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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 017C7C83F1A for ; Thu, 10 Jul 2025 07:14:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7420310E888; Thu, 10 Jul 2025 07:14:10 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="PyoHTKL6"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id 85EC310E888 for ; Thu, 10 Jul 2025 07:14:09 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 9466E6146A; Thu, 10 Jul 2025 07:14:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7351C4CEF6; Thu, 10 Jul 2025 07:14:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752131648; bh=5fQOMq6JhnmsvgxFUq50HdHYFmRTYxKZ4vzuLcA43T8=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=PyoHTKL6leJ/3r46CMvcb9x3yEkmOgmD0iPkLzmdxI8nr11KCQmcZjZnyHeLlCgUY T9RyJxG1XNbav/TcKr39X//7FmHctBpGz5p4/57EpAaCZEzi1lqiyoXEkXzqXlg4MZ jfWweMXOlVzX7SU2fpK8iqmglVC9892dJUWkIrRe5DEX39IFmxBNi+RbhO5nSglO0K A7Tg1Fclz9vB/gB5T2fBHd1Hv1hqfE6PO+ZBfKdczCmdH7XZSrTj3TqKtvCr8BCm08 vbfPmauCLRQAe4yQhJsjHeubM2HPPsnjkGUQuH/i/l2wLF+NbgnUIf90BtecgLVQBe 4VdKBFc6Shl5Q== Message-ID: Date: Thu, 10 Jul 2025 07:14:05 +0000 From: "Maxime Ripard" To: "Luca Ceresoli" Subject: Re: [PATCH 5/9] drm/bridge: add drm_bridge_is_last() In-Reply-To: <20250709-drm-bridge-alloc-getput-drm_bridge_get_next_bridge-v1-5-48920b9cf369@bootlin.com> References: <20250709-drm-bridge-alloc-getput-drm_bridge_get_next_bridge-v1-5-48920b9cf369@bootlin.com> Cc: dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Andrzej Hajda" , "David Airlie" , "Fabio Estevam" , "Hui Pu" , "Jernej Skrabec" , "Jonas Karlman" , "Laurent Pinchart" , "Liu Ying" , "Maarten Lankhorst" , "Maxime Ripard" , "Neil Armstrong" , "Pengutronix Kernel Team" , "Philipp Zabel" , "Robert Foss" , "Sascha Hauer" , "Shawn Guo" , "Simona Vetter" , "Thomas Petazzoni" , "Thomas Zimmermann" , "Tomi Valkeinen" Content-Transfer-Encoding: quoted-printable X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, 9 Jul 2025 18:48:04 +0200, Luca Ceresoli wrote: > Some code needing to know whether a bridge is the last in a chain current= ly > call drm_bridge_get_next_bridge(). However drm_bridge_get_next_bridge() > will soon increment the refcount of the returned bridge, which would make > such code more annoying to write. >=20 >=20 > [ ... ] Reviewed-by: Maxime Ripard Thanks! Maxime