Results for igt@kms_pm_backlight@basic-brightness

Result: Skip

git-log-oneline i915_display_info0 igt_runner0 run0 runtimes0 results0.json guc_logs0.tar i915_display_info_post_exec0 boot0 dmesg0

DetailValue
Duration 0.00 seconds
Igt-Version 
IGT-Version: 2.3-g2020b0bf9 (x86_64) (Linux: 6.19.0-CI_DRM_18007-gcc2c646d3920+ x86_64)
Out 
Using IGT_SRANDOM=1771521509 for randomisation
Opened device: /dev/dri/card0
Test requirement not met in function __igt_unique____real_main206, file ../tests/intel/kms_pm_backlight.c:288:
Test requirement: found
No valid output found.
Last errno: 95, Operation not supported
Subtest basic-brightness: SKIP (0.000s)
Err 
Subtest basic-brightness: SKIP (0.000s)
Dmesg
<6> [281.217481] Console: switching to colour dummy device 80x25
<6> [281.218623] [IGT] kms_pm_backlight: executing
<7> [281.232799] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [281.236610] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<7> [281.239678] i915 0000:00:02.0: [drm:i915_gem_open [i915]]
<7> [281.262887] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:113:DP-1]
<7> [281.262924] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:113:DP-1]
<7> [281.263953] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [281.264843] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [281.266431] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [281.271992] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:113:DP-1] disconnected
<7> [281.272207] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:113:DP-1]
<7> [281.277469] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:120:HDMI-A-1]
<7> [281.278920] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.279880] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [281.281422] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.282903] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.282933] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.284019] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [281.287040] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.287072] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [281.288324] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:125:DP-2]
<7> [281.293518] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-2]
<7> [281.294879] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.295835] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [281.297407] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.298867] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.298897] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.299955] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [281.302973] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.303005] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [281.305899] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:120:HDMI-A-1]
<7> [281.305932] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:120:HDMI-A-1]
<7> [281.306967] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [281.308536] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [281.310002] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [281.310944] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [281.313322] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [281.315298] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.316071] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [281.317107] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.318060] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.318087] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.319051] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [281.322648] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.322718] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [281.323916] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [281.325235] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [281.326097] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:120:HDMI-A-1] disconnected
<7> [281.328037] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:125:DP-2]
<7> [281.328062] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:125:DP-2]
<7> [281.329192] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [281.329968] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [281.331505] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [281.336615] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:125:DP-2] disconnected
<7> [281.336803] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:113:DP-1]
<7> [281.342873] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:120:HDMI-A-1]
<7> [281.345106] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.346135] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [281.347300] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.348571] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.348601] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.349589] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [281.352434] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.352466] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [281.353810] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:125:DP-2]
<7> [281.359051] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-2]
<7> [281.360422] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.361367] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [281.362930] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.364446] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.364477] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.365559] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [281.368582] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.368615] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [281.371215] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [281.372845] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [281.375234] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-2]
<7> [281.375271] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-2]
<7> [281.376349] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [281.377127] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [281.378800] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [281.380623] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.381588] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [281.383281] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.384401] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.384428] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.385446] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [281.388012] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.388039] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [281.389065] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [281.390730] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [281.391785] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-2] disconnected
<7> [281.394656] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:113:DP-1]
<7> [281.394692] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:113:DP-1]
<7> [281.395707] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [281.396629] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [281.398485] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [281.403547] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:113:DP-1] disconnected
<7> [281.403699] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:113:DP-1]
<7> [281.408939] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:120:HDMI-A-1]
<7> [281.410236] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.411051] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [281.412196] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.413064] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.413095] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.414831] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [281.418194] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.418330] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [281.419556] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:125:DP-2]
<7> [281.424770] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-2]
<7> [281.426245] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.427037] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [281.428112] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.429022] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.429050] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.429926] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [281.433352] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.433456] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [281.434841] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:120:HDMI-A-1]
<7> [281.434872] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:120:HDMI-A-1]
<7> [281.436219] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.436981] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [281.438051] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.439012] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.439039] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.439987] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [281.443079] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.443508] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [281.444883] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [281.446241] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [281.447096] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:120:HDMI-A-1] disconnected
<7> [281.447536] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:125:DP-2]
<7> [281.447559] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:125:DP-2]
<7> [281.448520] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [281.449459] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [281.451727] i915 0000:00:02.0: [drm:intel_vga_disable [i915]] VGA decode is disabled
<7> [281.456761] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:125:DP-2] disconnected
<7> [281.456935] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:113:DP-1]
<7> [281.462348] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:120:HDMI-A-1]
<7> [281.463686] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.464652] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7> [281.465769] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
<7> [281.466755] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.466784] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.468556] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus dpb. force bit now 1
<7> [281.471699] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
<7> [281.471733] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus dpb. force bit now 0
<7> [281.472917] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:125:DP-2]
<7> [281.478183] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-2]
<7> [281.479590] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.480513] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [281.481637] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.482551] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.482580] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.483455] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [281.486815] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.486886] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [281.488274] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-2]
<7> [281.488304] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:129:HDMI-A-2]
<7> [281.489687] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.490548] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK on first message, retry
<7> [281.491645] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus panel] NAK for addr: 0050 w(1)
<7> [281.492663] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.492690] i915 0000:00:02.0: [drm:intel_hdmi_set_edid [i915]] HDMI GMBUS EDID read failed, retry using GPIO bit-banging
<7> [281.493564] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus panel. force bit now 1
<7> [281.496957] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
<7> [281.497032] i915 0000:00:02.0: [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus panel. force bit now 0
<7> [281.498329] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling display
<7> [281.500093] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [281.501045] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:129:HDMI-A-2] disconnected
<6> [281.502638] [IGT] kms_pm_backlight: exiting, ret=77
<7> [281.505773] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<6> [281.513542] Console: switching to colour frame buffer device 128x48
<7> [281.536026] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [281.537240] i915 0000:00:02.0: [drm:drm_client_dev_restore] fbdev: ret=0
Created at 2026-02-19 22:43:44