nv10_fence_destroy
void nv10_fence_destroy(struct nouveau_drm *);
priv->base.dtor = nv10_fence_destroy;
priv->base.dtor = nv10_fence_destroy;
nv10_fence_destroy(drm);
priv->base.dtor = nv10_fence_destroy;
nv10_fence_destroy(drm);