[Intel-gfx] [PATCH] drm/i915: Transform whitelisting WAs into a simple reg write

Joonas Lahtinen joonas.lahtinen at linux.intel.com
Tue Oct 3 12:51:58 UTC 2017


On Fri, 2017-09-29 at 09:38 +0100, Chris Wilson wrote:
> Quoting Oscar Mateo (2017-09-28 23:40:39)
> > RING_FORCE_TO_NONPRIV registers do not live in the logical context. They are simply
> > global privileged MMIO registers that happen to be powercontext saved and restored
> > (meaning only they can survive RC6). Therefore, there is absolutely no need to save
> > them so that they can be restored everytime we create a new logical context.
> > 
> > Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Signed-off-by: Oscar Mateo <oscar.mateo at intel.com>
> > Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> 
> Tested-by: Chris Wilson <chris at chris-wilson.co.uk> #bxt
> 
> Now we just need Mika for the full set of tags! :)

Mika, ping?

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation


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