It's my understanding that PF30 is 30p that's been artificially interlaced. The underlying footage is still 30p. If you're using PP, just modify your clips: set whatever framerate you have in the timeline, and select the option that says to interpret the clip as progressive (no fields). It will look just like true 30p footage in your timeline. I don't know how you deal with it in other NLEs. Why Canon does this is a mystery to me, although I suspect it has something to do with BluRay.
