drivers/gpu/drm/radeon/radeon_drv.c

   1 /**
   2  * \file radeon_drv.c
   3  * ATI Radeon driver
   4  *
   5  * \author Gareth Hughes <gareth@valinux.com>
   6  */
   7
   8 /*
   9  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  10  * All Rights Reserved.
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a
  13  * copy of this software and associated documentation files (the "Software"),
  14  * to deal in the Software without restriction, including without limitation
  15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  16  * and/or sell copies of the Software, and to permit persons to whom the
  17  * Software is furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice (including the next
  20  * paragraph) shall be included in all copies or substantial portions of the
  21  * Software.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  26  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  27  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  28  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  29  * OTHER DEALINGS IN THE SOFTWARE.
  30  */
  31
  32 #include <drm/drmP.h>
  33 #include <drm/radeon_drm.h>
  34 #include "radeon_drv.h"
  35
  36 #include <drm/drm_pciids.h>
  37 #include <linux/console.h>
  38 #include <linux/module.h>
  39 #include <linux/pm_runtime.h>
  40 #include <linux/vga_switcheroo.h>
  41 #include "drm_crtc_helper.h"
  42 /*
  43  * KMS wrapper.
  44  * - 2.0.0 - initial interface
  45  * - 2.1.0 - add square tiling interface
  46  * - 2.2.0 - add r6xx/r7xx const buffer support
  47  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  48  * - 2.4.0 - add crtc id query
  49  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  50  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  51  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  52  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  53  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  54  *   2.10.0 - fusion 2D tiling
  55  *   2.11.0 - backend map, initial compute support for the CS checker
  56  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
  57  *   2.13.0 - virtual memory support, streamout
  58  *   2.14.0 - add evergreen tiling informations
  59  *   2.15.0 - add max_pipes query
  60  *   2.16.0 - fix evergreen 2D tiled surface calculation
  61  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
  62  *   2.18.0 - r600-eg: allow "invalid" DB formats
  63  *   2.19.0 - r600-eg: MSAA textures
  64  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
  65  *   2.21.0 - r600-r700: FMASK and CMASK
  66  *   2.22.0 - r600 only: RESOLVE_BOX allowed
  67  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
  68  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
  69  *   2.25.0 - eg+: new info request for num SE and num SH
  70  *   2.26.0 - r600-eg: fix htile size computation
  71  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
  72  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
  73  *   2.29.0 - R500 FP16 color clear registers
  74  *   2.30.0 - fix for FMASK texturing
  75  *   2.31.0 - Add fastfb support for rs690
  76  *   2.32.0 - new info request for rings working
  77  *   2.33.0 - Add SI tiling mode array query
  78  *   2.34.0 - Add CIK tiling mode array query
  79  *   2.35.0 - Add CIK macrotile mode array query
  80  *   2.36.0 - Fix CIK DCE tiling setup
  81  *   2.37.0 - allow GS ring setup on r6xx/r7xx
  82  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN)
  83  */
  84 #define KMS_DRIVER_MAJOR        2
  85 #define KMS_DRIVER_MINOR        38
  86 #define KMS_DRIVER_PATCHLEVEL   0
  87 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  88 int radeon_driver_unload_kms(struct drm_device *dev);
  89 void radeon_driver_lastclose_kms(struct drm_device *dev);
  90 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  91 void radeon_driver_postclose_kms(struct drm_device *dev,
  92                                  struct drm_file *file_priv);
  93 void radeon_driver_preclose_kms(struct drm_device *dev,
  94                                 struct drm_file *file_priv);
  95 int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
  96 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
  97 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  98 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  99 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
 100 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
 101                                     int *max_error,
 102                                     struct timeval *vblank_time,
 103                                     unsigned flags);
 104 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
 105 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
 106 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
 107 irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
 108 void radeon_gem_object_free(struct drm_gem_object *obj);
 109 int radeon_gem_object_open(struct drm_gem_object *obj,
 110                                 struct drm_file *file_priv);
 111 void radeon_gem_object_close(struct drm_gem_object *obj,
 112                                 struct drm_file *file_priv);
 113 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
 114                                       unsigned int flags,
 115                                       int *vpos, int *hpos, ktime_t *stime,
 116                                       ktime_t *etime);
 117 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
 118 extern int radeon_max_kms_ioctl;
 119 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
 120 int radeon_mode_dumb_mmap(struct drm_file *filp,
 121                           struct drm_device *dev,
 122                           uint32_t handle, uint64_t *offset_p);
 123 int radeon_mode_dumb_create(struct drm_file *file_priv,
 124                             struct drm_device *dev,
 125                             struct drm_mode_create_dumb *args);
 126 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
 127 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
 128                                                         size_t size,
 129                                                         struct sg_table *sg);
 130 int radeon_gem_prime_pin(struct drm_gem_object *obj);
 131 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
 132 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
 133 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
 134 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
 135                                     unsigned long arg);
 136
 137 #if defined(CONFIG_DEBUG_FS)
 138 int radeon_debugfs_init(struct drm_minor *minor);
 139 void radeon_debugfs_cleanup(struct drm_minor *minor);
 140 #endif
 141
 142 /* atpx handler */
 143 #if defined(CONFIG_VGA_SWITCHEROO)
 144 void radeon_register_atpx_handler(void);
 145 void radeon_unregister_atpx_handler(void);
 146 bool radeon_is_px(void);
 147 #else
 148 static inline void radeon_register_atpx_handler(void) {}
 149 static inline void radeon_unregister_atpx_handler(void) {}
 150 static inline bool radeon_is_px(void) { return false; }
 151 #endif
 152
 153 int radeon_no_wb;
 154 int radeon_modeset = -1;
 155 int radeon_dynclks = -1;
 156 int radeon_r4xx_atom = 0;
 157 int radeon_agpmode = 0;
 158 int radeon_vram_limit = 0;
 159 int radeon_gart_size = -1; /* auto */
 160 int radeon_benchmarking = 0;
 161 int radeon_testing = 0;
 162 int radeon_connector_table = 0;
 163 int radeon_tv = 1;
 164 int radeon_audio = -1;
 165 int radeon_disp_priority = 0;
 166 int radeon_hw_i2c = 0;
 167 int radeon_pcie_gen2 = -1;
 168 int radeon_msi = -1;
 169 int radeon_lockup_timeout = 10000;
 170 int radeon_fastfb = 0;
 171 int radeon_dpm = -1;
 172 int radeon_aspm = -1;
 173 int radeon_runtime_pm = -1;
 174 int radeon_hard_reset = 0;
 175
 176 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 177 module_param_named(no_wb, radeon_no_wb, int, 0444);
 178
 179 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 180 module_param_named(modeset, radeon_modeset, int, 0400);
 181
 182 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 183 module_param_named(dynclks, radeon_dynclks, int, 0444);
 184
 185 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 186 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 187
 188 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 189 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 190
 191 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 192 module_param_named(agpmode, radeon_agpmode, int, 0444);
 193
 194 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
 195 module_param_named(gartsize, radeon_gart_size, int, 0600);
 196
 197 MODULE_PARM_DESC(benchmark, "Run benchmark");
 198 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 199
 200 MODULE_PARM_DESC(test, "Run tests");
 201 module_param_named(test, radeon_testing, int, 0444);
 202
 203 MODULE_PARM_DESC(connector_table, "Force connector table");
 204 module_param_named(connector_table, radeon_connector_table, int, 0444);
 205
 206 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 207 module_param_named(tv, radeon_tv, int, 0444);
 208
 209 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
 210 module_param_named(audio, radeon_audio, int, 0444);
 211
 212 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 213 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 214
 215 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 216 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 217
 218 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 219 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 220
 221 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 222 module_param_named(msi, radeon_msi, int, 0444);
 223
 224 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
 225 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 226
 227 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
 228 module_param_named(fastfb, radeon_fastfb, int, 0444);
 229
 230 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
 231 module_param_named(dpm, radeon_dpm, int, 0444);
 232
 233 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
 234 module_param_named(aspm, radeon_aspm, int, 0444);
 235
 236 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
 237 module_param_named(runpm, radeon_runtime_pm, int, 0444);
 238
 239 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
 240 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
 241
 242 static struct pci_device_id pciidlist[] = {
 243         radeon_PCI_IDS
 244 };
 245
 246 MODULE_DEVICE_TABLE(pci, pciidlist);
 247
 248 #ifdef CONFIG_DRM_RADEON_UMS
 249
 250 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 251 {
 252         drm_radeon_private_t *dev_priv = dev->dev_private;
 253
 254         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 255                 return 0;
 256
 257         /* Disable *all* interrupts */
 258         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 259                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 260         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 261         return 0;
 262 }
 263
 264 static int radeon_resume(struct drm_device *dev)
 265 {
 266         drm_radeon_private_t *dev_priv = dev->dev_private;
 267
 268         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 269                 return 0;
 270
 271         /* Restore interrupt registers */
 272         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 273                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 274         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 275         return 0;
 276 }
 277
 278
 279 static const struct file_operations radeon_driver_old_fops = {
 280         .owner = THIS_MODULE,
 281         .open = drm_open,
 282         .release = drm_release,
 283         .unlocked_ioctl = drm_ioctl,
 284         .mmap = drm_mmap,
 285         .poll = drm_poll,
 286         .read = drm_read,
 287 #ifdef CONFIG_COMPAT
 288         .compat_ioctl = radeon_compat_ioctl,
 289 #endif
 290         .llseek = noop_llseek,
 291 };
 292
 293 static struct drm_driver driver_old = {
 294         .driver_features =
 295             DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 296             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 297         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 298         .load = radeon_driver_load,
 299         .firstopen = radeon_driver_firstopen,
 300         .open = radeon_driver_open,
 301         .preclose = radeon_driver_preclose,
 302         .postclose = radeon_driver_postclose,
 303         .lastclose = radeon_driver_lastclose,
 304         .unload = radeon_driver_unload,
 305         .suspend = radeon_suspend,
 306         .resume = radeon_resume,
 307         .get_vblank_counter = radeon_get_vblank_counter,
 308         .enable_vblank = radeon_enable_vblank,
 309         .disable_vblank = radeon_disable_vblank,
 310         .master_create = radeon_master_create,
 311         .master_destroy = radeon_master_destroy,
 312         .irq_preinstall = radeon_driver_irq_preinstall,
 313         .irq_postinstall = radeon_driver_irq_postinstall,
 314         .irq_uninstall = radeon_driver_irq_uninstall,
 315         .irq_handler = radeon_driver_irq_handler,
 316         .ioctls = radeon_ioctls,
 317         .dma_ioctl = radeon_cp_buffers,
 318         .fops = &radeon_driver_old_fops,
 319         .name = DRIVER_NAME,
 320         .desc = DRIVER_DESC,
 321         .date = DRIVER_DATE,
 322         .major = DRIVER_MAJOR,
 323         .minor = DRIVER_MINOR,
 324         .patchlevel = DRIVER_PATCHLEVEL,
 325 };
 326
 327 #endif
 328
 329 static struct drm_driver kms_driver;
 330
 331 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 332 {
 333         struct apertures_struct *ap;
 334         bool primary = false;
 335
 336         ap = alloc_apertures(1);
 337         if (!ap)
 338                 return -ENOMEM;
 339
 340         ap->ranges[0].base = pci_resource_start(pdev, 0);
 341         ap->ranges[0].size = pci_resource_len(pdev, 0);
 342
 343 #ifdef CONFIG_X86
 344         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 345 #endif
 346         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 347         kfree(ap);
 348
 349         return 0;
 350 }
 351
 352 static int radeon_pci_probe(struct pci_dev *pdev,
 353                             const struct pci_device_id *ent)
 354 {
 355         int ret;
 356
 357         /* Get rid of things like offb */
 358         ret = radeon_kick_out_firmware_fb(pdev);
 359         if (ret)
 360                 return ret;
 361
 362         return drm_get_pci_dev(pdev, ent, &kms_driver);
 363 }
 364
 365 static void
 366 radeon_pci_remove(struct pci_dev *pdev)
 367 {
 368         struct drm_device *dev = pci_get_drvdata(pdev);
 369
 370         drm_put_dev(dev);
 371 }
 372
 373 static int radeon_pmops_suspend(struct device *dev)
 374 {
 375         struct pci_dev *pdev = to_pci_dev(dev);
 376         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 377         return radeon_suspend_kms(drm_dev, true, true);
 378 }
 379
 380 static int radeon_pmops_resume(struct device *dev)
 381 {
 382         struct pci_dev *pdev = to_pci_dev(dev);
 383         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 384         return radeon_resume_kms(drm_dev, true, true);
 385 }
 386
 387 static int radeon_pmops_freeze(struct device *dev)
 388 {
 389         struct pci_dev *pdev = to_pci_dev(dev);
 390         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 391         return radeon_suspend_kms(drm_dev, false, true);
 392 }
 393
 394 static int radeon_pmops_thaw(struct device *dev)
 395 {
 396         struct pci_dev *pdev = to_pci_dev(dev);
 397         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 398         return radeon_resume_kms(drm_dev, false, true);
 399 }
 400
 401 static int radeon_pmops_runtime_suspend(struct device *dev)
 402 {
 403         struct pci_dev *pdev = to_pci_dev(dev);
 404         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 405         int ret;
 406
 407         if (radeon_runtime_pm == 0) {
 408                 pm_runtime_forbid(dev);
 409                 return -EBUSY;
 410         }
 411
 412         if (radeon_runtime_pm == -1 && !radeon_is_px()) {
 413                 pm_runtime_forbid(dev);
 414                 return -EBUSY;
 415         }
 416
 417         drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 418         drm_kms_helper_poll_disable(drm_dev);
 419         vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
 420
 421         ret = radeon_suspend_kms(drm_dev, false, false);
 422         pci_save_state(pdev);
 423         pci_disable_device(pdev);
 424         pci_set_power_state(pdev, PCI_D3cold);
 425         drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
 426
 427         return 0;
 428 }
 429
 430 static int radeon_pmops_runtime_resume(struct device *dev)
 431 {
 432         struct pci_dev *pdev = to_pci_dev(dev);
 433         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 434         int ret;
 435
 436         if (radeon_runtime_pm == 0)
 437                 return -EINVAL;
 438
 439         if (radeon_runtime_pm == -1 && !radeon_is_px())
 440                 return -EINVAL;
 441
 442         drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 443
 444         pci_set_power_state(pdev, PCI_D0);
 445         pci_restore_state(pdev);
 446         ret = pci_enable_device(pdev);
 447         if (ret)
 448                 return ret;
 449         pci_set_master(pdev);
 450
 451         ret = radeon_resume_kms(drm_dev, false, false);
 452         drm_kms_helper_poll_enable(drm_dev);
 453         vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
 454         drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
 455         return 0;
 456 }
 457
 458 static int radeon_pmops_runtime_idle(struct device *dev)
 459 {
 460         struct pci_dev *pdev = to_pci_dev(dev);
 461         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 462         struct drm_crtc *crtc;
 463
 464         if (radeon_runtime_pm == 0) {
 465                 pm_runtime_forbid(dev);
 466                 return -EBUSY;
 467         }
 468
 469         /* are we PX enabled? */
 470         if (radeon_runtime_pm == -1 && !radeon_is_px()) {
 471                 DRM_DEBUG_DRIVER("failing to power off - not px\n");
 472                 pm_runtime_forbid(dev);
 473                 return -EBUSY;
 474         }
 475
 476         list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
 477                 if (crtc->enabled) {
 478                         DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
 479                         return -EBUSY;
 480                 }
 481         }
 482
 483         pm_runtime_mark_last_busy(dev);
 484         pm_runtime_autosuspend(dev);
 485         /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
 486         return 1;
 487 }
 488
 489 long radeon_drm_ioctl(struct file *filp,
 490                       unsigned int cmd, unsigned long arg)
 491 {
 492         struct drm_file *file_priv = filp->private_data;
 493         struct drm_device *dev;
 494         long ret;
 495         dev = file_priv->minor->dev;
 496         ret = pm_runtime_get_sync(dev->dev);
 497         if (ret < 0)
 498                 return ret;
 499
 500         ret = drm_ioctl(filp, cmd, arg);
 501
 502         pm_runtime_mark_last_busy(dev->dev);
 503         pm_runtime_put_autosuspend(dev->dev);
 504         return ret;
 505 }
 506
 507 static const struct dev_pm_ops radeon_pm_ops = {
 508         .suspend = radeon_pmops_suspend,
 509         .resume = radeon_pmops_resume,
 510         .freeze = radeon_pmops_freeze,
 511         .thaw = radeon_pmops_thaw,
 512         .poweroff = radeon_pmops_freeze,
 513         .restore = radeon_pmops_resume,
 514         .runtime_suspend = radeon_pmops_runtime_suspend,
 515         .runtime_resume = radeon_pmops_runtime_resume,
 516         .runtime_idle = radeon_pmops_runtime_idle,
 517 };
 518
 519 static const struct file_operations radeon_driver_kms_fops = {
 520         .owner = THIS_MODULE,
 521         .open = drm_open,
 522         .release = drm_release,
 523         .unlocked_ioctl = radeon_drm_ioctl,
 524         .mmap = radeon_mmap,
 525         .poll = drm_poll,
 526         .read = drm_read,
 527 #ifdef CONFIG_COMPAT
 528         .compat_ioctl = radeon_kms_compat_ioctl,
 529 #endif
 530 };
 531
 532 static struct drm_driver kms_driver = {
 533         .driver_features =
 534             DRIVER_USE_AGP |
 535             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
 536             DRIVER_PRIME | DRIVER_RENDER,
 537         .dev_priv_size = 0,
 538         .load = radeon_driver_load_kms,
 539         .open = radeon_driver_open_kms,
 540         .preclose = radeon_driver_preclose_kms,
 541         .postclose = radeon_driver_postclose_kms,
 542         .lastclose = radeon_driver_lastclose_kms,
 543         .unload = radeon_driver_unload_kms,
 544         .get_vblank_counter = radeon_get_vblank_counter_kms,
 545         .enable_vblank = radeon_enable_vblank_kms,
 546         .disable_vblank = radeon_disable_vblank_kms,
 547         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 548         .get_scanout_position = radeon_get_crtc_scanoutpos,
 549 #if defined(CONFIG_DEBUG_FS)
 550         .debugfs_init = radeon_debugfs_init,
 551         .debugfs_cleanup = radeon_debugfs_cleanup,
 552 #endif
 553         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 554         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 555         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 556         .irq_handler = radeon_driver_irq_handler_kms,
 557         .ioctls = radeon_ioctls_kms,
 558         .gem_free_object = radeon_gem_object_free,
 559         .gem_open_object = radeon_gem_object_open,
 560         .gem_close_object = radeon_gem_object_close,
 561         .dumb_create = radeon_mode_dumb_create,
 562         .dumb_map_offset = radeon_mode_dumb_mmap,
 563         .dumb_destroy = drm_gem_dumb_destroy,
 564         .fops = &radeon_driver_kms_fops,
 565
 566         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 567         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 568         .gem_prime_export = drm_gem_prime_export,
 569         .gem_prime_import = drm_gem_prime_import,
 570         .gem_prime_pin = radeon_gem_prime_pin,
 571         .gem_prime_unpin = radeon_gem_prime_unpin,
 572         .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
 573         .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
 574         .gem_prime_vmap = radeon_gem_prime_vmap,
 575         .gem_prime_vunmap = radeon_gem_prime_vunmap,
 576
 577         .name = DRIVER_NAME,
 578         .desc = DRIVER_DESC,
 579         .date = DRIVER_DATE,
 580         .major = KMS_DRIVER_MAJOR,
 581         .minor = KMS_DRIVER_MINOR,
 582         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 583 };
 584
 585 static struct drm_driver *driver;
 586 static struct pci_driver *pdriver;
 587
 588 #ifdef CONFIG_DRM_RADEON_UMS
 589 static struct pci_driver radeon_pci_driver = {
 590         .name = DRIVER_NAME,
 591         .id_table = pciidlist,
 592 };
 593 #endif
 594
 595 static struct pci_driver radeon_kms_pci_driver = {
 596         .name = DRIVER_NAME,
 597         .id_table = pciidlist,
 598         .probe = radeon_pci_probe,
 599         .remove = radeon_pci_remove,
 600         .driver.pm = &radeon_pm_ops,
 601 };
 602
 603 static int __init radeon_init(void)
 604 {
 605 #ifdef CONFIG_VGA_CONSOLE
 606         if (vgacon_text_force() && radeon_modeset == -1) {
 607                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 608                 radeon_modeset = 0;
 609         }
 610 #endif
 611         /* set to modesetting by default if not nomodeset */
 612         if (radeon_modeset == -1)
 613                 radeon_modeset = 1;
 614
 615         if (radeon_modeset == 1) {
 616                 DRM_INFO("radeon kernel modesetting enabled.\n");
 617                 driver = &kms_driver;
 618                 pdriver = &radeon_kms_pci_driver;
 619                 driver->driver_features |= DRIVER_MODESET;
 620                 driver->num_ioctls = radeon_max_kms_ioctl;
 621                 radeon_register_atpx_handler();
 622
 623         } else {
 624 #ifdef CONFIG_DRM_RADEON_UMS
 625                 DRM_INFO("radeon userspace modesetting enabled.\n");
 626                 driver = &driver_old;
 627                 pdriver = &radeon_pci_driver;
 628                 driver->driver_features &= ~DRIVER_MODESET;
 629                 driver->num_ioctls = radeon_max_ioctl;
 630 #else
 631                 DRM_ERROR("No UMS support in radeon module!\n");
 632                 return -EINVAL;
 633 #endif
 634         }
 635
 636         /* let modprobe override vga console setting */
 637         return drm_pci_init(driver, pdriver);
 638 }
 639
 640 static void __exit radeon_exit(void)
 641 {
 642         drm_pci_exit(driver, pdriver);
 643         radeon_unregister_atpx_handler();
 644 }
 645
 646 module_init(radeon_init);
 647 module_exit(radeon_exit);
 648
 649 MODULE_AUTHOR(DRIVER_AUTHOR);
 650 MODULE_DESCRIPTION(DRIVER_DESC);
 651 MODULE_LICENSE("GPL and additional rights");