drm_agp_release_ioctl 631 drivers/gpu/drm/drm_ioctl.c DRM_IOCTL_DEF(DRM_IOCTL_AGP_RELEASE, drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), drm_agp_release_ioctl 41 include/drm/drm_agpsupport.h int drm_agp_release_ioctl(struct drm_device *dev, void *data,