virgl: Hide internal virgl_resource functions

Since the transition to virgl_resource_transfer_map(), several
previously public virgl_resource functions are not required to be public
anymore.

We also move the functions earlier in the file so they can be used
without functions declarations.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
2 files changed