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Old 12-24-2021, 08:11 AM   #1
Wolfgang T.
Junior Member
Join Date: Dec 2021
Posts: 2
Default Debian monitor not found

Monitor is working under old kernel 4...
I upgraded debian to 11 and to kernel, there I could build evdi
output of

dkms status

evdi, 1.10.0, 5.10.0-10-amd64, x86_64: installed
evdi, 1.9.0+dfsg, 4.19.0-8-amd64, x86_64: installed
evdi, 4.4.24: added
evdi, 5.2.14, 4.19.0-10-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-11-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-12-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-13-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-14-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-16-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-17-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-18-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-8-amd64, x86_64: built
evdi, 5.2.14, 4.19.0-9-amd64, x86_64: built

Bus 004 Device 003: ID 17e9:4301 DisplayLink USB3.0 to HDMI Adapter

to be able to build i changed this line in displaylink-installer.sh (added --strip ...)
if ! tar xf "$TARGZ" -C "$EVDI" --strip-components=1; then
But the monitor is not found with xrandr,and also not switched on.
Xorg version 1.20.11

Any help appreciated

Last edited by Wolfgang T.; 12-24-2021 at 08:19 AM.
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Old 12-27-2021, 02:42 PM   #2
Wolfgang T.
Junior Member
Join Date: Dec 2021
Posts: 2
Default Solved

if you have more providers if you call

xrandr --listproviders

make sure the last provider with modesetting has an associated provider
Switch of unused providers
xrandr --setprovideroutputsource [other active modesetting provider]
Switch last installed provider on
xrandr --setprovideroutputsource [last modesetting provider] 0

And then you also should make a start script which is calling

xrandr --setprovideroutputsource [last modesetting provider] 0
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