From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) (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 7AEA322F3B8 for ; Fri, 21 Mar 2025 18:21:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.193 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742581307; cv=none; b=PUIxsFUPgmQByGOmD0gsnUIZMfCfdqdyG4EqZjHQH6hzOMao9Wi9g3MipE2WhAurQHkmUW1oF12h5hSBfkiw4gXpn7lmJBZMm4tx8pv+VPfnlA4gALvoGejR86fxWVZN+FaIa/eT02swlgNUQnKYEFH6Q5JcR2qHb/27JBj2eQA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742581307; c=relaxed/simple; bh=pwPdibPJQed9NnbhGERtZINYpVjrQKL+yWaUc0BWwYk=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Ct9yjbVffyhpglz5VEkPrqLTQpF5ejWztST//0mw1urvfdbrlEM2ghYzycg5f6gGyY/6eDnMMCmGfCz38sffDrVzQbega5U81tqqzGLFTyaK85yQLSidWC1xD6BVX7oA7jDWfyP27EJeXnjhjd7G1bxxmQzLE08byPkw5bTynRU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=M2+aLmXC; arc=none smtp.client-ip=217.70.183.193 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="M2+aLmXC" Received: by mail.gandi.net (Postfix) with ESMTPSA id 8B82C4439E; Fri, 21 Mar 2025 18:21:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1742581298; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VT3j5ia3YM4BM/xg+Fw4hf8d8cAPlpEijn+7bl03zsE=; b=M2+aLmXCuAkAtEzK22T1y229k0Hx/fEcdMCuVydJ1io66hFVPtiOn7GBAwEYaUnyhjxC94 ICATURZtPDmh1DBptvQBie4GII1Pm7bGnMArOcVEhyHMLfO4ZtUjzrVAzlXBmLaMCSQJ2o v0QxoN+dfKbAxbDnacFwsJVtWQlxGKo8R8MnuogRDC52wuk3izUBlzY9ufJLExiD6tlnKM k7rbUwm2fL8rKxFOLoxjROHPAz5M5QHE7vXqivbMecIsaf6TpBAaFZ10mpgP3P7z/SWpQB MHkfpgxw9FAok9ZSgsZYepow4fZBN6nB79LgrwrwqCk9UkR+nfFWiaV9ElT8qw== Date: Fri, 21 Mar 2025 19:21:32 +0100 From: Luca Ceresoli To: "Maxime Ripard" 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?SGVydsOp?= Codina , "Hui Pu" , "Inki Dae" , "Jagan Teki" , "Jernej Skrabec" , "Jonas Karlman" , "Laurent Pinchart" , "Maarten Lankhorst" , "Marek Szyprowski" , "Marek Vasut" , "Neil Armstrong" , "Paul Kocialkowski" , "Pengutronix Kernel Team" , "Robert Foss" , "Sascha Hauer" , "Shawn Guo" , "Simona Vetter" , "Stefan Agner" , "Thomas Petazzoni" , "Thomas Zimmermann" Subject: Re: [PATCH v8 2/5] drm/bridge: add support for refcounting Message-ID: <20250321192132.211893ec@booty> In-Reply-To: <400466cd3c229ea6c6cb25e2a58cee27@kernel.org> References: <20250320-drm-bridge-refcount-v8-2-b3ddaa9f1368@bootlin.com> <400466cd3c229ea6c6cb25e2a58cee27@kernel.org> Organization: Bootlin X-Mailer: Claws Mail 4.3.1 (GTK 3.24.43; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdduhedukedtucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpeffhffvvefukfgjfhhoofggtgfgsehtjeertdertddvnecuhfhrohhmpefnuhgtrgcuvegvrhgvshholhhiuceolhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepgeelffefgfehhfdtvdefueefieevkefggfelkeeiudetkeektedvhedukefgvddvnecuffhomhgrihhnpegsohhothhlihhnrdgtohhmnecukfhppedvtddtudemsgdtjeemieegieelmegtieguieemgegtudelmeeffeekvgemjegvjegvmegttdejudenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvtddtudemsgdtjeemieegieelmegtieguieemgegtudelmeeffeekvgemjegvjegvmegttdejuddphhgvlhhopegsohhothihpdhmrghilhhfrhhomheplhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepfedtpdhrtghpthhtohepmhhrihhprghrugeskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepughrihdquggvvhgvlheslhhishhtshdrfhhrvggvuggvshhkthhophdrohhrghdprhgtphhtthhopehimhigsehlihhsthhsr dhlihhnuhigrdguvghvpdhrtghpthhtoheplhhinhhugidqrghrmhdqkhgvrhhnvghlsehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheprghnughriigvjhdrhhgrjhgurgesihhnthgvlhdrtghomhdprhgtphhtthhopegrshhrihhvrghtshesrhgvughhrghtrdgtohhmpdhrtghpthhtoheprghirhhlihgvugesghhmrghilhdrtghomh X-GND-Sasl: luca.ceresoli@bootlin.com Hello Maxime, On Fri, 21 Mar 2025 09:54:55 +0000 "Maxime Ripard" wrote: > 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 > > > > [ ... ] > > Reviewed-by: Maxime Ripard Thanks a lot for reviewing! I noticed you haven't replied on patch 3. Being a change you had suggested, I was wondering whether haven't noticed that. If you are OK with that patch, the entire series would have a R-by, which would be great to unlock all the work depending on this series. Luca -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com