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Can we limit Window Manager to load Intel iGPU only? (hotplug Nvidia without stopping SDDM/GDM) (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

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I have this laptop (Surface Book 2), a Intel iGPU and Nvidia dGPU.

Whenever I need to update the Nvidia driver/ hotplug the dGPU. I need to first systemctl stop sddm.

I thought the WM/DE only use my iGPU. (sorry for bringing Win logic here)

I'm using Arch & Fedora. Plasma/Gnome+Wayland.

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[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)

Prime offload might be same thing? IDK

It's the same thing. Prime offload is a tool made specifically for these optimus laptops (NVIDIA) and other switchable graphics systems (laptops with AMD GPUs)

Unless you have a solid reason to use Wayland, I strongly recommend to use Xorg instead. It works better with switchable graphics, and I think that you will be able to offload your games with it without the need to restart SDDM. In your Arch system, follow the installation instructions for the optimus-manager. Since you're using SDDM instead of GDM, it should work without the need of any tweaks.