r good (Chris)
- read_reg ioctl (Ben)
- support the ns2501 dvo (Thomas Richter)
- avoid the costly gen6+ "missed IRQ" workaround where we don't need a
  race-free seqno readback (Chris)
- various bits&pieces, mostly early patches from the modeset rework branch"

* 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel: (54 commits)
  drm/i915: don't grab dev->struct_mutex for userspace forcewak
  drm/i915: try harder to find WR PLL clock settings
  drm/i915: use the correct encoder type when comparing
  drm/i915: Lazily apply the SNB+ seqno w/a
  drm/i915: enable rc6 on ilk again
  drm/i915: fix up ilk drps/ips locking
  drm/i915: DE_PCU_EVENT irq is ilk-only
  drm/i915: kill dev_priv->mchdev_lock
  drm/i915: move all rps state into dev_priv->rps
  drm/i915: use mutex_lock_interruptible for debugfs files
  drm/i915: fixup up debugfs rps state handling
  drm/i915: properly guard ilk ips state
  drm/i915: add parentheses around PIXCLK_GATE definitions
  drm/i915: reindent Haswell register definitions
  drm/i915: completely reset the value of DDI_FUNC_CTL
  drm/i915: correctly set the DDI_FUNC_CTL bpc field
  drm/i915: set the DDI sync polarity bits
  drm/i915: fix pipe DDI mode select
  drm/i915: dump the device info
  drm/i915: fixup desired rps frequency computation
  ...
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