This source file includes following definitions.
- nouveau_display_vblank_handler
- nouveau_display_vblank_enable
- nouveau_display_vblank_disable
- calc
- nouveau_display_scanoutpos_head
- nouveau_display_scanoutpos
- nouveau_display_vblank_fini
- nouveau_display_vblank_init
- nouveau_user_framebuffer_destroy
- nouveau_user_framebuffer_create_handle
- nouveau_framebuffer_new
- nouveau_user_framebuffer_create
- nouveau_display_hpd_work
- nouveau_display_acpi_ntfy
- nouveau_display_init
- nouveau_display_fini
- nouveau_display_create_properties
- nouveau_display_create
- nouveau_display_destroy
- nouveau_display_suspend
- nouveau_display_resume
- nouveau_display_dumb_create
- nouveau_display_dumb_map_offset
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27 #include <acpi/video.h>
28
29 #include <drm/drm_atomic.h>
30 #include <drm/drm_atomic_helper.h>
31 #include <drm/drm_crtc_helper.h>
32 #include <drm/drm_fb_helper.h>
33 #include <drm/drm_fourcc.h>
34 #include <drm/drm_probe_helper.h>
35 #include <drm/drm_vblank.h>
36
37 #include "nouveau_fbcon.h"
38 #include "nouveau_crtc.h"
39 #include "nouveau_gem.h"
40 #include "nouveau_connector.h"
41 #include "nv50_display.h"
42
43 #include <nvif/class.h>
44 #include <nvif/cl0046.h>
45 #include <nvif/event.h>
46
47 static int
48 nouveau_display_vblank_handler(struct nvif_notify *notify)
49 {
50 struct nouveau_crtc *nv_crtc =
51 container_of(notify, typeof(*nv_crtc), vblank);
52 drm_crtc_handle_vblank(&nv_crtc->base);
53 return NVIF_NOTIFY_KEEP;
54 }
55
56 int
57 nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
58 {
59 struct drm_crtc *crtc;
60 struct nouveau_crtc *nv_crtc;
61
62 crtc = drm_crtc_from_index(dev, pipe);
63 if (!crtc)
64 return -EINVAL;
65
66 nv_crtc = nouveau_crtc(crtc);
67 nvif_notify_get(&nv_crtc->vblank);
68
69 return 0;
70 }
71
72 void
73 nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
74 {
75 struct drm_crtc *crtc;
76 struct nouveau_crtc *nv_crtc;
77
78 crtc = drm_crtc_from_index(dev, pipe);
79 if (!crtc)
80 return;
81
82 nv_crtc = nouveau_crtc(crtc);
83 nvif_notify_put(&nv_crtc->vblank);
84 }
85
86 static inline int
87 calc(int blanks, int blanke, int total, int line)
88 {
89 if (blanke >= blanks) {
90 if (line >= blanks)
91 line -= total;
92 } else {
93 if (line >= blanks)
94 line -= total;
95 line -= blanke + 1;
96 }
97 return line;
98 }
99
100 static bool
101 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
102 ktime_t *stime, ktime_t *etime)
103 {
104 struct {
105 struct nv04_disp_mthd_v0 base;
106 struct nv04_disp_scanoutpos_v0 scan;
107 } args = {
108 .base.method = NV04_DISP_SCANOUTPOS,
109 .base.head = nouveau_crtc(crtc)->index,
110 };
111 struct nouveau_display *disp = nouveau_display(crtc->dev);
112 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
113 int retry = 20;
114 bool ret = false;
115
116 do {
117 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args));
118 if (ret != 0)
119 return false;
120
121 if (args.scan.vline) {
122 ret = true;
123 break;
124 }
125
126 if (retry) ndelay(vblank->linedur_ns);
127 } while (retry--);
128
129 *hpos = args.scan.hline;
130 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
131 args.scan.vtotal, args.scan.vline);
132 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
133 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
134
135 return ret;
136 }
137
138 bool
139 nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
140 bool in_vblank_irq, int *vpos, int *hpos,
141 ktime_t *stime, ktime_t *etime,
142 const struct drm_display_mode *mode)
143 {
144 struct drm_crtc *crtc;
145
146 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
147 if (nouveau_crtc(crtc)->index == pipe) {
148 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
149 stime, etime);
150 }
151 }
152
153 return false;
154 }
155
156 static void
157 nouveau_display_vblank_fini(struct drm_device *dev)
158 {
159 struct drm_crtc *crtc;
160
161 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
162 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
163 nvif_notify_fini(&nv_crtc->vblank);
164 }
165 }
166
167 static int
168 nouveau_display_vblank_init(struct drm_device *dev)
169 {
170 struct nouveau_display *disp = nouveau_display(dev);
171 struct drm_crtc *crtc;
172 int ret;
173
174 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
175 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
176 ret = nvif_notify_init(&disp->disp.object,
177 nouveau_display_vblank_handler, false,
178 NV04_DISP_NTFY_VBLANK,
179 &(struct nvif_notify_head_req_v0) {
180 .head = nv_crtc->index,
181 },
182 sizeof(struct nvif_notify_head_req_v0),
183 sizeof(struct nvif_notify_head_rep_v0),
184 &nv_crtc->vblank);
185 if (ret) {
186 nouveau_display_vblank_fini(dev);
187 return ret;
188 }
189 }
190
191 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
192 if (ret) {
193 nouveau_display_vblank_fini(dev);
194 return ret;
195 }
196
197 return 0;
198 }
199
200 static void
201 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
202 {
203 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
204
205 if (fb->nvbo)
206 drm_gem_object_put_unlocked(&fb->nvbo->bo.base);
207
208 drm_framebuffer_cleanup(drm_fb);
209 kfree(fb);
210 }
211
212 static int
213 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
214 struct drm_file *file_priv,
215 unsigned int *handle)
216 {
217 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
218
219 return drm_gem_handle_create(file_priv, &fb->nvbo->bo.base, handle);
220 }
221
222 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
223 .destroy = nouveau_user_framebuffer_destroy,
224 .create_handle = nouveau_user_framebuffer_create_handle,
225 };
226
227 int
228 nouveau_framebuffer_new(struct drm_device *dev,
229 const struct drm_mode_fb_cmd2 *mode_cmd,
230 struct nouveau_bo *nvbo,
231 struct nouveau_framebuffer **pfb)
232 {
233 struct nouveau_drm *drm = nouveau_drm(dev);
234 struct nouveau_framebuffer *fb;
235 int ret;
236
237
238 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
239
240 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
241 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
242 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
243 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
244 (mode_cmd->pitches[0] & 0x3f ||
245 mode_cmd->pitches[0] >= 0x10000 ||
246 (mode_cmd->pitches[1] &&
247 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
248 struct drm_format_name_buf format_name;
249 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
250 drm_get_format_name(mode_cmd->pixel_format,
251 &format_name),
252 mode_cmd->pitches[0],
253 mode_cmd->pitches[1]);
254 return -EINVAL;
255 }
256
257 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
258 return -ENOMEM;
259
260 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
261 fb->nvbo = nvbo;
262
263 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
264 if (ret)
265 kfree(fb);
266 return ret;
267 }
268
269 struct drm_framebuffer *
270 nouveau_user_framebuffer_create(struct drm_device *dev,
271 struct drm_file *file_priv,
272 const struct drm_mode_fb_cmd2 *mode_cmd)
273 {
274 struct nouveau_framebuffer *fb;
275 struct nouveau_bo *nvbo;
276 struct drm_gem_object *gem;
277 int ret;
278
279 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
280 if (!gem)
281 return ERR_PTR(-ENOENT);
282 nvbo = nouveau_gem_object(gem);
283
284 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
285 if (ret == 0)
286 return &fb->base;
287
288 drm_gem_object_put_unlocked(gem);
289 return ERR_PTR(ret);
290 }
291
292 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
293 .fb_create = nouveau_user_framebuffer_create,
294 .output_poll_changed = nouveau_fbcon_output_poll_changed,
295 };
296
297
298 struct nouveau_drm_prop_enum_list {
299 u8 gen_mask;
300 int type;
301 char *name;
302 };
303
304 static struct nouveau_drm_prop_enum_list underscan[] = {
305 { 6, UNDERSCAN_AUTO, "auto" },
306 { 6, UNDERSCAN_OFF, "off" },
307 { 6, UNDERSCAN_ON, "on" },
308 {}
309 };
310
311 static struct nouveau_drm_prop_enum_list dither_mode[] = {
312 { 7, DITHERING_MODE_AUTO, "auto" },
313 { 7, DITHERING_MODE_OFF, "off" },
314 { 1, DITHERING_MODE_ON, "on" },
315 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
316 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
317 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
318 {}
319 };
320
321 static struct nouveau_drm_prop_enum_list dither_depth[] = {
322 { 6, DITHERING_DEPTH_AUTO, "auto" },
323 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
324 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
325 {}
326 };
327
328 #define PROP_ENUM(p,gen,n,list) do { \
329 struct nouveau_drm_prop_enum_list *l = (list); \
330 int c = 0; \
331 while (l->gen_mask) { \
332 if (l->gen_mask & (1 << (gen))) \
333 c++; \
334 l++; \
335 } \
336 if (c) { \
337 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
338 l = (list); \
339 while (p && l->gen_mask) { \
340 if (l->gen_mask & (1 << (gen))) { \
341 drm_property_add_enum(p, l->type, l->name); \
342 } \
343 l++; \
344 } \
345 } \
346 } while(0)
347
348 static void
349 nouveau_display_hpd_work(struct work_struct *work)
350 {
351 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
352
353 pm_runtime_get_sync(drm->dev->dev);
354
355 drm_helper_hpd_irq_event(drm->dev);
356
357 pm_runtime_mark_last_busy(drm->dev->dev);
358 pm_runtime_put_sync(drm->dev->dev);
359 }
360
361 #ifdef CONFIG_ACPI
362
363 static int
364 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
365 void *data)
366 {
367 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
368 struct acpi_bus_event *info = data;
369 int ret;
370
371 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
372 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
373 ret = pm_runtime_get(drm->dev->dev);
374 if (ret == 1 || ret == -EACCES) {
375
376
377
378
379 pm_runtime_put_autosuspend(drm->dev->dev);
380 } else if (ret == 0) {
381
382
383
384
385 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
386 schedule_work(&drm->hpd_work);
387 pm_runtime_put_noidle(drm->dev->dev);
388 } else {
389 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
390 ret);
391 }
392
393
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, bool resume, bool runtime)
404 {
405 struct nouveau_display *disp = nouveau_display(dev);
406 struct drm_connector *connector;
407 struct drm_connector_list_iter conn_iter;
408 int ret;
409
410 ret = disp->init(dev, resume, runtime);
411 if (ret)
412 return ret;
413
414
415
416
417 drm_kms_helper_poll_enable(dev);
418
419
420 drm_connector_list_iter_begin(dev, &conn_iter);
421 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
422 struct nouveau_connector *conn = nouveau_connector(connector);
423 nvif_notify_get(&conn->hpd);
424 }
425 drm_connector_list_iter_end(&conn_iter);
426
427 return ret;
428 }
429
430 void
431 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
432 {
433 struct nouveau_display *disp = nouveau_display(dev);
434 struct nouveau_drm *drm = nouveau_drm(dev);
435 struct drm_connector *connector;
436 struct drm_connector_list_iter conn_iter;
437
438 if (!suspend) {
439 if (drm_drv_uses_atomic_modeset(dev))
440 drm_atomic_helper_shutdown(dev);
441 else
442 drm_helper_force_disable_all(dev);
443 }
444
445
446 drm_connector_list_iter_begin(dev, &conn_iter);
447 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
448 struct nouveau_connector *conn = nouveau_connector(connector);
449 nvif_notify_put(&conn->hpd);
450 }
451 drm_connector_list_iter_end(&conn_iter);
452
453 if (!runtime)
454 cancel_work_sync(&drm->hpd_work);
455
456 drm_kms_helper_poll_disable(dev);
457 disp->fini(dev, suspend);
458 }
459
460 static void
461 nouveau_display_create_properties(struct drm_device *dev)
462 {
463 struct nouveau_display *disp = nouveau_display(dev);
464 int gen;
465
466 if (disp->disp.object.oclass < NV50_DISP)
467 gen = 0;
468 else
469 if (disp->disp.object.oclass < GF110_DISP)
470 gen = 1;
471 else
472 gen = 2;
473
474 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
475 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
476 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
477
478 disp->underscan_hborder_property =
479 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
480
481 disp->underscan_vborder_property =
482 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
483
484 if (gen < 1)
485 return;
486
487
488 disp->vibrant_hue_property =
489 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
490
491
492 disp->color_vibrance_property =
493 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
494 }
495
496 int
497 nouveau_display_create(struct drm_device *dev)
498 {
499 struct nouveau_drm *drm = nouveau_drm(dev);
500 struct nvkm_device *device = nvxx_device(&drm->client.device);
501 struct nouveau_display *disp;
502 int ret;
503
504 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
505 if (!disp)
506 return -ENOMEM;
507
508 drm_mode_config_init(dev);
509 drm_mode_create_scaling_mode_property(dev);
510 drm_mode_create_dvi_i_properties(dev);
511
512 dev->mode_config.funcs = &nouveau_mode_config_funcs;
513 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
514
515 dev->mode_config.min_width = 0;
516 dev->mode_config.min_height = 0;
517 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
518 dev->mode_config.max_width = 2048;
519 dev->mode_config.max_height = 2048;
520 } else
521 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
522 dev->mode_config.max_width = 4096;
523 dev->mode_config.max_height = 4096;
524 } else
525 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
526 dev->mode_config.max_width = 8192;
527 dev->mode_config.max_height = 8192;
528 } else {
529 dev->mode_config.max_width = 16384;
530 dev->mode_config.max_height = 16384;
531 }
532
533 dev->mode_config.preferred_depth = 24;
534 dev->mode_config.prefer_shadow = 1;
535
536 if (drm->client.device.info.chipset < 0x11)
537 dev->mode_config.async_page_flip = false;
538 else
539 dev->mode_config.async_page_flip = true;
540
541 drm_kms_helper_poll_init(dev);
542 drm_kms_helper_poll_disable(dev);
543
544 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
545 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp);
546 if (ret == 0) {
547 nouveau_display_create_properties(dev);
548 if (disp->disp.object.oclass < NV50_DISP)
549 ret = nv04_display_create(dev);
550 else
551 ret = nv50_display_create(dev);
552 }
553 } else {
554 ret = 0;
555 }
556
557 if (ret)
558 goto disp_create_err;
559
560 drm_mode_config_reset(dev);
561
562 if (dev->mode_config.num_crtc) {
563 ret = nouveau_display_vblank_init(dev);
564 if (ret)
565 goto vblank_err;
566 }
567
568 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
569 #ifdef CONFIG_ACPI
570 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
571 register_acpi_notifier(&drm->acpi_nb);
572 #endif
573
574 return 0;
575
576 vblank_err:
577 disp->dtor(dev);
578 disp_create_err:
579 drm_kms_helper_poll_fini(dev);
580 drm_mode_config_cleanup(dev);
581 return ret;
582 }
583
584 void
585 nouveau_display_destroy(struct drm_device *dev)
586 {
587 struct nouveau_display *disp = nouveau_display(dev);
588
589 #ifdef CONFIG_ACPI
590 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
591 #endif
592 nouveau_display_vblank_fini(dev);
593
594 drm_kms_helper_poll_fini(dev);
595 drm_mode_config_cleanup(dev);
596
597 if (disp->dtor)
598 disp->dtor(dev);
599
600 nvif_disp_dtor(&disp->disp);
601
602 nouveau_drm(dev)->display = NULL;
603 kfree(disp);
604 }
605
606 int
607 nouveau_display_suspend(struct drm_device *dev, bool runtime)
608 {
609 struct nouveau_display *disp = nouveau_display(dev);
610
611 if (drm_drv_uses_atomic_modeset(dev)) {
612 if (!runtime) {
613 disp->suspend = drm_atomic_helper_suspend(dev);
614 if (IS_ERR(disp->suspend)) {
615 int ret = PTR_ERR(disp->suspend);
616 disp->suspend = NULL;
617 return ret;
618 }
619 }
620 }
621
622 nouveau_display_fini(dev, true, runtime);
623 return 0;
624 }
625
626 void
627 nouveau_display_resume(struct drm_device *dev, bool runtime)
628 {
629 struct nouveau_display *disp = nouveau_display(dev);
630
631 nouveau_display_init(dev, true, runtime);
632
633 if (drm_drv_uses_atomic_modeset(dev)) {
634 if (disp->suspend) {
635 drm_atomic_helper_resume(dev, disp->suspend);
636 disp->suspend = NULL;
637 }
638 return;
639 }
640 }
641
642 int
643 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
644 struct drm_mode_create_dumb *args)
645 {
646 struct nouveau_cli *cli = nouveau_cli(file_priv);
647 struct nouveau_bo *bo;
648 uint32_t domain;
649 int ret;
650
651 args->pitch = roundup(args->width * (args->bpp / 8), 256);
652 args->size = args->pitch * args->height;
653 args->size = roundup(args->size, PAGE_SIZE);
654
655
656 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
657 domain = NOUVEAU_GEM_DOMAIN_VRAM;
658 else
659 domain = NOUVEAU_GEM_DOMAIN_GART;
660
661 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
662 if (ret)
663 return ret;
664
665 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
666 drm_gem_object_put_unlocked(&bo->bo.base);
667 return ret;
668 }
669
670 int
671 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
672 struct drm_device *dev,
673 uint32_t handle, uint64_t *poffset)
674 {
675 struct drm_gem_object *gem;
676
677 gem = drm_gem_object_lookup(file_priv, handle);
678 if (gem) {
679 struct nouveau_bo *bo = nouveau_gem_object(gem);
680 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node);
681 drm_gem_object_put_unlocked(gem);
682 return 0;
683 }
684
685 return -ENOENT;
686 }