[ANNOUNCE] xf86-video-intel 2.20.15

[Chris Wilson]

Release 2.20.15 (2012-12-03)
============================
And lo, enabling more of the common acceleration paths for gen4 revealed
another lurking bug - something is wrong with how we prepare Y-tiling
surfaces for rendering. For the time being, we can surreptiously disable
them for gen4 and avoid hitting GPU hangs.

 * Avoid clobbering the render state after failing to convert the
   operation to use the blitter.
   https://bugs.freedesktop.org/show_bug.cgi?id=57601

 * Disable shadow tracking upon server regeneration, and so fix a crash
   if you restart the server whilst a RandR transform (e.g. rotation) is
   in effect.
   https://bugs.freedesktop.org/show_bug.cgi?id=52255
   https://bugs.freedesktop.org/show_bug.cgi?id=56608


Chris Wilson (16):
      sna: Use a single execobject flag to mark read/write domains
      sna: Disable shadow tracking upon regen
      sna/blt: Avoid clobbering common state before converting to a BLT
      sna/gen5+: Disable max-vbo address
      sna/gen6+: Override PTE cacheability bits for reads
      sna/g4x: Emit the flush prior to changing pipelined state
      sna/g4x: Remove the flush before the pipelined pointer changes
      sna: Increase tiling alignment to an even tile
      sna/g4x: And remove one more flush point
      sna: Prevent gen4 from rendering to I915_TILING_Y
      Convert generation counter to octal
      sna: Unify gen4 acceleration again
      sna/gen6+: Only apply the BLT w/a for self-copies
      sna/dri: Unknown generations are given the max value and presume i965_dri.so
      sna/gen5: Inspired by gen4, reorder the flushing
      2.20.15 release

git tag: 2.20.15

http://xorg.freedesktop.org/archive/individual/driver/xf86-video-intel-2.20.15.tar.bz2
MD5:  12e2bc4609b54212bcf0318928eccaa3  xf86-video-intel-2.20.15.tar.bz2
SHA1: 1c0f96f869b6d095760dd0783f59bc2f220cb9fe  xf86-video-intel-2.20.15.tar.bz2
SHA256: 09ba6878746193951b5471d9ed54fa6115fea97477ed33d0b9bd9b8cafd9e163  xf86-video-intel-2.20.15.tar.bz2

http://xorg.freedesktop.org/archive/individual/driver/xf86-video-intel-2.20.15.tar.gz
MD5:  1d36289d0e66cc2d31fca855fbd2b5c6  xf86-video-intel-2.20.15.tar.gz
SHA1: 6aa409fa8c563b185c03dc3c9aeff0b0b89796b1  xf86-video-intel-2.20.15.tar.gz
SHA256: 1c731849213e97d7052ac65384015915c9ce57376d9da2b4bf52f8c2d7fca322  xf86-video-intel-2.20.15.tar.gz

-- 
Chris Wilson, Intel Open Source Technology Centre
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