Compare with the PCI configure registers that change between sleep/wake
are the offset 0x2c~0x2f, which are the subsystem vendor ID and
subsystem ID, these IDs can mainly be used for further identification of
a device. If the chip in itself is a generic interface chip to a local
(onboard) bus, it is often used in several completely different roles,
and the driver must identify the actual device it is talking with. The
subsystem identifiers are used to this aim.
Checking with the lspci,
it should be the device,
01:00.0 3D controller [0302]: NVIDIA Corporation GF117M [GeForce 610M/710M / GT
620M/625M/630M/720M] [10de:1140]
Subsystem: Lenovo GeForce GT 720M
Not sure if the NVIDIA driver need to use these SVID,SID.
It might need to do the function tests for this device to see if it work
normal before sleep/after wake.
** Changed in: linux-lts-saucy (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1312634
Title:
[Lenovo L440] fwts DevConfigDiffAfterS3 and DevConfigDiffAfterS4
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