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USB-C Video on Linux 20
Post by shpsyte » Sun Aug 09, 2020 4:30 pm
I have a Dell Inspirion with a USB-C port
Does the Linux mint 20 support a second monitor on this port?
I am using a usb-c to hdmi to connect the second monitor
xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384
eDP-1 connected 1920×1080+0+0
HDMI-1 connected primary 1920×1080+0+0 (normal left inverted right x axis y axis) 521mm x 293mm
HDMI-2 disconnected (normal left inverted right x axis y axis)
inxi -Fxz
System: Kernel: 5.4.0-42-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 4.6.6
Distro: Linux Mint 20 Ulyana base: Ubuntu 20.04 focal
Machine: Type: Laptop System: Dell product: Inspiron 5570 v: N/A serial:
Mobo: Dell model: 0X34T0 v: A01 serial: UEFI: Dell v: 1.1.8 date: 08/15/2018
Battery: ID-1: BAT0 charge: 33.5 Wh condition: 36.5/42.0 Wh (87%) model: LGC-LGC3.553 DELL 8YPRW8A status: Charging
CPU: Topology: Quad Core model: Intel Core i7-8550U bits: 64 type: MT MCP arch: Kaby Lake rev: A L2 cache: 8192 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 31999
Speed: 800 MHz min/max: 400/4000 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800 5: 800 6: 800 7: 800 8: 800
Graphics: Device-1: Intel UHD Graphics 620 vendor: Dell driver: i915 v: kernel bus ID: 00:02.0
Display: x11 server: X.Org 1.20.8 driver: amdgpu,ati,modesetting unloaded: fbdev,vesa
resolution: 1920×1080~60Hz, 1920×1080~60Hz
OpenGL: renderer: Mesa Intel UHD Graphics 620 (KBL GT2) v: 4.6 Mesa 20.0.8 direct render: Yes
Audio: Device-1: Intel Sunrise Point-LP HD Audio vendor: Dell driver: snd_hda_intel v: kernel bus ID: 00:1f.3
Sound Server: ALSA v: k5.4.0-42-generic
Network: Device-1: Realtek RTL810xE PCI Express Fast Ethernet vendor: Dell driver: r8169 v: kernel port: d000
bus ID: 02:00.0
IF: enp2s0 state: down mac:
Device-2: Intel Wireless 3165 driver: iwlwifi v: kernel port: d000 bus ID: 03:00.0
IF: wlp3s0 state: up mac:
Drives: Local Storage: total: 1.14 TiB used: 184.34 GiB (15.8%)
ID-1: /dev/nvme0n1 vendor: Samsung model: SSD 970 EVO Plus 1TB size: 931.51 GiB
ID-2: /dev/sda vendor: Samsung model: SSD 750 EVO 250GB size: 232.89 GiB
Partition: ID-1: / size: 915.89 GiB used: 184.31 GiB (20.1%) fs: ext4 dev: /dev/nvme0n1p1
Sensors: System Temperatures: cpu: 51.0 C mobo: 45.0 C sodimm: 42.0 C gpu: amdgpu temp: 25 C
Fan Speeds (RPM): cpu: 0
Info: Processes: 297 Uptime: 54m Memory: 31.26 GiB used: 2.37 GiB (7.6%) Init: systemd runlevel: 5 Compilers: gcc: 9.3.0
Shell: zsh v: 5.8 inxi: 3.0.38
Last edited by LockBot on Wed Dec 28, 2022 7:16 am, edited 1 time in total.
Reason: Topic automatically closed 6 months after creation. New replies are no longer allowed.
Re: USB-C Video on Linux 20
Post by jwstarr » Sun Oct 18, 2020 10:06 pm
I am working on the same issue. although I have a ACER ASPIRE 5 new install MINT 20 — I had to upgrade my Kernel to 5.8 something to get hdmi working.. now I want to add second monitor through USB C
System: Kernel: 5.8.0-23-generic x86_64 bits: 64 compiler: N/A Desktop: Xfce 4.14.2 tk: Gtk 3.24.13 info: xfce4-panel wm: xfwm4 dm: LightDM 1.30.0 Distro: Linux Mint 20 Ulyana base: Ubuntu 20.04 focal Machine: Type: Laptop System: Acer product: Aspire A515-44 v: V1.06 serial: Mobo: RO model: Calla_RN v: V1.06 serial: UEFI: INSYDE v: 1.06 date: 05/13/2020 Battery: ID-1: BAT1 charge: 50.0 Wh condition: 50.0/53.0 Wh (94%) volts: 17.4/15.4 model: PANASONIC AP19B5L type: Li-ion serial: status: Full CPU: Topology: 6-Core model: AMD Ryzen 5 4500U with Radeon Graphics bits: 64 type: MCP arch: Zen rev: 1 L2 cache: 3072 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 28447 Speed: 1442 MHz min/max: 1400/2375 MHz boost: enabled Core speeds (MHz): 1: 1397 2: 1397 3: 1397 4: 1397 5: 1397 6: 1397 Graphics: Device-1: AMD Renoir vendor: Acer Incorporated ALI driver: amdgpu v: kernel bus ID: 05:00.0 chip ID: 1002:1636 Display: x11 server: X.Org 1.20.8 driver: amdgpu,ati unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz, 1920x1080~60Hz OpenGL: renderer: AMD RENOIR (DRM 3.38.0 5.8.0-23-generic LLVM 9.0.1) v: 4.6 Mesa 20.0.4 direct render: Yes Audio: Device-1: AMD vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel bus ID: 05:00.1 chip ID: 1002:1637 Device-2: AMD Raven/Raven2/FireFlight/Renoir Audio Processor vendor: Acer Incorporated ALI driver: N/A bus ID: 05:00.5 chip ID: 1022:15e2 Device-3: AMD Family 17h HD Audio vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel bus ID: 05:00.6 chip ID: 1022:15e3 Sound Server: ALSA v: k5.8.0-23-generic Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Acer Incorporated ALI driver: r8169 v: kernel port: 2000 bus ID: 03:00.0 chip ID: 10ec:8168 IF: enp3s0 state: up speed: 100 Mbps duplex: full mac: Device-2: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter vendor: Lite-On driver: ath10k_pci v: kernel port: 2000 bus ID: 04:00.0 chip ID: 168c:003e IF: wlp4s0 state: down mac: Device-3: ASIX AX88772 type: USB driver: asix bus ID: 3-3:3 chip ID: 0b95:7720 serial: IF: enx50c4ddf01038 state: down mac: Drives: Local Storage: total: 238.47 GiB used: 10.62 GiB (4.5%) ID-1: /dev/nvme0n1 vendor: Western Digital model: PC SN520 SDAPNUW-256G-1014 size: 238.47 GiB speed: 15.8 Gb/s lanes: 2 serial: rev: 20110000 scheme: GPT Partition: ID-1: / size: 233.24 GiB used: 10.61 GiB (4.5%) fs: ext4 dev: /dev/nvme0n1p2 Sensors: System Temperatures: cpu: 46.1 C mobo: N/A gpu: amdgpu temp: 34 C Fan Speeds (RPM): N/A Repos: No active apt repos in: /etc/apt/sources.list Active apt repos in: /etc/apt/sources.list.d/canonical-kernel-team-ppa-focal.list 1: deb http://ppa.launchpad.net/canonical-kernel-team/ppa/ubuntu focal main 2: deb-src http://ppa.launchpad.net/canonical-kernel-team/ppa/ubuntu focal main Active apt repos in: /etc/apt/sources.list.d/google-chrome.list 1: deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main Active apt repos in: /etc/apt/sources.list.d/nordvpn.list 1: deb https://repo.nordvpn.com/deb/nordvpn/debian stable main Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 1: deb http://packages.linuxmint.com ulyana main upstream import backport #id:linuxmint_main 2: deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse 3: deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse 4: deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse 5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse 6: deb http://archive.canonical.com/ubuntu/ focal partner Info: Processes: 296 Uptime: 3h 33m Memory: 7.21 GiB used: 5.08 GiB (70.5%) Init: systemd v: 245 runlevel: 5 Compilers: gcc: 9.3.0 alt: 9 Shell: bash v: 5.0.16 running in: xfce4-terminal inxi: 3.0.38 Linux-Compatible USB-C to HDMI Adapter
I recently purchased a Dell XPS 13 (9350) laptop, which lacks any dedicated video output ports but does have a USB-C port. This recent Skylake-based laptop is constantly gaining hardware compatibility with Linux with each kernel release, so almost as soon as a new kernel comes out I upgrade. Consequently I’m currently running Linux Kernel 4.6.2.
When I first installed Linux on this machine I believe I was running Kernel 3.19, and later I upgraded to 4.4. It wasn’t until I believe the 4.5 series before I could mount my USB-C Nexus 5X phone. At that point I figured it was time to buy a new USB-C peripheral to get an external display working.
I ended up purchasing this peripheral for $50 from Amazon:
Cable Matters USB-C to HDMI / VGA / Ethernet / USB Multiport 4K UHD Adapter (TB3 Compatible)
This device has four ports: Gigabit Ethernet, USB 3.0, VGA, and HDMI. It draws all the power it needs from the host via the single USB-C wire.
I’m currently typing this post on an external monitor attached to HDMI, using a keyboard simultaneously attached to the USB port. I haven’t tried using the Ethernet port, however I can confirm the device is displayed when running ifconfig. I also tried using the VGA port to and it worked as well. The monitor appears to be running at 60fps (and xrandr output lists it as 60fps).
This device is a sort of docking station; I can leave it at my desk attached to my monitor and a USB hub and only worry about plugging in power and the device when coming home.
I will say, though, that the device is a bit on the big and ugly side. What’s with the checkered pattern on top? Why not make it more squat and put ports on the side? Also, having a USB-C female port on the device would make for a great addition.
I also have no idea how this device performs with other USB-C computers, such as the Apple Macbook. I can only assume it works great, as the Macbook is currently the most popular consumer laptop with USB-C (though, charging would be impossible, lacking a USB-C female port).
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Hi to all,
I’ve an Asus N752VX which has both usb-c port and hdmi output.
I’ve seen that there are some usb-c hubs which have hdmi and LAN port.
If I find one which is compatible with linux, is it enough to have a second hdmi outport or should I check previously if the usb-c port contains the hdmi signal?
On an asus help page there is an explanation of usb ports symbols according to which my laptop usb-c port does not have a video signal.
However I’m not sure if that page is for my laptop tooo and, moreover, I’ve not understood if it is a software (Windows) limitation or an hardware one.
Is there any way in linux to understand if an usb-c port outputs a video signal?
Last edited by Xwang (2021-08-31 12:07:08)
I’m still learning English so please excuse me if my English is not good enough and feel free to correct me via PM if you want.
#2 2021-08-31 13:23:02
Lone_Wolf Member From: Netherlands, Europe Registered: 2005-10-04 Posts: 11,063
Re: USB-C how to check if it has HDMI signal?
Usb-c has optional alternate modes which allow displayport , hdmi and such options .
Support for those modes needs to be provided by the hardware.
Complicating things is that Thunderbolt3 uses the same connector and has support for DisplayPort screens .
No idea how to check for usb-c alternate modes, but the thunderbolt controller has its own kernel module.
should clarify if your laptop has thunderbolt connections.
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