[Intel-gfx] gen6 (SNB) garbled window content when scrolling with SNA enabled

[Dave Airlie]

> Also, is it a bug that xrandr does not report eDP and DVI ports? (the first
> one is located on the NTB itself and dock, DVI is located on the dock only.)
> xrandr reports only VGA1 and LVDS1 ports. I have optimus variant but
> I switched to Intel only in BIOS.

Its most likely they aren't wired to the Intel chip at all, just the nvidia.

Dave.