commit 9c9fe1f841745184bbc5460c6f3909fded3b929b
author Eric Anholt <eric@anholt.net> Mon Aug 03 16:09:16 2009 -0700
committer Eric Anholt <eric@anholt.net> Wed Aug 05 11:20:53 2009 -0700
tree 7633580a02803cbe32e5ebda4a834f436ebba5c0
parent 0c2e39525b3b53a97a0202c5f35058147e53977e

drm/i915: Use our own workqueue to avoid wedging the system along with the GPU.

Signed-off-by: Eric Anholt <eric@anholt.net>

drivers/gpu/drm/i915/i915_dma.c

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 8c47831..50d1f78 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1186,6 +1186,13 @@
 	if (ret)
 		goto out_iomapfree;
 
+	dev_priv->wq = create_workqueue("i915");
+	if (dev_priv->wq == NULL) {
+		DRM_ERROR("Failed to create our workqueue.\n");
+		ret = -ENOMEM;
+		goto out_iomapfree;
+	}
+
 	/* enable GEM by default */
 	dev_priv->has_gem = 1;
 
@@ -1211,7 +1218,7 @@
 	if (!I915_NEED_GFX_HWS(dev)) {
 		ret = i915_init_phys_hws(dev);
 		if (ret != 0)
-			goto out_iomapfree;
+			goto out_workqueue_free;
 	}
 
 	i915_get_mem_freq(dev);
@@ -1245,7 +1252,7 @@
 		ret = i915_load_modeset_init(dev, prealloc_size, agp_size);
 		if (ret < 0) {
 			DRM_ERROR("failed to init modeset\n");
-			goto out_rmmap;
+			goto out_workqueue_free;
 		}
 	}
 
@@ -1256,6 +1263,8 @@
 
 	return 0;
 
+out_workqueue_free:
+	destroy_workqueue(dev_priv->wq);
 out_iomapfree:
 	io_mapping_free(dev_priv->mm.gtt_mapping);
 out_rmmap:
@@ -1269,6 +1278,8 @@
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
+	destroy_workqueue(dev_priv->wq);
+
 	io_mapping_free(dev_priv->mm.gtt_mapping);
 	if (dev_priv->mm.gtt_mtrr >= 0) {
 		mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base,