Re: [Linux-fbdev-devel] [PATCH]: EDID parser

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Thu Apr 03 2003 - 10:21:14 EST


On Iau, 2003-04-03 at 15:15, Sven Luther wrote:
> > Read is not enough. If you have connected one /dev/fbx to two monitors,
> > you must find highest common denominator for them, and use this one.
>
> Err, i don't understand this ? Do you mean you are outputing to two
> monitors at the same time ?

I think you mean lowest common denominator.

> If that is so maybe you mean, speaking in graphic card terminology, and
> not in fbdev one, that you are sharing one common framebuffer between
> two outputs, right, possibly doing mirroring tricks or something such ?

Classic example is a SiS 6326 driving monitor and TV. You need to keep
the display to TV acceptable ranges.

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