drm/tilcdc: use drm_crtc_send_vblank_event()

Replace the legacy drm_send_vblank_event() with the new helper function.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Tested-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1460656118-16766-11-git-send-email-gustavo@padovan.org

drivers/gpu/drm/tilcdc/tilcdc_crtc.c

@@ -707,7 +707,7 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
 			event = tilcdc_crtc->event;
 			tilcdc_crtc->event = NULL;
 			if (event)
-				drm_send_vblank_event(dev, 0, event);
+				drm_crtc_send_vblank_event(crtc, event);
 
 			spin_unlock_irqrestore(&dev->event_lock, flags);
 		}