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From: Luca Ceresoli <luca.ceresoli@bootlin.com>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
	 Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	 Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	 Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	 Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	 David Airlie <airlied@gmail.com>,
	Simona Vetter <simona@ffwll.ch>,  Miguel Ojeda <ojeda@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	 Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
	 Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>,
	 Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
	 Chaoyi Chen <chaoyi.chen@rock-chips.com>,
	Hui Pu <Hui.Pu@gehealthcare.com>,
	 Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	 dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	 llvm@lists.linux.dev, Luca Ceresoli <luca.ceresoli@bootlin.com>
Subject: [PATCH v2 6/9] drm/bridge: use drm_for_each_bridge_in_chain_scoped()
Date: Fri, 08 Aug 2025 16:49:13 +0200	[thread overview]
Message-ID: <20250808-drm-bridge-alloc-getput-for_each_bridge-v2-6-edb6ee81edf1@bootlin.com> (raw)
In-Reply-To: <20250808-drm-bridge-alloc-getput-for_each_bridge-v2-0-edb6ee81edf1@bootlin.com>

Use drm_for_each_bridge_in_chain_scoped() instead of
drm_for_each_bridge_in_chain() to ensure the bridge being looped on is
refcounted.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
---
 drivers/gpu/drm/drm_bridge.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index c3bfcd735a3c426a147bf0a7427b3d2cd0df3524..c91a99b7eb1b9b1525e2d95888952f733ca6b9e0 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -1476,10 +1476,9 @@ static int encoder_bridges_show(struct seq_file *m, void *data)
 {
 	struct drm_encoder *encoder = m->private;
 	struct drm_printer p = drm_seq_file_printer(m);
-	struct drm_bridge *bridge;
 	unsigned int idx = 0;
 
-	drm_for_each_bridge_in_chain(encoder, bridge)
+	drm_for_each_bridge_in_chain_scoped(encoder, bridge)
 		drm_bridge_debugfs_show_bridge(&p, bridge, idx++);
 
 	return 0;

-- 
2.50.1


  parent reply	other threads:[~2025-08-08 14:49 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-08 14:49 [PATCH v2 0/9] drm/bridge: get/put the bridge when looping over the encoder chain Luca Ceresoli
2025-08-08 14:49 ` [PATCH v2 1/9] drm/display: bridge-connector: use scope-specific variable for the bridge pointer Luca Ceresoli
2025-08-19 13:43   ` Maxime Ripard
2025-08-08 14:49 ` [PATCH v2 2/9] drm/display: bridge-connector: remove unused variable assignment Luca Ceresoli
2025-08-19 13:43   ` Maxime Ripard
2025-08-08 14:49 ` [PATCH v2 3/9] drm/bridge: add drm_for_each_bridge_in_chain_scoped() Luca Ceresoli
2025-08-19 13:47   ` Maxime Ripard
2025-08-19 16:01     ` Luca Ceresoli
2025-08-20  9:40       ` Luca Ceresoli
2025-09-02 21:53         ` Luca Ceresoli
2025-08-08 14:49 ` [PATCH v2 4/9] drm/display: bridge-connector: use drm_for_each_bridge_in_chain_scoped() Luca Ceresoli
2025-08-08 14:49 ` [PATCH v2 5/9] drm/atomic: " Luca Ceresoli
2025-08-08 14:49 ` Luca Ceresoli [this message]
2025-08-08 14:49 ` [PATCH v2 7/9] drm/bridge: remove drm_for_each_bridge_in_chain() Luca Ceresoli
2025-08-08 14:49 ` [PATCH v2 8/9] drm/bridge: add drm_for_each_bridge_in_chain_from() Luca Ceresoli
2025-08-08 14:49 ` [PATCH v2 9/9] drm/omap: use drm_for_each_bridge_in_chain_from() Luca Ceresoli
2025-08-19 10:15 ` [PATCH v2 0/9] drm/bridge: get/put the bridge when looping over the encoder chain Luca Ceresoli

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