vc4_get_hang_state_ioctl 168 drivers/gpu/drm/vc4/vc4_drv.c DRM_IOCTL_DEF_DRV(VC4_GET_HANG_STATE, vc4_get_hang_state_ioctl, vc4_get_hang_state_ioctl 726 drivers/gpu/drm/vc4/vc4_drv.h int vc4_get_hang_state_ioctl(struct drm_device *dev, void *data,