Man page 9 : drm_helper_disable_unused_functions

drm_helper_disable_unused_functions - disable unused objects

void drm_helper_disable_unused_functions(struct drm_device *  dev );

dev
    DRM device

Caller must hold mode config lock.

If an connector or CRTC isnAqt part of devAqs mode_config, it can be disabled by calling its dpms function, which should power it off.

Jesse Barnes <>
Intel Corporation,
    Initial version

Laurent Pinchart <>
Ideas on board SPRL,
    Driver internals