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

[Chris Wilson]

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! :)
-Chris