commit 29e2540607394bfb8bfbd00f9d00b276aac7e375
author Marin Shalamanov <shalamanov@google.com> Wed Apr 07 21:09:58 2021 +0200
committer Marin Shalamanov <shalamanov@google.com> Wed Apr 07 21:23:00 2021 +0200
tree 9ac236f2c2e6ff2173754f7330a7222613101eeb
parent 2ce1b7e95170f000a25175423af7732abf0294ab

Add comment for min refresh rate vote

Bug: 135718869
Test: n/a
Change-Id: Ib3f0d0887e1dde3f9f2961f14ead49007335d365

services/surfaceflinger/Scheduler/LayerInfo.cpp

diff --git a/services/surfaceflinger/Scheduler/LayerInfo.cpp b/services/surfaceflinger/Scheduler/LayerInfo.cpp
index 4b4cdae..c00c2a0 100644
--- a/services/surfaceflinger/Scheduler/LayerInfo.cpp
+++ b/services/surfaceflinger/Scheduler/LayerInfo.cpp
@@ -232,6 +232,8 @@
     if (!isFrequent(now)) {
         ALOGV("%s is infrequent", mName.c_str());
         mLastRefreshRate.animatingOrInfrequent = true;
+        // Infrequent layers vote for mininal refresh rate for
+        // battery saving purposes and also to prevent b/135718869.
         return {LayerHistory::LayerVoteType::Min, Fps(0.0f)};
     }