[Bug 202043] amdgpu: Vega 56 SCLK drops to 700 Mhz when undervolting

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=202043

--- Comment #7 from mistarzy at gmail.com ---
Best results performance wise had with following setup:

echo 275000000 >> /sys/class/drm/card0/device/hwmon/hwmon0/power1_cap
echo "m 3 1100 1000" > /sys/class/drm/card0/device/pp_od_clk_voltage

GPU clock hovered above 1400Mhz and memory kept state 3 with 1100Mhz even
though I did not change to manual or sent commit. But after extensive use by
benchmarking or gaming for 20+ min drivers seems to bug at goes to lower states
even though temperatures stay the same. Let me know if you would like some
tests and logs.

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