On Wed, Jul 16, 2025 at 11:12:45PM GMT, Kenneth R. Crudup wrote: > > Unfortunately, having tested the patch (against Linus' master), it doesn't work. > > I don't think the ASPM(?) state is making it to the VMD. > Because, the VMD driver is not at all setting the PCI_BUS_FLAGS_NO_ASPM_DEFAULT flag. But I proposed an alternate method [1] to enable ASPM which would avoid using the flag. - Mani [1] https://lore.kernel.org/linux-pci/4xcwba3d4slmz5gfuwypavxqreobnigzyu4vib6powtbibytyp@mmqcns27vlyr/ > LMK if you need more info. > > -Kenny > > On Wed, 16 Jul 2025, David E. Box wrote: > > > Testing is appreciated as I didn't get a chance to do so yet but plan to. > > > Thanks, David > > > > --- > > > > David E. Box (2): > > PCI/ASPM: Allow drivers to provide ASPM link state via pci_bus > > PCI: vmd: Provide default ASPM link state for synthetic hierarchy > > > > drivers/pci/controller/vmd.c | 7 +++++-- > > drivers/pci/pcie/aspm.c | 5 ++++- > > include/linux/pci.h | 12 ++++++++---- > > 3 files changed, 17 insertions(+), 7 deletions(-) > > > > > > base-commit: d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af > > > > -- > Kenneth R. Crudup / Sr. SW Engineer, Scott County Consulting, Orange County CA > -- மணிவண்ணன் சதாசிவம்