gpu: host1x: Add IOMMU support

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Add support for the Host1x unit to be located behind
an IOMMU. This is required when gather buffers may be
allocated non-contiguously in physical memory, as can
be the case when TegraDRM is also using the IOMMU.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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Mikko Perttunen 2016-12-14 13:16:14 +02:00 • committed by Thierry Reding

parent 8cadb01d2c

commit 404bfb78da

7 changed files with 177 additions and 39 deletions

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74

drivers/gpu/host1x/cdma.c

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6

drivers/gpu/host1x/cdma.h

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41

drivers/gpu/host1x/dev.c

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6

drivers/gpu/host1x/dev.h

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16

drivers/gpu/host1x/hw/cdma_hw.c

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72

drivers/gpu/host1x/job.c

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1

drivers/gpu/host1x/job.h

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