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Merge tag 'kvm-x86-generic-6.8' of https://github.com/kvm-x86/linux into HEAD
[thirdparty/kernel/stable.git] / drivers / gpu / drm / nouveau / nouveau_display.c
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
48 int
49 nouveau_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
59 void
60 nouveau_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
68 static inline int
69 calc(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
82 static bool
83 nouveau_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
115 bool
116 nouveau_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
125 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
126 .destroy = drm_gem_fb_destroy,
127 .create_handle = drm_gem_fb_create_handle,
128 };
129
130 static void
131 nouveau_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
162 void
163 nouveau_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
179 static 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
189 static int
190 nouveau_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
223 static inline uint32_t
224 nouveau_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
234 static inline uint32_t
235 nouveau_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
254 static int
255 nouveau_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
293 int
294 nouveau_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
371 struct drm_framebuffer *
372 nouveau_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
392 static 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
398 struct nouveau_drm_prop_enum_list {
399 u8 gen_mask;
400 int type;
401 char *name;
402 };
403
404 static 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
411 static 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
421 static 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
448 void
449 nouveau_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
460 static void
461 nouveau_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);
538 noop:
539 pm_runtime_put_autosuspend(dev->dev);
540 }
541
542 #ifdef CONFIG_ACPI
543
544 static int
545 nouveau_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
582 int
583 nouveau_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
614 void
615 nouveau_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
645 static void
646 nouveau_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
681 int
682 nouveau_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
771 vblank_err:
772 disp->dtor(dev);
773 disp_create_err:
774 drm_kms_helper_poll_fini(dev);
775 drm_mode_config_cleanup(dev);
776 return ret;
777 }
778
779 void
780 nouveau_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
801 int
802 nouveau_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
824 void
825 nouveau_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
842 int
843 nouveau_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 }
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git