Result:
git-log-oneline i915_display_info0 igt_runner0 run0 runtimes0 results0.json guc_logs0.tar i915_display_info_post_exec0 boot0 dmesg0
| Detail | Value |
|---|---|
| Duration | 1.22 seconds |
| Igt-Version |
IGT-Version: 2.3-g0b67ab25f (x86_64) (Linux: 6.19.0-rc5-next-20260113-next-20260113-g0f853ca2a798+ x86_64) |
| Out |
Using IGT_SRANDOM=1768286184 for randomisation
Opened device: /dev/dri/card0
Runtime PM support: 1
PC8 residency support: 0
DMC: fw loaded: yes
i915_runtime_pm_status:
GPU idle: yes
IRQs disabled: no
Usage count: 2
PCI device power state: D0 [0]
ref_tracker: intel_runtime_pm@ffff8881402e1818 has 1/2 users at
track_intel_runtime_pm_wakeref+0x90/0xb0 [i915]
__intel_runtime_pm_get+0x60/0x130 [i915]
i915_display_rpm_get_raw+0x17/0x30 [i915]
intel_display_rpm_get_raw+0x20/0x30 [i915]
__intel_display_power_put_async+0x3a/0x1c0 [i915]
intel_atomic_commit_tail+0x13a1/0x1cb0 [i915]
intel_atomic_commit+0x2e8/0x330 [i915]
drm_atomic_commit+0xaf/0xf0
drm_atomic_helper_set_config+0x82/0xd0
drm_mode_setcrtc+0x407/0xa10
drm_ioctl_kernel+0xb3/0x120
drm_ioctl+0x2d4/0x5a0
__x64_sys_ioctl+0xa5/0x100
x64_sys_call+0x1243/0x26b0
do_syscall_64+0x93/0x1470
entry_SYSCALL_64_after_hwframe+0x76/0x7e
ref_tracker: intel_runtime_pm@ffff8881402e1818 has 1/2 users at
track_intel_runtime_pm_wakeref+0x90/0xb0 [i915]
__intel_runtime_pm_get+0x60/0x130 [i915]
i915_display_rpm_get+0x1a/0x30 [i915]
intel_display_rpm_get+0x1f/0x30 [i915]
intel_display_power_get+0x22/0x70 [i915]
xelpdp_tc_phy_connect+0x48/0x100 [i915]
intel_tc_port_reset_mode+0x285/0x3b0 [i915]
__intel_tc_port_lock+0xe3/0x130 [i915]
intel_tc_port_lock+0x1a/0x30 [i915]
intel_digital_port_connected+0x33/0xa0 [i915]
intel_dp_detect+0xfc/0x810 [i915]
detect_connector_status+0x21/0x60
drm_helper_probe_single_connector_modes+0x4d5/0x7c0
drm_mode_getconnector+0x41d/0x580
drm_ioctl_kernel+0xb3/0x120
drm_ioctl+0x2d4/0x5a0
Starting subtest: basic-pci-d3-state
Subtest basic-pci-d3-state: SUCCESS (1.221s)
|
| Err |
Starting subtest: basic-pci-d3-state Subtest basic-pci-d3-state: SUCCESS (1.221s) |
| Dmesg |
<6> [108.955243] [IGT] kms_pm_rpm: executing
<7> [108.957291] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [108.969951] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:506:DP-1]
<7> [108.969965] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:506:DP-1]
<7> [108.974476] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:506:DP-1] disconnected
<7> [108.975113] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:520:DP-2]
<7> [108.975120] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:520:DP-2]
<7> [108.975722] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:520:DP-2] disconnected
<7> [108.976270] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:529:DP-3]
<7> [108.976275] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:529:DP-3]
<7> [108.976836] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:529:DP-3] disconnected
<7> [108.977324] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:538:DP-4]
<7> [108.977329] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:538:DP-4]
<7> [108.977852] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:538:DP-4] disconnected
<7> [108.978294] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:547:DP-5]
<7> [108.978298] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:547:DP-5]
<7> [108.978774] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:547:DP-5] disconnected
<7> [108.979264] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:506:DP-1]
<7> [108.979268] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:506:DP-1]
<7> [108.983569] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:506:DP-1] disconnected
<7> [108.983579] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:520:DP-2]
<7> [108.983582] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:520:DP-2]
<7> [108.983882] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:520:DP-2] disconnected
<7> [108.983892] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:529:DP-3]
<7> [108.983894] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:529:DP-3]
<7> [108.984287] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:529:DP-3] disconnected
<7> [108.984296] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:538:DP-4]
<7> [108.984297] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:538:DP-4]
<7> [108.984742] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:538:DP-4] disconnected
<7> [108.984750] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:547:DP-5]
<7> [108.984752] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:547:DP-5]
<7> [108.985153] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:547:DP-5] disconnected
<7> [108.985170] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:506:DP-1]
<7> [108.985172] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:506:DP-1]
<7> [108.989384] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:506:DP-1] disconnected
<7> [108.989417] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:520:DP-2]
<7> [108.989419] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:520:DP-2]
<7> [108.989853] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:520:DP-2] disconnected
<7> [108.989889] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:529:DP-3]
<7> [108.989891] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:529:DP-3]
<7> [108.990298] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:529:DP-3] disconnected
<7> [108.990329] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:538:DP-4]
<7> [108.990331] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:538:DP-4]
<7> [108.990745] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:538:DP-4] disconnected
<7> [108.990775] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:547:DP-5]
<7> [108.990776] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:547:DP-5]
<7> [108.991168] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:547:DP-5] disconnected
<7> [109.991097] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port E/TC#2: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7> [109.990990] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port F/TC#3: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7> [109.991167] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port D/TC#1: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7> [109.994257] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:149:pipe A]
<7> [109.994723] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [109.995397] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [109.997029] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:267:pipe B]
<7> [109.997351] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:385:pipe C]
<7> [109.997575] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:503:pipe D]
<7> [110.015892] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [110.016475] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [110.016885] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [110.054869] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [110.055501] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port G/TC#4: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7> [110.055588] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Suspending device
<7> [110.057676] i915 0000:00:02.0: [drm:intel_uc_runtime_suspend [i915]] GT0: GUC: communication disabled
<7> [110.058509] i915 0000:00:02.0: [drm:intel_uc_runtime_suspend [i915]] GT1: GUC: communication disabled
<7> [110.059397] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [110.060273] i915 0000:00:02.0: [drm:gen9_dbuf_slices_update [i915]] Updating dbuf slices to 0x0
<7> [110.060941] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_1
<7> [110.061367] i915 0000:00:02.0: [drm:bxt_enable_dc9 [i915]] Enabling DC9
<7> [110.061746] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 08
<7> [110.062595] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Device suspended
<6> [110.102283] [IGT] kms_pm_rpm: starting subtest basic-pci-d3-state
<7> [110.130999] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:149:pipe A]
<7> [110.143008] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Resuming device
<7> [110.143382] i915 0000:00:02.0: [drm:bxt_disable_dc9 [i915]] Disabling DC9
<7> [110.143790] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 08 to 00
<7> [110.144209] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 00
<7> [110.144614] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_1
<7> [110.145071] i915 0000:00:02.0: [drm:intel_cdclk_init_hw [i915]] Current CDCLK 19200 kHz, VCO 0 kHz, ref 38400 kHz, bypass 19200 kHz, voltage level 0
<7> [110.145422] i915 0000:00:02.0: [drm:intel_cdclk_init_hw [i915]] Sanitizing cdclk programmed by pre-os
<7> [110.145970] i915 0000:00:02.0: [drm:gen9_dbuf_slices_update [i915]] Updating dbuf slices to 0x1
<7> [110.146414] i915 0000:00:02.0: [drm:icl_display_core_init [i915]] Unknown memory configuration; disabling address buddy logic.
<7> [110.155868] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [110.156200] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [110.159504] i915 0000:00:02.0: [drm:guc_enable_communication [i915]] GT0: GUC: communication enabled
<7> [110.162082] i915 0000:00:02.0: [drm:guc_enable_communication [i915]] GT1: GUC: communication enabled
<7> [110.164488] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Device resumed
<7> [110.165439] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [110.166188] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [110.166737] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [110.167767] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:506:DP-1]
<7> [110.168178] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:267:pipe B]
<7> [110.172518] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:520:DP-2]
<7> [110.173028] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [110.173575] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [110.173986] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [110.174530] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port D/TC#1: TC port mode reset (disconnected -> tbt-alt) pin assignment: - max lanes: 4
<7> [110.175345] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [110.175889] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [110.176523] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:529:DP-3]
<7> [110.176959] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [110.177421] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [110.177798] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [110.178314] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port E/TC#2: TC port mode reset (disconnected -> tbt-alt) pin assignment: - max lanes: 4
<7> [110.179001] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:538:DP-4]
<7> [110.179624] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port F/TC#3: TC port mode reset (disconnected -> tbt-alt) pin assignment: - max lanes: 4
<7> [110.180266] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:547:DP-5]
<7> [110.180712] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:385:pipe C]
<7> [110.181162] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port G/TC#4: TC port mode reset (disconnected -> tbt-alt) pin assignment: - max lanes: 4
<7> [110.181973] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [110.182517] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [110.183277] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:503:pipe D]
<7> [110.200841] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [110.201301] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [110.201661] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [111.206916] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port G/TC#4: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7> [111.207021] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port F/TC#3: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7> [111.207115] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port E/TC#2: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7> [111.207268] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [111.207930] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Suspending device
<7> [111.207832] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port D/TC#1: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4
<7> [111.208721] i915 0000:00:02.0: [drm:intel_uc_runtime_suspend [i915]] GT0: GUC: communication disabled
<7> [111.208929] i915 0000:00:02.0: [drm:intel_uc_runtime_suspend [i915]] GT1: GUC: communication disabled
<7> [111.209617] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [111.210075] i915 0000:00:02.0: [drm:gen9_dbuf_slices_update [i915]] Updating dbuf slices to 0x0
<7> [111.210374] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_1
<7> [111.210579] i915 0000:00:02.0: [drm:bxt_enable_dc9 [i915]] Enabling DC9
<7> [111.210722] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 08
<7> [111.210909] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Device suspended
<7> [111.299339] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Resuming device
<7> [111.299721] i915 0000:00:02.0: [drm:bxt_disable_dc9 [i915]] Disabling DC9
<7> [111.300101] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 08 to 00
<7> [111.300512] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 00
<7> [111.301097] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_1
<7> [111.301782] i915 0000:00:02.0: [drm:intel_cdclk_init_hw [i915]] Current CDCLK 19200 kHz, VCO 0 kHz, ref 38400 kHz, bypass 19200 kHz, voltage level 0
<7> [111.302199] i915 0000:00:02.0: [drm:intel_cdclk_init_hw [i915]] Sanitizing cdclk programmed by pre-os
<7> [111.302845] i915 0000:00:02.0: [drm:gen9_dbuf_slices_update [i915]] Updating dbuf slices to 0x1
<7> [111.303343] i915 0000:00:02.0: [drm:icl_display_core_init [i915]] Unknown memory configuration; disabling address buddy logic.
<7> [111.312828] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [111.313157] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [111.316583] i915 0000:00:02.0: [drm:guc_enable_communication [i915]] GT0: GUC: communication enabled
<7> [111.319180] i915 0000:00:02.0: [drm:guc_enable_communication [i915]] GT1: GUC: communication enabled
<7> [111.321114] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Device resumed
<7> [111.321783] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [111.322162] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:506:DP-1]
<6> [111.323852] [IGT] kms_pm_rpm: finished subtest basic-pci-d3-state, SUCCESS
<7> [111.325813] i915 0000:00:02.0: [drm:drm_client_dev_restore] fbdev: ret=0
<6> [111.325987] [IGT] kms_pm_rpm: exiting, ret=0
<7> [111.326635] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:520:DP-2]
<7> [111.327351] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port D/TC#1: TC port mode reset (disconnected -> tbt-alt) pin assignment: - max lanes: 4
<7> [111.328032] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:529:DP-3]
<7> [111.328710] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port E/TC#2: TC port mode reset (disconnected -> tbt-alt) pin assignment: - max lanes: 4
<7> [111.329346] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:538:DP-4]
<7> [111.330098] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port F/TC#3: TC port mode reset (disconnected -> tbt-alt) pin assignment: - max lanes: 4
<7> [111.330748] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:547:DP-5]
<7> [111.331380] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port G/TC#4: TC port mode reset (disconnected -> tbt-alt) pin assignment: - max lanes: 4
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