R6xx has routable blocks, but there's nothing wrong in assignment based
on dig_encoder. We didn't really need that algorithm.
Signed-off-by: NRafał Miłecki <zajec5@gmail.com>
Tested-by: NChristian König <deathsimple@vodafone.de>
Reviewed-by: NChristian König <deathsimple@vodafone.de>
Signed-off-by: NDave Airlie <airlied@redhat.com>