From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 55318175D54 for ; Sat, 2 Nov 2024 11:38:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730547529; cv=none; b=a5+z4Z7CovMjcVQub2SeyuDMJM2lweyMj7UUo26ZKQ0U/ubJ65wYxyOit+lZis9Ze+t1zsl6ELMffBH9ckeE11T1Zq3idL/lgQIFh06dHjJDdr7PutI0s9/kAffs7kpRMzNFfGiFGEeUQTBIrkwbNEwvlbqEsvVRmPkv/HnTj+4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730547529; c=relaxed/simple; bh=2dIcYHUHHSHUxXdvGjqFxwDG3pY4LGa9o4b9agNpjm0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=l47dh+kXrJrfhVwRo90oDY2Vw/pLVO/qsdMp/S6SKFIEanpbDv/VJNDZZZkpkDn6mDRBYpxD5UMUa+9CX0jCrbNL1SRON87E+SnqU3C+PpV66ay0HnzEzTRS74cFKBk2jvFK+FL/6lwGQNdafEGNkL0OK4mYlIz30KNFWnuTPCw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=RBQTjrbo; arc=none smtp.client-ip=209.85.128.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="RBQTjrbo" Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-4315df7b43fso22043415e9.0 for ; Sat, 02 Nov 2024 04:38:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1730547526; x=1731152326; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=FmDE2sdaLjNOs4aD8vxBNfz+8tHcw49VErx6rFxgu7k=; b=RBQTjrbohiKZNqIPQLkvjDUvkocb7TGdeYxgwzsQxpUQYkn+gu6q7rcRXMiqNR5c9o WFBjBx2t7RgRXE6Id0dZboLwTTGCT93nBScHvtUpHLmJFE98GqiCCaP023tobpVGZKtX v4diiuHlxRsLMxo1rLGKsgW8/bbFM1EW3/NE2sJCUXQ5nV6VB4L3TR/zXLb+UZ3aXUqZ 9YCKqtUllhynoaO3+wY+jGNCOslPuGZGYWj5kFqT8M1PW/+m7U01PsfuKwsz06Jk/Nuc QKb0snsvIT8+g7BFS14erkNtAPE9+E4zuRYDEzo3XvYFW042wGXIKqLchWbATer1Iftz 8Skg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730547526; x=1731152326; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=FmDE2sdaLjNOs4aD8vxBNfz+8tHcw49VErx6rFxgu7k=; b=jkLqlXo46r+ieF0xpg3XeZGp2vTbAcUS5fIs9fUICaOkrBrUmMXdNE+tnd81jwh0rb H+Q+042gZ3HCeTbFq1Bex40deitW9zPZ4FJOOqtavzBfVrhSBDEeL9xb2HbXIOY4YMfm VD6NhzgnP5yCfIYa487R56npDPmjwFqlp3kyGr+nepqZaOCB+ICUGEljFDznvRDzgvuX mhVf2vXYiZkeUzCnxDaxN+dINirnMBNJMx+pnB5kgZ+OUYgjytf8i03sNUzZtlHFwVl1 fRWoyuHZkt/uxhjagxeicb9JwrxhJy/yB5OGCusfID6iySp46YUp+62ShMMJPFQ+Y0QM GLug== X-Forwarded-Encrypted: i=1; AJvYcCVeItv6a8aLfq7BhcVntNFcedO5owxCfSlrn7lxqCB9fJQwKXcBQFrGTzYYP4XMG4pLRQl2LFWMyiLyfRQ=@vger.kernel.org X-Gm-Message-State: AOJu0Yyx8gPpGePjcom5FNkLWSaQOGgPqArOyWKTfh8uJW7TP1qBUe2l 0l3ARyQdUeu+KrI7LLX4hCYoUH82Q2desA9s9XQ0//n7EgK22AC/+p4n+6itq1k= X-Google-Smtp-Source: AGHT+IHZgVCGFgEml8l2JE2qSNFWCtFv9ZqySVcQuZTYZQV4augsKxhgVOzAUHddOviPkYnNbJxEyg== X-Received: by 2002:a05:600c:3515:b0:431:5df7:b310 with SMTP id 5b1f17b1804b1-4319aca52f4mr228460695e9.8.1730547525576; Sat, 02 Nov 2024 04:38:45 -0700 (PDT) Received: from [192.168.0.35] ([176.61.106.227]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4327d6983ddsm93042935e9.44.2024.11.02.04.38.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 02 Nov 2024 04:38:44 -0700 (PDT) Message-ID: <787ae421-0df0-45ae-bc3f-762ad73b8216@linaro.org> Date: Sat, 2 Nov 2024 11:38:43 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6/6] arm64: dts: qcom: sdm845-db845c-navigation-mezzanine: Add cma heap for libcamera softisp support To: Kieran Bingham , Rob Clark Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Depeng Shao , Vikram Sharma , Vladimir Zapolskiy , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Laurent Pinchart References: <20241025-b4-linux-next-24-10-25-camss-dts-fixups-v1-0-cdff2f1a5792@linaro.org> <20241025-b4-linux-next-24-10-25-camss-dts-fixups-v1-6-cdff2f1a5792@linaro.org> <173047431366.2974136.175546053701391124@ping.linuxembedded.co.uk> Content-Language: en-US From: Bryan O'Donoghue In-Reply-To: <173047431366.2974136.175546053701391124@ping.linuxembedded.co.uk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 01/11/2024 15:18, Kieran Bingham wrote: > Presently with SoftISP being CPU only - physically contiguous memory is > not required. Yes, I've misinterpreted what we discussed, udmabuf should be enough on qcom. > Bryan, will this still be true when you have a GPU based ISP ? Will that > require physically contiguous memory ? Or will the mapping into the GPU > handle any required translations? I believe it should be fine because we do glTexImage2D on the way in ATM and have support for eglCreateImageKHR(.., .., .., .., .., EGL_DMA_BUF_PLANE0_FD_EXT, dma_fd); but in either case phys contig doesn't matter. --- bod