What happens when I conquer with Swain, Visionary, if I’ve only played a Patched Porobot and Stupefy this turn?

You will score 2 points total. 1 from conquering, 1 from Swain. Swain only checks whether you’ve played a non-token unit, a non-token gear, and a spell. Checks like that do not care whether they were satisfied by multiple cards or a single card relevant to the trigger conditions.

Related: Rule 178.1, Rule 178.3, Patched Porobot, Stupefy, Swain, Visionary