ChanServ changed the topic of #asahi-dev to: Asahi Linux: porting Linux to Apple Silicon macs | Non-development talk: #asahi | General development | GitHub: https://alx.sh/g | Wiki: https://alx.sh/w | Logs: https://alx.sh/l/asahi-dev
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<kevans91>
maz: hey, is the cs v3.2 hardware reasonably functional in its current state?
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<maz>
kevans91: functional enough for me! it really is v3.1 with minor changes that I consider forward looking, and there is no SW-visible difference between any of the v3 revisions. if you're building it, let me know how it fares!
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<sven>
fwiw, since I replaced the usb connectors my board has been very stable now
<sven>
that's v1 though I think
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<kevans91>
maz: perfect, thanks!
<kevans91>
on a totally unrelated note, if anyone wants some unpopulated cs v3.1 PCBs for the cost of shipping from the center of the US, I'll havw 3 from OSHPark in a couple weeks
<kevans91>
I ordered them then realized that the 3.2 BOM is easier for me to source, but the pcb layout is just different enough that it's mot worth my time to figure out if I can pull some hackery to make it work... but OSHPark helpfully expedited my order since they had some extra space
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<jannau>
how would chromium on fedora end up to with sigill (iff bti is enabled) in __libc_start_main@plt ? backtrace is not not useful, only frame below is _start with 'bti c' but the function call is a bl, unfortunately it branches to different address than I end up at
<maz>
kevans91: yeah, I switched a couple of things for that exact reason -- the connectors were not easily sourced outside of the LCSC catalog.
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<sven>
I don't think these usb2-only-type-c connectors are even made outside of china ;)
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<maz>
sven: quite possibly. v3.2 is using a good old trusted full fat Molex, which is a bit of a pain to route. but at least, you can it anywhere.
<kettenis>
jannau: that is puzzling indeed; is it at the first instruction of __libc_start_main@plt?
<_jannau__>
I don't know. it's the 3rd instruction according to gdb's disassembly but I don't really trust that. the two previous instructions are nops
<kettenis>
the bootstd stuff is still somewhat in flux and buggy
<kettenis>
not sure on what timescale this will be all sorted
<_jannau__>
no worries, it would have been a convenient method to recover the fedora installs with broken grub configuration if it had worked
<kettenis>
__jannau__: that suggests it jumped into the middle of the PLT stub?
<kettenis>
(we have BTI enabled for almost everything on OpenBSD)
<kettenis>
but having a PLT entry start with NOPs is weird
<kettenis>
so gdb might indeed be lying to you
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<eiln>
single planar api, no userspace patches, no loopback, 1280x720 33FPS, <1sec to first frame
<eiln>
ffmpeg, vlc, gst all work ootb
<eiln>
code isn't superb but I consider this usable
<eiln>
PR?
<_jannau__>
eiln: \o/ great. If you think a PR is fine then create a PR. we've certainly merged things for testing which still had issues
<eiln>
oke, will do
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<_jannau__>
does the single planar api uses YUYV/YUV2? any idea why you only get 33fps? is that a hw/fw/config issue or is it related to the single planar format? I would have expected that the camera/isp delivers 60fps
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<sven>
yeah, PR sounds good! and nice work :)
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<eiln>
jannau: it's not really single planar, I just hacked it to get it working with the single planar api. to userland it's NV12. as for the frame rate that's what macos sets it as. will see if we can go higher, but all those filters do take time
<sven>
yeah, just tested it with quicktime on macos, it also records at 30 fps by default
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<_jannau__>
a quick search suggest macos uses only 25 or 30 fps so might be an limitation of the sensor
<_jannau__>
eiln: ah. are you using single buffer with page aligned luma and chroma?
<eiln>
jannau: precisely
<eiln>
should be same as iphone 5s specs, which says 1280 x 720 (30fps)
<_jannau__>
I expected something more advanced than a 7 year old iphone (at the time of the m1 release)
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<eiln>
all their cameras share the same driver, so they cheaped out
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<alyssa>
eiln: fedora release bonus feature? \ o /
<eiln>
alyssa: hopefully. rushing before the deadline, as always
<eiln>
this thing is a damn memory hog btw. fw requests about 0x9000000 in shared surfaces. dont think speed was their top priority
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<jannau>
that sounds outlandish. if used for video would be over 3 seconds of video
<jannau>
fedora release dead line got extended. there will be no release this month
<alyssa>
getting extensions on deadlines, woohoo!
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<iaguis>
awesome work!
<iaguis>
IIUC m2 laptops have a different camera (1080p) so I guess supporting them will require more work, right?
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<eiln>
iaguis: not that much. all their cameras share the same driver, which is why this is as big as it is. we list sensors up to the XS Max (VD56G0), though we probably won't ever need that. probably just boilerplate with output presets & different filters, if required
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<eiln>
iaguis: do you have the hw? if I can get a log (from macos) I can try
<ChaosPrincess>
the camera is different on basically everything that is not m1, and the adt is a lot thinner in the new ones.
<alyssa>
ChaosPrincess: is thin adt good because simpler hardware or bad because less info on the hardware
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<povik>
18:17 <@alyssa> getting extensions on deadlines, woohoo!
<povik>
woo!
<iaguis>
eiln: I have an M2 macbook air, happy to get logs from macos
<ChaosPrincess>
alyssa: id say closer to "less quirky hardware" in this case
<alyssa>
:D
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<eiln>
f I can't find that one command with the predicates. were gonna do this the stupid way
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<eiln>
log show --last 5m --info --debug | grep -iF camera
<eiln>
iaguis: do you mind opening/closing the photobooth app & running that command? preferrably after a fresh boot, but not is okay