void nvd0_display_destroy(struct drm_device *);
int nvd0_display_init(struct drm_device *);
void nvd0_display_fini(struct drm_device *);
-void nvd0_display_intr(struct drm_device *);
void nvd0_display_flip_stop(struct drm_crtc *);
int nvd0_display_flip_next(struct drm_crtc *, struct drm_framebuffer *,