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Subject: Re: [PATCH 16/18] staging/media/tegra-vde: Clean up IOMMU workaround
From:   Dmitry Osipenko <digetx@gmail.com>
To:     Robin Murphy <robin.murphy@arm.com>, hch@lst.de, joro@8bytes.org,
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20.08.2020 22:51, Dmitry Osipenko пишет:
> Alternatively, the Tegra SMMU could be changed such that the devices
> will be attached to a domain at the time of a first IOMMU mapping
> invocation instead of attaching at the time of attach_dev() callback
> invocation.
> 
> Or maybe even IOMMU core could be changed to attach devices at the time
> of the first IOMMU mapping invocation? This could be a universal
> solution for all drivers.

Although, please scratch this :) I'll need to revisit how DMA mapping
API works.