Recent content by joevt

Just to be sure, we are talking about the gofanco HDMIUSBC and not the USBCHDMI? The HDMIUSBC requires USB 2.0 input for power. Is it getting enough power? The USB 2.0 connection should also allow USB connection to USB-C DisplayPort Alt Mode display. The display cannot be of the USB 3.x + two...

Right. The spec says it has USB 3.0. USB 3.0 requires two lanes of USB-C so only two lanes remain for DisplayPort (USB 2.0 uses USB-C lines that are not used by USB 3.x or DisplayPort). It's limited to DisplayPort 1.2 HBR2 (no DSC) input so the max is 360 MHz (assuming 8bpc RGB). There are some...

I remember AMD Radeon software custom resolutions don't work well - they don't let you change the bpc so you have to use CRU. But the EDID overrides created by CRU do not get applied to displays connected to MST hubs that are connected to AMD GPUs. But I believe this problem was fixed in a...

The Lontium LT8711X-B is supposed to be able to do HBR2. Maybe it's choosing HBR because that is more likely to have a cleaner signal. You need a dump of the DPCD registers to learn the maximum link rate. The AGDCDiagnose command on an Intel Mac will get you the info. I'm not sure if there's a...

I could not get it from the Windows Store. Search from the Microsoft Store app does not find it. I can find it using google which leads to the Microsoft Store website, but clicking "Get" goes to the Microsoft Store app which shows the info for the app but says "is currently not available". I...

When I used fwupd, I remember getting some kind of error but I don't remember what it was. The update seems to have worked anyway (may need to disconnect the adapter and reconnect it to be sure). I wonder how the checksum works? I don't think fwupd has the ability to read the rom from synaptics...

I think you should open an issue in the fwupd GitHub page. The project is very active. Attach the firmware you want to use, and the output of sudo fwupdtool get-devices --verbose Also, do you have a dump from the VmmUpdate.exe of your Sunix before you tried updating it? Actually, I think you...

Did you ever get around to trying fwupd? It's been updated recently to allow working with AMD GPU. Still, sudo fwupdtool get-devices won't be able to see the MST Hub firmware unless the MST Hub is connected to Intel GPU (with or without display), or to the AMD GPU with a display connected to...

If you have a PCIe slot then the Sunix will work and $19 is a great price. Here are some other options: https://egpu.io/forums/gpu-monitor-peripherals/does-a-usb-c-monitor-support-displayport-input-over-a-usb-c-to-displayport-cable/paged/4/#post-79127 Newer options not listed there are: - Maple...

Yes, it should be as simple as apt-get (if it's not already installed?) Then you connect the MST Hub. Then you install the firmware. No power might be a problem. The fwupdtool just needs to be able to communicate via the dp aux channel to check for a firmware. I don't know if your Sunix will...

Did you try fwupd in Linux? When I had the wrong firmware in my Delock 87737 it would cause a hang if a display was connected to it. If a display was not connected to it, then the MST Hub would not appear as a device unless it was connected to the Intel GPU with a display connected to a...

My experience with fwupd and Synaptics MST hubs is at https://github.com/fwupd/fwupd/issues/1665 and https://github.com/fwupd/fwupd/pull/2923 There was no method for saving the current firmware. I didn't try using one vendor's firmware on another vendor's device. In unrelated news, I see...

EDID overrides (created by CRU or display installer) are stored in the registry per display vendor/product and GPU port. CRU will let you change the display name in the EDID override, so you should add a description of the GPU port number. Then if you see that new name then you can tell it's...

Are you using CRU or AMD software to create the custom resolution? I think AMD software is broken for custom resolutions so you have to use CRU. Also, AMD doesn't accept EDID overrides for displays connected via MST Hub so make sure it's a direct connection. Last time I tried was a couple months...

AMD's custom resolutions are stuck at 6bpc max so I tried CRU. AMD doesn't use EDID overrides created by CRU (or any other method affecting the registry) when the display is connected to an MST Hub. EDID overrides appear to be per display model and GPU port, so you need to copy the EDID override...