- U_sna-Clear-our-private-hints-about-front-rendering-ex.patch
* sna: Clear our private hints about front rendering exported bo
(fdo#79999)

- Add patch U_sna_fix_scanout_creation_routine_for_old_kernels_3_11.patch
Make this driver-version usable with kernel <= 3.11

- Update to 3.0 prerelease 2.99.912:
A final round of features. We have everything from support for variable
cursor sizes, support for the DRI3 and Present extensions, improved DRI2
support, support for Xserver 1.16, userptr from kernel 3.16, and
precursory support for DP multistream transport,
* Avoid discarding dirty pixels when promoting a migration to cover the
whole pixmap.
Regression in 2.99.911
https://bugs.freedesktop.org/show_bug.cgi?id=77063
https://bugs.freedesktop.org/show_bug.cgi?id=77178
* Avoid overextending degenerate lines (and consequentially accessing
pixels outside of our damaged area).
https://bugs.freedesktop.org/show_bug.cgi?id=77074
* Fix subpixel glyph rendering on gen2 devices (830-865 chipsets)
Regression in 2.99.911
https://bugs.freedesktop.org/show_bug.cgi?id=77201
* Share the global pixman glyph cache between ZaphodHeads
https://bugs.freedesktop.org/show_bug.cgi?id=54707
* Light up all connected outputs, even if their status is unknown, on
takeover from fbcon. This prevents loss of display after a resume
on recent kernels, for example.
https://bugs.freedesktop.org/show_bug.cgi?id=77768
* Show the video overlay (when supported by the hardware) across all