SF: update consistent criteria for heuristic refresh rate calculation
Enlarge the consistent criteria to apply heuristic logic for more cases.
To prevent introducing oscillation, this makes sure to only select a
valid know refresh rate if all the frametime in the layer history have
the same nearest known refresh rate.
Bug: 299201319
Test: presubmit
Change-Id: Ie317f7fe337c84c2c7314069cba1bd02a147bf6b
diff --git a/services/surfaceflinger/surfaceflinger_flags.aconfig b/services/surfaceflinger/surfaceflinger_flags.aconfig
index 71c59b2..c125791 100644
--- a/services/surfaceflinger/surfaceflinger_flags.aconfig
+++ b/services/surfaceflinger/surfaceflinger_flags.aconfig
@@ -84,3 +84,11 @@
description: "enable refresh rate indicator on the external display"
bug: "301647974"
}
+
+flag {
+ name: "use_known_refresh_rate_for_fps_consistency"
+ namespace: "core_graphics"
+ description: "Whether to use the closest known refresh rate to determine the fps consistency."
+ bug: "299201319"
+ is_fixed_read_only: true
+}