https://bugzilla.kernel.org/show_bug.cgi?id=201539
Bug ID: 201539
Summary: AMDGPU R9 390 automatic fan speed control in Linux
4.19
Product: Drivers
Version: 2.5
Kernel Version: 4.19
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-...@kernel-bugs.osdl.org
Reporter: 0xe2.0x9a.0...@gmail.com
Regression: No
GPU: R9 390
Kernel module: amdgpu
Application (example): Rise of the Tomb Raider benchmark
In Linux 4.18 the fan speed of the GPU gradually adapts to GPU load. Maximum
pwm is 155 during the benchmark.
In Linux 4.19 the overall fan speed is lower (which is more silent than 4.18,
with maximum at 112) but the fan spikes to full speed (pwm=255) for 1-2 seconds
which is extremely loud.
The 4.18 and 4.19 kernels are using the same firmware.
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