#asahi-dev on 2025-02-22 — irc logs at oftc.irclog.whitequark.org

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07:13 <nickchan> fwiw bit 16 is probably not gxf with bit 12 being more likely, but things like this is really hard to guess

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07:17 <nickchan> in this case m4 still has bit 12

07:18 <nickchan> gxf definitely still exist btw

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08:25 <mischa85> trying to bring up pmgr on t6041. m1n1 does find the /arm-io/pmgr node, but not ps-regs. so no pmgr, and no usb

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09:36 <jannau> mischa85: take a look at the adt. m1n1/adt.py will probably also fail to parse it without changes but you can change the failing parsing steps with Bytes()

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10:33 <mischa85> you might be onto something, adt.py says: Exception parsing /device-tree/arm-io/pmgr.devices value

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10:54 <mischa85> but: there just no ps-regs in DeviceTree.j616cap.im4p at all

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11:37 <mischa85> confirmed, there's ps-regs in t8132 devicetree, but not in t6041 devicetree

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11:40 <jannau> with the same macos version?

11:42 <chadmed> jannau: just an fyi ive pushed what i hope is the final series of upstreamable codec changes to https://github.com/chadmed/linux/commits/b4/apple-codec-changes/. i will submit monday or tuesday evening. if mark accepts them i will rebase my "cleaned up

11:42 <chadmed> version of the audio bits branch for you to pull if you wanty

11:45 <mischa85> yep: 15.1, comparing devicetrees right now

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13:04 <mischa85> also cannot find anything that looks like it. i know a bit about embedded but it takes nextlevel devicetree ninjanism to know what i'm really looking for

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16:07 <fl0_id> chaos_princess the apfs thing - would it help to have asahi-bless with no_std or which role / file would this apfs "driver" need to write to?

16:11 <chaos_princess> it is for the SEP gl file

16:12 <fl0_id> thx

16:13 <fl0_id> are there some docs on that somewhere?

16:14 <chaos_princess> https://github.com/AsahiLinux/docs/wiki/HW:SEP, ctrl+f "gigalocker/xart"

16:20 <fl0_id> chaos_princess thx

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16:23 <fl0_id> chaos_princess to play around with no_std a bit, I started replacing some std things in asahi-bless. maybe this will be useful for that

16:24 <fl0_id> f.e. there's a no_std hashmap crate which hopefully can work

16:28 <sven> hrm, why do we need no_std for apfs? do we need apfs for anything inside m1n1?

16:29 <leio> jannau: can you check https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/8227 ?

16:30 <leio> I guess need to re-enable color-mgmt to reproduce first

16:33 <sven> jannau: is there anything preventing us from submitting those dcp-related rtkit fixes from 010-soc?

16:35 <jannau> sven: I think 1 or 2 are used anymore and are leftovers from resetting dcp. there ios also one aop change in it. upstreaming it as soon as possible helps with the rust abstractions

16:36 <jannau> i.e. makes the rust branch on its own

16:36 <jannau> leio: I'll take a look

16:36 <sven> ok, so we can drop 1 or 2 and could submit the rest? wanna do that or should I take a look?

16:37 <sven> also, does anyone know why xhci-pci.c was renamed to xhci-pci-core.c in 150-xhci-firmware?

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16:40 <jannau> sven: if you have time please do. "soc: apple: rtkit: Add devm_apple_rtkit_free()" is not needed

16:40 <sven> ok

16:41 <jannau> I'm currently working on the gpu branch get closer to upstream / patches on rust-for-linux

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16:44 <jannau> xhci-pci.c was renamed due to the previous handling for the renesas firmware loading. That was changed in by 25f51b76f90f ("xhci-pci: Make xhci-pci-renesas a proper modular driver") in 6.12

16:45 <leio> jannau: thanks, I've never had that as we apparently had vulkan p.use.masked still accidentally on system gtk and such, so best if you check it out :)

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16:46 <sven> jannau: ok, so that xhci firmware handling needs looking at before we try to submit it

16:46 <jannau> sven: see v6.11..7fc439afc9282 for the orginal changes

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16:47 <fl0_id> sven afaik, as chaos_princess said, not full apfs, but just find some file, write some stuff to it. I'm still learning about it, but as they mentioned xart/gigalocker, it involves managing access to the xart (extended anti replay technology), the storage part of the SEP

16:48 <sven> right, but why do we need that in m1n1?

16:48 <sven> xart/gigalocker is continuous in the disk fwiw, so all we need to do is find its offset

16:48 <sven> *on

16:49 <sven> jannau: ack, so that commit likely needs a do-over now that the renesas part is a proper module

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16:50 <jannau> I think the idea for requiring sep/xart in m1n1 was authenticated 2nd stage chainloading but I would defer that until sep is working

16:50 <fl0_id> sven I don't know enough details. I just thought it could be a nice project to work on either for me as I only have an m3 or for others who want to do sth but do not have any hardware

16:51 <sven> not trying to stop you, just confused why we need all that complexity inside m1n1 :)

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16:52 <jannau> sven: ack. it was simplest way to it working after rebasing on the the renesas change

16:53 <chaos_princess> sven: in my case it is for the sep tracer

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17:01 <sven> okay, send out those rtkit fixes

17:01 <jannau> thanks

17:02 <sven> i'll let them sit on the ML for a week or two and wait for some reviews and then just pull them into asahi-soc/* for the next PR

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17:09 <sven> it would also be helpful to reviewed-bys or tested-bys on https://lore.kernel.org/asahi/20250220-dwi-dt-v1-0-d742431c7373@gmail.com/ and https://lore.kernel.org/asahi/20250220-dwi-dt-v1-0-d742431c7373@gmail.com/ before I can merge them

17:09 <sven> oh, they are only two days old. i somehow thought there were already on the list a while longer

17:16 <leio> they were also the same link twice (accidentally?) btw

17:16 <sven> https://lore.kernel.org/asahi/20250220-caches-v1-0-2c7011097768@gmail.com/ was supposed to be the second one

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19:53 <nicolas17> "iBoot: Apple's bootloader. Can refer to iBoot1, iBoot1, or any of iBSS, iBEC, or even the SecureROM itself"

19:53 <nicolas17> was that supposed to be "iBoot1, iBoot2"?

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20:02 <nicolas17> were all wiki pages moved to the new mkdocs site?

20:07 <jannau> the docs site is based on the wiki git repo: https://github.com/AsahiLinux/docs/graphs/contributors

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20:18 <nicolas17> should the wiki pages be replaced with links to the new docs site?

20:19 <nicolas17> https://alx.sh/fs still redirects to the old wiki

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20:57 <mischa85> about the missing ps-regs on t6041: could it be the offsets moved to the devices node? for example -> t6031: "index": 26,

20:57 <mischa85> "map": 7,

20:57 <mischa85> "name": "ATC0_USB_AON"

20:57 <mischa85> "id2": 166,

20:57 <mischa85> and t6041:

20:57 <mischa85> "index": 0,

20:57 <mischa85> "unk1": 512,

20:57 <mischa85> "unk2": 50331848,

20:57 <mischa85> "id2": 289,

20:57 <mischa85> "name": "ATC0_USB_AON"

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23:10 <chaos_princess> im kinda not sure what to do w/ isp series v2. i rewrote the thing to use iommu-dma instead of drm mm, but that needs the apple,dma-range support, and it does not apply cleanly w/o the locked dart series that is currently in review

23:11 <chaos_princess> alyssa jannau: wdyt?

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23:31 <chadmed> given that isp such an enormous patch set it might be worth waiting until the locked dart stuff lands in a finalised form. hopefully it won't be too much longer

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23:54 <leio> fwiw, I spotted https://github.com/AsahiLinux/linux/blob/asahi/drivers/soc/apple/Kconfig#L89-L101 saying "persent" instead of "present"

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