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|
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
MODULES_OPTIONAL_USE="driver"
inherit desktop flag-o-matic linux-mod multilib readme.gentoo-r1 \
systemd toolchain-funcs unpacker user-info
NV_KERNEL_MAX="6.3"
NV_URI="https://download.nvidia.com/XFree86/"
DESCRIPTION="NVIDIA Accelerated Graphics Driver"
HOMEPAGE="https://www.nvidia.com/download/index.aspx"
SRC_URI="
amd64? ( ${NV_URI}Linux-x86_64/${PV}/NVIDIA-Linux-x86_64-${PV}.run )
arm64? ( ${NV_URI}Linux-aarch64/${PV}/NVIDIA-Linux-aarch64-${PV}.run )
$(printf "${NV_URI}%s/%s-${PV}.tar.bz2 " \
nvidia-{installer,modprobe,persistenced,settings,xconfig}{,})
${NV_URI}NVIDIA-kernel-module-source/NVIDIA-kernel-module-source-${PV}.tar.xz"
# nvidia-installer is unused but here for GPL-2's "distribute sources"
S="${WORKDIR}"
LICENSE="NVIDIA-r2 BSD BSD-2 GPL-2 MIT ZLIB curl openssl"
SLOT="0/${PV%%.*}"
KEYWORDS="-* ~amd64 ~arm64"
IUSE="+X abi_x86_32 abi_x86_64 +driver kernel-open persistenced +static-libs +tools wayland"
REQUIRED_USE="kernel-open? ( driver )"
COMMON_DEPEND="
acct-group/video
sys-libs/glibc
X? ( x11-libs/libpciaccess )
persistenced? (
acct-user/nvpd
net-libs/libtirpc:=
)
tools? (
>=app-accessibility/at-spi2-core-2.46:2
dev-libs/glib:2
dev-libs/jansson:=
media-libs/harfbuzz:=
x11-libs/cairo
x11-libs/gdk-pixbuf:2
x11-libs/gtk+:3[X]
x11-libs/libX11
x11-libs/libXext
x11-libs/libXxf86vm
x11-libs/pango
)"
RDEPEND="
${COMMON_DEPEND}
X? (
media-libs/libglvnd[X,abi_x86_32(-)?]
x11-libs/libX11[abi_x86_32(-)?]
x11-libs/libXext[abi_x86_32(-)?]
)
wayland? (
gui-libs/egl-gbm
>=gui-libs/egl-wayland-1.1.10
media-libs/libglvnd
)"
DEPEND="
${COMMON_DEPEND}
static-libs? (
x11-libs/libX11
x11-libs/libXext
)
tools? (
media-libs/libglvnd
sys-apps/dbus
x11-base/xorg-proto
x11-libs/libXrandr
x11-libs/libXv
x11-libs/libvdpau
)"
BDEPEND="
sys-devel/m4
virtual/pkgconfig"
QA_PREBUILT="lib/firmware/* opt/bin/* usr/lib*"
PATCHES=(
"${FILESDIR}"/nvidia-kernel-module-source-515.86.01-raw-ldflags.patch
"${FILESDIR}"/nvidia-modprobe-390.141-uvm-perms.patch
"${FILESDIR}"/nvidia-settings-390.144-raw-ldflags.patch
"${FILESDIR}"/nvidia-settings-530.30.02-desktop.patch
)
pkg_setup() {
use driver || return
local CONFIG_CHECK="
PROC_FS
~DRM_KMS_HELPER
~SYSVIPC
~!LOCKDEP
~!SLUB_DEBUG_ON
~!X86_KERNEL_IBT
!DEBUG_MUTEXES"
local ERROR_DRM_KMS_HELPER="CONFIG_DRM_KMS_HELPER: is not set but needed for Xorg auto-detection
of drivers (no custom config), and for wayland / nvidia-drm.modeset=1.
Cannot be directly selected in the kernel's menuconfig, and may need
selection of a DRM device even if unused, e.g. CONFIG_DRM_AMDGPU=m or
DRM_I915=y, DRM_NOUVEAU=m also acceptable if a module and not built-in."
local ERROR_X86_KERNEL_IBT="CONFIG_X86_KERNEL_IBT: is set, this should be fine and is supposed
to be fixed but, *if* modules fail to load, then try to either unset
or pass ibt=off to the kernel (ignore this message otherwise)"
use amd64 && kernel_is -ge 5 8 && CONFIG_CHECK+=" X86_PAT" #817764
use kernel-open && CONFIG_CHECK+=" MMU_NOTIFIER" #843827
local ERROR_MMU_NOTIFIER="CONFIG_MMU_NOTIFIER: is not set but needed to build with USE=kernel-open.
Cannot be directly selected in the kernel's menuconfig, and may need
selection of another option that requires it such as CONFIG_KVM."
MODULE_NAMES="
nvidia(video:kernel)
nvidia-drm(video:kernel)
nvidia-modeset(video:kernel)
nvidia-peermem(video:kernel)
nvidia-uvm(video:kernel)"
use kernel-open &&
MODULE_NAMES=${MODULE_NAMES//:kernel/:kernel-module-source:kernel-module-source/kernel-open}
linux-mod_pkg_setup
[[ ${MERGE_TYPE} == binary ]] && return
# do some extra checks manually as it gets messy to handle builtin-only
# and some other conditional checks through CONFIG_CHECK
# TODO?: maybe move other custom checks here for uniformity
local warn=()
if linux_chkconfig_builtin DRM_NOUVEAU; then
# suggest =m given keeps KMS_HELPER enabled and can serve as fallback
warn+=(
" CONFIG_DRM_NOUVEAU: is builtin (=y), and will prevent loading NVIDIA"
" modules (can be safely kept as a module (=m) instead)."
)
fi
if linux_chkconfig_builtin DRM_SIMPLEDRM; then
# wrt prebuilts, Fedora is pushing =y and gentoo-kernel-bin uses its
# configs (bug #840439), but without Fedora's kernel patch to
# workaround this issue (which is unlikely to work for us anyway)
# https://github.com/NVIDIA/open-gpu-kernel-modules/issues/228
warn+=(
" CONFIG_DRM_SIMPLEDRM: is builtin (=y), and may conflict with NVIDIA"
" (i.e. blanks when X/wayland starts, and tty loses display)."
" For prebuilt kernels, unfortunately no known good workarounds."
)
fi
if ! linux_chkconfig_present FB_EFI &&
! linux_chkconfig_present FB_SIMPLE &&
! linux_chkconfig_present FB_VESA
then
# nvidia-drivers does not handle the tty (beside mode restoration) but,
# given few options are viable, try to warn if all missing
warn+=(
" CONFIG_FB_(EFI|SIMPLE|VESA): none set, but note at least one is normally"
" needed to get a display for the tty console. In most cases, it is"
" recommended to enable FB_EFI=y and disable FB_SIMPLE (can be quirky)."
" Non-EFI systems are likely to want FB_VESA=y. Users with multiple GPUs"
" or not using the tty may be able to safely ignore this warning."
)
fi
if kernel_is -ge 5 18 13; then
if linux_chkconfig_present FB_SIMPLE; then
warn+=(
" CONFIG_FB_SIMPLE: is set, recommended to disable and switch to FB_EFI or"
" FB_VESA as it currently may be broken with >=kernel-5.18.13 + NVIDIA:"
" https://github.com/NVIDIA/open-gpu-kernel-modules/issues/341"
" (feel free to ignore this if it works for you)"
)
fi
if linux_chkconfig_present SYSFB_SIMPLEFB &&
{ linux_chkconfig_present FB_EFI || linux_chkconfig_present FB_VESA; }
then
warn+=(
" CONFIG_SYSFB_SIMPLEFB: is set, this may prevent FB_EFI or FB_VESA"
" from providing a working tty console display (ignore if unused)."
)
fi
fi
(( ${#warn[@]} )) &&
ewarn "Detected potential configuration issues with used kernel:${warn[*]/#/$'\n'}"
BUILD_PARAMS='NV_VERBOSE=1 IGNORE_CC_MISMATCH=yes SYSSRC="${KV_DIR}" SYSOUT="${KV_OUT_DIR}"'
BUILD_TARGETS="modules"
# Try to match toolchain with kernel only for modules
# (experimental, ideally this should be handled in linux-mod.eclass)
nvidia-tc-set() {
local -n var=KERNEL_${1}
if [[ ! -v var ]]; then
read -r var < <(type -P "${@:2}") ||
die "failed to find in PATH at least one of: ${*:2}"
einfo "Forcing '${var}' for modules (set ${!var} to override)"
fi
}
local tool switch
if linux_chkconfig_present CC_IS_GCC; then
if ! tc-is-gcc; then
switch=
nvidia-tc-set CC {${CHOST}-,}gcc
nvidia-tc-set CXX {${CHOST}-,}g++ # needed by kernel-open
fi
elif linux_chkconfig_present CC_IS_CLANG; then
ewarn "Warning: using ${PN} with a clang-built kernel is largely untested"
if ! tc-is-clang; then
switch=llvm-
nvidia-tc-set CC {${CHOST}-,}clang
nvidia-tc-set CXX {${CHOST}-,}clang++
fi
fi
if linux_chkconfig_present LD_IS_BFD; then
# tc-ld-is-bfd needs https://github.com/gentoo/gentoo/pull/28355
[[ $(LC_ALL=C $(tc-getLD) --version 2>/dev/null) == "GNU ld"* ]] ||
nvidia-tc-set LD {${CHOST}-,}{ld.bfd,ld}
elif linux_chkconfig_present LD_IS_LLD; then
tc-ld-is-lld || nvidia-tc-set LD {${CHOST}-,}{ld.lld,lld}
fi
if [[ -v switch ]]; then
# only need llvm-nm for lto, but use complete set to be safe
for tool in AR NM OBJCOPY OBJDUMP READELF STRIP; do
case $(LC_ALL=C $(tc-get${tool}) --version 2>/dev/null) in
LLVM*|llvm*) [[ ! ${switch} ]];;
*) [[ ${switch} ]];;
esac && nvidia-tc-set ${tool} {${CHOST}-,}${switch}${tool,,}
done
fi
# pass unconditionally given exports are semi-ignored except CC/LD
for tool in CC CXX LD AR NM OBJCOPY OBJDUMP READELF STRIP; do
BUILD_PARAMS+=" ${tool}=\"\${KERNEL_${tool}:-\$(tc-get${tool})}\""
done
if linux_chkconfig_present LTO_CLANG_THIN; then
# kernel enables cache by default leading to sandbox violations
BUILD_PARAMS+=' ldflags-y=--thinlto-cache-dir= LDFLAGS_MODULE=--thinlto-cache-dir='
fi
if kernel_is -gt ${NV_KERNEL_MAX/./ }; then
ewarn "Kernel ${KV_MAJOR}.${KV_MINOR} is either known to break this version of ${PN}"
ewarn "or was not tested with it. It is recommended to use one of:"
ewarn " <=sys-kernel/gentoo-kernel-${NV_KERNEL_MAX}.x"
ewarn " <=sys-kernel/gentoo-sources-${NV_KERNEL_MAX}.x"
ewarn "You are free to try or use /etc/portage/patches, but support will"
ewarn "not be given and issues wait until NVIDIA releases a fixed version"
ewarn "(Gentoo will not accept patches for this)."
ewarn
ewarn "Do _not_ file a bug report if run into issues."
ewarn
fi
}
src_prepare() {
# make patches usable across versions
rm nvidia-modprobe && mv nvidia-modprobe{-${PV},} || die
rm nvidia-persistenced && mv nvidia-persistenced{-${PV},} || die
rm nvidia-settings && mv nvidia-settings{-${PV},} || die
rm nvidia-xconfig && mv nvidia-xconfig{-${PV},} || die
mv NVIDIA-kernel-module-source-${PV} kernel-module-source || die
default
# prevent detection of incomplete kernel DRM support (bug #603818)
sed 's/defined(CONFIG_DRM/defined(CONFIG_DRM_KMS_HELPER/g' \
-i kernel{,-module-source/kernel-open}/conftest.sh || die
# adjust service files
sed 's/__USER__/nvpd/' \
nvidia-persistenced/init/systemd/nvidia-persistenced.service.template \
> "${T}"/nvidia-persistenced.service || die
use !amd64 || sed -i "s|/usr|${EPREFIX}/opt|" systemd/system/nvidia-powerd.service || die
# enable nvidia-drm.modeset=1 by default with USE=wayland
cp "${FILESDIR}"/nvidia-470.conf "${T}"/nvidia.conf || die
use !wayland || sed -i '/^#.*modeset=1$/s/^#//' "${T}"/nvidia.conf || die
# makefile attempts to install wayland library even if not built
use wayland || sed -i 's/ WAYLAND_LIB_install$//' \
nvidia-settings/src/Makefile || die
# temporary option, nvidia will remove in the future
use !kernel-open ||
sed -i '/blacklist/a\
\
# Enable using kernel-open with workstation GPUs (experimental)\
options nvidia NVreg_OpenRmEnableUnsupportedGpus=1' "${T}"/nvidia.conf || die
}
src_compile() {
tc-export AR CC CXX LD OBJCOPY OBJDUMP
local -x RAW_LDFLAGS="$(get_abi_LDFLAGS) $(raw-ldflags)" # raw-ldflags.patch
local xnvflags=-fPIC #840389
# lto static libraries tend to cause problems without fat objects
is-flagq '-flto@(|=*)' && xnvflags+=" $(test-flags-CC -ffat-lto-objects)"
NV_ARGS=(
PREFIX="${EPREFIX}"/usr
HOST_CC="$(tc-getBUILD_CC)"
HOST_LD="$(tc-getBUILD_LD)"
BUILD_GTK2LIB=
NV_USE_BUNDLED_LIBJANSSON=0
NV_VERBOSE=1 DO_STRIP= MANPAGE_GZIP= OUTPUTDIR=out
WAYLAND_AVAILABLE=$(usex wayland 1 0)
XNVCTRL_CFLAGS="${xnvflags}"
)
if use driver; then
if linux_chkconfig_present GCC_PLUGINS; then
mkdir "${T}"/plugin-test || die
echo "obj-m += test.o" > "${T}"/plugin-test/Kbuild || die
:> "${T}"/plugin-test/test.c || die
if [[ $(LC_ALL=C make -C "${KV_OUT_DIR}" ARCH="$(tc-arch-kernel)" \
HOSTCC="$(tc-getBUILD_CC)" CC="${CC}" M="${T}"/plugin-test 2>&1) \
=~ "error: incompatible gcc/plugin version" ]]
then
eerror "Detected kernel was built with a different gcc/plugin version,"
eerror "Please 'make clean' and rebuild your kernel with the current"
eerror "gcc (or re-emerge for distribution kernels, including kernel-bin)."
die "kernel ${KV_FULL} needs to be rebuilt"
fi
fi
local o_cflags=${CFLAGS} o_cxxflags=${CXXFLAGS} o_ldflags=${LDFLAGS}
if use kernel-open; then
# building the nvidia "blob" fails with lto, and also need
# to strip in case of a different toolchain for the kernel
filter-lto
strip-unsupported-flags
fi
linux-mod_src_compile
CFLAGS=${o_cflags} CXXFLAGS=${o_cxxflags} LDFLAGS=${o_ldflags}
fi
emake "${NV_ARGS[@]}" -C nvidia-modprobe
use persistenced && emake "${NV_ARGS[@]}" -C nvidia-persistenced
use X && emake "${NV_ARGS[@]}" -C nvidia-xconfig
if use tools; then
# cflags: avoid noisy logs, only use here and set first to let override
CFLAGS="-Wno-deprecated-declarations ${CFLAGS}" \
emake "${NV_ARGS[@]}" -C nvidia-settings
elif use static-libs; then
# pretend GTK+3 is available, not actually used (bug #880879)
emake "${NV_ARGS[@]}" BUILD_GTK3LIB=1 \
-C nvidia-settings/src out/libXNVCtrl.a
fi
}
src_install() {
local libdir=$(get_libdir) libdir32=$(ABI=x86 get_libdir)
NV_ARGS+=( DESTDIR="${D}" LIBDIR="${ED}"/usr/${libdir} )
local -A paths=(
[APPLICATION_PROFILE]=/usr/share/nvidia
[CUDA_ICD]=/etc/OpenCL/vendors
[EGL_EXTERNAL_PLATFORM_JSON]=/usr/share/egl/egl_external_platform.d
[FIRMWARE]=/lib/firmware/nvidia/${PV}
[GBM_BACKEND_LIB_SYMLINK]=/usr/${libdir}/gbm
[GLVND_EGL_ICD_JSON]=/usr/share/glvnd/egl_vendor.d
[VULKAN_ICD_JSON]=/usr/share/vulkan
[WINE_LIB]=/usr/${libdir}/nvidia/wine
[XORG_OUTPUTCLASS_CONFIG]=/usr/share/X11/xorg.conf.d
[GLX_MODULE_SHARED_LIB]=/usr/${libdir}/xorg/modules/extensions
[GLX_MODULE_SYMLINK]=/usr/${libdir}/xorg/modules
[XMODULE_SHARED_LIB]=/usr/${libdir}/xorg/modules
)
local skip_files=(
# nvidia_icd/layers(vulkan): skip with -X too as it uses libGLX_nvidia
$(usev !X "
libGLX_nvidia libglxserver_nvidia
nvidia_icd.json nvidia_layers.json")
$(usev !wayland libnvidia-vulkan-producer)
libGLX_indirect # non-glvnd unused fallback
libnvidia-{gtk,wayland-client} nvidia-{settings,xconfig} # from source
libnvidia-egl-gbm 15_nvidia_gbm # gui-libs/egl-gbm
libnvidia-egl-wayland 10_nvidia_wayland # gui-libs/egl-wayland
)
local skip_modules=(
$(usev !X "nvfbc vdpau xdriver")
$(usev !driver gsp)
installer nvpd # handled separately / built from source
)
local skip_types=(
GLVND_LIB GLVND_SYMLINK EGL_CLIENT.\* GLX_CLIENT.\* # media-libs/libglvnd
OPENCL_WRAPPER.\* # virtual/opencl
DOCUMENTATION DOT_DESKTOP .\*_SRC DKMS_CONF SYSTEMD_UNIT # handled separately / unused
)
local DOCS=(
README.txt NVIDIA_Changelog supported-gpus/supported-gpus.json
nvidia-settings/doc/{FRAMELOCK,NV-CONTROL-API}.txt
)
local HTML_DOCS=( html/. )
einstalldocs
local DISABLE_AUTOFORMATTING=yes
local DOC_CONTENTS="\
Trusted users should be in the 'video' group to use NVIDIA devices.
You can add yourself by using: gpasswd -a my-user video\
$(usev driver "
Like all out-of-tree kernel modules, it is necessary to rebuild
${PN} after upgrading or rebuilding the Linux kernel
by for example running \`emerge @module-rebuild\`. Alternatively,
if using a distribution kernel (sys-kernel/gentoo-kernel{,-bin}),
this can be automated by setting USE=dist-kernel globally.
Loaded kernel modules also must not mismatch with the installed
${PN} version (excluding -r revision), meaning should
ensure \`eselect kernel list\` points to the kernel that will be
booted before building and preferably reboot after upgrading
${PN} (the ebuild will emit a warning if mismatching).
See '${EPREFIX}/etc/modprobe.d/nvidia.conf' for modules options.")\
$(use amd64 && usev !abi_x86_32 "
Note that without USE=abi_x86_32 on ${PN}, 32bit applications
(typically using wine / steam) will not be able to use GPU acceleration.")
For general information on using ${PN}, please see:
https://wiki.gentoo.org/wiki/NVIDIA/nvidia-drivers"
readme.gentoo_create_doc
if use driver; then
linux-mod_src_install
insinto /etc/modprobe.d
doins "${T}"/nvidia.conf
# used for gpu verification with binpkgs (not kept, see pkg_preinst)
insinto /usr/share/nvidia
doins supported-gpus/supported-gpus.json
fi
emake "${NV_ARGS[@]}" -C nvidia-modprobe install
fowners :video /usr/bin/nvidia-modprobe #505092
fperms 4710 /usr/bin/nvidia-modprobe
if use persistenced; then
emake "${NV_ARGS[@]}" -C nvidia-persistenced install
newconfd "${FILESDIR}"/nvidia-persistenced.confd nvidia-persistenced
newinitd "${FILESDIR}"/nvidia-persistenced.initd nvidia-persistenced
systemd_dounit "${T}"/nvidia-persistenced.service
fi
if use tools; then
emake "${NV_ARGS[@]}" -C nvidia-settings install
doicon nvidia-settings/doc/nvidia-settings.png
domenu nvidia-settings/doc/nvidia-settings.desktop
exeinto /etc/X11/xinit/xinitrc.d
newexe "${FILESDIR}"/95-nvidia-settings-r1 95-nvidia-settings
fi
if use static-libs; then
dolib.a nvidia-settings/src/out/libXNVCtrl.a
insinto /usr/include/NVCtrl
doins nvidia-settings/src/libXNVCtrl/NVCtrl{Lib,}.h
fi
use X && emake "${NV_ARGS[@]}" -C nvidia-xconfig install
# mimic nvidia-installer by reading .manifest to install files
# 0:file 1:perms 2:type 3+:subtype/arguments -:module
local m into
while IFS=' ' read -ra m; do
! [[ ${#m[@]} -ge 2 && ${m[-1]} =~ MODULE: ]] ||
[[ " ${m[0]##*/}" =~ ^(\ ${skip_files[*]/%/.*|\\} )$ ]] ||
[[ " ${m[2]}" =~ ^(\ ${skip_types[*]/%/|\\} )$ ]] ||
has ${m[-1]#MODULE:} "${skip_modules[@]}" && continue
case ${m[2]} in
MANPAGE)
gzip -dc ${m[0]} | newman - ${m[0]%.gz}; assert
continue
;;
GBM_BACKEND_LIB_SYMLINK) m[4]=../${m[4]};; # missing ../
VDPAU_SYMLINK) m[4]=vdpau/; m[5]=${m[5]#vdpau/};; # .so to vdpau/
esac
if [[ -v paths[${m[2]}] ]]; then
into=${paths[${m[2]}]}
elif [[ ${m[2]} =~ _BINARY$ ]]; then
into=/opt/bin
elif [[ ${m[3]} == COMPAT32 ]]; then
use abi_x86_32 || continue
into=/usr/${libdir32}
elif [[ ${m[2]} =~ _LIB$|_SYMLINK$ ]]; then
into=/usr/${libdir}
else
die "No known installation path for ${m[0]}"
fi
[[ ${m[3]: -2} == ?/ ]] && into+=/${m[3]%/}
[[ ${m[4]: -2} == ?/ ]] && into+=/${m[4]%/}
if [[ ${m[2]} =~ _SYMLINK$ ]]; then
[[ ${m[4]: -1} == / ]] && m[4]=${m[5]}
dosym ${m[4]} ${into}/${m[0]}
continue
fi
[[ ${m[0]} =~ ^libnvidia-ngx.so|^libnvidia-egl-gbm.so ]] &&
dosym ${m[0]} ${into}/${m[0]%.so*}.so.1 # soname not in .manifest
printf -v m[1] %o $((m[1] | 0200)) # 444->644
insopts -m${m[1]}
insinto ${into}
doins ${m[0]}
done < .manifest || die
# MODULE:installer non-skipped extras
: "$(systemd_get_sleepdir)"
exeinto "${_#"${EPREFIX}"}"
doexe systemd/system-sleep/nvidia
dobin systemd/nvidia-sleep.sh
systemd_dounit systemd/system/nvidia-{hibernate,resume,suspend}.service
dobin nvidia-bug-report.sh
# MODULE:powerd extras
if use amd64; then
systemd_dounit systemd/system/nvidia-powerd.service
insinto /usr/share/dbus-1/system.d
doins nvidia-dbus.conf
fi
# symlink non-versioned so nvidia-settings can use it even if misdetected
dosym nvidia-application-profiles-${PV}-key-documentation \
${paths[APPLICATION_PROFILE]}/nvidia-application-profiles-key-documentation
# don't attempt to strip firmware files (silences errors)
dostrip -x ${paths[FIRMWARE]}
}
pkg_preinst() {
has_version "${CATEGORY}/${PN}[wayland]" && NV_HAD_WAYLAND=
use driver || return
linux-mod_pkg_preinst
# set video group id based on live system (bug #491414)
local g=$(egetent group video | cut -d: -f3)
[[ ${g} =~ ^[0-9]+$ ]] || die "Failed to determine video group id (got '${g}')"
sed -i "s/@VIDEOGID@/${g}/" "${ED}"/etc/modprobe.d/nvidia.conf || die
# try to find driver mismatches using temporary supported-gpus.json
for g in $(grep -l 0x10de /sys/bus/pci/devices/*/vendor 2>/dev/null); do
g=$(grep -io "\"devid\":\"$(<${g%vendor}device)\"[^}]*branch\":\"[0-9]*" \
"${ED}"/usr/share/nvidia/supported-gpus.json 2>/dev/null)
if [[ ${g} ]]; then
g=$((${g##*\"}+1))
if ver_test -ge ${g}; then
NV_LEGACY_MASK=">=${CATEGORY}/${PN}-${g}"
break
fi
fi
done
rm "${ED}"/usr/share/nvidia/supported-gpus.json || die
}
pkg_postinst() {
linux-mod_pkg_postinst
readme.gentoo_print_elog
if [[ -r /proc/driver/nvidia/version &&
$(</proc/driver/nvidia/version) != *" ${PV} "* ]]; then
ewarn "Currently loaded NVIDIA modules do not match the newly installed"
ewarn "libraries and may prevent launching GPU-accelerated applications."
use driver && ewarn "The easiest way to fix this is usually to reboot."
fi
if [[ $(</proc/cmdline) == *slub_debug=[!-]* ]]; then
ewarn "Detected that the current kernel command line is using 'slub_debug=',"
ewarn "this may lead to system instability/freezes with this version of"
ewarn "${PN}. Bug: https://bugs.gentoo.org/796329"
fi
if [[ -v NV_LEGACY_MASK ]]; then
ewarn
ewarn "***WARNING***"
ewarn
ewarn "You are installing a version of ${PN} known not to work"
ewarn "with a GPU of the current system. If unwanted, add the mask:"
if [[ -d ${EROOT}/etc/portage/package.mask ]]; then
ewarn " echo '${NV_LEGACY_MASK}' > ${EROOT}/etc/portage/package.mask/${PN}"
else
ewarn " echo '${NV_LEGACY_MASK}' >> ${EROOT}/etc/portage/package.mask"
fi
ewarn "...then downgrade to a legacy[1] branch if possible (not all old versions"
ewarn "are available or fully functional, may need to consider nouveau[2])."
ewarn "[1] https://www.nvidia.com/object/IO_32667.html"
ewarn "[2] https://wiki.gentoo.org/wiki/Nouveau"
fi
if use kernel-open; then
ewarn
ewarn "Open source variant of ${PN} was selected, be warned it is experimental"
ewarn "and only usable with Turing / Ampere and later GPUs, aka GTX 1650+."
ewarn "Please also see: ${EROOT}/usr/share/doc/${PF}/html/kernel_open.html"
ewarn
ewarn "Many features are not yet implemented in the drivers and limitations are"
ewarn "to be expected. Please do not report non-build/packaging bugs to Gentoo."
ewarn "Switch back to USE=-kernel-open to restore functionality if needed for now."
fi
if use wayland && use driver && [[ ! -v NV_HAD_WAYLAND ]]; then
elog
elog "With USE=wayland, this version of ${PN} sets nvidia-drm.modeset=1"
elog "in '${EROOT}/etc/modprobe.d/nvidia.conf'. This feature is considered"
elog "experimental but is required for wayland."
elog
elog "If you experience issues, either disable wayland or edit nvidia.conf."
elog "Of note, may possibly cause issues with SLI and Reverse PRIME."
fi
}
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