On Wed, Aug 19, 2020 at 02:58:46PM +0300, Mika Westerberg wrote: > Hi all, > > This series improves power management in the Thunderbolt driver. We already > have a quite complete power management on systems where Firmware based > Connection Manager is used (this is pretty much all non-Apple systems out > there) so this series adds a couple of optimizations to make certain power > transitions slightly faster, hopefully improving user experience. > > Rest of the patches improve power management in the Software Connection > manager side of the driver. USB4 spec covers power management for USB4 > hosts and devices, and also TBT3 compatible devices so these patches > implement that. We also switch to use device links instead of PCI quirk to > make sure the Thunderbolt/USB4 host controller is resumed before tunneled > PCIe and USB 3.x ports (so that it gets the chance to restore the tunnels > properly before). Tiger Lake systems with Software Connection Manager > enabled describe these relationships using a new ACPI _DSD property that we > parse in the driver and populate device links accordingly. > > Mika Westerberg (17): > thunderbolt: Software CM only should set force power in Tiger Lake > thunderbolt: Use bit 31 to check if Firmware CM is running in Tiger Lake > thunderbolt: Do not program NFC buffers for USB4 router protocol adapters > thunderbolt: No need to log an error if tb_switch_lane_bonding_enable() fails > thunderbolt: Send reset only to first generation routers > thunderbolt: Tear down DP tunnels when suspending > thunderbolt: Initialize TMU again on resume > thunderbolt: Do not change default USB4 router notification timeout > thunderbolt: Configure link after lane bonding is enabled > thunderbolt: Set port configured for both ends of the link > thunderbolt: Configure port for XDomain > thunderbolt: Disable lane 1 for XDomain connection > thunderbolt: Enable wakes from system suspend > PCI / thunderbolt: Switch to use device links instead of PCI quirk > ACPI: Export acpi_get_first_physical_node() to modules > thunderbolt: Create device links from ACPI description > thunderbolt: Add runtime PM for Software CM > > Rajmohan Mani (2): > thunderbolt: Optimize Force Power logic > thunderbolt: Optimize NHI LC mailbox command processing All applied to thunderbolt.git/next. @Rafael, I added your Acked-by to patches 17 and 18 as we discussed offline.
