Validating modes should be more fuzzy

[Matthias Hopf]

On Aug 22, 07 12:42:05 -0700, Keith Packard wrote:
> On Wed, 2007-08-22 at 15:14 +0200, Matthias Hopf wrote:
> > I chose these values arbitrarily, and it should be discussed what to use
> > here (absolute/relative? How much?). I would suggest going for 0.5
> > absolute like in this patch (because people tend to specify integer
> > values for limits), or 0.1% to 1% relative.
> 
> I think VESA has a spec for what monitors are required to tolerate; it's
> on the order of 1-2% though.

But the PLL can actually be off itself a bit, so we shouldn't go past 1%.

Thanks

Matthias

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