From 0afbfb63a19b71769448fe186d46a99fd7a1c2fe Mon Sep 17 00:00:00 2001
From: Raghuram Subramani <raghus2247@gmail.com>
Date: Wed, 13 Mar 2024 17:00:00 +0530
Subject: fix nvidia offload

---
 machines/x/configuration.nix |  2 +-
 modules/amdgpu.nix           |  2 +-
 modules/nvidia.nix           |  2 +-
 modules/passthrough.nix      | 25 +++----------------------
 4 files changed, 6 insertions(+), 25 deletions(-)

diff --git a/machines/x/configuration.nix b/machines/x/configuration.nix
index a5bad12..33245d1 100644
--- a/machines/x/configuration.nix
+++ b/machines/x/configuration.nix
@@ -9,13 +9,13 @@
     "amdgpu.nix"
     "amd.nix"
     "nvidia.nix"
-    "passthrough.nix"
     "core/audio.nix"
     "core/bluetooth.nix"
     "core/fonts.nix"
     "compromyse.nix"
     "login.nix"
     "virtualization.nix"
+    "passthrough.nix"
   ]);
 
   boot.loader.systemd-boot.enable = true;
diff --git a/modules/amdgpu.nix b/modules/amdgpu.nix
index 6c1f109..2426f2d 100644
--- a/modules/amdgpu.nix
+++ b/modules/amdgpu.nix
@@ -18,7 +18,7 @@
     driversi686Linux.amdvlk
   ];
 
-  services.xserver.videoDrivers = [ "modesetting" ];
+  services.xserver.videoDrivers = [ "modeset" ];
 
   systemd.tmpfiles.rules = [
     "L+    /opt/rocm/hip   -    -    -     -    ${pkgs.rocmPackages.clr}"
diff --git a/modules/nvidia.nix b/modules/nvidia.nix
index 16966e0..5f49c8f 100644
--- a/modules/nvidia.nix
+++ b/modules/nvidia.nix
@@ -6,7 +6,7 @@
   hardware.nvidia = {
     modesetting.enable = true;
     powerManagement.enable = true;
-    powerManagement.finegrained = false;
+    powerManagement.finegrained = true;
     open = false;
     nvidiaSettings = true;
     package = config.boot.kernelPackages.nvidiaPackages.stable;
diff --git a/modules/passthrough.nix b/modules/passthrough.nix
index 23afa88..ab68b8e 100644
--- a/modules/passthrough.nix
+++ b/modules/passthrough.nix
@@ -1,25 +1,6 @@
 { pkgs, lib, config, ... }:
-let
-  # RTX 3070 Ti
-  gpuIDs = [
-    "10de:28e0" # Graphics
-    "10de:22be" # Audio
-  ];
-in {
-  boot = {
-    initrd.kernelModules = [
-      "vfio_pci"
-      "vfio"
-      "vfio_iommu_type1"
-
-      "nvidia"
-      "nvidia_modeset"
-      "nvidia_uvm"
-      "nvidia_drm"
-    ];
 
-    kernelParams = [
-      ("vfio-pci.ids=" + lib.concatStringsSep "," gpuIDs)
-    ];
-  };
+{
+  environment.systemPackages = with pkgs; [
+  ];
 }
-- 
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