drm/amdgpu/gfx10: drop unused variable

Just check the return value directly.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2023-04-26 14:42:09 -04:00
commit d78e816a3d