linux-kernel - Re: [PATCH v3 1/7] drm/encoder: add mutex to protect the bridge chain

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Message-ID: <fa56698c6e13b7bd1aedb99d393bb5f9@kernel.org>
Date: Wed, 29 Oct 2025 08:45:31 +0000
From: "Maxime Ripard" <mripard@...nel.org>
To: "Luca Ceresoli" <luca.ceresoli@...tlin.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, "Andrzej
 Hajda" <andrzej.hajda@...el.com>, "David Airlie" <airlied@...il.com>, "Hui
 Pu" <Hui.Pu@...ealthcare.com>, "Jernej Skrabec" <jernej.skrabec@...il.com>, "Jonas
 Karlman" <jonas@...boo.se>, "Laurent Pinchart" <Laurent.pinchart@...asonboard.com>, "Maarten
 Lankhorst" <maarten.lankhorst@...ux.intel.com>, "Maxime Ripard" <mripard@...nel.org>, "Neil
 Armstrong" <neil.armstrong@...aro.org>, "Robert Foss" <rfoss@...nel.org>, "Simona
 Vetter" <simona@...ll.ch>, "Thomas Petazzoni" <thomas.petazzoni@...tlin.com>, "Thomas
 Zimmermann" <tzimmermann@...e.de>
Subject: Re: [PATCH v3 1/7] drm/encoder: add mutex to protect the bridge
 chain

On Thu, 9 Oct 2025 13:38:56 +0200, Luca Ceresoli wrote:
> The per-encoder bridge chain is currently assumed to be static once it is
> fully initialized. Work is in progress to add hot-pluggable bridges,
> breaking that assumption.
> 
> With bridge removal, the encoder chain can change without notice, removing
> 
> [ ... ]

Reviewed-by: Maxime Ripard <mripard@...nel.org>

Thanks!
Maxime