SF: Generalize frame rate override to any frame rate
Add support to be able to override the frame rate of an app to
any frame rate, as long as it is a divisor of the display refresh rate.
Test: SF unit tests
Bug: 241460058
Bug: 241447632
Change-Id: Ibf8fa600127d3d5672a4c2a58d0a93b190854cc1
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 2ca39d0..ee22ecc 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2777,8 +2777,21 @@
const auto [kernelIdleTimerController, idleTimerTimeoutMs] =
getKernelIdleTimerProperties(compositionDisplay->getId());
+ const auto enableFrameRateOverride = [&] {
+ using Config = scheduler::RefreshRateSelector::Config;
+ if (!sysprop::enable_frame_rate_override(false)) {
+ return Config::FrameRateOverride::Disabled;
+ }
+
+ if (sysprop::frame_rate_override_for_native_rates(true)) {
+ return Config::FrameRateOverride::EnabledForNativeRefreshRates;
+ }
+
+ return Config::FrameRateOverride::Enabled;
+ }();
+
scheduler::RefreshRateSelector::Config config =
- {.enableFrameRateOverride = android::sysprop::enable_frame_rate_override(false),
+ {.enableFrameRateOverride = enableFrameRateOverride,
.frameRateMultipleThreshold =
base::GetIntProperty("debug.sf.frame_rate_multiple_threshold", 0),
.idleTimerTimeout = idleTimerTimeoutMs,