PERFORCE change 132974 for review

[Rui Paulo]

At Thu, 10 Jan 2008 16:55:35 GMT,
John Baldwin wrote:
> 
> http://perforce.freebsd.org/chv.cgi?CH=132974
> 
> Change 132974 by jhb at jhb_zion on 2008/01/10 16:54:55
> 
> 	Update.
> 
> Affected files ...
> 
> .. //depot/projects/power/notes#12 edit
> 
> Differences ...
> 
> ==== //depot/projects/power/notes#12 (text+ko) ====
> 
> @@ -69,3 +69,15 @@
>  The second stage will be to make the powering off of devices more automated.
>  This is still in early design stage.  It may involve a powerd, it may
>  involve intelligence in the kernel.
> +
> +Other stuff:
> +
> +- Make the DPMS support in acpi_video a separate driver that attaches to
> +  vgapci0
> +- Automated idle device power management
> +  - Basic idea is that when a device is idle for a specified amount of time,
> +    it should power down into D1 or D2.  For example, NICs can power down
> +    when they have no link until they get link.  Audio controllers can power
> +    down when they aren't open, etc.
> +  - Want to avoid having lots of scaffolding in device drivers.  So we need
> +    to come up with some models for some frameworks.


Cool, thanks for working on this. I had this in my mind  since
forever..

--
Rui Paulo