https://bugzilla.kernel.org/show_bug.cgi?id=207383
--- Comment #8 from Duncan (1i5t5.duncan@cox.net) --- Hmm. Don't think I mentioned on this bug yet that I'm running dual 4K TVs as monitors. So it could only trigger on dual display, and two 4K displays means it's pumping a lot more pixels than most cards, too.