From 669ea0ef42c7f4f67cd0ea5aa007091c49c7f16d Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Tue, 26 May 2026 09:04:30 -0400
Subject: nvidia stability improvements

---
 system/nvidia.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/system/nvidia.nix b/system/nvidia.nix
index d9818e0..feb2edd 100644
--- a/system/nvidia.nix
+++ b/system/nvidia.nix
@@ -9,7 +9,13 @@
 in {
   config = mkIf cfg.enable {
     # kernel modules
-    boot.blacklistedKernelModules = ["nouveau"];
+    boot = {
+      blacklistedKernelModules = ["nouveau"];
+      kernelParams = [
+        "nvidia.NVreg_PreserveVideoMemoryAllocations=1"
+        "nvidia.NVreg_TemporaryFilePath=/var/tmp"
+      ];
+    };
     services.xserver.videoDrivers = ["modesetting" "nvidia"];
 
     # nvidia driver
@@ -17,7 +23,7 @@ in {
       modesetting.enable = true;
       powerManagement = {
         enable = true;
-        finegrained = true;
+        finegrained = false;
       };
       prime =
         cfg.primeBusIds
-- 
cgit v1.3.1-freya