I tried asking on dri-users and didn't get any feedback, so as they say,
go to the horse's mouth...
I bought a Matrox G450 PCI card. It's important to note that this is
the PCI version of the G450 and not the AGP card. Which is where the
trouble begins...so I have X running, mostly...now I want to go to the
next level and get DRI up and running. I'm running RedHat 7.1 (Linux
2.4.3) and XFree86 4.0.3. I simply can't bring up DRI under
X...according to the logs, the kernel modules aren't loading. My
suspicion is that the problem is that the kernel modules don't recognize
the G450 PCI. Has anyone else run into this? If so, what's the status
on getting the PCI version of the G450 running under DRI? It seems that
the way Matrox implemented the G450 is to embed an AGI-to-PCI bridge on
the card itself, and Linux doesn't seem to cope well with it. But
that's pure conjecture at the moment.
When trying to modprobe the modules directly, I get notified that there
are no AGP cards on my system, which isn't surprising seeing as I have
no AGP slots. :) Interestingly, lspci -v reports:
00:13.0 PCI bridge: Hint Corp: Unknown device 0021 (rev 12) (prog-if 00
[Normal decode])
Flags: bus master, medium devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Memory behind bridge: faf00000-fbffffff
Prefetchable memory behind bridge:
00000000f6e00000-00000000fae00000
Capabilities: [80] Power Management version 2
Capabilities: [90] #06 [0000]
Capabilities: [a0] Vital Product Data
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP
(rev 82) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc.: Unknown device 0d41
Flags: bus master, medium devsel, latency 136, IRQ 11
Memory at f8000000 (32-bit, prefetchable) [size=32M]
Memory at fbffc000 (32-bit, non-prefetchable) [size=16K]
Memory at fb000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Capabilities: [f0] AGP version 2.0
Which is what leads me to believe that there's an AGP-to-PCI bridge
implemented on the card somehow.
Any help or direction would be greatly appreciated,
Mac
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