commit 32cf06051f5169e408a77b5a7e824481a37e5aef
author ramindani <ramindani@google.com> Wed Mar 02 02:30:29 2022 +0000
committer ramindani <ramindani@google.com> Thu Mar 10 21:27:02 2022 +0000
tree 07322472c1011e033a312535bd94a8ae2dcb97d2
parent 3488512006eca9b0d89637a6fd96bc814a755017

[SF] Kernel idle timer configuration

This change configures the kernel idle timer using the composer3 HAL APIs.

BUG: 198808492
Test: atest libsurfaceflinger_unittest
Change-Id: I7de140c3094cb84c8efe782c19c98e126cb4c60b

services/surfaceflinger/DisplayHardware/HWC2.h

diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 334d6ec..c03cede 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -91,6 +91,7 @@
     virtual bool hasCapability(
             aidl::android::hardware::graphics::composer3::DisplayCapability) const = 0;
     virtual bool isVsyncPeriodSwitchSupported() const = 0;
+    virtual bool hasDisplayIdleTimerCapability() const = 0;
     virtual void onLayerDestroyed(hal::HWLayerId layerId) = 0;
 
     [[clang::warn_unused_result]] virtual hal::Error acceptChanges() = 0;
@@ -166,6 +167,8 @@
     [[clang::warn_unused_result]] virtual hal::Error getDisplayDecorationSupport(
             std::optional<aidl::android::hardware::graphics::common::DisplayDecorationSupport>*
                     support) = 0;
+    [[clang::warn_unused_result]] virtual hal::Error setIdleTimerEnabled(
+            std::chrono::milliseconds timeout) = 0;
 };
 
 namespace impl {
@@ -242,6 +245,7 @@
     hal::Error getDisplayDecorationSupport(
             std::optional<aidl::android::hardware::graphics::common::DisplayDecorationSupport>*
                     support) override;
+    hal::Error setIdleTimerEnabled(std::chrono::milliseconds timeout) override;
 
     // Other Display methods
     hal::HWDisplayId getId() const override { return mId; }
@@ -250,6 +254,7 @@
     bool hasCapability(aidl::android::hardware::graphics::composer3::DisplayCapability)
             const override EXCLUDES(mDisplayCapabilitiesMutex);
     bool isVsyncPeriodSwitchSupported() const override;
+    bool hasDisplayIdleTimerCapability() const override;
     void onLayerDestroyed(hal::HWLayerId layerId) override;
 
 private: