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 09D5CCF34AB for ; Wed, 19 Nov 2025 13:06:36 +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=U5pSp1vPWfg6VVqrqrSp3mxOttgley4fq02+zPb9SPE=; b=Sz/tPde6O/a9VuUdvnqEJiJkGM 7AQ4NNqNm2F0hlPfZKOXkLg5OZT2oXIuZGqsu0veWLtfY+HIf/tl2oC5gMfapjtHwzU+nNE8NdqPS 9aQY3QFCVgMAlDmKh5qUGWPncH5wckmOfIHbrylcxv9oUb/lUluMVJOM/sliOTI/fvtX9jmHJa8Vv yjycr6nt8DNcrNT96/0WodF7wfd1c+7tTT7MFvsYA3MBt/conljdYmxChqNLlCNmp05ro1pi8RQmL TO5znLYvDC8OAuSvXrhr6L7RoTCZqKNN+HeqB8hh18XzByE4OMBBCtCaWKYvwZ5wDRWIZj3kfwNkp cDazAzWg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLhtL-00000003E3e-0gNb; Wed, 19 Nov 2025 13:06:35 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLhtF-00000003E00-0LJI; Wed, 19 Nov 2025 13:06:31 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 8059E1A1BDA; Wed, 19 Nov 2025 13:06:27 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 4885260720; Wed, 19 Nov 2025 13:06:27 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 9625410371A4D; Wed, 19 Nov 2025 14:06:16 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1763557584; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=U5pSp1vPWfg6VVqrqrSp3mxOttgley4fq02+zPb9SPE=; b=bFcA+TR6jEG5qm9LQ9GiqfHt1lqV/lld+li8AOuv98I2mxB/Moe4o/Qc1HDGOBV4ufX4MZ NKb5vGxeI5/5fCmp4TSXS9/h2xnyzlwlxO3mm3Qr4/0DC3Ysk3r/siQxkCIL7CVzCgDsg8 6y5bRL++49tf86mgGirblyly0TJLFRC5f/Ht8qoDIEXFqvSX/+fOwFJ7nvTebCXdOq2skV ovYfRDxHpTkSa5h4hLUBzKohE7UgHX/0TnirrywxaN3V+A8R8c/s34HbyZ8PovJIfzWZZa ahSxa4pU6pIwQG7dSheA4Bc+vyy6Z4uGaSY5dk2xEI2DA3F8pxsGqulwwk86Ug== From: Luca Ceresoli Date: Wed, 19 Nov 2025 14:05:34 +0100 Subject: [PATCH 03/26] drm/todo: add entry about converting to 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-v1-3-0db98a7fe474@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_050629_755059_208C2F62 X-CRM114-Status: GOOD ( 11.05 ) 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 deprecated, but converting some users is very complex and should be reasonably doable only after the DRM panel bridge lifetime rework. Add a TODO to track this. Suggested-by: Maxime Ripard Link: https://lore.kernel.org/dri-devel/20250319-stylish-lime-mongoose-0a18ad@houat/ Signed-off-by: Luca Ceresoli --- Documentation/gpu/todo.rst | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 9013ced318cb..1a4a11dee036 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -506,6 +506,22 @@ Contact: Maxime Ripard , Level: Intermediate +Convert users of of_drm_find_bridge() to drm_of_find_bridge() +------------------------------------------------------------- + +Taking a struct drm_bridge pointer requires getting a reference and putting +it after disposing of the pointer. Most functions returning a struct +drm_bridge pointer already call drm_bridge_get() to increment the refcount +and their users have been updated to call drm_bridge_put() when +appropriate. of_drm_find_bridge() does not get a reference and it has been +deprecated in favor of drm_of_find_bridge() which does, but some users +still need to be converted. + +Contact: Maxime Ripard , + Luca Ceresoli + +Level: Intermediate + Core refactorings ================= -- 2.51.1