[Bug 80913] [snb] Freeze with SMP support (stuck on render ring)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80913

--- Comment #6 from Chris Wilson <chris at chris-wilson.co.uk> ---
One based off nightly on the 4th of July. It's a two line patch - just add
drm_clflush_virt_range(pd_vaddr, PAGE_SIZE); before kunmap_atomic() in
gen6_ppgtt_insert_entries.

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