We need to use the HDMI interface to point to non-standard resolution screens of 8bit/10bit. How can we send a command from the "application layer" to point to different screens?
Hi @ximenbingmeng
The standard and recommended way is using DRM api to get crtc index and then appoint it.
https://dri.freedesktop.org/docs/drm/gpu/drm-uapi.html