Pali Posted July 2, 2021 Posted July 2, 2021 It looks like that even with latest patches is 1.2 GHz mode unstable on more boards. Therefore there is a proposed patch which completely disables cpufreq driver on 1.2 GHz variant of all A3720 SoC including Espressobin: https://lore.kernel.org/linux-pm/20210630135942.29730-1-kabel@kernel.org/t/#u If you have any input on this or reaction from Marvell / GlobalScale, please reply. 1 Quote
Heisath Posted July 3, 2021 Posted July 3, 2021 Thats sad. Another Marvell SoC which has dvfs advertised but not working. We went through similar troubles with A380 (Helios4 and Clearfog), seems like there is not much interest from chipmaker to help out. 0 Quote
Pali Posted October 3, 2021 Posted October 3, 2021 Just to note, some people reported this issue about instability of 1.2 GHz mode of A3720 SoC to Marvell gtihub bug tracker: https://github.com/MarvellEmbeddedProcessors/linux-marvell/issues/20 You could followup this ticket and provide to Marvell needed logs to help them debugging this issue. 0 Quote
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