drm/i915: Fix formatting for gen8_cs_irq_handler

Requested by Chris, and since we're no longer rebasing the -next queue
I can't rectify history.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1445415633-21897-1-git-send-email-daniel.vetter@ffwll.ch
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_irq.c

@@ -1291,8 +1291,7 @@ static void snb_gt_irq_handler(struct drm_device *dev,
 }
 
 static __always_inline void
-		gen8_cs_irq_handler(struct intel_engine_cs *ring, u32 iir,
-				    int test_shift)
+gen8_cs_irq_handler(struct intel_engine_cs *ring, u32 iir, int test_shift)
 {
 	if (iir & (GT_RENDER_USER_INTERRUPT << test_shift))
 		notify_ring(ring);