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

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Message-ID: <aCw9pYehCdfXXeiR@hovoldconsulting.com>
Date: Tue, 20 May 2025 10:30:29 +0200
From: Johan Hovold <johan@...nel.org>
To: Christopher Obbard <christopher.obbard@...aro.org>
Cc: Douglas Anderson <dianders@...omium.org>,
	Neil Armstrong <neil.armstrong@...aro.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

Hi Chris,

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?

> 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