From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9CEC3D609D7 for ; Tue, 16 Dec 2025 18:00:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=H5tmgUgOiFT6XZq/maXAoY7rflzEM48YbYSKvuSJRXU=; b=o38GHlL1M0HoKv oAbLFeTq2ObYzqQ/V2jCUJ0SxNLgZo+8yXTJUMn0DyYGtSDCt1hxbxIb7JybLBSqc5x+nZrxO1aUd YJM51hMbTSAgjTSO0hAAABoRoBa0xwWnHTVDMjA90ubYlWA68PQ3Blcz03Ql9rRybtcRwqO/JrDpu yb/ag9EuXL8BH7n5967yhFMlAHnjToq/nLTXr94Im9KAa4oMxs5MUzDnN8iWWvAwxC1rZY0jP7iry CwVIgra9J2Dlm87k22/8cpZoO9OVP1pAzHVSylDJiL45OHvRN3Ki3MGBgpUCX7PYuLgeXwpnOLbA/ rIUuMqt+w/2wup6bp06g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vVZL4-00000005e6W-3kIt; Tue, 16 Dec 2025 17:59:58 +0000 Received: from smtpout-03.galae.net ([185.246.85.4]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vVZL2-00000005e29-2m29; Tue, 16 Dec 2025 17:59:58 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id E28754E41C34; Tue, 16 Dec 2025 17:59:54 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id B6D5A6072F; Tue, 16 Dec 2025 17:59:54 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 3A5C2119A97E8; Tue, 16 Dec 2025 18:59:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1765907991; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=w07+z7x1px2/5P0sD/KMZgJOKOJk0feHbjhM11jcOSE=; b=Yj4JB5QjxEBsSUUmh/Tyl7o/8qHKSKegodrvvuWZHLUQhO4pBv/ziIOd/jn42KqNj0Mycc JHcGScdowUu9Fs3i3vJr1S8XYxhw8//xtQMQCT4v5qnlzyoXA+HjZgORReIbup5bUbmnwV S2FEN9KrdPMPEUIa5ymnnAMic/E11FQ7McV1OH0CrGamPVt6fmx/kQRD4uJ31xZ8jqd9Di Z4GpR3XfSHYlSlz8V5hBiSz98f2Q9Vd3tK3P4VNdz6KoMsqiSVyjVixpGOV381uuKSKAcl HpblAmiTtrxMovBRTbvqomw+dJeYXiixSn5PvTwMevz0psjPxrbf2xMgFEn80w== From: Luca Ceresoli Date: Tue, 16 Dec 2025 18:58:40 +0100 Subject: [PATCH v3 07/22] drm/bridge: ite-it66121: get/put the next bridge MIME-Version: 1.0 Message-Id: <20251216-drm-bridge-alloc-getput-drm_of_find_bridge-v3-7-b5165fab8058@bootlin.com> References: <20251216-drm-bridge-alloc-getput-drm_of_find_bridge-v3-0-b5165fab8058@bootlin.com> In-Reply-To: <20251216-drm-bridge-alloc-getput-drm_of_find_bridge-v3-0-b5165fab8058@bootlin.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jonathan Corbet , Alexey Brodkin , Phong LE , Liu Ying , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: Hui Pu , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, Luca Ceresoli X-Mailer: b4 0.14.3 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251216_095956_883651_F86EC6F3 X-CRM114-Status: GOOD ( 11.75 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org This driver obtains a bridge pointer from of_drm_find_bridge() in the probe function and stores it until driver removal. of_drm_find_bridge() is deprecated. Move to of_drm_find_and_get_bridge() for the bridge to be refcounted and use bridge->next_bridge to put the reference on deallocation. Signed-off-by: Luca Ceresoli --- drivers/gpu/drm/bridge/ite-it66121.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c index 0185f61e6e59..9246e9c15a6e 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -298,7 +298,6 @@ struct it66121_chip_info { struct it66121_ctx { struct regmap *regmap; struct drm_bridge bridge; - struct drm_bridge *next_bridge; struct drm_connector *connector; struct device *dev; struct gpio_desc *gpio_reset; @@ -596,7 +595,7 @@ static int it66121_bridge_attach(struct drm_bridge *bridge, if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) return -EINVAL; - ret = drm_bridge_attach(encoder, ctx->next_bridge, bridge, flags); + ret = drm_bridge_attach(encoder, ctx->bridge.next_bridge, bridge, flags); if (ret) return ret; @@ -1543,9 +1542,9 @@ static int it66121_probe(struct i2c_client *client) return -EINVAL; } - ctx->next_bridge = of_drm_find_bridge(ep); + ctx->bridge.next_bridge = of_drm_find_and_get_bridge(ep); of_node_put(ep); - if (!ctx->next_bridge) { + if (!ctx->bridge.next_bridge) { dev_dbg(ctx->dev, "Next bridge not found, deferring probe\n"); return -EPROBE_DEFER; } -- 2.52.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic