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/apple-gmux.h> 38 #include <linux/console.h> 39 #include <linux/module.h> 40 #include <linux/pm_runtime.h> 41 #include <linux/vgaarb.h> 42 #include <linux/vga_switcheroo.h> 43 #include <drm/drm_gem.h> 44 45 #include "drm_crtc_helper.h" 46 #include "radeon_kfd.h" 47 48 /* 49 * KMS wrapper. 50 * - 2.0.0 - initial interface 51 * - 2.1.0 - add square tiling interface 52 * - 2.2.0 - add r6xx/r7xx const buffer support 53 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs 54 * - 2.4.0 - add crtc id query 55 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen 56 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500) 57 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs 58 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query 59 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query 60 * 2.10.0 - fusion 2D tiling 61 * 2.11.0 - backend map, initial compute support for the CS checker 62 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS 63 * 2.13.0 - virtual memory support, streamout 64 * 2.14.0 - add evergreen tiling informations 65 * 2.15.0 - add max_pipes query 66 * 2.16.0 - fix evergreen 2D tiled surface calculation 67 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx 68 * 2.18.0 - r600-eg: allow "invalid" DB formats 69 * 2.19.0 - r600-eg: MSAA textures 70 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query 71 * 2.21.0 - r600-r700: FMASK and CMASK 72 * 2.22.0 - r600 only: RESOLVE_BOX allowed 73 * 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880 74 * 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures 75 * 2.25.0 - eg+: new info request for num SE and num SH 76 * 2.26.0 - r600-eg: fix htile size computation 77 * 2.27.0 - r600-SI: Add CS ioctl support for async DMA 78 * 2.28.0 - r600-eg: Add MEM_WRITE packet support 79 * 2.29.0 - R500 FP16 color clear registers 80 * 2.30.0 - fix for FMASK texturing 81 * 2.31.0 - Add fastfb support for rs690 82 * 2.32.0 - new info request for rings working 83 * 2.33.0 - Add SI tiling mode array query 84 * 2.34.0 - Add CIK tiling mode array query 85 * 2.35.0 - Add CIK macrotile mode array query 86 * 2.36.0 - Fix CIK DCE tiling setup 87 * 2.37.0 - allow GS ring setup on r6xx/r7xx 88 * 2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN), 89 * CIK: 1D and linear tiling modes contain valid PIPE_CONFIG 90 * 2.39.0 - Add INFO query for number of active CUs 91 * 2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting 92 * CS to GPU on >= r600 93 * 2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support 94 * 2.42.0 - Add VCE/VUI (Video Usability Information) support 95 * 2.43.0 - RADEON_INFO_GPU_RESET_COUNTER 96 * 2.44.0 - SET_APPEND_CNT packet3 support 97 * 2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI 98 */ 99 #define KMS_DRIVER_MAJOR 2 100 #define KMS_DRIVER_MINOR 45 101 #define KMS_DRIVER_PATCHLEVEL 0 102 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 103 int radeon_driver_unload_kms(struct drm_device *dev); 104 void radeon_driver_lastclose_kms(struct drm_device *dev); 105 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 106 void radeon_driver_postclose_kms(struct drm_device *dev, 107 struct drm_file *file_priv); 108 void radeon_driver_preclose_kms(struct drm_device *dev, 109 struct drm_file *file_priv); 110 int radeon_suspend_kms(struct drm_device *dev, bool suspend, 111 bool fbcon, bool freeze); 112 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon); 113 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe); 114 int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int pipe); 115 void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe); 116 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe, 117 int *max_error, 118 struct timeval *vblank_time, 119 unsigned flags); 120 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 121 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 122 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 123 irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg); 124 void radeon_gem_object_free(struct drm_gem_object *obj); 125 int radeon_gem_object_open(struct drm_gem_object *obj, 126 struct drm_file *file_priv); 127 void radeon_gem_object_close(struct drm_gem_object *obj, 128 struct drm_file *file_priv); 129 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev, 130 struct drm_gem_object *gobj, 131 int flags); 132 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc, 133 unsigned int flags, int *vpos, int *hpos, 134 ktime_t *stime, ktime_t *etime, 135 const struct drm_display_mode *mode); 136 extern bool radeon_is_px(struct drm_device *dev); 137 extern const struct drm_ioctl_desc radeon_ioctls_kms[]; 138 extern int radeon_max_kms_ioctl; 139 #ifdef DUMBBELL_WIP 140 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 141 #endif /* DUMBBELL_WIP */ 142 int radeon_mode_dumb_mmap(struct drm_file *filp, 143 struct drm_device *dev, 144 uint32_t handle, uint64_t *offset_p); 145 int radeon_mode_dumb_create(struct drm_file *file_priv, 146 struct drm_device *dev, 147 struct drm_mode_create_dumb *args); 148 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj); 149 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, 150 struct dma_buf_attachment *, 151 struct sg_table *sg); 152 int radeon_gem_prime_pin(struct drm_gem_object *obj); 153 void radeon_gem_prime_unpin(struct drm_gem_object *obj); 154 struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *); 155 void *radeon_gem_prime_vmap(struct drm_gem_object *obj); 156 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); 157 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, 158 unsigned long arg); 159 160 #if defined(CONFIG_DEBUG_FS) 161 int radeon_debugfs_init(struct drm_minor *minor); 162 void radeon_debugfs_cleanup(struct drm_minor *minor); 163 #endif 164 165 /* atpx handler */ 166 #if defined(CONFIG_VGA_SWITCHEROO) 167 void radeon_register_atpx_handler(void); 168 void radeon_unregister_atpx_handler(void); 169 #else 170 static inline void radeon_register_atpx_handler(void) {} 171 static inline void radeon_unregister_atpx_handler(void) {} 172 #endif 173 174 int radeon_no_wb; 175 int radeon_modeset = -1; 176 int radeon_dynclks = -1; 177 int radeon_r4xx_atom = 0; 178 int radeon_agpmode = 0; 179 int radeon_vram_limit = 0; 180 int radeon_gart_size = -1; /* auto */ 181 int radeon_benchmarking = 0; 182 int radeon_testing = 0; 183 int radeon_connector_table = 0; 184 int radeon_tv = 1; 185 int radeon_audio = -1; 186 int radeon_disp_priority = 0; 187 #ifdef __DragonFly__ 188 int radeon_hw_i2c = 1; 189 #else 190 int radeon_hw_i2c = 0; 191 #endif 192 int radeon_pcie_gen2 = -1; 193 int radeon_msi = -1; 194 int radeon_lockup_timeout = 10000; 195 int radeon_fastfb = 0; 196 int radeon_dpm = -1; 197 int radeon_aspm = -1; 198 int radeon_runtime_pm = -1; 199 int radeon_hard_reset = 0; 200 int radeon_vm_size = 8; 201 int radeon_vm_block_size = -1; 202 int radeon_deep_color = 0; 203 int radeon_use_pflipirq = 2; 204 int radeon_bapm = -1; 205 int radeon_backlight = -1; 206 int radeon_auxch = -1; 207 int radeon_mst = 0; 208 int radeon_uvd = 1; 209 int radeon_vce = 1; 210 211 TUNABLE_INT("drm.radeon.no_wb", &radeon_no_wb); 212 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 213 module_param_named(no_wb, radeon_no_wb, int, 0444); 214 215 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 216 module_param_named(modeset, radeon_modeset, int, 0400); 217 218 TUNABLE_INT("drm.radeon.dynclks", &radeon_dynclks); 219 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 220 module_param_named(dynclks, radeon_dynclks, int, 0444); 221 222 TUNABLE_INT("drm.radeon.r4xx_atom", &radeon_r4xx_atom); 223 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 224 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 225 226 TUNABLE_INT("drm.radeon.vram_limit", &radeon_vram_limit); 227 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); 228 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 229 230 TUNABLE_INT("drm.radeon.agpmode", &radeon_agpmode); 231 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 232 module_param_named(agpmode, radeon_agpmode, int, 0444); 233 234 TUNABLE_INT("drm.radeon.gart_size", &radeon_gart_size); 235 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)"); 236 module_param_named(gartsize, radeon_gart_size, int, 0600); 237 238 TUNABLE_INT("drm.radeon.benchmarking", &radeon_benchmarking); 239 MODULE_PARM_DESC(benchmark, "Run benchmark"); 240 module_param_named(benchmark, radeon_benchmarking, int, 0444); 241 242 TUNABLE_INT("drm.radeon.testing", &radeon_testing); 243 MODULE_PARM_DESC(test, "Run tests"); 244 module_param_named(test, radeon_testing, int, 0444); 245 246 TUNABLE_INT("drm.radeon.connector_table", &radeon_connector_table); 247 MODULE_PARM_DESC(connector_table, "Force connector table"); 248 module_param_named(connector_table, radeon_connector_table, int, 0444); 249 250 TUNABLE_INT("drm.radeon.tv", &radeon_tv); 251 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 252 module_param_named(tv, radeon_tv, int, 0444); 253 254 TUNABLE_INT("drm.radeon.audio", &radeon_audio); 255 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)"); 256 module_param_named(audio, radeon_audio, int, 0444); 257 258 TUNABLE_INT("drm.radeon.disp_priority", &radeon_disp_priority); 259 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 260 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 261 262 TUNABLE_INT("drm.radeon.hw_i2c", &radeon_hw_i2c); 263 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 264 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 265 266 TUNABLE_INT("drm.radeon.pcie_gen2", &radeon_pcie_gen2); 267 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); 268 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 269 270 TUNABLE_INT("drm.radeon.msi", &radeon_msi); 271 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); 272 module_param_named(msi, radeon_msi, int, 0444); 273 274 TUNABLE_INT("drm.radeon.lockup_timeout", &radeon_lockup_timeout); 275 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)"); 276 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444); 277 278 TUNABLE_INT("drm.radeon.fastfb", &radeon_fastfb); 279 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)"); 280 module_param_named(fastfb, radeon_fastfb, int, 0444); 281 282 TUNABLE_INT("drm.radeon.dpm", &radeon_dpm); 283 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)"); 284 module_param_named(dpm, radeon_dpm, int, 0444); 285 286 TUNABLE_INT("drm.radeon.aspm", &radeon_aspm); 287 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)"); 288 module_param_named(aspm, radeon_aspm, int, 0444); 289 290 TUNABLE_INT("drm.radeon.runtime_pm", &radeon_runtime_pm); /* careful with this */ 291 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)"); 292 module_param_named(runpm, radeon_runtime_pm, int, 0444); 293 294 TUNABLE_INT("drm.radeon.hard_reset", &radeon_hard_reset); /* very careful with this */ 295 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))"); 296 module_param_named(hard_reset, radeon_hard_reset, int, 0444); 297 298 TUNABLE_INT("drm.radeon.vm_size", &radeon_vm_size); 299 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)"); 300 module_param_named(vm_size, radeon_vm_size, int, 0444); 301 302 TUNABLE_INT("drm.radeon.vm_block_size", &radeon_vm_block_size); 303 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)"); 304 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444); 305 306 TUNABLE_INT("drm.radeon.deep_color", &radeon_deep_color); 307 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))"); 308 module_param_named(deep_color, radeon_deep_color, int, 0444); 309 310 TUNABLE_INT("drm.radeon.use_pflipirq", &radeon_use_pflipirq); 311 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))"); 312 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444); 313 314 TUNABLE_INT("drm.radeon.bapm", &radeon_bapm); 315 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)"); 316 module_param_named(bapm, radeon_bapm, int, 0444); 317 318 TUNABLE_INT("drm.radeon.backlight", &radeon_backlight); 319 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)"); 320 module_param_named(backlight, radeon_backlight, int, 0444); 321 322 TUNABLE_INT("drm.radeon.auxch", &radeon_auxch); 323 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)"); 324 module_param_named(auxch, radeon_auxch, int, 0444); 325 326 TUNABLE_INT("drm.radeon.mst", &radeon_mst); 327 MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)"); 328 module_param_named(mst, radeon_mst, int, 0444); 329 330 TUNABLE_INT("drm.radeon.uvd", &radeon_uvd); 331 MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)"); 332 module_param_named(uvd, radeon_uvd, int, 0444); 333 334 TUNABLE_INT("drm.radeon.vce", &radeon_vce); 335 MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)"); 336 module_param_named(vce, radeon_vce, int, 0444); 337 338 static drm_pci_id_list_t pciidlist[] = { 339 radeon_PCI_IDS 340 }; 341 342 static struct drm_driver kms_driver; 343 344 #ifdef DUMBBELL_WIP 345 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev) 346 { 347 struct apertures_struct *ap; 348 bool primary = false; 349 350 ap = alloc_apertures(1); 351 if (!ap) 352 return -ENOMEM; 353 354 ap->ranges[0].base = pci_resource_start(pdev, 0); 355 ap->ranges[0].size = pci_resource_len(pdev, 0); 356 357 #ifdef CONFIG_X86 358 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 359 #endif 360 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 361 kfree(ap); 362 363 return 0; 364 } 365 366 static int radeon_pci_probe(struct pci_dev *pdev, 367 const struct pci_device_id *ent) 368 { 369 int ret; 370 371 /* 372 * Initialize amdkfd before starting radeon. If it was not loaded yet, 373 * defer radeon probing 374 */ 375 ret = radeon_kfd_init(); 376 if (ret == -EPROBE_DEFER) 377 return ret; 378 379 /* 380 * apple-gmux is needed on dual GPU MacBook Pro 381 * to probe the panel if we're the inactive GPU. 382 */ 383 if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) && 384 apple_gmux_present() && pdev != vga_default_device() && 385 !vga_switcheroo_handler_flags()) 386 return -EPROBE_DEFER; 387 388 /* Get rid of things like offb */ 389 ret = radeon_kick_out_firmware_fb(pdev); 390 if (ret) 391 return ret; 392 393 return drm_get_pci_dev(pdev, ent, &kms_driver); 394 } 395 396 static void 397 radeon_pci_remove(struct pci_dev *pdev) 398 { 399 struct drm_device *dev = pci_get_drvdata(pdev); 400 401 drm_put_dev(dev); 402 } 403 404 static int radeon_pmops_suspend(struct device *dev) 405 { 406 struct pci_dev *pdev = to_pci_dev(dev); 407 struct drm_device *drm_dev = pci_get_drvdata(pdev); 408 return radeon_suspend_kms(drm_dev, true, true, false); 409 } 410 411 static int radeon_pmops_resume(struct device *dev) 412 { 413 struct pci_dev *pdev = to_pci_dev(dev); 414 struct drm_device *drm_dev = pci_get_drvdata(pdev); 415 return radeon_resume_kms(drm_dev, true, true); 416 } 417 418 static int radeon_pmops_freeze(struct device *dev) 419 { 420 struct pci_dev *pdev = to_pci_dev(dev); 421 struct drm_device *drm_dev = pci_get_drvdata(pdev); 422 return radeon_suspend_kms(drm_dev, false, true, true); 423 } 424 425 static int radeon_pmops_thaw(struct device *dev) 426 { 427 struct pci_dev *pdev = to_pci_dev(dev); 428 struct drm_device *drm_dev = pci_get_drvdata(pdev); 429 return radeon_resume_kms(drm_dev, false, true); 430 } 431 432 static int radeon_pmops_runtime_suspend(struct device *dev) 433 { 434 struct pci_dev *pdev = to_pci_dev(dev); 435 struct drm_device *drm_dev = pci_get_drvdata(pdev); 436 int ret; 437 438 if (!radeon_is_px(drm_dev)) { 439 pm_runtime_forbid(dev); 440 return -EBUSY; 441 } 442 443 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; 444 drm_kms_helper_poll_disable(drm_dev); 445 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); 446 447 ret = radeon_suspend_kms(drm_dev, false, false, false); 448 pci_save_state(pdev); 449 pci_disable_device(pdev); 450 pci_ignore_hotplug(pdev); 451 pci_set_power_state(pdev, PCI_D3cold); 452 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; 453 454 return 0; 455 } 456 457 static int radeon_pmops_runtime_resume(struct device *dev) 458 { 459 struct pci_dev *pdev = to_pci_dev(dev); 460 struct drm_device *drm_dev = pci_get_drvdata(pdev); 461 int ret; 462 463 if (!radeon_is_px(drm_dev)) 464 return -EINVAL; 465 466 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; 467 468 pci_set_power_state(pdev, PCI_D0); 469 pci_restore_state(pdev); 470 ret = pci_enable_device(pdev); 471 if (ret) 472 return ret; 473 pci_set_master(pdev); 474 475 ret = radeon_resume_kms(drm_dev, false, false); 476 drm_kms_helper_poll_enable(drm_dev); 477 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); 478 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; 479 return 0; 480 } 481 482 static int radeon_pmops_runtime_idle(struct device *dev) 483 { 484 struct pci_dev *pdev = to_pci_dev(dev); 485 struct drm_device *drm_dev = pci_get_drvdata(pdev); 486 struct drm_crtc *crtc; 487 488 if (!radeon_is_px(drm_dev)) { 489 pm_runtime_forbid(dev); 490 return -EBUSY; 491 } 492 493 list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) { 494 if (crtc->enabled) { 495 DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); 496 return -EBUSY; 497 } 498 } 499 500 pm_runtime_mark_last_busy(dev); 501 pm_runtime_autosuspend(dev); 502 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ 503 return 1; 504 } 505 506 long radeon_drm_ioctl(struct file *filp, 507 unsigned int cmd, unsigned long arg) 508 { 509 struct drm_file *file_priv = filp->private_data; 510 struct drm_device *dev; 511 long ret; 512 dev = file_priv->minor->dev; 513 ret = pm_runtime_get_sync(dev->dev); 514 if (ret < 0) 515 return ret; 516 517 ret = drm_ioctl(filp, cmd, arg); 518 519 pm_runtime_mark_last_busy(dev->dev); 520 pm_runtime_put_autosuspend(dev->dev); 521 return ret; 522 } 523 524 static const struct dev_pm_ops radeon_pm_ops = { 525 .suspend = radeon_pmops_suspend, 526 .resume = radeon_pmops_resume, 527 .freeze = radeon_pmops_freeze, 528 .thaw = radeon_pmops_thaw, 529 .poweroff = radeon_pmops_freeze, 530 .restore = radeon_pmops_resume, 531 .runtime_suspend = radeon_pmops_runtime_suspend, 532 .runtime_resume = radeon_pmops_runtime_resume, 533 .runtime_idle = radeon_pmops_runtime_idle, 534 }; 535 #endif /* DUMBBELL_WIP */ 536 537 static const struct file_operations radeon_driver_kms_fops = { 538 .owner = THIS_MODULE, 539 #if 0 540 .open = drm_open, 541 .release = drm_release, 542 .unlocked_ioctl = radeon_drm_ioctl, 543 .mmap = radeon_mmap, 544 .poll = drm_poll, 545 .read = drm_read, 546 #endif 547 #ifdef CONFIG_COMPAT 548 .compat_ioctl = radeon_kms_compat_ioctl, 549 #endif 550 }; 551 552 static int radeon_sysctl_init(struct drm_device *dev, struct sysctl_ctx_list *ctx, 553 struct sysctl_oid *top) 554 { 555 return drm_add_busid_modesetting(dev, ctx, top); 556 } 557 558 static struct drm_driver kms_driver = { 559 .driver_features = 560 DRIVER_USE_AGP | 561 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | 562 DRIVER_PRIME | DRIVER_RENDER, 563 .load = radeon_driver_load_kms, 564 .open = radeon_driver_open_kms, 565 .preclose = radeon_driver_preclose_kms, 566 .postclose = radeon_driver_postclose_kms, 567 .lastclose = radeon_driver_lastclose_kms, 568 .set_busid = drm_pci_set_busid, 569 .unload = radeon_driver_unload_kms, 570 .get_vblank_counter = radeon_get_vblank_counter_kms, 571 .enable_vblank = radeon_enable_vblank_kms, 572 .disable_vblank = radeon_disable_vblank_kms, 573 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 574 .get_scanout_position = radeon_get_crtc_scanoutpos, 575 #if defined(CONFIG_DEBUG_FS) 576 .debugfs_init = radeon_debugfs_init, 577 .debugfs_cleanup = radeon_debugfs_cleanup, 578 #endif 579 .irq_preinstall = radeon_driver_irq_preinstall_kms, 580 .irq_postinstall = radeon_driver_irq_postinstall_kms, 581 .irq_uninstall = radeon_driver_irq_uninstall_kms, 582 .irq_handler = radeon_driver_irq_handler_kms, 583 .sysctl_init = radeon_sysctl_init, 584 .ioctls = radeon_ioctls_kms, 585 .gem_free_object_unlocked = radeon_gem_object_free, 586 .gem_open_object = radeon_gem_object_open, 587 .gem_close_object = radeon_gem_object_close, 588 .dumb_create = radeon_mode_dumb_create, 589 .dumb_map_offset = radeon_mode_dumb_mmap, 590 .dumb_destroy = drm_gem_dumb_destroy, 591 .fops = &radeon_driver_kms_fops, 592 593 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 594 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 595 .gem_prime_export = radeon_gem_prime_export, 596 .gem_prime_import = drm_gem_prime_import, 597 .gem_prime_pin = radeon_gem_prime_pin, 598 .gem_prime_unpin = radeon_gem_prime_unpin, 599 .gem_prime_res_obj = radeon_gem_prime_res_obj, 600 .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table, 601 .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table, 602 .gem_prime_vmap = radeon_gem_prime_vmap, 603 .gem_prime_vunmap = radeon_gem_prime_vunmap, 604 605 .name = DRIVER_NAME, 606 .desc = DRIVER_DESC, 607 .date = DRIVER_DATE, 608 .major = KMS_DRIVER_MAJOR, 609 .minor = KMS_DRIVER_MINOR, 610 .patchlevel = KMS_DRIVER_PATCHLEVEL, 611 }; 612 613 static struct drm_driver *driver; 614 static struct pci_driver *pdriver; 615 616 #ifdef CONFIG_DRM_RADEON_UMS 617 static struct pci_driver radeon_pci_driver = { 618 .name = DRIVER_NAME, 619 .id_table = pciidlist, 620 }; 621 #endif 622 623 static struct pci_driver radeon_kms_pci_driver = { 624 #if 0 625 .name = DRIVER_NAME, 626 .id_table = pciidlist, 627 .probe = radeon_pci_probe, 628 .remove = radeon_pci_remove, 629 .driver.pm = &radeon_pm_ops, 630 #endif 631 }; 632 633 static int __init radeon_init(void) 634 { 635 if (vgacon_text_force() && radeon_modeset == -1) { 636 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 637 radeon_modeset = 0; 638 } 639 /* set to modesetting by default if not nomodeset */ 640 if (radeon_modeset == -1) 641 radeon_modeset = 1; 642 643 if (radeon_modeset == 1) { 644 DRM_INFO("radeon kernel modesetting enabled.\n"); 645 driver = &kms_driver; 646 pdriver = &radeon_kms_pci_driver; 647 driver->driver_features |= DRIVER_MODESET; 648 driver->num_ioctls = radeon_max_kms_ioctl; 649 radeon_register_atpx_handler(); 650 651 } else { 652 #ifdef CONFIG_DRM_RADEON_UMS 653 DRM_INFO("radeon userspace modesetting enabled.\n"); 654 driver = &driver_old; 655 pdriver = &radeon_pci_driver; 656 driver->driver_features &= ~DRIVER_MODESET; 657 driver->num_ioctls = radeon_max_ioctl; 658 #else 659 DRM_ERROR("No UMS support in radeon module!\n"); 660 return -EINVAL; 661 #endif 662 } 663 664 /* let modprobe override vga console setting */ 665 return drm_pci_init(driver, pdriver); 666 } 667 668 static void __exit radeon_exit(void) 669 { 670 radeon_kfd_fini(); 671 #if 0 672 drm_pci_exit(driver, pdriver); 673 #endif 674 radeon_unregister_atpx_handler(); 675 } 676 677 /* =================================================================== */ 678 679 static int 680 radeon_probe(device_t kdev) 681 { 682 683 return drm_probe(kdev, pciidlist); 684 } 685 686 static int 687 radeon_attach(device_t kdev) 688 { 689 struct drm_device *dev; 690 691 dev = device_get_softc(kdev); 692 if (radeon_modeset == 1) { 693 kms_driver.driver_features |= DRIVER_MODESET; 694 kms_driver.num_ioctls = radeon_max_kms_ioctl; 695 radeon_register_atpx_handler(); 696 } 697 dev->driver = &kms_driver; 698 return (drm_attach(kdev, pciidlist)); 699 } 700 701 static int 702 radeon_suspend(device_t kdev) 703 { 704 struct drm_device *dev; 705 int ret; 706 707 dev = device_get_softc(kdev); 708 ret = radeon_suspend_kms(dev, true, true, false); 709 710 return (-ret); 711 } 712 713 static int 714 radeon_resume(device_t kdev) 715 { 716 struct drm_device *dev; 717 int ret; 718 719 dev = device_get_softc(kdev); 720 ret = radeon_resume_kms(dev, true, true); 721 722 return (-ret); 723 } 724 725 static device_method_t radeon_methods[] = { 726 /* Device interface */ 727 DEVMETHOD(device_probe, radeon_probe), 728 DEVMETHOD(device_attach, radeon_attach), 729 DEVMETHOD(device_suspend, radeon_suspend), 730 DEVMETHOD(device_resume, radeon_resume), 731 DEVMETHOD(device_detach, drm_release), 732 DEVMETHOD_END 733 }; 734 735 static driver_t radeon_driver = { 736 "drm", 737 radeon_methods, 738 sizeof(struct drm_device) 739 }; 740 741 module_init(radeon_init); 742 module_exit(radeon_exit); 743 744 extern devclass_t drm_devclass; 745 DRIVER_MODULE_ORDERED(radeon, vgapci, radeon_driver, drm_devclass, 746 NULL, NULL, SI_ORDER_ANY); 747 MODULE_DEPEND(radeon, drm, 1, 1, 1); 748 #ifdef CONFIG_ACPI 749 MODULE_DEPEND(radeon, acpi, 1, 1, 1); 750 #endif 751