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Make computer behave as a screen #48

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opened 2024-12-09 21:47:20 +01:00 by Benjamin_Loison · 21 comments
Benjamin_Loison commented 2024-12-09 21:47:20 +01:00
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Maybe just temporarily to figure out if another screen or the cable is to blame.

+6

Maybe just temporarily to figure out if another screen or the cable is to blame. +6
Benjamin_Loison commented 2025-05-28 14:16:22 +02:00
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The person: 
-----BEGIN PGP MESSAGE-----

hF4DTQa9Wom5MBgSAQdAmNN4y/Wu7w9aV+cpbMaL8SAAWyI+JenbJ73cWxIIsH4w
QzxA2RArmVm2sJbJhpP3TLonjHG7jEvEipMi5vytHWRQTtVyCV6edy77DTcmUCzO
0kUBWsPR47rWl3KKIJBr40KzVdt87zYofxQYCh2Qjcs7Pcolfr/ajFDhHAQ62zzx
AzZMtTO636wybY8/id16fz53CUWbpNk=
=yF/T
-----END PGP MESSAGE-----

also searched unsuccessfully.

<details> <summary>The person:</summary> ``` -----BEGIN PGP MESSAGE----- hF4DTQa9Wom5MBgSAQdAmNN4y/Wu7w9aV+cpbMaL8SAAWyI+JenbJ73cWxIIsH4w QzxA2RArmVm2sJbJhpP3TLonjHG7jEvEipMi5vytHWRQTtVyCV6edy77DTcmUCzO 0kUBWsPR47rWl3KKIJBr40KzVdt87zYofxQYCh2Qjcs7Pcolfr/ajFDhHAQ62zzx AzZMtTO636wybY8/id16fz53CUWbpNk= =yF/T -----END PGP MESSAGE----- ``` </details> also searched unsuccessfully.
Benjamin_Loison commented 2025-05-28 14:16:30 +02:00
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For reference: HDMI.

For reference: *HDMI*.
Benjamin_Loison commented 2025-05-28 14:16:56 +02:00
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If I remember correctly it may be a physical limitation specific to the HDMI controller manufacturer.

If I remember correctly it may be a physical limitation specific to the HDMI controller manufacturer.
Benjamin_Loison commented 2025-06-05 21:56:33 +02:00
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Related to #52.

Related to #52.
Benjamin_Loison commented 2025-06-05 21:56:50 +02:00
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Could use HDMI as a screen grabber to take clean screenshots when not running an OS maybe.
Elgato is a physical alternative.

Related to the calendar event of 10/08/25 at 8:00.

Could use HDMI as a screen grabber to take clean screenshots when not running an OS maybe. Elgato is a physical alternative. Related to the calendar event of 10/08/25 at 8:00.
Benjamin_Loison commented 2025-06-05 22:41:50 +02:00
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Related to Benjamin-Loison/scrcpy/issues/15.

Related to [Benjamin-Loison/scrcpy/issues/15](https://github.com/Benjamin-Loison/scrcpy/issues/15).
Benjamin_Loison commented 2025-08-10 14:23:30 +02:00
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Related to Benjamin_Loison/linux/issues/48.

Related to [Benjamin_Loison/linux/issues/48](https://gitea.lemnoslife.com/Benjamin_Loison/linux/issues/48).
Benjamin_Loison commented 2025-09-28 00:28:36 +02:00
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Would help Benjamin-Loison/obs-studio/issues/15.

Would help [Benjamin-Loison/obs-studio/issues/15](https://github.com/Benjamin-Loison/obs-studio/issues/15).
Benjamin_Loison commented 2025-10-16 21:40:00 +02:00
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The person: 
-----BEGIN PGP MESSAGE-----

hF4DTQa9Wom5MBgSAQdAZt6ovVSUl287bAmO4MHeTtM0y6fHgaOLmMO5uU9lTl4w
SZYJzsnmCxstY1uyHS6p8GzMPrQDRdcmtGAw4Cg6+GPJVfIm+h/Lp/1gPRfLdSY4
1E8BCQIQ693pby8SnVaPnEylof2LPjYBrU+/msTY7HfsND4Hgttgt+/HajlPGGKy
eQGsffoeWxFthP6jjasnT/kUlv0OxYW4Jn/5K3UyIacH
=RGJ1
-----END PGP MESSAGE-----

bought

https://www.amazon.fr/-/en/dp/B0BL3HVMWW

and it works as wanted in front of me, that is a webcam.

15.99 € + approximately 5 € of shipping is quite cheap, but for the usage I have is quite overkill.

<details> <summary>The person:</summary> ``` -----BEGIN PGP MESSAGE----- hF4DTQa9Wom5MBgSAQdAZt6ovVSUl287bAmO4MHeTtM0y6fHgaOLmMO5uU9lTl4w SZYJzsnmCxstY1uyHS6p8GzMPrQDRdcmtGAw4Cg6+GPJVfIm+h/Lp/1gPRfLdSY4 1E8BCQIQ693pby8SnVaPnEylof2LPjYBrU+/msTY7HfsND4Hgttgt+/HajlPGGKy eQGsffoeWxFthP6jjasnT/kUlv0OxYW4Jn/5K3UyIacH =RGJ1 -----END PGP MESSAGE----- ``` </details> bought https://www.amazon.fr/-/en/dp/B0BL3HVMWW and it works as wanted in front of me, that is a webcam. 15.99 € + approximately 5 € of shipping is quite cheap, but for the usage I have is quite overkill.
Benjamin_Loison commented 2025-10-16 21:40:43 +02:00
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Would help Benjamin_Loison/Console/issues/1.

Would help [Benjamin_Loison/Console/issues/1](https://codeberg.org/Benjamin_Loison/Console/issues/1).
Benjamin_Loison commented 2026-03-20 01:32:32 +01:00
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DuckDuckGo search On Linux how to use computer HDMI as video grabber?.

Answers to the Ask Ubuntu answer 290971

Google search On Linux how to use computer HDMI as video grabber?.

https://chat.mistral.ai/chat/89a25f93-0eb7-4120-ace8-7b2ba3ae5bd8

DuckDuckGo and Google search Linux check if computer supports HDMI in.

Wikipedia: Consumer Electronics Control (1304461708)

The Super User answer 541155

xrandr --prop
Output: 
Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 16384 x 16384
eDP-1 connected primary 1920x1200+0+0 (normal left inverted right x axis y axis) 286mm x 179mm
	EDID: 
		00ffffffffffff0030e4920700000000
		00210104a51d1278032a85975d598b26
		1b505400000001010101010101010101
		010101010101353c80a070b023403020
		36001eb31000001a232880a070b02340
		302036001eb31000001a000000000000
		00000000000000000000000000000002
		000c33ff0f3c960e0f2396000000016c
		7020790200250109115a02115a02283c
		808100106f1a00000301283c00005351
		53513c00000000000000000000000000
		00000000000000000000000000000000
		00000000000000000000000000000000
		00000000000000000000000000000000
		00000000000000000000000000000000
		00000000000000000000000000007290
	vrr_capable: 0 
		range: (0, 1)
	Colorspace: Default 
		supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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
	scaling mode: Full aspect 
		supported: Full, Center, Full aspect
	link-status: Good 
		supported: Good, Bad
	CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 
		0 1 
	CONNECTOR_ID: 262 
		supported: 262
	non-desktop: 0 
		range: (0, 1)
   1920x1200     60.00*+  40.00  
   1920x1080     60.00  
   1600x1200     60.00  
   1680x1050     60.00  
   1400x1050     60.00  
   1600x900      60.00  
   1280x1024     60.00  
   1400x900      60.00  
   1280x960      60.00  
   1440x810      60.00  
   1368x768      60.00  
   1280x800      60.00  
   1280x720      60.00  
   1024x768      60.00  
   960x720       60.00  
   928x696       60.00  
   896x672       60.00  
   1024x576      60.00  
   960x600       60.00  
   960x540       60.00  
   800x600       60.00  
   840x525       60.00  
   864x486       60.00  
   700x525       60.00  
   800x450       60.00  
   640x512       60.00  
   700x450       60.00  
   640x480       60.00  
   720x405       60.00  
   684x384       60.00  
   640x360       60.00  
   512x384       60.00  
   512x288       60.00  
   480x270       60.00  
   400x300       60.00  
   432x243       60.00  
   320x240       60.00  
   360x202       60.00  
   320x180       60.00  
HDMI-1 disconnected (normal left inverted right x axis y axis)
	HDCP Content Type: HDCP Type0 
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired 
		supported: Undesired, Desired, Enabled
	max bpc: 12 
		range: (8, 12)
	content type: No Data 
		supported: No Data, Graphics, Photo, Cinema, Game
	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
	aspect ratio: Automatic 
		supported: Automatic, 4:3, 16:9
	Broadcast RGB: Automatic 
		supported: Automatic, Full, Limited 16:235
	audio: auto 
		supported: force-dvi, off, auto, on
	link-status: Good 
		supported: Good, Bad
	CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 
		0 1 
	CONNECTOR_ID: 271 
		supported: 271
	non-desktop: 0 
		range: (0, 1)
DP-1 disconnected (normal left inverted right x axis y axis)
	HDCP Content Type: HDCP Type0 
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired 
		supported: Undesired, Desired, Enabled
	vrr_capable: 0 
		range: (0, 1)
	Colorspace: Default 
		supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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
	CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 
		0 1 
	CONNECTOR_ID: 280 
		supported: 280
	non-desktop: 0 
		range: (0, 1)
DP-2 disconnected (normal left inverted right x axis y axis)
	HDCP Content Type: HDCP Type0 
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired 
		supported: Undesired, Desired, Enabled
	vrr_capable: 0 
		range: (0, 1)
	Colorspace: Default 
		supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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
	CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 
		0 1 
	CONNECTOR_ID: 290 
		supported: 290
	non-desktop: 0 
		range: (0, 1)
DP-3 disconnected (normal left inverted right x axis y axis)
	HDCP Content Type: HDCP Type0 
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired 
		supported: Undesired, Desired, Enabled
	vrr_capable: 0 
		range: (0, 1)
	Colorspace: Default 
		supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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
	CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 
		0 1 
	CONNECTOR_ID: 299 
		supported: 299
	non-desktop: 0 
		range: (0, 1)
DP-4 disconnected (normal left inverted right x axis y axis)
	HDCP Content Type: HDCP Type0 
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired 
		supported: Undesired, Desired, Enabled
	vrr_capable: 0 
		range: (0, 1)
	Colorspace: Default 
		supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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
	CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 
		0 1 
	CONNECTOR_ID: 308 
		supported: 308
	non-desktop: 0 
		range: (0, 1)

Does not change if plug HDMI.

sudo apt install -y cec-utils
Output: 
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances... Fait
Lecture des informations d'état... Fait      
Les paquets supplémentaires suivants seront installés : 
  libcec6 libp8-platform2
Les NOUVEAUX paquets suivants seront installés :
  cec-utils libcec6 libp8-platform2
0 mis à jour, 3 nouvellement installés, 0 à enlever et 1 non mis à jour.
Il est nécessaire de prendre 237 ko dans les archives.
Après cette opération, 777 ko d'espace disque supplémentaires seront utilisés.
Réception de :1 http://archive.ubuntu.com/ubuntu noble/universe amd64 libp8-platform2 amd64 2.1.0.1+dfsg1-4 [23,6 kB]
Réception de :2 http://archive.ubuntu.com/ubuntu noble/universe amd64 libcec6 amd64 6.0.2-1ubuntu6 [185 kB]
Réception de :3 http://archive.ubuntu.com/ubuntu noble/universe amd64 cec-utils amd64 6.0.2-1ubuntu6 [28,6 kB]
237 ko réceptionnés en 0s (757 ko/s) 
Sélection du paquet libp8-platform2:amd64 précédemment désélectionné.
(Lecture de la base de données... 197222 fichiers et répertoires déjà installés.)
Préparation du dépaquetage de .../libp8-platform2_2.1.0.1+dfsg1-4_amd64.deb ...
Dépaquetage de libp8-platform2:amd64 (2.1.0.1+dfsg1-4) ...
Sélection du paquet libcec6:amd64 précédemment désélectionné.
Préparation du dépaquetage de .../libcec6_6.0.2-1ubuntu6_amd64.deb ...
Dépaquetage de libcec6:amd64 (6.0.2-1ubuntu6) ...
Sélection du paquet cec-utils précédemment désélectionné.
Préparation du dépaquetage de .../cec-utils_6.0.2-1ubuntu6_amd64.deb ...
Dépaquetage de cec-utils (6.0.2-1ubuntu6) ...
Paramétrage de libp8-platform2:amd64 (2.1.0.1+dfsg1-4) ...
Paramétrage de libcec6:amd64 (6.0.2-1ubuntu6) ...
Paramétrage de cec-utils (6.0.2-1ubuntu6) ...
Traitement des actions différées (« triggers ») pour man-db (2.12.0-4build2) ...
Traitement des actions différées (« triggers ») pour libc-bin (2.39-0ubuntu8.7) ...

cec-client -l
Output: 
libCEC version: 6.0.2, compiled on Linux-5.4.0-173-generic ... , features: P8_USB, DRM, P8_detect, randr, Exynos, AOCEC
Found devices: NONE

https://www.reddit.com/r/linuxmint/comments/17y5x8h/is_my_linux_mint_laptop_hdmi_port_for_output_only/

The Super User question 1861383 mentions a physical toggle.

lspci | grep -i vga

00:02.0 VGA compatible controller: Intel Corporation Meteor Lake-P [Intel Graphics] (rev 08)

lshw -c display
Output: 
ATTENTION : ce programme devrait être lancé en tant que super-utilisateur.
  *-display                 
       description: VGA compatible controller
       produit: Meteor Lake-P [Intel Graphics]
       fabricant: Intel Corporation
       identifiant matériel: 2
       information bus: pci@0000:00:02.0
       nom logique: /dev/fb0
       version: 08
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: vga_controller bus_master cap_list rom fb
       configuration : depth=32 driver=i915 latency=0 resolution=1920,1200
       ressources : mémoireE/S:500-4ff mémoireE/S:400-3ff irq:225 mémoire:5018000000-5018ffffff mémoire:4000000000-400fffffff mémoire:c0000-dffff mémoire:501a000000-5020ffffff
ATTENTION : les informations sont potentiellement incomplètes ou erronées, vous devriez lancer ce programme en tant que super-utilisateur.

sudo lshw -c display
Output: 
  *-display                 
       description: VGA compatible controller
       produit: Meteor Lake-P [Intel Graphics]
       fabricant: Intel Corporation
       identifiant matériel: 2
       information bus: pci@0000:00:02.0
       nom logique: /dev/fb0
       version: 08
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pciexpress msi pm vga_controller bus_master cap_list rom fb
       configuration : depth=32 driver=i915 latency=0 mode=1920x1200 resolution=1920,1200 visual=truecolor xres=1920 yres=1200
       ressources : mémoireE/S:500-4ff mémoireE/S:400-3ff irq:225 mémoire:5018000000-5018ffffff mémoire:4000000000-400fffffff mémoire:c0000-dffff mémoire:501a000000-5020ffffff

does not seem to help.

DuckDuckGo search *On Linux how to use computer HDMI as video grabber?*. Answers to [the Ask Ubuntu answer 290971](https://askubuntu.com/q/290971) Google search *On Linux how to use computer HDMI as video grabber?*. https://chat.mistral.ai/chat/89a25f93-0eb7-4120-ace8-7b2ba3ae5bd8 DuckDuckGo and Google search *Linux check if computer supports HDMI in*. [Wikipedia: Consumer Electronics Control (1304461708)](https://en.wikipedia.org/w/index.php?title=Consumer_Electronics_Control&oldid=1304461708) [The Super User answer 541155](https://superuser.com/a/541155) ```bash xrandr --prop ``` <details> <summary>Output:</summary> ``` Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 16384 x 16384 eDP-1 connected primary 1920x1200+0+0 (normal left inverted right x axis y axis) 286mm x 179mm EDID: 00ffffffffffff0030e4920700000000 00210104a51d1278032a85975d598b26 1b505400000001010101010101010101 010101010101353c80a070b023403020 36001eb31000001a232880a070b02340 302036001eb31000001a000000000000 00000000000000000000000000000002 000c33ff0f3c960e0f2396000000016c 7020790200250109115a02115a02283c 808100106f1a00000301283c00005351 53513c00000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000007290 vrr_capable: 0 range: (0, 1) Colorspace: Default supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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 scaling mode: Full aspect supported: Full, Center, Full aspect link-status: Good supported: Good, Bad CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 CONNECTOR_ID: 262 supported: 262 non-desktop: 0 range: (0, 1) 1920x1200 60.00*+ 40.00 1920x1080 60.00 1600x1200 60.00 1680x1050 60.00 1400x1050 60.00 1600x900 60.00 1280x1024 60.00 1400x900 60.00 1280x960 60.00 1440x810 60.00 1368x768 60.00 1280x800 60.00 1280x720 60.00 1024x768 60.00 960x720 60.00 928x696 60.00 896x672 60.00 1024x576 60.00 960x600 60.00 960x540 60.00 800x600 60.00 840x525 60.00 864x486 60.00 700x525 60.00 800x450 60.00 640x512 60.00 700x450 60.00 640x480 60.00 720x405 60.00 684x384 60.00 640x360 60.00 512x384 60.00 512x288 60.00 480x270 60.00 400x300 60.00 432x243 60.00 320x240 60.00 360x202 60.00 320x180 60.00 HDMI-1 disconnected (normal left inverted right x axis y axis) HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled max bpc: 12 range: (8, 12) content type: No Data supported: No Data, Graphics, Photo, Cinema, Game 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 aspect ratio: Automatic supported: Automatic, 4:3, 16:9 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on link-status: Good supported: Good, Bad CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 CONNECTOR_ID: 271 supported: 271 non-desktop: 0 range: (0, 1) DP-1 disconnected (normal left inverted right x axis y axis) HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled vrr_capable: 0 range: (0, 1) Colorspace: Default supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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 CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 CONNECTOR_ID: 280 supported: 280 non-desktop: 0 range: (0, 1) DP-2 disconnected (normal left inverted right x axis y axis) HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled vrr_capable: 0 range: (0, 1) Colorspace: Default supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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 CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 CONNECTOR_ID: 290 supported: 290 non-desktop: 0 range: (0, 1) DP-3 disconnected (normal left inverted right x axis y axis) HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled vrr_capable: 0 range: (0, 1) Colorspace: Default supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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 CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 CONNECTOR_ID: 299 supported: 299 non-desktop: 0 range: (0, 1) DP-4 disconnected (normal left inverted right x axis y axis) HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled vrr_capable: 0 range: (0, 1) Colorspace: Default supported: Default, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, RGB_WIDE_FIXED, RGB_WIDE_FLOAT, BT601_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 CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 CONNECTOR_ID: 308 supported: 308 non-desktop: 0 range: (0, 1) ``` </details> Does not change if plug HDMI. ```bash sudo apt install -y cec-utils ``` <details> <summary>Output:</summary> ``` Lecture des listes de paquets... Fait Construction de l'arbre des dépendances... Fait Lecture des informations d'état... Fait Les paquets supplémentaires suivants seront installés : libcec6 libp8-platform2 Les NOUVEAUX paquets suivants seront installés : cec-utils libcec6 libp8-platform2 0 mis à jour, 3 nouvellement installés, 0 à enlever et 1 non mis à jour. Il est nécessaire de prendre 237 ko dans les archives. Après cette opération, 777 ko d'espace disque supplémentaires seront utilisés. Réception de :1 http://archive.ubuntu.com/ubuntu noble/universe amd64 libp8-platform2 amd64 2.1.0.1+dfsg1-4 [23,6 kB] Réception de :2 http://archive.ubuntu.com/ubuntu noble/universe amd64 libcec6 amd64 6.0.2-1ubuntu6 [185 kB] Réception de :3 http://archive.ubuntu.com/ubuntu noble/universe amd64 cec-utils amd64 6.0.2-1ubuntu6 [28,6 kB] 237 ko réceptionnés en 0s (757 ko/s) Sélection du paquet libp8-platform2:amd64 précédemment désélectionné. (Lecture de la base de données... 197222 fichiers et répertoires déjà installés.) Préparation du dépaquetage de .../libp8-platform2_2.1.0.1+dfsg1-4_amd64.deb ... Dépaquetage de libp8-platform2:amd64 (2.1.0.1+dfsg1-4) ... Sélection du paquet libcec6:amd64 précédemment désélectionné. Préparation du dépaquetage de .../libcec6_6.0.2-1ubuntu6_amd64.deb ... Dépaquetage de libcec6:amd64 (6.0.2-1ubuntu6) ... Sélection du paquet cec-utils précédemment désélectionné. Préparation du dépaquetage de .../cec-utils_6.0.2-1ubuntu6_amd64.deb ... Dépaquetage de cec-utils (6.0.2-1ubuntu6) ... Paramétrage de libp8-platform2:amd64 (2.1.0.1+dfsg1-4) ... Paramétrage de libcec6:amd64 (6.0.2-1ubuntu6) ... Paramétrage de cec-utils (6.0.2-1ubuntu6) ... Traitement des actions différées (« triggers ») pour man-db (2.12.0-4build2) ... Traitement des actions différées (« triggers ») pour libc-bin (2.39-0ubuntu8.7) ... ``` </details> ```bash cec-client -l ``` <details> <summary>Output:</summary> ``` libCEC version: 6.0.2, compiled on Linux-5.4.0-173-generic ... , features: P8_USB, DRM, P8_detect, randr, Exynos, AOCEC Found devices: NONE ``` </details> https://www.reddit.com/r/linuxmint/comments/17y5x8h/is_my_linux_mint_laptop_hdmi_port_for_output_only/ [The Super User question 1861383](https://superuser.com/q/1861383) mentions a physical toggle. ```bash lspci | grep -i vga ``` ``` 00:02.0 VGA compatible controller: Intel Corporation Meteor Lake-P [Intel Graphics] (rev 08) ``` ```bash lshw -c display ``` <details> <summary>Output:</summary> ``` ATTENTION : ce programme devrait être lancé en tant que super-utilisateur. *-display description: VGA compatible controller produit: Meteor Lake-P [Intel Graphics] fabricant: Intel Corporation identifiant matériel: 2 information bus: pci@0000:00:02.0 nom logique: /dev/fb0 version: 08 bits: 64 bits horloge: 33MHz fonctionnalités: vga_controller bus_master cap_list rom fb configuration : depth=32 driver=i915 latency=0 resolution=1920,1200 ressources : mémoireE/S:500-4ff mémoireE/S:400-3ff irq:225 mémoire:5018000000-5018ffffff mémoire:4000000000-400fffffff mémoire:c0000-dffff mémoire:501a000000-5020ffffff ATTENTION : les informations sont potentiellement incomplètes ou erronées, vous devriez lancer ce programme en tant que super-utilisateur. ``` </details> ```bash sudo lshw -c display ``` <details> <summary>Output:</summary> ``` *-display description: VGA compatible controller produit: Meteor Lake-P [Intel Graphics] fabricant: Intel Corporation identifiant matériel: 2 information bus: pci@0000:00:02.0 nom logique: /dev/fb0 version: 08 bits: 64 bits horloge: 33MHz fonctionnalités: pciexpress msi pm vga_controller bus_master cap_list rom fb configuration : depth=32 driver=i915 latency=0 mode=1920x1200 resolution=1920,1200 visual=truecolor xres=1920 yres=1200 ressources : mémoireE/S:500-4ff mémoireE/S:400-3ff irq:225 mémoire:5018000000-5018ffffff mémoire:4000000000-400fffffff mémoire:c0000-dffff mémoire:501a000000-5020ffffff ``` </details> does not seem to help.
Benjamin_Loison commented 2026-03-20 01:33:40 +01:00
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DuckDuckGo and Google search Has Raspberry Pi HDMI in? and Has Framework HDMI in?.

I completely read https://community.frame.work/t/what-about-an-hdmi-in/3609:

DuckDuckGo and Google search *Has Raspberry Pi HDMI in?* and *Has Framework HDMI in?*. I completely read https://community.frame.work/t/what-about-an-hdmi-in/3609:
Benjamin_Loison commented 2026-03-20 01:39:55 +01:00
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Should investigate:

https://pikvm.org

https://nexdock.com
https://www.kickstarter.com/projects/johnsheng/phonebook-turn-any-smartphone-into-a-laptop-computer

Should investigate: https://pikvm.org https://nexdock.com https://www.kickstarter.com/projects/johnsheng/phonebook-turn-any-smartphone-into-a-laptop-computer
Benjamin_Loison commented 2026-03-20 01:40:30 +01:00
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Should watch YouTube video: 6ar72m4PLW0

Should watch [YouTube video: `6ar72m4PLW0`](https://www.youtube.com/watch?v=6ar72m4PLW0)
Benjamin_Loison commented 2026-03-20 01:45:03 +01:00
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YuzukiHD/YuzukiLOHCC-PRO has 1.2k stars and last commit was 4 years ago.

I have read YuzukiHD/YuzukiLOHCC-PRO/blob/050caa6a987e58fae7847b20f4d42cc14f439b0a/README.md.

[YuzukiHD/YuzukiLOHCC-PRO](https://github.com/YuzukiHD/YuzukiLOHCC-PRO) has 1.2k stars and last commit was 4 years ago. I have read [YuzukiHD/YuzukiLOHCC-PRO/blob/050caa6a987e58fae7847b20f4d42cc14f439b0a/README.md](https://github.com/YuzukiHD/YuzukiLOHCC-PRO/blob/050caa6a987e58fae7847b20f4d42cc14f439b0a/README.md).
Benjamin_Loison commented 2026-03-20 01:45:50 +01:00
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https://community.frame.work/t/what-about-an-hdmi-in/3609/17

Framework official concern about latency.

https://community.frame.work/t/what-about-an-hdmi-in/3609/17 Framework official concern about latency.
Benjamin_Loison commented 2026-03-20 01:46:58 +01:00
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Should read https://hackaday.com/2022/10/14/an-open-source-hdmi-capture-card/.

Should read https://hackaday.com/2022/10/14/an-open-source-hdmi-capture-card/.
Benjamin_Loison commented 2026-03-20 01:48:40 +01:00
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YuzukiHD/YuzukiHCC has 59 stars and last commit was 4 years ago.

I have read YuzukiHD/YuzukiHCC/blob/fec692f822917f24fd14c6423c1129aec82efacb/README.md.

[YuzukiHD/YuzukiHCC](https://github.com/YuzukiHD/YuzukiHCC) has 59 stars and last commit was 4 years ago. I have read [YuzukiHD/YuzukiHCC/blob/fec692f822917f24fd14c6423c1129aec82efacb/README.md](https://github.com/YuzukiHD/YuzukiHCC/blob/fec692f822917f24fd14c6423c1129aec82efacb/README.md).
Benjamin_Loison commented 2026-03-20 01:52:38 +01:00
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https://www.microcenter.com/product/645805/inland-hdmi-to-usb-a-c-video-capture-dongle

does not seem different from usual dongles.

Same for:

https://www.cnx-software.com/2023/05/31/eever-ej523d-chip-enables-4kp60-video-capture-or-streaming-over-usb-3-2/

ultrasemier/ms213x_community has 42 stars and last commit was 4 years ago.

I quickly went through:

ultrasemier/ms213x_community/blob/ddcc8c735e94a43a42a519674c437a7b5dcefa8d/readme.md

https://www.microcenter.com/product/645805/inland-hdmi-to-usb-a-c-video-capture-dongle does not seem different from usual dongles. Same for: https://www.cnx-software.com/2023/05/31/eever-ej523d-chip-enables-4kp60-video-capture-or-streaming-over-usb-3-2/ [ultrasemier/ms213x_community](https://github.com/ultrasemier/ms213x_community) has 42 stars and last commit was 4 years ago. I quickly went through: [ultrasemier/ms213x_community/blob/ddcc8c735e94a43a42a519674c437a7b5dcefa8d/readme.md](https://github.com/ultrasemier/ms213x_community/blob/ddcc8c735e94a43a42a519674c437a7b5dcefa8d/readme.md)
Benjamin_Loison commented 2026-03-20 01:53:31 +01:00
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Should read https://community.frame.work/t/responded-fw-as-my-external-monitor-keyboard/15802.

Should read https://community.frame.work/t/responded-fw-as-my-external-monitor-keyboard/15802.
Benjamin_Loison commented 2026-03-20 14:12:03 +01:00
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The person: 
-----BEGIN PGP MESSAGE-----

hF4DTQa9Wom5MBgSAQdADExcshVVECSnZvq5j1OlAO1lx1u/YL6X8bGgdnvTZA4w
pIZbkK4UZGtiw0trE0hTcaZSHJiWDa+jfWgPZnuVTxvZnT9Rb3gXKc5xd8+Sz5vs
1EwBCQIQbq9q/wdEx5zmpxLmCuP3NTbcoU/XphqWvb/65JkLkNzfyluICKLP4P3w
veZxBmnWNpVxyciuGDE0zGf1qe9BE0c49Rlz6XHY
=yf5M
-----END PGP MESSAGE-----

used to achieve HDMI in about 10 years ago according to him, but he does not seem to remember how.

<details> <summary>The person:</summary> ``` -----BEGIN PGP MESSAGE----- hF4DTQa9Wom5MBgSAQdADExcshVVECSnZvq5j1OlAO1lx1u/YL6X8bGgdnvTZA4w pIZbkK4UZGtiw0trE0hTcaZSHJiWDa+jfWgPZnuVTxvZnT9Rb3gXKc5xd8+Sz5vs 1EwBCQIQbq9q/wdEx5zmpxLmCuP3NTbcoU/XphqWvb/65JkLkNzfyluICKLP4P3w veZxBmnWNpVxyciuGDE0zGf1qe9BE0c49Rlz6XHY =yf5M -----END PGP MESSAGE----- ``` </details> used to achieve HDMI in about 10 years ago according to him, but he does not seem to remember how.
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