Changes:
- Rebase onto v4.19.196
- Add "PCI: PM: Do not read power state in pci_enable_device_flags()"
which has been reverted upstream back.
Links:
- kernel: 9c073cfc7c
Changes:
- SAM:
- Fix bug when disabling events.
- Add support for forwarding events to user-space via debug device.
- Add quirk to prevent incorrect battery reporting via the Surface Go
touchscreen.
Links:
- SAM: 6b6edef7c7
- kernel: 1028bcec86
Changes:
- WiFi:
- Add workaround for deep sleep on buggy hardware
- Fix manual host-sleep activation
- Fix DELBA requests
- Ignore BTCOEX events as they are sometimes buggy (improves WiFi
speeds)
- Other small fixes
- SAM:
- Code cleanup and small fixes
Links:
- kernel: 3ef26cf9b4
- SAM: a33f6762be
Changes:
- Attempt to properly fix WiFi firmware crashes caused by power-save
mode and suspend. This aims to fix WiFi crashes without the need to
disable power-saving options and achieve better power consumption.
- Try to fix firmware wakeup issues.
- Try to reduce WiFi speed impact when Bluetooth is active.
- Fixes for P2P and AP modes. This should get miracast working.
Links:
- kernel: 0d3ce1a00d
Changes:
- SAM:
- Retry more SAM requests on communication failure to increase
stability.
- Fix bug in PCI platform power state initialization preventing the
Intel LPSS driver from loading on 7th generation Surface devices.
Links:
- SAM: bfab2be7d3
- kernel: 5ae90020d0
Changes:
- SAM:
- Merge keyboard and HID driver into single module
- Restructure DTX user-space interface
- Add DTX support for Surface Book 3
- Continued cleanup and misc. fixes
- other:
- Add patch to fix boot problems on the Surface Go series
Links:
- SAM: bfef4ac6f8
- kernel: d1e77c5126
Changes:
- SAM:
- Fix bug in packet submission leading to a potential deadlock when
packets need to be resent in constested situations
- Misc. other fixes.
- Rename surface_aggregator_debugfs module to surface_aggregator_cdev
and make it a proper character device (miscdevice).
- Add copyright notices.
- Continued cleanup and code improvements.
- Change core from late to standard initialization
- Add sysfs attribute for SAM firmware version
- Register SAN consumers dynamically
- Misc. fixes and cleanup
- mwifiex:
- Revert auto_ds force-disablement
- Add enable_device_dump module parameter
- Try to improve suspend behavior
Links:
- SAM: 47bb8f0824
- kernel: f9183418ae
Changes:
- Fix a bug preventing the Surface Serial Hub driver from probing
successfully under certain conditions.
Links:
- SAM: f973e273e1
- kernel: c594ad2647
Changes:
- SAM:
- Fix a bug preventing SSAM client devices to be registered on the
Surface Book 3.
- Introduce SSAM device domains.
- Rename modules, drivers, and source directories.
- Split-up main header file.
- Update and improve Kconfig options and help texts.
- Internal restructuring, cleanup, and documentation.
Links:
- SAM: 4b3ee5ad71
- kernel: 47860ccd1d
Changes:
- SAM:
- Fix bug where second Surface Book 3 battery would be set up
incorrectly.
- Continued work on internal documentation and cleanup.
- Other minor bugfixes.
- SAM-over-HID:
- Add dGPU switch module for SB1.
- GPE:
- Cleanup and formatting.
Links:
- SAM: c5f84f1f9a
- SAM-over-HID: 9d2a927ac8
- GPE: a9d97ed280
- kernel: f26a027064
Changes:
- SAM
- Properly re-enable events after hibernation.
- Other bugfixes.
- Continued work on internal documentation.
- mwifiex
- Fix bug causing network connection failure on certain networks.
Links:
- SAM: 735a01f74b
- mwifiex: https://lkml.org/lkml/2020/8/27/642
- kernel: e83a20197d
Changes:
SAM:
- Fix false wanring when plugging in AC adapter.
- Fix includes for error injection.
- Other bug fixes and code improvements.
Links:
- kernel: ce875e1f82
- SAM: 4ca8b315e0
Changes:
SAM:
- Move lid/GPE workaround into separate independent module.
- A bus and device type has been implemented for SAM devices.
- Detach devices attached to the base when the cliboard is being
detached on the Surface Book 3.
- Internal restructuring.
Links:
- kernel: 2926c01232
- SAM: 08bbb7272a
Changes:
SAM:
- Fix bug that can cause IRQ storm when SSAM wake IRQ gets triggered.
- Continued internal restructuring.
- Other small bug fixes.
Links:
- kernel: 307c8337b9
- SAM: b9fe8f28b7
Changes:
SAM:
- Enable performance modes on Surface Laptop 1 and 2.
- Support for D0-exit/D0-entry notifications, sent to the SAM
controller when suspending (D0-exit) or resuming (D0-entry) on
newer (gen. 7+) devices.
- Replace sysfs-based debug device with new debugfs-based debug
device.
- More internal restructuring and internal API changes.
- Some small bug fixes.
SAM-over-HID:
- Add ACPI support for SAM-over-HID. This allows setting dGPU power
on the Surface Book 1 via ACPI calls.
Links:
- kernel: c03772c10e
- SAM: 89b8232d49
