via_driver_irq_preinstall   86 drivers/gpu/drm/via/via_drv.c 	.irq_preinstall = via_driver_irq_preinstall,
via_driver_irq_preinstall  211 drivers/gpu/drm/via/via_drv.h extern void via_driver_irq_preinstall(struct drm_device *dev);