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/drm_gem.h>
  42
  43 #include "drm_crtc_helper.h"
  44 #include "radeon_kfd.h"
  45
  46 /*
  47  * KMS wrapper.
  48  * - 2.0.0 - initial interface
  49  * - 2.1.0 - add square tiling interface
  50  * - 2.2.0 - add r6xx/r7xx const buffer support
  51  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  52  * - 2.4.0 - add crtc id query
  53  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  54  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  55  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  56  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  57  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  58  *   2.10.0 - fusion 2D tiling
  59  *   2.11.0 - backend map, initial compute support for the CS checker
  60  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
  61  *   2.13.0 - virtual memory support, streamout
  62  *   2.14.0 - add evergreen tiling informations
  63  *   2.15.0 - add max_pipes query
  64  *   2.16.0 - fix evergreen 2D tiled surface calculation
  65  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
  66  *   2.18.0 - r600-eg: allow "invalid" DB formats
  67  *   2.19.0 - r600-eg: MSAA textures
  68  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
  69  *   2.21.0 - r600-r700: FMASK and CMASK
  70  *   2.22.0 - r600 only: RESOLVE_BOX allowed
  71  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
  72  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
  73  *   2.25.0 - eg+: new info request for num SE and num SH
  74  *   2.26.0 - r600-eg: fix htile size computation
  75  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
  76  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
  77  *   2.29.0 - R500 FP16 color clear registers
  78  *   2.30.0 - fix for FMASK texturing
  79  *   2.31.0 - Add fastfb support for rs690
  80  *   2.32.0 - new info request for rings working
  81  *   2.33.0 - Add SI tiling mode array query
  82  *   2.34.0 - Add CIK tiling mode array query
  83  *   2.35.0 - Add CIK macrotile mode array query
  84  *   2.36.0 - Fix CIK DCE tiling setup
  85  *   2.37.0 - allow GS ring setup on r6xx/r7xx
  86  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
  87  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
  88  *   2.39.0 - Add INFO query for number of active CUs
  89  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
  90  *            CS to GPU on >= r600
  91  *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
  92  *   2.42.0 - Add VCE/VUI (Video Usability Information) support
  93  *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
  94  */
  95 #define KMS_DRIVER_MAJOR        2
  96 #define KMS_DRIVER_MINOR        43
  97 #define KMS_DRIVER_PATCHLEVEL   0
  98 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  99 int radeon_driver_unload_kms(struct drm_device *dev);
 100 void radeon_driver_lastclose_kms(struct drm_device *dev);
 101 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
 102 void radeon_driver_postclose_kms(struct drm_device *dev,
 103                                  struct drm_file *file_priv);
 104 void radeon_driver_preclose_kms(struct drm_device *dev,
 105                                 struct drm_file *file_priv);
 106 int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
 107 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
 108 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
 109 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
 110 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
 111 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
 112                                     int *max_error,
 113                                     struct timeval *vblank_time,
 114                                     unsigned flags);
 115 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
 116 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
 117 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
 118 irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
 119 void radeon_gem_object_free(struct drm_gem_object *obj);
 120 int radeon_gem_object_open(struct drm_gem_object *obj,
 121                                 struct drm_file *file_priv);
 122 void radeon_gem_object_close(struct drm_gem_object *obj,
 123                                 struct drm_file *file_priv);
 124 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
 125                                         struct drm_gem_object *gobj,
 126                                         int flags);
 127 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
 128                                       unsigned int flags,
 129                                       int *vpos, int *hpos, ktime_t *stime,
 130                                       ktime_t *etime);
 131 extern bool radeon_is_px(struct drm_device *dev);
 132 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
 133 extern int radeon_max_kms_ioctl;
 134 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
 135 int radeon_mode_dumb_mmap(struct drm_file *filp,
 136                           struct drm_device *dev,
 137                           uint32_t handle, uint64_t *offset_p);
 138 int radeon_mode_dumb_create(struct drm_file *file_priv,
 139                             struct drm_device *dev,
 140                             struct drm_mode_create_dumb *args);
 141 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
 142 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
 143                                                         struct dma_buf_attachment *,
 144                                                         struct sg_table *sg);
 145 int radeon_gem_prime_pin(struct drm_gem_object *obj);
 146 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
 147 struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *);
 148 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
 149 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
 150 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
 151                                     unsigned long arg);
 152
 153 #if defined(CONFIG_DEBUG_FS)
 154 int radeon_debugfs_init(struct drm_minor *minor);
 155 void radeon_debugfs_cleanup(struct drm_minor *minor);
 156 #endif
 157
 158 /* atpx handler */
 159 #if defined(CONFIG_VGA_SWITCHEROO)
 160 void radeon_register_atpx_handler(void);
 161 void radeon_unregister_atpx_handler(void);
 162 #else
 163 static inline void radeon_register_atpx_handler(void) {}
 164 static inline void radeon_unregister_atpx_handler(void) {}
 165 #endif
 166
 167 int radeon_no_wb;
 168 int radeon_modeset = -1;
 169 int radeon_dynclks = -1;
 170 int radeon_r4xx_atom = 0;
 171 int radeon_agpmode = 0;
 172 int radeon_vram_limit = 0;
 173 int radeon_gart_size = -1; /* auto */
 174 int radeon_benchmarking = 0;
 175 int radeon_testing = 0;
 176 int radeon_connector_table = 0;
 177 int radeon_tv = 1;
 178 int radeon_audio = -1;
 179 int radeon_disp_priority = 0;
 180 int radeon_hw_i2c = 0;
 181 int radeon_pcie_gen2 = -1;
 182 int radeon_msi = -1;
 183 int radeon_lockup_timeout = 10000;
 184 int radeon_fastfb = 0;
 185 int radeon_dpm = -1;
 186 int radeon_aspm = -1;
 187 int radeon_runtime_pm = -1;
 188 int radeon_hard_reset = 0;
 189 int radeon_vm_size = 8;
 190 int radeon_vm_block_size = -1;
 191 int radeon_deep_color = 0;
 192 int radeon_use_pflipirq = 2;
 193 int radeon_bapm = -1;
 194 int radeon_backlight = -1;
 195 int radeon_auxch = -1;
 196 int radeon_mst = 0;
 197
 198 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 199 module_param_named(no_wb, radeon_no_wb, int, 0444);
 200
 201 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 202 module_param_named(modeset, radeon_modeset, int, 0400);
 203
 204 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 205 module_param_named(dynclks, radeon_dynclks, int, 0444);
 206
 207 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 208 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 209
 210 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
 211 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 212
 213 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 214 module_param_named(agpmode, radeon_agpmode, int, 0444);
 215
 216 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
 217 module_param_named(gartsize, radeon_gart_size, int, 0600);
 218
 219 MODULE_PARM_DESC(benchmark, "Run benchmark");
 220 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 221
 222 MODULE_PARM_DESC(test, "Run tests");
 223 module_param_named(test, radeon_testing, int, 0444);
 224
 225 MODULE_PARM_DESC(connector_table, "Force connector table");
 226 module_param_named(connector_table, radeon_connector_table, int, 0444);
 227
 228 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 229 module_param_named(tv, radeon_tv, int, 0444);
 230
 231 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
 232 module_param_named(audio, radeon_audio, int, 0444);
 233
 234 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 235 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 236
 237 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 238 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 239
 240 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 241 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 242
 243 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 244 module_param_named(msi, radeon_msi, int, 0444);
 245
 246 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
 247 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 248
 249 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
 250 module_param_named(fastfb, radeon_fastfb, int, 0444);
 251
 252 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
 253 module_param_named(dpm, radeon_dpm, int, 0444);
 254
 255 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
 256 module_param_named(aspm, radeon_aspm, int, 0444);
 257
 258 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
 259 module_param_named(runpm, radeon_runtime_pm, int, 0444);
 260
 261 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
 262 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
 263
 264 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
 265 module_param_named(vm_size, radeon_vm_size, int, 0444);
 266
 267 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
 268 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
 269
 270 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
 271 module_param_named(deep_color, radeon_deep_color, int, 0444);
 272
 273 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
 274 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
 275
 276 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
 277 module_param_named(bapm, radeon_bapm, int, 0444);
 278
 279 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
 280 module_param_named(backlight, radeon_backlight, int, 0444);
 281
 282 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
 283 module_param_named(auxch, radeon_auxch, int, 0444);
 284
 285 MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
 286 module_param_named(mst, radeon_mst, int, 0444);
 287
 288 static struct pci_device_id pciidlist[] = {
 289         radeon_PCI_IDS
 290 };
 291
 292 MODULE_DEVICE_TABLE(pci, pciidlist);
 293
 294 #ifdef CONFIG_DRM_RADEON_UMS
 295
 296 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 297 {
 298         drm_radeon_private_t *dev_priv = dev->dev_private;
 299
 300         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 301                 return 0;
 302
 303         /* Disable *all* interrupts */
 304         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 305                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 306         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 307         return 0;
 308 }
 309
 310 static int radeon_resume(struct drm_device *dev)
 311 {
 312         drm_radeon_private_t *dev_priv = dev->dev_private;
 313
 314         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 315                 return 0;
 316
 317         /* Restore interrupt registers */
 318         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 319                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 320         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 321         return 0;
 322 }
 323
 324
 325 static const struct file_operations radeon_driver_old_fops = {
 326         .owner = THIS_MODULE,
 327         .open = drm_open,
 328         .release = drm_release,
 329         .unlocked_ioctl = drm_ioctl,
 330         .mmap = drm_legacy_mmap,
 331         .poll = drm_poll,
 332         .read = drm_read,
 333 #ifdef CONFIG_COMPAT
 334         .compat_ioctl = radeon_compat_ioctl,
 335 #endif
 336         .llseek = noop_llseek,
 337 };
 338
 339 static struct drm_driver driver_old = {
 340         .driver_features =
 341             DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 342             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 343         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 344         .load = radeon_driver_load,
 345         .firstopen = radeon_driver_firstopen,
 346         .open = radeon_driver_open,
 347         .preclose = radeon_driver_preclose,
 348         .postclose = radeon_driver_postclose,
 349         .lastclose = radeon_driver_lastclose,
 350         .set_busid = drm_pci_set_busid,
 351         .unload = radeon_driver_unload,
 352         .suspend = radeon_suspend,
 353         .resume = radeon_resume,
 354         .get_vblank_counter = radeon_get_vblank_counter,
 355         .enable_vblank = radeon_enable_vblank,
 356         .disable_vblank = radeon_disable_vblank,
 357         .master_create = radeon_master_create,
 358         .master_destroy = radeon_master_destroy,
 359         .irq_preinstall = radeon_driver_irq_preinstall,
 360         .irq_postinstall = radeon_driver_irq_postinstall,
 361         .irq_uninstall = radeon_driver_irq_uninstall,
 362         .irq_handler = radeon_driver_irq_handler,
 363         .ioctls = radeon_ioctls,
 364         .dma_ioctl = radeon_cp_buffers,
 365         .fops = &radeon_driver_old_fops,
 366         .name = DRIVER_NAME,
 367         .desc = DRIVER_DESC,
 368         .date = DRIVER_DATE,
 369         .major = DRIVER_MAJOR,
 370         .minor = DRIVER_MINOR,
 371         .patchlevel = DRIVER_PATCHLEVEL,
 372 };
 373
 374 #endif
 375
 376 static struct drm_driver kms_driver;
 377
 378 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 379 {
 380         struct apertures_struct *ap;
 381         bool primary = false;
 382
 383         ap = alloc_apertures(1);
 384         if (!ap)
 385                 return -ENOMEM;
 386
 387         ap->ranges[0].base = pci_resource_start(pdev, 0);
 388         ap->ranges[0].size = pci_resource_len(pdev, 0);
 389
 390 #ifdef CONFIG_X86
 391         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 392 #endif
 393         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 394         kfree(ap);
 395
 396         return 0;
 397 }
 398
 399 static int radeon_pci_probe(struct pci_dev *pdev,
 400                             const struct pci_device_id *ent)
 401 {
 402         int ret;
 403
 404         /* Get rid of things like offb */
 405         ret = radeon_kick_out_firmware_fb(pdev);
 406         if (ret)
 407                 return ret;
 408
 409         return drm_get_pci_dev(pdev, ent, &kms_driver);
 410 }
 411
 412 static void
 413 radeon_pci_remove(struct pci_dev *pdev)
 414 {
 415         struct drm_device *dev = pci_get_drvdata(pdev);
 416
 417         drm_put_dev(dev);
 418 }
 419
 420 static int radeon_pmops_suspend(struct device *dev)
 421 {
 422         struct pci_dev *pdev = to_pci_dev(dev);
 423         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 424         return radeon_suspend_kms(drm_dev, true, true);
 425 }
 426
 427 static int radeon_pmops_resume(struct device *dev)
 428 {
 429         struct pci_dev *pdev = to_pci_dev(dev);
 430         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 431         return radeon_resume_kms(drm_dev, true, true);
 432 }
 433
 434 static int radeon_pmops_freeze(struct device *dev)
 435 {
 436         struct pci_dev *pdev = to_pci_dev(dev);
 437         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 438         return radeon_suspend_kms(drm_dev, false, true);
 439 }
 440
 441 static int radeon_pmops_thaw(struct device *dev)
 442 {
 443         struct pci_dev *pdev = to_pci_dev(dev);
 444         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 445         return radeon_resume_kms(drm_dev, false, true);
 446 }
 447
 448 static int radeon_pmops_runtime_suspend(struct device *dev)
 449 {
 450         struct pci_dev *pdev = to_pci_dev(dev);
 451         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 452         int ret;
 453
 454         if (!radeon_is_px(drm_dev)) {
 455                 pm_runtime_forbid(dev);
 456                 return -EBUSY;
 457         }
 458
 459         drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 460         drm_kms_helper_poll_disable(drm_dev);
 461         vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
 462
 463         ret = radeon_suspend_kms(drm_dev, false, false);
 464         pci_save_state(pdev);
 465         pci_disable_device(pdev);
 466         pci_ignore_hotplug(pdev);
 467         pci_set_power_state(pdev, PCI_D3cold);
 468         drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
 469
 470         return 0;
 471 }
 472
 473 static int radeon_pmops_runtime_resume(struct device *dev)
 474 {
 475         struct pci_dev *pdev = to_pci_dev(dev);
 476         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 477         int ret;
 478
 479         if (!radeon_is_px(drm_dev))
 480                 return -EINVAL;
 481
 482         drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 483
 484         pci_set_power_state(pdev, PCI_D0);
 485         pci_restore_state(pdev);
 486         ret = pci_enable_device(pdev);
 487         if (ret)
 488                 return ret;
 489         pci_set_master(pdev);
 490
 491         ret = radeon_resume_kms(drm_dev, false, false);
 492         drm_kms_helper_poll_enable(drm_dev);
 493         vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
 494         drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
 495         return 0;
 496 }
 497
 498 static int radeon_pmops_runtime_idle(struct device *dev)
 499 {
 500         struct pci_dev *pdev = to_pci_dev(dev);
 501         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 502         struct drm_crtc *crtc;
 503
 504         if (!radeon_is_px(drm_dev)) {
 505                 pm_runtime_forbid(dev);
 506                 return -EBUSY;
 507         }
 508
 509         list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
 510                 if (crtc->enabled) {
 511                         DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
 512                         return -EBUSY;
 513                 }
 514         }
 515
 516         pm_runtime_mark_last_busy(dev);
 517         pm_runtime_autosuspend(dev);
 518         /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
 519         return 1;
 520 }
 521
 522 long radeon_drm_ioctl(struct file *filp,
 523                       unsigned int cmd, unsigned long arg)
 524 {
 525         struct drm_file *file_priv = filp->private_data;
 526         struct drm_device *dev;
 527         long ret;
 528         dev = file_priv->minor->dev;
 529         ret = pm_runtime_get_sync(dev->dev);
 530         if (ret < 0)
 531                 return ret;
 532
 533         ret = drm_ioctl(filp, cmd, arg);
 534
 535         pm_runtime_mark_last_busy(dev->dev);
 536         pm_runtime_put_autosuspend(dev->dev);
 537         return ret;
 538 }
 539
 540 static const struct dev_pm_ops radeon_pm_ops = {
 541         .suspend = radeon_pmops_suspend,
 542         .resume = radeon_pmops_resume,
 543         .freeze = radeon_pmops_freeze,
 544         .thaw = radeon_pmops_thaw,
 545         .poweroff = radeon_pmops_freeze,
 546         .restore = radeon_pmops_resume,
 547         .runtime_suspend = radeon_pmops_runtime_suspend,
 548         .runtime_resume = radeon_pmops_runtime_resume,
 549         .runtime_idle = radeon_pmops_runtime_idle,
 550 };
 551
 552 static const struct file_operations radeon_driver_kms_fops = {
 553         .owner = THIS_MODULE,
 554         .open = drm_open,
 555         .release = drm_release,
 556         .unlocked_ioctl = radeon_drm_ioctl,
 557         .mmap = radeon_mmap,
 558         .poll = drm_poll,
 559         .read = drm_read,
 560 #ifdef CONFIG_COMPAT
 561         .compat_ioctl = radeon_kms_compat_ioctl,
 562 #endif
 563 };
 564
 565 static struct drm_driver kms_driver = {
 566         .driver_features =
 567             DRIVER_USE_AGP |
 568             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
 569             DRIVER_PRIME | DRIVER_RENDER,
 570         .load = radeon_driver_load_kms,
 571         .open = radeon_driver_open_kms,
 572         .preclose = radeon_driver_preclose_kms,
 573         .postclose = radeon_driver_postclose_kms,
 574         .lastclose = radeon_driver_lastclose_kms,
 575         .set_busid = drm_pci_set_busid,
 576         .unload = radeon_driver_unload_kms,
 577         .get_vblank_counter = radeon_get_vblank_counter_kms,
 578         .enable_vblank = radeon_enable_vblank_kms,
 579         .disable_vblank = radeon_disable_vblank_kms,
 580         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 581         .get_scanout_position = radeon_get_crtc_scanoutpos,
 582 #if defined(CONFIG_DEBUG_FS)
 583         .debugfs_init = radeon_debugfs_init,
 584         .debugfs_cleanup = radeon_debugfs_cleanup,
 585 #endif
 586         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 587         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 588         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 589         .irq_handler = radeon_driver_irq_handler_kms,
 590         .ioctls = radeon_ioctls_kms,
 591         .gem_free_object = radeon_gem_object_free,
 592         .gem_open_object = radeon_gem_object_open,
 593         .gem_close_object = radeon_gem_object_close,
 594         .dumb_create = radeon_mode_dumb_create,
 595         .dumb_map_offset = radeon_mode_dumb_mmap,
 596         .dumb_destroy = drm_gem_dumb_destroy,
 597         .fops = &radeon_driver_kms_fops,
 598
 599         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 600         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 601         .gem_prime_export = radeon_gem_prime_export,
 602         .gem_prime_import = drm_gem_prime_import,
 603         .gem_prime_pin = radeon_gem_prime_pin,
 604         .gem_prime_unpin = radeon_gem_prime_unpin,
 605         .gem_prime_res_obj = radeon_gem_prime_res_obj,
 606         .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
 607         .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
 608         .gem_prime_vmap = radeon_gem_prime_vmap,
 609         .gem_prime_vunmap = radeon_gem_prime_vunmap,
 610
 611         .name = DRIVER_NAME,
 612         .desc = DRIVER_DESC,
 613         .date = DRIVER_DATE,
 614         .major = KMS_DRIVER_MAJOR,
 615         .minor = KMS_DRIVER_MINOR,
 616         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 617 };
 618
 619 static struct drm_driver *driver;
 620 static struct pci_driver *pdriver;
 621
 622 #ifdef CONFIG_DRM_RADEON_UMS
 623 static struct pci_driver radeon_pci_driver = {
 624         .name = DRIVER_NAME,
 625         .id_table = pciidlist,
 626 };
 627 #endif
 628
 629 static struct pci_driver radeon_kms_pci_driver = {
 630         .name = DRIVER_NAME,
 631         .id_table = pciidlist,
 632         .probe = radeon_pci_probe,
 633         .remove = radeon_pci_remove,
 634         .driver.pm = &radeon_pm_ops,
 635 };
 636
 637 static int __init radeon_init(void)
 638 {
 639 #ifdef CONFIG_VGA_CONSOLE
 640         if (vgacon_text_force() && radeon_modeset == -1) {
 641                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 642                 radeon_modeset = 0;
 643         }
 644 #endif
 645         /* set to modesetting by default if not nomodeset */
 646         if (radeon_modeset == -1)
 647                 radeon_modeset = 1;
 648
 649         if (radeon_modeset == 1) {
 650                 DRM_INFO("radeon kernel modesetting enabled.\n");
 651                 driver = &kms_driver;
 652                 pdriver = &radeon_kms_pci_driver;
 653                 driver->driver_features |= DRIVER_MODESET;
 654                 driver->num_ioctls = radeon_max_kms_ioctl;
 655                 radeon_register_atpx_handler();
 656
 657         } else {
 658 #ifdef CONFIG_DRM_RADEON_UMS
 659                 DRM_INFO("radeon userspace modesetting enabled.\n");
 660                 driver = &driver_old;
 661                 pdriver = &radeon_pci_driver;
 662                 driver->driver_features &= ~DRIVER_MODESET;
 663                 driver->num_ioctls = radeon_max_ioctl;
 664 #else
 665                 DRM_ERROR("No UMS support in radeon module!\n");
 666                 return -EINVAL;
 667 #endif
 668         }
 669
 670         radeon_kfd_init();
 671
 672         /* let modprobe override vga console setting */
 673         return drm_pci_init(driver, pdriver);
 674 }
 675
 676 static void __exit radeon_exit(void)
 677 {
 678         radeon_kfd_fini();
 679         drm_pci_exit(driver, pdriver);
 680         radeon_unregister_atpx_handler();
 681 }
 682
 683 module_init(radeon_init);
 684 module_exit(radeon_exit);
 685
 686 MODULE_AUTHOR(DRIVER_AUTHOR);
 687 MODULE_DESCRIPTION(DRIVER_DESC);
 688 MODULE_LICENSE("GPL and additional rights");