projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge 4.14.72 into android-4.14-p
[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / drivers / gpu / drm / nouveau / nouveau_display.c
1 /*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27 #include <acpi/video.h>
28 #include <drm/drmP.h>
29 #include <drm/drm_atomic.h>
30 #include <drm/drm_atomic_helper.h>
31 #include <drm/drm_crtc_helper.h>
32
33 #include <nvif/class.h>
34
35 #include "nouveau_fbcon.h"
36 #include "dispnv04/hw.h"
37 #include "nouveau_crtc.h"
38 #include "nouveau_dma.h"
39 #include "nouveau_gem.h"
40 #include "nouveau_connector.h"
41 #include "nv50_display.h"
42
43 #include "nouveau_fence.h"
44
45 #include <nvif/cl0046.h>
46 #include <nvif/event.h>
47
48 static int
49 nouveau_display_vblank_handler(struct nvif_notify *notify)
50 {
51 struct nouveau_crtc *nv_crtc =
52 container_of(notify, typeof(*nv_crtc), vblank);
53 drm_crtc_handle_vblank(&nv_crtc->base);
54 return NVIF_NOTIFY_KEEP;
55 }
56
57 int
58 nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
59 {
60 struct drm_crtc *crtc;
61 struct nouveau_crtc *nv_crtc;
62
63 crtc = drm_crtc_from_index(dev, pipe);
64 if (!crtc)
65 return -EINVAL;
66
67 nv_crtc = nouveau_crtc(crtc);
68 nvif_notify_get(&nv_crtc->vblank);
69
70 return 0;
71 }
72
73 void
74 nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
75 {
76 struct drm_crtc *crtc;
77 struct nouveau_crtc *nv_crtc;
78
79 crtc = drm_crtc_from_index(dev, pipe);
80 if (!crtc)
81 return;
82
83 nv_crtc = nouveau_crtc(crtc);
84 nvif_notify_put(&nv_crtc->vblank);
85 }
86
87 static inline int
88 calc(int blanks, int blanke, int total, int line)
89 {
90 if (blanke >= blanks) {
91 if (line >= blanks)
92 line -= total;
93 } else {
94 if (line >= blanks)
95 line -= total;
96 line -= blanke + 1;
97 }
98 return line;
99 }
100
101 static bool
102 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
103 ktime_t *stime, ktime_t *etime)
104 {
105 struct {
106 struct nv04_disp_mthd_v0 base;
107 struct nv04_disp_scanoutpos_v0 scan;
108 } args = {
109 .base.method = NV04_DISP_SCANOUTPOS,
110 .base.head = nouveau_crtc(crtc)->index,
111 };
112 struct nouveau_display *disp = nouveau_display(crtc->dev);
113 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
114 int retry = 20;
115 bool ret = false;
116
117 do {
118 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
119 if (ret != 0)
120 return false;
121
122 if (args.scan.vline) {
123 ret = true;
124 break;
125 }
126
127 if (retry) ndelay(vblank->linedur_ns);
128 } while (retry--);
129
130 *hpos = args.scan.hline;
131 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
132 args.scan.vtotal, args.scan.vline);
133 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
134 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
135
136 return ret;
137 }
138
139 bool
140 nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
141 bool in_vblank_irq, int *vpos, int *hpos,
142 ktime_t *stime, ktime_t *etime,
143 const struct drm_display_mode *mode)
144 {
145 struct drm_crtc *crtc;
146
147 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
148 if (nouveau_crtc(crtc)->index == pipe) {
149 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
150 stime, etime);
151 }
152 }
153
154 return false;
155 }
156
157 static void
158 nouveau_display_vblank_fini(struct drm_device *dev)
159 {
160 struct drm_crtc *crtc;
161
162 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
163 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
164 nvif_notify_fini(&nv_crtc->vblank);
165 }
166 }
167
168 static int
169 nouveau_display_vblank_init(struct drm_device *dev)
170 {
171 struct nouveau_display *disp = nouveau_display(dev);
172 struct drm_crtc *crtc;
173 int ret;
174
175 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
176 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
177 ret = nvif_notify_init(&disp->disp,
178 nouveau_display_vblank_handler, false,
179 NV04_DISP_NTFY_VBLANK,
180 &(struct nvif_notify_head_req_v0) {
181 .head = nv_crtc->index,
182 },
183 sizeof(struct nvif_notify_head_req_v0),
184 sizeof(struct nvif_notify_head_rep_v0),
185 &nv_crtc->vblank);
186 if (ret) {
187 nouveau_display_vblank_fini(dev);
188 return ret;
189 }
190 }
191
192 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
193 if (ret) {
194 nouveau_display_vblank_fini(dev);
195 return ret;
196 }
197
198 return 0;
199 }
200
201 static void
202 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
203 {
204 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
205
206 if (fb->nvbo)
207 drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
208
209 drm_framebuffer_cleanup(drm_fb);
210 kfree(fb);
211 }
212
213 static int
214 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
215 struct drm_file *file_priv,
216 unsigned int *handle)
217 {
218 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
219
220 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
221 }
222
223 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
224 .destroy = nouveau_user_framebuffer_destroy,
225 .create_handle = nouveau_user_framebuffer_create_handle,
226 };
227
228 int
229 nouveau_framebuffer_new(struct drm_device *dev,
230 const struct drm_mode_fb_cmd2 *mode_cmd,
231 struct nouveau_bo *nvbo,
232 struct nouveau_framebuffer **pfb)
233 {
234 struct nouveau_drm *drm = nouveau_drm(dev);
235 struct nouveau_framebuffer *fb;
236 int ret;
237
238 /* YUV overlays have special requirements pre-NV50 */
239 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
240
241 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
242 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
243 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
244 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
245 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
246 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
247 (mode_cmd->pitches[1] && /* pitches for planes must match */
248 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
249 struct drm_format_name_buf format_name;
250 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
251 drm_get_format_name(mode_cmd->pixel_format,
252 &format_name),
253 mode_cmd->pitches[0],
254 mode_cmd->pitches[1]);
255 return -EINVAL;
256 }
257
258 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
259 return -ENOMEM;
260
261 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
262 fb->nvbo = nvbo;
263
264 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
265 if (ret)
266 kfree(fb);
267 return ret;
268 }
269
270 struct drm_framebuffer *
271 nouveau_user_framebuffer_create(struct drm_device *dev,
272 struct drm_file *file_priv,
273 const struct drm_mode_fb_cmd2 *mode_cmd)
274 {
275 struct nouveau_framebuffer *fb;
276 struct nouveau_bo *nvbo;
277 struct drm_gem_object *gem;
278 int ret;
279
280 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
281 if (!gem)
282 return ERR_PTR(-ENOENT);
283 nvbo = nouveau_gem_object(gem);
284
285 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
286 if (ret == 0)
287 return &fb->base;
288
289 drm_gem_object_unreference_unlocked(gem);
290 return ERR_PTR(ret);
291 }
292
293 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
294 .fb_create = nouveau_user_framebuffer_create,
295 .output_poll_changed = nouveau_fbcon_output_poll_changed,
296 };
297
298
299 struct nouveau_drm_prop_enum_list {
300 u8 gen_mask;
301 int type;
302 char *name;
303 };
304
305 static struct nouveau_drm_prop_enum_list underscan[] = {
306 { 6, UNDERSCAN_AUTO, "auto" },
307 { 6, UNDERSCAN_OFF, "off" },
308 { 6, UNDERSCAN_ON, "on" },
309 {}
310 };
311
312 static struct nouveau_drm_prop_enum_list dither_mode[] = {
313 { 7, DITHERING_MODE_AUTO, "auto" },
314 { 7, DITHERING_MODE_OFF, "off" },
315 { 1, DITHERING_MODE_ON, "on" },
316 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
317 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
318 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
319 {}
320 };
321
322 static struct nouveau_drm_prop_enum_list dither_depth[] = {
323 { 6, DITHERING_DEPTH_AUTO, "auto" },
324 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
325 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
326 {}
327 };
328
329 #define PROP_ENUM(p,gen,n,list) do { \
330 struct nouveau_drm_prop_enum_list *l = (list); \
331 int c = 0; \
332 while (l->gen_mask) { \
333 if (l->gen_mask & (1 << (gen))) \
334 c++; \
335 l++; \
336 } \
337 if (c) { \
338 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
339 l = (list); \
340 c = 0; \
341 while (p && l->gen_mask) { \
342 if (l->gen_mask & (1 << (gen))) { \
343 drm_property_add_enum(p, c, l->type, l->name); \
344 c++; \
345 } \
346 l++; \
347 } \
348 } \
349 } while(0)
350
351 static void
352 nouveau_display_hpd_work(struct work_struct *work)
353 {
354 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
355
356 pm_runtime_get_sync(drm->dev->dev);
357
358 drm_helper_hpd_irq_event(drm->dev);
359 /* enable polling for external displays */
360 drm_kms_helper_poll_enable(drm->dev);
361
362 pm_runtime_mark_last_busy(drm->dev->dev);
363 pm_runtime_put_sync(drm->dev->dev);
364 }
365
366 #ifdef CONFIG_ACPI
367
368 /*
369 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch
370 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c .
371 * This should be dropped once that is merged.
372 */
373 #ifndef ACPI_VIDEO_NOTIFY_PROBE
374 #define ACPI_VIDEO_NOTIFY_PROBE 0x81
375 #endif
376
377 static int
378 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
379 void *data)
380 {
381 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
382 struct acpi_bus_event *info = data;
383
384 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
385 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
386 /*
387 * This may be the only indication we receive of a
388 * connector hotplug on a runtime suspended GPU,
389 * schedule hpd_work to check.
390 */
391 schedule_work(&drm->hpd_work);
392
393 /* acpi-video should not generate keypresses for this */
394 return NOTIFY_BAD;
395 }
396 }
397
398 return NOTIFY_DONE;
399 }
400 #endif
401
402 int
403 nouveau_display_init(struct drm_device *dev)
404 {
405 struct nouveau_display *disp = nouveau_display(dev);
406 struct nouveau_drm *drm = nouveau_drm(dev);
407 struct drm_connector *connector;
408 struct drm_connector_list_iter conn_iter;
409 int ret;
410
411 ret = disp->init(dev);
412 if (ret)
413 return ret;
414
415 /* enable hotplug interrupts */
416 drm_connector_list_iter_begin(dev, &conn_iter);
417 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
418 struct nouveau_connector *conn = nouveau_connector(connector);
419 nvif_notify_get(&conn->hpd);
420 }
421 drm_connector_list_iter_end(&conn_iter);
422
423 /* enable flip completion events */
424 nvif_notify_get(&drm->flip);
425 return ret;
426 }
427
428 void
429 nouveau_display_fini(struct drm_device *dev, bool suspend)
430 {
431 struct nouveau_display *disp = nouveau_display(dev);
432 struct nouveau_drm *drm = nouveau_drm(dev);
433 struct drm_connector *connector;
434 struct drm_connector_list_iter conn_iter;
435
436 if (!suspend) {
437 if (drm_drv_uses_atomic_modeset(dev))
438 drm_atomic_helper_shutdown(dev);
439 else
440 drm_crtc_force_disable_all(dev);
441 }
442
443 /* disable flip completion events */
444 nvif_notify_put(&drm->flip);
445
446 /* disable hotplug interrupts */
447 drm_connector_list_iter_begin(dev, &conn_iter);
448 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
449 struct nouveau_connector *conn = nouveau_connector(connector);
450 nvif_notify_put(&conn->hpd);
451 }
452 drm_connector_list_iter_end(&conn_iter);
453
454 drm_kms_helper_poll_disable(dev);
455 disp->fini(dev);
456 }
457
458 static void
459 nouveau_display_create_properties(struct drm_device *dev)
460 {
461 struct nouveau_display *disp = nouveau_display(dev);
462 int gen;
463
464 if (disp->disp.oclass < NV50_DISP)
465 gen = 0;
466 else
467 if (disp->disp.oclass < GF110_DISP)
468 gen = 1;
469 else
470 gen = 2;
471
472 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
473 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
474 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
475
476 disp->underscan_hborder_property =
477 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
478
479 disp->underscan_vborder_property =
480 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
481
482 if (gen < 1)
483 return;
484
485 /* -90..+90 */
486 disp->vibrant_hue_property =
487 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
488
489 /* -100..+100 */
490 disp->color_vibrance_property =
491 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
492 }
493
494 int
495 nouveau_display_create(struct drm_device *dev)
496 {
497 struct nouveau_drm *drm = nouveau_drm(dev);
498 struct nvkm_device *device = nvxx_device(&drm->client.device);
499 struct nouveau_display *disp;
500 int ret;
501
502 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
503 if (!disp)
504 return -ENOMEM;
505
506 drm_mode_config_init(dev);
507 drm_mode_create_scaling_mode_property(dev);
508 drm_mode_create_dvi_i_properties(dev);
509
510 dev->mode_config.funcs = &nouveau_mode_config_funcs;
511 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
512
513 dev->mode_config.min_width = 0;
514 dev->mode_config.min_height = 0;
515 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
516 dev->mode_config.max_width = 2048;
517 dev->mode_config.max_height = 2048;
518 } else
519 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
520 dev->mode_config.max_width = 4096;
521 dev->mode_config.max_height = 4096;
522 } else
523 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
524 dev->mode_config.max_width = 8192;
525 dev->mode_config.max_height = 8192;
526 } else {
527 dev->mode_config.max_width = 16384;
528 dev->mode_config.max_height = 16384;
529 }
530
531 dev->mode_config.preferred_depth = 24;
532 dev->mode_config.prefer_shadow = 1;
533
534 if (drm->client.device.info.chipset < 0x11)
535 dev->mode_config.async_page_flip = false;
536 else
537 dev->mode_config.async_page_flip = true;
538
539 drm_kms_helper_poll_init(dev);
540 drm_kms_helper_poll_disable(dev);
541
542 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
543 static const u16 oclass[] = {
544 GP102_DISP,
545 GP100_DISP,
546 GM200_DISP,
547 GM107_DISP,
548 GK110_DISP,
549 GK104_DISP,
550 GF110_DISP,
551 GT214_DISP,
552 GT206_DISP,
553 GT200_DISP,
554 G82_DISP,
555 NV50_DISP,
556 NV04_DISP,
557 };
558 int i;
559
560 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
561 ret = nvif_object_init(&drm->client.device.object, 0,
562 oclass[i], NULL, 0, &disp->disp);
563 }
564
565 if (ret == 0) {
566 nouveau_display_create_properties(dev);
567 if (disp->disp.oclass < NV50_DISP)
568 ret = nv04_display_create(dev);
569 else
570 ret = nv50_display_create(dev);
571 }
572 } else {
573 ret = 0;
574 }
575
576 if (ret)
577 goto disp_create_err;
578
579 drm_mode_config_reset(dev);
580
581 if (dev->mode_config.num_crtc) {
582 ret = nouveau_display_vblank_init(dev);
583 if (ret)
584 goto vblank_err;
585 }
586
587 nouveau_backlight_init(dev);
588 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
589 #ifdef CONFIG_ACPI
590 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
591 register_acpi_notifier(&drm->acpi_nb);
592 #endif
593
594 return 0;
595
596 vblank_err:
597 disp->dtor(dev);
598 disp_create_err:
599 drm_kms_helper_poll_fini(dev);
600 drm_mode_config_cleanup(dev);
601 return ret;
602 }
603
604 void
605 nouveau_display_destroy(struct drm_device *dev)
606 {
607 struct nouveau_display *disp = nouveau_display(dev);
608
609 #ifdef CONFIG_ACPI
610 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
611 #endif
612 nouveau_backlight_exit(dev);
613 nouveau_display_vblank_fini(dev);
614
615 drm_kms_helper_poll_fini(dev);
616 drm_mode_config_cleanup(dev);
617
618 if (disp->dtor)
619 disp->dtor(dev);
620
621 nvif_object_fini(&disp->disp);
622
623 nouveau_drm(dev)->display = NULL;
624 kfree(disp);
625 }
626
627 int
628 nouveau_display_suspend(struct drm_device *dev, bool runtime)
629 {
630 struct nouveau_display *disp = nouveau_display(dev);
631 struct drm_crtc *crtc;
632
633 if (drm_drv_uses_atomic_modeset(dev)) {
634 if (!runtime) {
635 disp->suspend = drm_atomic_helper_suspend(dev);
636 if (IS_ERR(disp->suspend)) {
637 int ret = PTR_ERR(disp->suspend);
638 disp->suspend = NULL;
639 return ret;
640 }
641 }
642
643 nouveau_display_fini(dev, true);
644 return 0;
645 }
646
647 nouveau_display_fini(dev, true);
648
649 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
650 struct nouveau_framebuffer *nouveau_fb;
651
652 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
653 if (!nouveau_fb || !nouveau_fb->nvbo)
654 continue;
655
656 nouveau_bo_unpin(nouveau_fb->nvbo);
657 }
658
659 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
660 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
661 if (nv_crtc->cursor.nvbo) {
662 if (nv_crtc->cursor.set_offset)
663 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
664 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
665 }
666 }
667
668 return 0;
669 }
670
671 void
672 nouveau_display_resume(struct drm_device *dev, bool runtime)
673 {
674 struct nouveau_display *disp = nouveau_display(dev);
675 struct nouveau_drm *drm = nouveau_drm(dev);
676 struct drm_crtc *crtc;
677 int ret;
678
679 if (drm_drv_uses_atomic_modeset(dev)) {
680 nouveau_display_init(dev);
681 if (disp->suspend) {
682 drm_atomic_helper_resume(dev, disp->suspend);
683 disp->suspend = NULL;
684 }
685 return;
686 }
687
688 /* re-pin fb/cursors */
689 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
690 struct nouveau_framebuffer *nouveau_fb;
691
692 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
693 if (!nouveau_fb || !nouveau_fb->nvbo)
694 continue;
695
696 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
697 if (ret)
698 NV_ERROR(drm, "Could not pin framebuffer\n");
699 }
700
701 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
702 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
703 if (!nv_crtc->cursor.nvbo)
704 continue;
705
706 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
707 if (!ret && nv_crtc->cursor.set_offset)
708 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
709 if (ret)
710 NV_ERROR(drm, "Could not pin/map cursor.\n");
711 }
712
713 nouveau_display_init(dev);
714
715 /* Force CLUT to get re-loaded during modeset */
716 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
717 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
718
719 nv_crtc->lut.depth = 0;
720 }
721
722 /* This should ensure we don't hit a locking problem when someone
723 * wakes us up via a connector. We should never go into suspend
724 * while the display is on anyways.
725 */
726 if (runtime)
727 return;
728
729 drm_helper_resume_force_mode(dev);
730
731 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
732 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
733
734 if (!nv_crtc->cursor.nvbo)
735 continue;
736
737 if (nv_crtc->cursor.set_offset)
738 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
739 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
740 nv_crtc->cursor_saved_y);
741 }
742 }
743
744 static int
745 nouveau_page_flip_emit(struct nouveau_channel *chan,
746 struct nouveau_bo *old_bo,
747 struct nouveau_bo *new_bo,
748 struct nouveau_page_flip_state *s,
749 struct nouveau_fence **pfence)
750 {
751 struct nouveau_fence_chan *fctx = chan->fence;
752 struct nouveau_drm *drm = chan->drm;
753 struct drm_device *dev = drm->dev;
754 unsigned long flags;
755 int ret;
756
757 /* Queue it to the pending list */
758 spin_lock_irqsave(&dev->event_lock, flags);
759 list_add_tail(&s->head, &fctx->flip);
760 spin_unlock_irqrestore(&dev->event_lock, flags);
761
762 /* Synchronize with the old framebuffer */
763 ret = nouveau_fence_sync(old_bo, chan, false, false);
764 if (ret)
765 goto fail;
766
767 /* Emit the pageflip */
768 ret = RING_SPACE(chan, 2);
769 if (ret)
770 goto fail;
771
772 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
773 OUT_RING (chan, 0x00000000);
774 FIRE_RING (chan);
775
776 ret = nouveau_fence_new(chan, false, pfence);
777 if (ret)
778 goto fail;
779
780 return 0;
781 fail:
782 spin_lock_irqsave(&dev->event_lock, flags);
783 list_del(&s->head);
784 spin_unlock_irqrestore(&dev->event_lock, flags);
785 return ret;
786 }
787
788 int
789 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
790 struct drm_pending_vblank_event *event, u32 flags,
791 struct drm_modeset_acquire_ctx *ctx)
792 {
793 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
794 struct drm_device *dev = crtc->dev;
795 struct nouveau_drm *drm = nouveau_drm(dev);
796 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
797 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
798 struct nouveau_page_flip_state *s;
799 struct nouveau_channel *chan;
800 struct nouveau_cli *cli;
801 struct nouveau_fence *fence;
802 struct nv04_display *dispnv04 = nv04_display(dev);
803 int head = nouveau_crtc(crtc)->index;
804 int ret;
805
806 chan = drm->channel;
807 if (!chan)
808 return -ENODEV;
809 cli = (void *)chan->user.client;
810
811 s = kzalloc(sizeof(*s), GFP_KERNEL);
812 if (!s)
813 return -ENOMEM;
814
815 if (new_bo != old_bo) {
816 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
817 if (ret)
818 goto fail_free;
819 }
820
821 mutex_lock(&cli->mutex);
822 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
823 if (ret)
824 goto fail_unpin;
825
826 /* synchronise rendering channel with the kernel's channel */
827 ret = nouveau_fence_sync(new_bo, chan, false, true);
828 if (ret) {
829 ttm_bo_unreserve(&new_bo->bo);
830 goto fail_unpin;
831 }
832
833 if (new_bo != old_bo) {
834 ttm_bo_unreserve(&new_bo->bo);
835
836 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
837 if (ret)
838 goto fail_unpin;
839 }
840
841 /* Initialize a page flip struct */
842 *s = (struct nouveau_page_flip_state)
843 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0],
844 new_bo->bo.offset };
845
846 /* Keep vblanks on during flip, for the target crtc of this flip */
847 drm_crtc_vblank_get(crtc);
848
849 /* Emit a page flip */
850 if (swap_interval) {
851 ret = RING_SPACE(chan, 8);
852 if (ret)
853 goto fail_unreserve;
854
855 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
856 OUT_RING (chan, 0);
857 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
858 OUT_RING (chan, head);
859 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
860 OUT_RING (chan, 0);
861 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
862 OUT_RING (chan, 0);
863 }
864
865 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
866
867 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
868 if (ret)
869 goto fail_unreserve;
870 mutex_unlock(&cli->mutex);
871
872 /* Update the crtc struct and cleanup */
873 crtc->primary->fb = fb;
874
875 nouveau_bo_fence(old_bo, fence, false);
876 ttm_bo_unreserve(&old_bo->bo);
877 if (old_bo != new_bo)
878 nouveau_bo_unpin(old_bo);
879 nouveau_fence_unref(&fence);
880 return 0;
881
882 fail_unreserve:
883 drm_crtc_vblank_put(crtc);
884 ttm_bo_unreserve(&old_bo->bo);
885 fail_unpin:
886 mutex_unlock(&cli->mutex);
887 if (old_bo != new_bo)
888 nouveau_bo_unpin(new_bo);
889 fail_free:
890 kfree(s);
891 return ret;
892 }
893
894 int
895 nouveau_finish_page_flip(struct nouveau_channel *chan,
896 struct nouveau_page_flip_state *ps)
897 {
898 struct nouveau_fence_chan *fctx = chan->fence;
899 struct nouveau_drm *drm = chan->drm;
900 struct drm_device *dev = drm->dev;
901 struct nouveau_page_flip_state *s;
902 unsigned long flags;
903
904 spin_lock_irqsave(&dev->event_lock, flags);
905
906 if (list_empty(&fctx->flip)) {
907 NV_ERROR(drm, "unexpected pageflip\n");
908 spin_unlock_irqrestore(&dev->event_lock, flags);
909 return -EINVAL;
910 }
911
912 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
913 if (s->event) {
914 drm_crtc_arm_vblank_event(s->crtc, s->event);
915 } else {
916 /* Give up ownership of vblank for page-flipped crtc */
917 drm_crtc_vblank_put(s->crtc);
918 }
919
920 list_del(&s->head);
921 if (ps)
922 *ps = *s;
923 kfree(s);
924
925 spin_unlock_irqrestore(&dev->event_lock, flags);
926 return 0;
927 }
928
929 int
930 nouveau_flip_complete(struct nvif_notify *notify)
931 {
932 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
933 struct nouveau_channel *chan = drm->channel;
934 struct nouveau_page_flip_state state;
935
936 if (!nouveau_finish_page_flip(chan, &state)) {
937 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
938 state.offset + state.crtc->y *
939 state.pitch + state.crtc->x *
940 state.bpp / 8);
941 }
942
943 return NVIF_NOTIFY_KEEP;
944 }
945
946 int
947 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
948 struct drm_mode_create_dumb *args)
949 {
950 struct nouveau_cli *cli = nouveau_cli(file_priv);
951 struct nouveau_bo *bo;
952 uint32_t domain;
953 int ret;
954
955 args->pitch = roundup(args->width * (args->bpp / 8), 256);
956 args->size = args->pitch * args->height;
957 args->size = roundup(args->size, PAGE_SIZE);
958
959 /* Use VRAM if there is any ; otherwise fallback to system memory */
960 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
961 domain = NOUVEAU_GEM_DOMAIN_VRAM;
962 else
963 domain = NOUVEAU_GEM_DOMAIN_GART;
964
965 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
966 if (ret)
967 return ret;
968
969 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
970 drm_gem_object_unreference_unlocked(&bo->gem);
971 return ret;
972 }
973
974 int
975 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
976 struct drm_device *dev,
977 uint32_t handle, uint64_t *poffset)
978 {
979 struct drm_gem_object *gem;
980
981 gem = drm_gem_object_lookup(file_priv, handle);
982 if (gem) {
983 struct nouveau_bo *bo = nouveau_gem_object(gem);
984 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
985 drm_gem_object_unreference_unlocked(gem);
986 return 0;
987 }
988
989 return -ENOENT;
990 }