Messages in this thread | | | Subject | Re: [PATCH 16/18] staging/media/tegra-vde: Clean up IOMMU workaround | From | Dmitry Osipenko <> | Date | Thu, 20 Aug 2020 23:10:24 +0300 |
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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.
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