drm_helper_crtc_in_use(9) centos man page | unix.com

DRM_HELPER_CRTC_IN_U(9) 					   DRM Internals					   DRM_HELPER_CRTC_IN_U(9)

NAME
       drm_helper_crtc_in_use - check if a given CRTC is in a mode_config

SYNOPSIS
       bool drm_helper_crtc_in_use(struct drm_crtc * crtc);

ARGUMENTS
       crtc
	   CRTC to check

LOCKING
       Caller must hold mode config lock.

       Walk crtc's DRM device's mode_config and see if it's in use.

RETURNS
       True if crtc is part of the mode_config, false otherwise.

AUTHORS
       Jesse Barnes <jesse.barnes@intel.com>
       Intel Corporation,
	   Initial version

       Laurent Pinchart <laurent.pinchart@ideasonboard.com>
       Ideas on board SPRL,
	   Driver internals

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   DRM_HELPER_CRTC_IN_U(9)