[Intel-gfx] [RFC v2 03/12] drm/i915/svm: Implicitly migrate BOs upon CPU access

[Chris Wilson]

Quoting Niranjana Vishwanathapura (2019-12-13 21:56:05)
> +int i915_gem_object_migrate_region(struct drm_i915_gem_object *obj,
> +                                  u32 *regions, int size)
> +{
> +       struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
> +       struct intel_context *ce = dev_priv->engine[BCS0]->kernel_context;
> +       int i, ret;
> +
>         mutex_lock(&dev_priv->drm.struct_mutex);
>         ret = i915_gem_object_prepare_move(obj);

You appear to be based on a very broken code base. I'd recommend not
doing that.
-Chris