From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 60DD53CEB99 for ; Mon, 13 Apr 2026 13:59:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776088759; cv=none; b=FCOWEp0mAJXMGaR6EwSkIIoyJMRbZNWc7Zlb6UK9RyK5/o07R92TftoF3iaKHnunPr4zd7zZSucjfZfjeVNM3QdCp/MPYXNc8m6WlOqmUMwVhucBzaMpFrSvyLhVGG+YIcOTyfgmmhlwVFrm1MxmiTJAuBSTJLuf+hOYh5Q85Gc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776088759; c=relaxed/simple; bh=gieE71GlvCRwsI+A0JtST4Sl0N96/Y08cY6Xtzsx1Rk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=E+0gsBwbiPdGvJmVqvJfnMxVfND3E3rCMJKZkE7NKaPzmtucRK6v6FmGGGmPf0lMjnMlEDyQgG+n11g8aA0ROxMA0sWOhXtctnUVEyy6U1SAZMC5wpvpnbCO4n85tkjn67sfyuKig7xSwmtdwm1Tr7idmSG+GHA2F5HTJM74wLc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=Vkuq8VsD; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="Vkuq8VsD" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id EEE474E42977; Mon, 13 Apr 2026 13:59:16 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id BCAF15FFB9; Mon, 13 Apr 2026 13:59:16 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 8B8C1104513DF; Mon, 13 Apr 2026 15:59:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1776088754; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=I/uO96Rr3tKxwsuoLDCRBHX8aNlKyL9xUuUhRjLmqu4=; b=Vkuq8VsDIcVs0Mduv36yWY8vjJHKU9KQpCScZCTQg0ruiKWVh7fzTqZ9qV2q3SFTyStWfO Sst1CPNF6aGqEIntpfDlaqRE8AlyIoW+jCt0qzkySiEpZp15WDfbEoztRWkVacV+npXLsY I14yhgJTOYIpUUL+MOkd5/SiW8YmvFkyY0J0tfq7wD7V0VNn+mjYoo9XtcbatCBOyHMBlB EPh45HfR5pxGQvUJmwqAxydEru5gT4MrBfsdURwpA4aRReBcqPyrP5GjQF3hjk81Ipx5S4 HmWR4LuufaQ8t5gUjj2d71isPQ/8wAzs6vFImdt12chDHIhUh4KivuStyt1vnA== From: Luca Ceresoli Date: Mon, 13 Apr 2026 15:58:38 +0200 Subject: [PATCH 06/10] drm/bridge: lt9611: switch to of_drm_get_bridge_by_endpoint() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260413-drm-bridge-alloc-getput-panel_or_bridge-v1-6-acd01cd79a1f@bootlin.com> References: <20260413-drm-bridge-alloc-getput-panel_or_bridge-v1-0-acd01cd79a1f@bootlin.com> In-Reply-To: <20260413-drm-bridge-alloc-getput-panel_or_bridge-v1-0-acd01cd79a1f@bootlin.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Xinliang Liu , Tian Tao , Xinwei Kong , Sumit Semwal , Yongqin Liu , John Stultz , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Tomi Valkeinen , Michal Simek Cc: Hui Pu , Ian Ray , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Luca Ceresoli X-Mailer: b4 0.15.1 X-Last-TLS-Session-Version: TLSv1.3 This driver calls drm_of_find_panel_or_bridge() with a NULL pointer in the @panel parameter, thus using a reduced feature set of that function. Replace this call with the simpler of_drm_get_bridge_by_endpoint(). Since of_drm_get_bridge_by_endpoint() increases the refcount of the returned bridge, ensure it is put on removal. To achieve this, instead of adding an explicit drm_bridge_put(), migrate to the bridge::next_bridge pointer which is automatically put when the bridge is eventually freed. Signed-off-by: Luca Ceresoli --- drivers/gpu/drm/bridge/lontium-lt9611.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index 4517aee83332..6aeaf248d7fe 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c @@ -37,7 +37,6 @@ struct lt9611 { struct device *dev; struct drm_bridge bridge; - struct drm_bridge *next_bridge; struct regmap *regmap; @@ -761,7 +760,7 @@ static int lt9611_bridge_attach(struct drm_bridge *bridge, { struct lt9611 *lt9611 = bridge_to_lt9611(bridge); - return drm_bridge_attach(encoder, lt9611->next_bridge, + return drm_bridge_attach(encoder, lt9611->bridge.next_bridge, bridge, flags); } @@ -1058,7 +1057,7 @@ static int lt9611_parse_dt(struct device *dev, lt9611->ac_mode = of_property_read_bool(dev->of_node, "lt,ac-mode"); - return drm_of_find_panel_or_bridge(dev->of_node, 2, -1, NULL, <9611->next_bridge); + return of_drm_get_bridge_by_endpoint(dev->of_node, 2, -1, <9611->bridge.next_bridge); } static int lt9611_gpio_init(struct lt9611 *lt9611) -- 2.53.0