[Bug 31484] EDID mapping from one device to another.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31484

--- Comment #13 from Alex Deucher <agd5f at yahoo.com> 2010-11-09 07:40:00 PST ---
(In reply to comment #12)
> (In reply to comment #11)
> > Created an attachment (id=40135)
 View: https://bugs.freedesktop.org/attachment.cgi?id=40135
 Review: https://bugs.freedesktop.org/review?bug=31484&attachment=40135

> > disable ddc on LVDS
> > 
> > This patch should work around the issue.
> 
> It does. Thanks. So for the future I need to somehow get the EDID info off the
> old panel and onto the new one?

Depends on how the original system was configured.  Not all panels have EDIDs. 
If it did you'd need to figure out why the proper ddc line is not getting
patched into the vbios.  If it didn't you'd need to figure out why the new one
is causing a bogus ddc line to be entered.  Can you get copies of the vbios
with the old panel and new panels installed?  that would clarify things.  See
this page for how to dump the vbios:
http://people.freedesktop.org/~agd5f/get_vbios.txt

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