Revert "drm/i915: fix infinite recursion on unbind due to ilk vt-d w/a"

[pandora-kernel.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 d18b07a..8359dc7 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1745,7 +1745,7 @@ static void i915_gem_reset_fences(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
        int i;
 
-       for (i = 0; i < 16; i++) {
+       for (i = 0; i < dev_priv->num_fence_regs; i++) {
                struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i];
                struct drm_i915_gem_object *obj = reg->obj;
 
@@ -3512,9 +3512,11 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
                         * so emit a request to do so.
                         */
                        request = kzalloc(sizeof(*request), GFP_KERNEL);
-                       if (request)
+                       if (request) {
                                ret = i915_add_request(obj->ring, NULL, request);
-                       else
+                               if (ret)
+                                       kfree(request);
+                       } else
                                ret = -ENOMEM;
                }
 
@@ -3613,7 +3615,7 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
        obj->base.write_domain = I915_GEM_DOMAIN_CPU;
        obj->base.read_domains = I915_GEM_DOMAIN_CPU;
 
-       if (IS_GEN6(dev)) {
+       if (IS_GEN6(dev) || IS_GEN7(dev)) {
                /* On Gen6, we can have the GPU use the LLC (the CPU
                 * cache) for about a 10% performance improvement
                 * compared to uncached.  Graphics requests other than
@@ -3877,7 +3879,7 @@ i915_gem_load(struct drm_device *dev)
        INIT_LIST_HEAD(&dev_priv->mm.gtt_list);
        for (i = 0; i < I915_NUM_RINGS; i++)
                init_ring_lists(&dev_priv->ring[i]);
-       for (i = 0; i < 16; i++)
+       for (i = 0; i < I915_MAX_NUM_FENCES; i++)
                INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
        INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
                          i915_gem_retire_work_handler);