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 041EC374E46; Mon, 9 Mar 2026 09:11:57 +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=1773047518; cv=none; b=r6noyra+G+CjHQGRxj9ZtgraTmGS9meF+WQT2eutUBc0zL2z7smYti9kchf10z4YXArOPv2uUd39JFMkNoqQauXtbitcpF1VMv8r3PdeMsI7erTCNgTuymX2wPC8dkF3sQVs4VbJctgykhb/tDzaOt2g1mJdOJkEZ4FPoY3XuEU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773047518; c=relaxed/simple; bh=iPr4qYp3dfzXiyECcKtCMgP1dliTtDzwJPDCs64lnOY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=GHF/qvGJ0GqggBF3jcKgzM4zNyNOg8GKJC9roDT0B741mW40pm0oIIa2plqb9YfXEEF9BvTwCDsJRCEAHhZXthabYZd/zZ1U7BGc/dy7DGyuDAH/msaNIXILeEvksLZ6ZRuAlAVZ1cyWuPjnlWF6JDmlq6je+n4/l5Ll6qowK8Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AFC0alUa; 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="AFC0alUa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50ED7C19423; Mon, 9 Mar 2026 09:11:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773047517; bh=iPr4qYp3dfzXiyECcKtCMgP1dliTtDzwJPDCs64lnOY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=AFC0alUaCdCnqlz226lExP6EPryHCG56DVHb9zr6A+UoSDFWg89tOZ/JcJZCUMY4U QVf/d2labC8kKQKngkPOdsF/Ig5cuG8roe1m8Qq0q5LMFw/20L4fnHp0q6MBxeG2aL fnfl4igTnIF3tma2yJNtYHBmuT3fIfUmW6d/qAO+yTWzq2iqG86Qy5Bcs7jbDTJqBJ EjZvL3JVUhiSFzBpmMaTkpEVFJh5AmH/rzULkWLTVmaR0XHzF6FpplI+cHhHrzgr3T KrjPTxA9cs3+TDds5py3gZV4Te9LuhPBT0nMa65tS8CueeZOpvq3OhGCTYAMb0KDm6 fWs4asSzzXKjQ== Message-ID: <3b70ccee-98e0-4894-945c-1572cc971ab3@kernel.org> Date: Mon, 9 Mar 2026 10:11:52 +0100 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/4] arm64: defconfig: enable designware mipi csi-2 receiver To: Michael Riesch Cc: Mauro Carvalho Chehab , Sakari Ailus , Laurent Pinchart , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Kever Yang , Collabora Kernel Team , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260305-rk3588-csi2rx-v1-0-0cd8d2bf28c0@collabora.com> <20260305-rk3588-csi2rx-v1-4-0cd8d2bf28c0@collabora.com> <20260307-majestic-otter-of-contentment-eeba71@quoll> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 09/03/2026 10:02, Michael Riesch wrote: > Hi Krzysztof, > > On 3/7/26 16:34, Krzysztof Kozlowski wrote: >> On Fri, Mar 06, 2026 at 03:09:51PM +0100, Michael Riesch wrote: >>> The Synopsys DesignWare MIPI CSI-2 Receiver is integrated into >>> recent Rockchip SoCs, such as the RK3568 and the RK3588. >> >> ... and used on boards foo bar. > > foo bar = pretty much any recent board with a Rockchip SoC on it... > (plus NXP users, as there is a series by Frank in the works) > >> >> (becuse we take defconfig for boards, not for SoCs - if there is no >> single board using it, then it should not be enabled because it means >> you do it for downstream which simply does not exist for us). > > ... but there is not yet a mainline example. Next item on my TODO list Then why do we want it in the mainline? Answer: there is no reason. We do not support downstream setups with mainline defconfigs. > is to send out basic RK3588 VICAP support including the device tree bits > for the Radxa ROCK 5B+ plus camera modules. Should I include the patch > in that series? Or wait until that series has been accepted? Or will you > just take my word for it that there will be plenty of boards using that > receiver in near future? Best regards, Krzysztof