Re: Fedora 30 and problem with monitor resolution detection in gdm/Gnome?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




> On 1 Jun 2019, at 19:47, Samuel Sieb <samuel@xxxxxxxx> wrote:
> 
> On 6/1/19 11:33 AM, Barry Scott wrote:
>> You can look at the details with:
>> $ xrandr --verboes | edid-decode
>> The "Detailed timing" are the monitors prefered mode I recall.
> 
> # find /sys/devices -name 'edid'
> /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-HDMI-A-1/edid
> /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-VGA-1/edid
> /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/edid
> /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-DP-1/edid

I always seem to have 0 length files in /sys for edid.
That why I use the xrandr output.

> 
> # edid-decode < /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/edid
> Extracted contents:
> [...snip...]
> Standard timings supported:
> Detailed mode: Clock 69.300 MHz, 261 mm x 163 mm
>               1280 1306 1328 1418 hborder 0
>                800  802  804  814 vborder 0
>               -hsync -vsync
>               VertFreq: 60 Hz, HorFreq: 48871 Hz
> [...snip...]
> Checksum: 0x2 (valid)
> EDID block does NOT conform to EDID 1.4!
> 	Missing name descriptor
> 	Missing monitor ranges

That's the problem - bad EDID.

FYI EDID Structure 1.4 recame a standard in 2006.

Barry


> _______________________________________________
> users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
> To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
> Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html
> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
> List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
_______________________________________________
users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx



[Index of Archives]     [Older Fedora Users]     [Fedora Announce]     [Fedora Package Announce]     [EPEL Announce]     [EPEL Devel]     [Fedora Magazine]     [Fedora Summer Coding]     [Fedora Laptop]     [Fedora Cloud]     [Fedora Advisory Board]     [Fedora Education]     [Fedora Security]     [Fedora Scitech]     [Fedora Robotics]     [Fedora Infrastructure]     [Fedora Websites]     [Anaconda Devel]     [Fedora Devel Java]     [Fedora Desktop]     [Fedora Fonts]     [Fedora Marketing]     [Fedora Management Tools]     [Fedora Mentors]     [Fedora Package Review]     [Fedora R Devel]     [Fedora PHP Devel]     [Kickstart]     [Fedora Music]     [Fedora Packaging]     [Fedora SELinux]     [Fedora Legal]     [Fedora Kernel]     [Fedora OCaml]     [Coolkey]     [Virtualization Tools]     [ET Management Tools]     [Yum Users]     [Yosemite News]     [Gnome Users]     [KDE Users]     [Fedora Art]     [Fedora Docs]     [Fedora Sparc]     [Libvirt Users]     [Fedora ARM]

  Powered by Linux