[ubuntu-x] i8xx legacy driver

[Christopher James Halse Rogers]

Hello intrepid X adventurers!

The wonderful world of i8xx freezes probably needs no introduction.
What does need introduction is the xserver-xorg-video-intel driver in
ppa:raof/aubergine¹.  This construction of Chris Wilson's re-introduces
a GEM-less UMS codepath, which should work around the GTT incoherency
problems.

This needs testing — on *all* Intel chips, not just i8xx — to both
ensure that it doesn't break current chips and that the UMS codepath
works successfully, and doesn't hit the same i8xx bugs that the current
driver hits.

Once we've tested this successfully we can throw a lot of Tested-bys at
the code and help Chris push it to mainline.

If you test this, please respond to this email — drop a quick mail if it
works fine, or describe what's broken if it doesn't.

[1]: https://edge.launchpad.net/~raof/+archive/aubergine
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