linux-kernel - Re: [PATCH v3 1/1] drm/mediatek: dp: Add sdp path reset

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Message-ID: <ybnnqysm2ptvclaal3kw26ttqkgbicn45cwxkkchl72vuzwtt2@el7c34zqxmjl>
Date: Wed, 25 Sep 2024 11:36:47 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Liankun Yang <liankun.yang@...iatek.com>
Cc: chunkuang.hu@...nel.org, p.zabel@...gutronix.de, airlied@...il.com, 
	simona@...ll.ch, matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com, 
	jitao.shi@...iatek.com, mac.shen@...iatek.com, peng.liu@...iatek.com, 
	Project_Global_Chrome_Upstream_Group@...iatek.com, dri-devel@...ts.freedesktop.org, 
	linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 1/1] drm/mediatek: dp: Add sdp path reset

On Wed, Sep 25, 2024 at 02:48:22PM GMT, Liankun Yang wrote:
> When using type-c to type-c to connect to the monitor,
> the sound plays normally. If you unplug the type-c and
> connect the type-c to hdmi dongle to the monitor, there will be noise.
> 
> By capturing the audio data, it is found that
> the data position is messy, and there is no error in the data.
> 
> Through experiments, it can be restored by resetting the SDP path
> when unplugging it.
> 
> Signed-off-by: Liankun Yang <liankun.yang@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
> Changes in V3:
> - No change.

If there are no changes, why did you increase the revision?

> Per suggestion from the previous thread:
> https://patchwork.kernel.org/project/linux-mediatek/patch/20240923132521.22785-1-liankun.yang@mediatek.com/

The link points to some other patch. Please consider using b4 tool, it
will manage changelogs and links for you.

> 
> Changes in V2:
> - Fix build error.
> Per suggestion from the previous thread:
> https://patchwork.kernel.org/project/linux-mediatek/patch/20240923133610.23728-1-liankun.yang@mediatek.com/
> ---
>  drivers/gpu/drm/mediatek/mtk_dp.c     | 15 +++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_dp_reg.h |  1 +
>  2 files changed, 16 insertions(+)
> 

-- 
With best wishes
Dmitry