diff -Nru nvidia-graphics-drivers-470-470.182.03/debian/changelog nvidia-graphics-drivers-470-470.182.03/debian/changelog
--- nvidia-graphics-drivers-470-470.182.03/debian/changelog	2023-05-18 13:47:54.000000000 +0000
+++ nvidia-graphics-drivers-470-470.182.03/debian/changelog	2023-06-29 10:24:52.000000000 +0000
@@ -1,3 +1,12 @@
+nvidia-graphics-drivers-470 (470.182.03-0ubuntu3) mantic; urgency=medium
+
+  * debian/dkms_nvidia.conf,
+    debian/templates/dkms_nvidia.conf.in,
+    debian/dkms_nvidia/patches/buildfix_kernel_6.4.patch:
+    - Support linux 6.4 ABI (LP: #2025266).
+
+ -- Paolo Pisati <paolo.pisati@canonical.com>  Thu, 29 Jun 2023 10:24:52 +0000
+
 nvidia-graphics-drivers-470 (470.182.03-0ubuntu2) mantic; urgency=medium
 
   [ Paolo Pisati ]
diff -Nru nvidia-graphics-drivers-470-470.182.03/debian/dkms_nvidia/patches/buildfix_kernel_6.4.patch nvidia-graphics-drivers-470-470.182.03/debian/dkms_nvidia/patches/buildfix_kernel_6.4.patch
--- nvidia-graphics-drivers-470-470.182.03/debian/dkms_nvidia/patches/buildfix_kernel_6.4.patch	1970-01-01 00:00:00.000000000 +0000
+++ nvidia-graphics-drivers-470-470.182.03/debian/dkms_nvidia/patches/buildfix_kernel_6.4.patch	2023-06-29 10:24:52.000000000 +0000
@@ -0,0 +1,63 @@
+From 324e2c1be17cec11fb90dc840f1c035f1975d437 Mon Sep 17 00:00:00 2001
+From: Paolo Pisati <p.pisati@canonical.com>
+Date: Thu, 29 Jun 2023 12:49:27 +0000
+Subject: [PATCH] buildfix kernel 6.4
+
+Upstream commit 96a7b60f6ddb2bc966fac800c1dd18876a6e3c3f removed
+.dumb_destroy() hook ("drm_gem_handle_delete(file_priv, handle)"
+was already the default fallback).
+
+Signed-off-by: Paolo Pisati <p.pisati@canonical.com>
+---
+ nvidia-drm/nvidia-drm-drv.c                           | 1 -
+ nvidia-drm/nvidia-drm-gem-nvkms-memory.c              | 8 --------
+ nvidia-drm/nvidia-drm-gem-nvkms-memory.h              | 4 ----
+ 3 files changed, 13 deletions(-)
+
+diff --git a/nvidia-drm/nvidia-drm-drv.c b/nvidia-drm/nvidia-drm-drv.c
+index 8ef4c277..0de1c5a5 100644
+--- a/nvidia-drm/nvidia-drm-drv.c
++++ b/nvidia-drm/nvidia-drm-drv.c
+@@ -873,7 +873,6 @@ static void nv_drm_update_drm_driver_features(void)
+ 
+     nv_drm_driver.dumb_create      = nv_drm_dumb_create;
+     nv_drm_driver.dumb_map_offset  = nv_drm_dumb_map_offset;
+-    nv_drm_driver.dumb_destroy     = nv_drm_dumb_destroy;
+ #endif /* NV_DRM_ATOMIC_MODESET_AVAILABLE */
+ }
+ 
+diff --git a/nvidia-drm/nvidia-drm-gem-nvkms-memory.c b/nvidia-drm/nvidia-drm-gem-nvkms-memory.c
+index ca6c6646..786f21e7 100644
+--- a/nvidia-drm/nvidia-drm-gem-nvkms-memory.c
++++ b/nvidia-drm/nvidia-drm-gem-nvkms-memory.c
+@@ -531,12 +531,4 @@ int nv_drm_dumb_map_offset(struct drm_file *file,
+ 
+     return ret;
+ }
+-
+-int nv_drm_dumb_destroy(struct drm_file *file,
+-                        struct drm_device *dev,
+-                        uint32_t handle)
+-{
+-    return drm_gem_handle_delete(file, handle);
+-}
+-
+ #endif
+diff --git a/nvidia-drm/nvidia-drm-gem-nvkms-memory.h b/nvidia-drm/nvidia-drm-gem-nvkms-memory.h
+index d449e3ac..d93f1519 100644
+--- a/nvidia-drm/nvidia-drm-gem-nvkms-memory.h
++++ b/nvidia-drm/nvidia-drm-gem-nvkms-memory.h
+@@ -94,10 +94,6 @@ int nv_drm_dumb_map_offset(struct drm_file *file,
+                            struct drm_device *dev, uint32_t handle,
+                            uint64_t *offset);
+ 
+-int nv_drm_dumb_destroy(struct drm_file *file,
+-                        struct drm_device *dev,
+-                        uint32_t handle);
+-
+ struct drm_gem_object *nv_drm_gem_nvkms_prime_import(
+     struct drm_device *dev,
+     struct drm_gem_object *gem);
+-- 
+2.40.1
+
diff -Nru nvidia-graphics-drivers-470-470.182.03/debian/dkms_nvidia.conf nvidia-graphics-drivers-470-470.182.03/debian/dkms_nvidia.conf
--- nvidia-graphics-drivers-470-470.182.03/debian/dkms_nvidia.conf	2023-05-18 13:47:54.000000000 +0000
+++ nvidia-graphics-drivers-470-470.182.03/debian/dkms_nvidia.conf	2023-06-29 10:24:52.000000000 +0000
@@ -14,6 +14,7 @@
 AUTOINSTALL="yes"
 PATCH[0]="disable_fstack-clash-protection_fcf-protection.patch"
 PATCH[1]="buildfix_kernel_6.3.patch"
+PATCH[2]="buildfix_kernel_6.4.patch"
 #PATCH[1]="buildfix_kernel_6.2.patch"
 #PATCH[1]="buildfix_kernel_5.19.patch"
 # Apply from v4 to v5.12 kernels
diff -Nru nvidia-graphics-drivers-470-470.182.03/debian/templates/dkms_nvidia.conf.in nvidia-graphics-drivers-470-470.182.03/debian/templates/dkms_nvidia.conf.in
--- nvidia-graphics-drivers-470-470.182.03/debian/templates/dkms_nvidia.conf.in	2023-05-18 13:47:54.000000000 +0000
+++ nvidia-graphics-drivers-470-470.182.03/debian/templates/dkms_nvidia.conf.in	2023-06-29 10:24:52.000000000 +0000
@@ -14,6 +14,7 @@
 AUTOINSTALL="yes"
 PATCH[0]="disable_fstack-clash-protection_fcf-protection.patch"
 PATCH[1]="buildfix_kernel_6.3.patch"
+PATCH[2]="buildfix_kernel_6.4.patch"
 #PATCH[1]="buildfix_kernel_6.2.patch"
 #PATCH[1]="buildfix_kernel_5.19.patch"
 # Apply from v4 to v5.12 kernels