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 48 static int 49 nouveau_display_vblank_handler(struct nvif_notify *notify) 50 { 51 struct nouveau_crtc *nv_crtc = 52 container_of(notify, typeof(*nv_crtc), vblank); 53 drm_crtc_handle_vblank(&nv_crtc->base); 54 return NVIF_NOTIFY_KEEP; 55 } 56 57 int 58 nouveau_display_vblank_enable(struct drm_crtc *crtc) 59 { 60 struct nouveau_crtc *nv_crtc; 61 62 nv_crtc = nouveau_crtc(crtc); 63 nvif_notify_get(&nv_crtc->vblank); 64 65 return 0; 66 } 67 68 void 69 nouveau_display_vblank_disable(struct drm_crtc *crtc) 70 { 71 struct nouveau_crtc *nv_crtc; 72 73 nv_crtc = nouveau_crtc(crtc); 74 nvif_notify_put(&nv_crtc->vblank); 75 } 76 77 static inline int 78 calc(int blanks, int blanke, int total, int line) 79 { 80 if (blanke >= blanks) { 81 if (line >= blanks) 82 line -= total; 83 } else { 84 if (line >= blanks) 85 line -= total; 86 line -= blanke + 1; 87 } 88 return line; 89 } 90 91 static bool 92 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, 93 ktime_t *stime, ktime_t *etime) 94 { 95 struct { 96 struct nv04_disp_mthd_v0 base; 97 struct nv04_disp_scanoutpos_v0 scan; 98 } args = { 99 .base.method = NV04_DISP_SCANOUTPOS, 100 .base.head = nouveau_crtc(crtc)->index, 101 }; 102 struct nouveau_display *disp = nouveau_display(crtc->dev); 103 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)]; 104 int retry = 20; 105 bool ret = false; 106 107 do { 108 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args)); 109 if (ret != 0) 110 return false; 111 112 if (args.scan.vline) { 113 ret = true; 114 break; 115 } 116 117 if (retry) ndelay(vblank->linedur_ns); 118 } while (retry--); 119 120 *hpos = args.scan.hline; 121 *vpos = calc(args.scan.vblanks, args.scan.vblanke, 122 args.scan.vtotal, args.scan.vline); 123 if (stime) *stime = ns_to_ktime(args.scan.time[0]); 124 if (etime) *etime = ns_to_ktime(args.scan.time[1]); 125 126 return ret; 127 } 128 129 bool 130 nouveau_display_scanoutpos(struct drm_crtc *crtc, 131 bool in_vblank_irq, int *vpos, int *hpos, 132 ktime_t *stime, ktime_t *etime, 133 const struct drm_display_mode *mode) 134 { 135 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 136 stime, etime); 137 } 138 139 static void 140 nouveau_display_vblank_fini(struct drm_device *dev) 141 { 142 struct drm_crtc *crtc; 143 144 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 145 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 146 nvif_notify_fini(&nv_crtc->vblank); 147 } 148 } 149 150 static int 151 nouveau_display_vblank_init(struct drm_device *dev) 152 { 153 struct nouveau_display *disp = nouveau_display(dev); 154 struct drm_crtc *crtc; 155 int ret; 156 157 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 158 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 159 ret = nvif_notify_init(&disp->disp.object, 160 nouveau_display_vblank_handler, false, 161 NV04_DISP_NTFY_VBLANK, 162 &(struct nvif_notify_head_req_v0) { 163 .head = nv_crtc->index, 164 }, 165 sizeof(struct nvif_notify_head_req_v0), 166 sizeof(struct nvif_notify_head_rep_v0), 167 &nv_crtc->vblank); 168 if (ret) { 169 nouveau_display_vblank_fini(dev); 170 return ret; 171 } 172 } 173 174 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 175 if (ret) { 176 nouveau_display_vblank_fini(dev); 177 return ret; 178 } 179 180 return 0; 181 } 182 183 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 184 .destroy = drm_gem_fb_destroy, 185 .create_handle = drm_gem_fb_create_handle, 186 }; 187 188 static void 189 nouveau_decode_mod(struct nouveau_drm *drm, 190 uint64_t modifier, 191 uint32_t *tile_mode, 192 uint8_t *kind) 193 { 194 struct nouveau_display *disp = nouveau_display(drm->dev); 195 BUG_ON(!tile_mode || !kind); 196 197 if (modifier == DRM_FORMAT_MOD_LINEAR) { 198 /* tile_mode will not be used in this case */ 199 *tile_mode = 0; 200 *kind = 0; 201 } else { 202 /* 203 * Extract the block height and kind from the corresponding 204 * modifier fields. See drm_fourcc.h for details. 205 */ 206 207 if ((modifier & (0xffull << 12)) == 0ull) { 208 /* Legacy modifier. Translate to this dev's 'kind.' */ 209 modifier |= disp->format_modifiers[0] & (0xffull << 12); 210 } 211 212 *tile_mode = (uint32_t)(modifier & 0xF); 213 *kind = (uint8_t)((modifier >> 12) & 0xFF); 214 215 if (drm->client.device.info.chipset >= 0xc0) 216 *tile_mode <<= 4; 217 } 218 } 219 220 void 221 nouveau_framebuffer_get_layout(struct drm_framebuffer *fb, 222 uint32_t *tile_mode, 223 uint8_t *kind) 224 { 225 if (fb->flags & DRM_MODE_FB_MODIFIERS) { 226 struct nouveau_drm *drm = nouveau_drm(fb->dev); 227 228 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind); 229 } else { 230 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); 231 232 *tile_mode = nvbo->mode; 233 *kind = nvbo->kind; 234 } 235 } 236 237 static const u64 legacy_modifiers[] = { 238 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0), 239 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1), 240 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2), 241 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3), 242 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4), 243 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5), 244 DRM_FORMAT_MOD_INVALID 245 }; 246 247 static int 248 nouveau_validate_decode_mod(struct nouveau_drm *drm, 249 uint64_t modifier, 250 uint32_t *tile_mode, 251 uint8_t *kind) 252 { 253 struct nouveau_display *disp = nouveau_display(drm->dev); 254 int mod; 255 256 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 257 return -EINVAL; 258 } 259 260 BUG_ON(!disp->format_modifiers); 261 262 for (mod = 0; 263 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && 264 (disp->format_modifiers[mod] != modifier); 265 mod++); 266 267 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) { 268 for (mod = 0; 269 (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && 270 (legacy_modifiers[mod] != modifier); 271 mod++); 272 if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID) 273 return -EINVAL; 274 } 275 276 nouveau_decode_mod(drm, modifier, tile_mode, kind); 277 278 return 0; 279 } 280 281 static inline uint32_t 282 nouveau_get_width_in_blocks(uint32_t stride) 283 { 284 /* GOBs per block in the x direction is always one, and GOBs are 285 * 64 bytes wide 286 */ 287 static const uint32_t log_block_width = 6; 288 289 return (stride + (1 << log_block_width) - 1) >> log_block_width; 290 } 291 292 static inline uint32_t 293 nouveau_get_height_in_blocks(struct nouveau_drm *drm, 294 uint32_t height, 295 uint32_t log_block_height_in_gobs) 296 { 297 uint32_t log_gob_height; 298 uint32_t log_block_height; 299 300 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 301 302 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) 303 log_gob_height = 2; 304 else 305 log_gob_height = 3; 306 307 log_block_height = log_block_height_in_gobs + log_gob_height; 308 309 return (height + (1 << log_block_height) - 1) >> log_block_height; 310 } 311 312 static int 313 nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo, 314 uint32_t offset, uint32_t stride, uint32_t h, 315 uint32_t tile_mode) 316 { 317 uint32_t gob_size, bw, bh; 318 uint64_t bl_size; 319 320 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 321 322 if (drm->client.device.info.chipset >= 0xc0) { 323 if (tile_mode & 0xF) 324 return -EINVAL; 325 tile_mode >>= 4; 326 } 327 328 if (tile_mode & 0xFFFFFFF0) 329 return -EINVAL; 330 331 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) 332 gob_size = 256; 333 else 334 gob_size = 512; 335 336 bw = nouveau_get_width_in_blocks(stride); 337 bh = nouveau_get_height_in_blocks(drm, h, tile_mode); 338 339 bl_size = bw * bh * (1 << tile_mode) * gob_size; 340 341 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", 342 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size, 343 nvbo->bo.mem.size); 344 345 if (bl_size + offset > nvbo->bo.mem.size) 346 return -ERANGE; 347 348 return 0; 349 } 350 351 int 352 nouveau_framebuffer_new(struct drm_device *dev, 353 const struct drm_mode_fb_cmd2 *mode_cmd, 354 struct drm_gem_object *gem, 355 struct drm_framebuffer **pfb) 356 { 357 struct nouveau_drm *drm = nouveau_drm(dev); 358 struct nouveau_bo *nvbo = nouveau_gem_object(gem); 359 struct drm_framebuffer *fb; 360 const struct drm_format_info *info; 361 unsigned int width, height, i; 362 uint32_t tile_mode; 363 uint8_t kind; 364 int ret; 365 366 /* YUV overlays have special requirements pre-NV50 */ 367 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && 368 369 (mode_cmd->pixel_format == DRM_FORMAT_YUYV || 370 mode_cmd->pixel_format == DRM_FORMAT_UYVY || 371 mode_cmd->pixel_format == DRM_FORMAT_NV12 || 372 mode_cmd->pixel_format == DRM_FORMAT_NV21) && 373 (mode_cmd->pitches[0] & 0x3f || /* align 64 */ 374 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ 375 (mode_cmd->pitches[1] && /* pitches for planes must match */ 376 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { 377 struct drm_format_name_buf format_name; 378 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n", 379 drm_get_format_name(mode_cmd->pixel_format, 380 &format_name), 381 mode_cmd->pitches[0], 382 mode_cmd->pitches[1]); 383 return -EINVAL; 384 } 385 386 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { 387 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0], 388 &tile_mode, &kind)) { 389 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n", 390 mode_cmd->modifier[0]); 391 return -EINVAL; 392 } 393 } else { 394 tile_mode = nvbo->mode; 395 kind = nvbo->kind; 396 } 397 398 info = drm_get_format_info(dev, mode_cmd); 399 400 for (i = 0; i < info->num_planes; i++) { 401 width = drm_format_info_plane_width(info, 402 mode_cmd->width, 403 i); 404 height = drm_format_info_plane_height(info, 405 mode_cmd->height, 406 i); 407 408 if (kind) { 409 ret = nouveau_check_bl_size(drm, nvbo, 410 mode_cmd->offsets[i], 411 mode_cmd->pitches[i], 412 height, tile_mode); 413 if (ret) 414 return ret; 415 } else { 416 uint32_t size = mode_cmd->pitches[i] * height; 417 418 if (size + mode_cmd->offsets[i] > nvbo->bo.mem.size) 419 return -ERANGE; 420 } 421 } 422 423 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 424 return -ENOMEM; 425 426 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); 427 fb->obj[0] = gem; 428 429 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 430 if (ret) 431 kfree(fb); 432 return ret; 433 } 434 435 struct drm_framebuffer * 436 nouveau_user_framebuffer_create(struct drm_device *dev, 437 struct drm_file *file_priv, 438 const struct drm_mode_fb_cmd2 *mode_cmd) 439 { 440 struct drm_framebuffer *fb; 441 struct drm_gem_object *gem; 442 int ret; 443 444 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 445 if (!gem) 446 return ERR_PTR(-ENOENT); 447 448 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb); 449 if (ret == 0) 450 return fb; 451 452 drm_gem_object_put_unlocked(gem); 453 return ERR_PTR(ret); 454 } 455 456 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 457 .fb_create = nouveau_user_framebuffer_create, 458 .output_poll_changed = nouveau_fbcon_output_poll_changed, 459 }; 460 461 462 struct nouveau_drm_prop_enum_list { 463 u8 gen_mask; 464 int type; 465 char *name; 466 }; 467 468 static struct nouveau_drm_prop_enum_list underscan[] = { 469 { 6, UNDERSCAN_AUTO, "auto" }, 470 { 6, UNDERSCAN_OFF, "off" }, 471 { 6, UNDERSCAN_ON, "on" }, 472 {} 473 }; 474 475 static struct nouveau_drm_prop_enum_list dither_mode[] = { 476 { 7, DITHERING_MODE_AUTO, "auto" }, 477 { 7, DITHERING_MODE_OFF, "off" }, 478 { 1, DITHERING_MODE_ON, "on" }, 479 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 480 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 481 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 482 {} 483 }; 484 485 static struct nouveau_drm_prop_enum_list dither_depth[] = { 486 { 6, DITHERING_DEPTH_AUTO, "auto" }, 487 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 488 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 489 {} 490 }; 491 492 #define PROP_ENUM(p,gen,n,list) do { \ 493 struct nouveau_drm_prop_enum_list *l = (list); \ 494 int c = 0; \ 495 while (l->gen_mask) { \ 496 if (l->gen_mask & (1 << (gen))) \ 497 c++; \ 498 l++; \ 499 } \ 500 if (c) { \ 501 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 502 l = (list); \ 503 while (p && l->gen_mask) { \ 504 if (l->gen_mask & (1 << (gen))) { \ 505 drm_property_add_enum(p, l->type, l->name); \ 506 } \ 507 l++; \ 508 } \ 509 } \ 510 } while(0) 511 512 static void 513 nouveau_display_hpd_work(struct work_struct *work) 514 { 515 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 516 517 pm_runtime_get_sync(drm->dev->dev); 518 519 drm_helper_hpd_irq_event(drm->dev); 520 521 pm_runtime_mark_last_busy(drm->dev->dev); 522 pm_runtime_put_sync(drm->dev->dev); 523 } 524 525 #ifdef CONFIG_ACPI 526 527 static int 528 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 529 void *data) 530 { 531 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 532 struct acpi_bus_event *info = data; 533 int ret; 534 535 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 536 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 537 ret = pm_runtime_get(drm->dev->dev); 538 if (ret == 1 || ret == -EACCES) { 539 /* If the GPU is already awake, or in a state 540 * where we can't wake it up, it can handle 541 * it's own hotplug events. 542 */ 543 pm_runtime_put_autosuspend(drm->dev->dev); 544 } else if (ret == 0) { 545 /* This may be the only indication we receive 546 * of a connector hotplug on a runtime 547 * suspended GPU, schedule hpd_work to check. 548 */ 549 NV_DEBUG(drm, "ACPI requested connector reprobe\n"); 550 schedule_work(&drm->hpd_work); 551 pm_runtime_put_noidle(drm->dev->dev); 552 } else { 553 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n", 554 ret); 555 } 556 557 /* acpi-video should not generate keypresses for this */ 558 return NOTIFY_BAD; 559 } 560 } 561 562 return NOTIFY_DONE; 563 } 564 #endif 565 566 int 567 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime) 568 { 569 struct nouveau_display *disp = nouveau_display(dev); 570 struct drm_connector *connector; 571 struct drm_connector_list_iter conn_iter; 572 int ret; 573 574 /* 575 * Enable hotplug interrupts (done as early as possible, since we need 576 * them for MST) 577 */ 578 drm_connector_list_iter_begin(dev, &conn_iter); 579 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 580 struct nouveau_connector *conn = nouveau_connector(connector); 581 nvif_notify_get(&conn->hpd); 582 } 583 drm_connector_list_iter_end(&conn_iter); 584 585 ret = disp->init(dev, resume, runtime); 586 if (ret) 587 return ret; 588 589 /* enable connector detection and polling for connectors without HPD 590 * support 591 */ 592 drm_kms_helper_poll_enable(dev); 593 594 return ret; 595 } 596 597 void 598 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime) 599 { 600 struct nouveau_display *disp = nouveau_display(dev); 601 struct nouveau_drm *drm = nouveau_drm(dev); 602 struct drm_connector *connector; 603 struct drm_connector_list_iter conn_iter; 604 605 if (!suspend) { 606 if (drm_drv_uses_atomic_modeset(dev)) 607 drm_atomic_helper_shutdown(dev); 608 else 609 drm_helper_force_disable_all(dev); 610 } 611 612 /* disable hotplug interrupts */ 613 drm_connector_list_iter_begin(dev, &conn_iter); 614 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 615 struct nouveau_connector *conn = nouveau_connector(connector); 616 nvif_notify_put(&conn->hpd); 617 } 618 drm_connector_list_iter_end(&conn_iter); 619 620 if (!runtime) 621 cancel_work_sync(&drm->hpd_work); 622 623 drm_kms_helper_poll_disable(dev); 624 disp->fini(dev, suspend); 625 } 626 627 static void 628 nouveau_display_create_properties(struct drm_device *dev) 629 { 630 struct nouveau_display *disp = nouveau_display(dev); 631 int gen; 632 633 if (disp->disp.object.oclass < NV50_DISP) 634 gen = 0; 635 else 636 if (disp->disp.object.oclass < GF110_DISP) 637 gen = 1; 638 else 639 gen = 2; 640 641 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 642 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 643 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 644 645 disp->underscan_hborder_property = 646 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 647 648 disp->underscan_vborder_property = 649 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 650 651 if (gen < 1) 652 return; 653 654 /* -90..+90 */ 655 disp->vibrant_hue_property = 656 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 657 658 /* -100..+100 */ 659 disp->color_vibrance_property = 660 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 661 } 662 663 int 664 nouveau_display_create(struct drm_device *dev) 665 { 666 struct nouveau_drm *drm = nouveau_drm(dev); 667 struct nvkm_device *device = nvxx_device(&drm->client.device); 668 struct nouveau_display *disp; 669 int ret; 670 671 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 672 if (!disp) 673 return -ENOMEM; 674 675 drm_mode_config_init(dev); 676 drm_mode_create_scaling_mode_property(dev); 677 drm_mode_create_dvi_i_properties(dev); 678 679 dev->mode_config.funcs = &nouveau_mode_config_funcs; 680 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 681 682 dev->mode_config.min_width = 0; 683 dev->mode_config.min_height = 0; 684 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 685 dev->mode_config.max_width = 2048; 686 dev->mode_config.max_height = 2048; 687 } else 688 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 689 dev->mode_config.max_width = 4096; 690 dev->mode_config.max_height = 4096; 691 } else 692 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 693 dev->mode_config.max_width = 8192; 694 dev->mode_config.max_height = 8192; 695 } else { 696 dev->mode_config.max_width = 16384; 697 dev->mode_config.max_height = 16384; 698 } 699 700 dev->mode_config.preferred_depth = 24; 701 dev->mode_config.prefer_shadow = 1; 702 dev->mode_config.allow_fb_modifiers = true; 703 704 if (drm->client.device.info.chipset < 0x11) 705 dev->mode_config.async_page_flip = false; 706 else 707 dev->mode_config.async_page_flip = true; 708 709 drm_kms_helper_poll_init(dev); 710 drm_kms_helper_poll_disable(dev); 711 712 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 713 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp); 714 if (ret == 0) { 715 nouveau_display_create_properties(dev); 716 if (disp->disp.object.oclass < NV50_DISP) 717 ret = nv04_display_create(dev); 718 else 719 ret = nv50_display_create(dev); 720 } 721 } else { 722 ret = 0; 723 } 724 725 if (ret) 726 goto disp_create_err; 727 728 drm_mode_config_reset(dev); 729 730 if (dev->mode_config.num_crtc) { 731 ret = nouveau_display_vblank_init(dev); 732 if (ret) 733 goto vblank_err; 734 } 735 736 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 737 #ifdef CONFIG_ACPI 738 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 739 register_acpi_notifier(&drm->acpi_nb); 740 #endif 741 742 return 0; 743 744 vblank_err: 745 disp->dtor(dev); 746 disp_create_err: 747 drm_kms_helper_poll_fini(dev); 748 drm_mode_config_cleanup(dev); 749 return ret; 750 } 751 752 void 753 nouveau_display_destroy(struct drm_device *dev) 754 { 755 struct nouveau_display *disp = nouveau_display(dev); 756 757 #ifdef CONFIG_ACPI 758 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 759 #endif 760 nouveau_display_vblank_fini(dev); 761 762 drm_kms_helper_poll_fini(dev); 763 drm_mode_config_cleanup(dev); 764 765 if (disp->dtor) 766 disp->dtor(dev); 767 768 nvif_disp_dtor(&disp->disp); 769 770 nouveau_drm(dev)->display = NULL; 771 kfree(disp); 772 } 773 774 int 775 nouveau_display_suspend(struct drm_device *dev, bool runtime) 776 { 777 struct nouveau_display *disp = nouveau_display(dev); 778 779 if (drm_drv_uses_atomic_modeset(dev)) { 780 if (!runtime) { 781 disp->suspend = drm_atomic_helper_suspend(dev); 782 if (IS_ERR(disp->suspend)) { 783 int ret = PTR_ERR(disp->suspend); 784 disp->suspend = NULL; 785 return ret; 786 } 787 } 788 } 789 790 nouveau_display_fini(dev, true, runtime); 791 return 0; 792 } 793 794 void 795 nouveau_display_resume(struct drm_device *dev, bool runtime) 796 { 797 struct nouveau_display *disp = nouveau_display(dev); 798 799 nouveau_display_init(dev, true, runtime); 800 801 if (drm_drv_uses_atomic_modeset(dev)) { 802 if (disp->suspend) { 803 drm_atomic_helper_resume(dev, disp->suspend); 804 disp->suspend = NULL; 805 } 806 return; 807 } 808 } 809 810 int 811 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 812 struct drm_mode_create_dumb *args) 813 { 814 struct nouveau_cli *cli = nouveau_cli(file_priv); 815 struct nouveau_bo *bo; 816 uint32_t domain; 817 int ret; 818 819 args->pitch = roundup(args->width * (args->bpp / 8), 256); 820 args->size = args->pitch * args->height; 821 args->size = roundup(args->size, PAGE_SIZE); 822 823 /* Use VRAM if there is any ; otherwise fallback to system memory */ 824 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 825 domain = NOUVEAU_GEM_DOMAIN_VRAM; 826 else 827 domain = NOUVEAU_GEM_DOMAIN_GART; 828 829 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 830 if (ret) 831 return ret; 832 833 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle); 834 drm_gem_object_put_unlocked(&bo->bo.base); 835 return ret; 836 } 837 838 int 839 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 840 struct drm_device *dev, 841 uint32_t handle, uint64_t *poffset) 842 { 843 struct drm_gem_object *gem; 844 845 gem = drm_gem_object_lookup(file_priv, handle); 846 if (gem) { 847 struct nouveau_bo *bo = nouveau_gem_object(gem); 848 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node); 849 drm_gem_object_put_unlocked(gem); 850 return 0; 851 } 852 853 return -ENOENT; 854 } 855