zfs: update latestCompatibleLinuxPackages

ZFS no longer tries to use GPL-only symbols on aarch64.

Tested by building nixosTests.zfs.stable (modified to use Linux 6.6)
and nixosTests.zfs.unstable.

nixos/modules/tasks/filesystems/zfs.nix

@@ -588,7 +588,9 @@ in
         kernelParams = lib.optionals (!config.boot.zfs.allowHibernation) [ "nohibernate" ];
 
         extraModulePackages = [
-          (cfgZfs.modulePackage.override { inherit (cfgZfs) removeLinuxDRM; })
+          (cfgZfs.modulePackage.override
+            (lib.optionalAttrs (lib.versionOlder cfgZfs.package.version "2.2.3")
+              { inherit (cfgZfs) removeLinuxDRM; }))
         ];
       };
 
@@ -731,7 +733,7 @@ in
       # this symbol.
       # In the meantime, we restore what was once a working piece of code
       # in the kernel.
-      boot.kernelPatches = lib.optional (cfgZfs.removeLinuxDRM && pkgs.stdenv.hostPlatform.system == "aarch64-linux") {
+      boot.kernelPatches = lib.optional (lib.versionOlder cfgZfs.package.version "2.2.3" && cfgZfs.removeLinuxDRM && pkgs.stdenv.hostPlatform.system == "aarch64-linux") {
         name = "export-neon-symbols-as-gpl";
         patch = pkgs.fetchpatch {
           url = "https://github.com/torvalds/linux/commit/aaeca98456431a8d9382ecf48ac4843e252c07b3.patch";

pkgs/os-specific/linux/zfs/stable.nix

@@ -2,7 +2,6 @@
 , kernel ? null
 , stdenv
 , linuxKernel
-, removeLinuxDRM ? false
 , nixosTests
 , ...
 } @ args:
@@ -15,14 +14,9 @@ callPackage ./generic.nix args {
   # this attribute is the correct one for this package.
   kernelModuleAttribute = "zfs";
   # check the release notes for compatible kernels
-  kernelCompatible =
-    if stdenv'.isx86_64 || removeLinuxDRM
-    then kernel.kernelOlder "6.8"
-    else kernel.kernelOlder "6.2";
+  kernelCompatible = kernel.kernelOlder "6.8";
 
-  latestCompatibleLinuxPackages = if stdenv'.isx86_64 || removeLinuxDRM
-    then linuxKernel.packages.linux_6_7
-    else linuxKernel.packages.linux_6_1;
+  latestCompatibleLinuxPackages = linuxKernel.packages.linux_6_7;
 
   # this package should point to the latest release.
   version = "2.2.3";

pkgs/os-specific/linux/zfs/unstable.nix

@@ -2,7 +2,6 @@
 , kernel ? null
 , stdenv
 , linuxKernel
-, removeLinuxDRM ? false
 , nixosTests
 , ...
 } @ args:
@@ -15,14 +14,9 @@ callPackage ./generic.nix args {
   # this attribute is the correct one for this package.
   kernelModuleAttribute = "zfsUnstable";
   # check the release notes for compatible kernels
-  kernelCompatible =
-    if stdenv'.isx86_64 || removeLinuxDRM
-    then kernel.kernelOlder "6.9"
-    else kernel.kernelOlder "6.2";
+  kernelCompatible = kernel.kernelOlder "6.9";
 
-  latestCompatibleLinuxPackages = if stdenv'.isx86_64 || removeLinuxDRM
-    then linuxKernel.packages.linux_6_7
-    else linuxKernel.packages.linux_6_1;
+  latestCompatibleLinuxPackages = linuxKernel.packages.linux_6_7;
 
   # this package should point to a version / git revision compatible with the latest kernel release
   # IMPORTANT: Always use a tagged release candidate or commits from the