drm/mediatek: mtk_dpi: Switch to devm_drm_of_get_bridge()

Function drm_of_find_panel_or_bridge() is marked as deprecated: since
the usage of that in this driver exactly corresponds to the new function
devm_drm_of_get_bridge(), switch to it.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Fei Shao <fshao@chromium.org>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20230726082245.550929-4-angelogioacchino.delregno@collabora.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

Author: AngeloGioacchino Del Regno

drivers/gpu/drm/mediatek/mtk_dpi.c

@@ -1063,10 +1063,10 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 	if (dpi->irq <= 0)
 		return -EINVAL;
 
-	ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0,
-					  NULL, &dpi->next_bridge);
-	if (ret)
-		return ret;
+	dpi->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0);
+	if (IS_ERR(dpi->next_bridge))
+		return dev_err_probe(dev, PTR_ERR(dpi->next_bridge),
+				     "Failed to get bridge\n");
 
 	dev_info(dev, "Found bridge node: %pOF\n", dpi->next_bridge->of_node);