linux-kernel - Re: [PATCH v2 0/3] Add LG SW49410 Panel Driver

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Message-ID: <272d8cd6-e151-4bab-b8fb-438182a575be@linaro.org>
Date: Fri, 19 Sep 2025 16:45:16 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Paul Sajna <sajattack@...tmarketos.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>, Thierry Reding
 <thierry.reding@...il.com>, Sam Ravnborg <sam@...nborg.org>
Cc: linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 devicetree@...r.kernel.org, David Heidelberg <david@...t.cz>,
 phone-devel@...r.kernel.org, Amir Dahan <system64fumo@...tonmail.com>
Subject: Re: [PATCH v2 0/3] Add LG SW49410 Panel Driver

On 16/09/2025 04:32, Paul Sajna wrote:
> This patch series adds a drm panel driver for the LG SW49410 panel found
> in the LG G7 ThinQ (codename judyln).
> 
> The basic driver skeleton was generated by https://github.com/msm8916-mainline/linux-mdss-dsi-panel-driver-generator
> from the vendor device-tree.
> 
> The panel driver works but during testing we noticed sometimes the
> display goes blank. Source of this problem is unknown but seems to be external.
> i.e. It could be a conflict with another driver or an issue with
> aftermarket panels.
> 
> Comments were added explaining magic numbers, and devicetree
> documentation was also added
> 
> Once this patch has been accepted, I'll follow up with
> a devicetree update for sdm845-lg-judyln
> that includes this driver, along with several other improvements
> 
> Co-authored-by: Amir Dahan <system64fumo@...tonmail.com>
> Signed-off-by: Amir Dahan <system64fumo@...tonmail.com>
> Signed-off-by: Paul Sajna <sajattack@...tmarketos.org>
> ---
> Changes in v2:
> - use "multi" versions of functions
> - remove DRM_DISPLAY_DP_HELPER
> - change dt-bindings to panel-simple
> - Link to v1: https://lore.kernel.org/r/20250910-judyln-panel-v1-0-825c74403bbb@postmarketos.org
> 
> ---
> Amir Dahan (1):
>        drm: panel: Add LG SW49410 Panel
> 
> Paul Sajna (2):
>        Update MAINTAINERS for lg,sw49410

This patch hasn't been reviewed, and anyway the subject is wrong, it should start with MAINTAINERS:
please fix ans send a v3.

Thanks,
Neil

>        dt-bindings: display: panel: panel-simple: Add lg,sw49410 compatible
> 
>   .../bindings/display/panel/panel-simple.yaml       |   2 +
>   MAINTAINERS                                        |   5 +
>   drivers/gpu/drm/panel/Kconfig                      |  13 +
>   drivers/gpu/drm/panel/Makefile                     |   1 +
>   drivers/gpu/drm/panel/panel-lg-sw49410.c           | 502 +++++++++++++++++++++
>   5 files changed, 523 insertions(+)
> ---
> base-commit: e04c78d86a9699d136910cfc0bdcf01087e3267e
> change-id: 20250910-judyln-panel-948f177c5c5c
> 
> Best regards,