From af8f9d034264e596acf3fd8d3039756f37e6fb7f Mon Sep 17 00:00:00 2001
From: Noratrieb <48135649+Noratrieb@users.noreply.github.com>
Date: Sun, 8 Sep 2024 10:23:47 +0200
Subject: [PATCH] maybe fix suspend

---
 nixos/configuration.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 203697c..06ad998 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -89,6 +89,13 @@ in
     };
   };
 
+  # For hibernate:
+  # https://www.reddit.com/r/hyprland/comments/1cyb0h7/hibernate_on_nvidia/
+  boot.extraModprobeConfig = ''
+    options nvidia NVreg_PreserveVideoMemoryAllocations=1
+    options nvidia NVreg_TemporaryFilePath=/var/tmp 
+  '';
+
   boot.kernelPackages = pkgs.linuxPackages_6_6;
 
   boot.kernel.sysctl = {
@@ -140,6 +147,8 @@ in
     # https://github.com/NixOS/nixpkgs/issues/299944#issuecomment-2027246826
     modesetting.enable = true;
     open = true;
+    # For suspend/hibernate
+    powerManagement.enable = true;
   };
 
   hardware.graphics = {