On Thu, Dec 01, 2016 at 10:06:25AM +0000, Tvrtko Ursulin wrote:
> 
> On 01/12/2016 09:46, Chris Wilson wrote:
> >Move the GuC invalidation of its ggtt TLB to where we perform the ggtt
> >modification rather than proliferate it into all the callers of the
> >insert (which may or may not in fact have to do the insertion).
> >
> >v2: Just do the guc invalidate unconditionally, (afaict) it has no impact
> >without the guc loaded on gen8+
> 
> Why do you find it tempting to do it unconditionally? I would rather
> not touch it on gen8 at all and would also prefer the conditional
> flush in gen9.

Because if I add a conditional here, I end up wanting writing a new vfunc
for invalidate (if I can coax the gmch / gen6 / guc usage into something
consistent). And I'm lazy. :)
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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