AMD Adds HDMI 2.1 Support to Linux Graphics Driver, Enabling Higher-Resolution Gaming
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AMD is adding support for the HDMI 2.1 display standard to its Linux graphics driver, overcoming a previous licensing barrier. The update enables higher resolutions, dynamic HDR, and Variable Refresh Rate for compatible displays. This development could pave the way for official HDMI 2.1 support in upcoming devices like the Steam Machine.
Facts First
- AMD is adding HDMI FRL support to its Linux amdgpu driver, enabling HDMI 2.1 features.
- HDMI FRL allows for higher bandwidth than the older TMDS standard used in HDMI 2.0.
- Enabled features include higher resolutions, dynamic HDR, and Variable Refresh Rate for compatible displays.
- The current update is a subset of full HDMI 2.1 compliance as it lacks Display Stream Compression (DSC).
- Previous HDMI licensing issues had prevented official HDMI 2.1 support for devices like the Steam Machine.
What Happened
AMD developer Harry Wentland posted patch series notes on Friday for an update to the Linux amdgpu driver. The update adds support for HDMI FRL (Fixed Rate Link), the technology that enables the higher bandwidth of the HDMI 2.1 standard. This development follows previous reports that HDMI licensing issues had prevented official HDMI 2.1 support for upcoming devices like the Steam Machine.
Why this Matters to You
If you use a Linux PC with an AMD graphics card, this driver update may soon allow you to connect to newer, high-end monitors and TVs that support HDMI 2.1. You could experience higher resolutions, smoother gameplay with Variable Refresh Rate, and improved HDR visuals on compatible displays. For gamers interested in devices like the Steam Machine, this development could make official HDMI 2.1 support more likely in the future.
What's Next
The current implementation is a partial step, as it lacks support for Display Stream Compression (DSC), which is required for the highest HDMI 2.1 resolutions and frame rates. Further development may be needed to achieve full HDMI 2.1 compliance. The driver update will progress through the standard Linux kernel review and integration process before becoming available to users.