Re: [PATCH] drm/i915/selftests: Disable iommu for the mock device

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Quoting Matthew Auld (2017-09-18 16:32:19)
> On 18 September 2017 at 15:22, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:
> > Quoting Chris Wilson (2017-09-14 17:22:40)
> >> On some machines, the iommu cannot allocate a domain for the mock device
> >> causing the dma_map_sg() to fail, and the selftest to fail with -ENOMEM.
> >> For the mock selftests, we are using a fake device and do not care about
> >> iommu; so convince intel_iommu to treat us as a dummy device with an
> >> identity mapping (and no iommu domain).
> >>
> >> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101080
> >> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Tested-by: Elizabeth De La Torre Mena <elizabethx.de.la.torre.mena@xxxxxxxxx>
> Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>

And pushed, thanks for the review. Definitely a hack, but works for
now..,
-Chris
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