[Intel-gfx] [PATCH 1/2] drm/i915/selftests: rein in igt_write_huge

[Chris Wilson]

Quoting Matthew Auld (2017-11-23 13:22:57)
> Rather than repeat the test for each engine, which takes a long time,
> let's try alternating between the engines in some randomized
> order.
> 
> v2: fix gen2 blunder
>     fix !order blunder
>     more cunning permutation construction!
> 
> Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>

lgtm,
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris