mmhub_v9_4_gart_enable 1435 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c 		r = mmhub_v9_4_gart_enable(adev);
mmhub_v9_4_gart_enable   27 drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.h int mmhub_v9_4_gart_enable(struct amdgpu_device *adev);