linux-kernel - Re: [PATCH v3 4/6] drm/bridge: add warning for bridges attached without being added

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Message-ID: <1776f9d77b2c670c77fc52ae73b22d58@kernel.org>
Date: Wed, 29 Oct 2025 08:43:53 +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, "Alain
 Volmat" <alain.volmat@...s.st.com>, "Andrzej Hajda" <andrzej.hajda@...el.com>, "Andy
 Yan" <andy.yan@...k-chips.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>, "Raphael
 Gallais-Pou" <rgallaispou@...il.com>, "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 4/6] drm/bridge: add warning for bridges attached
 without being added

On Tue, 28 Oct 2025 11:15:45 +0100, Luca Ceresoli wrote:
> DRM bridges must be added before they are attached. Add a warning to catch
> violations.
> 
> The warning is based on the bridge not being part of any list, so it will
> trigger if the bridge is being attached without ever having been added.
> 
> [ ... ]

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

Thanks!
Maxime