how to read EDID/xrandr

Éric Piel E.A.B.Piel at
Mon Oct 12 06:05:40 PDT 2009

Op 11-10-09 03:35, Ondrej Balaz schreef:
> Hi,
> is it possible to get edid info (especialy vendor and product id) for 
> each of xrandr screens through X11 api?
> I'm creating utility to remember various devices connected to VGA output
> of my laptop (their mode/resolution, position etc.). AFAIK there is no
> better identificator than vendor+product_id pair. I can see both
> informations for various devices in my Xorg.0.log but I don't know how
> to "reaccess" them (if it's possible).
Sounds like a neat utility program. Would you mind posting an
announcement when it's working?

Here, with the intel driver, I can see the edid of each screen in the
EDID_DATA property by doing:
xrandr --verbose

So it should be possible to get it programmatically :-)


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