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60hz only when ambient or display brightness is low
authorLong Ling <longling@google.com>
Wed, 3 Jul 2019 23:43:15 +0000 (16:43 -0700)
committerLong Ling <longling@google.com>
Mon, 15 Jul 2019 21:32:39 +0000 (21:32 +0000)
commitbc841b029311400ef2602bafe9b3776310d5e8a7
treed7542b4856abdea86484ddfeeb45e4f365f892c7
parent62a81ab99a121ed2017b102b3802598b19ab712a
60hz only when ambient or display brightness is low

Due to hardware limitation, flickers are seen when switching between 60
and 90hz at low display and ambient brightness. Force the display to stay
at 60hz when ambient and display brightness are low.

Bug: 136461712
Exempt-From-Owner-Approval: Santos is designated by Michael
Change-Id: I931288c46fc658e25b25249a160904b3e2dcfb94
core/res/res/values/config.xml
core/res/res/values/symbols.xml
services/core/java/com/android/server/display/DisplayManagerService.java
services/core/java/com/android/server/display/DisplayModeDirector.java
services/core/java/com/android/server/display/whitebalance/AmbientFilter.java
services/core/java/com/android/server/display/whitebalance/DisplayWhiteBalanceFactory.java