drm/amdgpu: skip to get 3D engine clockgating state for Arcturus

It's because Arcturus has not 3D engine.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2018-09-11 12:33:11 +08:00 • committed by Alex Deucher
commit 2065aa5494