Is IgnoreEdid broken?

Luc Verhaegen libv at
Mon Oct 15 03:03:41 PDT 2007

On Fri, Oct 12, 2007 at 09:42:59PM -0400, James C. Georgas wrote:
> Somewhere between versions 6.6.* and 6.7.*, xf86-video-ati stopped
> honouring my IgnoreEdid option in xorg.conf.
> I used to be able to override EDID supplied modelines by specifying:
>         Option "IgnoreEdid" "yes"
> in the "Device" section, and specifying a new modeline for the
> resolution I wanted to override (plus manual sync and refresh ranges),
> in the "Monitor section.
> Now (as of today's git image), the server just ignores my directives and
> gives me the EDID supplied modeline.
> Is this actually broken, or did the syntax just change?
> James.

What about the option "NoEDID", this is handled in the DDC module, and 
has been handled there for a long, long while. I'm not sure what 
special functionality IgnoreEDID has, but if it is just dropping EDID 
blocks on the floor, then it is superfluous.

Luc Verhaegen.
SUSE/Novell X Driver Developer.

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