linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
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>,  Liu Ying <victor.liu@nxp.com>,
	Shawn Guo <shawnguo@kernel.org>,
	 Sascha Hauer <s.hauer@pengutronix.de>,
	 Pengutronix Kernel Team <kernel@pengutronix.de>,
	 Fabio Estevam <festevam@gmail.com>,
	 Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
	 Philipp Zabel <p.zabel@pengutronix.de>
Cc: Hui Pu <Hui.Pu@gehealthcare.com>,
	 Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	 linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	 imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	 Luca Ceresoli <luca.ceresoli@bootlin.com>
Subject: [PATCH 6/9] drm/display: bridge_connector: use drm_bridge_is_last()
Date: Wed, 09 Jul 2025 18:48:05 +0200	[thread overview]
Message-ID: <20250709-drm-bridge-alloc-getput-drm_bridge_get_next_bridge-v1-6-48920b9cf369@bootlin.com> (raw)
In-Reply-To: <20250709-drm-bridge-alloc-getput-drm_bridge_get_next_bridge-v1-0-48920b9cf369@bootlin.com>

Simplify code to know whether a bridge is the last in the chain by using
drm_bridge_is_last().

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
---
 drivers/gpu/drm/display/drm_bridge_connector.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c
index 6cdb432dbc3004f88988883a37c2486c409ea932..842561d7b3fd5b833b97edc299c4a6d81b2a7168 100644
--- a/drivers/gpu/drm/display/drm_bridge_connector.c
+++ b/drivers/gpu/drm/display/drm_bridge_connector.c
@@ -749,12 +749,11 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm,
 				return ERR_PTR(-EINVAL);
 		}
 
-		if (!drm_bridge_get_next_bridge(bridge))
+		if (drm_bridge_is_last(bridge))
 			connector_type = bridge->type;
 
 #ifdef CONFIG_OF
-		if (!drm_bridge_get_next_bridge(bridge) &&
-		    bridge->of_node)
+		if (drm_bridge_is_last(bridge) && bridge->of_node)
 			connector->fwnode = fwnode_handle_get(of_fwnode_handle(bridge->of_node));
 #endif
 

-- 
2.50.0



  parent reply	other threads:[~2025-07-09 21:58 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-09 16:47 [PATCH 0/9] drm/bridge: get/put the bridge returned by drm_bridge_get_last_bridge() Luca Ceresoli
2025-07-09 16:48 ` [PATCH 1/9] list: add list_last_entry_or_null() Luca Ceresoli
2025-07-09 16:48 ` [PATCH 2/9] drm/bridge: add drm_bridge_chain_get_last_bridge() Luca Ceresoli
2025-07-10  7:11   ` Maxime Ripard
2025-07-09 16:48 ` [PATCH 3/9] drm/bridge: imx93-mipi-dsi: use drm_bridge_chain_get_last_bridge() Luca Ceresoli
2025-07-10  7:13   ` Maxime Ripard
2025-07-09 16:48 ` [PATCH 4/9] drm/omapdrm: " Luca Ceresoli
2025-07-10  7:13   ` Maxime Ripard
2025-07-14 10:32     ` Luca Ceresoli
2025-07-25 14:15       ` Maxime Ripard
2025-08-01 17:06         ` Luca Ceresoli
2025-07-09 16:48 ` [PATCH 5/9] drm/bridge: add drm_bridge_is_last() Luca Ceresoli
2025-07-10  7:14   ` Maxime Ripard
2025-07-09 16:48 ` Luca Ceresoli [this message]
2025-07-10  7:14   ` [PATCH 6/9] drm/display: bridge_connector: use drm_bridge_is_last() Maxime Ripard
2025-07-09 16:48 ` [PATCH 7/9] drm/bridge: get the bridge returned by drm_bridge_get_next_bridge() Luca Ceresoli
2025-07-10  7:14   ` Maxime Ripard
2025-07-09 16:48 ` [PATCH 8/9] drm/bridge: put " Luca Ceresoli
2025-07-10  7:27   ` Maxime Ripard
2025-07-14 10:08     ` Luca Ceresoli
2025-07-09 16:48 ` [PATCH 9/9] drm/imx: parallel-display: " Luca Ceresoli
2025-07-10  7:28   ` Maxime Ripard

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250709-drm-bridge-alloc-getput-drm_bridge_get_next_bridge-v1-6-48920b9cf369@bootlin.com \
    --to=luca.ceresoli@bootlin.com \
    --cc=Hui.Pu@gehealthcare.com \
    --cc=Laurent.pinchart@ideasonboard.com \
    --cc=airlied@gmail.com \
    --cc=andrzej.hajda@intel.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=festevam@gmail.com \
    --cc=imx@lists.linux.dev \
    --cc=jernej.skrabec@gmail.com \
    --cc=jonas@kwiboo.se \
    --cc=kernel@pengutronix.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=maarten.lankhorst@linux.intel.com \
    --cc=mripard@kernel.org \
    --cc=neil.armstrong@linaro.org \
    --cc=p.zabel@pengutronix.de \
    --cc=rfoss@kernel.org \
    --cc=s.hauer@pengutronix.de \
    --cc=shawnguo@kernel.org \
    --cc=simona@ffwll.ch \
    --cc=thomas.petazzoni@bootlin.com \
    --cc=tomi.valkeinen@ideasonboard.com \
    --cc=tzimmermann@suse.de \
    --cc=victor.liu@nxp.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).