Tobias, On 19.07.2014 21:20, Tobias Jakobi wrote: > Hello, > > I have a question concerning an older version of this patchset, the one > which still included exynos4x12 support and where the clocking data was > provided through DT. > > I tried to get this working for my ODROID-X2, which does work well, > including the usage of the boost frequences. Since the X2 has an > Exynos4412 Prime I added additional clocking data and operating points. > > clocking data (comes from the vendor kernel): > <1704000 3 7 0 6 1 2 7 0 7> > <1600000 3 7 0 6 1 2 6 0 7> > > operating points (again from vendor kernel): > 1704000 1375000 > 1600000 1350000 > > Doing this I get correct output from scaling_available_frequencies and > scaling_boost_frequencies and the driver seems to select these > frequences. However when reading from cpufreq_cur_freq, which I think > returns the frequency of the armclk, the maximum freq never exceeds > 1.5GHz. So effectively the additional clocking data and opps are not used. > > I wonder this happens? Is there some kind of limit enforced? Have you also extended the array of allowed APLL settings in drivers/clk/clk-exynos4.c? Best regards, Tomasz -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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