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Monitor not recognized on debian trixie, kernel 6.6.15-amd64, grafic card Intel Corporation Alder Lake-UP3 GT2 #920

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jooops opened this issue Apr 24, 2024 · 1 comment · May be fixed by #940
Open

Monitor not recognized on debian trixie, kernel 6.6.15-amd64, grafic card Intel Corporation Alder Lake-UP3 GT2 #920

jooops opened this issue Apr 24, 2024 · 1 comment · May be fixed by #940

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@jooops
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jooops commented Apr 24, 2024

Hi,
thank's a lot for your work. On the bottom some info.

[ 479.038621] usb 2-1: new SuperSpeed USB device number 4 using xhci_hcd
[ 479.059895] usb 2-1: New USB device found, idVendor=17e9, idProduct=ff0b, bcdDevice=31.13
[ 479.059917] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 479.059923] usb 2-1: Product: ASUSTEK MB169B+
[ 479.059927] usb 2-1: Manufacturer: DisplayLink
[ 479.059930] usb 2-1: SerialNumber: G6LMTF070984

--------------- Linux system info ----------------

Distro: Debian
Release: trixie
Kernel: 6.6.15-amd64

---------------- DisplayLink info ----------------

Driver version: evdi
1.14.2
DisplayLink service status: up and running
EVDI service version: 1.14.2

------------------ Graphics card -----------------

Vendor: i915
Subsystem: [1558:7718]
VGA: Intel Corporation Alder Lake-UP3 GT2 [Iris Xe Graphics] (rev 0c)
VGA (3D):
X11 version: 21.1.12-1
X11 configs: /etc/X11/xorg.conf.d/20-displaylink.conf

-------------- DisplayLink xorg.conf -------------

File: /etc/X11/xorg.conf.d/20-displaylink.conf
Contents:
Section "Device"
Identifier "Intel"
Driver "intel"
EndSection

-------------------- Monitors --------------------

Providers: number : 1
Provider 0: id: 0x4a cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 5 outputs: 7 associated providers: 0 name:Intel

Use this information when submitting an issue (http://bit.ly/2GLDlpY)

jops@uno:~/Applications/displaylink-debian$
@rogue73
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rogue73 commented Jun 6, 2024

Hi, you need to put the following into /etc/X11/xorg.conf.d/20-displaylink.conf

Section "OutputClass"
    Identifier  "DisplayLink"
    MatchDriver "evdi"
    Driver      "modesetting"
    Option      "AccelMethod" "none"
EndSection

after installing displaylink. It seems that since kernel 6.6 and above the detection of graphic card subsystem fails and the script add the wrong content to xorg config file.

rogue73

rogue73 added a commit to rogue73/displaylink-debian that referenced this issue Jun 7, 2024
@rogue73
feat: upd displaylink-debian kernel >= 6.6.0 (AdnanHodzic#920)
146700a 
Starting with kernel version 6.6.0 and above the detection and configuration of
Intel graphic card subsystem does not work anymore.

With this patch i keep the behaviour as is for kernel <6.6.0 and
add a different one for newer kernels.

comment in displaylink-debian.sh
use different content in $cardsub to repair Intel Subsystem handling with kernel >= 6.6  (issue: 920)

Fixes AdnanHodzic#920
@rogue73 rogue73 linked a pull request Jun 7, 2024 that will close this issue
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feat: upd displaylink-debian kernel >= 6.6.0 (#920) rogue73/displaylink-debian
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@jooops @rogue73