Merge "Have each Display be associated with a DisplayGroup and DPC" into sc-dev (64bface5) · Commits · e / os / android_frameworks_base

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

+14 −13

Original line number	Diff line number	Diff line
		@@ -1134,13 +1134,9 @@ public final class DisplayManagerService extends SystemService {
		recordStableDisplayStatsIfNeededLocked(display);
		recordTopInsetLocked(display);
		}
		final int groupId = mLogicalDisplayMapper.getDisplayGroupIdFromDisplayIdLocked(displayId);
		if (groupId != Display.INVALID_DISPLAY_GROUP) {
		addDisplayPowerControllerLocked(display);
		mDisplayStates.append(displayId, Display.STATE_UNKNOWN);
		} else {
		mDisplayStates.append(displayId, Display.STATE_ON);
		}

		mDisplayBrightnesses.append(displayId, display.getDisplayInfoLocked().brightnessDefault);

		DisplayManagerGlobal.invalidateLocalDisplayInfoCaches();
		@@ -1943,8 +1939,7 @@ public final class DisplayManagerService extends SystemService {
		}

		private void initializeDisplayPowerControllersLocked() {
		mLogicalDisplayMapper.forEachLocked((logicalDisplay) -> addDisplayPowerControllerLocked(
		logicalDisplay));
		mLogicalDisplayMapper.forEachLocked(this::addDisplayPowerControllerLocked);
		}

		private void addDisplayPowerControllerLocked(LogicalDisplay display) {
		@@ -2891,11 +2886,17 @@ public final class DisplayManagerService extends SystemService {
		final int size = displayGroup.getSizeLocked();
		boolean ready = true;
		for (int i = 0; i < size; i++) {
		final int id = displayGroup.getIdLocked(i);
		final DisplayDevice displayDevice = mLogicalDisplayMapper.getDisplayLocked(
		id).getPrimaryDisplayDeviceLocked();
		final int flags = displayDevice.getDisplayDeviceInfoLocked().flags;
		if ((flags & DisplayDeviceInfo.FLAG_NEVER_BLANK) == 0) {
		final DisplayPowerController displayPowerController =
		mDisplayPowerControllers.get(displayGroup.getIdLocked(i));
		mDisplayPowerControllers.get(id);
		ready &= displayPowerController.requestPowerState(request,
		waitForNegativeProximity);
		}
		}

		return ready;
		}

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

+13 −19

Original line number	Diff line number	Diff line
		@@ -433,37 +433,31 @@ class LogicalDisplayMapper implements DisplayDeviceRepository.Listener {
		final int displayId = display.getDisplayIdLocked();

		// Get current display group data
		final int groupId = getDisplayGroupIdFromDisplayIdLocked(displayId);
		int groupId = getDisplayGroupIdFromDisplayIdLocked(displayId);
		final DisplayGroup oldGroup = getDisplayGroupLocked(groupId);

		// Get the new display group if a change is needed
		final DisplayInfo info = display.getDisplayInfoLocked();
		final boolean needsOwnDisplayGroup = (info.flags & Display.FLAG_OWN_DISPLAY_GROUP) != 0;
		final boolean hasOwnDisplayGroup = groupId != Display.DEFAULT_DISPLAY_GROUP;
		final boolean needsDisplayGroup = needsOwnDisplayGroup \|\| info.type == Display.TYPE_INTERNAL
		\|\| info.type == Display.TYPE_EXTERNAL;
		if (!needsDisplayGroup) {
		if (oldGroup != null) {
		oldGroup.removeDisplayLocked(display);
		}
		return;
		}
		if (groupId == Display.INVALID_DISPLAY_GROUP
		\|\| hasOwnDisplayGroup != needsOwnDisplayGroup) {
		if (oldGroup != null) {
		oldGroup.removeDisplayLocked(display);
		groupId = assignDisplayGroupIdLocked(needsOwnDisplayGroup);
		}

		final int newGroupId = assignDisplayGroupIdLocked(needsOwnDisplayGroup);
		// Create a new group if needed
		DisplayGroup newGroup = getDisplayGroupLocked(newGroupId);
		DisplayGroup newGroup = getDisplayGroupLocked(groupId);
		if (newGroup == null) {
		newGroup = new DisplayGroup(newGroupId);
		mDisplayGroups.append(newGroupId, newGroup);
		newGroup = new DisplayGroup(groupId);
		mDisplayGroups.append(groupId, newGroup);
		}
		if (oldGroup != newGroup) {
		if (oldGroup != null) {
		oldGroup.removeDisplayLocked(display);
		}
		newGroup.addDisplayLocked(display);
		display.updateDisplayGroupIdLocked(newGroupId);
		Slog.i(TAG, "Setting new display group " + newGroupId + " for display "
		display.updateDisplayGroupIdLocked(groupId);
		Slog.i(TAG, "Setting new display group " + groupId + " for display "
		+ displayId + ", from previous group: "
		+ (oldGroup != null ? oldGroup.getGroupId() : "null"));
		}

services/tests/servicestests/src/com/android/server/display/LogicalDisplayMapperTest.java

+4 −7

Original line number	Diff line number	Diff line
		@@ -186,14 +186,11 @@ public class LogicalDisplayMapperTest {
		LogicalDisplay display2 = add(createDisplayDevice(Display.TYPE_INTERNAL, 600, 800, 0));
		LogicalDisplay display3 = add(createDisplayDevice(Display.TYPE_VIRTUAL, 600, 800, 0));

		// Physical displays should be automatically put into the default group.
		assertEquals(Display.DEFAULT_DISPLAY_GROUP,
		mLogicalDisplayMapper.getDisplayGroupIdFromDisplayIdLocked(id(display1)));
		assertEquals(Display.DEFAULT_DISPLAY_GROUP,
		mLogicalDisplayMapper.getDisplayGroupIdFromDisplayIdLocked(id(display2)));

		// Virtual displays should belong to no group by default.
		assertEquals(Display.INVALID_DISPLAY_GROUP,
		assertEquals(Display.DEFAULT_DISPLAY_GROUP,
		mLogicalDisplayMapper.getDisplayGroupIdFromDisplayIdLocked(id(display3)));
		}

		@@ -215,13 +212,13 @@ public class LogicalDisplayMapperTest {
		assertNotEquals(Display.DEFAULT_DISPLAY_GROUP,
		mLogicalDisplayMapper.getDisplayGroupIdFromDisplayIdLocked(id(display3)));

		// Now switch it to the invalid group by removing the flag and issuing an update
		// Now switch it back to the default group by removing the flag and issuing an update
		DisplayDeviceInfo info = device3.getSourceInfo();
		info.flags = info.flags & ~DisplayDeviceInfo.FLAG_OWN_DISPLAY_GROUP;
		mDisplayDeviceRepo.onDisplayDeviceEvent(device3, DISPLAY_DEVICE_EVENT_CHANGED);

		// Verify the virtual display has not been placed into a group.
		assertEquals(Display.INVALID_DISPLAY_GROUP,
		// Verify the new group is correct.
		assertEquals(Display.DEFAULT_DISPLAY_GROUP,
		mLogicalDisplayMapper.getDisplayGroupIdFromDisplayIdLocked(id(display3)));
		}