drm_syncobj_get_handle
ret = drm_syncobj_get_handle(filp, syncobj, &hdl);
r = drm_syncobj_get_handle(filp, syncobj, &info->out.handle);
EXPORT_SYMBOL(drm_syncobj_get_handle);
ret = drm_syncobj_get_handle(file_private, syncobj, handle);
int drm_syncobj_get_handle(struct drm_file *file_private,