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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#include <drm/drm_fb_helper.h>
33#include <drm/drm_probe_helper.h>
34
35#include "nouveau_fbcon.h"
36#include "nouveau_crtc.h"
37#include "nouveau_gem.h"
38#include "nouveau_connector.h"
39#include "nv50_display.h"
40
41#include <nvif/class.h>
42#include <nvif/cl0046.h>
43#include <nvif/event.h>
44
45static int
46nouveau_display_vblank_handler(struct nvif_notify *notify)
47{
48 struct nouveau_crtc *nv_crtc =
49 container_of(notify, typeof(*nv_crtc), vblank);
50 drm_crtc_handle_vblank(&nv_crtc->base);
51 return NVIF_NOTIFY_KEEP;
52}
53
54int
55nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
56{
57 struct drm_crtc *crtc;
58 struct nouveau_crtc *nv_crtc;
59
60 crtc = drm_crtc_from_index(dev, pipe);
61 if (!crtc)
62 return -EINVAL;
63
64 nv_crtc = nouveau_crtc(crtc);
65 nvif_notify_get(&nv_crtc->vblank);
66
67 return 0;
68}
69
70void
71nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
72{
73 struct drm_crtc *crtc;
74 struct nouveau_crtc *nv_crtc;
75
76 crtc = drm_crtc_from_index(dev, pipe);
77 if (!crtc)
78 return;
79
80 nv_crtc = nouveau_crtc(crtc);
81 nvif_notify_put(&nv_crtc->vblank);
82}
83
84static inline int
85calc(int blanks, int blanke, int total, int line)
86{
87 if (blanke >= blanks) {
88 if (line >= blanks)
89 line -= total;
90 } else {
91 if (line >= blanks)
92 line -= total;
93 line -= blanke + 1;
94 }
95 return line;
96}
97
98static bool
99nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
100 ktime_t *stime, ktime_t *etime)
101{
102 struct {
103 struct nv04_disp_mthd_v0 base;
104 struct nv04_disp_scanoutpos_v0 scan;
105 } args = {
106 .base.method = NV04_DISP_SCANOUTPOS,
107 .base.head = nouveau_crtc(crtc)->index,
108 };
109 struct nouveau_display *disp = nouveau_display(crtc->dev);
110 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
111 int retry = 20;
112 bool ret = false;
113
114 do {
115 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args));
116 if (ret != 0)
117 return false;
118
119 if (args.scan.vline) {
120 ret = true;
121 break;
122 }
123
124 if (retry) ndelay(vblank->linedur_ns);
125 } while (retry--);
126
127 *hpos = args.scan.hline;
128 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
129 args.scan.vtotal, args.scan.vline);
130 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
131 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
132
133 return ret;
134}
135
136bool
137nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
138 bool in_vblank_irq, int *vpos, int *hpos,
139 ktime_t *stime, ktime_t *etime,
140 const struct drm_display_mode *mode)
141{
142 struct drm_crtc *crtc;
143
144 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
145 if (nouveau_crtc(crtc)->index == pipe) {
146 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
147 stime, etime);
148 }
149 }
150
151 return false;
152}
153
154static void
155nouveau_display_vblank_fini(struct drm_device *dev)
156{
157 struct drm_crtc *crtc;
158
159 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
160 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
161 nvif_notify_fini(&nv_crtc->vblank);
162 }
163}
164
165static int
166nouveau_display_vblank_init(struct drm_device *dev)
167{
168 struct nouveau_display *disp = nouveau_display(dev);
169 struct drm_crtc *crtc;
170 int ret;
171
172 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
173 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
174 ret = nvif_notify_init(&disp->disp.object,
175 nouveau_display_vblank_handler, false,
176 NV04_DISP_NTFY_VBLANK,
177 &(struct nvif_notify_head_req_v0) {
178 .head = nv_crtc->index,
179 },
180 sizeof(struct nvif_notify_head_req_v0),
181 sizeof(struct nvif_notify_head_rep_v0),
182 &nv_crtc->vblank);
183 if (ret) {
184 nouveau_display_vblank_fini(dev);
185 return ret;
186 }
187 }
188
189 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
190 if (ret) {
191 nouveau_display_vblank_fini(dev);
192 return ret;
193 }
194
195 return 0;
196}
197
198static void
199nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
200{
201 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
202
203 if (fb->nvbo)
204 drm_gem_object_put_unlocked(&fb->nvbo->gem);
205
206 drm_framebuffer_cleanup(drm_fb);
207 kfree(fb);
208}
209
210static int
211nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
212 struct drm_file *file_priv,
213 unsigned int *handle)
214{
215 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
216
217 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
218}
219
220static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
221 .destroy = nouveau_user_framebuffer_destroy,
222 .create_handle = nouveau_user_framebuffer_create_handle,
223};
224
225int
226nouveau_framebuffer_new(struct drm_device *dev,
227 const struct drm_mode_fb_cmd2 *mode_cmd,
228 struct nouveau_bo *nvbo,
229 struct nouveau_framebuffer **pfb)
230{
231 struct nouveau_drm *drm = nouveau_drm(dev);
232 struct nouveau_framebuffer *fb;
233 int ret;
234
235
236 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
237
238 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
239 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
240 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
241 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
242 (mode_cmd->pitches[0] & 0x3f ||
243 mode_cmd->pitches[0] >= 0x10000 ||
244 (mode_cmd->pitches[1] &&
245 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
246 struct drm_format_name_buf format_name;
247 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
248 drm_get_format_name(mode_cmd->pixel_format,
249 &format_name),
250 mode_cmd->pitches[0],
251 mode_cmd->pitches[1]);
252 return -EINVAL;
253 }
254
255 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
256 return -ENOMEM;
257
258 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
259 fb->nvbo = nvbo;
260
261 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
262 if (ret)
263 kfree(fb);
264 return ret;
265}
266
267struct drm_framebuffer *
268nouveau_user_framebuffer_create(struct drm_device *dev,
269 struct drm_file *file_priv,
270 const struct drm_mode_fb_cmd2 *mode_cmd)
271{
272 struct nouveau_framebuffer *fb;
273 struct nouveau_bo *nvbo;
274 struct drm_gem_object *gem;
275 int ret;
276
277 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
278 if (!gem)
279 return ERR_PTR(-ENOENT);
280 nvbo = nouveau_gem_object(gem);
281
282 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
283 if (ret == 0)
284 return &fb->base;
285
286 drm_gem_object_put_unlocked(gem);
287 return ERR_PTR(ret);
288}
289
290static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
291 .fb_create = nouveau_user_framebuffer_create,
292 .output_poll_changed = nouveau_fbcon_output_poll_changed,
293};
294
295
296struct nouveau_drm_prop_enum_list {
297 u8 gen_mask;
298 int type;
299 char *name;
300};
301
302static struct nouveau_drm_prop_enum_list underscan[] = {
303 { 6, UNDERSCAN_AUTO, "auto" },
304 { 6, UNDERSCAN_OFF, "off" },
305 { 6, UNDERSCAN_ON, "on" },
306 {}
307};
308
309static struct nouveau_drm_prop_enum_list dither_mode[] = {
310 { 7, DITHERING_MODE_AUTO, "auto" },
311 { 7, DITHERING_MODE_OFF, "off" },
312 { 1, DITHERING_MODE_ON, "on" },
313 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
314 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
315 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
316 {}
317};
318
319static struct nouveau_drm_prop_enum_list dither_depth[] = {
320 { 6, DITHERING_DEPTH_AUTO, "auto" },
321 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
322 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
323 {}
324};
325
326#define PROP_ENUM(p,gen,n,list) do { \
327 struct nouveau_drm_prop_enum_list *l = (list); \
328 int c = 0; \
329 while (l->gen_mask) { \
330 if (l->gen_mask & (1 << (gen))) \
331 c++; \
332 l++; \
333 } \
334 if (c) { \
335 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
336 l = (list); \
337 while (p && l->gen_mask) { \
338 if (l->gen_mask & (1 << (gen))) { \
339 drm_property_add_enum(p, l->type, l->name); \
340 } \
341 l++; \
342 } \
343 } \
344} while(0)
345
346static void
347nouveau_display_hpd_work(struct work_struct *work)
348{
349 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
350
351 pm_runtime_get_sync(drm->dev->dev);
352
353 drm_helper_hpd_irq_event(drm->dev);
354
355 pm_runtime_mark_last_busy(drm->dev->dev);
356 pm_runtime_put_sync(drm->dev->dev);
357}
358
359#ifdef CONFIG_ACPI
360
361static int
362nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
363 void *data)
364{
365 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
366 struct acpi_bus_event *info = data;
367 int ret;
368
369 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
370 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
371 ret = pm_runtime_get(drm->dev->dev);
372 if (ret == 1 || ret == -EACCES) {
373
374
375
376
377 pm_runtime_put_autosuspend(drm->dev->dev);
378 } else if (ret == 0) {
379
380
381
382
383 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
384 schedule_work(&drm->hpd_work);
385 pm_runtime_put_noidle(drm->dev->dev);
386 } else {
387 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
388 ret);
389 }
390
391
392 return NOTIFY_BAD;
393 }
394 }
395
396 return NOTIFY_DONE;
397}
398#endif
399
400int
401nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
402{
403 struct nouveau_display *disp = nouveau_display(dev);
404 struct drm_connector *connector;
405 struct drm_connector_list_iter conn_iter;
406 int ret;
407
408 ret = disp->init(dev, resume, runtime);
409 if (ret)
410 return ret;
411
412
413
414
415 drm_kms_helper_poll_enable(dev);
416
417
418 drm_connector_list_iter_begin(dev, &conn_iter);
419 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
420 struct nouveau_connector *conn = nouveau_connector(connector);
421 nvif_notify_get(&conn->hpd);
422 }
423 drm_connector_list_iter_end(&conn_iter);
424
425 return ret;
426}
427
428void
429nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
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_helper_force_disable_all(dev);
441 }
442
443
444 drm_connector_list_iter_begin(dev, &conn_iter);
445 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
446 struct nouveau_connector *conn = nouveau_connector(connector);
447 nvif_notify_put(&conn->hpd);
448 }
449 drm_connector_list_iter_end(&conn_iter);
450
451 if (!runtime)
452 cancel_work_sync(&drm->hpd_work);
453
454 drm_kms_helper_poll_disable(dev);
455 disp->fini(dev, suspend);
456}
457
458static void
459nouveau_display_create_properties(struct drm_device *dev)
460{
461 struct nouveau_display *disp = nouveau_display(dev);
462 int gen;
463
464 if (disp->disp.object.oclass < NV50_DISP)
465 gen = 0;
466 else
467 if (disp->disp.object.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
486 disp->vibrant_hue_property =
487 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
488
489
490 disp->color_vibrance_property =
491 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
492}
493
494int
495nouveau_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 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp);
544 if (ret == 0) {
545 nouveau_display_create_properties(dev);
546 if (disp->disp.object.oclass < NV50_DISP)
547 ret = nv04_display_create(dev);
548 else
549 ret = nv50_display_create(dev);
550 }
551 } else {
552 ret = 0;
553 }
554
555 if (ret)
556 goto disp_create_err;
557
558 drm_mode_config_reset(dev);
559
560 if (dev->mode_config.num_crtc) {
561 ret = nouveau_display_vblank_init(dev);
562 if (ret)
563 goto vblank_err;
564 }
565
566 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
567#ifdef CONFIG_ACPI
568 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
569 register_acpi_notifier(&drm->acpi_nb);
570#endif
571
572 return 0;
573
574vblank_err:
575 disp->dtor(dev);
576disp_create_err:
577 drm_kms_helper_poll_fini(dev);
578 drm_mode_config_cleanup(dev);
579 return ret;
580}
581
582void
583nouveau_display_destroy(struct drm_device *dev)
584{
585 struct nouveau_display *disp = nouveau_display(dev);
586
587#ifdef CONFIG_ACPI
588 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
589#endif
590 nouveau_display_vblank_fini(dev);
591
592 drm_kms_helper_poll_fini(dev);
593 drm_mode_config_cleanup(dev);
594
595 if (disp->dtor)
596 disp->dtor(dev);
597
598 nvif_disp_dtor(&disp->disp);
599
600 nouveau_drm(dev)->display = NULL;
601 kfree(disp);
602}
603
604int
605nouveau_display_suspend(struct drm_device *dev, bool runtime)
606{
607 struct nouveau_display *disp = nouveau_display(dev);
608
609 if (drm_drv_uses_atomic_modeset(dev)) {
610 if (!runtime) {
611 disp->suspend = drm_atomic_helper_suspend(dev);
612 if (IS_ERR(disp->suspend)) {
613 int ret = PTR_ERR(disp->suspend);
614 disp->suspend = NULL;
615 return ret;
616 }
617 }
618 }
619
620 nouveau_display_fini(dev, true, runtime);
621 return 0;
622}
623
624void
625nouveau_display_resume(struct drm_device *dev, bool runtime)
626{
627 struct nouveau_display *disp = nouveau_display(dev);
628
629 nouveau_display_init(dev, true, runtime);
630
631 if (drm_drv_uses_atomic_modeset(dev)) {
632 if (disp->suspend) {
633 drm_atomic_helper_resume(dev, disp->suspend);
634 disp->suspend = NULL;
635 }
636 return;
637 }
638}
639
640int
641nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
642 struct drm_mode_create_dumb *args)
643{
644 struct nouveau_cli *cli = nouveau_cli(file_priv);
645 struct nouveau_bo *bo;
646 uint32_t domain;
647 int ret;
648
649 args->pitch = roundup(args->width * (args->bpp / 8), 256);
650 args->size = args->pitch * args->height;
651 args->size = roundup(args->size, PAGE_SIZE);
652
653
654 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
655 domain = NOUVEAU_GEM_DOMAIN_VRAM;
656 else
657 domain = NOUVEAU_GEM_DOMAIN_GART;
658
659 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
660 if (ret)
661 return ret;
662
663 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
664 drm_gem_object_put_unlocked(&bo->gem);
665 return ret;
666}
667
668int
669nouveau_display_dumb_map_offset(struct drm_file *file_priv,
670 struct drm_device *dev,
671 uint32_t handle, uint64_t *poffset)
672{
673 struct drm_gem_object *gem;
674
675 gem = drm_gem_object_lookup(file_priv, handle);
676 if (gem) {
677 struct nouveau_bo *bo = nouveau_gem_object(gem);
678 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
679 drm_gem_object_put_unlocked(gem);
680 return 0;
681 }
682
683 return -ENOENT;
684}
685
