drm/i915: Enable irq to trace batch buffer completion.

[net-next-2.6.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b5f9df230d09cb0af47d2091fc1e4724c5181d93..abfc27b0c2eaea77bf8f64eee6ec8f2f3908cefb 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1770,7 +1770,7 @@ i915_gem_retire_requests(struct drm_device *dev)
        drm_i915_private_t *dev_priv = dev->dev_private;
        uint32_t seqno;
 
-       if (!dev_priv->hw_status_page)
+       if (!dev_priv->hw_status_page || list_empty(&dev_priv->mm.request_list))
                return;
 
        seqno = i915_get_gem_seqno(dev);
@@ -1794,6 +1794,12 @@ i915_gem_retire_requests(struct drm_device *dev)
                } else
                        break;
        }
+
+       if (unlikely (dev_priv->trace_irq_seqno &&
+                     i915_seqno_passed(dev_priv->trace_irq_seqno, seqno))) {
+               i915_user_irq_put(dev);
+               dev_priv->trace_irq_seqno = 0;
+       }
 }
 
 void