drm/amdgpu: Remove two ! operations in an if condition

Make the code easier to understand.

Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Xie 2017-05-30 23:50:10 -04:00 • committed by Alex Deucher
commit bb37b67d57