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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 <acpi/video.h>
28
29#include <drm/drm_atomic.h>
30#include <drm/drm_atomic_helper.h>
31#include <drm/drm_crtc_helper.h>
32#include <drm/drm_fb_helper.h>
33#include <drm/drm_fourcc.h>
34#include <drm/drm_probe_helper.h>
35#include <drm/drm_vblank.h>
36
37#include "nouveau_fbcon.h"
38#include "nouveau_crtc.h"
39#include "nouveau_gem.h"
40#include "nouveau_connector.h"
41#include "nv50_display.h"
42
43#include <nvif/class.h>
44#include <nvif/cl0046.h>
45#include <nvif/event.h>
46
47static int
48nouveau_display_vblank_handler(struct nvif_notify *notify)
49{
50 struct nouveau_crtc *nv_crtc =
51 container_of(notify, typeof(*nv_crtc), vblank);
52 drm_crtc_handle_vblank(&nv_crtc->base);
53 return NVIF_NOTIFY_KEEP;
54}
55
56int
57nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
58{
59 struct drm_crtc *crtc;
60 struct nouveau_crtc *nv_crtc;
61
62 crtc = drm_crtc_from_index(dev, pipe);
63 if (!crtc)
64 return -EINVAL;
65
66 nv_crtc = nouveau_crtc(crtc);
67 nvif_notify_get(&nv_crtc->vblank);
68
69 return 0;
70}
71
72void
73nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
74{
75 struct drm_crtc *crtc;
76 struct nouveau_crtc *nv_crtc;
77
78 crtc = drm_crtc_from_index(dev, pipe);
79 if (!crtc)
80 return;
81
82 nv_crtc = nouveau_crtc(crtc);
83 nvif_notify_put(&nv_crtc->vblank);
84}
85
86static inline int
87calc(int blanks, int blanke, int total, int line)
88{
89 if (blanke >= blanks) {
90 if (line >= blanks)
91 line -= total;
92 } else {
93 if (line >= blanks)
94 line -= total;
95 line -= blanke + 1;
96 }
97 return line;
98}
99
100static bool
101nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
102 ktime_t *stime, ktime_t *etime)
103{
104 struct {
105 struct nv04_disp_mthd_v0 base;
106 struct nv04_disp_scanoutpos_v0 scan;
107 } args = {
108 .base.method = NV04_DISP_SCANOUTPOS,
109 .base.head = nouveau_crtc(crtc)->index,
110 };
111 struct nouveau_display *disp = nouveau_display(crtc->dev);
112 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
113 int retry = 20;
114 bool ret = false;
115
116 do {
117 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args));
118 if (ret != 0)
119 return false;
120
121 if (args.scan.vline) {
122 ret = true;
123 break;
124 }
125
126 if (retry) ndelay(vblank->linedur_ns);
127 } while (retry--);
128
129 *hpos = args.scan.hline;
130 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
131 args.scan.vtotal, args.scan.vline);
132 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
133 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
134
135 return ret;
136}
137
138bool
139nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
140 bool in_vblank_irq, int *vpos, int *hpos,
141 ktime_t *stime, ktime_t *etime,
142 const struct drm_display_mode *mode)
143{
144 struct drm_crtc *crtc;
145
146 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
147 if (nouveau_crtc(crtc)->index == pipe) {
148 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
149 stime, etime);
150 }
151 }
152
153 return false;
154}
155
156static void
157nouveau_display_vblank_fini(struct drm_device *dev)
158{
159 struct drm_crtc *crtc;
160
161 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
162 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
163 nvif_notify_fini(&nv_crtc->vblank);
164 }
165}
166
167static int
168nouveau_display_vblank_init(struct drm_device *dev)
169{
170 struct nouveau_display *disp = nouveau_display(dev);
171 struct drm_crtc *crtc;
172 int ret;
173
174 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
175 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
176 ret = nvif_notify_init(&disp->disp.object,
177 nouveau_display_vblank_handler, false,
178 NV04_DISP_NTFY_VBLANK,
179 &(struct nvif_notify_head_req_v0) {
180 .head = nv_crtc->index,
181 },
182 sizeof(struct nvif_notify_head_req_v0),
183 sizeof(struct nvif_notify_head_rep_v0),
184 &nv_crtc->vblank);
185 if (ret) {
186 nouveau_display_vblank_fini(dev);
187 return ret;
188 }
189 }
190
191 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
192 if (ret) {
193 nouveau_display_vblank_fini(dev);
194 return ret;
195 }
196
197 return 0;
198}
199
200static void
201nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
202{
203 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
204
205 if (fb->nvbo)
206 drm_gem_object_put_unlocked(&fb->nvbo->bo.base);
207
208 drm_framebuffer_cleanup(drm_fb);
209 kfree(fb);
210}
211
212static int
213nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
214 struct drm_file *file_priv,
215 unsigned int *handle)
216{
217 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
218
219 return drm_gem_handle_create(file_priv, &fb->nvbo->bo.base, handle);
220}
221
222static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
223 .destroy = nouveau_user_framebuffer_destroy,
224 .create_handle = nouveau_user_framebuffer_create_handle,
225};
226
227int
228nouveau_framebuffer_new(struct drm_device *dev,
229 const struct drm_mode_fb_cmd2 *mode_cmd,
230 struct nouveau_bo *nvbo,
231 struct nouveau_framebuffer **pfb)
232{
233 struct nouveau_drm *drm = nouveau_drm(dev);
234 struct nouveau_framebuffer *fb;
235 int ret;
236
237 /* YUV overlays have special requirements pre-NV50 */
238 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
239
240 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
241 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
242 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
243 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
244 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
245 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
246 (mode_cmd->pitches[1] && /* pitches for planes must match */
247 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
248 struct drm_format_name_buf format_name;
249 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
250 drm_get_format_name(mode_cmd->pixel_format,
251 &format_name),
252 mode_cmd->pitches[0],
253 mode_cmd->pitches[1]);
254 return -EINVAL;
255 }
256
257 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
258 return -ENOMEM;
259
260 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
261 fb->nvbo = nvbo;
262
263 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
264 if (ret)
265 kfree(fb);
266 return ret;
267}
268
269struct drm_framebuffer *
270nouveau_user_framebuffer_create(struct drm_device *dev,
271 struct drm_file *file_priv,
272 const struct drm_mode_fb_cmd2 *mode_cmd)
273{
274 struct nouveau_framebuffer *fb;
275 struct nouveau_bo *nvbo;
276 struct drm_gem_object *gem;
277 int ret;
278
279 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
280 if (!gem)
281 return ERR_PTR(-ENOENT);
282 nvbo = nouveau_gem_object(gem);
283
284 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
285 if (ret == 0)
286 return &fb->base;
287
288 drm_gem_object_put_unlocked(gem);
289 return ERR_PTR(ret);
290}
291
292static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
293 .fb_create = nouveau_user_framebuffer_create,
294 .output_poll_changed = nouveau_fbcon_output_poll_changed,
295};
296
297
298struct nouveau_drm_prop_enum_list {
299 u8 gen_mask;
300 int type;
301 char *name;
302};
303
304static struct nouveau_drm_prop_enum_list underscan[] = {
305 { 6, UNDERSCAN_AUTO, "auto" },
306 { 6, UNDERSCAN_OFF, "off" },
307 { 6, UNDERSCAN_ON, "on" },
308 {}
309};
310
311static struct nouveau_drm_prop_enum_list dither_mode[] = {
312 { 7, DITHERING_MODE_AUTO, "auto" },
313 { 7, DITHERING_MODE_OFF, "off" },
314 { 1, DITHERING_MODE_ON, "on" },
315 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
316 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
317 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
318 {}
319};
320
321static struct nouveau_drm_prop_enum_list dither_depth[] = {
322 { 6, DITHERING_DEPTH_AUTO, "auto" },
323 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
324 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
325 {}
326};
327
328#define PROP_ENUM(p,gen,n,list) do { \
329 struct nouveau_drm_prop_enum_list *l = (list); \
330 int c = 0; \
331 while (l->gen_mask) { \
332 if (l->gen_mask & (1 << (gen))) \
333 c++; \
334 l++; \
335 } \
336 if (c) { \
337 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
338 l = (list); \
339 while (p && l->gen_mask) { \
340 if (l->gen_mask & (1 << (gen))) { \
341 drm_property_add_enum(p, l->type, l->name); \
342 } \
343 l++; \
344 } \
345 } \
346} while(0)
347
348static void
349nouveau_display_hpd_work(struct work_struct *work)
350{
351 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
352
353 pm_runtime_get_sync(drm->dev->dev);
354
355 drm_helper_hpd_irq_event(drm->dev);
356
357 pm_runtime_mark_last_busy(drm->dev->dev);
358 pm_runtime_put_sync(drm->dev->dev);
359}
360
361#ifdef CONFIG_ACPI
362
363static int
364nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
365 void *data)
366{
367 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
368 struct acpi_bus_event *info = data;
369 int ret;
370
371 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
372 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
373 ret = pm_runtime_get(drm->dev->dev);
374 if (ret == 1 || ret == -EACCES) {
375 /* If the GPU is already awake, or in a state
376 * where we can't wake it up, it can handle
377 * it's own hotplug events.
378 */
379 pm_runtime_put_autosuspend(drm->dev->dev);
380 } else if (ret == 0) {
381 /* This may be the only indication we receive
382 * of a connector hotplug on a runtime
383 * suspended GPU, schedule hpd_work to check.
384 */
385 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
386 schedule_work(&drm->hpd_work);
387 pm_runtime_put_noidle(drm->dev->dev);
388 } else {
389 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
390 ret);
391 }
392
393 /* acpi-video should not generate keypresses for this */
394 return NOTIFY_BAD;
395 }
396 }
397
398 return NOTIFY_DONE;
399}
400#endif
401
402int
403nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
404{
405 struct nouveau_display *disp = nouveau_display(dev);
406 struct drm_connector *connector;
407 struct drm_connector_list_iter conn_iter;
408 int ret;
409
410 ret = disp->init(dev, resume, runtime);
411 if (ret)
412 return ret;
413
414 /* enable connector detection and polling for connectors without HPD
415 * support
416 */
417 drm_kms_helper_poll_enable(dev);
418
419 /* enable hotplug interrupts */
420 drm_connector_list_iter_begin(dev, &conn_iter);
421 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
422 struct nouveau_connector *conn = nouveau_connector(connector);
423 nvif_notify_get(&conn->hpd);
424 }
425 drm_connector_list_iter_end(&conn_iter);
426
427 return ret;
428}
429
430void
431nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
432{
433 struct nouveau_display *disp = nouveau_display(dev);
434 struct nouveau_drm *drm = nouveau_drm(dev);
435 struct drm_connector *connector;
436 struct drm_connector_list_iter conn_iter;
437
438 if (!suspend) {
439 if (drm_drv_uses_atomic_modeset(dev))
440 drm_atomic_helper_shutdown(dev);
441 else
442 drm_helper_force_disable_all(dev);
443 }
444
445 /* disable hotplug interrupts */
446 drm_connector_list_iter_begin(dev, &conn_iter);
447 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
448 struct nouveau_connector *conn = nouveau_connector(connector);
449 nvif_notify_put(&conn->hpd);
450 }
451 drm_connector_list_iter_end(&conn_iter);
452
453 if (!runtime)
454 cancel_work_sync(&drm->hpd_work);
455
456 drm_kms_helper_poll_disable(dev);
457 disp->fini(dev, suspend);
458}
459
460static void
461nouveau_display_create_properties(struct drm_device *dev)
462{
463 struct nouveau_display *disp = nouveau_display(dev);
464 int gen;
465
466 if (disp->disp.object.oclass < NV50_DISP)
467 gen = 0;
468 else
469 if (disp->disp.object.oclass < GF110_DISP)
470 gen = 1;
471 else
472 gen = 2;
473
474 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
475 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
476 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
477
478 disp->underscan_hborder_property =
479 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
480
481 disp->underscan_vborder_property =
482 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
483
484 if (gen < 1)
485 return;
486
487 /* -90..+90 */
488 disp->vibrant_hue_property =
489 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
490
491 /* -100..+100 */
492 disp->color_vibrance_property =
493 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
494}
495
496int
497nouveau_display_create(struct drm_device *dev)
498{
499 struct nouveau_drm *drm = nouveau_drm(dev);
500 struct nvkm_device *device = nvxx_device(&drm->client.device);
501 struct nouveau_display *disp;
502 int ret;
503
504 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
505 if (!disp)
506 return -ENOMEM;
507
508 drm_mode_config_init(dev);
509 drm_mode_create_scaling_mode_property(dev);
510 drm_mode_create_dvi_i_properties(dev);
511
512 dev->mode_config.funcs = &nouveau_mode_config_funcs;
513 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
514
515 dev->mode_config.min_width = 0;
516 dev->mode_config.min_height = 0;
517 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
518 dev->mode_config.max_width = 2048;
519 dev->mode_config.max_height = 2048;
520 } else
521 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
522 dev->mode_config.max_width = 4096;
523 dev->mode_config.max_height = 4096;
524 } else
525 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
526 dev->mode_config.max_width = 8192;
527 dev->mode_config.max_height = 8192;
528 } else {
529 dev->mode_config.max_width = 16384;
530 dev->mode_config.max_height = 16384;
531 }
532
533 dev->mode_config.preferred_depth = 24;
534 dev->mode_config.prefer_shadow = 1;
535
536 if (drm->client.device.info.chipset < 0x11)
537 dev->mode_config.async_page_flip = false;
538 else
539 dev->mode_config.async_page_flip = true;
540
541 drm_kms_helper_poll_init(dev);
542 drm_kms_helper_poll_disable(dev);
543
544 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
545 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp);
546 if (ret == 0) {
547 nouveau_display_create_properties(dev);
548 if (disp->disp.object.oclass < NV50_DISP)
549 ret = nv04_display_create(dev);
550 else
551 ret = nv50_display_create(dev);
552 }
553 } else {
554 ret = 0;
555 }
556
557 if (ret)
558 goto disp_create_err;
559
560 drm_mode_config_reset(dev);
561
562 if (dev->mode_config.num_crtc) {
563 ret = nouveau_display_vblank_init(dev);
564 if (ret)
565 goto vblank_err;
566 }
567
568 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
569#ifdef CONFIG_ACPI
570 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
571 register_acpi_notifier(&drm->acpi_nb);
572#endif
573
574 return 0;
575
576vblank_err:
577 disp->dtor(dev);
578disp_create_err:
579 drm_kms_helper_poll_fini(dev);
580 drm_mode_config_cleanup(dev);
581 return ret;
582}
583
584void
585nouveau_display_destroy(struct drm_device *dev)
586{
587 struct nouveau_display *disp = nouveau_display(dev);
588
589#ifdef CONFIG_ACPI
590 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
591#endif
592 nouveau_display_vblank_fini(dev);
593
594 drm_kms_helper_poll_fini(dev);
595 drm_mode_config_cleanup(dev);
596
597 if (disp->dtor)
598 disp->dtor(dev);
599
600 nvif_disp_dtor(&disp->disp);
601
602 nouveau_drm(dev)->display = NULL;
603 kfree(disp);
604}
605
606int
607nouveau_display_suspend(struct drm_device *dev, bool runtime)
608{
609 struct nouveau_display *disp = nouveau_display(dev);
610
611 if (drm_drv_uses_atomic_modeset(dev)) {
612 if (!runtime) {
613 disp->suspend = drm_atomic_helper_suspend(dev);
614 if (IS_ERR(disp->suspend)) {
615 int ret = PTR_ERR(disp->suspend);
616 disp->suspend = NULL;
617 return ret;
618 }
619 }
620 }
621
622 nouveau_display_fini(dev, true, runtime);
623 return 0;
624}
625
626void
627nouveau_display_resume(struct drm_device *dev, bool runtime)
628{
629 struct nouveau_display *disp = nouveau_display(dev);
630
631 nouveau_display_init(dev, true, runtime);
632
633 if (drm_drv_uses_atomic_modeset(dev)) {
634 if (disp->suspend) {
635 drm_atomic_helper_resume(dev, disp->suspend);
636 disp->suspend = NULL;
637 }
638 return;
639 }
640}
641
642int
643nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
644 struct drm_mode_create_dumb *args)
645{
646 struct nouveau_cli *cli = nouveau_cli(file_priv);
647 struct nouveau_bo *bo;
648 uint32_t domain;
649 int ret;
650
651 args->pitch = roundup(args->width * (args->bpp / 8), 256);
652 args->size = args->pitch * args->height;
653 args->size = roundup(args->size, PAGE_SIZE);
654
655 /* Use VRAM if there is any ; otherwise fallback to system memory */
656 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
657 domain = NOUVEAU_GEM_DOMAIN_VRAM;
658 else
659 domain = NOUVEAU_GEM_DOMAIN_GART;
660
661 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
662 if (ret)
663 return ret;
664
665 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
666 drm_gem_object_put_unlocked(&bo->bo.base);
667 return ret;
668}
669
670int
671nouveau_display_dumb_map_offset(struct drm_file *file_priv,
672 struct drm_device *dev,
673 uint32_t handle, uint64_t *poffset)
674{
675 struct drm_gem_object *gem;
676
677 gem = drm_gem_object_lookup(file_priv, handle);
678 if (gem) {
679 struct nouveau_bo *bo = nouveau_gem_object(gem);
680 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node);
681 drm_gem_object_put_unlocked(gem);
682 return 0;
683 }
684
685 return -ENOENT;
686}
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_crtc.h"
39#include "nouveau_gem.h"
40#include "nouveau_connector.h"
41#include "nv50_display.h"
42
43#include <nvif/class.h>
44#include <nvif/if0011.h>
45#include <nvif/if0013.h>
46#include <dispnv50/crc.h>
47
48int
49nouveau_display_vblank_enable(struct drm_crtc *crtc)
50{
51 struct nouveau_crtc *nv_crtc;
52
53 nv_crtc = nouveau_crtc(crtc);
54 nvif_event_allow(&nv_crtc->vblank);
55
56 return 0;
57}
58
59void
60nouveau_display_vblank_disable(struct drm_crtc *crtc)
61{
62 struct nouveau_crtc *nv_crtc;
63
64 nv_crtc = nouveau_crtc(crtc);
65 nvif_event_block(&nv_crtc->vblank);
66}
67
68static inline int
69calc(int blanks, int blanke, int total, int line)
70{
71 if (blanke >= blanks) {
72 if (line >= blanks)
73 line -= total;
74 } else {
75 if (line >= blanks)
76 line -= total;
77 line -= blanke + 1;
78 }
79 return line;
80}
81
82static bool
83nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
84 ktime_t *stime, ktime_t *etime)
85{
86 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
87 struct nvif_head *head = &nouveau_crtc(crtc)->head;
88 struct nvif_head_scanoutpos_v0 args;
89 int retry = 20;
90 bool ret = false;
91
92 args.version = 0;
93
94 do {
95 ret = nvif_mthd(&head->object, NVIF_HEAD_V0_SCANOUTPOS, &args, sizeof(args));
96 if (ret != 0)
97 return false;
98
99 if (args.vline) {
100 ret = true;
101 break;
102 }
103
104 if (retry) ndelay(vblank->linedur_ns);
105 } while (retry--);
106
107 *hpos = args.hline;
108 *vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline);
109 if (stime) *stime = ns_to_ktime(args.time[0]);
110 if (etime) *etime = ns_to_ktime(args.time[1]);
111
112 return ret;
113}
114
115bool
116nouveau_display_scanoutpos(struct drm_crtc *crtc,
117 bool in_vblank_irq, int *vpos, int *hpos,
118 ktime_t *stime, ktime_t *etime,
119 const struct drm_display_mode *mode)
120{
121 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
122 stime, etime);
123}
124
125static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
126 .destroy = drm_gem_fb_destroy,
127 .create_handle = drm_gem_fb_create_handle,
128};
129
130static void
131nouveau_decode_mod(struct nouveau_drm *drm,
132 uint64_t modifier,
133 uint32_t *tile_mode,
134 uint8_t *kind)
135{
136 struct nouveau_display *disp = nouveau_display(drm->dev);
137 BUG_ON(!tile_mode || !kind);
138
139 if (modifier == DRM_FORMAT_MOD_LINEAR) {
140 /* tile_mode will not be used in this case */
141 *tile_mode = 0;
142 *kind = 0;
143 } else {
144 /*
145 * Extract the block height and kind from the corresponding
146 * modifier fields. See drm_fourcc.h for details.
147 */
148
149 if ((modifier & (0xffull << 12)) == 0ull) {
150 /* Legacy modifier. Translate to this dev's 'kind.' */
151 modifier |= disp->format_modifiers[0] & (0xffull << 12);
152 }
153
154 *tile_mode = (uint32_t)(modifier & 0xF);
155 *kind = (uint8_t)((modifier >> 12) & 0xFF);
156
157 if (drm->client.device.info.chipset >= 0xc0)
158 *tile_mode <<= 4;
159 }
160}
161
162void
163nouveau_framebuffer_get_layout(struct drm_framebuffer *fb,
164 uint32_t *tile_mode,
165 uint8_t *kind)
166{
167 if (fb->flags & DRM_MODE_FB_MODIFIERS) {
168 struct nouveau_drm *drm = nouveau_drm(fb->dev);
169
170 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind);
171 } else {
172 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
173
174 *tile_mode = nvbo->mode;
175 *kind = nvbo->kind;
176 }
177}
178
179static const u64 legacy_modifiers[] = {
180 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0),
181 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1),
182 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2),
183 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3),
184 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4),
185 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5),
186 DRM_FORMAT_MOD_INVALID
187};
188
189static int
190nouveau_validate_decode_mod(struct nouveau_drm *drm,
191 uint64_t modifier,
192 uint32_t *tile_mode,
193 uint8_t *kind)
194{
195 struct nouveau_display *disp = nouveau_display(drm->dev);
196 int mod;
197
198 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
199 return -EINVAL;
200 }
201
202 BUG_ON(!disp->format_modifiers);
203
204 for (mod = 0;
205 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
206 (disp->format_modifiers[mod] != modifier);
207 mod++);
208
209 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) {
210 for (mod = 0;
211 (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
212 (legacy_modifiers[mod] != modifier);
213 mod++);
214 if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID)
215 return -EINVAL;
216 }
217
218 nouveau_decode_mod(drm, modifier, tile_mode, kind);
219
220 return 0;
221}
222
223static inline uint32_t
224nouveau_get_width_in_blocks(uint32_t stride)
225{
226 /* GOBs per block in the x direction is always one, and GOBs are
227 * 64 bytes wide
228 */
229 static const uint32_t log_block_width = 6;
230
231 return (stride + (1 << log_block_width) - 1) >> log_block_width;
232}
233
234static inline uint32_t
235nouveau_get_height_in_blocks(struct nouveau_drm *drm,
236 uint32_t height,
237 uint32_t log_block_height_in_gobs)
238{
239 uint32_t log_gob_height;
240 uint32_t log_block_height;
241
242 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
243
244 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
245 log_gob_height = 2;
246 else
247 log_gob_height = 3;
248
249 log_block_height = log_block_height_in_gobs + log_gob_height;
250
251 return (height + (1 << log_block_height) - 1) >> log_block_height;
252}
253
254static int
255nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo,
256 uint32_t offset, uint32_t stride, uint32_t h,
257 uint32_t tile_mode)
258{
259 uint32_t gob_size, bw, bh;
260 uint64_t bl_size;
261
262 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
263
264 if (drm->client.device.info.chipset >= 0xc0) {
265 if (tile_mode & 0xF)
266 return -EINVAL;
267 tile_mode >>= 4;
268 }
269
270 if (tile_mode & 0xFFFFFFF0)
271 return -EINVAL;
272
273 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
274 gob_size = 256;
275 else
276 gob_size = 512;
277
278 bw = nouveau_get_width_in_blocks(stride);
279 bh = nouveau_get_height_in_blocks(drm, h, tile_mode);
280
281 bl_size = bw * bh * (1 << tile_mode) * gob_size;
282
283 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",
284 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size,
285 nvbo->bo.base.size);
286
287 if (bl_size + offset > nvbo->bo.base.size)
288 return -ERANGE;
289
290 return 0;
291}
292
293int
294nouveau_framebuffer_new(struct drm_device *dev,
295 const struct drm_mode_fb_cmd2 *mode_cmd,
296 struct drm_gem_object *gem,
297 struct drm_framebuffer **pfb)
298{
299 struct nouveau_drm *drm = nouveau_drm(dev);
300 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
301 struct drm_framebuffer *fb;
302 const struct drm_format_info *info;
303 unsigned int height, i;
304 uint32_t tile_mode;
305 uint8_t kind;
306 int ret;
307
308 /* YUV overlays have special requirements pre-NV50 */
309 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
310
311 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
312 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
313 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
314 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
315 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
316 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
317 (mode_cmd->pitches[1] && /* pitches for planes must match */
318 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
319 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %p4cc; pitches: 0x%x\n 0x%x\n",
320 &mode_cmd->pixel_format,
321 mode_cmd->pitches[0], mode_cmd->pitches[1]);
322 return -EINVAL;
323 }
324
325 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
326 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0],
327 &tile_mode, &kind)) {
328 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n",
329 mode_cmd->modifier[0]);
330 return -EINVAL;
331 }
332 } else {
333 tile_mode = nvbo->mode;
334 kind = nvbo->kind;
335 }
336
337 info = drm_get_format_info(dev, mode_cmd);
338
339 for (i = 0; i < info->num_planes; i++) {
340 height = drm_format_info_plane_height(info,
341 mode_cmd->height,
342 i);
343
344 if (kind) {
345 ret = nouveau_check_bl_size(drm, nvbo,
346 mode_cmd->offsets[i],
347 mode_cmd->pitches[i],
348 height, tile_mode);
349 if (ret)
350 return ret;
351 } else {
352 uint32_t size = mode_cmd->pitches[i] * height;
353
354 if (size + mode_cmd->offsets[i] > nvbo->bo.base.size)
355 return -ERANGE;
356 }
357 }
358
359 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
360 return -ENOMEM;
361
362 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
363 fb->obj[0] = gem;
364
365 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
366 if (ret)
367 kfree(fb);
368 return ret;
369}
370
371struct drm_framebuffer *
372nouveau_user_framebuffer_create(struct drm_device *dev,
373 struct drm_file *file_priv,
374 const struct drm_mode_fb_cmd2 *mode_cmd)
375{
376 struct drm_framebuffer *fb;
377 struct drm_gem_object *gem;
378 int ret;
379
380 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
381 if (!gem)
382 return ERR_PTR(-ENOENT);
383
384 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb);
385 if (ret == 0)
386 return fb;
387
388 drm_gem_object_put(gem);
389 return ERR_PTR(ret);
390}
391
392static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
393 .fb_create = nouveau_user_framebuffer_create,
394 .output_poll_changed = drm_fb_helper_output_poll_changed,
395};
396
397
398struct nouveau_drm_prop_enum_list {
399 u8 gen_mask;
400 int type;
401 char *name;
402};
403
404static struct nouveau_drm_prop_enum_list underscan[] = {
405 { 6, UNDERSCAN_AUTO, "auto" },
406 { 6, UNDERSCAN_OFF, "off" },
407 { 6, UNDERSCAN_ON, "on" },
408 {}
409};
410
411static struct nouveau_drm_prop_enum_list dither_mode[] = {
412 { 7, DITHERING_MODE_AUTO, "auto" },
413 { 7, DITHERING_MODE_OFF, "off" },
414 { 1, DITHERING_MODE_ON, "on" },
415 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
416 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
417 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
418 {}
419};
420
421static struct nouveau_drm_prop_enum_list dither_depth[] = {
422 { 6, DITHERING_DEPTH_AUTO, "auto" },
423 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
424 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
425 {}
426};
427
428#define PROP_ENUM(p,gen,n,list) do { \
429 struct nouveau_drm_prop_enum_list *l = (list); \
430 int c = 0; \
431 while (l->gen_mask) { \
432 if (l->gen_mask & (1 << (gen))) \
433 c++; \
434 l++; \
435 } \
436 if (c) { \
437 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
438 l = (list); \
439 while (p && l->gen_mask) { \
440 if (l->gen_mask & (1 << (gen))) { \
441 drm_property_add_enum(p, l->type, l->name); \
442 } \
443 l++; \
444 } \
445 } \
446} while(0)
447
448void
449nouveau_display_hpd_resume(struct drm_device *dev)
450{
451 struct nouveau_drm *drm = nouveau_drm(dev);
452
453 spin_lock_irq(&drm->hpd_lock);
454 drm->hpd_pending = ~0;
455 spin_unlock_irq(&drm->hpd_lock);
456
457 schedule_work(&drm->hpd_work);
458}
459
460static void
461nouveau_display_hpd_work(struct work_struct *work)
462{
463 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
464 struct drm_device *dev = drm->dev;
465 struct drm_connector *connector;
466 struct drm_connector_list_iter conn_iter;
467 u32 pending;
468 int changed = 0;
469 struct drm_connector *first_changed_connector = NULL;
470
471 pm_runtime_get_sync(dev->dev);
472
473 spin_lock_irq(&drm->hpd_lock);
474 pending = drm->hpd_pending;
475 drm->hpd_pending = 0;
476 spin_unlock_irq(&drm->hpd_lock);
477
478 /* Nothing to do, exit early without updating the last busy counter */
479 if (!pending)
480 goto noop;
481
482 mutex_lock(&dev->mode_config.mutex);
483 drm_connector_list_iter_begin(dev, &conn_iter);
484
485 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
486 struct nouveau_connector *nv_connector = nouveau_connector(connector);
487 enum drm_connector_status old_status = connector->status;
488 u64 bits, old_epoch_counter = connector->epoch_counter;
489
490 if (!(pending & drm_connector_mask(connector)))
491 continue;
492
493 spin_lock_irq(&drm->hpd_lock);
494 bits = nv_connector->hpd_pending;
495 nv_connector->hpd_pending = 0;
496 spin_unlock_irq(&drm->hpd_lock);
497
498 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] plug:%d unplug:%d irq:%d\n",
499 connector->base.id, connector->name,
500 !!(bits & NVIF_CONN_EVENT_V0_PLUG),
501 !!(bits & NVIF_CONN_EVENT_V0_UNPLUG),
502 !!(bits & NVIF_CONN_EVENT_V0_IRQ));
503
504 if (bits & NVIF_CONN_EVENT_V0_IRQ) {
505 if (nouveau_dp_link_check(nv_connector))
506 continue;
507 }
508
509 connector->status = drm_helper_probe_detect(connector, NULL, false);
510 if (old_epoch_counter == connector->epoch_counter)
511 continue;
512
513 changed++;
514 if (!first_changed_connector) {
515 drm_connector_get(connector);
516 first_changed_connector = connector;
517 }
518
519 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n",
520 connector->base.id, connector->name,
521 drm_get_connector_status_name(old_status),
522 drm_get_connector_status_name(connector->status),
523 old_epoch_counter, connector->epoch_counter);
524 }
525
526 drm_connector_list_iter_end(&conn_iter);
527 mutex_unlock(&dev->mode_config.mutex);
528
529 if (changed == 1)
530 drm_kms_helper_connector_hotplug_event(first_changed_connector);
531 else if (changed > 0)
532 drm_kms_helper_hotplug_event(dev);
533
534 if (first_changed_connector)
535 drm_connector_put(first_changed_connector);
536
537 pm_runtime_mark_last_busy(drm->dev->dev);
538noop:
539 pm_runtime_put_autosuspend(dev->dev);
540}
541
542#ifdef CONFIG_ACPI
543
544static int
545nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
546 void *data)
547{
548 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
549 struct acpi_bus_event *info = data;
550 int ret;
551
552 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
553 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
554 ret = pm_runtime_get(drm->dev->dev);
555 if (ret == 1 || ret == -EACCES) {
556 /* If the GPU is already awake, or in a state
557 * where we can't wake it up, it can handle
558 * it's own hotplug events.
559 */
560 pm_runtime_put_autosuspend(drm->dev->dev);
561 } else if (ret == 0 || ret == -EINPROGRESS) {
562 /* We've started resuming the GPU already, so
563 * it will handle scheduling a full reprobe
564 * itself
565 */
566 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
567 pm_runtime_put_noidle(drm->dev->dev);
568 } else {
569 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
570 ret);
571 }
572
573 /* acpi-video should not generate keypresses for this */
574 return NOTIFY_BAD;
575 }
576 }
577
578 return NOTIFY_DONE;
579}
580#endif
581
582int
583nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
584{
585 struct nouveau_display *disp = nouveau_display(dev);
586 struct drm_connector *connector;
587 struct drm_connector_list_iter conn_iter;
588 int ret;
589
590 /*
591 * Enable hotplug interrupts (done as early as possible, since we need
592 * them for MST)
593 */
594 drm_connector_list_iter_begin(dev, &conn_iter);
595 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
596 struct nouveau_connector *conn = nouveau_connector(connector);
597 nvif_event_allow(&conn->hpd);
598 nvif_event_allow(&conn->irq);
599 }
600 drm_connector_list_iter_end(&conn_iter);
601
602 ret = disp->init(dev, resume, runtime);
603 if (ret)
604 return ret;
605
606 /* enable connector detection and polling for connectors without HPD
607 * support
608 */
609 drm_kms_helper_poll_enable(dev);
610
611 return ret;
612}
613
614void
615nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
616{
617 struct nouveau_display *disp = nouveau_display(dev);
618 struct nouveau_drm *drm = nouveau_drm(dev);
619 struct drm_connector *connector;
620 struct drm_connector_list_iter conn_iter;
621
622 if (!suspend) {
623 if (drm_drv_uses_atomic_modeset(dev))
624 drm_atomic_helper_shutdown(dev);
625 else
626 drm_helper_force_disable_all(dev);
627 }
628
629 /* disable hotplug interrupts */
630 drm_connector_list_iter_begin(dev, &conn_iter);
631 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
632 struct nouveau_connector *conn = nouveau_connector(connector);
633 nvif_event_block(&conn->irq);
634 nvif_event_block(&conn->hpd);
635 }
636 drm_connector_list_iter_end(&conn_iter);
637
638 if (!runtime)
639 cancel_work_sync(&drm->hpd_work);
640
641 drm_kms_helper_poll_disable(dev);
642 disp->fini(dev, runtime, suspend);
643}
644
645static void
646nouveau_display_create_properties(struct drm_device *dev)
647{
648 struct nouveau_display *disp = nouveau_display(dev);
649 int gen;
650
651 if (disp->disp.object.oclass < NV50_DISP)
652 gen = 0;
653 else
654 if (disp->disp.object.oclass < GF110_DISP)
655 gen = 1;
656 else
657 gen = 2;
658
659 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
660 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
661 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
662
663 disp->underscan_hborder_property =
664 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
665
666 disp->underscan_vborder_property =
667 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
668
669 if (gen < 1)
670 return;
671
672 /* -90..+90 */
673 disp->vibrant_hue_property =
674 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
675
676 /* -100..+100 */
677 disp->color_vibrance_property =
678 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
679}
680
681int
682nouveau_display_create(struct drm_device *dev)
683{
684 struct nouveau_drm *drm = nouveau_drm(dev);
685 struct nouveau_display *disp;
686 int ret;
687
688 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
689 if (!disp)
690 return -ENOMEM;
691
692 drm_mode_config_init(dev);
693 drm_mode_create_scaling_mode_property(dev);
694 drm_mode_create_dvi_i_properties(dev);
695
696 dev->mode_config.funcs = &nouveau_mode_config_funcs;
697
698 dev->mode_config.min_width = 0;
699 dev->mode_config.min_height = 0;
700 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
701 dev->mode_config.max_width = 2048;
702 dev->mode_config.max_height = 2048;
703 } else
704 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
705 dev->mode_config.max_width = 4096;
706 dev->mode_config.max_height = 4096;
707 } else
708 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
709 dev->mode_config.max_width = 8192;
710 dev->mode_config.max_height = 8192;
711 } else {
712 dev->mode_config.max_width = 16384;
713 dev->mode_config.max_height = 16384;
714 }
715
716 dev->mode_config.preferred_depth = 24;
717 dev->mode_config.prefer_shadow = 1;
718
719 if (drm->client.device.info.chipset < 0x11)
720 dev->mode_config.async_page_flip = false;
721 else
722 dev->mode_config.async_page_flip = true;
723
724 drm_kms_helper_poll_init(dev);
725 drm_kms_helper_poll_disable(dev);
726
727 if (nouveau_modeset != 2) {
728 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0, &disp->disp);
729 /* no display hw */
730 if (ret == -ENODEV) {
731 ret = 0;
732 goto disp_create_err;
733 }
734
735 if (!ret && (disp->disp.outp_mask || drm->vbios.dcb.entries)) {
736 nouveau_display_create_properties(dev);
737 if (disp->disp.object.oclass < NV50_DISP) {
738 dev->mode_config.fb_modifiers_not_supported = true;
739 ret = nv04_display_create(dev);
740 } else {
741 ret = nv50_display_create(dev);
742 }
743 }
744 } else {
745 ret = 0;
746 }
747
748 if (ret)
749 goto disp_create_err;
750
751 drm_mode_config_reset(dev);
752
753 if (dev->mode_config.num_crtc) {
754 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
755 if (ret)
756 goto vblank_err;
757
758 if (disp->disp.object.oclass >= NV50_DISP)
759 nv50_crc_init(dev);
760 }
761
762 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
763 spin_lock_init(&drm->hpd_lock);
764#ifdef CONFIG_ACPI
765 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
766 register_acpi_notifier(&drm->acpi_nb);
767#endif
768
769 return 0;
770
771vblank_err:
772 disp->dtor(dev);
773disp_create_err:
774 drm_kms_helper_poll_fini(dev);
775 drm_mode_config_cleanup(dev);
776 return ret;
777}
778
779void
780nouveau_display_destroy(struct drm_device *dev)
781{
782 struct nouveau_display *disp = nouveau_display(dev);
783 struct nouveau_drm *drm = nouveau_drm(dev);
784
785#ifdef CONFIG_ACPI
786 unregister_acpi_notifier(&drm->acpi_nb);
787#endif
788
789 drm_kms_helper_poll_fini(dev);
790 drm_mode_config_cleanup(dev);
791
792 if (disp->dtor)
793 disp->dtor(dev);
794
795 nvif_disp_dtor(&disp->disp);
796
797 drm->display = NULL;
798 kfree(disp);
799}
800
801int
802nouveau_display_suspend(struct drm_device *dev, bool runtime)
803{
804 struct nouveau_display *disp = nouveau_display(dev);
805
806 /* Disable console. */
807 drm_fb_helper_set_suspend_unlocked(dev->fb_helper, true);
808
809 if (drm_drv_uses_atomic_modeset(dev)) {
810 if (!runtime) {
811 disp->suspend = drm_atomic_helper_suspend(dev);
812 if (IS_ERR(disp->suspend)) {
813 int ret = PTR_ERR(disp->suspend);
814 disp->suspend = NULL;
815 return ret;
816 }
817 }
818 }
819
820 nouveau_display_fini(dev, true, runtime);
821 return 0;
822}
823
824void
825nouveau_display_resume(struct drm_device *dev, bool runtime)
826{
827 struct nouveau_display *disp = nouveau_display(dev);
828
829 nouveau_display_init(dev, true, runtime);
830
831 if (drm_drv_uses_atomic_modeset(dev)) {
832 if (disp->suspend) {
833 drm_atomic_helper_resume(dev, disp->suspend);
834 disp->suspend = NULL;
835 }
836 }
837
838 /* Enable console. */
839 drm_fb_helper_set_suspend_unlocked(dev->fb_helper, false);
840}
841
842int
843nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
844 struct drm_mode_create_dumb *args)
845{
846 struct nouveau_cli *cli = nouveau_cli(file_priv);
847 struct nouveau_bo *bo;
848 uint32_t domain;
849 int ret;
850
851 args->pitch = roundup(args->width * (args->bpp / 8), 256);
852 args->size = args->pitch * args->height;
853 args->size = roundup(args->size, PAGE_SIZE);
854
855 /* Use VRAM if there is any ; otherwise fallback to system memory */
856 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
857 domain = NOUVEAU_GEM_DOMAIN_VRAM;
858 else
859 domain = NOUVEAU_GEM_DOMAIN_GART;
860
861 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
862 if (ret)
863 return ret;
864
865 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
866 drm_gem_object_put(&bo->bo.base);
867 return ret;
868}