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Date:   Thu, 20 Aug 2020 23:10:24 +0300
From:   Dmitry Osipenko <>
To:     Robin Murphy <>,,,
Subject: Re: [PATCH 16/18] staging/media/tegra-vde: Clean up IOMMU workaround

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.

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