<7> [58.698420] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.699081] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: Too many retries, giving up
<7> [58.699760] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.701642] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.703272] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.704885] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.706475] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.707796] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.709662] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.710326] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: Too many retries, giving up
<7> [58.710357] i915 0000:00:02.0: [drm:drm_dp_dual_mode_detect [drm_display_helper]] DP dual mode HDMI ID: (err -121)
<7> [58.710386] i915 0000:00:02.0: [drm:lspcon_init [i915]] No LSPCON detected, found unknown
<3> [58.710933] i915 0000:00:02.0: [drm] *ERROR* Failed to probe lspcon
<3> [58.710948] i915 0000:00:02.0: [drm] *ERROR* LSPCON init failed on port B
<7> [58.712086] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX B/DDI B/PHY B: DPCD: 12 14 c4 01 01 15 01 81 00 00 04 00 0f 00 04
<7> [58.713162] i915 0000:00:02.0: [drm:drm_dp_read_desc [drm_display_helper]] AUX B/DDI B/PHY B: DP branch: OUI 00-60-ad dev-ID MC2800 HW-rev 2.2 SW-rev 1.77 quirks 0x0000
<7> [58.714844] i915 0000:00:02.0: [drm:drm_dp_read_downstream_info [drm_display_helper]] AUX B/DDI B/PHY B: DPCD DFP: 0b f0 03 11
<7> [58.715627] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [ENCODER:114:DDI B/PHY B] MST support: port: yes, sink: SST, modparam: yes -> enable: SST
<7> [58.722174] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
<7> [58.722709] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000, 540000
<7> [58.723170] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000, 540000
<7> [58.724624] i915 0000:00:02.0: [drm:intel_dp_dump_link_status [i915]] [CONNECTOR:115:DP-1][ENCODER:114:DDI B/PHY B][DPRX] ln0_1:0x1 ln2_3:0x0 align:0x81 sink:0x0 adj_req0_1:0x33 adj_req2_3:0x33
<7> [58.725104] i915 0000:00:02.0: [drm:intel_dp_link_ok [i915]] [ENCODER:114:DDI B/PHY B] 8b/10b link not ok, retraining
<7> [58.726637] i915 0000:00:02.0: [drm:intel_dp_dump_link_status [i915]] [CONNECTOR:115:DP-1][ENCODER:114:DDI B/PHY B][DPRX] ln0_1:0x1 ln2_3:0x0 align:0x81 sink:0x0 adj_req0_1:0x33 adj_req2_3:0x33
<7> [58.727122] i915 0000:00:02.0: [drm:intel_dp_link_ok [i915]] [ENCODER:114:DDI B/PHY B] 8b/10b link not ok, retraining
<7> [58.727625] i915 0000:00:02.0: [drm:intel_dp_retrain_link [i915]] [ENCODER:114:DDI B/PHY B] retraining link
<7> [58.729168] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX B/DDI B/PHY B: DPCD: 12 14 c4 01 01 15 01 81 00 00 04 00 0f 00 04
<7> [58.730322] i915 0000:00:02.0: [drm:intel_dp_start_link_train [i915]] [CONNECTOR:115:DP-1][ENCODER:114:DDI B/PHY B][DPRX] Using LINK_BW_SET value 06
<7> [58.731790] i915 0000:00:02.0: [drm:intel_dp_set_signal_levels [i915]] [CONNECTOR:115:DP-1][ENCODER:114:DDI B/PHY B][DPRX] 8b/10b, lanes: 1, vswing levels: 0/0/0/0, pre-emphasis levels: 0/0/0/0
<7> [58.732322] i915 0000:00:02.0: [drm:intel_dp_program_link_training_pattern [i915]] [CONNECTOR:115:DP-1][ENCODER:114:DDI B/PHY B][DPRX] Using DP training pattern TPS1
<7> [58.782290] i915 0000:00:02.0: [drm:drm_dp_dpcd_access [drm_display_helper]] AUX B/DDI B/PHY B: Too many retries, giving up. First error: -5
<3> [58.782409] i915 0000:00:02.0: [drm] *ERROR* [CONNECTOR:115:DP-1][ENCODER:114:DDI B/PHY B][DPRX] Failed to enable link training
<7> [58.782425] i915 0000:00:02.0: [drm:intel_dp_link_train_phy [i915]] [CONNECTOR:115:DP-1][ENCODER:114:DDI B/PHY B][DPRX] Link Training failed at link rate = 162000, lane count = 1
<3> [58.783454] i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful
<7> [58.794896] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.796177] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.797741] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.799027] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.800836] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.802440] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.803913] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.804671] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: Too many retries, giving up
<7> [58.805744] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.807269] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.808802] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.810400] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.811941] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.813507] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.815153] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.815956] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: Too many retries, giving up
<7> [58.816733] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.818559] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.820319] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer
<7> [58.821818] i915 0000:00:02.0: [drm:drm_dp_i2c_do_msg [drm_display_helper]] AUX B/DDI B/PHY B: native defer