From 7b28f321ee27290ba58d9b80b83b45bde987057b Mon Sep 17 00:00:00 2001
From: Quentin Rameau <quinq@fifth.space>
Date: Sat, 19 Nov 2022 12:27:57 +0100
Subject: [PATCH] nvidia470: Add patch for Linux 6.x support

This patch should be temporary,
and removed once upstream releases a new version
with support for this.
---
 srcpkgs/nvidia470/patches/kernel-6.0.patch | 60 ++++++++++++++++++++++
 srcpkgs/nvidia470/template                 |  3 +-
 2 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 srcpkgs/nvidia470/patches/kernel-6.0.patch

diff --git a/srcpkgs/nvidia470/patches/kernel-6.0.patch b/srcpkgs/nvidia470/patches/kernel-6.0.patch
new file mode 100644
index 00000000000..3ad376a2acc
--- /dev/null
+++ b/srcpkgs/nvidia470/patches/kernel-6.0.patch
@@ -0,0 +1,60 @@
+From 17bed78791d6f311c83ff1794d085b18c9f89730 Mon Sep 17 00:00:00 2001
+From: Joan Bruguera <joanbrugueram@gmail.com>
+Date: Wed, 3 Aug 2022 00:56:57 +0200
+Subject: [PATCH] Tentative fix for NVIDIA 470.141.03 driver for Linux 6.0-rc1
+
+---
+ nvidia-drm/nvidia-drm-helper.c | 5 +++++
+ nvidia/nv-acpi.c               | 5 ++++-
+ nvidia/nv.c                    | 3 ++-
+ 3 files changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/nvidia-drm/nvidia-drm-helper.c b/nvidia-drm/nvidia-drm-helper.c
+index 3831180..fa03d51 100644
+--- a/nvidia-drm/nvidia-drm-helper.c
++++ b/nvidia-drm/nvidia-drm-helper.c
+@@ -41,6 +41,11 @@
+ #include <drm/drm_atomic_uapi.h>
+ #endif
+ 
++// Add header which is no longer indirectly referenced as of Linux 6.0-rc1
++#if defined(NV_DRM_DRM_FRAMEBUFFER_H_PRESENT)
++#include <drm/drm_framebuffer.h>
++#endif
++
+ static void __nv_drm_framebuffer_put(struct drm_framebuffer *fb)
+ {
+ #if defined(NV_DRM_FRAMEBUFFER_GET_PRESENT)
+diff --git a/nvidia/nv-acpi.c b/nvidia/nv-acpi.c
+index 2b7b988..76c36fa 100644
+--- a/nvidia/nv-acpi.c
++++ b/nvidia/nv-acpi.c
+@@ -16,7 +16,10 @@
+ 
+ #include <linux/acpi.h>
+ 
+-#if defined(NV_LINUX_ACPI_EVENTS_SUPPORTED)
++#include <linux/version.h>
++// Rel.commit "ACPI: bus: Drop unused list heads from struct acpi_device" (Rafael J. Wysocki, 4 Jun 2022)
++// Disable ACPI support due to more GPL stuff (acpi_dev_for_each_child is only GPL-exported)
++#if defined(NV_LINUX_ACPI_EVENTS_SUPPORTED) && (LINUX_VERSION_CODE < KERNEL_VERSION(6, 0, 0))
+ static NV_STATUS   nv_acpi_extract_integer (const union acpi_object *, void *, NvU32, NvU32 *);
+ static NV_STATUS   nv_acpi_extract_buffer  (const union acpi_object *, void *, NvU32, NvU32 *);
+ static NV_STATUS   nv_acpi_extract_package (const union acpi_object *, void *, NvU32, NvU32 *);
+diff --git a/nvidia/nv.c b/nvidia/nv.c
+index ab7d17c..e313e2e 100644
+--- a/nvidia/nv.c
++++ b/nvidia/nv.c
+@@ -5423,7 +5423,8 @@ NvBool NV_API_CALL nv_s2idle_pm_configured(void)
+ {
+     NvU8 buf[8];
+ 
+-#if defined(NV_SEQ_READ_ITER_PRESENT)
++// FIXME: Avoid this code path because on Linux 6.0-rc1, init_sync_kiocb references a GPL symbol
++#if defined(NV_SEQ_READ_ITER_PRESENT) && (LINUX_VERSION_CODE < KERNEL_VERSION(6, 0, 0))
+     struct file *file;
+     ssize_t num_read;
+     struct kiocb kiocb;
+-- 
+2.37.1
+
diff --git a/srcpkgs/nvidia470/template b/srcpkgs/nvidia470/template
index 5567824f41b..0f3e4d20f10 100644
--- a/srcpkgs/nvidia470/template
+++ b/srcpkgs/nvidia470/template
@@ -4,7 +4,7 @@ _desc="NVIDIA drivers (GKxxx “Kepler”)"
 
 pkgname=nvidia470
 version=470.141.03
-revision=1
+revision=2
 maintainer="Andrew Benson <abenson+void@gmail.com>"
 license="custom:NVIDIA Proprietary"
 homepage="https://www.nvidia.com/en-us/drivers/unix/"
@@ -25,6 +25,7 @@ subpackages="nvidia470-gtklibs nvidia470-dkms nvidia470-opencl nvidia470-libs nv
 depends="nvidia470-libs-${version}_${revision}
  nvidia470-gtklibs-${version}_${revision}
  nvidia470-dkms-${version}_${revision}"
+patch_args="-Np1 --directory=${XBPS_BUILDDIR}/${pkgname}-${version}/${_pkg}/kernel"
 
 _install_libs() {
 	local libdir=$1