drm : enable modetest to set display property

Change-Id: I1e36e30d4388b94556ec87d2956eb98ca88fba28

Author: Gary_Gen

drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c

@@ -18,6 +18,7 @@
 #include <linux/phy/phy.h>
 #include <dt-bindings/pinctrl/rockchip.h>
 
+#include <drm/drm_atomic.h>
 #include <drm/drm_of.h>
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
@@ -1089,8 +1090,30 @@ dw_hdmi_rockchip_set_property(struct drm_connector *connector,
 		return 0;
 	}
 
-	DRM_ERROR("failed to set rockchip hdmi connector property\n");
-	return -EINVAL;
+	if (property != config->prop_crtc_id &&
+	    property != config->tv_select_subconnector_property &&
+	    property != config->tv_left_margin_property &&
+	    property != config->tv_right_margin_property &&
+	    property != config->tv_top_margin_property &&
+	    property != config->tv_bottom_margin_property &&
+	    property != config->tv_mode_property &&
+	    property != config->tv_brightness_property &&
+	    property != config->tv_contrast_property &&
+	    property != config->tv_flicker_reduction_property &&
+	    property != config->tv_overscan_property &&
+	    property != config->tv_saturation_property &&
+	    property != config->tv_hue_property &&
+	    property != config->hdr_source_metadata_property) {
+		DRM_ERROR("failed to set rockchip hdmi connector property\n");
+		return -EINVAL;
+	}
+
+	if (!state)
+		return drm_atomic_helper_connector_set_property(connector,
+								property, val);
+	else
+		return drm_atomic_connector_set_property(connector, state,
+							 property, val);
 }
 
 static int