blob: 373f814f6e024a6ea2a45a870169b7025fd1730d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
{ stdenv, fetchurl, kernel }:
let
baseName = "bbswitch";
version = "0.7";
name = "${baseName}-${version}-${kernel.version}";
in
stdenv.mkDerivation {
inherit name;
src = fetchurl {
url = "https://github.com/Bumblebee-Project/${baseName}/archive/v${version}.tar.gz";
sha256 = "0na6gfnvmp5fjbm430ms342hmrsbr6cf78n6hldqb8js2ry3f8dw";
};
preBuild = ''
substituteInPlace Makefile \
--replace "\$(shell uname -r)" "${kernel.modDirVersion}" \
--replace "/lib/modules" "${kernel.dev}/lib/modules"
'';
installPhase = ''
ensureDir $out/lib/modules/${kernel.modDirVersion}/misc
cp bbswitch.ko $out/lib/modules/${kernel.modDirVersion}/misc
ensureDir $out/bin
tee $out/bin/discrete_vga_poweroff << EOF
#!/bin/sh
echo -n OFF > /proc/acpi/bbswitch
EOF
tee $out/bin/discrete_vga_poweron << EOF
#!/bin/sh
echo -n ON > /proc/acpi/bbswitch
EOF
chmod +x $out/bin/discrete_vga_poweroff $out/bin/discrete_vga_poweron
'';
meta = {
platforms = stdenv.lib.platforms.linux;
description = "A module for powering off hybrid GPUs";
};
}
|