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>
This commit is contained in:
Eric Yang 2017-12-07 10:42:33 -05:00 • committed by Alex Deucher
commit f8668c099e