linux-kernel - Re: [PATCH v5 0/3] Add support for OLED panel used on Snapdragon Lenovo T14s Gen6

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Message-ID: <d431435b-4ac0-44aa-922d-0bde126ca563@linaro.org>
Date: Tue, 22 Jul 2025 15:01:08 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Johan Hovold <johan@...nel.org>,
 Christopher Obbard <christopher.obbard@...aro.org>
Cc: Douglas Anderson <dianders@...omium.org>,
 Jessica Zhang <quic_jesszhan@...cinc.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>,
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, Rui Miguel Silva <rui.silva@...aro.org>,
 Abel Vesa <abel.vesa@...aro.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v5 0/3] Add support for OLED panel used on Snapdragon
 Lenovo T14s Gen6

On 10/07/2025 12:07, Johan Hovold wrote:
> Hi Chris (and Neil),
> 
> On Tue, May 20, 2025 at 10:30:29AM +0200, Johan Hovold wrote:
> 
>> On Wed, Apr 02, 2025 at 03:36:31PM +0100, Christopher Obbard wrote:
>>> The Snapdragon Lenovo T14s Gen6 can be bought with a number of different
>>> panels. This patch series adds support for the OLED model which has a
>>> Samsung ATNA40YK20 panel.
>>>
>>> With this patch series the backlight of the OLED eDP panel does not
>>> illuminate since the brightness is incorrectly read from the eDP panel
>>> as (to be clear this is not a regression). This is fixed in [0].
>>>
>>> [0]: https://lore.kernel.org/all/20250330-wip-obbardc-qcom-t14s-oled-panel-brightness-v6-1-84ad1cd1078a@linaro.org/
>>
>> It would be good to get OLED support for the T14s merged. Are you
>> planning on sending another revision of this series?
> 
> No reply for over a month. Do you intend to respin these or should
> someone else take over?
> 
> Neil, do you have the OLED version now?

I'm not sure, how do I determine that ? Is there something specific in the type number ?

Neil

> 
>>> Christopher Obbard (3):
>>>        arm64: dts: qcom: x1e80100: add epd hpd pinctrl
>>>        arm64: dts: qcom: x1e78100-t14s: add hpd gpio to dp controller
>>
>>>        arm64: dts: qcom: x1e78100-t14s-oled: add edp panel
>>
>> Strictly speaking you could have posted this last patch on it's own as
>> it doesn't depend on adding the hpd pinctrl.
> 
> Johan