Hi, On Mon, Sep 25, 2023 at 11:09:01AM +0200, Damien Le Moal wrote: > On 2023/09/25 10:05, Mika Westerberg wrote: > > Intel Alder Lake-P AHCI controller needs to be added to the mobile > > chipsets list in order to have link power management enabled. Without > > this the CPU cannot enter lower power C-states making idle power > > consumption high. > > > > Cc: Koba Ko <koba.ko@xxxxxxxxxxxxx> > > Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> > > Looks OK, but given that there is a tendency of the low power stuff to be buggy, > was this well tested ? Yes it was tested (Koba Cc'd can confirm this). We also confirmed from Intel AHCI folks that the ADL (and RPL) AHCI controllers fully support this configuration. > Also, does this need a Fixes/CC stable tag ? If not, I > will queue this for 6.7. Up to you :) Typically PCI ID additions can go to stable as well. No fixes tag needed, though (there is no commit that this one fixes). Thanks!
