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Hello,
I am not exactly a new user having been using Arch Linux for almost 2 years on my laptop. I recently bought 2 monitors and now I am trying to get those working with my laptop. I only have 1 HDMI port so I went for a DisplayLink USB to HDMI adapter for my second monitor. I followed the DisplayLink article on the wiki and have managed to install the evdi and displaylink packages. (the evdi-git package mentioned in the wiki did not build for me. I got the same error as mentioned in the comments).
I am able to see the monitors on Xrandr. Here's the output for the xrandr --current
xrandr --current
Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1920x1080 60.05*+ 60.01 59.97 59.96 59.93 40.03
1680x1050 59.95 59.88
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1400x900 59.96 59.88
1280x960 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1280x800 59.99 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 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 476mm x 268mm
1920x1080 60.00*+ 60.00 50.00 50.00 59.94
1680x1050 59.88
1600x900 60.00
1280x1024 60.02
1440x900 59.90
1280x800 59.91
1280x720 60.00 60.00 50.00 50.00 59.94
1024x768 60.00
800x600 60.32
720x576 50.00 50.00
720x480 60.00 60.00 59.94 59.94 59.94
640x480 60.00 59.94 59.94
720x400 70.08
DVI-I-1-1 connected (normal left inverted right x axis y axis)
1024x768 60.00
800x600 60.32 56.25
848x480 60.00
640x480 59.94
1024x768 (0x42) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
800x600 (0x43) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
800x600 (0x44) 36.000MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.16KHz
v: height 600 start 601 end 603 total 625 clock 56.25Hz
640x480 (0x46) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94HzThe issue I am facing is that my DisplayLink monitor is shown to support only upto 1024x768. The monitor is capable of 1920x1080. If I use the following command,
xrandr --output HDMI-1 --auto --left-of eDP-1 --output DVI-I-1-1 --auto --right-of eDP-1 --output eDP-1 --auto --primaryI get display on both the monitors but on the second one it's again low res. I have a dual GPU laptop with nvidia+intel setup. I have also tried to block nouveau but no success. Here is the output of my dmesg:
dmesg | grep udl
[ 3.651205] udl 2-4:1.0: DVI-I-1: EDID invalid.
[ 3.651629] udl 2-4:1.0: fb1: udldrmfb frame buffer device
[ 3.675402] [drm] Initialized udl 0.0.1 20120220 for 2-4:1.0 on minor 0
[ 3.675404] [drm] Initialized udl on minor 0
[ 3.675468] usbcore: registered new interface driver udl
[ 29.138396] udl 2-4:1.0: DVI-I-1: EDID invalid.
[ 29.295298] udl 2-4:1.0: DVI-I-1: EDID invalid.I see here that the displaylink device is detected but it says that the EDID is invalid. Any pointers on how I can go ahead and fix this?
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