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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 <drm/drmP.h>
28#include <drm/drm_crtc_helper.h>
29
30#include <nvif/class.h>
31
32#include "nouveau_fbcon.h"
33#include "dispnv04/hw.h"
34#include "nouveau_crtc.h"
35#include "nouveau_dma.h"
36#include "nouveau_gem.h"
37#include "nouveau_connector.h"
38#include "nv50_display.h"
39
40#include "nouveau_fence.h"
41
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_handle_vblank(nv_crtc->base.dev, nv_crtc->index);
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 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
59 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
60 if (nv_crtc->index == pipe) {
61 nvif_notify_get(&nv_crtc->vblank);
62 return 0;
63 }
64 }
65 return -EINVAL;
66}
67
68void
69nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
70{
71 struct drm_crtc *crtc;
72 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
73 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
74 if (nv_crtc->index == pipe) {
75 nvif_notify_put(&nv_crtc->vblank);
76 return;
77 }
78 }
79}
80
81static inline int
82calc(int blanks, int blanke, int total, int line)
83{
84 if (blanke >= blanks) {
85 if (line >= blanks)
86 line -= total;
87 } else {
88 if (line >= blanks)
89 line -= total;
90 line -= blanke + 1;
91 }
92 return line;
93}
94
95int
96nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
97 ktime_t *stime, ktime_t *etime)
98{
99 struct {
100 struct nv04_disp_mthd_v0 base;
101 struct nv04_disp_scanoutpos_v0 scan;
102 } args = {
103 .base.method = NV04_DISP_SCANOUTPOS,
104 .base.head = nouveau_crtc(crtc)->index,
105 };
106 struct nouveau_display *disp = nouveau_display(crtc->dev);
107 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
108 int ret, retry = 1;
109
110 do {
111 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
112 if (ret != 0)
113 return 0;
114
115 if (args.scan.vline) {
116 ret |= DRM_SCANOUTPOS_ACCURATE;
117 ret |= DRM_SCANOUTPOS_VALID;
118 break;
119 }
120
121 if (retry) ndelay(vblank->linedur_ns);
122 } while (retry--);
123
124 *hpos = args.scan.hline;
125 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
126 args.scan.vtotal, args.scan.vline);
127 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
128 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
129
130 if (*vpos < 0)
131 ret |= DRM_SCANOUTPOS_IN_VBLANK;
132 return ret;
133}
134
135int
136nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
137 unsigned int flags, int *vpos, int *hpos,
138 ktime_t *stime, ktime_t *etime,
139 const struct drm_display_mode *mode)
140{
141 struct drm_crtc *crtc;
142
143 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
144 if (nouveau_crtc(crtc)->index == pipe) {
145 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
146 stime, etime);
147 }
148 }
149
150 return 0;
151}
152
153int
154nouveau_display_vblstamp(struct drm_device *dev, unsigned int pipe,
155 int *max_error, struct timeval *time, unsigned flags)
156{
157 struct drm_crtc *crtc;
158
159 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
160 if (nouveau_crtc(crtc)->index == pipe) {
161 return drm_calc_vbltimestamp_from_scanoutpos(dev,
162 pipe, max_error, time, flags,
163 &crtc->hwmode);
164 }
165 }
166
167 return -EINVAL;
168}
169
170static void
171nouveau_display_vblank_fini(struct drm_device *dev)
172{
173 struct drm_crtc *crtc;
174
175 drm_vblank_cleanup(dev);
176
177 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
178 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
179 nvif_notify_fini(&nv_crtc->vblank);
180 }
181}
182
183static int
184nouveau_display_vblank_init(struct drm_device *dev)
185{
186 struct nouveau_display *disp = nouveau_display(dev);
187 struct drm_crtc *crtc;
188 int ret;
189
190 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
191 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
192 ret = nvif_notify_init(&disp->disp,
193 nouveau_display_vblank_handler, false,
194 NV04_DISP_NTFY_VBLANK,
195 &(struct nvif_notify_head_req_v0) {
196 .head = nv_crtc->index,
197 },
198 sizeof(struct nvif_notify_head_req_v0),
199 sizeof(struct nvif_notify_head_rep_v0),
200 &nv_crtc->vblank);
201 if (ret) {
202 nouveau_display_vblank_fini(dev);
203 return ret;
204 }
205 }
206
207 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
208 if (ret) {
209 nouveau_display_vblank_fini(dev);
210 return ret;
211 }
212
213 return 0;
214}
215
216static void
217nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
218{
219 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
220 struct nouveau_display *disp = nouveau_display(drm_fb->dev);
221
222 if (disp->fb_dtor)
223 disp->fb_dtor(drm_fb);
224
225 if (fb->nvbo)
226 drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
227
228 drm_framebuffer_cleanup(drm_fb);
229 kfree(fb);
230}
231
232static int
233nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
234 struct drm_file *file_priv,
235 unsigned int *handle)
236{
237 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
238
239 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
240}
241
242static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
243 .destroy = nouveau_user_framebuffer_destroy,
244 .create_handle = nouveau_user_framebuffer_create_handle,
245};
246
247int
248nouveau_framebuffer_init(struct drm_device *dev,
249 struct nouveau_framebuffer *nv_fb,
250 const struct drm_mode_fb_cmd2 *mode_cmd,
251 struct nouveau_bo *nvbo)
252{
253 struct nouveau_display *disp = nouveau_display(dev);
254 struct drm_framebuffer *fb = &nv_fb->base;
255 int ret;
256
257 drm_helper_mode_fill_fb_struct(fb, mode_cmd);
258 nv_fb->nvbo = nvbo;
259
260 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
261 if (ret)
262 return ret;
263
264 if (disp->fb_ctor) {
265 ret = disp->fb_ctor(fb);
266 if (ret)
267 disp->fb_dtor(fb);
268 }
269
270 return ret;
271}
272
273static struct drm_framebuffer *
274nouveau_user_framebuffer_create(struct drm_device *dev,
275 struct drm_file *file_priv,
276 const struct drm_mode_fb_cmd2 *mode_cmd)
277{
278 struct nouveau_framebuffer *nouveau_fb;
279 struct drm_gem_object *gem;
280 int ret = -ENOMEM;
281
282 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
283 if (!gem)
284 return ERR_PTR(-ENOENT);
285
286 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
287 if (!nouveau_fb)
288 goto err_unref;
289
290 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
291 if (ret)
292 goto err;
293
294 return &nouveau_fb->base;
295
296err:
297 kfree(nouveau_fb);
298err_unref:
299 drm_gem_object_unreference(gem);
300 return ERR_PTR(ret);
301}
302
303static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
304 .fb_create = nouveau_user_framebuffer_create,
305 .output_poll_changed = nouveau_fbcon_output_poll_changed,
306};
307
308
309struct nouveau_drm_prop_enum_list {
310 u8 gen_mask;
311 int type;
312 char *name;
313};
314
315static struct nouveau_drm_prop_enum_list underscan[] = {
316 { 6, UNDERSCAN_AUTO, "auto" },
317 { 6, UNDERSCAN_OFF, "off" },
318 { 6, UNDERSCAN_ON, "on" },
319 {}
320};
321
322static struct nouveau_drm_prop_enum_list dither_mode[] = {
323 { 7, DITHERING_MODE_AUTO, "auto" },
324 { 7, DITHERING_MODE_OFF, "off" },
325 { 1, DITHERING_MODE_ON, "on" },
326 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
327 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
328 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
329 {}
330};
331
332static struct nouveau_drm_prop_enum_list dither_depth[] = {
333 { 6, DITHERING_DEPTH_AUTO, "auto" },
334 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
335 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
336 {}
337};
338
339#define PROP_ENUM(p,gen,n,list) do { \
340 struct nouveau_drm_prop_enum_list *l = (list); \
341 int c = 0; \
342 while (l->gen_mask) { \
343 if (l->gen_mask & (1 << (gen))) \
344 c++; \
345 l++; \
346 } \
347 if (c) { \
348 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
349 l = (list); \
350 c = 0; \
351 while (p && l->gen_mask) { \
352 if (l->gen_mask & (1 << (gen))) { \
353 drm_property_add_enum(p, c, l->type, l->name); \
354 c++; \
355 } \
356 l++; \
357 } \
358 } \
359} while(0)
360
361int
362nouveau_display_init(struct drm_device *dev)
363{
364 struct nouveau_display *disp = nouveau_display(dev);
365 struct nouveau_drm *drm = nouveau_drm(dev);
366 struct drm_connector *connector;
367 int ret;
368
369 ret = disp->init(dev);
370 if (ret)
371 return ret;
372
373 /* enable polling for external displays */
374 drm_kms_helper_poll_enable(dev);
375
376 /* enable hotplug interrupts */
377 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
378 struct nouveau_connector *conn = nouveau_connector(connector);
379 nvif_notify_get(&conn->hpd);
380 }
381
382 /* enable flip completion events */
383 nvif_notify_get(&drm->flip);
384 return ret;
385}
386
387void
388nouveau_display_fini(struct drm_device *dev)
389{
390 struct nouveau_display *disp = nouveau_display(dev);
391 struct nouveau_drm *drm = nouveau_drm(dev);
392 struct drm_connector *connector;
393 int head;
394
395 /* Make sure that drm and hw vblank irqs get properly disabled. */
396 for (head = 0; head < dev->mode_config.num_crtc; head++)
397 drm_vblank_off(dev, head);
398
399 /* disable flip completion events */
400 nvif_notify_put(&drm->flip);
401
402 /* disable hotplug interrupts */
403 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
404 struct nouveau_connector *conn = nouveau_connector(connector);
405 nvif_notify_put(&conn->hpd);
406 }
407
408 drm_kms_helper_poll_disable(dev);
409 disp->fini(dev);
410}
411
412static void
413nouveau_display_create_properties(struct drm_device *dev)
414{
415 struct nouveau_display *disp = nouveau_display(dev);
416 int gen;
417
418 if (disp->disp.oclass < NV50_DISP)
419 gen = 0;
420 else
421 if (disp->disp.oclass < GF110_DISP)
422 gen = 1;
423 else
424 gen = 2;
425
426 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
427 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
428 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
429
430 disp->underscan_hborder_property =
431 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
432
433 disp->underscan_vborder_property =
434 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
435
436 if (gen < 1)
437 return;
438
439 /* -90..+90 */
440 disp->vibrant_hue_property =
441 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
442
443 /* -100..+100 */
444 disp->color_vibrance_property =
445 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
446}
447
448int
449nouveau_display_create(struct drm_device *dev)
450{
451 struct nouveau_drm *drm = nouveau_drm(dev);
452 struct nvkm_device *device = nvxx_device(&drm->device);
453 struct nouveau_display *disp;
454 int ret;
455
456 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
457 if (!disp)
458 return -ENOMEM;
459
460 drm_mode_config_init(dev);
461 drm_mode_create_scaling_mode_property(dev);
462 drm_mode_create_dvi_i_properties(dev);
463
464 dev->mode_config.funcs = &nouveau_mode_config_funcs;
465 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
466
467 dev->mode_config.min_width = 0;
468 dev->mode_config.min_height = 0;
469 if (drm->device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
470 dev->mode_config.max_width = 2048;
471 dev->mode_config.max_height = 2048;
472 } else
473 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
474 dev->mode_config.max_width = 4096;
475 dev->mode_config.max_height = 4096;
476 } else
477 if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI) {
478 dev->mode_config.max_width = 8192;
479 dev->mode_config.max_height = 8192;
480 } else {
481 dev->mode_config.max_width = 16384;
482 dev->mode_config.max_height = 16384;
483 }
484
485 dev->mode_config.preferred_depth = 24;
486 dev->mode_config.prefer_shadow = 1;
487
488 if (drm->device.info.chipset < 0x11)
489 dev->mode_config.async_page_flip = false;
490 else
491 dev->mode_config.async_page_flip = true;
492
493 drm_kms_helper_poll_init(dev);
494 drm_kms_helper_poll_disable(dev);
495
496 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
497 static const u16 oclass[] = {
498 GM200_DISP,
499 GM107_DISP,
500 GK110_DISP,
501 GK104_DISP,
502 GF110_DISP,
503 GT214_DISP,
504 GT206_DISP,
505 GT200_DISP,
506 G82_DISP,
507 NV50_DISP,
508 NV04_DISP,
509 };
510 int i;
511
512 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
513 ret = nvif_object_init(&drm->device.object, 0,
514 oclass[i], NULL, 0, &disp->disp);
515 }
516
517 if (ret == 0) {
518 nouveau_display_create_properties(dev);
519 if (disp->disp.oclass < NV50_DISP)
520 ret = nv04_display_create(dev);
521 else
522 ret = nv50_display_create(dev);
523 }
524 } else {
525 ret = 0;
526 }
527
528 if (ret)
529 goto disp_create_err;
530
531 if (dev->mode_config.num_crtc) {
532 ret = nouveau_display_vblank_init(dev);
533 if (ret)
534 goto vblank_err;
535 }
536
537 nouveau_backlight_init(dev);
538 return 0;
539
540vblank_err:
541 disp->dtor(dev);
542disp_create_err:
543 drm_kms_helper_poll_fini(dev);
544 drm_mode_config_cleanup(dev);
545 return ret;
546}
547
548void
549nouveau_display_destroy(struct drm_device *dev)
550{
551 struct nouveau_display *disp = nouveau_display(dev);
552
553 nouveau_backlight_exit(dev);
554 nouveau_display_vblank_fini(dev);
555
556 drm_kms_helper_poll_fini(dev);
557 drm_mode_config_cleanup(dev);
558
559 if (disp->dtor)
560 disp->dtor(dev);
561
562 nvif_object_fini(&disp->disp);
563
564 nouveau_drm(dev)->display = NULL;
565 kfree(disp);
566}
567
568int
569nouveau_display_suspend(struct drm_device *dev, bool runtime)
570{
571 struct drm_crtc *crtc;
572
573 nouveau_display_fini(dev);
574
575 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
576 struct nouveau_framebuffer *nouveau_fb;
577
578 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
579 if (!nouveau_fb || !nouveau_fb->nvbo)
580 continue;
581
582 nouveau_bo_unpin(nouveau_fb->nvbo);
583 }
584
585 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
586 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
587 if (nv_crtc->cursor.nvbo) {
588 if (nv_crtc->cursor.set_offset)
589 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
590 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
591 }
592 }
593
594 return 0;
595}
596
597void
598nouveau_display_resume(struct drm_device *dev, bool runtime)
599{
600 struct nouveau_drm *drm = nouveau_drm(dev);
601 struct drm_crtc *crtc;
602 int ret, head;
603
604 /* re-pin fb/cursors */
605 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
606 struct nouveau_framebuffer *nouveau_fb;
607
608 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
609 if (!nouveau_fb || !nouveau_fb->nvbo)
610 continue;
611
612 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
613 if (ret)
614 NV_ERROR(drm, "Could not pin framebuffer\n");
615 }
616
617 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
618 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
619 if (!nv_crtc->cursor.nvbo)
620 continue;
621
622 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
623 if (!ret && nv_crtc->cursor.set_offset)
624 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
625 if (ret)
626 NV_ERROR(drm, "Could not pin/map cursor.\n");
627 }
628
629 nouveau_display_init(dev);
630
631 /* Force CLUT to get re-loaded during modeset */
632 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
633 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
634
635 nv_crtc->lut.depth = 0;
636 }
637
638 /* This should ensure we don't hit a locking problem when someone
639 * wakes us up via a connector. We should never go into suspend
640 * while the display is on anyways.
641 */
642 if (runtime)
643 return;
644
645 drm_helper_resume_force_mode(dev);
646
647 /* Make sure that drm and hw vblank irqs get resumed if needed. */
648 for (head = 0; head < dev->mode_config.num_crtc; head++)
649 drm_vblank_on(dev, head);
650
651 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
652 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
653
654 if (!nv_crtc->cursor.nvbo)
655 continue;
656
657 if (nv_crtc->cursor.set_offset)
658 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
659 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
660 nv_crtc->cursor_saved_y);
661 }
662}
663
664static int
665nouveau_page_flip_emit(struct nouveau_channel *chan,
666 struct nouveau_bo *old_bo,
667 struct nouveau_bo *new_bo,
668 struct nouveau_page_flip_state *s,
669 struct nouveau_fence **pfence)
670{
671 struct nouveau_fence_chan *fctx = chan->fence;
672 struct nouveau_drm *drm = chan->drm;
673 struct drm_device *dev = drm->dev;
674 unsigned long flags;
675 int ret;
676
677 /* Queue it to the pending list */
678 spin_lock_irqsave(&dev->event_lock, flags);
679 list_add_tail(&s->head, &fctx->flip);
680 spin_unlock_irqrestore(&dev->event_lock, flags);
681
682 /* Synchronize with the old framebuffer */
683 ret = nouveau_fence_sync(old_bo, chan, false, false);
684 if (ret)
685 goto fail;
686
687 /* Emit the pageflip */
688 ret = RING_SPACE(chan, 2);
689 if (ret)
690 goto fail;
691
692 if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI)
693 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
694 else
695 BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1);
696 OUT_RING (chan, 0x00000000);
697 FIRE_RING (chan);
698
699 ret = nouveau_fence_new(chan, false, pfence);
700 if (ret)
701 goto fail;
702
703 return 0;
704fail:
705 spin_lock_irqsave(&dev->event_lock, flags);
706 list_del(&s->head);
707 spin_unlock_irqrestore(&dev->event_lock, flags);
708 return ret;
709}
710
711int
712nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
713 struct drm_pending_vblank_event *event, u32 flags)
714{
715 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
716 struct drm_device *dev = crtc->dev;
717 struct nouveau_drm *drm = nouveau_drm(dev);
718 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
719 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
720 struct nouveau_page_flip_state *s;
721 struct nouveau_channel *chan;
722 struct nouveau_cli *cli;
723 struct nouveau_fence *fence;
724 int ret;
725
726 chan = drm->channel;
727 if (!chan)
728 return -ENODEV;
729 cli = (void *)chan->user.client;
730
731 s = kzalloc(sizeof(*s), GFP_KERNEL);
732 if (!s)
733 return -ENOMEM;
734
735 if (new_bo != old_bo) {
736 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
737 if (ret)
738 goto fail_free;
739 }
740
741 mutex_lock(&cli->mutex);
742 ret = ttm_bo_reserve(&new_bo->bo, true, false, false, NULL);
743 if (ret)
744 goto fail_unpin;
745
746 /* synchronise rendering channel with the kernel's channel */
747 ret = nouveau_fence_sync(new_bo, chan, false, true);
748 if (ret) {
749 ttm_bo_unreserve(&new_bo->bo);
750 goto fail_unpin;
751 }
752
753 if (new_bo != old_bo) {
754 ttm_bo_unreserve(&new_bo->bo);
755
756 ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL);
757 if (ret)
758 goto fail_unpin;
759 }
760
761 /* Initialize a page flip struct */
762 *s = (struct nouveau_page_flip_state)
763 { { }, event, nouveau_crtc(crtc)->index,
764 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
765 new_bo->bo.offset };
766
767 /* Keep vblanks on during flip, for the target crtc of this flip */
768 drm_vblank_get(dev, nouveau_crtc(crtc)->index);
769
770 /* Emit a page flip */
771 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
772 ret = nv50_display_flip_next(crtc, fb, chan, swap_interval);
773 if (ret)
774 goto fail_unreserve;
775 } else {
776 struct nv04_display *dispnv04 = nv04_display(dev);
777 int head = nouveau_crtc(crtc)->index;
778
779 if (swap_interval) {
780 ret = RING_SPACE(chan, 8);
781 if (ret)
782 goto fail_unreserve;
783
784 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
785 OUT_RING (chan, 0);
786 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
787 OUT_RING (chan, head);
788 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
789 OUT_RING (chan, 0);
790 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
791 OUT_RING (chan, 0);
792 }
793
794 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
795 }
796
797 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
798 if (ret)
799 goto fail_unreserve;
800 mutex_unlock(&cli->mutex);
801
802 /* Update the crtc struct and cleanup */
803 crtc->primary->fb = fb;
804
805 nouveau_bo_fence(old_bo, fence, false);
806 ttm_bo_unreserve(&old_bo->bo);
807 if (old_bo != new_bo)
808 nouveau_bo_unpin(old_bo);
809 nouveau_fence_unref(&fence);
810 return 0;
811
812fail_unreserve:
813 drm_vblank_put(dev, nouveau_crtc(crtc)->index);
814 ttm_bo_unreserve(&old_bo->bo);
815fail_unpin:
816 mutex_unlock(&cli->mutex);
817 if (old_bo != new_bo)
818 nouveau_bo_unpin(new_bo);
819fail_free:
820 kfree(s);
821 return ret;
822}
823
824int
825nouveau_finish_page_flip(struct nouveau_channel *chan,
826 struct nouveau_page_flip_state *ps)
827{
828 struct nouveau_fence_chan *fctx = chan->fence;
829 struct nouveau_drm *drm = chan->drm;
830 struct drm_device *dev = drm->dev;
831 struct nouveau_page_flip_state *s;
832 unsigned long flags;
833
834 spin_lock_irqsave(&dev->event_lock, flags);
835
836 if (list_empty(&fctx->flip)) {
837 NV_ERROR(drm, "unexpected pageflip\n");
838 spin_unlock_irqrestore(&dev->event_lock, flags);
839 return -EINVAL;
840 }
841
842 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
843 if (s->event) {
844 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
845 drm_arm_vblank_event(dev, s->crtc, s->event);
846 } else {
847 drm_send_vblank_event(dev, s->crtc, s->event);
848
849 /* Give up ownership of vblank for page-flipped crtc */
850 drm_vblank_put(dev, s->crtc);
851 }
852 }
853 else {
854 /* Give up ownership of vblank for page-flipped crtc */
855 drm_vblank_put(dev, s->crtc);
856 }
857
858 list_del(&s->head);
859 if (ps)
860 *ps = *s;
861 kfree(s);
862
863 spin_unlock_irqrestore(&dev->event_lock, flags);
864 return 0;
865}
866
867int
868nouveau_flip_complete(struct nvif_notify *notify)
869{
870 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
871 struct nouveau_channel *chan = drm->channel;
872 struct nouveau_page_flip_state state;
873
874 if (!nouveau_finish_page_flip(chan, &state)) {
875 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
876 nv_set_crtc_base(drm->dev, state.crtc, state.offset +
877 state.y * state.pitch +
878 state.x * state.bpp / 8);
879 }
880 }
881
882 return NVIF_NOTIFY_KEEP;
883}
884
885int
886nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
887 struct drm_mode_create_dumb *args)
888{
889 struct nouveau_bo *bo;
890 uint32_t domain;
891 int ret;
892
893 args->pitch = roundup(args->width * (args->bpp / 8), 256);
894 args->size = args->pitch * args->height;
895 args->size = roundup(args->size, PAGE_SIZE);
896
897 /* Use VRAM if there is any ; otherwise fallback to system memory */
898 if (nouveau_drm(dev)->device.info.ram_size != 0)
899 domain = NOUVEAU_GEM_DOMAIN_VRAM;
900 else
901 domain = NOUVEAU_GEM_DOMAIN_GART;
902
903 ret = nouveau_gem_new(dev, args->size, 0, domain, 0, 0, &bo);
904 if (ret)
905 return ret;
906
907 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
908 drm_gem_object_unreference_unlocked(&bo->gem);
909 return ret;
910}
911
912int
913nouveau_display_dumb_map_offset(struct drm_file *file_priv,
914 struct drm_device *dev,
915 uint32_t handle, uint64_t *poffset)
916{
917 struct drm_gem_object *gem;
918
919 gem = drm_gem_object_lookup(dev, file_priv, handle);
920 if (gem) {
921 struct nouveau_bo *bo = nouveau_gem_object(gem);
922 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
923 drm_gem_object_unreference_unlocked(gem);
924 return 0;
925 }
926
927 return -ENOENT;
928}
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
48static int
49nouveau_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
57int
58nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
59{
60 struct drm_crtc *crtc;
61 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
62 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
63 if (nv_crtc->index == pipe) {
64 nvif_notify_get(&nv_crtc->vblank);
65 return 0;
66 }
67 }
68 return -EINVAL;
69}
70
71void
72nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
73{
74 struct drm_crtc *crtc;
75 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
76 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
77 if (nv_crtc->index == pipe) {
78 nvif_notify_put(&nv_crtc->vblank);
79 return;
80 }
81 }
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 int
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 ret, retry = 1;
112
113 do {
114 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
115 if (ret != 0)
116 return 0;
117
118 if (args.scan.vline) {
119 ret |= DRM_SCANOUTPOS_ACCURATE;
120 ret |= DRM_SCANOUTPOS_VALID;
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 if (*vpos < 0)
134 ret |= DRM_SCANOUTPOS_IN_VBLANK;
135 return ret;
136}
137
138int
139nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
140 unsigned int flags, 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 0;
154}
155
156int
157nouveau_display_vblstamp(struct drm_device *dev, unsigned int pipe,
158 int *max_error, struct timeval *time, unsigned flags)
159{
160 struct drm_crtc *crtc;
161
162 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
163 if (nouveau_crtc(crtc)->index == pipe) {
164 struct drm_display_mode *mode;
165 if (dev->mode_config.funcs->atomic_commit)
166 mode = &crtc->state->adjusted_mode;
167 else
168 mode = &crtc->hwmode;
169 return drm_calc_vbltimestamp_from_scanoutpos(dev,
170 pipe, max_error, time, flags, mode);
171 }
172 }
173
174 return -EINVAL;
175}
176
177static void
178nouveau_display_vblank_fini(struct drm_device *dev)
179{
180 struct drm_crtc *crtc;
181
182 drm_vblank_cleanup(dev);
183
184 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
185 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
186 nvif_notify_fini(&nv_crtc->vblank);
187 }
188}
189
190static int
191nouveau_display_vblank_init(struct drm_device *dev)
192{
193 struct nouveau_display *disp = nouveau_display(dev);
194 struct drm_crtc *crtc;
195 int ret;
196
197 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
198 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
199 ret = nvif_notify_init(&disp->disp,
200 nouveau_display_vblank_handler, false,
201 NV04_DISP_NTFY_VBLANK,
202 &(struct nvif_notify_head_req_v0) {
203 .head = nv_crtc->index,
204 },
205 sizeof(struct nvif_notify_head_req_v0),
206 sizeof(struct nvif_notify_head_rep_v0),
207 &nv_crtc->vblank);
208 if (ret) {
209 nouveau_display_vblank_fini(dev);
210 return ret;
211 }
212 }
213
214 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
215 if (ret) {
216 nouveau_display_vblank_fini(dev);
217 return ret;
218 }
219
220 return 0;
221}
222
223static void
224nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
225{
226 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
227
228 if (fb->nvbo)
229 drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
230
231 drm_framebuffer_cleanup(drm_fb);
232 kfree(fb);
233}
234
235static int
236nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
237 struct drm_file *file_priv,
238 unsigned int *handle)
239{
240 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
241
242 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
243}
244
245static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
246 .destroy = nouveau_user_framebuffer_destroy,
247 .create_handle = nouveau_user_framebuffer_create_handle,
248};
249
250int
251nouveau_framebuffer_new(struct drm_device *dev,
252 const struct drm_mode_fb_cmd2 *mode_cmd,
253 struct nouveau_bo *nvbo,
254 struct nouveau_framebuffer **pfb)
255{
256 struct nouveau_framebuffer *fb;
257 int ret;
258
259 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
260 return -ENOMEM;
261
262 drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
263 fb->nvbo = nvbo;
264
265 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
266 if (ret)
267 kfree(fb);
268 return ret;
269}
270
271struct drm_framebuffer *
272nouveau_user_framebuffer_create(struct drm_device *dev,
273 struct drm_file *file_priv,
274 const struct drm_mode_fb_cmd2 *mode_cmd)
275{
276 struct nouveau_framebuffer *fb;
277 struct nouveau_bo *nvbo;
278 struct drm_gem_object *gem;
279 int ret;
280
281 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
282 if (!gem)
283 return ERR_PTR(-ENOENT);
284 nvbo = nouveau_gem_object(gem);
285
286 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
287 if (ret == 0)
288 return &fb->base;
289
290 drm_gem_object_unreference_unlocked(gem);
291 return ERR_PTR(ret);
292}
293
294static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
295 .fb_create = nouveau_user_framebuffer_create,
296 .output_poll_changed = nouveau_fbcon_output_poll_changed,
297};
298
299
300struct nouveau_drm_prop_enum_list {
301 u8 gen_mask;
302 int type;
303 char *name;
304};
305
306static struct nouveau_drm_prop_enum_list underscan[] = {
307 { 6, UNDERSCAN_AUTO, "auto" },
308 { 6, UNDERSCAN_OFF, "off" },
309 { 6, UNDERSCAN_ON, "on" },
310 {}
311};
312
313static struct nouveau_drm_prop_enum_list dither_mode[] = {
314 { 7, DITHERING_MODE_AUTO, "auto" },
315 { 7, DITHERING_MODE_OFF, "off" },
316 { 1, DITHERING_MODE_ON, "on" },
317 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
318 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
319 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
320 {}
321};
322
323static struct nouveau_drm_prop_enum_list dither_depth[] = {
324 { 6, DITHERING_DEPTH_AUTO, "auto" },
325 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
326 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
327 {}
328};
329
330#define PROP_ENUM(p,gen,n,list) do { \
331 struct nouveau_drm_prop_enum_list *l = (list); \
332 int c = 0; \
333 while (l->gen_mask) { \
334 if (l->gen_mask & (1 << (gen))) \
335 c++; \
336 l++; \
337 } \
338 if (c) { \
339 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
340 l = (list); \
341 c = 0; \
342 while (p && l->gen_mask) { \
343 if (l->gen_mask & (1 << (gen))) { \
344 drm_property_add_enum(p, c, l->type, l->name); \
345 c++; \
346 } \
347 l++; \
348 } \
349 } \
350} while(0)
351
352static void
353nouveau_display_hpd_work(struct work_struct *work)
354{
355 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
356
357 pm_runtime_get_sync(drm->dev->dev);
358
359 drm_helper_hpd_irq_event(drm->dev);
360
361 pm_runtime_mark_last_busy(drm->dev->dev);
362 pm_runtime_put_sync(drm->dev->dev);
363}
364
365#ifdef CONFIG_ACPI
366
367/*
368 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch
369 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c .
370 * This should be dropped once that is merged.
371 */
372#ifndef ACPI_VIDEO_NOTIFY_PROBE
373#define ACPI_VIDEO_NOTIFY_PROBE 0x81
374#endif
375
376static int
377nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
378 void *data)
379{
380 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
381 struct acpi_bus_event *info = data;
382
383 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
384 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
385 /*
386 * This may be the only indication we receive of a
387 * connector hotplug on a runtime suspended GPU,
388 * schedule hpd_work to check.
389 */
390 schedule_work(&drm->hpd_work);
391
392 /* acpi-video should not generate keypresses for this */
393 return NOTIFY_BAD;
394 }
395 }
396
397 return NOTIFY_DONE;
398}
399#endif
400
401int
402nouveau_display_init(struct drm_device *dev)
403{
404 struct nouveau_display *disp = nouveau_display(dev);
405 struct nouveau_drm *drm = nouveau_drm(dev);
406 struct drm_connector *connector;
407 int ret;
408
409 ret = disp->init(dev);
410 if (ret)
411 return ret;
412
413 /* enable polling for external displays */
414 if (!dev->mode_config.poll_enabled)
415 drm_kms_helper_poll_enable(dev);
416
417 /* enable hotplug interrupts */
418 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
419 struct nouveau_connector *conn = nouveau_connector(connector);
420 nvif_notify_get(&conn->hpd);
421 }
422
423 /* enable flip completion events */
424 nvif_notify_get(&drm->flip);
425 return ret;
426}
427
428void
429nouveau_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_crtc *crtc;
435
436 if (!suspend)
437 drm_crtc_force_disable_all(dev);
438
439 /* Make sure that drm and hw vblank irqs get properly disabled. */
440 drm_for_each_crtc(crtc, dev)
441 drm_crtc_vblank_off(crtc);
442
443 /* disable flip completion events */
444 nvif_notify_put(&drm->flip);
445
446 /* disable hotplug interrupts */
447 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
448 struct nouveau_connector *conn = nouveau_connector(connector);
449 nvif_notify_put(&conn->hpd);
450 }
451
452 drm_kms_helper_poll_disable(dev);
453 disp->fini(dev);
454}
455
456static void
457nouveau_display_create_properties(struct drm_device *dev)
458{
459 struct nouveau_display *disp = nouveau_display(dev);
460 int gen;
461
462 if (disp->disp.oclass < NV50_DISP)
463 gen = 0;
464 else
465 if (disp->disp.oclass < GF110_DISP)
466 gen = 1;
467 else
468 gen = 2;
469
470 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
471 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
472 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
473
474 disp->underscan_hborder_property =
475 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
476
477 disp->underscan_vborder_property =
478 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
479
480 if (gen < 1)
481 return;
482
483 /* -90..+90 */
484 disp->vibrant_hue_property =
485 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
486
487 /* -100..+100 */
488 disp->color_vibrance_property =
489 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
490}
491
492int
493nouveau_display_create(struct drm_device *dev)
494{
495 struct nouveau_drm *drm = nouveau_drm(dev);
496 struct nvkm_device *device = nvxx_device(&drm->device);
497 struct nouveau_display *disp;
498 int ret;
499
500 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
501 if (!disp)
502 return -ENOMEM;
503
504 drm_mode_config_init(dev);
505 drm_mode_create_scaling_mode_property(dev);
506 drm_mode_create_dvi_i_properties(dev);
507
508 dev->mode_config.funcs = &nouveau_mode_config_funcs;
509 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
510
511 dev->mode_config.min_width = 0;
512 dev->mode_config.min_height = 0;
513 if (drm->device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
514 dev->mode_config.max_width = 2048;
515 dev->mode_config.max_height = 2048;
516 } else
517 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
518 dev->mode_config.max_width = 4096;
519 dev->mode_config.max_height = 4096;
520 } else
521 if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI) {
522 dev->mode_config.max_width = 8192;
523 dev->mode_config.max_height = 8192;
524 } else {
525 dev->mode_config.max_width = 16384;
526 dev->mode_config.max_height = 16384;
527 }
528
529 dev->mode_config.preferred_depth = 24;
530 dev->mode_config.prefer_shadow = 1;
531
532 if (drm->device.info.chipset < 0x11)
533 dev->mode_config.async_page_flip = false;
534 else
535 dev->mode_config.async_page_flip = true;
536
537 drm_kms_helper_poll_init(dev);
538 drm_kms_helper_poll_disable(dev);
539
540 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
541 static const u16 oclass[] = {
542 GP102_DISP,
543 GP100_DISP,
544 GM200_DISP,
545 GM107_DISP,
546 GK110_DISP,
547 GK104_DISP,
548 GF110_DISP,
549 GT214_DISP,
550 GT206_DISP,
551 GT200_DISP,
552 G82_DISP,
553 NV50_DISP,
554 NV04_DISP,
555 };
556 int i;
557
558 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
559 ret = nvif_object_init(&drm->device.object, 0,
560 oclass[i], NULL, 0, &disp->disp);
561 }
562
563 if (ret == 0) {
564 nouveau_display_create_properties(dev);
565 if (disp->disp.oclass < NV50_DISP)
566 ret = nv04_display_create(dev);
567 else
568 ret = nv50_display_create(dev);
569 }
570 } else {
571 ret = 0;
572 }
573
574 if (ret)
575 goto disp_create_err;
576
577 drm_mode_config_reset(dev);
578
579 if (dev->mode_config.num_crtc) {
580 ret = nouveau_display_vblank_init(dev);
581 if (ret)
582 goto vblank_err;
583 }
584
585 nouveau_backlight_init(dev);
586 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
587#ifdef CONFIG_ACPI
588 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
589 register_acpi_notifier(&drm->acpi_nb);
590#endif
591
592 return 0;
593
594vblank_err:
595 disp->dtor(dev);
596disp_create_err:
597 drm_kms_helper_poll_fini(dev);
598 drm_mode_config_cleanup(dev);
599 return ret;
600}
601
602void
603nouveau_display_destroy(struct drm_device *dev)
604{
605 struct nouveau_display *disp = nouveau_display(dev);
606
607#ifdef CONFIG_ACPI
608 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
609#endif
610 nouveau_backlight_exit(dev);
611 nouveau_display_vblank_fini(dev);
612
613 drm_kms_helper_poll_fini(dev);
614 drm_mode_config_cleanup(dev);
615
616 if (disp->dtor)
617 disp->dtor(dev);
618
619 nvif_object_fini(&disp->disp);
620
621 nouveau_drm(dev)->display = NULL;
622 kfree(disp);
623}
624
625static int
626nouveau_atomic_disable_connector(struct drm_atomic_state *state,
627 struct drm_connector *connector)
628{
629 struct drm_connector_state *connector_state;
630 struct drm_crtc *crtc;
631 struct drm_crtc_state *crtc_state;
632 struct drm_plane_state *plane_state;
633 struct drm_plane *plane;
634 int ret;
635
636 if (!(crtc = connector->state->crtc))
637 return 0;
638
639 connector_state = drm_atomic_get_connector_state(state, connector);
640 if (IS_ERR(connector_state))
641 return PTR_ERR(connector_state);
642
643 ret = drm_atomic_set_crtc_for_connector(connector_state, NULL);
644 if (ret)
645 return ret;
646
647 crtc_state = drm_atomic_get_crtc_state(state, crtc);
648 if (IS_ERR(crtc_state))
649 return PTR_ERR(crtc_state);
650
651 ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);
652 if (ret)
653 return ret;
654
655 crtc_state->active = false;
656
657 drm_for_each_plane_mask(plane, connector->dev, crtc_state->plane_mask) {
658 plane_state = drm_atomic_get_plane_state(state, plane);
659 if (IS_ERR(plane_state))
660 return PTR_ERR(plane_state);
661
662 ret = drm_atomic_set_crtc_for_plane(plane_state, NULL);
663 if (ret)
664 return ret;
665
666 drm_atomic_set_fb_for_plane(plane_state, NULL);
667 }
668
669 return 0;
670}
671
672static int
673nouveau_atomic_disable(struct drm_device *dev,
674 struct drm_modeset_acquire_ctx *ctx)
675{
676 struct drm_atomic_state *state;
677 struct drm_connector *connector;
678 int ret;
679
680 state = drm_atomic_state_alloc(dev);
681 if (!state)
682 return -ENOMEM;
683
684 state->acquire_ctx = ctx;
685
686 drm_for_each_connector(connector, dev) {
687 ret = nouveau_atomic_disable_connector(state, connector);
688 if (ret)
689 break;
690 }
691
692 if (ret == 0)
693 ret = drm_atomic_commit(state);
694 drm_atomic_state_put(state);
695 return ret;
696}
697
698static struct drm_atomic_state *
699nouveau_atomic_suspend(struct drm_device *dev)
700{
701 struct drm_modeset_acquire_ctx ctx;
702 struct drm_atomic_state *state;
703 int ret;
704
705 drm_modeset_acquire_init(&ctx, 0);
706
707retry:
708 ret = drm_modeset_lock_all_ctx(dev, &ctx);
709 if (ret < 0) {
710 state = ERR_PTR(ret);
711 goto unlock;
712 }
713
714 state = drm_atomic_helper_duplicate_state(dev, &ctx);
715 if (IS_ERR(state))
716 goto unlock;
717
718 ret = nouveau_atomic_disable(dev, &ctx);
719 if (ret < 0) {
720 drm_atomic_state_put(state);
721 state = ERR_PTR(ret);
722 goto unlock;
723 }
724
725unlock:
726 if (PTR_ERR(state) == -EDEADLK) {
727 drm_modeset_backoff(&ctx);
728 goto retry;
729 }
730
731 drm_modeset_drop_locks(&ctx);
732 drm_modeset_acquire_fini(&ctx);
733 return state;
734}
735
736int
737nouveau_display_suspend(struct drm_device *dev, bool runtime)
738{
739 struct nouveau_display *disp = nouveau_display(dev);
740 struct drm_crtc *crtc;
741
742 if (dev->mode_config.funcs->atomic_commit) {
743 if (!runtime) {
744 disp->suspend = nouveau_atomic_suspend(dev);
745 if (IS_ERR(disp->suspend)) {
746 int ret = PTR_ERR(disp->suspend);
747 disp->suspend = NULL;
748 return ret;
749 }
750 }
751
752 nouveau_display_fini(dev, true);
753 return 0;
754 }
755
756 nouveau_display_fini(dev, true);
757
758 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
759 struct nouveau_framebuffer *nouveau_fb;
760
761 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
762 if (!nouveau_fb || !nouveau_fb->nvbo)
763 continue;
764
765 nouveau_bo_unpin(nouveau_fb->nvbo);
766 }
767
768 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
769 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
770 if (nv_crtc->cursor.nvbo) {
771 if (nv_crtc->cursor.set_offset)
772 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
773 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
774 }
775 }
776
777 return 0;
778}
779
780void
781nouveau_display_resume(struct drm_device *dev, bool runtime)
782{
783 struct nouveau_display *disp = nouveau_display(dev);
784 struct nouveau_drm *drm = nouveau_drm(dev);
785 struct drm_crtc *crtc;
786 int ret;
787
788 if (dev->mode_config.funcs->atomic_commit) {
789 nouveau_display_init(dev);
790 if (disp->suspend) {
791 drm_atomic_helper_resume(dev, disp->suspend);
792 disp->suspend = NULL;
793 }
794 return;
795 }
796
797 /* re-pin fb/cursors */
798 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
799 struct nouveau_framebuffer *nouveau_fb;
800
801 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
802 if (!nouveau_fb || !nouveau_fb->nvbo)
803 continue;
804
805 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
806 if (ret)
807 NV_ERROR(drm, "Could not pin framebuffer\n");
808 }
809
810 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
811 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
812 if (!nv_crtc->cursor.nvbo)
813 continue;
814
815 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
816 if (!ret && nv_crtc->cursor.set_offset)
817 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
818 if (ret)
819 NV_ERROR(drm, "Could not pin/map cursor.\n");
820 }
821
822 nouveau_display_init(dev);
823
824 /* Force CLUT to get re-loaded during modeset */
825 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
826 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
827
828 nv_crtc->lut.depth = 0;
829 }
830
831 /* This should ensure we don't hit a locking problem when someone
832 * wakes us up via a connector. We should never go into suspend
833 * while the display is on anyways.
834 */
835 if (runtime)
836 return;
837
838 drm_helper_resume_force_mode(dev);
839
840 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
841 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
842
843 if (!nv_crtc->cursor.nvbo)
844 continue;
845
846 if (nv_crtc->cursor.set_offset)
847 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
848 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
849 nv_crtc->cursor_saved_y);
850 }
851}
852
853static int
854nouveau_page_flip_emit(struct nouveau_channel *chan,
855 struct nouveau_bo *old_bo,
856 struct nouveau_bo *new_bo,
857 struct nouveau_page_flip_state *s,
858 struct nouveau_fence **pfence)
859{
860 struct nouveau_fence_chan *fctx = chan->fence;
861 struct nouveau_drm *drm = chan->drm;
862 struct drm_device *dev = drm->dev;
863 unsigned long flags;
864 int ret;
865
866 /* Queue it to the pending list */
867 spin_lock_irqsave(&dev->event_lock, flags);
868 list_add_tail(&s->head, &fctx->flip);
869 spin_unlock_irqrestore(&dev->event_lock, flags);
870
871 /* Synchronize with the old framebuffer */
872 ret = nouveau_fence_sync(old_bo, chan, false, false);
873 if (ret)
874 goto fail;
875
876 /* Emit the pageflip */
877 ret = RING_SPACE(chan, 2);
878 if (ret)
879 goto fail;
880
881 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
882 OUT_RING (chan, 0x00000000);
883 FIRE_RING (chan);
884
885 ret = nouveau_fence_new(chan, false, pfence);
886 if (ret)
887 goto fail;
888
889 return 0;
890fail:
891 spin_lock_irqsave(&dev->event_lock, flags);
892 list_del(&s->head);
893 spin_unlock_irqrestore(&dev->event_lock, flags);
894 return ret;
895}
896
897int
898nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
899 struct drm_pending_vblank_event *event, u32 flags)
900{
901 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
902 struct drm_device *dev = crtc->dev;
903 struct nouveau_drm *drm = nouveau_drm(dev);
904 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
905 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
906 struct nouveau_page_flip_state *s;
907 struct nouveau_channel *chan;
908 struct nouveau_cli *cli;
909 struct nouveau_fence *fence;
910 struct nv04_display *dispnv04 = nv04_display(dev);
911 int head = nouveau_crtc(crtc)->index;
912 int ret;
913
914 chan = drm->channel;
915 if (!chan)
916 return -ENODEV;
917 cli = (void *)chan->user.client;
918
919 s = kzalloc(sizeof(*s), GFP_KERNEL);
920 if (!s)
921 return -ENOMEM;
922
923 if (new_bo != old_bo) {
924 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
925 if (ret)
926 goto fail_free;
927 }
928
929 mutex_lock(&cli->mutex);
930 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
931 if (ret)
932 goto fail_unpin;
933
934 /* synchronise rendering channel with the kernel's channel */
935 ret = nouveau_fence_sync(new_bo, chan, false, true);
936 if (ret) {
937 ttm_bo_unreserve(&new_bo->bo);
938 goto fail_unpin;
939 }
940
941 if (new_bo != old_bo) {
942 ttm_bo_unreserve(&new_bo->bo);
943
944 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
945 if (ret)
946 goto fail_unpin;
947 }
948
949 /* Initialize a page flip struct */
950 *s = (struct nouveau_page_flip_state)
951 { { }, event, crtc, fb->bits_per_pixel, fb->pitches[0],
952 new_bo->bo.offset };
953
954 /* Keep vblanks on during flip, for the target crtc of this flip */
955 drm_crtc_vblank_get(crtc);
956
957 /* Emit a page flip */
958 if (swap_interval) {
959 ret = RING_SPACE(chan, 8);
960 if (ret)
961 goto fail_unreserve;
962
963 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
964 OUT_RING (chan, 0);
965 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
966 OUT_RING (chan, head);
967 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
968 OUT_RING (chan, 0);
969 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
970 OUT_RING (chan, 0);
971 }
972
973 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
974
975 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
976 if (ret)
977 goto fail_unreserve;
978 mutex_unlock(&cli->mutex);
979
980 /* Update the crtc struct and cleanup */
981 crtc->primary->fb = fb;
982
983 nouveau_bo_fence(old_bo, fence, false);
984 ttm_bo_unreserve(&old_bo->bo);
985 if (old_bo != new_bo)
986 nouveau_bo_unpin(old_bo);
987 nouveau_fence_unref(&fence);
988 return 0;
989
990fail_unreserve:
991 drm_crtc_vblank_put(crtc);
992 ttm_bo_unreserve(&old_bo->bo);
993fail_unpin:
994 mutex_unlock(&cli->mutex);
995 if (old_bo != new_bo)
996 nouveau_bo_unpin(new_bo);
997fail_free:
998 kfree(s);
999 return ret;
1000}
1001
1002int
1003nouveau_finish_page_flip(struct nouveau_channel *chan,
1004 struct nouveau_page_flip_state *ps)
1005{
1006 struct nouveau_fence_chan *fctx = chan->fence;
1007 struct nouveau_drm *drm = chan->drm;
1008 struct drm_device *dev = drm->dev;
1009 struct nouveau_page_flip_state *s;
1010 unsigned long flags;
1011
1012 spin_lock_irqsave(&dev->event_lock, flags);
1013
1014 if (list_empty(&fctx->flip)) {
1015 NV_ERROR(drm, "unexpected pageflip\n");
1016 spin_unlock_irqrestore(&dev->event_lock, flags);
1017 return -EINVAL;
1018 }
1019
1020 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
1021 if (s->event) {
1022 drm_crtc_arm_vblank_event(s->crtc, s->event);
1023 } else {
1024 /* Give up ownership of vblank for page-flipped crtc */
1025 drm_crtc_vblank_put(s->crtc);
1026 }
1027
1028 list_del(&s->head);
1029 if (ps)
1030 *ps = *s;
1031 kfree(s);
1032
1033 spin_unlock_irqrestore(&dev->event_lock, flags);
1034 return 0;
1035}
1036
1037int
1038nouveau_flip_complete(struct nvif_notify *notify)
1039{
1040 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
1041 struct nouveau_channel *chan = drm->channel;
1042 struct nouveau_page_flip_state state;
1043
1044 if (!nouveau_finish_page_flip(chan, &state)) {
1045 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
1046 state.offset + state.crtc->y *
1047 state.pitch + state.crtc->x *
1048 state.bpp / 8);
1049 }
1050
1051 return NVIF_NOTIFY_KEEP;
1052}
1053
1054int
1055nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
1056 struct drm_mode_create_dumb *args)
1057{
1058 struct nouveau_bo *bo;
1059 uint32_t domain;
1060 int ret;
1061
1062 args->pitch = roundup(args->width * (args->bpp / 8), 256);
1063 args->size = args->pitch * args->height;
1064 args->size = roundup(args->size, PAGE_SIZE);
1065
1066 /* Use VRAM if there is any ; otherwise fallback to system memory */
1067 if (nouveau_drm(dev)->device.info.ram_size != 0)
1068 domain = NOUVEAU_GEM_DOMAIN_VRAM;
1069 else
1070 domain = NOUVEAU_GEM_DOMAIN_GART;
1071
1072 ret = nouveau_gem_new(dev, args->size, 0, domain, 0, 0, &bo);
1073 if (ret)
1074 return ret;
1075
1076 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
1077 drm_gem_object_unreference_unlocked(&bo->gem);
1078 return ret;
1079}
1080
1081int
1082nouveau_display_dumb_map_offset(struct drm_file *file_priv,
1083 struct drm_device *dev,
1084 uint32_t handle, uint64_t *poffset)
1085{
1086 struct drm_gem_object *gem;
1087
1088 gem = drm_gem_object_lookup(file_priv, handle);
1089 if (gem) {
1090 struct nouveau_bo *bo = nouveau_gem_object(gem);
1091 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
1092 drm_gem_object_unreference_unlocked(gem);
1093 return 0;
1094 }
1095
1096 return -ENOENT;
1097}