[MPlayer-users] mtrr help needed

[David Holm]

> > > All I did was cat /proc/mtrr to look at the settings.
> > > My question is what could have set up mtrr like this Xfree86? the kernel? 
> > Neighter Xfree86 nor kernel don't touch mtrrs.
> 
>  Erm... I wouldn't be so sure.
>  When  I  had MGA Millenium I, I had my mtrrs set up 'by hand'. Now, ha­
> ving Voodoo3, mtrrs are set up at start, upon loading tdfxfb  module  --
> and  then,  when  I start XFree, it wants to set up another set of mtrrs
> which *conflict* with other.
>  So,  maybe  a little bit more should be written about this mtrr thingy,
> and various type of them. And what to do in a situation as above.

There are kernel calls to register mtrr entries. We use it in the dxr3
driver. The nvidia drivers use these as well.

//David Holm
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