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Re: question about MTRR and XFree86 4.0



PJS> according to /usr/src/linux/Documentation/mtrr.txt...
PJS>   A patch is being written for XFree86 which will make this automatic:
PJS>   in other words the X server will manipulate /proc/mtrr using the
PJS>   ioctl() interface, so users won't have to do anything.

PJS> does anybody know if this has been done yet?  it looks like my
PJS> mtrr was set:

PJS>   reg00: base=0x00000000 (   0MB), size= 128MB: write-back, count=1
PJS>   reg01: base=0x08000000 ( 128MB), size=  64MB: write-back, count=1
PJS>   reg02: base=0x0c000000 ( 192MB), size=  32MB: write-back, count=1
PJS>   reg03: base=0xe8000000 (3712MB), size=  64MB: write-combining, count=2

PJS> but i haven't echo'd anything to /proc/mtrr.

PJS> has this patch already been integrated into X 4.0?

I think yes. At least on all video cards I've tried MTRR was enabled
by XFree86 4.xx automatically.

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| Ilya Martynov (http://martynov.org/)                                    |
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