few tests - dmesg-warn - dce110_link_encoder_construct: Failed to get encoder_cap_info from VBIOS with error code 4!
<6> [126.670943] [IGT] core_hotunplug: executing
<7> [126.674427] [drm:amdgpu_vm_init [amdgpu]] VM update mode is SDMA
<7> [126.675839] [IGT] core_hotunplug: closing selected device instance
<7> [126.676703] amdgpu 0000:01:00.0: [drm:drm_client_dev_restore] fbdev: ret=0
<6> [126.676871] [IGT] core_hotunplug: starting subtest unbind-rebind
<7> [128.744307] [IGT] core_hotunplug: reopening DRM device for health check
<7> [128.744374] [drm:amdgpu_vm_init [amdgpu]] VM update mode is SDMA
<7> [128.745312] [IGT] core_hotunplug: running device sysfs healthcheck
<7> [128.745491] [IGT] core_hotunplug: closing health checked device instance
<7> [128.746283] amdgpu 0000:01:00.0: [drm:drm_client_dev_restore] fbdev: ret=0
<7> [128.746341] [IGT] core_hotunplug: reopening render device for health check
<7> [128.746387] [drm:amdgpu_vm_init [amdgpu]] VM update mode is SDMA
<7> [128.747140] [IGT] core_hotunplug: running device sysfs healthcheck
<7> [128.747385] [IGT] core_hotunplug: closing health checked device instance
<7> [128.748124] amdgpu 0000:01:00.0: [drm:drm_client_dev_restore] fbdev: ret=0
<7> [128.875115] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [128.875382] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [128.875982] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [128.876581] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_2
<7> [128.877502] i915 0000:00:02.0: [drm:i915_audio_component_get_power [i915]] restored AUD_FREQ_CNTRL to 0x10
<7> [128.886173] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port B
<7> [128.886408] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port B
<7> [128.886605] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port B
<7> [128.886799] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port C
<7> [128.886992] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port C
<7> [128.887186] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port C
<7> [128.887397] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port D
<7> [128.887591] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port D
<7> [128.887784] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port D
<7> [128.889609] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_2
<7> [128.890100] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [128.890339] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [128.890549] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [128.891203] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [129.046174] [drm:amdgpu_dm_audio_component_get_eld [amdgpu]] Get ELD : idx=0 ret=0 en=0
<7> [129.046800] [drm:amdgpu_dm_audio_component_get_eld [amdgpu]] Get ELD : idx=1 ret=0 en=0
<7> [129.047214] [drm:amdgpu_dm_audio_component_get_eld [amdgpu]] Get ELD : idx=2 ret=0 en=0
<7> [129.047678] [drm:amdgpu_dm_audio_component_get_eld [amdgpu]] Get ELD : idx=3 ret=0 en=0
<7> [129.048304] [drm:amdgpu_dm_audio_component_get_eld [amdgpu]] Get ELD : idx=4 ret=0 en=0
<7> [129.048903] [drm:amdgpu_dm_audio_component_get_eld [amdgpu]] Get ELD : idx=5 ret=0 en=0
<7> [129.127958] [IGT] core_hotunplug: unbinding the driver from the device
<7> [129.129477] amdgpu 0000:01:00.0: [drm:drm_client_release] fbdev
<6> [129.165598] amdgpu 0000:01:00.0: amdgpu: amdgpu: finishing device.
<7> [129.177639] [drm:amdgpu_dm_irq_fini [amdgpu]] DM_IRQ: releasing resources.
<6> [129.551149] [drm] amdgpu: ttm finalized
<7> [129.557859] [IGT] core_hotunplug: rebinding the driver to the device
<6> [129.558992] [drm] initializing kernel modesetting (VEGAM 0x1002:0x694C 0x8086:0x2073 0xC0).
<6> [129.559050] [drm] register mmio base: 0xDB500000
<6> [129.559053] [drm] register mmio size: 262144
<6> [129.559551] [drm] add ip block number 0 <vi_common>
<6> [129.559554] [drm] add ip block number 1 <gmc_v8_0>
<6> [129.559570] [drm] add ip block number 2 <tonga_ih>
<6> [129.559572] [drm] add ip block number 3 <gfx_v8_0>
<6> [129.559574] [drm] add ip block number 4 <sdma_v3_0>
<6> [129.559576] [drm] add ip block number 5 <powerplay>
<6> [129.559597] [drm] add ip block number 6 <dm>
<6> [129.559600] [drm] add ip block number 7 <uvd_v6_0>
<6> [129.559602] [drm] add ip block number 8 <vce_v3_0>
<6> [129.559676] amdgpu 0000:01:00.0: amdgpu: Fetched VBIOS from VFCT
<6> [129.559695] amdgpu: ATOM BIOS: 408435.180301.04s
<6> [129.565689] [drm] UVD is enabled in VM mode
<6> [129.565693] [drm] UVD ENC is enabled in VM mode
<6> [129.565699] [drm] VCE enabled in VM mode
<6> [129.565775] amdgpu 0000:01:00.0: vgaarb: deactivate vga console
<6> [129.565816] amdgpu 0000:01:00.0: amdgpu: Trusted Memory Zone (TMZ) feature not supported
<6> [129.565829] amdgpu 0000:01:00.0: amdgpu: PCI CONFIG reset
<6> [129.565942] [drm] GPU posting now...
<6> [129.581732] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit
<6> [129.581744] amdgpu 0000:01:00.0: amdgpu: VRAM: 4096M 0x000000F400000000 - 0x000000F4FFFFFFFF (4096M used)
<6> [129.581748] amdgpu 0000:01:00.0: amdgpu: GART: 256M 0x000000FF00000000 - 0x000000FF0FFFFFFF
<6> [129.581768] [drm] Detected VRAM RAM=4096M, BAR=4096M
<6> [129.581771] [drm] RAM width 256bits HBM
<6> [129.582096] [drm] amdgpu: 4096M of VRAM memory ready
<6> [129.582101] [drm] amdgpu: 3920M of GTT memory ready.
<6> [129.582551] [drm] GART: num cpu pages 65536, num gpu pages 65536
<6> [129.583029] [drm] PCIE GART of 256M enabled (table at 0x000000F4FFF80000).
<6> [129.586443] [drm] Chained IB support enabled!
<6> [129.593649] amdgpu: hwmgr_sw_init smu backed is vegam_smu
<6> [129.596126] [drm] Found UVD firmware Version: 1.130 Family ID: 16
<6> [129.668556] [drm] Found VCE firmware Version: 53.21 Binary ID: 3
<7> [129.960931] [drm:amdgpu_dm_irq_init [amdgpu]] DM_IRQ
<7> [129.961391] [drm:dal_bios_parser_init_cmd_tbl [amdgpu]] Don't have enable_spread_spectrum_on_ppll for v4
<7> [129.961644] [drm:dal_bios_parser_init_cmd_tbl [amdgpu]] Don't have program_clock for v7
<7> [129.962216] amdgpu 0000:01:00.0: [drm:create_links [amdgpu]] BIOS object table - number of connectors: 6
<7> [129.962455] [drm:create_links [amdgpu]] DC: create_links: connectors_num: physical:6, virtual:0
<7> [129.962695] amdgpu 0000:01:00.0: [drm:create_links [amdgpu]] BIOS object table - printing link object info for connector number: 0, link_index: 0
<7> [129.962888] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - link_id: 19
<7> [129.963123] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio id: 3
<7> [129.963393] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio en: 1
<7> [129.963652] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] Connector[0] description: signal: Display Port
<7> [129.963873] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_line: 1
<7> [129.964084] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_engine_id: 1
<7> [129.964457] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - DP_IS_USB_C: 0
<7> [129.964671] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - IS_DP2_CAPABLE: 0
<7> [129.964897] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.acpi_device: 528
<7> [129.965109] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.device_type: 3
<7> [129.965382] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.enum_id: 1
<7> [129.965692] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - construct_phy finished successfully.
<7> [129.965999] amdgpu 0000:01:00.0: [drm:create_links [amdgpu]] BIOS object table - printing link object info for connector number: 1, link_index: 1
<7> [129.966321] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - link_id: 19
<7> [129.966673] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio id: 3
<7> [129.966885] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio en: 2
<7> [129.967098] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] Connector[1] description: signal: Display Port
<7> [129.967393] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_line: 2
<7> [129.967746] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_engine_id: 1
<7> [129.968045] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - DP_IS_USB_C: 0
<7> [129.968290] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - IS_DP2_CAPABLE: 0
<7> [129.968581] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.acpi_device: 544
<7> [129.968860] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.device_type: 3
<7> [129.969102] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.enum_id: 2
<7> [129.969479] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - construct_phy finished successfully.
<7> [129.969720] amdgpu 0000:01:00.0: [drm:create_links [amdgpu]] BIOS object table - printing link object info for connector number: 2, link_index: 2
<7> [129.969998] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - link_id: 19
<7> [129.970290] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio id: 3
<7> [129.970565] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio en: 3
<7> [129.970777] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] Connector[2] description: signal: Display Port
<7> [129.971067] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_line: 3
<7> [129.971432] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_engine_id: 1
<7> [129.971815] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - DP_IS_USB_C: 0
<7> [129.972030] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - IS_DP2_CAPABLE: 0
<7> [129.972271] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.acpi_device: 560
<7> [129.972594] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.device_type: 3
<7> [129.972883] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.enum_id: 3
<7> [129.973139] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - construct_phy finished successfully.
<7> [129.973443] amdgpu 0000:01:00.0: [drm:create_links [amdgpu]] BIOS object table - printing link object info for connector number: 3, link_index: 3
<7> [129.973730] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - link_id: 19
<7> [129.974045] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio id: 3
<7> [129.974306] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio en: 4
<7> [129.974578] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] Connector[3] description: signal: Display Port
<7> [129.974801] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_line: 4
<7> [129.975101] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_engine_id: 1
<7> [129.975539] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - DP_IS_USB_C: 0
<7> [129.975769] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - IS_DP2_CAPABLE: 0
<7> [129.975993] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.acpi_device: 576
<7> [129.976363] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.device_type: 3
<7> [129.976657] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.enum_id: 4
<7> [129.976907] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - construct_phy finished successfully.
<7> [129.977121] amdgpu 0000:01:00.0: [drm:create_links [amdgpu]] BIOS object table - printing link object info for connector number: 4, link_index: 4
<7> [129.977469] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - link_id: 12
<7> [129.977875] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio id: 3
<7> [129.978091] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio en: 0
<7> [129.978381] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] Connector[4] description: signal: HDMI: TYPE A
<7> [129.978679] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_line: 0
<7> [129.978902] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_engine_id: 1
<4> [129.979290] amdgpu 0000:01:00.0: [drm] dce110_link_encoder_construct: Failed to get encoder_cap_info from VBIOS with error code 4!
<7> [129.979294] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - DP_IS_USB_C: 0
<7> [129.979599] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - IS_DP2_CAPABLE: 0
<7> [129.979812] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.acpi_device: 592
<7> [129.980024] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.device_type: 3
<7> [129.980237] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.enum_id: 5
<7> [129.980573] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - construct_phy finished successfully.
<7> [129.980833] amdgpu 0000:01:00.0: [drm:create_links [amdgpu]] BIOS object table - printing link object info for connector number: 5, link_index: 5
<7> [129.981026] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - link_id: 12
<7> [129.981290] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio id: 3
<7> [129.981562] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - hpd_gpio en: 5
<7> [129.981774] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] Connector[5] description: signal: HDMI: TYPE A
<7> [129.981993] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_line: 5
<7> [129.982205] amdgpu 0000:01:00.0: [drm:link_create_ddc_service [amdgpu]] BIOS object table - i2c_engine_id: 1
<4> [129.982648] amdgpu 0000:01:00.0: [drm] dce110_link_encoder_construct: Failed to get encoder_cap_info from VBIOS with error code 4!
<7> [129.982653] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - DP_IS_USB_C: 0
<7> [129.982970] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - IS_DP2_CAPABLE: 0
<7> [129.983223] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.acpi_device: 608
<7> [129.983527] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.device_type: 3
<7> [129.983817] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - device_tag.dev_id.enum_id: 6
<7> [129.984124] amdgpu 0000:01:00.0: [drm:construct_phy [amdgpu]] BIOS object table - construct_phy finished successfully.
<7> [129.984513] amdgpu 0000:01:00.0: [drm:create_links [amdgpu]] BIOS object table - end
<7> [129.984883] amdgpu 0000:01:00.0: [drm:dc_create [amdgpu]] Display Core initialized
<6> [129.985090] [drm] Display Core v3.2.273 initialized on DCE 11.22
<7> [129.987201] [drm:amdgpu_dm_init [amdgpu]] amdgpu: freesync_module init done ffff8881318a5a90.
<7> [129.988733] [drm:amdgpu_dm_init [amdgpu]] Unsupported DCN IP version for outbox: 0x0
<7> [129.990149] amdgpu 0000:01:00.0: [drm:detect_link_and_local_sink [amdgpu]] link=0, dc_sink_in=0000000000000000 is now Disconnected prev_sink=0000000000000000 edid same=0
<7> [129.990483] amdgpu 0000:01:00.0: [drm:link_detect [amdgpu]] link_detect: link_index=0 is_local_sink_detect_success=1 pre_link_type=0 link_type=0
<7> [129.990718] [drm:amdgpu_dm_init [amdgpu]] DCHPD: connector_id=0: dc_sink didn't change.
<7> [129.991543] amdgpu 0000:01:00.0: [drm:detect_link_and_local_sink [amdgpu]] link=1, dc_sink_in=0000000000000000 is now Disconnected prev_sink=0000000000000000 edid same=0
<7> [129.991804] amdgpu 0000:01:00.0: [drm:link_detect [amdgpu]] link_detect: link_index=1 is_local_sink_detect_success=1 pre_link_type=0 link_type=0
<7> [129.992029] [drm:amdgpu_dm_init [amdgpu]] DCHPD: connector_id=1: dc_sink didn't change.
<7> [129.992892] amdgpu 0000:01:00.0: [drm:detect_link_and_local_sink [amdgpu]] link=2, dc_sink_in=0000000000000000 is now Disconnected prev_sink=0000000000000000 edid same=0
<7> [129.993126] amdgpu 0000:01:00.0: [drm:link_detect [amdgpu]] link_detect: link_index=2 is_local_sink_detect_success=1 pre_link_type=0 link_type=0
<7> [129.993419] [drm:amdgpu_dm_init [amdgpu]] DCHPD: connector_id=2: dc_sink didn't change.
<7> [129.994287] amdgpu 0000:01:00.0: [drm:detect_link_and_local_sink [amdgpu]] link=3, dc_sink_in=0000000000000000 is now Disconnected prev_sink=0000000000000000 edid same=0
<7> [129.994556] amdgpu 0000:01:00.0: [drm:link_detect [amdgpu]] link_detect: link_index=3 is_local_sink_detect_success=1 pre_link_type=0 link_type=0
<7> [129.994847] [drm:amdgpu_dm_init [amdgpu]] DCHPD: connector_id=3: dc_sink didn't change.
<7> [129.995744] amdgpu 0000:01:00.0: [drm:detect_link_and_local_sink [amdgpu]] link=4, dc_sink_in=0000000000000000 is now Disconnected prev_sink=0000000000000000 edid same=0
<7> [129.996071] amdgpu 0000:01:00.0: [drm:link_detect [amdgpu]] link_detect: link_index=4 is_local_sink_detect_success=1 pre_link_type=0 link_type=0
<7> [129.996405] [drm:amdgpu_dm_init [amdgpu]] DCHPD: connector_id=4: dc_sink didn't change.
<7> [129.997380] amdgpu 0000:01:00.0: [drm:detect_link_and_local_sink [amdgpu]] link=5, dc_sink_in=0000000000000000 is now Disconnected prev_sink=0000000000000000 edid same=0
<7> [129.997725] amdgpu 0000:01:00.0: [drm:link_detect [amdgpu]] link_detect: link_index=5 is_local_sink_detect_success=1 pre_link_type=0 link_type=0
<7> [129.998046] [drm:amdgpu_dm_init [amdgpu]] DCHPD: connector_id=5: dc_sink didn't change.