drm/bridge: anx7625: switch to devm_drm_of_get_bridge

The function "drm_of_find_panel_or_bridge" has been deprecated in
favor of "devm_drm_of_get_bridge".

Switch to the new function and reduce boilerplate.
Signed-off-by: NJosé Expósito <jose.exposito89@gmail.com>
Reviewed-by: NMaxime Ripard <maxime@cerno.tech>
Signed-off-by: NRobert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221072835.10032-1-jose.exposito89@gmail.com

drivers/gpu/drm/bridge/analogix/anx7625.c

@@ -1611,8 +1611,6 @@ static int anx7625_parse_dt(struct device *dev,
 			    struct anx7625_platform_data *pdata)
 {
 	struct device_node *np = dev->of_node, *ep0;
-	struct drm_panel *panel;
-	int ret;
 	int bus_type, mipi_lanes;
 
 	anx7625_get_swing_setting(dev, pdata);
@@ -1649,18 +1647,14 @@ static int anx7625_parse_dt(struct device *dev,
 	if (of_property_read_bool(np, "analogix,audio-enable"))
 		pdata->audio_en = 1;
 
-	ret = drm_of_find_panel_or_bridge(np, 1, 0, &panel, NULL);
-	if (ret < 0) {
-		if (ret == -ENODEV)
+	pdata->panel_bridge = devm_drm_of_get_bridge(dev, np, 1, 0);
+	if (IS_ERR(pdata->panel_bridge)) {
+		if (PTR_ERR(pdata->panel_bridge) == -ENODEV)
 			return 0;
-		return ret;
-	}
-	if (!panel)
-		return -ENODEV;
 
-	pdata->panel_bridge = devm_drm_panel_bridge_add(dev, panel);
-	if (IS_ERR(pdata->panel_bridge))
 		return PTR_ERR(pdata->panel_bridge);
+	}
+
 	DRM_DEV_DEBUG_DRIVER(dev, "get panel node.\n");
 
 	return 0;