Indeed, the way to handle it is to parse the EDID, repair it and then
feed it back to the kernel overriding the one provided by your monitor.
Or just get the vendor to supply working firmware.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1033695
Title:
External HDMI Monitor does not get detected / invalid EDID checksum
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