Been looking around my DSDT.dsl file and found that using
\_SB.PCI0.PEGP.VGA._OFF probably turns off my discrete graphics card.
After I run echo '\_SB.PCI0.PEGP.VGA._OFF' > /proc/acpi/call the laptop runs
abit cooler, and the lspci -v gives me
01:00.0 VGA compatible controller: nVidia Corporation Device 0a69 (rev ff)
(prog-if ff)
!!! Unknown header type 7f
echo '\_SB.PCI0.PEGP.VGA._ON' > /proc/acpi/call the temperature increases
almost instant. and lspci -v produces
01:00.0 VGA compatible controller: nVidia Corporation Device 0a69 (rev a2)
Subsystem: Hewlett-Packard Company Device 142e
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at f0000000 (32-bit, non-prefetchable) [size=16M]
Memory at c0000000 (64-bit, prefetchable) [size=256M]
Memory at d0000000 (64-bit, prefetchable) [size=32M]
I/O ports at 4000 [disabled] [size=128]
Expansion ROM at f1080000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel modules: nvidiafb, nouveau
I'am using an HP DM3-1130eo laptop. (see comment above)
--
support graphics card hot switch
https://bugs.launchpad.net/bugs/312756
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