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From: Vladimir Grebenschikov <vova@fbsd.ru>
To: John Baldwin <jhb@FreeBSD.org>
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Date: Wed, 08 Sep 2004 12:07:34 +0400
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Subject: Re: ATI Radeon LY Mobility M6: DRM does not work - locking issue ?
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=F7 =D3=D2, 08/09/2004 =D7 11:21 +0400, Vladimir Grebenschikov =D0=C9=DB=C5=
=D4:
> =F7 =D7=D4, 07/09/2004 =D7 15:25 -0400, John Baldwin =D0=C9=DB=C5=D4:
>=20
> > Your AGP bridge isn't supported it seems.  Does 'dmesg | grep agp' show=
=20
> > anything?
>=20
> nothing, but
>=20
> # pciconf -lv
> agp0@pci0:0:0:  class=3D0x060000 card=3D0x8140104d chip=3D0x33408086 rev=
=3D0x03
> hdr=3D0x00
>     vendor   =3D 'Intel Corporation'
>     device   =3D '82855PM Odem Host-Hub Interface Bridge'
>     class    =3D bridge
>     subclass =3D HOST-PCI
> ...
>=20
> #  ls -l /dev/agp*
> crw-------  1 root  wheel  242,   0 Sep  8 11:00 /dev/agpgart

also in Xorg.0.log there is following message:

(=3D=3D) RADEON(0): Write-combining range (0x0,0x1000) was already clear
(--) RADEON(0): Chipset: "ATI Radeon Mobility M6 LY (AGP)" (ChipID =3D
0x4c59)
(--) RADEON(0): Linear framebuffer at 0xd8000000
(--) RADEON(0): VideoRAM: 16384 kByte (32 bit DDR SDRAM)
(II) RADEON(0): AGP card detected


> any clues ?
>=20
> > from Xorg.0.log:
> >
> > drmOpenDevice: minor is 0
> > drmOpenDevice: node name is /dev/dri/card0
> > drmOpenDevice: open result is 6, (OK)
> > drmOpenDevice: minor is 0
> > drmOpenDevice: node name is /dev/dri/card0
> > drmOpenDevice: open result is 6, (OK)
> > drmOpenDevice: minor is 0
> > drmOpenDevice: node name is /dev/dri/card0
> > drmOpenDevice: open result is 6, (OK)
> > drmGetBusid returned ''
> > (II) RADEON(0): [drm] created "radeon" driver at busid "PCI:1:0:0"
> > (II) RADEON(0): [drm] added 8192 byte SAREA at 0xc391c000
> > (II) RADEON(0): [drm] mapped SAREA 0xc391c000 to 0x283c2000
> > (II) RADEON(0): [drm] framebuffer handle =3D 0xd8000000
> > (II) RADEON(0): [drm] added 1 reserved context for kernel
> > (WW) RADEON(0): [agp] AGP not available
> > (II) RADEON(0): [drm] removed 1 reserved context for kernel
> > (II) RADEON(0): [drm] unmapping 8192 bytes of SAREA 0xc391c000 at
> > 0x283c2000
> > ...
> > (II) RADEON(0): Direct rendering disabled
> >
> >
> > Can anybody advise how to make DRM work under 6-CURRENT and latest
> > Xorg ?
>=20
--=20
Vladimir B. Grebenchikov
vova@fbsd.ru