How do I disable edid check on kernel command line?

poma pomidorabelisima at gmail.com
Wed Jul 2 13:55:33 UTC 2014


On 02.07.2014 15:12, Flash wrote:
> Thanks for reply. Finally realized why I couldn't locate EDID folder,
> kernel docs weren't installed.
> Built default edids, copied 1920x1080.bin to /lib/firmware and
> /lib/firmware/edid, adds
> drm_kms_helper.edid_firmware=DVI-I-1:edid/1920x1080.bin drm_debug=14
> log_buf_len=16M to commandline. No change in behavior, commandline
> firmware helper ignored. Boot DVI-I-1 signal drops during and/or after
> LUKS prompt. Next, invalid EDID message appears although
> /usr/bin/edid-decode validates /lib/firmware/1920x1080.bin.
>
> My guesstimation so far is (1) once DVI-I-1 signal drops during boot
> nothing I've done so far 're-connects' DVI-I-1; (2) although
> 1920x1080.bin is placed in /lib/firmware and /lib/firmware/edid neither
> is found yet there is no notification/complaint; (3) for whatever
> reason, video:DVI-I-1:e is also ignored. Is there another commandline
> option to keep signal on for DVI-I-1?
>
> Thanks again
>

Déjà vu?
Multi-head intel and nvidia configuration fails 100%
https://lists.fedoraproject.org/pipermail/test/2013-December/119277.html

What happens when you run Rawhide?


poma



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