1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
23 	struct drm_device *ddev = tcrtc->crtc.dev;  in tidss_crtc_finish_page_flip()
29 	spin_lock_irqsave(&ddev->event_lock, flags);  in tidss_crtc_finish_page_flip()
37 	busy = dispc_vp_go_busy(tidss->dispc, tcrtc->hw_videoport);  in tidss_crtc_finish_page_flip()
39 		spin_unlock_irqrestore(&ddev->event_lock, flags);  in tidss_crtc_finish_page_flip()
43 	event = tcrtc->event;  in tidss_crtc_finish_page_flip()
44 	tcrtc->event = NULL;  in tidss_crtc_finish_page_flip()
47 		spin_unlock_irqrestore(&ddev->event_lock, flags);  in tidss_crtc_finish_page_flip()
51 	drm_crtc_send_vblank_event(&tcrtc->crtc, event);  in tidss_crtc_finish_page_flip()
53 	spin_unlock_irqrestore(&ddev->event_lock, flags);  in tidss_crtc_finish_page_flip()
55 	drm_crtc_vblank_put(&tcrtc->crtc);  in tidss_crtc_finish_page_flip()
71 	complete(&tcrtc->framedone_completion);  in tidss_crtc_framedone_irq()
78 	dev_err_ratelimited(crtc->dev->dev, "CRTC%u SYNC LOST: (irq %llx)\n",  in tidss_crtc_error_irq()
79 			    tcrtc->hw_videoport, irqstatus);  in tidss_crtc_error_irq()
89 	struct drm_device *ddev = crtc->dev;  in tidss_crtc_atomic_check()
91 	struct dispc_device *dispc = tidss->dispc;  in tidss_crtc_atomic_check()
93 	u32 hw_videoport = tcrtc->hw_videoport;  in tidss_crtc_atomic_check()
97 	dev_dbg(ddev->dev, "%s\n", __func__);  in tidss_crtc_atomic_check()
99 	if (!crtc_state->enable)  in tidss_crtc_atomic_check()
102 	mode = &crtc_state->adjusted_mode;  in tidss_crtc_atomic_check()
106 		dev_dbg(ddev->dev, "%s: bad mode: %ux%u pclk %u kHz\n",  in tidss_crtc_atomic_check()
107 			__func__, mode->hdisplay, mode->vdisplay, mode->clock);  in tidss_crtc_atomic_check()
108 		return -EINVAL;  in tidss_crtc_atomic_check()
124 	struct drm_atomic_state *ostate = old_state->state;  in tidss_crtc_position_planes()
126 	struct drm_crtc_state *cstate = crtc->state;  in tidss_crtc_position_planes()
127 	int layer;  in tidss_crtc_position_planes()  local
129 	if (!newmodeset && !cstate->zpos_changed &&  in tidss_crtc_position_planes()
130 	    !to_tidss_crtc_state(cstate)->plane_pos_changed)  in tidss_crtc_position_planes()
133 	for (layer = 0; layer < tidss->feat->num_planes; layer++) {  in tidss_crtc_position_planes()
140 			if (pstate->crtc != crtc || !pstate->visible)  in tidss_crtc_position_planes()
143 			if (pstate->normalized_zpos == layer) {  in tidss_crtc_position_planes()
152 			dispc_ovr_set_plane(tidss->dispc, tplane->hw_plane_id,  in tidss_crtc_position_planes()
153 					    tcrtc->hw_videoport,  in tidss_crtc_position_planes()
154 					    pstate->crtc_x, pstate->crtc_y,  in tidss_crtc_position_planes()
155 					    layer);  in tidss_crtc_position_planes()
157 		dispc_ovr_enable_layer(tidss->dispc, tcrtc->hw_videoport, layer,  in tidss_crtc_position_planes()
168 	struct drm_device *ddev = crtc->dev;  in tidss_crtc_atomic_flush()
172 	dev_dbg(ddev->dev, "%s: %s is %sactive, %s modeset, event %p\n",  in tidss_crtc_atomic_flush()
173 		__func__, crtc->name, crtc->state->active ? "" : "not ",  in tidss_crtc_atomic_flush()
174 		drm_atomic_crtc_needs_modeset(crtc->state) ? "needs" : "doesn't need",  in tidss_crtc_atomic_flush()
175 		crtc->state->event);  in tidss_crtc_atomic_flush()
181 	if (drm_atomic_crtc_needs_modeset(crtc->state))  in tidss_crtc_atomic_flush()
185 	if (WARN_ON(dispc_vp_go_busy(tidss->dispc, tcrtc->hw_videoport)))  in tidss_crtc_atomic_flush()
189 	if (WARN_ON(!crtc->state->event))  in tidss_crtc_atomic_flush()
193 	dispc_vp_setup(tidss->dispc, tcrtc->hw_videoport, crtc->state, false);  in tidss_crtc_atomic_flush()
200 	spin_lock_irqsave(&ddev->event_lock, flags);  in tidss_crtc_atomic_flush()
201 	dispc_vp_go(tidss->dispc, tcrtc->hw_videoport);  in tidss_crtc_atomic_flush()
203 	WARN_ON(tcrtc->event);  in tidss_crtc_atomic_flush()
205 	tcrtc->event = crtc->state->event;  in tidss_crtc_atomic_flush()
206 	crtc->state->event = NULL;  in tidss_crtc_atomic_flush()
208 	spin_unlock_irqrestore(&ddev->event_lock, flags);  in tidss_crtc_atomic_flush()
217 	struct drm_device *ddev = crtc->dev;  in tidss_crtc_atomic_enable()
219 	const struct drm_display_mode *mode = &crtc->state->adjusted_mode;  in tidss_crtc_atomic_enable()
223 	dev_dbg(ddev->dev, "%s, event %p\n", __func__, crtc->state->event);  in tidss_crtc_atomic_enable()
227 	r = dispc_vp_set_clk_rate(tidss->dispc, tcrtc->hw_videoport,  in tidss_crtc_atomic_enable()
228 				  mode->clock * 1000);  in tidss_crtc_atomic_enable()
232 	r = dispc_vp_enable_clk(tidss->dispc, tcrtc->hw_videoport);  in tidss_crtc_atomic_enable()
236 	dispc_vp_setup(tidss->dispc, tcrtc->hw_videoport, crtc->state, true);  in tidss_crtc_atomic_enable()
242 	dispc_vp_prepare(tidss->dispc, tcrtc->hw_videoport, crtc->state);  in tidss_crtc_atomic_enable()
244 	dispc_vp_enable(tidss->dispc, tcrtc->hw_videoport, crtc->state);  in tidss_crtc_atomic_enable()
246 	spin_lock_irqsave(&ddev->event_lock, flags);  in tidss_crtc_atomic_enable()
248 	if (crtc->state->event) {  in tidss_crtc_atomic_enable()
249 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in tidss_crtc_atomic_enable()
250 		crtc->state->event = NULL;  in tidss_crtc_atomic_enable()
253 	spin_unlock_irqrestore(&ddev->event_lock, flags);  in tidss_crtc_atomic_enable()
260 	struct drm_device *ddev = crtc->dev;  in tidss_crtc_atomic_disable()
264 	dev_dbg(ddev->dev, "%s, event %p\n", __func__, crtc->state->event);  in tidss_crtc_atomic_disable()
266 	reinit_completion(&tcrtc->framedone_completion);  in tidss_crtc_atomic_disable()
269 	 * If a layer is left enabled when the videoport is disabled, and the  in tidss_crtc_atomic_disable()
270 	 * vid pipeline that was used for the layer is taken into use on  in tidss_crtc_atomic_disable()
272 	 * the layers here as a work-around.  in tidss_crtc_atomic_disable()
274 	for (u32 layer = 0; layer < tidss->feat->num_planes; layer++)  in tidss_crtc_atomic_disable()  local
275 		dispc_ovr_enable_layer(tidss->dispc, tcrtc->hw_videoport, layer,  in tidss_crtc_atomic_disable()
278 	dispc_vp_disable(tidss->dispc, tcrtc->hw_videoport);  in tidss_crtc_atomic_disable()
280 	if (!wait_for_completion_timeout(&tcrtc->framedone_completion,  in tidss_crtc_atomic_disable()
282 		dev_err(tidss->dev, "Timeout waiting for framedone on crtc %d",  in tidss_crtc_atomic_disable()
283 			tcrtc->hw_videoport);  in tidss_crtc_atomic_disable()
285 	dispc_vp_unprepare(tidss->dispc, tcrtc->hw_videoport);  in tidss_crtc_atomic_disable()
287 	spin_lock_irqsave(&ddev->event_lock, flags);  in tidss_crtc_atomic_disable()
288 	if (crtc->state->event) {  in tidss_crtc_atomic_disable()
289 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in tidss_crtc_atomic_disable()
290 		crtc->state->event = NULL;  in tidss_crtc_atomic_disable()
292 	spin_unlock_irqrestore(&ddev->event_lock, flags);  in tidss_crtc_atomic_disable()
296 	dispc_vp_disable_clk(tidss->dispc, tcrtc->hw_videoport);  in tidss_crtc_atomic_disable()
306 	struct drm_device *ddev = crtc->dev;  in tidss_crtc_mode_valid()
309 	return dispc_vp_mode_valid(tidss->dispc, tcrtc->hw_videoport, mode);  in tidss_crtc_mode_valid()
325 	struct drm_device *ddev = crtc->dev;  in tidss_crtc_enable_vblank()
328 	dev_dbg(ddev->dev, "%s\n", __func__);  in tidss_crtc_enable_vblank()
339 	struct drm_device *ddev = crtc->dev;  in tidss_crtc_disable_vblank()
342 	dev_dbg(ddev->dev, "%s\n", __func__);  in tidss_crtc_disable_vblank()
353 	if (crtc->state)  in tidss_crtc_reset()
354 		__drm_atomic_helper_crtc_destroy_state(crtc->state);  in tidss_crtc_reset()
356 	kfree(crtc->state);  in tidss_crtc_reset()
360 		crtc->state = NULL;  in tidss_crtc_reset()
364 	__drm_atomic_helper_crtc_reset(crtc, &tcrtc->base);  in tidss_crtc_reset()
371 	if (WARN_ON(!crtc->state))  in tidss_crtc_duplicate_state()
374 	current_state = to_tidss_crtc_state(crtc->state);  in tidss_crtc_duplicate_state()
380 	__drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);  in tidss_crtc_duplicate_state()
382 	state->plane_pos_changed = false;  in tidss_crtc_duplicate_state()
384 	state->bus_format = current_state->bus_format;  in tidss_crtc_duplicate_state()
385 	state->bus_flags = current_state->bus_flags;  in tidss_crtc_duplicate_state()
387 	return &state->base;  in tidss_crtc_duplicate_state()
411 				     struct drm_plane *primary)  in tidss_crtc_create()  argument
416 	bool has_ctm = tidss->feat->vp_feat.color.has_ctm;  in tidss_crtc_create()
421 		return ERR_PTR(-ENOMEM);  in tidss_crtc_create()
423 	tcrtc->hw_videoport = hw_videoport;  in tidss_crtc_create()
424 	init_completion(&tcrtc->framedone_completion);  in tidss_crtc_create()
426 	crtc =  &tcrtc->crtc;  in tidss_crtc_create()
428 	ret = drm_crtc_init_with_planes(&tidss->ddev, crtc, primary,  in tidss_crtc_create()
439 	 * from it no matter what HW supports. X-server assumes 256  in tidss_crtc_create()
442 	if (tidss->feat->vp_feat.color.gamma_size)  in tidss_crtc_create()