[Trusty][PULL]: ubuntu/i915 rebase to v3.15.8

[Timo Aaltonen]

	Hi,

  So here's an easier backport than the previous attempt which mostly fast-forwards the shipping one to v3.15.x proper plus a couple of backports and reverts, and also cherry-picks a handful of core drm additions.

git://kernel.ubuntu.com/tjaalton/ubuntu-trusty.git i915-bdw

682db323cd71a96 drm: add DRM_CAPs for cursor size
7e4a267d61bdb58 drm/dp: Add AUX channel infrastructure
8383dd177bbc419 drm/dp: Add drm_dp_dpcd_read_link_status()
c0004c6c8367411 drm/dp: Add DisplayPort link helpers
e6915051d071281 drm/dp: Allow registering AUX channels as I2C busses
62f867693beefc6 drm/dp: let drivers specify the name of the I2C-over-AUX adapter
2ff7df4dbd2c42b drm/dp: make aux retries less chatty
a003e937b92492e UBUNTU: SAUCE: i915_bdw: Rebase to v3.15.8

the rebase commit is documented with full detail at

http://kernel.ubuntu.com/git?p=tjaalton/linux.git;a=shortlog;h=refs/heads/i915-bdw-sauce

nothing too exciting there, the branch just makes this easier to work with.


-- 
t