From: bugzilla-daemon@kernel.org
To: linux-pm@vger.kernel.org
Subject: [Bug 218686] Fail to set energy_performance_preference of amd processor on asus ga403uv
Date: Wed, 10 Apr 2024 06:19:00 +0000 [thread overview]
Message-ID: <bug-218686-137361-mlW25j3b27@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-218686-137361@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=218686
--- Comment #9 from al0uette@outlook.com ---
(In reply to Perry Yuan(AMD) from comment #7)
> (In reply to al0uette from comment #6)
> > (In reply to Perry Yuan(AMD) from comment #5)
> > > Hi，please help to provide this output with below commands.
> > >
> > > # cd /sys/devices/system/cpu/cpu0/cpufreq
> > > # grep . *
> > > #sudo rdmsr 0xc00102b3 -a
> > > #lscpu -ae
> > > #dmesg
> >
> > Should I do this with amd_pstate=active commandline?
>
> Yes, if your kernel is not updated to include the patches which make the
> amd_pstate_epp as the default mode, you would need to add amd_pstate=active
> commandline.
>
> After you added the amd_pstate=active and boot system up, we can check why
> the EPP values cannot be changed.
>
> Perry.
I've uploaded my output. BTW I do use a quite new kernel (6.9.0-rc1), however
without amd_pstate=active my system uses acpi-cpufreq :(
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next prev parent reply other threads:[~2024-04-10 6:19 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-06 2:56 [Bug 218686] New: Fail to set energy_performance_preference of amd processor on asus ga403uv bugzilla-daemon
2024-04-08 1:48 ` [Bug 218686] " bugzilla-daemon
2024-04-10 3:36 ` bugzilla-daemon
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