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m][sko

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Posts posted by m][sko

  1. I was able to boot

    with this branch

    https://github.com/jhovold/linux/tree/wip/sc8280xp-v6.2-rc8

    and with microsoft dev kit patches on top of that

    https://github.com/shawnguo2/linux/commits/devkit-dt-6.2-rc5

     

    and this kernel command line

     clk_ignore_unused efi=novamap earlycon=efifb console=efifb 

     

    build in ethernet don't work as not all usb-c ports are active

    so you will need to connect usb-c ethernet  to usb-c ports on the side

     

    for speed

    Cpufreq-info show 3GHz but device is running as on lowest freq(800MHz) as that is my experience with running benchmarks 

  2. On 3/29/2020 at 1:05 PM, jock said:

    I can take a look, but did you use armbian with some hand-compiled things or another image of sort?

    PURE ARMBIAN :)

    sudo BETA=yes EXPERT=yes ./compile.sh

    and choose your RK3288 board :)

    and as OS choose ubuntu 20.04

    and then server

    and then instal gnome

    apt install ubuntu-desktop

    everything should run out of the box :)

     

    for the first time we should have working ubuntu gnome with gpu accleration on many boards

    lima and panfrost is working JUST fine :)

  3. 2 hours ago, NicoD said:

    Are you monitoring the voltage of your board? What board do you use?
    How about other clocks like 500MHz?
    What kernel are you using? Good luck.

    My board is some HDMI dongle like device with RK3288

    but is is powered from micro usb

    Kernel version: 5.5.11

    I didn't modify  kernel dts files

    so I didn't add 500Mhz :)

     

  4. I am testing RK3288 with ubuntu 20.04 (gnome) btw NICE

    And I have some problems with panfrost and I am looking for anybody with RK3288 device that can confirm or not same behavior.

    Problem is that when I switch GPU to 600MHz

    sudo bash -c 'echo "userspace" > /sys/class/drm/card1/device/devfreq/ffa30000.gpu/governor'

    sudo bash -c 'echo "600000000" > /sys/class/drm/card1/device/devfreq/ffa30000.gpu/userspace/set_freq'

     

    and when I run glmark2-es2 or glmark2-es2-wayland

    I start to see https://pastebin.com/NuYqHdxH  in kernel.log

     

    So I made bugreport(https://gitlab.freedesktop.org/mesa/mesa/-/issues/2693) for panfrost and they think that problem is in low voltage on gpu

    as everything is fine on 400MHz

     

    So anybody can try?

    just build ubuntu 20.04 for your RK3288 device

    sudo BETA=yes EXPERT=yes ./compile.sh

    server build should be fine

    and then apt install ubuntu-desktop

    ubuntu 20.04 has almost latest mesa so everything work just fine

  5. 8 hours ago, Igor said:


    Where do you think they came from and why are not yet in the mainline? :)

     


    It seems nothing out of advanced functions really works atm.

    But at least we are now attached to the mainline + patches.Which needs maintenance attention if we want to move on faster..

     

    mainline rules :thumbup: All amlogic boards are also on mainline

    mainline u-boot will be also fine. it should work I think

     

    so some users can try lima drivers on odroid c2

    and if anybody want arm opengl es drivers on odroid n2 

    And as always mainline kernel has better stability. 

     

    Btw what about passing coherent_pool=4M to kernel. Any plan to add it? I saw your post 

  6. On 1/18/2020 at 6:53 PM, Igor said:


    Wasted 10+ h and I am not satisfied with the outcome - multimedia features are not working, something is still missing. But N2 seems stable - rebuilding images and enabling nightly images at master branch (5.5.>) https://github.com/armbian/build/pull/1748

    why?

    multimedia like HDMI audio or video decoding or what?

     

    good source of kernel patches are here

    https://github.com/superna9999/meta-meson/

     

    or khadas

    https://github.com/khadas/fenix/tree/master/packages/linux-mainline/patches/5.5-rc2

     

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