linux-kernel - Re: [PATCH v13 3/4] drm/atomic-helper: Re-order bridge chain pre-enable and post-disable

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] [day] [month] [year] [list]

Message-ID: <722dd7f8-f3b9-4877-a70c-57c3f9bb0cd7@rock-chips.com>
Date: Wed, 3 Dec 2025 11:43:10 +0800
From: Chaoyi Chen <chaoyi.chen@...k-chips.com>
To: Aradhya Bhatia <aradhya.bhatia@...ux.dev>,
 Vicente Bergas <vicencb@...il.com>
Cc: Laurent.pinchart@...asonboard.com, airlied@...il.com,
 alexander.sverdlin@...mens.com, andrzej.hajda@...el.com, devarsht@...com,
 dri-devel <dri-devel@...ts.freedesktop.org>, jernej.skrabec@...il.com,
 Jonas Karlman <jonas@...boo.se>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, lumag@...nel.org,
 maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
 neil.armstrong@...aro.org, nm@...com, rfoss@...nel.org, simona@...ll.ch,
 tomi.valkeinen@...asonboard.com, tzimmermann@...e.de, vigneshr@...com,
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 Douglas Anderson <dianders@...omium.org>,
 Damon Ding <damon.ding@...k-chips.com>, Sandy Huang <hjc@...k-chips.com>,
 Heiko Stübner <heiko@...ech.de>,
 Andy Yan <andy.yan@...k-chips.com>, Damon Ding <damon.ding@...k-chips.com>,
 Linus Walleij <linusw@...nel.org>,
 Linux Rockchip Support List <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v13 3/4] drm/atomic-helper: Re-order bridge chain
 pre-enable and post-disable

Hi Aradhya,

On 10/6/2025 11:30 PM, Aradhya Bhatia wrote:
> +rockchip maintainers
> 
> Hi Vicente, all,
> 
> 
> I went through the drivers and the affected areas in the gru-kevin
> chromebook pipeline last week, but nothing has stood out.
> 
> 
> Pipeline:
> 
> rockchip,display-subsystem / rk3399-vop (Big/Lite) (CRTC) ->
> rk3399-edp (Encoder) -> analogix_dp_core (Bridge) ->
> sharp,lq123p (edp-panel)
> 
> I am unable to debug this further since I do not have the hardware.
> 
> I could use some help, especially from folks who understand the hardware
> requirements better.
> 
>

Sorry for late reply. Could you please try the patch in the
attachment? I think this should work without PSR. Thank you.

-- 
Best, 
Chaoyi
View attachment "0001-drm-bridge-analogix_dp-Force-prepare-drm-panel-in-pr.patch" of type "text/plain" (1269 bytes)