Add kernel 5.17 patch for 470 and 495 (#89)

Credits for the patch go to @joanbm (Joan Bruguera)
https://gist.github.com/joanbm/6c7b027b9436bf31ce979927e544e9d5

PKGBUILD

@@ -234,7 +234,7 @@ fi
 
 pkgname=("${_pkgname_array[@]}")
 pkgver=$_driver_version
-pkgrel=195
+pkgrel=196
 arch=('x86_64')
 url="http://www.nvidia.com/"
 license=('custom:NVIDIA')
@@ -292,6 +292,7 @@ source=($_source_name
         'kernel-5.14.patch' # 5.14 workaround
         'kernel-5.16.patch' # 5.16 workaround
         'kernel-5.16-std.diff' # 5.16 workaround for 470.6x
+        'kernel-5.17.patch' # 5.17 workaround
 )
 
 msg2 "Selected driver integrity check behavior (md5sum or SKIP): $_md5sum" # If the driver is "known", return md5sum. If it isn't, return SKIP
@@ -330,7 +331,8 @@ md5sums=("$_md5sum"
          '3980770412a1d4d7bd3a16c9042200df'
          'f5fd091893f513d2371654e83049f099'
          'd684ca11fdc9894c14ead69cb35a5946'
-         '0f987607c98eb6faeb7d691213de6a70')
+         '0f987607c98eb6faeb7d691213de6a70'
+         'a70bc9cbbc7e8563b48985864a11de71')
 
 if [ "$_autoaddpatch" = "true" ]; then
   # Auto-add *.patch files from $startdir to source=()
@@ -669,6 +671,12 @@ DEST_MODULE_LOCATION[3]="/kernel/drivers/video"' dkms.conf
       fi
     fi
 
+    # 5.17
+    if (( $(vercmp "$_kernel" "5.17") >= 0 )); then
+      _kernel517="1"
+      _whitelist517=( 470* 495*)
+    fi
+
     # Loop patches (linux-4.15.patch, lol.patch, ...)
     for _p in $(printf -- '%s\n' ${source[@]} | grep .patch); do  # https://stackoverflow.com/a/21058239/1821548
       # Patch version (4.15, "", ...)
@@ -728,6 +736,9 @@ DEST_MODULE_LOCATION[3]="/kernel/drivers/video"' dkms.conf
       if [ "$_patch" = "5.16" ]; then
         _whitelist=(${_whitelist516[@]})
       fi
+      if [ "$_patch" = "5.17" ]; then
+        _whitelist=(${_whitelist517[@]})
+      fi
 
       patchy=0
       if (( $(vercmp "$_kernel" "$_patch") >= 0 )); then
@@ -1048,6 +1059,20 @@ DEST_MODULE_LOCATION[3]="/kernel/drivers/video"' dkms.conf
       fi
     fi
 
+    # 5.17
+    if [ "$_kernel517" = "1" ]; then
+      patchy=0
+      for yup in "${_whitelist517[@]}"; do
+        [[ $pkgver = $yup ]] && patchy=1
+      done
+      if [ "$patchy" = "1" ]; then
+        msg2 "Applying kernel-5.17.patch for dkms..."
+        patch -Np1 -i "$srcdir"/kernel-5.17.patch
+      else
+        msg2 "Skipping kernel-5.17.patch as it doesn't apply to this driver version..."
+      fi
+    fi
+
     # Legacy quirks
     if [ "$_oldstuff" = "1" ]; then
       msg2 "Applying 01-ipmi-vm.diff for dkms..."

patches/kernel-5.17.patch

@@ -0,0 +1,35 @@
+From 026a2a54a234cdb7bf78c17be7ea29d8dcf9f390 Mon Sep 17 00:00:00 2001
+From: Joan Bruguera <joanbrugueram@gmail.com>
+Date: Sun, 23 Jan 2022 16:28:18 +0100
+Subject: [PATCH] Tentative fix for NVIDIA 470.94 driver for Linux 5.17-rc1
+
+See also: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=359745d78351c6f5442435f81549f0207ece28aa
+
+---
+ common/inc/nv-procfs-utils.h | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/common/inc/nv-procfs-utils.h b/common/inc/nv-procfs-utils.h
+index 7c3e1a3..462eac1 100644
+--- a/kernel-dkms/common/inc/nv-procfs-utils.h
++++ b/kernel-dkms/common/inc/nv-procfs-utils.h
+@@ -10,6 +10,7 @@
+ #ifndef _NV_PROCFS_UTILS_H
+ #define _NV_PROCFS_UTILS_H
+ 
++#include <linux/version.h>
+ #include "conftest.h"
+ 
+ #ifdef CONFIG_PROC_FS
+@@ -87,6 +88,8 @@ typedef struct file_operations nv_proc_ops_t;
+ 
+ #if defined(NV_PDE_DATA_PRESENT)
+ # define NV_PDE_DATA(inode) PDE_DATA(inode)
++#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 17, 0))
++# define NV_PDE_DATA(inode) pde_data(inode)
+ #else
+ # define NV_PDE_DATA(inode) PDE(inode)->data
+ #endif
+-- 
+2.34.1
+