It's not necessary to have a next_bridge for DP device, so we add this patch to judge this. Signed-off-by: Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx> --- drivers/gpu/drm/mediatek/mtk_dp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c index 136e13150281..e37c9185e4ec 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -1886,7 +1886,10 @@ static int mtk_dp_probe(struct platform_device *pdev) "failed to request dp irq resource\n"); mtk_dp->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 1, 0); - if (IS_ERR(mtk_dp->next_bridge)) + if (IS_ERR(mtk_dp->next_bridge) && + PTR_ERR(mtk_dp->next_bridge) == -ENODEV) + mtk_dp->next_bridge = NULL; + else if (IS_ERR(mtk_dp->next_bridge)) return dev_err_probe(dev, PTR_ERR(mtk_dp->next_bridge), "Failed to get bridge\n"); -- 2.18.0
