[Bug 106291] drm.edid_firmware override does not work

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Apr 28 08:14:44 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=106291

--- Comment #4 from Wolfgang Haupt <haupt.wolfgang at gmail.com> ---
Further information:
Linux lrplayer 4.17.0-rc2 #1 SMP Thu Apr 26 20:44:09 CEST 2018 x86_64 GNU/Linux

This build is a drm-tip version (I added some logging to see what's wrong):
https://github.com/a1rwulf/drm-tip/commit/6e830b2204137035d5a2adf9837295e6a527cb03

Seems it does not even try to consider the hardcoded edid and it looks related
to:
https://github.com/a1rwulf/drm-tip/blob/7a3cb2048f795289f5857505dcf219216a81bbcc/drivers/gpu/drm/drm_edid.c#L1698

drm_probe_ddc fails when I disconnect hdmi and thus it bails out before trying
to load the edid from the filesystem.
If I change this, it at least reads the edid but still fails due to some other
errors.
Please let me know how I can help to fix this.

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