This bug is awaiting verification that the linux-oem-5.14/5.14.0-1035.38 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-focal -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. 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: Fix Committed Status in linux source package in Jammy: Fix Committed 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. this patch should be taken first, 73867c8709) drm/i915/display: Remove check for low voltage sku for max dp source rate Then, on U/J/OEM-5.14, apply 3fd6afb623ba) drm/i915/intel_combo_phy: Print I/O voltage info, [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: https://bugs.launchpad.net/hwe-next/+bug/1967986/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
