[Intel-gfx] [PATCH 2/8] drm/i915/guc: Skip port assign on first iteration of GuC dequeue

[Chris Wilson]

On Tue, May 23, 2017 at 12:07:49AM +0200, Michał Winiarski wrote:
> If port[0] is occupied and we're trying to dequeue request from
> different context, we will inevitably hit BUG_ON in port_assign.
> Let's skip it - similar to what we're doing in execlists counterpart.
> 
> Fixes: 77f0d0e925e8a0 ("drm/i915/execlists: Pack the count into the low bits of the port.request")
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Michał Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Signed-off-by: Michał Winiarski <michal.winiarski at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

Can you split out the first two and resend with a CI prefix + a guc
enabling patch? Let's get this fixed first.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre