drivers/gpu/drm/radeon/radeon_kms.c

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