Commit 65773aa5 authored by Sjoerd Simons's avatar Sjoerd Simons Committed by Chun-Kuang Hu
Browse files

drm/mediatek: mtk_hdmi_common: Defer probe when ddc i2c bus isn't available yet 



The i2c adapter for ddc might not be available yet due to e.g. its
module not yet being loaded. To handle that defer probing rather then
returning a fatal error when probing.

Signed-off-by: default avatarSjoerd Simons <sjoerd@collabora.com>
Signed-off-by: default avatarLouis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Signed-off-by: default avatarChun-Kuang Hu <chunkuang.hu@kernel.org>
parent 28b7c8a1

drivers/gpu/drm/mediatek/mtk_hdmi_common.c

+1 −1
Original line number Diff line number Diff line
@@ -331,7 +331,7 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, struct platform_device 
	hdmi->ddc_adpt = of_find_i2c_adapter_by_node(i2c_np);

	of_node_put(i2c_np);

	if (!hdmi->ddc_adpt)

		return dev_err_probe(dev, -EINVAL, "Failed to get ddc i2c adapter by node\n");

		return dev_err_probe(dev, -EPROBE_DEFER, "Failed to get ddc i2c adapter by node\n");



	ret = devm_add_action_or_reset(dev, mtk_hdmi_put_device, &hdmi->ddc_adpt->dev);

	if (ret)