From: bugzilla-daemon@kernel.org
To: linux-pm@vger.kernel.org
Subject: [Bug 218171] amd-pstate not loading on zen2 threadripper 3960x (trx40
Date: Thu, 25 Jan 2024 06:17:41 +0000 [thread overview]
Message-ID: <bug-218171-137361-d0H7D52PUl@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-218171-137361@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=218171
--- Comment #35 from Perry Yuan(AMD) (Perry.Yuan@amd.com) ---
Created attachment 305776
--> https://bugzilla.kernel.org/attachment.cgi?id=305776&action=edit
patch to enable amd psate driver for Family 17H
Hi all,
Please try this patch on your system, I would like to see if the system BIOS
still looking for some other fixes.
I am not sure if the pstate driver can be loaded successfully on your system
with this patch, if CPPC capabilities missing on your system, we still add some
other fixes on for the broken BIOS.
after you build and boot your system,
please help to provide below info to me to check the driver status.
# sudo dmidecode -t system
# sudo cpupower frequency-info
echo "=============norminal freq==============================="
cat /sys/devices/system/cpu/cpu*/acpi_cppc/nominal_freq
echo "=============norminal perf==============================="
cat /sys/devices/system/cpu/cpu*/acpi_cppc/nominal_perf
echo "=============highest_perf perf==============================="
cat /sys/devices/system/cpu/cpu*/acpi_cppc/highest_perf
echo "=============lowest_nonlinear_perf perf==============================="
cat /sys/devices/system/cpu/cpu*/acpi_cppc/lowest_nonlinear_perf
echo "=============lowest perf==============================="
cat /sys/devices/system/cpu/cpu*/acpi_cppc/lowest_perf
Perry.
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next prev parent reply other threads:[~2024-01-25 6:17 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-21 9:51 [Bug 218171] New: amd-pstate not loading on zen2 threadripper 3960x (trx40 bugzilla-daemon
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