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M1 Series Feature Support

This page details currently supported features on all M1 series (M1, M1 Pro, M1 Max, M1 Ultra) Apple Silicon Macs, as well as their progress towards being upstreamed. The tables herein can be interpreted as follows:

  • Kernel release, e.g. 6.0: the feature was incorporated upstream as of this release
  • linux-asahi (kernel release): the feature is stable, available for use in Fedora Asahi Remix, and should be upstream by the release indicated
  • linux-asahi: the feature is (mostly) stable and available for use in Fedora Asahi Remix
  • WIP: Development work on the feature is actively progressing, however is not yet ready for wider testing, use or distribution
  • TBA: Active work on this feature is not being undertaken at this time

If a feature is not ready, then there is no estimation on when it will be ready. Please do not ask for estimations in support channels (e.g. IRC)|“When-will-Asahi-Linux-be-done?”.

Table of Contents

SoC Blocks

These are features/hardware blocks that are present on all devices with the given SoC.

M1(T8103) M1 Pro/Max/Ultra(T600x)
DCP linux-asahi linux-asahi
USB2 (TB ports) linux-asahi linux-asahi
USB3 (TB ports) linux-asahi linux-asahi
Thunderbolt WIP WIP
DP Alt Mode WIP WIP
GPU linux-asahi linux-asahi
Video Decoder WIP WIP
NVMe 5.19 5.19
PCIe 5.16 5.16
PCIe (GE) - -
cpufreq 6.2 6.2
cpuidle linux-asahi (notes) (notes)
Suspend/sleep linux-asahi linux-asahi
Video Encoder WIP WIP
ProRes Codec - TBA
AICv2 - 5.18
DART 5.15 6.1
PMU 5.18 5.18
UART 5.13 5.13
Watchdog 5.17 5.17
I2C 5.16 5.16
GPIO 5.16 5.16
USB-PD 5.16 5.16
MCA 6.1 6.1
SPI linux-asahi linux-asahi
SPI NOR linux-asahi linux-asahi
SMC linux-asahi linux-asahi
SPMI linux-asahi linux-asahi
RTC linux-asahi linux-asahi
SEP WIP WIP
Neural Engine out of tree (notes) (notes)

M1 devices

Mac Mini(2020) MacBook Pro(13-inch, 2020) MacBook Air(2020) iMac(2021)
Installer yes yes yes yes
Devicetree 5.13 5.17 5.17 5.17
Main display 5.17 5.17 5.17 5.17
Brightness - linux-asahi linux-asahi linux-asahi
HDMI Out 5.13 - - -
Keyboard - linux-asahi linux-asahi -
KB backlight - 6.4 6.4 -
Touchpad - linux-asahi linux-asahi -
Battery info - linux-asahi linux-asahi -
USB-A ports 5.16 - - -
WiFi 6.1 6.1 6.1 6.1
Bluetooth 6.2 6.2 6.2 6.2
3.5mm jack linux-asahi linux-asahi linux-asahi linux-asahi
Speakers linux-asahi (notes) linux-asahi (notes) linux-asahi (notes) TBA
SD card slot - - - -
1Gbps Ethernet 5.16 - - 5.17
10Gbps Ethernet 5.17 - - -
Microphones - WIP WIP WIP
Webcam - linux-asahi linux-asahi linux-asahi
Touch Bar - linux-asahi - -
TouchID TBA TBA TBA TBA

M1 Pro/Max/Ultra devices

MacBook Pro(14/16-inch, 2021) Mac Studio(2022)
Installer yes yes
Devicetree 6.2 6.2
Main display 5.17 5.17
Brightness linux-asahi -
HDMI Out linux-asahi (13.5 FW only) 6.2
Keyboard linux-asahi -
KB backlight 6.4 -
Touchpad linux-asahi -
Battery info linux-asahi -
USB-A ports - linux-asahi
WiFi 6.1 6.1
Bluetooth 6.2 6.2
3.5mm jack linux-asahi linux-asahi
Speakers linux-asahi (notes) linux-asahi (notes)
SD card slot 5.17 5.17
1Gbps Ethernet - -
10Gbps Ethernet - linux-asahi
Microphones WIP -
Webcam linux-asahi -
Touch Bar - -
TouchID TBA TBA

Notes

cpuidle situation

Some power management functionality on ARM machines is controlled via the PSCI interface. The kernel has a specific way of talking to PSCI that is not compatible with Apple Silicon, and a discussion is required with upstream maintainers in order to figure out the best way forward. Given that this discussion has failed to materialise for two years, the decision has been made to hack together a driver that directly calls WFI/WFE instructions in order to bring this functionality to Asahi Linux. This greatly improves the UX on laptops when coupled with energy-aware scheduling, as it resolves the issue of the machines running warm to the touch and significantly improves battery life. This can never be upstreamed, however the hope is that this hacked together driver becomes unnecessary at some point in the near future.

ANE driver

An out of tree kernel module is available. It will be merged into linux-asahi.

Speakers

The speakers are enabled with separate patches due to a lsp-plugins bug. The bug causes full-scale artifacts which could potentially damage the speakers. This fix was included in lsp-plugins release 1.0.20.