Set mBrightness when needsComposite is zero

When needsComposite is zero in persistBrightness(), the mBrightness
needs to be updated to avoid unexpected skipping.

Bug: 244268674
Test: adb shell cmd device_state state 0 or 1 repeatly
Change-Id: Iccf925c1407e4be489da2dba521b93eee1b1c4b5

1 files changed, 4 insertions, 2 deletions

diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 86809007b4..269a1fa17b 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -325,8 +325,10 @@ void DisplayDevice::stageBrightness(float brightness) {
 }
 
 void DisplayDevice::persistBrightness(bool needsComposite) {
-    if (needsComposite && mStagedBrightness && mBrightness != *mStagedBrightness) {
-        getCompositionDisplay()->setNextBrightness(*mStagedBrightness);
+    if (mStagedBrightness && mBrightness != *mStagedBrightness) {
+        if (needsComposite) {
+            getCompositionDisplay()->setNextBrightness(*mStagedBrightness);
+        }
         mBrightness = *mStagedBrightness;
     }
     mStagedBrightness = std::nullopt;