| Summary: | R9 380 fan speed is either 100% or very low, during moderate usage gets too loud | ||||||
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| Product: | DRI | Reporter: | Christos Kotsaris <christos.kotsaris> | ||||
| Component: | DRM/AMDgpu | Assignee: | Default DRI bug account <dri-devel> | ||||
| Status: | RESOLVED MOVED | QA Contact: | |||||
| Severity: | normal | ||||||
| Priority: | medium | ||||||
| Version: | unspecified | ||||||
| Hardware: | x86-64 (AMD64) | ||||||
| OS: | Linux (All) | ||||||
| Whiteboard: | |||||||
| i915 platform: | i915 features: | ||||||
| Attachments: |
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Created attachment 142283 [details] Just a few logs from my pc as per AMD reporting bugs instructions I noticed that when i am playing a video game, the gpu fan seems to be quiet for around 10-20 seconds, then gets too loud for around 3-4s, then back to idle, and this repeats until i quit the game. Upon examination i found out that for some reason the automated dpm sets the fan too low until temperature rises too much (around 100C), then it sets the fan speed to 100% (around 3500RPM), it drops rapidly, and the cycle goes on and on like this. I tried setting the fan speed manually through: echo "1" > /sys/class/drm/card0/device/hwmon/hwmon2/pwm1_enable and echo "X" > /sys/class/drm/card0/device/hwmon/hwmon2/pwm1 and found out that for my card the only values that seem to work are: higher than 199 (sets the fan speed to max) and lower than 196 (sets the fan speed to around 150-190RPM, the lowest my fan will go) I think this is a bug, i don't have a Windows partition anymore but i don't remember ever having this issue on Windows. My GPU is a Sapphire R9 380 ITX Compact 2GB. I am using 4.18.16 kernel and 18.2.3 MESA on Archlinux.