drm/i915: remove unused leftover variable irq_received

It's been there since i8xx_irq_handler() was added in
commit c2798b19ba
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Sun Apr 22 21:13:57 2012 +0100

    drm/i915: i8xx interrupt handler

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2013-08-11 12:44:26 +03:00 • committed by Daniel Vetter
commit c8b5018b22