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 37C06CD6E4C for ; Mon, 1 Jun 2026 06:43:08 +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:In-Reply-To:References:Cc:To:Subject:From:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=BUoRT/umrxuN/KHs4F1vXvDSCGOLYsWvMyewnQxtID8=; b=gnjHIhVDHQDD6mYjbV292DfKna BZE1tIVMvxYu1xxyKIEqGLpCs0pJsv07r5EYQQbZ2FtvYdOnUrF8pRa37f18KaGZkV5pjhv1QNHvt XqWGZ8utR1X+Nlzhfso5L+HzRC1LUAsScvevHDC7/atpfZln9g9+4uK5r9juxVmuC+sGVxFcajDMZ U3HiTWEm5RF5199xQyOyHMMX4GaZFGYi7dKmRco+7H0bbiuOw+xd4lYQM8nw3qx94t8zD7Ps6Cdkx LBkoou/ctd1nd5zeucg7fIx7l0p+jnQfICJvWYxMzBiWmpMHXDpx29g/LJa6GqBxmBjNQ2HqV9RoV x3hW7jGw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wTwMY-0000000ADwz-03W8; Mon, 01 Jun 2026 06:43:02 +0000 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wTwMV-0000000ADwZ-3zKh for linux-arm-kernel@lists.infradead.org; Mon, 01 Jun 2026 06:43:01 +0000 Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 64VMguxj1445571 for ; Mon, 1 Jun 2026 06:42:59 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= BUoRT/umrxuN/KHs4F1vXvDSCGOLYsWvMyewnQxtID8=; b=fCjnLsQ/g23ip7p7 oBu+yycb5ND+i81+X9WRkdQWA08JR4L5yOXw5aeuGQE6c/oLdeRYlDn6f/EGKlDt W99a2sm91LJ/sp5Hu1sqFS9YntrWh1yrFdkywUpD2uGa9ML5pbH8iOHUdZv8/fKM YooEYIDLEwcA1iignOtMKMh7h58yTQEQJvWrViyezdAsQODRwoCpMFFVk/j1eZuv V2Kcm7ImvvwPLOG8N9F58VcamlnEviarqp5XgBrGVN0PUAhAQPnSelfdNBeWZUzq ojMYfNTd8C5t6MYtCO4J6UnjBpFaCZKIU690IkWh4qSjhqt2KChBchMArhPzIKhh ccnwLQ== Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4efr41e4tn-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 01 Jun 2026 06:42:59 +0000 (GMT) Received: by mail-pj1-f71.google.com with SMTP id 98e67ed59e1d1-36b808bedfaso6217709a91.1 for ; Sun, 31 May 2026 23:42:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1780296178; x=1780900978; darn=lists.infradead.org; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:subject:from:user-agent:mime-version:date:message-id:from:to :cc:subject:date:message-id:reply-to; bh=BUoRT/umrxuN/KHs4F1vXvDSCGOLYsWvMyewnQxtID8=; b=eyNm8lkLYu13rOGEGCOld2xTVTrL+Rpkxt7pkdW/pp3TMasBNYSWrQqlphwPTfIDf+ 467Xtfq3CappQn6LwEwaBifdjtHWUZJiXb80LuIH9K94ayKOfdRguiS3fIaLBZ+Y63vF ZVYmHglnWYvRTHB29uqVhtf5e3pUAQeqlOyBtpV+eGMn6o6XI+OWxhg6dG4rPPoJyTQQ nsI60H9GMOZZlHPytOrFehDY1D4zRKan5JyyKAUdYCmiwNuUIiiDMXg161t4D+uHTOJQ nr+cwf1OryWYfokeE+zAC6wBzK9lgPjBQ05pmyBArLMDtNOGYoJRfgavTSaTXObarzd1 xg6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780296178; x=1780900978; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:subject:from:user-agent:mime-version:date:message-id:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=BUoRT/umrxuN/KHs4F1vXvDSCGOLYsWvMyewnQxtID8=; b=orJ4npiKbokdGNwdVjXpCHok/jskJp8LLsSsYFPTTh/ORMXWCnrvE1YLF6sYZA8U1J CqwHVCQOPkBltlCOes27NYpkRJka6Q1Zrk0Q6R+7Ps87+W2XcWearKioang7W9rXJDiq 74vW33olQNNKJi0xDrykSoPGbeE3u99jACha73S1GMVoyQfCt7h/d9aS77AutF6LHFwW 99h4tBrD/Lu7tZv1MpGj4ttuRkvTWOVJ8aNaeTqwiGIGFZrgHFOOYIPEeNsFzTGm/Qfl KhEb3tJwk3/Uz6yzOaPJ1QXm9iTYkHRxcjuMyrVvURflEBsYNPMwBIOeoE0cCf83KlNl vlug== X-Forwarded-Encrypted: i=1; AFNElJ+O0gHb6ARf/hMfBKdoTGbM0I694xUM0ZdCNvNMXCIu4WohfrW+M7QDljep8R/5JALN9jEX3v16VrOYmo28h1XD@lists.infradead.org X-Gm-Message-State: AOJu0Ywhvof99Bp9/UclePPUMihkJhCsfQ8O5rspTDKVEqpn8ceyD0rb HudxSVqljbeD+uwbWjTp+KlYDeR9tfIm28iJC19zQX9tYRf7OQTqDv+8SA2MtSR/6cVr/v4Ereo I/AHrj13eselGeNOgw7vdJP1INmVdECkTw/09uaQMhYe5Ej2WihsJ2IK8tSdIeVfqLM+hvqtLpp Ukjw== X-Gm-Gg: Acq92OEKd+QZVD1rqF4Pzu4I26lSZKao8SYw78mcl4yXKpEh8ApPHwGL/6LZznrmeHW 3+KdM5Olbial8XgIn0Ion8JgSm5MPNGPtH8VE2ENXFbrR1H/zVeH+Fd+NJkMEXy2OjkciPOMFwh kabByRDAlMFqDYqlQk5lqb+ZnrVUzGpUX/MoPZHaGXdbOhlYKq3MJLYRsmHMWPMlge24A/gsKdh miJhOGiESiSqrem1VW8tt9eU2IccaSyP4t2pRmm88zEgFdQXQvIamXfIW1rbvRhbvhtA5cz4Oc8 3BUiSr/EruhykIGIbpzzt3HQReFRVVR9eInPNjTsWsQOAtp/XEQPljD75+I9DxsxcSiBfuniiaT BZMKJtQ9kYKffhERFfEl+K3cfwgyY2jsxao8AM6JwtM62NrJy99wkX5hP2/Sg9Q== X-Received: by 2002:a17:90b:5704:b0:36a:f612:e6a3 with SMTP id 98e67ed59e1d1-36c501b8fb2mr9707561a91.17.1780296178459; Sun, 31 May 2026 23:42:58 -0700 (PDT) X-Received: by 2002:a17:90b:5704:b0:36a:f612:e6a3 with SMTP id 98e67ed59e1d1-36c501b8fb2mr9707531a91.17.1780296177992; Sun, 31 May 2026 23:42:57 -0700 (PDT) Received: from [10.206.103.106] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36bc65e7afasm11934608a91.1.2026.05.31.23.42.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 31 May 2026 23:42:57 -0700 (PDT) Message-ID: Date: Mon, 1 Jun 2026 12:12:49 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Nihal Kumar Gupta Subject: Re: [PATCH 4/8] arm64: dts: qcom: shikra: Add CAMSS node To: Bryan O'Donoghue , Vikram Sharma , bod@kernel.org Cc: Vladimir Zapolskiy , Loic Poulain , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robert Foss , Andi Shyti , Bjorn Andersson , Konrad Dybcio , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Suresh Vankadara References: <20260526-shikra-camss-review-v1-0-645d2c8c75a7@qti.qualcomm.com> <20260526-shikra-camss-review-v1-4-645d2c8c75a7@qti.qualcomm.com> <178000689150.4557.11759359941436928903.b4-reply@b4> <23d2a824-e894-4c26-8bd1-02bbb8a7c6d1@linaro.org> Content-Language: en-US In-Reply-To: <23d2a824-e894-4c26-8bd1-02bbb8a7c6d1@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=fOEJG5ae c=1 sm=1 tr=0 ts=6a1d29f3 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=5UiWIToyZdRRPDun-cEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-ORIG-GUID: hLIC0JCzH7DKaGF0Rfm7GxLgZ6q_d22r X-Proofpoint-GUID: hLIC0JCzH7DKaGF0Rfm7GxLgZ6q_d22r X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDA2NSBTYWx0ZWRfX7aQjah5f81Rd r3vzI6UovNCAKpDdRmtHBvDSXMGVPLefXzUDOaLHiJ4nTbFtG/E+4AlnmJJeVO/fP40jg1brEuh 8ovm5KAGywITfFy5FPQgHP+W9iKTkxAxtIPka6D+HxUM1jpHluI9ynUqEY0RX/T14KHubh8vE1U IEDjfcnphecvKT31WFSia9lEZE7aMjwcqcv3S5jYv69ACYM1DGbRMmXEBo8gjaJIwcD1d+FhDBU PeAi8qThuD4dBYhuuWaACJHN7eenXX7/pVP9gUiCfaUFTzuUFeAIIK/zkuHz4eui/Uy3hvBpqRD 8tmbNvqVyASKJI4c1dTFFEZkjONDjdA1fEpb4jhIaJTCB7SyyufrLKhjU2tbQvnDzEZQEWHKpXZ EGog6ESW/OkxI+oB72y7gR2XPrVCWc3u9F4MqlO232UZBkslMi2ph0ewJZ7iSbmP2xLxwqZ47lx 3TYOFP0c7pxBmVoVNfQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_02,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606010065 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260531_234300_027455_3E2B1664 X-CRM114-Status: GOOD ( 16.20 ) 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 On 29-05-2026 20:28, Bryan O'Donoghue wrote: >> Regarding cdm iommu we have excluded it as we do not use it to program registers as of now. > > Which will be a problem as soon as CDM is attempted to be enabled and yaml changes are dropped upstream. > > Hmm then it seems to me that five is too many for Agatti's IOMMU set. > > I'd like a number list so that we are discussing facts instead of nebulous hypotheticals. > > For both Agatti and Shikra. Here is the full IOMMU SID list for both platforms: Agatti (QCM2290): - 0x0400 0x00 — VFE non-protected - 0x0800 0x00 — CDM non-protected - 0x0820 0x00 — OPE read non-protected - 0x0840 0x00 — OPE write non-protected Shikra: - 0x0400 0x00 — VFE non-protected - 0x0600 0x00 — CDM non-protected - 0x0620 0x00 — OPE read non-protected - 0x0640 0x00 — OPE write non-protected Only VFE SID (0x0400) is shared between the two platforms. The current Shikra submission enumerates only the VFE SID. Should CDM and OPE each get a separate YAML binding like [1], or should both be part of the CAMSS YAML binding? If part of CAMSS, please confirm and we will add their SIDs in the DTS in the next revision. [1] https://lore.kernel.org/all/20260508-camss-isp-ope-v3-9-bb1055274603@oss.qualcomm.com/