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27#include <drm/drmP.h>
28#include <drm/drm_crtc_helper.h>
29#include <drm/ttm/ttm_execbuf_util.h>
30
31#include "nouveau_fbcon.h"
32#include "dispnv04/hw.h"
33#include "nouveau_crtc.h"
34#include "nouveau_dma.h"
35#include "nouveau_gem.h"
36#include "nouveau_connector.h"
37#include "nv50_display.h"
38
39#include "nouveau_fence.h"
40
41#include <subdev/bios/gpio.h>
42#include <subdev/gpio.h>
43#include <engine/disp.h>
44
45#include <core/class.h>
46
47static void
48nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
49{
50 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
51
52 if (fb->nvbo)
53 drm_gem_object_unreference_unlocked(fb->nvbo->gem);
54
55 drm_framebuffer_cleanup(drm_fb);
56 kfree(fb);
57}
58
59static int
60nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
61 struct drm_file *file_priv,
62 unsigned int *handle)
63{
64 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
65
66 return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
67}
68
69static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
70 .destroy = nouveau_user_framebuffer_destroy,
71 .create_handle = nouveau_user_framebuffer_create_handle,
72};
73
74int
75nouveau_framebuffer_init(struct drm_device *dev,
76 struct nouveau_framebuffer *nv_fb,
77 struct drm_mode_fb_cmd2 *mode_cmd,
78 struct nouveau_bo *nvbo)
79{
80 struct nouveau_drm *drm = nouveau_drm(dev);
81 struct drm_framebuffer *fb = &nv_fb->base;
82 int ret;
83
84 drm_helper_mode_fill_fb_struct(fb, mode_cmd);
85 nv_fb->nvbo = nvbo;
86
87 if (nv_device(drm->device)->card_type >= NV_50) {
88 u32 tile_flags = nouveau_bo_tile_layout(nvbo);
89 if (tile_flags == 0x7a00 ||
90 tile_flags == 0xfe00)
91 nv_fb->r_dma = NvEvoFB32;
92 else
93 if (tile_flags == 0x7000)
94 nv_fb->r_dma = NvEvoFB16;
95 else
96 nv_fb->r_dma = NvEvoVRAM_LP;
97
98 switch (fb->depth) {
99 case 8: nv_fb->r_format = 0x1e00; break;
100 case 15: nv_fb->r_format = 0xe900; break;
101 case 16: nv_fb->r_format = 0xe800; break;
102 case 24:
103 case 32: nv_fb->r_format = 0xcf00; break;
104 case 30: nv_fb->r_format = 0xd100; break;
105 default:
106 NV_ERROR(drm, "unknown depth %d\n", fb->depth);
107 return -EINVAL;
108 }
109
110 if (nv_device(drm->device)->chipset == 0x50)
111 nv_fb->r_format |= (tile_flags << 8);
112
113 if (!tile_flags) {
114 if (nv_device(drm->device)->card_type < NV_D0)
115 nv_fb->r_pitch = 0x00100000 | fb->pitches[0];
116 else
117 nv_fb->r_pitch = 0x01000000 | fb->pitches[0];
118 } else {
119 u32 mode = nvbo->tile_mode;
120 if (nv_device(drm->device)->card_type >= NV_C0)
121 mode >>= 4;
122 nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode;
123 }
124 }
125
126 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
127 if (ret) {
128 return ret;
129 }
130
131 return 0;
132}
133
134static struct drm_framebuffer *
135nouveau_user_framebuffer_create(struct drm_device *dev,
136 struct drm_file *file_priv,
137 struct drm_mode_fb_cmd2 *mode_cmd)
138{
139 struct nouveau_framebuffer *nouveau_fb;
140 struct drm_gem_object *gem;
141 int ret = -ENOMEM;
142
143 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
144 if (!gem)
145 return ERR_PTR(-ENOENT);
146
147 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
148 if (!nouveau_fb)
149 goto err_unref;
150
151 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
152 if (ret)
153 goto err;
154
155 return &nouveau_fb->base;
156
157err:
158 kfree(nouveau_fb);
159err_unref:
160 drm_gem_object_unreference(gem);
161 return ERR_PTR(ret);
162}
163
164static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
165 .fb_create = nouveau_user_framebuffer_create,
166 .output_poll_changed = nouveau_fbcon_output_poll_changed,
167};
168
169
170struct nouveau_drm_prop_enum_list {
171 u8 gen_mask;
172 int type;
173 char *name;
174};
175
176static struct nouveau_drm_prop_enum_list underscan[] = {
177 { 6, UNDERSCAN_AUTO, "auto" },
178 { 6, UNDERSCAN_OFF, "off" },
179 { 6, UNDERSCAN_ON, "on" },
180 {}
181};
182
183static struct nouveau_drm_prop_enum_list dither_mode[] = {
184 { 7, DITHERING_MODE_AUTO, "auto" },
185 { 7, DITHERING_MODE_OFF, "off" },
186 { 1, DITHERING_MODE_ON, "on" },
187 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
188 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
189 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
190 {}
191};
192
193static struct nouveau_drm_prop_enum_list dither_depth[] = {
194 { 6, DITHERING_DEPTH_AUTO, "auto" },
195 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
196 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
197 {}
198};
199
200#define PROP_ENUM(p,gen,n,list) do { \
201 struct nouveau_drm_prop_enum_list *l = (list); \
202 int c = 0; \
203 while (l->gen_mask) { \
204 if (l->gen_mask & (1 << (gen))) \
205 c++; \
206 l++; \
207 } \
208 if (c) { \
209 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
210 l = (list); \
211 c = 0; \
212 while (p && l->gen_mask) { \
213 if (l->gen_mask & (1 << (gen))) { \
214 drm_property_add_enum(p, c, l->type, l->name); \
215 c++; \
216 } \
217 l++; \
218 } \
219 } \
220} while(0)
221
222int
223nouveau_display_init(struct drm_device *dev)
224{
225 struct nouveau_drm *drm = nouveau_drm(dev);
226 struct nouveau_display *disp = nouveau_display(dev);
227 struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
228 struct drm_connector *connector;
229 int ret;
230
231 ret = disp->init(dev);
232 if (ret)
233 return ret;
234
235
236 drm_kms_helper_poll_enable(dev);
237
238
239 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
240 struct nouveau_connector *conn = nouveau_connector(connector);
241 if (gpio && conn->hpd.func != DCB_GPIO_UNUSED) {
242 nouveau_event_get(gpio->events, conn->hpd.line,
243 &conn->hpd_func);
244 }
245 }
246
247 return ret;
248}
249
250void
251nouveau_display_fini(struct drm_device *dev)
252{
253 struct nouveau_drm *drm = nouveau_drm(dev);
254 struct nouveau_display *disp = nouveau_display(dev);
255 struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
256 struct drm_connector *connector;
257
258
259 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
260 struct nouveau_connector *conn = nouveau_connector(connector);
261 if (gpio && conn->hpd.func != DCB_GPIO_UNUSED) {
262 nouveau_event_put(gpio->events, conn->hpd.line,
263 &conn->hpd_func);
264 }
265 }
266
267 drm_kms_helper_poll_disable(dev);
268 disp->fini(dev);
269}
270
271int
272nouveau_display_create(struct drm_device *dev)
273{
274 struct nouveau_drm *drm = nouveau_drm(dev);
275 struct nouveau_display *disp;
276 u32 pclass = dev->pdev->class >> 8;
277 int ret, gen;
278
279 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
280 if (!disp)
281 return -ENOMEM;
282
283 drm_mode_config_init(dev);
284 drm_mode_create_scaling_mode_property(dev);
285 drm_mode_create_dvi_i_properties(dev);
286
287 if (nv_device(drm->device)->card_type < NV_50)
288 gen = 0;
289 else
290 if (nv_device(drm->device)->card_type < NV_D0)
291 gen = 1;
292 else
293 gen = 2;
294
295 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
296 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
297 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
298
299 disp->underscan_hborder_property =
300 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
301
302 disp->underscan_vborder_property =
303 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
304
305 if (gen >= 1) {
306
307 disp->vibrant_hue_property =
308 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
309
310
311 disp->color_vibrance_property =
312 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
313 }
314
315 dev->mode_config.funcs = &nouveau_mode_config_funcs;
316 dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1);
317
318 dev->mode_config.min_width = 0;
319 dev->mode_config.min_height = 0;
320 if (nv_device(drm->device)->card_type < NV_10) {
321 dev->mode_config.max_width = 2048;
322 dev->mode_config.max_height = 2048;
323 } else
324 if (nv_device(drm->device)->card_type < NV_50) {
325 dev->mode_config.max_width = 4096;
326 dev->mode_config.max_height = 4096;
327 } else {
328 dev->mode_config.max_width = 8192;
329 dev->mode_config.max_height = 8192;
330 }
331
332 dev->mode_config.preferred_depth = 24;
333 dev->mode_config.prefer_shadow = 1;
334
335 drm_kms_helper_poll_init(dev);
336 drm_kms_helper_poll_disable(dev);
337
338 if (nouveau_modeset == 1 ||
339 (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) {
340 if (drm->vbios.dcb.entries) {
341 if (nv_device(drm->device)->card_type < NV_50)
342 ret = nv04_display_create(dev);
343 else
344 ret = nv50_display_create(dev);
345 } else {
346 ret = 0;
347 }
348
349 if (ret)
350 goto disp_create_err;
351
352 if (dev->mode_config.num_crtc) {
353 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
354 if (ret)
355 goto vblank_err;
356 }
357
358 nouveau_backlight_init(dev);
359 }
360
361 return 0;
362
363vblank_err:
364 disp->dtor(dev);
365disp_create_err:
366 drm_kms_helper_poll_fini(dev);
367 drm_mode_config_cleanup(dev);
368 return ret;
369}
370
371void
372nouveau_display_destroy(struct drm_device *dev)
373{
374 struct nouveau_display *disp = nouveau_display(dev);
375
376 nouveau_backlight_exit(dev);
377 drm_vblank_cleanup(dev);
378
379 drm_kms_helper_poll_fini(dev);
380 drm_mode_config_cleanup(dev);
381
382 if (disp->dtor)
383 disp->dtor(dev);
384
385 nouveau_drm(dev)->display = NULL;
386 kfree(disp);
387}
388
389int
390nouveau_display_suspend(struct drm_device *dev)
391{
392 struct nouveau_drm *drm = nouveau_drm(dev);
393 struct drm_crtc *crtc;
394
395 nouveau_display_fini(dev);
396
397 NV_INFO(drm, "unpinning framebuffer(s)...\n");
398 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
399 struct nouveau_framebuffer *nouveau_fb;
400
401 nouveau_fb = nouveau_framebuffer(crtc->fb);
402 if (!nouveau_fb || !nouveau_fb->nvbo)
403 continue;
404
405 nouveau_bo_unpin(nouveau_fb->nvbo);
406 }
407
408 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
409 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
410
411 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
412 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
413 }
414
415 return 0;
416}
417
418void
419nouveau_display_resume(struct drm_device *dev)
420{
421 struct nouveau_drm *drm = nouveau_drm(dev);
422 struct drm_crtc *crtc;
423 int ret;
424
425 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
426 struct nouveau_framebuffer *nouveau_fb;
427
428 nouveau_fb = nouveau_framebuffer(crtc->fb);
429 if (!nouveau_fb || !nouveau_fb->nvbo)
430 continue;
431
432 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
433 }
434
435 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
436 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
437
438 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
439 if (!ret)
440 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
441 if (ret)
442 NV_ERROR(drm, "Could not pin/map cursor.\n");
443 }
444
445 nouveau_fbcon_set_suspend(dev, 0);
446 nouveau_fbcon_zfill_all(dev);
447
448 nouveau_display_init(dev);
449
450
451 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
452 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
453
454 nv_crtc->lut.depth = 0;
455 }
456
457 drm_helper_resume_force_mode(dev);
458
459 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
460 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
461 u32 offset = nv_crtc->cursor.nvbo->bo.offset;
462
463 nv_crtc->cursor.set_offset(nv_crtc, offset);
464 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
465 nv_crtc->cursor_saved_y);
466 }
467}
468
469static int
470nouveau_page_flip_emit(struct nouveau_channel *chan,
471 struct nouveau_bo *old_bo,
472 struct nouveau_bo *new_bo,
473 struct nouveau_page_flip_state *s,
474 struct nouveau_fence **pfence)
475{
476 struct nouveau_fence_chan *fctx = chan->fence;
477 struct nouveau_drm *drm = chan->drm;
478 struct drm_device *dev = drm->dev;
479 unsigned long flags;
480 int ret;
481
482
483 spin_lock_irqsave(&dev->event_lock, flags);
484 list_add_tail(&s->head, &fctx->flip);
485 spin_unlock_irqrestore(&dev->event_lock, flags);
486
487
488 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
489 if (ret)
490 goto fail;
491
492
493 ret = RING_SPACE(chan, 3);
494 if (ret)
495 goto fail;
496
497 if (nv_device(drm->device)->card_type < NV_C0) {
498 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
499 OUT_RING (chan, 0x00000000);
500 OUT_RING (chan, 0x00000000);
501 } else {
502 BEGIN_NVC0(chan, 0, NV10_SUBCHAN_REF_CNT, 1);
503 OUT_RING (chan, 0);
504 BEGIN_IMC0(chan, 0, NVSW_SUBCHAN_PAGE_FLIP, 0x0000);
505 }
506 FIRE_RING (chan);
507
508 ret = nouveau_fence_new(chan, false, pfence);
509 if (ret)
510 goto fail;
511
512 return 0;
513fail:
514 spin_lock_irqsave(&dev->event_lock, flags);
515 list_del(&s->head);
516 spin_unlock_irqrestore(&dev->event_lock, flags);
517 return ret;
518}
519
520int
521nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
522 struct drm_pending_vblank_event *event)
523{
524 struct drm_device *dev = crtc->dev;
525 struct nouveau_drm *drm = nouveau_drm(dev);
526 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
527 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
528 struct nouveau_page_flip_state *s;
529 struct nouveau_channel *chan = NULL;
530 struct nouveau_fence *fence;
531 struct ttm_validate_buffer resv[2] = {
532 { .bo = &old_bo->bo },
533 { .bo = &new_bo->bo },
534 };
535 struct ww_acquire_ctx ticket;
536 LIST_HEAD(res);
537 int ret;
538
539 if (!drm->channel)
540 return -ENODEV;
541
542 s = kzalloc(sizeof(*s), GFP_KERNEL);
543 if (!s)
544 return -ENOMEM;
545
546
547 spin_lock(&old_bo->bo.bdev->fence_lock);
548 fence = new_bo->bo.sync_obj;
549 if (fence)
550 chan = fence->channel;
551 if (!chan)
552 chan = drm->channel;
553 spin_unlock(&old_bo->bo.bdev->fence_lock);
554
555 if (new_bo != old_bo) {
556 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
557 if (ret)
558 goto fail_free;
559
560 list_add(&resv[1].head, &res);
561 }
562 list_add(&resv[0].head, &res);
563
564 mutex_lock(&chan->cli->mutex);
565 ret = ttm_eu_reserve_buffers(&ticket, &res);
566 if (ret)
567 goto fail_unpin;
568
569
570 *s = (struct nouveau_page_flip_state)
571 { { }, event, nouveau_crtc(crtc)->index,
572 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
573 new_bo->bo.offset };
574
575
576 if (nv_device(drm->device)->card_type >= NV_50) {
577 ret = nv50_display_flip_next(crtc, fb, chan, 0);
578 if (ret)
579 goto fail_unreserve;
580 } else {
581 struct nv04_display *dispnv04 = nv04_display(dev);
582 nouveau_bo_ref(new_bo, &dispnv04->image[nouveau_crtc(crtc)->index]);
583 }
584
585 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
586 mutex_unlock(&chan->cli->mutex);
587 if (ret)
588 goto fail_unreserve;
589
590
591 crtc->fb = fb;
592
593 ttm_eu_fence_buffer_objects(&ticket, &res, fence);
594 if (old_bo != new_bo)
595 nouveau_bo_unpin(old_bo);
596 nouveau_fence_unref(&fence);
597 return 0;
598
599fail_unreserve:
600 ttm_eu_backoff_reservation(&ticket, &res);
601fail_unpin:
602 mutex_unlock(&chan->cli->mutex);
603 if (old_bo != new_bo)
604 nouveau_bo_unpin(new_bo);
605fail_free:
606 kfree(s);
607 return ret;
608}
609
610int
611nouveau_finish_page_flip(struct nouveau_channel *chan,
612 struct nouveau_page_flip_state *ps)
613{
614 struct nouveau_fence_chan *fctx = chan->fence;
615 struct nouveau_drm *drm = chan->drm;
616 struct drm_device *dev = drm->dev;
617 struct nouveau_page_flip_state *s;
618 unsigned long flags;
619
620 spin_lock_irqsave(&dev->event_lock, flags);
621
622 if (list_empty(&fctx->flip)) {
623 NV_ERROR(drm, "unexpected pageflip\n");
624 spin_unlock_irqrestore(&dev->event_lock, flags);
625 return -EINVAL;
626 }
627
628 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
629 if (s->event)
630 drm_send_vblank_event(dev, -1, s->event);
631
632 list_del(&s->head);
633 if (ps)
634 *ps = *s;
635 kfree(s);
636
637 spin_unlock_irqrestore(&dev->event_lock, flags);
638 return 0;
639}
640
641int
642nouveau_flip_complete(void *data)
643{
644 struct nouveau_channel *chan = data;
645 struct nouveau_drm *drm = chan->drm;
646 struct nouveau_page_flip_state state;
647
648 if (!nouveau_finish_page_flip(chan, &state)) {
649 if (nv_device(drm->device)->card_type < NV_50) {
650 nv_set_crtc_base(drm->dev, state.crtc, state.offset +
651 state.y * state.pitch +
652 state.x * state.bpp / 8);
653 }
654 }
655
656 return 0;
657}
658
659int
660nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
661 struct drm_mode_create_dumb *args)
662{
663 struct nouveau_bo *bo;
664 int ret;
665
666 args->pitch = roundup(args->width * (args->bpp / 8), 256);
667 args->size = args->pitch * args->height;
668 args->size = roundup(args->size, PAGE_SIZE);
669
670 ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo);
671 if (ret)
672 return ret;
673
674 ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
675 drm_gem_object_unreference_unlocked(bo->gem);
676 return ret;
677}
678
679int
680nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
681 uint32_t handle)
682{
683 return drm_gem_handle_delete(file_priv, handle);
684}
685
686int
687nouveau_display_dumb_map_offset(struct drm_file *file_priv,
688 struct drm_device *dev,
689 uint32_t handle, uint64_t *poffset)
690{
691 struct drm_gem_object *gem;
692
693 gem = drm_gem_object_lookup(dev, file_priv, handle);
694 if (gem) {
695 struct nouveau_bo *bo = gem->driver_private;
696 *poffset = bo->bo.addr_space_offset;
697 drm_gem_object_unreference_unlocked(gem);
698 return 0;
699 }
700
701 return -ENOENT;
702}
703
