Re: [PATCH] PCI / ACPI: Do not request control of ASPM if the BIOShas disabled it

[Jean Delvare]

Hi Matthew,

Le jeudi 24 mai 2012 Ã 21:45 +0100, Matthew Garrett a Ãcrit :
> On Thu, May 24, 2012 at 10:45:45PM +0200, Rafael J. Wysocki wrote:
> 
> > However, knowing that the BIOS doesn't support ASPM, we shouldn't
> > request the control of it, so we should remove
> > (OSC_ACTIVE_STATE_PWR_SUPPORT | OSC_CLOCK_PWR_CAPABILITY_SUPPORT)
> > from the flags before calling acpi_pci_osc_control_set() in those
> > cases.  Failing to do so causes the evaluation of _OSC for the PCI
> > root bridge to return error codes on some systems where it should
> > work correctly.
> 
> Is there an example of an affected machine's DSDT?

Attached.

Jean

Attachment: DSDT.dat
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