--- NVIDIA-Linux-x86_64-375.20-no-compat32/kernel/nvidia-drm/nvidia-drm-connector.c~	2016-11-16 00:44:48.000000000 +0100
+++ NVIDIA-Linux-x86_64-375.20-no-compat32/kernel/nvidia-drm/nvidia-drm-connector.c	2016-12-05 00:09:42.798550337 +0100
@@ -21,6 +21,7 @@
  */
 
 #include "nvidia-drm-conftest.h" /* NV_DRM_ATOMIC_MODESET_AVAILABLE */
+#include <linux/version.h>
 
 #if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
 
@@ -299,7 +299,12 @@
     return count;
 }
 
-static int nvidia_drm_atomic_helper_connector_dpms(
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 2, 0))
+static void
+#else
+static int
+#endif
+nvidia_drm_atomic_helper_connector_dpms(
     struct drm_connector *connector,
     int mode)
 {