drm/mediatek: mtk_hdmi: Use devm managed version of drm_bridge_add

Simplify the probe/remove functions by using devm_drm_bridge_add()
as now there is no more need to manually remove the bridge.

Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20250217154836.108895-30-angelogioacchino.delregno@collabora.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

Author: AngeloGioacchino Del Regno

drivers/gpu/drm/mediatek/mtk_hdmi.c

@@ -1730,14 +1730,15 @@ static int mtk_hdmi_probe(struct platform_device *pdev)
 	hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
 	hdmi->bridge.vendor = "MediaTek";
 	hdmi->bridge.product = "On-Chip HDMI";
-	drm_bridge_add(&hdmi->bridge);
+
+	ret = devm_drm_bridge_add(dev, &hdmi->bridge);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to add bridge\n");
 
 	ret = mtk_hdmi_clk_enable_audio(hdmi);
-	if (ret) {
-		drm_bridge_remove(&hdmi->bridge);
+	if (ret)
 		return dev_err_probe(dev, ret,
 				     "Failed to enable audio clocks\n");
-	}
 
 	return 0;
 }
@@ -1746,7 +1747,6 @@ static void mtk_hdmi_remove(struct platform_device *pdev)
 {
 	struct mtk_hdmi *hdmi = platform_get_drvdata(pdev);
 
-	drm_bridge_remove(&hdmi->bridge);
 	mtk_hdmi_clk_disable_audio(hdmi);
 }