No way to distinguish user-created modes in RandR 1.2

Andy Ritger aritger at
Tue Feb 20 16:31:42 PST 2007

On Tue, 20 Feb 2007, Keith Packard wrote:

> On Tue, 2007-02-20 at 15:54 -0800, Andy Ritger wrote:
>> Seems reasonable to me.
>> In addition to just whether a mode is user-created, it might be worth
>> tracking the "source" of a mode (X server builtin, VESA, EDID, X config
>> file, etc).
> I was going to do that, but you end up eliminating a lot of clone
> possibilities as you'll get an EDID mode on one monitor that exactly
> matches a VESA mode on another. Take a look at the history of the
> randrproto.txt file; it's been there and been removed already.
> I decided that cloning was more important than learning minor details
> about where a mode happened to come from.
> In this case, as the mode is user-created, no monitor will ever use it
> without being told explicitly, so I think it's OK to have a
> distinguishing mark.

OK, fair enough.

- Andy

> -- 
> keith.packard at

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