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<Putti>
Hi, I'm trying to understand the new sun4i_backend.c/h code in the drm subsystem. There is this definition "#define SUN4I_BACKEND_LAYCOOR(x, y) ((((u32)(y) & 0xffff) << 16) | ((u32)(x) & 0xffff))". Why cannot it simply be "(y) & 0xffff) << 16) | ((u32)(x)" like it is in the case of sun8i_ui_layer.c?
<Putti>
ah sorry, I copied wrong line of code, in sun8i_ui_layer.h the similar definition is "((y) << 16 | (x))"
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<Putti>
is this some sort of endianess convertion?
<Putti>
in tegra drm code they do "(state->crtc_y & 0x3fff) << 16 | (state->crtc_x & 0x3fff);"
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<ullbeking>
16:38 <smaeul> and H6 has broken PCIe, so your best bet is to get an H6 board with USB3 and do USB3 to SATA
<ullbeking>
ew, that's exactly the sort of thing i'm trying to avoid
<KotCzarny>
what are your contraints?
<KotCzarny>
*constraints
<ullbeking>
KotCzarny: i don't have many constraints, except i want ethernet to be real ethernet and sata to be real sata
<ullbeking>
i don't cat about wifi
<ullbeking>
are
<KotCzarny>
then a20
<ullbeking>
care*
<ullbeking>
ok, ty
<KotCzarny>
if you want allwinner
<ullbeking>
yes
<ullbeking>
brb
<ullbeking>
oh, incidentally, btw, i've started looking at nano pi and nano pc lately
<ullbeking>
they're quite cool (i was alwasy opi person before that)
<KotCzarny>
as long you apply proper cooling
<ullbeking>
do they get got?
* ullbeking
is rummaging around trying to find "that" table
<KotCzarny>
small board == worse heat dissipation
<ullbeking>
ok, here we go, hopefully this is up to date:https://linux-sunxi.org/Table_of_allwinner_based_boards
<ullbeking>
13:57 <KotCzarny> small board == worse heat dissipation
<ullbeking>
maybe that's why so many people were complaining aout the rev1.4 opi zero's overheating, i dunno, no idea
<KotCzarny>
that one has it's own design problem
<kilobyte>
try Odroid-U2 if you want an extreme radiator-to-board ratio. And they sell a fan atop of that. :p
<ullbeking>
KotCzarny: is there really a problem with the 1.4 opi zero? i've heard other people say it's fine
<ullbeking>
kilobyte: yes, i've looked at that too
<KotCzarny>
one of them had
<ullbeking>
i'should also get ont to add to my collection
<ullbeking>
KotCzarny: so if i want to use opi zero, am i sol?
<KotCzarny>
good cooling + usb-sata bridge should be fine
<KotCzarny>
uasp capable
<KotCzarny>
jms578 is quite nice
<ullbeking>
nice, thanks for the tip
<KotCzarny>
i think orange 'nas' hat uses it
<ullbeking>
i don't understand why they call it a nas
<ullbeking>
it doesn't even do sata
<KotCzarny>
because it allows hdd connection?
<ullbeking>
yeah i know
<ullbeking>
but it's drawing a long a now imo
<ullbeking>
bow8
<ullbeking>
bow*
<KotCzarny>
seen worse
<ullbeking>
really?
<KotCzarny>
see raspberry nas hat
<KotCzarny>
:>
<ullbeking>
i actaully briefly considered buying one of those new rpis
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<ullbeking>
thankfully sense prevailed
<ullbeking>
anyway, at least opi +2e i back, hooray!!
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<ullbeking>
KotCzarny: what is your favorout allwinner-based board?
<KotCzarny>
all have their uses
<ullbeking>
(i can't seem to type today, ugh)
<ullbeking>
diplomatic answer
<KotCzarny>
but feature wise i like bpim1 and opi+2e
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<ullbeking>
i love the minimalism of the opi zero, but having to put heatsinks on it, etc, kind of defeats the purpose
<KotCzarny>
you can glue it to some metal surface
<KotCzarny>
with thermal glue
<ullbeking>
reallly?
<ullbeking>
doesn't it have to be glued the the ic's dip?
<KotCzarny>
yes
<KotCzarny>
that's what i meant
<ullbeking>
and it's easy?
<KotCzarny>
if you find 0.5-1cm thick 20x20mm alu/copper block, yes
<ullbeking>
hang on wait
<KotCzarny>
(as an extension)
<ullbeking>
i thought xunkong made heatsinks
<ullbeking>
where am i going to get a copper block of those dimensions/
<ullbeking>
?
<KotCzarny>
aliexpress? local scrap yard?
<ullbeking>
i'll look now
<KotCzarny>
keep in mind i'm partly joking
<ullbeking>
i can't tell :-/
<KotCzarny>
since i dont know what you are building
<KotCzarny>
any heatsink + providing minimal airflow over it will be enough
<ullbeking>
i'm doing the following...
<ullbeking>
i'm returning to soldering and "doing" electronics after a very, very long hiatus
<ullbeking>
and i have a LOT to relearn
<ullbeking>
so soldering gpio pins, etc, is still a challenge
<ullbeking>
my #1 priority for using opi is to flash boot loaders, coreboot, etc
<ullbeking>
so that means i am also spending a lot of time paying attention to power supplies
<ullbeking>
i have just move into a studio so i can actually have some workspace
<ullbeking>
trying to do this sort of stuff at home when you have a 22-month daughter doesn't quite work ;-)
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<kilobyte>
top shelf?
<ullbeking>
kilobyte: wdyn?
<ullbeking>
wdym?
<KotCzarny>
i guess it means 'hide dangerous fragile stuff on top shelf'
<ullbeking>
hahahaha, lol
* ullbeking
wipes a tear from his eye
<kilobyte>
anywhere beyond the daughter's reach
<kilobyte>
new board, placed on the desk, powered on, no cover. Cat barges in, dripping wet. The good place to lay on is obvious (caring about jagged board is for the weak)...
<ullbeking>
she's learned how how to stack her high chair and and other chair to devise precarious "ladders" so she can reach ANYTHING
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<ullbeking>
brb bidding on a wd red on ebay
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<ullbeking>
bah, ebay sucks. somebody else won with a bid that was lower than mine
<ullbeking>
aaaaaanyway
<ullbeking>
whatevs
<ullbeking>
assuming that table is up to date, i need to find an opi and an a20 processor and real sata, if such a thing even exists
<KotCzarny>
there was an a20 orange
<KotCzarny>
but most likely you find used bpi m1
<KotCzarny>
it's the only bpi board (pre sinovoip) worth looking into
<ullbeking>
yeah, it desn't look like sata is much of a priority for xunlong these das
<ullbeking>
days
<KotCzarny>
its not xunlong
<KotCzarny>
allwinner decided that sata is not needed for most
<ullbeking>
i know the bpi is not xunlong
<ullbeking>
ohhh, right because it's a soc
<ullbeking>
i'll check out this bpi m1
<ullbeking>
is ebay the best place?
<KotCzarny>
you will only get 2 cores at 1ghz, mind you
<KotCzarny>
and 1-2usb ports
<ullbeking>
that's cool
<KotCzarny>
on the plus side, you can add li-ion 18650 battery as a ghetto ups
<ullbeking>
if i needed something bigger and more power i'd get maybe an olimex or an apu2c4
<KotCzarny>
or espressobin
<ullbeking>
ooh yes, how could i forget
<ullbeking>
are any of these capable of running pfsense?
<ullbeking>
(just curious)
<KotCzarny>
that freebsd?
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<ullbeking>
yeah
<KotCzarny>
i think there is some support for allwinner chips
<KotCzarny>
you should browse supported socs/boards
<ullbeking>
i do like the espressobin and macchiatobin though. when i was waiting for them because i wanted to biuld a nas, people were saying to wait for espressobib/macchiatobin but it seemed like vaporware at the time time
<ullbeking>
but now they really exist so yay!
<ullbeking>
if i were to build a cheap diy nas from an sbc i'd probably choose one of those
<ullbeking>
14:37 <KotCzarny> you should browse supported socs/boards
<ullbeking>
14:39 <KotCzarny> nah, in freebsd related pages
<ullbeking>
by this i assume you mean blog posts, etc, not official man pages, right?
<ullbeking>
my plan is this:
<KotCzarny>
i suspect they have their own list of compatible hardware
<ullbeking>
get my development kit based on opi set up properly so that flashing boot loaders is reliable. this will get me used to soldering stuff onto sbcs, etc
<ullbeking>
in the meantime, the home nas is a distraction
<ullbeking>
i've decided to buy a synology and a nuc and be one with it
<ullbeking>
all my crazy experiments can happen in my studio
<ullbeking>
after i get more familiar with the opi zero or opi +2e, then maybe i will extend out to building a nas from this
<ullbeking>
but i already have a nas and plans to deplay it
<ullbeking>
plans to deploy* it into colo
<ullbeking>
my main problem is that i forgot how to solder and am still learning, trying to get back back into it
<KotCzarny>
at least soldering is more satisfactory than writing/debugging java code
<ullbeking>
oh lord yes
<ullbeking>
finally i get to move aroud a bit
<ullbeking>
use my hands
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<ullbeking>
when i was a lot younger i was a lot better at it, but that's because i had my father helping me (he was an rf engineer). he passed away a few years ago, right around the that i want to dive right back into electronics.
<ullbeking>
14:31 <KotCzarny> but most likely you find used bpi m1
<ullbeking>
where would you recommend trolling around for a second-hand one of these?
<ullbeking>
14:32 <KotCzarny> it's the only bpi board (pre sinovoip) worth looking into
<ullbeking>
ebay is getting very boring but of course it's the first stop
<ullbeking>
ok cool, there are some there
<ullbeking>
KotCzarny: bpi m1 (strictly m1) or will bpi m1 plus be good enough too
<ullbeking>
?
<KotCzarny>
lets go to #h3droid, i dont want to offtopic on this channel so much
<ullbeking>
ok cool, didn't realize realize we were drifting so badly
<paulk-gagarine>
in order to reach the second stretch goal
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<paulk-gagarine>
oh 400 actually
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<wens>
is the requests api close to being merged? I imagine that would be a big blocker
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<hanetzer>
paulk-gagarine: fuck yeah!
<aholza>
Hi, I am trying to build a u-boot for a Allwinner H6, did the build and tried to put it on a sd card and booting but I cant see anything, any hints on where to place the u-boot on the sd card?
* vagrantc
guesses H6 also needs arm-trusted-firmware
<paulk-gagarine>
wens, well, someone apparently sent an alternative proposal
<paulk-gagarine>
so it is still a blocker
<ullbeking>
Has anybody gotten one
<ullbeking>
of the new OPi +2E?
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<ullbeking>
Is it the same as the old one (as from from extra memory)?
<ullbeking>
Ever since the OPi Zero “unannounced new revision debacle”, I’ve become paranoid and every time they get new stock of an old product I wonder if it’s got some screwy adjustments.
<ullbeking>
I’m thinking of ordering a few and making a little cluster, but I’m wary of not getting what I expect.
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<tkaiser>
ullbeking: You know that 'native SATA' on A20 is a lot slower than USB3 attached SATA these days? Both wrt sequential *and* random IO...
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<ullbeking>
tkaiser: thank you for bringing that to my attention. a very important point to consider.
<tkaiser>
ullbeking: But of course you need a good and UAS capable SATA bridge. And sometimes even firmware updates for the bridge chip. That's the beauty of 'native' SATA: just works (even if slow).
<ullbeking>
tkaiser: thank you so much
<ullbeking>
tkaiser: btw, have you used the new OPi +2E?
<ullbeking>
I’m wondering if it differs in undesirable or convoluted ways from the original
<tkaiser>
No, I only had the old one from 2016. Now given away or sold as almost all other Allwinner boards I had.