[PATCH]remove warning for drivers/gpu/drm/i915/intel_ringbuffer.c

[Harry Wei]

From: Harry Wei <harryxi...@gmail.com>
When i compile kernel, it shows me two warnings
like below, so this patch can fix them. 

[...]
CC [M]  drivers/gpu/drm/i915/intel_dvo.o
CC [M]  drivers/gpu/drm/i915/intel_ringbuffer.o
drivers/gpu/drm/i915/intel_ringbuffer.c:603: warning: 
?????????ring_get_irq????????? defined but not used
drivers/gpu/drm/i915/intel_ringbuffer.c:620: warning: 
?????????ring_put_irq????????? defined but not used
CC [M]  drivers/gpu/drm/i915/intel_overlay.o
CC [M]  drivers/gpu/drm/i915/intel_opregion.o
[...]


Signed-off-by: Harry Wei <harryxiyou at gmail.com>

Index: prj/drivers/gpu/drm/i915/intel_ringbuffer.c
===================================================================
--- prj.orig/drivers/gpu/drm/i915/intel_ringbuffer.c    2011-06-03 
20:37:35.523539547 +0800
+++ prj/drivers/gpu/drm/i915/intel_ringbuffer.c 2011-06-03 20:38:07.279539574 
+0800
@@ -599,23 +599,6 @@
        return 0;
 }

-static bool
-ring_get_irq(struct intel_ring_buffer *ring, u32 flag)
-{
-       struct drm_device *dev = ring->dev;
-       drm_i915_private_t *dev_priv = dev->dev_private;
-
-       if (!dev->irq_enabled)
-              return false;
-
-       spin_lock(&ring->irq_lock);
-       if (ring->irq_refcount++ == 0)
-               ironlake_enable_irq(dev_priv, flag);
-       spin_unlock(&ring->irq_lock);
-
-       return true;
-}
-
 static void
 ring_put_irq(struct intel_ring_buffer *ring, u32 flag)
 {