[Intel-gfx] [PATCH 1/2] drm/i915: Kick waiters on resetting legacy rings

[Chris Wilson]

Quoting Matthew Auld (2018-07-30 10:27:00)
> On 30 July 2018 at 08:53, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > For reasons unknown, interrupts following a reset do not arrive, but
> > this can be papered over by kicking any waiter and peeking at the
> > breadcrumbs following the reset.
> >
> > Testcase: igt/gem_eio/reset-stress
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Acked-by: Matthew Auld <matthew.auld at intel.com>

Very sensible to ack a band-aid :)
Fortunately it has virtually no cost, so even if we do find the true
cause for the GPU not delivering the interrupts, it can live on.

Pushed as the patches passed full CI earlier, thanks.
-Chris