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dell-precision-5490: make force_probe conditional
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2 changed files with 7 additions and 9 deletions
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# Dell Precision 5490
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The internal monitor needs Linux Kernel >= 6.7 so enabling hybrid graphics does not work out of the box in 24.05. Setting
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Linux kernel versions prior to 6.7 may not function correctly with the internal monitor, as official support was introduced in version 6.7 (https://www.phoronix.com/news/Linux-6.7-Intel-Meteor-Lake-Gfx). You can enable experimental support by adding the following parameter:
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```
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boot.kernelParams = [ "i915.force_probe=7d55" ];
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```
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helped but introduced some screen tearing.
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However, this may lead to some screen tearing.
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Setting
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If possible, you might benefit from a newer kernel, for example:
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```
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boot.kernelPackages = pkgs.linuxPackages_latest;
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```
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in nixos-stable worked with no problems.
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as it seems to work without any issues.
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@ -1,13 +1,11 @@
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{ lib, ... }:
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{ config, lib, ... }:
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{
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imports = [
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../../../common/gpu/nvidia
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../../../common/gpu/nvidia/ada-lovelace
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];
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# or even better: boot.kernelParams = pkgs.linuxPackages_latest;
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boot.kernelParams = [ "i915.force_probe=7d55" ];
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boot.kernelParams = lib.mkIf (lib.versionOlder config.boot.kernelPackages.kernel.version "6.7") [ "i915.force_probe=7d55" ];
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hardware.nvidia.open = true;
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hardware.nvidia.prime = {
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intelBusId = "PCI:0:2:0";
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nvidiaBusId = "PCI:1:0:0";
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