37 static struct drm_encoder *sun4i_crtc_get_encoder(struct drm_crtc *crtc)  in sun4i_crtc_get_encoder()  argument
41 	drm_for_each_encoder(encoder, crtc->dev)  in sun4i_crtc_get_encoder()
42 		if (encoder->crtc == crtc)  in sun4i_crtc_get_encoder()
48 static int sun4i_crtc_atomic_check(struct drm_crtc *crtc,  in sun4i_crtc_atomic_check()  argument
52 									  crtc);  in sun4i_crtc_atomic_check()
53 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_check()
63 static void sun4i_crtc_atomic_begin(struct drm_crtc *crtc,  in sun4i_crtc_atomic_begin()  argument
67 									 crtc);  in sun4i_crtc_atomic_begin()
68 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_begin()
69 	struct drm_device *dev = crtc->dev;  in sun4i_crtc_atomic_begin()
73 	if (crtc->state->event) {  in sun4i_crtc_atomic_begin()
74 		WARN_ON(drm_crtc_vblank_get(crtc) != 0);  in sun4i_crtc_atomic_begin()
77 		scrtc->event = crtc->state->event;  in sun4i_crtc_atomic_begin()
79 		crtc->state->event = NULL;  in sun4i_crtc_atomic_begin()
86 static void sun4i_crtc_atomic_flush(struct drm_crtc *crtc,  in sun4i_crtc_atomic_flush()  argument
89 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_flush()
90 	struct drm_pending_vblank_event *event = crtc->state->event;  in sun4i_crtc_atomic_flush()
97 		crtc->state->event = NULL;  in sun4i_crtc_atomic_flush()
99 		spin_lock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_flush()
100 		if (drm_crtc_vblank_get(crtc) == 0)  in sun4i_crtc_atomic_flush()
101 			drm_crtc_arm_vblank_event(crtc, event);  in sun4i_crtc_atomic_flush()
103 			drm_crtc_send_vblank_event(crtc, event);  in sun4i_crtc_atomic_flush()
104 		spin_unlock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_flush()
108 static void sun4i_crtc_atomic_disable(struct drm_crtc *crtc,  in sun4i_crtc_atomic_disable()  argument
111 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_atomic_disable()
112 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_disable()
114 	DRM_DEBUG_DRIVER("Disabling the CRTC\n");  in sun4i_crtc_atomic_disable()
116 	drm_crtc_vblank_off(crtc);  in sun4i_crtc_atomic_disable()
120 	if (crtc->state->event && !crtc->state->active) {  in sun4i_crtc_atomic_disable()
121 		spin_lock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_disable()
122 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in sun4i_crtc_atomic_disable()
123 		spin_unlock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_disable()
125 		crtc->state->event = NULL;  in sun4i_crtc_atomic_disable()
129 static void sun4i_crtc_atomic_enable(struct drm_crtc *crtc,  in sun4i_crtc_atomic_enable()  argument
132 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_atomic_enable()
133 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_enable()
135 	DRM_DEBUG_DRIVER("Enabling the CRTC\n");  in sun4i_crtc_atomic_enable()
139 	drm_crtc_vblank_on(crtc);  in sun4i_crtc_atomic_enable()
142 static void sun4i_crtc_mode_set_nofb(struct drm_crtc *crtc)  in sun4i_crtc_mode_set_nofb()  argument
144 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;  in sun4i_crtc_mode_set_nofb()
145 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_mode_set_nofb()
146 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_mode_set_nofb()
161 static int sun4i_crtc_enable_vblank(struct drm_crtc *crtc)  in sun4i_crtc_enable_vblank()  argument
163 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_enable_vblank()
165 	DRM_DEBUG_DRIVER("Enabling VBLANK on crtc %p\n", crtc);  in sun4i_crtc_enable_vblank()
172 static void sun4i_crtc_disable_vblank(struct drm_crtc *crtc)  in sun4i_crtc_disable_vblank()  argument
174 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_disable_vblank()
176 	DRM_DEBUG_DRIVER("Disabling VBLANK on crtc %p\n", crtc);  in sun4i_crtc_disable_vblank()
230 	ret = drm_crtc_init_with_planes(drm, &scrtc->crtc,  in sun4i_crtc_init()
236 		dev_err(drm->dev, "Couldn't init DRM CRTC\n");  in sun4i_crtc_init()
240 	drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs);  in sun4i_crtc_init()
242 	/* Set crtc.port to output port node of the tcon */  in sun4i_crtc_init()
243 	scrtc->crtc.port = of_graph_get_port_by_id(scrtc->tcon->dev->of_node,  in sun4i_crtc_init()
246 	/* Set possible_crtcs to this crtc for overlay planes */  in sun4i_crtc_init()
248 		uint32_t possible_crtcs = drm_crtc_mask(&scrtc->crtc);  in sun4i_crtc_init()