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 | 0.19 seconds |
| Igt-Version |
IGT-Version: 2.4-g1295cc9cf (x86_64) (Linux: 7.0.0-rc6-CI_DRM_18264-g3bc4b20741a9+ x86_64) |
| Out |
Using IGT_SRANDOM=1775079705 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: 1
PCI device power state: D0 [0]
ref_tracker: intel_runtime_pm@ffff888143691828 has 1/1 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+0x140d/0x1d70 [i915]
intel_atomic_commit+0x2e8/0x330 [i915]
drm_atomic_commit+0xaf/0xf0
drm_atomic_helper_set_config+0x82/0xd0
drm_mode_setcrtc+0x548/0xa10
drm_ioctl_kernel+0xb3/0x120
drm_ioctl+0x2d4/0x5a0
__x64_sys_ioctl+0xa5/0x100
x64_sys_call+0x1250/0x26e0
do_syscall_64+0xdd/0x1440
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Starting subtest: basic-pci-d3-state
Subtest basic-pci-d3-state: SUCCESS (0.187s)
|
| Err |
Starting subtest: basic-pci-d3-state Subtest basic-pci-d3-state: SUCCESS (0.187s) |
| Dmesg |
<7> [76.352640] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_2
<7> [76.352908] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [76.353125] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [76.353376] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [76.354073] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<6> [76.364651] Console: switching to colour dummy device 80x25
<6> [76.364720] [IGT] kms_pm_rpm: executing
<7> [76.372998] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [76.376671] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:111:DP-1]
<7> [76.376679] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:111:DP-1]
<7> [76.376891] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [76.381834] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:111:DP-1] disconnected
<7> [76.382177] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:123:DP-2]
<7> [76.382182] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:123:DP-2]
<7> [76.383401] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [76.383937] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [76.384542] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_2
<7> [76.385293] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX C/DDI C/PHY C: DPCD: 12 0a 82 01 00 03 01 81 00 01 00 00 00 00 00
<7> [76.385785] i915 0000:00:02.0: [drm:drm_dp_dump_desc [drm_display_helper]] AUX C/DDI C/PHY C: DP branch: OUI 00-60-37 dev-ID 3355N2 HW-rev 1.0 SW-rev 1.3 quirks 0x0000
<7> [76.386389] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:123:DP-2] disconnected
<7> [76.386695] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-1]
<7> [76.386700] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-1]
<7> [76.387187] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [76.387405] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
<7> [76.387848] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [76.388116] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [76.388120] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [76.388310] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpc. force bit now 1
<7> [76.392754] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [76.392759] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpc. force bit now 0
<7> [76.392956] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-1] disconnected
<7> [76.393190] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:111:DP-1]
<7> [76.393195] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:111:DP-1]
<7> [76.397534] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:111:DP-1] disconnected
<7> [76.397550] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:123:DP-2]
<7> [76.397554] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:123:DP-2]
<7> [76.398317] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX C/DDI C/PHY C: DPCD: 12 0a 82 01 00 03 01 81 00 01 00 00 00 00 00
<7> [76.398796] i915 0000:00:02.0: [drm:drm_dp_dump_desc [drm_display_helper]] AUX C/DDI C/PHY C: DP branch: OUI 00-60-37 dev-ID 3355N2 HW-rev 1.0 SW-rev 1.3 quirks 0x0000
<7> [76.399420] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:123:DP-2] disconnected
<7> [76.399436] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-1]
<7> [76.399439] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-1]
<7> [76.399890] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [76.400072] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
<7> [76.400485] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [76.400703] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [76.400707] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [76.400888] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpc. force bit now 1
<7> [76.405363] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [76.405367] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpc. force bit now 0
<7> [76.405560] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-1] disconnected
<7> [76.405582] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:111:DP-1]
<7> [76.405586] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:111:DP-1]
<7> [76.409829] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:111:DP-1] disconnected
<7> [76.409869] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:123:DP-2]
<7> [76.409873] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:123:DP-2]
<7> [76.410611] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX C/DDI C/PHY C: DPCD: 12 0a 82 01 00 03 01 81 00 01 00 00 00 00 00
<7> [76.411108] i915 0000:00:02.0: [drm:drm_dp_dump_desc [drm_display_helper]] AUX C/DDI C/PHY C: DP branch: OUI 00-60-37 dev-ID 3355N2 HW-rev 1.0 SW-rev 1.3 quirks 0x0000
<7> [76.411742] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:123:DP-2] disconnected
<7> [76.411783] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-1]
<7> [76.411787] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-1]
<7> [76.412266] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [76.412463] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
<7> [76.412861] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [76.413083] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [76.413086] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [76.413348] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpc. force bit now 1
<7> [76.417644] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [76.417648] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpc. force bit now 0
<7> [76.417842] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-1] disconnected
<7> [76.488396] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_2
<7> [76.488996] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [76.489566] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [76.490272] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [76.491467] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [87.469036] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Suspending device
<7> [87.479297] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Device suspended
<7> [87.504133] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Resuming device
<7> [87.511776] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Device resumed
<7> [87.512840] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [87.513413] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:59:pipe A]
<7> [87.513695] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [87.514489] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [87.515364] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:84:pipe B]
<7> [87.515310] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:111:DP-1]
<7> [87.519673] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:123:DP-2]
<7> [87.520069] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_2
<7> [87.521267] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX C/DDI C/PHY C: DPCD: 12 0a 82 01 00 03 01 81 00 01 00 00 00 00 00
<7> [87.522042] i915 0000:00:02.0: [drm:drm_dp_dump_desc [drm_display_helper]] AUX C/DDI C/PHY C: DP branch: OUI 00-60-37 dev-ID 3355N2 HW-rev 1.0 SW-rev 1.3 quirks 0x0000
<7> [87.523259] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-1]
<7> [87.523843] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [87.524074] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
<7> [87.524487] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [87.524709] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [87.524714] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [87.524937] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpc. force bit now 1
<7> [87.529211] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [87.529215] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpc. force bit now 0
<7> [87.529568] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:109:pipe C]
<7> [87.532968] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_2
<7> [87.533226] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [87.533432] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [87.533634] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [87.534334] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [87.534730] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Suspending device
<7> [87.539245] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Device suspended
<6> [87.631509] [IGT] kms_pm_rpm: starting subtest basic-pci-d3-state
<7> [87.651342] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:59:pipe A]
<7> [87.663042] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Resuming device
<7> [87.672224] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Device resumed
<7> [87.673344] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [87.673852] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [87.674640] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [87.675662] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:84:pipe B]
<7> [87.675541] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:111:DP-1]
<7> [87.680174] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:123:DP-2]
<7> [87.680765] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_2
<7> [87.681963] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX C/DDI C/PHY C: DPCD: 12 0a 82 01 00 03 01 81 00 01 00 00 00 00 00
<7> [87.682740] i915 0000:00:02.0: [drm:drm_dp_dump_desc [drm_display_helper]] AUX C/DDI C/PHY C: DP branch: OUI 00-60-37 dev-ID 3355N2 HW-rev 1.0 SW-rev 1.3 quirks 0x0000
<7> [87.683951] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-1]
<7> [87.684414] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [87.684623] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
<7> [87.685048] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [87.685284] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [87.685288] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [87.685469] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpc. force bit now 1
<7> [87.689652] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [87.689656] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpc. force bit now 0
<7> [87.690086] i915 0000:00:02.0: [drm:drm_mode_setcrtc] [CRTC:109:pipe C]
<7> [87.693910] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_2
<7> [87.694137] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [87.694343] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [87.694545] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [87.695228] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [87.695502] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Suspending device
<7> [87.698732] i915 0000:00:02.0: [drm:intel_runtime_suspend [i915]] Device suspended
<7> [87.802966] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Resuming device
<7> [87.814129] i915 0000:00:02.0: [drm:intel_runtime_resume [i915]] Device resumed
<7> [87.815041] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [87.815747] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:111:DP-1]
<7> [87.815735] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [87.816938] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<6> [87.819439] [IGT] kms_pm_rpm: finished subtest basic-pci-d3-state, SUCCESS
<7> [87.822036] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:123:DP-2]
<7> [87.822357] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_2
<7> [87.823347] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX C/DDI C/PHY C: DPCD: 12 0a 82 01 00 03 01 81 00 01 00 00 00 00 00
<7> [87.824127] i915 0000:00:02.0: [drm:drm_dp_dump_desc [drm_display_helper]] AUX C/DDI C/PHY C: DP branch: OUI 00-60-37 dev-ID 3355N2 HW-rev 1.0 SW-rev 1.3 quirks 0x0000
<7> [87.825412] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-1]
<7> [87.825910] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [87.826095] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
<7> [87.826475] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
<7> [87.826693] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [87.826699] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [87.826920] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpc. force bit now 1
<7> [87.831142] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
<7> [87.831147] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpc. force bit now 0
<7> [87.831496] i915 0000:00:02.0: [drm:drm_client_dev_restore] fbdev: ret=0
<6> [87.831625] [IGT] kms_pm_rpm: exiting, ret=0
<6> [87.832929] Console: switching to colour frame buffer device 128x48
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