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https://github.com/NixOS/nixos-hardware
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0cd5621572
Scatter/gather was introduced in 6.2 kernel and caused flickering and various issues when running iGPU on Ryzen 7000-series CPUs. This issue is not observed in kernel 6.6 or newer versions so we can enable it for kernel 6.6 and newer versions.
26 lines
808 B
Nix
26 lines
808 B
Nix
{
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lib,
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pkgs,
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config,
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...
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}:
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{
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# Sets the kernel version to the latest kernel to make the usage of the iGPU possible if your kernel version is too old
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# Disables scatter/gather which was introduced with kernel version 6.2
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# It produces completely white or flashing screens when enabled while using the iGPU of Ryzen 7000-series CPUs (Raphael)
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# This issue is not seen in kernel 6.6 or newer versions
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imports = [ ../. ];
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boot = lib.mkMerge [
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(lib.mkIf (lib.versionOlder pkgs.linux.version "6.1") {
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kernelPackages = pkgs.linuxPackages_latest;
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})
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(lib.mkIf (
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(lib.versionAtLeast config.boot.kernelPackages.kernel.version "6.2")
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&& (lib.versionOlder config.boot.kernelPackages.kernel.version "6.6")
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) { kernelParams = [ "amdgpu.sg_display=0" ]; })
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];
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}
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