'\" t .\" Title: drm_crtc_vblank_off .\" Author: .\" Generator: DocBook XSL Stylesheets v1.78.1 .\" Date: May 2018 .\" Manual: DRM Core .\" Source: Kernel Hackers Manual 3.16.56 .\" Language: English .\" .TH "DRM_CRTC_VBLANK_OFF" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "DRM Core" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" drm_crtc_vblank_off \- disable vblank events on a CRTC .SH "SYNOPSIS" .HP \w'void\ drm_crtc_vblank_off('u .BI "void drm_crtc_vblank_off(struct\ drm_crtc\ *\ " "crtc" ");" .SH "ARGUMENTS" .PP \fIcrtc\fR .RS 4 CRTC in question .RE .SH "DESCRIPTION" .PP Drivers can use this function to shut down the vblank interrupt handling when disabling a crtc\&. This function ensures that the latest vblank frame count is stored so that drm_vblank_on can restore it again\&. .PP Drivers must use this function when the hardware vblank counter can get reset, e\&.g\&. when suspending\&. .PP This is the native kms version of \fBdrm_vblank_off\fR\&. .SH "AUTHORS" .PP \fBJesse Barnes\fR <\&jesse.barnes@intel.com\&> .br Intel Corporation, .RS 4 Initial version .RE .PP \fBLaurent Pinchart\fR <\&laurent.pinchart@ideasonboard.com\&> .br Ideas on board SPRL, .RS 4 Driver internals .RE .PP \fBDaniel Vetter\fR <\&daniel.vetter@ffwll.ch\&> .br Intel Corporation, .RS 4 Contributions all over the place .RE .SH "COPYRIGHT" .br