diff -Naur nvidia-graphics-drivers-340-340.104.orig/debian/dkms_nvidia/patches/buildfix_kernel_4.15.patch nvidia-graphics-drivers-340-340.104/debian/dkms_nvidia/patches/buildfix_kernel_4.15.patch
--- nvidia-graphics-drivers-340-340.104.orig/debian/dkms_nvidia/patches/buildfix_kernel_4.15.patch	1970-01-01 00:00:00.000000000 +0000
+++ nvidia-graphics-drivers-340-340.104/debian/dkms_nvidia/patches/buildfix_kernel_4.15.patch	2018-09-06 03:10:00.624680734 +0000
@@ -0,0 +1,140 @@
+diff -rNau a/Makefile b/Makefile
+--- a/Makefile	2017-12-04 12:14:36.000000000 +0000
++++ b/Makefile	2018-08-03 03:20:33.377336787 +0000
+@@ -129,6 +129,7 @@
+ 	efi_enabled \
+ 	dom0_kernel_present \
+ 	drm_available \
++	drm_legacy_available \
+ 	proc_create_data \
+ 	pde_data \
+ 	proc_remove \
+@@ -145,7 +146,8 @@
+ 	cpuhp_setup_state \
+ 	vm_fault_present \
+ 	vm_fault_has_address \
+-	drm_driver_unload_has_int_return_type
++	drm_driver_unload_has_int_return_type \
++	use_timer_setup
+ #
+ # CFLAGS dependent on the type of builds (e.g. single/muliple module, debug)
+ #
+diff -rNau a/conftest.sh b/conftest.sh
+--- a/conftest.sh	2017-12-04 12:14:36.000000000 +0000
++++ b/conftest.sh	2018-08-03 03:20:12.013023205 +0000
+@@ -1520,6 +1520,23 @@
+             compile_check_conftest "$CODE" "NV_DRM_AVAILABLE" "" "generic"
+         ;;
+ 
++        drm_legacy_available)
++            #
++            # Determine if the DRM subsystem is usable
++            #
++            CODE="
++            #include <drm/drmP.h>
++            #if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
++            void conftest_drm_legacy_available(void) {
++                 (void)drm_legacy_pci_init();
++            }
++            #else
++            void conftest_drm_legacy_available(void) {}
++            #endif"
++
++            compile_check_conftest "$CODE" "NV_DRM_LEGACY_AVAILABLE" "" "functions"
++        ;;
++
+         proc_create_data)
+             #
+             # Determine if the proc_create_data() function is present.
+@@ -1895,6 +1912,18 @@
+ 
+             compile_check_conftest "$CODE" "NV_DRM_DRIVER_UNLOAD_HAS_INT_RETURN_TYPE" "" "types"
+         ;;
++        use_timer_setup)
++            #
++            # Determine if timer_setup() must be used instead of init_timer().
++            #
++            CODE="
++            #include <linux/timer.h>
++                void conftest_use_timer_setup() {
++                timer_setup();
++            }"
++
++            compile_check_conftest "$CODE" "NV_USE_TIMER_SETUP" "" "functions"
++        ;;
+     esac
+ }
+ 
+diff -rNau a/nv-drm.c b/nv-drm.c
+--- a/nv-drm.c	2018-08-02 03:28:36.723214195 +0000
++++ b/nv-drm.c	2018-08-03 03:12:14.363259291 +0000
+@@ -172,7 +172,9 @@
+ )
+ {
+     int ret = 0;
+-#if defined(NV_DRM_AVAILABLE)
++#if defined(NV_DRM_LEGACY_AVAILABLE)
++    ret = drm_legacy_pci_init(&nv_drm_driver, pci_driver);
++#elif defined(NV_DRM_AVAILABLE)
+     ret = drm_pci_init(&nv_drm_driver, pci_driver);
+ #endif
+     return ret;
+@@ -182,7 +184,9 @@
+     struct pci_driver *pci_driver
+ )
+ {
+-#if defined(NV_DRM_AVAILABLE)
++#if defined(NV_DRM_LEGACY_AVAILABLE)
++    drm_legacy_pci_exit(&nv_drm_driver, pci_driver);
++#elif defined(NV_DRM_AVAILABLE)
+     drm_pci_exit(&nv_drm_driver, pci_driver);
+ #endif
+ }
+diff -rNau a/nv.c b/nv.c
+--- a/nv.c	2017-12-04 12:14:36.000000000 +0000
++++ b/nv.c	2018-08-02 03:11:42.284373528 +0000
+@@ -332,7 +332,11 @@
+ #else
+ static irqreturn_t   nvidia_isr            (int, void *);
+ #endif
++#ifdef NV_USE_TIMER_SETUP
++static void          nvidia_rc_timer       (struct timer_list *t);
++#else
+ static void          nvidia_rc_timer       (unsigned long);
++#endif
+ 
+ static int           nvidia_ctl_open       (struct inode *, struct file *);
+ static int           nvidia_ctl_close      (struct inode *, struct file *);
+@@ -1891,10 +1895,18 @@
+ 
+ static void
+ nvidia_rc_timer(
++#ifdef NV_USE_TIMER_SETUP
++    struct timer_list *t
++#else
+     unsigned long data
++#endif
+ )
+ {
++#ifdef NV_USE_TIMER_SETUP
++    nv_linux_state_t *nvl = from_timer(nvl, t, rc_timer);
++#else
+     nv_linux_state_t *nvl = (nv_linux_state_t *) data;
++#endif
+     nv_state_t *nv = NV_STATE_PTR(nvl);
+ 
+     NV_CHECK_PCI_CONFIG_SPACE(nvl->timer_sp, nv, TRUE, TRUE, FALSE);
+@@ -2404,9 +2416,13 @@
+         return -1;
+ 
+     nv_printf(NV_DBG_INFO, "NVRM: initializing rc timer\n");
++#ifdef NV_USE_TIMER_SETUP
++    timer_setup(&nvl->rc_timer, nvidia_rc_timer, 0);
++#else
+     init_timer(&nvl->rc_timer);
+     nvl->rc_timer.function = nvidia_rc_timer;
+     nvl->rc_timer.data = (unsigned long) nvl;
++#endif
+     nv->rc_timer_enabled = 1;
+     mod_timer(&nvl->rc_timer, jiffies + HZ); /* set our timeout for 1 second */
+     nv_printf(NV_DBG_INFO, "NVRM: rc timer initialized\n");
diff -Naur nvidia-graphics-drivers-340-340.104.orig/debian/templates/dkms_nvidia.conf.in nvidia-graphics-drivers-340-340.104/debian/templates/dkms_nvidia.conf.in
--- nvidia-graphics-drivers-340-340.104.orig/debian/templates/dkms_nvidia.conf.in	2018-09-05 02:34:25.000000000 +0000
+++ nvidia-graphics-drivers-340-340.104/debian/templates/dkms_nvidia.conf.in	2018-08-02 03:28:07.814877912 +0000
@@ -8,6 +8,7 @@
 AUTOINSTALL="yes"
 PATCH[0]="buildfix_kernel_4.11.patch"
 #PATCH_MATCH[0]="^3.[8-9]"
+PATCH[1]="buildfix_kernel_4.15.patch"
 BUILT_MODULE_NAME[1]="nvidia-uvm"
 BUILT_MODULE_LOCATION[1]="uvm/"
 DEST_MODULE_LOCATION[1]="/kernel/drivers/video"