RandR 1.3 additions?

Nicolas Trangez eikke at eikke.com
Tue Jul 17 02:50:43 PDT 2007

On Tue, 2007-07-17 at 03:44 +0200, Jerome Glisse wrote:
> Talking of power management i have been wondering if it wouldn't be
> nice
> to have some kind of infrastructure to scale down GPU & VRAM clock
> (on card which can) anytime we don't have activity. The tricky point
> is that
> is bit hard to find out what we can call activity maybe we should just
> provide
> infrastructure and let a user program/daemon choose what is inactivity
> (no
> input in last minute, or nothing got refreshed, maybe better
> information is how
> many change happen to the currently displayed framebuffer things like
> damage
> extension might provide such information in more or less accurate
> way). 
Providing infrastructure would be great, policy would go into something
like gnome-volume-manager I guess, which could e.g. go into low-power
mode when the session screensaver starts, or when the display goes into
DPMS mode, when the battery reaches 10%,... This fits pretty well into
HAL's power management methods.

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