Messages in this thread | | | Date | Fri, 05 May 2006 12:20:36 -0700 | From | Ian Romanick <> | Subject | Re: Add a "enable" sysfs attribute to the pci devices to allow userspace (Xorg) to enable devices without doing foul direct access |
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Peter Jones wrote: > On Thu, 2006-05-04 at 17:38 -0400, Jon Smirl wrote: > >># cd /sys/bus/pci/devices/0000:01:00.0 >># echo 1 >rom >># hexdump -C rom >> >>As far as I know this works on every platform, not just the PC one. > > Yep, you're right, this works. So we don't necessarily need it for the > vbetool case. X still could use it though, instead of their scary > poke-at-memory way.
Dave Airlie recently changed X to use sysfs for reading ROMs. I'm also working on some changes to eliminate nearly all of the PCI bus poking that X does. Search for "PCI rework" or "libpciaccess" in the xorg list archives. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux)
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