#linux-sunxi on 2025-08-20 — irc logs at oftc.catirclogs.org

2024-07-16 04:52 ChanServ changed the topic of #linux-sunxi to: Allwinner/sunxi development - Did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait for an answer! - This channel is logged at https://oftc.irclog.whitequark.org/linux-sunxi

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02:47 <wens> (facepalm)

02:57 <wens> etnaviv etnaviv: bound 7122000.npu (ops gpu_ops [etnaviv])

02:57 <wens> etnaviv-gpu 7122000.npu: model: GC9000, revision: 9003

02:57 <wens> [drm] Initialized etnaviv 1.4.0 for etnaviv on minor 1

02:57 <wens> yay

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07:07 <junari> wens: Is this a full GPU? or just npu part?

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07:20 <wens> npu

07:21 <wens> I don't have any board with A523 / A527, so I can't test whether it's actually disabled on non-T527 parts, or if it's just a BSP software thing

07:31 <junari> I have H728, can test, if you share your patch somewher

07:32 <wens> I haven't cleaned it up to be commitable yet

07:32 <wens> I finished the clock driver at 3AM last night, added the missing NPU clock and DT changes by 3:30 and broke my boards lol

07:36 <junari> classic case

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08:18 <junari> the price of the new a7a is very attractive. I wasn't planning on buying it because of the powervr, but now I'm having second thoughts

08:19 <junari> just only 325rmb for the 8GB version

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08:53 <MoeIcenowy> junari: theortically the GPU should be very close to the BXS-4-64, which is a target of pvr open source driver

08:53 <MoeIcenowy> although the pvr open source driver develops quite slowly

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09:42 <junari> looks like mesa only supports vulkan and a very small number of extensions

09:43 <junari> Perhaps A133 users know more

09:50 <wens> junari: yeah, the imgtech developers mentioned that they only plan on targeting vulkan, and if you need opengl / gles you can use zink

09:56 <paulk> the main issue is lack of wsi support

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09:57 <paulk> and img people said the ge8300 would need some quirks for texture handling that are not in mesa

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10:02 <junari> paulk: ... wsi support for powervr vulkan driver?

10:17 <paulk> junari: yes

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13:07 <junari> x96qproplus emmc https://forum.manjaro.org/t/allwinner-h728-a523-a527-t527-initial-support-thread/173654/26

13:17 <wens> what changed to make it work?

13:23 <junari> don't know exactly. There were many small changes over past few days

13:25 <junari> the last change was an increase voltage by 0.1v

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16:44 <apritzel> wens: so the mainline Vivante NPU driver worked out of the box, as soon as you had the required platform resources and the DT node in?

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16:52 <wens> yeah, it probed, but I don't have the setup to test actual inference

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16:54 <apritzel> details ... ;-)

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17:14 <BroderTuck> Good work on the NPU. Anyways, there's a v3 now of the auxdisplay driver, https://lore.kernel.org/linux-leds/20250820163120.24997-1-jefflessard3@gmail.com/T/#t

17:14 <BroderTuck> Some tweaks of the dt fragment required

17:15 <apritzel> BroderTuck: ah, thanks for the heads up!

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