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I have installed Ubuntu 20.04 in a computer with a Ryzen 7 5700g, which comes with a RX Vega 8 integrated. The computer work fine for the basic tasks I have performed already, but when checking Settings > About, it shows: "Graphics: AMD® Renoir", instead of the Vega 8, or at least Cezanne.

I'm trying to find the drivers to correct this, but without success.

Edit:

Kernel version

$ uname -r
5.13.0-37-generic
rvbarreto
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  • Why do you believe that it's not recognized? If you are able to use a desktop environment, then it's working – Nmath Mar 24 '22 at 23:33
  • I understand your point, but why it shows the wrong model? – rvbarreto Mar 24 '22 at 23:34
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    I've checked AMD website and the codename for the 5700G is Cezanne. Renoir was the codename for the 4000 series. https://www.amd.com/en/products/apu/amd-ryzen-7-5700g – rvbarreto Mar 24 '22 at 23:40
  • That may not be important. Can you edit your question and describe what isn't working? Is your system fully up-to-date? AMD graphics drivers are supported at the kernel level. If it wasn't working, you wouldn't be able to boot into a desktop – Nmath Mar 24 '22 at 23:46
  • I've installed Ubuntu yesterday and up to this moment, everything works. I was just checking the system and noticed this specification is not matching the actual hardware. – rvbarreto Mar 24 '22 at 23:48
  • What kernel are you on? What does uname -r output? – Nmath Mar 24 '22 at 23:49
  • added info to the question – rvbarreto Mar 24 '22 at 23:52
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    If you're on kernel 5.13 on 20.04 then that shows you are on the HWE stack which means you have the latest Ubuntu kernel made for your release and the AMD graphics drivers are supported at the kernel level. There isn't an alternative driver that you should try to install. If you aren't actually experiencing any problems, then it's possible that the only problem is the name of the driver. I suggest filing a bug report so that developers are aware of the issue. If you do encounter any specific problems, I suggest to ask about that separately – Nmath Mar 25 '22 at 00:31

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As mentioned, the drivers are already in the kernel. Alternatively, you can download the installer for Radeon drivers here:

https://www.amd.com/en/support/kb/release-notes/rn-amdgpu-unified-linux-22-20

Whatever is shown in about does not have to be Vega, it might well be as you see now. You can check dmesg and lscpi for example to see if it is loaded.

For example :

dmesg | grep -i amd

You may need sudo in front of that in recent Ubuntu versions.

Vincent Gerris
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