From 2d125b6c56bf301393a46474f52b8f958711908e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Erkka=20Heinil=C3=A4?= <erkkahe@gmail.com>
Date: Thu, 10 Oct 2024 14:58:44 +0300
Subject: [PATCH] Add basic dell precision 5490

---
 dell/precision/5490/README.md   | 15 +++++++++++++++
 dell/precision/5490/default.nix | 14 ++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 dell/precision/5490/README.md
 create mode 100644 dell/precision/5490/default.nix

diff --git a/dell/precision/5490/README.md b/dell/precision/5490/README.md
new file mode 100644
index 000000000..380a84365
--- /dev/null
+++ b/dell/precision/5490/README.md
@@ -0,0 +1,15 @@
+# Dell Precision 5490
+
+The internal monitor needs Linux Kernel >= 6.7 so enabling hybrid graphics does not work out of the box in 24.05. Setting
+
+```
+boot.kernelParams = [ "i915.force_probe=7d55" ];
+```
+
+helped but introduced some screen tearing.
+
+Setting
+```
+boot.kernelPackages = pkgs.linuxPackages_latest;
+```
+in nixos-stable worked with no problems.
diff --git a/dell/precision/5490/default.nix b/dell/precision/5490/default.nix
new file mode 100644
index 000000000..0e0c5b49a
--- /dev/null
+++ b/dell/precision/5490/default.nix
@@ -0,0 +1,14 @@
+{ lib, ... }:
+{
+  imports = [
+    ../../../common/gpu/nvidia
+  ];
+
+  # or even better: boot.kernelParams = pkgs.linuxPackages_latest;
+  boot.kernelParams = [ "i915.force_probe=7d55" ];
+
+  hardware.nvidia.prime = {
+    intelBusId = "PCI:0:2:0";
+    nvidiaBusId = "PCI:1:0:0";
+  };
+}