linux-kernel - [PATCH v2 02/12] drm: of: drm_of_panel_bridge_remove(): convert to of_drm_find_and_get

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Message-Id: <20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-2-8bad3ef90b9f@bootlin.com>
Date: Fri, 09 Jan 2026 08:31:33 +0100
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: 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>, 
 Philippe Cornu <philippe.cornu@...com>, benjamin.gaignard@...aro.org, 
 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>, 
 Adrien Grassein <adrien.grassein@...il.com>, 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>, Inki Dae <inki.dae@...sung.com>, 
 Jagan Teki <jagan@...rulasolutions.com>, 
 Marek Szyprowski <m.szyprowski@...sung.com>
Cc: Hui Pu <Hui.Pu@...ealthcare.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 Luca Ceresoli <luca.ceresoli@...tlin.com>
Subject: [PATCH v2 02/12] drm: of: drm_of_panel_bridge_remove(): convert to
 of_drm_find_and_get_bridge()

of_drm_find_bridge() is deprecated. Move to its replacement
of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it
is put when done.

Acked-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
---
 include/drm/drm_of.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h
index f3e55ea2174c..f2f2bf82eff9 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -171,9 +171,10 @@ static inline int drm_of_panel_bridge_remove(const struct device_node *np,
 	if (!remote)
 		return -ENODEV;
 
-	bridge = of_drm_find_bridge(remote);
+	bridge = of_drm_find_and_get_bridge(remote);
 	drm_panel_bridge_remove(bridge);
 
+	drm_bridge_put(bridge);
 	of_node_put(remote);
 
 	return 0;

-- 
2.52.0