617089d583
[why] Previous workaround to prevent a vsync flip to be converted to immediate flip is no longer needed, and is risky because there are cases where it can result in infinite loop. [how] Remove wait loop (which is potentially infinite) before locking pipe Signed-off-by: Jun Lei <Jun.Lei@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Reviewed-by: Eric Yang <eric.yang2@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>