[Intel-gfx] Bay Trail PTE fixes

[Ben Widawsky]

On Thu, Apr 18, 2013 at 01:28:33PM -0700, Kenneth Graunke wrote:
> This refactors our PTE encoding functions, splitting them out into
> per-generation functions.  Patch 2 fixes the page table entries for
> the latest revision of Bay Trail, which is necessary to avoid GPU hangs.
> 
> I've tested these patches on Bay Trail and Haswell.  Not SNB/IVB.
> 
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These were internally
Tested-by: Daniel Leung <daniel.leung at linux.intel.com>

-- 
Ben Widawsky, Intel Open Source Technology Center