On Mon Aug 26, 2024 at 8:28 PM CEST, Detlev Casanova wrote: > On Sunday, 25 August 2024 10:08:24 EDT Chukun Pan wrote: > > > --- /dev/null > > > +++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi > > > ... > > > + opp-1416000000 { > > > + opp-hz = /bits/ 64 <1416000000>; > > > + opp-microvolt = <725000 725000 950000>; > > > + opp-microvolt-L1 = <712500 712500 950000>; > > > + opp-microvolt-L2 = <700000 700000 950000>; > > > + opp-microvolt-L3 = <700000 700000 950000>; > > > + opp-microvolt-L4 = <700000 700000 950000>; > > > + opp-microvolt-L5 = <700000 700000 950000>; > > > + clock-latency-ns = <40000>; > > > + }; > > > ... > > > > I'm curious if these frequencies work properly. On the bsp kernel, > > 'opp-microvolt-L<name>' is used by the PVTM driver, I don't know > > if it works on the upstream kernel. > > Which seems to correspond to the set opp-hz value. As mentionned by Alexey, > the opp-microvolt-L.* values are not used by the driver. > > I also have not tested any cpufreq settings/driver on this board yet. I can > remove the opp-microvolt-L.* for now. If you run this command on the upstream kernel: ``grep -r "opp-microvolt" arch/arm64/boot/dts/rockchip/`` you'll see it doesn't use the opp-microvolt-LN variants anywhere, so this is indeed a downstream/BSP only thing.
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