Merge branch 'drm-fixes-intel' of git://people.freedesktop.org/~airlied/linux

Pull drm update from Dave Airlie:
 "This pull just contains a forward of the Intel fixes from Daniel.

  The only annoyance is the RC6 enable, which really should have made
  -next, but since Ubuntu are shipping it I reckon its getting a good
  testing now by the time 3.4 comes out.

  The pull from Daniel contains his pull message to me:

    "A few patches for 3.4, major part is 3 regression fixes:
     - ppgtt broke hibernate on snb/ivb.  Somehow our QA claims that it
       still works, which is why this has not been caught earlier.
     - ppgtt flails in combination with dmar.  I kinda expected this one :(
     - fence handling bugfix for gen2/3.  Iirc this one is about a year
       old, fix curtesy Chris Wilson.  I've created an shockingly simple
       i-g-t test to catch this in the future."

     Wrt regressions I've just got a report that gmbus (newly enabled
     again in 3.4) is a bit noisy.  I'm looking into this atm.

     Also included are the rc6 enable patches for snb from Eugeni.  I
     wanted to include these in the main 3.4 pull but screwed it up.
     Please hit me.  Imo these kind of patches really should go in
     before -rc1, but in thise case rc6 has brought us tons of press and
     guinea pigs^W^W testers and ubuntu is already running with it.  So
     I estimate a pretty small chance for this to blow up.

     And some smaller things:
      - two minor locking snafus
      - server gt2 ivb pciid
      - 2 patches to sanitize the register state left behind by the bios
        some more
      - 2 new quirk entries
      - cs readback trick against missed IRQs from ivb also enabled on snb
      - sprite fix from Jesse"

Let's see if the "enable RC6 on sandybridge" finally works and sticks.
I've been enabling it by hand (i915.i915_enable_rc6=1) for several
months on my Macbook Air, and it definitely makes a difference (and has
worked for me).  But every time we enabled it before it showed some odd
hw buglet for *somebody*.

This time it's all good, I'm sure.

* 'drm-fixes-intel' of git://people.freedesktop.org/~airlied/linux:
  drm/i915: treat src w & h as fixed point in sprite handling code
  drm/i915: no-lvds quirk on MSI DC500
  drm/i915: Add lock on drm_helper_resume_force_mode
  drm/i915: don't leak struct_mutex lock on ppgtt init failures
  drm/i915: disable ppgtt on snb when dmar is enabled
  drm/i915: add Ivy Bridge GT2 Server entries
  drm/i915: properly clear SSC1 bit in the pch refclock init code
  drm/i915: apply CS reg readback trick against missed IRQ on snb
  drm/i915: quirk away broken OpRegion VBT
  drm/i915: enable plain RC6 on Sandy Bridge by default
  drm/i915: allow to select rc6 modes via kernel parameter
  drm/i915: Mark untiled BLT commands as fenced on gen2/3
  drm/i915: properly restore the ppgtt page directory on resume
  drm/i915: Sanitize BIOS debugging bits from PIPECONF

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