1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #include <linux/firmware.h> 25 #include <drm/drmP.h> 26 #include "amdgpu.h" 27 #include "amdgpu_uvd.h" 28 #include "soc15.h" 29 #include "soc15d.h" 30 #include "soc15_common.h" 31 #include "mmsch_v1_0.h" 32 33 #include "uvd/uvd_7_0_offset.h" 34 #include "uvd/uvd_7_0_sh_mask.h" 35 #include "vce/vce_4_0_offset.h" 36 #include "vce/vce_4_0_default.h" 37 #include "vce/vce_4_0_sh_mask.h" 38 #include "nbif/nbif_6_1_offset.h" 39 #include "hdp/hdp_4_0_offset.h" 40 #include "mmhub/mmhub_1_0_offset.h" 41 #include "mmhub/mmhub_1_0_sh_mask.h" 42 43 static void uvd_v7_0_set_ring_funcs(struct amdgpu_device *adev); 44 static void uvd_v7_0_set_enc_ring_funcs(struct amdgpu_device *adev); 45 static void uvd_v7_0_set_irq_funcs(struct amdgpu_device *adev); 46 static int uvd_v7_0_start(struct amdgpu_device *adev); 47 static void uvd_v7_0_stop(struct amdgpu_device *adev); 48 static int uvd_v7_0_sriov_start(struct amdgpu_device *adev); 49 50 /** 51 * uvd_v7_0_ring_get_rptr - get read pointer 52 * 53 * @ring: amdgpu_ring pointer 54 * 55 * Returns the current hardware read pointer 56 */ 57 static uint64_t uvd_v7_0_ring_get_rptr(struct amdgpu_ring *ring) 58 { 59 struct amdgpu_device *adev = ring->adev; 60 61 return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR); 62 } 63 64 /** 65 * uvd_v7_0_enc_ring_get_rptr - get enc read pointer 66 * 67 * @ring: amdgpu_ring pointer 68 * 69 * Returns the current hardware enc read pointer 70 */ 71 static uint64_t uvd_v7_0_enc_ring_get_rptr(struct amdgpu_ring *ring) 72 { 73 struct amdgpu_device *adev = ring->adev; 74 75 if (ring == &adev->uvd.ring_enc[0]) 76 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR); 77 else 78 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2); 79 } 80 81 /** 82 * uvd_v7_0_ring_get_wptr - get write pointer 83 * 84 * @ring: amdgpu_ring pointer 85 * 86 * Returns the current hardware write pointer 87 */ 88 static uint64_t uvd_v7_0_ring_get_wptr(struct amdgpu_ring *ring) 89 { 90 struct amdgpu_device *adev = ring->adev; 91 92 return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR); 93 } 94 95 /** 96 * uvd_v7_0_enc_ring_get_wptr - get enc write pointer 97 * 98 * @ring: amdgpu_ring pointer 99 * 100 * Returns the current hardware enc write pointer 101 */ 102 static uint64_t uvd_v7_0_enc_ring_get_wptr(struct amdgpu_ring *ring) 103 { 104 struct amdgpu_device *adev = ring->adev; 105 106 if (ring->use_doorbell) 107 return adev->wb.wb[ring->wptr_offs]; 108 109 if (ring == &adev->uvd.ring_enc[0]) 110 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR); 111 else 112 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2); 113 } 114 115 /** 116 * uvd_v7_0_ring_set_wptr - set write pointer 117 * 118 * @ring: amdgpu_ring pointer 119 * 120 * Commits the write pointer to the hardware 121 */ 122 static void uvd_v7_0_ring_set_wptr(struct amdgpu_ring *ring) 123 { 124 struct amdgpu_device *adev = ring->adev; 125 126 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 127 } 128 129 /** 130 * uvd_v7_0_enc_ring_set_wptr - set enc write pointer 131 * 132 * @ring: amdgpu_ring pointer 133 * 134 * Commits the enc write pointer to the hardware 135 */ 136 static void uvd_v7_0_enc_ring_set_wptr(struct amdgpu_ring *ring) 137 { 138 struct amdgpu_device *adev = ring->adev; 139 140 if (ring->use_doorbell) { 141 /* XXX check if swapping is necessary on BE */ 142 adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr); 143 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); 144 return; 145 } 146 147 if (ring == &adev->uvd.ring_enc[0]) 148 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, 149 lower_32_bits(ring->wptr)); 150 else 151 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, 152 lower_32_bits(ring->wptr)); 153 } 154 155 /** 156 * uvd_v7_0_enc_ring_test_ring - test if UVD ENC ring is working 157 * 158 * @ring: the engine to test on 159 * 160 */ 161 static int uvd_v7_0_enc_ring_test_ring(struct amdgpu_ring *ring) 162 { 163 struct amdgpu_device *adev = ring->adev; 164 uint32_t rptr = amdgpu_ring_get_rptr(ring); 165 unsigned i; 166 int r; 167 168 if (amdgpu_sriov_vf(adev)) 169 return 0; 170 171 r = amdgpu_ring_alloc(ring, 16); 172 if (r) { 173 DRM_ERROR("amdgpu: uvd enc failed to lock ring %d (%d).\n", 174 ring->idx, r); 175 return r; 176 } 177 amdgpu_ring_write(ring, HEVC_ENC_CMD_END); 178 amdgpu_ring_commit(ring); 179 180 for (i = 0; i < adev->usec_timeout; i++) { 181 if (amdgpu_ring_get_rptr(ring) != rptr) 182 break; 183 DRM_UDELAY(1); 184 } 185 186 if (i < adev->usec_timeout) { 187 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", 188 ring->idx, i); 189 } else { 190 DRM_ERROR("amdgpu: ring %d test failed\n", 191 ring->idx); 192 r = -ETIMEDOUT; 193 } 194 195 return r; 196 } 197 198 /** 199 * uvd_v7_0_enc_get_create_msg - generate a UVD ENC create msg 200 * 201 * @adev: amdgpu_device pointer 202 * @ring: ring we should submit the msg to 203 * @handle: session handle to use 204 * @fence: optional fence to return 205 * 206 * Open up a stream for HW test 207 */ 208 static int uvd_v7_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 209 struct dma_fence **fence) 210 { 211 const unsigned ib_size_dw = 16; 212 struct amdgpu_job *job; 213 struct amdgpu_ib *ib; 214 struct dma_fence *f = NULL; 215 uint64_t dummy; 216 int i, r; 217 218 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); 219 if (r) 220 return r; 221 222 ib = &job->ibs[0]; 223 dummy = ib->gpu_addr + 1024; 224 225 ib->length_dw = 0; 226 ib->ptr[ib->length_dw++] = 0x00000018; 227 ib->ptr[ib->length_dw++] = 0x00000001; /* session info */ 228 ib->ptr[ib->length_dw++] = handle; 229 ib->ptr[ib->length_dw++] = 0x00000000; 230 ib->ptr[ib->length_dw++] = upper_32_bits(dummy); 231 ib->ptr[ib->length_dw++] = dummy; 232 233 ib->ptr[ib->length_dw++] = 0x00000014; 234 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ 235 ib->ptr[ib->length_dw++] = 0x0000001c; 236 ib->ptr[ib->length_dw++] = 0x00000000; 237 ib->ptr[ib->length_dw++] = 0x00000000; 238 239 ib->ptr[ib->length_dw++] = 0x00000008; 240 ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */ 241 242 for (i = ib->length_dw; i < ib_size_dw; ++i) 243 ib->ptr[i] = 0x0; 244 245 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); 246 job->fence = dma_fence_get(f); 247 if (r) 248 goto err; 249 250 amdgpu_job_free(job); 251 if (fence) 252 *fence = dma_fence_get(f); 253 dma_fence_put(f); 254 return 0; 255 256 err: 257 amdgpu_job_free(job); 258 return r; 259 } 260 261 /** 262 * uvd_v7_0_enc_get_destroy_msg - generate a UVD ENC destroy msg 263 * 264 * @adev: amdgpu_device pointer 265 * @ring: ring we should submit the msg to 266 * @handle: session handle to use 267 * @fence: optional fence to return 268 * 269 * Close up a stream for HW test or if userspace failed to do so 270 */ 271 int uvd_v7_0_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 272 bool direct, struct dma_fence **fence) 273 { 274 const unsigned ib_size_dw = 16; 275 struct amdgpu_job *job; 276 struct amdgpu_ib *ib; 277 struct dma_fence *f = NULL; 278 uint64_t dummy; 279 int i, r; 280 281 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); 282 if (r) 283 return r; 284 285 ib = &job->ibs[0]; 286 dummy = ib->gpu_addr + 1024; 287 288 ib->length_dw = 0; 289 ib->ptr[ib->length_dw++] = 0x00000018; 290 ib->ptr[ib->length_dw++] = 0x00000001; 291 ib->ptr[ib->length_dw++] = handle; 292 ib->ptr[ib->length_dw++] = 0x00000000; 293 ib->ptr[ib->length_dw++] = upper_32_bits(dummy); 294 ib->ptr[ib->length_dw++] = dummy; 295 296 ib->ptr[ib->length_dw++] = 0x00000014; 297 ib->ptr[ib->length_dw++] = 0x00000002; 298 ib->ptr[ib->length_dw++] = 0x0000001c; 299 ib->ptr[ib->length_dw++] = 0x00000000; 300 ib->ptr[ib->length_dw++] = 0x00000000; 301 302 ib->ptr[ib->length_dw++] = 0x00000008; 303 ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */ 304 305 for (i = ib->length_dw; i < ib_size_dw; ++i) 306 ib->ptr[i] = 0x0; 307 308 if (direct) { 309 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); 310 job->fence = dma_fence_get(f); 311 if (r) 312 goto err; 313 314 amdgpu_job_free(job); 315 } else { 316 r = amdgpu_job_submit(job, ring, &ring->adev->vce.entity, 317 AMDGPU_FENCE_OWNER_UNDEFINED, &f); 318 if (r) 319 goto err; 320 } 321 322 if (fence) 323 *fence = dma_fence_get(f); 324 dma_fence_put(f); 325 return 0; 326 327 err: 328 amdgpu_job_free(job); 329 return r; 330 } 331 332 /** 333 * uvd_v7_0_enc_ring_test_ib - test if UVD ENC IBs are working 334 * 335 * @ring: the engine to test on 336 * 337 */ 338 static int uvd_v7_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout) 339 { 340 struct dma_fence *fence = NULL; 341 long r; 342 343 r = uvd_v7_0_enc_get_create_msg(ring, 1, NULL); 344 if (r) { 345 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r); 346 goto error; 347 } 348 349 r = uvd_v7_0_enc_get_destroy_msg(ring, 1, true, &fence); 350 if (r) { 351 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); 352 goto error; 353 } 354 355 r = dma_fence_wait_timeout(fence, false, timeout); 356 if (r == 0) { 357 DRM_ERROR("amdgpu: IB test timed out.\n"); 358 r = -ETIMEDOUT; 359 } else if (r < 0) { 360 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 361 } else { 362 DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx); 363 r = 0; 364 } 365 error: 366 dma_fence_put(fence); 367 return r; 368 } 369 370 static int uvd_v7_0_early_init(void *handle) 371 { 372 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 373 374 if (amdgpu_sriov_vf(adev)) 375 adev->uvd.num_enc_rings = 1; 376 else 377 adev->uvd.num_enc_rings = 2; 378 uvd_v7_0_set_ring_funcs(adev); 379 uvd_v7_0_set_enc_ring_funcs(adev); 380 uvd_v7_0_set_irq_funcs(adev); 381 382 return 0; 383 } 384 385 static int uvd_v7_0_sw_init(void *handle) 386 { 387 struct amdgpu_ring *ring; 388 struct drm_sched_rq *rq; 389 int i, r; 390 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 391 392 /* UVD TRAP */ 393 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UVD, 124, &adev->uvd.irq); 394 if (r) 395 return r; 396 397 /* UVD ENC TRAP */ 398 for (i = 0; i < adev->uvd.num_enc_rings; ++i) { 399 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UVD, i + 119, &adev->uvd.irq); 400 if (r) 401 return r; 402 } 403 404 r = amdgpu_uvd_sw_init(adev); 405 if (r) 406 return r; 407 408 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 409 const struct common_firmware_header *hdr; 410 hdr = (const struct common_firmware_header *)adev->uvd.fw->data; 411 adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].ucode_id = AMDGPU_UCODE_ID_UVD; 412 adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].fw = adev->uvd.fw; 413 adev->firmware.fw_size += 414 ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE); 415 DRM_INFO("PSP loading UVD firmware\n"); 416 } 417 418 ring = &adev->uvd.ring_enc[0]; 419 rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL]; 420 r = drm_sched_entity_init(&ring->sched, &adev->uvd.entity_enc, 421 rq, amdgpu_sched_jobs, NULL); 422 if (r) { 423 DRM_ERROR("Failed setting up UVD ENC run queue.\n"); 424 return r; 425 } 426 427 r = amdgpu_uvd_resume(adev); 428 if (r) 429 return r; 430 if (!amdgpu_sriov_vf(adev)) { 431 ring = &adev->uvd.ring; 432 sprintf(ring->name, "uvd"); 433 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0); 434 if (r) 435 return r; 436 } 437 438 for (i = 0; i < adev->uvd.num_enc_rings; ++i) { 439 ring = &adev->uvd.ring_enc[i]; 440 sprintf(ring->name, "uvd_enc%d", i); 441 if (amdgpu_sriov_vf(adev)) { 442 ring->use_doorbell = true; 443 444 /* currently only use the first enconding ring for 445 * sriov, so set unused location for other unused rings. 446 */ 447 if (i == 0) 448 ring->doorbell_index = AMDGPU_DOORBELL64_UVD_RING0_1 * 2; 449 else 450 ring->doorbell_index = AMDGPU_DOORBELL64_UVD_RING2_3 * 2 + 1; 451 } 452 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0); 453 if (r) 454 return r; 455 } 456 457 r = amdgpu_virt_alloc_mm_table(adev); 458 if (r) 459 return r; 460 461 return r; 462 } 463 464 static int uvd_v7_0_sw_fini(void *handle) 465 { 466 int i, r; 467 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 468 469 amdgpu_virt_free_mm_table(adev); 470 471 r = amdgpu_uvd_suspend(adev); 472 if (r) 473 return r; 474 475 drm_sched_entity_fini(&adev->uvd.ring_enc[0].sched, &adev->uvd.entity_enc); 476 477 for (i = 0; i < adev->uvd.num_enc_rings; ++i) 478 amdgpu_ring_fini(&adev->uvd.ring_enc[i]); 479 480 return amdgpu_uvd_sw_fini(adev); 481 } 482 483 /** 484 * uvd_v7_0_hw_init - start and test UVD block 485 * 486 * @adev: amdgpu_device pointer 487 * 488 * Initialize the hardware, boot up the VCPU and do some testing 489 */ 490 static int uvd_v7_0_hw_init(void *handle) 491 { 492 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 493 struct amdgpu_ring *ring = &adev->uvd.ring; 494 uint32_t tmp; 495 int i, r; 496 497 if (amdgpu_sriov_vf(adev)) 498 r = uvd_v7_0_sriov_start(adev); 499 else 500 r = uvd_v7_0_start(adev); 501 if (r) 502 goto done; 503 504 if (!amdgpu_sriov_vf(adev)) { 505 ring->ready = true; 506 r = amdgpu_ring_test_ring(ring); 507 if (r) { 508 ring->ready = false; 509 goto done; 510 } 511 512 r = amdgpu_ring_alloc(ring, 10); 513 if (r) { 514 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 515 goto done; 516 } 517 518 tmp = PACKET0(SOC15_REG_OFFSET(UVD, 0, 519 mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL), 0); 520 amdgpu_ring_write(ring, tmp); 521 amdgpu_ring_write(ring, 0xFFFFF); 522 523 tmp = PACKET0(SOC15_REG_OFFSET(UVD, 0, 524 mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL), 0); 525 amdgpu_ring_write(ring, tmp); 526 amdgpu_ring_write(ring, 0xFFFFF); 527 528 tmp = PACKET0(SOC15_REG_OFFSET(UVD, 0, 529 mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL), 0); 530 amdgpu_ring_write(ring, tmp); 531 amdgpu_ring_write(ring, 0xFFFFF); 532 533 /* Clear timeout status bits */ 534 amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, 535 mmUVD_SEMA_TIMEOUT_STATUS), 0)); 536 amdgpu_ring_write(ring, 0x8); 537 538 amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, 539 mmUVD_SEMA_CNTL), 0)); 540 amdgpu_ring_write(ring, 3); 541 542 amdgpu_ring_commit(ring); 543 } 544 545 for (i = 0; i < adev->uvd.num_enc_rings; ++i) { 546 ring = &adev->uvd.ring_enc[i]; 547 ring->ready = true; 548 r = amdgpu_ring_test_ring(ring); 549 if (r) { 550 ring->ready = false; 551 goto done; 552 } 553 } 554 555 done: 556 if (!r) 557 DRM_INFO("UVD and UVD ENC initialized successfully.\n"); 558 559 return r; 560 } 561 562 /** 563 * uvd_v7_0_hw_fini - stop the hardware block 564 * 565 * @adev: amdgpu_device pointer 566 * 567 * Stop the UVD block, mark ring as not ready any more 568 */ 569 static int uvd_v7_0_hw_fini(void *handle) 570 { 571 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 572 struct amdgpu_ring *ring = &adev->uvd.ring; 573 574 if (!amdgpu_sriov_vf(adev)) 575 uvd_v7_0_stop(adev); 576 else { 577 /* full access mode, so don't touch any UVD register */ 578 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); 579 } 580 581 ring->ready = false; 582 583 return 0; 584 } 585 586 static int uvd_v7_0_suspend(void *handle) 587 { 588 int r; 589 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 590 591 r = uvd_v7_0_hw_fini(adev); 592 if (r) 593 return r; 594 595 return amdgpu_uvd_suspend(adev); 596 } 597 598 static int uvd_v7_0_resume(void *handle) 599 { 600 int r; 601 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 602 603 r = amdgpu_uvd_resume(adev); 604 if (r) 605 return r; 606 607 return uvd_v7_0_hw_init(adev); 608 } 609 610 /** 611 * uvd_v7_0_mc_resume - memory controller programming 612 * 613 * @adev: amdgpu_device pointer 614 * 615 * Let the UVD memory controller know it's offsets 616 */ 617 static void uvd_v7_0_mc_resume(struct amdgpu_device *adev) 618 { 619 uint32_t size = AMDGPU_UVD_FIRMWARE_SIZE(adev); 620 uint32_t offset; 621 622 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 623 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 624 lower_32_bits(adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].mc_addr)); 625 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 626 upper_32_bits(adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].mc_addr)); 627 offset = 0; 628 } else { 629 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 630 lower_32_bits(adev->uvd.gpu_addr)); 631 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 632 upper_32_bits(adev->uvd.gpu_addr)); 633 offset = size; 634 } 635 636 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 637 AMDGPU_UVD_FIRMWARE_OFFSET >> 3); 638 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size); 639 640 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW, 641 lower_32_bits(adev->uvd.gpu_addr + offset)); 642 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH, 643 upper_32_bits(adev->uvd.gpu_addr + offset)); 644 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, (1 << 21)); 645 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_UVD_HEAP_SIZE); 646 647 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW, 648 lower_32_bits(adev->uvd.gpu_addr + offset + AMDGPU_UVD_HEAP_SIZE)); 649 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH, 650 upper_32_bits(adev->uvd.gpu_addr + offset + AMDGPU_UVD_HEAP_SIZE)); 651 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, (2 << 21)); 652 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, 653 AMDGPU_UVD_STACK_SIZE + (AMDGPU_UVD_SESSION_SIZE * 40)); 654 655 WREG32_SOC15(UVD, 0, mmUVD_UDEC_ADDR_CONFIG, 656 adev->gfx.config.gb_addr_config); 657 WREG32_SOC15(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG, 658 adev->gfx.config.gb_addr_config); 659 WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG, 660 adev->gfx.config.gb_addr_config); 661 662 WREG32_SOC15(UVD, 0, mmUVD_GP_SCRATCH4, adev->uvd.max_handles); 663 } 664 665 static int uvd_v7_0_mmsch_start(struct amdgpu_device *adev, 666 struct amdgpu_mm_table *table) 667 { 668 uint32_t data = 0, loop; 669 uint64_t addr = table->gpu_addr; 670 struct mmsch_v1_0_init_header *header = (struct mmsch_v1_0_init_header *)table->cpu_addr; 671 uint32_t size; 672 673 size = header->header_size + header->vce_table_size + header->uvd_table_size; 674 675 /* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of memory descriptor location */ 676 WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr)); 677 WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr)); 678 679 /* 2, update vmid of descriptor */ 680 data = RREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_VMID); 681 data &= ~VCE_MMSCH_VF_VMID__VF_CTX_VMID_MASK; 682 data |= (0 << VCE_MMSCH_VF_VMID__VF_CTX_VMID__SHIFT); /* use domain0 for MM scheduler */ 683 WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_VMID, data); 684 685 /* 3, notify mmsch about the size of this descriptor */ 686 WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_CTX_SIZE, size); 687 688 /* 4, set resp to zero */ 689 WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP, 0); 690 691 WDOORBELL32(adev->uvd.ring_enc[0].doorbell_index, 0); 692 adev->wb.wb[adev->uvd.ring_enc[0].wptr_offs] = 0; 693 adev->uvd.ring_enc[0].wptr = 0; 694 adev->uvd.ring_enc[0].wptr_old = 0; 695 696 /* 5, kick off the initialization and wait until VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero */ 697 WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_HOST, 0x10000001); 698 699 data = RREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP); 700 loop = 1000; 701 while ((data & 0x10000002) != 0x10000002) { 702 udelay(10); 703 data = RREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP); 704 loop--; 705 if (!loop) 706 break; 707 } 708 709 if (!loop) { 710 dev_err(adev->dev, "failed to init MMSCH, mmVCE_MMSCH_VF_MAILBOX_RESP = %x\n", data); 711 return -EBUSY; 712 } 713 714 return 0; 715 } 716 717 static int uvd_v7_0_sriov_start(struct amdgpu_device *adev) 718 { 719 struct amdgpu_ring *ring; 720 uint32_t offset, size, tmp; 721 uint32_t table_size = 0; 722 struct mmsch_v1_0_cmd_direct_write direct_wt = { {0} }; 723 struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} }; 724 struct mmsch_v1_0_cmd_direct_polling direct_poll = { {0} }; 725 struct mmsch_v1_0_cmd_end end = { {0} }; 726 uint32_t *init_table = adev->virt.mm_table.cpu_addr; 727 struct mmsch_v1_0_init_header *header = (struct mmsch_v1_0_init_header *)init_table; 728 729 direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE; 730 direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE; 731 direct_poll.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_POLLING; 732 end.cmd_header.command_type = MMSCH_COMMAND__END; 733 734 if (header->uvd_table_offset == 0 && header->uvd_table_size == 0) { 735 header->version = MMSCH_VERSION; 736 header->header_size = sizeof(struct mmsch_v1_0_init_header) >> 2; 737 738 if (header->vce_table_offset == 0 && header->vce_table_size == 0) 739 header->uvd_table_offset = header->header_size; 740 else 741 header->uvd_table_offset = header->vce_table_size + header->vce_table_offset; 742 743 init_table += header->uvd_table_offset; 744 745 ring = &adev->uvd.ring; 746 ring->wptr = 0; 747 size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4); 748 749 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 750 0xFFFFFFFF, 0x00000004); 751 /* mc resume*/ 752 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 753 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 754 lower_32_bits(adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].mc_addr)); 755 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 756 upper_32_bits(adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].mc_addr)); 757 offset = 0; 758 } else { 759 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 760 lower_32_bits(adev->uvd.gpu_addr)); 761 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 762 upper_32_bits(adev->uvd.gpu_addr)); 763 offset = size; 764 } 765 766 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 767 AMDGPU_UVD_FIRMWARE_OFFSET >> 3); 768 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size); 769 770 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 771 lower_32_bits(adev->uvd.gpu_addr + offset)); 772 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 773 upper_32_bits(adev->uvd.gpu_addr + offset)); 774 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), (1 << 21)); 775 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_UVD_HEAP_SIZE); 776 777 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW), 778 lower_32_bits(adev->uvd.gpu_addr + offset + AMDGPU_UVD_HEAP_SIZE)); 779 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH), 780 upper_32_bits(adev->uvd.gpu_addr + offset + AMDGPU_UVD_HEAP_SIZE)); 781 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), (2 << 21)); 782 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_SIZE2), 783 AMDGPU_UVD_STACK_SIZE + (AMDGPU_UVD_SESSION_SIZE * 40)); 784 785 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH4), adev->uvd.max_handles); 786 /* mc resume end*/ 787 788 /* disable clock gating */ 789 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_CGC_CTRL), 790 ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK, 0); 791 792 /* disable interupt */ 793 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 794 ~UVD_MASTINT_EN__VCPU_EN_MASK, 0); 795 796 /* stall UMC and register bus before resetting VCPU */ 797 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 798 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 799 UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 800 801 /* put LMI, VCPU, RBC etc... into reset */ 802 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 803 (uint32_t)(UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 804 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | 805 UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 806 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | 807 UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 808 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | 809 UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 810 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK)); 811 812 /* initialize UVD memory controller */ 813 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL), 814 (uint32_t)((0x40 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) | 815 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK | 816 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK | 817 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK | 818 UVD_LMI_CTRL__REQ_MODE_MASK | 819 0x00100000L)); 820 821 /* take all subblocks out of reset, except VCPU */ 822 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 823 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 824 825 /* enable VCPU clock */ 826 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 827 UVD_VCPU_CNTL__CLK_EN_MASK); 828 829 /* enable master interrupt */ 830 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 831 ~(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK), 832 (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK)); 833 834 /* clear the bit 4 of UVD_STATUS */ 835 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 836 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT), 0); 837 838 /* force RBC into idle state */ 839 size = order_base_2(ring->ring_size); 840 tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, size); 841 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 842 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), tmp); 843 844 ring = &adev->uvd.ring_enc[0]; 845 ring->wptr = 0; 846 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_BASE_LO), ring->gpu_addr); 847 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_BASE_HI), upper_32_bits(ring->gpu_addr)); 848 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_SIZE), ring->ring_size / 4); 849 850 /* boot up the VCPU */ 851 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0); 852 853 /* enable UMC */ 854 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 855 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0); 856 857 MMSCH_V1_0_INSERT_DIRECT_POLL(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0x02, 0x02); 858 859 /* add end packet */ 860 memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end)); 861 table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4; 862 header->uvd_table_size = table_size; 863 864 } 865 return uvd_v7_0_mmsch_start(adev, &adev->virt.mm_table); 866 } 867 868 /** 869 * uvd_v7_0_start - start UVD block 870 * 871 * @adev: amdgpu_device pointer 872 * 873 * Setup and start the UVD block 874 */ 875 static int uvd_v7_0_start(struct amdgpu_device *adev) 876 { 877 struct amdgpu_ring *ring = &adev->uvd.ring; 878 uint32_t rb_bufsz, tmp; 879 uint32_t lmi_swap_cntl; 880 uint32_t mp_swap_cntl; 881 int i, j, r; 882 883 /* disable DPG */ 884 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0, 885 ~UVD_POWER_STATUS__UVD_PG_MODE_MASK); 886 887 /* disable byte swapping */ 888 lmi_swap_cntl = 0; 889 mp_swap_cntl = 0; 890 891 uvd_v7_0_mc_resume(adev); 892 893 /* disable clock gating */ 894 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_CGC_CTRL), 0, 895 ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK); 896 897 /* disable interupt */ 898 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0, 899 ~UVD_MASTINT_EN__VCPU_EN_MASK); 900 901 /* stall UMC and register bus before resetting VCPU */ 902 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 903 UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 904 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 905 mdelay(1); 906 907 /* put LMI, VCPU, RBC etc... into reset */ 908 WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 909 UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 910 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | 911 UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 912 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | 913 UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 914 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | 915 UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 916 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 917 mdelay(5); 918 919 /* initialize UVD memory controller */ 920 WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, 921 (0x40 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) | 922 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK | 923 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK | 924 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK | 925 UVD_LMI_CTRL__REQ_MODE_MASK | 926 0x00100000L); 927 928 #ifdef __BIG_ENDIAN 929 /* swap (8 in 32) RB and IB */ 930 lmi_swap_cntl = 0xa; 931 mp_swap_cntl = 0; 932 #endif 933 WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 934 WREG32_SOC15(UVD, 0, mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 935 936 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0, 0x40c2040); 937 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA1, 0x0); 938 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0, 0x40c2040); 939 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB1, 0x0); 940 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_ALU, 0); 941 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX, 0x88); 942 943 /* take all subblocks out of reset, except VCPU */ 944 WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 945 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 946 mdelay(5); 947 948 /* enable VCPU clock */ 949 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, 950 UVD_VCPU_CNTL__CLK_EN_MASK); 951 952 /* enable UMC */ 953 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0, 954 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 955 956 /* boot up the VCPU */ 957 WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 0); 958 mdelay(10); 959 960 for (i = 0; i < 10; ++i) { 961 uint32_t status; 962 963 for (j = 0; j < 100; ++j) { 964 status = RREG32_SOC15(UVD, 0, mmUVD_STATUS); 965 if (status & 2) 966 break; 967 mdelay(10); 968 } 969 r = 0; 970 if (status & 2) 971 break; 972 973 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 974 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 975 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 976 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 977 mdelay(10); 978 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0, 979 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 980 mdelay(10); 981 r = -1; 982 } 983 984 if (r) { 985 DRM_ERROR("UVD not responding, giving up!!!\n"); 986 return r; 987 } 988 /* enable master interrupt */ 989 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 990 (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK), 991 ~(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK)); 992 993 /* clear the bit 4 of UVD_STATUS */ 994 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0, 995 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT)); 996 997 /* force RBC into idle state */ 998 rb_bufsz = order_base_2(ring->ring_size); 999 tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 1000 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 1001 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 1002 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 1003 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 1004 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 1005 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp); 1006 1007 /* set the write pointer delay */ 1008 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0); 1009 1010 /* set the wb address */ 1011 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR, 1012 (upper_32_bits(ring->gpu_addr) >> 2)); 1013 1014 /* programm the RB_BASE for ring buffer */ 1015 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 1016 lower_32_bits(ring->gpu_addr)); 1017 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 1018 upper_32_bits(ring->gpu_addr)); 1019 1020 /* Initialize the ring buffer's read and write pointers */ 1021 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0); 1022 1023 ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR); 1024 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, 1025 lower_32_bits(ring->wptr)); 1026 1027 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0, 1028 ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 1029 1030 ring = &adev->uvd.ring_enc[0]; 1031 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr)); 1032 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr)); 1033 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr); 1034 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); 1035 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4); 1036 1037 ring = &adev->uvd.ring_enc[1]; 1038 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr)); 1039 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr)); 1040 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr); 1041 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); 1042 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4); 1043 1044 return 0; 1045 } 1046 1047 /** 1048 * uvd_v7_0_stop - stop UVD block 1049 * 1050 * @adev: amdgpu_device pointer 1051 * 1052 * stop the UVD block 1053 */ 1054 static void uvd_v7_0_stop(struct amdgpu_device *adev) 1055 { 1056 /* force RBC into idle state */ 1057 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, 0x11010101); 1058 1059 /* Stall UMC and register bus before resetting VCPU */ 1060 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 1061 UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 1062 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 1063 mdelay(1); 1064 1065 /* put VCPU into reset */ 1066 WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 1067 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 1068 mdelay(5); 1069 1070 /* disable VCPU clock */ 1071 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, 0x0); 1072 1073 /* Unstall UMC and register bus */ 1074 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0, 1075 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 1076 } 1077 1078 /** 1079 * uvd_v7_0_ring_emit_fence - emit an fence & trap command 1080 * 1081 * @ring: amdgpu_ring pointer 1082 * @fence: fence to emit 1083 * 1084 * Write a fence and a trap command to the ring. 1085 */ 1086 static void uvd_v7_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 1087 unsigned flags) 1088 { 1089 struct amdgpu_device *adev = ring->adev; 1090 1091 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 1092 1093 amdgpu_ring_write(ring, 1094 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0)); 1095 amdgpu_ring_write(ring, seq); 1096 amdgpu_ring_write(ring, 1097 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 1098 amdgpu_ring_write(ring, addr & 0xffffffff); 1099 amdgpu_ring_write(ring, 1100 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0)); 1101 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 1102 amdgpu_ring_write(ring, 1103 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 1104 amdgpu_ring_write(ring, 0); 1105 1106 amdgpu_ring_write(ring, 1107 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 1108 amdgpu_ring_write(ring, 0); 1109 amdgpu_ring_write(ring, 1110 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0)); 1111 amdgpu_ring_write(ring, 0); 1112 amdgpu_ring_write(ring, 1113 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 1114 amdgpu_ring_write(ring, 2); 1115 } 1116 1117 /** 1118 * uvd_v7_0_enc_ring_emit_fence - emit an enc fence & trap command 1119 * 1120 * @ring: amdgpu_ring pointer 1121 * @fence: fence to emit 1122 * 1123 * Write enc a fence and a trap command to the ring. 1124 */ 1125 static void uvd_v7_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, 1126 u64 seq, unsigned flags) 1127 { 1128 1129 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 1130 1131 amdgpu_ring_write(ring, HEVC_ENC_CMD_FENCE); 1132 amdgpu_ring_write(ring, addr); 1133 amdgpu_ring_write(ring, upper_32_bits(addr)); 1134 amdgpu_ring_write(ring, seq); 1135 amdgpu_ring_write(ring, HEVC_ENC_CMD_TRAP); 1136 } 1137 1138 /** 1139 * uvd_v7_0_ring_test_ring - register write test 1140 * 1141 * @ring: amdgpu_ring pointer 1142 * 1143 * Test if we can successfully write to the context register 1144 */ 1145 static int uvd_v7_0_ring_test_ring(struct amdgpu_ring *ring) 1146 { 1147 struct amdgpu_device *adev = ring->adev; 1148 uint32_t tmp = 0; 1149 unsigned i; 1150 int r; 1151 1152 WREG32_SOC15(UVD, 0, mmUVD_CONTEXT_ID, 0xCAFEDEAD); 1153 r = amdgpu_ring_alloc(ring, 3); 1154 if (r) { 1155 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 1156 ring->idx, r); 1157 return r; 1158 } 1159 amdgpu_ring_write(ring, 1160 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0)); 1161 amdgpu_ring_write(ring, 0xDEADBEEF); 1162 amdgpu_ring_commit(ring); 1163 for (i = 0; i < adev->usec_timeout; i++) { 1164 tmp = RREG32_SOC15(UVD, 0, mmUVD_CONTEXT_ID); 1165 if (tmp == 0xDEADBEEF) 1166 break; 1167 DRM_UDELAY(1); 1168 } 1169 1170 if (i < adev->usec_timeout) { 1171 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", 1172 ring->idx, i); 1173 } else { 1174 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 1175 ring->idx, tmp); 1176 r = -EINVAL; 1177 } 1178 return r; 1179 } 1180 1181 /** 1182 * uvd_v7_0_ring_emit_ib - execute indirect buffer 1183 * 1184 * @ring: amdgpu_ring pointer 1185 * @ib: indirect buffer to execute 1186 * 1187 * Write ring commands to execute the indirect buffer 1188 */ 1189 static void uvd_v7_0_ring_emit_ib(struct amdgpu_ring *ring, 1190 struct amdgpu_ib *ib, 1191 unsigned vmid, bool ctx_switch) 1192 { 1193 struct amdgpu_device *adev = ring->adev; 1194 1195 amdgpu_ring_write(ring, 1196 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_VMID), 0)); 1197 amdgpu_ring_write(ring, vmid); 1198 1199 amdgpu_ring_write(ring, 1200 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_LOW), 0)); 1201 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 1202 amdgpu_ring_write(ring, 1203 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH), 0)); 1204 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 1205 amdgpu_ring_write(ring, 1206 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_IB_SIZE), 0)); 1207 amdgpu_ring_write(ring, ib->length_dw); 1208 } 1209 1210 /** 1211 * uvd_v7_0_enc_ring_emit_ib - enc execute indirect buffer 1212 * 1213 * @ring: amdgpu_ring pointer 1214 * @ib: indirect buffer to execute 1215 * 1216 * Write enc ring commands to execute the indirect buffer 1217 */ 1218 static void uvd_v7_0_enc_ring_emit_ib(struct amdgpu_ring *ring, 1219 struct amdgpu_ib *ib, unsigned int vmid, bool ctx_switch) 1220 { 1221 amdgpu_ring_write(ring, HEVC_ENC_CMD_IB_VM); 1222 amdgpu_ring_write(ring, vmid); 1223 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 1224 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 1225 amdgpu_ring_write(ring, ib->length_dw); 1226 } 1227 1228 static void uvd_v7_0_ring_emit_wreg(struct amdgpu_ring *ring, 1229 uint32_t reg, uint32_t val) 1230 { 1231 struct amdgpu_device *adev = ring->adev; 1232 1233 amdgpu_ring_write(ring, 1234 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 1235 amdgpu_ring_write(ring, reg << 2); 1236 amdgpu_ring_write(ring, 1237 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0)); 1238 amdgpu_ring_write(ring, val); 1239 amdgpu_ring_write(ring, 1240 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 1241 amdgpu_ring_write(ring, 8); 1242 } 1243 1244 static void uvd_v7_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1245 uint32_t val, uint32_t mask) 1246 { 1247 struct amdgpu_device *adev = ring->adev; 1248 1249 amdgpu_ring_write(ring, 1250 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 1251 amdgpu_ring_write(ring, reg << 2); 1252 amdgpu_ring_write(ring, 1253 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0)); 1254 amdgpu_ring_write(ring, val); 1255 amdgpu_ring_write(ring, 1256 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH8), 0)); 1257 amdgpu_ring_write(ring, mask); 1258 amdgpu_ring_write(ring, 1259 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 1260 amdgpu_ring_write(ring, 12); 1261 } 1262 1263 static void uvd_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 1264 unsigned vmid, uint64_t pd_addr) 1265 { 1266 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; 1267 uint32_t data0, data1, mask; 1268 1269 pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1270 1271 /* wait for reg writes */ 1272 data0 = hub->ctx0_ptb_addr_lo32 + vmid * 2; 1273 data1 = lower_32_bits(pd_addr); 1274 mask = 0xffffffff; 1275 uvd_v7_0_ring_emit_reg_wait(ring, data0, data1, mask); 1276 } 1277 1278 static void uvd_v7_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 1279 { 1280 int i; 1281 struct amdgpu_device *adev = ring->adev; 1282 1283 for (i = 0; i < count; i++) 1284 amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0)); 1285 1286 } 1287 1288 static void uvd_v7_0_enc_ring_insert_end(struct amdgpu_ring *ring) 1289 { 1290 amdgpu_ring_write(ring, HEVC_ENC_CMD_END); 1291 } 1292 1293 static void uvd_v7_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, 1294 uint32_t reg, uint32_t val, 1295 uint32_t mask) 1296 { 1297 amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WAIT); 1298 amdgpu_ring_write(ring, reg << 2); 1299 amdgpu_ring_write(ring, mask); 1300 amdgpu_ring_write(ring, val); 1301 } 1302 1303 static void uvd_v7_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring, 1304 unsigned int vmid, uint64_t pd_addr) 1305 { 1306 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; 1307 1308 pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1309 1310 /* wait for reg writes */ 1311 uvd_v7_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 + vmid * 2, 1312 lower_32_bits(pd_addr), 0xffffffff); 1313 } 1314 1315 static void uvd_v7_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, 1316 uint32_t reg, uint32_t val) 1317 { 1318 amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WRITE); 1319 amdgpu_ring_write(ring, reg << 2); 1320 amdgpu_ring_write(ring, val); 1321 } 1322 1323 #if 0 1324 static bool uvd_v7_0_is_idle(void *handle) 1325 { 1326 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1327 1328 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 1329 } 1330 1331 static int uvd_v7_0_wait_for_idle(void *handle) 1332 { 1333 unsigned i; 1334 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1335 1336 for (i = 0; i < adev->usec_timeout; i++) { 1337 if (uvd_v7_0_is_idle(handle)) 1338 return 0; 1339 } 1340 return -ETIMEDOUT; 1341 } 1342 1343 #define AMDGPU_UVD_STATUS_BUSY_MASK 0xfd 1344 static bool uvd_v7_0_check_soft_reset(void *handle) 1345 { 1346 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1347 u32 srbm_soft_reset = 0; 1348 u32 tmp = RREG32(mmSRBM_STATUS); 1349 1350 if (REG_GET_FIELD(tmp, SRBM_STATUS, UVD_RQ_PENDING) || 1351 REG_GET_FIELD(tmp, SRBM_STATUS, UVD_BUSY) || 1352 (RREG32_SOC15(UVD, 0, mmUVD_STATUS) & 1353 AMDGPU_UVD_STATUS_BUSY_MASK)) 1354 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, 1355 SRBM_SOFT_RESET, SOFT_RESET_UVD, 1); 1356 1357 if (srbm_soft_reset) { 1358 adev->uvd.srbm_soft_reset = srbm_soft_reset; 1359 return true; 1360 } else { 1361 adev->uvd.srbm_soft_reset = 0; 1362 return false; 1363 } 1364 } 1365 1366 static int uvd_v7_0_pre_soft_reset(void *handle) 1367 { 1368 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1369 1370 if (!adev->uvd.srbm_soft_reset) 1371 return 0; 1372 1373 uvd_v7_0_stop(adev); 1374 return 0; 1375 } 1376 1377 static int uvd_v7_0_soft_reset(void *handle) 1378 { 1379 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1380 u32 srbm_soft_reset; 1381 1382 if (!adev->uvd.srbm_soft_reset) 1383 return 0; 1384 srbm_soft_reset = adev->uvd.srbm_soft_reset; 1385 1386 if (srbm_soft_reset) { 1387 u32 tmp; 1388 1389 tmp = RREG32(mmSRBM_SOFT_RESET); 1390 tmp |= srbm_soft_reset; 1391 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1392 WREG32(mmSRBM_SOFT_RESET, tmp); 1393 tmp = RREG32(mmSRBM_SOFT_RESET); 1394 1395 udelay(50); 1396 1397 tmp &= ~srbm_soft_reset; 1398 WREG32(mmSRBM_SOFT_RESET, tmp); 1399 tmp = RREG32(mmSRBM_SOFT_RESET); 1400 1401 /* Wait a little for things to settle down */ 1402 udelay(50); 1403 } 1404 1405 return 0; 1406 } 1407 1408 static int uvd_v7_0_post_soft_reset(void *handle) 1409 { 1410 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1411 1412 if (!adev->uvd.srbm_soft_reset) 1413 return 0; 1414 1415 mdelay(5); 1416 1417 return uvd_v7_0_start(adev); 1418 } 1419 #endif 1420 1421 static int uvd_v7_0_set_interrupt_state(struct amdgpu_device *adev, 1422 struct amdgpu_irq_src *source, 1423 unsigned type, 1424 enum amdgpu_interrupt_state state) 1425 { 1426 // TODO 1427 return 0; 1428 } 1429 1430 static int uvd_v7_0_process_interrupt(struct amdgpu_device *adev, 1431 struct amdgpu_irq_src *source, 1432 struct amdgpu_iv_entry *entry) 1433 { 1434 DRM_DEBUG("IH: UVD TRAP\n"); 1435 switch (entry->src_id) { 1436 case 124: 1437 amdgpu_fence_process(&adev->uvd.ring); 1438 break; 1439 case 119: 1440 amdgpu_fence_process(&adev->uvd.ring_enc[0]); 1441 break; 1442 case 120: 1443 if (!amdgpu_sriov_vf(adev)) 1444 amdgpu_fence_process(&adev->uvd.ring_enc[1]); 1445 break; 1446 default: 1447 DRM_ERROR("Unhandled interrupt: %d %d\n", 1448 entry->src_id, entry->src_data[0]); 1449 break; 1450 } 1451 1452 return 0; 1453 } 1454 1455 #if 0 1456 static void uvd_v7_0_set_sw_clock_gating(struct amdgpu_device *adev) 1457 { 1458 uint32_t data, data1, data2, suvd_flags; 1459 1460 data = RREG32_SOC15(UVD, 0, mmUVD_CGC_CTRL); 1461 data1 = RREG32_SOC15(UVD, 0, mmUVD_SUVD_CGC_GATE); 1462 data2 = RREG32_SOC15(UVD, 0, mmUVD_SUVD_CGC_CTRL); 1463 1464 data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | 1465 UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); 1466 1467 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 1468 UVD_SUVD_CGC_GATE__SIT_MASK | 1469 UVD_SUVD_CGC_GATE__SMP_MASK | 1470 UVD_SUVD_CGC_GATE__SCM_MASK | 1471 UVD_SUVD_CGC_GATE__SDB_MASK; 1472 1473 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | 1474 (1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER)) | 1475 (4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY)); 1476 1477 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 1478 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 1479 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 1480 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 1481 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 1482 UVD_CGC_CTRL__SYS_MODE_MASK | 1483 UVD_CGC_CTRL__UDEC_MODE_MASK | 1484 UVD_CGC_CTRL__MPEG2_MODE_MASK | 1485 UVD_CGC_CTRL__REGS_MODE_MASK | 1486 UVD_CGC_CTRL__RBC_MODE_MASK | 1487 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 1488 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 1489 UVD_CGC_CTRL__IDCT_MODE_MASK | 1490 UVD_CGC_CTRL__MPRD_MODE_MASK | 1491 UVD_CGC_CTRL__MPC_MODE_MASK | 1492 UVD_CGC_CTRL__LBSI_MODE_MASK | 1493 UVD_CGC_CTRL__LRBBM_MODE_MASK | 1494 UVD_CGC_CTRL__WCB_MODE_MASK | 1495 UVD_CGC_CTRL__VCPU_MODE_MASK | 1496 UVD_CGC_CTRL__JPEG_MODE_MASK | 1497 UVD_CGC_CTRL__JPEG2_MODE_MASK | 1498 UVD_CGC_CTRL__SCPU_MODE_MASK); 1499 data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK | 1500 UVD_SUVD_CGC_CTRL__SIT_MODE_MASK | 1501 UVD_SUVD_CGC_CTRL__SMP_MODE_MASK | 1502 UVD_SUVD_CGC_CTRL__SCM_MODE_MASK | 1503 UVD_SUVD_CGC_CTRL__SDB_MODE_MASK); 1504 data1 |= suvd_flags; 1505 1506 WREG32_SOC15(UVD, 0, mmUVD_CGC_CTRL, data); 1507 WREG32_SOC15(UVD, 0, mmUVD_CGC_GATE, 0); 1508 WREG32_SOC15(UVD, 0, mmUVD_SUVD_CGC_GATE, data1); 1509 WREG32_SOC15(UVD, 0, mmUVD_SUVD_CGC_CTRL, data2); 1510 } 1511 1512 static void uvd_v7_0_set_hw_clock_gating(struct amdgpu_device *adev) 1513 { 1514 uint32_t data, data1, cgc_flags, suvd_flags; 1515 1516 data = RREG32_SOC15(UVD, 0, mmUVD_CGC_GATE); 1517 data1 = RREG32_SOC15(UVD, 0, mmUVD_SUVD_CGC_GATE); 1518 1519 cgc_flags = UVD_CGC_GATE__SYS_MASK | 1520 UVD_CGC_GATE__UDEC_MASK | 1521 UVD_CGC_GATE__MPEG2_MASK | 1522 UVD_CGC_GATE__RBC_MASK | 1523 UVD_CGC_GATE__LMI_MC_MASK | 1524 UVD_CGC_GATE__IDCT_MASK | 1525 UVD_CGC_GATE__MPRD_MASK | 1526 UVD_CGC_GATE__MPC_MASK | 1527 UVD_CGC_GATE__LBSI_MASK | 1528 UVD_CGC_GATE__LRBBM_MASK | 1529 UVD_CGC_GATE__UDEC_RE_MASK | 1530 UVD_CGC_GATE__UDEC_CM_MASK | 1531 UVD_CGC_GATE__UDEC_IT_MASK | 1532 UVD_CGC_GATE__UDEC_DB_MASK | 1533 UVD_CGC_GATE__UDEC_MP_MASK | 1534 UVD_CGC_GATE__WCB_MASK | 1535 UVD_CGC_GATE__VCPU_MASK | 1536 UVD_CGC_GATE__SCPU_MASK | 1537 UVD_CGC_GATE__JPEG_MASK | 1538 UVD_CGC_GATE__JPEG2_MASK; 1539 1540 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 1541 UVD_SUVD_CGC_GATE__SIT_MASK | 1542 UVD_SUVD_CGC_GATE__SMP_MASK | 1543 UVD_SUVD_CGC_GATE__SCM_MASK | 1544 UVD_SUVD_CGC_GATE__SDB_MASK; 1545 1546 data |= cgc_flags; 1547 data1 |= suvd_flags; 1548 1549 WREG32_SOC15(UVD, 0, mmUVD_CGC_GATE, data); 1550 WREG32_SOC15(UVD, 0, mmUVD_SUVD_CGC_GATE, data1); 1551 } 1552 1553 static void uvd_v7_0_set_bypass_mode(struct amdgpu_device *adev, bool enable) 1554 { 1555 u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL); 1556 1557 if (enable) 1558 tmp |= (GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK | 1559 GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK); 1560 else 1561 tmp &= ~(GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK | 1562 GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK); 1563 1564 WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp); 1565 } 1566 1567 1568 static int uvd_v7_0_set_clockgating_state(void *handle, 1569 enum amd_clockgating_state state) 1570 { 1571 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1572 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 1573 1574 uvd_v7_0_set_bypass_mode(adev, enable); 1575 1576 if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) 1577 return 0; 1578 1579 if (enable) { 1580 /* disable HW gating and enable Sw gating */ 1581 uvd_v7_0_set_sw_clock_gating(adev); 1582 } else { 1583 /* wait for STATUS to clear */ 1584 if (uvd_v7_0_wait_for_idle(handle)) 1585 return -EBUSY; 1586 1587 /* enable HW gates because UVD is idle */ 1588 /* uvd_v7_0_set_hw_clock_gating(adev); */ 1589 } 1590 1591 return 0; 1592 } 1593 1594 static int uvd_v7_0_set_powergating_state(void *handle, 1595 enum amd_powergating_state state) 1596 { 1597 /* This doesn't actually powergate the UVD block. 1598 * That's done in the dpm code via the SMC. This 1599 * just re-inits the block as necessary. The actual 1600 * gating still happens in the dpm code. We should 1601 * revisit this when there is a cleaner line between 1602 * the smc and the hw blocks 1603 */ 1604 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1605 1606 if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD)) 1607 return 0; 1608 1609 WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, UVD_POWER_STATUS__UVD_PG_EN_MASK); 1610 1611 if (state == AMD_PG_STATE_GATE) { 1612 uvd_v7_0_stop(adev); 1613 return 0; 1614 } else { 1615 return uvd_v7_0_start(adev); 1616 } 1617 } 1618 #endif 1619 1620 static int uvd_v7_0_set_clockgating_state(void *handle, 1621 enum amd_clockgating_state state) 1622 { 1623 /* needed for driver unload*/ 1624 return 0; 1625 } 1626 1627 const struct amd_ip_funcs uvd_v7_0_ip_funcs = { 1628 .name = "uvd_v7_0", 1629 .early_init = uvd_v7_0_early_init, 1630 .late_init = NULL, 1631 .sw_init = uvd_v7_0_sw_init, 1632 .sw_fini = uvd_v7_0_sw_fini, 1633 .hw_init = uvd_v7_0_hw_init, 1634 .hw_fini = uvd_v7_0_hw_fini, 1635 .suspend = uvd_v7_0_suspend, 1636 .resume = uvd_v7_0_resume, 1637 .is_idle = NULL /* uvd_v7_0_is_idle */, 1638 .wait_for_idle = NULL /* uvd_v7_0_wait_for_idle */, 1639 .check_soft_reset = NULL /* uvd_v7_0_check_soft_reset */, 1640 .pre_soft_reset = NULL /* uvd_v7_0_pre_soft_reset */, 1641 .soft_reset = NULL /* uvd_v7_0_soft_reset */, 1642 .post_soft_reset = NULL /* uvd_v7_0_post_soft_reset */, 1643 .set_clockgating_state = uvd_v7_0_set_clockgating_state, 1644 .set_powergating_state = NULL /* uvd_v7_0_set_powergating_state */, 1645 }; 1646 1647 static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = { 1648 .type = AMDGPU_RING_TYPE_UVD, 1649 .align_mask = 0xf, 1650 .nop = PACKET0(0x81ff, 0), 1651 .support_64bit_ptrs = false, 1652 .vmhub = AMDGPU_MMHUB, 1653 .get_rptr = uvd_v7_0_ring_get_rptr, 1654 .get_wptr = uvd_v7_0_ring_get_wptr, 1655 .set_wptr = uvd_v7_0_ring_set_wptr, 1656 .emit_frame_size = 1657 6 + 6 + /* hdp flush / invalidate */ 1658 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + 1659 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 + 1660 8 + /* uvd_v7_0_ring_emit_vm_flush */ 1661 14 + 14, /* uvd_v7_0_ring_emit_fence x2 vm fence */ 1662 .emit_ib_size = 8, /* uvd_v7_0_ring_emit_ib */ 1663 .emit_ib = uvd_v7_0_ring_emit_ib, 1664 .emit_fence = uvd_v7_0_ring_emit_fence, 1665 .emit_vm_flush = uvd_v7_0_ring_emit_vm_flush, 1666 .test_ring = uvd_v7_0_ring_test_ring, 1667 .test_ib = amdgpu_uvd_ring_test_ib, 1668 .insert_nop = uvd_v7_0_ring_insert_nop, 1669 .pad_ib = amdgpu_ring_generic_pad_ib, 1670 .begin_use = amdgpu_uvd_ring_begin_use, 1671 .end_use = amdgpu_uvd_ring_end_use, 1672 .emit_wreg = uvd_v7_0_ring_emit_wreg, 1673 .emit_reg_wait = uvd_v7_0_ring_emit_reg_wait, 1674 }; 1675 1676 static const struct amdgpu_ring_funcs uvd_v7_0_enc_ring_vm_funcs = { 1677 .type = AMDGPU_RING_TYPE_UVD_ENC, 1678 .align_mask = 0x3f, 1679 .nop = HEVC_ENC_CMD_NO_OP, 1680 .support_64bit_ptrs = false, 1681 .vmhub = AMDGPU_MMHUB, 1682 .get_rptr = uvd_v7_0_enc_ring_get_rptr, 1683 .get_wptr = uvd_v7_0_enc_ring_get_wptr, 1684 .set_wptr = uvd_v7_0_enc_ring_set_wptr, 1685 .emit_frame_size = 1686 3 + 3 + /* hdp flush / invalidate */ 1687 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1688 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 + 1689 4 + /* uvd_v7_0_enc_ring_emit_vm_flush */ 1690 5 + 5 + /* uvd_v7_0_enc_ring_emit_fence x2 vm fence */ 1691 1, /* uvd_v7_0_enc_ring_insert_end */ 1692 .emit_ib_size = 5, /* uvd_v7_0_enc_ring_emit_ib */ 1693 .emit_ib = uvd_v7_0_enc_ring_emit_ib, 1694 .emit_fence = uvd_v7_0_enc_ring_emit_fence, 1695 .emit_vm_flush = uvd_v7_0_enc_ring_emit_vm_flush, 1696 .test_ring = uvd_v7_0_enc_ring_test_ring, 1697 .test_ib = uvd_v7_0_enc_ring_test_ib, 1698 .insert_nop = amdgpu_ring_insert_nop, 1699 .insert_end = uvd_v7_0_enc_ring_insert_end, 1700 .pad_ib = amdgpu_ring_generic_pad_ib, 1701 .begin_use = amdgpu_uvd_ring_begin_use, 1702 .end_use = amdgpu_uvd_ring_end_use, 1703 .emit_wreg = uvd_v7_0_enc_ring_emit_wreg, 1704 .emit_reg_wait = uvd_v7_0_enc_ring_emit_reg_wait, 1705 }; 1706 1707 static void uvd_v7_0_set_ring_funcs(struct amdgpu_device *adev) 1708 { 1709 adev->uvd.ring.funcs = &uvd_v7_0_ring_vm_funcs; 1710 DRM_INFO("UVD is enabled in VM mode\n"); 1711 } 1712 1713 static void uvd_v7_0_set_enc_ring_funcs(struct amdgpu_device *adev) 1714 { 1715 int i; 1716 1717 for (i = 0; i < adev->uvd.num_enc_rings; ++i) 1718 adev->uvd.ring_enc[i].funcs = &uvd_v7_0_enc_ring_vm_funcs; 1719 1720 DRM_INFO("UVD ENC is enabled in VM mode\n"); 1721 } 1722 1723 static const struct amdgpu_irq_src_funcs uvd_v7_0_irq_funcs = { 1724 .set = uvd_v7_0_set_interrupt_state, 1725 .process = uvd_v7_0_process_interrupt, 1726 }; 1727 1728 static void uvd_v7_0_set_irq_funcs(struct amdgpu_device *adev) 1729 { 1730 adev->uvd.irq.num_types = adev->uvd.num_enc_rings + 1; 1731 adev->uvd.irq.funcs = &uvd_v7_0_irq_funcs; 1732 } 1733 1734 const struct amdgpu_ip_block_version uvd_v7_0_ip_block = 1735 { 1736 .type = AMD_IP_BLOCK_TYPE_UVD, 1737 .major = 7, 1738 .minor = 0, 1739 .rev = 0, 1740 .funcs = &uvd_v7_0_ip_funcs, 1741 }; 1742