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
<eiln>
might anyone know why accel chrdev is crw------- whereas drm is crw-rw-rw- ?
<eiln>
i'd assume they should result in the same dev without chmod 666
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<jannau>
eiln: udev rules for drm card*/renderD* but missing for accel
<jannau>
ChaosPrincess: did you ever find out how I broke the touchscreen driver on j293?
<ChaosPrincess>
Using cs-gpios the "right" way just does not work on that for some reason
<jannau>
sounds like it might just not the default cs pin so the spi device uses a different pin
<jannau>
does macos ever uses the spi device directly?
<ChaosPrincess>
Macos also does manual cs for this device
<ChaosPrincess>
whats actually weird is that i tried to use spi core support for gpio as cs and that didnt work either
<ChaosPrincess>
all reads are just FF if i try to do that
<jannau>
did you add spi-cs-{hold,inactive,setup}-delay-ns to at least match the delays you currently have?
<ChaosPrincess>
Yep, and even with 2x the delay for good measure
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<jannau>
I suppose the touchbar daemon will break with my udev rule setting LIBINPUT_IGNORE_DEVICE for the device. I'll look if there's another solution to avoid offering the touchscreen per default
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<ChaosPrincess>
Also, sddm apparently doesnt really understand what non-desktop means and grabs the kms lock anyway.
<jannau>
probably not sddm but systemd / udev seat handling. maybe it's enough to tag the touchbar devices to not belong to any seats
<jannau>
short search shows that that might not work as expected. workaround could be to assign them to a seat "touchbar"
<jannau>
I'll play with that tonight and add j493 support for the touchscreen in a non-breaking way
<jannau>
ChaosPrincess: have you tried to just replace the explicit usleep_range() with spi-cs-{hold,inactive,setup}-delay-ns?
<ChaosPrincess>
So, toggle the cs gpio from driver code, but use spi core delays?
<ChaosPrincess>
havent tried that
<_jannau__>
yes, makes the driver a little bit simpler if t works
<marcan>
sven: awesome!
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<mps>
sid-linux: fyi, after upgrade chromium to 114 it works also on s314s (m1pro), alpine linux
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<_jannau__>
chromium updates probably invalidate the shader cache as well
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<sid-linux>
mps: thanks ! basically if I understood you correctly -- upgrading to chromium 114 also fixes the problem? (did you also confirm that hardware acceleration is still on in 114?)
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<mps>
sid-linux: how can I test this
<mps>
sid-linux: and this subject is better to discuss on #asahi-alt
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<jannau>
ChaosPrincess: nice, tiny-dfr works on j493. unfortunately with more modifications than I would have liked
<ChaosPrincess>
jannau: such as?
<jannau>
have you already tried to optimize the button rendering? I think they could be brighter and the text could be larger/bolder
<ChaosPrincess>
I used the same color as macos
<jannau>
adp is for me consistently card1, the touchscreen driver works only if I keep reset high
<ChaosPrincess>
Yea, its wouldnt be hard to change it to search for correct card
<ChaosPrincess>
and whats with the reset?
<jannau>
still trying to make it work with sddm/Xorg. assigning the touchbar devices to a special seat doesn't seem to work
<ChaosPrincess>
jannau: have you tried to change touchbar brightness? It has a reat backloght device
<jannau>
not sure what's up with the reset_gpio. I had to change the "gpiod_direction_output(z2->reset_gpio, 0);" back to 1 in apple_z2_boot
<jannau>
haven't looked into it, just compared what differs to the previous working branch
<ChaosPrincess>
jannau: set the gpio to GPIO_ACTIVE_LOW in dts
<jannau>
display is better with increased backlight brightness
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<jannau>
marcan: would you object shipping a sddm git snapshot with wayland support? Xorg/modesetting is annoying wrt to the touchbar display
<jannau>
alternatives would be either to patch the modesetting driver and ship it or switch away from sddm
<ar>
huh. sddm hasn't had a release since November 2020
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<jannau>
I think I can get away with a 3 line patch for modesetting (and a modification to the adp driver). not too bad but annoying to carry a custom xorg-server package
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<ChaosPrincess>
jannau: changed the daemon to scan all drm devices and made it manage the backlight automatically, feel free to check out the search code
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<chadmed>
urgh carla is broken again
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<psykose>
in wayland? i've had better luck with QT_QPA_PLATFORM=xcb thru xwayland
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<chadmed>
nah idk what it is this time, glibc is sending it SIGABRT
<chadmed>
something in libcarla is hitting __stack_chk_fail
<chadmed>
same behaviour observed with clang and gcc
<psykose>
usually a stack overrun
<chadmed>
yeah, the fun is trying to find where
<chadmed>
and why the same build works on my x86 machine
<psykose>
ime things that crash like that also give quite useful asan backtraces, but you would have to locally rebuild
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<chadmed>
oh this is gonna be fun
<chadmed>
it works with asan
<psykose>
what's the backtrace on the regular version
<chadmed>
ah its at CarlaBackend::CarlaEngineJack::getTimeInfo() hmm
<psykose>
doesn't ring any bells
<psykose>
but i've only used it via pipewire-jack myself
<chadmed>
yeah i dont use real jack anymore, this is pipewire-jack
<chadmed>
the patchbay is all fine etc
<chadmed>
yeah it stops dying if i change the engine backend to PA but that is obviously not ideal