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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<EmilKarlson> gah
<EmilKarlson> sphalerite: those may help
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<sphalerite> EmilKarlson: cool, thanks!
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<klemen> Hi everyone
<klemen> I'm using a RK3288 SoC and I have trouble switching to 4K
<klemen> cat'ing /sys/class/drm/card0-HDMI-A-1/modes does not give 3840x2160 as an option
<klemen> and therefore I set weston to use that resolution
<klemen> *when I set weston
<klemen> a much lower resolution gets selected
<klemen> I'm using the kernel from https://github.com/rockchip-linux/kernel
<klemen> branch develop-4.4
<klemen> I also tried branch release-4.4 and also doesnt work
<klemen> I have a 4K capable TV connected to HDMI
<klemen> I don't know what else to try :-/
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<mrjay> where should i write custom dtb file when my tablet uses binary blob from rockchip to boot kernel? rockchip wiki doesn't help :(
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<mrjay> there is CONFIG_APPENDED_DTB in linux for armv7 but i don't see this option for aarch64 (rk3399)
<mmind00> mrjay: I think was that resources "partition"
<mmind00> it was
<mrjay> mmind00: thanks
<mmind00> mrjay: there was some tool to unpack and repack this image
<mrjay> mmind00: yeap i see now
<mmind00> great
<mrjay> mmind00: do you know if rockchip has porting battery/charger to mainline on it's plate? it would be awesome if they would did it
<mrjay> mmind00: battery/charger driver
<mmind00> mrjay: isn't that just some generic component? Aka: (1) I don't see that much direct Rockchip contributions to mainline these days and (2) there are probably other mainline'y ways of doing charger batter handling - depending on the components used
<mrjay> mmind00: its rk818 battery and charger
<mmind00> mrjay: ah ok ... I wouldn't hold my breath though, as I said engagement from them itself is pretty low right now ... sadly
<mrjay> mmind00: about (1) i see that either but i thought that rockchip in kernel was mature enough? :)
<mmind00> mrjay: in general yes ... but of course there is always more stuff to do ... in general there is quite a lot of activity from people and companies using Rockchip Socs and a mainline kernel now
<mmind00> But unless some of them need that functionality, they probably won't try to do that specific driver you need
<mrjay> mmind00: that is good to know
<mmind00> you could of course try yourself to port the relevant code yourself ;-)
<mrjay> i could try ... but i see in my mind thoose exploding batteries
<mrjay> :D
<mrjay> i can do other stuff but this seems dangerous :)
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<sphalerite> So if I'm understanding http://opensource.rock-chips.com/images/6/60/Rockchip_RK3399_Datasheet_V1.6-20170301.pdf right, rk3399 has a hardware RNG
<sphalerite> However, the TRM http://opensource.rock-chips.com/images/e/ee/Rockchip_RK3399TRM_V1.4_Part1-20170408.pdf nor any of the DTBs I've been able to find so far mention this
<sphalerite> am I missing something?
<mmind00> sphalerite: there is a rng and it is part of the crypto ip-block
<sphalerit> mmind00: OK... Can Linux use it?
<mmind00> sphalerit: one of the developers from amarula solutions did a preliminary driver for it
<mmind00> so it can be used but needs cleaning / fixing and mainlining
<sphalerit> Ah ok
<sphalerit> And I'm guessing the mainline rockchip-rng is unrelated?
<mmind00> there is a mainline rockchip-rng?
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<sphalerit> Um
<sphalerit> Maybe it was in the cros kernel
<sphalerit> Or the downstream vendor thingy
<sphalerit> Will check tomorrow
<sphalerit> No corresponding device tree entry though, so it doesn't actually do anything 😅
<sphalerit> Iiuc
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