linux-kernel - Re: [PATCH v2 07/11] drm/panel: Add panel driver for Samsung SOFEF03-M DDIC

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Message-ID: <5rcsiogle5hczm3unxqlhhcg433rpkfhx7herfl6pdgdhh7tzs@ej3ell7c4nt3>
Date: Wed, 24 Dec 2025 03:15:15 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Marijn Suijten <marijn.suijten@...ainline.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>, David Airlie <airlied@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Jessica Zhang <jesszhan0024@...il.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Simona Vetter <simona@...ll.ch>,
        Casey Connolly <casey.connolly@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Simona Vetter <simona.vetter@...ll.ch>,
        ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>
Subject: Re: [PATCH v2 07/11] drm/panel: Add panel driver for Samsung
 SOFEF03-M DDIC

On Mon, Dec 22, 2025 at 12:32:13AM +0100, Marijn Suijten wrote:
> The SOFEF03-M Display-Driver-IC is paired with a amb609vp01 panel on
> the Sony Xperia 5 II and amb609vp04 panel on the Sony Xperia 5 III. It
> requires Display Stream Compression 1.1 which allows the panels to run
> at 120Hz, even though a 60Hz mode is available too.
> 
> Downstream porch values are retained; despite not being used in
> command-mode they are useful to artificially bump the clock values to
> account for "transfer overhead" while that calculation is still missing
> from the MSM DSI host driver.
> 
> Co-developed-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> ---
>  MAINTAINERS                                   |   1 +
>  drivers/gpu/drm/panel/Kconfig                 |  16 ++
>  drivers/gpu/drm/panel/Makefile                |   1 +
>  drivers/gpu/drm/panel/panel-samsung-sofef03.c | 373 ++++++++++++++++++++++++++
>  4 files changed, 391 insertions(+)
> 
> + * Based on the following Sony downstream DTS command sequences:
> + * - Xperia 5 II (edo pdx206): https://github.com/sonyxperiadev/kernel-copyleft-dts/blob/58.2.A.10.xxx/somc/dsi-panel-sofef03_m-fhd_plus.dtsi
> + *  - Xperia 5 III (sagami pdx214): https://github.com/sonyxperiadev/kernel-copyleft-dts/blob/61.2.A.0.xxx/somc/dsi-panel-sofef03_m-amb609vp01-fhd_plus.dtsi

Nit: please align.

> + */
> +

With that fixed:


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>



-- 
With best wishes
Dmitry