[Nouveau] FPS limiter implementation in driver

[polytan]

FPS and Refresh rate are different.

http://en.wikipedia.org/wiki/Refresh_rate
http://en.wikipedia.org/wiki/Frame_rate

Sincerely,

2007/9/3, Pekka Paalanen <pq at iki.fi>:
>
> On Mon, 3 Sep 2007 11:28:40 +0200
> "Manuel Signoret" <manuel.signoret at wanadoo.fr> wrote:
>
> > I dream about a FPS limiter included directly in my NVidia GC.
> > Because I think that a non-marketing attitude should be to use a FPS
> > of 30-35 in the majority of the 3D-games.
> >
> > In order to economize energy, heat production and improve system
> > stability. And also to fight a few against some stupid marketing
> > excesses.
>
> Isn't Sync to Vertical Blank enough? That should rate limit it to
> screen refresh rate. Or would you really want to go lower than refresh
> rate?
>
> With flat panels you can in theory go very low in refresh rate. I have
> not experimented with it myself, but I do not know of any reason why
> e.g. 30 Hz refresh rate would not be possible. Unless frequency
> generators cannot be adjusted that low...
> Of course with CRT this is impossible due to flicker.
> Might also require custom modelines.
>
> --
> Pekka "PQ" Paalanen
> http://www.iki.fi/pq/
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>



-- 

  -=( Polytan )=-
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