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