drm/amd/display: Use same wait mpcc idle function.

There is already wait mpcc idle function. It is better
to use the same function for all wait mpcc idle.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongqiang Sun 2017-11-15 16:12:19 -05:00 • committed by Alex Deucher
commit 1ccda80ff4