[Bug 206351] RX 5600 XT Not Correctly Recognized, Max Memory Frequency Below Where it Should Be

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=206351

--- Comment #8 from Alex Deucher (alexdeucher@gmail.com) ---
(In reply to Matt McDonald from comment #7)
> Ahhh I understand now. So, just to recap and make sure everything is
> covered...
> 
> - The new firmware for the new vBIOS is in QA right now but available for
> download (which I've tested, it seems to work for me).

Yes, I provided the link in comment 2.  It will be upstreamed to linux-firmware
soon.

> 
> - The Memory clock is correct, but it's the true clock and not the effective
> speed
> 

Correct.

> - The marketing strings required for the card to properly be recognized (and
> recognized as a 5600 XT as opposed to a 5700/5700 XT) for Vulkan/OpenGL/etc.
> are currently being worked on/added?
> 

The patch to add the strings is here:
https://gitlab.freedesktop.org/mesa/drm/merge_requests/44

> - This wasn't mentioned in the initial report but I'm assuming the lack of
> memory voltage reporting is just an aspect of Navi? For example, Polaris
> cards provide a core frequency and a voltage for both the memory and core,
> but with Navi it just provides a vddc curve (which is for some reason listed
> as 0mV for every state), but I've heard this is just down to Navi. Is this
> true, or will we at some point be able to see (and potentially set) voltages
> for memory (and individual core states)?
> 

vega20 and newer do not have discrete power states like older parts did.  So
there are no states to adjust.  You can only adjust the min and max engine
clocks and the max memory clock and the vddc curve.  You can adjust the voltage
curve today, the only thing that is missing is printing the default voltage
levels of the curve.  I'm not sure how to query that as of yet.

> - And finally, there are some rendering issues in certain games that did not
> exist with the same drivers with my Polaris card (even with the new
> firmware). Are these bugs that should be reported to Mesa, or the amdgpu
> kernel devs?

Probably mesa.

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