amdgpu_xgmi_get_bandwidth
int amdgpu_xgmi_get_bandwidth(struct amdgpu_device *adev, struct amdgpu_device *peer_adev,
amdgpu_xgmi_get_bandwidth(kdev->adev, NULL,
amdgpu_xgmi_get_bandwidth(kdev->adev, peer_kdev->adev,