Why EDID is not trustworthy for DPI

Matthew Garrett mjg59 at srcf.ucam.org
Thu Oct 6 14:33:34 UTC 2011

On Thu, Oct 06, 2011 at 09:30:50AM -0500, Chris Adams wrote:
> Once upon a time, Matthew Garrett <mjg59 at srcf.ucam.org> said:
> > Like I said, that works fine right up until the point where you plug in 
> > a monitor with a different DPI. What do we do then?
> I would wager that the majority of Fedora systems are single monitor
> (or, in the case of notebooks, single monitor much of the time); can't
> we at least try to correct for that case first, and _then_ try to deal
> with multi-monitor setups?

Changing the current behaviour doesn't make the most common case 
significantly better, but potentially makes a less common (but still 
common) case significantly worse. What's the benefit?

Matthew Garrett | mjg59 at srcf.ucam.org

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