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Intel 945GM and FreeBSD agp(4) driver [updated]

Published August 28th, 2006 in FreeBSD, Src

After backport 945GM support from i810 from Xorg 7.0, i try to make agp(4) work on my 945GM.

Yesterday i found the solution for this, after read some pieces of code from Linux i found that problem are caused because agp(4) driver recognize 945GM as 128MB instead of 256MB aperture size.

After that i make this patch. I already submit this patch to Eric Anholt (anholt) and i don’t know if there’s are correct, but on my tests work’s.

PR: 103079

Update: Eric Anholt found correct method to verify agp aperture size and commited in -CURRENT. Patch to RELENG_6 can be found here.

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3 Responses to “Intel 945GM and FreeBSD agp(4) driver [updated]”  

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  1. 1 TooManySecrets Aug 30th, 2006 at 11:22 am

    Excuse me my ignorance, but, after apply your patch, can you run X with acceleration with 945GM??
    Thank you!!

  2. 2 Eric Anholt Aug 31st, 2006 at 8:15 pm

    Where’s my PR? :P

  3. 3 mnag Oct 3rd, 2006 at 5:00 am

    TooManySecrets: Yes you can.

    Eric Anholt: PR kern/103079

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