[Bug 111240] ASUS TUF Gaming laptops gets throttled down when the RX560X GPU is being used

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Oct 28 21:33:58 UTC 2019


--- Comment #7 from Jacek Konieczny <jajcus at jajcus.net> ---
I have tried kernel 5.4-rc5 – that did not help.

Disabling cpufreq boost (echo 0 > /sys/devices/system/cpu/cpufreq/boost) stops
the drastic slowdown from happening, but this also makes the system
significantly slower than normal (still much better than after the bug
appears), so there is no gain from using the discrete GPU (DRI_PRIME=1).

I wonder if this might be the problem:

> $ cat /sys/class/hwmon/hwmon3/{name,temp1_crit,temp1_crit_hyst}
> amdgpu
> 94000
> -273150
> $ cat /sys/class/hwmon/hwmon4/{name,temp1_crit,temp1_crit_hyst}
> amdgpu
> 80000
> 0

Are these hysteresis values being used? If so, then those values won't work for
recovering from thermal throttle. Though, I have never seen temperature reading
reaching 80 degrees there.

The first one seems to be the discrete GPU (RX560X), the other one integrated
(Vega 8).

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