diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h
index 608fa41352622..ea1697ab00d24 100644
--- a/drivers/gpu/drm/i915/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/intel_vbt_defs.h
@@ -391,7 +391,8 @@ struct child_device_config {
 			u8 lspcon:1;				/* 192 */
 			u8 iboost:1;				/* 196 */
 			u8 hpd_invert:1;			/* 196 */
-			u8 flag_reserved:3;
+			u8 use_vbt_vswing:1;			/* 218 */
+			u8 flag_reserved:2;
 			u8 hdmi_support:1;			/* 158 */
 			u8 dp_support:1;			/* 158 */
 			u8 tmds_support:1;			/* 158 */