2 files changed, 13 insertions, 1 deletions

diff --git a/hel.nix b/hel.nix
index 10cbc9b4..e1540376 100644
--- a/hel.nix
+++ b/hel.nix
@@ -46,7 +46,7 @@
 
   boot.kernelPackages = pkgs.linuxPackages_latest;
   boot.kernelPatches = [
-      { patch = pkgs.fetchurl { url = "https://bugs.freedesktop.org/attachment.cgi?id=114235"; sha256 = "1q83k51f5mbik8y760q2ii07h075dyjv72fj5q4w09nngjvb7vxf"; };
+      { patch = ./patches/udl.patch;
         name = "udl-vblank";
       }
     ];
diff --git a/patches/udl.patch b/patches/udl.patch
new file mode 100644
index 00000000..ca44a73b
--- /dev/null
+++ b/patches/udl.patch
@@ -0,0 +1,12 @@
+*** udl_drv.c.orig      2017-05-14 18:28:55.765966608 +0200
+--- udl_drv.c   2017-05-14 18:30:46.872445409 +0200
+***************
+*** 53,58 ****
+--- 53,59 ----
+        .load = udl_driver_load,
+        .unload = udl_driver_unload,
+        .set_busid = udl_driver_set_busid,
++       .get_vblank_counter = drm_vblank_count,
+  
+        /* gem hooks */
+        .gem_free_object = udl_gem_free_object,