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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A7FBCC36000 for ; Fri, 21 Mar 2025 18:23:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VT3j5ia3YM4BM/xg+Fw4hf8d8cAPlpEijn+7bl03zsE=; b=hSA4pHmbmLW1p8jcm1dwMD+/83 npQPlNl2/vFEBguifYtaDXvh7UurJ6zTjqgVKcG+e+b5bkFU1L6fdzcOGh+cQRA6nauUI+viVPxP5 jJS7eX/O6r29e82DYw7tVKb9FlpSYrvFkq7WfjtI3pPNOiP4JWj39Guez5FXJiJhh0DPqecDLRYT+ mWQafoU4Wg6HmywByYonko5cnLdvn7UT9IX8wx3Ku1KSQlad7bigQZafIYGEzk5jGiursuLXvfr+E aFJG+uYUL80DiU0bVxYNqmJPuzZPIiMaYsIW/eBtMjDkPyMgL8OVepBKEMI5jpFyVHQ9jtgSz9/bu twZ5NEig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tvh1k-0000000Fpw9-250G; Fri, 21 Mar 2025 18:23:28 +0000 Received: from relay1-d.mail.gandi.net ([2001:4b98:dc4:8::221]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tvh02-0000000FpYN-3UDZ for linux-arm-kernel@lists.infradead.org; Fri, 21 Mar 2025 18:21:44 +0000 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) 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250321_112143_177449_B82F4C08 X-CRM114-Status: GOOD ( 12.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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