linux-kernel - Re: [PATCH v2 9/9] drm/imx: parallel-display: put the bridge returned by drm_bridge_get_next

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Message-ID: <55c708327764bcf5707421ed2982f2c3459ba97b.camel@pengutronix.de>
Date: Fri, 15 Aug 2025 10:51:09 +0200
From: Philipp Zabel <p.zabel@...gutronix.de>
To: Luca Ceresoli <luca.ceresoli@...tlin.com>, Andrzej Hajda
 <andrzej.hajda@...el.com>, Neil Armstrong <neil.armstrong@...aro.org>, 
 Robert Foss <rfoss@...nel.org>, Laurent Pinchart
 <Laurent.pinchart@...asonboard.com>, Jonas Karlman <jonas@...boo.se>,
 Jernej Skrabec <jernej.skrabec@...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>, Liu Ying <victor.liu@....com>, Shawn Guo
 <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix
 Kernel Team <kernel@...gutronix.de>,  Fabio Estevam <festevam@...il.com>,
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc: Hui Pu <Hui.Pu@...ealthcare.com>, Thomas Petazzoni
	 <thomas.petazzoni@...tlin.com>, linux-kernel@...r.kernel.org, 
	dri-devel@...ts.freedesktop.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 9/9] drm/imx: parallel-display: put the bridge
 returned by drm_bridge_get_next_bridge()

On Fr, 2025-08-01 at 19:05 +0200, Luca Ceresoli wrote:
> The bridge returned by drm_bridge_get_next_bridge() is refcounted. Put it
> when done. We need to ensure it is not put before either next_bridge or
> next_bridge_state is in use, thus for simplicity use a cleanup action.
> 
> Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>

Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>

regards
Philipp