bbswitch does work on my dell inspiron 7737 which contains the following
graphics bits:
00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT
Integrated Graphics Controller [8086:0a16] (rev 09) (prog-if 00 [VGA
controller])
04:00.0 3D controller [0302]: NVIDIA Corporation GK107M [GeForce GT 750M]
[10de:0fe4] (rev a1)
heres the logs
Mar 28 13:51:21 rome kernel: [ 4.711206] bbswitch: version 0.7
Mar 28 13:51:21 rome kernel: [ 4.711213] bbswitch: Found integrated VGA
device 0000:00:02.0: \_SB_.PCI0.GFX0
Mar 28 13:51:21 rome kernel: [ 4.711219] bbswitch: Found discrete VGA device
0000:04:00.0: \_SB_.PCI0.RP05.PXSX
Mar 28 13:51:21 rome kernel: [ 4.711231] bbswitch: failed to evaluate
\_SB_.PCI0.RP05.PXSX._DSM
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
0x100 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
Mar 28 13:51:21 rome kernel: [ 4.711238] bbswitch: failed to evaluate
\_SB_.PCI0.RP05.PXSX._DSM
{0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4}
0x102 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
Mar 28 13:51:21 rome kernel: [ 4.711246] ACPI Warning: \_SB_.PCI0.GFX0._DSM:
Argument #4 type mismatch - Found [Buffer], ACPI requires [Package]
(20130517/nsarguments-95)
Mar 28 13:51:21 rome kernel: [ 4.711294] bbswitch: No suitable _DSM call
found.
and i've attached the get-acpi-info.sh
Happy to test fixes or supply more info if needed
** Attachment added: "Dell_Inc.-Inspiron_7737.tar.gz"
https://bugs.launchpad.net/lpbugreporter/+bug/752542/+attachment/4048955/+files/Dell_Inc.-Inspiron_7737.tar.gz
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Title:
ACPI DSDT info
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