {
+ Slog.d(TAG,
+ "Power throttling data is missing for configuration data.");
+ }
+ }
+
+ private void recalculateBrightnessCap() {
+ boolean isActive = false;
+ float targetBrightnessCap = PowerManager.BRIGHTNESS_MAX;
+ float powerQuota = getPowerQuotaForThermalStatus(mCurrentThermalLevel);
+ if (mPowerThrottlingDataActive == null) {
+ return;
+ }
+ if (powerQuota > 0 && mCurrentAvgPowerConsumed > powerQuota) {
+ isActive = true;
+ // calculate new brightness Cap.
+ // Brightness has a linear relation to power-consumed.
+ targetBrightnessCap =
+ (powerQuota / mCurrentAvgPowerConsumed) * PowerManager.BRIGHTNESS_MAX;
+ // Cap to lowest allowed brightness on device.
+ targetBrightnessCap = Math.max(targetBrightnessCap,
+ mPowerThrottlingConfigData.brightnessLowestCapAllowed);
+ }
+
+ if (mBrightnessCap != targetBrightnessCap || mIsActive != isActive) {
+ mIsActive = isActive;
+ mBrightnessCap = targetBrightnessCap;
+ mChangeListener.onChanged();
+ }
+ }
+
+ private float getPowerQuotaForThermalStatus(@Temperature.ThrottlingStatus int thermalStatus) {
+ float powerQuota = 0f;
+ if (mPowerThrottlingDataActive != null) {
+ // Throttling levels are sorted by increasing severity
+ for (ThrottlingLevel level : mPowerThrottlingDataActive.throttlingLevels) {
+ if (level.thermalStatus <= thermalStatus) {
+ powerQuota = level.powerQuotaMilliWatts;
+ } else {
+ // Throttling levels that are greater than the current status are irrelevant
+ break;
+ }
+ }
+ }
+ return powerQuota;
+ }
+
+ private void recalculatePowerQuotaChange(float avgPowerConsumed, int thermalStatus) {
+ mHandler.post(() -> {
+ mCurrentThermalLevel = thermalStatus;
+ mCurrentAvgPowerConsumed = avgPowerConsumed;
+ recalculateBrightnessCap();
+ });
+ }
+
+ private void start() {
+ if (mPowerThrottlingConfigData == null) {
+ return;
+ }
+ PowerChangeListener listener = (powerConsumed, thermalStatus) -> {
+ recalculatePowerQuotaChange(powerConsumed, thermalStatus);
+ };
+ mPmicMonitor =
+ mInjector.getPmicMonitor(listener, mPowerThrottlingConfigData.pollingWindowMillis);
+ mPmicMonitor.start();
+ }
+
+ public interface PowerData {
+ @NonNull
+ String getUniqueDisplayId();
+
+ @NonNull
+ String getPowerThrottlingDataId();
+
+ @Nullable
+ PowerThrottlingData getPowerThrottlingData();
+
+ @Nullable
+ PowerThrottlingConfigData getPowerThrottlingConfigData();
+ }
+
+ /**
+ * Power change listener
+ */
+ @FunctionalInterface
+ public interface PowerChangeListener {
+ /**
+ * Notifies that power state changed from power controller.
+ */
+ void onChanged(float avgPowerConsumed, @Temperature.ThrottlingStatus int thermalStatus);
+ }
+
+ @VisibleForTesting
+ static class Injector {
+ PmicMonitor getPmicMonitor(PowerChangeListener listener, int pollingTime) {
+ return new PmicMonitor(listener, pollingTime);
+ }
+
+ DeviceConfigParameterProvider getDeviceConfigParameterProvider() {
+ return new DeviceConfigParameterProvider(DeviceConfigInterface.REAL);
+ }
+ }
+}
diff --git a/services/core/java/com/android/server/display/brightness/clamper/PmicMonitor.java b/services/core/java/com/android/server/display/brightness/clamper/PmicMonitor.java
new file mode 100644
index 0000000000000000000000000000000000000000..26784f2353ff892d92e0f1d07e465326383c5bbc
--- /dev/null
+++ b/services/core/java/com/android/server/display/brightness/clamper/PmicMonitor.java
@@ -0,0 +1,192 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.display.brightness.clamper;
+
+import static com.android.server.display.brightness.clamper.BrightnessPowerClamper.PowerChangeListener;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.content.Context;
+import android.hardware.power.stats.EnergyConsumer;
+import android.hardware.power.stats.EnergyConsumerResult;
+import android.hardware.power.stats.EnergyConsumerType;
+import android.os.IThermalService;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.Temperature;
+import android.power.PowerStatsInternal;
+import android.util.IntArray;
+import android.util.Slog;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.server.LocalServices;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Monitors the display consumed power and helps make informed decision,
+ * regarding overconsumption.
+ */
+public class PmicMonitor {
+ private static final String TAG = "PmicMonitor";
+
+ // The executor to periodically monitor the display power.
+ private final ScheduledExecutorService mExecutor;
+ @NonNull
+ private final PowerChangeListener mPowerChangeListener;
+ private final long mPowerMonitorPeriodConfigSecs;
+ private final PowerStatsInternal mPowerStatsInternal;
+ @VisibleForTesting final IThermalService mThermalService;
+ private ScheduledFuture<?> mPmicMonitorFuture;
+ private float mLastEnergyConsumed = 0;
+ private float mCurrentAvgPower = 0;
+ private Temperature mCurrentTemperature;
+ private long mCurrentTimestampMillis = 0;
+
+ PmicMonitor(PowerChangeListener listener, int powerMonitorPeriodConfigSecs) {
+ mPowerChangeListener = listener;
+ mPowerStatsInternal = LocalServices.getService(PowerStatsInternal.class);
+ mThermalService = IThermalService.Stub.asInterface(
+ ServiceManager.getService(Context.THERMAL_SERVICE));
+ // start a periodic worker thread.
+ mExecutor = Executors.newSingleThreadScheduledExecutor();
+ mPowerMonitorPeriodConfigSecs = (long) powerMonitorPeriodConfigSecs;
+ }
+
+ @Nullable
+ private Temperature getDisplayTemperature() {
+ Temperature retTemperature = null;
+ try {
+ Temperature[] temperatures;
+ // TODO b/279114539 Try DISPLAY first and then fallback to SKIN.
+ temperatures = mThermalService.getCurrentTemperaturesWithType(
+ Temperature.TYPE_SKIN);
+ if (temperatures.length > 1) {
+ Slog.w(TAG, "Multiple skin temperatures not allowed!");
+ }
+ if (temperatures.length > 0) {
+ retTemperature = temperatures[0];
+ }
+ } catch (RemoteException e) {
+ Slog.w(TAG, "getDisplayTemperature failed" + e);
+ }
+ return retTemperature;
+ }
+
+ private void capturePeriodicDisplayPower() {
+ final EnergyConsumer[] energyConsumers = mPowerStatsInternal.getEnergyConsumerInfo();
+ if (energyConsumers == null || energyConsumers.length == 0) {
+ return;
+ }
+ final IntArray energyConsumerIds = new IntArray();
+ for (int i = 0; i < energyConsumers.length; i++) {
+ if (energyConsumers[i].type == EnergyConsumerType.DISPLAY) {
+ energyConsumerIds.add(energyConsumers[i].id);
+ }
+ }
+
+ if (energyConsumerIds.size() == 0) {
+ Slog.w(TAG, "DISPLAY energyConsumerIds size is null");
+ return;
+ }
+ CompletableFuture<EnergyConsumerResult[]> futureECRs =
+ mPowerStatsInternal.getEnergyConsumedAsync(energyConsumerIds.toArray());
+ if (futureECRs == null) {
+ Slog.w(TAG, "Energy consumers results are null");
+ return;
+ }
+
+ EnergyConsumerResult[] displayResults;
+ try {
+ displayResults = futureECRs.get();
+ } catch (InterruptedException e) {
+ Slog.w(TAG, "timeout or interrupt reading getEnergyConsumedAsync failed", e);
+ displayResults = null;
+ } catch (ExecutionException e) {
+ Slog.wtf(TAG, "exception reading getEnergyConsumedAsync: ", e);
+ displayResults = null;
+ }
+
+ if (displayResults == null || displayResults.length == 0) {
+ Slog.w(TAG, "displayResults are null");
+ return;
+ }
+ // Support for only 1 display rail.
+ float energyConsumed = (displayResults[0].energyUWs - mLastEnergyConsumed);
+ float timeIntervalSeconds =
+ (displayResults[0].timestampMs - mCurrentTimestampMillis) / 1000.f;
+ // energy consumed is received in microwatts-seconds.
+ float currentPower = energyConsumed / timeIntervalSeconds;
+ // convert power received in microwatts to milliwatts.
+ currentPower = currentPower / 1000.f;
+
+ // capture thermal state.
+ Temperature displayTemperature = getDisplayTemperature();
+ mCurrentAvgPower = currentPower;
+ mCurrentTemperature = displayTemperature;
+ mLastEnergyConsumed = displayResults[0].energyUWs;
+ mCurrentTimestampMillis = displayResults[0].timestampMs;
+ if (mCurrentTemperature != null) {
+ mPowerChangeListener.onChanged(mCurrentAvgPower, mCurrentTemperature.getStatus());
+ }
+ }
+
+ /**
+ * Start polling the power IC.
+ */
+ public void start() {
+ if (mPowerStatsInternal == null) {
+ Slog.w(TAG, "Power stats service not found for monitoring.");
+ return;
+ }
+ if (mThermalService == null) {
+ Slog.w(TAG, "Thermal service not found.");
+ return;
+ }
+ if (mPmicMonitorFuture == null) {
+ mPmicMonitorFuture = mExecutor.scheduleAtFixedRate(
+ this::capturePeriodicDisplayPower,
+ mPowerMonitorPeriodConfigSecs,
+ mPowerMonitorPeriodConfigSecs,
+ TimeUnit.SECONDS);
+ } else {
+ Slog.e(TAG, "already scheduled, stop() called before start.");
+ }
+ }
+
+ /**
+ * Stop polling to power IC.
+ */
+ public void stop() {
+ if (mPmicMonitorFuture != null) {
+ mPmicMonitorFuture.cancel(true);
+ mPmicMonitorFuture = null;
+ }
+ }
+
+ /**
+ * Shutdown power IC service and worker thread.
+ */
+ public void shutdown() {
+ mExecutor.shutdownNow();
+ }
+}
diff --git a/services/core/java/com/android/server/display/feature/DeviceConfigParameterProvider.java b/services/core/java/com/android/server/display/feature/DeviceConfigParameterProvider.java
index 23ffe5948da81f5fd830ff06ba4ff18d5a99d0e7..465584c3d90ccd241906ef31c2039a2432bf577a 100644
--- a/services/core/java/com/android/server/display/feature/DeviceConfigParameterProvider.java
+++ b/services/core/java/com/android/server/display/feature/DeviceConfigParameterProvider.java
@@ -77,6 +77,12 @@ public class DeviceConfigParameterProvider {
// Test parameters
// usage e.g.: adb shell device_config put display_manager refresh_rate_in_hbm_sunlight 90
+ // allows to customize power throttling data
+ public String getPowerThrottlingData() {
+ return mDeviceConfig.getString(DeviceConfig.NAMESPACE_DISPLAY_MANAGER,
+ DisplayManager.DeviceConfig.KEY_POWER_THROTTLING_DATA, null);
+ }
+
// allows to customize brightness throttling data
public String getBrightnessThrottlingData() {
return mDeviceConfig.getString(DeviceConfig.NAMESPACE_DISPLAY_MANAGER,
diff --git a/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java b/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
index 7050c5a4168f8e12375b7887991e2a36cdb3a891..fae8383bb62ef9189cd9ccd79826a8491772e7ed 100644
--- a/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
+++ b/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
@@ -67,20 +67,31 @@ public class DisplayManagerFlags {
Flags.FLAG_BACK_UP_SMOOTH_DISPLAY_AND_FORCE_PEAK_REFRESH_RATE,
Flags::backUpSmoothDisplayAndForcePeakRefreshRate);
+ private final FlagState mPowerThrottlingClamperFlagState = new FlagState(
+ Flags.FLAG_ENABLE_POWER_THROTTLING_CLAMPER,
+ Flags::enablePowerThrottlingClamper);
+
/** Returns whether connected display management is enabled or not. */
public boolean isConnectedDisplayManagementEnabled() {
return mConnectedDisplayManagementFlagState.isEnabled();
}
- /** Returns whether hdr clamper is enabled on not*/
+ /** Returns whether NBM Controller is enabled or not. */
public boolean isNbmControllerEnabled() {
return mNbmControllerFlagState.isEnabled();
}
+ /** Returns whether hdr clamper is enabled on not. */
public boolean isHdrClamperEnabled() {
return mHdrClamperFlagState.isEnabled();
}
+ /** Returns whether power throttling clamper is enabled on not. */
+ public boolean isPowerThrottlingClamperEnabled() {
+ return mPowerThrottlingClamperFlagState.isEnabled();
+ }
+
+
/**
* Returns whether adaptive tone improvements are enabled
*/
diff --git a/services/core/java/com/android/server/display/feature/display_flags.aconfig b/services/core/java/com/android/server/display/feature/display_flags.aconfig
index a85e10dcfe2eba46c1e303589b04fad57e81b338..9ab9c9def61bc662eca10061ec09cc24168a055a 100644
--- a/services/core/java/com/android/server/display/feature/display_flags.aconfig
+++ b/services/core/java/com/android/server/display/feature/display_flags.aconfig
@@ -26,6 +26,14 @@ flag {
is_fixed_read_only: true
}
+flag {
+ name: "enable_power_throttling_clamper"
+ namespace: "display_manager"
+ description: "Feature flag for Power Throttling Clamper"
+ bug: "294777007"
+ is_fixed_read_only: true
+}
+
flag {
name: "enable_adaptive_tone_improvements_1"
namespace: "display_manager"
diff --git a/services/core/java/com/android/server/display/layout/Layout.java b/services/core/java/com/android/server/display/layout/Layout.java
index d9ec3de46b0e4791b9fef229461d78086991fafc..40cb3303adda7fc22d95bad4baaa91f50a69f508 100644
--- a/services/core/java/com/android/server/display/layout/Layout.java
+++ b/services/core/java/com/android/server/display/layout/Layout.java
@@ -80,7 +80,8 @@ public class Layout {
createDisplayLocked(address, /* isDefault= */ true, /* isEnabled= */ true,
DEFAULT_DISPLAY_GROUP_NAME, idProducer, POSITION_UNKNOWN,
/* leadDisplayAddress= */ null, /* brightnessThrottlingMapId= */ null,
- /* refreshRateZoneId= */ null, /* refreshRateThermalThrottlingMapId= */ null);
+ /* refreshRateZoneId= */ null, /* refreshRateThermalThrottlingMapId= */ null,
+ /* powerThrottlingMapId= */ null);
}
/**
@@ -97,6 +98,7 @@ public class Layout {
* @param refreshRateZoneId Layout limited refresh rate zone name.
* @param refreshRateThermalThrottlingMapId Name of which refresh rate throttling
* policy should be used.
+ * @param powerThrottlingMapId Name of which power throttling policy should be used.
*
* @exception IllegalArgumentException When a default display owns a display group other than
* DEFAULT_DISPLAY_GROUP.
@@ -106,7 +108,8 @@ public class Layout {
String displayGroupName, DisplayIdProducer idProducer, int position,
@Nullable DisplayAddress leadDisplayAddress, String brightnessThrottlingMapId,
@Nullable String refreshRateZoneId,
- @Nullable String refreshRateThermalThrottlingMapId) {
+ @Nullable String refreshRateThermalThrottlingMapId,
+ @Nullable String powerThrottlingMapId) {
if (contains(address)) {
Slog.w(TAG, "Attempting to add second definition for display-device: " + address);
return;
@@ -139,7 +142,7 @@ public class Layout {
final Display display = new Display(address, logicalDisplayId, isEnabled, displayGroupName,
brightnessThrottlingMapId, position, leadDisplayAddress, refreshRateZoneId,
- refreshRateThermalThrottlingMapId);
+ refreshRateThermalThrottlingMapId, powerThrottlingMapId);
mDisplays.add(display);
}
@@ -311,6 +314,9 @@ public class Layout {
@Nullable
private final String mThermalRefreshRateThrottlingMapId;
+ @Nullable
+ private final String mPowerThrottlingMapId;
+
// The ID of the lead display that this display will follow in a layout. -1 means no lead.
// This is determined using {@code mLeadDisplayAddress}.
private int mLeadDisplayId;
@@ -318,7 +324,8 @@ public class Layout {
private Display(@NonNull DisplayAddress address, int logicalDisplayId, boolean isEnabled,
@NonNull String displayGroupName, String brightnessThrottlingMapId, int position,
@Nullable DisplayAddress leadDisplayAddress, @Nullable String refreshRateZoneId,
- @Nullable String refreshRateThermalThrottlingMapId) {
+ @Nullable String refreshRateThermalThrottlingMapId,
+ @Nullable String powerThrottlingMapId) {
mAddress = address;
mLogicalDisplayId = logicalDisplayId;
mIsEnabled = isEnabled;
@@ -328,6 +335,7 @@ public class Layout {
mLeadDisplayAddress = leadDisplayAddress;
mRefreshRateZoneId = refreshRateZoneId;
mThermalRefreshRateThrottlingMapId = refreshRateThermalThrottlingMapId;
+ mPowerThrottlingMapId = powerThrottlingMapId;
mLeadDisplayId = NO_LEAD_DISPLAY;
}
@@ -344,6 +352,7 @@ public class Layout {
+ ", mLeadDisplayId: " + mLeadDisplayId
+ ", mLeadDisplayAddress: " + mLeadDisplayAddress
+ ", mThermalRefreshRateThrottlingMapId: " + mThermalRefreshRateThrottlingMapId
+ + ", mPowerThrottlingMapId: " + mPowerThrottlingMapId
+ "}";
}
@@ -366,7 +375,9 @@ public class Layout {
&& this.mLeadDisplayId == otherDisplay.mLeadDisplayId
&& Objects.equals(mLeadDisplayAddress, otherDisplay.mLeadDisplayAddress)
&& Objects.equals(mThermalRefreshRateThrottlingMapId,
- otherDisplay.mThermalRefreshRateThrottlingMapId);
+ otherDisplay.mThermalRefreshRateThrottlingMapId)
+ && Objects.equals(mPowerThrottlingMapId,
+ otherDisplay.mPowerThrottlingMapId);
}
@Override
@@ -382,6 +393,7 @@ public class Layout {
result = 31 * result + mLeadDisplayId;
result = 31 * result + Objects.hashCode(mLeadDisplayAddress);
result = 31 * result + Objects.hashCode(mThermalRefreshRateThrottlingMapId);
+ result = 31 * result + Objects.hashCode(mPowerThrottlingMapId);
return result;
}
@@ -441,6 +453,15 @@ public class Layout {
return mThermalRefreshRateThrottlingMapId;
}
+ /**
+ * Gets the id of the power throttling map that should be used.
+ * @return The ID of the power throttling map that this display should use,
+ * null if unspecified, will fall back to default.
+ */
+ public String getPowerThrottlingMapId() {
+ return mPowerThrottlingMapId;
+ }
+
private void setLeadDisplayId(int id) {
mLeadDisplayId = id;
}
diff --git a/services/tests/displayservicetests/src/com/android/server/display/DeviceStateToLayoutMapTest.java b/services/tests/displayservicetests/src/com/android/server/display/DeviceStateToLayoutMapTest.java
index 4b124caca7d6cb9bd0612b9a5d0d6aa15c16ab04..8cc3408ad79b285acb0386d8c9c83bfaada31479 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/DeviceStateToLayoutMapTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/DeviceStateToLayoutMapTest.java
@@ -99,6 +99,14 @@ public class DeviceStateToLayoutMapTest {
assertEquals("concurrent2", configLayout.getAt(1).getThermalBrightnessThrottlingMapId());
}
+ @Test
+ public void testPowerThrottlingMapId() {
+ Layout configLayout = mDeviceStateToLayoutMap.get(5);
+
+ assertEquals("concurrent1", configLayout.getAt(0).getPowerThrottlingMapId());
+ assertEquals("concurrent2", configLayout.getAt(1).getPowerThrottlingMapId());
+ }
+
@Test
public void testRearDisplayLayout() {
Layout configLayout = mDeviceStateToLayoutMap.get(2);
@@ -133,13 +141,15 @@ public class DeviceStateToLayoutMapTest {
mDisplayIdProducerMock, Layout.Display.POSITION_FRONT,
/* leadDisplayAddress= */ null, /* brightnessThrottlingMapId= */ "brightness1",
/* refreshRateZoneId= */ "zone1",
- /* refreshRateThermalThrottlingMapId= */ "rr1");
+ /* refreshRateThermalThrottlingMapId= */ "rr1",
+ /* powerThrottlingMapId= */ "power1");
testLayout.createDisplayLocked(DisplayAddress.fromPhysicalDisplayId(678L),
/* isDefault= */ false, /* isEnabled= */ false, /* displayGroupName= */ "group1",
mDisplayIdProducerMock, Layout.Display.POSITION_REAR,
/* leadDisplayAddress= */ null, /* brightnessThrottlingMapId= */ "brightness2",
/* refreshRateZoneId= */ "zone2",
- /* refreshRateThermalThrottlingMapId= */ "rr2");
+ /* refreshRateThermalThrottlingMapId= */ "rr2",
+ /* powerThrottlingMapId= */ "power2");
testLayout.postProcessLocked();
assertEquals(testLayout, configLayout);
@@ -200,7 +210,8 @@ public class DeviceStateToLayoutMapTest {
mDisplayIdProducerMock, Layout.Display.POSITION_FRONT,
DisplayAddress.fromPhysicalDisplayId(123L),
/* brightnessThrottlingMapId= */ null, /* refreshRateZoneId= */ null,
- /* refreshRateThermalThrottlingMapId= */ null));
+ /* refreshRateThermalThrottlingMapId= */ null,
+ /* powerThrottlingMapId= */ null));
}
@Test
@@ -215,7 +226,8 @@ public class DeviceStateToLayoutMapTest {
mDisplayIdProducerMock, Layout.Display.POSITION_FRONT,
DisplayAddress.fromPhysicalDisplayId(987L),
/* brightnessThrottlingMapId= */ null, /* refreshRateZoneId= */ null,
- /* refreshRateThermalThrottlingMapId= */ null));
+ /* refreshRateThermalThrottlingMapId= */ null,
+ /* powerThrottlingMapId= */ null));
}
@Test
@@ -271,7 +283,8 @@ public class DeviceStateToLayoutMapTest {
enabled, group, mDisplayIdProducerMock, Layout.Display.POSITION_UNKNOWN,
leadDisplayAddress, /* brightnessThrottlingMapId= */ null,
/* refreshRateZoneId= */ null,
- /* refreshRateThermalThrottlingMapId= */ null);
+ /* refreshRateThermalThrottlingMapId= */ null,
+ /* powerThrottlingMapId= */ null);
}
private void setupDeviceStateToLayoutMap() throws IOException {
@@ -327,7 +340,6 @@ public class DeviceStateToLayoutMapTest {
+ "<brightnessThrottlingMapId>concurrent2</brightnessThrottlingMapId>\n"
+ "</display>\n"
+ "</layout>\n"
-
+ "<layout>\n"
+ "<state>3</state> \n"
+ "<display enabled=\"true\" defaultDisplay=\"true\" "
@@ -338,7 +350,6 @@ public class DeviceStateToLayoutMapTest {
+ "<address>678</address>\n"
+ "</display>\n"
+ "</layout>\n"
-
+ "<layout>\n"
+ "<state>4</state> \n"
+ "<display enabled=\"true\" defaultDisplay=\"true\" >\n"
@@ -351,6 +362,20 @@ public class DeviceStateToLayoutMapTest {
+ "<address>678</address>\n"
+ "</display>\n"
+ "</layout>\n"
+ + "<layout>\n"
+ + "<state>5</state> \n"
+ + "<display enabled=\"true\" defaultDisplay=\"true\">\n"
+ + "<address>345</address>\n"
+ + "<position>front</position>\n"
+ + "<powerThrottlingMapId>concurrent1</powerThrottlingMapId>\n"
+ + "</display>\n"
+ + "<display enabled=\"true\">\n"
+ + "<address>678</address>\n"
+ + "<position>rear</position>\n"
+ + "<powerThrottlingMapId>concurrent2</powerThrottlingMapId>\n"
+ + "</display>\n"
+ + "</layout>\n"
+
+ "<layout>\n"
+ "<state>99</state> \n"
+ "<display enabled=\"true\" defaultDisplay=\"true\" "
@@ -361,6 +386,7 @@ public class DeviceStateToLayoutMapTest {
+ "<refreshRateThermalThrottlingMapId>"
+ "rr1"
+ "</refreshRateThermalThrottlingMapId>"
+ + "<powerThrottlingMapId>power1</powerThrottlingMapId>\n"
+ "</display>\n"
+ "<display enabled=\"false\" displayGroup=\"group1\" "
+ "refreshRateZoneId=\"zone2\">\n"
@@ -370,6 +396,7 @@ public class DeviceStateToLayoutMapTest {
+ "<refreshRateThermalThrottlingMapId>"
+ "rr2"
+ "</refreshRateThermalThrottlingMapId>"
+ + "<powerThrottlingMapId>power2</powerThrottlingMapId>\n"
+ "</display>\n"
+ "</layout>\n"
+ "</layouts>\n";
diff --git a/services/tests/displayservicetests/src/com/android/server/display/LogicalDisplayMapperTest.java b/services/tests/displayservicetests/src/com/android/server/display/LogicalDisplayMapperTest.java
index 065dd1f1f743da751f8ffcf8f28158cc44ee8221..8b13018fc14bebbb112c6af18332d2c681f28973 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/LogicalDisplayMapperTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/LogicalDisplayMapperTest.java
@@ -720,13 +720,15 @@ public class LogicalDisplayMapperTest {
mIdProducer, POSITION_UNKNOWN,
/* leadDisplayAddress= */ null,
/* brightnessThrottlingMapId= */ "concurrent",
- /* refreshRateZoneId= */ null, /* refreshRateThermalThrottlingMapId= */ null);
+ /* refreshRateZoneId= */ null, /* refreshRateThermalThrottlingMapId= */ null,
+ /* powerThrottlingMapId= */ "concurrent");
layout.createDisplayLocked(device2.getDisplayDeviceInfoLocked().address,
/* isDefault= */ false, /* isEnabled= */ true, /* displayGroup= */ null,
mIdProducer, POSITION_UNKNOWN,
/* leadDisplayAddress= */ null,
/* brightnessThrottlingMapId= */ "concurrent",
- /* refreshRateZoneId= */ null, /* refreshRateThermalThrottlingMapId= */ null);
+ /* refreshRateZoneId= */ null, /* refreshRateThermalThrottlingMapId= */ null,
+ /* powerThrottlingMapId= */ "concurrent");
when(mDeviceStateToLayoutMapSpy.get(0)).thenReturn(layout);
layout = new Layout();
@@ -927,7 +929,7 @@ public class LogicalDisplayMapperTest {
/* isDefault= */ false, /* isEnabled= */ true, /* displayGroupName= */ null,
mIdProducer, POSITION_REAR, /* leadDisplayAddress= */ null,
/* brightnessThrottlingMapId= */ null, /* refreshRateZoneId= */ null,
- /* refreshRateThermalThrottlingMapId= */null);
+ /* refreshRateThermalThrottlingMapId= */null, /* powerThrottlingMapId= */null);
when(mDeviceStateToLayoutMapSpy.get(0)).thenReturn(layout);
when(mDeviceStateToLayoutMapSpy.size()).thenReturn(1);
@@ -986,7 +988,7 @@ public class LogicalDisplayMapperTest {
layout.createDisplayLocked(address, /* isDefault= */ false, enabled, group, mIdProducer,
Layout.Display.POSITION_UNKNOWN, /* leadDisplayAddress= */ null,
/* brightnessThrottlingMapId= */ null, /* refreshRateZoneId= */ null,
- /* refreshRateThermalThrottlingMapId= */ null);
+ /* refreshRateThermalThrottlingMapId= */ null, /* powerThrottlingMapId= */ null);
}
private void advanceTime(long timeMs) {
diff --git a/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessClamperControllerTest.java b/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessClamperControllerTest.java
index 22d26224c83f16ad055ff35fbded874fddaca5ba..c0e0df98213f9fae49cb1ca2f67ec5fc321c1c95 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessClamperControllerTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessClamperControllerTest.java
@@ -35,6 +35,7 @@ import androidx.test.filters.SmallTest;
import com.android.server.display.DisplayBrightnessState;
import com.android.server.display.brightness.BrightnessReason;
import com.android.server.display.feature.DeviceConfigParameterProvider;
+import com.android.server.display.feature.DisplayManagerFlags;
import com.android.server.testutils.TestHandler;
import org.junit.Before;
@@ -63,12 +64,13 @@ public class BrightnessClamperControllerTest {
@Mock
private BrightnessClamper<BrightnessClamperController.DisplayDeviceData> mMockClamper;
@Mock
+ private DisplayManagerFlags mFlags;
+ @Mock
private BrightnessModifier mMockModifier;
@Mock
private DisplayManagerInternal.DisplayPowerRequest mMockRequest;
@Mock
private DeviceConfig.Properties mMockProperties;
-
private BrightnessClamperController mClamperController;
private TestInjector mTestInjector;
@@ -219,7 +221,7 @@ public class BrightnessClamperControllerTest {
private BrightnessClamperController createBrightnessClamperController() {
return new BrightnessClamperController(mTestInjector, mTestHandler, mMockExternalListener,
- mMockDisplayDeviceData, mMockContext);
+ mMockDisplayDeviceData, mMockContext, mFlags);
}
private class TestInjector extends BrightnessClamperController.Injector {
@@ -247,7 +249,8 @@ public class BrightnessClamperControllerTest {
List<BrightnessClamper<? super BrightnessClamperController.DisplayDeviceData>> getClampers(
Handler handler,
BrightnessClamperController.ClamperChangeListener clamperChangeListener,
- BrightnessClamperController.DisplayDeviceData data) {
+ BrightnessClamperController.DisplayDeviceData data,
+ DisplayManagerFlags flags) {
mCapturedChangeListener = clamperChangeListener;
return mClampers;
}
diff --git a/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessPowerClamperTest.java b/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessPowerClamperTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..b3f33ad858fe14e9a59e60a513015e55440c0bd4
--- /dev/null
+++ b/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessPowerClamperTest.java
@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.display.brightness.clamper;
+
+import static com.android.server.display.brightness.clamper.BrightnessPowerClamper.PowerChangeListener;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+
+import android.os.PowerManager;
+import android.os.RemoteException;
+import android.os.Temperature;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.android.server.display.DisplayDeviceConfig;
+import com.android.server.display.DisplayDeviceConfig.PowerThrottlingConfigData;
+import com.android.server.display.DisplayDeviceConfig.PowerThrottlingData;
+import com.android.server.display.DisplayDeviceConfig.PowerThrottlingData.ThrottlingLevel;
+import com.android.server.display.feature.DeviceConfigParameterProvider;
+import com.android.server.testutils.FakeDeviceConfigInterface;
+import com.android.server.testutils.TestHandler;
+
+import junitparams.JUnitParamsRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.List;
+
+@RunWith(JUnitParamsRunner.class)
+public class BrightnessPowerClamperTest {
+ private static final String TAG = "BrightnessPowerClamperTest";
+ private static final float FLOAT_TOLERANCE = 0.001f;
+
+ private static final String DISPLAY_ID = "displayId";
+ @Mock
+ private BrightnessClamperController.ClamperChangeListener mMockClamperChangeListener;
+ private TestPmicMonitor mPmicMonitor;
+ private final FakeDeviceConfigInterface mFakeDeviceConfigInterface =
+ new FakeDeviceConfigInterface();
+ private final TestHandler mTestHandler = new TestHandler(null);
+ private BrightnessPowerClamper mClamper;
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+ mClamper = new BrightnessPowerClamper(new TestInjector(), mTestHandler,
+ mMockClamperChangeListener, new TestPowerData());
+ mTestHandler.flush();
+ }
+
+ @Test
+ public void testTypeIsPower() {
+ assertEquals(BrightnessClamper.Type.POWER, mClamper.getType());
+ }
+
+ @Test
+ public void testNoThrottlingData() {
+ assertFalse(mClamper.isActive());
+ assertEquals(PowerManager.BRIGHTNESS_MAX, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+ }
+
+ @Test
+ public void testPowerThrottlingNoOngoingAnimation() throws RemoteException {
+ mPmicMonitor.setThermalStatus(Temperature.THROTTLING_SEVERE);
+ mTestHandler.flush();
+ assertFalse(mClamper.isActive());
+ assertEquals(PowerManager.BRIGHTNESS_MAX, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+
+ // update a new device config for power-throttling.
+ mClamper.onDisplayChanged(new TestPowerData(
+ List.of(new ThrottlingLevel(PowerManager.THERMAL_STATUS_SEVERE, 100f))));
+
+ mPmicMonitor.setAvgPowerConsumed(200f);
+ float expectedBrightness = 0.5f;
+ expectedBrightness = expectedBrightness * PowerManager.BRIGHTNESS_MAX;
+
+ mTestHandler.flush();
+ // Assume current brightness as max, as there is no throttling.
+ assertEquals(expectedBrightness, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+ mPmicMonitor.setThermalStatus(Temperature.THROTTLING_CRITICAL);
+ // update a new device config for power-throttling.
+ mClamper.onDisplayChanged(new TestPowerData(
+ List.of(new ThrottlingLevel(PowerManager.THERMAL_STATUS_CRITICAL, 50f))));
+
+ mPmicMonitor.setAvgPowerConsumed(100f);
+ expectedBrightness = 0.5f * PowerManager.BRIGHTNESS_MAX;
+ mTestHandler.flush();
+ assertEquals(expectedBrightness, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+ }
+
+ @Test
+ public void testPowerThrottlingWithOngoingAnimation() throws RemoteException {
+ mPmicMonitor.setThermalStatus(Temperature.THROTTLING_SEVERE);
+ mTestHandler.flush();
+ assertEquals(PowerManager.BRIGHTNESS_MAX, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+
+ // update a new device config for power-throttling.
+ mClamper.onDisplayChanged(new TestPowerData(
+ List.of(new ThrottlingLevel(PowerManager.THERMAL_STATUS_SEVERE, 100f))));
+
+ mPmicMonitor.setAvgPowerConsumed(200f);
+ float expectedBrightness = 0.5f;
+ expectedBrightness = expectedBrightness * PowerManager.BRIGHTNESS_MAX;
+
+ mTestHandler.flush();
+ // Assume current brightness as max, as there is no throttling.
+ assertEquals(expectedBrightness, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+ mPmicMonitor.setThermalStatus(Temperature.THROTTLING_CRITICAL);
+ // update a new device config for power-throttling.
+ mClamper.onDisplayChanged(new TestPowerData(
+ List.of(new ThrottlingLevel(PowerManager.THERMAL_STATUS_CRITICAL, 50f))));
+
+ mPmicMonitor.setAvgPowerConsumed(100f);
+ expectedBrightness = 0.5f * PowerManager.BRIGHTNESS_MAX;
+ mTestHandler.flush();
+ assertEquals(expectedBrightness, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+ }
+
+ @Test
+ public void testPowerThrottlingRemoveBrightnessCap() throws RemoteException {
+ mPmicMonitor.setThermalStatus(Temperature.THROTTLING_LIGHT);
+ mTestHandler.flush();
+ assertFalse(mClamper.isActive());
+ assertEquals(PowerManager.BRIGHTNESS_MAX, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+
+ // update a new device config for power-throttling.
+ mClamper.onDisplayChanged(new TestPowerData(
+ List.of(new ThrottlingLevel(PowerManager.THERMAL_STATUS_LIGHT, 100f))));
+
+ mPmicMonitor.setAvgPowerConsumed(200f);
+ float expectedBrightness = 0.5f;
+ expectedBrightness = expectedBrightness * PowerManager.BRIGHTNESS_MAX;
+
+ mTestHandler.flush();
+
+ assertEquals(expectedBrightness, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+ mPmicMonitor.setThermalStatus(Temperature.THROTTLING_NONE);
+
+ mPmicMonitor.setAvgPowerConsumed(100f);
+ // No cap applied for Temperature.THROTTLING_NONE
+ expectedBrightness = PowerManager.BRIGHTNESS_MAX;
+ mTestHandler.flush();
+
+ // clamper should not be active anymore.
+ assertFalse(mClamper.isActive());
+ // Assume current brightness as max, as there is no throttling.
+ assertEquals(expectedBrightness, mClamper.getBrightnessCap(), FLOAT_TOLERANCE);
+ }
+
+
+ private static class TestPmicMonitor extends PmicMonitor {
+ private Temperature mCurrentTemperature;
+ private final PowerChangeListener mListener;
+ TestPmicMonitor(PowerChangeListener listener, int pollingTime) {
+ super(listener, pollingTime);
+ mListener = listener;
+ }
+ public void setAvgPowerConsumed(float power) {
+ int status = mCurrentTemperature.getStatus();
+ mListener.onChanged(power, status);
+ }
+ public void setThermalStatus(@Temperature.ThrottlingStatus int status) {
+ mCurrentTemperature = new Temperature(100, Temperature.TYPE_SKIN, "test_temp", status);
+ }
+ }
+
+ private class TestInjector extends BrightnessPowerClamper.Injector {
+ @Override
+ TestPmicMonitor getPmicMonitor(PowerChangeListener listener,
+ int pollingTime) {
+ mPmicMonitor = new TestPmicMonitor(listener, pollingTime);
+ return mPmicMonitor;
+ }
+
+ @Override
+ DeviceConfigParameterProvider getDeviceConfigParameterProvider() {
+ return new DeviceConfigParameterProvider(mFakeDeviceConfigInterface);
+ }
+ }
+
+ private static class TestPowerData implements BrightnessPowerClamper.PowerData {
+
+ private final String mUniqueDisplayId;
+ private final String mDataId;
+ private final PowerThrottlingData mData;
+ private final PowerThrottlingConfigData mConfigData;
+
+ private TestPowerData() {
+ this(DISPLAY_ID, DisplayDeviceConfig.DEFAULT_ID, null);
+ }
+
+ private TestPowerData(List<ThrottlingLevel> data) {
+ this(DISPLAY_ID, DisplayDeviceConfig.DEFAULT_ID, data);
+ }
+
+ private TestPowerData(String uniqueDisplayId, String dataId, List<ThrottlingLevel> data) {
+ mUniqueDisplayId = uniqueDisplayId;
+ mDataId = dataId;
+ mData = PowerThrottlingData.create(data);
+ mConfigData = new PowerThrottlingConfigData(0.1f, 10);
+ }
+
+ @NonNull
+ @Override
+ public String getUniqueDisplayId() {
+ return mUniqueDisplayId;
+ }
+
+ @NonNull
+ @Override
+ public String getPowerThrottlingDataId() {
+ return mDataId;
+ }
+
+ @Nullable
+ @Override
+ public PowerThrottlingData getPowerThrottlingData() {
+ return mData;
+ }
+
+ @Nullable
+ @Override
+ public PowerThrottlingConfigData getPowerThrottlingConfigData() {
+ return mConfigData;
+ }
+ }
+}