drm/dp_mst: add a function to retrieve vcpi slots

radeon requires this to get the slots for later filling
out a table on every transition.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dave Airlie 2015-02-24 09:23:55 +10:00 • committed by Alex Deucher
commit 87f5942d1f
2 changed files with 15 additions and 0 deletions