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, 11 Sep 2024 04:32:26 +0000 [thread overview]
Message-ID: <bug-218686-137361-obMAVPwbmc@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 #97 from xiaojian.du@amd.com ---
Thanks for all of you guys.
This thread will be the reference for the similar issue on many other OEM
devices.
Checked the background, it seems ASUS always uses a different palce to store
pstate info.
like this commit:
[PATCH v6 03/14] ACPI: CPPC: implement support for SystemIO registers
From: Steven Noonan <steven@valvesoftware.com>
According to the ACPI v6.2 (and later) specification, SystemIO can be
used for _CPC registers. This teaches cppc_acpi how to handle such
registers.
This patch was tested using the amd_pstate driver on my Zephyrus G15
(model GA503QS) using the current version 410 BIOS, which uses
a SystemIO register for the HighestPerformance element in _CPC.
https://lkml.org/lkml/2021/12/19/90
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next prev parent reply other threads:[~2024-09-11 4:32 UTC|newest]
Thread overview: 102+ 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
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