[PULL] Updates to i915_bdw

[Timo Aaltonen]

	Hi!

  This will update ubuntu/i915 to a subset of v3.15 which doesn't need pulling
a lot of drm core commits as well. The rebase together with HEAD^1 fixes critical
stability issues with the driver.

The commit on top fixes stock i915 on Haswell machines, we had duplicate symbols and that
creates a race where snd_hda_i915 might end up loading i915_bdw on a Haswell system, which
then later blows up when X is started.. Adding Broadwell support to snd_hda_i915 is WIP and
will arrive later.

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

cbeff557a4cb7de UBUNTU: SAUCE: i915_bdw: Add BDW specific power well calls
cd4947d9105e6bf UBUNTU: SAUCE: i915_bdw: drm/i915: add render state initialization
d392c9f750a135a UBUNTU: SAUCE: i915_bdw: drm/i915: Do not dereference pointers from ring buffer in evict event
614c89630557347 UBUNTU: SAUCE: i915_bdw: drm/i915: Fix scanline counter fixup on BDW
02e600dd72c9f31 UBUNTU: SAUCE: i915_bdw: drm/i915: Correct PPGTT total size
411d4d7ede287da UBUNTU: SAUCE: i915_bdw: drm/i915: Fix PSR programming
e0743f933312a70 UBUNTU: SAUCE: i915_bdw: drm/i915: Broadwell expands ACTHD to 64bit
5a9fd66149c25cd UBUNTU: SAUCE: i915_bdw: drm/i915/bdw: Implement Wa4x4STCOptimizationDisable:bdw
bc34705ce8d13dd UBUNTU: SAUCE: i915_bdw: drm/i915: fix assert_cursor on BDW
10a67aa12dfbf71 UBUNTU: SAUCE: i915_bdw: Rebase to drm-intel-next-2014-03-07 + fixes
c45b24bd383ee54 drm: export cmdline and preferred mode functions from fb helper
74d2cc4a488440b drm: dp helper: Add DP test sink CRC definition.
59486974c00847e drm: expose subpixel order name routine v3



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t