mmhub_v2_0_gart_enable  842 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c 	r = mmhub_v2_0_gart_enable(adev);
mmhub_v2_0_gart_enable   26 drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.h int mmhub_v2_0_gart_enable(struct amdgpu_device *adev);