drm/edid: Detailed standard timing blocks have six timings, not five.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_edid.c

@@ -847,8 +847,7 @@ static int add_detailed_info(struct drm_connector *connector,
 			case EDID_DETAIL_MONITOR_CPDATA:
 				break;
 			case EDID_DETAIL_STD_MODES:
-				/* Five modes per detailed section */
-				for (j = 0; j < 5; i++) {
+				for (j = 0; j < 6; i++) {
 					struct std_timing *std;
 					struct drm_display_mode *newmode;