drm/amdgpu: add gmc basic support for Arcturus

Add initial GMC support for Arcturus

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2018-09-04 14:52:25 +08:00 • committed by Alex Deucher
commit 3de2ff5d60