i915 DRM/AGP problem

[Jonathan Fosburgh]

I am running -CURRENT (cvsup'd this morning) on a Compaq DC7100 with the i915 
chipset.  I have attempted to enable DRM on this system, but so far no luck.  
I have tried loading agp, i915, and drm via modules (command-line, 
loader.conf, and xorg server) as well as statically in the kernel.  So far I 
am having no luck.  The problem seems to be that no agp support is detected.  
dmesg -a|grep agp returns nothing, and dmesg -a|grep drm returns: 
drm0: <Intel i915G> on vgapci0
error: [drm:pid0:drm_load] *ERROR* Card isn't AGP, or couldn't initialize AGP.
device_attach: drm0 attach returned 12

The output from my pciconf -lv is:

pciconf -lv
hostb0 at pci0:0:0:        class=0x060000 card=0x3005103c chip=0x25808086 
rev=0x04 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82915G/GV/GL/P/PL/GL Grantsdale Host Bridge/DRAM Controller'
    class    = bridge
    subclass = HOST-PCI
vgapci0 at pci0:2:0:       class=0x030000 card=0x3005103c chip=0x25828086 
rev=0x04 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82915G/GV/GL, 82910GL Integrated Graphics Device'
    class    = display
    subclass = VGA
pcib1 at pci0:28:0:        class=0x060400 card=0x00000040 chip=0x26608086 
rev=0x03 hdr=0x01
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR/FW/FRW PCI Express Port 1'
    class    = bridge
    subclass = PCI-PCI
pcib2 at pci0:28:1:        class=0x060400 card=0x00000040 chip=0x26628086 
rev=0x03 hdr=0x01
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR/FW/FRW PCI Express Port 2'
    class    = bridge
    subclass = PCI-PCI
uhci0 at pci0:29:0:        class=0x0c0300 card=0x3005103c chip=0x26588086 
rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR/FW/FRW USB UHCI Controller'
    class    = serial bus
    subclass = USB
uhci1 at pci0:29:1:        class=0x0c0300 card=0x3005103c chip=0x26598086 
rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR/FW/FRW USB UHCI Controller'
    class    = serial bus
    subclass = USB
uhci2 at pci0:29:2:        class=0x0c0300 card=0x3005103c chip=0x265a8086 
rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR/FW/FRW USB UHCI Controller'
    class    = serial bus
    subclass = USB
uhci3 at pci0:29:3:        class=0x0c0300 card=0x3005103c chip=0x265b8086 
rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR/FW/FRW USB UHCI Controller'
    class    = serial bus
    subclass = USB
ehci0 at pci0:29:7:        class=0x0c0320 card=0x3005103c chip=0x265c8086 
rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR/FW/FRW USB 2.0 EHCI Controller'
    class    = serial bus
    subclass = USB
pcib3 at pci0:30:0:        class=0x060401 card=0x00000050 chip=0x244e8086 
rev=0xd3 hdr=0x01
    vendor   = 'Intel Corporation'
    device   = '82801BA/CA/DB/DBL/EB/ER/FB (ICH2/3/4/4/5/5/6), 6300ESB Hub 
Interface to PCI Bridge'
    class    = bridge
    subclass = PCI-PCI
pcm0 at pci0:30:2: class=0x040100 card=0x3005103c chip=0x266e8086 rev=0x03 
hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR/FW/FRW AC '97 Audio Controller'
    class    = multimedia
    subclass = audio
isab0 at pci0:31:0:        class=0x060100 card=0x00000000 chip=0x26408086 
rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB/FR ICH6/ICH6R LPC Interface Bridge'
    class    = bridge
    subclass = PCI-ISA
atapci0 at pci0:31:1:      class=0x01018a card=0x3005103c chip=0x266f8086 
rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB/FBM Ultra ATA Storage Controllers - 266F'
    class    = mass storage
    subclass = ATA
atapci1 at pci0:31:2:      class=0x01018f card=0x3005103c chip=0x26518086 
rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801FB ICH6 SATA Controller'
    class    = mass storage
    subclass = ATA
bge0 at pci64:0:0: class=0x020000 card=0x3005103c chip=0x167714e4 rev=0x01 
hdr=0x00
    vendor   = 'Broadcom Corporation'
    device   = 'BCM5750A1 NetXtreme Gigabit Ethernet PCI Express'
    class    = network
    subclass = ethernet

Searching through the mailing list archives doesn't show anything (that I can 
find) that appears relevant to me, or that works.  Any ideas for what I can 
try? I have the most current xorg-server-snap and dri-devel, but this appears 
to be a problem totally within the agp support for i810 and later.  I do see 
that i810_agp.c is present on my system.
-- 
Jonathan Fosburgh
AIX and Storage Administrator
UT MD Anderson Cancer Center
Houston, TX
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