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verified publisher icon MichaIng

mali450 GPU not working / accelerated in chromium-kiosk (NanoPi-K2) + no HDMI Audio

Open BananaAcid opened this issue 1 year ago • 1 comments

Creating a bug report/issue

  • [x] I have searched the existing open and closed issues, but I might not have been clever enough to figure out if there was a related issue

Required Information

  • DietPi version
G_DIETPI_VERSION_CORE=9
G_DIETPI_VERSION_SUB=10
G_DIETPI_VERSION_RC=0
G_GITBRANCH='master'
G_GITOWNER='MichaIng'
G_LIVE_PATCH_STATUS[0]='applied'
G_LIVE_PATCH_STATUS[1]='not applicable'
G_LIVE_PATCH_STATUS[2]='not applicable'
G_LIVE_PATCH_STATUS[3]='not applied'
  • Distro version bookworm
  • Kernel version Linux DietPi 6.6.65-current-meson64 #1 SMP PREEMPT Wed Dec 11 15:13:43 UTC 2024 aarch64 GNU/Linux
  • SBC model NanoPi K2 (aarch64)
  • Power supply used 100W USAMS GAN 3 (Pluggify), 5V 20A USB-C to micro-USB-A
  • SD card used Toshiba Exceria HC1 U3, 32GB

Additional Information (if applicable)

  • Software title | (EG: Nextcloud)
  • Was the software title installed freshly or updated/migrated? DietPi was freshly instgalled, Chromium-Kiosk was selected (and chromium had to be installed from dietpi-software afterwards)
  • Can this issue be replicated on a fresh installation of DietPi? Yes
  • Bug report ID | echo $G_HW_UUID

Steps to reproduce

  1. Do the regular DietPi SD-card flashing
  2. configure to start chromium kiosk
  3. edit the chormium-autolaunch.sh to not incldude the --kiosk param (since about:gpu does not seem to be a working url if set up for kiosk, but can be entered if not using the kiosk param)
  4. see that no GPU support is available
  5. test youtube

Expected behaviour

  • GPU Acceleration should be available (i guess this would be using opengl)
  • Audio should be playing (HDMI, it has no audio jack)

Actual behaviour

  • no gpu found on the about:gpu page
  • no HDMI-audio, I guess due to some driver issue related to the gpu?

Extra details

Chromium reports --use-gl=egl beeing in the params.

Mali450 GPU: https://developer.arm.com/Processors/Mali-450

chromium about:gpu results:

Graphics Feature Status
• Canvas: Software only, hardware acceleration unavailable
• Canvas out-of-process rasterization: Disabled
• Direct Rendering Display Compositor: Disabled
• Compositing: Software only. Hardware acceleration disabled
• Multiple Raster Threads: Force enabled
• OpenGL: Disabled
• Rasterization: Software only. Hardware acceleration disabled
• Raw Draw: Disabled
• Skia Graphite: Disabled
• Video Decode: Software only. Hardware acceleration disabled
• Video Encode: Software only. Hardware acceleration disabled
• Vulkan: Disabled
• WebGL: Software only, hardware acceleration unavailable
• WebGL2: Software only, hardware acceleration unavailable
• WebGPU: Disabled
• WebNN: Software only, hardware acceleration unavailable

I have no idea if anything of this makes sense to anyone, but anyhow (LIMA seems to be the mali450 driver)

$ journalctl | grep gpu
Feb 16 04:17:02 DietPi kernel: lima d00c0000.gpu: gp - mali450 version major 0 minor 0
Feb 16 04:17:02 DietPi kernel: lima d00c0000.gpu: pp0 - mali450 version major 0 minor 0
Feb 16 04:17:02 DietPi kernel: lima d00c0000.gpu: pp1 - mali450 version major 0 minor 0
Feb 16 04:17:02 DietPi kernel: lima d00c0000.gpu: pp2 - mali450 version major 0 minor 0
Feb 16 04:17:03 DietPi kernel: lima d00c0000.gpu: l2 cache 8K, 4-way, 64byte cache line, 128bit external bus
Feb 16 04:17:03 DietPi kernel: lima d00c0000.gpu: l2 cache 64K, 4-way, 64byte cache line, 128bit external bus
Feb 16 04:17:03 DietPi kernel: lima d00c0000.gpu: bus rate = 166666667
Feb 16 04:17:03 DietPi kernel: lima d00c0000.gpu: mod rate = 24000000
Feb 16 04:17:03 DietPi kernel: lima d00c0000.gpu: error -ENODEV: _opp_set_regulators: no regulator (mali) found
Feb 16 04:17:03 DietPi kernel: [drm] Initialized lima 1.1.0 20191231 for d00c0000.gpu on minor 1

BananaAcid avatar Feb 19 '25 17:02 BananaAcid

Sorry for the late reply. Does this issue still persist with latest Linux 6.12?

Indeed, hardware acceleration for this GPU should be there. In case, does it help to pull newer Mesa from backports?

cat << '_EOF_' > /etc/apt/preferences.d/dietpi-mesa
Package: src:mesa
Pin: release a=bookworm-backports
Pin-Priority: 500
_EOF_

MichaIng avatar Jun 02 '25 21:06 MichaIng

@MichaIng hi - sorry for my late reply :)

I executed that command, but nothing seems to happen / changed.

BananaAcid avatar Aug 16 '25 02:08 BananaAcid

There should be package upgrades offered now:

apt update
apt upgrade

MichaIng avatar Aug 16 '25 13:08 MichaIng