** Description changed:

- I have no output to my external monitor via docking station and display
- port.
+ I have no output to my external monitor via docking station (with a
+ thinkpad W530 and Quadro K2200M) and display port.
+ 
+ With noveau drivers it works.
+ 
+ xrandr --query
+ 
+ Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
+ DP-5.8 connected primary (normal left inverted right x axis y axis)
+    2560x1600     59.97 +
+    1920x1200     59.88
+    1920x1080     60.00    59.94    50.00    23.97    60.05    60.00    50.04
+    1680x1050     59.95
+    1600x1200     60.00
+    1280x1024     75.02    60.02
+    1280x800      59.81
+    1280x720      60.00    59.94    50.00
+    1152x864      75.00
+    1024x768      75.03    60.00
+    800x600       75.00    60.32
+    720x576       50.00
+    720x480       60.01    59.94
+    640x480       75.00    59.94    59.93
+ LVDS-0 disconnected (normal left inverted right x axis y axis)
+ DP-0 disconnected (normal left inverted right x axis y axis)
+ DP-1 disconnected (normal left inverted right x axis y axis)
+ 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)
+ DP-5 disconnected (normal left inverted right x axis y axis)
+ LVDS-1-1 connected 1920x1080+0+0 344mm x 193mm
+    1920x1080     60.00*+  59.93    50.00
+    1680x1050     59.95    59.88
+    1600x1024     60.17
+    1400x1050     59.98
+    1280x1024     60.02
+    1440x900      59.89
+    1280x960      60.00
+    1360x768      59.80    59.96
+    1152x864      60.00
+    1024x768      60.04    60.00
+    960x720       60.00
+    928x696       60.05
+    896x672       60.01
+    960x600       60.00
+    960x540       59.99
+    800x600       60.00    60.32    56.25
+    840x525       60.01    59.88
+    800x512       60.17
+    700x525       59.98
+    640x512       60.02
+    720x450       59.89
+    640x480       60.00    59.94
+    680x384       59.80    59.96
+    576x432       60.06
+    512x384       60.00
+    400x300       60.32    56.34
+    320x240       60.05
+ VGA-1-1 disconnected
+   1680x1050 (0x48) 146.250MHz -HSync +VSync
+         h: width  1680 start 1784 end 1960 total 2240 skew    0 clock  
65.29KHz
+         v: height 1050 start 1053 end 1059 total 1089           clock  59.95Hz
+   1280x1024 (0x4c) 108.000MHz +HSync +VSync
+         h: width  1280 start 1328 end 1440 total 1688 skew    0 clock  
63.98KHz
+         v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
+   1024x768 (0x53) 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 (0x5a) 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
+   640x480 (0x63) 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  59.94Hz
+ 
+ So the monitor DP-5.8 is regognized, but for example xrandr --output DP-5.8 
--auto does not result in an output, same with disper -s, disper -S, arandr, 
gnome-display settings, kde-display settings. Same with xrandr --output DP-5.8 
--mode "2560x1600" --primary
+ I have no output to my external monitor via docking station and display port. 
  
  With noveau drivers it works.
  
  xrandr --query
  
  Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
  DP-5.8 connected primary (normal left inverted right x axis y axis)
     2560x1600     59.97 +
     1920x1200     59.88  
     1920x1080     60.00    59.94    50.00    23.97    60.05    60.00    50.04  
     1680x1050     59.95  
     1600x1200     60.00  
     1280x1024     75.02    60.02  
     1280x800      59.81  
     1280x720      60.00    59.94    50.00  
     1152x864      75.00  
     1024x768      75.03    60.00  
     800x600       75.00    60.32  
     720x576       50.00  
     720x480       60.01    59.94  
     640x480       75.00    59.94    59.93  
  LVDS-0 disconnected (normal left inverted right x axis y axis)
  DP-0 disconnected (normal left inverted right x axis y axis)
  DP-1 disconnected (normal left inverted right x axis y axis)
  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)
  DP-5 disconnected (normal left inverted right x axis y axis)
  LVDS-1-1 connected 1920x1080+0+0 344mm x 193mm
     1920x1080     60.00*+  59.93    50.00  
     1680x1050     59.95    59.88  
     1600x1024     60.17  
     1400x1050     59.98  
     1280x1024     60.02  
     1440x900      59.89  
     1280x960      60.00  
     1360x768      59.80    59.96  
     1152x864      60.00  
     1024x768      60.04    60.00  
     960x720       60.00  
     928x696       60.05  
     896x672       60.01  
     960x600       60.00  
     960x540       59.99  
     800x600       60.00    60.32    56.25  
     840x525       60.01    59.88  
     800x512       60.17  
     700x525       59.98  
     640x512       60.02  
     720x450       59.89  
     640x480       60.00    59.94  
     680x384       59.80    59.96  
     576x432       60.06  
     512x384       60.00  
     400x300       60.32    56.34  
     320x240       60.05  
  VGA-1-1 disconnected
    1680x1050 (0x48) 146.250MHz -HSync +VSync
          h: width  1680 start 1784 end 1960 total 2240 skew    0 clock  
65.29KHz
          v: height 1050 start 1053 end 1059 total 1089           clock  59.95Hz
    1280x1024 (0x4c) 108.000MHz +HSync +VSync
          h: width  1280 start 1328 end 1440 total 1688 skew    0 clock  
63.98KHz
          v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
    1024x768 (0x53) 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 (0x5a) 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
    640x480 (0x63) 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  59.94Hz
  
  So the monitor DP-5.8 is regognized, but for example xrandr --output
  DP-5.8 --auto does not result in an output, same with disper -s, disper
  -S, arandr, gnome-display settings, kde-display settings. Same with
  xrandr --output DP-5.8 --mode "2560x1600" --primary
  
  I am also wondering why there does a VGA device shows up in my xrandr
  --query, but I don't have one connected.
  
  With nvidia-340 the output works.
+ I am also wondering why there does a VGA device shows up in my xrandr 
--query, but I don't have one connected.
+ 
+ With nvidia-340 the output works.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: nvidia-375 375.66-0ubuntu0.16.04.1
  ProcVersionSignature: Ubuntu 4.4.0-92.115-generic 4.4.76
  Uname: Linux 4.4.0-92-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  Date: Tue Sep  5 23:15:04 2017
  InstallationDate: Installed on 2016-05-18 (475 days ago)
  InstallationMedia: Lubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420)
  SourcePackage: nvidia-graphics-drivers-375
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1715245

Title:
  No output on external monitor via docking station and display port

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