There are mentions of this here and there, such as on Freedesktop.org: https://nouveau.freedesktop.org/Optimus.html https://nouveau.freedesktop.org/Optimus.htm

There are mentions of this here and there, such as on Freedesktop.org: https://nouveau.freedesktop.org/Optimus.html https://nouveau.freedesktop.org/Optimus.html https://wiki.archlinux.org/title/PRIME https://wiki.archlinux.org/title/PRIME But they're badly dated and don't discuss how to handle no-longer-supported GPUs on recent kernels. I cannot be the only person battling this.