[Bug 218305] Ryzen 7 7840HS gets stuck at 544MHz frequency after a random number of suspend/resume cycles

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=218305

Dan Martins (dan.martins@zoho.com) changed:

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                 CC|                            |dan.martins@zoho.com

--- Comment #13 from Dan Martins (dan.martins@zoho.com) ---
I am seeing similar behaviour, to the extent that my CPU cores get capped at
some low frequency. Sometimes it is a few cores stuck at ~1600MHz, and
sometimes it is all cores stuck at 544MHz. It typically happens for me when
rebooting. I tried suspend/resume several times but could not reproduce that
way.

CPU is a AMD Ryzen 5 7640U on a Framework 13 laptop. 6.6.8 kernel on Fedora 39.

We may not be having the same issue, but I wanted to mention, I can get all
cores back to normal by switching the scaling_governor from powersave to
performance and back in case it helps in your case. I am using "sudo cpupower
frequency-set -g <GOV>" to switch it.

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