Re: [PATCH 2/2] drm/i915/selftests: Extend fault handler selftests to all memory regions

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Quoting Chris Wilson (2020-01-03 12:15:05)
> From: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx>
> 
> Instead of testing individually our new fault handlers, iterate over all
> memory regions and test all from one interface.
> 
> Signed-off-by: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx>
> Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> ---
> We also need an igt_mmap_gpu to truly test lmem.

But not strictly necessary since we compare using discontguous pin_map()
which we have validated as being what the GPU sees.
-Chris
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