drm/amd/display: Add tg_init interface.

Clear OPTC underflow status when init_hw.

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 2017-10-30 13:35:04 -04:00 • committed by Alex Deucher
commit 073a45e824
4 changed files with 15 additions and 1 deletions