drm/amd/display: Use pipe_control_lock instead of tg lock.

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 2017-12-15 10:26:13 -05:00 • committed by Alex Deucher
commit 8d6a741bf6