$ sudo get-edid | parse-edid
This is read-edid version 3.0.1. Prepare for some fun.
Attempting to use i2c interface
Looks like no busses have an EDID. Sorry!
Attempting to use the classical VBE interface
Performing real mode VBE call
Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
Function supported
Call successful
VBE version 300
VBE string at 0xc01f0 "AMD ATOMBIOS"
VBE/DDC service about to be called
Report DDC capabilities
Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
Function supported
Call successful
Monitor and video card combination does not support DDC1 transfers
Monitor and video card combination supports DDC2 transfers
0 seconds per 128 byte EDID block transfer
Screen is not blanked during DDC transfer
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 supported
Call successful
Looks like VBE was successful. Have a good day.
Checksum Correct
Section "Monitor"
Identifier "W2261"
ModelName "W2261"
VendorName "GSM"
# Monitor Manufactured week 4 of 2011
# EDID version 1.3
# Digital Display
DisplaySize 480 270
Gamma 2.20
Option "DPMS" "true"
Horizsync 30-83
VertRefresh 56-75
# Maximum pixel clock is 150MHz
#Not giving standard mode: 1680x1050, 60Hz
#Not giving standard mode: 1280x1024, 60Hz
#Not giving standard mode: 1280x960, 60Hz
#Not giving standard mode: 1152x864, 75Hz
Modeline "Mode 0" 138.50 1920 1968 2000 2080 1080 1083 1088 1111 +hsync -vsync
Modeline "Mode 1" 148.50 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync
EndSection