1 /* 2 * Copyright 2022 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/delay.h> 25 #include <linux/firmware.h> 26 #include <linux/module.h> 27 #include <linux/pci.h> 28 29 #include "amdgpu.h" 30 #include "amdgpu_xcp.h" 31 #include "amdgpu_ucode.h" 32 #include "amdgpu_trace.h" 33 34 #include "sdma/sdma_4_4_2_offset.h" 35 #include "sdma/sdma_4_4_2_sh_mask.h" 36 37 #include "soc15_common.h" 38 #include "soc15.h" 39 #include "vega10_sdma_pkt_open.h" 40 41 #include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h" 42 #include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h" 43 44 #include "amdgpu_ras.h" 45 46 MODULE_FIRMWARE("amdgpu/sdma_4_4_2.bin"); 47 48 #define WREG32_SDMA(instance, offset, value) \ 49 WREG32(sdma_v4_4_2_get_reg_offset(adev, (instance), (offset)), value) 50 #define RREG32_SDMA(instance, offset) \ 51 RREG32(sdma_v4_4_2_get_reg_offset(adev, (instance), (offset))) 52 53 static void sdma_v4_4_2_set_ring_funcs(struct amdgpu_device *adev); 54 static void sdma_v4_4_2_set_buffer_funcs(struct amdgpu_device *adev); 55 static void sdma_v4_4_2_set_vm_pte_funcs(struct amdgpu_device *adev); 56 static void sdma_v4_4_2_set_irq_funcs(struct amdgpu_device *adev); 57 static void sdma_v4_4_2_set_ras_funcs(struct amdgpu_device *adev); 58 59 static u32 sdma_v4_4_2_get_reg_offset(struct amdgpu_device *adev, 60 u32 instance, u32 offset) 61 { 62 u32 dev_inst = GET_INST(SDMA0, instance); 63 64 return (adev->reg_offset[SDMA0_HWIP][dev_inst][0] + offset); 65 } 66 67 static unsigned sdma_v4_4_2_seq_to_irq_id(int seq_num) 68 { 69 switch (seq_num) { 70 case 0: 71 return SOC15_IH_CLIENTID_SDMA0; 72 case 1: 73 return SOC15_IH_CLIENTID_SDMA1; 74 case 2: 75 return SOC15_IH_CLIENTID_SDMA2; 76 case 3: 77 return SOC15_IH_CLIENTID_SDMA3; 78 default: 79 return -EINVAL; 80 } 81 } 82 83 static int sdma_v4_4_2_irq_id_to_seq(unsigned client_id) 84 { 85 switch (client_id) { 86 case SOC15_IH_CLIENTID_SDMA0: 87 return 0; 88 case SOC15_IH_CLIENTID_SDMA1: 89 return 1; 90 case SOC15_IH_CLIENTID_SDMA2: 91 return 2; 92 case SOC15_IH_CLIENTID_SDMA3: 93 return 3; 94 default: 95 return -EINVAL; 96 } 97 } 98 99 static void sdma_v4_4_2_inst_init_golden_registers(struct amdgpu_device *adev, 100 uint32_t inst_mask) 101 { 102 u32 val; 103 int i; 104 105 for (i = 0; i < adev->sdma.num_instances; i++) { 106 val = RREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG); 107 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG, NUM_BANKS, 4); 108 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG, 109 PIPE_INTERLEAVE_SIZE, 0); 110 WREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG, val); 111 112 val = RREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG_READ); 113 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG_READ, NUM_BANKS, 114 4); 115 val = REG_SET_FIELD(val, SDMA_GB_ADDR_CONFIG_READ, 116 PIPE_INTERLEAVE_SIZE, 0); 117 WREG32_SDMA(i, regSDMA_GB_ADDR_CONFIG_READ, val); 118 } 119 } 120 121 /** 122 * sdma_v4_4_2_init_microcode - load ucode images from disk 123 * 124 * @adev: amdgpu_device pointer 125 * 126 * Use the firmware interface to load the ucode images into 127 * the driver (not loaded into hw). 128 * Returns 0 on success, error on failure. 129 */ 130 static int sdma_v4_4_2_init_microcode(struct amdgpu_device *adev) 131 { 132 int ret, i; 133 134 for (i = 0; i < adev->sdma.num_instances; i++) { 135 if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) == 136 IP_VERSION(4, 4, 2)) { 137 ret = amdgpu_sdma_init_microcode(adev, 0, true); 138 break; 139 } else { 140 ret = amdgpu_sdma_init_microcode(adev, i, false); 141 if (ret) 142 return ret; 143 } 144 } 145 146 return ret; 147 } 148 149 /** 150 * sdma_v4_4_2_ring_get_rptr - get the current read pointer 151 * 152 * @ring: amdgpu ring pointer 153 * 154 * Get the current rptr from the hardware. 155 */ 156 static uint64_t sdma_v4_4_2_ring_get_rptr(struct amdgpu_ring *ring) 157 { 158 u64 rptr; 159 160 /* XXX check if swapping is necessary on BE */ 161 rptr = READ_ONCE(*((u64 *)&ring->adev->wb.wb[ring->rptr_offs])); 162 163 DRM_DEBUG("rptr before shift == 0x%016llx\n", rptr); 164 return rptr >> 2; 165 } 166 167 /** 168 * sdma_v4_4_2_ring_get_wptr - get the current write pointer 169 * 170 * @ring: amdgpu ring pointer 171 * 172 * Get the current wptr from the hardware. 173 */ 174 static uint64_t sdma_v4_4_2_ring_get_wptr(struct amdgpu_ring *ring) 175 { 176 struct amdgpu_device *adev = ring->adev; 177 u64 wptr; 178 179 if (ring->use_doorbell) { 180 /* XXX check if swapping is necessary on BE */ 181 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs])); 182 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 183 } else { 184 wptr = RREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR_HI); 185 wptr = wptr << 32; 186 wptr |= RREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR); 187 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", 188 ring->me, wptr); 189 } 190 191 return wptr >> 2; 192 } 193 194 /** 195 * sdma_v4_4_2_ring_set_wptr - commit the write pointer 196 * 197 * @ring: amdgpu ring pointer 198 * 199 * Write the wptr back to the hardware. 200 */ 201 static void sdma_v4_4_2_ring_set_wptr(struct amdgpu_ring *ring) 202 { 203 struct amdgpu_device *adev = ring->adev; 204 205 DRM_DEBUG("Setting write pointer\n"); 206 if (ring->use_doorbell) { 207 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs]; 208 209 DRM_DEBUG("Using doorbell -- " 210 "wptr_offs == 0x%08x " 211 "lower_32_bits(ring->wptr) << 2 == 0x%08x " 212 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", 213 ring->wptr_offs, 214 lower_32_bits(ring->wptr << 2), 215 upper_32_bits(ring->wptr << 2)); 216 /* XXX check if swapping is necessary on BE */ 217 WRITE_ONCE(*wb, (ring->wptr << 2)); 218 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 219 ring->doorbell_index, ring->wptr << 2); 220 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 221 } else { 222 DRM_DEBUG("Not using doorbell -- " 223 "regSDMA%i_GFX_RB_WPTR == 0x%08x " 224 "regSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 225 ring->me, 226 lower_32_bits(ring->wptr << 2), 227 ring->me, 228 upper_32_bits(ring->wptr << 2)); 229 WREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR, 230 lower_32_bits(ring->wptr << 2)); 231 WREG32_SDMA(ring->me, regSDMA_GFX_RB_WPTR_HI, 232 upper_32_bits(ring->wptr << 2)); 233 } 234 } 235 236 /** 237 * sdma_v4_4_2_page_ring_get_wptr - get the current write pointer 238 * 239 * @ring: amdgpu ring pointer 240 * 241 * Get the current wptr from the hardware. 242 */ 243 static uint64_t sdma_v4_4_2_page_ring_get_wptr(struct amdgpu_ring *ring) 244 { 245 struct amdgpu_device *adev = ring->adev; 246 u64 wptr; 247 248 if (ring->use_doorbell) { 249 /* XXX check if swapping is necessary on BE */ 250 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs])); 251 } else { 252 wptr = RREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR_HI); 253 wptr = wptr << 32; 254 wptr |= RREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR); 255 } 256 257 return wptr >> 2; 258 } 259 260 /** 261 * sdma_v4_4_2_page_ring_set_wptr - commit the write pointer 262 * 263 * @ring: amdgpu ring pointer 264 * 265 * Write the wptr back to the hardware. 266 */ 267 static void sdma_v4_4_2_page_ring_set_wptr(struct amdgpu_ring *ring) 268 { 269 struct amdgpu_device *adev = ring->adev; 270 271 if (ring->use_doorbell) { 272 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs]; 273 274 /* XXX check if swapping is necessary on BE */ 275 WRITE_ONCE(*wb, (ring->wptr << 2)); 276 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 277 } else { 278 uint64_t wptr = ring->wptr << 2; 279 280 WREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR, 281 lower_32_bits(wptr)); 282 WREG32_SDMA(ring->me, regSDMA_PAGE_RB_WPTR_HI, 283 upper_32_bits(wptr)); 284 } 285 } 286 287 static void sdma_v4_4_2_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 288 { 289 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 290 int i; 291 292 for (i = 0; i < count; i++) 293 if (sdma && sdma->burst_nop && (i == 0)) 294 amdgpu_ring_write(ring, ring->funcs->nop | 295 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 296 else 297 amdgpu_ring_write(ring, ring->funcs->nop); 298 } 299 300 /** 301 * sdma_v4_4_2_ring_emit_ib - Schedule an IB on the DMA engine 302 * 303 * @ring: amdgpu ring pointer 304 * @job: job to retrieve vmid from 305 * @ib: IB object to schedule 306 * @flags: unused 307 * 308 * Schedule an IB in the DMA ring. 309 */ 310 static void sdma_v4_4_2_ring_emit_ib(struct amdgpu_ring *ring, 311 struct amdgpu_job *job, 312 struct amdgpu_ib *ib, 313 uint32_t flags) 314 { 315 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 316 317 /* IB packet must end on a 8 DW boundary */ 318 sdma_v4_4_2_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); 319 320 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | 321 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 322 /* base must be 32 byte aligned */ 323 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 324 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 325 amdgpu_ring_write(ring, ib->length_dw); 326 amdgpu_ring_write(ring, 0); 327 amdgpu_ring_write(ring, 0); 328 329 } 330 331 static void sdma_v4_4_2_wait_reg_mem(struct amdgpu_ring *ring, 332 int mem_space, int hdp, 333 uint32_t addr0, uint32_t addr1, 334 uint32_t ref, uint32_t mask, 335 uint32_t inv) 336 { 337 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 338 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) | 339 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) | 340 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 341 if (mem_space) { 342 /* memory */ 343 amdgpu_ring_write(ring, addr0); 344 amdgpu_ring_write(ring, addr1); 345 } else { 346 /* registers */ 347 amdgpu_ring_write(ring, addr0 << 2); 348 amdgpu_ring_write(ring, addr1 << 2); 349 } 350 amdgpu_ring_write(ring, ref); /* reference */ 351 amdgpu_ring_write(ring, mask); /* mask */ 352 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 353 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */ 354 } 355 356 /** 357 * sdma_v4_4_2_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 358 * 359 * @ring: amdgpu ring pointer 360 * 361 * Emit an hdp flush packet on the requested DMA ring. 362 */ 363 static void sdma_v4_4_2_ring_emit_hdp_flush(struct amdgpu_ring *ring) 364 { 365 struct amdgpu_device *adev = ring->adev; 366 u32 ref_and_mask = 0; 367 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg; 368 369 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me; 370 371 sdma_v4_4_2_wait_reg_mem(ring, 0, 1, 372 adev->nbio.funcs->get_hdp_flush_done_offset(adev), 373 adev->nbio.funcs->get_hdp_flush_req_offset(adev), 374 ref_and_mask, ref_and_mask, 10); 375 } 376 377 /** 378 * sdma_v4_4_2_ring_emit_fence - emit a fence on the DMA ring 379 * 380 * @ring: amdgpu ring pointer 381 * @addr: address 382 * @seq: sequence number 383 * @flags: fence related flags 384 * 385 * Add a DMA fence packet to the ring to write 386 * the fence seq number and DMA trap packet to generate 387 * an interrupt if needed. 388 */ 389 static void sdma_v4_4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 390 unsigned flags) 391 { 392 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 393 /* write the fence */ 394 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); 395 /* zero in first two bits */ 396 BUG_ON(addr & 0x3); 397 amdgpu_ring_write(ring, lower_32_bits(addr)); 398 amdgpu_ring_write(ring, upper_32_bits(addr)); 399 amdgpu_ring_write(ring, lower_32_bits(seq)); 400 401 /* optionally write high bits as well */ 402 if (write64bit) { 403 addr += 4; 404 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); 405 /* zero in first two bits */ 406 BUG_ON(addr & 0x3); 407 amdgpu_ring_write(ring, lower_32_bits(addr)); 408 amdgpu_ring_write(ring, upper_32_bits(addr)); 409 amdgpu_ring_write(ring, upper_32_bits(seq)); 410 } 411 412 /* generate an interrupt */ 413 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); 414 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); 415 } 416 417 418 /** 419 * sdma_v4_4_2_inst_gfx_stop - stop the gfx async dma engines 420 * 421 * @adev: amdgpu_device pointer 422 * @inst_mask: mask of dma engine instances to be disabled 423 * 424 * Stop the gfx async dma ring buffers. 425 */ 426 static void sdma_v4_4_2_inst_gfx_stop(struct amdgpu_device *adev, 427 uint32_t inst_mask) 428 { 429 struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES]; 430 u32 doorbell_offset, doorbell; 431 u32 rb_cntl, ib_cntl; 432 int i, unset = 0; 433 434 for_each_inst(i, inst_mask) { 435 sdma[i] = &adev->sdma.instance[i].ring; 436 437 if ((adev->mman.buffer_funcs_ring == sdma[i]) && unset != 1) { 438 amdgpu_ttm_set_buffer_funcs_status(adev, false); 439 unset = 1; 440 } 441 442 rb_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_CNTL); 443 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_ENABLE, 0); 444 WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl); 445 ib_cntl = RREG32_SDMA(i, regSDMA_GFX_IB_CNTL); 446 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_ENABLE, 0); 447 WREG32_SDMA(i, regSDMA_GFX_IB_CNTL, ib_cntl); 448 449 if (sdma[i]->use_doorbell) { 450 doorbell = RREG32_SDMA(i, regSDMA_GFX_DOORBELL); 451 doorbell_offset = RREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET); 452 453 doorbell = REG_SET_FIELD(doorbell, SDMA_GFX_DOORBELL, ENABLE, 0); 454 doorbell_offset = REG_SET_FIELD(doorbell_offset, 455 SDMA_GFX_DOORBELL_OFFSET, 456 OFFSET, 0); 457 WREG32_SDMA(i, regSDMA_GFX_DOORBELL, doorbell); 458 WREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET, doorbell_offset); 459 } 460 } 461 } 462 463 /** 464 * sdma_v4_4_2_inst_rlc_stop - stop the compute async dma engines 465 * 466 * @adev: amdgpu_device pointer 467 * @inst_mask: mask of dma engine instances to be disabled 468 * 469 * Stop the compute async dma queues. 470 */ 471 static void sdma_v4_4_2_inst_rlc_stop(struct amdgpu_device *adev, 472 uint32_t inst_mask) 473 { 474 /* XXX todo */ 475 } 476 477 /** 478 * sdma_v4_4_2_inst_page_stop - stop the page async dma engines 479 * 480 * @adev: amdgpu_device pointer 481 * @inst_mask: mask of dma engine instances to be disabled 482 * 483 * Stop the page async dma ring buffers. 484 */ 485 static void sdma_v4_4_2_inst_page_stop(struct amdgpu_device *adev, 486 uint32_t inst_mask) 487 { 488 struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES]; 489 u32 rb_cntl, ib_cntl; 490 int i; 491 bool unset = false; 492 493 for_each_inst(i, inst_mask) { 494 sdma[i] = &adev->sdma.instance[i].page; 495 496 if ((adev->mman.buffer_funcs_ring == sdma[i]) && 497 (!unset)) { 498 amdgpu_ttm_set_buffer_funcs_status(adev, false); 499 unset = true; 500 } 501 502 rb_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_CNTL); 503 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL, 504 RB_ENABLE, 0); 505 WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl); 506 ib_cntl = RREG32_SDMA(i, regSDMA_PAGE_IB_CNTL); 507 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL, 508 IB_ENABLE, 0); 509 WREG32_SDMA(i, regSDMA_PAGE_IB_CNTL, ib_cntl); 510 } 511 } 512 513 /** 514 * sdma_v4_4_2_inst_ctx_switch_enable - stop the async dma engines context switch 515 * 516 * @adev: amdgpu_device pointer 517 * @enable: enable/disable the DMA MEs context switch. 518 * @inst_mask: mask of dma engine instances to be enabled 519 * 520 * Halt or unhalt the async dma engines context switch. 521 */ 522 static void sdma_v4_4_2_inst_ctx_switch_enable(struct amdgpu_device *adev, 523 bool enable, uint32_t inst_mask) 524 { 525 u32 f32_cntl, phase_quantum = 0; 526 int i; 527 528 if (amdgpu_sdma_phase_quantum) { 529 unsigned value = amdgpu_sdma_phase_quantum; 530 unsigned unit = 0; 531 532 while (value > (SDMA_PHASE0_QUANTUM__VALUE_MASK >> 533 SDMA_PHASE0_QUANTUM__VALUE__SHIFT)) { 534 value = (value + 1) >> 1; 535 unit++; 536 } 537 if (unit > (SDMA_PHASE0_QUANTUM__UNIT_MASK >> 538 SDMA_PHASE0_QUANTUM__UNIT__SHIFT)) { 539 value = (SDMA_PHASE0_QUANTUM__VALUE_MASK >> 540 SDMA_PHASE0_QUANTUM__VALUE__SHIFT); 541 unit = (SDMA_PHASE0_QUANTUM__UNIT_MASK >> 542 SDMA_PHASE0_QUANTUM__UNIT__SHIFT); 543 WARN_ONCE(1, 544 "clamping sdma_phase_quantum to %uK clock cycles\n", 545 value << unit); 546 } 547 phase_quantum = 548 value << SDMA_PHASE0_QUANTUM__VALUE__SHIFT | 549 unit << SDMA_PHASE0_QUANTUM__UNIT__SHIFT; 550 } 551 552 for_each_inst(i, inst_mask) { 553 f32_cntl = RREG32_SDMA(i, regSDMA_CNTL); 554 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA_CNTL, 555 AUTO_CTXSW_ENABLE, enable ? 1 : 0); 556 if (enable && amdgpu_sdma_phase_quantum) { 557 WREG32_SDMA(i, regSDMA_PHASE0_QUANTUM, phase_quantum); 558 WREG32_SDMA(i, regSDMA_PHASE1_QUANTUM, phase_quantum); 559 WREG32_SDMA(i, regSDMA_PHASE2_QUANTUM, phase_quantum); 560 } 561 WREG32_SDMA(i, regSDMA_CNTL, f32_cntl); 562 563 /* Extend page fault timeout to avoid interrupt storm */ 564 WREG32_SDMA(i, regSDMA_UTCL1_TIMEOUT, 0x00800080); 565 } 566 } 567 568 /** 569 * sdma_v4_4_2_inst_enable - stop the async dma engines 570 * 571 * @adev: amdgpu_device pointer 572 * @enable: enable/disable the DMA MEs. 573 * @inst_mask: mask of dma engine instances to be enabled 574 * 575 * Halt or unhalt the async dma engines. 576 */ 577 static void sdma_v4_4_2_inst_enable(struct amdgpu_device *adev, bool enable, 578 uint32_t inst_mask) 579 { 580 u32 f32_cntl; 581 int i; 582 583 if (!enable) { 584 sdma_v4_4_2_inst_gfx_stop(adev, inst_mask); 585 sdma_v4_4_2_inst_rlc_stop(adev, inst_mask); 586 if (adev->sdma.has_page_queue) 587 sdma_v4_4_2_inst_page_stop(adev, inst_mask); 588 589 /* SDMA FW needs to respond to FREEZE requests during reset. 590 * Keep it running during reset */ 591 if (!amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev)) 592 return; 593 } 594 595 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) 596 return; 597 598 for_each_inst(i, inst_mask) { 599 f32_cntl = RREG32_SDMA(i, regSDMA_F32_CNTL); 600 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA_F32_CNTL, HALT, enable ? 0 : 1); 601 WREG32_SDMA(i, regSDMA_F32_CNTL, f32_cntl); 602 } 603 } 604 605 /* 606 * sdma_v4_4_2_rb_cntl - get parameters for rb_cntl 607 */ 608 static uint32_t sdma_v4_4_2_rb_cntl(struct amdgpu_ring *ring, uint32_t rb_cntl) 609 { 610 /* Set ring buffer size in dwords */ 611 uint32_t rb_bufsz = order_base_2(ring->ring_size / 4); 612 613 barrier(); /* work around https://bugs.llvm.org/show_bug.cgi?id=42576 */ 614 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_SIZE, rb_bufsz); 615 #ifdef __BIG_ENDIAN 616 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); 617 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, 618 RPTR_WRITEBACK_SWAP_ENABLE, 1); 619 #endif 620 return rb_cntl; 621 } 622 623 /** 624 * sdma_v4_4_2_gfx_resume - setup and start the async dma engines 625 * 626 * @adev: amdgpu_device pointer 627 * @i: instance to resume 628 * 629 * Set up the gfx DMA ring buffers and enable them. 630 * Returns 0 for success, error for failure. 631 */ 632 static void sdma_v4_4_2_gfx_resume(struct amdgpu_device *adev, unsigned int i) 633 { 634 struct amdgpu_ring *ring = &adev->sdma.instance[i].ring; 635 u32 rb_cntl, ib_cntl, wptr_poll_cntl; 636 u32 wb_offset; 637 u32 doorbell; 638 u32 doorbell_offset; 639 u64 wptr_gpu_addr; 640 641 wb_offset = (ring->rptr_offs * 4); 642 643 rb_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_CNTL); 644 rb_cntl = sdma_v4_4_2_rb_cntl(ring, rb_cntl); 645 WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl); 646 647 /* set the wb address whether it's enabled or not */ 648 WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_ADDR_HI, 649 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); 650 WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_ADDR_LO, 651 lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); 652 653 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, 654 RPTR_WRITEBACK_ENABLE, 1); 655 656 WREG32_SDMA(i, regSDMA_GFX_RB_BASE, ring->gpu_addr >> 8); 657 WREG32_SDMA(i, regSDMA_GFX_RB_BASE_HI, ring->gpu_addr >> 40); 658 659 ring->wptr = 0; 660 661 /* before programing wptr to a less value, need set minor_ptr_update first */ 662 WREG32_SDMA(i, regSDMA_GFX_MINOR_PTR_UPDATE, 1); 663 664 /* Initialize the ring buffer's read and write pointers */ 665 WREG32_SDMA(i, regSDMA_GFX_RB_RPTR, 0); 666 WREG32_SDMA(i, regSDMA_GFX_RB_RPTR_HI, 0); 667 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR, 0); 668 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_HI, 0); 669 670 doorbell = RREG32_SDMA(i, regSDMA_GFX_DOORBELL); 671 doorbell_offset = RREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET); 672 673 doorbell = REG_SET_FIELD(doorbell, SDMA_GFX_DOORBELL, ENABLE, 674 ring->use_doorbell); 675 doorbell_offset = REG_SET_FIELD(doorbell_offset, 676 SDMA_GFX_DOORBELL_OFFSET, 677 OFFSET, ring->doorbell_index); 678 WREG32_SDMA(i, regSDMA_GFX_DOORBELL, doorbell); 679 WREG32_SDMA(i, regSDMA_GFX_DOORBELL_OFFSET, doorbell_offset); 680 681 sdma_v4_4_2_ring_set_wptr(ring); 682 683 /* set minor_ptr_update to 0 after wptr programed */ 684 WREG32_SDMA(i, regSDMA_GFX_MINOR_PTR_UPDATE, 0); 685 686 /* setup the wptr shadow polling */ 687 wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4); 688 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_ADDR_LO, 689 lower_32_bits(wptr_gpu_addr)); 690 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_ADDR_HI, 691 upper_32_bits(wptr_gpu_addr)); 692 wptr_poll_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_CNTL); 693 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, 694 SDMA_GFX_RB_WPTR_POLL_CNTL, 695 F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0); 696 WREG32_SDMA(i, regSDMA_GFX_RB_WPTR_POLL_CNTL, wptr_poll_cntl); 697 698 /* enable DMA RB */ 699 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_ENABLE, 1); 700 WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl); 701 702 ib_cntl = RREG32_SDMA(i, regSDMA_GFX_IB_CNTL); 703 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_ENABLE, 1); 704 #ifdef __BIG_ENDIAN 705 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); 706 #endif 707 /* enable DMA IBs */ 708 WREG32_SDMA(i, regSDMA_GFX_IB_CNTL, ib_cntl); 709 } 710 711 /** 712 * sdma_v4_4_2_page_resume - setup and start the async dma engines 713 * 714 * @adev: amdgpu_device pointer 715 * @i: instance to resume 716 * 717 * Set up the page DMA ring buffers and enable them. 718 * Returns 0 for success, error for failure. 719 */ 720 static void sdma_v4_4_2_page_resume(struct amdgpu_device *adev, unsigned int i) 721 { 722 struct amdgpu_ring *ring = &adev->sdma.instance[i].page; 723 u32 rb_cntl, ib_cntl, wptr_poll_cntl; 724 u32 wb_offset; 725 u32 doorbell; 726 u32 doorbell_offset; 727 u64 wptr_gpu_addr; 728 729 wb_offset = (ring->rptr_offs * 4); 730 731 rb_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_CNTL); 732 rb_cntl = sdma_v4_4_2_rb_cntl(ring, rb_cntl); 733 WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl); 734 735 /* Initialize the ring buffer's read and write pointers */ 736 WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR, 0); 737 WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_HI, 0); 738 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR, 0); 739 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_HI, 0); 740 741 /* set the wb address whether it's enabled or not */ 742 WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_ADDR_HI, 743 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); 744 WREG32_SDMA(i, regSDMA_PAGE_RB_RPTR_ADDR_LO, 745 lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); 746 747 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL, 748 RPTR_WRITEBACK_ENABLE, 1); 749 750 WREG32_SDMA(i, regSDMA_PAGE_RB_BASE, ring->gpu_addr >> 8); 751 WREG32_SDMA(i, regSDMA_PAGE_RB_BASE_HI, ring->gpu_addr >> 40); 752 753 ring->wptr = 0; 754 755 /* before programing wptr to a less value, need set minor_ptr_update first */ 756 WREG32_SDMA(i, regSDMA_PAGE_MINOR_PTR_UPDATE, 1); 757 758 doorbell = RREG32_SDMA(i, regSDMA_PAGE_DOORBELL); 759 doorbell_offset = RREG32_SDMA(i, regSDMA_PAGE_DOORBELL_OFFSET); 760 761 doorbell = REG_SET_FIELD(doorbell, SDMA_PAGE_DOORBELL, ENABLE, 762 ring->use_doorbell); 763 doorbell_offset = REG_SET_FIELD(doorbell_offset, 764 SDMA_PAGE_DOORBELL_OFFSET, 765 OFFSET, ring->doorbell_index); 766 WREG32_SDMA(i, regSDMA_PAGE_DOORBELL, doorbell); 767 WREG32_SDMA(i, regSDMA_PAGE_DOORBELL_OFFSET, doorbell_offset); 768 769 /* paging queue doorbell range is setup at sdma_v4_4_2_gfx_resume */ 770 sdma_v4_4_2_page_ring_set_wptr(ring); 771 772 /* set minor_ptr_update to 0 after wptr programed */ 773 WREG32_SDMA(i, regSDMA_PAGE_MINOR_PTR_UPDATE, 0); 774 775 /* setup the wptr shadow polling */ 776 wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4); 777 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_ADDR_LO, 778 lower_32_bits(wptr_gpu_addr)); 779 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_ADDR_HI, 780 upper_32_bits(wptr_gpu_addr)); 781 wptr_poll_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_CNTL); 782 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, 783 SDMA_PAGE_RB_WPTR_POLL_CNTL, 784 F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0); 785 WREG32_SDMA(i, regSDMA_PAGE_RB_WPTR_POLL_CNTL, wptr_poll_cntl); 786 787 /* enable DMA RB */ 788 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL, RB_ENABLE, 1); 789 WREG32_SDMA(i, regSDMA_PAGE_RB_CNTL, rb_cntl); 790 791 ib_cntl = RREG32_SDMA(i, regSDMA_PAGE_IB_CNTL); 792 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL, IB_ENABLE, 1); 793 #ifdef __BIG_ENDIAN 794 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA_PAGE_IB_CNTL, IB_SWAP_ENABLE, 1); 795 #endif 796 /* enable DMA IBs */ 797 WREG32_SDMA(i, regSDMA_PAGE_IB_CNTL, ib_cntl); 798 } 799 800 static void sdma_v4_4_2_init_pg(struct amdgpu_device *adev) 801 { 802 803 } 804 805 /** 806 * sdma_v4_4_2_inst_rlc_resume - setup and start the async dma engines 807 * 808 * @adev: amdgpu_device pointer 809 * @inst_mask: mask of dma engine instances to be enabled 810 * 811 * Set up the compute DMA queues and enable them. 812 * Returns 0 for success, error for failure. 813 */ 814 static int sdma_v4_4_2_inst_rlc_resume(struct amdgpu_device *adev, 815 uint32_t inst_mask) 816 { 817 sdma_v4_4_2_init_pg(adev); 818 819 return 0; 820 } 821 822 /** 823 * sdma_v4_4_2_inst_load_microcode - load the sDMA ME ucode 824 * 825 * @adev: amdgpu_device pointer 826 * @inst_mask: mask of dma engine instances to be enabled 827 * 828 * Loads the sDMA0/1 ucode. 829 * Returns 0 for success, -EINVAL if the ucode is not available. 830 */ 831 static int sdma_v4_4_2_inst_load_microcode(struct amdgpu_device *adev, 832 uint32_t inst_mask) 833 { 834 const struct sdma_firmware_header_v1_0 *hdr; 835 const __le32 *fw_data; 836 u32 fw_size; 837 int i, j; 838 839 /* halt the MEs */ 840 sdma_v4_4_2_inst_enable(adev, false, inst_mask); 841 842 for_each_inst(i, inst_mask) { 843 if (!adev->sdma.instance[i].fw) 844 return -EINVAL; 845 846 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 847 amdgpu_ucode_print_sdma_hdr(&hdr->header); 848 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 849 850 fw_data = (const __le32 *) 851 (adev->sdma.instance[i].fw->data + 852 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 853 854 WREG32_SDMA(i, regSDMA_UCODE_ADDR, 0); 855 856 for (j = 0; j < fw_size; j++) 857 WREG32_SDMA(i, regSDMA_UCODE_DATA, 858 le32_to_cpup(fw_data++)); 859 860 WREG32_SDMA(i, regSDMA_UCODE_ADDR, 861 adev->sdma.instance[i].fw_version); 862 } 863 864 return 0; 865 } 866 867 /** 868 * sdma_v4_4_2_inst_start - setup and start the async dma engines 869 * 870 * @adev: amdgpu_device pointer 871 * @inst_mask: mask of dma engine instances to be enabled 872 * 873 * Set up the DMA engines and enable them. 874 * Returns 0 for success, error for failure. 875 */ 876 static int sdma_v4_4_2_inst_start(struct amdgpu_device *adev, 877 uint32_t inst_mask) 878 { 879 struct amdgpu_ring *ring; 880 uint32_t tmp_mask; 881 int i, r = 0; 882 883 if (amdgpu_sriov_vf(adev)) { 884 sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask); 885 sdma_v4_4_2_inst_enable(adev, false, inst_mask); 886 } else { 887 /* bypass sdma microcode loading on Gopher */ 888 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP && 889 adev->sdma.instance[0].fw) { 890 r = sdma_v4_4_2_inst_load_microcode(adev, inst_mask); 891 if (r) 892 return r; 893 } 894 895 /* unhalt the MEs */ 896 sdma_v4_4_2_inst_enable(adev, true, inst_mask); 897 /* enable sdma ring preemption */ 898 sdma_v4_4_2_inst_ctx_switch_enable(adev, true, inst_mask); 899 } 900 901 /* start the gfx rings and rlc compute queues */ 902 tmp_mask = inst_mask; 903 for_each_inst(i, tmp_mask) { 904 uint32_t temp; 905 906 WREG32_SDMA(i, regSDMA_SEM_WAIT_FAIL_TIMER_CNTL, 0); 907 sdma_v4_4_2_gfx_resume(adev, i); 908 if (adev->sdma.has_page_queue) 909 sdma_v4_4_2_page_resume(adev, i); 910 911 /* set utc l1 enable flag always to 1 */ 912 temp = RREG32_SDMA(i, regSDMA_CNTL); 913 temp = REG_SET_FIELD(temp, SDMA_CNTL, UTC_L1_ENABLE, 1); 914 /* enable context empty interrupt during initialization */ 915 temp = REG_SET_FIELD(temp, SDMA_CNTL, CTXEMPTY_INT_ENABLE, 1); 916 WREG32_SDMA(i, regSDMA_CNTL, temp); 917 918 if (!amdgpu_sriov_vf(adev)) { 919 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { 920 /* unhalt engine */ 921 temp = RREG32_SDMA(i, regSDMA_F32_CNTL); 922 temp = REG_SET_FIELD(temp, SDMA_F32_CNTL, HALT, 0); 923 WREG32_SDMA(i, regSDMA_F32_CNTL, temp); 924 } 925 } 926 } 927 928 if (amdgpu_sriov_vf(adev)) { 929 sdma_v4_4_2_inst_ctx_switch_enable(adev, true, inst_mask); 930 sdma_v4_4_2_inst_enable(adev, true, inst_mask); 931 } else { 932 r = sdma_v4_4_2_inst_rlc_resume(adev, inst_mask); 933 if (r) 934 return r; 935 } 936 937 tmp_mask = inst_mask; 938 for_each_inst(i, tmp_mask) { 939 ring = &adev->sdma.instance[i].ring; 940 941 r = amdgpu_ring_test_helper(ring); 942 if (r) 943 return r; 944 945 if (adev->sdma.has_page_queue) { 946 struct amdgpu_ring *page = &adev->sdma.instance[i].page; 947 948 r = amdgpu_ring_test_helper(page); 949 if (r) 950 return r; 951 952 if (adev->mman.buffer_funcs_ring == page) 953 amdgpu_ttm_set_buffer_funcs_status(adev, true); 954 } 955 956 if (adev->mman.buffer_funcs_ring == ring) 957 amdgpu_ttm_set_buffer_funcs_status(adev, true); 958 } 959 960 return r; 961 } 962 963 /** 964 * sdma_v4_4_2_ring_test_ring - simple async dma engine test 965 * 966 * @ring: amdgpu_ring structure holding ring information 967 * 968 * Test the DMA engine by writing using it to write an 969 * value to memory. 970 * Returns 0 for success, error for failure. 971 */ 972 static int sdma_v4_4_2_ring_test_ring(struct amdgpu_ring *ring) 973 { 974 struct amdgpu_device *adev = ring->adev; 975 unsigned i; 976 unsigned index; 977 int r; 978 u32 tmp; 979 u64 gpu_addr; 980 981 r = amdgpu_device_wb_get(adev, &index); 982 if (r) 983 return r; 984 985 gpu_addr = adev->wb.gpu_addr + (index * 4); 986 tmp = 0xCAFEDEAD; 987 adev->wb.wb[index] = cpu_to_le32(tmp); 988 989 r = amdgpu_ring_alloc(ring, 5); 990 if (r) 991 goto error_free_wb; 992 993 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 994 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 995 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 996 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 997 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 998 amdgpu_ring_write(ring, 0xDEADBEEF); 999 amdgpu_ring_commit(ring); 1000 1001 for (i = 0; i < adev->usec_timeout; i++) { 1002 tmp = le32_to_cpu(adev->wb.wb[index]); 1003 if (tmp == 0xDEADBEEF) 1004 break; 1005 udelay(1); 1006 } 1007 1008 if (i >= adev->usec_timeout) 1009 r = -ETIMEDOUT; 1010 1011 error_free_wb: 1012 amdgpu_device_wb_free(adev, index); 1013 return r; 1014 } 1015 1016 /** 1017 * sdma_v4_4_2_ring_test_ib - test an IB on the DMA engine 1018 * 1019 * @ring: amdgpu_ring structure holding ring information 1020 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 1021 * 1022 * Test a simple IB in the DMA ring. 1023 * Returns 0 on success, error on failure. 1024 */ 1025 static int sdma_v4_4_2_ring_test_ib(struct amdgpu_ring *ring, long timeout) 1026 { 1027 struct amdgpu_device *adev = ring->adev; 1028 struct amdgpu_ib ib; 1029 struct dma_fence *f = NULL; 1030 unsigned index; 1031 long r; 1032 u32 tmp = 0; 1033 u64 gpu_addr; 1034 1035 r = amdgpu_device_wb_get(adev, &index); 1036 if (r) 1037 return r; 1038 1039 gpu_addr = adev->wb.gpu_addr + (index * 4); 1040 tmp = 0xCAFEDEAD; 1041 adev->wb.wb[index] = cpu_to_le32(tmp); 1042 memset(&ib, 0, sizeof(ib)); 1043 r = amdgpu_ib_get(adev, NULL, 256, 1044 AMDGPU_IB_POOL_DIRECT, &ib); 1045 if (r) 1046 goto err0; 1047 1048 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1049 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1050 ib.ptr[1] = lower_32_bits(gpu_addr); 1051 ib.ptr[2] = upper_32_bits(gpu_addr); 1052 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 1053 ib.ptr[4] = 0xDEADBEEF; 1054 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1055 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1056 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1057 ib.length_dw = 8; 1058 1059 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 1060 if (r) 1061 goto err1; 1062 1063 r = dma_fence_wait_timeout(f, false, timeout); 1064 if (r == 0) { 1065 r = -ETIMEDOUT; 1066 goto err1; 1067 } else if (r < 0) { 1068 goto err1; 1069 } 1070 tmp = le32_to_cpu(adev->wb.wb[index]); 1071 if (tmp == 0xDEADBEEF) 1072 r = 0; 1073 else 1074 r = -EINVAL; 1075 1076 err1: 1077 amdgpu_ib_free(adev, &ib, NULL); 1078 dma_fence_put(f); 1079 err0: 1080 amdgpu_device_wb_free(adev, index); 1081 return r; 1082 } 1083 1084 1085 /** 1086 * sdma_v4_4_2_vm_copy_pte - update PTEs by copying them from the GART 1087 * 1088 * @ib: indirect buffer to fill with commands 1089 * @pe: addr of the page entry 1090 * @src: src addr to copy from 1091 * @count: number of page entries to update 1092 * 1093 * Update PTEs by copying them from the GART using sDMA. 1094 */ 1095 static void sdma_v4_4_2_vm_copy_pte(struct amdgpu_ib *ib, 1096 uint64_t pe, uint64_t src, 1097 unsigned count) 1098 { 1099 unsigned bytes = count * 8; 1100 1101 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1102 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1103 ib->ptr[ib->length_dw++] = bytes - 1; 1104 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1105 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1106 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1107 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1108 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1109 1110 } 1111 1112 /** 1113 * sdma_v4_4_2_vm_write_pte - update PTEs by writing them manually 1114 * 1115 * @ib: indirect buffer to fill with commands 1116 * @pe: addr of the page entry 1117 * @value: dst addr to write into pe 1118 * @count: number of page entries to update 1119 * @incr: increase next addr by incr bytes 1120 * 1121 * Update PTEs by writing them manually using sDMA. 1122 */ 1123 static void sdma_v4_4_2_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1124 uint64_t value, unsigned count, 1125 uint32_t incr) 1126 { 1127 unsigned ndw = count * 2; 1128 1129 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1130 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1131 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1132 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1133 ib->ptr[ib->length_dw++] = ndw - 1; 1134 for (; ndw > 0; ndw -= 2) { 1135 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1136 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1137 value += incr; 1138 } 1139 } 1140 1141 /** 1142 * sdma_v4_4_2_vm_set_pte_pde - update the page tables using sDMA 1143 * 1144 * @ib: indirect buffer to fill with commands 1145 * @pe: addr of the page entry 1146 * @addr: dst addr to write into pe 1147 * @count: number of page entries to update 1148 * @incr: increase next addr by incr bytes 1149 * @flags: access flags 1150 * 1151 * Update the page tables using sDMA. 1152 */ 1153 static void sdma_v4_4_2_vm_set_pte_pde(struct amdgpu_ib *ib, 1154 uint64_t pe, 1155 uint64_t addr, unsigned count, 1156 uint32_t incr, uint64_t flags) 1157 { 1158 /* for physically contiguous pages (vram) */ 1159 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE); 1160 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1161 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1162 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1163 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1164 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1165 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1166 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1167 ib->ptr[ib->length_dw++] = 0; 1168 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1169 } 1170 1171 /** 1172 * sdma_v4_4_2_ring_pad_ib - pad the IB to the required number of dw 1173 * 1174 * @ring: amdgpu_ring structure holding ring information 1175 * @ib: indirect buffer to fill with padding 1176 */ 1177 static void sdma_v4_4_2_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1178 { 1179 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 1180 u32 pad_count; 1181 int i; 1182 1183 pad_count = (-ib->length_dw) & 7; 1184 for (i = 0; i < pad_count; i++) 1185 if (sdma && sdma->burst_nop && (i == 0)) 1186 ib->ptr[ib->length_dw++] = 1187 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | 1188 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1189 else 1190 ib->ptr[ib->length_dw++] = 1191 SDMA_PKT_HEADER_OP(SDMA_OP_NOP); 1192 } 1193 1194 1195 /** 1196 * sdma_v4_4_2_ring_emit_pipeline_sync - sync the pipeline 1197 * 1198 * @ring: amdgpu_ring pointer 1199 * 1200 * Make sure all previous operations are completed (CIK). 1201 */ 1202 static void sdma_v4_4_2_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1203 { 1204 uint32_t seq = ring->fence_drv.sync_seq; 1205 uint64_t addr = ring->fence_drv.gpu_addr; 1206 1207 /* wait for idle */ 1208 sdma_v4_4_2_wait_reg_mem(ring, 1, 0, 1209 addr & 0xfffffffc, 1210 upper_32_bits(addr) & 0xffffffff, 1211 seq, 0xffffffff, 4); 1212 } 1213 1214 1215 /** 1216 * sdma_v4_4_2_ring_emit_vm_flush - vm flush using sDMA 1217 * 1218 * @ring: amdgpu_ring pointer 1219 * @vmid: vmid number to use 1220 * @pd_addr: address 1221 * 1222 * Update the page table base and flush the VM TLB 1223 * using sDMA. 1224 */ 1225 static void sdma_v4_4_2_ring_emit_vm_flush(struct amdgpu_ring *ring, 1226 unsigned vmid, uint64_t pd_addr) 1227 { 1228 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1229 } 1230 1231 static void sdma_v4_4_2_ring_emit_wreg(struct amdgpu_ring *ring, 1232 uint32_t reg, uint32_t val) 1233 { 1234 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | 1235 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); 1236 amdgpu_ring_write(ring, reg); 1237 amdgpu_ring_write(ring, val); 1238 } 1239 1240 static void sdma_v4_4_2_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1241 uint32_t val, uint32_t mask) 1242 { 1243 sdma_v4_4_2_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10); 1244 } 1245 1246 static bool sdma_v4_4_2_fw_support_paging_queue(struct amdgpu_device *adev) 1247 { 1248 switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) { 1249 case IP_VERSION(4, 4, 2): 1250 return false; 1251 default: 1252 return false; 1253 } 1254 } 1255 1256 static int sdma_v4_4_2_early_init(void *handle) 1257 { 1258 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1259 int r; 1260 1261 r = sdma_v4_4_2_init_microcode(adev); 1262 if (r) 1263 return r; 1264 1265 /* TODO: Page queue breaks driver reload under SRIOV */ 1266 if (sdma_v4_4_2_fw_support_paging_queue(adev)) 1267 adev->sdma.has_page_queue = true; 1268 1269 sdma_v4_4_2_set_ring_funcs(adev); 1270 sdma_v4_4_2_set_buffer_funcs(adev); 1271 sdma_v4_4_2_set_vm_pte_funcs(adev); 1272 sdma_v4_4_2_set_irq_funcs(adev); 1273 sdma_v4_4_2_set_ras_funcs(adev); 1274 1275 return 0; 1276 } 1277 1278 #if 0 1279 static int sdma_v4_4_2_process_ras_data_cb(struct amdgpu_device *adev, 1280 void *err_data, 1281 struct amdgpu_iv_entry *entry); 1282 #endif 1283 1284 static int sdma_v4_4_2_late_init(void *handle) 1285 { 1286 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1287 #if 0 1288 struct ras_ih_if ih_info = { 1289 .cb = sdma_v4_4_2_process_ras_data_cb, 1290 }; 1291 #endif 1292 if (!amdgpu_persistent_edc_harvesting_supported(adev)) 1293 amdgpu_ras_reset_error_count(adev, AMDGPU_RAS_BLOCK__SDMA); 1294 1295 return 0; 1296 } 1297 1298 static int sdma_v4_4_2_sw_init(void *handle) 1299 { 1300 struct amdgpu_ring *ring; 1301 int r, i; 1302 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1303 u32 aid_id; 1304 1305 /* SDMA trap event */ 1306 for (i = 0; i < adev->sdma.num_inst_per_aid; i++) { 1307 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i), 1308 SDMA0_4_0__SRCID__SDMA_TRAP, 1309 &adev->sdma.trap_irq); 1310 if (r) 1311 return r; 1312 } 1313 1314 /* SDMA SRAM ECC event */ 1315 for (i = 0; i < adev->sdma.num_inst_per_aid; i++) { 1316 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i), 1317 SDMA0_4_0__SRCID__SDMA_SRAM_ECC, 1318 &adev->sdma.ecc_irq); 1319 if (r) 1320 return r; 1321 } 1322 1323 /* SDMA VM_HOLE/DOORBELL_INV/POLL_TIMEOUT/SRBM_WRITE_PROTECTION event*/ 1324 for (i = 0; i < adev->sdma.num_inst_per_aid; i++) { 1325 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i), 1326 SDMA0_4_0__SRCID__SDMA_VM_HOLE, 1327 &adev->sdma.vm_hole_irq); 1328 if (r) 1329 return r; 1330 1331 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i), 1332 SDMA0_4_0__SRCID__SDMA_DOORBELL_INVALID, 1333 &adev->sdma.doorbell_invalid_irq); 1334 if (r) 1335 return r; 1336 1337 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i), 1338 SDMA0_4_0__SRCID__SDMA_POLL_TIMEOUT, 1339 &adev->sdma.pool_timeout_irq); 1340 if (r) 1341 return r; 1342 1343 r = amdgpu_irq_add_id(adev, sdma_v4_4_2_seq_to_irq_id(i), 1344 SDMA0_4_0__SRCID__SDMA_SRBMWRITE, 1345 &adev->sdma.srbm_write_irq); 1346 if (r) 1347 return r; 1348 } 1349 1350 for (i = 0; i < adev->sdma.num_instances; i++) { 1351 ring = &adev->sdma.instance[i].ring; 1352 ring->ring_obj = NULL; 1353 ring->use_doorbell = true; 1354 aid_id = adev->sdma.instance[i].aid_id; 1355 1356 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i, 1357 ring->use_doorbell?"true":"false"); 1358 1359 /* doorbell size is 2 dwords, get DWORD offset */ 1360 ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1; 1361 ring->vm_hub = AMDGPU_MMHUB0(aid_id); 1362 1363 sprintf(ring->name, "sdma%d.%d", aid_id, 1364 i % adev->sdma.num_inst_per_aid); 1365 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq, 1366 AMDGPU_SDMA_IRQ_INSTANCE0 + i, 1367 AMDGPU_RING_PRIO_DEFAULT, NULL); 1368 if (r) 1369 return r; 1370 1371 if (adev->sdma.has_page_queue) { 1372 ring = &adev->sdma.instance[i].page; 1373 ring->ring_obj = NULL; 1374 ring->use_doorbell = true; 1375 1376 /* doorbell index of page queue is assigned right after 1377 * gfx queue on the same instance 1378 */ 1379 ring->doorbell_index = 1380 (adev->doorbell_index.sdma_engine[i] + 1) << 1; 1381 ring->vm_hub = AMDGPU_MMHUB0(aid_id); 1382 1383 sprintf(ring->name, "page%d.%d", aid_id, 1384 i % adev->sdma.num_inst_per_aid); 1385 r = amdgpu_ring_init(adev, ring, 1024, 1386 &adev->sdma.trap_irq, 1387 AMDGPU_SDMA_IRQ_INSTANCE0 + i, 1388 AMDGPU_RING_PRIO_DEFAULT, NULL); 1389 if (r) 1390 return r; 1391 } 1392 } 1393 1394 if (amdgpu_sdma_ras_sw_init(adev)) { 1395 dev_err(adev->dev, "fail to initialize sdma ras block\n"); 1396 return -EINVAL; 1397 } 1398 1399 return r; 1400 } 1401 1402 static int sdma_v4_4_2_sw_fini(void *handle) 1403 { 1404 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1405 int i; 1406 1407 for (i = 0; i < adev->sdma.num_instances; i++) { 1408 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1409 if (adev->sdma.has_page_queue) 1410 amdgpu_ring_fini(&adev->sdma.instance[i].page); 1411 } 1412 1413 if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) == IP_VERSION(4, 4, 2)) 1414 amdgpu_sdma_destroy_inst_ctx(adev, true); 1415 else 1416 amdgpu_sdma_destroy_inst_ctx(adev, false); 1417 1418 return 0; 1419 } 1420 1421 static int sdma_v4_4_2_hw_init(void *handle) 1422 { 1423 int r; 1424 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1425 uint32_t inst_mask; 1426 1427 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0); 1428 if (!amdgpu_sriov_vf(adev)) 1429 sdma_v4_4_2_inst_init_golden_registers(adev, inst_mask); 1430 1431 r = sdma_v4_4_2_inst_start(adev, inst_mask); 1432 1433 return r; 1434 } 1435 1436 static int sdma_v4_4_2_hw_fini(void *handle) 1437 { 1438 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1439 uint32_t inst_mask; 1440 int i; 1441 1442 if (amdgpu_sriov_vf(adev)) 1443 return 0; 1444 1445 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0); 1446 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { 1447 for (i = 0; i < adev->sdma.num_instances; i++) { 1448 amdgpu_irq_put(adev, &adev->sdma.ecc_irq, 1449 AMDGPU_SDMA_IRQ_INSTANCE0 + i); 1450 } 1451 } 1452 1453 sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask); 1454 sdma_v4_4_2_inst_enable(adev, false, inst_mask); 1455 1456 return 0; 1457 } 1458 1459 static int sdma_v4_4_2_set_clockgating_state(void *handle, 1460 enum amd_clockgating_state state); 1461 1462 static int sdma_v4_4_2_suspend(void *handle) 1463 { 1464 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1465 1466 if (amdgpu_in_reset(adev)) 1467 sdma_v4_4_2_set_clockgating_state(adev, AMD_CG_STATE_UNGATE); 1468 1469 return sdma_v4_4_2_hw_fini(adev); 1470 } 1471 1472 static int sdma_v4_4_2_resume(void *handle) 1473 { 1474 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1475 1476 return sdma_v4_4_2_hw_init(adev); 1477 } 1478 1479 static bool sdma_v4_4_2_is_idle(void *handle) 1480 { 1481 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1482 u32 i; 1483 1484 for (i = 0; i < adev->sdma.num_instances; i++) { 1485 u32 tmp = RREG32_SDMA(i, regSDMA_STATUS_REG); 1486 1487 if (!(tmp & SDMA_STATUS_REG__IDLE_MASK)) 1488 return false; 1489 } 1490 1491 return true; 1492 } 1493 1494 static int sdma_v4_4_2_wait_for_idle(void *handle) 1495 { 1496 unsigned i, j; 1497 u32 sdma[AMDGPU_MAX_SDMA_INSTANCES]; 1498 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1499 1500 for (i = 0; i < adev->usec_timeout; i++) { 1501 for (j = 0; j < adev->sdma.num_instances; j++) { 1502 sdma[j] = RREG32_SDMA(j, regSDMA_STATUS_REG); 1503 if (!(sdma[j] & SDMA_STATUS_REG__IDLE_MASK)) 1504 break; 1505 } 1506 if (j == adev->sdma.num_instances) 1507 return 0; 1508 udelay(1); 1509 } 1510 return -ETIMEDOUT; 1511 } 1512 1513 static int sdma_v4_4_2_soft_reset(void *handle) 1514 { 1515 /* todo */ 1516 1517 return 0; 1518 } 1519 1520 static int sdma_v4_4_2_set_trap_irq_state(struct amdgpu_device *adev, 1521 struct amdgpu_irq_src *source, 1522 unsigned type, 1523 enum amdgpu_interrupt_state state) 1524 { 1525 u32 sdma_cntl; 1526 1527 sdma_cntl = RREG32_SDMA(type, regSDMA_CNTL); 1528 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA_CNTL, TRAP_ENABLE, 1529 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1530 WREG32_SDMA(type, regSDMA_CNTL, sdma_cntl); 1531 1532 return 0; 1533 } 1534 1535 static int sdma_v4_4_2_process_trap_irq(struct amdgpu_device *adev, 1536 struct amdgpu_irq_src *source, 1537 struct amdgpu_iv_entry *entry) 1538 { 1539 uint32_t instance, i; 1540 1541 DRM_DEBUG("IH: SDMA trap\n"); 1542 instance = sdma_v4_4_2_irq_id_to_seq(entry->client_id); 1543 1544 /* Client id gives the SDMA instance in AID. To know the exact SDMA 1545 * instance, interrupt entry gives the node id which corresponds to the AID instance. 1546 * Match node id with the AID id associated with the SDMA instance. */ 1547 for (i = instance; i < adev->sdma.num_instances; 1548 i += adev->sdma.num_inst_per_aid) { 1549 if (adev->sdma.instance[i].aid_id == 1550 node_id_to_phys_map[entry->node_id]) 1551 break; 1552 } 1553 1554 if (i >= adev->sdma.num_instances) { 1555 dev_WARN_ONCE( 1556 adev->dev, 1, 1557 "Couldn't find the right sdma instance in trap handler"); 1558 return 0; 1559 } 1560 1561 switch (entry->ring_id) { 1562 case 0: 1563 amdgpu_fence_process(&adev->sdma.instance[i].ring); 1564 break; 1565 default: 1566 break; 1567 } 1568 return 0; 1569 } 1570 1571 #if 0 1572 static int sdma_v4_4_2_process_ras_data_cb(struct amdgpu_device *adev, 1573 void *err_data, 1574 struct amdgpu_iv_entry *entry) 1575 { 1576 int instance; 1577 1578 /* When “Full RAS” is enabled, the per-IP interrupt sources should 1579 * be disabled and the driver should only look for the aggregated 1580 * interrupt via sync flood 1581 */ 1582 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) 1583 goto out; 1584 1585 instance = sdma_v4_4_2_irq_id_to_seq(entry->client_id); 1586 if (instance < 0) 1587 goto out; 1588 1589 amdgpu_sdma_process_ras_data_cb(adev, err_data, entry); 1590 1591 out: 1592 return AMDGPU_RAS_SUCCESS; 1593 } 1594 #endif 1595 1596 static int sdma_v4_4_2_process_illegal_inst_irq(struct amdgpu_device *adev, 1597 struct amdgpu_irq_src *source, 1598 struct amdgpu_iv_entry *entry) 1599 { 1600 int instance; 1601 1602 DRM_ERROR("Illegal instruction in SDMA command stream\n"); 1603 1604 instance = sdma_v4_4_2_irq_id_to_seq(entry->client_id); 1605 if (instance < 0) 1606 return 0; 1607 1608 switch (entry->ring_id) { 1609 case 0: 1610 drm_sched_fault(&adev->sdma.instance[instance].ring.sched); 1611 break; 1612 } 1613 return 0; 1614 } 1615 1616 static int sdma_v4_4_2_set_ecc_irq_state(struct amdgpu_device *adev, 1617 struct amdgpu_irq_src *source, 1618 unsigned type, 1619 enum amdgpu_interrupt_state state) 1620 { 1621 u32 sdma_cntl; 1622 1623 sdma_cntl = RREG32_SDMA(type, regSDMA_CNTL); 1624 switch (state) { 1625 case AMDGPU_IRQ_STATE_DISABLE: 1626 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA_CNTL, 1627 DRAM_ECC_INT_ENABLE, 0); 1628 WREG32_SDMA(type, regSDMA_CNTL, sdma_cntl); 1629 break; 1630 /* sdma ecc interrupt is enabled by default 1631 * driver doesn't need to do anything to 1632 * enable the interrupt */ 1633 case AMDGPU_IRQ_STATE_ENABLE: 1634 default: 1635 break; 1636 } 1637 1638 return 0; 1639 } 1640 1641 static int sdma_v4_4_2_print_iv_entry(struct amdgpu_device *adev, 1642 struct amdgpu_iv_entry *entry) 1643 { 1644 int instance; 1645 struct amdgpu_task_info task_info; 1646 u64 addr; 1647 1648 instance = sdma_v4_4_2_irq_id_to_seq(entry->client_id); 1649 if (instance < 0 || instance >= adev->sdma.num_instances) { 1650 dev_err(adev->dev, "sdma instance invalid %d\n", instance); 1651 return -EINVAL; 1652 } 1653 1654 addr = (u64)entry->src_data[0] << 12; 1655 addr |= ((u64)entry->src_data[1] & 0xf) << 44; 1656 1657 memset(&task_info, 0, sizeof(struct amdgpu_task_info)); 1658 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); 1659 1660 dev_dbg_ratelimited(adev->dev, 1661 "[sdma%d] address:0x%016llx src_id:%u ring:%u vmid:%u " 1662 "pasid:%u, for process %s pid %d thread %s pid %d\n", 1663 instance, addr, entry->src_id, entry->ring_id, entry->vmid, 1664 entry->pasid, task_info.process_name, task_info.tgid, 1665 task_info.task_name, task_info.pid); 1666 return 0; 1667 } 1668 1669 static int sdma_v4_4_2_process_vm_hole_irq(struct amdgpu_device *adev, 1670 struct amdgpu_irq_src *source, 1671 struct amdgpu_iv_entry *entry) 1672 { 1673 dev_dbg_ratelimited(adev->dev, "MC or SEM address in VM hole\n"); 1674 sdma_v4_4_2_print_iv_entry(adev, entry); 1675 return 0; 1676 } 1677 1678 static int sdma_v4_4_2_process_doorbell_invalid_irq(struct amdgpu_device *adev, 1679 struct amdgpu_irq_src *source, 1680 struct amdgpu_iv_entry *entry) 1681 { 1682 1683 dev_dbg_ratelimited(adev->dev, "SDMA received a doorbell from BIF with byte_enable !=0xff\n"); 1684 sdma_v4_4_2_print_iv_entry(adev, entry); 1685 return 0; 1686 } 1687 1688 static int sdma_v4_4_2_process_pool_timeout_irq(struct amdgpu_device *adev, 1689 struct amdgpu_irq_src *source, 1690 struct amdgpu_iv_entry *entry) 1691 { 1692 dev_dbg_ratelimited(adev->dev, 1693 "Polling register/memory timeout executing POLL_REG/MEM with finite timer\n"); 1694 sdma_v4_4_2_print_iv_entry(adev, entry); 1695 return 0; 1696 } 1697 1698 static int sdma_v4_4_2_process_srbm_write_irq(struct amdgpu_device *adev, 1699 struct amdgpu_irq_src *source, 1700 struct amdgpu_iv_entry *entry) 1701 { 1702 dev_dbg_ratelimited(adev->dev, 1703 "SDMA gets an Register Write SRBM_WRITE command in non-privilege command buffer\n"); 1704 sdma_v4_4_2_print_iv_entry(adev, entry); 1705 return 0; 1706 } 1707 1708 static void sdma_v4_4_2_inst_update_medium_grain_light_sleep( 1709 struct amdgpu_device *adev, bool enable, uint32_t inst_mask) 1710 { 1711 uint32_t data, def; 1712 int i; 1713 1714 /* leave as default if it is not driver controlled */ 1715 if (!(adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) 1716 return; 1717 1718 if (enable) { 1719 for_each_inst(i, inst_mask) { 1720 /* 1-not override: enable sdma mem light sleep */ 1721 def = data = RREG32_SDMA(i, regSDMA_POWER_CNTL); 1722 data |= SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1723 if (def != data) 1724 WREG32_SDMA(i, regSDMA_POWER_CNTL, data); 1725 } 1726 } else { 1727 for_each_inst(i, inst_mask) { 1728 /* 0-override:disable sdma mem light sleep */ 1729 def = data = RREG32_SDMA(i, regSDMA_POWER_CNTL); 1730 data &= ~SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1731 if (def != data) 1732 WREG32_SDMA(i, regSDMA_POWER_CNTL, data); 1733 } 1734 } 1735 } 1736 1737 static void sdma_v4_4_2_inst_update_medium_grain_clock_gating( 1738 struct amdgpu_device *adev, bool enable, uint32_t inst_mask) 1739 { 1740 uint32_t data, def; 1741 int i; 1742 1743 /* leave as default if it is not driver controlled */ 1744 if (!(adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) 1745 return; 1746 1747 if (enable) { 1748 for_each_inst(i, inst_mask) { 1749 def = data = RREG32_SDMA(i, regSDMA_CLK_CTRL); 1750 data &= ~(SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1751 SDMA_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1752 SDMA_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1753 SDMA_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1754 SDMA_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1755 SDMA_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1756 if (def != data) 1757 WREG32_SDMA(i, regSDMA_CLK_CTRL, data); 1758 } 1759 } else { 1760 for_each_inst(i, inst_mask) { 1761 def = data = RREG32_SDMA(i, regSDMA_CLK_CTRL); 1762 data |= (SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1763 SDMA_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1764 SDMA_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1765 SDMA_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1766 SDMA_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1767 SDMA_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1768 if (def != data) 1769 WREG32_SDMA(i, regSDMA_CLK_CTRL, data); 1770 } 1771 } 1772 } 1773 1774 static int sdma_v4_4_2_set_clockgating_state(void *handle, 1775 enum amd_clockgating_state state) 1776 { 1777 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1778 uint32_t inst_mask; 1779 1780 if (amdgpu_sriov_vf(adev)) 1781 return 0; 1782 1783 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0); 1784 1785 sdma_v4_4_2_inst_update_medium_grain_clock_gating( 1786 adev, state == AMD_CG_STATE_GATE, inst_mask); 1787 sdma_v4_4_2_inst_update_medium_grain_light_sleep( 1788 adev, state == AMD_CG_STATE_GATE, inst_mask); 1789 return 0; 1790 } 1791 1792 static int sdma_v4_4_2_set_powergating_state(void *handle, 1793 enum amd_powergating_state state) 1794 { 1795 return 0; 1796 } 1797 1798 static void sdma_v4_4_2_get_clockgating_state(void *handle, u64 *flags) 1799 { 1800 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1801 int data; 1802 1803 if (amdgpu_sriov_vf(adev)) 1804 *flags = 0; 1805 1806 /* AMD_CG_SUPPORT_SDMA_MGCG */ 1807 data = RREG32(SOC15_REG_OFFSET(SDMA0, GET_INST(SDMA0, 0), regSDMA_CLK_CTRL)); 1808 if (!(data & SDMA_CLK_CTRL__SOFT_OVERRIDE5_MASK)) 1809 *flags |= AMD_CG_SUPPORT_SDMA_MGCG; 1810 1811 /* AMD_CG_SUPPORT_SDMA_LS */ 1812 data = RREG32(SOC15_REG_OFFSET(SDMA0, GET_INST(SDMA0, 0), regSDMA_POWER_CNTL)); 1813 if (data & SDMA_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) 1814 *flags |= AMD_CG_SUPPORT_SDMA_LS; 1815 } 1816 1817 const struct amd_ip_funcs sdma_v4_4_2_ip_funcs = { 1818 .name = "sdma_v4_4_2", 1819 .early_init = sdma_v4_4_2_early_init, 1820 .late_init = sdma_v4_4_2_late_init, 1821 .sw_init = sdma_v4_4_2_sw_init, 1822 .sw_fini = sdma_v4_4_2_sw_fini, 1823 .hw_init = sdma_v4_4_2_hw_init, 1824 .hw_fini = sdma_v4_4_2_hw_fini, 1825 .suspend = sdma_v4_4_2_suspend, 1826 .resume = sdma_v4_4_2_resume, 1827 .is_idle = sdma_v4_4_2_is_idle, 1828 .wait_for_idle = sdma_v4_4_2_wait_for_idle, 1829 .soft_reset = sdma_v4_4_2_soft_reset, 1830 .set_clockgating_state = sdma_v4_4_2_set_clockgating_state, 1831 .set_powergating_state = sdma_v4_4_2_set_powergating_state, 1832 .get_clockgating_state = sdma_v4_4_2_get_clockgating_state, 1833 }; 1834 1835 static const struct amdgpu_ring_funcs sdma_v4_4_2_ring_funcs = { 1836 .type = AMDGPU_RING_TYPE_SDMA, 1837 .align_mask = 0xff, 1838 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1839 .support_64bit_ptrs = true, 1840 .get_rptr = sdma_v4_4_2_ring_get_rptr, 1841 .get_wptr = sdma_v4_4_2_ring_get_wptr, 1842 .set_wptr = sdma_v4_4_2_ring_set_wptr, 1843 .emit_frame_size = 1844 6 + /* sdma_v4_4_2_ring_emit_hdp_flush */ 1845 3 + /* hdp invalidate */ 1846 6 + /* sdma_v4_4_2_ring_emit_pipeline_sync */ 1847 /* sdma_v4_4_2_ring_emit_vm_flush */ 1848 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1849 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + 1850 10 + 10 + 10, /* sdma_v4_4_2_ring_emit_fence x3 for user fence, vm fence */ 1851 .emit_ib_size = 7 + 6, /* sdma_v4_4_2_ring_emit_ib */ 1852 .emit_ib = sdma_v4_4_2_ring_emit_ib, 1853 .emit_fence = sdma_v4_4_2_ring_emit_fence, 1854 .emit_pipeline_sync = sdma_v4_4_2_ring_emit_pipeline_sync, 1855 .emit_vm_flush = sdma_v4_4_2_ring_emit_vm_flush, 1856 .emit_hdp_flush = sdma_v4_4_2_ring_emit_hdp_flush, 1857 .test_ring = sdma_v4_4_2_ring_test_ring, 1858 .test_ib = sdma_v4_4_2_ring_test_ib, 1859 .insert_nop = sdma_v4_4_2_ring_insert_nop, 1860 .pad_ib = sdma_v4_4_2_ring_pad_ib, 1861 .emit_wreg = sdma_v4_4_2_ring_emit_wreg, 1862 .emit_reg_wait = sdma_v4_4_2_ring_emit_reg_wait, 1863 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 1864 }; 1865 1866 static const struct amdgpu_ring_funcs sdma_v4_4_2_page_ring_funcs = { 1867 .type = AMDGPU_RING_TYPE_SDMA, 1868 .align_mask = 0xff, 1869 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1870 .support_64bit_ptrs = true, 1871 .get_rptr = sdma_v4_4_2_ring_get_rptr, 1872 .get_wptr = sdma_v4_4_2_page_ring_get_wptr, 1873 .set_wptr = sdma_v4_4_2_page_ring_set_wptr, 1874 .emit_frame_size = 1875 6 + /* sdma_v4_4_2_ring_emit_hdp_flush */ 1876 3 + /* hdp invalidate */ 1877 6 + /* sdma_v4_4_2_ring_emit_pipeline_sync */ 1878 /* sdma_v4_4_2_ring_emit_vm_flush */ 1879 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1880 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + 1881 10 + 10 + 10, /* sdma_v4_4_2_ring_emit_fence x3 for user fence, vm fence */ 1882 .emit_ib_size = 7 + 6, /* sdma_v4_4_2_ring_emit_ib */ 1883 .emit_ib = sdma_v4_4_2_ring_emit_ib, 1884 .emit_fence = sdma_v4_4_2_ring_emit_fence, 1885 .emit_pipeline_sync = sdma_v4_4_2_ring_emit_pipeline_sync, 1886 .emit_vm_flush = sdma_v4_4_2_ring_emit_vm_flush, 1887 .emit_hdp_flush = sdma_v4_4_2_ring_emit_hdp_flush, 1888 .test_ring = sdma_v4_4_2_ring_test_ring, 1889 .test_ib = sdma_v4_4_2_ring_test_ib, 1890 .insert_nop = sdma_v4_4_2_ring_insert_nop, 1891 .pad_ib = sdma_v4_4_2_ring_pad_ib, 1892 .emit_wreg = sdma_v4_4_2_ring_emit_wreg, 1893 .emit_reg_wait = sdma_v4_4_2_ring_emit_reg_wait, 1894 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 1895 }; 1896 1897 static void sdma_v4_4_2_set_ring_funcs(struct amdgpu_device *adev) 1898 { 1899 int i, dev_inst; 1900 1901 for (i = 0; i < adev->sdma.num_instances; i++) { 1902 adev->sdma.instance[i].ring.funcs = &sdma_v4_4_2_ring_funcs; 1903 adev->sdma.instance[i].ring.me = i; 1904 if (adev->sdma.has_page_queue) { 1905 adev->sdma.instance[i].page.funcs = 1906 &sdma_v4_4_2_page_ring_funcs; 1907 adev->sdma.instance[i].page.me = i; 1908 } 1909 1910 dev_inst = GET_INST(SDMA0, i); 1911 /* AID to which SDMA belongs depends on physical instance */ 1912 adev->sdma.instance[i].aid_id = 1913 dev_inst / adev->sdma.num_inst_per_aid; 1914 } 1915 } 1916 1917 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_trap_irq_funcs = { 1918 .set = sdma_v4_4_2_set_trap_irq_state, 1919 .process = sdma_v4_4_2_process_trap_irq, 1920 }; 1921 1922 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_illegal_inst_irq_funcs = { 1923 .process = sdma_v4_4_2_process_illegal_inst_irq, 1924 }; 1925 1926 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_ecc_irq_funcs = { 1927 .set = sdma_v4_4_2_set_ecc_irq_state, 1928 .process = amdgpu_sdma_process_ecc_irq, 1929 }; 1930 1931 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_vm_hole_irq_funcs = { 1932 .process = sdma_v4_4_2_process_vm_hole_irq, 1933 }; 1934 1935 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_doorbell_invalid_irq_funcs = { 1936 .process = sdma_v4_4_2_process_doorbell_invalid_irq, 1937 }; 1938 1939 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_pool_timeout_irq_funcs = { 1940 .process = sdma_v4_4_2_process_pool_timeout_irq, 1941 }; 1942 1943 static const struct amdgpu_irq_src_funcs sdma_v4_4_2_srbm_write_irq_funcs = { 1944 .process = sdma_v4_4_2_process_srbm_write_irq, 1945 }; 1946 1947 static void sdma_v4_4_2_set_irq_funcs(struct amdgpu_device *adev) 1948 { 1949 adev->sdma.trap_irq.num_types = adev->sdma.num_instances; 1950 adev->sdma.ecc_irq.num_types = adev->sdma.num_instances; 1951 adev->sdma.vm_hole_irq.num_types = adev->sdma.num_instances; 1952 adev->sdma.doorbell_invalid_irq.num_types = adev->sdma.num_instances; 1953 adev->sdma.pool_timeout_irq.num_types = adev->sdma.num_instances; 1954 adev->sdma.srbm_write_irq.num_types = adev->sdma.num_instances; 1955 1956 adev->sdma.trap_irq.funcs = &sdma_v4_4_2_trap_irq_funcs; 1957 adev->sdma.illegal_inst_irq.funcs = &sdma_v4_4_2_illegal_inst_irq_funcs; 1958 adev->sdma.ecc_irq.funcs = &sdma_v4_4_2_ecc_irq_funcs; 1959 adev->sdma.vm_hole_irq.funcs = &sdma_v4_4_2_vm_hole_irq_funcs; 1960 adev->sdma.doorbell_invalid_irq.funcs = &sdma_v4_4_2_doorbell_invalid_irq_funcs; 1961 adev->sdma.pool_timeout_irq.funcs = &sdma_v4_4_2_pool_timeout_irq_funcs; 1962 adev->sdma.srbm_write_irq.funcs = &sdma_v4_4_2_srbm_write_irq_funcs; 1963 } 1964 1965 /** 1966 * sdma_v4_4_2_emit_copy_buffer - copy buffer using the sDMA engine 1967 * 1968 * @ib: indirect buffer to copy to 1969 * @src_offset: src GPU address 1970 * @dst_offset: dst GPU address 1971 * @byte_count: number of bytes to xfer 1972 * @tmz: if a secure copy should be used 1973 * 1974 * Copy GPU buffers using the DMA engine. 1975 * Used by the amdgpu ttm implementation to move pages if 1976 * registered as the asic copy callback. 1977 */ 1978 static void sdma_v4_4_2_emit_copy_buffer(struct amdgpu_ib *ib, 1979 uint64_t src_offset, 1980 uint64_t dst_offset, 1981 uint32_t byte_count, 1982 bool tmz) 1983 { 1984 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1985 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) | 1986 SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0); 1987 ib->ptr[ib->length_dw++] = byte_count - 1; 1988 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1989 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 1990 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 1991 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1992 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1993 } 1994 1995 /** 1996 * sdma_v4_4_2_emit_fill_buffer - fill buffer using the sDMA engine 1997 * 1998 * @ib: indirect buffer to copy to 1999 * @src_data: value to write to buffer 2000 * @dst_offset: dst GPU address 2001 * @byte_count: number of bytes to xfer 2002 * 2003 * Fill GPU buffers using the DMA engine. 2004 */ 2005 static void sdma_v4_4_2_emit_fill_buffer(struct amdgpu_ib *ib, 2006 uint32_t src_data, 2007 uint64_t dst_offset, 2008 uint32_t byte_count) 2009 { 2010 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); 2011 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 2012 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 2013 ib->ptr[ib->length_dw++] = src_data; 2014 ib->ptr[ib->length_dw++] = byte_count - 1; 2015 } 2016 2017 static const struct amdgpu_buffer_funcs sdma_v4_4_2_buffer_funcs = { 2018 .copy_max_bytes = 0x400000, 2019 .copy_num_dw = 7, 2020 .emit_copy_buffer = sdma_v4_4_2_emit_copy_buffer, 2021 2022 .fill_max_bytes = 0x400000, 2023 .fill_num_dw = 5, 2024 .emit_fill_buffer = sdma_v4_4_2_emit_fill_buffer, 2025 }; 2026 2027 static void sdma_v4_4_2_set_buffer_funcs(struct amdgpu_device *adev) 2028 { 2029 adev->mman.buffer_funcs = &sdma_v4_4_2_buffer_funcs; 2030 if (adev->sdma.has_page_queue) 2031 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page; 2032 else 2033 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 2034 } 2035 2036 static const struct amdgpu_vm_pte_funcs sdma_v4_4_2_vm_pte_funcs = { 2037 .copy_pte_num_dw = 7, 2038 .copy_pte = sdma_v4_4_2_vm_copy_pte, 2039 2040 .write_pte = sdma_v4_4_2_vm_write_pte, 2041 .set_pte_pde = sdma_v4_4_2_vm_set_pte_pde, 2042 }; 2043 2044 static void sdma_v4_4_2_set_vm_pte_funcs(struct amdgpu_device *adev) 2045 { 2046 struct drm_gpu_scheduler *sched; 2047 unsigned i; 2048 2049 adev->vm_manager.vm_pte_funcs = &sdma_v4_4_2_vm_pte_funcs; 2050 for (i = 0; i < adev->sdma.num_instances; i++) { 2051 if (adev->sdma.has_page_queue) 2052 sched = &adev->sdma.instance[i].page.sched; 2053 else 2054 sched = &adev->sdma.instance[i].ring.sched; 2055 adev->vm_manager.vm_pte_scheds[i] = sched; 2056 } 2057 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances; 2058 } 2059 2060 const struct amdgpu_ip_block_version sdma_v4_4_2_ip_block = { 2061 .type = AMD_IP_BLOCK_TYPE_SDMA, 2062 .major = 4, 2063 .minor = 4, 2064 .rev = 2, 2065 .funcs = &sdma_v4_4_2_ip_funcs, 2066 }; 2067 2068 static int sdma_v4_4_2_xcp_resume(void *handle, uint32_t inst_mask) 2069 { 2070 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2071 int r; 2072 2073 if (!amdgpu_sriov_vf(adev)) 2074 sdma_v4_4_2_inst_init_golden_registers(adev, inst_mask); 2075 2076 r = sdma_v4_4_2_inst_start(adev, inst_mask); 2077 2078 return r; 2079 } 2080 2081 static int sdma_v4_4_2_xcp_suspend(void *handle, uint32_t inst_mask) 2082 { 2083 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2084 uint32_t tmp_mask = inst_mask; 2085 int i; 2086 2087 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { 2088 for_each_inst(i, tmp_mask) { 2089 amdgpu_irq_put(adev, &adev->sdma.ecc_irq, 2090 AMDGPU_SDMA_IRQ_INSTANCE0 + i); 2091 } 2092 } 2093 2094 sdma_v4_4_2_inst_ctx_switch_enable(adev, false, inst_mask); 2095 sdma_v4_4_2_inst_enable(adev, false, inst_mask); 2096 2097 return 0; 2098 } 2099 2100 struct amdgpu_xcp_ip_funcs sdma_v4_4_2_xcp_funcs = { 2101 .suspend = &sdma_v4_4_2_xcp_suspend, 2102 .resume = &sdma_v4_4_2_xcp_resume 2103 }; 2104 2105 static const struct amdgpu_ras_err_status_reg_entry sdma_v4_2_2_ue_reg_list[] = { 2106 {AMDGPU_RAS_REG_ENTRY(SDMA0, 0, regSDMA_UE_ERR_STATUS_LO, regSDMA_UE_ERR_STATUS_HI), 2107 1, (AMDGPU_RAS_ERR_INFO_VALID | AMDGPU_RAS_ERR_STATUS_VALID), "SDMA"}, 2108 }; 2109 2110 static const struct amdgpu_ras_memory_id_entry sdma_v4_4_2_ras_memory_list[] = { 2111 {AMDGPU_SDMA_MBANK_DATA_BUF0, "SDMA_MBANK_DATA_BUF0"}, 2112 {AMDGPU_SDMA_MBANK_DATA_BUF1, "SDMA_MBANK_DATA_BUF1"}, 2113 {AMDGPU_SDMA_MBANK_DATA_BUF2, "SDMA_MBANK_DATA_BUF2"}, 2114 {AMDGPU_SDMA_MBANK_DATA_BUF3, "SDMA_MBANK_DATA_BUF3"}, 2115 {AMDGPU_SDMA_MBANK_DATA_BUF4, "SDMA_MBANK_DATA_BUF4"}, 2116 {AMDGPU_SDMA_MBANK_DATA_BUF5, "SDMA_MBANK_DATA_BUF5"}, 2117 {AMDGPU_SDMA_MBANK_DATA_BUF6, "SDMA_MBANK_DATA_BUF6"}, 2118 {AMDGPU_SDMA_MBANK_DATA_BUF7, "SDMA_MBANK_DATA_BUF7"}, 2119 {AMDGPU_SDMA_MBANK_DATA_BUF8, "SDMA_MBANK_DATA_BUF8"}, 2120 {AMDGPU_SDMA_MBANK_DATA_BUF9, "SDMA_MBANK_DATA_BUF9"}, 2121 {AMDGPU_SDMA_MBANK_DATA_BUF10, "SDMA_MBANK_DATA_BUF10"}, 2122 {AMDGPU_SDMA_MBANK_DATA_BUF11, "SDMA_MBANK_DATA_BUF11"}, 2123 {AMDGPU_SDMA_MBANK_DATA_BUF12, "SDMA_MBANK_DATA_BUF12"}, 2124 {AMDGPU_SDMA_MBANK_DATA_BUF13, "SDMA_MBANK_DATA_BUF13"}, 2125 {AMDGPU_SDMA_MBANK_DATA_BUF14, "SDMA_MBANK_DATA_BUF14"}, 2126 {AMDGPU_SDMA_MBANK_DATA_BUF15, "SDMA_MBANK_DATA_BUF15"}, 2127 {AMDGPU_SDMA_UCODE_BUF, "SDMA_UCODE_BUF"}, 2128 {AMDGPU_SDMA_RB_CMD_BUF, "SDMA_RB_CMD_BUF"}, 2129 {AMDGPU_SDMA_IB_CMD_BUF, "SDMA_IB_CMD_BUF"}, 2130 {AMDGPU_SDMA_UTCL1_RD_FIFO, "SDMA_UTCL1_RD_FIFO"}, 2131 {AMDGPU_SDMA_UTCL1_RDBST_FIFO, "SDMA_UTCL1_RDBST_FIFO"}, 2132 {AMDGPU_SDMA_UTCL1_WR_FIFO, "SDMA_UTCL1_WR_FIFO"}, 2133 {AMDGPU_SDMA_DATA_LUT_FIFO, "SDMA_DATA_LUT_FIFO"}, 2134 {AMDGPU_SDMA_SPLIT_DAT_BUF, "SDMA_SPLIT_DAT_BUF"}, 2135 }; 2136 2137 static void sdma_v4_4_2_inst_query_ras_error_count(struct amdgpu_device *adev, 2138 uint32_t sdma_inst, 2139 void *ras_err_status) 2140 { 2141 struct ras_err_data *err_data = (struct ras_err_data *)ras_err_status; 2142 uint32_t sdma_dev_inst = GET_INST(SDMA0, sdma_inst); 2143 unsigned long ue_count = 0; 2144 struct amdgpu_smuio_mcm_config_info mcm_info = { 2145 .socket_id = adev->smuio.funcs->get_socket_id(adev), 2146 .die_id = adev->sdma.instance[sdma_inst].aid_id, 2147 }; 2148 2149 /* sdma v4_4_2 doesn't support query ce counts */ 2150 amdgpu_ras_inst_query_ras_error_count(adev, 2151 sdma_v4_2_2_ue_reg_list, 2152 ARRAY_SIZE(sdma_v4_2_2_ue_reg_list), 2153 sdma_v4_4_2_ras_memory_list, 2154 ARRAY_SIZE(sdma_v4_4_2_ras_memory_list), 2155 sdma_dev_inst, 2156 AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE, 2157 &ue_count); 2158 2159 amdgpu_ras_error_statistic_ue_count(err_data, &mcm_info, ue_count); 2160 } 2161 2162 static void sdma_v4_4_2_query_ras_error_count(struct amdgpu_device *adev, 2163 void *ras_err_status) 2164 { 2165 uint32_t inst_mask; 2166 int i = 0; 2167 2168 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0); 2169 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { 2170 for_each_inst(i, inst_mask) 2171 sdma_v4_4_2_inst_query_ras_error_count(adev, i, ras_err_status); 2172 } else { 2173 dev_warn(adev->dev, "SDMA RAS is not supported\n"); 2174 } 2175 } 2176 2177 static void sdma_v4_4_2_inst_reset_ras_error_count(struct amdgpu_device *adev, 2178 uint32_t sdma_inst) 2179 { 2180 uint32_t sdma_dev_inst = GET_INST(SDMA0, sdma_inst); 2181 2182 amdgpu_ras_inst_reset_ras_error_count(adev, 2183 sdma_v4_2_2_ue_reg_list, 2184 ARRAY_SIZE(sdma_v4_2_2_ue_reg_list), 2185 sdma_dev_inst); 2186 } 2187 2188 static void sdma_v4_4_2_reset_ras_error_count(struct amdgpu_device *adev) 2189 { 2190 uint32_t inst_mask; 2191 int i = 0; 2192 2193 inst_mask = GENMASK(adev->sdma.num_instances - 1, 0); 2194 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { 2195 for_each_inst(i, inst_mask) 2196 sdma_v4_4_2_inst_reset_ras_error_count(adev, i); 2197 } else { 2198 dev_warn(adev->dev, "SDMA RAS is not supported\n"); 2199 } 2200 } 2201 2202 static const struct amdgpu_ras_block_hw_ops sdma_v4_4_2_ras_hw_ops = { 2203 .query_ras_error_count = sdma_v4_4_2_query_ras_error_count, 2204 .reset_ras_error_count = sdma_v4_4_2_reset_ras_error_count, 2205 }; 2206 2207 static struct amdgpu_sdma_ras sdma_v4_4_2_ras = { 2208 .ras_block = { 2209 .hw_ops = &sdma_v4_4_2_ras_hw_ops, 2210 }, 2211 }; 2212 2213 static void sdma_v4_4_2_set_ras_funcs(struct amdgpu_device *adev) 2214 { 2215 adev->sdma.ras = &sdma_v4_4_2_ras; 2216 } 2217