re-probing DDC/EDID

Robert Noland rnoland at
Mon May 25 23:18:16 UTC 2009

On Mon, 2009-05-25 at 14:12 -0700, perryh at wrote:
> Robert Noland <rnoland at!rnoland at> wrote:
> > If you look at your xorg log, you should see the modes
> > that are probed and calculated for the display.
> Indeed, but only during startup AFAIK.  What I am looking for is a
> way to repeat the probing and calculation, _without_ restarting X.
> And yes, I recognize that -- since X is not being restarted -- such
> an operation will not affect what is being displayed:  it will only
> produce a report.
> The question is, is this possible?

I am fairly certain that this happens when you do an "xrandr -q"  Have
you actually tried any of the things that I've suggested?


Robert Noland <rnoland at>
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