Merge "SF: Fix jank after folding due to power sequence" into udc-qpr-dev am: 507c115dde am: e1a3b59deb
Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/24372572
Change-Id: Id9177e039e07cab9791c70bf18ddb1093b9e7cd5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 328a382..2639f92 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -5713,18 +5713,22 @@
// Turn off the display
if (displayId == mActiveDisplayId) {
- if (setSchedFifo(false) != NO_ERROR) {
- ALOGW("Failed to set SCHED_OTHER after powering off active display: %s",
- strerror(errno));
- }
- if (setSchedAttr(false) != NO_ERROR) {
- ALOGW("Failed set uclamp.min after powering off active display: %s",
- strerror(errno));
- }
+ if (const auto display = getActivatableDisplay()) {
+ onActiveDisplayChangedLocked(activeDisplay.get(), *display);
+ } else {
+ if (setSchedFifo(false) != NO_ERROR) {
+ ALOGW("Failed to set SCHED_OTHER after powering off active display: %s",
+ strerror(errno));
+ }
+ if (setSchedAttr(false) != NO_ERROR) {
+ ALOGW("Failed set uclamp.min after powering off active display: %s",
+ strerror(errno));
+ }
- if (*currentModeOpt != hal::PowerMode::DOZE_SUSPEND) {
- mScheduler->disableHardwareVsync(displayId, true);
- mScheduler->enableSyntheticVsync();
+ if (*currentModeOpt != hal::PowerMode::DOZE_SUSPEND) {
+ mScheduler->disableHardwareVsync(displayId, true);
+ mScheduler->enableSyntheticVsync();
+ }
}
}
@@ -8343,6 +8347,20 @@
getRenderEngine().onActiveDisplaySizeChanged(activeDisplay.getSize());
}
+sp<DisplayDevice> SurfaceFlinger::getActivatableDisplay() const {
+ if (mPhysicalDisplays.size() == 1) return nullptr;
+
+ // TODO(b/255635821): Choose the pacesetter display, considering both internal and external
+ // displays. For now, pick the other internal display, assuming a dual-display foldable.
+ return findDisplay([this](const DisplayDevice& display) REQUIRES(mStateLock) {
+ const auto idOpt = PhysicalDisplayId::tryCast(display.getId());
+ return idOpt && *idOpt != mActiveDisplayId && display.isPoweredOn() &&
+ mPhysicalDisplays.get(*idOpt)
+ .transform(&PhysicalDisplay::isInternal)
+ .value_or(false);
+ });
+}
+
void SurfaceFlinger::onActiveDisplayChangedLocked(const DisplayDevice* inactiveDisplayPtr,
const DisplayDevice& activeDisplay) {
ATRACE_CALL();
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index d9c1101..0b91e71 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -941,7 +941,8 @@
template <typename Predicate>
sp<DisplayDevice> findDisplay(Predicate p) const REQUIRES(mStateLock) {
const auto it = std::find_if(mDisplays.begin(), mDisplays.end(),
- [&](const auto& pair) { return p(*pair.second); });
+ [&](const auto& pair)
+ REQUIRES(mStateLock) { return p(*pair.second); });
return it == mDisplays.end() ? nullptr : it->second;
}
@@ -1054,6 +1055,9 @@
VirtualDisplayId acquireVirtualDisplay(ui::Size, ui::PixelFormat) REQUIRES(mStateLock);
void releaseVirtualDisplay(VirtualDisplayId);
+ // Returns a display other than `mActiveDisplayId` that can be activated, if any.
+ sp<DisplayDevice> getActivatableDisplay() const REQUIRES(mStateLock, kMainThreadContext);
+
void onActiveDisplayChangedLocked(const DisplayDevice* inactiveDisplayPtr,
const DisplayDevice& activeDisplay)
REQUIRES(mStateLock, kMainThreadContext);
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_FoldableTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_FoldableTest.cpp
index bd2344c..ed8d909 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_FoldableTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_FoldableTest.cpp
@@ -55,13 +55,17 @@
sp<DisplayDevice> mInnerDisplay, mOuterDisplay;
};
-TEST_F(FoldableTest, foldUnfold) {
+TEST_F(FoldableTest, promotesPacesetterOnBoot) {
// When the device boots, the inner display should be the pacesetter.
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
// ...and should still be after powering on.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
+}
+
+TEST_F(FoldableTest, promotesPacesetterOnFoldUnfold) {
+ mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
// The outer display should become the pacesetter after folding.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::OFF);
@@ -72,6 +76,10 @@
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::OFF);
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
+}
+
+TEST_F(FoldableTest, promotesPacesetterOnConcurrentPowerOn) {
+ mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
// The inner display should stay the pacesetter if both are powered on.
// TODO(b/255635821): The pacesetter should depend on the displays' refresh rates.
@@ -81,6 +89,28 @@
// The outer display should become the pacesetter if designated.
mFlinger.scheduler()->setPacesetterDisplay(kOuterDisplayId);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kOuterDisplayId);
+
+ // The inner display should become the pacesetter if designated.
+ mFlinger.scheduler()->setPacesetterDisplay(kInnerDisplayId);
+ ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
+}
+
+TEST_F(FoldableTest, promotesPacesetterOnConcurrentPowerOff) {
+ mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
+ mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::ON);
+
+ // The outer display should become the pacesetter if the inner display powers off.
+ mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::OFF);
+ ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kOuterDisplayId);
+
+ // The outer display should stay the pacesetter if both are powered on.
+ // TODO(b/255635821): The pacesetter should depend on the displays' refresh rates.
+ mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
+ ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kOuterDisplayId);
+
+ // The inner display should become the pacesetter if the outer display powers off.
+ mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::OFF);
+ ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
}
TEST_F(FoldableTest, doesNotRequestHardwareVsyncIfPoweredOff) {