1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 #include <drm/drmP.h> 29 #include "radeon.h" 30 #include <drm/radeon_drm.h> 31 #include "radeon_asic.h" 32 #include "radeon_kms.h" 33 34 #include <linux/slab.h> 35 #ifdef PM_TODO 36 #include <linux/pm_runtime.h> 37 #endif 38 39 #ifdef PM_TODO 40 #if defined(CONFIG_VGA_SWITCHEROO) 41 bool radeon_has_atpx(void); 42 #else 43 static inline bool radeon_has_atpx(void) { return false; } 44 #endif 45 #endif 46 47 /** 48 * radeon_driver_unload_kms - Main unload function for KMS. 49 * 50 * @dev: drm dev pointer 51 * 52 * This is the main unload function for KMS (all asics). 53 * It calls radeon_modeset_fini() to tear down the 54 * displays, and radeon_device_fini() to tear down 55 * the rest of the device (CP, writeback, etc.). 56 * Returns 0 on success. 57 */ 58 int radeon_driver_unload_kms(struct drm_device *dev) 59 { 60 struct radeon_device *rdev = dev->dev_private; 61 62 if (rdev == NULL) 63 return 0; 64 65 if (rdev->rmmio == NULL) 66 goto done_free; 67 68 #ifdef PM_TODO 69 pm_runtime_get_sync(dev->dev); 70 #endif 71 72 radeon_acpi_fini(rdev); 73 radeon_modeset_fini(rdev); 74 radeon_device_fini(rdev); 75 76 done_free: 77 /* XXX pending drm update, after this accessing pdev is illegal! */ 78 drm_fini_pdev(&dev->pdev); 79 kfree(rdev); 80 dev->dev_private = NULL; 81 return 0; 82 } 83 84 /** 85 * radeon_driver_load_kms - Main load function for KMS. 86 * 87 * @dev: drm dev pointer 88 * @flags: device flags 89 * 90 * This is the main load function for KMS (all asics). 91 * It calls radeon_device_init() to set up the non-display 92 * parts of the chip (asic init, CP, writeback, etc.), and 93 * radeon_modeset_init() to set up the display parts 94 * (crtcs, encoders, hotplug detect, etc.). 95 * Returns 0 on success, error on failure. 96 */ 97 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) 98 { 99 struct radeon_device *rdev; 100 int r, acpi_status; 101 102 rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL); 103 if (rdev == NULL) { 104 return -ENOMEM; 105 } 106 dev->dev_private = (void *)rdev; 107 108 /* update BUS flag */ 109 if (drm_pci_device_is_agp(dev)) { 110 DRM_INFO("RADEON_IS_AGP\n"); 111 flags |= RADEON_IS_AGP; 112 } else if (pci_is_pcie(dev->dev->bsddev)) { 113 DRM_INFO("RADEON_IS_PCIE\n"); 114 flags |= RADEON_IS_PCIE; 115 } else { 116 DRM_INFO("RADEON_IS_PCI\n"); 117 flags |= RADEON_IS_PCI; 118 } 119 120 #ifdef PM_TODO 121 if ((radeon_runtime_pm != 0) && 122 radeon_has_atpx() && 123 ((flags & RADEON_IS_IGP) == 0)) 124 #endif 125 126 /* radeon_device_init should report only fatal error 127 * like memory allocation failure or iomapping failure, 128 * or memory manager initialization failure, it must 129 * properly initialize the GPU MC controller and permit 130 * VRAM allocation 131 */ 132 r = radeon_device_init(rdev, dev, dev->pdev, flags); 133 if (r) { 134 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n"); 135 goto out; 136 } 137 138 /* Again modeset_init should fail only on fatal error 139 * otherwise it should provide enough functionalities 140 * for shadowfb to run 141 */ 142 r = radeon_modeset_init(rdev); 143 if (r) 144 dev_err(&dev->pdev->dev, "Fatal error during modeset init\n"); 145 146 /* Call ACPI methods: require modeset init 147 * but failure is not fatal 148 */ 149 if (!r) { 150 acpi_status = radeon_acpi_init(rdev); 151 if (acpi_status) 152 dev_dbg(&dev->pdev->dev, 153 "Error during ACPI methods call\n"); 154 } 155 156 #ifdef PM_TODO 157 if (radeon_is_px(dev)) { 158 pm_runtime_use_autosuspend(dev->dev); 159 pm_runtime_set_autosuspend_delay(dev->dev, 5000); 160 pm_runtime_set_active(dev->dev); 161 pm_runtime_allow(dev->dev); 162 pm_runtime_mark_last_busy(dev->dev); 163 pm_runtime_put_autosuspend(dev->dev); 164 } 165 #endif 166 167 out: 168 if (r) 169 radeon_driver_unload_kms(dev); 170 171 172 return r; 173 } 174 175 /** 176 * radeon_set_filp_rights - Set filp right. 177 * 178 * @dev: drm dev pointer 179 * @owner: drm file 180 * @applier: drm file 181 * @value: value 182 * 183 * Sets the filp rights for the device (all asics). 184 */ 185 static void radeon_set_filp_rights(struct drm_device *dev, 186 struct drm_file **owner, 187 struct drm_file *applier, 188 uint32_t *value) 189 { 190 mutex_lock(&dev->struct_mutex); 191 if (*value == 1) { 192 /* wants rights */ 193 if (!*owner) 194 *owner = applier; 195 } else if (*value == 0) { 196 /* revokes rights */ 197 if (*owner == applier) 198 *owner = NULL; 199 } 200 *value = *owner == applier ? 1 : 0; 201 mutex_unlock(&dev->struct_mutex); 202 } 203 204 /* 205 * Userspace get information ioctl 206 */ 207 /** 208 * radeon_info_ioctl - answer a device specific request. 209 * 210 * @rdev: radeon device pointer 211 * @data: request object 212 * @filp: drm filp 213 * 214 * This function is used to pass device specific parameters to the userspace 215 * drivers. Examples include: pci device id, pipeline parms, tiling params, 216 * etc. (all asics). 217 * Returns 0 on success, -EINVAL on failure. 218 */ 219 static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) 220 { 221 struct radeon_device *rdev = dev->dev_private; 222 struct drm_radeon_info *info = data; 223 struct radeon_mode_info *minfo = &rdev->mode_info; 224 uint32_t *value, value_tmp, *value_ptr, value_size; 225 uint64_t value64; 226 struct drm_crtc *crtc; 227 int i, found; 228 229 value_ptr = (uint32_t *)((unsigned long)info->value); 230 value = &value_tmp; 231 value_size = sizeof(uint32_t); 232 233 switch (info->request) { 234 case RADEON_INFO_DEVICE_ID: 235 *value = dev->pdev->device; 236 break; 237 case RADEON_INFO_NUM_GB_PIPES: 238 *value = rdev->num_gb_pipes; 239 break; 240 case RADEON_INFO_NUM_Z_PIPES: 241 *value = rdev->num_z_pipes; 242 break; 243 case RADEON_INFO_ACCEL_WORKING: 244 /* xf86-video-ati 6.13.0 relies on this being false for evergreen */ 245 if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) 246 *value = false; 247 else 248 *value = rdev->accel_working; 249 break; 250 case RADEON_INFO_CRTC_FROM_ID: 251 if (copy_from_user(value, value_ptr, sizeof(uint32_t))) { 252 DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__); 253 return -EFAULT; 254 } 255 for (i = 0, found = 0; i < rdev->num_crtc; i++) { 256 crtc = (struct drm_crtc *)minfo->crtcs[i]; 257 if (crtc && crtc->base.id == *value) { 258 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 259 *value = radeon_crtc->crtc_id; 260 found = 1; 261 break; 262 } 263 } 264 if (!found) { 265 DRM_DEBUG_KMS("unknown crtc id %d\n", *value); 266 return -EINVAL; 267 } 268 break; 269 case RADEON_INFO_ACCEL_WORKING2: 270 if (rdev->family == CHIP_HAWAII) { 271 if (rdev->accel_working) { 272 if (rdev->new_fw) 273 *value = 3; 274 else 275 *value = 2; 276 } else { 277 *value = 0; 278 } 279 } else { 280 *value = rdev->accel_working; 281 } 282 break; 283 case RADEON_INFO_TILING_CONFIG: 284 if (rdev->family >= CHIP_BONAIRE) 285 *value = rdev->config.cik.tile_config; 286 else if (rdev->family >= CHIP_TAHITI) 287 *value = rdev->config.si.tile_config; 288 else if (rdev->family >= CHIP_CAYMAN) 289 *value = rdev->config.cayman.tile_config; 290 else if (rdev->family >= CHIP_CEDAR) 291 *value = rdev->config.evergreen.tile_config; 292 else if (rdev->family >= CHIP_RV770) 293 *value = rdev->config.rv770.tile_config; 294 else if (rdev->family >= CHIP_R600) 295 *value = rdev->config.r600.tile_config; 296 else { 297 DRM_DEBUG_KMS("tiling config is r6xx+ only!\n"); 298 return -EINVAL; 299 } 300 break; 301 case RADEON_INFO_WANT_HYPERZ: 302 /* The "value" here is both an input and output parameter. 303 * If the input value is 1, filp requests hyper-z access. 304 * If the input value is 0, filp revokes its hyper-z access. 305 * 306 * When returning, the value is 1 if filp owns hyper-z access, 307 * 0 otherwise. */ 308 if (copy_from_user(value, value_ptr, sizeof(uint32_t))) { 309 DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__); 310 return -EFAULT; 311 } 312 if (*value >= 2) { 313 DRM_DEBUG_KMS("WANT_HYPERZ: invalid value %d\n", *value); 314 return -EINVAL; 315 } 316 radeon_set_filp_rights(dev, &rdev->hyperz_filp, filp, value); 317 break; 318 case RADEON_INFO_WANT_CMASK: 319 /* The same logic as Hyper-Z. */ 320 if (copy_from_user(value, value_ptr, sizeof(uint32_t))) { 321 DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__); 322 return -EFAULT; 323 } 324 if (*value >= 2) { 325 DRM_DEBUG_KMS("WANT_CMASK: invalid value %d\n", *value); 326 return -EINVAL; 327 } 328 radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, value); 329 break; 330 case RADEON_INFO_CLOCK_CRYSTAL_FREQ: 331 /* return clock value in KHz */ 332 if (rdev->asic->get_xclk) 333 *value = radeon_get_xclk(rdev) * 10; 334 else 335 *value = rdev->clock.spll.reference_freq * 10; 336 break; 337 case RADEON_INFO_NUM_BACKENDS: 338 if (rdev->family >= CHIP_BONAIRE) 339 *value = rdev->config.cik.max_backends_per_se * 340 rdev->config.cik.max_shader_engines; 341 else if (rdev->family >= CHIP_TAHITI) 342 *value = rdev->config.si.max_backends_per_se * 343 rdev->config.si.max_shader_engines; 344 else if (rdev->family >= CHIP_CAYMAN) 345 *value = rdev->config.cayman.max_backends_per_se * 346 rdev->config.cayman.max_shader_engines; 347 else if (rdev->family >= CHIP_CEDAR) 348 *value = rdev->config.evergreen.max_backends; 349 else if (rdev->family >= CHIP_RV770) 350 *value = rdev->config.rv770.max_backends; 351 else if (rdev->family >= CHIP_R600) 352 *value = rdev->config.r600.max_backends; 353 else { 354 return -EINVAL; 355 } 356 break; 357 case RADEON_INFO_NUM_TILE_PIPES: 358 if (rdev->family >= CHIP_BONAIRE) 359 *value = rdev->config.cik.max_tile_pipes; 360 else if (rdev->family >= CHIP_TAHITI) 361 *value = rdev->config.si.max_tile_pipes; 362 else if (rdev->family >= CHIP_CAYMAN) 363 *value = rdev->config.cayman.max_tile_pipes; 364 else if (rdev->family >= CHIP_CEDAR) 365 *value = rdev->config.evergreen.max_tile_pipes; 366 else if (rdev->family >= CHIP_RV770) 367 *value = rdev->config.rv770.max_tile_pipes; 368 else if (rdev->family >= CHIP_R600) 369 *value = rdev->config.r600.max_tile_pipes; 370 else { 371 return -EINVAL; 372 } 373 break; 374 case RADEON_INFO_FUSION_GART_WORKING: 375 *value = 1; 376 break; 377 case RADEON_INFO_BACKEND_MAP: 378 if (rdev->family >= CHIP_BONAIRE) 379 *value = rdev->config.cik.backend_map; 380 else if (rdev->family >= CHIP_TAHITI) 381 *value = rdev->config.si.backend_map; 382 else if (rdev->family >= CHIP_CAYMAN) 383 *value = rdev->config.cayman.backend_map; 384 else if (rdev->family >= CHIP_CEDAR) 385 *value = rdev->config.evergreen.backend_map; 386 else if (rdev->family >= CHIP_RV770) 387 *value = rdev->config.rv770.backend_map; 388 else if (rdev->family >= CHIP_R600) 389 *value = rdev->config.r600.backend_map; 390 else { 391 return -EINVAL; 392 } 393 break; 394 case RADEON_INFO_VA_START: 395 /* this is where we report if vm is supported or not */ 396 if (rdev->family < CHIP_CAYMAN) 397 return -EINVAL; 398 *value = RADEON_VA_RESERVED_SIZE; 399 break; 400 case RADEON_INFO_IB_VM_MAX_SIZE: 401 /* this is where we report if vm is supported or not */ 402 if (rdev->family < CHIP_CAYMAN) 403 return -EINVAL; 404 *value = RADEON_IB_VM_MAX_SIZE; 405 break; 406 case RADEON_INFO_MAX_PIPES: 407 if (rdev->family >= CHIP_BONAIRE) 408 *value = rdev->config.cik.max_cu_per_sh; 409 else if (rdev->family >= CHIP_TAHITI) 410 *value = rdev->config.si.max_cu_per_sh; 411 else if (rdev->family >= CHIP_CAYMAN) 412 *value = rdev->config.cayman.max_pipes_per_simd; 413 else if (rdev->family >= CHIP_CEDAR) 414 *value = rdev->config.evergreen.max_pipes; 415 else if (rdev->family >= CHIP_RV770) 416 *value = rdev->config.rv770.max_pipes; 417 else if (rdev->family >= CHIP_R600) 418 *value = rdev->config.r600.max_pipes; 419 else { 420 return -EINVAL; 421 } 422 break; 423 case RADEON_INFO_TIMESTAMP: 424 if (rdev->family < CHIP_R600) { 425 DRM_DEBUG_KMS("timestamp is r6xx+ only!\n"); 426 return -EINVAL; 427 } 428 value = (uint32_t*)&value64; 429 value_size = sizeof(uint64_t); 430 value64 = radeon_get_gpu_clock_counter(rdev); 431 break; 432 case RADEON_INFO_MAX_SE: 433 if (rdev->family >= CHIP_BONAIRE) 434 *value = rdev->config.cik.max_shader_engines; 435 else if (rdev->family >= CHIP_TAHITI) 436 *value = rdev->config.si.max_shader_engines; 437 else if (rdev->family >= CHIP_CAYMAN) 438 *value = rdev->config.cayman.max_shader_engines; 439 else if (rdev->family >= CHIP_CEDAR) 440 *value = rdev->config.evergreen.num_ses; 441 else 442 *value = 1; 443 break; 444 case RADEON_INFO_MAX_SH_PER_SE: 445 if (rdev->family >= CHIP_BONAIRE) 446 *value = rdev->config.cik.max_sh_per_se; 447 else if (rdev->family >= CHIP_TAHITI) 448 *value = rdev->config.si.max_sh_per_se; 449 else 450 return -EINVAL; 451 break; 452 case RADEON_INFO_FASTFB_WORKING: 453 *value = rdev->fastfb_working; 454 break; 455 case RADEON_INFO_RING_WORKING: 456 if (copy_from_user(value, value_ptr, sizeof(uint32_t))) { 457 DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__); 458 return -EFAULT; 459 } 460 switch (*value) { 461 case RADEON_CS_RING_GFX: 462 case RADEON_CS_RING_COMPUTE: 463 *value = rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready; 464 break; 465 case RADEON_CS_RING_DMA: 466 *value = rdev->ring[R600_RING_TYPE_DMA_INDEX].ready; 467 *value |= rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready; 468 break; 469 case RADEON_CS_RING_UVD: 470 *value = rdev->ring[R600_RING_TYPE_UVD_INDEX].ready; 471 break; 472 case RADEON_CS_RING_VCE: 473 *value = rdev->ring[TN_RING_TYPE_VCE1_INDEX].ready; 474 break; 475 default: 476 return -EINVAL; 477 } 478 break; 479 case RADEON_INFO_SI_TILE_MODE_ARRAY: 480 if (rdev->family >= CHIP_BONAIRE) { 481 value = rdev->config.cik.tile_mode_array; 482 value_size = sizeof(uint32_t)*32; 483 } else if (rdev->family >= CHIP_TAHITI) { 484 value = rdev->config.si.tile_mode_array; 485 value_size = sizeof(uint32_t)*32; 486 } else { 487 DRM_DEBUG_KMS("tile mode array is si+ only!\n"); 488 return -EINVAL; 489 } 490 break; 491 case RADEON_INFO_CIK_MACROTILE_MODE_ARRAY: 492 if (rdev->family >= CHIP_BONAIRE) { 493 value = rdev->config.cik.macrotile_mode_array; 494 value_size = sizeof(uint32_t)*16; 495 } else { 496 DRM_DEBUG_KMS("macrotile mode array is cik+ only!\n"); 497 return -EINVAL; 498 } 499 break; 500 case RADEON_INFO_SI_CP_DMA_COMPUTE: 501 *value = 1; 502 break; 503 case RADEON_INFO_SI_BACKEND_ENABLED_MASK: 504 if (rdev->family >= CHIP_BONAIRE) { 505 *value = rdev->config.cik.backend_enable_mask; 506 } else if (rdev->family >= CHIP_TAHITI) { 507 *value = rdev->config.si.backend_enable_mask; 508 } else { 509 DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n"); 510 } 511 break; 512 case RADEON_INFO_MAX_SCLK: 513 if ((rdev->pm.pm_method == PM_METHOD_DPM) && 514 rdev->pm.dpm_enabled) 515 *value = rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10; 516 else 517 *value = rdev->pm.default_sclk * 10; 518 break; 519 case RADEON_INFO_VCE_FW_VERSION: 520 *value = rdev->vce.fw_version; 521 break; 522 case RADEON_INFO_VCE_FB_VERSION: 523 *value = rdev->vce.fb_version; 524 break; 525 case RADEON_INFO_NUM_BYTES_MOVED: 526 value = (uint32_t*)&value64; 527 value_size = sizeof(uint64_t); 528 value64 = atomic64_read(&rdev->num_bytes_moved); 529 break; 530 case RADEON_INFO_VRAM_USAGE: 531 value = (uint32_t*)&value64; 532 value_size = sizeof(uint64_t); 533 value64 = atomic64_read(&rdev->vram_usage); 534 break; 535 case RADEON_INFO_GTT_USAGE: 536 value = (uint32_t*)&value64; 537 value_size = sizeof(uint64_t); 538 value64 = atomic64_read(&rdev->gtt_usage); 539 break; 540 case RADEON_INFO_ACTIVE_CU_COUNT: 541 if (rdev->family >= CHIP_BONAIRE) 542 *value = rdev->config.cik.active_cus; 543 else if (rdev->family >= CHIP_TAHITI) 544 *value = rdev->config.si.active_cus; 545 else if (rdev->family >= CHIP_CAYMAN) 546 *value = rdev->config.cayman.active_simds; 547 else if (rdev->family >= CHIP_CEDAR) 548 *value = rdev->config.evergreen.active_simds; 549 else if (rdev->family >= CHIP_RV770) 550 *value = rdev->config.rv770.active_simds; 551 else if (rdev->family >= CHIP_R600) 552 *value = rdev->config.r600.active_simds; 553 else 554 *value = 1; 555 break; 556 default: 557 DRM_DEBUG_KMS("Invalid request %d\n", info->request); 558 return -EINVAL; 559 } 560 if (copy_to_user(value_ptr, (char*)value, value_size)) { 561 DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__); 562 return -EFAULT; 563 } 564 return 0; 565 } 566 567 568 /* 569 * Outdated mess for old drm with Xorg being in charge (void function now). 570 */ 571 /** 572 * radeon_driver_lastclose_kms - drm callback for last close 573 * 574 * @dev: drm dev pointer 575 * 576 * Switch vga switcheroo state after last close (all asics). 577 */ 578 void radeon_driver_lastclose_kms(struct drm_device *dev) 579 { 580 struct radeon_device *rdev = dev->dev_private; 581 582 radeon_fbdev_restore_mode(rdev); 583 #ifdef DUMBBELL_WIP 584 vga_switcheroo_process_delayed_switch(); 585 #endif /* DUMBBELL_WIP */ 586 } 587 588 /** 589 * radeon_driver_open_kms - drm callback for open 590 * 591 * @dev: drm dev pointer 592 * @file_priv: drm file 593 * 594 * On device open, init vm on cayman+ (all asics). 595 * Returns 0 on success, error on failure. 596 */ 597 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) 598 { 599 struct radeon_device *rdev = dev->dev_private; 600 601 file_priv->driver_priv = NULL; 602 603 #ifdef PM_TODO 604 r = pm_runtime_get_sync(dev->dev); 605 if (r < 0) 606 return r; 607 #endif 608 609 /* new gpu have virtual address space support */ 610 if (rdev->family >= CHIP_CAYMAN) { 611 struct radeon_fpriv *fpriv; 612 struct radeon_vm *vm; 613 int r; 614 615 fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); 616 if (unlikely(!fpriv)) { 617 return -ENOMEM; 618 } 619 620 vm = &fpriv->vm; 621 r = radeon_vm_init(rdev, vm); 622 if (r) { 623 kfree(fpriv); 624 return r; 625 } 626 627 if (rdev->accel_working) { 628 r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); 629 if (r) { 630 radeon_vm_fini(rdev, vm); 631 kfree(fpriv); 632 return r; 633 } 634 635 /* map the ib pool buffer read only into 636 * virtual address space */ 637 vm->ib_bo_va = radeon_vm_bo_add(rdev, vm, 638 rdev->ring_tmp_bo.bo); 639 r = radeon_vm_bo_set_addr(rdev, vm->ib_bo_va, 640 RADEON_VA_IB_OFFSET, 641 RADEON_VM_PAGE_READABLE | 642 RADEON_VM_PAGE_SNOOPED); 643 644 radeon_bo_unreserve(rdev->ring_tmp_bo.bo); 645 if (r) { 646 radeon_vm_fini(rdev, vm); 647 kfree(fpriv); 648 return r; 649 } 650 } 651 file_priv->driver_priv = fpriv; 652 } 653 654 #ifdef PM_TODO 655 pm_runtime_mark_last_busy(dev->dev); 656 pm_runtime_put_autosuspend(dev->dev); 657 #endif 658 return 0; 659 } 660 661 /** 662 * radeon_driver_postclose_kms - drm callback for post close 663 * 664 * @dev: drm dev pointer 665 * @file_priv: drm file 666 * 667 * On device post close, tear down vm on cayman+ (all asics). 668 */ 669 void radeon_driver_postclose_kms(struct drm_device *dev, 670 struct drm_file *file_priv) 671 { 672 struct radeon_device *rdev = dev->dev_private; 673 674 /* new gpu have virtual address space support */ 675 if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) { 676 struct radeon_fpriv *fpriv = file_priv->driver_priv; 677 struct radeon_vm *vm = &fpriv->vm; 678 int r; 679 680 if (rdev->accel_working) { 681 r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); 682 if (!r) { 683 if (vm->ib_bo_va) 684 radeon_vm_bo_rmv(rdev, vm->ib_bo_va); 685 radeon_bo_unreserve(rdev->ring_tmp_bo.bo); 686 } 687 } 688 689 radeon_vm_fini(rdev, vm); 690 kfree(fpriv); 691 file_priv->driver_priv = NULL; 692 } 693 } 694 695 /** 696 * radeon_driver_preclose_kms - drm callback for pre close 697 * 698 * @dev: drm dev pointer 699 * @file_priv: drm file 700 * 701 * On device pre close, tear down hyperz and cmask filps on r1xx-r5xx 702 * (all asics). 703 */ 704 void radeon_driver_preclose_kms(struct drm_device *dev, 705 struct drm_file *file_priv) 706 { 707 struct radeon_device *rdev = dev->dev_private; 708 if (rdev->hyperz_filp == file_priv) 709 rdev->hyperz_filp = NULL; 710 if (rdev->cmask_filp == file_priv) 711 rdev->cmask_filp = NULL; 712 radeon_uvd_free_handles(rdev, file_priv); 713 radeon_vce_free_handles(rdev, file_priv); 714 } 715 716 /* 717 * VBlank related functions. 718 */ 719 /** 720 * radeon_get_vblank_counter_kms - get frame count 721 * 722 * @dev: drm dev pointer 723 * @crtc: crtc to get the frame count from 724 * 725 * Gets the frame count on the requested crtc (all asics). 726 * Returns frame count on success, -EINVAL on failure. 727 */ 728 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 729 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc) 730 { 731 int vpos, hpos, stat; 732 u32 count; 733 struct radeon_device *rdev = dev->dev_private; 734 735 if (crtc < 0 || crtc >= rdev->num_crtc) { 736 DRM_ERROR("Invalid crtc %d\n", crtc); 737 return -EINVAL; 738 } 739 740 /* The hw increments its frame counter at start of vsync, not at start 741 * of vblank, as is required by DRM core vblank counter handling. 742 * Cook the hw count here to make it appear to the caller as if it 743 * incremented at start of vblank. We measure distance to start of 744 * vblank in vpos. vpos therefore will be >= 0 between start of vblank 745 * and start of vsync, so vpos >= 0 means to bump the hw frame counter 746 * result by 1 to give the proper appearance to caller. 747 */ 748 if (rdev->mode_info.crtcs[crtc]) { 749 /* Repeat readout if needed to provide stable result if 750 * we cross start of vsync during the queries. 751 */ 752 do { 753 count = radeon_get_vblank_counter(rdev, crtc); 754 /* Ask radeon_get_crtc_scanoutpos to return vpos as 755 * distance to start of vblank, instead of regular 756 * vertical scanout pos. 757 */ 758 stat = radeon_get_crtc_scanoutpos( 759 dev, crtc, GET_DISTANCE_TO_VBLANKSTART, 760 &vpos, &hpos, NULL, NULL, 761 &rdev->mode_info.crtcs[crtc]->base.hwmode); 762 } while (count != radeon_get_vblank_counter(rdev, crtc)); 763 764 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) != 765 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) { 766 DRM_DEBUG_VBL("Query failed! stat %d\n", stat); 767 } 768 else { 769 DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n", 770 crtc, vpos); 771 772 /* Bump counter if we are at >= leading edge of vblank, 773 * but before vsync where vpos would turn negative and 774 * the hw counter really increments. 775 */ 776 if (vpos >= 0) 777 count++; 778 } 779 } 780 else { 781 /* Fallback to use value as is. */ 782 count = radeon_get_vblank_counter(rdev, crtc); 783 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n"); 784 } 785 786 return count; 787 } 788 789 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 790 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 791 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 792 int *max_error, 793 struct timeval *vblank_time, 794 unsigned flags); 795 796 /** 797 * radeon_enable_vblank_kms - enable vblank interrupt 798 * 799 * @dev: drm dev pointer 800 * @crtc: crtc to enable vblank interrupt for 801 * 802 * Enable the interrupt on the requested crtc (all asics). 803 * Returns 0 on success, -EINVAL on failure. 804 */ 805 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc) 806 { 807 struct radeon_device *rdev = dev->dev_private; 808 unsigned long irqflags; 809 int r; 810 811 if (crtc < 0 || crtc >= rdev->num_crtc) { 812 DRM_ERROR("Invalid crtc %d\n", crtc); 813 return -EINVAL; 814 } 815 816 spin_lock_irqsave(&rdev->irq.lock, irqflags); 817 rdev->irq.crtc_vblank_int[crtc] = true; 818 r = radeon_irq_set(rdev); 819 spin_unlock_irqrestore(&rdev->irq.lock, irqflags); 820 return r; 821 } 822 823 /** 824 * radeon_disable_vblank_kms - disable vblank interrupt 825 * 826 * @dev: drm dev pointer 827 * @crtc: crtc to disable vblank interrupt for 828 * 829 * Disable the interrupt on the requested crtc (all asics). 830 */ 831 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc) 832 { 833 struct radeon_device *rdev = dev->dev_private; 834 unsigned long irqflags; 835 836 if (crtc < 0 || crtc >= rdev->num_crtc) { 837 DRM_ERROR("Invalid crtc %d\n", crtc); 838 return; 839 } 840 841 spin_lock_irqsave(&rdev->irq.lock, irqflags); 842 rdev->irq.crtc_vblank_int[crtc] = false; 843 radeon_irq_set(rdev); 844 spin_unlock_irqrestore(&rdev->irq.lock, irqflags); 845 } 846 847 /** 848 * radeon_get_vblank_timestamp_kms - get vblank timestamp 849 * 850 * @dev: drm dev pointer 851 * @crtc: crtc to get the timestamp for 852 * @max_error: max error 853 * @vblank_time: time value 854 * @flags: flags passed to the driver 855 * 856 * Gets the timestamp on the requested crtc based on the 857 * scanout position. (all asics). 858 * Returns postive status flags on success, negative error on failure. 859 */ 860 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 861 int *max_error, 862 struct timeval *vblank_time, 863 unsigned flags) 864 { 865 struct drm_crtc *drmcrtc; 866 struct radeon_device *rdev = dev->dev_private; 867 868 if (crtc < 0 || crtc >= dev->num_crtcs) { 869 DRM_ERROR("Invalid crtc %d\n", crtc); 870 return -EINVAL; 871 } 872 873 /* Get associated drm_crtc: */ 874 drmcrtc = &rdev->mode_info.crtcs[crtc]->base; 875 if (!drmcrtc) 876 return -EINVAL; 877 878 /* Helper routine in DRM core does all the work: */ 879 return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error, 880 vblank_time, flags, 881 &drmcrtc->hwmode); 882 } 883 884 #define KMS_INVALID_IOCTL(name) \ 885 static int name(struct drm_device *dev, void *data, struct drm_file \ 886 *file_priv) \ 887 { \ 888 DRM_ERROR("invalid ioctl with kms %s\n", __func__); \ 889 return -EINVAL; \ 890 } 891 892 /* 893 * All these ioctls are invalid in kms world. 894 */ 895 KMS_INVALID_IOCTL(radeon_cp_init_kms) 896 KMS_INVALID_IOCTL(radeon_cp_start_kms) 897 KMS_INVALID_IOCTL(radeon_cp_stop_kms) 898 KMS_INVALID_IOCTL(radeon_cp_reset_kms) 899 KMS_INVALID_IOCTL(radeon_cp_idle_kms) 900 KMS_INVALID_IOCTL(radeon_cp_resume_kms) 901 KMS_INVALID_IOCTL(radeon_engine_reset_kms) 902 KMS_INVALID_IOCTL(radeon_fullscreen_kms) 903 KMS_INVALID_IOCTL(radeon_cp_swap_kms) 904 KMS_INVALID_IOCTL(radeon_cp_clear_kms) 905 KMS_INVALID_IOCTL(radeon_cp_vertex_kms) 906 KMS_INVALID_IOCTL(radeon_cp_indices_kms) 907 KMS_INVALID_IOCTL(radeon_cp_texture_kms) 908 KMS_INVALID_IOCTL(radeon_cp_stipple_kms) 909 KMS_INVALID_IOCTL(radeon_cp_indirect_kms) 910 KMS_INVALID_IOCTL(radeon_cp_vertex2_kms) 911 KMS_INVALID_IOCTL(radeon_cp_cmdbuf_kms) 912 KMS_INVALID_IOCTL(radeon_cp_getparam_kms) 913 KMS_INVALID_IOCTL(radeon_cp_flip_kms) 914 KMS_INVALID_IOCTL(radeon_mem_alloc_kms) 915 KMS_INVALID_IOCTL(radeon_mem_free_kms) 916 KMS_INVALID_IOCTL(radeon_mem_init_heap_kms) 917 KMS_INVALID_IOCTL(radeon_irq_emit_kms) 918 KMS_INVALID_IOCTL(radeon_irq_wait_kms) 919 KMS_INVALID_IOCTL(radeon_cp_setparam_kms) 920 KMS_INVALID_IOCTL(radeon_surface_alloc_kms) 921 KMS_INVALID_IOCTL(radeon_surface_free_kms) 922 923 924 const struct drm_ioctl_desc radeon_ioctls_kms[] = { 925 DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, radeon_cp_init_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 926 DRM_IOCTL_DEF_DRV(RADEON_CP_START, radeon_cp_start_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 927 DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, radeon_cp_stop_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 928 DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, radeon_cp_reset_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 929 DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, radeon_cp_idle_kms, DRM_AUTH), 930 DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, radeon_cp_resume_kms, DRM_AUTH), 931 DRM_IOCTL_DEF_DRV(RADEON_RESET, radeon_engine_reset_kms, DRM_AUTH), 932 DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, radeon_fullscreen_kms, DRM_AUTH), 933 DRM_IOCTL_DEF_DRV(RADEON_SWAP, radeon_cp_swap_kms, DRM_AUTH), 934 DRM_IOCTL_DEF_DRV(RADEON_CLEAR, radeon_cp_clear_kms, DRM_AUTH), 935 DRM_IOCTL_DEF_DRV(RADEON_VERTEX, radeon_cp_vertex_kms, DRM_AUTH), 936 DRM_IOCTL_DEF_DRV(RADEON_INDICES, radeon_cp_indices_kms, DRM_AUTH), 937 DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, radeon_cp_texture_kms, DRM_AUTH), 938 DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, radeon_cp_stipple_kms, DRM_AUTH), 939 DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, radeon_cp_indirect_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 940 DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, radeon_cp_vertex2_kms, DRM_AUTH), 941 DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, radeon_cp_cmdbuf_kms, DRM_AUTH), 942 DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, radeon_cp_getparam_kms, DRM_AUTH), 943 DRM_IOCTL_DEF_DRV(RADEON_FLIP, radeon_cp_flip_kms, DRM_AUTH), 944 DRM_IOCTL_DEF_DRV(RADEON_ALLOC, radeon_mem_alloc_kms, DRM_AUTH), 945 DRM_IOCTL_DEF_DRV(RADEON_FREE, radeon_mem_free_kms, DRM_AUTH), 946 DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, radeon_mem_init_heap_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 947 DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, radeon_irq_emit_kms, DRM_AUTH), 948 DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, radeon_irq_wait_kms, DRM_AUTH), 949 DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, radeon_cp_setparam_kms, DRM_AUTH), 950 DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH), 951 DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH), 952 /* KMS */ 953 DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 954 DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 955 DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 956 DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 957 DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH|DRM_UNLOCKED), 958 DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH|DRM_UNLOCKED), 959 DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 960 DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 961 DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 962 DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 963 DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 964 DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 965 DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 966 DRM_IOCTL_DEF_DRV(RADEON_GEM_OP, radeon_gem_op_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), 967 }; 968 int radeon_max_kms_ioctl = ARRAY_SIZE(radeon_ioctls_kms); 969