2171 	struct drm_vblank_crtc_timer *vtimer =  in drm_vblank_timer_function()  local
2173 	struct drm_crtc *crtc = vtimer->crtc;  in drm_vblank_timer_function()
2181 	spin_lock_irqsave(&vtimer->interval_lock, flags);  in drm_vblank_timer_function()
2182 	interval = vtimer->interval;  in drm_vblank_timer_function()
2183 	spin_unlock_irqrestore(&vtimer->interval_lock, flags);  in drm_vblank_timer_function()
2188 	ret_overrun = hrtimer_forward_now(&vtimer->timer, interval);  in drm_vblank_timer_function()
2216 	struct drm_vblank_crtc_timer *vtimer = &vblank->vblank_timer;  in drm_crtc_vblank_start_timer()  local
2219 	if (!vtimer->crtc) {  in drm_crtc_vblank_start_timer()
2223 		vtimer->crtc = crtc;  in drm_crtc_vblank_start_timer()
2224 		spin_lock_init(&vtimer->interval_lock);  in drm_crtc_vblank_start_timer()
2225 		hrtimer_setup(&vtimer->timer, drm_vblank_timer_function,  in drm_crtc_vblank_start_timer()
2232 		while (hrtimer_active(&vtimer->timer))  in drm_crtc_vblank_start_timer()
2233 			hrtimer_try_to_cancel(&vtimer->timer);  in drm_crtc_vblank_start_timer()
2238 	spin_lock_irqsave(&vtimer->interval_lock, flags);  in drm_crtc_vblank_start_timer()
2239 	vtimer->interval = ns_to_ktime(vblank->framedur_ns);  in drm_crtc_vblank_start_timer()
2240 	spin_unlock_irqrestore(&vtimer->interval_lock, flags);  in drm_crtc_vblank_start_timer()
2242 	hrtimer_start(&vtimer->timer, vtimer->interval, HRTIMER_MODE_REL);  in drm_crtc_vblank_start_timer()
2258 	struct drm_vblank_crtc_timer *vtimer = &vblank->vblank_timer;  in drm_crtc_vblank_cancel_timer()  local
2268 	spin_lock_irqsave(&vtimer->interval_lock, flags);  in drm_crtc_vblank_cancel_timer()
2269 	vtimer->interval = 0;  in drm_crtc_vblank_cancel_timer()
2270 	spin_unlock_irqrestore(&vtimer->interval_lock, flags);  in drm_crtc_vblank_cancel_timer()
2272 	hrtimer_try_to_cancel(&vtimer->timer);  in drm_crtc_vblank_cancel_timer()
2288 	struct drm_vblank_crtc_timer *vtimer = &vblank->vblank_timer;  in drm_crtc_vblank_get_vblank_timeout()  local
2305 		*vblank_time = READ_ONCE(vtimer->timer.node.expires);  in drm_crtc_vblank_get_vblank_timeout()
2318 	*vblank_time = ktime_sub(*vblank_time, vtimer->interval);  in drm_crtc_vblank_get_vblank_timeout()