---

yaml --- r: 145034 b: refs/heads/master c: 802c7eb h: refs/heads/master v: v3
git-mirror · May 14, 2009 · 2b94452 · 2b94452
1 parent 44145d6
commit 2b94452
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0ba0e9e1f173a59ba402a253d356612c821b7a14
+refs/heads/master: 802c7eb646848d769a07704c16f7a3bbec9e5829
diff --git a/trunk/drivers/gpu/drm/i915/i915_gem.c b/trunk/drivers/gpu/drm/i915/i915_gem.c
@@ -1691,11 +1691,20 @@ static int
 i915_wait_request(struct drm_device *dev, uint32_t seqno)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
+	u32 ier;
 	int ret = 0;
 
 	BUG_ON(seqno == 0);
 
 	if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
+		ier = I915_READ(IER);
+		if (!ier) {
+			DRM_ERROR("something (likely vbetool) disabled "
+				  "interrupts, re-enabling\n");
+			i915_driver_irq_preinstall(dev);
+			i915_driver_irq_postinstall(dev);
+		}
+
 		dev_priv->mm.waiting_gem_seqno = seqno;
 		i915_user_irq_get(dev);
 		ret = wait_event_interruptible(dev_priv->irq_queue,