sickcodes

### Keybase proof

I hereby claim:

  * I am sickcodes on github.
  * I am sickcodes (https://keybase.io/sickcodes) on keybase.
  * I have a public key ASDhfHa8Ej_O6mvYZKyURa2Apc3KphOaOmF1WHqHibK37Ao

To claim this, I am signing this object:

sickcodes

diff --git a/module/evdi_drv.c b/module/evdi_drv.c
index d364efa..3428158 100644
--- a/module/evdi_drv.c
+++ b/module/evdi_drv.c
@@ -84,6 +84,18 @@ static void evdi_disable_vblank(__always_unused struct drm_device *dev,
 }
 #endif
 
+#if KERNEL_VERSION(5, 12, 0) >= LINUX_VERSION_CODE
+// This has become an internal function in 5.12, so copy it here