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