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 8FC8420CCEA; Thu, 27 Mar 2025 13:47:10 +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=1743083230; cv=none; b=ht2fKMrvBHL23zFPlrh6KBNWMYsGNfmB/KN84oOqYjMwTBpN27CzMp75iD7FXmn0rMbP8OfJV+wu4ND+imeYpw8LNU3RlKlBF4lEcI6PW4HEjj4Oh3sDEfa0e22lAj9ALrdJI9EEizEfU+cR5D+NHdA2WMZvi1kjU6b+6jGijEs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743083230; c=relaxed/simple; bh=RF3wdOFzL4vQqrB1B0vZ2iCYv5b2RA5x1OV5kLSU3FE=; h=Message-ID:Date:From:To:Subject:In-Reply-To:References:Cc; b=bRNrZpZ+2F8i8iDlA7ZwesLxYd/Ndo7gR5U328agm3BetwtRtm1R9RdqZIvV5fqjgrJf8KDPoYFlXDYEF7+Lca6Nv0obPQztkzmfQuHD7dnHkl/DtzaOhKhYksxpl6DRUgf+QFLNIz1G7ps/+e0Swj+Aitc+VsxOicm8uRZbt5U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TRYR+wJJ; 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="TRYR+wJJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 91924C4CEDD; Thu, 27 Mar 2025 13:47:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743083230; bh=RF3wdOFzL4vQqrB1B0vZ2iCYv5b2RA5x1OV5kLSU3FE=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=TRYR+wJJTnUYnvc1ODN4B9vpFKwvFoCczHvPyqf3uyWcee9vc7G3HqduxGVF99hGj 2Anar/GswBgL04kQZ9wHQpotK+vz0ZpPE6+J7Eb/VTi2PcOmI2BZq3zNIwPhwtQdXG QbWKDgA4NBm1Wl/MModaDXner0J3IDHY/sZSU8C+1n6tLKZCMO4ElsgXDUpeelYVmE cv8Vp7Iain2yESM5cV0XyZbYHErfh63L4j48/Ex3hgmA1YRD5vqNgxkueELk2ceCHU 7vcG8O9KKTohmlyEUFTgtyiTklRJvINQ1fdoDiG+RpkeAFVVaw9+WescKG+IQ5mZKj gfYcPqQWUU29A== Message-ID: <83d859d94aeedacc2d5fb058a84bfdac@kernel.org> Date: Thu, 27 Mar 2025 13:47:07 +0000 From: "Maxime Ripard" To: "Luca Ceresoli" Subject: Re: [PATCH v9 2/5] drm/bridge: add support for refcounting In-Reply-To: <20250326-drm-bridge-refcount-v9-2-5e0661fe1f84@bootlin.com> References: <20250326-drm-bridge-refcount-v9-2-5e0661fe1f84@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 Wed, 26 Mar 2025 18:47:36 +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