void nv50_display_irq_handler(struct drm_device *dev);
void nv50_display_irq_handler_bh(struct work_struct *work);
+void nv50_display_irq_hotplug_bh(struct work_struct *work);
int nv50_display_init(struct drm_device *dev);
int nv50_display_create(struct drm_device *dev);
int nv50_display_destroy(struct drm_device *dev);