[Intel-gfx] Intel KMS and custom modelines?

David Härdeman david at hardeman.nu
Sun Oct 11 23:28:52 CEST 2009

On Fri, Sep 04, 2009 at 08:24:56AM +0200, David Härdeman wrote:
> I recently bought a HDMI capable receiver and now I have my Intel G45  
> based HTPC connected through the receiver to my LCD tv using HDMI  
> instead of a direct connection to the TV. This has brought loads of fun.
> During X.org startup I experience the following problems:
> a) Receiver off, tv off
> No connected devices detected, x.org refuses to start (fixed by applying  
> the patch from https://bugs.freedesktop.org/show_bug.cgi?id=14611). Is  
> there any progress in getting that patch committed to the x.org git  
> repo?
> b) Receiver on, tv off
> Receiver sends bogus edid information (a 1080i mode which the server  
> seems to misinterpret as 1920x540), fixed by using a custom xorg.conf  
> with sane modelines (attached).
> Because of a) and b), I can't use kernel modesetting. Is there any way  
> to force the use of a particular output (as in bug 14611) and a custom  
> modeline with KMS?

Replying to myself, it seems that David Airlie has written the necessary 
patches to allow the connector and mode to be specified. It's commit 
d50ba256b5f1478e15accfcfda9b72fd7a661364 as can be seen at:



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