Making Fedora work with laptops on docking station with external monitor
mjg59 at srcf.ucam.org
Wed Oct 27 17:01:39 UTC 2010
On Wed, Oct 27, 2010 at 11:53:01AM -0400, Fulko Hew wrote:
> So I'm going to hijack this thread a little and ask if anyone can
> point me to a resource that can tell me (at the lowest level) what
> I need to interact with (what hardware bus I need to send messages on)
> to send the request for EDID info to a monitor and get the results
> so I can decode them. (I have the message format info, I just don't
> know where to send/receive the stuff.
/sys/class/drm/*/edid . You really don't want to do i2c from userspace
if you can possibly avoid it.
Matthew Garrett | mjg59 at srcf.ucam.org
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