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_client_event.h>
32 #include <drm/drm_crtc_helper.h>
33 #include <drm/drm_dumb_buffers.h>
34 #include <drm/drm_fourcc.h>
35 #include <drm/drm_gem_framebuffer_helper.h>
36 #include <drm/drm_probe_helper.h>
37 #include <drm/drm_vblank.h>
38
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/if0011.h>
46 #include <nvif/if0013.h>
47 #include <dispnv50/crc.h>
48 #include <dispnv50/tile.h>
49
50 int
nouveau_display_vblank_enable(struct drm_crtc * crtc)51 nouveau_display_vblank_enable(struct drm_crtc *crtc)
52 {
53 struct nouveau_crtc *nv_crtc;
54
55 nv_crtc = nouveau_crtc(crtc);
56 nvif_event_allow(&nv_crtc->vblank);
57
58 return 0;
59 }
60
61 void
nouveau_display_vblank_disable(struct drm_crtc * crtc)62 nouveau_display_vblank_disable(struct drm_crtc *crtc)
63 {
64 struct nouveau_crtc *nv_crtc;
65
66 nv_crtc = nouveau_crtc(crtc);
67 nvif_event_block(&nv_crtc->vblank);
68 }
69
70 static inline int
calc(int blanks,int blanke,int total,int line)71 calc(int blanks, int blanke, int total, int line)
72 {
73 if (blanke >= blanks) {
74 if (line >= blanks)
75 line -= total;
76 } else {
77 if (line >= blanks)
78 line -= total;
79 line -= blanke + 1;
80 }
81 return line;
82 }
83
84 static bool
nouveau_display_scanoutpos_head(struct drm_crtc * crtc,int * vpos,int * hpos,ktime_t * stime,ktime_t * etime)85 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
86 ktime_t *stime, ktime_t *etime)
87 {
88 struct drm_vblank_crtc *vblank = drm_crtc_vblank_crtc(crtc);
89 struct nvif_head *head = &nouveau_crtc(crtc)->head;
90 struct nvif_head_scanoutpos_v0 args;
91 int retry = 20;
92 bool ret = false;
93
94 args.version = 0;
95
96 do {
97 ret = nvif_mthd(&head->object, NVIF_HEAD_V0_SCANOUTPOS, &args, sizeof(args));
98 if (ret != 0)
99 return false;
100
101 if (args.vline) {
102 ret = true;
103 break;
104 }
105
106 if (retry) ndelay(vblank->linedur_ns);
107 } while (retry--);
108
109 *hpos = args.hline;
110 *vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline);
111 if (stime) *stime = ns_to_ktime(args.time[0]);
112 if (etime) *etime = ns_to_ktime(args.time[1]);
113
114 return ret;
115 }
116
117 bool
nouveau_display_scanoutpos(struct drm_crtc * crtc,bool in_vblank_irq,int * vpos,int * hpos,ktime_t * stime,ktime_t * etime,const struct drm_display_mode * mode)118 nouveau_display_scanoutpos(struct drm_crtc *crtc,
119 bool in_vblank_irq, int *vpos, int *hpos,
120 ktime_t *stime, ktime_t *etime,
121 const struct drm_display_mode *mode)
122 {
123 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
124 stime, etime);
125 }
126
127 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
128 .destroy = drm_gem_fb_destroy,
129 .create_handle = drm_gem_fb_create_handle,
130 };
131
132 static void
nouveau_decode_mod(struct nouveau_drm * drm,uint64_t modifier,uint32_t * tile_mode,uint8_t * kind)133 nouveau_decode_mod(struct nouveau_drm *drm,
134 uint64_t modifier,
135 uint32_t *tile_mode,
136 uint8_t *kind)
137 {
138 struct nouveau_display *disp = nouveau_display(drm->dev);
139 BUG_ON(!tile_mode || !kind);
140
141 if (modifier == DRM_FORMAT_MOD_LINEAR) {
142 /* tile_mode will not be used in this case */
143 *tile_mode = 0;
144 *kind = 0;
145 } else {
146 /*
147 * Extract the block height and kind from the corresponding
148 * modifier fields. See drm_fourcc.h for details.
149 */
150
151 if ((modifier & (0xffull << 12)) == 0ull) {
152 /* Legacy modifier. Translate to this dev's 'kind.' */
153 modifier |= disp->format_modifiers[0] & (0xffull << 12);
154 }
155
156 *tile_mode = (uint32_t)(modifier & 0xF);
157 *kind = (uint8_t)((modifier >> 12) & 0xFF);
158
159 if (drm->client.device.info.chipset >= 0xc0)
160 *tile_mode <<= 4;
161 }
162 }
163
164 void
nouveau_framebuffer_get_layout(struct drm_framebuffer * fb,uint32_t * tile_mode,uint8_t * kind)165 nouveau_framebuffer_get_layout(struct drm_framebuffer *fb,
166 uint32_t *tile_mode,
167 uint8_t *kind)
168 {
169 if (fb->flags & DRM_MODE_FB_MODIFIERS) {
170 struct nouveau_drm *drm = nouveau_drm(fb->dev);
171
172 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind);
173 } else {
174 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
175
176 *tile_mode = nvbo->mode;
177 *kind = nvbo->kind;
178 }
179 }
180
181 static const u64 legacy_modifiers[] = {
182 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0),
183 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1),
184 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2),
185 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3),
186 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4),
187 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5),
188 DRM_FORMAT_MOD_INVALID
189 };
190
191 static int
nouveau_validate_decode_mod(struct nouveau_drm * drm,uint64_t modifier,uint32_t * tile_mode,uint8_t * kind)192 nouveau_validate_decode_mod(struct nouveau_drm *drm,
193 uint64_t modifier,
194 uint32_t *tile_mode,
195 uint8_t *kind)
196 {
197 struct nouveau_display *disp = nouveau_display(drm->dev);
198 int mod;
199
200 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
201 return -EINVAL;
202 }
203
204 BUG_ON(!disp->format_modifiers);
205
206 for (mod = 0;
207 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
208 (disp->format_modifiers[mod] != modifier);
209 mod++);
210
211 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) {
212 for (mod = 0;
213 (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
214 (legacy_modifiers[mod] != modifier);
215 mod++);
216 if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID)
217 return -EINVAL;
218 }
219
220 nouveau_decode_mod(drm, modifier, tile_mode, kind);
221
222 return 0;
223 }
224
225 static int
nouveau_check_bl_size(struct nouveau_drm * drm,struct nouveau_bo * nvbo,uint32_t offset,uint32_t stride,uint32_t h,uint32_t tile_mode)226 nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo,
227 uint32_t offset, uint32_t stride, uint32_t h,
228 uint32_t tile_mode)
229 {
230 uint32_t gob_size, bw, bh, gobs_in_block;
231 uint64_t bl_size;
232
233 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
234
235 if (nouveau_check_tile_mode(tile_mode, drm->client.device.info.chipset))
236 return -EINVAL;
237
238 gobs_in_block = nouveau_get_gobs_in_block(tile_mode, drm->client.device.info.chipset);
239 bw = nouveau_get_width_in_blocks(stride);
240 bh = nouveau_get_height_in_blocks(h, gobs_in_block, drm->client.device.info.family);
241 gob_size = nouveau_get_gob_size(drm->client.device.info.family);
242
243 bl_size = bw * bh * gobs_in_block * gob_size;
244
245 DRM_DEBUG_KMS("offset=%u stride=%u h=%u gobs_in_block=%u bw=%u bh=%u gob_size=%u bl_size=%llu size=%zu\n",
246 offset, stride, h, gobs_in_block, bw, bh, gob_size,
247 bl_size, nvbo->bo.base.size);
248
249 if (bl_size + offset > nvbo->bo.base.size)
250 return -ERANGE;
251
252 return 0;
253 }
254
255 int
nouveau_framebuffer_new(struct drm_device * dev,const struct drm_format_info * info,const struct drm_mode_fb_cmd2 * mode_cmd,struct drm_gem_object * gem,struct drm_framebuffer ** pfb)256 nouveau_framebuffer_new(struct drm_device *dev,
257 const struct drm_format_info *info,
258 const struct drm_mode_fb_cmd2 *mode_cmd,
259 struct drm_gem_object *gem,
260 struct drm_framebuffer **pfb)
261 {
262 struct nouveau_drm *drm = nouveau_drm(dev);
263 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
264 struct drm_framebuffer *fb;
265 unsigned int height, i;
266 uint32_t tile_mode;
267 uint8_t kind;
268 int ret;
269
270 /* YUV overlays have special requirements pre-NV50 */
271 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
272
273 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
274 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
275 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
276 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
277 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
278 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
279 (mode_cmd->pitches[1] && /* pitches for planes must match */
280 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
281 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %p4cc; pitches: 0x%x\n 0x%x\n",
282 &mode_cmd->pixel_format,
283 mode_cmd->pitches[0], mode_cmd->pitches[1]);
284 return -EINVAL;
285 }
286
287 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
288 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0],
289 &tile_mode, &kind)) {
290 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n",
291 mode_cmd->modifier[0]);
292 return -EINVAL;
293 }
294 } else {
295 tile_mode = nvbo->mode;
296 kind = nvbo->kind;
297 }
298
299 for (i = 0; i < info->num_planes; i++) {
300 height = drm_format_info_plane_height(info,
301 mode_cmd->height,
302 i);
303
304 if (kind) {
305 ret = nouveau_check_bl_size(drm, nvbo,
306 mode_cmd->offsets[i],
307 mode_cmd->pitches[i],
308 height, tile_mode);
309 if (ret)
310 return ret;
311 } else {
312 uint32_t size = mode_cmd->pitches[i] * height;
313
314 if (size + mode_cmd->offsets[i] > nvbo->bo.base.size)
315 return -ERANGE;
316 }
317 }
318
319 if (!(fb = *pfb = kzalloc_obj(*fb)))
320 return -ENOMEM;
321
322 drm_helper_mode_fill_fb_struct(dev, fb, info, mode_cmd);
323 fb->obj[0] = gem;
324
325 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
326 if (ret)
327 kfree(fb);
328 return ret;
329 }
330
331 struct drm_framebuffer *
nouveau_user_framebuffer_create(struct drm_device * dev,struct drm_file * file_priv,const struct drm_format_info * info,const struct drm_mode_fb_cmd2 * mode_cmd)332 nouveau_user_framebuffer_create(struct drm_device *dev,
333 struct drm_file *file_priv,
334 const struct drm_format_info *info,
335 const struct drm_mode_fb_cmd2 *mode_cmd)
336 {
337 struct drm_framebuffer *fb;
338 struct drm_gem_object *gem;
339 int ret;
340
341 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
342 if (!gem)
343 return ERR_PTR(-ENOENT);
344
345 ret = nouveau_framebuffer_new(dev, info, mode_cmd, gem, &fb);
346 if (ret == 0)
347 return fb;
348
349 drm_gem_object_put(gem);
350 return ERR_PTR(ret);
351 }
352
353 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
354 .fb_create = nouveau_user_framebuffer_create,
355 };
356
357
358 struct nouveau_drm_prop_enum_list {
359 u8 gen_mask;
360 int type;
361 char *name;
362 };
363
364 static struct nouveau_drm_prop_enum_list underscan[] = {
365 { 6, UNDERSCAN_AUTO, "auto" },
366 { 6, UNDERSCAN_OFF, "off" },
367 { 6, UNDERSCAN_ON, "on" },
368 {}
369 };
370
371 static struct nouveau_drm_prop_enum_list dither_mode[] = {
372 { 7, DITHERING_MODE_AUTO, "auto" },
373 { 7, DITHERING_MODE_OFF, "off" },
374 { 1, DITHERING_MODE_ON, "on" },
375 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
376 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
377 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
378 {}
379 };
380
381 static struct nouveau_drm_prop_enum_list dither_depth[] = {
382 { 6, DITHERING_DEPTH_AUTO, "auto" },
383 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
384 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
385 {}
386 };
387
388 #define PROP_ENUM(p,gen,n,list) do { \
389 struct nouveau_drm_prop_enum_list *l = (list); \
390 int c = 0; \
391 while (l->gen_mask) { \
392 if (l->gen_mask & (1 << (gen))) \
393 c++; \
394 l++; \
395 } \
396 if (c) { \
397 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
398 l = (list); \
399 while (p && l->gen_mask) { \
400 if (l->gen_mask & (1 << (gen))) { \
401 drm_property_add_enum(p, l->type, l->name); \
402 } \
403 l++; \
404 } \
405 } \
406 } while(0)
407
408 void
nouveau_display_hpd_resume(struct nouveau_drm * drm)409 nouveau_display_hpd_resume(struct nouveau_drm *drm)
410 {
411 if (drm->headless)
412 return;
413
414 spin_lock_irq(&drm->hpd_lock);
415 drm->hpd_pending = ~0;
416 spin_unlock_irq(&drm->hpd_lock);
417
418 schedule_work(&drm->hpd_work);
419 }
420
421 static void
nouveau_display_hpd_work(struct work_struct * work)422 nouveau_display_hpd_work(struct work_struct *work)
423 {
424 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
425 struct drm_device *dev = drm->dev;
426 struct drm_connector *connector;
427 struct drm_connector_list_iter conn_iter;
428 u32 pending;
429 int changed = 0;
430 struct drm_connector *first_changed_connector = NULL;
431
432 pm_runtime_get_sync(dev->dev);
433
434 spin_lock_irq(&drm->hpd_lock);
435 pending = drm->hpd_pending;
436 drm->hpd_pending = 0;
437 spin_unlock_irq(&drm->hpd_lock);
438
439 /* Nothing to do, exit early without updating the last busy counter */
440 if (!pending)
441 goto noop;
442
443 mutex_lock(&dev->mode_config.mutex);
444 drm_connector_list_iter_begin(dev, &conn_iter);
445
446 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
447 struct nouveau_connector *nv_connector = nouveau_connector(connector);
448 enum drm_connector_status old_status = connector->status;
449 u64 bits, old_epoch_counter = connector->epoch_counter;
450
451 if (!(pending & drm_connector_mask(connector)))
452 continue;
453
454 spin_lock_irq(&drm->hpd_lock);
455 bits = nv_connector->hpd_pending;
456 nv_connector->hpd_pending = 0;
457 spin_unlock_irq(&drm->hpd_lock);
458
459 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] plug:%d unplug:%d irq:%d\n",
460 connector->base.id, connector->name,
461 !!(bits & NVIF_CONN_EVENT_V0_PLUG),
462 !!(bits & NVIF_CONN_EVENT_V0_UNPLUG),
463 !!(bits & NVIF_CONN_EVENT_V0_IRQ));
464
465 if (bits & NVIF_CONN_EVENT_V0_IRQ) {
466 if (nouveau_dp_link_check(nv_connector))
467 continue;
468 }
469
470 connector->status = drm_helper_probe_detect(connector, NULL, false);
471 if (old_epoch_counter == connector->epoch_counter)
472 continue;
473
474 changed++;
475 if (!first_changed_connector) {
476 drm_connector_get(connector);
477 first_changed_connector = connector;
478 }
479
480 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n",
481 connector->base.id, connector->name,
482 drm_get_connector_status_name(old_status),
483 drm_get_connector_status_name(connector->status),
484 old_epoch_counter, connector->epoch_counter);
485 }
486
487 drm_connector_list_iter_end(&conn_iter);
488 mutex_unlock(&dev->mode_config.mutex);
489
490 if (changed == 1)
491 drm_kms_helper_connector_hotplug_event(first_changed_connector);
492 else if (changed > 0)
493 drm_kms_helper_hotplug_event(dev);
494
495 if (first_changed_connector)
496 drm_connector_put(first_changed_connector);
497
498 pm_runtime_mark_last_busy(dev->dev);
499 noop:
500 pm_runtime_put_autosuspend(dev->dev);
501 }
502
503 #ifdef CONFIG_ACPI
504
505 static int
nouveau_display_acpi_ntfy(struct notifier_block * nb,unsigned long val,void * data)506 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
507 void *data)
508 {
509 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
510 struct acpi_bus_event *info = data;
511 int ret;
512
513 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
514 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
515 ret = pm_runtime_get(drm->dev->dev);
516 if (ret == 1 || ret == -EACCES) {
517 /* If the GPU is already awake, or in a state
518 * where we can't wake it up, it can handle
519 * it's own hotplug events.
520 */
521 pm_runtime_put_autosuspend(drm->dev->dev);
522 } else if (ret == 0 || ret == -EINPROGRESS) {
523 /* We've started resuming the GPU already, so
524 * it will handle scheduling a full reprobe
525 * itself
526 */
527 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
528 pm_runtime_put_noidle(drm->dev->dev);
529 } else {
530 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
531 ret);
532 }
533
534 /* acpi-video should not generate keypresses for this */
535 return NOTIFY_BAD;
536 }
537 }
538
539 return NOTIFY_DONE;
540 }
541 #endif
542
543 int
nouveau_display_init(struct drm_device * dev,bool resume,bool runtime)544 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
545 {
546 struct nouveau_display *disp = nouveau_display(dev);
547 struct drm_connector *connector;
548 struct drm_connector_list_iter conn_iter;
549 int ret;
550
551 /*
552 * Enable hotplug interrupts (done as early as possible, since we need
553 * them for MST)
554 */
555 drm_connector_list_iter_begin(dev, &conn_iter);
556 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
557 struct nouveau_connector *conn = nouveau_connector(connector);
558 nvif_event_allow(&conn->hpd);
559 nvif_event_allow(&conn->irq);
560 }
561 drm_connector_list_iter_end(&conn_iter);
562
563 ret = disp->init(dev, resume, runtime);
564 if (ret)
565 return ret;
566
567 /* enable connector detection and polling for connectors without HPD
568 * support
569 */
570 drm_kms_helper_poll_enable(dev);
571
572 return ret;
573 }
574
575 void
nouveau_display_fini(struct drm_device * dev,bool suspend,bool runtime)576 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
577 {
578 struct nouveau_display *disp = nouveau_display(dev);
579 struct nouveau_drm *drm = nouveau_drm(dev);
580 struct drm_connector *connector;
581 struct drm_connector_list_iter conn_iter;
582
583 if (!suspend) {
584 if (drm_drv_uses_atomic_modeset(dev))
585 drm_atomic_helper_shutdown(dev);
586 else
587 drm_helper_force_disable_all(dev);
588 }
589
590 /* disable hotplug interrupts */
591 drm_connector_list_iter_begin(dev, &conn_iter);
592 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
593 struct nouveau_connector *conn = nouveau_connector(connector);
594 nvif_event_block(&conn->irq);
595 nvif_event_block(&conn->hpd);
596 }
597 drm_connector_list_iter_end(&conn_iter);
598
599 if (!runtime && !drm->headless)
600 cancel_work_sync(&drm->hpd_work);
601
602 drm_kms_helper_poll_disable(dev);
603 disp->fini(dev, runtime, suspend);
604 }
605
606 static void
nouveau_display_create_properties(struct drm_device * dev)607 nouveau_display_create_properties(struct drm_device *dev)
608 {
609 struct nouveau_display *disp = nouveau_display(dev);
610 int gen;
611
612 if (disp->disp.object.oclass < NV50_DISP)
613 gen = 0;
614 else
615 if (disp->disp.object.oclass < GF110_DISP)
616 gen = 1;
617 else
618 gen = 2;
619
620 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
621 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
622 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
623
624 disp->underscan_hborder_property =
625 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
626
627 disp->underscan_vborder_property =
628 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
629
630 if (gen < 1)
631 return;
632
633 /* -90..+90 */
634 disp->vibrant_hue_property =
635 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
636
637 /* -100..+100 */
638 disp->color_vibrance_property =
639 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
640 }
641
642 int
nouveau_display_create(struct drm_device * dev)643 nouveau_display_create(struct drm_device *dev)
644 {
645 struct nouveau_drm *drm = nouveau_drm(dev);
646 struct nouveau_display *disp;
647 int ret;
648
649 disp = drm->display = kzalloc_obj(*disp);
650 if (!disp)
651 return -ENOMEM;
652
653 drm_mode_config_init(dev);
654 drm_mode_create_scaling_mode_property(dev);
655 drm_mode_create_dvi_i_properties(dev);
656
657 dev->mode_config.funcs = &nouveau_mode_config_funcs;
658
659 dev->mode_config.min_width = 0;
660 dev->mode_config.min_height = 0;
661 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
662 dev->mode_config.max_width = 2048;
663 dev->mode_config.max_height = 2048;
664 } else
665 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
666 dev->mode_config.max_width = 4096;
667 dev->mode_config.max_height = 4096;
668 } else
669 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
670 dev->mode_config.max_width = 8192;
671 dev->mode_config.max_height = 8192;
672 } else {
673 dev->mode_config.max_width = 16384;
674 dev->mode_config.max_height = 16384;
675 }
676
677 dev->mode_config.preferred_depth = 24;
678 dev->mode_config.prefer_shadow = 1;
679
680 if (drm->client.device.info.chipset < 0x11)
681 dev->mode_config.async_page_flip = false;
682 else
683 dev->mode_config.async_page_flip = true;
684
685 drm_kms_helper_poll_init(dev);
686 drm_kms_helper_poll_disable(dev);
687
688 if (nouveau_modeset != 2) {
689 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0, &disp->disp);
690 /* no display hw */
691 if (ret == -ENODEV) {
692 ret = 0;
693 drm->headless = true;
694 goto disp_create_err;
695 }
696
697 if (!ret && (disp->disp.outp_mask || drm->vbios.dcb.entries)) {
698 nouveau_display_create_properties(dev);
699 if (disp->disp.object.oclass < NV50_DISP) {
700 dev->mode_config.fb_modifiers_not_supported = true;
701 ret = nv04_display_create(dev);
702 } else {
703 ret = nv50_display_create(dev);
704 }
705 }
706 } else {
707 ret = 0;
708 }
709
710 if (ret)
711 goto disp_create_err;
712
713 drm_mode_config_reset(dev);
714
715 if (dev->mode_config.num_crtc) {
716 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
717 if (ret)
718 goto vblank_err;
719
720 if (disp->disp.object.oclass >= NV50_DISP)
721 nv50_crc_init(dev);
722 }
723
724 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
725 spin_lock_init(&drm->hpd_lock);
726 #ifdef CONFIG_ACPI
727 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
728 register_acpi_notifier(&drm->acpi_nb);
729 #endif
730
731 return 0;
732
733 vblank_err:
734 disp->dtor(dev);
735 disp_create_err:
736 drm_kms_helper_poll_fini(dev);
737 drm_mode_config_cleanup(dev);
738 return ret;
739 }
740
741 void
nouveau_display_destroy(struct drm_device * dev)742 nouveau_display_destroy(struct drm_device *dev)
743 {
744 struct nouveau_display *disp = nouveau_display(dev);
745 struct nouveau_drm *drm = nouveau_drm(dev);
746
747 #ifdef CONFIG_ACPI
748 unregister_acpi_notifier(&drm->acpi_nb);
749 #endif
750
751 drm_kms_helper_poll_fini(dev);
752 drm_mode_config_cleanup(dev);
753
754 if (disp->dtor)
755 disp->dtor(dev);
756
757 nvif_disp_dtor(&disp->disp);
758
759 drm->display = NULL;
760 kfree(disp);
761 }
762
763 int
nouveau_display_suspend(struct drm_device * dev,bool runtime)764 nouveau_display_suspend(struct drm_device *dev, bool runtime)
765 {
766 struct nouveau_display *disp = nouveau_display(dev);
767
768 drm_client_dev_suspend(dev);
769
770 if (drm_drv_uses_atomic_modeset(dev)) {
771 if (!runtime) {
772 disp->suspend = drm_atomic_helper_suspend(dev);
773 if (IS_ERR(disp->suspend)) {
774 int ret = PTR_ERR(disp->suspend);
775 disp->suspend = NULL;
776 return ret;
777 }
778 }
779 }
780
781 nouveau_display_fini(dev, true, runtime);
782 return 0;
783 }
784
785 void
nouveau_display_resume(struct drm_device * dev,bool runtime)786 nouveau_display_resume(struct drm_device *dev, bool runtime)
787 {
788 struct nouveau_display *disp = nouveau_display(dev);
789
790 nouveau_display_init(dev, true, runtime);
791
792 if (drm_drv_uses_atomic_modeset(dev)) {
793 if (disp->suspend) {
794 drm_atomic_helper_resume(dev, disp->suspend);
795 disp->suspend = NULL;
796 }
797 }
798
799 drm_client_dev_resume(dev);
800 }
801
802 int
nouveau_display_dumb_create(struct drm_file * file_priv,struct drm_device * dev,struct drm_mode_create_dumb * args)803 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
804 struct drm_mode_create_dumb *args)
805 {
806 struct nouveau_cli *cli = nouveau_cli(file_priv);
807 struct nouveau_bo *bo;
808 uint32_t domain;
809 int ret;
810
811 ret = drm_mode_size_dumb(dev, args, SZ_256, 0);
812 if (ret)
813 return ret;
814
815 /* Use VRAM if there is any ; otherwise fallback to system memory */
816 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
817 domain = NOUVEAU_GEM_DOMAIN_VRAM;
818 else
819 domain = NOUVEAU_GEM_DOMAIN_GART;
820
821 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
822 if (ret)
823 return ret;
824
825 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
826 drm_gem_object_put(&bo->bo.base);
827 return ret;
828 }
829