linux-kernel - [PATCH 17/34] drm/msm/dsi: convert to devm_drm_bridge

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Message-Id: <20250407-drm-bridge-convert-to-alloc-api-v1-17-42113ff8d9c0@bootlin.com>
Date: Mon, 07 Apr 2025 16:23:32 +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>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>
Subject: [PATCH 17/34] drm/msm/dsi: 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: Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>
Cc: Rob Clark <robdclark@...il.com>
Cc: Sean Paul <sean@...rly.run>
---
 drivers/gpu/drm/msm/dsi/dsi_manager.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index 895ba9815a652f00f7ace9cb7125ef8cef555d35..609bca109c19d803ea1896df27338a4b3fdf809f 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -452,15 +452,14 @@ int msm_dsi_manager_connector_init(struct msm_dsi *msm_dsi,
 	struct drm_connector *connector;
 	int ret;
 
-	dsi_bridge = devm_kzalloc(msm_dsi->dev->dev,
-				sizeof(*dsi_bridge), GFP_KERNEL);
-	if (!dsi_bridge)
-		return -ENOMEM;
+	dsi_bridge = devm_drm_bridge_alloc(msm_dsi->dev->dev, struct dsi_bridge, base,
+					   &dsi_mgr_bridge_funcs);
+	if (IS_ERR(dsi_bridge))
+		return PTR_ERR(dsi_bridge);
 
 	dsi_bridge->id = msm_dsi->id;
 
 	bridge = &dsi_bridge->base;
-	bridge->funcs = &dsi_mgr_bridge_funcs;
 
 	ret = devm_drm_bridge_add(msm_dsi->dev->dev, bridge);
 	if (ret)

-- 
2.49.0