Hello,
I own a laptop with an amd Renoir chipset and a discrete Nvidia RTX 2060 GPU.
As I’d like to use both, Prime seems to be the best/obvious way. I installed the latest video-hybrid-amd-nvidia-455xx-prime
driver with mhwd and the amd chipset seems to work just fine with that.
Onto actually using the dGPU I tried to run prime-run glxgears
and checked nvtop/NVidia_system_manager, both of them showed expected usage on the NVidia card, with glxgears running on them but none of all the other windows I had running without prime-run
. Ran the same test with the vkcube
process to make sure prime-run handled switching between vulkan and openGL
Now to test out with an actual heavy process, I chose a random graphics heavy steam game that ran well with proton. Added the prime-run %command%
on the load options, and the game shows up on nvtop/nvidia-system-manager’s task manager, yet none of the gpu usage graphs showed any activity (0% gpu usage) and the computer lags as hell, which makes me think it was running on the chipset’s gpu (cpu usage was not nearly high enough to justify lags). I can’t seem to understand what is happening here and what I’m doing wrong.
Worth noting that DRI_PRIME=0 glxgears
(or DRI_PRIME=1) didn’t seem to run the process on the dGPU as it wasn’t appearing in any of the nvidia task manager yet there is a huge fps difference when running with index 1 (dGPU)
Here is mhwd -li
output :
$ mhwd -li
Installed PCI configs:
--------------------------------------------------------------------------------
NAME VERSION FREEDRIVER TYPE
--------------------------------------------------------------------------------
video-modesetting 2020.01.13 true PCI
video-hybrid-amd-nvidia-455xx-prime 2020.10.04 false PCI
network-r8168 2016.04.20 true PCI
video-vesa 2017.03.12 true PCI
video-linux 2018.05.04 true PCI
Here is xrandr --listproviders
:
$ xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x55 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 4 outputs: 2 associated providers: 1 name:Unknown AMD Radeon GPU @ pci:0000:05:00.0
Provider 1: id: 0x218 cap: 0x2, Sink Output crtcs: 4 outputs: 2 associated providers: 1 name:NVIDIA-G0
Would anyone mind helping me understand what I did wrong here ?
Edit :
Some games run just fine on the prime offload, namely overwatch on lutris