Can you see the LNB?
(The bit in front of the dish with cables running from it into the house)
You probably have two cables, but are there another two outlets, not used?
If so, then you'll need to run cables from those spare outlets into the bedroom.
If there are no spare outlets, then you'll need to replace the LNB with a quad version, so you can have four cables.
If all this means using a ladder, then better get an installer involved.
Good luck.
(Are you certain you can't get Freeview after DSO?)