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gpu: host1x: Add IOMMU support
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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- drivers/gpu/host1x/cdma.c 58 additions, 16 deletionsdrivers/gpu/host1x/cdma.c
- drivers/gpu/host1x/cdma.h 4 additions, 2 deletionsdrivers/gpu/host1x/cdma.h
- drivers/gpu/host1x/dev.c 39 additions, 2 deletionsdrivers/gpu/host1x/dev.c
- drivers/gpu/host1x/dev.h 6 additions, 0 deletionsdrivers/gpu/host1x/dev.h
- drivers/gpu/host1x/hw/cdma_hw.c 7 additions, 9 deletionsdrivers/gpu/host1x/hw/cdma_hw.c
- drivers/gpu/host1x/job.c 62 additions, 10 deletionsdrivers/gpu/host1x/job.c
- drivers/gpu/host1x/job.h 1 addition, 0 deletionsdrivers/gpu/host1x/job.h
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