[Intel-gfx] [PATCH 06/34] drm/i915/selftests: Create a clean GGTT for vma/gtt selftesting

[Matthew Auld]

On Mon, 21 Jan 2019 at 23:41, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>
> Some tests (e.g. igt_vma_pin1) presume that we have a completely clean
> GGTT so that it can probe boundaries without fear that something is
> already allocated there. However, the mock device is starting to get
> complicated and following similar rules to the live device, i.e. we
> can't guarantee that i915->ggtt remains clean, so create a temporary
> address_space equivalent to the mock ggtt for the purpose.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>