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

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: <CAK6c68jzWLYgrFXRUsYkvSWE9CRSGVmeyOp7cNhixhyBZBC=1Q@mail.gmail.com>
Date: Mon, 13 Oct 2025 10:09:00 +0800
From: 曹俊杰 <caojunjie650@...il.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.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

Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com> 于2025年10月2日周四 10:04写道：
>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.
>

Sorry, I don't get it.  The generic part, generic tree? Do you mean
the drm tree? `slice_per_pkt >= 2` is seen on the panels of these
tablets that are equipped with qcom chips. I don't know if these
panels are used on other platforms, and if it is necessary to do it
in drm.

>--
>With best wishes
>Dmitry

Regards,
Junjie