NVIDIA: Difference between revisions
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Official solution by nvidia. | Official solution by nvidia. | ||
==== | ==== offload mode ==== | ||
Recent solution by nvidia. In this mode nvidia card is only activated on demand when you run program with following environment variables set <syntaxHighlight lang="nix">__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME="nvidia" __VK_LAYER_NV_optimus="NVIDIA_only"</syntaxHighlight> | |||
Firstly you need to enable the proprietary nvidia driver | Firstly you need to enable the proprietary nvidia driver | ||
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<nowiki>PCI:9:31:0</nowiki> | <nowiki>PCI:9:31:0</nowiki> | ||
An example of a final configuration is below | An example of a final configuration is below | ||
{{file|/etc/nixos/configuration.nix|nix|<nowiki> | {{file|/etc/nixos/configuration.nix|nix|<nowiki> | ||
{ | { | ||
services.xserver.videoDrivers = [ "intel" "nvidia" ]; | services.xserver.videoDrivers = [ "intel" "nvidia" ]; | ||
hardware.nvidia.prime. | hardware.nvidia.prime.offload.enable = true; | ||
# Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA | # Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA | ||
hardware.nvidia.prime.nvidiaBusId = "PCI:1:0:0"; | hardware.nvidia.prime.nvidiaBusId = "PCI:1:0:0"; | ||
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</nowiki>}} | </nowiki>}} | ||
==== | ==== sync mode ==== | ||
Old solution by nvidia. In this mode nvidia card is turned on constantly, having impact on laptop battery and health. | |||
Possible issues: | |||
* Hangs of applications after resume from suspend | |||
* Wrong DPI calculation (in this case provide dpi manually <syntaxHighlight lang="nix">services.xserver.dpi = 96;</syntaxHighlight>) | |||
* Black screen after system upgrade | |||
An example of a final configuration is below | An example of a final configuration is below | ||
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{ | { | ||
services.xserver.videoDrivers = [ "intel" "nvidia" ]; | services.xserver.videoDrivers = [ "intel" "nvidia" ]; | ||
hardware.nvidia.prime. | hardware.nvidia.prime.sync.enable = true; | ||
# Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA | # Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA | ||
hardware.nvidia.prime.nvidiaBusId = "PCI:1:0:0"; | hardware.nvidia.prime.nvidiaBusId = "PCI:1:0:0"; | ||