#asahi-gpu on 2022-11-17 — irc logs at oftc.irclog.whitequark.org

2022-08-14 19:46 ChanServ changed the topic of #asahi-gpu to: Asahi Linux: porting Linux to Apple Silicon macs | GPU / 3D graphics stack black-box RE and development (NO binary reversing) | Keep things on topic | GitHub: https://alx.sh/g | Wiki: https://alx.sh/w | Logs: https://alx.sh/l/asahi-gpu

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04:02 <trsohmers> Greetings. I just purchased a M1 Max Mac Studio (and have a M1 Ultra one coming in a few weeks) and just installed Asahi. Has anyone been looking into GPGPU stuff?

04:07 <bluetail> trsohmers doubt it. GPU drivers are still in prod afaik. So GPGPU is probably still a road ahead.

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10:13 <marcan> trsohmers: there is no compute support at the moment. OpenCL might come in O(months) though.

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13:59 <opticron> heh, someone is going to read that as "0 months" instead of "bigO(months)"

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15:21 <alyssa> lina: In an effort to reduce the number of random branches flying around, the `main` branch of https://gitlab.freedesktop.org/asahi/mesa is now the canonical uptream for UAPI integration

15:22 <alyssa> Don't MR to it, the branch will be rebased and force-pushed as needed

15:22 <alyssa> But if someone wants to try AGX with Linux, that's the branch to use when building your own Mesa

15:22 <alyssa> Changes that don't depend on Linux UAPI should go upstream directly to mesa/mesa

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15:46 <Dcow_> alyssa: lina did some UAPI changes yesterday, is is branch contains them?

15:47 <alyssa> yes

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16:18 <alyssa> Pass: 2434, Fail: 656, Crash: 371, Warn: 2, Skip: 6292, Timeout: 3, Flake: 7, Duration: 3:20, Remaining: 0

16:18 <alyssa> piglit results.... so, we have a lot of work to do lol

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16:25 <austriancoder> @alyssa: quick question.. usc in the context of agx stands for what?

16:27 <alyssa> austriancoder: unified shader core

16:27 <alyssa> same as powervr

16:28 <austriancoder> Thx

16:28 <alyssa> the USC control words set up the shader

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17:00 <alyssa> stares at glPolygonMode(front=GL_LINE, back=GL_FILL)

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22:34 <jannau> plasmashell doesn't like mesa asahi/main. quits after "[destroyed object]: error 7: importing the supplied dmabufs failed"

22:34 <jannau> prime suspect is the stride check in agx_resource_from_handle()

22:37 <alyssa> uhoh

22:37 <alyssa> jannau: stride check went in last night ...

22:37 <alyssa> if it was working without that check though I'd expect mesa to crash shortly thereafter (with an assert fail)

22:42 <jannau> yes, a little strange. it was very stable with your rebased branch and lina's previous kernel

22:43 <alyssa> Hum

22:43 <alyssa> h

22:43 <alyssa> oh

22:44 <alyssa> jannau: https://rosenzweig.io/0001-for-jannau.patch

22:45 <alyssa> um it would help if I gave you a patch that built

22:45 <alyssa> fixed

22:54 <jannau> Xorg/Xwayaland doesn't seem to like that patch

22:54 <alyssa> :|

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23:02 <jannau> it fails unspecifically with "(EE) No devices detected." after probing dcp with "modeset(G0): using drv /dev/dri/card2"

23:03 <jannau> does asahi use modifiers other than linear? do we need to support them with dcp?

23:05 <alyssa> yes and no respectively

23:05 <alyssa> agx_twiddled_allowed should ensure DCP only ever sees linear

23:05 <alyssa> because stuff dcp sees has BIND_SCANOUT

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23:07 <jannau> drm.debug has nothing interesting for dcp

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23:15 <jannau> Xwayland is ok, plasma/wayland is stuck at startup

23:16 <alyssa> :v

23:16 <jannau> but not when started from tty

23:17 <alyssa> ?!

23:18 <jannau> startplasma-wayland but using plasma/wayland as session from gdm doesn't

23:18 <jannau> +works

23:21 <alyssa> and this worked before the stride patch?!

23:22 <jannau> nevermind, works now

23:23 <alyssa> blink

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23:25 <jannau> the log out/restart/shutdown dialog doesn't render

23:26 <alyssa> did it before?

23:26 <jannau> instead the screen gets bright

23:26 <jannau> it worked with the rebased branch

23:27 <jannau> without the stride patch it was impossible to get there

23:28 <alyssa> 23:27 < jannau> without the stride patch it was impossible to get there

23:28 <alyssa> ?

23:28 <alyssa> crash?

23:29 <jannau> no crash but terminiating plasmashell after "[destroyed object]: error 7: importing the supplied dmabufs failed"

23:33 <jannau> good night

23:33 <alyssa> nini

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