Orange Pi RV2

[sven-ola]

Continued GPU hacks. I uploaded a medley from Armbian (uboot,kernel) plus OrangePi-Ubuntu-Noble (userspace) from downloaded Xunlong image to my https://privat-in.de site (-> Downloads, grab Armbian+OrangePi.img.xz). Root PW is "orangepi" and it has 3 scripts /boot/boot-6.x.x to switch kernels between 6.6.36-ky, 6.6.99 and 6.18.x (both from Armbian).

 

While the original "ky" kernel has GPU support (instantly visible with the Gnome GUI reacting < 2 seconds), the Armbian kernels have no GPU. Turns out: the kernel DRM driver name needs to be "rvdisplay" instead of "spacemit". This works at least with Armbian-Stable-6.6.99, while Armbian-Edge-6.18.x probably needs further kicking. The Armbian kernels have the following (prelim) change:

 

--- a/drivers/gpu/drm/spacemit/spacemit_drm.c
+++ b/drivers/gpu/drm/spacemit/spacemit_drm.c
@@ -24,7 +24,7 @@
 #include "spacemit_dmmu.h"
 #include "spacemit_gem.h"
 
-#define DRIVER_NAME	"spacemit"
+#define DRIVER_NAME	"rvdisplay"
 #define DRIVER_DESC	"Spacemit SoCs' DRM Driver"
 #define DRIVER_MAJOR	1
 #define DRIVER_MINOR	0

 

Note, that Xorg has no GPU, the GPU stuff only works with Wayland (gnome-shell + mutter).

 

Also: no luck with that Bianbu-Linux. It's damn slow Gnome (slower that OrangePi with Software rendering) and none of the kernels brings the GPU to live (even the original Bianbu kernel with a orangepirv2 DTB does not work). @c0rnelius Bananapi R3 and Musepi Pro have working GPU?

 

HTH // Sven-Ola

Edited Monday at 10:28 PM by sven-ola

[maxsub]

In your downloads site, does this one have the GPU hack?

Armbian-unofficial_26.02.0-trunk_Orangepirv2_trixie_current_6.6.99_minimal.img. I can do some testing.

Thank you.

 

[sven-ola]

Hi @maxsub, no, thats a normal image. Hacking is the looong filename: Armbian-unofficial_26.02.0-trunk_Orangepirv2_trixie_edge_6.18.8_minimal+Orangepirv2_1.0.0_ubuntu_noble_desktop_gnome_linux6.6.63.img.xz

[c0rnelius]

3 hours ago, sven-ola said:

Bananapi F3 and Musepi Pro have working GPU?

 

When I got the MusePi Pro it came pre flashed so I tested the install. I don't recall it having an amazing DE experience. Not sure about the GPU but like most SBC's I wouldn't expect great things in that department.

 

Which makes me wonder about the MuseBook. 

 

[sven-ola]

@c0rnelius then the GPU probably works, since without GPU e.g the Bianbu first time wizard (language, kbd, timezone, user) needs 20 minutes while uptime reports load=10. I'm damn sure you have noticed an extraslow GUI

[sven-ola]

That "rvdisplay" string is found in the following files: libVK_IMG.so, libsutu_display.so, and libpvr_dri_support.so.  When comparing the OpiRV2 versions of these files with https://gitee.com/spacemit-buildroot/img-gpu-powervr I got 9a640=spacemit vs 9a2d0=rvdisplay. Thus, Xunlong has source code for these (different offsets, rvdisplay is one char longer). So no need to hack Armbian kernel, I presume GPU works if we use *.so from gitee repo. HTH // Sven-Ola 

 

Edited Tuesday at 07:31 AM by sven-ola

[maxsub]

So this is built fully from source by patching the xunlong source onto the edge code base?

Armbian-unofficial_26.02.0-trunk_Orangepirv2_trixie_edge_6.18.8_minimal+Orangepirv2_1.0.0_ubuntu_noble_desktop_gnome_linux6.6.63.img.xz

 

[sven-ola]

@maxsub no, its hacked. At least from my side. For us, that GPU stuff is closed, patented, tighly licensed and so on. LG // Sven-Ola

[cal5582]

not sure if this is the right place to ask, but i was able to get it to recompile the kernel with the xe driver flag turned on, and got a working booting 6.18.9 image, which is amazing, i have never been able to get anything newer than the 6.6 kernel the manufacturer provided working. so thank you so much for all your hard work. 
theres only one problem, when i do the lspci command, i dont see anything attached to that slot. i tried two different intel arc gpus, an arc 350 and an arc 310 neither detects. so i pulled out an ibm fpga card and plugged it into the same powered oculink adapter, and lo and behold the fpga card detected, so my pcie adapter setup is good. is there any advice you could offer besides enabling the xe2 driver in kernel that i may have to persue?
i know this is kind of off topic, id just like to get hardware accelerated graphics working on this device. 

[maxsub]

You mean the M.2 PCIe slot? My RV2 board has no oculink slot, only 2 PCIe slots, one for NVMe and one for SSD.

 

[cal5582]

nvme drive is in the bottom slot, oculink adapter going to a powered external pci-e adapter in the top nvme slot.  i was able to plug a non-gpu in it and get a device to detect. just both my intel arc gpus failed to detect. 

edit, new discovery, when the fpga device is active on the 2nd nvme slot i can no longer see my original nvme drive if booting off the sd card. very strange. almost like its a lane bifrucation issue. 
ignore that, misconfig on my end.
 

Edited 3 hours ago by cal5582

[brunorro]

Thank you, @sven-ola , your work is amazing 
About the GPU, I suppose that spacemit can do something like what this guy did to make work the BXM-4-64 on the TH1520
https://mwilczynski.dev/posts/riscv-gpu-zink/

Anyways, my hardware knowledge is way far away from this...