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As the topic says:

How to tell intel graphics to use my custom EDID file?

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  • Doesn't seems to be related to UNIX or Linux
    – AReddy
    Jul 14, 2016 at 6:22
  • xorg is related to unix or linux, and it allows you to specify a custom EDID file for the monitor.
    – cas
    Jul 14, 2016 at 6:28
  • Same issue with intel over here superuser.com/questions/1145585/…
    – malat
    Nov 14, 2016 at 12:55

2 Answers 2

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2

Assuming you're talking about X, you can add a CustomEDID option to the Monitor section of your /etc/X11/xorg.conf. For example, I have the following in xorg.conf on my mythtv box:

Section "Monitor"
    Identifier "LG 42LD560"
    VendorName "GSM"
    ModelName "LG TV"

    Option "UseEDID" "True"
    Option "CustomEDID" "DFP-1:/etc/X11/LG-42LD560.edid.bin"
EndSection

I did this years ago and I can't remember where i got the edid file from. I think I may have extracted it with get-edid from the debian package of read-edid (I very vaguely recall something about getting a corrupted edid in X but it was OK if fetched from a VT before X started)

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4
  • Yes, thats exactly what I want to do. I already have the EDID binary for my monitor but have heard that intel drivers might not support custom EDID's like NVIDIA and AMD does. At the moment I use my custom EDID with a NVIDIA card under Debian, but want to take that old Nvidia card out and use the onboard Intel graphics.
    – Rimfire
    Jul 14, 2016 at 7:31
  • 2
    I doubt CustomEDID apply to Monitor section...
    – malat
    Nov 14, 2016 at 12:54
  • Where do you think it would apply? for the mouse? your doubt means little in the face of several years of actual experience that X worked (and still does) correctly with my LG TV using a custom edid file in the Monitor section and didn't without it. It means even less when you take into account the fact that the CustomEDID option is specifically intended for use within the Monitor section.
    – cas
    Nov 14, 2016 at 17:28
  • 3
    I can confirm what malat said: both UseEDID and CustomEDID must be in the Device Section. Intel ignores UseEDID while CustomEDID is totaly broken in my braswell.
    – Elvis Dukaj
    Mar 21, 2017 at 9:21
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The one that worked for me :

Section "Device"
   Identifier  "Device0"
   BusID       "PCI:00:02:0"
   Option      "LVDS-1" "MonitorLVDS1"
   Option      "DP-1"   "MonitorDP1"
   Driver      "intel"
   Option      "CustomEDID" "DP1:/etc/X11/edid.bin"
   Option      "UseEDID" "true"
EndSection

see full problem and solution : Second monitor not recognized - xorg.conf file [resolved]

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