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
nouveau_display_vblank_enable(struct drm_crtc * crtc)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
nouveau_display_vblank_disable(struct drm_crtc * crtc)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
calc(int blanks,int blanke,int total,int line)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
nouveau_display_scanoutpos_head(struct drm_crtc * crtc,int * vpos,int * hpos,ktime_t * stime,ktime_t * etime)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 = drm_crtc_vblank_crtc(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
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)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
nouveau_decode_mod(struct nouveau_drm * drm,uint64_t modifier,uint32_t * tile_mode,uint8_t * kind)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
nouveau_framebuffer_get_layout(struct drm_framebuffer * fb,uint32_t * tile_mode,uint8_t * kind)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
nouveau_validate_decode_mod(struct nouveau_drm * drm,uint64_t modifier,uint32_t * tile_mode,uint8_t * kind)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
nouveau_get_width_in_blocks(uint32_t stride)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
nouveau_get_height_in_blocks(struct nouveau_drm * drm,uint32_t height,uint32_t log_block_height_in_gobs)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
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)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
nouveau_framebuffer_new(struct drm_device * dev,const struct drm_mode_fb_cmd2 * mode_cmd,struct drm_gem_object * gem,struct drm_framebuffer ** pfb)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 *
nouveau_user_framebuffer_create(struct drm_device * dev,struct drm_file * file_priv,const struct drm_mode_fb_cmd2 * mode_cmd)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
nouveau_display_hpd_resume(struct drm_device * dev)449 nouveau_display_hpd_resume(struct drm_device *dev)
450 {
451 struct nouveau_drm *drm = nouveau_drm(dev);
452
453 if (drm->headless)
454 return;
455
456 spin_lock_irq(&drm->hpd_lock);
457 drm->hpd_pending = ~0;
458 spin_unlock_irq(&drm->hpd_lock);
459
460 schedule_work(&drm->hpd_work);
461 }
462
463 static void
nouveau_display_hpd_work(struct work_struct * work)464 nouveau_display_hpd_work(struct work_struct *work)
465 {
466 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
467 struct drm_device *dev = drm->dev;
468 struct drm_connector *connector;
469 struct drm_connector_list_iter conn_iter;
470 u32 pending;
471 int changed = 0;
472 struct drm_connector *first_changed_connector = NULL;
473
474 pm_runtime_get_sync(dev->dev);
475
476 spin_lock_irq(&drm->hpd_lock);
477 pending = drm->hpd_pending;
478 drm->hpd_pending = 0;
479 spin_unlock_irq(&drm->hpd_lock);
480
481 /* Nothing to do, exit early without updating the last busy counter */
482 if (!pending)
483 goto noop;
484
485 mutex_lock(&dev->mode_config.mutex);
486 drm_connector_list_iter_begin(dev, &conn_iter);
487
488 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
489 struct nouveau_connector *nv_connector = nouveau_connector(connector);
490 enum drm_connector_status old_status = connector->status;
491 u64 bits, old_epoch_counter = connector->epoch_counter;
492
493 if (!(pending & drm_connector_mask(connector)))
494 continue;
495
496 spin_lock_irq(&drm->hpd_lock);
497 bits = nv_connector->hpd_pending;
498 nv_connector->hpd_pending = 0;
499 spin_unlock_irq(&drm->hpd_lock);
500
501 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] plug:%d unplug:%d irq:%d\n",
502 connector->base.id, connector->name,
503 !!(bits & NVIF_CONN_EVENT_V0_PLUG),
504 !!(bits & NVIF_CONN_EVENT_V0_UNPLUG),
505 !!(bits & NVIF_CONN_EVENT_V0_IRQ));
506
507 if (bits & NVIF_CONN_EVENT_V0_IRQ) {
508 if (nouveau_dp_link_check(nv_connector))
509 continue;
510 }
511
512 connector->status = drm_helper_probe_detect(connector, NULL, false);
513 if (old_epoch_counter == connector->epoch_counter)
514 continue;
515
516 changed++;
517 if (!first_changed_connector) {
518 drm_connector_get(connector);
519 first_changed_connector = connector;
520 }
521
522 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n",
523 connector->base.id, connector->name,
524 drm_get_connector_status_name(old_status),
525 drm_get_connector_status_name(connector->status),
526 old_epoch_counter, connector->epoch_counter);
527 }
528
529 drm_connector_list_iter_end(&conn_iter);
530 mutex_unlock(&dev->mode_config.mutex);
531
532 if (changed == 1)
533 drm_kms_helper_connector_hotplug_event(first_changed_connector);
534 else if (changed > 0)
535 drm_kms_helper_hotplug_event(dev);
536
537 if (first_changed_connector)
538 drm_connector_put(first_changed_connector);
539
540 pm_runtime_mark_last_busy(drm->dev->dev);
541 noop:
542 pm_runtime_put_autosuspend(dev->dev);
543 }
544
545 #ifdef CONFIG_ACPI
546
547 static int
nouveau_display_acpi_ntfy(struct notifier_block * nb,unsigned long val,void * data)548 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
549 void *data)
550 {
551 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
552 struct acpi_bus_event *info = data;
553 int ret;
554
555 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
556 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
557 ret = pm_runtime_get(drm->dev->dev);
558 if (ret == 1 || ret == -EACCES) {
559 /* If the GPU is already awake, or in a state
560 * where we can't wake it up, it can handle
561 * it's own hotplug events.
562 */
563 pm_runtime_put_autosuspend(drm->dev->dev);
564 } else if (ret == 0 || ret == -EINPROGRESS) {
565 /* We've started resuming the GPU already, so
566 * it will handle scheduling a full reprobe
567 * itself
568 */
569 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
570 pm_runtime_put_noidle(drm->dev->dev);
571 } else {
572 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
573 ret);
574 }
575
576 /* acpi-video should not generate keypresses for this */
577 return NOTIFY_BAD;
578 }
579 }
580
581 return NOTIFY_DONE;
582 }
583 #endif
584
585 int
nouveau_display_init(struct drm_device * dev,bool resume,bool runtime)586 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
587 {
588 struct nouveau_display *disp = nouveau_display(dev);
589 struct drm_connector *connector;
590 struct drm_connector_list_iter conn_iter;
591 int ret;
592
593 /*
594 * Enable hotplug interrupts (done as early as possible, since we need
595 * them for MST)
596 */
597 drm_connector_list_iter_begin(dev, &conn_iter);
598 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
599 struct nouveau_connector *conn = nouveau_connector(connector);
600 nvif_event_allow(&conn->hpd);
601 nvif_event_allow(&conn->irq);
602 }
603 drm_connector_list_iter_end(&conn_iter);
604
605 ret = disp->init(dev, resume, runtime);
606 if (ret)
607 return ret;
608
609 /* enable connector detection and polling for connectors without HPD
610 * support
611 */
612 drm_kms_helper_poll_enable(dev);
613
614 return ret;
615 }
616
617 void
nouveau_display_fini(struct drm_device * dev,bool suspend,bool runtime)618 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
619 {
620 struct nouveau_display *disp = nouveau_display(dev);
621 struct nouveau_drm *drm = nouveau_drm(dev);
622 struct drm_connector *connector;
623 struct drm_connector_list_iter conn_iter;
624
625 if (!suspend) {
626 if (drm_drv_uses_atomic_modeset(dev))
627 drm_atomic_helper_shutdown(dev);
628 else
629 drm_helper_force_disable_all(dev);
630 }
631
632 /* disable hotplug interrupts */
633 drm_connector_list_iter_begin(dev, &conn_iter);
634 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
635 struct nouveau_connector *conn = nouveau_connector(connector);
636 nvif_event_block(&conn->irq);
637 nvif_event_block(&conn->hpd);
638 }
639 drm_connector_list_iter_end(&conn_iter);
640
641 if (!runtime && !drm->headless)
642 cancel_work_sync(&drm->hpd_work);
643
644 drm_kms_helper_poll_disable(dev);
645 disp->fini(dev, runtime, suspend);
646 }
647
648 static void
nouveau_display_create_properties(struct drm_device * dev)649 nouveau_display_create_properties(struct drm_device *dev)
650 {
651 struct nouveau_display *disp = nouveau_display(dev);
652 int gen;
653
654 if (disp->disp.object.oclass < NV50_DISP)
655 gen = 0;
656 else
657 if (disp->disp.object.oclass < GF110_DISP)
658 gen = 1;
659 else
660 gen = 2;
661
662 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
663 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
664 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
665
666 disp->underscan_hborder_property =
667 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
668
669 disp->underscan_vborder_property =
670 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
671
672 if (gen < 1)
673 return;
674
675 /* -90..+90 */
676 disp->vibrant_hue_property =
677 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
678
679 /* -100..+100 */
680 disp->color_vibrance_property =
681 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
682 }
683
684 int
nouveau_display_create(struct drm_device * dev)685 nouveau_display_create(struct drm_device *dev)
686 {
687 struct nouveau_drm *drm = nouveau_drm(dev);
688 struct nouveau_display *disp;
689 int ret;
690
691 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
692 if (!disp)
693 return -ENOMEM;
694
695 drm_mode_config_init(dev);
696 drm_mode_create_scaling_mode_property(dev);
697 drm_mode_create_dvi_i_properties(dev);
698
699 dev->mode_config.funcs = &nouveau_mode_config_funcs;
700
701 dev->mode_config.min_width = 0;
702 dev->mode_config.min_height = 0;
703 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
704 dev->mode_config.max_width = 2048;
705 dev->mode_config.max_height = 2048;
706 } else
707 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
708 dev->mode_config.max_width = 4096;
709 dev->mode_config.max_height = 4096;
710 } else
711 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
712 dev->mode_config.max_width = 8192;
713 dev->mode_config.max_height = 8192;
714 } else {
715 dev->mode_config.max_width = 16384;
716 dev->mode_config.max_height = 16384;
717 }
718
719 dev->mode_config.preferred_depth = 24;
720 dev->mode_config.prefer_shadow = 1;
721
722 if (drm->client.device.info.chipset < 0x11)
723 dev->mode_config.async_page_flip = false;
724 else
725 dev->mode_config.async_page_flip = true;
726
727 drm_kms_helper_poll_init(dev);
728 drm_kms_helper_poll_disable(dev);
729
730 if (nouveau_modeset != 2) {
731 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0, &disp->disp);
732 /* no display hw */
733 if (ret == -ENODEV) {
734 ret = 0;
735 drm->headless = true;
736 goto disp_create_err;
737 }
738
739 if (!ret && (disp->disp.outp_mask || drm->vbios.dcb.entries)) {
740 nouveau_display_create_properties(dev);
741 if (disp->disp.object.oclass < NV50_DISP) {
742 dev->mode_config.fb_modifiers_not_supported = true;
743 ret = nv04_display_create(dev);
744 } else {
745 ret = nv50_display_create(dev);
746 }
747 }
748 } else {
749 ret = 0;
750 }
751
752 if (ret)
753 goto disp_create_err;
754
755 drm_mode_config_reset(dev);
756
757 if (dev->mode_config.num_crtc) {
758 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
759 if (ret)
760 goto vblank_err;
761
762 if (disp->disp.object.oclass >= NV50_DISP)
763 nv50_crc_init(dev);
764 }
765
766 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
767 spin_lock_init(&drm->hpd_lock);
768 #ifdef CONFIG_ACPI
769 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
770 register_acpi_notifier(&drm->acpi_nb);
771 #endif
772
773 return 0;
774
775 vblank_err:
776 disp->dtor(dev);
777 disp_create_err:
778 drm_kms_helper_poll_fini(dev);
779 drm_mode_config_cleanup(dev);
780 return ret;
781 }
782
783 void
nouveau_display_destroy(struct drm_device * dev)784 nouveau_display_destroy(struct drm_device *dev)
785 {
786 struct nouveau_display *disp = nouveau_display(dev);
787 struct nouveau_drm *drm = nouveau_drm(dev);
788
789 #ifdef CONFIG_ACPI
790 unregister_acpi_notifier(&drm->acpi_nb);
791 #endif
792
793 drm_kms_helper_poll_fini(dev);
794 drm_mode_config_cleanup(dev);
795
796 if (disp->dtor)
797 disp->dtor(dev);
798
799 nvif_disp_dtor(&disp->disp);
800
801 drm->display = NULL;
802 kfree(disp);
803 }
804
805 int
nouveau_display_suspend(struct drm_device * dev,bool runtime)806 nouveau_display_suspend(struct drm_device *dev, bool runtime)
807 {
808 struct nouveau_display *disp = nouveau_display(dev);
809
810 /* Disable console. */
811 drm_fb_helper_set_suspend_unlocked(dev->fb_helper, true);
812
813 if (drm_drv_uses_atomic_modeset(dev)) {
814 if (!runtime) {
815 disp->suspend = drm_atomic_helper_suspend(dev);
816 if (IS_ERR(disp->suspend)) {
817 int ret = PTR_ERR(disp->suspend);
818 disp->suspend = NULL;
819 return ret;
820 }
821 }
822 }
823
824 nouveau_display_fini(dev, true, runtime);
825 return 0;
826 }
827
828 void
nouveau_display_resume(struct drm_device * dev,bool runtime)829 nouveau_display_resume(struct drm_device *dev, bool runtime)
830 {
831 struct nouveau_display *disp = nouveau_display(dev);
832
833 nouveau_display_init(dev, true, runtime);
834
835 if (drm_drv_uses_atomic_modeset(dev)) {
836 if (disp->suspend) {
837 drm_atomic_helper_resume(dev, disp->suspend);
838 disp->suspend = NULL;
839 }
840 }
841
842 /* Enable console. */
843 drm_fb_helper_set_suspend_unlocked(dev->fb_helper, false);
844 }
845
846 int
nouveau_display_dumb_create(struct drm_file * file_priv,struct drm_device * dev,struct drm_mode_create_dumb * args)847 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
848 struct drm_mode_create_dumb *args)
849 {
850 struct nouveau_cli *cli = nouveau_cli(file_priv);
851 struct nouveau_bo *bo;
852 uint32_t domain;
853 int ret;
854
855 args->pitch = roundup(args->width * (args->bpp / 8), 256);
856 args->size = args->pitch * args->height;
857 args->size = roundup(args->size, PAGE_SIZE);
858
859 /* Use VRAM if there is any ; otherwise fallback to system memory */
860 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
861 domain = NOUVEAU_GEM_DOMAIN_VRAM;
862 else
863 domain = NOUVEAU_GEM_DOMAIN_GART;
864
865 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
866 if (ret)
867 return ret;
868
869 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
870 drm_gem_object_put(&bo->bo.base);
871 return ret;
872 }
873