drm: bridge: thc63lvd1024: Switch to use of_graph_get_remote_node()

To reduce boilerplate, use of_graph_get_remote_node() helper instead of
the hand-rolling code.
Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240316172800.1168390-1-sui.jingfeng@linux.devSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240316172800.1168390-1-sui.jingfeng@linux.dev

drivers/gpu/drm/bridge/thc63lvd1024.c

@@ -123,28 +123,10 @@ static int thc63_parse_dt(struct thc63_dev *thc63)
 	struct device_node *endpoint;
 	struct device_node *remote;
 
-	endpoint = of_graph_get_endpoint_by_regs(thc63->dev->of_node,
-						 THC63_RGB_OUT0, -1);
-	if (!endpoint) {
-		dev_err(thc63->dev, "Missing endpoint in port@%u\n",
-			THC63_RGB_OUT0);
-		return -ENODEV;
-	}
-
-	remote = of_graph_get_remote_port_parent(endpoint);
-	of_node_put(endpoint);
-	if (!remote) {
-		dev_err(thc63->dev, "Endpoint in port@%u unconnected\n",
-			THC63_RGB_OUT0);
+	remote = of_graph_get_remote_node(thc63->dev->of_node,
+					  THC63_RGB_OUT0, -1);
+	if (!remote)
 		return -ENODEV;
-	}
-
-	if (!of_device_is_available(remote)) {
-		dev_err(thc63->dev, "port@%u remote endpoint is disabled\n",
-			THC63_RGB_OUT0);
-		of_node_put(remote);
-		return -ENODEV;
-	}
 
 	thc63->next = of_drm_find_bridge(remote);
 	of_node_put(remote);