From 7367a57778ef40a34bfb1628778cbc4bda3ee1b2 Mon Sep 17 00:00:00 2001
From: Crony Akatsuki <crony@cronyakatsuki.xyz>
Date: Sun, 15 Feb 2026 13:35:16 +0100
Subject: [PATCH] feat: fix nvidia lates driver not building on kernel 6.19

---
 hosts/skadi/configuration.nix | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/hosts/skadi/configuration.nix b/hosts/skadi/configuration.nix
index 076664f..38ed2a2 100644
--- a/hosts/skadi/configuration.nix
+++ b/hosts/skadi/configuration.nix
@@ -68,6 +68,26 @@
   hardware.nvidia = {
     modesetting.enable = true;
     open = true;
+    # Apply CachyOS kernel 6.19 patch to NVIDIA latest driver
+    package = let
+      base = config.boot.kernelPackages.nvidiaPackages.latest;
+      cachyos-nvidia-patch = pkgs.fetchpatch {
+        url = "https://raw.githubusercontent.com/CachyOS/CachyOS-PKGBUILDS/master/nvidia/nvidia-utils/kernel-6.19.patch";
+        sha256 = "sha256-YuJjSUXE6jYSuZySYGnWSNG5sfVei7vvxDcHx3K+IN4=";
+      };
+
+      # Patch the appropriate driver based on config.hardware.nvidia.open
+      driverAttr =
+        if config.hardware.nvidia.open
+        then "open"
+        else "bin";
+    in
+      base
+      // {
+        ${driverAttr} = base.${driverAttr}.overrideAttrs (oldAttrs: {
+          patches = (oldAttrs.patches or []) ++ [cachyos-nvidia-patch];
+        });
+      };
     nvidiaSettings = true;
     powerManagement.enable = true;
   };