mesa: downgrade from 22.3.4 -> 22.3.2 to address a memory leak

nixpatches/2023-01-30-mesa-cma-leak.patch

@@ -0,0 +1,22 @@
+diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
+index 56fa74e5c0c..3573bb0af49 100644
+--- a/pkgs/development/libraries/mesa/default.nix
++++ b/pkgs/development/libraries/mesa/default.nix
+@@ -88,7 +88,7 @@
+ let
+   # Release calendar: https://www.mesa3d.org/release-calendar.html
+   # Release frequency: https://www.mesa3d.org/releasing.html#schedule
+-  version = "22.3.4";
++  version = "22.3.2";
+   branch  = lib.versions.major version;
+ 
+   withLibdrm = lib.meta.availableOn stdenv.hostPlatform libdrm;
+@@ -120,7 +120,7 @@ self = stdenv.mkDerivation {
+       "ftp://ftp.freedesktop.org/pub/mesa/${version}/mesa-${version}.tar.xz"
+       "ftp://ftp.freedesktop.org/pub/mesa/older-versions/${branch}.x/${version}/mesa-${version}.tar.xz"
+     ];
+-    sha256 = "37a1ddaf03f41919ee3c89c97cff41e87de96e00e9d3247959cc8279d8294593";
++    sha256 = "c15df758a8795f53e57f2a228eb4593c22b16dffd9b38f83901f76cd9533140b";
+   };
+ 
+   # TODO:

nixpatches/flake.lock

@@ -2,16 +2,15 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1673163619,
-        "narHash": "sha256-B33PFBL64ZgTWgMnhFL3jgheAN/DjHPsZ1Ih3z0VE5I=",
+        "lastModified": 1675123384,
+        "narHash": "sha256-RpU+kboEWlIYwbRMGIPBIcztH63CvmqWN1B8GpJogd4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8c54d842d9544361aac5f5b212ba04e4089e8efe",
+        "rev": "e0fa1ece2f3929726c9b98c539ad14b63ae8e4fd",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.11",
         "type": "indirect"
       }
     },

nixpatches/list.nix

@@ -23,6 +23,11 @@
 
   ./2022-12-19-i2p-aarch64.patch
 
+  # fix for CMA memory leak in mesa: <https://gitlab.freedesktop.org/mesa/mesa/-/issues/8198>
+  # only necessary on aarch64.
+  # it's a revert of nixpkgs commit dcf630c172df2a9ecaa47c77f868211e61ae8e52
+  ./2023-01-30-mesa-cma-leak.patch
+
   # # kaiteki: init at 2022-09-03
   # vendorHash changes too frequently (might not be reproducible).
   # using local package defn until stabilized