amdgpu_gmc_allocate_vm_inv_eng
int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev);
r = amdgpu_gmc_allocate_vm_inv_eng(adev);
r = amdgpu_gmc_allocate_vm_inv_eng(adev);
r = amdgpu_gmc_allocate_vm_inv_eng(adev);
r = amdgpu_gmc_allocate_vm_inv_eng(adev);