From 7ea59d0a584960549e7484aaf23f2b7586b082ce Mon Sep 17 00:00:00 2001
From: Frank LoTurco <floturcocantsee@protonmail.com>
Date: Wed, 2 Sep 2026 22:36:35 -0400
Subject: [PATCH] flake: re-add cachyos-kernel

---
 flake.nix                    | 10 ++++++++++
 hosts/nero/configuration.nix |  1 +
 hosts/shared/nixos-pc.nix    |  3 ++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index ad58b5e..00c43bd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -91,6 +91,11 @@
                 })
               ];
             }
+
+            {
+              nix.settings.substituters = [ "https://attic.xuyh0120.win/lantian" ];
+              nix.settings.trusted-public-keys = [ "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc=" ];
+            }
           ];
         };
 
@@ -118,6 +123,11 @@
 
             ./hosts/pdw-frankiel/hardware.nix
             ./hosts/pdw-frankiel/configuration.nix
+
+            {
+              nix.settings.substituters = [ "https://attic.xuyh0120.win/lantian" ];
+              nix.settings.trusted-public-keys = [ "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc=" ];
+            }
           ];
         };
       };
diff --git a/hosts/nero/configuration.nix b/hosts/nero/configuration.nix
index 2ac5d04..70c37da 100644
--- a/hosts/nero/configuration.nix
+++ b/hosts/nero/configuration.nix
@@ -27,6 +27,7 @@ in
     kernelParams = [
       "vfio-pci.ids=10de:2782,10de:22bc"
       "video=DP=-3:1024x768@85"
+      "amdgpu.dcfeaturemask=2"
     ];
   };
 
diff --git a/hosts/shared/nixos-pc.nix b/hosts/shared/nixos-pc.nix
index e3fd79b..858676b 100644
--- a/hosts/shared/nixos-pc.nix
+++ b/hosts/shared/nixos-pc.nix
@@ -23,7 +23,8 @@ in
     # Disabled temporarily due to HDMI bugs.
     #kernelPackages = pkgs.cachyosKernels.linuxPackages-cachyos-bore-lto-x86_64-v3;
 
-    kernelPackages = pkgs.linuxPackages_7_1;
+    kernelPackages =
+      inputs.nix-cachyos-kernel.legacyPackages.x86_64-linux.linuxPackages-cachyos-bore-lto-x86_64-v3;
 
     extraModulePackages = [ config.boot.kernelPackages.kvmfr ];