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AI Engineering
Hacker News·Aug 26·5 min read
Progress Linux 7.2 – Asahi Linux
TL;DR
Progress Linux 7.2 introduces significant advancements in power management for Apple Silicon, particularly through improved CPU core sleep modes. The integration of the Power State Coordination Interface (PSCI) aims to standardize these processes, although Apple-specific drivers remain in use.
✦ Why It Matters
Consider adopting PSCI for your power management solutions to ensure compatibility and efficiency.
Key Takeaways
- Implement UEFI Runtime Service-based PSCI for better power management.
- Utilize the new VA-API to V4L2 Stateless translation layer for video decoding.
- Test the latest Asahi Linux on M4 and M5 devices for improved functionality.
- Monitor updates on desktop integration for AVD to enhance video playback.
How It Works
The UEFI Runtime Service-based PSCI conduit allows the Linux kernel to manage CPU power states effectively by enabling calls to firmware services, even without traditional firmware layers. This is achieved by modifying m1n1 to reserve memory for a PSCI implementation, facilitating better power management and battery life.