Re: [PATCH v3 0/5] Introduce "non-pixel" sub node within iris video node

Bryan O'Donoghue
2025-07-04T22:44:48Z

On 04/07/2025 17:45, Dmitry Baryshkov wrote:
> What about instead:
>
> - keep IOMMU entries as is
ack

> - Add iommu-maps, mapping the non-pixel SID
> - In future expand iommu-maps, describing the secure contexts?

Interesting, we are _adding_ so that's not an ABI break and if I'm
reading the documentation right, there's no hard rule on what iommu-map
defines i.e. nothing to preclude us from encoding the information we
want here.

This might work.

drivers/pci/controller/dwc/pcie-qcom.c::qcom_pcie_config_sid_1_9_0()

You can register your platform device to the SID map you parse.

Worth an experiment.

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bod