From 5f951eb9c7a5d3819d3de7fb6e36e2381c57927c Mon Sep 17 00:00:00 2001
From: uttarayan21 <email@uttarayan.me>
Date: Sat, 16 Aug 2025 15:24:34 +0530
Subject: [PATCH] feat: Downgrade to 575 driver for nvidia and disable
 llama-cpp

---
 nixos/ryu/ryu.nix            | 9 ++++++++-
 nixos/ryu/services/llama.nix | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/nixos/ryu/ryu.nix b/nixos/ryu/ryu.nix
index 1f26f613..e4648f12 100644
--- a/nixos/ryu/ryu.nix
+++ b/nixos/ryu/ryu.nix
@@ -29,7 +29,14 @@
       powerManagement.enable = true;
       powerManagement.finegrained = false;
       nvidiaSettings = true;
-      package = config.boot.kernelPackages.nvidiaPackages.beta;
+      package = config.boot.kernelPackages.nvidiaPackages.mkDriver {
+        version = "575.64.05";
+        sha256_64bit = "sha256-hfK1D5EiYcGRegss9+H5dDr/0Aj9wPIJ9NVWP3dNUC0=";
+        sha256_aarch64 = "sha256-GRE9VEEosbY7TL4HPFoyo0Ac5jgBHsZg9sBKJ4BLhsA=";
+        openSha256 = "sha256-mcbMVEyRxNyRrohgwWNylu45vIqF+flKHnmt47R//KU=";
+        settingsSha256 = "sha256-o2zUnYFUQjHOcCrB0w/4L6xI1hVUXLAWgG2Y26BowBE=";
+        persistencedSha256 = "sha256-2g5z7Pu8u2EiAh5givP5Q1Y4zk4Cbb06W37rf768NFU=";
+      };
     };
     cpu.intel.updateMicrocode =
       lib.mkDefault config.hardware.enableRedistributableFirmware;
diff --git a/nixos/ryu/services/llama.nix b/nixos/ryu/services/llama.nix
index 6271bcf8..28831f9e 100644
--- a/nixos/ryu/services/llama.nix
+++ b/nixos/ryu/services/llama.nix
@@ -7,7 +7,7 @@
 }: {
   services = {
     llama-cpp = {
-      enable = true;
+      enable = false;
       port = 11435;
       model = pkgs.fetchurl {
         url = "https://huggingface.co/lmstudio-community/gpt-oss-20b-GGUF/resolve/main/gpt-oss-20b-MXFP4.gguf";