root@beaglebone:/sys/class/drm/card0/card0-HDMI-A-1# parse-edid edid
parse-edid: parse-edid version 2.0.0
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 "VGA DISPLAY"
	VendorName "CHR"
	ModelName "VGA DISPLAY"
	# Block type: 2:0 3:fd
	HorizSync 30-68
	VertRefresh 50-60
	# Max dot clock (video bandwidth) 150 MHz
	# EDID version 3 GTF given: contact author
	# Block type: 2:0 3:fc
	# DPMS capabilities: Active off:yes  Suspend:no  Standby:no

	Mode 	"1024x768"	# vfreq 60.004Hz, hfreq 48.363kHz
		DotClock	65.000000
		HTimings	1024 1048 1184 1344
		VTimings	768 771 777 806
		Flags	"+HSync" "+VSync"
	EndMode
	Mode 	"1920x1080"	# vfreq 60.000Hz, hfreq 67.500kHz
		DotClock	148.500000
		HTimings	1920 2008 2052 2200
		VTimings	1080 1084 1089 1125
		Flags	"+HSync" "+VSync"
	EndMode
	# Block type: 2:0 3:fd
	# Block type: 2:0 3:fc
EndSection
root@beaglebone:/sys/class/drm/card0/card0-HDMI-A-1#