[WHY & HOW]
Using values provided by DF for latency may cause hangs in
multi display configurations. Revert change to previous value.
Tested-by: NDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: NSung Lee <sung.lee@amd.com>
Reviewed-by: NHaonan Wang <Haonan.Wang2@amd.com>
Acked-by: NEryk Brol <eryk.brol@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>