drm/amd/display: Correct calculation of duration time.

Signed-off-by: Hugo Hu <hugo.hu@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hugo Hu 2018-06-18 15:27:58 -04:00 • committed by Alex Deucher
commit 93ed1814c6