62 static void set_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb)  in set_scanout()  argument
64 	struct drm_device *dev = crtc->dev;  in set_scanout()
73 		crtc->y * fb->pitches[0] +  in set_scanout()
74 		crtc->x * fb->format->cpp[0];  in set_scanout()
76 	end = start + (crtc->mode.vdisplay * fb->pitches[0]);  in set_scanout()
96 static void tilcdc_crtc_load_palette(struct drm_crtc *crtc)  in tilcdc_crtc_load_palette()  argument
98 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_load_palette()
99 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_load_palette()
179 static void reset(struct drm_crtc *crtc)  in reset()  argument
181 	struct drm_device *dev = crtc->dev;  in reset()
204 static void tilcdc_crtc_set_clk(struct drm_crtc *crtc)  in tilcdc_crtc_set_clk()  argument
206 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_set_clk()
208 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_set_clk()
216 	req_rate = crtc->mode.clock * 1000;  in tilcdc_crtc_set_clk()
256 	    tilcdc_crtc->lcd_fck_rate, crtc->mode.clock, clkdiv);  in tilcdc_crtc_set_clk()
274 static void tilcdc_crtc_set_mode(struct drm_crtc *crtc)  in tilcdc_crtc_set_mode()  argument
276 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_set_mode()
277 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_set_mode()
281 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;  in tilcdc_crtc_set_mode()
282 	struct drm_framebuffer *fb = crtc->primary->state->fb;  in tilcdc_crtc_set_mode()
432 	tilcdc_crtc_set_clk(crtc);  in tilcdc_crtc_set_mode()
434 	tilcdc_crtc_load_palette(crtc);  in tilcdc_crtc_set_mode()
436 	set_scanout(crtc, fb);  in tilcdc_crtc_set_mode()
438 	crtc->hwmode = crtc->state->adjusted_mode;  in tilcdc_crtc_set_mode()
441 		tilcdc_mode_hvtotal(&crtc->hwmode);  in tilcdc_crtc_set_mode()
444 static void tilcdc_crtc_enable(struct drm_crtc *crtc)  in tilcdc_crtc_enable()  argument
446 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_enable()
447 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_enable()
458 	reset(crtc);  in tilcdc_crtc_enable()
460 	tilcdc_crtc_set_mode(crtc);  in tilcdc_crtc_enable()
480 	drm_crtc_vblank_on(crtc);  in tilcdc_crtc_enable()
486 static void tilcdc_crtc_atomic_enable(struct drm_crtc *crtc,  in tilcdc_crtc_atomic_enable()  argument
489 	tilcdc_crtc_enable(crtc);  in tilcdc_crtc_atomic_enable()
492 static void tilcdc_crtc_off(struct drm_crtc *crtc, bool shutdown)  in tilcdc_crtc_off()  argument
494 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_off()
495 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_off()
519 	drm_crtc_vblank_off(crtc);  in tilcdc_crtc_off()
521 	spin_lock_irq(&crtc->dev->event_lock);  in tilcdc_crtc_off()
523 	if (crtc->state->event) {  in tilcdc_crtc_off()
524 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in tilcdc_crtc_off()
525 		crtc->state->event = NULL;  in tilcdc_crtc_off()
528 	spin_unlock_irq(&crtc->dev->event_lock);  in tilcdc_crtc_off()
538 static void tilcdc_crtc_disable(struct drm_crtc *crtc)  in tilcdc_crtc_disable()  argument
540 	tilcdc_crtc_off(crtc, false);  in tilcdc_crtc_disable()
543 static void tilcdc_crtc_atomic_disable(struct drm_crtc *crtc,  in tilcdc_crtc_atomic_disable()  argument
546 	tilcdc_crtc_disable(crtc);  in tilcdc_crtc_atomic_disable()
549 static void tilcdc_crtc_atomic_flush(struct drm_crtc *crtc,  in tilcdc_crtc_atomic_flush()  argument
552 	if (!crtc->state->event)  in tilcdc_crtc_atomic_flush()
555 	spin_lock_irq(&crtc->dev->event_lock);  in tilcdc_crtc_atomic_flush()
556 	drm_crtc_send_vblank_event(crtc, crtc->state->event);  in tilcdc_crtc_atomic_flush()
557 	crtc->state->event = NULL;  in tilcdc_crtc_atomic_flush()
558 	spin_unlock_irq(&crtc->dev->event_lock);  in tilcdc_crtc_atomic_flush()
561 void tilcdc_crtc_shutdown(struct drm_crtc *crtc)  in tilcdc_crtc_shutdown()  argument
563 	tilcdc_crtc_off(crtc, true);  in tilcdc_crtc_shutdown()
566 static bool tilcdc_crtc_is_on(struct drm_crtc *crtc)  in tilcdc_crtc_is_on()  argument
568 	return crtc->state && crtc->state->enable && crtc->state->active;  in tilcdc_crtc_is_on()
575 	struct drm_crtc *crtc = &tilcdc_crtc->base;  in tilcdc_crtc_recover_work()  local
577 	dev_info(crtc->dev->dev, "%s: Reset CRTC", __func__);  in tilcdc_crtc_recover_work()
579 	drm_modeset_lock(&crtc->mutex, NULL);  in tilcdc_crtc_recover_work()
581 	if (!tilcdc_crtc_is_on(crtc))  in tilcdc_crtc_recover_work()
584 	tilcdc_crtc_disable(crtc);  in tilcdc_crtc_recover_work()
585 	tilcdc_crtc_enable(crtc);  in tilcdc_crtc_recover_work()
587 	drm_modeset_unlock(&crtc->mutex);  in tilcdc_crtc_recover_work()
590 static void tilcdc_crtc_destroy(struct drm_crtc *crtc)  in tilcdc_crtc_destroy()  argument
592 	struct tilcdc_drm_private *priv = crtc->dev->dev_private;  in tilcdc_crtc_destroy()
594 	tilcdc_crtc_shutdown(crtc);  in tilcdc_crtc_destroy()
598 	of_node_put(crtc->port);  in tilcdc_crtc_destroy()
599 	drm_crtc_cleanup(crtc);  in tilcdc_crtc_destroy()
602 int tilcdc_crtc_update_fb(struct drm_crtc *crtc,  in tilcdc_crtc_update_fb()  argument
606 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_update_fb()
607 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_update_fb()
632 			set_scanout(crtc, fb);  in tilcdc_crtc_update_fb()
642 static bool tilcdc_crtc_mode_fixup(struct drm_crtc *crtc,  in tilcdc_crtc_mode_fixup()  argument
646 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_mode_fixup()
671 static int tilcdc_crtc_atomic_check(struct drm_crtc *crtc,  in tilcdc_crtc_atomic_check()  argument
678 	if (state->state->planes[0].ptr != crtc->primary ||  in tilcdc_crtc_atomic_check()
680 	    state->state->planes[0].state->crtc != crtc) {  in tilcdc_crtc_atomic_check()
681 		dev_dbg(crtc->dev->dev, "CRTC primary plane must be present");  in tilcdc_crtc_atomic_check()
688 static int tilcdc_crtc_enable_vblank(struct drm_crtc *crtc)  in tilcdc_crtc_enable_vblank()  argument
693 static void tilcdc_crtc_disable_vblank(struct drm_crtc *crtc)  in tilcdc_crtc_disable_vblank()  argument
697 static void tilcdc_crtc_reset(struct drm_crtc *crtc)  in tilcdc_crtc_reset()  argument
699 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_reset()
700 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_reset()
703 	drm_atomic_helper_crtc_reset(crtc);  in tilcdc_crtc_reset()
736 int tilcdc_crtc_max_width(struct drm_crtc *crtc)  in tilcdc_crtc_max_width()  argument
738 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_max_width()
751 tilcdc_crtc_mode_valid(struct drm_crtc *crtc,  in tilcdc_crtc_mode_valid()  argument
754 	struct tilcdc_drm_private *priv = crtc->dev->dev_private;  in tilcdc_crtc_mode_valid()
762 	if (mode->hdisplay > tilcdc_crtc_max_width(crtc))  in tilcdc_crtc_mode_valid()
849 void tilcdc_crtc_set_panel_info(struct drm_crtc *crtc,  in tilcdc_crtc_set_panel_info()  argument
852 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_set_panel_info()
856 void tilcdc_crtc_set_simulate_vesa_sync(struct drm_crtc *crtc,  in tilcdc_crtc_set_simulate_vesa_sync()  argument
859 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_set_simulate_vesa_sync()
864 void tilcdc_crtc_update_clk(struct drm_crtc *crtc)  in tilcdc_crtc_update_clk()  argument
866 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_update_clk()
868 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_update_clk()
870 	drm_modeset_lock(&crtc->mutex, NULL);  in tilcdc_crtc_update_clk()
872 		if (tilcdc_crtc_is_on(crtc)) {  in tilcdc_crtc_update_clk()
874 			tilcdc_crtc_disable(crtc);  in tilcdc_crtc_update_clk()
876 			tilcdc_crtc_set_clk(crtc);  in tilcdc_crtc_update_clk()
878 			tilcdc_crtc_enable(crtc);  in tilcdc_crtc_update_clk()
882 	drm_modeset_unlock(&crtc->mutex);  in tilcdc_crtc_update_clk()
887 irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)  in tilcdc_crtc_irq()  argument
889 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_irq()
890 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_irq()
909 			set_scanout(crtc, tilcdc_crtc->next_fb);  in tilcdc_crtc_irq()
916 		drm_crtc_handle_vblank(crtc);  in tilcdc_crtc_irq()
926 				drm_crtc_send_vblank_event(crtc, event);  in tilcdc_crtc_irq()
1002 	struct drm_crtc *crtc;  in tilcdc_crtc_create()  local
1018 	crtc = &tilcdc_crtc->base;  in tilcdc_crtc_create()
1031 	ret = drm_crtc_init_with_planes(dev, crtc,  in tilcdc_crtc_create()
1035 					"tilcdc crtc");  in tilcdc_crtc_create()
1039 	drm_crtc_helper_add(crtc, &tilcdc_crtc_helper_funcs);  in tilcdc_crtc_create()
1042 		crtc->port = of_graph_get_port_by_id(dev->dev->of_node, 0);  in tilcdc_crtc_create()
1043 		if (!crtc->port) { /* This should never happen */  in tilcdc_crtc_create()
1051 	priv->crtc = crtc;  in tilcdc_crtc_create()
1055 	tilcdc_crtc_destroy(crtc);  in tilcdc_crtc_create()