Questions tagged [edid]

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

14 questions with no upvoted or accepted answers
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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}...
4
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1k 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....
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206 views

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, ...
3
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0answers
4k 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 ...
3
votes
1answer
468 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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0answers
283 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 ...
2
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0answers
2k 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 ...
1
vote
1answer
36 views

Philips 275E1 2560x1440 with nVidia GT730 (EDID problem) not working

I would like to run QHD (2560x1440) resolution with the above setup (under Fedora 33, nvidia 390.141) via DVI output (connected via a DVI KVM-Switch and a DVI-HDMI adapter), but ran into problems ...
1
vote
1answer
52 views

size of display connected via HDMI was'nt automatically detected correctly (xUbuntu)

I have xUbuntu 18.04.4 LTS (XFCE 4.12 + 4.15.0-111 Linux kernel) on the Dell Vostro 3360 laptop. When I connected the external display (Samsung SyncMaster T240) via VGA cable - all is good and I got ...
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0answers
382 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 ...
1
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0answers
293 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 ...
1
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0answers
219 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 ...
0
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0answers
24 views

NVIDIA G-SYNC 'unvalidated' for officially validated monitor?

I'm looking at a green NVIDIA G-SYNC sticker on the bezel of my monitor, yet the NVIDIA driver tells me 'G-SYNC Unvalidated', and I can only get G-SYNC working when I specifically set 'Allow G-SYNC on ...
0
votes
1answer
27 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 ...