[MPlayer-users] mtrr help needed
david at realityrift.com
Sun Feb 24 08:56:02 CET 2002
> > > 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.
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