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