root@BM2LTS-VT:~# edid-find This is read-edid version 3.0.2. Prepare for some fun. Attempting to use i2c interface Problem requesting slave address: Device or resource busy No EDID on bus 1 No EDID on bus 2 No EDID on bus 3 No EDID on bus 4 No EDID on bus 5 No EDID on bus 6 No EDID on bus 8 No EDID on bus 9 No EDID on bus 10 No EDID on bus 11 No EDID on bus 12 No EDID on bus 13 No EDID on bus 14 1 potential busses found: 7 Bus 7 doesn't really have an EDID... Couldn't find an accessible EDID on this computer. Attempting to use the classical VBE interface Performing real mode VBE call Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0 Function unsupported Call failed VBE version 0 VBE string at 0x0 "O" VBE/DDC service about to be called Report DDC capabilities Performing real mode VBE call Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0 Function unsupported Call failed Reading next EDID block VBE/DDC service about to be called Read EDID Performing real mode VBE call Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0 Function unsupported Call failed The EDID data should not be trusted as the VBE call failed Error: output block unchanged I'm sorry nothing was successful. Maybe try some other arguments if you played with them, or send an email to Matthew Kern . *-display description: VGA compatible controller product: TigerLake-LP GT2 [Iris Xe Graphics] vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 logical name: /dev/fb0 version: 01 width: 64 bits clock: 33MHz capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb configuration: depth=32 driver=i915 latency=0 mode=640x480 resolution=640,480 visual=truecolor xres=640 yres=480 resources: iomemory:600-5ff iomemory:400-3ff irq:135 memory:6000000000-6000ffffff memory:4000000000-400fffffff ioport:3000(size=64) memory:c0000-dffff memory:4010000000-4016ffffff memory:4020000000-40ffffffff /sys/class/drm/card0-DP-1/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-DP-2/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-DP-3/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-DP-4/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-HDMI-A-1/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-DP-1/edid /sys/class/drm/card0-DP-2/edid /sys/class/drm/card0-DP-3/edid /sys/class/drm/card0-DP-4/edid /sys/class/drm/card0-HDMI-A-1/edid /usr/sbin/edid-find: Zeile 15: /sys/class/drm/card1-HDMI-A-1/edid: Datei oder Verzeichnis nicht gefunden cp: Aufruf von stat für '/sys/class/drm/card1-HDMI-A-1/edid' nicht möglich: Datei oder Verzeichnis nicht gefunden root@BM2LTS-VT:~# edid-find This is read-edid version 3.0.2. Prepare for some fun. Attempting to use i2c interface Problem requesting slave address: Device or resource busy No EDID on bus 1 No EDID on bus 2 No EDID on bus 3 No EDID on bus 4 No EDID on bus 5 No EDID on bus 6 No EDID on bus 8 No EDID on bus 9 No EDID on bus 10 No EDID on bus 11 No EDID on bus 13 No EDID on bus 14 2 potential busses found: 7 12 Will scan through until the first EDID is found. Pass a bus number as an option to this program to go only for that one. Bus 7 doesn't really have an EDID... 256-byte EDID successfully retrieved from i2c bus 12 Looks like i2c was successful. Have a good day. *-display description: VGA compatible controller product: TigerLake-LP GT2 [Iris Xe Graphics] vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 logical name: /dev/fb0 version: 01 width: 64 bits clock: 33MHz capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb configuration: depth=32 driver=i915 latency=0 mode=640x480 resolution=640,480 visual=truecolor xres=640 yres=480 resources: iomemory:600-5ff iomemory:400-3ff irq:135 memory:6000000000-6000ffffff memory:4000000000-400fffffff ioport:3000(size=64) memory:c0000-dffff memory:4010000000-4016ffffff memory:4020000000-40ffffffff /sys/class/drm/card0-DP-1/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-DP-2/edid parse-edid: parse-edid version 1.4.2 parse-edid: EDID checksum passed. # EDID version 1 revision 3 Section "Monitor" # Block type: 2:0 3:fd # Block type: 2:0 3:fc Identifier "LG TV SSCR2" VendorName "GSM" ModelName "LG TV SSCR2" # Block type: 2:0 3:fd HorizSync 30-255 VertRefresh 24-120 # Max dot clock (video bandwidth) 1190 MHz # Block type: 2:0 3:fc # DPMS capabilities: Active off:no Suspend:no Standby:no Mode "3840x2160" # vfreq 60.000Hz, hfreq 135.000kHz DotClock 594.000000 HTimings 3840 4016 4104 4400 VTimings 2160 2168 2178 2250 Flags "+HSync" "+VSync" EndMode Mode "2560x1440" # vfreq 119.998Hz, hfreq 182.996kHz DotClock 497.750000 HTimings 2560 2608 2640 2720 VTimings 1440 1443 1448 1525 Flags "+HSync" "+VSync" EndMode # Block type: 2:0 3:fd # Block type: 2:0 3:fc EndSection /sys/class/drm/card0-DP-3/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-DP-4/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-HDMI-A-1/edid parse-edid: parse-edid version 1.4.2 parse-edid: IO error reading EDID /sys/class/drm/card0-DP-1/edid /sys/class/drm/card0-DP-2/edid Display Product Name: 'LG TV SSCR2' /sys/class/drm/card0-DP-3/edid /sys/class/drm/card0-DP-4/edid /sys/class/drm/card0-HDMI-A-1/edid /usr/sbin/edid-find: Zeile 15: /sys/class/drm/card1-HDMI-A-1/edid: Datei oder Verzeichnis nicht gefunden cp: Aufruf von stat für '/sys/class/drm/card1-HDMI-A-1/edid' nicht möglich: Datei oder Verzeichnis nicht gefunden root@BM2LTS-VT:~#