[git pull] drm fixes

[Dave Airlie]

Hi Linus,

Some fixes for page size mismatches in radeon, a lockdep noticed locking 
problem, and a fix to zero some memory that was being passed to userspace.

Dave.

The following changes since commit 003f6c9df54970d8b19578d195b3e2b398cdbde2:

  lib/sha1.c: quiet sparse noise about symbol not declared (2011-09-13 16:09:41 -0700)

are available in the git repository at:
  git://people.freedesktop.org/~/linux.git drm-fixes

Alex Deucher (2):
      drm/radeon/kms: fix typo in r100_blit_copy
      drm/radeon/kms: Make GPU/CPU page size handling consistent in blit code (v2)

Ben Skeggs (1):
      drm/ttm: request zeroed system memory pages for new TT buffer objects

Michel Dänzer (2):
      drm/radeon: Don't read from CP ring write pointer registers.
      drm/radeon: Unreference GEM object outside of spinlock in page flip error path.

 drivers/gpu/drm/radeon/evergreen.c      |   14 ++++++++------
 drivers/gpu/drm/radeon/ni.c             |   12 ++++++------
 drivers/gpu/drm/radeon/r100.c           |   22 ++++++++++------------
 drivers/gpu/drm/radeon/r200.c           |    4 ++--
 drivers/gpu/drm/radeon/r600.c           |   14 ++++++++------
 drivers/gpu/drm/radeon/radeon.h         |    7 ++++---
 drivers/gpu/drm/radeon/radeon_asic.h    |    8 ++++----
 drivers/gpu/drm/radeon/radeon_display.c |    2 +-
 drivers/gpu/drm/radeon/radeon_ttm.c     |    7 ++++++-
 drivers/gpu/drm/ttm/ttm_bo.c            |    3 ++-
 10 files changed, 51 insertions(+), 42 deletions(-)