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 C6589CF34A1 for ; Wed, 19 Nov 2025 13:06:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type: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=1QF0ORUlNq/608kBgd0cHzHJhM8wJBt4bewg9ebnYQs=; b=D2z/rOwH4PIyyahwm6tSqxChbX GQMbrAyU3plw4JOzaaLj0TJnY2dVNphIeTMOVS8nT+JtIcC1xiOTXja+xduqeUR0GK6Raw4OmKRXe rtPuX1pSM3aL4/XX/bQxDGcoBfpAfdMlVBUg2jXgwaYA/50Fb1PQ+1j5VGUROI0VC0OgaHgWB6NAL P1BNKk81+DM0KuMicHtGcGWkgKuUoIyPbmNHNH8SeG4iaNJ26cXsOZ51BOvYHUx73UsBLR0eW2aIm KsmbnC3TRnpVbWOA7t5x5P2E07lqgo6+YdyfeyuP/W4PdirPPvuZiGVhNelai7BF6q0ygX2nz9lxB YLIxeC8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLhtU-00000003E9m-29BT; Wed, 19 Nov 2025 13:06:44 +0000 Received: from smtpout-04.galae.net ([185.171.202.116]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLhtO-00000003E5P-2bBo; Wed, 19 Nov 2025 13:06:42 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 93B6AC11188; Wed, 19 Nov 2025 13:06:14 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id C877D60720; Wed, 19 Nov 2025 13:06:36 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id B6FEF10371A55; Wed, 19 Nov 2025 14:06:25 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1763557594; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=1QF0ORUlNq/608kBgd0cHzHJhM8wJBt4bewg9ebnYQs=; b=jJfzAo686i6lqNqOaIfflAf6UcpbmCBg60iDGDaWxHCJrVaXyM12L9KHDw91jgtLj8m+oB M+G7AbJQ2s6KguUF7Dv685Uhcwjub/sEFbYt0hRktdLuiO1hD820RHZ9IvEKInk85T8ElU B/X0jex9mM7MdPDUJuON2gh1pR71OuXXcNeHTRIvHGYbe+C3IWTVXQynwH6PXaRkdbLps0 rsC4ekVLRee64N1KxSc6WtYOUAnhyivka2O4ZnfIWHfRylrIq1swpS0B4rp54dNyMOlaSI JXkz6CTCMYj/Ti0hqh6rQmNzU56cipDWx/QZiK1qAnichf8F58wlBkYWvTgosQ== From: Luca Ceresoli Date: Wed, 19 Nov 2025 14:05:35 +0100 Subject: [PATCH 04/26] drm/bridge: make of_drm_find_bridge() a wrapper of drm_of_find_bridge() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251119-drm-bridge-alloc-getput-drm_of_find_bridge-v1-4-0db98a7fe474@bootlin.com> References: <20251119-drm-bridge-alloc-getput-drm_of_find_bridge-v1-0-0db98a7fe474@bootlin.com> In-Reply-To: <20251119-drm-bridge-alloc-getput-drm_of_find_bridge-v1-0-0db98a7fe474@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 , Adrien Grassein , Laurent Pinchart , Tomi Valkeinen , Kieran Bingham , Geert Uytterhoeven , Magnus Damm , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Anitha Chrisanthus , Edmund Dea , Inki Dae , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar 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-renesas-soc@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-samsung-soc@vger.kernel.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-20251119_050638_842856_2772E1F0 X-CRM114-Status: GOOD ( 13.15 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org of_drm_find_bridge() is identical to drm_of_find_bridge() except it does not increment the refcount. Rewrite it as a wrapper and put the bridge being returned so the behaviour is still the same. Signed-off-by: Luca Ceresoli --- drivers/gpu/drm/drm_bridge.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 6debbf20aaa8..09ad825f9cb8 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -1460,19 +1460,11 @@ EXPORT_SYMBOL(drm_of_find_bridge); */ struct drm_bridge *of_drm_find_bridge(struct device_node *np) { - struct drm_bridge *bridge; - - mutex_lock(&bridge_lock); + struct drm_bridge *bridge = drm_of_find_bridge(np); - list_for_each_entry(bridge, &bridge_list, list) { - if (bridge->of_node == np) { - mutex_unlock(&bridge_lock); - return bridge; - } - } + drm_bridge_put(bridge); - mutex_unlock(&bridge_lock); - return NULL; + return bridge; } EXPORT_SYMBOL(of_drm_find_bridge); #endif -- 2.51.1