commit:     79976f6c3687f1a644624cc0dbba651323351716
Author:     Ionen Wolkens <ionen <AT> gentoo <DOT> org>
AuthorDate: Wed Dec 15 10:44:34 2021 +0000
Commit:     Ionen Wolkens <ionen <AT> gentoo <DOT> org>
CommitDate: Wed Dec 15 10:44:36 2021 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=79976f6c

x11-drivers/nvidia-drivers: add 470.62.16:0/vulkan

Signed-off-by: Ionen Wolkens <ionen <AT> gentoo.org>

 x11-drivers/nvidia-drivers/Manifest                |   1 +
 .../nvidia-drivers/nvidia-drivers-470.62.16.ebuild | 449 +++++++++++++++++++++
 2 files changed, 450 insertions(+)

diff --git a/x11-drivers/nvidia-drivers/Manifest 
b/x11-drivers/nvidia-drivers/Manifest
index 14fbc50c3c47..a3c6e8895135 100644
--- a/x11-drivers/nvidia-drivers/Manifest
+++ b/x11-drivers/nvidia-drivers/Manifest
@@ -7,6 +7,7 @@ DIST NVIDIA-Linux-x86-390.144.run 49210937 BLAKE2B 
b7e6edb55af88be74e4322ff1d270
 DIST NVIDIA-Linux-x86_64-390.144.run 85000417 BLAKE2B 
8ecfa768fb8fe92170ff5b82698a7fb22da8bc557ab2036464bf5650b6fffc7028e25a68e1f5638f6bc171eb45a4aba459465490c7a99aacd36dc769994062e8
 SHA512 
9503ebf41037a14deba995288a364768cb03fb682de8653a4b0c05955b23603443c41c4216c93eac7d7efc301734416012864ede728324ab47b93ff167d93da4
 DIST NVIDIA-Linux-x86_64-460.91.03.run 178201292 BLAKE2B 
4d407b7bb3a99ab71c62c3cd18dc3549c98a24e7af28276e6e6a21dd33efcab017fed3f782f6dfb060c4437cd718f19c2f9900de367cc47bf19fa2718a18ad55
 SHA512 
4ac11130fe5a8f1c26f459e9c19660b3ff6f23011e9f77b09ca948fc42609e523ecea70d3bf6def50a75b4a3079ab280018753fb6e53875d9bb8093a033e3b70
 DIST NVIDIA-Linux-x86_64-470.62.13.run 272974366 BLAKE2B 
08f8e5828adf3823f0988abb67c0a2b92b80637b2a28e24f056884aabad69c7ac929c8c32594c3d63d8a1ee69f58f9a99cadab9b1a2bc3e42ddab3146ab7376c
 SHA512 
5228bdb88a005bec9cd66f23197b0f1ee8b9d7c5c68b3d13352102125d21da67c6800cbe18215d77f2b3dc59a7ab9cdaf78f42b21e87b7eb8123bbc9f3b6a42e
+DIST NVIDIA-Linux-x86_64-470.62.16.run 270377842 BLAKE2B 
6f6263a8652c07e8da7dfc6663f31125ecb605620cd2da05e0972c0787cd43f49779b5354c38f55dafe468b7adb5ddccbdad1a5a361a599f26175156aca8410f
 SHA512 
bb541d59eb908d6b2a255f11af01257f34fe4d7e6807ba19de957da8f0a3b428854bf5b97c71134d3a705ea27598fe0b940bd1c4055026bd90ffe04c1880ca9b
 DIST NVIDIA-Linux-x86_64-470.86.run 273149806 BLAKE2B 
c7f5a64dfb6547856d5bccdce0fcce0f6180966961245508cdc96e672ae500940f35fad0a9b8e8e9692b5cc67d68504371e041364e3a367deb4e1c3c75222c20
 SHA512 
e541549967ee992b8e6812cb6a294307217e66c7380ec17ff143ddc637f6e3a5b6c807ba8e29bf4c3d6813d7589a41aa124e8a5709a484ecf7fedfe420598a06
 DIST NVIDIA-Linux-x86_64-470.94.run 272262854 BLAKE2B 
23785ec9d434f48793547a3a0d8708c0928b1926f9d8973d872f1745291095cba494310b2fa25a62f3d29bfb4f660fa1ef78d49da651d8a094a23d64ca110e8a
 SHA512 
b70542af04691da623b494d49fcbd58c58b83388fdb1c7ea6dcc779755b595444a324f613840ccbba0d9029456668376fe6049a3e4496c6054efbbf1e0a59c0f
 DIST NVIDIA-Linux-x86_64-495.44.run 282259831 BLAKE2B 
ca11406a5b1b25d9691ec61d4125457c22438b8f0af0651043235f72ee75c4b264cfde7b04840bbec15c22bc5eb657a46326b49941e6c776a8990430cf052818
 SHA512 
bc9054e6028ba172906e6eb9a0b8f5cfc3ae74d57f3e95e0f9057879e3af07a4b19479e80d81e948872bc47bbd674f77f5f81d4debd2e2c3ce45058cd9211802

diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-470.62.16.ebuild 
b/x11-drivers/nvidia-drivers/nvidia-drivers-470.62.16.ebuild
new file mode 100644
index 000000000000..3d69f2220850
--- /dev/null
+++ b/x11-drivers/nvidia-drivers/nvidia-drivers-470.62.16.ebuild
@@ -0,0 +1,449 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+MODULES_OPTIONAL_USE="driver"
+inherit desktop flag-o-matic linux-mod multilib readme.gentoo-r1 \
+       systemd toolchain-funcs unpacker
+
+NV_KERNEL_MAX="5.15"
+NV_URI="https://download.nvidia.com/XFree86/";
+NV_PIN="470.86"
+
+DESCRIPTION="NVIDIA Accelerated Graphics Driver"
+HOMEPAGE="https://developer.nvidia.com/vulkan-driver";
+SRC_URI="
+       https://developer.nvidia.com/vulkan-beta-${PV//.}-linux -> 
NVIDIA-Linux-x86_64-${PV}.run
+       $(printf "${NV_URI}%s/%s-${NV_PIN}.tar.bz2 " \
+               nvidia-{installer,modprobe,persistenced,settings,xconfig}{,})"
+# nvidia-installer is unused but here for GPL-2's "distribute sources"
+S="${WORKDIR}"
+
+LICENSE="NVIDIA-r2 BSD BSD-2 GPL-2 MIT ZLIB curl openssl"
+SLOT="0/vulkan"
+KEYWORDS="-* ~amd64"
+IUSE="+X abi_x86_32 abi_x86_64 +driver persistenced static-libs +tools wayland"
+
+COMMON_DEPEND="
+       acct-group/video
+       persistenced? (
+               acct-user/nvpd
+               net-libs/libtirpc:=
+       )
+       tools? (
+               dev-libs/atk
+               dev-libs/glib:2
+               dev-libs/jansson:=
+               media-libs/harfbuzz:=
+               x11-libs/cairo
+               x11-libs/gdk-pixbuf:2
+               x11-libs/gtk+:3
+               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-wayland-1.1.7
+               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-modprobe-390.141-uvm-perms.patch
+       "${FILESDIR}"/nvidia-settings-390.144-desktop.patch
+       "${FILESDIR}"/nvidia-settings-390.144-no-gtk2.patch
+       "${FILESDIR}"/nvidia-settings-390.144-raw-ldflags.patch
+)
+
+pkg_setup() {
+       use driver || return
+
+       local CONFIG_CHECK="
+               PROC_FS
+               ~DRM_KMS_HELPER
+               ~SYSVIPC
+               ~!DRM_SIMPLEDRM
+               ~!LOCKDEP
+               ~!SLUB_DEBUG_ON
+               !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.
+       Note: DRM_SIMPLEDRM may cause issues and is better disabled for now."
+
+       use amd64 && kernel_is -ge 5 8 && CONFIG_CHECK+=" X86_PAT" #817764
+
+       MODULE_NAMES="
+               nvidia(video:kernel)
+               nvidia-drm(video:kernel)
+               nvidia-modeset(video:kernel)
+               nvidia-peermem(video:kernel)
+               nvidia-uvm(video:kernel)"
+
+       linux-mod_pkg_setup
+
+       [[ ${MERGE_TYPE} == binary ]] && return
+
+       BUILD_PARAMS='NV_VERBOSE=1 IGNORE_CC_MISMATCH=yes SYSSRC="${KV_DIR}" 
SYSOUT="${KV_OUT_DIR}"'
+       BUILD_TARGETS="modules"
+
+       if linux_chkconfig_present CC_IS_CLANG; then
+               ewarn "Warning: building ${PN} with a clang-built kernel is 
experimental"
+
+               BUILD_PARAMS+=' CC=${CHOST}-clang'
+               if linux_chkconfig_present LD_IS_LLD; then
+                       BUILD_PARAMS+=' LD=ld.lld'
+                       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
+               fi
+       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}"
+               ewarn "  <=sys-kernel/gentoo-sources-${NV_KERNEL_MAX}"
+               ewarn "You are free to try or use /etc/portage/patches, but 
support will"
+               ewarn "not be given and issues wait until NVIDIA releases a 
fixed version."
+               ewarn
+               ewarn "Do _not_ file a bug report if run into issues."
+               ewarn
+       fi
+}
+
+src_prepare() {
+       # make patches usable across versions
+       rm nvidia-modprobe && mv nvidia-modprobe{-${NV_PIN},} || die
+       rm nvidia-persistenced && mv nvidia-persistenced{-${NV_PIN},} || die
+       rm nvidia-settings && mv nvidia-settings{-${NV_PIN},} || die
+       rm nvidia-xconfig && mv nvidia-xconfig{-${NV_PIN},} || die
+
+       default
+
+       # prevent detection of incomplete kernel DRM support (bug #603818)
+       sed 's/defined(CONFIG_DRM/defined(CONFIG_DRM_KMS_HELPER/g' \
+               -i kernel/conftest.sh || die
+
+       sed 's/__USER__/nvpd/' \
+               
nvidia-persistenced/init/systemd/nvidia-persistenced.service.template \
+               > "${T}"/nvidia-persistenced.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
+}
+
+src_compile() {
+       tc-export AR CC LD OBJCOPY
+
+       NV_ARGS=(
+               PREFIX="${EPREFIX}"/usr
+               HOST_CC="$(tc-getBUILD_CC)"
+               HOST_LD="$(tc-getBUILD_LD)"
+               NV_USE_BUNDLED_LIBJANSSON=0
+               NV_VERBOSE=1 DO_STRIP= MANPAGE_GZIP= OUTPUTDIR=out
+       )
+
+       use driver && linux-mod_src_compile
+
+       emake "${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
+               # ldflags: abi currently needed if LD=ld.lld
+               CFLAGS="-Wno-deprecated-declarations ${CFLAGS}" \
+                       RAW_LDFLAGS="$(get_abi_LDFLAGS) $(raw-ldflags)" \
+                       emake "${NV_ARGS[@]}" -C nvidia-settings
+       elif use static-libs; then
+               emake "${NV_ARGS[@]}" -C nvidia-settings/src out/libXNVCtrl.a
+       fi
+}
+
+src_install() {
+       local libdir=$(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/${PV}
+               [GLVND_EGL_ICD_JSON]=/usr/share/glvnd/egl_vendor.d
+               [VULKAN_ICD_JSON]=/usr/share/vulkan
+               [WINE_LIB]=/usr/${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=(
+               $(usex X '' '
+                       libGLX_nvidia libglxserver_nvidia
+                       libnvidia-ifr
+                       nvidia_icd.json nvidia_layers.json')
+               $(usex wayland '' 'libnvidia-vulkan-producer')
+               libGLX_indirect # non-glvnd unused fallback
+               libnvidia-gtk nvidia-{settings,xconfig} # built from source
+               libnvidia-egl-wayland 10_nvidia_wayland # gui-libs/egl-wayland
+       )
+       local skip_modules=(
+               $(usex X '' 'nvfbc vdpau xdriver')
+               $(usex driver '' 'gsp')
+               installer nvpd # handled separately / built from source
+       )
+       local skip_types=(
+               GLVND_LIB GLVND_SYMLINK EGL_CLIENT.\* GLX_CLIENT.\* # 
media-libs/libglvnd
+               OPENCL_WRAPPER.\* # virtual/opencl
+               DOCUMENTATION DOT_DESKTOP .\*_SRC DKMS_CONF # handled 
separately / unused
+       )
+
+       local DOCS=(
+               README.txt NVIDIA_Changelog supported-gpus/supported-gpus.json
+               nvidia-settings/doc/{FRAMELOCK,NV-CONTROL-API}.txt
+       )
+       local HTML_DOCS=( html/. )
+       einstalldocs
+
+       local DISABLE_AUTOFORMATTING=yes
+       local DOC_CONTENTS="\
+Trusted users should be in the 'video' group to use NVIDIA devices.
+You can add yourself by using: gpasswd -a my-user video
+
+See '${EPREFIX}/etc/modprobe.d/nvidia.conf' for modules options.\
+$(use amd64 && usex 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: ]] ||
+                       eval '[[ " ${m[0]##*/}" =~ ^(\ 
'${skip_files[*]/%/.*|\\}' )$ ]]' ||
+                       eval '[[ " ${m[2]}" =~ ^(\ '${skip_types[*]/%/|\\}' )$ 
]]' ||
+                       has ${m[-1]#MODULE:} "${skip_modules[@]}" && continue
+
+               case ${m[2]} in
+                       MANPAGE)
+                               gzip -dc ${m[0]} | newman - ${m[0]%.gz}; assert
+                               continue
+                       ;;
+                       VDPAU_SYMLINK) m[4]=vdpau/; m[5]=${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 ]] &&
+                       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 ${m[0]}
+       done < .manifest || die
+
+       # MODULE:installer non-skipped extras
+       exeinto /lib/systemd/system-sleep
+       doexe systemd/system-sleep/nvidia
+       dobin systemd/nvidia-sleep.sh
+       systemd_dounit systemd/system/nvidia-{hibernate,resume,suspend}.service
+
+       dobin nvidia-bug-report.sh
+}
+
+pkg_preinst() {
+       has_version "${CATEGORY}/${PN}[abi_x86_32]" && NV_HAD_ABI32=
+       has_version "${CATEGORY}/${PN}[wayland]" && NV_HAD_WAYLAND=
+
+       use driver || return
+       linux-mod_pkg_preinst
+
+       # set video group id based on live system (bug #491414)
+       local g=$(getent group video | cut -d: -f3)
+       [[ ${g} ]] || die "Failed to determine video group id"
+       sed -i "s/@VIDEOGID@/${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() {
+       use driver && 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 branch if possible. For 
details, see:"
+               ewarn "https://www.nvidia.com/object/IO_32667.html";
+       fi
+
+       if use !abi_x86_32 && [[ -v NV_HAD_ABI32 ]]; then
+               elog
+               elog "USE=abi_x86_32 is disabled, 32bit applications will not 
be able to"
+               elog "use nvidia-drivers for acceleration without it (e.g. 
commonly used"
+               elog "with app-emulation/wine-* or steam). Re-enable if needed."
+       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."
+               elog
+               elog "This version of ${PN} only supports EGLStream which is 
only"
+               elog "supported by a few wayland compositors (e.g. kwin / 
mutter, not sway)."
+       fi
+
+       # Try to show this message only to users that may really need it
+       # given the workaround is discouraged and usage isn't widespread.
+       if use X && [[ ${REPLACING_VERSIONS} ]] &&
+               ver_test ${REPLACING_VERSIONS} -lt 460.73.01 &&
+               grep -qr Coolbits 
"${EROOT}"/etc/X11/{xorg.conf,xorg.conf.d/*.conf} 2>/dev/null; then
+               elog
+               elog "Coolbits support with ${PN} has been restricted to 
require Xorg"
+               elog "with root privilege by NVIDIA (being in video group is 
not sufficient)."
+               elog "e.g. attempting to change fan speed with nvidia-settings 
would fail."
+               elog
+               elog "Depending on your display manager (e.g. sddm starts X as 
root, gdm doesn't)"
+               elog "or if using startx, it may be necessary to emerge 
x11-base/xorg-server with"
+               elog 'USE="suid -elogind -systemd" if wish to keep using this 
feature.'
+               elog "Bug: https://bugs.gentoo.org/784248";
+       fi
+}

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