[ADL_P only]All tests - dmesg-warn/dmesg-fail - *ERROR* Link Training Unsuccessful| *ERROR* .* Failed to (enable|update) link training

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10739/re-adlp-pub1/igt@kms_flip@2x-busy-flip@bd-dp1-dp7.html#dmesg-warnings531

<7> [692.316798] i915 0000:00:02.0: [drm:intel_dp_set_signal_levels [i915]] [ENCODER:235:DDI B/PHY B][DPRX] 8b/10b, lanes: 1, vswing levels: 2/2/2/2, pre-emphasis levels: 1/1/1/1
<7> [692.350267] i915 0000:00:02.0: [drm:intel_dp_get_adjust_train [i915]] [ENCODER:235:DDI B/PHY B][DPRX] 8b/10b, lanes: 1, vswing request: 2/0/0/0, pre-emphasis request: 1/0/0/0
<7> [692.350350] i915 0000:00:02.0: [drm:intel_dp_set_signal_levels [i915]] [ENCODER:235:DDI B/PHY B][DPRX] 8b/10b, lanes: 1, vswing levels: 2/2/2/2, pre-emphasis levels: 1/1/1/1
<7> [692.350945] i915 0000:00:02.0: [drm:intel_dp_dump_link_status [i915]] [ENCODER:235:DDI B/PHY B][DPRX] ln0_1:0x1 ln2_3:0x0 align:0x80 sink:0x0 adj_req0_1:0x6 adj_req2_3:0x0
<7> [692.351030] i915 0000:00:02.0: [drm:intel_dp_link_train_phy [i915]] [ENCODER:235:DDI B/PHY B][DPRX] Channel equalization failed 5 times
<7> [692.351113] i915 0000:00:02.0: [drm:intel_dp_link_train_phy [i915]] [CONNECTOR:236:DP-1][ENCODER:235:DDI B/PHY B][DPRX] Link Training failed at link rate = 162000, lane count = 1
<3> [692.351504] i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful
<6> [692.354029] i915 0000:00:02.0: [drm] PPS0 = 0x0003dc11
<6> [692.354032] i915 0000:00:02.0: [drm] PPS1 = 0x00000080
<6> [692.354034] i915 0000:00:02.0: [drm] PPS2 = 0x07800438
<6> [692.354036] i915 0000:00:02.0: [drm] PPS3 = 0x07800008
<6> [692.354039] i915 0000:00:02.0: [drm] PPS4 = 0x04c00200
<6> [692.354041] i915 0000:00:02.0: [drm] PPS5 = 0x001a00fd