timestamp_precision_usec   93 drivers/gpu/drm/drm_vblank.c module_param_named(timestamp_precision_usec, drm_timestamp_precision, int, 0600);
timestamp_precision_usec   95 drivers/gpu/drm/drm_vblank.c MODULE_PARM_DESC(timestamp_precision_usec, "Max. error on timestamps [usecs]");