Re: Radeon Vega 8 and drm-fbsd12.0-kmod

"J. Altman" <[email protected]> writes:

> Greetings, listmembers...
>
> I have a new installation of 12.0; and the APU shows as a Vega 8
> APU. Sources for /usr/sys and /usr/ports are new.
[...]
> Is it possible that, since I see no explicit mention of Vega 8 in any
> directory related to building the DRM in the subject, my machine fails
> due to that lack? I do see explicit listings for Vega 10...IIRC, it's 
> in gpu-firmware-kmod build directory?

Look for RAVEN per https://en.wikichip.org/wiki/amd/cores/raven_ridge
According to kms-drm repository earliest support appears in Linux 4.13
while drm-fbsd12.0-kmod is based on Linux 4.16 code.

> The DRM in the subject builds and installs fine; but using the 
> recommendations for loading via rc.conf amdgpu.ko (and yes, I have 
> tried using sysconS and not syconF via loader.conf...no help there)
> does not work....it's the usual black screen, unresponsive
> keyboard, with eventual failure of the machine and a hang requiring
> a mechanical re-start.

Maybe check https://github.com/FreeBSDDesktop/kms-drm/issues?q=raven
for common quirks.

I don't use AMD GPUs, so can't help further.
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