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

[Jesse Barnes]

On Wed, 3 Aug 2011 08:06:05 +0100
Dave Airlie <airlied at gmail.com> wrote:

> > 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.

Yeah that's pretty common.  On my Vaio, I can get DDC bits from the
HDMI port with the Intel display controller, but can't actually light
it up.  I guess it's cheaper to do that than to wire up a full MUX for
the port.

-- 
Jesse Barnes, Intel Open Source Technology Center