From e049c10c3e9f9e48e6f984c7993c7bd447395fb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Thu, 11 Sep 2025 23:58:40 +0200
Subject: [PATCH] treewide: set intel cpu variant to legacy where newer
 versions are not supported

According to https://github.com/intel/compute-runtime#legacy-platforms
---
 common/gpu/intel/broadwell/default.nix    | 1 +
 common/gpu/intel/coffee-lake/default.nix  | 5 ++++-
 common/gpu/intel/comet-lake/default.nix   | 5 ++++-
 common/gpu/intel/elkhart-lake/default.nix | 5 ++++-
 common/gpu/intel/kaby-lake/default.nix    | 5 ++++-
 common/gpu/intel/skylake/default.nix      | 1 +
 6 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/common/gpu/intel/broadwell/default.nix b/common/gpu/intel/broadwell/default.nix
index 6412c671..eb4d1cdf 100644
--- a/common/gpu/intel/broadwell/default.nix
+++ b/common/gpu/intel/broadwell/default.nix
@@ -2,6 +2,7 @@
   imports = [ ../. ];
 
   hardware.intelgpu = {
+    computeRuntime = "legacy";
     vaapiDriver = "intel-vaapi-driver";
     enableHybridCodec = true;
   };
diff --git a/common/gpu/intel/coffee-lake/default.nix b/common/gpu/intel/coffee-lake/default.nix
index 55e71d21..49c683d8 100644
--- a/common/gpu/intel/coffee-lake/default.nix
+++ b/common/gpu/intel/coffee-lake/default.nix
@@ -7,5 +7,8 @@
     "i915.enable_guc=2"
   ];
 
-  hardware.intelgpu.vaapiDriver = "intel-media-driver";
+  hardware.intelgpu = {
+    computeRuntime = "legacy";
+    vaapiDriver = "intel-media-driver";
+  };
 }
diff --git a/common/gpu/intel/comet-lake/default.nix b/common/gpu/intel/comet-lake/default.nix
index 43ed1c46..200e34a3 100644
--- a/common/gpu/intel/comet-lake/default.nix
+++ b/common/gpu/intel/comet-lake/default.nix
@@ -3,5 +3,8 @@
 
   boot.kernelParams = [ "i915.enable_guc=2" ];
 
-  hardware.intelgpu.vaapiDriver = "intel-media-driver";
+  hardware.intelgpu = {
+    computeRuntime = "legacy";
+    vaapiDriver = "intel-media-driver";
+  };
 }
diff --git a/common/gpu/intel/elkhart-lake/default.nix b/common/gpu/intel/elkhart-lake/default.nix
index 43ed1c46..200e34a3 100644
--- a/common/gpu/intel/elkhart-lake/default.nix
+++ b/common/gpu/intel/elkhart-lake/default.nix
@@ -3,5 +3,8 @@
 
   boot.kernelParams = [ "i915.enable_guc=2" ];
 
-  hardware.intelgpu.vaapiDriver = "intel-media-driver";
+  hardware.intelgpu = {
+    computeRuntime = "legacy";
+    vaapiDriver = "intel-media-driver";
+  };
 }
diff --git a/common/gpu/intel/kaby-lake/default.nix b/common/gpu/intel/kaby-lake/default.nix
index a8386691..37a639d8 100644
--- a/common/gpu/intel/kaby-lake/default.nix
+++ b/common/gpu/intel/kaby-lake/default.nix
@@ -7,5 +7,8 @@
     "i915.enable_psr=2"
   ];
 
-  hardware.intelgpu.vaapiDriver = "intel-media-driver";
+  hardware.intelgpu = {
+    computeRuntime = "legacy";
+    vaapiDriver = "intel-media-driver";
+  };
 }
diff --git a/common/gpu/intel/skylake/default.nix b/common/gpu/intel/skylake/default.nix
index 7dd5a921..553cc836 100644
--- a/common/gpu/intel/skylake/default.nix
+++ b/common/gpu/intel/skylake/default.nix
@@ -10,6 +10,7 @@
   # NixOS Wiki recommends using the legacy intel-vaapi-driver with the hybrid codec over that one for Skylake.
   # https://wiki.nixos.org/wiki/Accelerated_Video_Playback
   hardware.intelgpu = {
+    computeRuntime = "legacy";
     vaapiDriver = "intel-vaapi-driver";
     enableHybridCodec = true;
   };