#panfrost on 2023-01-26 — irc logs at oftc.irclog.whitequark.org

2022-12-21 00:45 ChanServ changed the topic of #panfrost to: Panfrost - FLOSS Mali Midgard + Bifrost + Valhall - Logs https://oftc.irclog.whitequark.org/panfrost - I don't know anything about WSI. That's my story and I'm sticking to it.

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12:00 <mps> panfrost driver on T620 in samsung exynos 5800 SoC (peach pi) is terribly slow for me

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12:01 <mps> mesa 22.3.3, xorg 21.1.6 and mainline kernel 6.1.8

12:01 <mps> alpine linux distro

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13:57 <jenneron[m]> mps: use https://gitlab.com/exynos5-mainline/linux

13:59 <jenneron[m]> you can also install postmarketOS which packages it

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14:07 <mps> jenneron[m]: thanks for info, will look at both

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15:27 <mps> jenneron[m]: hm, on this kernel display doesn't work

15:29 <mps> same already happened with 6.1.7 mainline kernel but it is 'fixed' in 6.1.8

15:32 <jenneron[m]> hm, it works in peach-pit

15:33 <jenneron[m]> I will rebase it to 6.1.8

15:35 <mps> thanks in advance

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16:41 <jenneron[m]> mps: does it happen in pmOS too? i guess maybe different due to panel-edp built-in or module or something else. it worked for me on peach-pit on 6.1.7

16:41 <jenneron[m]> i can't rebase right now because of power cut and poor internet connection, but i will do that later

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16:49 <mps> jenneron[m]: I will try current one but with minimal changes in config

16:51 <jenneron[m]> completely offtopic, but you will also probably want these ucm configs https://gitlab.com/jenneron/pmaports/-/tree/master/device/testing/device-google-peach-pi/ucm

17:00 <mps> I think I have it already but will check, just in case

17:06 <mps> jenneron[m]: also OT but iiuc you have peach-pit. do you use u-boot on it or packed kernel in vmlinux.kpart

17:06 <jenneron[m]> u-boot

17:06 <jenneron[m]> https://gitlab.com/exynos5-mainline/u-boot

17:07 <mps> I use upstream u-boot on peach-pi, and it works though have annoying bug. pressing any key shows warning msg

17:08 <jenneron[m]> yeah i silenced it in this u-boot fork

17:08 <jenneron[m]> i usually don't have enough knowledge to fix things properly

17:09 <mps> hah, looks like this https://gitlab.com/exynos5-mainline/u-boot/-/commit/2f62658ca407745e25ef38e6940fc0608bbaa1b4

17:09 <jenneron[m]> also upstream defconfig doesn't enable usb

17:11 <mps> I will try your one

17:11 <mps> I reported bug upstream but no one have idea how to fix it

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17:28 <jenneron[m]> it may worth to bisect it

17:34 <mps> I tried to bisect mainline but didn't got final commit which work (probably because I'm disorganized too much)

17:58 <mps> jenneron[m]: ah, you are pmOS developer?

17:59 <jenneron[m]> yes

18:00 <mps> nice to know

18:01 <mps> (I'm dev on alpine)

18:02 <mps> your u-boot fixed this annoying keyboard bug, thanks

18:03 <mps> sorry to other people here for oftoppic

18:13 <jenneron[m]> mps: we have #linux-cros-arm on oftc for these topics

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19:26 <jenneron[m]> mps: rebased https://gitlab.com/exynos5-mainline/linux

19:27 <mps> jenneron[m]: thank you. did you created tagged tarball

19:28 <mps> ah no, I see

19:29 <jenneron[m]> mps: https://gitlab.com/exynos5-mainline/linux/-/archive/master/linux-master.tar.gz

19:29 <jenneron[m]> will make a tag after testing it

19:30 <mps> I used my APKBUILD and just changed source to your tagged release

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19:57 <mps> jenneron[m]: no luck, display is blank with new kernel

20:01 <jenneron[m]> mps: do you have initramfs? panel is module there iirc

20:02 <mps> which panel?

20:02 <mps> I used my config for mainline where display work, and not initramfs

20:05 <jenneron[m]> mps: CONFIG_PANEL_EDP i think

20:05 <mps> I have CONFIG_DRM_PANEL_EDP=y

20:05 <jenneron[m]> try pmOS. if it doesn't work either, connect ethernet adapter or phone and ssh into it

20:05 <jenneron[m]> take dmesg from ssh

20:06 <mps> let me find pmos kernel pkg

20:07 <jenneron[m]> it might be easier if you run pmbootstrap install --sdcard /dev/sdX on another sd card

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20:09 <q4a> exynos is good platform, but looks like it's offtopic

20:10 <mps> q4a: sorry

20:11 <jenneron[m]> mps: I suggest to continue in #linux-cros-arm

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