[Precise][PULL] SRU: #982415, #999910, #1015120 -- drm/i915 backports

[Timo Aaltonen]

	Hi

  I've sent all of these to the stable queue for v3.2.x, you can pull them from

git://kernel.ubuntu.com/tjaalton/ubuntu-precise.git for-stable


the branch includes three commits, fixing (at least) these bugs

https://bugs.launchpad.net/ubuntu/precise/+source/linux/+bug/982415 :
14667a4bde4361b drm/i915: Finish any pending operations on the framebuffer before disabling

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/999910
7ea29b13e5e3e1e drm/i915: Do the fallback non-IRQ wait in ring throttle, too.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1015120 :
5d031e5b633d910 drm/i915: Remove use of the autoreported ringbuffer HEAD position


 drivers/gpu/drm/i915/i915_gem.c         |    4 ++
 drivers/gpu/drm/i915/intel_display.c    |   65 ++++++++++++++++++++++---------
 drivers/gpu/drm/i915/intel_ringbuffer.c |   14 +------
 3 files changed, 51 insertions(+), 32 deletions(-)