39 static struct drm_encoder *sun4i_crtc_get_encoder(struct drm_crtc *crtc)  in sun4i_crtc_get_encoder()  argument
43 	drm_for_each_encoder(encoder, crtc->dev)  in sun4i_crtc_get_encoder()
44 		if (encoder->crtc == crtc)  in sun4i_crtc_get_encoder()
50 static int sun4i_crtc_atomic_check(struct drm_crtc *crtc,  in sun4i_crtc_atomic_check()  argument
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
66 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_begin()
67 	struct drm_device *dev = crtc->dev;  in sun4i_crtc_atomic_begin()
71 	if (crtc->state->event) {  in sun4i_crtc_atomic_begin()
72 		WARN_ON(drm_crtc_vblank_get(crtc) != 0);  in sun4i_crtc_atomic_begin()
75 		scrtc->event = crtc->state->event;  in sun4i_crtc_atomic_begin()
77 		crtc->state->event = NULL;  in sun4i_crtc_atomic_begin()
84 static void sun4i_crtc_atomic_flush(struct drm_crtc *crtc,  in sun4i_crtc_atomic_flush()  argument
87 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_flush()
88 	struct drm_pending_vblank_event *event = crtc->state->event;  in sun4i_crtc_atomic_flush()
95 		crtc->state->event = NULL;  in sun4i_crtc_atomic_flush()
97 		spin_lock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_flush()
98 		if (drm_crtc_vblank_get(crtc) == 0)  in sun4i_crtc_atomic_flush()
99 			drm_crtc_arm_vblank_event(crtc, event);  in sun4i_crtc_atomic_flush()
101 			drm_crtc_send_vblank_event(crtc, event);  in sun4i_crtc_atomic_flush()
102 		spin_unlock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_flush()
106 static void sun4i_crtc_atomic_disable(struct drm_crtc *crtc,  in sun4i_crtc_atomic_disable()  argument
109 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_atomic_disable()
110 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_disable()
112 	DRM_DEBUG_DRIVER("Disabling the CRTC\n");  in sun4i_crtc_atomic_disable()
114 	drm_crtc_vblank_off(crtc);  in sun4i_crtc_atomic_disable()
118 	if (crtc->state->event && !crtc->state->active) {  in sun4i_crtc_atomic_disable()
119 		spin_lock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_disable()
120 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in sun4i_crtc_atomic_disable()
121 		spin_unlock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_disable()
123 		crtc->state->event = NULL;  in sun4i_crtc_atomic_disable()
127 static void sun4i_crtc_atomic_enable(struct drm_crtc *crtc,  in sun4i_crtc_atomic_enable()  argument
130 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_atomic_enable()
131 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_enable()
133 	DRM_DEBUG_DRIVER("Enabling the CRTC\n");  in sun4i_crtc_atomic_enable()
137 	drm_crtc_vblank_on(crtc);  in sun4i_crtc_atomic_enable()
140 static void sun4i_crtc_mode_set_nofb(struct drm_crtc *crtc)  in sun4i_crtc_mode_set_nofb()  argument
142 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;  in sun4i_crtc_mode_set_nofb()
143 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_mode_set_nofb()
144 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_mode_set_nofb()
158 static int sun4i_crtc_enable_vblank(struct drm_crtc *crtc)  in sun4i_crtc_enable_vblank()  argument
160 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_enable_vblank()
162 	DRM_DEBUG_DRIVER("Enabling VBLANK on crtc %p\n", crtc);  in sun4i_crtc_enable_vblank()
169 static void sun4i_crtc_disable_vblank(struct drm_crtc *crtc)  in sun4i_crtc_disable_vblank()  argument
171 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_disable_vblank()
173 	DRM_DEBUG_DRIVER("Disabling VBLANK on crtc %p\n", crtc);  in sun4i_crtc_disable_vblank()
227 	ret = drm_crtc_init_with_planes(drm, &scrtc->crtc,  in sun4i_crtc_init()
233 		dev_err(drm->dev, "Couldn't init DRM CRTC\n");  in sun4i_crtc_init()
237 	drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs);  in sun4i_crtc_init()
239 	/* Set crtc.port to output port node of the tcon */  in sun4i_crtc_init()
240 	scrtc->crtc.port = of_graph_get_port_by_id(scrtc->tcon->dev->of_node,  in sun4i_crtc_init()
243 	/* Set possible_crtcs to this crtc for overlay planes */  in sun4i_crtc_init()
245 		uint32_t possible_crtcs = drm_crtc_mask(&scrtc->crtc);  in sun4i_crtc_init()