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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1answer
51 views

Run an X program when a monitor is plugged in

I have a computer with a bizarre bug. When I turn off the monitor and turn it back on, the screen stays blank. This only happens while logged in under X (but not at the Gdm screen). I've found a way ...
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1answer
46 views

How to load a modified EDID into RAM after boot to fix defective monitor's EDID report?

I've acquired a couple of HP L1750 monitors, which have VGA & DVI inputs. The VGA inputs work without issue. However, the DVI input only works until Kernel Mode Setting (KMS) occurs, after which ...
3
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1answer
49 views

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. ...
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0answers
55 views

Custom modeline calculation -> monitor “artefact”

I am trying to get a custom resolution to run on my 4k, 60Hz TV. I am mostly working on a Thinkpad that only supports 4k@30Hz via Display Port. I would much rather work on a lower resolution with a ...
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0answers
7 views

Choose 3840 * 2100 with KDE Neon with GeForce 555 and Sony Bravia KD65AF8 TV

I have a GeForce GTX 555 card and Sony Bravia KD65AF8 TV. I dual boot Windows 7 and KDE Neon LTS 5.12. In Windows I can have a resolution of 3840 * 2100, In Linux the maximum resolution in NVIDIA X ...
2
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1answer
1k views

Second monitor not recognized - xorg.conf file [resolved]

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 ...
2
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0answers
172 views

Enforce native resolution on Linux Mint 18

My graphics card is Nvidia GT 440 and I'm using the nvidia binary driver v384.130 on Linux Mint 18. I have a Dell U2518D which has a native resolution of 2560x1440@60Hz and the problem is that the ...
3
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1answer
502 views

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 ...
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2answers
2k views

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-...
2
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0answers
970 views

How to set custom EDID manually?

My monitor connects to the videocard through the DVI->VGA adapter, and EDID is not transmitted. If you use Xserver, then this problem is solved by adding previosly saved EDID in xorg.conf: Option ...
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0answers
2k views

How to edit a monitor's EDID information to change its preferred resolution?

I have a television that I am using as a monitor, but it has some issues resulting from incorrect EDID information on the monitor - physical dimensions are being reported in inches and tenths of ...
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0answers
189 views

How to uniquely identify monitor in Linux

I am C++ application which will be binded to specific monitor. Currently I am using edid to identify monitor and disable certain features in the application. This works if monitors are of different ...
2
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1answer
2k views

How to enable a custom resolution with nvidia & xorg

Does anyone know the proper settings to use when wanting to enable a resolution not exposed by EDID in a DVI display? I've extensively searched for the right xorg.conf settings but it seems the driver ...
1
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2answers
3k views

How to tell intel graphics to use my custom EDID file?

As the topic says: How to tell intel graphics to use my custom EDID file?
1
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0answers
192 views

Build custom EDID with several modelines

I would like to build custom EDID using kernel sources. But I need to use several modelines - more refresh rates for same resolution. Is it possible using method in kernel sources? Could you please ...
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1answer
23 views

EDID KWorkers Overflow

I'm using the IMX6 Quad from Freescale. I'm implemented a custom Linux on it for a personal homemade project. I've noticed a very stange behavior. Some times, randomly, I've got two KWorkers ...
4
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1answer
1k views

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 ...
4
votes
1answer
2k views

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. ...
1
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1answer
4k views

GNOME prevents high resolution VGA without EDID info over VGA

I recently bought a KVM switch, consisting of a VGA switcher and switchable USB hub. This switch however, does not pass EDID info from the connected display to either of the two connected computers. I ...
4
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0answers
84 views

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}...
3
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1answer
6k views

Setting up HDMI output from Linux console [closed]

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 ...
4
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0answers
812 views

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....
19
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5answers
52k views

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 ...
2
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1answer
641 views

Cooking EDID and finding values for .S file

It became really annoying and the resolution is bad so I decided to make my EDID and pass that to the Kernel. (I am creating EDID for S20A300B and samsung says in its page the best RES for this ...
4
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2answers
8k views

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/...
5
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2answers
3k views

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-...
1
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1answer
1k views

Dual monitor configuration on Intel Ivy Bridge [closed]

I'm trying to set up a dual monitor machine with an Intel DH67BL motherboard, Ivy Bridge i5-3450 CPU and dual Samsung 204b monitors. I can't seem to get the computer to recognize more than one of ...
3
votes
1answer
459 views

Bad Resolution - Missing, corrupt after suspend, x121e Mint 11 - Bad EDID?

After travelling with my ThinkPad x121e on suspend my resolution has altered and the correct resolution setting disappeared. This affects the whole computer, when using live USB as well. I do not ...
2
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1answer
625 views

How can I get real-time information about monitor plug/unplug events?

When I connect or disconnect the USB device, udev shows/monitors that event. But udev is not enough smart to detect the plug-out or plug-in of the monitor. Is there any way/tool/utility from which I ...
4
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3answers
6k views

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 ...
8
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2answers
6k views

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 ...