amdgpu_vm_bo_clear_mappings
r = amdgpu_vm_bo_clear_mappings(adev, &fpriv->vm,
r = amdgpu_vm_bo_clear_mappings(adev, bo_va->base.vm, saddr, size);
int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,