[Bug 111762] RX 5700 XT Navi - amdgpu.ppfeaturemask=0xffffffff causes stuttering and does not unlock clock/voltage/power controls

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111762

--- Comment #14 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to tempel.julian from comment #13)
> It might be that, just not in hex. E.g. VddcLookupTable entry 1 returns a
> Vdd of 65282.

Correct.  65282 is 0xff02 which is a virtual voltage id.  The driver uses that
id to look up the real voltage based on the leakage for the board.  Take a look
at smu7_get_evv_voltages() or smu7_get_elb_voltages() in smu7_hwmgr.c.

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