From: bugzilla-daemon@kernel.org
To: platform-driver-x86@vger.kernel.org
Subject: [Bug 217696] Looking for a way to enable power saving mode for Ryzen APUs, along with limiting the upper temperature and total power consumption
Date: Wed, 26 Jul 2023 12:53:05 +0000 [thread overview]
Message-ID: <bug-217696-215701-Xm0YVt90JJ@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-217696-215701@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=217696
--- Comment #19 from Mario Limonciello (AMD) (mario.limonciello@amd.com) ---
> /sys/firmware/acpi/platform_profile which now contains "balanced".
> /sys/firmware/acpi/platform_profile_choices contains:
> low_power balanced performance
OK good news and bad news.
* The good news: this means the patch "works" and you're now seeing the extra
values for power slider notifications.
* The bad news: It appears that HP's EC doesn't do "all" the power state change
notifications. Some of it is handled by code that runs in the APU's TEE
environment.
> [45870.908318] amd-pmf AMDI0102:00: supported functions:0xe0c3
> notifications:0x10
There are some other bits not yet supported by amd-pmf in Linux. Let's leave
this issue opened until that code is submitted.
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next prev parent reply other threads:[~2023-07-26 12:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-217696-215701@https.bugzilla.kernel.org/>
2023-07-24 18:22 ` [Bug 217696] Looking for a way to enable power saving mode for Ryzen APUs, along with limiting the upper temperature and total power consumption bugzilla-daemon
2023-07-24 18:36 ` bugzilla-daemon
2023-07-24 18:39 ` bugzilla-daemon
2023-07-24 18:54 ` bugzilla-daemon
2023-07-24 19:51 ` bugzilla-daemon
2023-07-24 19:52 ` bugzilla-daemon
2023-07-26 9:36 ` bugzilla-daemon
2023-07-26 10:01 ` bugzilla-daemon
2023-07-26 10:03 ` bugzilla-daemon
2023-07-26 10:34 ` bugzilla-daemon
2023-07-26 12:53 ` bugzilla-daemon [this message]
2023-07-26 14:02 ` bugzilla-daemon
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2023-07-26 19:55 ` bugzilla-daemon
2023-08-01 13:52 ` bugzilla-daemon
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