[Intel-gfx] [PATCH v4] drm/i915/guc: Clean up locks in GuC

[Chris Wilson]

On Tue, Jan 26, 2016 at 11:53:45AM +0000, Tvrtko Ursulin wrote:
> Chris Harris has liaised with Tomi and apparently GuC firmware is
> already on the lab SKLs from ~two weeks ago.
> 
> Since the firmware is on all machines, presumably we would also want
> to have CI runs without the GuC enabled to ensure patches are not
> breaking the execlists mode?
> 
> How would you go about that? Submit patch series twice? Once with
> the final "enable GuC" patch and one without?

After the enable GuC patch, execlists will still be triggered on
machines without the right firmware. We either remove the firmware from
the CI image for that run, or reboot with i915.enable_guc=0

Yes, we should be checking that both modes "still" function.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre