[Bug 1160294] Re: [sandybridge-m-gt2+] GPU lockup IPEHR: 0x54f00006 IPEHR: 0x0b140001

[Chris Wilson]

Patches required:

commit 3ac7831314eba873d60b58718123c503f6961337
Author: Jesse Barnes <jbarnes at virtuousgeek.org>
Date:   Thu Oct 25 12:15:47 2012 -0700

    drm/i915: PIPE_CONTROL TLB invalidate requires CS stall
 
commit 9a28977181724ebbd9bdc45291cf29da55a729ee
Author: Jesse Barnes <jbarnes at virtuousgeek.org>
Date:   Fri Oct 26 09:42:42 2012 -0700

    drm/i915: TLB invalidation with MI_FLUSH_DW requires a post-sync op v3
 
commit 7d54a904285b6e780291b91a518267bec5591913
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Aug 10 10:18:10 2012 +0100

    drm/i915: Apply post-sync write for pipe control invalidates

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Title:
  [sandybridge-m-gt2+] GPU lockup IPEHR: 0x54f00006 IPEHR: 0x0b140001

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