linux-kernel - Re: [PATCH v2] drm/msm/dpu: Fix adjusted mode clock check for 3d merge

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: <3h57fefla2kv5mh2fmldma5v57do7uohljnzyd2pnkpsdugxle@ylqizvhtril5>
Date: Thu, 25 Sep 2025 00:25:52 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Jessica Zhang <jessica.zhang@....qualcomm.com>
Cc: 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>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Abel Vesa <abel.vesa@...aro.org>
Subject: Re: [PATCH v2] drm/msm/dpu: Fix adjusted mode clock check for 3d
 merge

On Tue, Sep 23, 2025 at 04:03:50PM -0700, Jessica Zhang wrote:
> Since 3D merge allows for larger modes to be supported across 2 layer
> mixers, filter modes based on adjusted mode clock / 2 when 3d merge is
> supported.
> 
> Reported-by: Abel Vesa <abel.vesa@...aro.org>
> Fixes: 62b7d6835288 ("drm/msm/dpu: Filter modes based on adjusted mode clock")
> Signed-off-by: Jessica Zhang <jessica.zhang@....qualcomm.com>
> ---
> Changes in v2:
> - Divide adjusted mode clock by 2 if 3d merge enabled (Dmitry)
> - Link to v1: https://lore.kernel.org/r/20250922-modeclk-fix-v1-1-a9b8faec74f8@oss.qualcomm.com
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 3 +++
>  1 file changed, 3 insertions(+)
> 

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


-- 
With best wishes
Dmitry