selftests: Destroy partial tiling vma after use

Matthew Auld Fri, 06 Jul 2018 01:52:59 -0700

On 6 July 2018 at 07:53, Chris Wilson <[email protected]> wrote:
> As we keep VMA around until the object is destroyed, when testing
> partial tiling we instantiate many, many VMA (as the object is huge
> allowing for many different partial regions). We test elsewhere our
> handling of populating large objects with a full set of VMA and checking
> we can retrieve them afterwards, but in this test we incur the cost of
> flushing all VMA after every GTT write, dramatically slowing down the
> test.
>
> References: https://bugs.freedesktop.org/show_bug.cgi?id=107130
> Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
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Re: [Intel-gfx] [PATCH 02/27] drm/i915/selftests: Destroy partial tiling vma after use

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