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i915 [drm] *ERROR* LSPCON init failed on port B

  • Fedora 36
  • Kernel 6.0.12-200.fc36.x86_64
  • Model x86_64
  • LENOVO ThinkPad P1 Gen 3
  • XOrg

Display Connector: HDMI

When connecting the external monitor LG (1920x1080) the connection is not recognized. The monitor screen shows a black screen "without signal", but in the Display settings of Gnome shows as "Unknown Display".

$ find /dev/dri
/dev/dri
/dev/dri/by-path
/dev/dri/by-path/pci-0000:00:02.0-card
/dev/dri/by-path/pci-0000:00:02.0-render
/dev/dri/card1
/dev/dri/renderD128
  • Journal logs when inserting the HDMI cable. (Tried the same with 3 other cables)
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID a8
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID 44
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID 44
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID 44
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode hasn't settled
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change timed out
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change failed
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change to PCON failed
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Failed to probe lspcon
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON init failed on port B
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful
Dec 12 11:28:06 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful
Dec 12 11:28:07 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID a8
Dec 12 11:28:07 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID 44
Dec 12 11:28:07 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID 44
Dec 12 11:28:07 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID 44
Dec 12 11:28:07 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID 44
Dec 12 11:28:08 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode hasn't settled
Dec 12 11:28:08 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change timed out
Dec 12 11:28:08 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change failed
Dec 12 11:28:08 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change to PCON failed
Dec 12 11:28:08 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Failed to probe lspcon
Dec 12 11:28:08 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON init failed on port B
Dec 12 11:28:08 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful
Dec 12 11:28:08 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful
Dec 12 11:28:09 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Unexpected DP dual mode adaptor ID a8
Dec 12 11:28:09 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode hasn't settled
Dec 12 11:28:10 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change timed out
Dec 12 11:28:10 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change failed
Dec 12 11:28:10 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON mode change to PCON failed
Dec 12 11:28:10 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Failed to probe lspcon
Dec 12 11:28:10 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* LSPCON init failed on port B
Dec 12 11:28:10 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful
Dec 12 11:28:10 fedora kernel: i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful
xrandr --verbose
Screen 0: minimum 320 x 200, current 2560 x 1080, maximum 16384 x 16384
eDP-1 connected primary 1920x1080+0+0 (0x48) normal (normal left inverted right x axis y axis) 344mm x 194mm
	Identifier: 0x42
	Timestamp:  153648
	Subpixel:   unknown
	Gamma:      1.0:1.0:1.0
	Brightness: 1.0
	Clones:    
	CRTC:       0
	CRTCs:      0 1 2
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter: 
	_MUTTER_PRESENTATION_OUTPUT: 0 
	EDID: 
		00ffffffffffff0009e56e0800000000
		011d0104a52213780358f5a658559d26
		0e505400000001010101010101010101
		010101010101963b803671383c403020
		360058c21000001aab2f803671383c40
		3020360058c21000001a000000fe0042
		4f452043510a202020202020000000fe
		004e5631353646484d2d4e36310a00b9
	scaling mode: Full aspect 
		supported: Full, Center, Full aspect
	Colorspace: Default 
		supported: Default, RGB_Wide_Gamut_Fixed_Point, RGB_Wide_Gamut_Floating_Point, opRGB, DCI-P3_RGB_D65, BT2020_RGB, BT601_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, BT2020_CYCC, BT2020_YCC
	max bpc: 12 
		range: (6, 12)
	Broadcast RGB: Automatic 
		supported: Automatic, Full, Limited 16:235
	panel orientation: Normal 
		supported: Normal, Upside Down, Left Side Up, Right Side Up
	link-status: Good 
		supported: Good, Bad
	CONNECTOR_ID: 95 
		supported: 95
	non-desktop: 0 
		range: (0, 1)
  1920x1080 (0x47) 152.540MHz +HSync -VSync +preferred
        h: width  1920 start 1968 end 2000 total 2230 skew    0 clock  68.40KHz
        v: height 1080 start 1083 end 1089 total 1140           clock  60.00Hz
  1920x1080 (0x48) 266.500MHz +HSync -VSync DoubleScan *current
        h: width  1920 start 1944 end 1960 total 2000 skew    0 clock 133.25KHz
        v: height 1080 start 1081 end 1084 total 1111           clock  59.97Hz
 [...]
DP-1 connected 640x480+1920+0 (0x80) normal (normal left inverted right x axis y axis) 0mm x 0mm
	Identifier: 0x43
	Timestamp:  153648
	Subpixel:   unknown
	Gamma:      1.0:1.0:1.0
	Brightness: 1.0
	Clones:    
	CRTC:       1
	CRTCs:      0 1 2
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter: 
	_MUTTER_PRESENTATION_OUTPUT: 0 
	HDCP Content Type: HDCP Type0 
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired 
		supported: Undesired, Desired, Enabled
	Colorspace: Default 
		supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGB_Theater
	content type: No Data 
		supported: No Data, Graphics, Photo, Cinema, Game
	max bpc: 12 
		range: (6, 12)
	Broadcast RGB: Automatic 
		supported: Automatic, Full, Limited 16:235
	audio: auto 
		supported: force-dvi, off, auto, on
	subconnector: HDMI 
		supported: Unknown, VGA, DVI-D, HDMI, DP, Wireless, Native
	link-status: Good 
		supported: Good, Bad
	CONNECTOR_ID: 103 
		supported: 103
	non-desktop: 0 
		range: (0, 1)
  640x480 (0x80) 25.175MHz -HSync -VSync *current +preferred
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz
  1024x768 (0x64) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
  800x600 (0x73) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  800x600 (0x74) 36.000MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock  35.16KHz
        v: height  600 start  601 end  603 total  625           clock  56.25Hz
  848x480 (0x99) 33.750MHz +HSync +VSync
        h: width   848 start  864 end  976 total 1088 skew    0 clock  31.02KHz
        v: height  480 start  486 end  494 total  517           clock  60.00Hz
DP-2 disconnected (normal left inverted right x axis y axis)
	Identifier: 0x44
	Timestamp:  153648
	Subpixel:   unknown
	Clones:    
	CRTCs:      0 1 2
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter: 
	HDCP Content Type: HDCP Type0 
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired 
		supported: Undesired, Desired, Enabled
	Colorspace: Default 
		supported: Default, RGB_Wide_Gamut_Fixed_Point, RGB_Wide_Gamut_Floating_Point, opRGB, DCI-P3_RGB_D65, BT2020_RGB, BT601_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, BT2020_CYCC, BT2020_YCC
	max bpc: 12 
		range: (6, 12)
	Broadcast RGB: Automatic 
		supported: Automatic, Full, Limited 16:235
	audio: auto 
		supported: force-dvi, off, auto, on
	subconnector: Unknown 
		supported: Unknown, VGA, DVI-D, HDMI, DP, Wireless, Native
	link-status: Good 
		supported: Good, Bad
	CONNECTOR_ID: 115 
		supported: 115
	non-desktop: 0 
		range: (0, 1)
DP-3 disconnected (normal left inverted right x axis y axis)
	Identifier: 0x45
	Timestamp:  153648
	Subpixel:   unknown
	Clones:    
	CRTCs:      0 1 2
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter: 
	HDCP Content Type: HDCP Type0 
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired 
		supported: Undesired, Desired, Enabled
	Colorspace: Default 
		supported: Default, RGB_Wide_Gamut_Fixed_Point, RGB_Wide_Gamut_Floating_Point, opRGB, DCI-P3_RGB_D65, BT2020_RGB, BT601_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, BT2020_CYCC, BT2020_YCC
	max bpc: 12 
		range: (6, 12)
	Broadcast RGB: Automatic 
		supported: Automatic, Full, Limited 16:235
	audio: auto 
		supported: force-dvi, off, auto, on
	subconnector: Unknown 
		supported: Unknown, VGA, DVI-D, HDMI, DP, Wireless, Native
	link-status: Good 
		supported: Good, Bad
	CONNECTOR_ID: 122 
		supported: 122
	non-desktop: 0 
		range: (0, 1)
Edited by Ehvs
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