Messages in this thread | | | Date | Wed, 13 Dec 2000 08:33:47 +0100 (CET) | From | Boszormenyi Zoltan <> | Subject | Re: 2.2.16 SMP: mtrr errors |
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On Tue, 12 Dec 2000, Petr Vandrovec wrote: > That's wrong. They must first register MTRR and then split it to > 24+8, as they cannot register 24MB range. They can split it > 16+16, or (16+8)+8, but at cost of 1 (or 2) additional MTRR entries - > and there is very limited number of possible MTRRs. > > Matroxfb also splits Matrox memory in 24:8, but it registers only one > region in mtrr. Of course, in X, as mtrr registration is done by map > videomemory, you must tell this function to not register mtrr... > > Best regards, > Petr Vandrovec > vandrove@vc.cvut.cz
NOW, I am really convinced that we need PAT support on top of the crappy MTRR driver. :-) I already started working on it...
Regards, Zoltan Boszormenyi
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