tree a7843755386e4384545082e2f4b824a3e17e1356
parent 3253af353dbc5b66788b42d39a62e922a095b531
author Eric Yang <Eric.Yang2@amd.com> 1512661353 -0500
committer Alex Deucher <alexander.deucher@amd.com> 1513799256 -0500

drm/amd/display: reprogram surface config on scaling change

When plane size changes, we need to reprogram surface pitch in addition
to viewport and scaler. This change is a conservative way to make this happen.
However it could be more optimized to move pitch programming into
mem_program_viewport.

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Andrew Jiang <Andrew.Jiang@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>