[Intel-gfx] [PATCH] drm/i915: intel_engine_init_global_seqno() requires atomic kmap

[Chris Wilson]

On Tue, Mar 21, 2017 at 08:29:07AM +0000, Tvrtko Ursulin wrote:
> 
> On 20/03/2017 14:56, Chris Wilson wrote:
> >As intel_engine_init_global_seqno() may be called by
> >nop_submit_request() from inside irq context, we have to use atomic
> >versions of kmap/kunmap. This is rare as this requires using gen8 legacy
> >ringbuffer submission.
> >
> >Reported-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> >Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> >Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> >Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Picked up this and the other gem_eio fix (drm/i915: Protect
intel_engine_wakeup() for call from irq context), thanks.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre