[pull] drm-intel-fixes for 3.4-rc3

[Daniel Vetter]

Hi Dave

3 regression fixes:
- disable gmbus again, too broken for 3.4, we'll try again for 3.5
- dp bandwidth computation fix, we've lost the 6bpc dithering flag
  sometimes, this is a 3.3 regression (maybe even earlier for some
  configurations).
- fix resume regression caused by the gen2/3 fencing fix merged into -rc2.

And a few other fixes:
- gpu hang fix for i845 (Chris)
- sprite fix (Armin Reese)
- crtc disable vs. scanlinewait race fix (Chris)
- rc6 module option read-only, it confused testers (Jesse)
- fbc related blitter death hw workaround, note that we disable fbc on snb
  by default anyway.

With these fixes we have one 3.4 regression outstanding: One of the
cleanup patches for the interlaced support managed to confuse the lvds
panel fitter when upscaling. The root-cause is still unclear, but test
patches are awaiting feedback from the reporter.

Yours, Daniel

The following changes since commit 0034102808e0dbbf3a2394b82b1bb40b5778de9e:

  Linux 3.4-rc2 (2012-04-07 18:30:41 -0700)

are available in the git repository at:

  git://people.freedesktop.org/~danvet/drm-intel drm-intel-fixes

for you to fetch changes up to 15a13bbdffb0d6288a5dd04aee9736267da1335f:

  drm/i915: clear fencing tracking state when retiring requests (2012-04-12 09:02:37 +0200)

----------------------------------------------------------------
Chris Wilson (2):
      drm/i915: Finish any pending operations on the framebuffer before disabling
      drm/i915/ringbuffer: Exclude last 2 cachlines of ring on 845g

Daniel Vetter (4):
      drm/i915: properly compute dp dithering for user-created modes
      Revert "drm/i915: reenable gmbus on gen3+ again"
      drm/i915: implement ColorBlt w/a
      drm/i915: clear fencing tracking state when retiring requests

Jesse Barnes (1):
      drm/i915: make rc6 module parameter read-only

acreese (1):
      drm/i915: Removed IVB forced enable of sprite dest key.

 drivers/gpu/drm/i915/i915_drv.c         |    2 +-
 drivers/gpu/drm/i915/i915_gem.c         |    2 +
 drivers/gpu/drm/i915/i915_reg.h         |    3 +
 drivers/gpu/drm/i915/intel_display.c    |   69 ++++++++++++++++++++++--------
 drivers/gpu/drm/i915/intel_dp.c         |   49 ++++++++++++++++------
 drivers/gpu/drm/i915/intel_i2c.c        |    2 +-
 drivers/gpu/drm/i915/intel_ringbuffer.c |    2 +-
 drivers/gpu/drm/i915/intel_sprite.c     |    1 -
 8 files changed, 93 insertions(+), 37 deletions(-)
-- 
Daniel Vetter
Mail: daniel@xxxxxxxx
Mobile: +41 (0)79 365 57 48
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