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  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
  84  *   2.39.0 - Add INFO query for number of active CUs
  85  */
  86 #define KMS_DRIVER_MAJOR        2
  87 #define KMS_DRIVER_MINOR        39
  88 #define KMS_DRIVER_PATCHLEVEL   0
  89 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  90 int radeon_driver_unload_kms(struct drm_device *dev);
  91 void radeon_driver_lastclose_kms(struct drm_device *dev);
  92 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  93 void radeon_driver_postclose_kms(struct drm_device *dev,
  94                                  struct drm_file *file_priv);
  95 void radeon_driver_preclose_kms(struct drm_device *dev,
  96                                 struct drm_file *file_priv);
  97 int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
  98 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
  99 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
 100 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
 101 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
 102 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
 103                                     int *max_error,
 104                                     struct timeval *vblank_time,
 105                                     unsigned flags);
 106 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
 107 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
 108 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
 109 irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
 110 void radeon_gem_object_free(struct drm_gem_object *obj);
 111 int radeon_gem_object_open(struct drm_gem_object *obj,
 112                                 struct drm_file *file_priv);
 113 void radeon_gem_object_close(struct drm_gem_object *obj,
 114                                 struct drm_file *file_priv);
 115 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
 116                                       unsigned int flags,
 117                                       int *vpos, int *hpos, ktime_t *stime,
 118                                       ktime_t *etime);
 119 extern bool radeon_is_px(struct drm_device *dev);
 120 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
 121 extern int radeon_max_kms_ioctl;
 122 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
 123 int radeon_mode_dumb_mmap(struct drm_file *filp,
 124                           struct drm_device *dev,
 125                           uint32_t handle, uint64_t *offset_p);
 126 int radeon_mode_dumb_create(struct drm_file *file_priv,
 127                             struct drm_device *dev,
 128                             struct drm_mode_create_dumb *args);
 129 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
 130 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
 131                                                         size_t size,
 132                                                         struct sg_table *sg);
 133 int radeon_gem_prime_pin(struct drm_gem_object *obj);
 134 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
 135 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
 136 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
 137 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
 138                                     unsigned long arg);
 139
 140 #if defined(CONFIG_DEBUG_FS)
 141 int radeon_debugfs_init(struct drm_minor *minor);
 142 void radeon_debugfs_cleanup(struct drm_minor *minor);
 143 #endif
 144
 145 /* atpx handler */
 146 #if defined(CONFIG_VGA_SWITCHEROO)
 147 void radeon_register_atpx_handler(void);
 148 void radeon_unregister_atpx_handler(void);
 149 #else
 150 static inline void radeon_register_atpx_handler(void) {}
 151 static inline void radeon_unregister_atpx_handler(void) {}
 152 #endif
 153
 154 int radeon_no_wb;
 155 int radeon_modeset = -1;
 156 int radeon_dynclks = -1;
 157 int radeon_r4xx_atom = 0;
 158 int radeon_agpmode = 0;
 159 int radeon_vram_limit = 0;
 160 int radeon_gart_size = -1; /* auto */
 161 int radeon_benchmarking = 0;
 162 int radeon_testing = 0;
 163 int radeon_connector_table = 0;
 164 int radeon_tv = 1;
 165 int radeon_audio = -1;
 166 int radeon_disp_priority = 0;
 167 int radeon_hw_i2c = 0;
 168 int radeon_pcie_gen2 = -1;
 169 int radeon_msi = -1;
 170 int radeon_lockup_timeout = 10000;
 171 int radeon_fastfb = 0;
 172 int radeon_dpm = -1;
 173 int radeon_aspm = -1;
 174 int radeon_runtime_pm = -1;
 175 int radeon_hard_reset = 0;
 176 int radeon_vm_size = 4096;
 177 int radeon_vm_block_size = 9;
 178
 179 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 180 module_param_named(no_wb, radeon_no_wb, int, 0444);
 181
 182 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 183 module_param_named(modeset, radeon_modeset, int, 0400);
 184
 185 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 186 module_param_named(dynclks, radeon_dynclks, int, 0444);
 187
 188 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 189 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 190
 191 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
 192 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 193
 194 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 195 module_param_named(agpmode, radeon_agpmode, int, 0444);
 196
 197 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
 198 module_param_named(gartsize, radeon_gart_size, int, 0600);
 199
 200 MODULE_PARM_DESC(benchmark, "Run benchmark");
 201 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 202
 203 MODULE_PARM_DESC(test, "Run tests");
 204 module_param_named(test, radeon_testing, int, 0444);
 205
 206 MODULE_PARM_DESC(connector_table, "Force connector table");
 207 module_param_named(connector_table, radeon_connector_table, int, 0444);
 208
 209 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 210 module_param_named(tv, radeon_tv, int, 0444);
 211
 212 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
 213 module_param_named(audio, radeon_audio, int, 0444);
 214
 215 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 216 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 217
 218 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 219 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 220
 221 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 222 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 223
 224 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 225 module_param_named(msi, radeon_msi, int, 0444);
 226
 227 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
 228 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 229
 230 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
 231 module_param_named(fastfb, radeon_fastfb, int, 0444);
 232
 233 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
 234 module_param_named(dpm, radeon_dpm, int, 0444);
 235
 236 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
 237 module_param_named(aspm, radeon_aspm, int, 0444);
 238
 239 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
 240 module_param_named(runpm, radeon_runtime_pm, int, 0444);
 241
 242 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
 243 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
 244
 245 MODULE_PARM_DESC(vm_size, "VM address space size in megabytes (default 4GB)");
 246 module_param_named(vm_size, radeon_vm_size, int, 0444);
 247
 248 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default 9)");
 249 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
 250
 251 static struct pci_device_id pciidlist[] = {
 252         radeon_PCI_IDS
 253 };
 254
 255 MODULE_DEVICE_TABLE(pci, pciidlist);
 256
 257 #ifdef CONFIG_DRM_RADEON_UMS
 258
 259 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 260 {
 261         drm_radeon_private_t *dev_priv = dev->dev_private;
 262
 263         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 264                 return 0;
 265
 266         /* Disable *all* interrupts */
 267         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 268                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 269         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 270         return 0;
 271 }
 272
 273 static int radeon_resume(struct drm_device *dev)
 274 {
 275         drm_radeon_private_t *dev_priv = dev->dev_private;
 276
 277         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 278                 return 0;
 279
 280         /* Restore interrupt registers */
 281         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 282                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 283         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 284         return 0;
 285 }
 286
 287
 288 static const struct file_operations radeon_driver_old_fops = {
 289         .owner = THIS_MODULE,
 290         .open = drm_open,
 291         .release = drm_release,
 292         .unlocked_ioctl = drm_ioctl,
 293         .mmap = drm_mmap,
 294         .poll = drm_poll,
 295         .read = drm_read,
 296 #ifdef CONFIG_COMPAT
 297         .compat_ioctl = radeon_compat_ioctl,
 298 #endif
 299         .llseek = noop_llseek,
 300 };
 301
 302 static struct drm_driver driver_old = {
 303         .driver_features =
 304             DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 305             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 306         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 307         .load = radeon_driver_load,
 308         .firstopen = radeon_driver_firstopen,
 309         .open = radeon_driver_open,
 310         .preclose = radeon_driver_preclose,
 311         .postclose = radeon_driver_postclose,
 312         .lastclose = radeon_driver_lastclose,
 313         .unload = radeon_driver_unload,
 314         .suspend = radeon_suspend,
 315         .resume = radeon_resume,
 316         .get_vblank_counter = radeon_get_vblank_counter,
 317         .enable_vblank = radeon_enable_vblank,
 318         .disable_vblank = radeon_disable_vblank,
 319         .master_create = radeon_master_create,
 320         .master_destroy = radeon_master_destroy,
 321         .irq_preinstall = radeon_driver_irq_preinstall,
 322         .irq_postinstall = radeon_driver_irq_postinstall,
 323         .irq_uninstall = radeon_driver_irq_uninstall,
 324         .irq_handler = radeon_driver_irq_handler,
 325         .ioctls = radeon_ioctls,
 326         .dma_ioctl = radeon_cp_buffers,
 327         .fops = &radeon_driver_old_fops,
 328         .name = DRIVER_NAME,
 329         .desc = DRIVER_DESC,
 330         .date = DRIVER_DATE,
 331         .major = DRIVER_MAJOR,
 332         .minor = DRIVER_MINOR,
 333         .patchlevel = DRIVER_PATCHLEVEL,
 334 };
 335
 336 #endif
 337
 338 static struct drm_driver kms_driver;
 339
 340 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 341 {
 342         struct apertures_struct *ap;
 343         bool primary = false;
 344
 345         ap = alloc_apertures(1);
 346         if (!ap)
 347                 return -ENOMEM;
 348
 349         ap->ranges[0].base = pci_resource_start(pdev, 0);
 350         ap->ranges[0].size = pci_resource_len(pdev, 0);
 351
 352 #ifdef CONFIG_X86
 353         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 354 #endif
 355         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 356         kfree(ap);
 357
 358         return 0;
 359 }
 360
 361 static int radeon_pci_probe(struct pci_dev *pdev,
 362                             const struct pci_device_id *ent)
 363 {
 364         int ret;
 365
 366         /* Get rid of things like offb */
 367         ret = radeon_kick_out_firmware_fb(pdev);
 368         if (ret)
 369                 return ret;
 370
 371         return drm_get_pci_dev(pdev, ent, &kms_driver);
 372 }
 373
 374 static void
 375 radeon_pci_remove(struct pci_dev *pdev)
 376 {
 377         struct drm_device *dev = pci_get_drvdata(pdev);
 378
 379         drm_put_dev(dev);
 380 }
 381
 382 static int radeon_pmops_suspend(struct device *dev)
 383 {
 384         struct pci_dev *pdev = to_pci_dev(dev);
 385         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 386         return radeon_suspend_kms(drm_dev, true, true);
 387 }
 388
 389 static int radeon_pmops_resume(struct device *dev)
 390 {
 391         struct pci_dev *pdev = to_pci_dev(dev);
 392         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 393         return radeon_resume_kms(drm_dev, true, true);
 394 }
 395
 396 static int radeon_pmops_freeze(struct device *dev)
 397 {
 398         struct pci_dev *pdev = to_pci_dev(dev);
 399         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 400         return radeon_suspend_kms(drm_dev, false, true);
 401 }
 402
 403 static int radeon_pmops_thaw(struct device *dev)
 404 {
 405         struct pci_dev *pdev = to_pci_dev(dev);
 406         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 407         return radeon_resume_kms(drm_dev, false, true);
 408 }
 409
 410 static int radeon_pmops_runtime_suspend(struct device *dev)
 411 {
 412         struct pci_dev *pdev = to_pci_dev(dev);
 413         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 414         int ret;
 415
 416         if (!radeon_is_px(drm_dev)) {
 417                 pm_runtime_forbid(dev);
 418                 return -EBUSY;
 419         }
 420
 421         drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 422         drm_kms_helper_poll_disable(drm_dev);
 423         vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
 424
 425         ret = radeon_suspend_kms(drm_dev, false, false);
 426         pci_save_state(pdev);
 427         pci_disable_device(pdev);
 428         pci_set_power_state(pdev, PCI_D3cold);
 429         drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
 430
 431         return 0;
 432 }
 433
 434 static int radeon_pmops_runtime_resume(struct device *dev)
 435 {
 436         struct pci_dev *pdev = to_pci_dev(dev);
 437         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 438         int ret;
 439
 440         if (!radeon_is_px(drm_dev))
 441                 return -EINVAL;
 442
 443         drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 444
 445         pci_set_power_state(pdev, PCI_D0);
 446         pci_restore_state(pdev);
 447         ret = pci_enable_device(pdev);
 448         if (ret)
 449                 return ret;
 450         pci_set_master(pdev);
 451
 452         ret = radeon_resume_kms(drm_dev, false, false);
 453         drm_kms_helper_poll_enable(drm_dev);
 454         vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
 455         drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
 456         return 0;
 457 }
 458
 459 static int radeon_pmops_runtime_idle(struct device *dev)
 460 {
 461         struct pci_dev *pdev = to_pci_dev(dev);
 462         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 463         struct drm_crtc *crtc;
 464
 465         if (!radeon_is_px(drm_dev)) {
 466                 pm_runtime_forbid(dev);
 467                 return -EBUSY;
 468         }
 469
 470         list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
 471                 if (crtc->enabled) {
 472                         DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
 473                         return -EBUSY;
 474                 }
 475         }
 476
 477         pm_runtime_mark_last_busy(dev);
 478         pm_runtime_autosuspend(dev);
 479         /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
 480         return 1;
 481 }
 482
 483 long radeon_drm_ioctl(struct file *filp,
 484                       unsigned int cmd, unsigned long arg)
 485 {
 486         struct drm_file *file_priv = filp->private_data;
 487         struct drm_device *dev;
 488         long ret;
 489         dev = file_priv->minor->dev;
 490         ret = pm_runtime_get_sync(dev->dev);
 491         if (ret < 0)
 492                 return ret;
 493
 494         ret = drm_ioctl(filp, cmd, arg);
 495
 496         pm_runtime_mark_last_busy(dev->dev);
 497         pm_runtime_put_autosuspend(dev->dev);
 498         return ret;
 499 }
 500
 501 static const struct dev_pm_ops radeon_pm_ops = {
 502         .suspend = radeon_pmops_suspend,
 503         .resume = radeon_pmops_resume,
 504         .freeze = radeon_pmops_freeze,
 505         .thaw = radeon_pmops_thaw,
 506         .poweroff = radeon_pmops_freeze,
 507         .restore = radeon_pmops_resume,
 508         .runtime_suspend = radeon_pmops_runtime_suspend,
 509         .runtime_resume = radeon_pmops_runtime_resume,
 510         .runtime_idle = radeon_pmops_runtime_idle,
 511 };
 512
 513 static const struct file_operations radeon_driver_kms_fops = {
 514         .owner = THIS_MODULE,
 515         .open = drm_open,
 516         .release = drm_release,
 517         .unlocked_ioctl = radeon_drm_ioctl,
 518         .mmap = radeon_mmap,
 519         .poll = drm_poll,
 520         .read = drm_read,
 521 #ifdef CONFIG_COMPAT
 522         .compat_ioctl = radeon_kms_compat_ioctl,
 523 #endif
 524 };
 525
 526 static struct drm_driver kms_driver = {
 527         .driver_features =
 528             DRIVER_USE_AGP |
 529             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
 530             DRIVER_PRIME | DRIVER_RENDER,
 531         .load = radeon_driver_load_kms,
 532         .open = radeon_driver_open_kms,
 533         .preclose = radeon_driver_preclose_kms,
 534         .postclose = radeon_driver_postclose_kms,
 535         .lastclose = radeon_driver_lastclose_kms,
 536         .unload = radeon_driver_unload_kms,
 537         .get_vblank_counter = radeon_get_vblank_counter_kms,
 538         .enable_vblank = radeon_enable_vblank_kms,
 539         .disable_vblank = radeon_disable_vblank_kms,
 540         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 541         .get_scanout_position = radeon_get_crtc_scanoutpos,
 542 #if defined(CONFIG_DEBUG_FS)
 543         .debugfs_init = radeon_debugfs_init,
 544         .debugfs_cleanup = radeon_debugfs_cleanup,
 545 #endif
 546         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 547         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 548         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 549         .irq_handler = radeon_driver_irq_handler_kms,
 550         .ioctls = radeon_ioctls_kms,
 551         .gem_free_object = radeon_gem_object_free,
 552         .gem_open_object = radeon_gem_object_open,
 553         .gem_close_object = radeon_gem_object_close,
 554         .dumb_create = radeon_mode_dumb_create,
 555         .dumb_map_offset = radeon_mode_dumb_mmap,
 556         .dumb_destroy = drm_gem_dumb_destroy,
 557         .fops = &radeon_driver_kms_fops,
 558
 559         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 560         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 561         .gem_prime_export = drm_gem_prime_export,
 562         .gem_prime_import = drm_gem_prime_import,
 563         .gem_prime_pin = radeon_gem_prime_pin,
 564         .gem_prime_unpin = radeon_gem_prime_unpin,
 565         .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
 566         .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
 567         .gem_prime_vmap = radeon_gem_prime_vmap,
 568         .gem_prime_vunmap = radeon_gem_prime_vunmap,
 569
 570         .name = DRIVER_NAME,
 571         .desc = DRIVER_DESC,
 572         .date = DRIVER_DATE,
 573         .major = KMS_DRIVER_MAJOR,
 574         .minor = KMS_DRIVER_MINOR,
 575         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 576 };
 577
 578 static struct drm_driver *driver;
 579 static struct pci_driver *pdriver;
 580
 581 #ifdef CONFIG_DRM_RADEON_UMS
 582 static struct pci_driver radeon_pci_driver = {
 583         .name = DRIVER_NAME,
 584         .id_table = pciidlist,
 585 };
 586 #endif
 587
 588 static struct pci_driver radeon_kms_pci_driver = {
 589         .name = DRIVER_NAME,
 590         .id_table = pciidlist,
 591         .probe = radeon_pci_probe,
 592         .remove = radeon_pci_remove,
 593         .driver.pm = &radeon_pm_ops,
 594 };
 595
 596 static int __init radeon_init(void)
 597 {
 598 #ifdef CONFIG_VGA_CONSOLE
 599         if (vgacon_text_force() && radeon_modeset == -1) {
 600                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 601                 radeon_modeset = 0;
 602         }
 603 #endif
 604         /* set to modesetting by default if not nomodeset */
 605         if (radeon_modeset == -1)
 606                 radeon_modeset = 1;
 607
 608         if (radeon_modeset == 1) {
 609                 DRM_INFO("radeon kernel modesetting enabled.\n");
 610                 driver = &kms_driver;
 611                 pdriver = &radeon_kms_pci_driver;
 612                 driver->driver_features |= DRIVER_MODESET;
 613                 driver->num_ioctls = radeon_max_kms_ioctl;
 614                 radeon_register_atpx_handler();
 615
 616         } else {
 617 #ifdef CONFIG_DRM_RADEON_UMS
 618                 DRM_INFO("radeon userspace modesetting enabled.\n");
 619                 driver = &driver_old;
 620                 pdriver = &radeon_pci_driver;
 621                 driver->driver_features &= ~DRIVER_MODESET;
 622                 driver->num_ioctls = radeon_max_ioctl;
 623 #else
 624                 DRM_ERROR("No UMS support in radeon module!\n");
 625                 return -EINVAL;
 626 #endif
 627         }
 628
 629         /* let modprobe override vga console setting */
 630         return drm_pci_init(driver, pdriver);
 631 }
 632
 633 static void __exit radeon_exit(void)
 634 {
 635         drm_pci_exit(driver, pdriver);
 636         radeon_unregister_atpx_handler();
 637 }
 638
 639 module_init(radeon_init);
 640 module_exit(radeon_exit);
 641
 642 MODULE_AUTHOR(DRIVER_AUTHOR);
 643 MODULE_DESCRIPTION(DRIVER_DESC);
 644 MODULE_LICENSE("GPL and additional rights");