From: Bryan O'Donoghue <bryan.odonoghue@linaro•org>
To: Vikram Sharma <vikram.sharma@oss•qualcomm.com>,
bod@kernel•org, Nihal Kumar Gupta <nihal.gupta@oss•qualcomm.com>
Cc: Vladimir Zapolskiy <vladimir.zapolskiy@linaro•org>,
Loic Poulain <loic.poulain@oss•qualcomm.com>,
Mauro Carvalho Chehab <mchehab@kernel•org>,
Rob Herring <robh@kernel•org>,
Krzysztof Kozlowski <krzk+dt@kernel•org>,
Conor Dooley <conor+dt@kernel•org>,
Robert Foss <rfoss@kernel•org>,
Andi Shyti <andi.shyti@kernel•org>,
Bjorn Andersson <andersson@kernel•org>,
Konrad Dybcio <konradybcio@kernel•org>,
Frank Li <Frank.Li@nxp•com>,
Sascha Hauer <s.hauer@pengutronix•de>,
Pengutronix Kernel Team <kernel@pengutronix•de>,
Fabio Estevam <festevam@gmail•com>,
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 <quic_svankada@quicinc•com>
Subject: Re: [PATCH 4/8] arm64: dts: qcom: shikra: Add CAMSS node
Date: Fri, 29 May 2026 15:58:16 +0100 [thread overview]
Message-ID: <23d2a824-e894-4c26-8bd1-02bbb8a7c6d1@linaro.org> (raw)
In-Reply-To: <df00e8d8-21ab-415f-815e-608eb7ab0967@oss.qualcomm.com>
On 29/05/2026 15:52, Vikram Sharma wrote:
> Shikra and Agatti are not iommu compatible in terms of Stream ID. Only VFE SID is same
> for both. Agatti is documenting iommu for VFE, CDM and OPE. OPE is not yet enabled for
> Shikra and in my opinion it should be added as a separate yaml similar to Agatti.
> "https://lore.kernel.org/all/20260508-camss-isp-ope-v3-9-
> bb1055274603@oss•qualcomm.com/"
>
> 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.
---
bod
next prev parent reply other threads:[~2026-05-29 14:58 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-26 17:12 [PATCH 0/8] Add CAMSS and IMX577 sensor support for Shikra EVK Nihal Kumar Gupta
2026-05-26 17:12 ` [PATCH 1/8] dt-bindings: media: qcom: Add Shikra CAMSS compatible Nihal Kumar Gupta
2026-05-28 22:08 ` bod
2026-05-30 11:34 ` Krzysztof Kozlowski
2026-06-01 6:44 ` Nihal Kumar Gupta
2026-05-26 17:12 ` [PATCH 2/8] dt-bindings: i2c: qcom-cci: Document Shikra compatible Nihal Kumar Gupta
2026-05-28 22:10 ` bod
2026-05-30 14:06 ` Wolfram Sang
2026-05-26 17:12 ` [PATCH 3/8] media: qcom: camss: add support for QCM2390 camss Nihal Kumar Gupta
2026-05-28 12:25 ` Loic Poulain
2026-05-29 15:00 ` Vikram Sharma
2026-05-28 22:13 ` bod
2026-06-01 13:30 ` Nihal Kumar Gupta
2026-05-26 17:12 ` [PATCH 4/8] arm64: dts: qcom: shikra: Add CAMSS node Nihal Kumar Gupta
2026-05-28 22:21 ` bod
2026-05-29 14:52 ` Vikram Sharma
2026-05-29 14:58 ` Bryan O'Donoghue [this message]
2026-06-01 6:42 ` Nihal Kumar Gupta
2026-06-01 14:15 ` Bryan O'Donoghue
2026-06-01 14:27 ` Loic Poulain
2026-06-01 14:58 ` Bryan O'Donoghue
2026-05-26 17:12 ` [PATCH 5/8] arm64: dts: qcom: shikra: Add CCI definitions Nihal Kumar Gupta
2026-05-28 22:22 ` bod
2026-05-26 17:12 ` [PATCH 6/8] arm64: dts: qcom: shikra: Add pin configuration for mclks Nihal Kumar Gupta
2026-05-26 17:12 ` [PATCH 7/8] arm64: dts: qcom: shikra-cqm-evk-imx577-camera: Add DT overlay Nihal Kumar Gupta
2026-05-28 22:25 ` bod
2026-05-28 22:28 ` bod
2026-05-29 17:30 ` Nihal Kumar Gupta
2026-05-29 22:57 ` Bryan O'Donoghue
2026-05-26 17:12 ` [PATCH 8/8] arm64: dts: qcom: shikra-iqs-evk-imx577-camera: " Nihal Kumar Gupta
2026-05-28 22:30 ` bod
2026-05-29 17:14 ` Nihal Kumar Gupta
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