[Mesa-stable] [PATCH 0/3] i965/gen6: Emit more flushes

[Chad Versace]

In solving a HiZ hang before Christmas vacation, I discovered that Mesa wasn't
emitting sufficient workaround flushes.  That bug was solved in commit 1a92881.

This series, prompted by Ken, adds some more carefully placed flushes to
pre-emptively fix undiscovered gpu hangs.  Gpu hangs are difficult to diagnose,
hurt users pretty hard, and are overall nasty, so it's a good idea to put
safeguards into the driver to prevent them.

Chad Versace (3):
  i965/gen6: Set need_workaround_flush after each primitive
  i965/gen6/blorp: Set need_workaround_flush at top of blorp
  i965/gen6/blorp: Remove too heavy HiZ workaround

 src/mesa/drivers/dri/i965/gen6_blorp.cpp | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

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1.8.5.2