extern u32 radeon_get_vblank_counter(struct drm_device *dev, int crtc);
extern int radeon_enable_vblank(struct drm_device *dev, int crtc);
extern void radeon_disable_vblank(struct drm_device *dev, int crtc);
-extern irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS);
+extern irqreturn_t radeon_driver_irq_handler(int irq, void *arg);
extern void radeon_driver_irq_preinstall(struct drm_device * dev);
extern int radeon_driver_irq_postinstall(struct drm_device *dev);
extern void radeon_driver_irq_uninstall(struct drm_device * dev);