On some configurations, the only known syntax that works requires the `@` character, such as `intelBusId = "0@0:2:0";` and `nvidiaBusId = "1@1:0:0";` [1]. [1]. https://discourse.nixos.org/t/struggling-with-nvidia-prime/13794/4
On some configurations, the only known syntax that works requires the `@` character, such as `intelBusId = "0@0:2:0";` and `nvidiaBusId = "1@1:0:0";` [1]. [1]. https://discourse.nixos.org/t/struggling-with-nvidia-prime/13794/4