As much as I love porn, I've never been "addicted" to it, that honor goes straight to computer games for me... I'd recommend doing what I do with my game time really, since going from one extreme to the other (NO porn at all swinging back to non-stop) is obviously not working for you... Pick out your "porn time" of the day or week, say 30 minutes/1 hour which you could otherwise spend wasting time with something like TV, and set an alarm in another room of the house so that, when it goes off, your quick time-wasting session is over.
This is what I do when I have other things that need to be done, but am dying to get in some computer game time as well, and it surprisingly isn't that hard to do as long as the alarm is in another room, forcing you to get up and break your focus. I also don't have any qualms about porn/sex (not religious and not a big fan of social stigmas either- I can't imagine porn causing me to disrepect women any more than playing a violent video game has ever made me want to try going on a killing spree in reality- which has been not at all
) so wouldn't consider it any worse than a waste of time, and we all have fun wasting time at some time or another- limiting it is the key factor, at least for me.