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 8F9F233F6; Fri, 21 Mar 2025 09:54:58 +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=1742550898; cv=none; b=jjifCToDEl8sVJ4TJ0W02rKai4eaHRRw5jjZ5dDELHyN0yrQngGzz8hY6LVTZ87fx6FMrXJrrkrBlYlxvRb5Nf1Zx2dvH9pYRNJLzzDnDqeRzepgs2EVrxEPS1SNNhVhQdLd4SXAbrW2wO7uuR6XGDb4V8we4C2yMqZSlR+xKa4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742550898; c=relaxed/simple; bh=TC3r2kF6h1DguPsHjjEeqn2dDugjdFWL1T8eZNZFK7U=; h=Message-ID:Date:From:To:Subject:In-Reply-To:References:Cc; b=Z62wdgkPQadIk5tTffVYRkvcbvC9AJMwfW1P+GfcrbOtawymYeWAHViiv0Gb04p0LQF/rka3iCJ9WRWP4ERik0OQx/tRK1Tswjo7v1Z85Is1Lmy9w9TE+BRFYEyc+ER1viVUzXfjO2ZnCPVnk32MQUWR0bFyuTO88OF2gFz7AH4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=G92hIB2X; 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="G92hIB2X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92F7FC4CEE3; Fri, 21 Mar 2025 09:54:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742550898; bh=TC3r2kF6h1DguPsHjjEeqn2dDugjdFWL1T8eZNZFK7U=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=G92hIB2X8Wwiys82uVSEu8Uj+jPevWW5gsMb3/Ub2Aj+nRnnmXcl2CCx9MQi6BPJj mVImTQqhYbsPkD8BIiI647oQtRIjVeHMufD3xer3lpfyCgJvyOyvoA/LP1Z8Gc/730 abkxD1wnAEeW/wtqcCXh6SBggwAU2VRmsIZnWlbDrR3IeIyg6H887iljJ0ETRiHCpq 0b7ce4aBeogQ+Qu1l+s9eel6AM6qEmh+MiJdXqDZEkYNfBhHZXy+ePNgEogfq8WGUQ SAAXeQIazO4EvxYj7Ac0E9uVNt8MSooPVFDswe5s8iP+dyQ3zVCYVUAUfxqscGyowc 1HawfIyP4nC1Q== Message-ID: <400466cd3c229ea6c6cb25e2a58cee27@kernel.org> Date: Fri, 21 Mar 2025 09:54:55 +0000 From: "Maxime Ripard" To: "Luca Ceresoli" Subject: Re: [PATCH v8 2/5] drm/bridge: add support for refcounting In-Reply-To: <20250320-drm-bridge-refcount-v8-2-b3ddaa9f1368@bootlin.com> References: <20250320-drm-bridge-refcount-v8-2-b3ddaa9f1368@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" , "Anusha Srivatsa" , "David Airlie" , "Dmitry Baryshkov" , "Fabio Estevam" , =?utf-8?b?SGVydsOpIENvZGluYQ==?= , "Hui Pu" , "Inki Dae" , "Jagan Teki" , "Jernej Skrabec" , "Jonas Karlman" , "Laurent Pinchart" , "Maarten Lankhorst" , "Marek Szyprowski" , "Marek Vasut" , "Maxime Ripard" , "Neil Armstrong" , "Paul Kocialkowski" , "Pengutronix Kernel Team" , "Robert Foss" , "Sascha Hauer" , "Shawn Guo" , "Simona Vetter" , "Stefan Agner" , "Thomas Petazzoni" , "Thomas Zimmermann" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: On Thu, 20 Mar 2025 16:42:11 +0100, Luca Ceresoli wrote: > DRM bridges are currently considered as a fixed element of a DRM card, and > thus their lifetime is assumed to extend for as long as the card > exists. New use cases, such as hot-pluggable hardware with video bridges, > require DRM bridges to be added to and removed from a DRM card without > tearing the card down. This is possible for connectors already (used by DP >=20 > [ ... ] Reviewed-by: Maxime Ripard Thanks! Maxime