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    SubjectRe: 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.
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