other versions
- jessie 3.16.56-1+deb8u1
DRM_VBLANK_COUNT(9) | DRM Core | DRM_VBLANK_COUNT(9) |
NAME¶
drm_vblank_count - retrieve “cooked” vblank counter valueSYNOPSIS¶
u32
drm_vblank_count(struct drm_device * dev,
int crtc);
ARGUMENTS¶
devDRM device
crtc
which counter to retrieve
DESCRIPTION¶
Fetches the “cooked” vblank count value that represents the number of vblank events since the system was booted, including lost events due to modesetting activity.RETURNS¶
The software vblank counter.AUTHORS¶
Jesse Barnes <jesse.barnes@intel.com>Initial version
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Driver internals
Daniel Vetter <daniel.vetter@ffwll.ch>
Contributions all over the place
COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |