#linux-rockchip on 2017-12-22 — irc logs at freenode.irclog.whitequark.org

2017-05-08 04:47 ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | IRC log http://irclog.whitequark.org/linux-rockchip | Community GH https://github.com/linux-rockchip | Rockchip GH https://github.com/rockchip-linux | ML https://groups.google.com/group/linux-rockchip

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13:39 <lioka> hi. someone with evb-rk3399 -- is u-boot v2018.01-rc2 ok ? can't go further 'U-Boot SPL board init' here

13:49 <rtp> lioka: tested on sapphire board: boot log: https://paste.debian.net/hidden/41e6a785/ changes done in uboot: https://paste.debian.net/hidden/17c986d1/

13:54 <lioka> wow

13:54 <lioka> rtp: did you use bl31.elf from rkbin or built from a-t-f ?

13:58 <rtp> bl31.elf from https://github.com/ARM-software/arm-trusted-firmware.git with this change https://paste.debian.net/hidden/912d6238/ it was needed previously. I didnt try without on 2018.01-rc2

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14:05 <lioka> rtp: thanks, finally mainline u-boot :]

14:06 <lioka> with bl31 from rkbin tough, now trying with a-t-f ...

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22:07 <vstehle> Hello, linux rockchip. I have a linux next on rk3399 and I wonder how the CPU frequencies should be; I think I see A72 @500MHz and A53 @1.5GHz. Anybody knows about that, please?

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22:29 <beeble> vstehle: cat /sys/devices/system/cpu/cpufreq/policy0/stats/time_in_state and /sys/devices/system/cpu/cpufreq/policy4/stats/time_in_state

22:29 <beeble> or use cpufreq-info if you have that util

22:45 <vstehle> beeble: no such file... and no cpufreq support

22:46 <vstehle> I think I recall some e-mails about CPU supplies not having some limitting/overflow support in next right now so cpufreq is disabled for the moment.

22:47 <vstehle> but maybe there is a way to have a sane fixed frequency for A72 after boot?

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22:55 <vstehle> Looks like this should be fixed? https://lkml.org/lkml/2017/6/23/504

23:16 <beeble> vstehle: sorry don't really follow gru development. on a different rk3399 board it does work with next (pulled right now)

23:17 <beeble> ok, the defconfig is missing CONFIG_CPU_FREQ_STAT and does not enable any other governors then performance