Re: [PATCH] drm: edid revision 0 is valid

Eric Anholt
2009-03-11T03:10:51Z

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On Wed, 2009-03-11 at 02:56 +0000, Jamie Lokier wrote:
> Kyle McMartin wrote:
> > - if (edid->revision <= 0 || edid->revision > 3) {
> > + if (edid->revision > 3) {
> > DRM_ERROR("EDID has minor version %d, which is not between 0-3\n", edid->revision);
> > goto bad;
>
> Ahem. EDID version 1.4 exists too, in fact it's the current version.
> EDID 1.5+ doesn't exist, but it should be backward compatible when it does.
>
> I'm doing a lot of work on another EDID parser, including full DMT and
> CEA-861 mode tables, monitor hotplug, all quirks from Xorg and the
> kernel, EDID 1.4 support w/ CVT calculation, etc. right now for an
> embedded Linux video project. Would there be any interest
> incorporating parts of that work?

There's work going on for CEA-861 and syncing KMS against UMS. But
certainly we love fixes when we don't even have to write them ourselves.

--
Eric Anholt
eric@anholt.net eric.anholt@intel.com

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