DVI MONITORS show as disconnected

hello,

I properly have the 5 provider set :

> --------------- Linux system info ----------------
>
> Distro: Debian
> Release: bookworm
> Kernel: 6.1.0-22-amd64
>
> ---------------- DisplayLink info ----------------
>
> Driver version: 1.12.0+dfsg
> 1.14.4
> DisplayLink service status: up and running
> EVDI service version: 1.14.4
>
> ------------------ Graphics card -----------------
>
> Vendor: i915
> Subsystem: [Iris
> VGA: Intel Corporation Raptor Lake-P [Iris Xe Graphics] (rev 04)
> VGA (3D):
> X11 version: 21.1.7-3+deb12u7
> X11 configs: /etc/X11/xorg.conf.d/20-displaylink.conf
>
> -------------- DisplayLink xorg.conf -------------
>
> File: /etc/X11/xorg.conf.d/20-displaylink.conf
> Contents:
> Section "OutputClass"
> Identifier "DisplayLink"
> MatchDriver "evdi"
> Driver "modesetting"
> Option "AccelMethod" "none"
> EndSection
>
> -------------------- Monitors --------------------
>
> Providers: number : 5
> Provider 0: id: 0x48 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 4 outputs: 6 associated providers: 4 name:modesetting
> Provider 1: id: 0x13f cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 1 name:modesetting
> Provider 2: id: 0x11e cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 1 name:modesetting
> Provider 3: id: 0xfd cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 1 name:modesetting
> Provider 4: id: 0xdc cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 1 name:modesetting

But xrandr does not found the connected monitors (and yes, they are properly connected physically) :

> $> xrandr
> Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 16384 x 16384
> eDP-1 connected 1920x1200+1920+0 (normal left inverted right x axis y axis) 301mm x 188mm
> 1920x1200 60.03*+ 59.95
> 1920x1080 59.93
> 1600x1200 60.00
> 1680x1050 59.95 59.88
> 1400x1050 59.98
> 1600x900 59.95 59.82
> 1280x1024 60.02
> 1400x900 59.96 59.88
> 1280x960 60.00
> 1440x810 59.97
> 1368x768 59.88 59.85
> 1280x800 59.97 59.81 59.91
> 1280x720 60.00 59.99 59.86 59.74
> 1024x768 60.04 60.00
> 960x720 60.00
> 928x696 60.05
> 896x672 60.01
> 1024x576 59.95 59.96 59.90 59.82
> 960x600 59.93 60.00
> 960x540 59.96 59.99 59.63 59.82
> 800x600 60.00 60.32 56.25
> 840x525 60.01 59.88
> 864x486 59.92 59.57
> 700x525 59.98
> 800x450 59.95 59.82
> 640x512 60.02
> 700x450 59.96 59.88
> 640x480 60.00 59.94
> 720x405 59.51 58.99
> 684x384 59.88 59.85
> 640x400 59.88 59.98
> 640x360 59.86 59.83 59.84 59.32
> 512x384 60.00
> 512x288 60.00 59.92
> 480x270 59.63 59.82
> 400x300 60.32 56.34
> 432x243 59.92 59.57
> 320x240 60.05
> 360x202 59.51 59.13
> 320x180 59.84 59.32
> HDMI-1 disconnected (normal left inverted right x axis y axis)
> DP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm
> 1920x1080 60.00*+ 74.97 50.00 59.94
> 1920x1080i 60.00 50.00 59.94
> 1600x1200 60.00
> 1680x1050 59.95
> 1280x1024 75.02 60.02
> 1440x900 59.89
> 1280x960 60.00
> 1152x864 75.00
> 1280x720 60.00 50.00 59.94
> 1024x768 75.03 60.00
> 832x624 74.55
> 800x600 75.00 60.32
> 720x576 50.00
> 720x480 60.00 59.94
> 640x480 75.00 60.00 59.94
> 720x400 70.08
> DP-2 disconnected (normal left inverted right x axis y axis)
> DP-3 disconnected (normal left inverted right x axis y axis)
> DP-4 disconnected (normal left inverted right x axis y axis)
> DVI-I-4-4 disconnected (normal left inverted right x axis y axis)
> DVI-I-3-3 disconnected (normal left inverted right x axis y axis)
> DVI-I-2-2 disconnected (normal left inverted right x axis y axis)
> DVI-I-1-1 disconnected (normal left inverted right x axis y axis)

any idea ?