drm/amd/display: Fix underscan not using proper scaling

fix underscan not being set correctly

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bhawanpreet Lakha 2017-10-03 13:53:51 -04:00 • committed by Alex Deucher
commit 80e80ec817