Dcommand to xmon connector9/2/2023 ![]() ![]() ![]() Red Hat Enterprise Linux System Rolesġ0.10. Deprecated functionality"Ĭollapse section "9. Red Hat Enterprise Linux System RolesĮxpand section "9. Red Hat Enterprise Linux System RolesĬollapse section "8. Dynamic programming languages, web and database serversħ.14. Important changes to external kernel parameters"ħ.10. Important changes to external kernel parameters"Ĭollapse section "5. Important changes to external kernel parametersĮxpand section "5. Dynamic programming languages, web and database serversĤ.17. Distribution of content in RHEL 8"Ĭollapse section "3. However, this information may not always be correct or complete: I have a laptop that lists no DMI connector information at all.Providing feedback on Red Hat documentationĮxpand section "3. If you have a laptop with two GPUs and have one of them disabled (either through BIOS or by software like Bumblebee for NVidia Optimus technology), the output information of a disabled GPU will obviously not be available to xrandr.Īnother way to approach the problem might be using dmidecode: with dmidecode -t 8, you should get a listing of all connectors/ports the hardware manufacturer has described in BIOS DMI data. Also, a listed DisplayPort output might physically be a Mini-DP or a Thunderbolt connection. The GPU, and by extension xrandr, has no way to know about changes like that. convert a GPU chip's DisplayPort output to DVI, or just leave some of the GPU's outputs unwired. But a hardware manufacturer may add built-in converters to e.g. Xrandr will display any and all outputs according to the knowledge of all the GPUs that are under control of the X11 server. ![]() HDMI VIC 0 VIC 1 VIC 2 PC formats by defaultĭetailed mode: Clock 27.000 MHz, 698 mm x 398 mmĭetailed mode: Clock 74.250 MHz, 698 mm x 398 mmĭetailed mode: Clock 148.500 MHz, 698 mm x 398 mmĭetailed mode: Clock 147.170 MHz, 698 mm x 398 mmĭetailed block string not properly terminated Vendor-specific data block, OUI 000c03 (HDMI) Monitor ranges (bare limits): 23-80Hz V, 30-160kHz H, max dotclock 600MHz Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2įirst detailed timing is preferred timingĮstablished timings timings mode: Clock 533.250 MHz, 698 mm x 398 mmĭetailed mode: Clock 262.750 MHz, 698 mm x 398 mm Manufacturer: PHL Model 90b Serial Number 3789 Not all of which are valid but if you look at the individual folders in the /sys stuff theres file called status that looks like: cat /sys/devices/pci0000:00/0000:00:02.0/0000:03:00.0/drm/card0/card0-DP-1/statusĪlso more details about the connected display devices (vs the actual video card output) by doing something like: cat /sys/devices/pci0000:00/0000:00:02.0/0000:03:00.0/drm/card0/card0-DP-1/edid | edid-decode Because I'm interested in the actual display I'm looking for EDID resource from the attached monitor: find /sys/devices -name "edid" ![]() So I am messing with trying to change dual monitor setup on my machine and found your post. Tried lspci, dmesg (maybe it is in there but couldn't find it), lshw and possibly some more hardware listing commands.īut a finger at the right direction would be greatly appreciated. The information from xrandr is not accurate. Unfortunately this output doesn't show the information I need. Looking for something like HDMI-1 disconnected (normal left inverted right x axis y axis) HDMI-2 disconnected (normal left inverted right x axis y axis) HDMI-1 disconnected (normal left inverted right x axis y axis)ĭP-1 disconnected (normal left inverted right x axis y axis) The closest I got is xandr: eDP-1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm I have searched Stack and Google for a while now but I cannot find an answer. I am looking for a command which prints all visual output ports a laptops has. ![]()
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