Merge "BlastBufferQueue: Fix async worker deadlock" into sc-v2-dev
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 5b9d912..e8e664b 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -456,10 +456,10 @@
// Ensure BLASTBufferQueue stays alive until we receive the transaction complete callback.
incStrong((void*)transactionCallbackThunk);
+ const bool sizeHasChanged = mRequestedSize != mSize;
+ mSize = mRequestedSize;
+ const bool updateDestinationFrame = sizeHasChanged || !mLastBufferInfo.hasBuffer;
Rect crop = computeCrop(bufferItem);
- const bool updateDestinationFrame =
- bufferItem.mScalingMode == NATIVE_WINDOW_SCALING_MODE_FREEZE ||
- !mLastBufferInfo.hasBuffer;
mLastBufferInfo.update(true /* hasBuffer */, bufferItem.mGraphicBuffer->getWidth(),
bufferItem.mGraphicBuffer->getHeight(), bufferItem.mTransform,
bufferItem.mScalingMode, crop);
@@ -586,7 +586,6 @@
bool BLASTBufferQueue::rejectBuffer(const BufferItem& item) {
if (item.mScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE) {
- mSize = mRequestedSize;
// Only reject buffers if scaling mode is freeze.
return false;
}
@@ -600,7 +599,6 @@
}
ui::Size bufferSize(bufWidth, bufHeight);
if (mRequestedSize != mSize && mRequestedSize == bufferSize) {
- mSize = mRequestedSize;
return false;
}
diff --git a/libs/gui/tests/BLASTBufferQueue_test.cpp b/libs/gui/tests/BLASTBufferQueue_test.cpp
index 9082d27..99777e9 100644
--- a/libs/gui/tests/BLASTBufferQueue_test.cpp
+++ b/libs/gui/tests/BLASTBufferQueue_test.cpp
@@ -672,6 +672,83 @@
/*border*/ 0, /*outsideRegion*/ true));
}
+// b/196339769 verify we can can update the requested size while the in FREEZE scaling mode and
+// scale the buffer properly when the mode changes to SCALE_TO_WINDOW
+TEST_F(BLASTBufferQueueTest, ScalingModeChanges) {
+ uint8_t r = 255;
+ uint8_t g = 0;
+ uint8_t b = 0;
+
+ BLASTBufferQueueHelper adapter(mSurfaceControl, mDisplayWidth, mDisplayHeight / 4);
+ sp<IGraphicBufferProducer> igbProducer;
+ setUpProducer(adapter, igbProducer);
+ {
+ int slot;
+ sp<Fence> fence;
+ sp<GraphicBuffer> buf;
+ auto ret = igbProducer->dequeueBuffer(&slot, &fence, mDisplayWidth, mDisplayHeight / 4,
+ PIXEL_FORMAT_RGBA_8888, GRALLOC_USAGE_SW_WRITE_OFTEN,
+ nullptr, nullptr);
+ ASSERT_EQ(IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION, ret);
+ ASSERT_EQ(OK, igbProducer->requestBuffer(slot, &buf));
+
+ uint32_t* bufData;
+ buf->lock(static_cast<uint32_t>(GraphicBuffer::USAGE_SW_WRITE_OFTEN),
+ reinterpret_cast<void**>(&bufData));
+ fillBuffer(bufData, Rect(buf->getWidth(), buf->getHeight()), buf->getStride(), r, g, b);
+ buf->unlock();
+
+ IGraphicBufferProducer::QueueBufferOutput qbOutput;
+ IGraphicBufferProducer::QueueBufferInput input(systemTime(), true /* autotimestamp */,
+ HAL_DATASPACE_UNKNOWN, {},
+ NATIVE_WINDOW_SCALING_MODE_FREEZE, 0,
+ Fence::NO_FENCE);
+ igbProducer->queueBuffer(slot, input, &qbOutput);
+ adapter.waitForCallbacks();
+ }
+ // capture screen and verify that it is red
+ ASSERT_EQ(NO_ERROR, captureDisplay(mCaptureArgs, mCaptureResults));
+
+ ASSERT_NO_FATAL_FAILURE(
+ checkScreenCapture(r, g, b,
+ {0, 0, (int32_t)mDisplayWidth, (int32_t)mDisplayHeight / 4}));
+
+ // update the size to half the display and dequeue a buffer quarter of the display.
+ adapter.update(mSurfaceControl, mDisplayWidth, mDisplayHeight / 2);
+
+ {
+ int slot;
+ sp<Fence> fence;
+ sp<GraphicBuffer> buf;
+ auto ret = igbProducer->dequeueBuffer(&slot, &fence, mDisplayWidth, mDisplayHeight / 8,
+ PIXEL_FORMAT_RGBA_8888, GRALLOC_USAGE_SW_WRITE_OFTEN,
+ nullptr, nullptr);
+ ASSERT_EQ(IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION, ret);
+ ASSERT_EQ(OK, igbProducer->requestBuffer(slot, &buf));
+
+ uint32_t* bufData;
+ buf->lock(static_cast<uint32_t>(GraphicBuffer::USAGE_SW_WRITE_OFTEN),
+ reinterpret_cast<void**>(&bufData));
+ g = 255;
+ fillBuffer(bufData, Rect(buf->getWidth(), buf->getHeight()), buf->getStride(), r, g, b);
+ buf->unlock();
+
+ IGraphicBufferProducer::QueueBufferOutput qbOutput;
+ IGraphicBufferProducer::QueueBufferInput input(systemTime(), true /* autotimestamp */,
+ HAL_DATASPACE_UNKNOWN, {},
+ NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW,
+ 0, Fence::NO_FENCE);
+ igbProducer->queueBuffer(slot, input, &qbOutput);
+ adapter.waitForCallbacks();
+ }
+ // capture screen and verify that it is red
+ ASSERT_EQ(NO_ERROR, captureDisplay(mCaptureArgs, mCaptureResults));
+ // verify we still scale the buffer to the new size (half the screen height)
+ ASSERT_NO_FATAL_FAILURE(
+ checkScreenCapture(r, g, b,
+ {0, 0, (int32_t)mDisplayWidth, (int32_t)mDisplayHeight / 2}));
+}
+
class TestProducerListener : public BnProducerListener {
public:
sp<IGraphicBufferProducer> mIgbp;
diff --git a/services/sensorservice/SensorDevice.cpp b/services/sensorservice/SensorDevice.cpp
index c233bf0..e0511bf 100644
--- a/services/sensorservice/SensorDevice.cpp
+++ b/services/sensorservice/SensorDevice.cpp
@@ -614,6 +614,8 @@
Return<void> SensorDevice::onDynamicSensorsConnected(
const hidl_vec<SensorInfo> &dynamicSensorsAdded) {
+ std::unique_lock<std::mutex> lock(mDynamicSensorsMutex);
+
// Allocate a sensor_t structure for each dynamic sensor added and insert
// it into the dictionary of connected dynamic sensors keyed by handle.
for (size_t i = 0; i < dynamicSensorsAdded.size(); ++i) {
@@ -629,6 +631,8 @@
std::make_pair(sensor->handle, sensor));
}
+ mDynamicSensorsCv.notify_all();
+
return Return<void>();
}
@@ -1174,8 +1178,20 @@
dst->dynamic_sensor_meta.connected = dyn.connected;
dst->dynamic_sensor_meta.handle = dyn.sensorHandle;
if (dyn.connected) {
+ std::unique_lock<std::mutex> lock(mDynamicSensorsMutex);
+ // Give MAX_DYN_SENSOR_WAIT_SEC for onDynamicSensorsConnected to be invoked since it
+ // can be received out of order from this event due to a bug in the HIDL spec that
+ // marks it as oneway.
auto it = mConnectedDynamicSensors.find(dyn.sensorHandle);
- CHECK(it != mConnectedDynamicSensors.end());
+ if (it == mConnectedDynamicSensors.end()) {
+ mDynamicSensorsCv.wait_for(lock, MAX_DYN_SENSOR_WAIT,
+ [&, dyn]{
+ return mConnectedDynamicSensors.find(dyn.sensorHandle)
+ != mConnectedDynamicSensors.end();
+ });
+ it = mConnectedDynamicSensors.find(dyn.sensorHandle);
+ CHECK(it != mConnectedDynamicSensors.end());
+ }
dst->dynamic_sensor_meta.sensor = it->second;
diff --git a/services/sensorservice/SensorDevice.h b/services/sensorservice/SensorDevice.h
index 75da7bb..bc8d20f 100644
--- a/services/sensorservice/SensorDevice.h
+++ b/services/sensorservice/SensorDevice.h
@@ -139,6 +139,14 @@
Vector<sensor_t> mSensorList;
std::unordered_map<int32_t, sensor_t*> mConnectedDynamicSensors;
+ // A bug in the Sensors HIDL spec which marks onDynamicSensorsConnected as oneway causes dynamic
+ // meta events and onDynamicSensorsConnected to be received out of order. This mutex + CV are
+ // used to block meta event processing until onDynamicSensorsConnected is received to simplify
+ // HAL implementations.
+ std::mutex mDynamicSensorsMutex;
+ std::condition_variable mDynamicSensorsCv;
+ static constexpr std::chrono::seconds MAX_DYN_SENSOR_WAIT{5};
+
static const nsecs_t MINIMUM_EVENTS_PERIOD = 1000000; // 1000 Hz
mutable Mutex mLock; // protect mActivationCount[].batchParams
// fixed-size array after construction
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
index 81a669a..ee1d730 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
@@ -22,6 +22,7 @@
#pragma clang diagnostic ignored "-Wextra"
#include "RefreshRateConfigs.h"
+#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <utils/Trace.h>
#include <chrono>
@@ -679,9 +680,31 @@
RefreshRateConfigs::RefreshRateConfigs(const DisplayModes& modes, DisplayModeId currentModeId,
Config config)
: mKnownFrameRates(constructKnownFrameRates(modes)), mConfig(config) {
+ initializeIdleTimer();
updateDisplayModes(modes, currentModeId);
}
+void RefreshRateConfigs::initializeIdleTimer() {
+ if (mConfig.idleTimerTimeoutMs > 0) {
+ const auto getCallback = [this]() -> std::optional<IdleTimerCallbacks::Callbacks> {
+ std::scoped_lock lock(mIdleTimerCallbacksMutex);
+ if (!mIdleTimerCallbacks.has_value()) return {};
+ return mConfig.supportKernelIdleTimer ? mIdleTimerCallbacks->kernel
+ : mIdleTimerCallbacks->platform;
+ };
+
+ mIdleTimer.emplace(
+ "IdleTimer", std::chrono::milliseconds(mConfig.idleTimerTimeoutMs),
+ [getCallback] {
+ if (const auto callback = getCallback()) callback->onReset();
+ },
+ [getCallback] {
+ if (const auto callback = getCallback()) callback->onExpired();
+ });
+ mIdleTimer->start();
+ }
+}
+
void RefreshRateConfigs::updateDisplayModes(const DisplayModes& modes,
DisplayModeId currentModeId) {
std::lock_guard lock(mLock);
@@ -944,6 +967,9 @@
base::StringAppendF(&result, "Supports Frame Rate Override: %s\n",
mSupportsFrameRateOverride ? "yes" : "no");
+ base::StringAppendF(&result, "Idle timer: (%s) %s\n",
+ mConfig.supportKernelIdleTimer ? "kernel" : "platform",
+ mIdleTimer ? mIdleTimer->dump().c_str() : "off");
result.append("\n");
}
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
index 4a9a1fd..2addc83 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
@@ -27,6 +27,7 @@
#include "DisplayHardware/DisplayMode.h"
#include "DisplayHardware/HWComposer.h"
#include "Fps.h"
+#include "Scheduler/OneShotTimer.h"
#include "Scheduler/SchedulerUtils.h"
#include "Scheduler/Seamlessness.h"
#include "Scheduler/StrongTyping.h"
@@ -305,11 +306,19 @@
// or heuristic, such that refresh rates higher than this value will not be voted for. 0 if
// no threshold is set.
int frameRateMultipleThreshold = 0;
+
+ // The Idle Timer timeout. 0 timeout means no idle timer.
+ int32_t idleTimerTimeoutMs = 0;
+
+ // Whether to use idle timer callbacks that support the kernel timer.
+ bool supportKernelIdleTimer = false;
};
- RefreshRateConfigs(const DisplayModes& modes, DisplayModeId currentModeId,
+ RefreshRateConfigs(const DisplayModes&, DisplayModeId,
Config config = {.enableFrameRateOverride = false,
- .frameRateMultipleThreshold = 0});
+ .frameRateMultipleThreshold = 0,
+ .idleTimerTimeoutMs = 0,
+ .supportKernelIdleTimer = false});
// Returns whether switching modes (refresh rate or resolution) is possible.
// TODO(b/158780872): Consider HAL support, and skip frame rate detection if the modes only
@@ -345,6 +354,30 @@
Fps displayFrameRate, bool touch) const
EXCLUDES(mLock);
+ bool supportsKernelIdleTimer() const { return mConfig.supportKernelIdleTimer; }
+
+ void setIdleTimerCallbacks(std::function<void()> platformTimerReset,
+ std::function<void()> platformTimerExpired,
+ std::function<void()> kernelTimerReset,
+ std::function<void()> kernelTimerExpired) {
+ std::scoped_lock lock(mIdleTimerCallbacksMutex);
+ mIdleTimerCallbacks.emplace();
+ mIdleTimerCallbacks->platform.onReset = platformTimerReset;
+ mIdleTimerCallbacks->platform.onExpired = platformTimerExpired;
+ mIdleTimerCallbacks->kernel.onReset = kernelTimerReset;
+ mIdleTimerCallbacks->kernel.onExpired = kernelTimerExpired;
+ }
+
+ void resetIdleTimer(bool kernelOnly) {
+ if (!mIdleTimer) {
+ return;
+ }
+ if (kernelOnly && !mConfig.supportKernelIdleTimer) {
+ return;
+ }
+ mIdleTimer->reset();
+ };
+
void dump(std::string& result) const EXCLUDES(mLock);
RefreshRateConfigs(const RefreshRateConfigs&) = delete;
@@ -403,6 +436,8 @@
void updateDisplayModes(const DisplayModes& mode, DisplayModeId currentModeId) EXCLUDES(mLock);
+ void initializeIdleTimer();
+
// The list of refresh rates, indexed by display modes ID. This may change after this
// object is initialized.
AllRefreshRatesMapType mRefreshRates GUARDED_BY(mLock);
@@ -446,6 +481,22 @@
};
mutable std::optional<GetBestRefreshRateInvocation> lastBestRefreshRateInvocation
GUARDED_BY(mLock);
+
+ // Timer that records time between requests for next vsync.
+ std::optional<scheduler::OneShotTimer> mIdleTimer;
+
+ struct IdleTimerCallbacks {
+ struct Callbacks {
+ std::function<void()> onReset;
+ std::function<void()> onExpired;
+ };
+
+ Callbacks platform;
+ Callbacks kernel;
+ };
+
+ std::mutex mIdleTimerCallbacksMutex;
+ std::optional<IdleTimerCallbacks> mIdleTimerCallbacks GUARDED_BY(mIdleTimerCallbacksMutex);
};
} // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 80b2504..1a5f0f4 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -120,28 +120,15 @@
Scheduler::Scheduler(const std::shared_ptr<scheduler::RefreshRateConfigs>& configs,
ISchedulerCallback& callback)
: Scheduler(configs, callback,
- {.supportKernelTimer = sysprop::support_kernel_idle_timer(false),
- .useContentDetection = sysprop::use_content_detection_for_refresh_rate(false)}) {
+ {.useContentDetection = sysprop::use_content_detection_for_refresh_rate(false)}) {
}
Scheduler::Scheduler(const std::shared_ptr<scheduler::RefreshRateConfigs>& configs,
ISchedulerCallback& callback, Options options)
- : Scheduler(createVsyncSchedule(options.supportKernelTimer), configs, callback,
+ : Scheduler(createVsyncSchedule(configs->supportsKernelIdleTimer()), configs, callback,
createLayerHistory(), options) {
using namespace sysprop;
- const int setIdleTimerMs = base::GetIntProperty("debug.sf.set_idle_timer_ms"s, 0);
-
- if (const auto millis = setIdleTimerMs ? setIdleTimerMs : set_idle_timer_ms(0); millis > 0) {
- const auto callback = mOptions.supportKernelTimer ? &Scheduler::kernelIdleTimerCallback
- : &Scheduler::idleTimerCallback;
- mIdleTimer.emplace(
- "IdleTimer", std::chrono::milliseconds(millis),
- [this, callback] { std::invoke(callback, this, TimerState::Reset); },
- [this, callback] { std::invoke(callback, this, TimerState::Expired); });
- mIdleTimer->start();
- }
-
if (const int64_t millis = set_touch_timer_ms(0); millis > 0) {
// Touch events are coming to SF every 100ms, so the timer needs to be higher than that
mTouchTimer.emplace(
@@ -168,11 +155,11 @@
mVsyncSchedule(std::move(schedule)),
mLayerHistory(std::move(layerHistory)),
mSchedulerCallback(schedulerCallback),
- mRefreshRateConfigs(configs),
mPredictedVsyncTracer(
base::GetBoolProperty("debug.sf.show_predicted_vsync", false)
? std::make_unique<PredictedVsyncTracer>(*mVsyncSchedule.dispatch)
: nullptr) {
+ setRefreshRateConfigs(configs);
mSchedulerCallback.setVsyncEnabled(false);
}
@@ -180,7 +167,7 @@
// Ensure the OneShotTimer threads are joined before we start destroying state.
mDisplayPowerTimer.reset();
mTouchTimer.reset();
- mIdleTimer.reset();
+ mRefreshRateConfigs.reset();
}
Scheduler::VsyncSchedule Scheduler::createVsyncSchedule(bool supportKernelTimer) {
@@ -672,18 +659,16 @@
}
void Scheduler::resetIdleTimer() {
- if (mIdleTimer) {
- mIdleTimer->reset();
- }
+ std::scoped_lock lock(mRefreshRateConfigsLock);
+ mRefreshRateConfigs->resetIdleTimer(/*kernelOnly*/ false);
}
void Scheduler::notifyTouchEvent() {
if (mTouchTimer) {
mTouchTimer->reset();
- if (mOptions.supportKernelTimer && mIdleTimer) {
- mIdleTimer->reset();
- }
+ std::scoped_lock lock(mRefreshRateConfigsLock);
+ mRefreshRateConfigs->resetIdleTimer(/*kernelOnly*/ true);
}
}
@@ -755,7 +740,6 @@
void Scheduler::dump(std::string& result) const {
using base::StringAppendF;
- StringAppendF(&result, "+ Idle timer: %s\n", mIdleTimer ? mIdleTimer->dump().c_str() : "off");
StringAppendF(&result, "+ Touch timer: %s\n",
mTouchTimer ? mTouchTimer->dump().c_str() : "off");
StringAppendF(&result, "+ Content detection: %s %s\n\n",
@@ -867,7 +851,7 @@
}
const bool touchActive = mTouchTimer && mFeatures.touch == TouchState::Active;
- const bool idle = mIdleTimer && mFeatures.idleTimer == TimerState::Expired;
+ const bool idle = mFeatures.idleTimer == TimerState::Expired;
return refreshRateConfigs
->getBestRefreshRate(mFeatures.contentRequirements,
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 4b6905b..2f97328 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -133,7 +133,6 @@
// Detects content using layer history, and selects a matching refresh rate.
void chooseRefreshRateForContent() EXCLUDES(mRefreshRateConfigsLock);
- bool isIdleTimerEnabled() const { return mIdleTimer.has_value(); }
void resetIdleTimer();
// Function that resets the touch timer.
@@ -184,6 +183,15 @@
EXCLUDES(mRefreshRateConfigsLock) {
std::scoped_lock lock(mRefreshRateConfigsLock);
mRefreshRateConfigs = std::move(refreshRateConfigs);
+ mRefreshRateConfigs->setIdleTimerCallbacks(
+ [this] { std::invoke(&Scheduler::idleTimerCallback, this, TimerState::Reset); },
+ [this] { std::invoke(&Scheduler::idleTimerCallback, this, TimerState::Expired); },
+ [this] {
+ std::invoke(&Scheduler::kernelIdleTimerCallback, this, TimerState::Reset);
+ },
+ [this] {
+ std::invoke(&Scheduler::kernelIdleTimerCallback, this, TimerState::Expired);
+ });
}
nsecs_t getVsyncPeriodFromRefreshRateConfigs() const EXCLUDES(mRefreshRateConfigsLock) {
@@ -201,8 +209,6 @@
enum class TouchState { Inactive, Active };
struct Options {
- // Whether to use idle timer callbacks that support the kernel timer.
- bool supportKernelTimer;
// Whether to use content detection at all.
bool useContentDetection;
};
@@ -288,8 +294,6 @@
// Used to choose refresh rate if content detection is enabled.
std::unique_ptr<LayerHistory> mLayerHistory;
- // Timer that records time between requests for next vsync.
- std::optional<scheduler::OneShotTimer> mIdleTimer;
// Timer used to monitor touch events.
std::optional<scheduler::OneShotTimer> mTouchTimer;
// Timer used to monitor display power mode.
diff --git a/services/surfaceflinger/Scheduler/VSyncReactor.cpp b/services/surfaceflinger/Scheduler/VSyncReactor.cpp
index 7b5d462..ee973f7 100644
--- a/services/surfaceflinger/Scheduler/VSyncReactor.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncReactor.cpp
@@ -42,6 +42,7 @@
: mClock(std::move(clock)),
mTracker(tracker),
mPendingLimit(pendingFenceLimit),
+ // TODO(adyabr): change mSupportKernelIdleTimer when the active display changes
mSupportKernelIdleTimer(supportKernelIdleTimer) {}
VSyncReactor::~VSyncReactor() = default;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 9e23152..82bd398 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -275,6 +275,40 @@
ROTATE_SURFACE_FLINGER = 0x2,
};
+struct IdleTimerConfig {
+ int32_t timeoutMs;
+ bool supportKernelIdleTimer;
+};
+
+IdleTimerConfig getIdleTimerConfiguration(DisplayId displayId) {
+ // TODO(adyabr): use ro.surface_flinger.* namespace
+
+ const auto displayIdleTimerMsKey = [displayId] {
+ std::stringstream ss;
+ ss << "debug.sf.set_idle_timer_ms_" << displayId.value;
+ return ss.str();
+ }();
+
+ const auto displaySupportKernelIdleTimerKey = [displayId] {
+ std::stringstream ss;
+ ss << "debug.sf.support_kernel_idle_timer_" << displayId.value;
+ return ss.str();
+ }();
+
+ const int32_t displayIdleTimerMs = base::GetIntProperty(displayIdleTimerMsKey, 0);
+ const auto displaySupportKernelIdleTimer =
+ base::GetBoolProperty(displaySupportKernelIdleTimerKey, false);
+
+ if (displayIdleTimerMs > 0) {
+ return {displayIdleTimerMs, displaySupportKernelIdleTimer};
+ }
+
+ const int32_t setIdleTimerMs = base::GetIntProperty("debug.sf.set_idle_timer_ms", 0);
+ const int32_t millis = setIdleTimerMs ? setIdleTimerMs : sysprop::set_idle_timer_ms(0);
+
+ return {millis, sysprop::support_kernel_idle_timer(false)};
+}
+
} // namespace anonymous
// ---------------------------------------------------------------------------
@@ -469,9 +503,6 @@
useFrameRateApi = use_frame_rate_api(true);
- mKernelIdleTimerEnabled = mSupportKernelIdleTimer = sysprop::support_kernel_idle_timer(false);
- base::SetProperty(KERNEL_IDLE_TIMER_PROP, mKernelIdleTimerEnabled ? "true" : "false");
-
mRefreshRateOverlaySpinner = property_get_bool("sf.debug.show_refresh_rate_overlay_spinner", 0);
// Debug property overrides ro. property
@@ -2643,10 +2674,14 @@
creationArgs.connectionType = physical->type;
creationArgs.supportedModes = physical->supportedModes;
creationArgs.activeModeId = physical->activeMode->getId();
+ const auto [idleTimerTimeoutMs, supportKernelIdleTimer] =
+ getIdleTimerConfiguration(compositionDisplay->getId());
scheduler::RefreshRateConfigs::Config config =
{.enableFrameRateOverride = android::sysprop::enable_frame_rate_override(false),
.frameRateMultipleThreshold =
- base::GetIntProperty("debug.sf.frame_rate_multiple_threshold", 0)};
+ base::GetIntProperty("debug.sf.frame_rate_multiple_threshold", 0),
+ .idleTimerTimeoutMs = idleTimerTimeoutMs,
+ .supportKernelIdleTimer = supportKernelIdleTimer};
creationArgs.refreshRateConfigs =
std::make_shared<scheduler::RefreshRateConfigs>(creationArgs.supportedModes,
creationArgs.activeModeId, config);
@@ -5875,16 +5910,18 @@
void SurfaceFlinger::toggleKernelIdleTimer() {
using KernelIdleTimerAction = scheduler::RefreshRateConfigs::KernelIdleTimerAction;
- // If the support for kernel idle timer is disabled in SF code, don't do anything.
- if (!mSupportKernelIdleTimer) {
- return;
- }
const auto display = getDefaultDisplayDeviceLocked();
if (!display) {
ALOGW("%s: default display is null", __func__);
return;
}
+ // If the support for kernel idle timer is disabled for the active display,
+ // don't do anything.
+ if (!display->refreshRateConfigs().supportsKernelIdleTimer()) {
+ return;
+ }
+
const KernelIdleTimerAction action = display->refreshRateConfigs().getIdleTimerAction();
switch (action) {
case KernelIdleTimerAction::TurnOff:
@@ -7015,6 +7052,10 @@
mScheduler->setRefreshRateConfigs(activeDisplay->holdRefreshRateConfigs());
onActiveDisplaySizeChanged(activeDisplay);
mActiveDisplayTransformHint = activeDisplay->getTransformHint();
+
+ // Update the kernel timer for the current active display, since the policy
+ // for this display might have changed when it was not the active display.
+ toggleKernelIdleTimer();
}
status_t SurfaceFlinger::addWindowInfosListener(
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 89c1d50..dba2bd6 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -759,8 +759,6 @@
// Keeps track of whether the kernel idle timer is currently enabled, so we don't have to
// make calls to sys prop each time.
bool mKernelIdleTimerEnabled = false;
- // Keeps track of whether the kernel timer is supported on the SF side.
- bool mSupportKernelIdleTimer = false;
// Show spinner with refresh rate overlay
bool mRefreshRateOverlaySpinner = false;
diff --git a/services/surfaceflinger/tests/unittests/TestableScheduler.h b/services/surfaceflinger/tests/unittests/TestableScheduler.h
index a99dabe..1d21bd4 100644
--- a/services/surfaceflinger/tests/unittests/TestableScheduler.h
+++ b/services/surfaceflinger/tests/unittests/TestableScheduler.h
@@ -44,7 +44,7 @@
ISchedulerCallback& callback)
: Scheduler({std::move(vsyncController), std::move(vsyncTracker), nullptr},
refreshRateConfigs, callback, createLayerHistory(),
- {.supportKernelTimer = false, .useContentDetection = true}) {}
+ {.useContentDetection = true}) {}
// Used to inject mock event thread.
ConnectionHandle createConnection(std::unique_ptr<EventThread> eventThread) {