[Intel-gfx] [PATCH v2 2/2] drm/i915: drop engine_pin/unpin_breadcrumbs_irq

[Chris Wilson]

Quoting Daniele Ceraolo Spurio (2019-08-13 00:31:51)
> The last user has been removed, so drop the functions.
> 
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>

If this sticks, we can remove the b->irq_enabled counter (iirc). For the
moment, keep it simple in case we need to revive it for gvt/pv.
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris