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x86/xen: resume timer irqs early
[linux/fpc-iii.git] / drivers / gpu / drm / nouveau / nouveau_display.c
blobfb072e6a361d40a7b527fd8a1e98e43cdfe0cc70
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 <drm/drmP.h>
28 #include <drm/drm_crtc_helper.h>
29 #include <drm/ttm/ttm_execbuf_util.h>
30
31 #include "nouveau_fbcon.h"
32 #include "dispnv04/hw.h"
33 #include "nouveau_crtc.h"
34 #include "nouveau_dma.h"
35 #include "nouveau_gem.h"
36 #include "nouveau_connector.h"
37 #include "nv50_display.h"
38
39 #include "nouveau_fence.h"
40
41 #include <subdev/bios/gpio.h>
42 #include <subdev/gpio.h>
43 #include <engine/disp.h>
44
45 #include <core/class.h>
46
47 static void
48 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
49 {
50 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
51
52 if (fb->nvbo)
53 drm_gem_object_unreference_unlocked(fb->nvbo->gem);
54
55 drm_framebuffer_cleanup(drm_fb);
56 kfree(fb);
57 }
58
59 static int
60 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
61 struct drm_file *file_priv,
62 unsigned int *handle)
63 {
64 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
65
66 return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
67 }
68
69 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
70 .destroy = nouveau_user_framebuffer_destroy,
71 .create_handle = nouveau_user_framebuffer_create_handle,
72 };
73
74 int
75 nouveau_framebuffer_init(struct drm_device *dev,
76 struct nouveau_framebuffer *nv_fb,
77 struct drm_mode_fb_cmd2 *mode_cmd,
78 struct nouveau_bo *nvbo)
79 {
80 struct nouveau_drm *drm = nouveau_drm(dev);
81 struct drm_framebuffer *fb = &nv_fb->base;
82 int ret;
83
84 drm_helper_mode_fill_fb_struct(fb, mode_cmd);
85 nv_fb->nvbo = nvbo;
86
87 if (nv_device(drm->device)->card_type >= NV_50) {
88 u32 tile_flags = nouveau_bo_tile_layout(nvbo);
89 if (tile_flags == 0x7a00 ||
90 tile_flags == 0xfe00)
91 nv_fb->r_dma = NvEvoFB32;
92 else
93 if (tile_flags == 0x7000)
94 nv_fb->r_dma = NvEvoFB16;
95 else
96 nv_fb->r_dma = NvEvoVRAM_LP;
97
98 switch (fb->depth) {
99 case 8: nv_fb->r_format = 0x1e00; break;
100 case 15: nv_fb->r_format = 0xe900; break;
101 case 16: nv_fb->r_format = 0xe800; break;
102 case 24:
103 case 32: nv_fb->r_format = 0xcf00; break;
104 case 30: nv_fb->r_format = 0xd100; break;
105 default:
106 NV_ERROR(drm, "unknown depth %d\n", fb->depth);
107 return -EINVAL;
108 }
109
110 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) {
111 NV_ERROR(drm, "framebuffer requires contiguous bo\n");
112 return -EINVAL;
113 }
114
115 if (nv_device(drm->device)->chipset == 0x50)
116 nv_fb->r_format |= (tile_flags << 8);
117
118 if (!tile_flags) {
119 if (nv_device(drm->device)->card_type < NV_D0)
120 nv_fb->r_pitch = 0x00100000 | fb->pitches[0];
121 else
122 nv_fb->r_pitch = 0x01000000 | fb->pitches[0];
123 } else {
124 u32 mode = nvbo->tile_mode;
125 if (nv_device(drm->device)->card_type >= NV_C0)
126 mode >>= 4;
127 nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode;
128 }
129 }
130
131 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
132 if (ret) {
133 return ret;
134 }
135
136 return 0;
137 }
138
139 static struct drm_framebuffer *
140 nouveau_user_framebuffer_create(struct drm_device *dev,
141 struct drm_file *file_priv,
142 struct drm_mode_fb_cmd2 *mode_cmd)
143 {
144 struct nouveau_framebuffer *nouveau_fb;
145 struct drm_gem_object *gem;
146 int ret = -ENOMEM;
147
148 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
149 if (!gem)
150 return ERR_PTR(-ENOENT);
151
152 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
153 if (!nouveau_fb)
154 goto err_unref;
155
156 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
157 if (ret)
158 goto err;
159
160 return &nouveau_fb->base;
161
162 err:
163 kfree(nouveau_fb);
164 err_unref:
165 drm_gem_object_unreference(gem);
166 return ERR_PTR(ret);
167 }
168
169 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
170 .fb_create = nouveau_user_framebuffer_create,
171 .output_poll_changed = nouveau_fbcon_output_poll_changed,
172 };
173
174
175 struct nouveau_drm_prop_enum_list {
176 u8 gen_mask;
177 int type;
178 char *name;
179 };
180
181 static struct nouveau_drm_prop_enum_list underscan[] = {
182 { 6, UNDERSCAN_AUTO, "auto" },
183 { 6, UNDERSCAN_OFF, "off" },
184 { 6, UNDERSCAN_ON, "on" },
185 {}
186 };
187
188 static struct nouveau_drm_prop_enum_list dither_mode[] = {
189 { 7, DITHERING_MODE_AUTO, "auto" },
190 { 7, DITHERING_MODE_OFF, "off" },
191 { 1, DITHERING_MODE_ON, "on" },
192 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
193 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
194 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
195 {}
196 };
197
198 static struct nouveau_drm_prop_enum_list dither_depth[] = {
199 { 6, DITHERING_DEPTH_AUTO, "auto" },
200 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
201 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
202 {}
203 };
204
205 #define PROP_ENUM(p,gen,n,list) do { \
206 struct nouveau_drm_prop_enum_list *l = (list); \
207 int c = 0; \
208 while (l->gen_mask) { \
209 if (l->gen_mask & (1 << (gen))) \
210 c++; \
211 l++; \
212 } \
213 if (c) { \
214 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
215 l = (list); \
216 c = 0; \
217 while (p && l->gen_mask) { \
218 if (l->gen_mask & (1 << (gen))) { \
219 drm_property_add_enum(p, c, l->type, l->name); \
220 c++; \
221 } \
222 l++; \
223 } \
224 } \
225 } while(0)
226
227 int
228 nouveau_display_init(struct drm_device *dev)
229 {
230 struct nouveau_drm *drm = nouveau_drm(dev);
231 struct nouveau_display *disp = nouveau_display(dev);
232 struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
233 struct drm_connector *connector;
234 int ret;
235
236 ret = disp->init(dev);
237 if (ret)
238 return ret;
239
240 /* enable polling for external displays */
241 drm_kms_helper_poll_enable(dev);
242
243 /* enable hotplug interrupts */
244 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
245 struct nouveau_connector *conn = nouveau_connector(connector);
246 if (gpio && conn->hpd.func != DCB_GPIO_UNUSED) {
247 nouveau_event_get(gpio->events, conn->hpd.line,
248 &conn->hpd_func);
249 }
250 }
251
252 return ret;
253 }
254
255 void
256 nouveau_display_fini(struct drm_device *dev)
257 {
258 struct nouveau_drm *drm = nouveau_drm(dev);
259 struct nouveau_display *disp = nouveau_display(dev);
260 struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
261 struct drm_connector *connector;
262
263 /* disable hotplug interrupts */
264 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
265 struct nouveau_connector *conn = nouveau_connector(connector);
266 if (gpio && conn->hpd.func != DCB_GPIO_UNUSED) {
267 nouveau_event_put(gpio->events, conn->hpd.line,
268 &conn->hpd_func);
269 }
270 }
271
272 drm_kms_helper_poll_disable(dev);
273 disp->fini(dev);
274 }
275
276 int
277 nouveau_display_create(struct drm_device *dev)
278 {
279 struct nouveau_drm *drm = nouveau_drm(dev);
280 struct nouveau_display *disp;
281 int ret, gen;
282
283 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
284 if (!disp)
285 return -ENOMEM;
286
287 drm_mode_config_init(dev);
288 drm_mode_create_scaling_mode_property(dev);
289 drm_mode_create_dvi_i_properties(dev);
290
291 if (nv_device(drm->device)->card_type < NV_50)
292 gen = 0;
293 else
294 if (nv_device(drm->device)->card_type < NV_D0)
295 gen = 1;
296 else
297 gen = 2;
298
299 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
300 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
301 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
302
303 disp->underscan_hborder_property =
304 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
305
306 disp->underscan_vborder_property =
307 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
308
309 if (gen >= 1) {
310 /* -90..+90 */
311 disp->vibrant_hue_property =
312 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
313
314 /* -100..+100 */
315 disp->color_vibrance_property =
316 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
317 }
318
319 dev->mode_config.funcs = &nouveau_mode_config_funcs;
320 dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1);
321
322 dev->mode_config.min_width = 0;
323 dev->mode_config.min_height = 0;
324 if (nv_device(drm->device)->card_type < NV_10) {
325 dev->mode_config.max_width = 2048;
326 dev->mode_config.max_height = 2048;
327 } else
328 if (nv_device(drm->device)->card_type < NV_50) {
329 dev->mode_config.max_width = 4096;
330 dev->mode_config.max_height = 4096;
331 } else {
332 dev->mode_config.max_width = 8192;
333 dev->mode_config.max_height = 8192;
334 }
335
336 dev->mode_config.preferred_depth = 24;
337 dev->mode_config.prefer_shadow = 1;
338
339 drm_kms_helper_poll_init(dev);
340 drm_kms_helper_poll_disable(dev);
341
342 if (drm->vbios.dcb.entries) {
343 if (nv_device(drm->device)->card_type < NV_50)
344 ret = nv04_display_create(dev);
345 else
346 ret = nv50_display_create(dev);
347 } else {
348 ret = 0;
349 }
350
351 if (ret)
352 goto disp_create_err;
353
354 if (dev->mode_config.num_crtc) {
355 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
356 if (ret)
357 goto vblank_err;
358 }
359
360 nouveau_backlight_init(dev);
361 return 0;
362
363 vblank_err:
364 disp->dtor(dev);
365 disp_create_err:
366 drm_kms_helper_poll_fini(dev);
367 drm_mode_config_cleanup(dev);
368 return ret;
369 }
370
371 void
372 nouveau_display_destroy(struct drm_device *dev)
373 {
374 struct nouveau_display *disp = nouveau_display(dev);
375
376 nouveau_backlight_exit(dev);
377 drm_vblank_cleanup(dev);
378
379 drm_kms_helper_poll_fini(dev);
380 drm_mode_config_cleanup(dev);
381
382 if (disp->dtor)
383 disp->dtor(dev);
384
385 nouveau_drm(dev)->display = NULL;
386 kfree(disp);
387 }
388
389 int
390 nouveau_display_suspend(struct drm_device *dev)
391 {
392 struct nouveau_drm *drm = nouveau_drm(dev);
393 struct drm_crtc *crtc;
394
395 nouveau_display_fini(dev);
396
397 NV_SUSPEND(drm, "unpinning framebuffer(s)...\n");
398 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
399 struct nouveau_framebuffer *nouveau_fb;
400
401 nouveau_fb = nouveau_framebuffer(crtc->fb);
402 if (!nouveau_fb || !nouveau_fb->nvbo)
403 continue;
404
405 nouveau_bo_unpin(nouveau_fb->nvbo);
406 }
407
408 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
409 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
410
411 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
412 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
413 }
414
415 return 0;
416 }
417
418 void
419 nouveau_display_repin(struct drm_device *dev)
420 {
421 struct nouveau_drm *drm = nouveau_drm(dev);
422 struct drm_crtc *crtc;
423 int ret;
424
425 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
426 struct nouveau_framebuffer *nouveau_fb;
427
428 nouveau_fb = nouveau_framebuffer(crtc->fb);
429 if (!nouveau_fb || !nouveau_fb->nvbo)
430 continue;
431
432 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
433 }
434
435 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
436 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
437
438 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
439 if (!ret)
440 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
441 if (ret)
442 NV_ERROR(drm, "Could not pin/map cursor.\n");
443 }
444 }
445
446 void
447 nouveau_display_resume(struct drm_device *dev)
448 {
449 struct drm_crtc *crtc;
450 nouveau_display_init(dev);
451
452 /* Force CLUT to get re-loaded during modeset */
453 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
454 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
455
456 nv_crtc->lut.depth = 0;
457 }
458
459 drm_helper_resume_force_mode(dev);
460
461 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
462 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
463 u32 offset = nv_crtc->cursor.nvbo->bo.offset;
464
465 nv_crtc->cursor.set_offset(nv_crtc, offset);
466 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
467 nv_crtc->cursor_saved_y);
468 }
469 }
470
471 static int
472 nouveau_page_flip_emit(struct nouveau_channel *chan,
473 struct nouveau_bo *old_bo,
474 struct nouveau_bo *new_bo,
475 struct nouveau_page_flip_state *s,
476 struct nouveau_fence **pfence)
477 {
478 struct nouveau_fence_chan *fctx = chan->fence;
479 struct nouveau_drm *drm = chan->drm;
480 struct drm_device *dev = drm->dev;
481 unsigned long flags;
482 int ret;
483
484 /* Queue it to the pending list */
485 spin_lock_irqsave(&dev->event_lock, flags);
486 list_add_tail(&s->head, &fctx->flip);
487 spin_unlock_irqrestore(&dev->event_lock, flags);
488
489 /* Synchronize with the old framebuffer */
490 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
491 if (ret)
492 goto fail;
493
494 /* Emit the pageflip */
495 ret = RING_SPACE(chan, 3);
496 if (ret)
497 goto fail;
498
499 if (nv_device(drm->device)->card_type < NV_C0) {
500 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
501 OUT_RING (chan, 0x00000000);
502 OUT_RING (chan, 0x00000000);
503 } else {
504 BEGIN_NVC0(chan, 0, NV10_SUBCHAN_REF_CNT, 1);
505 OUT_RING (chan, 0);
506 BEGIN_IMC0(chan, 0, NVSW_SUBCHAN_PAGE_FLIP, 0x0000);
507 }
508 FIRE_RING (chan);
509
510 ret = nouveau_fence_new(chan, false, pfence);
511 if (ret)
512 goto fail;
513
514 return 0;
515 fail:
516 spin_lock_irqsave(&dev->event_lock, flags);
517 list_del(&s->head);
518 spin_unlock_irqrestore(&dev->event_lock, flags);
519 return ret;
520 }
521
522 int
523 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
524 struct drm_pending_vblank_event *event,
525 uint32_t page_flip_flags)
526 {
527 struct drm_device *dev = crtc->dev;
528 struct nouveau_drm *drm = nouveau_drm(dev);
529 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
530 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
531 struct nouveau_page_flip_state *s;
532 struct nouveau_channel *chan = NULL;
533 struct nouveau_fence *fence;
534 struct ttm_validate_buffer resv[2] = {
535 { .bo = &old_bo->bo },
536 { .bo = &new_bo->bo },
537 };
538 struct ww_acquire_ctx ticket;
539 LIST_HEAD(res);
540 int ret;
541
542 if (!drm->channel)
543 return -ENODEV;
544
545 s = kzalloc(sizeof(*s), GFP_KERNEL);
546 if (!s)
547 return -ENOMEM;
548
549 /* Choose the channel the flip will be handled in */
550 spin_lock(&old_bo->bo.bdev->fence_lock);
551 fence = new_bo->bo.sync_obj;
552 if (fence)
553 chan = fence->channel;
554 if (!chan)
555 chan = drm->channel;
556 spin_unlock(&old_bo->bo.bdev->fence_lock);
557
558 if (new_bo != old_bo) {
559 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
560 if (ret)
561 goto fail_free;
562
563 list_add(&resv[1].head, &res);
564 }
565 list_add(&resv[0].head, &res);
566
567 mutex_lock(&chan->cli->mutex);
568 ret = ttm_eu_reserve_buffers(&ticket, &res);
569 if (ret)
570 goto fail_unpin;
571
572 /* Initialize a page flip struct */
573 *s = (struct nouveau_page_flip_state)
574 { { }, event, nouveau_crtc(crtc)->index,
575 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
576 new_bo->bo.offset };
577
578 /* Emit a page flip */
579 if (nv_device(drm->device)->card_type >= NV_50) {
580 ret = nv50_display_flip_next(crtc, fb, chan, 0);
581 if (ret)
582 goto fail_unreserve;
583 } else {
584 struct nv04_display *dispnv04 = nv04_display(dev);
585 nouveau_bo_ref(new_bo, &dispnv04->image[nouveau_crtc(crtc)->index]);
586 }
587
588 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
589 if (ret)
590 goto fail_unreserve;
591 mutex_unlock(&chan->cli->mutex);
592
593 /* Update the crtc struct and cleanup */
594 crtc->fb = fb;
595
596 ttm_eu_fence_buffer_objects(&ticket, &res, fence);
597 if (old_bo != new_bo)
598 nouveau_bo_unpin(old_bo);
599 nouveau_fence_unref(&fence);
600 return 0;
601
602 fail_unreserve:
603 ttm_eu_backoff_reservation(&ticket, &res);
604 fail_unpin:
605 mutex_unlock(&chan->cli->mutex);
606 if (old_bo != new_bo)
607 nouveau_bo_unpin(new_bo);
608 fail_free:
609 kfree(s);
610 return ret;
611 }
612
613 int
614 nouveau_finish_page_flip(struct nouveau_channel *chan,
615 struct nouveau_page_flip_state *ps)
616 {
617 struct nouveau_fence_chan *fctx = chan->fence;
618 struct nouveau_drm *drm = chan->drm;
619 struct drm_device *dev = drm->dev;
620 struct nouveau_page_flip_state *s;
621 unsigned long flags;
622
623 spin_lock_irqsave(&dev->event_lock, flags);
624
625 if (list_empty(&fctx->flip)) {
626 NV_ERROR(drm, "unexpected pageflip\n");
627 spin_unlock_irqrestore(&dev->event_lock, flags);
628 return -EINVAL;
629 }
630
631 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
632 if (s->event)
633 drm_send_vblank_event(dev, -1, s->event);
634
635 list_del(&s->head);
636 if (ps)
637 *ps = *s;
638 kfree(s);
639
640 spin_unlock_irqrestore(&dev->event_lock, flags);
641 return 0;
642 }
643
644 int
645 nouveau_flip_complete(void *data)
646 {
647 struct nouveau_channel *chan = data;
648 struct nouveau_drm *drm = chan->drm;
649 struct nouveau_page_flip_state state;
650
651 if (!nouveau_finish_page_flip(chan, &state)) {
652 if (nv_device(drm->device)->card_type < NV_50) {
653 nv_set_crtc_base(drm->dev, state.crtc, state.offset +
654 state.y * state.pitch +
655 state.x * state.bpp / 8);
656 }
657 }
658
659 return 0;
660 }
661
662 int
663 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
664 struct drm_mode_create_dumb *args)
665 {
666 struct nouveau_bo *bo;
667 int ret;
668
669 args->pitch = roundup(args->width * (args->bpp / 8), 256);
670 args->size = args->pitch * args->height;
671 args->size = roundup(args->size, PAGE_SIZE);
672
673 ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo);
674 if (ret)
675 return ret;
676
677 ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
678 drm_gem_object_unreference_unlocked(bo->gem);
679 return ret;
680 }
681
682 int
683 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
684 struct drm_device *dev,
685 uint32_t handle, uint64_t *poffset)
686 {
687 struct drm_gem_object *gem;
688
689 gem = drm_gem_object_lookup(dev, file_priv, handle);
690 if (gem) {
691 struct nouveau_bo *bo = gem->driver_private;
692 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
693 drm_gem_object_unreference_unlocked(gem);
694 return 0;
695 }
696
697 return -ENOENT;
698 }
Linux with added FPC-III support