Loading...
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) STMicroelectronics SA 2014
4 * Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
5 * Fabien Dessenne <fabien.dessenne@st.com>
6 * for STMicroelectronics.
7 */
8
9#include <linux/clk.h>
10
11#include <drm/drm_atomic.h>
12#include <drm/drm_atomic_helper.h>
13#include <drm/drm_device.h>
14#include <drm/drm_plane_helper.h>
15#include <drm/drm_print.h>
16#include <drm/drm_probe_helper.h>
17#include <drm/drm_vblank.h>
18
19#include "sti_compositor.h"
20#include "sti_crtc.h"
21#include "sti_drv.h"
22#include "sti_vid.h"
23#include "sti_vtg.h"
24
25static void sti_crtc_atomic_enable(struct drm_crtc *crtc,
26 struct drm_crtc_state *old_state)
27{
28 struct sti_mixer *mixer = to_sti_mixer(crtc);
29
30 DRM_DEBUG_DRIVER("\n");
31
32 mixer->status = STI_MIXER_READY;
33
34 drm_crtc_vblank_on(crtc);
35}
36
37static void sti_crtc_atomic_disable(struct drm_crtc *crtc,
38 struct drm_crtc_state *old_state)
39{
40 struct sti_mixer *mixer = to_sti_mixer(crtc);
41
42 DRM_DEBUG_DRIVER("\n");
43
44 mixer->status = STI_MIXER_DISABLING;
45
46 drm_crtc_wait_one_vblank(crtc);
47}
48
49static int
50sti_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode)
51{
52 struct sti_mixer *mixer = to_sti_mixer(crtc);
53 struct device *dev = mixer->dev;
54 struct sti_compositor *compo = dev_get_drvdata(dev);
55 struct clk *compo_clk, *pix_clk;
56 int rate = mode->clock * 1000;
57
58 DRM_DEBUG_KMS("CRTC:%d (%s) mode: (%s)\n",
59 crtc->base.id, sti_mixer_to_str(mixer), mode->name);
60
61 DRM_DEBUG_KMS(DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
62
63 if (mixer->id == STI_MIXER_MAIN) {
64 compo_clk = compo->clk_compo_main;
65 pix_clk = compo->clk_pix_main;
66 } else {
67 compo_clk = compo->clk_compo_aux;
68 pix_clk = compo->clk_pix_aux;
69 }
70
71 /* Prepare and enable the compo IP clock */
72 if (clk_prepare_enable(compo_clk)) {
73 DRM_INFO("Failed to prepare/enable compositor clk\n");
74 goto compo_error;
75 }
76
77 /* Set rate and prepare/enable pixel clock */
78 if (clk_set_rate(pix_clk, rate) < 0) {
79 DRM_ERROR("Cannot set rate (%dHz) for pix clk\n", rate);
80 goto pix_error;
81 }
82 if (clk_prepare_enable(pix_clk)) {
83 DRM_ERROR("Failed to prepare/enable pix clk\n");
84 goto pix_error;
85 }
86
87 sti_vtg_set_config(compo->vtg[mixer->id], &crtc->mode);
88
89 if (sti_mixer_active_video_area(mixer, &crtc->mode)) {
90 DRM_ERROR("Can't set active video area\n");
91 goto mixer_error;
92 }
93
94 return 0;
95
96mixer_error:
97 clk_disable_unprepare(pix_clk);
98pix_error:
99 clk_disable_unprepare(compo_clk);
100compo_error:
101 return -EINVAL;
102}
103
104static void sti_crtc_disable(struct drm_crtc *crtc)
105{
106 struct sti_mixer *mixer = to_sti_mixer(crtc);
107 struct device *dev = mixer->dev;
108 struct sti_compositor *compo = dev_get_drvdata(dev);
109
110 DRM_DEBUG_KMS("CRTC:%d (%s)\n", crtc->base.id, sti_mixer_to_str(mixer));
111
112 /* Disable Background */
113 sti_mixer_set_background_status(mixer, false);
114
115 drm_crtc_vblank_off(crtc);
116
117 /* Disable pixel clock and compo IP clocks */
118 if (mixer->id == STI_MIXER_MAIN) {
119 clk_disable_unprepare(compo->clk_pix_main);
120 clk_disable_unprepare(compo->clk_compo_main);
121 } else {
122 clk_disable_unprepare(compo->clk_pix_aux);
123 clk_disable_unprepare(compo->clk_compo_aux);
124 }
125
126 mixer->status = STI_MIXER_DISABLED;
127}
128
129static void
130sti_crtc_mode_set_nofb(struct drm_crtc *crtc)
131{
132 sti_crtc_mode_set(crtc, &crtc->state->adjusted_mode);
133}
134
135static void sti_crtc_atomic_flush(struct drm_crtc *crtc,
136 struct drm_crtc_state *old_crtc_state)
137{
138 struct drm_device *drm_dev = crtc->dev;
139 struct sti_mixer *mixer = to_sti_mixer(crtc);
140 struct sti_compositor *compo = dev_get_drvdata(mixer->dev);
141 struct drm_plane *p;
142 struct drm_pending_vblank_event *event;
143 unsigned long flags;
144
145 DRM_DEBUG_DRIVER("\n");
146
147 /* perform plane actions */
148 list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) {
149 struct sti_plane *plane = to_sti_plane(p);
150
151 switch (plane->status) {
152 case STI_PLANE_UPDATED:
153 /* ignore update for other CRTC */
154 if (p->state->crtc != crtc)
155 continue;
156
157 /* update planes tag as updated */
158 DRM_DEBUG_DRIVER("update plane %s\n",
159 sti_plane_to_str(plane));
160
161 if (sti_mixer_set_plane_depth(mixer, plane)) {
162 DRM_ERROR("Cannot set plane %s depth\n",
163 sti_plane_to_str(plane));
164 break;
165 }
166
167 if (sti_mixer_set_plane_status(mixer, plane, true)) {
168 DRM_ERROR("Cannot enable plane %s at mixer\n",
169 sti_plane_to_str(plane));
170 break;
171 }
172
173 /* if plane is HQVDP_0 then commit the vid[0] */
174 if (plane->desc == STI_HQVDP_0)
175 sti_vid_commit(compo->vid[0], p->state);
176
177 plane->status = STI_PLANE_READY;
178
179 break;
180 case STI_PLANE_DISABLING:
181 /* disabling sequence for planes tag as disabling */
182 DRM_DEBUG_DRIVER("disable plane %s from mixer\n",
183 sti_plane_to_str(plane));
184
185 if (sti_mixer_set_plane_status(mixer, plane, false)) {
186 DRM_ERROR("Cannot disable plane %s at mixer\n",
187 sti_plane_to_str(plane));
188 continue;
189 }
190
191 if (plane->desc == STI_CURSOR)
192 /* tag plane status for disabled */
193 plane->status = STI_PLANE_DISABLED;
194 else
195 /* tag plane status for flushing */
196 plane->status = STI_PLANE_FLUSHING;
197
198 /* if plane is HQVDP_0 then disable the vid[0] */
199 if (plane->desc == STI_HQVDP_0)
200 sti_vid_disable(compo->vid[0]);
201
202 break;
203 default:
204 /* Other status case are not handled */
205 break;
206 }
207 }
208
209 event = crtc->state->event;
210 if (event) {
211 crtc->state->event = NULL;
212
213 spin_lock_irqsave(&crtc->dev->event_lock, flags);
214 if (drm_crtc_vblank_get(crtc) == 0)
215 drm_crtc_arm_vblank_event(crtc, event);
216 else
217 drm_crtc_send_vblank_event(crtc, event);
218 spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
219 }
220}
221
222static const struct drm_crtc_helper_funcs sti_crtc_helper_funcs = {
223 .mode_set_nofb = sti_crtc_mode_set_nofb,
224 .atomic_flush = sti_crtc_atomic_flush,
225 .atomic_enable = sti_crtc_atomic_enable,
226 .atomic_disable = sti_crtc_atomic_disable,
227};
228
229static void sti_crtc_destroy(struct drm_crtc *crtc)
230{
231 DRM_DEBUG_KMS("\n");
232 drm_crtc_cleanup(crtc);
233}
234
235static int sti_crtc_set_property(struct drm_crtc *crtc,
236 struct drm_property *property,
237 uint64_t val)
238{
239 DRM_DEBUG_KMS("\n");
240 return 0;
241}
242
243int sti_crtc_vblank_cb(struct notifier_block *nb,
244 unsigned long event, void *data)
245{
246 struct sti_compositor *compo;
247 struct drm_crtc *crtc = data;
248 struct sti_mixer *mixer;
249 unsigned int pipe;
250
251 pipe = drm_crtc_index(crtc);
252 compo = container_of(nb, struct sti_compositor, vtg_vblank_nb[pipe]);
253 mixer = compo->mixer[pipe];
254
255 if ((event != VTG_TOP_FIELD_EVENT) &&
256 (event != VTG_BOTTOM_FIELD_EVENT)) {
257 DRM_ERROR("unknown event: %lu\n", event);
258 return -EINVAL;
259 }
260
261 drm_crtc_handle_vblank(crtc);
262
263 if (mixer->status == STI_MIXER_DISABLING) {
264 struct drm_plane *p;
265
266 /* Disable mixer only if all overlay planes (GDP and VDP)
267 * are disabled */
268 list_for_each_entry(p, &crtc->dev->mode_config.plane_list,
269 head) {
270 struct sti_plane *plane = to_sti_plane(p);
271
272 if ((plane->desc & STI_PLANE_TYPE_MASK) <= STI_VDP)
273 if (plane->status != STI_PLANE_DISABLED)
274 return 0;
275 }
276 sti_crtc_disable(crtc);
277 }
278
279 return 0;
280}
281
282int sti_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
283{
284 struct sti_private *dev_priv = dev->dev_private;
285 struct sti_compositor *compo = dev_priv->compo;
286 struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe];
287 struct drm_crtc *crtc = &compo->mixer[pipe]->drm_crtc;
288 struct sti_vtg *vtg = compo->vtg[pipe];
289
290 DRM_DEBUG_DRIVER("\n");
291
292 if (sti_vtg_register_client(vtg, vtg_vblank_nb, crtc)) {
293 DRM_ERROR("Cannot register VTG notifier\n");
294 return -EINVAL;
295 }
296
297 return 0;
298}
299
300void sti_crtc_disable_vblank(struct drm_device *drm_dev, unsigned int pipe)
301{
302 struct sti_private *priv = drm_dev->dev_private;
303 struct sti_compositor *compo = priv->compo;
304 struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe];
305 struct sti_vtg *vtg = compo->vtg[pipe];
306
307 DRM_DEBUG_DRIVER("\n");
308
309 if (sti_vtg_unregister_client(vtg, vtg_vblank_nb))
310 DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
311}
312
313static int sti_crtc_late_register(struct drm_crtc *crtc)
314{
315 struct sti_mixer *mixer = to_sti_mixer(crtc);
316 struct sti_compositor *compo = dev_get_drvdata(mixer->dev);
317
318 if (drm_crtc_index(crtc) == 0)
319 return sti_compositor_debugfs_init(compo, crtc->dev->primary);
320
321 return 0;
322}
323
324static const struct drm_crtc_funcs sti_crtc_funcs = {
325 .set_config = drm_atomic_helper_set_config,
326 .page_flip = drm_atomic_helper_page_flip,
327 .destroy = sti_crtc_destroy,
328 .set_property = sti_crtc_set_property,
329 .reset = drm_atomic_helper_crtc_reset,
330 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
331 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
332 .late_register = sti_crtc_late_register,
333};
334
335bool sti_crtc_is_main(struct drm_crtc *crtc)
336{
337 struct sti_mixer *mixer = to_sti_mixer(crtc);
338
339 if (mixer->id == STI_MIXER_MAIN)
340 return true;
341
342 return false;
343}
344
345int sti_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer,
346 struct drm_plane *primary, struct drm_plane *cursor)
347{
348 struct drm_crtc *crtc = &mixer->drm_crtc;
349 int res;
350
351 res = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
352 &sti_crtc_funcs, NULL);
353 if (res) {
354 DRM_ERROR("Can't initialize CRTC\n");
355 return -EINVAL;
356 }
357
358 drm_crtc_helper_add(crtc, &sti_crtc_helper_funcs);
359
360 DRM_DEBUG_DRIVER("drm CRTC:%d mapped to %s\n",
361 crtc->base.id, sti_mixer_to_str(mixer));
362
363 return 0;
364}
1/*
2 * Copyright (C) STMicroelectronics SA 2014
3 * Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
4 * Fabien Dessenne <fabien.dessenne@st.com>
5 * for STMicroelectronics.
6 * License terms: GNU General Public License (GPL), version 2
7 */
8
9#include <linux/clk.h>
10
11#include <drm/drmP.h>
12#include <drm/drm_atomic.h>
13#include <drm/drm_atomic_helper.h>
14#include <drm/drm_crtc_helper.h>
15#include <drm/drm_plane_helper.h>
16
17#include "sti_compositor.h"
18#include "sti_crtc.h"
19#include "sti_drv.h"
20#include "sti_vid.h"
21#include "sti_vtg.h"
22
23static void sti_crtc_enable(struct drm_crtc *crtc)
24{
25 struct sti_mixer *mixer = to_sti_mixer(crtc);
26
27 DRM_DEBUG_DRIVER("\n");
28
29 mixer->status = STI_MIXER_READY;
30
31 drm_crtc_vblank_on(crtc);
32}
33
34static void sti_crtc_disabling(struct drm_crtc *crtc)
35{
36 struct sti_mixer *mixer = to_sti_mixer(crtc);
37
38 DRM_DEBUG_DRIVER("\n");
39
40 mixer->status = STI_MIXER_DISABLING;
41}
42
43static int
44sti_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode)
45{
46 struct sti_mixer *mixer = to_sti_mixer(crtc);
47 struct device *dev = mixer->dev;
48 struct sti_compositor *compo = dev_get_drvdata(dev);
49 struct clk *compo_clk, *pix_clk;
50 int rate = mode->clock * 1000;
51
52 DRM_DEBUG_KMS("CRTC:%d (%s) mode:%d (%s)\n",
53 crtc->base.id, sti_mixer_to_str(mixer),
54 mode->base.id, mode->name);
55
56 DRM_DEBUG_KMS("%d %d %d %d %d %d %d %d %d %d 0x%x 0x%x\n",
57 mode->vrefresh, mode->clock,
58 mode->hdisplay,
59 mode->hsync_start, mode->hsync_end,
60 mode->htotal,
61 mode->vdisplay,
62 mode->vsync_start, mode->vsync_end,
63 mode->vtotal, mode->type, mode->flags);
64
65 if (mixer->id == STI_MIXER_MAIN) {
66 compo_clk = compo->clk_compo_main;
67 pix_clk = compo->clk_pix_main;
68 } else {
69 compo_clk = compo->clk_compo_aux;
70 pix_clk = compo->clk_pix_aux;
71 }
72
73 /* Prepare and enable the compo IP clock */
74 if (clk_prepare_enable(compo_clk)) {
75 DRM_INFO("Failed to prepare/enable compositor clk\n");
76 goto compo_error;
77 }
78
79 /* Set rate and prepare/enable pixel clock */
80 if (clk_set_rate(pix_clk, rate) < 0) {
81 DRM_ERROR("Cannot set rate (%dHz) for pix clk\n", rate);
82 goto pix_error;
83 }
84 if (clk_prepare_enable(pix_clk)) {
85 DRM_ERROR("Failed to prepare/enable pix clk\n");
86 goto pix_error;
87 }
88
89 sti_vtg_set_config(compo->vtg[mixer->id], &crtc->mode);
90
91 if (sti_mixer_active_video_area(mixer, &crtc->mode)) {
92 DRM_ERROR("Can't set active video area\n");
93 goto mixer_error;
94 }
95
96 return 0;
97
98mixer_error:
99 clk_disable_unprepare(pix_clk);
100pix_error:
101 clk_disable_unprepare(compo_clk);
102compo_error:
103 return -EINVAL;
104}
105
106static void sti_crtc_disable(struct drm_crtc *crtc)
107{
108 struct sti_mixer *mixer = to_sti_mixer(crtc);
109 struct device *dev = mixer->dev;
110 struct sti_compositor *compo = dev_get_drvdata(dev);
111
112 DRM_DEBUG_KMS("CRTC:%d (%s)\n", crtc->base.id, sti_mixer_to_str(mixer));
113
114 /* Disable Background */
115 sti_mixer_set_background_status(mixer, false);
116
117 drm_crtc_vblank_off(crtc);
118
119 /* Disable pixel clock and compo IP clocks */
120 if (mixer->id == STI_MIXER_MAIN) {
121 clk_disable_unprepare(compo->clk_pix_main);
122 clk_disable_unprepare(compo->clk_compo_main);
123 } else {
124 clk_disable_unprepare(compo->clk_pix_aux);
125 clk_disable_unprepare(compo->clk_compo_aux);
126 }
127
128 mixer->status = STI_MIXER_DISABLED;
129}
130
131static void
132sti_crtc_mode_set_nofb(struct drm_crtc *crtc)
133{
134 sti_crtc_mode_set(crtc, &crtc->state->adjusted_mode);
135}
136
137static void sti_crtc_atomic_begin(struct drm_crtc *crtc,
138 struct drm_crtc_state *old_crtc_state)
139{
140 struct sti_mixer *mixer = to_sti_mixer(crtc);
141
142 if (crtc->state->event) {
143 crtc->state->event->pipe = drm_crtc_index(crtc);
144
145 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
146
147 mixer->pending_event = crtc->state->event;
148 crtc->state->event = NULL;
149 }
150}
151
152static void sti_crtc_atomic_flush(struct drm_crtc *crtc,
153 struct drm_crtc_state *old_crtc_state)
154{
155 struct drm_device *drm_dev = crtc->dev;
156 struct sti_mixer *mixer = to_sti_mixer(crtc);
157 struct sti_compositor *compo = dev_get_drvdata(mixer->dev);
158 struct drm_plane *p;
159
160 DRM_DEBUG_DRIVER("\n");
161
162 /* perform plane actions */
163 list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) {
164 struct sti_plane *plane = to_sti_plane(p);
165
166 switch (plane->status) {
167 case STI_PLANE_UPDATED:
168 /* ignore update for other CRTC */
169 if (p->state->crtc != crtc)
170 continue;
171
172 /* update planes tag as updated */
173 DRM_DEBUG_DRIVER("update plane %s\n",
174 sti_plane_to_str(plane));
175
176 if (sti_mixer_set_plane_depth(mixer, plane)) {
177 DRM_ERROR("Cannot set plane %s depth\n",
178 sti_plane_to_str(plane));
179 break;
180 }
181
182 if (sti_mixer_set_plane_status(mixer, plane, true)) {
183 DRM_ERROR("Cannot enable plane %s at mixer\n",
184 sti_plane_to_str(plane));
185 break;
186 }
187
188 /* if plane is HQVDP_0 then commit the vid[0] */
189 if (plane->desc == STI_HQVDP_0)
190 sti_vid_commit(compo->vid[0], p->state);
191
192 plane->status = STI_PLANE_READY;
193
194 break;
195 case STI_PLANE_DISABLING:
196 /* disabling sequence for planes tag as disabling */
197 DRM_DEBUG_DRIVER("disable plane %s from mixer\n",
198 sti_plane_to_str(plane));
199
200 if (sti_mixer_set_plane_status(mixer, plane, false)) {
201 DRM_ERROR("Cannot disable plane %s at mixer\n",
202 sti_plane_to_str(plane));
203 continue;
204 }
205
206 if (plane->desc == STI_CURSOR)
207 /* tag plane status for disabled */
208 plane->status = STI_PLANE_DISABLED;
209 else
210 /* tag plane status for flushing */
211 plane->status = STI_PLANE_FLUSHING;
212
213 /* if plane is HQVDP_0 then disable the vid[0] */
214 if (plane->desc == STI_HQVDP_0)
215 sti_vid_disable(compo->vid[0]);
216
217 break;
218 default:
219 /* Other status case are not handled */
220 break;
221 }
222 }
223}
224
225static const struct drm_crtc_helper_funcs sti_crtc_helper_funcs = {
226 .enable = sti_crtc_enable,
227 .disable = sti_crtc_disabling,
228 .mode_set_nofb = sti_crtc_mode_set_nofb,
229 .atomic_begin = sti_crtc_atomic_begin,
230 .atomic_flush = sti_crtc_atomic_flush,
231};
232
233static void sti_crtc_destroy(struct drm_crtc *crtc)
234{
235 DRM_DEBUG_KMS("\n");
236 drm_crtc_cleanup(crtc);
237}
238
239static int sti_crtc_set_property(struct drm_crtc *crtc,
240 struct drm_property *property,
241 uint64_t val)
242{
243 DRM_DEBUG_KMS("\n");
244 return 0;
245}
246
247int sti_crtc_vblank_cb(struct notifier_block *nb,
248 unsigned long event, void *data)
249{
250 struct sti_compositor *compo;
251 struct drm_crtc *crtc = data;
252 struct sti_mixer *mixer;
253 unsigned long flags;
254 struct sti_private *priv;
255 unsigned int pipe;
256
257 priv = crtc->dev->dev_private;
258 pipe = drm_crtc_index(crtc);
259 compo = container_of(nb, struct sti_compositor, vtg_vblank_nb[pipe]);
260 mixer = compo->mixer[pipe];
261
262 if ((event != VTG_TOP_FIELD_EVENT) &&
263 (event != VTG_BOTTOM_FIELD_EVENT)) {
264 DRM_ERROR("unknown event: %lu\n", event);
265 return -EINVAL;
266 }
267
268 drm_crtc_handle_vblank(crtc);
269
270 spin_lock_irqsave(&crtc->dev->event_lock, flags);
271 if (mixer->pending_event) {
272 drm_crtc_send_vblank_event(crtc, mixer->pending_event);
273 drm_crtc_vblank_put(crtc);
274 mixer->pending_event = NULL;
275 }
276 spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
277
278 if (mixer->status == STI_MIXER_DISABLING) {
279 struct drm_plane *p;
280
281 /* Disable mixer only if all overlay planes (GDP and VDP)
282 * are disabled */
283 list_for_each_entry(p, &crtc->dev->mode_config.plane_list,
284 head) {
285 struct sti_plane *plane = to_sti_plane(p);
286
287 if ((plane->desc & STI_PLANE_TYPE_MASK) <= STI_VDP)
288 if (plane->status != STI_PLANE_DISABLED)
289 return 0;
290 }
291 sti_crtc_disable(crtc);
292 }
293
294 return 0;
295}
296
297int sti_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
298{
299 struct sti_private *dev_priv = dev->dev_private;
300 struct sti_compositor *compo = dev_priv->compo;
301 struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe];
302 struct drm_crtc *crtc = &compo->mixer[pipe]->drm_crtc;
303 struct sti_vtg *vtg = compo->vtg[pipe];
304
305 DRM_DEBUG_DRIVER("\n");
306
307 if (sti_vtg_register_client(vtg, vtg_vblank_nb, crtc)) {
308 DRM_ERROR("Cannot register VTG notifier\n");
309 return -EINVAL;
310 }
311
312 return 0;
313}
314
315void sti_crtc_disable_vblank(struct drm_device *drm_dev, unsigned int pipe)
316{
317 struct sti_private *priv = drm_dev->dev_private;
318 struct sti_compositor *compo = priv->compo;
319 struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe];
320 struct drm_crtc *crtc = &compo->mixer[pipe]->drm_crtc;
321 struct sti_vtg *vtg = compo->vtg[pipe];
322
323 DRM_DEBUG_DRIVER("\n");
324
325 if (sti_vtg_unregister_client(vtg, vtg_vblank_nb))
326 DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
327
328 /* free the resources of the pending requests */
329 if (compo->mixer[pipe]->pending_event) {
330 drm_crtc_vblank_put(crtc);
331 compo->mixer[pipe]->pending_event = NULL;
332 }
333}
334
335static int sti_crtc_late_register(struct drm_crtc *crtc)
336{
337 struct sti_mixer *mixer = to_sti_mixer(crtc);
338 struct sti_compositor *compo = dev_get_drvdata(mixer->dev);
339
340 if (drm_crtc_index(crtc) == 0)
341 return sti_compositor_debugfs_init(compo, crtc->dev->primary);
342
343 return 0;
344}
345
346static const struct drm_crtc_funcs sti_crtc_funcs = {
347 .set_config = drm_atomic_helper_set_config,
348 .page_flip = drm_atomic_helper_page_flip,
349 .destroy = sti_crtc_destroy,
350 .set_property = sti_crtc_set_property,
351 .reset = drm_atomic_helper_crtc_reset,
352 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
353 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
354 .late_register = sti_crtc_late_register,
355};
356
357bool sti_crtc_is_main(struct drm_crtc *crtc)
358{
359 struct sti_mixer *mixer = to_sti_mixer(crtc);
360
361 if (mixer->id == STI_MIXER_MAIN)
362 return true;
363
364 return false;
365}
366
367int sti_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer,
368 struct drm_plane *primary, struct drm_plane *cursor)
369{
370 struct drm_crtc *crtc = &mixer->drm_crtc;
371 int res;
372
373 res = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
374 &sti_crtc_funcs, NULL);
375 if (res) {
376 DRM_ERROR("Can't initialze CRTC\n");
377 return -EINVAL;
378 }
379
380 drm_crtc_helper_add(crtc, &sti_crtc_helper_funcs);
381
382 DRM_DEBUG_DRIVER("drm CRTC:%d mapped to %s\n",
383 crtc->base.id, sti_mixer_to_str(mixer));
384
385 return 0;
386}