Comment 46 for bug 440411

Created an attachment (id=31953)
enable hotplug only for detected outputs

I didn't include all the output I wanted, but I'm hoping this is what you were running into.

This patch only enables hotplug detection for outputs we actually initialize, so should minimize the chance of getting interrupts for outputs that don't exist. I also found a note about DP_D in some recent that I'll check out, it could also be what you're hitting.