Merge branch 'vmwgfx-fixes-4.17' of git://people.freedesktop.org/~thomash/linux into drm-fixes

A single fix for a recent regression.

* 'vmwgfx-fixes-4.17' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: Set dmabuf_size when vmw_dmabuf_init is successful