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Commit be59c0da authored by Ady Abraham's avatar Ady Abraham
Browse files

SurfaceFlinger: expose idle timer as device config 

Add a device config for idle timer to allow setting it from
a device.mk file

Bug: 126270036
Test: flashall the build and observe idle timer value
Change-Id: Ic1af3fd20b497a52e9740d898754c0c9eeb223ef
parent 97d0423a

services/surfaceflinger/Scheduler/Scheduler.cpp

+6 −1
Original line number Diff line number Diff line
@@ -67,9 +67,14 @@ Scheduler::Scheduler(impl::EventControlThread::SetVSyncEnabledFunction function) 
    mPrimaryDispSync = std::move(primaryDispSync);

    mEventControlThread = std::make_unique<impl::EventControlThread>(function);



    mSetIdleTimerMs = set_idle_timer_ms(0);



    char value[PROPERTY_VALUE_MAX];

    property_get("debug.sf.set_idle_timer_ms", value, "0");

    int int_value = atoi(value);

    if (int_value) {

        mSetIdleTimerMs = atoi(value);

    }



    if (mSetIdleTimerMs > 0) {

        mIdleTimer =

services/surfaceflinger/SurfaceFlingerProperties.cpp

+8 −0
Original line number Diff line number Diff line
@@ -209,6 +209,14 @@ int32_t wcg_composition_pixel_format(PixelFormat defaultValue) { 
    return static_cast<int32_t>(defaultValue);

}



int32_t set_idle_timer_ms(int32_t defaultValue) {

    auto temp = SurfaceFlingerProperties::set_idle_timer_ms();

    if (temp.has_value()) {

        return *temp;

    }

    return defaultValue;

}



#define DISPLAY_PRIMARY_SIZE 3



constexpr float kSrgbRedX = 0.4123f;

services/surfaceflinger/SurfaceFlingerProperties.h

+2 −0
Original line number Diff line number Diff line
@@ -55,6 +55,8 @@ int64_t wcg_composition_dataspace( 
int32_t wcg_composition_pixel_format(

        android::hardware::graphics::common::V1_2::PixelFormat defaultValue);



int32_t set_idle_timer_ms(int32_t defaultValue);



android::ui::DisplayPrimaries getDisplayNativePrimaries();

} // namespace sysprop

} // namespace android

services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop

+11 −0
Original line number Diff line number Diff line
@@ -286,3 +286,14 @@ prop { 
    access: Readonly

    prop_name: "ro.surface_flinger.display_primary_white"

}



# setIdleTimerMs indicates what is considered a timeout in milliseconds for Scheduler. This value is

# used by the Scheduler to trigger inactivity callbacks that will switch the display to a lower

# refresh rate. Setting this property to 0 means there is no timer.

prop {

    api_name: "set_idle_timer_ms"

    type: Integer

    scope: Internal

    access: Readonly

    prop_name: "ro.surface_flinger.set_idle_timer_ms"

}