> 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
