[Bug 218015] New: amdgpu powerplay: Spontaneous changes to power_dpm_force_performance_level

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=218015

            Bug ID: 218015
           Summary: amdgpu powerplay: Spontaneous changes to
                    power_dpm_force_performance_level
           Product: Drivers
           Version: 2.5
    Kernel Version: 6.1.57
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: high
          Priority: P3
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: roman.zilka@gmail.com
                CC: alexdeucher@gmail.com, christian.koenig@amd.com
        Regression: No

On an RX 6500 XT card I set
/sys/class/drm/card*/device/power_dpm_force_performance_level to
"profile_standard" before I start any game. That is to avoid overheating (95+
°C) which occurs quickly when the perf level is left at the default of "auto"
(it's some sort of OC card) and impacts the GPU as well as the nearby mobo
components (I get a thermal warning in kernel log about the onboard audio
chip). The perf level setting spontaneously reverts back to "auto" at random,
however, and I'm forced to run a script which polls
power_dpm_force_performance_level and corrects it when necessary. This happens
0-10 times per hour while playing.

MSI Radeon RX 6500 XT MECH 2X 4G OC. Kernel 6.1.57, x86_64, Gentoo, gcc 13.2.1
20230826, X11, xf86-video-amdgpu-23.0.0, linux-firmware-20230919.

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