below commits are in v5.9-rc1, we have to backport those commits to groovy.
09eac8277262 drm/i915/tgl+: Fix TBT DPLL fractional divider for 38.4MHz ref clock f153478de4b2 drm/i915/tgl+: Use the correct DP_TP_* register instances in MST encoders 9fa6769952ee drm/i915/tgl: Add HBR and HBR2+ voltage swing table 84f9cbf33580 drm/i915/tgl: Implement WA_16011163337 250a353cd85f drm/i915/tgl: Update TC DP vswing table -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1886165 Title: [WD19TB] external DP failed with DRM error message To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1886165/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
