The Treehouse Blog

Tag: X

PVR Booting with LCD off

by on Feb.10, 2009, under Linux

When things are working well, my PVR box is supposed to wake-on-LAN about the time I get home, and be ready for use.  Since the LCD, the box wouldn’t be driving the display after boot.  I would have to kill and restart X with the LCD powered on.  Apparently this is due the NVIDIA driver needing to read the EDID from the LCD to figure out what resolution to use.  I tried a variety of ways forcing it to work without validating the resolution, but I ended up downloading the EDID to a file (using the nvidia-settings gui) and having the driver run against that.  Not that inelegant, I think.

Section "Device"
        Identifier  "Videocard0"
        Driver      "nvidia"
        VendorName  "NVIDIA Corporation"
        BoardName   "GeForce 7300 GS"
        Option      "UseEvents" "True"
        Option      "CustomEDID" "DFP-0: /var/lib/mythtv/edid.bin"
        Option      "ConnectedMonitor" "DFP"
        Option      "MetaModes" "DFP: 1920x1080"
EndSection
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