beryl/agpgart/i810/Intel 950 GMA

Reid Linnemann lreid at cs.okstate.edu
Thu Jun 14 16:39:56 UTC 2007


Written by Kevin Downey on 06/14/07 11:32>>
> On 6/14/07, Reid Linnemann <lreid at cs.okstate.edu> wrote:
>> Written by Eduardo Viruena Silva on 06/13/07 21:07>>
>> >
>> > Hello Guys,
>> >
>> > I have an Intel 950 GMA video card,
>> > built-in in my computer's motherboard.
>> > My motherboard is D945NT.
>> >
>> > I installed FreeBSD-6.2-RELEASE, and cvsupdated
>> > it to FreeBSD-6.2-RELEASE-p5.
>> >
>> > Installed my ports and cvsupdated them.
>> >
>> > I found "beryl"  in /usr/ports/x11-wm, it
>> > seemed to depend on Xorg-7.2
>> >
>> > I successfully upgrade Xorg-6.9 to Xorg-7.2.
>> > I also compiled beryl, everything seems to be ok.
>> >
>> > ..and I have tried to make it work, I give up.
>> >
>> > The problem seems to be that X is
>> > trying to find /dev/agpgart, according
>> > to my /var/log/Xorg.0.log:
>> >
>> > (II) I810(0): VESA VBE OEM Vendor: Intel Corporation
>> > (II) I810(0): VESA VBE OEM Product: Intel(r) 82945G Chipset Family
>> > Graphics Controller
>> > (II) I810(0): VESA VBE OEM Product Rev: Hardware Version 0.0
>> > (II) I810(0): Integrated Graphics Chipset: Intel(R) 945G
>> > (--) I810(0): Chipset: "945G"
>> > (--) I810(0): Linear framebuffer at 0x40000000
>> > (--) I810(0): IO registers at addr 0x50100000
>> > (==) I810(0): Write-combining range (0x50100000,0x80000) was already 
>> clear
>> > (II) I810(0): 2 display pipes available.
>> > (II) I810(0): detected 7932 kB stolen memory.
>> > (EE) GARTInit: Unable to open /dev/agpgart (No such file or directory)
>> > (WW) I810(0): /dev/agpgart is either not available, or no memory is
>> > available
>> > for allocation.  Using pre-allocated memory only.
>> > (--) I810(0): Pre-allocated VideoRAM: 7932 kByte
>> >
>> > I have seen beryl working on Gentoo Linux,
>> > /dev/agpgart is present in an identical system,
>> > and it seems to me that it is not a problem
>> > of memory allocation.
>> >
>> > so...
>> >
>> > What do I have to do to create /dev/agpgart?
>> >
>> > My kernel has
>> >
>> >     device     agp
>> >
>> > present.
>> >
>> > Thank you in advance.
>> >
>> >          Eduardo.
>> >
>> > _______________________________________________
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>> > http://lists.freebsd.org/mailman/listinfo/freebsd-questions
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>>
>> It looks to me like you don't have working dri/drm. You have to have
>> direct rendering working before you can get beryl working. AFAIK, drm
>> support for your chipset is not available in 6.1-RELEASE, and the drm
>> module is what provides the agpgart device.
>>
>> sys/dev/drm/drm_pciids.h on 6-STABLE from about February shows this:
>>
>> #define i915_PCI_IDS \
>>          {0x8086, 0x3577, 0, "Intel i830M GMCH"}, \
>>          {0x8086, 0x2562, 0, "Intel i845G GMCH"}, \
>>          {0x8086, 0x3582, 0, "Intel i852GM/i855GM GMCH"}, \
>>          {0x8086, 0x2572, 0, "Intel i865G GMCH"}, \
>>          {0x8086, 0x2582, 0, "Intel i915G"}, \
>>          {0x8086, 0x2592, 0, "Intel i915GM"}, \
>>          {0x8086, 0x2772, 0, "Intel i945G"}, \
>>          {0x8086, 0x27A2, 0, "Intel i945GM"}, \
>>          {0, 0, 0, NULL}
>>
>> So you have to have the i915 module loaded to use this chipset. Though
>> the i915 driver was ported for 6.1-RELEASE there was no Makefile
>> included, and it never really worked until after 6.2-RELEASE.
>> Personally, I'm tracking 6-STABLE and I've had drm working with an i845G
>>   since February of this year when anholt MFC'd a load of i915 drm
>> changes. See this log for more info:
> 
> http://anholt.livejournal.com/34566.html
> in an email on may 19th anholt indicated that there is no working
> support for the 965G
> 

Thanks for the link to anholt's journal. This doesn't affect the 945G, 
though, right?


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