[Intel-gfx] [PATCH 1/2] drm/i915/selftests: Tweak igt_ggtt_page to speed it up

[Chris Wilson]

Quoting Matthew Auld (2018-01-02 10:36:09)
> On 23 December 2017 at 11:04, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > Reduce the number of GGTT PTE operations to speed the test up, but we
> > reduce the likelihood of spotting a coherency error in those operations.
> > However, Broxton is sporadically timing on this test, presumably because
> > its GGTT operations are all uncached.
> >
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Reviewed-by: Matthew Auld <matthew.auld at intel.com>

Ta, picked up. It's not enough yet to prevent the random oom upsetting
CI, but hopefully a step forward.
-Chris