Aggressive Link Power Management

[Colin Ian King]

On 15/01/12 23:52, Matthew Garrett wrote:
> On Thu, Jan 12, 2012 at 11:35:23AM +0100, Colin Ian King wrote:
>
>> 1. Try to identify controllers that incorrectly report ASPM capability
>> (HOST_CAP_ALPM aka CAP.SALP, bit 26 of the Host Capabilities Register) and
>> blacklist deviant devices. An example Errata is:
>>   http://www.intel.com/content/dam/doc/specification-update/io-controller-hub-6-family-specification-update.pdf, page 28.
> That erratum seems to just say that the bit should be flagged as R/WO
> rather than R/W. ALPM should be supported on all ich6 other than B1
> steppings.
Ah, my misunderstanding. Thanks for clarifying this.

Do you have a definitive list of correct and working ALPM support on 
devices and any ideas why some on some hardware ALPM just seems to fail?

Colin