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Explore the current state and future possibilities of 2D hardware acceleration support in Linux through this 24-minute conference talk from XDC 2025. Learn about dedicated 2D hardware accelerators found in numerous chips that operate independently from larger GPU units, offering efficient solutions for simple compositing and transform operations with low latency and power consumption benefits. Discover how these devices can accelerate display compositing and serve as components in multimedia pipelines, yet remain largely unsupported in mainline Linux due to the absence of standard userspace APIs and implementations. Examine the current landscape where users must rely on proprietary APIs and binary libraries to access these acceleration units. Gain insights into existing proprietary solutions and understand the challenges facing 2D acceleration hardware integration in Linux. Review proposed approaches and potential solutions for properly supporting these efficient hardware units in future Linux implementations.
