diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index dc4ea1eea5ff..1a0691c245ec 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -136,6 +136,65 @@ int rockchip_drm_get_sub_dev_type(void)
 }
 EXPORT_SYMBOL(rockchip_drm_get_sub_dev_type);
 
+static const struct drm_display_mode rockchip_drm_default_modes[] = {
+	/* 4 - 1280x720@60Hz 16:9 */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
+		   1430, 1650, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+	/* 16 - 1920x1080@60Hz 16:9 */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
+		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+	/* 31 - 1920x1080@50Hz 16:9 */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
+		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+	/* 19 - 1280x720@50Hz 16:9 */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
+		   1760, 1980, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+	/* 17 - 720x576@50Hz 4:3 */
+	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
+		   796, 864, 0, 576, 581, 586, 625, 0,
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+	/* 2 - 720x480@60Hz 4:3 */
+	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
+		   798, 858, 0, 480, 489, 495, 525, 0,
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+};
+
+int rockchip_drm_add_modes_noedid(struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+	struct drm_display_mode *mode;
+	int i, count, num_modes = 0;
+
+	mutex_lock(&rockchip_drm_sub_dev_lock);
+	count = ARRAY_SIZE(rockchip_drm_default_modes);
+
+	for (i = 0; i < count; i++) {
+		const struct drm_display_mode *ptr = &rockchip_drm_default_modes[i];
+
+		mode = drm_mode_duplicate(dev, ptr);
+		if (mode) {
+			if (!i)
+				mode->type = DRM_MODE_TYPE_PREFERRED;
+			drm_mode_probed_add(connector, mode);
+			num_modes++;
+		}
+	}
+	mutex_unlock(&rockchip_drm_sub_dev_lock);
+
+	return num_modes;
+}
+EXPORT_SYMBOL(rockchip_drm_add_modes_noedid);
+
 #ifdef CONFIG_ARCH_ROCKCHIP
 struct drm_prime_callback_data {
 	struct drm_gem_object *obj;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index 37abb5cad46a..a4446941df3e 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -201,6 +201,7 @@ int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
 void rockchip_drm_register_sub_dev(struct rockchip_drm_sub_dev *sub_dev);
 void rockchip_drm_unregister_sub_dev(struct rockchip_drm_sub_dev *sub_dev);
 struct rockchip_drm_sub_dev *rockchip_drm_get_sub_dev(struct device_node *node);
+int rockchip_drm_add_modes_noedid(struct drm_connector *connector);
 #if IS_ENABLED(CONFIG_DRM_ROCKCHIP)
 int rockchip_drm_get_sub_dev_type(void);
 #else