From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C7FEB288C2A; Thu, 10 Jul 2025 07:14:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752131648; cv=none; b=PIu+NIklWj+IsyssSXGCArlbvOMI50j7mixbCywm1BKmzOBw04HNVF8XgOrQAg5huxxB6NoVxkZeSq6gAuvQj8Vy9WcBn+g58xVcCGb80je7iM8MiEbhURpmEKPVNHxSlr4YKgInTjJrL3txKE1NDBx6FycQvFyFvK/YUw4UEos= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752131648; c=relaxed/simple; bh=5fQOMq6JhnmsvgxFUq50HdHYFmRTYxKZ4vzuLcA43T8=; h=Message-ID:Date:From:To:Subject:In-Reply-To:References:Cc; b=O5Z9w4rU2kDiI/AwlMGCZexrMr3twdzHopTShTTyIAQsNsD1UCofUp/2g2yEmqvMw7jGvqbBUGxl76Y2n19woB1M3/9tnfMZFTdmeTIT8oKCxozkOOGf1lUzVp3hU/uiTWbLLNloA5jxfvQFRI0+E/+0Q+1JIj4Ga0TqusAjtWc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PyoHTKL6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PyoHTKL6" 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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