linux-kernel - Re: [PATCH] drm/panel: sony-td4353-jdi: Enable prepare_prev

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: <CAD=FV=VM18TOB70vvn05XFECsaCkj9=0sjqsKJQo7mfR=NZ9=Q@mail.gmail.com>
Date: Mon, 1 Dec 2025 09:52:41 -0800
From: Doug Anderson <dianders@...omium.org>
To: Marijn Suijten <marijn.suijten@...ainline.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, Jessica Zhang <jesszhan0024@...il.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>, 
	Dmitry Baryshkov <lumag@...nel.org>, Abhinav Kumar <quic_abhinavk@...cinc.com>, 
	~postmarketos/upstreaming@...ts.sr.ht, 
	Konrad Dybcio <konrad.dybcio@....qualcomm.com>, Martin Botka <martin.botka@...ainline.org>, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
	Jami Kettunen <jami.kettunen@...ainline.org>
Subject: Re: [PATCH] drm/panel: sony-td4353-jdi: Enable prepare_prev_first

Hi,

On Sun, Nov 30, 2025 at 2:40 PM Marijn Suijten
<marijn.suijten@...ainline.org> wrote:
>
> The DSI host must be enabled before our prepare function can run, which
> has to send its init sequence over DSI.  Without enabling the host first
> the panel will not probe.
>
> Fixes: 9e15123eca79 ("drm/msm/dsi: Stop unconditionally powering up DSI hosts at modeset")
> Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> ---
>  drivers/gpu/drm/panel/panel-sony-td4353-jdi.c | 2 ++
>  1 file changed, 2 insertions(+)

Reviewed-by: Douglas Anderson <dianders@...omium.org>