#asahi-gpu on 2022-11-11 — 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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02:36 <alyssa> Passed: 914/940 (97.2%)

02:36 <alyssa> uhm. getting there

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03:45 <alyssa> Passed: 939/940 (99.9%)

03:45 <alyssa> bah, that's like, most of them

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04:48 <RiskRunner0> Hi! Just installed asahi today, awesome project! I'd love to help, is there an issues list somehwere?

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20:13 <jannau> I wonder how large disp0's iova space is. no vm-size property in t600x ADT for dart-disp0, so it could be (36-bit)

20:15 <jannau> t8103 has a vm-size of 0xfc00_0000 which appears more of a suggestions since linux starts mapping at the top end of the full 32-bit space

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21:38 <alyssa> jannau: I mean... the bigger question I have is why random window surfaces are getting allocated against the dcp

21:39 <alyssa> the simple answer is "because they're allocated with PIPE_BIND_SCANOUT which means allocate against the display"

21:39 <alyssa> but ... why is that BIND flag being set ...

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22:09 <jannau> increasing the address space doesn't doesn't fix leaks. this was more a thought if there's enough fb address space for 9 display setups on the m1 ultra

22:09 <alyssa> ah

22:09 <jannau> gbm_bo_create_with_modifiers() always sets GBM_BO_USE_SCANOUT

22:09 <alyssa> grumble

22:10 <alyssa> can it not do that? because that's stupid and causes real problems on other platforms

22:10 <alyssa> oh, you're supposed to use gbm_bo_create_with_modifiers2 instead .. ok

22:11 <jannau> yes

22:12 <alyssa> wlroots calls the old one but with USE_SCANOUT ..

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22:23 <jannau> the culprit for glxgears seems to be dri3_alloc_render_buffer() src/loader/loader_dri3_helper.c line 1526

22:25 <jannau> https://paste.debian.net/1260400/

22:33 <jannau> is draw->is_different_gpu expected to be false?

22:44 <jannau> I guess so, that is for PRIME and not kmsro

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22:49 <alyssa> I try not to learn too much about WSI ... what's PRIME? ;-)

22:53 <jannau> integrated + discrete gpus in laptops

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23:26 <alyssa> I see