drm/amdgpu: Use AMDGPU_IS_GFXHUB to screen out GFXHUB for GMC v12.1

There're multiple gfxhubs on GMC v12.1

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 2025-06-11 20:35:50 +08:00 • committed by Alex Deucher
commit a848986a38