[Quantal][Pull-Request] GPU hangs regression on Quantal

[Luis Henriques]

The following changes since commit d838c2130beecb2218accd425e8c619b3fe47f3b:

  KVM: x86: fix for buffer overflow in handling of MSR_KVM_SYSTEM_TIME (CVE-2013-1796) (2013-04-05 06:24:54 -0600)

are available in the git repository at:

  git://kernel.ubuntu.com/henrix/ubuntu-quantal.git master-next

for you to fetch changes up to 1e2a12bb258a8d3ba99d73859ec35a2ee1c685ff:

  drm/i915: PIPE_CONTROL TLB invalidate requires CS stall (2013-04-09 16:42:12 +0100)

----------------------------------------------------------------
Ben Widawsky (1):
      drm/i915: PIPE_CONTROL_TLB_INVALIDATE

Chris Wilson (1):
      drm/i915: Apply post-sync write for pipe control invalidates

Daniel Vetter (1):
      drm/i915: "Flush Me Harder" required on gen6+

Jesse Barnes (2):
      drm/i915: TLB invalidation with MI_FLUSH_DW requires a post-sync op v3
      drm/i915: PIPE_CONTROL TLB invalidate requires CS stall

 drivers/gpu/drm/i915/i915_reg.h         |  9 +++--
 drivers/gpu/drm/i915/intel_ringbuffer.c | 62 ++++++++++++++++++++++++---------
 drivers/gpu/drm/i915/intel_ringbuffer.h |  2 ++
 3 files changed, 54 insertions(+), 19 deletions(-)