36 static struct drm_encoder *sun4i_crtc_get_encoder(struct drm_crtc *crtc)  in sun4i_crtc_get_encoder()  argument
40 	drm_for_each_encoder(encoder, crtc->dev)  in sun4i_crtc_get_encoder()
41 		if (encoder->crtc == crtc)  in sun4i_crtc_get_encoder()
47 static int sun4i_crtc_atomic_check(struct drm_crtc *crtc,  in sun4i_crtc_atomic_check()  argument
50 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_check()
60 static void sun4i_crtc_atomic_begin(struct drm_crtc *crtc,  in sun4i_crtc_atomic_begin()  argument
63 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_begin()
64 	struct drm_device *dev = crtc->dev;  in sun4i_crtc_atomic_begin()
68 	if (crtc->state->event) {  in sun4i_crtc_atomic_begin()
69 		WARN_ON(drm_crtc_vblank_get(crtc) != 0);  in sun4i_crtc_atomic_begin()
72 		scrtc->event = crtc->state->event;  in sun4i_crtc_atomic_begin()
74 		crtc->state->event = NULL;  in sun4i_crtc_atomic_begin()
81 static void sun4i_crtc_atomic_flush(struct drm_crtc *crtc,  in sun4i_crtc_atomic_flush()  argument
84 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_flush()
85 	struct drm_pending_vblank_event *event = crtc->state->event;  in sun4i_crtc_atomic_flush()
92 		crtc->state->event = NULL;  in sun4i_crtc_atomic_flush()
94 		spin_lock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_flush()
95 		if (drm_crtc_vblank_get(crtc) == 0)  in sun4i_crtc_atomic_flush()
96 			drm_crtc_arm_vblank_event(crtc, event);  in sun4i_crtc_atomic_flush()
98 			drm_crtc_send_vblank_event(crtc, event);  in sun4i_crtc_atomic_flush()
99 		spin_unlock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_flush()
103 static void sun4i_crtc_atomic_disable(struct drm_crtc *crtc,  in sun4i_crtc_atomic_disable()  argument
106 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_atomic_disable()
107 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_disable()
109 	DRM_DEBUG_DRIVER("Disabling the CRTC\n");  in sun4i_crtc_atomic_disable()
111 	drm_crtc_vblank_off(crtc);  in sun4i_crtc_atomic_disable()
115 	if (crtc->state->event && !crtc->state->active) {  in sun4i_crtc_atomic_disable()
116 		spin_lock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_disable()
117 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in sun4i_crtc_atomic_disable()
118 		spin_unlock_irq(&crtc->dev->event_lock);  in sun4i_crtc_atomic_disable()
120 		crtc->state->event = NULL;  in sun4i_crtc_atomic_disable()
124 static void sun4i_crtc_atomic_enable(struct drm_crtc *crtc,  in sun4i_crtc_atomic_enable()  argument
127 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_atomic_enable()
128 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_atomic_enable()
130 	DRM_DEBUG_DRIVER("Enabling the CRTC\n");  in sun4i_crtc_atomic_enable()
134 	drm_crtc_vblank_on(crtc);  in sun4i_crtc_atomic_enable()
137 static void sun4i_crtc_mode_set_nofb(struct drm_crtc *crtc)  in sun4i_crtc_mode_set_nofb()  argument
139 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;  in sun4i_crtc_mode_set_nofb()
140 	struct drm_encoder *encoder = sun4i_crtc_get_encoder(crtc);  in sun4i_crtc_mode_set_nofb()
141 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_mode_set_nofb()
155 static int sun4i_crtc_enable_vblank(struct drm_crtc *crtc)  in sun4i_crtc_enable_vblank()  argument
157 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_enable_vblank()
159 	DRM_DEBUG_DRIVER("Enabling VBLANK on crtc %p\n", crtc);  in sun4i_crtc_enable_vblank()
166 static void sun4i_crtc_disable_vblank(struct drm_crtc *crtc)  in sun4i_crtc_disable_vblank()  argument
168 	struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);  in sun4i_crtc_disable_vblank()
170 	DRM_DEBUG_DRIVER("Disabling VBLANK on crtc %p\n", crtc);  in sun4i_crtc_disable_vblank()
224 	ret = drm_crtc_init_with_planes(drm, &scrtc->crtc,  in sun4i_crtc_init()
230 		dev_err(drm->dev, "Couldn't init DRM CRTC\n");  in sun4i_crtc_init()
234 	drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs);  in sun4i_crtc_init()
236 	/* Set crtc.port to output port node of the tcon */  in sun4i_crtc_init()
237 	scrtc->crtc.port = of_graph_get_port_by_id(scrtc->tcon->dev->of_node,  in sun4i_crtc_init()
240 	/* Set possible_crtcs to this crtc for overlay planes */  in sun4i_crtc_init()
242 		uint32_t possible_crtcs = drm_crtc_mask(&scrtc->crtc);  in sun4i_crtc_init()