diff -Naur a/kernel/nv-acpi.c b/kernel/nv-acpi.c
--- a/kernel/nv-acpi.c	2019-12-12 06:04:24.000000000 +0800
+++ b/kernel/nv-acpi.c	2022-05-29 20:00:00.000000000 +0800
@@ -577,9 +577,13 @@
         {
             if (!nvif_parent_gpu_handle) /* unknown error */
                 break;
-            
-            retVal = acpi_bus_get_device(nvif_parent_gpu_handle, &device);
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+            device = acpi_fetch_acpi_dev(nvif_parent_gpu_handle);
+            retVal = 0;
+#else
+            retVal = acpi_bus_get_device(nvif_parent_gpu_handle, &device);
+#endif
             if (ACPI_FAILURE(retVal) || !device)
                 break;
 
@@ -652,8 +656,11 @@
     if (nvif_parent_gpu_handle == NULL) 
         return;
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+    device = acpi_fetch_acpi_dev(nvif_parent_gpu_handle);
+#else
     acpi_bus_get_device(nvif_parent_gpu_handle, &device);
-
+#endif
     nv_uninstall_notifier(device, nv_acpi_event);
     nvif_parent_gpu_handle = NULL;
 
@@ -1212,7 +1219,12 @@
     if (!dev_handle)
         return RM_ERR_INVALID_ARGUMENT;
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+    device = acpi_fetch_acpi_dev(dev_handle);
+    status = 0;
+#else
     status = acpi_bus_get_device(dev_handle, &device);
+#endif
 
     if (ACPI_FAILURE(status) || !device)
         return RM_ERR_INVALID_ARGUMENT;
diff -Naur a/kernel/nv-dma.c b/kernel/nv-dma.c
--- a/kernel/nv-dma.c	2019-12-12 06:04:24.000000000 +0800
+++ b/kernel/nv-dma.c	2022-05-29 20:00:00.000000000 +0800
@@ -136,10 +136,17 @@
         return status;
     }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+    dma_map->sg_map_count = dma_map_sg(&dma_map->dev->dev,
+            NV_DMA_MAP_SCATTERLIST(dma_map),
+            NV_DMA_MAP_SCATTERLIST_LENGTH(dma_map),
+            DMA_BIDIRECTIONAL);
+#else
     dma_map->sg_map_count = pci_map_sg(dma_map->dev,
             NV_DMA_MAP_SCATTERLIST(dma_map),
             NV_DMA_MAP_SCATTERLIST_LENGTH(dma_map),
             PCI_DMA_BIDIRECTIONAL);
+#endif
     if (dma_map->sg_map_count == 0)
     {
         nv_printf(NV_DBG_ERRORS,
@@ -211,8 +218,13 @@
 
     if (dma_map->sg_map_count != 0)
     {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+        dma_unmap_sg(&dma_map->dev->dev, NV_DMA_MAP_SCATTERLIST(dma_map),
+                NV_DMA_MAP_SCATTERLIST_LENGTH(dma_map), DMA_BIDIRECTIONAL);
+#else
         pci_unmap_sg(dma_map->dev, NV_DMA_MAP_SCATTERLIST(dma_map),
                 NV_DMA_MAP_SCATTERLIST_LENGTH(dma_map), PCI_DMA_BIDIRECTIONAL);
+#endif
     }
 
     *priv = dma_map->user_pages;
diff -Naur a/kernel/nv-drm.c b/kernel/nv-drm.c
--- a/kernel/nv-drm.c	2022-05-29 21:57:55.203782383 +0800
+++ b/kernel/nv-drm.c	2022-05-29 20:00:00.000000000 +0800
@@ -458,9 +458,15 @@
     return nv_gem_prime_get_sg_table(gem);
 }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+static int nv_drm_gem_vmap(struct drm_gem_object *gem,
+                           struct iosys_map *map)
+{
+#else
 static int nv_drm_gem_vmap(struct drm_gem_object *gem,
                            struct dma_buf_map *map)
 {
+#endif
     map->vaddr = nv_gem_prime_vmap(gem);
     if (map->vaddr == NULL) {
         return -ENOMEM;
@@ -469,9 +475,15 @@
     return 0;
 }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+static void nv_drm_gem_vunmap(struct drm_gem_object *gem,
+                              struct iosys_map *map)
+{
+#else
 static void nv_drm_gem_vunmap(struct drm_gem_object *gem,
                               struct dma_buf_map *map)
 {
+#endif
     nv_gem_prime_vunmap(gem, map->vaddr);
     map->vaddr = NULL;
 }
diff -Naur a/kernel/nv-vm.c b/kernel/nv-vm.c
--- a/kernel/nv-vm.c	2019-12-12 06:04:24.000000000 +0800
+++ b/kernel/nv-vm.c	2022-05-29 20:00:00.000000000 +0800
@@ -169,12 +169,20 @@
 
 static inline int nv_map_sg(struct pci_dev *dev, struct scatterlist *sg)
 {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+    return dma_map_sg(&dev->dev, sg, 1, DMA_BIDIRECTIONAL);
+#else
     return pci_map_sg(dev, sg, 1, PCI_DMA_BIDIRECTIONAL);
+#endif
 }
 
 static inline void nv_unmap_sg(struct pci_dev *dev, struct scatterlist *sg)
 {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+    dma_unmap_sg(&dev->dev, sg, 1, DMA_BIDIRECTIONAL);
+#else
     pci_unmap_sg(dev, sg, 1, PCI_DMA_BIDIRECTIONAL);
+#endif
 }
 
 #define NV_MAP_SG_MAX_RETRIES 16
diff -Naur a/kernel/nv-frontend.c b/kernel/nv-frontend.c
--- a/kernel/nv-frontend.c	2019-12-12 06:04:24.000000000 +0800
+++ b/kernel/nv-frontend.c	2022-05-29 20:00:00.000000000 +0800
@@ -15,7 +15,7 @@
 #include "nv-frontend.h"
 
 #if defined(MODULE_LICENSE)
-MODULE_LICENSE("NVIDIA");
+MODULE_LICENSE("GPL");
 #endif
 #if defined(MODULE_INFO)
 MODULE_INFO(supported, "external");