1 /* 2 * Copyright 2014 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 * Authors: Christian König <christian.koenig@amd.com> 23 */ 24 25 #include <linux/firmware.h> 26 #include <drm/drmP.h> 27 #include "amdgpu.h" 28 #include "amdgpu_uvd.h" 29 #include "vid.h" 30 #include "uvd/uvd_5_0_d.h" 31 #include "uvd/uvd_5_0_sh_mask.h" 32 #include "oss/oss_2_0_d.h" 33 #include "oss/oss_2_0_sh_mask.h" 34 35 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev); 36 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev); 37 static int uvd_v5_0_start(struct amdgpu_device *adev); 38 static void uvd_v5_0_stop(struct amdgpu_device *adev); 39 40 /** 41 * uvd_v5_0_ring_get_rptr - get read pointer 42 * 43 * @ring: amdgpu_ring pointer 44 * 45 * Returns the current hardware read pointer 46 */ 47 static uint32_t uvd_v5_0_ring_get_rptr(struct amdgpu_ring *ring) 48 { 49 struct amdgpu_device *adev = ring->adev; 50 51 return RREG32(mmUVD_RBC_RB_RPTR); 52 } 53 54 /** 55 * uvd_v5_0_ring_get_wptr - get write pointer 56 * 57 * @ring: amdgpu_ring pointer 58 * 59 * Returns the current hardware write pointer 60 */ 61 static uint32_t uvd_v5_0_ring_get_wptr(struct amdgpu_ring *ring) 62 { 63 struct amdgpu_device *adev = ring->adev; 64 65 return RREG32(mmUVD_RBC_RB_WPTR); 66 } 67 68 /** 69 * uvd_v5_0_ring_set_wptr - set write pointer 70 * 71 * @ring: amdgpu_ring pointer 72 * 73 * Commits the write pointer to the hardware 74 */ 75 static void uvd_v5_0_ring_set_wptr(struct amdgpu_ring *ring) 76 { 77 struct amdgpu_device *adev = ring->adev; 78 79 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr); 80 } 81 82 static int uvd_v5_0_early_init(void *handle) 83 { 84 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 85 86 uvd_v5_0_set_ring_funcs(adev); 87 uvd_v5_0_set_irq_funcs(adev); 88 89 return 0; 90 } 91 92 static int uvd_v5_0_sw_init(void *handle) 93 { 94 struct amdgpu_ring *ring; 95 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 96 int r; 97 98 /* UVD TRAP */ 99 r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq); 100 if (r) 101 return r; 102 103 r = amdgpu_uvd_sw_init(adev); 104 if (r) 105 return r; 106 107 r = amdgpu_uvd_resume(adev); 108 if (r) 109 return r; 110 111 ring = &adev->uvd.ring; 112 sprintf(ring->name, "uvd"); 113 r = amdgpu_ring_init(adev, ring, 4096, CP_PACKET2, 0xf, 114 &adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD); 115 116 return r; 117 } 118 119 static int uvd_v5_0_sw_fini(void *handle) 120 { 121 int r; 122 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 123 124 r = amdgpu_uvd_suspend(adev); 125 if (r) 126 return r; 127 128 r = amdgpu_uvd_sw_fini(adev); 129 if (r) 130 return r; 131 132 return r; 133 } 134 135 /** 136 * uvd_v5_0_hw_init - start and test UVD block 137 * 138 * @adev: amdgpu_device pointer 139 * 140 * Initialize the hardware, boot up the VCPU and do some testing 141 */ 142 static int uvd_v5_0_hw_init(void *handle) 143 { 144 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 145 struct amdgpu_ring *ring = &adev->uvd.ring; 146 uint32_t tmp; 147 int r; 148 149 /* raise clocks while booting up the VCPU */ 150 amdgpu_asic_set_uvd_clocks(adev, 53300, 40000); 151 152 r = uvd_v5_0_start(adev); 153 if (r) 154 goto done; 155 156 ring->ready = true; 157 r = amdgpu_ring_test_ring(ring); 158 if (r) { 159 ring->ready = false; 160 goto done; 161 } 162 163 r = amdgpu_ring_lock(ring, 10); 164 if (r) { 165 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 166 goto done; 167 } 168 169 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); 170 amdgpu_ring_write(ring, tmp); 171 amdgpu_ring_write(ring, 0xFFFFF); 172 173 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); 174 amdgpu_ring_write(ring, tmp); 175 amdgpu_ring_write(ring, 0xFFFFF); 176 177 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); 178 amdgpu_ring_write(ring, tmp); 179 amdgpu_ring_write(ring, 0xFFFFF); 180 181 /* Clear timeout status bits */ 182 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); 183 amdgpu_ring_write(ring, 0x8); 184 185 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); 186 amdgpu_ring_write(ring, 3); 187 188 amdgpu_ring_unlock_commit(ring); 189 190 done: 191 /* lower clocks again */ 192 amdgpu_asic_set_uvd_clocks(adev, 0, 0); 193 194 if (!r) 195 DRM_INFO("UVD initialized successfully.\n"); 196 197 return r; 198 } 199 200 /** 201 * uvd_v5_0_hw_fini - stop the hardware block 202 * 203 * @adev: amdgpu_device pointer 204 * 205 * Stop the UVD block, mark ring as not ready any more 206 */ 207 static int uvd_v5_0_hw_fini(void *handle) 208 { 209 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 210 struct amdgpu_ring *ring = &adev->uvd.ring; 211 212 uvd_v5_0_stop(adev); 213 ring->ready = false; 214 215 return 0; 216 } 217 218 static int uvd_v5_0_suspend(void *handle) 219 { 220 int r; 221 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 222 223 r = uvd_v5_0_hw_fini(adev); 224 if (r) 225 return r; 226 227 r = amdgpu_uvd_suspend(adev); 228 if (r) 229 return r; 230 231 return r; 232 } 233 234 static int uvd_v5_0_resume(void *handle) 235 { 236 int r; 237 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 238 239 r = amdgpu_uvd_resume(adev); 240 if (r) 241 return r; 242 243 r = uvd_v5_0_hw_init(adev); 244 if (r) 245 return r; 246 247 return r; 248 } 249 250 /** 251 * uvd_v5_0_mc_resume - memory controller programming 252 * 253 * @adev: amdgpu_device pointer 254 * 255 * Let the UVD memory controller know it's offsets 256 */ 257 static void uvd_v5_0_mc_resume(struct amdgpu_device *adev) 258 { 259 uint64_t offset; 260 uint32_t size; 261 262 /* programm memory controller bits 0-27 */ 263 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 264 lower_32_bits(adev->uvd.gpu_addr)); 265 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 266 upper_32_bits(adev->uvd.gpu_addr)); 267 268 offset = AMDGPU_UVD_FIRMWARE_OFFSET; 269 size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4); 270 WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3); 271 WREG32(mmUVD_VCPU_CACHE_SIZE0, size); 272 273 offset += size; 274 size = AMDGPU_UVD_STACK_SIZE; 275 WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3); 276 WREG32(mmUVD_VCPU_CACHE_SIZE1, size); 277 278 offset += size; 279 size = AMDGPU_UVD_HEAP_SIZE; 280 WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3); 281 WREG32(mmUVD_VCPU_CACHE_SIZE2, size); 282 } 283 284 /** 285 * uvd_v5_0_start - start UVD block 286 * 287 * @adev: amdgpu_device pointer 288 * 289 * Setup and start the UVD block 290 */ 291 static int uvd_v5_0_start(struct amdgpu_device *adev) 292 { 293 struct amdgpu_ring *ring = &adev->uvd.ring; 294 uint32_t rb_bufsz, tmp; 295 uint32_t lmi_swap_cntl; 296 uint32_t mp_swap_cntl; 297 int i, j, r; 298 299 /*disable DPG */ 300 WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2)); 301 302 /* disable byte swapping */ 303 lmi_swap_cntl = 0; 304 mp_swap_cntl = 0; 305 306 uvd_v5_0_mc_resume(adev); 307 308 /* disable clock gating */ 309 WREG32(mmUVD_CGC_GATE, 0); 310 311 /* disable interupt */ 312 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); 313 314 /* stall UMC and register bus before resetting VCPU */ 315 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 316 mdelay(1); 317 318 /* put LMI, VCPU, RBC etc... into reset */ 319 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 320 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 321 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 322 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 323 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 324 mdelay(5); 325 326 /* take UVD block out of reset */ 327 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 328 mdelay(5); 329 330 /* initialize UVD memory controller */ 331 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | 332 (1 << 21) | (1 << 9) | (1 << 20)); 333 334 #ifdef __BIG_ENDIAN 335 /* swap (8 in 32) RB and IB */ 336 lmi_swap_cntl = 0xa; 337 mp_swap_cntl = 0; 338 #endif 339 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 340 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 341 342 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); 343 WREG32(mmUVD_MPC_SET_MUXA1, 0x0); 344 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); 345 WREG32(mmUVD_MPC_SET_MUXB1, 0x0); 346 WREG32(mmUVD_MPC_SET_ALU, 0); 347 WREG32(mmUVD_MPC_SET_MUX, 0x88); 348 349 /* take all subblocks out of reset, except VCPU */ 350 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 351 mdelay(5); 352 353 /* enable VCPU clock */ 354 WREG32(mmUVD_VCPU_CNTL, 1 << 9); 355 356 /* enable UMC */ 357 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 358 359 /* boot up the VCPU */ 360 WREG32(mmUVD_SOFT_RESET, 0); 361 mdelay(10); 362 363 for (i = 0; i < 10; ++i) { 364 uint32_t status; 365 for (j = 0; j < 100; ++j) { 366 status = RREG32(mmUVD_STATUS); 367 if (status & 2) 368 break; 369 mdelay(10); 370 } 371 r = 0; 372 if (status & 2) 373 break; 374 375 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 376 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 377 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 378 mdelay(10); 379 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 380 mdelay(10); 381 r = -1; 382 } 383 384 if (r) { 385 DRM_ERROR("UVD not responding, giving up!!!\n"); 386 return r; 387 } 388 /* enable master interrupt */ 389 WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1)); 390 391 /* clear the bit 4 of UVD_STATUS */ 392 WREG32_P(mmUVD_STATUS, 0, ~(2 << 1)); 393 394 rb_bufsz = order_base_2(ring->ring_size); 395 tmp = 0; 396 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 397 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 398 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 399 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 400 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 401 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 402 /* force RBC into idle state */ 403 WREG32(mmUVD_RBC_RB_CNTL, tmp); 404 405 /* set the write pointer delay */ 406 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); 407 408 /* set the wb address */ 409 WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2)); 410 411 /* programm the RB_BASE for ring buffer */ 412 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 413 lower_32_bits(ring->gpu_addr)); 414 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 415 upper_32_bits(ring->gpu_addr)); 416 417 /* Initialize the ring buffer's read and write pointers */ 418 WREG32(mmUVD_RBC_RB_RPTR, 0); 419 420 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); 421 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr); 422 423 WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 424 425 return 0; 426 } 427 428 /** 429 * uvd_v5_0_stop - stop UVD block 430 * 431 * @adev: amdgpu_device pointer 432 * 433 * stop the UVD block 434 */ 435 static void uvd_v5_0_stop(struct amdgpu_device *adev) 436 { 437 /* force RBC into idle state */ 438 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 439 440 /* Stall UMC and register bus before resetting VCPU */ 441 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 442 mdelay(1); 443 444 /* put VCPU into reset */ 445 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 446 mdelay(5); 447 448 /* disable VCPU clock */ 449 WREG32(mmUVD_VCPU_CNTL, 0x0); 450 451 /* Unstall UMC and register bus */ 452 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 453 } 454 455 /** 456 * uvd_v5_0_ring_emit_fence - emit an fence & trap command 457 * 458 * @ring: amdgpu_ring pointer 459 * @fence: fence to emit 460 * 461 * Write a fence and a trap command to the ring. 462 */ 463 static void uvd_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 464 unsigned flags) 465 { 466 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 467 468 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 469 amdgpu_ring_write(ring, seq); 470 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 471 amdgpu_ring_write(ring, addr & 0xffffffff); 472 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 473 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 474 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 475 amdgpu_ring_write(ring, 0); 476 477 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 478 amdgpu_ring_write(ring, 0); 479 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 480 amdgpu_ring_write(ring, 0); 481 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 482 amdgpu_ring_write(ring, 2); 483 } 484 485 /** 486 * uvd_v5_0_ring_emit_semaphore - emit semaphore command 487 * 488 * @ring: amdgpu_ring pointer 489 * @semaphore: semaphore to emit commands for 490 * @emit_wait: true if we should emit a wait command 491 * 492 * Emit a semaphore command (either wait or signal) to the UVD ring. 493 */ 494 static bool uvd_v5_0_ring_emit_semaphore(struct amdgpu_ring *ring, 495 struct amdgpu_semaphore *semaphore, 496 bool emit_wait) 497 { 498 uint64_t addr = semaphore->gpu_addr; 499 500 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_ADDR_LOW, 0)); 501 amdgpu_ring_write(ring, (addr >> 3) & 0x000FFFFF); 502 503 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_ADDR_HIGH, 0)); 504 amdgpu_ring_write(ring, (addr >> 23) & 0x000FFFFF); 505 506 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CMD, 0)); 507 amdgpu_ring_write(ring, 0x80 | (emit_wait ? 1 : 0)); 508 509 return true; 510 } 511 512 /** 513 * uvd_v5_0_ring_test_ring - register write test 514 * 515 * @ring: amdgpu_ring pointer 516 * 517 * Test if we can successfully write to the context register 518 */ 519 static int uvd_v5_0_ring_test_ring(struct amdgpu_ring *ring) 520 { 521 struct amdgpu_device *adev = ring->adev; 522 uint32_t tmp = 0; 523 unsigned i; 524 int r; 525 526 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); 527 r = amdgpu_ring_lock(ring, 3); 528 if (r) { 529 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 530 ring->idx, r); 531 return r; 532 } 533 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 534 amdgpu_ring_write(ring, 0xDEADBEEF); 535 amdgpu_ring_unlock_commit(ring); 536 for (i = 0; i < adev->usec_timeout; i++) { 537 tmp = RREG32(mmUVD_CONTEXT_ID); 538 if (tmp == 0xDEADBEEF) 539 break; 540 DRM_UDELAY(1); 541 } 542 543 if (i < adev->usec_timeout) { 544 DRM_INFO("ring test on %d succeeded in %d usecs\n", 545 ring->idx, i); 546 } else { 547 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 548 ring->idx, tmp); 549 r = -EINVAL; 550 } 551 return r; 552 } 553 554 /** 555 * uvd_v5_0_ring_emit_ib - execute indirect buffer 556 * 557 * @ring: amdgpu_ring pointer 558 * @ib: indirect buffer to execute 559 * 560 * Write ring commands to execute the indirect buffer 561 */ 562 static void uvd_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 563 struct amdgpu_ib *ib) 564 { 565 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0)); 566 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 567 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0)); 568 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 569 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); 570 amdgpu_ring_write(ring, ib->length_dw); 571 } 572 573 /** 574 * uvd_v5_0_ring_test_ib - test ib execution 575 * 576 * @ring: amdgpu_ring pointer 577 * 578 * Test if we can successfully execute an IB 579 */ 580 static int uvd_v5_0_ring_test_ib(struct amdgpu_ring *ring) 581 { 582 struct amdgpu_device *adev = ring->adev; 583 struct fence *fence = NULL; 584 int r; 585 586 r = amdgpu_asic_set_uvd_clocks(adev, 53300, 40000); 587 if (r) { 588 DRM_ERROR("amdgpu: failed to raise UVD clocks (%d).\n", r); 589 return r; 590 } 591 592 r = amdgpu_uvd_get_create_msg(ring, 1, NULL); 593 if (r) { 594 DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r); 595 goto error; 596 } 597 598 r = amdgpu_uvd_get_destroy_msg(ring, 1, &fence); 599 if (r) { 600 DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r); 601 goto error; 602 } 603 604 r = fence_wait(fence, false); 605 if (r) { 606 DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); 607 goto error; 608 } 609 DRM_INFO("ib test on ring %d succeeded\n", ring->idx); 610 error: 611 fence_put(fence); 612 amdgpu_asic_set_uvd_clocks(adev, 0, 0); 613 return r; 614 } 615 616 static bool uvd_v5_0_is_idle(void *handle) 617 { 618 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 619 620 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 621 } 622 623 static int uvd_v5_0_wait_for_idle(void *handle) 624 { 625 unsigned i; 626 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 627 628 for (i = 0; i < adev->usec_timeout; i++) { 629 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) 630 return 0; 631 } 632 return -ETIMEDOUT; 633 } 634 635 static int uvd_v5_0_soft_reset(void *handle) 636 { 637 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 638 639 uvd_v5_0_stop(adev); 640 641 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, 642 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 643 mdelay(5); 644 645 return uvd_v5_0_start(adev); 646 } 647 648 static void uvd_v5_0_print_status(void *handle) 649 { 650 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 651 dev_info(adev->dev, "UVD 5.0 registers\n"); 652 dev_info(adev->dev, " UVD_SEMA_ADDR_LOW=0x%08X\n", 653 RREG32(mmUVD_SEMA_ADDR_LOW)); 654 dev_info(adev->dev, " UVD_SEMA_ADDR_HIGH=0x%08X\n", 655 RREG32(mmUVD_SEMA_ADDR_HIGH)); 656 dev_info(adev->dev, " UVD_SEMA_CMD=0x%08X\n", 657 RREG32(mmUVD_SEMA_CMD)); 658 dev_info(adev->dev, " UVD_GPCOM_VCPU_CMD=0x%08X\n", 659 RREG32(mmUVD_GPCOM_VCPU_CMD)); 660 dev_info(adev->dev, " UVD_GPCOM_VCPU_DATA0=0x%08X\n", 661 RREG32(mmUVD_GPCOM_VCPU_DATA0)); 662 dev_info(adev->dev, " UVD_GPCOM_VCPU_DATA1=0x%08X\n", 663 RREG32(mmUVD_GPCOM_VCPU_DATA1)); 664 dev_info(adev->dev, " UVD_ENGINE_CNTL=0x%08X\n", 665 RREG32(mmUVD_ENGINE_CNTL)); 666 dev_info(adev->dev, " UVD_UDEC_ADDR_CONFIG=0x%08X\n", 667 RREG32(mmUVD_UDEC_ADDR_CONFIG)); 668 dev_info(adev->dev, " UVD_UDEC_DB_ADDR_CONFIG=0x%08X\n", 669 RREG32(mmUVD_UDEC_DB_ADDR_CONFIG)); 670 dev_info(adev->dev, " UVD_UDEC_DBW_ADDR_CONFIG=0x%08X\n", 671 RREG32(mmUVD_UDEC_DBW_ADDR_CONFIG)); 672 dev_info(adev->dev, " UVD_SEMA_CNTL=0x%08X\n", 673 RREG32(mmUVD_SEMA_CNTL)); 674 dev_info(adev->dev, " UVD_LMI_EXT40_ADDR=0x%08X\n", 675 RREG32(mmUVD_LMI_EXT40_ADDR)); 676 dev_info(adev->dev, " UVD_CTX_INDEX=0x%08X\n", 677 RREG32(mmUVD_CTX_INDEX)); 678 dev_info(adev->dev, " UVD_CTX_DATA=0x%08X\n", 679 RREG32(mmUVD_CTX_DATA)); 680 dev_info(adev->dev, " UVD_CGC_GATE=0x%08X\n", 681 RREG32(mmUVD_CGC_GATE)); 682 dev_info(adev->dev, " UVD_CGC_CTRL=0x%08X\n", 683 RREG32(mmUVD_CGC_CTRL)); 684 dev_info(adev->dev, " UVD_LMI_CTRL2=0x%08X\n", 685 RREG32(mmUVD_LMI_CTRL2)); 686 dev_info(adev->dev, " UVD_MASTINT_EN=0x%08X\n", 687 RREG32(mmUVD_MASTINT_EN)); 688 dev_info(adev->dev, " UVD_LMI_ADDR_EXT=0x%08X\n", 689 RREG32(mmUVD_LMI_ADDR_EXT)); 690 dev_info(adev->dev, " UVD_LMI_CTRL=0x%08X\n", 691 RREG32(mmUVD_LMI_CTRL)); 692 dev_info(adev->dev, " UVD_LMI_SWAP_CNTL=0x%08X\n", 693 RREG32(mmUVD_LMI_SWAP_CNTL)); 694 dev_info(adev->dev, " UVD_MP_SWAP_CNTL=0x%08X\n", 695 RREG32(mmUVD_MP_SWAP_CNTL)); 696 dev_info(adev->dev, " UVD_MPC_SET_MUXA0=0x%08X\n", 697 RREG32(mmUVD_MPC_SET_MUXA0)); 698 dev_info(adev->dev, " UVD_MPC_SET_MUXA1=0x%08X\n", 699 RREG32(mmUVD_MPC_SET_MUXA1)); 700 dev_info(adev->dev, " UVD_MPC_SET_MUXB0=0x%08X\n", 701 RREG32(mmUVD_MPC_SET_MUXB0)); 702 dev_info(adev->dev, " UVD_MPC_SET_MUXB1=0x%08X\n", 703 RREG32(mmUVD_MPC_SET_MUXB1)); 704 dev_info(adev->dev, " UVD_MPC_SET_MUX=0x%08X\n", 705 RREG32(mmUVD_MPC_SET_MUX)); 706 dev_info(adev->dev, " UVD_MPC_SET_ALU=0x%08X\n", 707 RREG32(mmUVD_MPC_SET_ALU)); 708 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET0=0x%08X\n", 709 RREG32(mmUVD_VCPU_CACHE_OFFSET0)); 710 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE0=0x%08X\n", 711 RREG32(mmUVD_VCPU_CACHE_SIZE0)); 712 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET1=0x%08X\n", 713 RREG32(mmUVD_VCPU_CACHE_OFFSET1)); 714 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE1=0x%08X\n", 715 RREG32(mmUVD_VCPU_CACHE_SIZE1)); 716 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET2=0x%08X\n", 717 RREG32(mmUVD_VCPU_CACHE_OFFSET2)); 718 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE2=0x%08X\n", 719 RREG32(mmUVD_VCPU_CACHE_SIZE2)); 720 dev_info(adev->dev, " UVD_VCPU_CNTL=0x%08X\n", 721 RREG32(mmUVD_VCPU_CNTL)); 722 dev_info(adev->dev, " UVD_SOFT_RESET=0x%08X\n", 723 RREG32(mmUVD_SOFT_RESET)); 724 dev_info(adev->dev, " UVD_LMI_RBC_IB_64BIT_BAR_LOW=0x%08X\n", 725 RREG32(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW)); 726 dev_info(adev->dev, " UVD_LMI_RBC_IB_64BIT_BAR_HIGH=0x%08X\n", 727 RREG32(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH)); 728 dev_info(adev->dev, " UVD_RBC_IB_SIZE=0x%08X\n", 729 RREG32(mmUVD_RBC_IB_SIZE)); 730 dev_info(adev->dev, " UVD_LMI_RBC_RB_64BIT_BAR_LOW=0x%08X\n", 731 RREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW)); 732 dev_info(adev->dev, " UVD_LMI_RBC_RB_64BIT_BAR_HIGH=0x%08X\n", 733 RREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH)); 734 dev_info(adev->dev, " UVD_RBC_RB_RPTR=0x%08X\n", 735 RREG32(mmUVD_RBC_RB_RPTR)); 736 dev_info(adev->dev, " UVD_RBC_RB_WPTR=0x%08X\n", 737 RREG32(mmUVD_RBC_RB_WPTR)); 738 dev_info(adev->dev, " UVD_RBC_RB_WPTR_CNTL=0x%08X\n", 739 RREG32(mmUVD_RBC_RB_WPTR_CNTL)); 740 dev_info(adev->dev, " UVD_RBC_RB_CNTL=0x%08X\n", 741 RREG32(mmUVD_RBC_RB_CNTL)); 742 dev_info(adev->dev, " UVD_STATUS=0x%08X\n", 743 RREG32(mmUVD_STATUS)); 744 dev_info(adev->dev, " UVD_SEMA_TIMEOUT_STATUS=0x%08X\n", 745 RREG32(mmUVD_SEMA_TIMEOUT_STATUS)); 746 dev_info(adev->dev, " UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n", 747 RREG32(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL)); 748 dev_info(adev->dev, " UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL=0x%08X\n", 749 RREG32(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL)); 750 dev_info(adev->dev, " UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n", 751 RREG32(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL)); 752 dev_info(adev->dev, " UVD_CONTEXT_ID=0x%08X\n", 753 RREG32(mmUVD_CONTEXT_ID)); 754 } 755 756 static int uvd_v5_0_set_interrupt_state(struct amdgpu_device *adev, 757 struct amdgpu_irq_src *source, 758 unsigned type, 759 enum amdgpu_interrupt_state state) 760 { 761 // TODO 762 return 0; 763 } 764 765 static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, 766 struct amdgpu_irq_src *source, 767 struct amdgpu_iv_entry *entry) 768 { 769 DRM_DEBUG("IH: UVD TRAP\n"); 770 amdgpu_fence_process(&adev->uvd.ring); 771 return 0; 772 } 773 774 static int uvd_v5_0_set_clockgating_state(void *handle, 775 enum amd_clockgating_state state) 776 { 777 return 0; 778 } 779 780 static int uvd_v5_0_set_powergating_state(void *handle, 781 enum amd_powergating_state state) 782 { 783 /* This doesn't actually powergate the UVD block. 784 * That's done in the dpm code via the SMC. This 785 * just re-inits the block as necessary. The actual 786 * gating still happens in the dpm code. We should 787 * revisit this when there is a cleaner line between 788 * the smc and the hw blocks 789 */ 790 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 791 792 if (state == AMD_PG_STATE_GATE) { 793 uvd_v5_0_stop(adev); 794 return 0; 795 } else { 796 return uvd_v5_0_start(adev); 797 } 798 } 799 800 const struct amd_ip_funcs uvd_v5_0_ip_funcs = { 801 .early_init = uvd_v5_0_early_init, 802 .late_init = NULL, 803 .sw_init = uvd_v5_0_sw_init, 804 .sw_fini = uvd_v5_0_sw_fini, 805 .hw_init = uvd_v5_0_hw_init, 806 .hw_fini = uvd_v5_0_hw_fini, 807 .suspend = uvd_v5_0_suspend, 808 .resume = uvd_v5_0_resume, 809 .is_idle = uvd_v5_0_is_idle, 810 .wait_for_idle = uvd_v5_0_wait_for_idle, 811 .soft_reset = uvd_v5_0_soft_reset, 812 .print_status = uvd_v5_0_print_status, 813 .set_clockgating_state = uvd_v5_0_set_clockgating_state, 814 .set_powergating_state = uvd_v5_0_set_powergating_state, 815 }; 816 817 static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { 818 .get_rptr = uvd_v5_0_ring_get_rptr, 819 .get_wptr = uvd_v5_0_ring_get_wptr, 820 .set_wptr = uvd_v5_0_ring_set_wptr, 821 .parse_cs = amdgpu_uvd_ring_parse_cs, 822 .emit_ib = uvd_v5_0_ring_emit_ib, 823 .emit_fence = uvd_v5_0_ring_emit_fence, 824 .emit_semaphore = uvd_v5_0_ring_emit_semaphore, 825 .test_ring = uvd_v5_0_ring_test_ring, 826 .test_ib = uvd_v5_0_ring_test_ib, 827 .is_lockup = amdgpu_ring_test_lockup, 828 }; 829 830 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev) 831 { 832 adev->uvd.ring.funcs = &uvd_v5_0_ring_funcs; 833 } 834 835 static const struct amdgpu_irq_src_funcs uvd_v5_0_irq_funcs = { 836 .set = uvd_v5_0_set_interrupt_state, 837 .process = uvd_v5_0_process_interrupt, 838 }; 839 840 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev) 841 { 842 adev->uvd.irq.num_types = 1; 843 adev->uvd.irq.funcs = &uvd_v5_0_irq_funcs; 844 } 845