[Intel-gfx] [PATCH 2/2] agp/intel: Use a write-combining map for updating PTEs

[Chris Wilson]

On Fri, 14 Sep 2012 11:57:47 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> v2: Limit the WC mapping to older generations as we should the TLB
> invalidation on SandyBridge+ unreliable.

/me fires his editor and proof-reader

v2: Limit the WC mapping to older generations as we have observed that
the TLB invalidation on SandyBridge+ is unreliable with WC updates.
See i-g-t/tests/gem_gtt_cpu_tlb
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre