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"); 688