Re: [PATCH 1/2] PCI/ASPM: Store disabled ASPM states

2020-12-09 Thread Kai-Heng Feng
> On Dec 9, 2020, at 01:11, Heiner Kallweit wrote: > > Am 08.12.2020 um 09:25 schrieb Kai-Heng Feng: >> If we use sysfs to disable L1 ASPM, then enable one L1 ASPM substate >> again, all other substates will also be enabled too: >> >> link# grep . * >> clkpm:1 >> l0s_aspm:1 >> l1_1_aspm:1 >>

Re: [PATCH 1/2] PCI/ASPM: Store disabled ASPM states

2020-12-08 Thread Heiner Kallweit
Am 08.12.2020 um 09:25 schrieb Kai-Heng Feng: > If we use sysfs to disable L1 ASPM, then enable one L1 ASPM substate > again, all other substates will also be enabled too: > > link# grep . * > clkpm:1 > l0s_aspm:1 > l1_1_aspm:1 > l1_1_pcipm:1 > l1_2_aspm:1 > l1_2_pcipm:1 > l1_aspm:1 > > link# ech

[PATCH 1/2] PCI/ASPM: Store disabled ASPM states

2020-12-08 Thread Kai-Heng Feng
If we use sysfs to disable L1 ASPM, then enable one L1 ASPM substate again, all other substates will also be enabled too: link# grep . * clkpm:1 l0s_aspm:1 l1_1_aspm:1 l1_1_pcipm:1 l1_2_aspm:1 l1_2_pcipm:1 l1_aspm:1 link# echo 0 > l1_aspm link# grep . * clkpm:1 l0s_aspm:1 l1_1_aspm:0 l1_1_pcipm: