drm_crtc_vblank_get9
Get a reference count on vblank events
Usage
int drm_crtc_vblank_get(struct drm_crtc * crtc);
Arguments
crtc
which CRTC to own
Overview
Acquire a reference count on vblank events to avoid having them disabled while in use.
This is the native kms version of drm_vblank_off.
Returns
Zero on success, nonzero on failure.