Re: [RFC][PATCH 1/3] use new pm_ops in DRM drivers

From: Jesse Barnes
Date: Thu Apr 03 2008 - 19:50:55 EST


On Thursday, April 03, 2008 2:47 pm Benjamin Herrenschmidt wrote:
> On Thu, 2008-04-03 at 11:50 -0700, Jesse Barnes wrote:
> > +static struct pm_ops i915_pm_ops = {
> > + .prepare = NULL, /* DRM core should prevent any new ioctls? */
> > + .complete = NULL, /* required to re-enable DRM client requests
> > */
>
> The DRM core could definitely provide generic prepare & complete that
> sync'up with user space, making sure the command streams stop etc...

Yeah, that's what I had in mind. I'll have to think a little harder about it
though, I think there may be some driver specific stuff required here as
well, which would mean a driver routine that calls into a core routine (both
of which still need to be written :).

Jesse
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