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<sunshavi>
buZz: mmm, ok, I am going to try it
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<MoeIcenowy>
sunshavi: it's in 4.18-rc1.
<MoeIcenowy>
sunshavi: before release version is out, it will be always "Planned in 4.xx"
<MoeIcenowy>
as it's possible for RC stage to drop patches
<MoeIcenowy>
e.g. dwmac-sun8i suffered this in 4.13
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<sunshavi>
MoeIcenowy: thanks. I am in archlinux. I am going to receive that change this Wednesday. I need to know just for knowing if restarting my board
<MoeIcenowy>
archlinux or alarm?
<sunshavi>
alarm
<sunshavi>
archlinux arm
<sunshavi>
MoeIcenowy: Linux sacsa 4.17.0-rc7-1-ARCH #1 SMP PREEMPT Thu May 31 00:36:26 UTC 2018 armv7l GNU/Linux
<MoeIcenowy>
ok ;-)
<MoeIcenowy>
wow so bleeding edge ;-)
<sunshavi>
yeah, no VE, some minor issues with the wifi-driver. But the rest is ok
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<MoeIcenowy>
no one should expect VE
<MoeIcenowy>
but what's your board?
<MoeIcenowy>
I only pushed DVFS patches for boards I own.
<sunshavi>
opi+2e
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<sunshavi>
installed on emmc
<sunshavi>
I moved to arch as soon as I got hdmi, 1600x1200 on my monitor
<sunshavi>
But I have been using arch more than a year now. headless on an sd-card
<MoeIcenowy>
ok I don't have opi+2e
<MoeIcenowy>
for H3 boards with SY8106A regulator I have only the traditional opipc
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<sunshavi>
one thing that happens with this board. is that sites like amazon identify the board as mobile, and gives you the mobile version of a web page. Which sometimes is sad
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<sunshavi>
well opipc is enough for having DVFS on opi+2e. I think
<sunshavi>
on mainline of course
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<sunshavi>
MoeIcenowy: You were right. 4.18.0-rc1-1. Did not have the patch
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<MoeIcenowy>
sunshavi: if you want, you can try to port it from opipc
<MoeIcenowy>
they're similar at DVFS
<MoeIcenowy>
I didn't add it just because I cannot test
<MoeIcenowy>
oh sorry the +2e should have dvfs now
<MoeIcenowy>
as pc-plus includes pc
<MoeIcenowy>
+2e includes pc+
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<micken>
jernej: Thanks. I will see if I can write the fbaddress to some address below osrom loading space. It is not a pretty solution but it will do for starters.
<micken>
jernej: as I told the others.. I am quite familiar with u-boot so it shouldnt be any problem for me. I will publish my patch.
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<escalion>
Hey all, (A64 - pine64 related) Does anyone know how to properly modify the MIPI clock in drivers/video/sunxi/disp2/disp/de/lowlevel_sun50iw1/disp_al.c - setting dclk_freq to 79 in dtb results in a clock of 235Mhz - seems dividers are set and not calculated?
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<hitech95_peppy>
I hate my unviersity connection I'm tring to clone the kernel. I'm still waiting after 15 minutes. I miss y home connection.
<KotCzarny>
checkout at home, repack with xz, download
<escalion>
even better dump it onto a USB
<hitech95_peppy>
KotCzarny, I had to. Right now I cant do much. My honeypot is offline and I cant access the main server kvm to turn it on and work from remote. (dummy me)
<KotCzarny>
ssh?
<KotCzarny>
any remote shell will do
<hitech95_peppy>
KotCzarny:, yup ssh and then remote desktop. It run proxmox I have different machines.
<KotCzarny>
no, i meant: ssh onto any ssh account with sane connection, checkout kernel there, remove cruft, pack with xz and download with scp
<escalion>
kimsufi do cheap VPS's with decent connections
<hitech95_peppy>
KotCzarny, the problem is the fact thay I have only one port open from outside. And today here the connection is quite slow. if my honeypot was on I had ssh tunnels to access all the machines on my network.
<KotCzarny>
my big server is banana pi m1
<KotCzarny>
;)
<hitech95_peppy>
then I have others smaller
<KotCzarny>
on 50/50mbit
<hitech95_peppy>
KotCzarny: my honeypot is a rpi
<hitech95_peppy>
and I have arpi also as pbx system
<escalion>
my big server is a HP DL380 G7
<escalion>
nice bit of kit and cheap enough compartively
<KotCzarny>
for me power envelope was most important, for heavier tasks there is wake-on-lan
<hitech95_peppy>
90%, I can do it. Later I have an exam...
<hitech95_peppy>
escalion: Lol your is lot newer than mine, The real problem here is the power consumption. In shutdown mode with both PSU connected and UPS the power is 68W O.o Is like my main PC!
<KotCzarny>
bpim1 draws like.. 2W ?
<escalion>
Is the 68W from the UPS?
<KotCzarny>
and onboard 18650 battery acts like a ghetto ups
<hitech95_peppy>
KotCzarny: LOL! sbc are really userfull! Unfortunatly compile in them is too slow!
<KotCzarny>
hitech95_peppy: that's why i have wake-on-lan
<KotCzarny>
:)
<buZz>
hitech95_peppy: yay proxmox :)
<escalion>
I don't allow SSH into my network directly
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<buZz>
i run proxmox on a Atom C3578 with ~30 LXC's , takes ~25 watt
<hitech95_peppy>
escalion: ups consumption at idle plus the two rendundant power supplys when the server is off.
<escalion>
have to be connected to openvpn first
<hitech95_peppy>
escalion: I have ssh tunnels with the honeypot that only accept connections with cert.
<hitech95_peppy>
I got it, yee! Now I have the linux src!
<buZz>
:)
<hitech95_peppy>
buZz: proxmox is really userfull! I use it mostly with containers. If i need the gui i use emulation.
<escalion>
I still don't like leaving ssh ports open... all it takes is 1 nice exploit to pop up on exploitdb and a delay of a couple fo hours before upgrading and you are compromised
<escalion>
at least with openvpn i have 2 layers of protection
<escalion>
but my IDS will pick it up once in openvpn
<buZz>
hitech95_peppy: uhuh :) i've used it since proxmox2.something
<hitech95_peppy>
escalion: My public servers are on another subnet, and don't contains state secret stuff. So not so important.
<buZz>
hope someday ARM will be a supported platform for proxmox
<hitech95_peppy>
buZz: that wuould be cool. Looks like Qualcomm is starting making some really good socs even for desktop/servers.
<escalion>
I love the exynos boards out now... oodles of power
<escalion>
bit pricey though
<buZz>
i'd rather have a cavium
<buZz>
vs any of the old stuff like qualcomm or samsung
<hitech95_peppy>
escalion: all arm related stuff is pricey in reference to smartphones (I have no idea why). exynox are powerfull but i'm not sure about the bsp/mainline status.
<diego71>
hitech95_peppy: qualcomm exited from server market
<buZz>
i mean, server ARM thats available -today-
<buZz>
not maybe some day
<hitech95_peppy>
diego71: yup but they are making soc for wind10. I think that linux will run on them!
<escalion>
I'm praying for the day microsoft kill off windows
<KotCzarny>
not going to happen, they dont have anything else
<buZz>
i think they're doing a swell job of that already
<diego71>
hitech95_peppy: don't be so sure... event intel made cpu that works only with windows
<buZz>
just need a bit more telemetry + some public scandal about it
<buZz>
diego71: which one?
<KotCzarny>
maybe they will buy-out linux, who knows
<buZz>
lol KotCzarny
<diego71>
some atom
<diego71>
i can look up if you are interested
<buZz>
never seen any atom incapable of running normal OS ever
<buZz>
do you mean , only works with windows 10 ?
<buZz>
that just means that intel/microsoft doesnt wanna package microcode updates for older
<escalion>
KotCzarny - it's technically impossible to 'buy' linux
<escalion>
too many stakeholders, a lot untraceable
<buZz>
back from when ppl looked at blinking LEDs and knew what they ment
<KotCzarny>
oh, right, you need more blinkenlichts on that webpotato
<buZz>
hehe yes, on todo for next is 'add a powerled'
<buZz>
because the SPI LCD inits so late in boot , even when compiled in kernel
<mickenx>
a number of switches to program the bootloader
<MoeIcenowy>
montjoie: what R40 MBUS problem?
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<buZz>
i need a bigger lcd for a true terminal to my pidp8 ;)
<MoeIcenowy>
montjoie, KotCzarny: I remember NEO+2 uses a single-chip 1GiB DDR3 solution
<buZz>
pidp8 is 1/3 scale , my current webpotato would be about 1/8 scale
<montjoie>
MoeIcenowy: the R40 usermanual state that cryptoengine need a MBUS clock, but I found no MBUS in dt header
<buZz>
lol wtf olimex >
<KotCzarny>
buzz, make 512*512 webpotatos and make them each display 1 letter
<buZz>
One of our customer has been working to 3D capture the TERES-I plastics for a while and he uploaded on GitHub and released the files GPLv3+ and the CC by SA 4.0 License.
<buZz>
why didnt they just get the original design files :P
<MoeIcenowy>
montjoie: there's no such a clock in user manual CCU chapter
<MoeIcenowy>
maybe it means the main MBUS clock
<MoeIcenowy>
not a gate
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<MoeIcenowy>
and in BSP ccu driver CE clock has also only two registers to control: BUS_RST0 & BUS_GATE0
<MoeIcenowy>
no DRAM_GATE
<escalion>
Moelcenowy: are you familiar with tcon0 pll_de and pll_mipi?
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<montjoie>
MoeIcenowy: so the usermanual for R40 is wrong, or they didnt test their driver
<MoeIcenowy>
yes
<MoeIcenowy>
escalion: not so familiar
<MoeIcenowy>
as you said pll_de I assume you are talking something w/ DE2?
<escalion>
Moelcenowy: I'm having issues with the disp2 driver putting the clock out at ~ 3 to 4 * (My scope isnt fast enough) the desired dclk frequency for mipi
<escalion>
There's so many layers to the driver that I am having an issue pinpointing exactly which pll it uses and where it is set... I'm currently digging through /path/to/disp2/de/lowlevel/disp_al.c
<montjoie>
MoeIcenowy: I just found that CLK_MBUS is defined in drivers/clk/sunxi-ng/ccu-sun8i-r40.h and not in include, why ?
<kilobyte>
buZz: if you allow states other than fully off and fully on (ie, more than one bit per pixel), tiny fonts can be a lot more readable: https://angband.pl/font/tinyfont.html
<buZz>
kilobyte: yes, antialiasing exists :P
<KotCzarny>
but on leds ;)
<buZz>
sadly MAX7219 isnt fast enough for that with 16 chained
<kilobyte>
can you drive a led halfway?
<buZz>
you could, if you blink em at fast enough
<KotCzarny>
kilobyte, depends how many spi modules you have to chain
<kilobyte>
that potato thing looks like a regular panel, so antialiasing would greatly help. Perhaps even subpixel could work.
<buZz>
totally, but good luck getting fbcon to support such fonts
<KotCzarny>
maybe just use fbterm that is a bit more sophisticated?
<buZz>
i dont wanna :P
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<buZz>
but kilobyte might want to
<kilobyte>
the limit of 8 pixels wide, 1 bit per pixel, is a CGA/EGA/VGA leftover
<buZz>
yeah, and doesnt exist on fbcon
<buZz>
hence my font is 4 pixels wide ;)
<kilobyte>
there's some talk going on about changing vt's internal structs to support Unicode rather than just 256/512 glyphs, this would require loading bigger fonts. So if the ioctls are to be extended, that's an opportunity to sneak in other improvements as well.
<kilobyte>
limited on current vt console, but once better Unicode support gets in, sky's the limit :)
<buZz>
libcaca was too standard?
<buZz>
ah, requires unicode
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<MoeIcenowy>
I have used a heavy patch
<MoeIcenowy>
to allow Chinese display on vt
<MoeIcenowy>
(otherwise when calling some command it will feedback a dish of tofu
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<MoeIcenowy>
it's firstly written by sunhaiyong and then kept updating by our community
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<buZz>
nice
<kilobyte>
MoeIcenowy: oooh, sounds interesting. Some parts like loading large font could be reused.
<buZz>
on vt or fbcon?
<MoeIcenowy>
the patch is 11M heavy
<MoeIcenowy>
fbcon
<MoeIcenowy>
vt w/o fb is not possible to inject font ;-)
<buZz>
right, i think i saw stuff for that around
<buZz>
MoeIcenowy: well :P
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<MoeIcenowy>
(the weight is mostly because of the font
<buZz>
MoeIcenowy: the font is -somewhere- in memory :P
<buZz>
but yeah, would make it quite limited
<kilobyte>
I for one can read only latin, cyrillic and runes (plus math-relevant greek), most non-CJK people would want just that + symbols. But there's enough symbols to make this worthwhile.
<MoeIcenowy>
(you know a Chinese font unfolded to an C array will cost a lot of space
<buZz>
uhuh
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<MoeIcenowy>
ah here's a CJK people (mostly use Chinese, rarely use Japanese)
<MoeIcenowy>
I think sunhaiyong did a more modular patchset in 2.6 era
<MoeIcenowy>
it might be still possible to find them
<buZz>
imho, they should make it upstreamable ;)
<MoeIcenowy>
but as he said, the kernel developers rejected the idea to show Unicode in fbcon
<buZz>
its usually easier to 'sell' such features by not making them mandatory
<buZz>
as in, not destroy current font stuff
<kilobyte>
I'm trying to piggyback over a current patchset needed for braille that looks like it has good chances of being accepted
<MoeIcenowy>
and as I know
<buZz>
worst case, just fork off fbcon inside the kernel
<MoeIcenowy>
there's now another patchset in Chinese world
<kilobyte>
at 8x16, a font for all of Unicode plane 0 is just 1MB of memory (assuming there's as many double-wide characters as missing code points (unassigned, surrogates, etc))
<MoeIcenowy>
yes it just get it work
<buZz>
uhuh
<MoeIcenowy>
and we need to implement proper setfonr
<buZz>
MoeIcenowy: also, thats over 7 years old
<MoeIcenowy>
(and it's now HiDPI era
<MoeIcenowy>
ah yes
<MoeIcenowy>
all patchset are maintained from that era
<MoeIcenowy>
both cjktty and univt
<buZz>
:)
<buZz>
we all need a hobby i guess
<KotCzarny>
i wonder why people prefer to learn 4k+ of character-words instead of just ~30 letters
<buZz>
culture
<MoeIcenowy>
and I think the current problem of fbcon is that it's based on a deprecated driver framework
<MoeIcenowy>
(fb)
<kilobyte>
MoeIcenowy: as a Chinese person, what's the size in pixels of your preferred terminal font? I wonder what size is needed to be readable.
<MoeIcenowy>
kilobyte: personally on non-HiDPI screens
<MoeIcenowy>
16x16
<MoeIcenowy>
the smallest known readable Chinese font is 8x8 (but it will be a Chinese subset
<MoeIcenowy>
KotCzarny: Japanese is more strange, it mixes Kanjis (Chinese characters) and Kanas (symbols that looks like kanji, but represent a fixed syllablle)
<MoeIcenowy>
and for kms there's now only user-space solution (kmscon)
<KotCzarny>
humanity as a whole had a chance to unify language (characters and words), but old habits die hard
<MoeIcenowy>
as userspace program, kmscon can properly call freetype
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<MoeIcenowy>
although for some languages I cannot imagine how can they display in fixed-width console ;-)
<MoeIcenowy>
e.g. Arabic
<KotCzarny>
:>
<MoeIcenowy>
and some south-Asia and southeast-Asia letters
<kilobyte>
well, if your userspace works well, you can just load X and use something full-screen. vt is primarily for repair tasks.
<MoeIcenowy>
yes
<MoeIcenowy>
so after fb is deprecated we may need some kkmscon ;-)
<kilobyte>
glyphs get reordered within a cluster when you add something at the end
<MoeIcenowy>
Unicode is a satan
<KotCzarny>
lol
<MoeIcenowy>
it can always generate strange behavior, or even crash, or even CVEs
<MoeIcenowy>
although I have seen someone paint with some not-well-designed Unicode characters
<MoeIcenowy>
these characters can get Y axis in a single line
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<kilobyte>
looks like kmscon is abandoned since 2013; a fork popped up but died in 2015
<MoeIcenowy>
but userspace app has stable ABI ;-)
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<hitech95>
guys does someone know a good book to read about alsa soc drivers? I'm learning right now. I'm reading Linux device drivers but it dn't contains anything about alsa :(
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