On Sat, Nov 18, 2000 at 10:43:20PM -0500, John Cavan wrote:
> Bus 1, device 0, function 0:
> VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 5).
> IRQ 16.
> Master Capable. Latency=64. Min Gnt=16.Max Lat=32.
> Prefetchable 32 bit memory at 0xf6000000 [0xf7ffffff].
> Non-prefetchable 32 bit memory at 0xfeafc000 [0xfeafffff].
> Non-prefetchable 32 bit memory at 0xfe000000 [0xfe7fffff].
>
> But agpgart sets up:
>
> agpgart: Maximum main memory to use for agp memory: 440M
> agpgart: Detected Intel 440BX chipset
> agpgart: AGP aperture is 32M @ 0xfa000000
AGP aperture is feature of host bridge:
00:00.0 Host bridge: Intel Corporation 440BX/ZX - 82443BX/ZX Host bridge (rev 02)
Flags: bus master, medium devsel, latency 32
Memory at d0000000 (32-bit, prefetchable) [size=64M]
^^^^^^^^ ^^^^^^^^^^
Capabilities: [a0] AGP version 1.0
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G200 AGP (rev 01) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc. Millennium G200 AGP
Flags: bus master, medium devsel, latency 32, IRQ 11
Memory at d8000000 (32-bit, prefetchable) [size=16M]
Memory at d4000000 (32-bit, non-prefetchable) [size=16K]
Memory at d5000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled] [size=64K]
Capabilities: [dc] Power Management version 1
Capabilities: [f0] AGP version 1.0
So it matters what you have listed in 00:00.0 node, not on Matrox device.
> Needless to say, the two disagree and direct rendering is disabled.
> Attached is my .config for 2.4.0-test11-pre7. I've been wading through
> the code for AGP and DRM support, but nothing jumps out at me.
> (http://www.matrox.com/mga/support/drivers/latest/home.htm)
As matrox driver contains large BLOB which does all important things
(dualhead) usual practices about binary only software applies.
Best regards,
Petr Vandrovec
vandrove@vc.cvut.cz
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