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[Felisa-Chen <1804414@xxxxxxxxxxxxxxxxxx>]

** Changed in: glance
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1804414

Title:
  Linux, Ubuntu, 18.04, X36CI, NB13, Can't set max resolution on 5K
  monitor that connected to SUT(FR:100%)

Status in Glance:
  Invalid

Bug description:
  Description:
  Connect a LG 27" 5K Thunderbolt Type-3 Monitor to the  Thunderbolt-3 port of SUT, can't set maximum resolution(5160x2880) in Display setting, the maximum can be set is 4096 x 2304.

  Expected Behavior:
  Connect a LG 27" 5K Thunderbolt Type-3 Monitor to the  Thunderbolt-3 port of SUT, can set maximum resolution(5160x2880) in Display setting.

  
  Severity:
  Sev-2
  P3
  C3
  L2

  Test Environment:
  1. Project: Northbay 13 SKU7
  2. BIOS: 0.4.0
  3. OS: CI Ubuntu 18.04
  4. Monitor: LG 27MD5KA-B 

  Note:
  1. VP on Join Displays, External only mode

  Cross Platform:
  N/A

  Test case:
  CSV-TC-5234[WIS-TC-4424] Linux_Thunderbolt3 - HDDs and Monitor Connected In Daisy-Chain Format Functionality Test step:18

  Steps to Reproduce:  
  1. Power on SUT, then plugging in the  LG 27" 5K Thunderbolt Type-3 Monitor  to the  Thunderbolt-3  port on SUT;
  2. Set SUT and the external monitor to external only mode;
  3. Go to the Display Setting and Check to make sure that the  resolution 
  4. Find can't set maximum resolution(5160x2880) in Display setting, the maximum can be set is 4096 x 2304.-->problem(Refer to pic)

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