vc4_irq_preinstall 189 drivers/gpu/drm/vc4/vc4_drv.c .irq_preinstall = vc4_irq_preinstall, vc4_irq_preinstall 825 drivers/gpu/drm/vc4/vc4_drv.h void vc4_irq_preinstall(struct drm_device *dev);