drm/amdgpu: Fix VM clean check method

	return r;

}

/**

 * amdgpu_vm_check_clean_reserved - check if a VM is clean

 *

 * @adev: amdgpu_device pointer

 * @vm: the VM to check

 *

 * check all entries of the root PD, if any subsequent PDs are allocated,

 * it means there are page table creating and filling, and is no a clean

 * VM

 *

 * Returns:

 *	0 if this VM is clean

 */

static int amdgpu_vm_check_clean_reserved(struct amdgpu_device *adev,

	struct amdgpu_vm *vm)

{

	enum amdgpu_vm_level root = adev->vm_manager.root_level;

	unsigned int entries = amdgpu_vm_num_entries(adev, root);

	unsigned int i = 0;

	if (!(vm->root.entries))

		return 0;

	for (i = 0; i < entries; i++) {

		if (vm->root.entries[i].base.bo)

			return -EINVAL;

	}

	return 0;

}

/**

 * amdgpu_vm_make_compute - Turn a GFX VM into a compute VM

 *

		return r;

	/* Sanity checks */

	if (!RB_EMPTY_ROOT(&vm->va.rb_root) || vm->root.entries) {

		r = -EINVAL;

	r = amdgpu_vm_check_clean_reserved(adev, vm);

	if (r)

		goto unreserve_bo;

	}

	if (pasid) {

		unsigned long flags;