https://bugs.freedesktop.org/show_bug.cgi?id=111482
--- Comment #8 from Andrew Sheldon <asheldo...@gmail.com> ---
I just did some more tests, and in my case, it wasn't strictly the refresh
rate, but the timings being too aggressive (which I needed to do to lower the
pixel clock enough due to driver limits, which are quite conservative).
This wasn't as much of a problem with Vega, since the idle power usage was
about the same (12-15W), but it is with Navi.
I will also add that during my tests, I found it was possible to leave the
system in a state where I couldn't leave the high memclock/power usage
situation after a while, even when switching to 60hz, requiring a reboot. So
that might be what is happening on your system, Robert.
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