1 /* 2 * Copyright 2013 Advanced Micro Devices, Inc. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 19 * USE OR OTHER DEALINGS IN THE SOFTWARE. 20 * 21 * The above copyright notice and this permission notice (including the 22 * next paragraph) shall be included in all copies or substantial portions 23 * of the Software. 24 * 25 * Authors: Christian König <christian.koenig@amd.com> 26 */ 27 28 #include <linux/firmware.h> 29 #include <linux/module.h> 30 31 #include <drm/drm.h> 32 33 #include "radeon.h" 34 #include "radeon_asic.h" 35 #include "sid.h" 36 37 /* 1 second timeout */ 38 #define VCE_IDLE_TIMEOUT_MS 1000 39 40 /* Firmware Names */ 41 #define FIRMWARE_TAHITI "radeon/TAHITI_vce.bin" 42 #define FIRMWARE_BONAIRE "radeon/BONAIRE_vce.bin" 43 44 MODULE_FIRMWARE(FIRMWARE_TAHITI); 45 MODULE_FIRMWARE(FIRMWARE_BONAIRE); 46 47 static void radeon_vce_idle_work_handler(struct work_struct *work); 48 49 /** 50 * radeon_vce_init - allocate memory, load vce firmware 51 * 52 * @rdev: radeon_device pointer 53 * 54 * First step to get VCE online, allocate memory and load the firmware 55 */ radeon_vce_init(struct radeon_device * rdev)56 int radeon_vce_init(struct radeon_device *rdev) 57 { 58 static const char *fw_version = "[ATI LIB=VCEFW,"; 59 static const char *fb_version = "[ATI LIB=VCEFWSTATS,"; 60 unsigned long size; 61 const char *fw_name, *c; 62 uint8_t start, mid, end; 63 int i, r; 64 65 INIT_DELAYED_WORK(&rdev->vce.idle_work, radeon_vce_idle_work_handler); 66 67 switch (rdev->family) { 68 case CHIP_TAHITI: 69 case CHIP_PITCAIRN: 70 case CHIP_VERDE: 71 case CHIP_ARUBA: 72 fw_name = FIRMWARE_TAHITI; 73 break; 74 75 case CHIP_BONAIRE: 76 case CHIP_KAVERI: 77 case CHIP_KABINI: 78 case CHIP_HAWAII: 79 case CHIP_MULLINS: 80 fw_name = FIRMWARE_BONAIRE; 81 break; 82 83 default: 84 return -EINVAL; 85 } 86 87 r = request_firmware(&rdev->vce_fw, fw_name, rdev->dev); 88 if (r) { 89 dev_err(rdev->dev, "radeon_vce: Can't load firmware \"%s\"\n", 90 fw_name); 91 return r; 92 } 93 94 /* search for firmware version */ 95 96 size = rdev->vce_fw->size - strlen(fw_version) - 9; 97 c = rdev->vce_fw->data; 98 for (; size > 0; --size, ++c) 99 if (strncmp(c, fw_version, strlen(fw_version)) == 0) 100 break; 101 102 if (size == 0) 103 return -EINVAL; 104 105 c += strlen(fw_version); 106 if (sscanf(c, "%2hhd.%2hhd.%2hhd]", &start, &mid, &end) != 3) 107 return -EINVAL; 108 109 /* search for feedback version */ 110 111 size = rdev->vce_fw->size - strlen(fb_version) - 3; 112 c = rdev->vce_fw->data; 113 for (; size > 0; --size, ++c) 114 if (strncmp(c, fb_version, strlen(fb_version)) == 0) 115 break; 116 117 if (size == 0) 118 return -EINVAL; 119 120 c += strlen(fb_version); 121 if (sscanf(c, "%2u]", &rdev->vce.fb_version) != 1) 122 return -EINVAL; 123 124 DRM_INFO("Found VCE firmware/feedback version %d.%d.%d / %d!\n", 125 start, mid, end, rdev->vce.fb_version); 126 127 rdev->vce.fw_version = (start << 24) | (mid << 16) | (end << 8); 128 129 /* we can only work with this fw version for now */ 130 if ((rdev->vce.fw_version != ((40 << 24) | (2 << 16) | (2 << 8))) && 131 (rdev->vce.fw_version != ((50 << 24) | (0 << 16) | (1 << 8))) && 132 (rdev->vce.fw_version != ((50 << 24) | (1 << 16) | (2 << 8)))) 133 return -EINVAL; 134 135 /* allocate firmware, stack and heap BO */ 136 137 if (rdev->family < CHIP_BONAIRE) 138 size = vce_v1_0_bo_size(rdev); 139 else 140 size = vce_v2_0_bo_size(rdev); 141 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, 142 RADEON_GEM_DOMAIN_VRAM, 0, NULL, NULL, 143 &rdev->vce.vcpu_bo); 144 if (r) { 145 dev_err(rdev->dev, "(%d) failed to allocate VCE bo\n", r); 146 return r; 147 } 148 149 r = radeon_bo_reserve(rdev->vce.vcpu_bo, false); 150 if (r) { 151 radeon_bo_unref(&rdev->vce.vcpu_bo); 152 dev_err(rdev->dev, "(%d) failed to reserve VCE bo\n", r); 153 return r; 154 } 155 156 r = radeon_bo_pin(rdev->vce.vcpu_bo, RADEON_GEM_DOMAIN_VRAM, 157 &rdev->vce.gpu_addr); 158 radeon_bo_unreserve(rdev->vce.vcpu_bo); 159 if (r) { 160 radeon_bo_unref(&rdev->vce.vcpu_bo); 161 dev_err(rdev->dev, "(%d) VCE bo pin failed\n", r); 162 return r; 163 } 164 165 for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) { 166 atomic_set(&rdev->vce.handles[i], 0); 167 rdev->vce.filp[i] = NULL; 168 } 169 170 return 0; 171 } 172 173 /** 174 * radeon_vce_fini - free memory 175 * 176 * @rdev: radeon_device pointer 177 * 178 * Last step on VCE teardown, free firmware memory 179 */ radeon_vce_fini(struct radeon_device * rdev)180 void radeon_vce_fini(struct radeon_device *rdev) 181 { 182 if (rdev->vce.vcpu_bo == NULL) 183 return; 184 185 radeon_bo_unref(&rdev->vce.vcpu_bo); 186 187 release_firmware(rdev->vce_fw); 188 } 189 190 /** 191 * radeon_vce_suspend - unpin VCE fw memory 192 * 193 * @rdev: radeon_device pointer 194 * 195 */ radeon_vce_suspend(struct radeon_device * rdev)196 int radeon_vce_suspend(struct radeon_device *rdev) 197 { 198 int i; 199 200 if (rdev->vce.vcpu_bo == NULL) 201 return 0; 202 203 for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) 204 if (atomic_read(&rdev->vce.handles[i])) 205 break; 206 207 if (i == RADEON_MAX_VCE_HANDLES) 208 return 0; 209 210 /* TODO: suspending running encoding sessions isn't supported */ 211 return -EINVAL; 212 } 213 214 /** 215 * radeon_vce_resume - pin VCE fw memory 216 * 217 * @rdev: radeon_device pointer 218 * 219 */ radeon_vce_resume(struct radeon_device * rdev)220 int radeon_vce_resume(struct radeon_device *rdev) 221 { 222 void *cpu_addr; 223 int r; 224 225 if (rdev->vce.vcpu_bo == NULL) 226 return -EINVAL; 227 228 r = radeon_bo_reserve(rdev->vce.vcpu_bo, false); 229 if (r) { 230 dev_err(rdev->dev, "(%d) failed to reserve VCE bo\n", r); 231 return r; 232 } 233 234 r = radeon_bo_kmap(rdev->vce.vcpu_bo, &cpu_addr); 235 if (r) { 236 radeon_bo_unreserve(rdev->vce.vcpu_bo); 237 dev_err(rdev->dev, "(%d) VCE map failed\n", r); 238 return r; 239 } 240 241 memset(cpu_addr, 0, radeon_bo_size(rdev->vce.vcpu_bo)); 242 if (rdev->family < CHIP_BONAIRE) 243 r = vce_v1_0_load_fw(rdev, cpu_addr); 244 else 245 memcpy(cpu_addr, rdev->vce_fw->data, rdev->vce_fw->size); 246 247 radeon_bo_kunmap(rdev->vce.vcpu_bo); 248 249 radeon_bo_unreserve(rdev->vce.vcpu_bo); 250 251 return r; 252 } 253 254 /** 255 * radeon_vce_idle_work_handler - power off VCE 256 * 257 * @work: pointer to work structure 258 * 259 * power of VCE when it's not used any more 260 */ radeon_vce_idle_work_handler(struct work_struct * work)261 static void radeon_vce_idle_work_handler(struct work_struct *work) 262 { 263 struct radeon_device *rdev = 264 container_of(work, struct radeon_device, vce.idle_work.work); 265 266 if ((radeon_fence_count_emitted(rdev, TN_RING_TYPE_VCE1_INDEX) == 0) && 267 (radeon_fence_count_emitted(rdev, TN_RING_TYPE_VCE2_INDEX) == 0)) { 268 if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { 269 radeon_dpm_enable_vce(rdev, false); 270 } else { 271 radeon_set_vce_clocks(rdev, 0, 0); 272 } 273 } else { 274 schedule_delayed_work(&rdev->vce.idle_work, 275 msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS)); 276 } 277 } 278 279 /** 280 * radeon_vce_note_usage - power up VCE 281 * 282 * @rdev: radeon_device pointer 283 * 284 * Make sure VCE is powerd up when we want to use it 285 */ radeon_vce_note_usage(struct radeon_device * rdev)286 void radeon_vce_note_usage(struct radeon_device *rdev) 287 { 288 bool streams_changed = false; 289 bool set_clocks = !cancel_delayed_work_sync(&rdev->vce.idle_work); 290 set_clocks &= schedule_delayed_work(&rdev->vce.idle_work, 291 msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS)); 292 293 if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { 294 /* XXX figure out if the streams changed */ 295 streams_changed = false; 296 } 297 298 if (set_clocks || streams_changed) { 299 if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { 300 radeon_dpm_enable_vce(rdev, true); 301 } else { 302 radeon_set_vce_clocks(rdev, 53300, 40000); 303 } 304 } 305 } 306 307 /** 308 * radeon_vce_free_handles - free still open VCE handles 309 * 310 * @rdev: radeon_device pointer 311 * @filp: drm file pointer 312 * 313 * Close all VCE handles still open by this file pointer 314 */ radeon_vce_free_handles(struct radeon_device * rdev,struct drm_file * filp)315 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp) 316 { 317 int i, r; 318 for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) { 319 uint32_t handle = atomic_read(&rdev->vce.handles[i]); 320 if (!handle || rdev->vce.filp[i] != filp) 321 continue; 322 323 radeon_vce_note_usage(rdev); 324 325 r = radeon_vce_get_destroy_msg(rdev, TN_RING_TYPE_VCE1_INDEX, 326 handle, NULL); 327 if (r) 328 DRM_ERROR("Error destroying VCE handle (%d)!\n", r); 329 330 rdev->vce.filp[i] = NULL; 331 atomic_set(&rdev->vce.handles[i], 0); 332 } 333 } 334 335 /** 336 * radeon_vce_get_create_msg - generate a VCE create msg 337 * 338 * @rdev: radeon_device pointer 339 * @ring: ring we should submit the msg to 340 * @handle: VCE session handle to use 341 * @fence: optional fence to return 342 * 343 * Open up a stream for HW test 344 */ radeon_vce_get_create_msg(struct radeon_device * rdev,int ring,uint32_t handle,struct radeon_fence ** fence)345 int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring, 346 uint32_t handle, struct radeon_fence **fence) 347 { 348 const unsigned ib_size_dw = 1024; 349 struct radeon_ib ib; 350 uint64_t dummy; 351 int i, r; 352 353 r = radeon_ib_get(rdev, ring, &ib, NULL, ib_size_dw * 4); 354 if (r) { 355 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 356 return r; 357 } 358 359 dummy = ib.gpu_addr + 1024; 360 361 /* stitch together an VCE create msg */ 362 ib.length_dw = 0; 363 ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c); /* len */ 364 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); /* session cmd */ 365 ib.ptr[ib.length_dw++] = cpu_to_le32(handle); 366 367 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000030); /* len */ 368 ib.ptr[ib.length_dw++] = cpu_to_le32(0x01000001); /* create cmd */ 369 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000000); 370 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000042); 371 ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000a); 372 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); 373 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000080); 374 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000060); 375 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000100); 376 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000100); 377 ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c); 378 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000000); 379 380 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000014); /* len */ 381 ib.ptr[ib.length_dw++] = cpu_to_le32(0x05000005); /* feedback buffer */ 382 ib.ptr[ib.length_dw++] = cpu_to_le32(upper_32_bits(dummy)); 383 ib.ptr[ib.length_dw++] = cpu_to_le32(dummy); 384 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); 385 386 for (i = ib.length_dw; i < ib_size_dw; ++i) 387 ib.ptr[i] = cpu_to_le32(0x0); 388 389 r = radeon_ib_schedule(rdev, &ib, NULL, false); 390 if (r) 391 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 392 393 394 if (fence) 395 *fence = radeon_fence_ref(ib.fence); 396 397 radeon_ib_free(rdev, &ib); 398 399 return r; 400 } 401 402 /** 403 * radeon_vce_get_destroy_msg - generate a VCE destroy msg 404 * 405 * @rdev: radeon_device pointer 406 * @ring: ring we should submit the msg to 407 * @handle: VCE session handle to use 408 * @fence: optional fence to return 409 * 410 * Close up a stream for HW test or if userspace failed to do so 411 */ radeon_vce_get_destroy_msg(struct radeon_device * rdev,int ring,uint32_t handle,struct radeon_fence ** fence)412 int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring, 413 uint32_t handle, struct radeon_fence **fence) 414 { 415 const unsigned ib_size_dw = 1024; 416 struct radeon_ib ib; 417 uint64_t dummy; 418 int i, r; 419 420 r = radeon_ib_get(rdev, ring, &ib, NULL, ib_size_dw * 4); 421 if (r) { 422 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 423 return r; 424 } 425 426 dummy = ib.gpu_addr + 1024; 427 428 /* stitch together an VCE destroy msg */ 429 ib.length_dw = 0; 430 ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c); /* len */ 431 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); /* session cmd */ 432 ib.ptr[ib.length_dw++] = cpu_to_le32(handle); 433 434 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000014); /* len */ 435 ib.ptr[ib.length_dw++] = cpu_to_le32(0x05000005); /* feedback buffer */ 436 ib.ptr[ib.length_dw++] = cpu_to_le32(upper_32_bits(dummy)); 437 ib.ptr[ib.length_dw++] = cpu_to_le32(dummy); 438 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); 439 440 ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000008); /* len */ 441 ib.ptr[ib.length_dw++] = cpu_to_le32(0x02000001); /* destroy cmd */ 442 443 for (i = ib.length_dw; i < ib_size_dw; ++i) 444 ib.ptr[i] = cpu_to_le32(0x0); 445 446 r = radeon_ib_schedule(rdev, &ib, NULL, false); 447 if (r) { 448 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 449 } 450 451 if (fence) 452 *fence = radeon_fence_ref(ib.fence); 453 454 radeon_ib_free(rdev, &ib); 455 456 return r; 457 } 458 459 /** 460 * radeon_vce_cs_reloc - command submission relocation 461 * 462 * @p: parser context 463 * @lo: address of lower dword 464 * @hi: address of higher dword 465 * @size: size of checker for relocation buffer 466 * 467 * Patch relocation inside command stream with real buffer address 468 */ radeon_vce_cs_reloc(struct radeon_cs_parser * p,int lo,int hi,unsigned size)469 int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, 470 unsigned size) 471 { 472 struct radeon_cs_chunk *relocs_chunk; 473 struct radeon_bo_list *reloc; 474 uint64_t start, end, offset; 475 unsigned idx; 476 477 relocs_chunk = p->chunk_relocs; 478 offset = radeon_get_ib_value(p, lo); 479 idx = radeon_get_ib_value(p, hi); 480 481 if (idx >= relocs_chunk->length_dw) { 482 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", 483 idx, relocs_chunk->length_dw); 484 return -EINVAL; 485 } 486 487 reloc = &p->relocs[(idx / 4)]; 488 start = reloc->gpu_offset; 489 end = start + radeon_bo_size(reloc->robj); 490 start += offset; 491 492 p->ib.ptr[lo] = start & 0xFFFFFFFF; 493 p->ib.ptr[hi] = start >> 32; 494 495 if (end <= start) { 496 DRM_ERROR("invalid reloc offset %llX!\n", offset); 497 return -EINVAL; 498 } 499 if ((end - start) < size) { 500 DRM_ERROR("buffer to small (%d / %d)!\n", 501 (unsigned)(end - start), size); 502 return -EINVAL; 503 } 504 505 return 0; 506 } 507 508 /** 509 * radeon_vce_validate_handle - validate stream handle 510 * 511 * @p: parser context 512 * @handle: handle to validate 513 * @allocated: allocated a new handle? 514 * 515 * Validates the handle and return the found session index or -EINVAL 516 * we don't have another free session index. 517 */ radeon_vce_validate_handle(struct radeon_cs_parser * p,uint32_t handle,bool * allocated)518 static int radeon_vce_validate_handle(struct radeon_cs_parser *p, 519 uint32_t handle, bool *allocated) 520 { 521 unsigned i; 522 523 *allocated = false; 524 525 /* validate the handle */ 526 for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) { 527 if (atomic_read(&p->rdev->vce.handles[i]) == handle) { 528 if (p->rdev->vce.filp[i] != p->filp) { 529 DRM_ERROR("VCE handle collision detected!\n"); 530 return -EINVAL; 531 } 532 return i; 533 } 534 } 535 536 /* handle not found try to alloc a new one */ 537 for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) { 538 if (!atomic_cmpxchg(&p->rdev->vce.handles[i], 0, handle)) { 539 p->rdev->vce.filp[i] = p->filp; 540 p->rdev->vce.img_size[i] = 0; 541 *allocated = true; 542 return i; 543 } 544 } 545 546 DRM_ERROR("No more free VCE handles!\n"); 547 return -EINVAL; 548 } 549 550 /** 551 * radeon_vce_cs_parse - parse and validate the command stream 552 * 553 * @p: parser context 554 * 555 */ radeon_vce_cs_parse(struct radeon_cs_parser * p)556 int radeon_vce_cs_parse(struct radeon_cs_parser *p) 557 { 558 int session_idx = -1; 559 bool destroyed = false, created = false, allocated = false; 560 uint32_t tmp, handle = 0; 561 uint32_t *size = &tmp; 562 int i, r = 0; 563 564 while (p->idx < p->chunk_ib->length_dw) { 565 uint32_t len = radeon_get_ib_value(p, p->idx); 566 uint32_t cmd = radeon_get_ib_value(p, p->idx + 1); 567 568 if ((len < 8) || (len & 3)) { 569 DRM_ERROR("invalid VCE command length (%d)!\n", len); 570 r = -EINVAL; 571 goto out; 572 } 573 574 if (destroyed) { 575 DRM_ERROR("No other command allowed after destroy!\n"); 576 r = -EINVAL; 577 goto out; 578 } 579 580 switch (cmd) { 581 case 0x00000001: // session 582 handle = radeon_get_ib_value(p, p->idx + 2); 583 session_idx = radeon_vce_validate_handle(p, handle, 584 &allocated); 585 if (session_idx < 0) 586 return session_idx; 587 size = &p->rdev->vce.img_size[session_idx]; 588 break; 589 590 case 0x00000002: // task info 591 break; 592 593 case 0x01000001: // create 594 created = true; 595 if (!allocated) { 596 DRM_ERROR("Handle already in use!\n"); 597 r = -EINVAL; 598 goto out; 599 } 600 601 *size = radeon_get_ib_value(p, p->idx + 8) * 602 radeon_get_ib_value(p, p->idx + 10) * 603 8 * 3 / 2; 604 break; 605 606 case 0x04000001: // config extension 607 case 0x04000002: // pic control 608 case 0x04000005: // rate control 609 case 0x04000007: // motion estimation 610 case 0x04000008: // rdo 611 case 0x04000009: // vui 612 break; 613 614 case 0x03000001: // encode 615 r = radeon_vce_cs_reloc(p, p->idx + 10, p->idx + 9, 616 *size); 617 if (r) 618 goto out; 619 620 r = radeon_vce_cs_reloc(p, p->idx + 12, p->idx + 11, 621 *size / 3); 622 if (r) 623 goto out; 624 break; 625 626 case 0x02000001: // destroy 627 destroyed = true; 628 break; 629 630 case 0x05000001: // context buffer 631 r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2, 632 *size * 2); 633 if (r) 634 goto out; 635 break; 636 637 case 0x05000004: // video bitstream buffer 638 tmp = radeon_get_ib_value(p, p->idx + 4); 639 r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2, 640 tmp); 641 if (r) 642 goto out; 643 break; 644 645 case 0x05000005: // feedback buffer 646 r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2, 647 4096); 648 if (r) 649 goto out; 650 break; 651 652 default: 653 DRM_ERROR("invalid VCE command (0x%x)!\n", cmd); 654 r = -EINVAL; 655 goto out; 656 } 657 658 if (session_idx == -1) { 659 DRM_ERROR("no session command at start of IB\n"); 660 r = -EINVAL; 661 goto out; 662 } 663 664 p->idx += len / 4; 665 } 666 667 if (allocated && !created) { 668 DRM_ERROR("New session without create command!\n"); 669 r = -ENOENT; 670 } 671 672 out: 673 if ((!r && destroyed) || (r && allocated)) { 674 /* 675 * IB contains a destroy msg or we have allocated an 676 * handle and got an error, anyway free the handle 677 */ 678 for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) 679 atomic_cmpxchg(&p->rdev->vce.handles[i], handle, 0); 680 } 681 682 return r; 683 } 684 685 /** 686 * radeon_vce_semaphore_emit - emit a semaphore command 687 * 688 * @rdev: radeon_device pointer 689 * @ring: engine to use 690 * @semaphore: address of semaphore 691 * @emit_wait: true=emit wait, false=emit signal 692 * 693 */ radeon_vce_semaphore_emit(struct radeon_device * rdev,struct radeon_ring * ring,struct radeon_semaphore * semaphore,bool emit_wait)694 bool radeon_vce_semaphore_emit(struct radeon_device *rdev, 695 struct radeon_ring *ring, 696 struct radeon_semaphore *semaphore, 697 bool emit_wait) 698 { 699 uint64_t addr = semaphore->gpu_addr; 700 701 radeon_ring_write(ring, cpu_to_le32(VCE_CMD_SEMAPHORE)); 702 radeon_ring_write(ring, cpu_to_le32((addr >> 3) & 0x000FFFFF)); 703 radeon_ring_write(ring, cpu_to_le32((addr >> 23) & 0x000FFFFF)); 704 radeon_ring_write(ring, cpu_to_le32(0x01003000 | (emit_wait ? 1 : 0))); 705 if (!emit_wait) 706 radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END)); 707 708 return true; 709 } 710 711 /** 712 * radeon_vce_ib_execute - execute indirect buffer 713 * 714 * @rdev: radeon_device pointer 715 * @ib: the IB to execute 716 * 717 */ radeon_vce_ib_execute(struct radeon_device * rdev,struct radeon_ib * ib)718 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 719 { 720 struct radeon_ring *ring = &rdev->ring[ib->ring]; 721 radeon_ring_write(ring, cpu_to_le32(VCE_CMD_IB)); 722 radeon_ring_write(ring, cpu_to_le32(ib->gpu_addr)); 723 radeon_ring_write(ring, cpu_to_le32(upper_32_bits(ib->gpu_addr))); 724 radeon_ring_write(ring, cpu_to_le32(ib->length_dw)); 725 } 726 727 /** 728 * radeon_vce_fence_emit - add a fence command to the ring 729 * 730 * @rdev: radeon_device pointer 731 * @fence: the fence 732 * 733 */ radeon_vce_fence_emit(struct radeon_device * rdev,struct radeon_fence * fence)734 void radeon_vce_fence_emit(struct radeon_device *rdev, 735 struct radeon_fence *fence) 736 { 737 struct radeon_ring *ring = &rdev->ring[fence->ring]; 738 uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr; 739 740 radeon_ring_write(ring, cpu_to_le32(VCE_CMD_FENCE)); 741 radeon_ring_write(ring, cpu_to_le32(addr)); 742 radeon_ring_write(ring, cpu_to_le32(upper_32_bits(addr))); 743 radeon_ring_write(ring, cpu_to_le32(fence->seq)); 744 radeon_ring_write(ring, cpu_to_le32(VCE_CMD_TRAP)); 745 radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END)); 746 } 747 748 /** 749 * radeon_vce_ring_test - test if VCE ring is working 750 * 751 * @rdev: radeon_device pointer 752 * @ring: the engine to test on 753 * 754 */ radeon_vce_ring_test(struct radeon_device * rdev,struct radeon_ring * ring)755 int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 756 { 757 uint32_t rptr = vce_v1_0_get_rptr(rdev, ring); 758 unsigned i; 759 int r; 760 761 r = radeon_ring_lock(rdev, ring, 16); 762 if (r) { 763 DRM_ERROR("radeon: vce failed to lock ring %d (%d).\n", 764 ring->idx, r); 765 return r; 766 } 767 radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END)); 768 radeon_ring_unlock_commit(rdev, ring, false); 769 770 for (i = 0; i < rdev->usec_timeout; i++) { 771 if (vce_v1_0_get_rptr(rdev, ring) != rptr) 772 break; 773 udelay(1); 774 } 775 776 if (i < rdev->usec_timeout) { 777 DRM_INFO("ring test on %d succeeded in %d usecs\n", 778 ring->idx, i); 779 } else { 780 DRM_ERROR("radeon: ring %d test failed\n", 781 ring->idx); 782 r = -ETIMEDOUT; 783 } 784 785 return r; 786 } 787 788 /** 789 * radeon_vce_ib_test - test if VCE IBs are working 790 * 791 * @rdev: radeon_device pointer 792 * @ring: the engine to test on 793 * 794 */ radeon_vce_ib_test(struct radeon_device * rdev,struct radeon_ring * ring)795 int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) 796 { 797 struct radeon_fence *fence = NULL; 798 int r; 799 800 r = radeon_vce_get_create_msg(rdev, ring->idx, 1, NULL); 801 if (r) { 802 DRM_ERROR("radeon: failed to get create msg (%d).\n", r); 803 goto error; 804 } 805 806 r = radeon_vce_get_destroy_msg(rdev, ring->idx, 1, &fence); 807 if (r) { 808 DRM_ERROR("radeon: failed to get destroy ib (%d).\n", r); 809 goto error; 810 } 811 812 r = radeon_fence_wait_timeout(fence, false, usecs_to_jiffies( 813 RADEON_USEC_IB_TEST_TIMEOUT)); 814 if (r < 0) { 815 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 816 } else if (r == 0) { 817 DRM_ERROR("radeon: fence wait timed out.\n"); 818 r = -ETIMEDOUT; 819 } else { 820 DRM_INFO("ib test on ring %d succeeded\n", ring->idx); 821 r = 0; 822 } 823 error: 824 radeon_fence_unref(&fence); 825 return r; 826 } 827