drm/i915/ringbuffer: Fix sign of ring space.

As we presume space is signed when computing and looking for wrap along, make it so. Reported-by: Owain G. Ainsworth <zerooa@googlemail.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
git-mirror · Sep 24, 2010 · 780f0ca · 780f0ca
1 parent 3eee179
commit 780f0ca
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -31,7 +31,7 @@ struct  intel_ring_buffer {
 
 	unsigned int	head;
 	unsigned int	tail;
-	unsigned int	space;
+	int		space;
 	struct intel_hw_status_page status_page;
 
 	u32		irq_gem_seqno;		/* last seq seem at irq time */