Demystifying Linux MIPI DSI Subsystem
summary
Covers how Linux's DRM subsystem implements display controller interfaces (HDMI, RGB, LVDS, and especially MIPI DSI) and explains the kernel driver model for DSI controllers, D-PHY, DSI panels and DSI bridges and how those drivers interact with GPU drivers. Uses concrete examples from work on Allwinner MIPI DSI controllers, various LCD panels and bridges, validated with an ARM Mali GPU.
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