linux-kernel - Re: [PATCH 2/3] drm/msm/dsi: support DSC configurations with slice_per

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Message-ID: <cwgn24f6tnmytd4omr2tul4e5jjin3ijji3ff3qkumqm2xe3t3@ntayu3m5kai3>
Date: Thu, 2 Oct 2025 05:03:59 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Junjie Cao <caojunjie650@...il.com>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
        Jessica Zhang <jessica.zhang@....qualcomm.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>,
        Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Antonino Maniscalco <antomani103@...il.com>,
        Jonathan Marek <jonathan@...ek.ca>, Eugene Lepshy <fekz115@...il.com>,
        Jun Nie <jun.nie@...aro.org>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org
Subject: Re: [PATCH 2/3] drm/msm/dsi: support DSC configurations with
 slice_per_pkt > 1

On Wed, Oct 01, 2025 at 09:59:13PM +0800, Junjie Cao wrote:
> From: Jun Nie <jun.nie@...aro.org>
> 
> Some panels support multiple slice to be sent in a single DSC packet. And
> this feature is a must for specific panels, such as JDI LPM026M648C. Add a
> dsc_slice_per_pkt member into struct mipi_dsi_device and support the
> feature in msm mdss driver.
> 
> Co-developed-by: Jonathan Marek <jonathan@...ek.ca>
> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> Signed-off-by: Jun Nie <jun.nie@...aro.org>
> Signed-off-by: Junjie Cao <caojunjie650@...il.com>
> ---
>  drivers/gpu/drm/msm/dsi/dsi_host.c | 25 ++++++++++---------------
>  include/drm/drm_mipi_dsi.h         |  2 ++
>  2 files changed, 12 insertions(+), 15 deletions(-)

Please extract the generic part, so that it can be merged through a
generic tree.

-- 
With best wishes
Dmitry