RPL: Dock: Some external monitor can't light up after wake from S5 via WD22TB

[Summary]

Sometimes external monitor can't light up after wake from S5 via WD22TB

[Reproduce Steps]

1. Power off DUT
2. Hook screen to WD22TB via DP port
3. Plug WD22TB into DUT
4. Wait DUT boot into ubuntu

[Results]

Expected: External monitor output correctly
Actual: External monitor did not light up
[Affected monitors]

1. Asus PA27AC

[Additional Information]

BIOS Version: 0.6.51
Kernel Version: Ubuntu 6.0.0-1009-oem/drm-tip: 2023y-01m-05d-13h-04m-16s/drm-tip: 2023y-01m-10d-02h-16m-57s UTC integration manifest

CPU: Raptor Lake i7-1355U

There's a link training error, the rx clock cant recovery so the link training can't go further.

[    4.801489] i915 0000:00:02.0: [drm:intel_dp_dump_link_status [i915]] [ENCODER:253:DDI TC1/PHY TC1][DPRX] ln0_1:0x0 ln2_3:0x0 align:0x0 sink:0x0 adj_req0_1:0x99 adj_req2_3:0x99
[    4.801562] i915 0000:00:02.0: [drm:intel_dp_link_training_clock_recovery [i915]] [ENCODER:253:DDI TC1/PHY TC1][DPRX] Same voltage tried 5 times
[    4.801632] i915 0000:00:02.0: [drm:intel_dp_link_train_phy [i915]] [CONNECTOR:254:DP-1][ENCODER:253:DDI TC1/PHY TC1][DPRX] Link Training failed at link rate = 810000, lane count = 4
[    4.802333] i915 0000:00:02.0: [drm] *ERROR* Link Training Unsucces

drm_20230105.txt drm-tip: 2023y-01m-10d-02h-16m-57s UTC integration manifest