return 0;
}
-static bool i915_gem_valid_gtt_space(struct drm_device *dev,
- struct drm_mm_node *gtt_space,
+static bool i915_gem_valid_gtt_space(struct i915_vma *vma,
unsigned long cache_level)
{
+ struct drm_mm_node *gtt_space = &vma->node;
struct drm_mm_node *other;
- /* On non-LLC machines we have to be careful when putting differing
- * types of snoopable memory together to avoid the prefetcher
- * crossing memory domains and dying.
+ /*
+ * On some machines we have to be careful when putting differing types
+ * of snoopable memory together to avoid the prefetcher crossing memory
+ * domains and dying. During vm initialisation, we decide whether or not
+ * these constraints apply and set the drm_mm.color_adjust
+ * appropriately.
*/
- if (HAS_LLC(dev))
+ if (vma->vm->mm.color_adjust == NULL)
return true;
if (!drm_mm_node_allocated(gtt_space))
goto err_free_vma;
}
- if (WARN_ON(!i915_gem_valid_gtt_space(dev, &vma->node,
- obj->cache_level))) {
+ if (WARN_ON(!i915_gem_valid_gtt_space(vma, obj->cache_level))) {
ret = -EINVAL;
goto err_remove_node;
}
}
list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) {
- if (!i915_gem_valid_gtt_space(dev, &vma->node, cache_level)) {
+ if (!i915_gem_valid_gtt_space(vma, cache_level)) {
ret = i915_vma_unbind(vma);
if (ret)
return ret;