<sunshavi>
i do not think so check linux sunxi mainlining effort (and I do not remember any change like that)
<vagrantc>
well, there's *definitely* no opp_table in 4.17.x, and it's definitely present in 4.18.x ...
<sunshavi>
yes cpufreq was added recently
<sunshavi>
but then your speed on 4.17 is 1.01 Ghz
<vagrantc>
according to the matrix, it added cpufreq (devfs) in 4.18
<vagrantc>
and to the history ...
<vagrantc>
i guess i could blacklist the cpufreq modules and see if that helps...
<vagrantc>
is it cpufreq-dt ?
<smaeul>
yes
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<wens>
vagrantc: the opp table is in sun8i-h3.dtsi. It's shared amongst all boards (that don't define their own).
<vagrantc>
so if it's a shared opp table, it's plausible the defaults don't work with some board combinations?
<wens>
yes it's plausible, though we supposedly used conservative values
<wens>
vagrantc: if you look through the IRC logs of this week, there was a bit of discussion about the stability of h3/h5 boards
<wens>
vagrantc: lvrp16 did some tests
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<lvrp16>
i am also using axp8036 which is different than other boards. i dont know what vdroop is like for them. but with axp8036 1.2v h3 can do 1.2ghz stable and 1.1v h5 can do 1ghz stable.
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<vagrantc>
well, cpufreq support being added in 4.18.x for H3 and the changes in the DT ... seems like suspicious timing :)
<vagrantc>
i've got 1 out of 3 boards switched over and with the module blacklisted; will see how it pans out.
<veremitz>
Am I right in thinking the H2+ cpufreq is included with the H3 ? my banana-pi-zero gets a lil bit warm :D
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<wens>
vagrantc: correct
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<vagrantc>
so, blacklisting the cpufreq_dt module on linux 4.19.x and my orange pi plus2 is still running after 19 hours ... usually i'd get the CPU stalls multiple times per day before ...
<vagrantc>
that seems promising ... though not fully confident yet
<anarsoul>
vagrantc: you should probably fix opp for your board
<vagrantc>
probably. but for now i'm happy to have hopefully identified the issue
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