drm/amd/display: Refine disable VGA

bad case won't follow normal sense, it will not enable vga1 as usual, but vga2,3,4 is on.

Signed-off-by: Clark Zheng <clark.zheng@amd.com>
Reviewed-by: Tony Cheng <tony.cheng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Clark Zheng 2018-03-15 14:02:06 +08:00 • committed by Alex Deucher
commit 219be9dda6
2 changed files with 22 additions and 6 deletions