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