[Bug 13721] [TRIVIAL]DRM drivers don't use PCI DMA API.

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=13721

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |chris at chris-wilson.co.uk
         Resolution|---                         |CODE_FIX

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
We migrated over to dma_map_sg() and pci_map_page() and rely on intel_iommu to
dtrt for the variety of broken VT-d/gfx, with the occasional quirk in the
driver for when the GPU itself hangs if its iommu mapping is changed whilst it
is busy.

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