From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 985CA4848AB for ; Wed, 30 Sep 2026 10:33:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790764408; cv=none; b=RR0BHXpB9AbRHulUmMeA+kIAJylmUF31aPSfQ9hkMWLGu6hRi1aWzD+Pk/rREHfsoLiKFj38tJHq7R6tyMuc29nmRFY1XXkYcU4/hEcTpej7cpjscYe6KdN5T9sMGSvlYaBjeOur7Wn0KTagV4F3KX7S/tM2kj+oqzbQptBqMCI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790764408; c=relaxed/simple; bh=p0rtOpqJgYOdzRogUQx4C72rBJ6MZuOxyLFNm8hD7RI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=QRl4ubRiydE7eCw59FEn2ZsImfDNMMM4w6IqVponv2NG93L4lb48GdUMcsbA59yMU+QY/bTY3r0vgMBk0Fn6EZsh1XNf0CsKGCJ+hPL1kAYHoHBtu5BaJfukxjrQ7qHdiq0XTGM+qzuUawBj3e2YHrm2aK56URryky4RQeIsHW4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=KKp3pkBl; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=I9UPHw4O; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="KKp3pkBl"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="I9UPHw4O" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68U7daAM2213576 for ; Wed, 30 Sep 2026 10:33:24 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= ekqw08WhSNuzNavRYsHvqJW6DtR1r0AaDDdoOSLKqQU=; b=KKp3pkBlG9NMn4o+ Ie78eIItC5nrJQHzevcTluOiAL9eL+IM2U1fu2POEr0CPh21TWhoOJoh/3q5xDXF oGg+oJlL+dI2NFnXoFUUlMSBjBp60SqqKSFox2b2bJbwcfSM5exKxEUmjtRAGLBL KhrNGk++ecMx8H7H+ns1IWmdgdFnVfICtwPauN6XY1twkBNf1rQEAFAl/jCjHkat Hw76Q3tvDqvnBY9isdhW8J7IrngXZFJEiUzfcInlBymyWWJftxE58SeNLVzsvFhB foH8mUZM6lr89VlWNedjUse0YSfwmOyOdW4+7fjcSwA8Yuv7F2QrZw7oPW894TGp Z2qUgQ== Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4h0smjj01v-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 30 Sep 2026 10:33:24 +0000 (GMT) Received: by mail-qk1-f197.google.com with SMTP id af79cd13be357-939fc317691so100826485a.3 for ; Wed, 30 Sep 2026 03:33:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1790764403; x=1791369203; darn=vger.kernel.org; h=content-transfer-encoding:content-type: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 :content-type; bh=ekqw08WhSNuzNavRYsHvqJW6DtR1r0AaDDdoOSLKqQU=; b=I9UPHw4Oiy0auvSlwDAgvpMRNKOkl4CGmhHQYBUJ1vNhgEAf6nSdUrt7TgnJjfVEGQ mFctZykjxc2qzkBJlfwcrIB7g4JE2ju04HcQp5G+kVd4cqYcDyv5LTLJEw5MXxug9zqK WiCXQayR+uq4Zk6FHAhpTlwUAtAeMtEZpLDpDWmt9vNZkEWI1XJ2TCSxQ1prq7NWMEDR bt3O3lK0ljQv/djHBD2Qp++pZPY6qIfTKA42gB23ni48GU2i2H67UgkhlTEjcrSbkxmc BZ7Yar++LwPVSRFO8zoNnwjNXtJEtqxDvSiW3Qw9J4HAqmSM4i42Y8IFo62gMMRRT6WY yvXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790764403; x=1791369203; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ekqw08WhSNuzNavRYsHvqJW6DtR1r0AaDDdoOSLKqQU=; b=KR8pKx8E5vFDlBko2OErtaHADMlKCKp/7vn527SMNtz0BGT+TNSJQz/PtINRNfoSRI F13Wmw7zYQgykbelaCeFnkxSkVpVWExX2ZjMSlXrYab9zVJaBkrLt8Z7URf6rf8KaVZB MBPtw2Vd5iHSZzOQP8cq7lK2fK0Ww02iUeaozm29r2clAlBu4UhDYLf3troEAl5dgNO1 BT+edxddpwGTiq4WC3uAhaikbTjgF4RP2aC9IZcvB6LTUQhBGACclUQ5dKKju6oimZhS vjr8E0LQq/ZVt4ma3iBdDN5YfoZ8ETBHw3jhqHu8o8SDa8wkATWQL6grvMOC9aaUq23u Zptg== X-Forwarded-Encrypted: i=1; AKwUvBzQpVEot09h+i9G4MGCSm8i6i64MdQB8RkRL1epwxZIINqlsOINobNQqmqKqs4l7Z+bZQYxgSIHfNeXfrk=@vger.kernel.org X-Gm-Message-State: AFuF++m0dvt/f63gO/0q4+0UC0zSudVBmM9MLAXEZiVfzXfwwyxcTBPv Chl+kFFTndmuES7ejTitCAWQWsuU8pHXFR2T7HO354+28jhXhOp09GtKzFHwlnsMK8lljPMTiTa u8wTqXqqwZrvGMSZ+lyckbJaXr8ltMhFxC7X50w2uqxvoZhIEnWULA16HmXUZPCm8EoU= X-Gm-Gg: AYBFou1NIu9/iKnCjRXcv/K+rPI2sBIpFjTWVbUxym0zogfqKYof+DaJDamc0Gr3gMK Q3qQRzor3H3OTquVCtramOjr96RcWAxfCxPwdSsdFZMtin/J5iNLEYrUgb1D8r2toipkpz6PBJ9 pFXWcz9GqbYXeVcS9UelEme7X0FNjCL+ARFMHyJ+FudYpBHozskUHxbqO30zf0Nd7n/f3OFi6rB OORxUN4pXjnT7of4ZIs/Ow10OxGUqLNkogOMgU/c9BQH7ENIdFNpSxsDrRX8V17hH5pNyYe7ET2 cChRe+qTjIADMmteUG+AaSMn4m/Hwk29tWiMtsLIyTrlZ+o7S+DHXux+gV0PyLqSnoQ9n1zo/dk f/PfhYeW6K2vsupcnh4J0wg== X-Received: by 2002:a05:620a:84ca:b0:93b:ee2a:b67c with SMTP id af79cd13be357-93ca9756a48mr144985685a.4.1790764403337; Wed, 30 Sep 2026 03:33:23 -0700 (PDT) X-Received: by 2002:a05:620a:84ca:b0:93b:ee2a:b67c with SMTP id af79cd13be357-93ca9756a48mr144978585a.4.1790764402614; Wed, 30 Sep 2026 03:33:22 -0700 (PDT) Received: from [192.168.202.12] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6ae047e9a39sm671766a12.1.2026.09.30.03.33.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Sep 2026 03:33:20 -0700 (PDT) Message-ID: <3439bb37-0aab-49d4-99af-8c2b22fc4adb@oss.qualcomm.com> Date: Wed, 30 Sep 2026 12:33:17 +0200 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 v5 11/13] arm64: dts: qcom: monaco: Add Iris context bank subnodes To: Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Bryan O'Donoghue , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Stanimir Varbanov , Neil Armstrong , Dmitry Baryshkov , Bryan O'Donoghue , Stephan Gerhold , "Joerg Roedel (AMD)" , Will Deacon , Robin Murphy , Abel Vesa Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , iommu@lists.linux.dev, Vishnu Reddy References: <20260926-vpu_iommu_iova_handling-v5-0-0322ca5dc10c@oss.qualcomm.com> <20260926-vpu_iommu_iova_handling-v5-11-0322ca5dc10c@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260926-vpu_iommu_iova_handling-v5-11-0322ca5dc10c@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwOTMwMDA0MSBTYWx0ZWRfXwVV4YgyAgbu6 vqvUk7DX09E3X0GOYcKdBPU7nmmGjWJNJcDRQy8AtrdUpxW8LGHj5N/9IQ1pDMqctTNcr16Cd7N sc4FzatD9nl+C2ZzCZoBuI/3+lJ3asY= X-Proofpoint-GUID: SgvKoQEM0xC2ysxqAHX9FHsnw1H72rh2 X-Proofpoint-ORIG-GUID: SgvKoQEM0xC2ysxqAHX9FHsnw1H72rh2 X-Authority-Analysis: v=2.4 cv=KfxHIgYD c=1 sm=1 tr=0 ts=6abce574 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=4BULcDCo1EIeXDFKsSoA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTMwMDA0MSBTYWx0ZWRfXz9LQXnpisCQz tN6txVBciGCzEZ6VASxritNzcYiB2voEt9IedNUAAJxey8AvBtT8Rv2KdXD58mOq/Jd9FHdsAYn lRNYO/tc0gtG3ty+lc2L4suyyIq37jULzqCXhgrmOqB5nWI11/hpjhOYEKI44ZrNxtogQwk4kQ+ bdh0053K/UnvkDdYjfjef9bfLEDfg9JP6xpa9WymZlYAaQ/EOKHt21xuOCCN7EBP83omBPfK646 nK0Uc2Y2F8BluSDfemHoUf9LbvyxzIqERFg6HaBjaBZ4DePHJG/NBeLyZayG/WytkzhZWXq2zwy 2Ehxd1H67MVlGKjiiETm9RlhglnXhrUkcSTiALyZlI1nPED4jrEfvHHY1XgxGTsOq2wGp13FxDx taIg37paLgEpH/bggYrQI83s/dX46DsBfclmnZcIpm+IMMBdy4co3Ftn+q9XNir7g/GdRL5U3xW 3iOedCU5lJZ0p60Dekg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-30_01,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 suspectscore=0 phishscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609300041 On 9/26/26 8:34 AM, Vikash Garodia wrote: > The VPU issues DMA through several SMMU streams, and the hardware does > not give every stream the same addressable range. The non-pixel stream > cannot address the low 600MB of IOVA space, while the pixel stream can > address the full range: > +-----------------------------------------------------------+ > | non-pixel stream addressable range (600 MB - 3.5 GB) | > | 0x25800000 - 0xe0000000 | > +-----------------------------------------------------------+ > | pixel stream addressable range (0 - 3.5 GB) | > | 0x00000000 - 0xe0000000 | > +-----------------------------------------------------------+ Reviewed-by: Konrad Dybcio Konrad