Tighter code since legacy gem has only mappable anyway.
Split out from Chris vma-bind rework.
Note that this is only possible due to the split-up of the mappable
pin flag into PIN_GLOBAL and PIN_MAPPABLE.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
                        return -ENOMEM;
                }
 
-               ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_MAPPABLE);
+               ret = i915_gem_obj_ggtt_pin(obj, 0, 0);
                if (ret != 0) {
                        drm_gem_object_unreference(&obj->base);
                        DRM_ERROR("Failed to ping batch bo\n");