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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <e9c63414-8434-4e35-a159-66df1864f9f3@linaro.org>
Date: Wed, 23 Jul 2025 08:51:22 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Rui Miguel Silva <rmfrfs@...il.com>, 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 22/07/2025 15:48, Rui Miguel Silva wrote:
> Hey Neil,
> 
> On Tue Jul 22, 2025 at 2:01 PM WEST, Neil Armstrong wrote:
> 
>> 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 ?
> 
> Yes, yours is the OLED version, the exact models stated above.

Ack thx, I'll test and re-spin this patchset then.

Neil

> 
> Cheers,
>       Rui
> 
>>
>> 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
> 
> 
>