Public bug reported:

[Impact]
SUT attach WD22TB4 dock, plug in two 4K monitor, the monitor resolution can't 
reach 4K 60Hz

[Fix]
Fix maximum DP source rate

[Test Case]
1. Connect two 4K external monitor to WD22TB4
2. the monitor resolution can reach 4K 60Hz

[Where problems could occur]
Low

** Affects: hwe-next
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: koba (kobako)
         Status: In Progress

** Affects: linux-oem-5.14 (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Focal)
     Importance: Undecided
         Status: New

** Affects: linux-oem-5.14 (Ubuntu Focal)
     Importance: Undecided
     Assignee: koba (kobako)
         Status: In Progress

** Affects: linux (Ubuntu Jammy)
     Importance: Undecided
     Assignee: koba (kobako)
         Status: In Progress

** Affects: linux-oem-5.14 (Ubuntu Jammy)
     Importance: Undecided
         Status: New


** Tags: oem-priority originate-from-1961653 somerville

** Also affects: linux-oem-5.14 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.14 (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.14 (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Tags added: oem-priority originate-from-1961653 somerville

** Changed in: linux-oem-5.14 (Ubuntu Focal)
       Status: New => In Progress

** Changed in: linux-oem-5.14 (Ubuntu Focal)
     Assignee: (unassigned) => koba (kobako)

** Changed in: linux (Ubuntu Jammy)
       Status: New => In Progress

** Changed in: linux (Ubuntu Jammy)
     Assignee: (unassigned) => koba (kobako)

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https://bugs.launchpad.net/bugs/1967986

Title:
  Fix ADL, WD22TB4,Dual monitors display resolution can't reach 4K 60hz

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  In Progress
Status in linux-oem-5.14 package in Ubuntu:
  New
Status in linux source package in Focal:
  New
Status in linux-oem-5.14 source package in Focal:
  In Progress
Status in linux source package in Jammy:
  In Progress
Status in linux-oem-5.14 source package in Jammy:
  New

Bug description:
  [Impact]
  SUT attach WD22TB4 dock, plug in two 4K monitor, the monitor resolution can't 
reach 4K 60Hz

  [Fix]
  Fix maximum DP source rate

  [Test Case]
  1. Connect two 4K external monitor to WD22TB4
  2. the monitor resolution can reach 4K 60Hz

  [Where problems could occur]
  Low

To manage notifications about this bug go to:
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