[Intel-gfx] [PATCH 16/25] drm/i915: add ValleyView specific force wake get/put functions

Jesse Barnes jbarnes at virtuousgeek.org
Wed Mar 21 22:32:20 CET 2012

On Wed, 21 Mar 2012 22:11:25 +0100
Daniel Vetter <daniel at ffwll.ch> wrote:

> On Wed, Mar 21, 2012 at 12:48:37PM -0700, Jesse Barnes wrote:
> > ValleyView handles force wake differently than previous chipsets, so add
> > a couple of new functions for it.
> > 
> > But it's also untested, so no need to call these untested functions yet.
> > 
> > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> So we have forcewake but we don't need forcewak?! Can you explain how this
> works for dense me a bit?

We need force wake, just not for any parts I've tested yet (the early
ones had the Punit disabled).

This code adheres to the spec, but I'll need a part with the Punit
enabled in order to test & verify.  Until then we can leave it disabled.

Jesse Barnes, Intel Open Source Technology Center
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