On Sun, Jan 19, 2020 at 08:33:26PM -0600, Bjorn Helgaas wrote: > NVMe, GPU folks, do your drivers or devices change PCIe link > speed/width for power saving or other reasons? When CONFIG_PCIE_BW=y, > the PCI core interprets changes like that as problems that need to be > reported. The NVMe driver doesn't. For devices I don't know of any, but Ican't find anything in the spec that would forbid it.
