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 "drmP.h"
  29 #include "drm_sarea.h"
  30 #include "radeon.h"
  31 #include "radeon_drm.h"
  32
  33 #include <linux/vga_switcheroo.h>
  34 #include <linux/slab.h>
  35
  36 int radeon_driver_unload_kms(struct drm_device *dev)
  37 {
  38         struct radeon_device *rdev = dev->dev_private;
  39
  40         if (rdev == NULL)
  41                 return 0;
  42         radeon_modeset_fini(rdev);
  43         radeon_device_fini(rdev);
  44         kfree(rdev);
  45         dev->dev_private = NULL;
  46         return 0;
  47 }
  48
  49 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
  50 {
  51         struct radeon_device *rdev;
  52         int r, acpi_status;
  53
  54         rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL);
  55         if (rdev == NULL) {
  56                 return -ENOMEM;
  57         }
  58         dev->dev_private = (void *)rdev;
  59
  60         /* update BUS flag */
  61         if (drm_pci_device_is_agp(dev)) {
  62                 flags |= RADEON_IS_AGP;
  63         } else if (pci_is_pcie(dev->pdev)) {
  64                 flags |= RADEON_IS_PCIE;
  65         } else {
  66                 flags |= RADEON_IS_PCI;
  67         }
  68
  69         /* radeon_device_init should report only fatal error
  70          * like memory allocation failure or iomapping failure,
  71          * or memory manager initialization failure, it must
  72          * properly initialize the GPU MC controller and permit
  73          * VRAM allocation
  74          */
  75         r = radeon_device_init(rdev, dev, dev->pdev, flags);
  76         if (r) {
  77                 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
  78                 goto out;
  79         }
  80
  81         /* Call ACPI methods */
  82         acpi_status = radeon_acpi_init(rdev);
  83         if (acpi_status)
  84                 dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n");
  85
  86         /* Again modeset_init should fail only on fatal error
  87          * otherwise it should provide enough functionalities
  88          * for shadowfb to run
  89          */
  90         r = radeon_modeset_init(rdev);
  91         if (r)
  92                 dev_err(&dev->pdev->dev, "Fatal error during modeset init\n");
  93 out:
  94         if (r)
  95                 radeon_driver_unload_kms(dev);
  96         return r;
  97 }
  98
  99 static void radeon_set_filp_rights(struct drm_device *dev,
 100                                    struct drm_file **owner,
 101                                    struct drm_file *applier,
 102                                    uint32_t *value)
 103 {
 104         mutex_lock(&dev->struct_mutex);
 105         if (*value == 1) {
 106                 /* wants rights */
 107                 if (!*owner)
 108                         *owner = applier;
 109         } else if (*value == 0) {
 110                 /* revokes rights */
 111                 if (*owner == applier)
 112                         *owner = NULL;
 113         }
 114         *value = *owner == applier ? 1 : 0;
 115         mutex_unlock(&dev->struct_mutex);
 116 }
 117
 118 /*
 119  * Userspace get information ioctl
 120  */
 121 int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 122 {
 123         struct radeon_device *rdev = dev->dev_private;
 124         struct drm_radeon_info *info;
 125         struct radeon_mode_info *minfo = &rdev->mode_info;
 126         uint32_t *value_ptr;
 127         uint32_t value;
 128         struct drm_crtc *crtc;
 129         int i, found;
 130
 131         info = data;
 132         value_ptr = (uint32_t *)((unsigned long)info->value);
 133         if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value)))
 134                 return -EFAULT;
 135
 136         switch (info->request) {
 137         case RADEON_INFO_DEVICE_ID:
 138                 value = dev->pci_device;
 139                 break;
 140         case RADEON_INFO_NUM_GB_PIPES:
 141                 value = rdev->num_gb_pipes;
 142                 break;
 143         case RADEON_INFO_NUM_Z_PIPES:
 144                 value = rdev->num_z_pipes;
 145                 break;
 146         case RADEON_INFO_ACCEL_WORKING:
 147                 /* xf86-video-ati 6.13.0 relies on this being false for evergreen */
 148                 if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK))
 149                         value = false;
 150                 else
 151                         value = rdev->accel_working;
 152                 break;
 153         case RADEON_INFO_CRTC_FROM_ID:
 154                 for (i = 0, found = 0; i < rdev->num_crtc; i++) {
 155                         crtc = (struct drm_crtc *)minfo->crtcs[i];
 156                         if (crtc && crtc->base.id == value) {
 157                                 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 158                                 value = radeon_crtc->crtc_id;
 159                                 found = 1;
 160                                 break;
 161                         }
 162                 }
 163                 if (!found) {
 164                         DRM_DEBUG_KMS("unknown crtc id %d\n", value);
 165                         return -EINVAL;
 166                 }
 167                 break;
 168         case RADEON_INFO_ACCEL_WORKING2:
 169                 value = rdev->accel_working;
 170                 break;
 171         case RADEON_INFO_TILING_CONFIG:
 172                 if (rdev->family >= CHIP_TAHITI)
 173                         value = rdev->config.si.tile_config;
 174                 else if (rdev->family >= CHIP_CAYMAN)
 175                         value = rdev->config.cayman.tile_config;
 176                 else if (rdev->family >= CHIP_CEDAR)
 177                         value = rdev->config.evergreen.tile_config;
 178                 else if (rdev->family >= CHIP_RV770)
 179                         value = rdev->config.rv770.tile_config;
 180                 else if (rdev->family >= CHIP_R600)
 181                         value = rdev->config.r600.tile_config;
 182                 else {
 183                         DRM_DEBUG_KMS("tiling config is r6xx+ only!\n");
 184                         return -EINVAL;
 185                 }
 186                 break;
 187         case RADEON_INFO_WANT_HYPERZ:
 188                 /* The "value" here is both an input and output parameter.
 189                  * If the input value is 1, filp requests hyper-z access.
 190                  * If the input value is 0, filp revokes its hyper-z access.
 191                  *
 192                  * When returning, the value is 1 if filp owns hyper-z access,
 193                  * 0 otherwise. */
 194                 if (value >= 2) {
 195                         DRM_DEBUG_KMS("WANT_HYPERZ: invalid value %d\n", value);
 196                         return -EINVAL;
 197                 }
 198                 radeon_set_filp_rights(dev, &rdev->hyperz_filp, filp, &value);
 199                 break;
 200         case RADEON_INFO_WANT_CMASK:
 201                 /* The same logic as Hyper-Z. */
 202                 if (value >= 2) {
 203                         DRM_DEBUG_KMS("WANT_CMASK: invalid value %d\n", value);
 204                         return -EINVAL;
 205                 }
 206                 radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, &value);
 207                 break;
 208         case RADEON_INFO_CLOCK_CRYSTAL_FREQ:
 209                 /* return clock value in KHz */
 210                 value = rdev->clock.spll.reference_freq * 10;
 211                 break;
 212         case RADEON_INFO_NUM_BACKENDS:
 213                 if (rdev->family >= CHIP_TAHITI)
 214                         value = rdev->config.si.max_backends_per_se *
 215                                 rdev->config.si.max_shader_engines;
 216                 else if (rdev->family >= CHIP_CAYMAN)
 217                         value = rdev->config.cayman.max_backends_per_se *
 218                                 rdev->config.cayman.max_shader_engines;
 219                 else if (rdev->family >= CHIP_CEDAR)
 220                         value = rdev->config.evergreen.max_backends;
 221                 else if (rdev->family >= CHIP_RV770)
 222                         value = rdev->config.rv770.max_backends;
 223                 else if (rdev->family >= CHIP_R600)
 224                         value = rdev->config.r600.max_backends;
 225                 else {
 226                         return -EINVAL;
 227                 }
 228                 break;
 229         case RADEON_INFO_NUM_TILE_PIPES:
 230                 if (rdev->family >= CHIP_TAHITI)
 231                         value = rdev->config.si.max_tile_pipes;
 232                 else if (rdev->family >= CHIP_CAYMAN)
 233                         value = rdev->config.cayman.max_tile_pipes;
 234                 else if (rdev->family >= CHIP_CEDAR)
 235                         value = rdev->config.evergreen.max_tile_pipes;
 236                 else if (rdev->family >= CHIP_RV770)
 237                         value = rdev->config.rv770.max_tile_pipes;
 238                 else if (rdev->family >= CHIP_R600)
 239                         value = rdev->config.r600.max_tile_pipes;
 240                 else {
 241                         return -EINVAL;
 242                 }
 243                 break;
 244         case RADEON_INFO_FUSION_GART_WORKING:
 245                 value = 1;
 246                 break;
 247         case RADEON_INFO_BACKEND_MAP:
 248                 if (rdev->family >= CHIP_TAHITI)
 249                         value = rdev->config.si.backend_map;
 250                 else if (rdev->family >= CHIP_CAYMAN)
 251                         value = rdev->config.cayman.backend_map;
 252                 else if (rdev->family >= CHIP_CEDAR)
 253                         value = rdev->config.evergreen.backend_map;
 254                 else if (rdev->family >= CHIP_RV770)
 255                         value = rdev->config.rv770.backend_map;
 256                 else if (rdev->family >= CHIP_R600)
 257                         value = rdev->config.r600.backend_map;
 258                 else {
 259                         return -EINVAL;
 260                 }
 261                 break;
 262         case RADEON_INFO_VA_START:
 263                 /* this is where we report if vm is supported or not */
 264                 if (rdev->family < CHIP_CAYMAN)
 265                         return -EINVAL;
 266                 value = RADEON_VA_RESERVED_SIZE;
 267                 break;
 268         case RADEON_INFO_IB_VM_MAX_SIZE:
 269                 /* this is where we report if vm is supported or not */
 270                 if (rdev->family < CHIP_CAYMAN)
 271                         return -EINVAL;
 272                 value = RADEON_IB_VM_MAX_SIZE;
 273                 break;
 274         case RADEON_INFO_MAX_PIPES:
 275                 if (rdev->family >= CHIP_TAHITI)
 276                         value = rdev->config.si.max_pipes_per_simd;
 277                 else if (rdev->family >= CHIP_CAYMAN)
 278                         value = rdev->config.cayman.max_pipes_per_simd;
 279                 else if (rdev->family >= CHIP_CEDAR)
 280                         value = rdev->config.evergreen.max_pipes;
 281                 else if (rdev->family >= CHIP_RV770)
 282                         value = rdev->config.rv770.max_pipes;
 283                 else if (rdev->family >= CHIP_R600)
 284                         value = rdev->config.r600.max_pipes;
 285                 else {
 286                         return -EINVAL;
 287                 }
 288                 break;
 289         default:
 290                 DRM_DEBUG_KMS("Invalid request %d\n", info->request);
 291                 return -EINVAL;
 292         }
 293         if (DRM_COPY_TO_USER(value_ptr, &value, sizeof(uint32_t))) {
 294                 DRM_ERROR("copy_to_user\n");
 295                 return -EFAULT;
 296         }
 297         return 0;
 298 }
 299
 300
 301 /*
 302  * Outdated mess for old drm with Xorg being in charge (void function now).
 303  */
 304 int radeon_driver_firstopen_kms(struct drm_device *dev)
 305 {
 306         return 0;
 307 }
 308
 309 void radeon_driver_lastclose_kms(struct drm_device *dev)
 310 {
 311         vga_switcheroo_process_delayed_switch();
 312 }
 313
 314 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 315 {
 316         struct radeon_device *rdev = dev->dev_private;
 317
 318         file_priv->driver_priv = NULL;
 319
 320         /* new gpu have virtual address space support */
 321         if (rdev->family >= CHIP_CAYMAN) {
 322                 struct radeon_fpriv *fpriv;
 323                 int r;
 324
 325                 fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
 326                 if (unlikely(!fpriv)) {
 327                         return -ENOMEM;
 328                 }
 329
 330                 r = radeon_vm_init(rdev, &fpriv->vm);
 331                 if (r) {
 332                         radeon_vm_fini(rdev, &fpriv->vm);
 333                         kfree(fpriv);
 334                         return r;
 335                 }
 336
 337                 file_priv->driver_priv = fpriv;
 338         }
 339         return 0;
 340 }
 341
 342 void radeon_driver_postclose_kms(struct drm_device *dev,
 343                                  struct drm_file *file_priv)
 344 {
 345         struct radeon_device *rdev = dev->dev_private;
 346
 347         /* new gpu have virtual address space support */
 348         if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
 349                 struct radeon_fpriv *fpriv = file_priv->driver_priv;
 350
 351                 radeon_vm_fini(rdev, &fpriv->vm);
 352                 kfree(fpriv);
 353                 file_priv->driver_priv = NULL;
 354         }
 355 }
 356
 357 void radeon_driver_preclose_kms(struct drm_device *dev,
 358                                 struct drm_file *file_priv)
 359 {
 360         struct radeon_device *rdev = dev->dev_private;
 361         if (rdev->hyperz_filp == file_priv)
 362                 rdev->hyperz_filp = NULL;
 363         if (rdev->cmask_filp == file_priv)
 364                 rdev->cmask_filp = NULL;
 365 }
 366
 367 /*
 368  * VBlank related functions.
 369  */
 370 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc)
 371 {
 372         struct radeon_device *rdev = dev->dev_private;
 373
 374         if (crtc < 0 || crtc >= rdev->num_crtc) {
 375                 DRM_ERROR("Invalid crtc %d\n", crtc);
 376                 return -EINVAL;
 377         }
 378
 379         return radeon_get_vblank_counter(rdev, crtc);
 380 }
 381
 382 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc)
 383 {
 384         struct radeon_device *rdev = dev->dev_private;
 385
 386         if (crtc < 0 || crtc >= rdev->num_crtc) {
 387                 DRM_ERROR("Invalid crtc %d\n", crtc);
 388                 return -EINVAL;
 389         }
 390
 391         rdev->irq.crtc_vblank_int[crtc] = true;
 392
 393         return radeon_irq_set(rdev);
 394 }
 395
 396 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc)
 397 {
 398         struct radeon_device *rdev = dev->dev_private;
 399
 400         if (crtc < 0 || crtc >= rdev->num_crtc) {
 401                 DRM_ERROR("Invalid crtc %d\n", crtc);
 402                 return;
 403         }
 404
 405         rdev->irq.crtc_vblank_int[crtc] = false;
 406
 407         radeon_irq_set(rdev);
 408 }
 409
 410 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
 411                                     int *max_error,
 412                                     struct timeval *vblank_time,
 413                                     unsigned flags)
 414 {
 415         struct drm_crtc *drmcrtc;
 416         struct radeon_device *rdev = dev->dev_private;
 417
 418         if (crtc < 0 || crtc >= dev->num_crtcs) {
 419                 DRM_ERROR("Invalid crtc %d\n", crtc);
 420                 return -EINVAL;
 421         }
 422
 423         /* Get associated drm_crtc: */
 424         drmcrtc = &rdev->mode_info.crtcs[crtc]->base;
 425
 426         /* Helper routine in DRM core does all the work: */
 427         return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
 428                                                      vblank_time, flags,
 429                                                      drmcrtc);
 430 }
 431
 432 /*
 433  * IOCTL.
 434  */
 435 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
 436                          struct drm_file *file_priv)
 437 {
 438         /* Not valid in KMS. */
 439         return -EINVAL;
 440 }
 441
 442 #define KMS_INVALID_IOCTL(name)                                         \
 443 int name(struct drm_device *dev, void *data, struct drm_file *file_priv)\
 444 {                                                                       \
 445         DRM_ERROR("invalid ioctl with kms %s\n", __func__);             \
 446         return -EINVAL;                                                 \
 447 }
 448
 449 /*
 450  * All these ioctls are invalid in kms world.
 451  */
 452 KMS_INVALID_IOCTL(radeon_cp_init_kms)
 453 KMS_INVALID_IOCTL(radeon_cp_start_kms)
 454 KMS_INVALID_IOCTL(radeon_cp_stop_kms)
 455 KMS_INVALID_IOCTL(radeon_cp_reset_kms)
 456 KMS_INVALID_IOCTL(radeon_cp_idle_kms)
 457 KMS_INVALID_IOCTL(radeon_cp_resume_kms)
 458 KMS_INVALID_IOCTL(radeon_engine_reset_kms)
 459 KMS_INVALID_IOCTL(radeon_fullscreen_kms)
 460 KMS_INVALID_IOCTL(radeon_cp_swap_kms)
 461 KMS_INVALID_IOCTL(radeon_cp_clear_kms)
 462 KMS_INVALID_IOCTL(radeon_cp_vertex_kms)
 463 KMS_INVALID_IOCTL(radeon_cp_indices_kms)
 464 KMS_INVALID_IOCTL(radeon_cp_texture_kms)
 465 KMS_INVALID_IOCTL(radeon_cp_stipple_kms)
 466 KMS_INVALID_IOCTL(radeon_cp_indirect_kms)
 467 KMS_INVALID_IOCTL(radeon_cp_vertex2_kms)
 468 KMS_INVALID_IOCTL(radeon_cp_cmdbuf_kms)
 469 KMS_INVALID_IOCTL(radeon_cp_getparam_kms)
 470 KMS_INVALID_IOCTL(radeon_cp_flip_kms)
 471 KMS_INVALID_IOCTL(radeon_mem_alloc_kms)
 472 KMS_INVALID_IOCTL(radeon_mem_free_kms)
 473 KMS_INVALID_IOCTL(radeon_mem_init_heap_kms)
 474 KMS_INVALID_IOCTL(radeon_irq_emit_kms)
 475 KMS_INVALID_IOCTL(radeon_irq_wait_kms)
 476 KMS_INVALID_IOCTL(radeon_cp_setparam_kms)
 477 KMS_INVALID_IOCTL(radeon_surface_alloc_kms)
 478 KMS_INVALID_IOCTL(radeon_surface_free_kms)
 479
 480
 481 struct drm_ioctl_desc radeon_ioctls_kms[] = {
 482         DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, radeon_cp_init_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 483         DRM_IOCTL_DEF_DRV(RADEON_CP_START, radeon_cp_start_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 484         DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, radeon_cp_stop_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 485         DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, radeon_cp_reset_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 486         DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, radeon_cp_idle_kms, DRM_AUTH),
 487         DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, radeon_cp_resume_kms, DRM_AUTH),
 488         DRM_IOCTL_DEF_DRV(RADEON_RESET, radeon_engine_reset_kms, DRM_AUTH),
 489         DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, radeon_fullscreen_kms, DRM_AUTH),
 490         DRM_IOCTL_DEF_DRV(RADEON_SWAP, radeon_cp_swap_kms, DRM_AUTH),
 491         DRM_IOCTL_DEF_DRV(RADEON_CLEAR, radeon_cp_clear_kms, DRM_AUTH),
 492         DRM_IOCTL_DEF_DRV(RADEON_VERTEX, radeon_cp_vertex_kms, DRM_AUTH),
 493         DRM_IOCTL_DEF_DRV(RADEON_INDICES, radeon_cp_indices_kms, DRM_AUTH),
 494         DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, radeon_cp_texture_kms, DRM_AUTH),
 495         DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, radeon_cp_stipple_kms, DRM_AUTH),
 496         DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, radeon_cp_indirect_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 497         DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, radeon_cp_vertex2_kms, DRM_AUTH),
 498         DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, radeon_cp_cmdbuf_kms, DRM_AUTH),
 499         DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, radeon_cp_getparam_kms, DRM_AUTH),
 500         DRM_IOCTL_DEF_DRV(RADEON_FLIP, radeon_cp_flip_kms, DRM_AUTH),
 501         DRM_IOCTL_DEF_DRV(RADEON_ALLOC, radeon_mem_alloc_kms, DRM_AUTH),
 502         DRM_IOCTL_DEF_DRV(RADEON_FREE, radeon_mem_free_kms, DRM_AUTH),
 503         DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, radeon_mem_init_heap_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 504         DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, radeon_irq_emit_kms, DRM_AUTH),
 505         DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, radeon_irq_wait_kms, DRM_AUTH),
 506         DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, radeon_cp_setparam_kms, DRM_AUTH),
 507         DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH),
 508         DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH),
 509         /* KMS */
 510         DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_UNLOCKED),
 511         DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED),
 512         DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED),
 513         DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_UNLOCKED),
 514         DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH|DRM_UNLOCKED),
 515         DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH|DRM_UNLOCKED),
 516         DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED),
 517         DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_UNLOCKED),
 518         DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_UNLOCKED),
 519         DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED),
 520         DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED),
 521         DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED),
 522         DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_UNLOCKED),
 523 };
 524 int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms);