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Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / drivers / gpu / drm / nouveau / nouveau_display.c
blobbceb48a2dfca6ba30c89fe28716250d7284c7b6d
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
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
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
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
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
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
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
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
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
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
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
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=%lu\n",
290 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size,
291 nvbo->bo.mem.size);
292
293 if (bl_size + offset > nvbo->bo.mem.size)
294 return -ERANGE;
295
296 return 0;
297 }
298
299 int
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 width, 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 struct drm_format_name_buf format_name;
326 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
327 drm_get_format_name(mode_cmd->pixel_format,
328 &format_name),
329 mode_cmd->pitches[0],
330 mode_cmd->pitches[1]);
331 return -EINVAL;
332 }
333
334 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
335 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0],
336 &tile_mode, &kind)) {
337 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n",
338 mode_cmd->modifier[0]);
339 return -EINVAL;
340 }
341 } else {
342 tile_mode = nvbo->mode;
343 kind = nvbo->kind;
344 }
345
346 info = drm_get_format_info(dev, mode_cmd);
347
348 for (i = 0; i < info->num_planes; i++) {
349 width = drm_format_info_plane_width(info,
350 mode_cmd->width,
351 i);
352 height = drm_format_info_plane_height(info,
353 mode_cmd->height,
354 i);
355
356 if (kind) {
357 ret = nouveau_check_bl_size(drm, nvbo,
358 mode_cmd->offsets[i],
359 mode_cmd->pitches[i],
360 height, tile_mode);
361 if (ret)
362 return ret;
363 } else {
364 uint32_t size = mode_cmd->pitches[i] * height;
365
366 if (size + mode_cmd->offsets[i] > nvbo->bo.mem.size)
367 return -ERANGE;
368 }
369 }
370
371 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
372 return -ENOMEM;
373
374 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
375 fb->obj[0] = gem;
376
377 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
378 if (ret)
379 kfree(fb);
380 return ret;
381 }
382
383 struct drm_framebuffer *
384 nouveau_user_framebuffer_create(struct drm_device *dev,
385 struct drm_file *file_priv,
386 const struct drm_mode_fb_cmd2 *mode_cmd)
387 {
388 struct drm_framebuffer *fb;
389 struct drm_gem_object *gem;
390 int ret;
391
392 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
393 if (!gem)
394 return ERR_PTR(-ENOENT);
395
396 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb);
397 if (ret == 0)
398 return fb;
399
400 drm_gem_object_put(gem);
401 return ERR_PTR(ret);
402 }
403
404 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
405 .fb_create = nouveau_user_framebuffer_create,
406 .output_poll_changed = nouveau_fbcon_output_poll_changed,
407 };
408
409
410 struct nouveau_drm_prop_enum_list {
411 u8 gen_mask;
412 int type;
413 char *name;
414 };
415
416 static struct nouveau_drm_prop_enum_list underscan[] = {
417 { 6, UNDERSCAN_AUTO, "auto" },
418 { 6, UNDERSCAN_OFF, "off" },
419 { 6, UNDERSCAN_ON, "on" },
420 {}
421 };
422
423 static struct nouveau_drm_prop_enum_list dither_mode[] = {
424 { 7, DITHERING_MODE_AUTO, "auto" },
425 { 7, DITHERING_MODE_OFF, "off" },
426 { 1, DITHERING_MODE_ON, "on" },
427 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
428 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
429 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
430 {}
431 };
432
433 static struct nouveau_drm_prop_enum_list dither_depth[] = {
434 { 6, DITHERING_DEPTH_AUTO, "auto" },
435 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
436 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
437 {}
438 };
439
440 #define PROP_ENUM(p,gen,n,list) do { \
441 struct nouveau_drm_prop_enum_list *l = (list); \
442 int c = 0; \
443 while (l->gen_mask) { \
444 if (l->gen_mask & (1 << (gen))) \
445 c++; \
446 l++; \
447 } \
448 if (c) { \
449 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
450 l = (list); \
451 while (p && l->gen_mask) { \
452 if (l->gen_mask & (1 << (gen))) { \
453 drm_property_add_enum(p, l->type, l->name); \
454 } \
455 l++; \
456 } \
457 } \
458 } while(0)
459
460 void
461 nouveau_display_hpd_resume(struct drm_device *dev)
462 {
463 struct nouveau_drm *drm = nouveau_drm(dev);
464
465 mutex_lock(&drm->hpd_lock);
466 drm->hpd_pending = ~0;
467 mutex_unlock(&drm->hpd_lock);
468
469 schedule_work(&drm->hpd_work);
470 }
471
472 static void
473 nouveau_display_hpd_work(struct work_struct *work)
474 {
475 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
476 struct drm_device *dev = drm->dev;
477 struct drm_connector *connector;
478 struct drm_connector_list_iter conn_iter;
479 u32 pending;
480 bool changed = false;
481
482 pm_runtime_get_sync(dev->dev);
483
484 mutex_lock(&drm->hpd_lock);
485 pending = drm->hpd_pending;
486 drm->hpd_pending = 0;
487 mutex_unlock(&drm->hpd_lock);
488
489 /* Nothing to do, exit early without updating the last busy counter */
490 if (!pending)
491 goto noop;
492
493 mutex_lock(&dev->mode_config.mutex);
494 drm_connector_list_iter_begin(dev, &conn_iter);
495
496 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
497 enum drm_connector_status old_status = connector->status;
498 u64 old_epoch_counter = connector->epoch_counter;
499
500 if (!(pending & drm_connector_mask(connector)))
501 continue;
502
503 connector->status = drm_helper_probe_detect(connector, NULL,
504 false);
505 if (old_epoch_counter == connector->epoch_counter)
506 continue;
507
508 changed = true;
509 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n",
510 connector->base.id, connector->name,
511 drm_get_connector_status_name(old_status),
512 drm_get_connector_status_name(connector->status),
513 old_epoch_counter, connector->epoch_counter);
514 }
515
516 drm_connector_list_iter_end(&conn_iter);
517 mutex_unlock(&dev->mode_config.mutex);
518
519 if (changed)
520 drm_kms_helper_hotplug_event(dev);
521
522 pm_runtime_mark_last_busy(drm->dev->dev);
523 noop:
524 pm_runtime_put_sync(drm->dev->dev);
525 }
526
527 #ifdef CONFIG_ACPI
528
529 static int
530 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
531 void *data)
532 {
533 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
534 struct acpi_bus_event *info = data;
535 int ret;
536
537 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
538 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
539 ret = pm_runtime_get(drm->dev->dev);
540 if (ret == 1 || ret == -EACCES) {
541 /* If the GPU is already awake, or in a state
542 * where we can't wake it up, it can handle
543 * it's own hotplug events.
544 */
545 pm_runtime_put_autosuspend(drm->dev->dev);
546 } else if (ret == 0) {
547 /* We've started resuming the GPU already, so
548 * it will handle scheduling a full reprobe
549 * itself
550 */
551 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
552 pm_runtime_put_noidle(drm->dev->dev);
553 } else {
554 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
555 ret);
556 }
557
558 /* acpi-video should not generate keypresses for this */
559 return NOTIFY_BAD;
560 }
561 }
562
563 return NOTIFY_DONE;
564 }
565 #endif
566
567 int
568 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
569 {
570 struct nouveau_display *disp = nouveau_display(dev);
571 struct drm_connector *connector;
572 struct drm_connector_list_iter conn_iter;
573 int ret;
574
575 /*
576 * Enable hotplug interrupts (done as early as possible, since we need
577 * them for MST)
578 */
579 drm_connector_list_iter_begin(dev, &conn_iter);
580 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
581 struct nouveau_connector *conn = nouveau_connector(connector);
582 nvif_notify_get(&conn->hpd);
583 }
584 drm_connector_list_iter_end(&conn_iter);
585
586 ret = disp->init(dev, resume, runtime);
587 if (ret)
588 return ret;
589
590 /* enable connector detection and polling for connectors without HPD
591 * support
592 */
593 drm_kms_helper_poll_enable(dev);
594
595 return ret;
596 }
597
598 void
599 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
600 {
601 struct nouveau_display *disp = nouveau_display(dev);
602 struct nouveau_drm *drm = nouveau_drm(dev);
603 struct drm_connector *connector;
604 struct drm_connector_list_iter conn_iter;
605
606 if (!suspend) {
607 if (drm_drv_uses_atomic_modeset(dev))
608 drm_atomic_helper_shutdown(dev);
609 else
610 drm_helper_force_disable_all(dev);
611 }
612
613 /* disable hotplug interrupts */
614 drm_connector_list_iter_begin(dev, &conn_iter);
615 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
616 struct nouveau_connector *conn = nouveau_connector(connector);
617 nvif_notify_put(&conn->hpd);
618 }
619 drm_connector_list_iter_end(&conn_iter);
620
621 if (!runtime)
622 cancel_work_sync(&drm->hpd_work);
623
624 drm_kms_helper_poll_disable(dev);
625 disp->fini(dev, runtime, suspend);
626 }
627
628 static void
629 nouveau_display_create_properties(struct drm_device *dev)
630 {
631 struct nouveau_display *disp = nouveau_display(dev);
632 int gen;
633
634 if (disp->disp.object.oclass < NV50_DISP)
635 gen = 0;
636 else
637 if (disp->disp.object.oclass < GF110_DISP)
638 gen = 1;
639 else
640 gen = 2;
641
642 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
643 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
644 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
645
646 disp->underscan_hborder_property =
647 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
648
649 disp->underscan_vborder_property =
650 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
651
652 if (gen < 1)
653 return;
654
655 /* -90..+90 */
656 disp->vibrant_hue_property =
657 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
658
659 /* -100..+100 */
660 disp->color_vibrance_property =
661 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
662 }
663
664 int
665 nouveau_display_create(struct drm_device *dev)
666 {
667 struct nouveau_drm *drm = nouveau_drm(dev);
668 struct nvkm_device *device = nvxx_device(&drm->client.device);
669 struct nouveau_display *disp;
670 int ret;
671
672 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
673 if (!disp)
674 return -ENOMEM;
675
676 drm_mode_config_init(dev);
677 drm_mode_create_scaling_mode_property(dev);
678 drm_mode_create_dvi_i_properties(dev);
679
680 dev->mode_config.funcs = &nouveau_mode_config_funcs;
681 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
682
683 dev->mode_config.min_width = 0;
684 dev->mode_config.min_height = 0;
685 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
686 dev->mode_config.max_width = 2048;
687 dev->mode_config.max_height = 2048;
688 } else
689 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
690 dev->mode_config.max_width = 4096;
691 dev->mode_config.max_height = 4096;
692 } else
693 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
694 dev->mode_config.max_width = 8192;
695 dev->mode_config.max_height = 8192;
696 } else {
697 dev->mode_config.max_width = 16384;
698 dev->mode_config.max_height = 16384;
699 }
700
701 dev->mode_config.preferred_depth = 24;
702 dev->mode_config.prefer_shadow = 1;
703 dev->mode_config.allow_fb_modifiers = true;
704
705 if (drm->client.device.info.chipset < 0x11)
706 dev->mode_config.async_page_flip = false;
707 else
708 dev->mode_config.async_page_flip = true;
709
710 drm_kms_helper_poll_init(dev);
711 drm_kms_helper_poll_disable(dev);
712
713 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
714 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0,
715 &disp->disp);
716 if (ret == 0) {
717 nouveau_display_create_properties(dev);
718 if (disp->disp.object.oclass < NV50_DISP)
719 ret = nv04_display_create(dev);
720 else
721 ret = nv50_display_create(dev);
722 }
723 } else {
724 ret = 0;
725 }
726
727 if (ret)
728 goto disp_create_err;
729
730 drm_mode_config_reset(dev);
731
732 if (dev->mode_config.num_crtc) {
733 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
734 if (ret)
735 goto vblank_err;
736
737 if (disp->disp.object.oclass >= NV50_DISP)
738 nv50_crc_init(dev);
739 }
740
741 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
742 mutex_init(&drm->hpd_lock);
743 #ifdef CONFIG_ACPI
744 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
745 register_acpi_notifier(&drm->acpi_nb);
746 #endif
747
748 return 0;
749
750 vblank_err:
751 disp->dtor(dev);
752 disp_create_err:
753 drm_kms_helper_poll_fini(dev);
754 drm_mode_config_cleanup(dev);
755 return ret;
756 }
757
758 void
759 nouveau_display_destroy(struct drm_device *dev)
760 {
761 struct nouveau_display *disp = nouveau_display(dev);
762 struct nouveau_drm *drm = nouveau_drm(dev);
763
764 #ifdef CONFIG_ACPI
765 unregister_acpi_notifier(&drm->acpi_nb);
766 #endif
767
768 drm_kms_helper_poll_fini(dev);
769 drm_mode_config_cleanup(dev);
770
771 if (disp->dtor)
772 disp->dtor(dev);
773
774 nvif_disp_dtor(&disp->disp);
775
776 nouveau_drm(dev)->display = NULL;
777 mutex_destroy(&drm->hpd_lock);
778 kfree(disp);
779 }
780
781 int
782 nouveau_display_suspend(struct drm_device *dev, bool runtime)
783 {
784 struct nouveau_display *disp = nouveau_display(dev);
785
786 if (drm_drv_uses_atomic_modeset(dev)) {
787 if (!runtime) {
788 disp->suspend = drm_atomic_helper_suspend(dev);
789 if (IS_ERR(disp->suspend)) {
790 int ret = PTR_ERR(disp->suspend);
791 disp->suspend = NULL;
792 return ret;
793 }
794 }
795 }
796
797 nouveau_display_fini(dev, true, runtime);
798 return 0;
799 }
800
801 void
802 nouveau_display_resume(struct drm_device *dev, bool runtime)
803 {
804 struct nouveau_display *disp = nouveau_display(dev);
805
806 nouveau_display_init(dev, true, runtime);
807
808 if (drm_drv_uses_atomic_modeset(dev)) {
809 if (disp->suspend) {
810 drm_atomic_helper_resume(dev, disp->suspend);
811 disp->suspend = NULL;
812 }
813 return;
814 }
815 }
816
817 int
818 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
819 struct drm_mode_create_dumb *args)
820 {
821 struct nouveau_cli *cli = nouveau_cli(file_priv);
822 struct nouveau_bo *bo;
823 uint32_t domain;
824 int ret;
825
826 args->pitch = roundup(args->width * (args->bpp / 8), 256);
827 args->size = args->pitch * args->height;
828 args->size = roundup(args->size, PAGE_SIZE);
829
830 /* Use VRAM if there is any ; otherwise fallback to system memory */
831 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
832 domain = NOUVEAU_GEM_DOMAIN_VRAM;
833 else
834 domain = NOUVEAU_GEM_DOMAIN_GART;
835
836 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
837 if (ret)
838 return ret;
839
840 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
841 drm_gem_object_put(&bo->bo.base);
842 return ret;
843 }
844
845 int
846 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
847 struct drm_device *dev,
848 uint32_t handle, uint64_t *poffset)
849 {
850 struct drm_gem_object *gem;
851
852 gem = drm_gem_object_lookup(file_priv, handle);
853 if (gem) {
854 struct nouveau_bo *bo = nouveau_gem_object(gem);
855 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node);
856 drm_gem_object_put(gem);
857 return 0;
858 }
859
860 return -ENOENT;
861 }
Linux with added FPC-III support