Debian 10.0 works with 3rd generation Ryzen

[Nicholas D Steeves]

Hi,

Ben Hutchings <ben at decadent.org.uk> writes:

> On Fri, 2020-05-29 at 15:00 +0100, Mick Ab wrote:
>> https://www.phoronix.com/scan.php?page=article&item=3900x-linux-distros&num=1
>> 
>> The above article shows that Debian 10.0 will work with a third generation
>> Ryzen CPU.
>> 
>> I understood that the stable release of Buster had problems with such CPUs.
>> Has the problem been overcome by installing appropriate AMD firmware ? Has
>> the BIOS setting of the motherboard also played a part ?
>
> I don't the specifics, but new CPU models tend to work without specific
> support in the kernel.  The most critical model-specific setup is done
> by the system firmware (BIOS).  However, features such as power
> management and performance monitoring may not work as well as with a
> current kernel version.
>
> I believe the latest AMD *GPUs* won't work with Debian 10, though. 
> They require both new firmware and kernel driver changes (and possibly
> user-space driver changes, but I don't know).
>

For AMD Navi, Mesa 19.2 (released sept 2019) is the oldest usable
version.  Imho it's time we provide a "hardware enablement" backport of
the graphics stack, not only for users, but also to thank AMD for their
new phase of GPL-friendly driver development.

This will also require a backport of llvm-10-toolchain.  The only thing
I'm not sure about is if additional Xorg components would additionally
need to be backported.

I've CCed the backports list and the teams involved.

Cheers,
Nicholas
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