tree ceb4e0e8959f6ce1995f123c7914224c29465c5a
parent 40d0affedac4446a6db627846ab0f1585ba9460f
author Midas Chien <midaschieh@google.com> 1699625444 +0000
committer Midas Chien <midaschieh@google.com> 1699948499 +0000

libhwc2.1: use vsync period to calculate expected vsync

When encountering an error from drmWaitVBlank, we should attempt to
calculate the expected vsync timestamp using the vsync period, rather
than the refresh rate.

Bug: 308095238
Test: fps switch, AoD in/out, On/Off
Change-Id: Ic0cc4d777727b009d2b6c2d4d4cee91f2a9ef0a5