linux-kernel - [PATCH 26/34] drm/bridge: stm_lvds: convert to devm_drm_bridge

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Message-Id: <20250407-drm-bridge-convert-to-alloc-api-v1-26-42113ff8d9c0@bootlin.com>
Date: Mon, 07 Apr 2025 16:23:41 +0200
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>, 
 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>, 
 Jagan Teki <jagan@...rulasolutions.com>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Douglas Anderson <dianders@...omium.org>, 
 Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Anusha Srivatsa <asrivats@...hat.com>, 
 Paul Kocialkowski <paulk@...-base.io>, Dmitry Baryshkov <lumag@...nel.org>, 
 Hervé Codina <herve.codina@...tlin.com>, 
 Hui Pu <Hui.Pu@...ealthcare.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 dri-devel@...ts.freedesktop.org, asahi@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, chrome-platform@...ts.linux.dev, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, linux-amlogic@...ts.infradead.org, 
 linux-renesas-soc@...r.kernel.org, platform-driver-x86@...r.kernel.org, 
 linux-samsung-soc@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 freedreno@...ts.freedesktop.org, linux-stm32@...md-mailman.stormreply.com, 
 Luca Ceresoli <luca.ceresoli@...tlin.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Philippe Cornu <philippe.cornu@...s.st.com>, 
 Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>, 
 Yannick Fertre <yannick.fertre@...s.st.com>
Subject: [PATCH 26/34] drm/bridge: stm_lvds: convert to
 devm_drm_bridge_alloc() API

This is the new API for allocating DRM bridges.

Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>

---

Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: Philippe Cornu <philippe.cornu@...s.st.com>
Cc: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
Cc: Yannick Fertre <yannick.fertre@...s.st.com>
---
 drivers/gpu/drm/stm/lvds.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/stm/lvds.c b/drivers/gpu/drm/stm/lvds.c
index a3ae9a93ce6670eb2c4dd36b3e572fcbca791a1c..07788e8d3d8302a3951e97d64736b721033998d3 100644
--- a/drivers/gpu/drm/stm/lvds.c
+++ b/drivers/gpu/drm/stm/lvds.c
@@ -1049,9 +1049,9 @@ static int lvds_probe(struct platform_device *pdev)
 
 	dev_dbg(dev, "Probing LVDS driver...\n");
 
-	lvds = devm_kzalloc(dev, sizeof(*lvds), GFP_KERNEL);
-	if (!lvds)
-		return -ENOMEM;
+	lvds = devm_drm_bridge_alloc(dev, struct stm_lvds, lvds_bridge, &lvds_bridge_funcs);
+	if (IS_ERR(lvds))
+		return PTR_ERR(lvds);
 
 	lvds->dev = dev;
 
@@ -1164,7 +1164,6 @@ static int lvds_probe(struct platform_device *pdev)
 		goto err_lvds_probe;
 	}
 
-	lvds->lvds_bridge.funcs = &lvds_bridge_funcs;
 	lvds->lvds_bridge.of_node = dev->of_node;
 	lvds->hw_version = lvds_read(lvds, LVDS_VERR);
 

-- 
2.49.0