From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: IVB page flipping fixes (hopefully final)
Date: Thu, 16 Jun 2011 09:19:12 -0700
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This set addresses comments from Dan and Chris, namely:
  - pin & fence the new fb on the correct ring for IVB
  - cleanup gen2/3 wait code by putting it in gen2/3 wait functions
  - remove dead code
  - fix a race in the split code with the interrupt handler and flip pending

Thanks,
Jesse