return -ENODEV;
 
        /* Only handle setting domains to types used by the CPU. */
-       if (write_domain & ~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
+       if (write_domain & I915_GEM_GPU_DOMAINS)
                return -EINVAL;
 
-       if (read_domains & ~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
+       if (read_domains & I915_GEM_GPU_DOMAINS)
                return -EINVAL;
 
        /* Having something in the write domain implies it's in the read
        if (flush_domains & I915_GEM_DOMAIN_CPU)
                drm_agp_chipset_flush(dev);
 
-       if ((invalidate_domains | flush_domains) & ~(I915_GEM_DOMAIN_CPU |
-                                                    I915_GEM_DOMAIN_GTT)) {
+       if ((invalidate_domains | flush_domains) & I915_GEM_GPU_DOMAINS) {
                /*
                 * read/write caches:
                 *
         * wasn't in the GTT, there shouldn't be any way it could have been in
         * a GPU cache
         */
-       BUG_ON(obj->read_domains & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
-       BUG_ON(obj->write_domain & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
+       BUG_ON(obj->read_domains & I915_GEM_GPU_DOMAINS);
+       BUG_ON(obj->write_domain & I915_GEM_GPU_DOMAINS);
 
        return 0;
 }
                atomic_inc(&dev->pin_count);
                atomic_add(obj->size, &dev->pin_memory);
                if (!obj_priv->active &&
-                   (obj->write_domain & ~(I915_GEM_DOMAIN_CPU |
-                                          I915_GEM_DOMAIN_GTT)) == 0 &&
+                   (obj->write_domain & I915_GEM_GPU_DOMAINS) == 0 &&
                    !list_empty(&obj_priv->list))
                        list_del_init(&obj_priv->list);
        }
         */
        if (obj_priv->pin_count == 0) {
                if (!obj_priv->active &&
-                   (obj->write_domain & ~(I915_GEM_DOMAIN_CPU |
-                                          I915_GEM_DOMAIN_GTT)) == 0)
+                   (obj->write_domain & I915_GEM_GPU_DOMAINS) == 0)
                        list_move_tail(&obj_priv->list,
                                       &dev_priv->mm.inactive_list);
                atomic_dec(&dev->pin_count);
 
        /* Flush the GPU along with all non-CPU write domains
         */
-       i915_gem_flush(dev, ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT),
-                      ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
-       seqno = i915_add_request(dev, NULL, ~I915_GEM_DOMAIN_CPU);
+       i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+       seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS);
 
        if (seqno == 0) {
                mutex_unlock(&dev->struct_mutex);