linux-kernel - Re: [PATCH v2 3/3] drm: bridge: Add waveshare DSI2DPI unit driver

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Message-ID: <901dcf27-f9b8-4c21-8012-3c77ea9bdd83@nxp.com>
Date: Tue, 5 Aug 2025 14:11:35 +0800
From: Liu Ying <victor.liu@....com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Joseph Guo <qijian.guo@....com>,
 Andrzej Hajda <andrzej.hajda@...el.com>,
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>,
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Jessica Zhang
 <quic_jesszhan@...cinc.com>, Thierry Reding <thierry.reding@...il.com>,
 Sam Ravnborg <sam@...nborg.org>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/3] drm: bridge: Add waveshare DSI2DPI unit driver

On 08/05/2025, Krzysztof Kozlowski wrote:
> On 05/08/2025 04:22, Liu Ying wrote:
>> Hi Joseph,
>>
>> On 08/04/2025, Joseph Guo wrote:
>>> Waveshare touchscreen consists of a DPI panel and a driver board.
>>> The waveshare driver board consists of ICN6211 and a MCU to
>>> convert DSI to DPI and control the backlight.
>>> This driver treats the MCU and ICN6211 board as a whole unit.
>>> It can support all resolution waveshare DSI2DPI based panel,
>>> the timing table should come from 'panel-dpi' panel in the device tree.
>>>
>>> Signed-off-by: Joseph Guo <qijian.guo@....com>
>>
>> For next version, you may add:
>> Suggested-by: Liu Ying <victor.liu@....com>
> 
> Why?

As I replied in the cover letter, I provided general idea for this
patch series in NXP down stream kernel.  Same for the DT binding patches.

https://lore.kernel.org/dri-devel/647f4a16-cb25-46f7-95d7-4c049e6c145b@nxp.com/T/#mb491c1e74df28dab74d8dcb7843f12e7a3b537cb

> 
> Best regards,
> Krzysztof


-- 
Regards,
Liu Ying