diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 13acc52a584137b1d3e93361ec6c5088897aa9d0..4f61879896788a33e5696a258a348423deb92a57 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -158,6 +158,7 @@ struct amd_pp_profile {
 #define AMD_CG_SUPPORT_GFX_3D_CGCG		(1 << 20)
 #define AMD_CG_SUPPORT_GFX_3D_CGLS		(1 << 21)
 #define AMD_CG_SUPPORT_DRM_MGCG			(1 << 22)
+#define AMD_CG_SUPPORT_DF_MGCG			(1 << 23)
 
 /* PG flags */
 #define AMD_PG_SUPPORT_GFX_PG			(1 << 0)