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Unix and Linux Stack Exchange

Questions tagged [edid]

Extended Display Identification Data is a standardized means for a display to communicate its capabilities to a source device.

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How to get EDID for a single monitor?

Pending an answer to xrandr detects amplifier as monitor a possible workaround is to blacklist devices with specific EDIDs. Unfortunately xrandr --verbose prints everything in a format which is cumbersome to parse and doesn't support querying single…
l0b0
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Edid information

I want to gather the Edid information of the monitor. I can get it from the xorg.0.log file when I run X with the -logverbose option. But the problem is that If I switch the monitor (unplug the current monitor and then plug-in another monitor), then…
SHW
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How to check if EDID can be tusted

read-edid gives me the message "The EDID data should not be trusted as the VBE call failed". Thats okay, but I want to find out, that this data is not reliable, another way, because I can't use read-edid on our system. Personally I can find it out…
ManuelSchneid3r
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Reading EDID from EEPROM

From the link: http://en.wikipedia.org/wiki/Extended_display_identification_data The EDID is often stored in the monitor in a memory device called a serial PROM (programmable read-only memory) or EEPROM (electrically erasable PROM) and is…
SHW
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EDID - detect proper DPI and refresh rate values

I just tried to extract EDID file data with read-edid util; The thing is the output shows : $sudo get-edid | decode-edid ... Manufacturer: AUO Model 20ec Serial Number 0 Made week 0 of 2013 EDID version: 1.4 Digital display 6 bits per primary…
user390525
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Setting up HDMI output from Linux console

I am currently running Debian Wheezy on a HP Microserver N54L with an AMD Radeon 5450 video card. I would like to be able to play audio from the console through the HDMI port of my video card and into my receiver, a Panasonic SA-XR57. I previously…
user2696276
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How to make EDID

I read the post here and I tried to make do with what I understood from the post but here are some questions: Where is the /lib/firmware located in for example /usr/src/linux/lib/firmware or /usr/lib/firmware or elsewhere? Could I use a pre-build…
r004
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How to drive an external monitor that does not send hotplug info over HDMI?

Since a few days I have the Dasung Paperlike HD device and after using it for one day I'm afraid the utility that comes with it, did something it shouldn't have done. Hot-plug events First, of all, it doesn't seem to receive hot-plug information…
Anne van Rossum
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How to set bytes of EDID on a i2c device

I have a monitor LG E2251 (monitor details). My computer was connected to the monitor via DVI-I cable; after the power supply broke, the display went black. I rebooted the system and all seemed ok. I pass the POST as usual, however I cannot see the…
pathox
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Custom Resolution For vt Console in FreeBSD 10

In FreeBSD 10 there is new vt driver for having nice framebuffer console. By default it chooses resolution from the EDID data of monitor. However, I have a display that has incorrect EDID data. Therefore, I get the wrong resolution. How can I…
gravitation
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How to loop over display numbers in .xprofile?

Is there a simple command to get all the display numbers (and only the display numbers) connected to the computer? The use case is that I'd like to have separate colour profiles ~/.color/icc/${display}.icc for each display $display, and I'd like to…
l0b0
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EDID Invalid on USB DisplayLink Device

I have a Sabrent USB to HDMI adapter which is a DisplayLink device. It's recognized by udl as being a DisplayLink device, yet seems to be rejected/disabled due to having an invalid EDID: [32780.107963] usb 3-1: new high-speed USB device number 12…
Naftuli Kay
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Second monitor not recognized - xorg.conf file

I'm trying to use this monitor Acer XB270H, with my Ubuntu laptop, but it is not recognized, appears cropped with incorrect resolution. Note: I first was using the docking station with the monitor DP cable, and bought a mini DP to DP cable to be…
DependencyHell
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EDID is not loading from /lib/firmware

I wanted to load customized edid so I have added it's name as "drm_kms_helper.edid_firmware=edid/edid.bin" and I kept the edid under /lib/firmware/edid/. But after booting the system, I cross checked from user space. It is not loading: cat…
Akaash
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How to force HDMI audio (intel card) to be enabled despite receiving broken EDID

The EDID sent by my monitor when directly connected to my graphic card is ok, I dumped it in /lib/firmware/edid/viewsonic.bin. I want to access my monitor through a KVM-switch, an HDMI-audio-extractor and an HDMI splitter. With that setup, the EDID…
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