diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 76162ad3b152..4449819e6ed7 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -1656,7 +1656,7 @@ enum drm_dp_phy {
 #define DP_RECEIVER_CAP_SIZE		0xf
 #define DP_DSC_RECEIVER_CAP_SIZE        0x10 /* DSC Capabilities 0x60 through 0x6F */
 #define EDP_PSR_RECEIVER_CAP_SIZE	2
-#define EDP_DISPLAY_CTL_CAP_SIZE	3
+#define EDP_DISPLAY_CTL_CAP_SIZE	5
 #define DP_LTTPR_COMMON_CAP_SIZE	8
 #define DP_LTTPR_PHY_CAP_SIZE		3