[Bug 221505] REGRESSION][amd_pstate] "EPP cannot be set under performance policy" (EBUSY) when switching to performance profile via PPD on 7.1

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=221505

--- Comment #25 from Sergey (sergeyluashkov@gmail.com) ---
(In reply to The Linux kernel's regression tracker (Thorsten Leemhuis) from
comment #24)
> (In reply to Mario Limonciello (AMD) from comment #22)
> > If I understood the root cause I would have a better answer for you.
> 
> One more question then, if I may: does a bisection make sense, or are things
> just to messy/complicated due to the other fixes in this area (or if, how to
> best approach one given those fixes? apply them at each step without
> committing them?)?
> 
> Side note: Alex, Sergey, you both seems to have Asus laptops, wondering if
> that's part of the problem here.

I can't say for sure, but I can test the 7.1-rc5 kernel on a mini PC with an
AMD Ryzen 9 7945HX this weekend and report back here if there are any issues.

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