[PATCH] Revert "drm/virtio: drop prime import/export callbacks"

[Emil Velikov]

On Tue, 23 Apr 2019 at 09:05, Gerd Hoffmann <kraxel at redhat.com> wrote:
>
>   Hi,
>
> > > The DRI3 code extensively uses prime_handle_to_fd and
> > > prime_fd_to_handle for self-import.
>
> The callbacks are not used for self-import.
>
Userspace converts from it's own handles to a dmabuf fd and vice-versa.
I assumed that's called self-import, is it not?

Can you please enlighten me?

Thanks
-Emil