Demystifying Linux MIPI DSI Subsystem

Explore the intricacies of the Linux MIPI DSI subsystem in this informative conference talk. Begin with a comprehensive overview of the Linux DRM subsystem and its various display controller interfaces, including HDMI, RGB, LVDS, and DSI. Delve deeper into the specifics of the MIPI Display Serial Interface (DSI), a high-speed interface utilized in modern multimedia-supported SoCs for smartphones, tablets, laptops, and automotive platforms. Examine the Linux kernel's support for these interfaces through the DRM subsystem, focusing on DSI controllers, panels, and bridge drivers. Gain insights into the interaction between display drivers and GPU drivers, with particular emphasis on the Allwinner MIPI DSI controller and its associated LCD panels and bridges. Learn from practical examples validated using ARM Mali GPU, providing a thorough understanding of this versatile display technology.