renesas/shmobile/shmob_drm_crtc.c

47 void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc)
50 	struct drm_device *dev = scrtc->base.dev;
54 	event = scrtc->event;
55 	scrtc->event = NULL;
57 		drm_crtc_send_vblank_event(&scrtc->base, event);
58 		wake_up(&scrtc->flip_wait);
59 		drm_crtc_vblank_put(&scrtc->base);
64 static bool shmob_drm_crtc_page_flip_pending(struct shmob_drm_crtc *scrtc)
66 	struct drm_device *dev = scrtc->base.dev;
71 	pending = scrtc->event != NULL;
77 static void shmob_drm_crtc_wait_page_flip(struct shmob_drm_crtc *scrtc)
79 	struct drm_crtc *crtc = &scrtc->base;
82 	if (wait_event_timeout(scrtc->flip_wait,
83 			       !shmob_drm_crtc_page_flip_pending(scrtc),
89 	shmob_drm_crtc_finish_page_flip(scrtc);
110 static void shmob_drm_crtc_setup_geometry(struct shmob_drm_crtc *scrtc)
112 	struct drm_crtc *crtc = &scrtc->base;
169 static void shmob_drm_crtc_start_stop(struct shmob_drm_crtc *scrtc, bool start)
171 	struct shmob_drm_device *sdev = to_shmob_device(scrtc->base.dev);
203 	struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc);
220 	shmob_drm_crtc_start_stop(scrtc, false);
245 	shmob_drm_crtc_setup_geometry(scrtc);
252 	shmob_drm_crtc_start_stop(scrtc, true);
261 	struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc);
269 	shmob_drm_crtc_wait_page_flip(scrtc);
273 	shmob_drm_crtc_start_stop(scrtc, false);
309 	struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc);
310 	struct drm_device *dev = scrtc->base.dev;
314 	if (scrtc->event != NULL) {
324 		drm_crtc_vblank_get(&scrtc->base);
326 		scrtc->event = event;