drm/ast: Fix start address computation
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2166219
Signed-off-by: Jocelyn Falempe jfalempe@redhat.com
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2166219
Signed-off-by: Jocelyn Falempe jfalempe@redhat.com