linux-kernel - Re: [PATCH v6 37/42] drm/mediatek: mtk_hdmi_common: Assign DDC adapter pointer to bridge

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Message-ID: <4ff6d01a040b37d4f581ea3808db4851e555a4fe.camel@mediatek.com>
Date: Thu, 13 Feb 2025 09:20:15 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>
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Subject: Re: [PATCH v6 37/42] drm/mediatek: mtk_hdmi_common: Assign DDC
 adapter pointer to bridge

On Tue, 2025-02-11 at 12:34 +0100, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until you have verified the sender or the content.
> 
> 
> In preparation for adding the new HDMI TX v2 IP driver, assign the
> pointer to the DDC adapter to struct drm_bridge during probe.

I could not find where to use hdmi->bridge.ddc in the patch of adding hdmi v2.
Could you describe more about where or which function would use this?

Regards,
CK

> 
> This commit brings no functional changes.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_hdmi_common.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
> index 5ea45608921c..2c91f65f26fa 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
> @@ -411,6 +411,7 @@ struct mtk_hdmi *mtk_hdmi_common_probe(struct platform_device *pdev)
>         hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID
>                          | DRM_BRIDGE_OP_HPD;
>         hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
> +       hdmi->bridge.ddc = hdmi->ddc_adpt;
>         hdmi->bridge.vendor = "MediaTek";
>         hdmi->bridge.product = "On-Chip HDMI";
> 
> --
> 2.48.1
>