From: Takashi Iwai <ti...@suse.de> Date: Thu, 29 Aug 2019 07:20:44 +0200
> On Thu, 29 Aug 2019 01:09:37 +0200, > David Miller wrote: >> >> From: Takashi Iwai <ti...@suse.de> >> Date: Wed, 28 Aug 2019 08:31:19 +0200 >> >> > A similar workaround for the suspend/resume problem is needed for yet >> > another ASUS machines, P6X models. Like the previous fix, the BIOS >> > doesn't provide the standard DMI_SYS_* entry, so again DMI_BOARD_* >> > entries are used instead. >> > >> > Reported-and-tested-by: SteveM <s...@swm1.com> >> > Signed-off-by: Takashi Iwai <ti...@suse.de> >> >> Applied, but this is getting suspicious. >> >> It looks like MSI generally is not restored properly on resume on these >> boards, so maybe there simply needs to be a generic PCI quirk for that? > > Yes, I wondered that, too. > But, e.g. HD-audio should use MSI on Intel platforms, and if the > problem were generic, it must suffer from the same issue, and I > haven't heard of such, so far. So it's likely specific to some > limited devices, as it seems. There must be some state of MSI state on the sky2 chip that is restored by most BIOS/chipsets but not this one. Some part of PCI config space or something.