[Bug 106188] Can't successfully set pstates in pp_od_clk_voltage

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Apr 23 16:39:26 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=106188

--- Comment #3 from tempel.julian at gmail.com ---
I figured out that the cause of the described behavior is that it doesn't allow
me to really increase the GPU clock.
So I can set "echo "s 7 1194 900" >
/sys/class/drm/card0/device/pp_od_clk_voltage" and it works correctly.
But when I set e.g. "echo "s 7 1199 900" >
/sys/class/drm/card0/device/pp_od_clk_voltage", the clock doesn't get over
pstate 6.

Is this restriction by purpose? It's not there with Wattman on Windows.

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