diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 7d6c9a2..9087557 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -120,6 +120,9 @@
 	} data;
 } __attribute__((packed));
 
+#define EDID_DETAIL_EST_TIMINGS 0xf7
+#define EDID_DETAIL_CVT_3BYTE 0xf8
+#define EDID_DETAIL_COLOR_MGMT_DATA 0xf9
 #define EDID_DETAIL_STD_MODES 0xfa
 #define EDID_DETAIL_MONITOR_CPDATA 0xfb
 #define EDID_DETAIL_MONITOR_NAME 0xfc