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			24 lines
		
	
	
		
			765 B
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			765 B
		
	
	
	
		
			Nix
		
	
	
	
	
	
{ config, lib, pkgs, ... }:
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{
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  imports = [
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    ../.
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    ../../../../common/cpu/amd
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  ];
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  boot.kernelParams = [
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    # With BIOS version 1.12 and the IOMMU enabled, the amdgpu driver
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    # either crashes or is not able to attach to the GPU depending on
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    # the kernel version. I've seen no issues with the IOMMU disabled.
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    #
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    # BIOS version 1.13 claims to fix IOMMU issues, but we leave the
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    # IOMMU off to avoid a sad experience for those people that drew
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    # the short straw when they bought their laptop.
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    "iommu=off"
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  ];
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  # As of writing this, Linux 5.8 is the oldest kernel that is still
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  # supported and has decent Renoir support.
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  boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.8") pkgs.linuxPackages_latest;
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}
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