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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
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_gem_framebuffer_helper.h>
35#include <drm/drm_probe_helper.h>
36#include <drm/drm_vblank.h>
37
38#include "nouveau_fbcon.h"
39#include "nouveau_crtc.h"
40#include "nouveau_gem.h"
41#include "nouveau_connector.h"
42#include "nv50_display.h"
43
44#include <nvif/class.h>
45#include <nvif/cl0046.h>
46#include <nvif/event.h>
47#include <dispnv50/crc.h>
48
49int
50nouveau_display_vblank_enable(struct drm_crtc *crtc)
51{
52 struct nouveau_crtc *nv_crtc;
53
54 nv_crtc = nouveau_crtc(crtc);
55 nvif_notify_get(&nv_crtc->vblank);
56
57 return 0;
58}
59
60void
61nouveau_display_vblank_disable(struct drm_crtc *crtc)
62{
63 struct nouveau_crtc *nv_crtc;
64
65 nv_crtc = nouveau_crtc(crtc);
66 nvif_notify_put(&nv_crtc->vblank);
67}
68
69static inline int
70calc(int blanks, int blanke, int total, int line)
71{
72 if (blanke >= blanks) {
73 if (line >= blanks)
74 line -= total;
75 } else {
76 if (line >= blanks)
77 line -= total;
78 line -= blanke + 1;
79 }
80 return line;
81}
82
83static bool
84nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
85 ktime_t *stime, ktime_t *etime)
86{
87 struct {
88 struct nv04_disp_mthd_v0 base;
89 struct nv04_disp_scanoutpos_v0 scan;
90 } args = {
91 .base.method = NV04_DISP_SCANOUTPOS,
92 .base.head = nouveau_crtc(crtc)->index,
93 };
94 struct nouveau_display *disp = nouveau_display(crtc->dev);
95 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
96 int retry = 20;
97 bool ret = false;
98
99 do {
100 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args));
101 if (ret != 0)
102 return false;
103
104 if (args.scan.vline) {
105 ret = true;
106 break;
107 }
108
109 if (retry) ndelay(vblank->linedur_ns);
110 } while (retry--);
111
112 *hpos = args.scan.hline;
113 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
114 args.scan.vtotal, args.scan.vline);
115 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
116 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
117
118 return ret;
119}
120
121bool
122nouveau_display_scanoutpos(struct drm_crtc *crtc,
123 bool in_vblank_irq, int *vpos, int *hpos,
124 ktime_t *stime, ktime_t *etime,
125 const struct drm_display_mode *mode)
126{
127 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
128 stime, etime);
129}
130
131static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
132 .destroy = drm_gem_fb_destroy,
133 .create_handle = drm_gem_fb_create_handle,
134};
135
136static void
137nouveau_decode_mod(struct nouveau_drm *drm,
138 uint64_t modifier,
139 uint32_t *tile_mode,
140 uint8_t *kind)
141{
142 struct nouveau_display *disp = nouveau_display(drm->dev);
143 BUG_ON(!tile_mode || !kind);
144
145 if (modifier == DRM_FORMAT_MOD_LINEAR) {
146 /* tile_mode will not be used in this case */
147 *tile_mode = 0;
148 *kind = 0;
149 } else {
150 /*
151 * Extract the block height and kind from the corresponding
152 * modifier fields. See drm_fourcc.h for details.
153 */
154
155 if ((modifier & (0xffull << 12)) == 0ull) {
156 /* Legacy modifier. Translate to this dev's 'kind.' */
157 modifier |= disp->format_modifiers[0] & (0xffull << 12);
158 }
159
160 *tile_mode = (uint32_t)(modifier & 0xF);
161 *kind = (uint8_t)((modifier >> 12) & 0xFF);
162
163 if (drm->client.device.info.chipset >= 0xc0)
164 *tile_mode <<= 4;
165 }
166}
167
168void
169nouveau_framebuffer_get_layout(struct drm_framebuffer *fb,
170 uint32_t *tile_mode,
171 uint8_t *kind)
172{
173 if (fb->flags & DRM_MODE_FB_MODIFIERS) {
174 struct nouveau_drm *drm = nouveau_drm(fb->dev);
175
176 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind);
177 } else {
178 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
179
180 *tile_mode = nvbo->mode;
181 *kind = nvbo->kind;
182 }
183}
184
185static const u64 legacy_modifiers[] = {
186 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0),
187 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1),
188 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2),
189 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3),
190 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4),
191 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5),
192 DRM_FORMAT_MOD_INVALID
193};
194
195static int
196nouveau_validate_decode_mod(struct nouveau_drm *drm,
197 uint64_t modifier,
198 uint32_t *tile_mode,
199 uint8_t *kind)
200{
201 struct nouveau_display *disp = nouveau_display(drm->dev);
202 int mod;
203
204 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
205 return -EINVAL;
206 }
207
208 BUG_ON(!disp->format_modifiers);
209
210 for (mod = 0;
211 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
212 (disp->format_modifiers[mod] != modifier);
213 mod++);
214
215 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) {
216 for (mod = 0;
217 (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
218 (legacy_modifiers[mod] != modifier);
219 mod++);
220 if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID)
221 return -EINVAL;
222 }
223
224 nouveau_decode_mod(drm, modifier, tile_mode, kind);
225
226 return 0;
227}
228
229static inline uint32_t
230nouveau_get_width_in_blocks(uint32_t stride)
231{
232 /* GOBs per block in the x direction is always one, and GOBs are
233 * 64 bytes wide
234 */
235 static const uint32_t log_block_width = 6;
236
237 return (stride + (1 << log_block_width) - 1) >> log_block_width;
238}
239
240static inline uint32_t
241nouveau_get_height_in_blocks(struct nouveau_drm *drm,
242 uint32_t height,
243 uint32_t log_block_height_in_gobs)
244{
245 uint32_t log_gob_height;
246 uint32_t log_block_height;
247
248 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
249
250 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
251 log_gob_height = 2;
252 else
253 log_gob_height = 3;
254
255 log_block_height = log_block_height_in_gobs + log_gob_height;
256
257 return (height + (1 << log_block_height) - 1) >> log_block_height;
258}
259
260static int
261nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo,
262 uint32_t offset, uint32_t stride, uint32_t h,
263 uint32_t tile_mode)
264{
265 uint32_t gob_size, bw, bh;
266 uint64_t bl_size;
267
268 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
269
270 if (drm->client.device.info.chipset >= 0xc0) {
271 if (tile_mode & 0xF)
272 return -EINVAL;
273 tile_mode >>= 4;
274 }
275
276 if (tile_mode & 0xFFFFFFF0)
277 return -EINVAL;
278
279 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
280 gob_size = 256;
281 else
282 gob_size = 512;
283
284 bw = nouveau_get_width_in_blocks(stride);
285 bh = nouveau_get_height_in_blocks(drm, h, tile_mode);
286
287 bl_size = bw * bh * (1 << tile_mode) * gob_size;
288
289 DRM_DEBUG_KMS("offset=%u stride=%u h=%u tile_mode=0x%02x bw=%u bh=%u gob_size=%u bl_size=%llu size=%zu\n",
290 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size,
291 nvbo->bo.base.size);
292
293 if (bl_size + offset > nvbo->bo.base.size)
294 return -ERANGE;
295
296 return 0;
297}
298
299int
300nouveau_framebuffer_new(struct drm_device *dev,
301 const struct drm_mode_fb_cmd2 *mode_cmd,
302 struct drm_gem_object *gem,
303 struct drm_framebuffer **pfb)
304{
305 struct nouveau_drm *drm = nouveau_drm(dev);
306 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
307 struct drm_framebuffer *fb;
308 const struct drm_format_info *info;
309 unsigned int width, height, i;
310 uint32_t tile_mode;
311 uint8_t kind;
312 int ret;
313
314 /* YUV overlays have special requirements pre-NV50 */
315 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
316
317 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
318 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
319 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
320 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
321 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
322 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
323 (mode_cmd->pitches[1] && /* pitches for planes must match */
324 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
325 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %p4cc; pitches: 0x%x\n 0x%x\n",
326 &mode_cmd->pixel_format,
327 mode_cmd->pitches[0], mode_cmd->pitches[1]);
328 return -EINVAL;
329 }
330
331 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
332 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0],
333 &tile_mode, &kind)) {
334 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n",
335 mode_cmd->modifier[0]);
336 return -EINVAL;
337 }
338 } else {
339 tile_mode = nvbo->mode;
340 kind = nvbo->kind;
341 }
342
343 info = drm_get_format_info(dev, mode_cmd);
344
345 for (i = 0; i < info->num_planes; i++) {
346 width = drm_format_info_plane_width(info,
347 mode_cmd->width,
348 i);
349 height = drm_format_info_plane_height(info,
350 mode_cmd->height,
351 i);
352
353 if (kind) {
354 ret = nouveau_check_bl_size(drm, nvbo,
355 mode_cmd->offsets[i],
356 mode_cmd->pitches[i],
357 height, tile_mode);
358 if (ret)
359 return ret;
360 } else {
361 uint32_t size = mode_cmd->pitches[i] * height;
362
363 if (size + mode_cmd->offsets[i] > nvbo->bo.base.size)
364 return -ERANGE;
365 }
366 }
367
368 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
369 return -ENOMEM;
370
371 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
372 fb->obj[0] = gem;
373
374 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
375 if (ret)
376 kfree(fb);
377 return ret;
378}
379
380struct drm_framebuffer *
381nouveau_user_framebuffer_create(struct drm_device *dev,
382 struct drm_file *file_priv,
383 const struct drm_mode_fb_cmd2 *mode_cmd)
384{
385 struct drm_framebuffer *fb;
386 struct drm_gem_object *gem;
387 int ret;
388
389 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
390 if (!gem)
391 return ERR_PTR(-ENOENT);
392
393 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb);
394 if (ret == 0)
395 return fb;
396
397 drm_gem_object_put(gem);
398 return ERR_PTR(ret);
399}
400
401static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
402 .fb_create = nouveau_user_framebuffer_create,
403 .output_poll_changed = nouveau_fbcon_output_poll_changed,
404};
405
406
407struct nouveau_drm_prop_enum_list {
408 u8 gen_mask;
409 int type;
410 char *name;
411};
412
413static struct nouveau_drm_prop_enum_list underscan[] = {
414 { 6, UNDERSCAN_AUTO, "auto" },
415 { 6, UNDERSCAN_OFF, "off" },
416 { 6, UNDERSCAN_ON, "on" },
417 {}
418};
419
420static struct nouveau_drm_prop_enum_list dither_mode[] = {
421 { 7, DITHERING_MODE_AUTO, "auto" },
422 { 7, DITHERING_MODE_OFF, "off" },
423 { 1, DITHERING_MODE_ON, "on" },
424 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
425 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
426 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
427 {}
428};
429
430static struct nouveau_drm_prop_enum_list dither_depth[] = {
431 { 6, DITHERING_DEPTH_AUTO, "auto" },
432 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
433 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
434 {}
435};
436
437#define PROP_ENUM(p,gen,n,list) do { \
438 struct nouveau_drm_prop_enum_list *l = (list); \
439 int c = 0; \
440 while (l->gen_mask) { \
441 if (l->gen_mask & (1 << (gen))) \
442 c++; \
443 l++; \
444 } \
445 if (c) { \
446 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
447 l = (list); \
448 while (p && l->gen_mask) { \
449 if (l->gen_mask & (1 << (gen))) { \
450 drm_property_add_enum(p, l->type, l->name); \
451 } \
452 l++; \
453 } \
454 } \
455} while(0)
456
457void
458nouveau_display_hpd_resume(struct drm_device *dev)
459{
460 struct nouveau_drm *drm = nouveau_drm(dev);
461
462 mutex_lock(&drm->hpd_lock);
463 drm->hpd_pending = ~0;
464 mutex_unlock(&drm->hpd_lock);
465
466 schedule_work(&drm->hpd_work);
467}
468
469static void
470nouveau_display_hpd_work(struct work_struct *work)
471{
472 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
473 struct drm_device *dev = drm->dev;
474 struct drm_connector *connector;
475 struct drm_connector_list_iter conn_iter;
476 u32 pending;
477 bool changed = false;
478
479 pm_runtime_get_sync(dev->dev);
480
481 mutex_lock(&drm->hpd_lock);
482 pending = drm->hpd_pending;
483 drm->hpd_pending = 0;
484 mutex_unlock(&drm->hpd_lock);
485
486 /* Nothing to do, exit early without updating the last busy counter */
487 if (!pending)
488 goto noop;
489
490 mutex_lock(&dev->mode_config.mutex);
491 drm_connector_list_iter_begin(dev, &conn_iter);
492
493 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
494 enum drm_connector_status old_status = connector->status;
495 u64 old_epoch_counter = connector->epoch_counter;
496
497 if (!(pending & drm_connector_mask(connector)))
498 continue;
499
500 connector->status = drm_helper_probe_detect(connector, NULL,
501 false);
502 if (old_epoch_counter == connector->epoch_counter)
503 continue;
504
505 changed = true;
506 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n",
507 connector->base.id, connector->name,
508 drm_get_connector_status_name(old_status),
509 drm_get_connector_status_name(connector->status),
510 old_epoch_counter, connector->epoch_counter);
511 }
512
513 drm_connector_list_iter_end(&conn_iter);
514 mutex_unlock(&dev->mode_config.mutex);
515
516 if (changed)
517 drm_kms_helper_hotplug_event(dev);
518
519 pm_runtime_mark_last_busy(drm->dev->dev);
520noop:
521 pm_runtime_put_sync(drm->dev->dev);
522}
523
524#ifdef CONFIG_ACPI
525
526static int
527nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
528 void *data)
529{
530 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
531 struct acpi_bus_event *info = data;
532 int ret;
533
534 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
535 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
536 ret = pm_runtime_get(drm->dev->dev);
537 if (ret == 1 || ret == -EACCES) {
538 /* If the GPU is already awake, or in a state
539 * where we can't wake it up, it can handle
540 * it's own hotplug events.
541 */
542 pm_runtime_put_autosuspend(drm->dev->dev);
543 } else if (ret == 0) {
544 /* We've started resuming the GPU already, so
545 * it will handle scheduling a full reprobe
546 * itself
547 */
548 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
549 pm_runtime_put_noidle(drm->dev->dev);
550 } else {
551 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
552 ret);
553 }
554
555 /* acpi-video should not generate keypresses for this */
556 return NOTIFY_BAD;
557 }
558 }
559
560 return NOTIFY_DONE;
561}
562#endif
563
564int
565nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
566{
567 struct nouveau_display *disp = nouveau_display(dev);
568 struct drm_connector *connector;
569 struct drm_connector_list_iter conn_iter;
570 int ret;
571
572 /*
573 * Enable hotplug interrupts (done as early as possible, since we need
574 * them for MST)
575 */
576 drm_connector_list_iter_begin(dev, &conn_iter);
577 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
578 struct nouveau_connector *conn = nouveau_connector(connector);
579 nvif_notify_get(&conn->hpd);
580 }
581 drm_connector_list_iter_end(&conn_iter);
582
583 ret = disp->init(dev, resume, runtime);
584 if (ret)
585 return ret;
586
587 /* enable connector detection and polling for connectors without HPD
588 * support
589 */
590 drm_kms_helper_poll_enable(dev);
591
592 return ret;
593}
594
595void
596nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
597{
598 struct nouveau_display *disp = nouveau_display(dev);
599 struct nouveau_drm *drm = nouveau_drm(dev);
600 struct drm_connector *connector;
601 struct drm_connector_list_iter conn_iter;
602
603 if (!suspend) {
604 if (drm_drv_uses_atomic_modeset(dev))
605 drm_atomic_helper_shutdown(dev);
606 else
607 drm_helper_force_disable_all(dev);
608 }
609
610 /* disable hotplug interrupts */
611 drm_connector_list_iter_begin(dev, &conn_iter);
612 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
613 struct nouveau_connector *conn = nouveau_connector(connector);
614 nvif_notify_put(&conn->hpd);
615 }
616 drm_connector_list_iter_end(&conn_iter);
617
618 if (!runtime)
619 cancel_work_sync(&drm->hpd_work);
620
621 drm_kms_helper_poll_disable(dev);
622 disp->fini(dev, runtime, suspend);
623}
624
625static void
626nouveau_display_create_properties(struct drm_device *dev)
627{
628 struct nouveau_display *disp = nouveau_display(dev);
629 int gen;
630
631 if (disp->disp.object.oclass < NV50_DISP)
632 gen = 0;
633 else
634 if (disp->disp.object.oclass < GF110_DISP)
635 gen = 1;
636 else
637 gen = 2;
638
639 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
640 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
641 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
642
643 disp->underscan_hborder_property =
644 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
645
646 disp->underscan_vborder_property =
647 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
648
649 if (gen < 1)
650 return;
651
652 /* -90..+90 */
653 disp->vibrant_hue_property =
654 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
655
656 /* -100..+100 */
657 disp->color_vibrance_property =
658 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
659}
660
661int
662nouveau_display_create(struct drm_device *dev)
663{
664 struct nouveau_drm *drm = nouveau_drm(dev);
665 struct nvkm_device *device = nvxx_device(&drm->client.device);
666 struct nouveau_display *disp;
667 int ret;
668
669 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
670 if (!disp)
671 return -ENOMEM;
672
673 drm_mode_config_init(dev);
674 drm_mode_create_scaling_mode_property(dev);
675 drm_mode_create_dvi_i_properties(dev);
676
677 dev->mode_config.funcs = &nouveau_mode_config_funcs;
678 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
679
680 dev->mode_config.min_width = 0;
681 dev->mode_config.min_height = 0;
682 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
683 dev->mode_config.max_width = 2048;
684 dev->mode_config.max_height = 2048;
685 } else
686 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
687 dev->mode_config.max_width = 4096;
688 dev->mode_config.max_height = 4096;
689 } else
690 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
691 dev->mode_config.max_width = 8192;
692 dev->mode_config.max_height = 8192;
693 } else {
694 dev->mode_config.max_width = 16384;
695 dev->mode_config.max_height = 16384;
696 }
697
698 dev->mode_config.preferred_depth = 24;
699 dev->mode_config.prefer_shadow = 1;
700
701 if (drm->client.device.info.chipset < 0x11)
702 dev->mode_config.async_page_flip = false;
703 else
704 dev->mode_config.async_page_flip = true;
705
706 drm_kms_helper_poll_init(dev);
707 drm_kms_helper_poll_disable(dev);
708
709 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
710 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0,
711 &disp->disp);
712 if (ret == 0) {
713 nouveau_display_create_properties(dev);
714 if (disp->disp.object.oclass < NV50_DISP)
715 ret = nv04_display_create(dev);
716 else
717 ret = nv50_display_create(dev);
718 }
719 } else {
720 ret = 0;
721 }
722
723 if (ret)
724 goto disp_create_err;
725
726 drm_mode_config_reset(dev);
727
728 if (dev->mode_config.num_crtc) {
729 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
730 if (ret)
731 goto vblank_err;
732
733 if (disp->disp.object.oclass >= NV50_DISP)
734 nv50_crc_init(dev);
735 }
736
737 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
738 mutex_init(&drm->hpd_lock);
739#ifdef CONFIG_ACPI
740 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
741 register_acpi_notifier(&drm->acpi_nb);
742#endif
743
744 return 0;
745
746vblank_err:
747 disp->dtor(dev);
748disp_create_err:
749 drm_kms_helper_poll_fini(dev);
750 drm_mode_config_cleanup(dev);
751 return ret;
752}
753
754void
755nouveau_display_destroy(struct drm_device *dev)
756{
757 struct nouveau_display *disp = nouveau_display(dev);
758 struct nouveau_drm *drm = nouveau_drm(dev);
759
760#ifdef CONFIG_ACPI
761 unregister_acpi_notifier(&drm->acpi_nb);
762#endif
763
764 drm_kms_helper_poll_fini(dev);
765 drm_mode_config_cleanup(dev);
766
767 if (disp->dtor)
768 disp->dtor(dev);
769
770 nvif_disp_dtor(&disp->disp);
771
772 nouveau_drm(dev)->display = NULL;
773 mutex_destroy(&drm->hpd_lock);
774 kfree(disp);
775}
776
777int
778nouveau_display_suspend(struct drm_device *dev, bool runtime)
779{
780 struct nouveau_display *disp = nouveau_display(dev);
781
782 if (drm_drv_uses_atomic_modeset(dev)) {
783 if (!runtime) {
784 disp->suspend = drm_atomic_helper_suspend(dev);
785 if (IS_ERR(disp->suspend)) {
786 int ret = PTR_ERR(disp->suspend);
787 disp->suspend = NULL;
788 return ret;
789 }
790 }
791 }
792
793 nouveau_display_fini(dev, true, runtime);
794 return 0;
795}
796
797void
798nouveau_display_resume(struct drm_device *dev, bool runtime)
799{
800 struct nouveau_display *disp = nouveau_display(dev);
801
802 nouveau_display_init(dev, true, runtime);
803
804 if (drm_drv_uses_atomic_modeset(dev)) {
805 if (disp->suspend) {
806 drm_atomic_helper_resume(dev, disp->suspend);
807 disp->suspend = NULL;
808 }
809 return;
810 }
811}
812
813int
814nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
815 struct drm_mode_create_dumb *args)
816{
817 struct nouveau_cli *cli = nouveau_cli(file_priv);
818 struct nouveau_bo *bo;
819 uint32_t domain;
820 int ret;
821
822 args->pitch = roundup(args->width * (args->bpp / 8), 256);
823 args->size = args->pitch * args->height;
824 args->size = roundup(args->size, PAGE_SIZE);
825
826 /* Use VRAM if there is any ; otherwise fallback to system memory */
827 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
828 domain = NOUVEAU_GEM_DOMAIN_VRAM;
829 else
830 domain = NOUVEAU_GEM_DOMAIN_GART;
831
832 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
833 if (ret)
834 return ret;
835
836 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
837 drm_gem_object_put(&bo->bo.base);
838 return ret;
839}