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Are AMD laptop discrete gpus good in linux?
(lemmy.world)
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this post was submitted on 22 Mar 2024
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Hmm... are you sure about that?
DRI_PRIME=1switches to the discrete GPU (or used to at least - I don't have hybrid graphics anymore). I'd be surprised if that feature were removed...CC BY-NC-SA 4.0
This is render offloading, not GPU switching. GPU switching implies switching the primary rendering device (the one power the displays) entirely rather than rendering on a separate GPU and copying the output to the primary.
Most gaming laptops these days don't support true GPU switching as it requires a hardware mux to switch the display between the GPUs. Every gaming laptop I've used from the past decade has been muxless and only used render offloading.
I see! Thanks for clearing that up.