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 5004B1E3DCD; Tue, 7 Oct 2025 22:10:35 +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=1759875035; cv=none; b=c6Fl6LzDrI3J8rpTkAnJxYlJKnzcCRvsOPYm+6XlsjA/xgjnSdNcybugSaiEKeGRrT7cko8Q0xITgNj67cuubB0xA82wqbONwJvkKyE2Ta5cGResckyOXowg3BPE5pYIOfS4Ls7vH32nT2i0iN5XRZaWxPj6CMBGmSuKbcbHMGw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759875035; c=relaxed/simple; bh=QAW7uD6qTbhsNZMM2sAsp3q/WD1SmcNoYl5uJPZlhHc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aY/tTwPv8D/4yRXjQgCkiPUG0IcYc1Y6UgUzUrGRelE+zP7e+yB8geVbt1s96k6fa/0a/gPKl2i+Ip0D7oDxOnyJh93PAnSDeE4HsdSXmkqf8t1ZcevLVXfb4LIonmptJ7JY2Ckcb9Aqb4OoJdbhR3UtKtR4ms9FeuMBOGm6SQc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YpOqehRD; 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="YpOqehRD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BDC07C4CEF1; Tue, 7 Oct 2025 22:10:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759875034; bh=QAW7uD6qTbhsNZMM2sAsp3q/WD1SmcNoYl5uJPZlhHc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=YpOqehRDJt0iEnS0e24rkpgTxlpSX6raj9a/EwELbkbTKa8Pec9kOTqmwVAL9xh/g 4uIcjjGiop958qtSJd9syIHJ/xM+8DYw0GH0yHD/zVq+PrDeTGfZGWXkkgskFq3yql DoqDOpSj0OsYO3+HgOAz22YRp2Y/5q2A1ca7IvU7WjG5hDLwjP9toW2AvM453HNZr4 whyUEMQWaNlpohN8OAtjZucimj3mgObQ/Vq5k7wsYRzGedqfNesCrE9juuejVz8E6h 7cIlsFlAe/HyurtAjMwmnTp3Eq2hycOzVsdSX18DdxxONqT2W+1MvYk5U8FRodklKv DIrobctswvKwg== Message-ID: <1481129e-3803-498b-bfe5-003c194f629c@kernel.org> Date: Tue, 7 Oct 2025 23:10:28 +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 v3 0/5] Introduce "non-pixel" sub node within iris video node To: Dmitry Baryshkov Cc: Bryan O'Donoghue , Charan Teja Kalla , Bryan O'Donoghue , Konrad Dybcio , Krzysztof Kozlowski , Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <7b6db4fa-2f73-376d-4eb3-64c1c7e6cda3@quicinc.com> <6840d462-8269-4359-a6e5-d154842b62db@oss.qualcomm.com> <2hh3zkdwgqbdurpr4tibr3gjat6arwl3dd3gxakdaagafwjdrm@aj5em4tbsjen> <4a32bbec-2baf-4210-a7c1-1ddcd45d30c8@oss.qualcomm.com> <4d87d1ca-55b2-426e-aa73-e3fd8c6fe7bd@kernel.org> <10a8ccda-4e27-4b06-9a0e-608d6ade5354@nxsw.ie> <4cb4a92d-2f20-47c7-881e-aadcc6f83aa0@kernel.org> From: Bryan O'Donoghue Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 07/10/2025 20:40, Dmitry Baryshkov wrote: >> Surely we could do >> >> #iommu-cells = <4>; > Because #iommu-cells is a part of the apps_smmu: device rather than a > part ofthe iris/venus/GPU/display/etc. What's to stop us extending the definition for qcom platforms ? Rather than jumping through hoops in drivers, we can just encode the data in the DT. --- bod