[Intel-gfx] [PATCH 2/4] drm/i915: Unconditionally clear the pm/guc GT IIR upon acking

[Chris Wilson]

Quoting Mika Kuoppala (2018-08-03 14:56:54)
> Chris Wilson <chris at chris-wilson.co.uk> writes:
> 
> > Having stored the IIR for action, we should always clear it.
> >
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> 
> As getting stray unexpected intrs usually is
> driver vs hw misconfiguration, should we at some point
> start to complain if we see one?

We have a history of doing strange things, sometimes even intentionally
;)

Maybe worth the effort in presilicon, but for the most part we are
trying desperately to minimise cost here.
-Chris