1 /* 2 * Copyright 2019 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_ucode.h" 31 #include "amdgpu_trace.h" 32 33 #include "gc/gc_10_3_0_offset.h" 34 #include "gc/gc_10_3_0_sh_mask.h" 35 #include "ivsrcid/sdma0/irqsrcs_sdma0_5_0.h" 36 #include "ivsrcid/sdma1/irqsrcs_sdma1_5_0.h" 37 #include "ivsrcid/sdma2/irqsrcs_sdma2_5_0.h" 38 #include "ivsrcid/sdma3/irqsrcs_sdma3_5_0.h" 39 40 #include "soc15_common.h" 41 #include "soc15.h" 42 #include "navi10_sdma_pkt_open.h" 43 #include "nbio_v2_3.h" 44 #include "sdma_common.h" 45 #include "sdma_v5_2.h" 46 47 MODULE_FIRMWARE("amdgpu/sienna_cichlid_sdma.bin"); 48 MODULE_FIRMWARE("amdgpu/navy_flounder_sdma.bin"); 49 MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_sdma.bin"); 50 MODULE_FIRMWARE("amdgpu/beige_goby_sdma.bin"); 51 52 MODULE_FIRMWARE("amdgpu/vangogh_sdma.bin"); 53 MODULE_FIRMWARE("amdgpu/yellow_carp_sdma.bin"); 54 MODULE_FIRMWARE("amdgpu/sdma_5_2_6.bin"); 55 MODULE_FIRMWARE("amdgpu/sdma_5_2_7.bin"); 56 57 #define SDMA1_REG_OFFSET 0x600 58 #define SDMA3_REG_OFFSET 0x400 59 #define SDMA0_HYP_DEC_REG_START 0x5880 60 #define SDMA0_HYP_DEC_REG_END 0x5893 61 #define SDMA1_HYP_DEC_REG_OFFSET 0x20 62 63 static void sdma_v5_2_set_ring_funcs(struct amdgpu_device *adev); 64 static void sdma_v5_2_set_buffer_funcs(struct amdgpu_device *adev); 65 static void sdma_v5_2_set_vm_pte_funcs(struct amdgpu_device *adev); 66 static void sdma_v5_2_set_irq_funcs(struct amdgpu_device *adev); 67 68 static u32 sdma_v5_2_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset) 69 { 70 u32 base; 71 72 if (internal_offset >= SDMA0_HYP_DEC_REG_START && 73 internal_offset <= SDMA0_HYP_DEC_REG_END) { 74 base = adev->reg_offset[GC_HWIP][0][1]; 75 if (instance != 0) 76 internal_offset += SDMA1_HYP_DEC_REG_OFFSET * instance; 77 } else { 78 if (instance < 2) { 79 base = adev->reg_offset[GC_HWIP][0][0]; 80 if (instance == 1) 81 internal_offset += SDMA1_REG_OFFSET; 82 } else { 83 base = adev->reg_offset[GC_HWIP][0][2]; 84 if (instance == 3) 85 internal_offset += SDMA3_REG_OFFSET; 86 } 87 } 88 89 return base + internal_offset; 90 } 91 92 static unsigned sdma_v5_2_ring_init_cond_exec(struct amdgpu_ring *ring) 93 { 94 unsigned ret; 95 96 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE)); 97 amdgpu_ring_write(ring, lower_32_bits(ring->cond_exe_gpu_addr)); 98 amdgpu_ring_write(ring, upper_32_bits(ring->cond_exe_gpu_addr)); 99 amdgpu_ring_write(ring, 1); 100 ret = ring->wptr & ring->buf_mask;/* this is the offset we need patch later */ 101 amdgpu_ring_write(ring, 0x55aa55aa);/* insert dummy here and patch it later */ 102 103 return ret; 104 } 105 106 static void sdma_v5_2_ring_patch_cond_exec(struct amdgpu_ring *ring, 107 unsigned offset) 108 { 109 unsigned cur; 110 111 BUG_ON(offset > ring->buf_mask); 112 BUG_ON(ring->ring[offset] != 0x55aa55aa); 113 114 cur = (ring->wptr - 1) & ring->buf_mask; 115 if (cur > offset) 116 ring->ring[offset] = cur - offset; 117 else 118 ring->ring[offset] = (ring->buf_mask + 1) - offset + cur; 119 } 120 121 /** 122 * sdma_v5_2_ring_get_rptr - get the current read pointer 123 * 124 * @ring: amdgpu ring pointer 125 * 126 * Get the current rptr from the hardware (NAVI10+). 127 */ 128 static uint64_t sdma_v5_2_ring_get_rptr(struct amdgpu_ring *ring) 129 { 130 u64 *rptr; 131 132 /* XXX check if swapping is necessary on BE */ 133 rptr = (u64 *)ring->rptr_cpu_addr; 134 135 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); 136 return ((*rptr) >> 2); 137 } 138 139 /** 140 * sdma_v5_2_ring_get_wptr - get the current write pointer 141 * 142 * @ring: amdgpu ring pointer 143 * 144 * Get the current wptr from the hardware (NAVI10+). 145 */ 146 static uint64_t sdma_v5_2_ring_get_wptr(struct amdgpu_ring *ring) 147 { 148 struct amdgpu_device *adev = ring->adev; 149 u64 wptr; 150 151 if (ring->use_doorbell) { 152 /* XXX check if swapping is necessary on BE */ 153 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr)); 154 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 155 } else { 156 wptr = RREG32(sdma_v5_2_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI)); 157 wptr = wptr << 32; 158 wptr |= RREG32(sdma_v5_2_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR)); 159 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr); 160 } 161 162 return wptr >> 2; 163 } 164 165 /** 166 * sdma_v5_2_ring_set_wptr - commit the write pointer 167 * 168 * @ring: amdgpu ring pointer 169 * 170 * Write the wptr back to the hardware (NAVI10+). 171 */ 172 static void sdma_v5_2_ring_set_wptr(struct amdgpu_ring *ring) 173 { 174 struct amdgpu_device *adev = ring->adev; 175 176 DRM_DEBUG("Setting write pointer\n"); 177 if (ring->use_doorbell) { 178 DRM_DEBUG("Using doorbell -- " 179 "wptr_offs == 0x%08x " 180 "lower_32_bits(ring->wptr << 2) == 0x%08x " 181 "upper_32_bits(ring->wptr << 2) == 0x%08x\n", 182 ring->wptr_offs, 183 lower_32_bits(ring->wptr << 2), 184 upper_32_bits(ring->wptr << 2)); 185 /* XXX check if swapping is necessary on BE */ 186 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 187 ring->wptr << 2); 188 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 189 ring->doorbell_index, ring->wptr << 2); 190 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 191 } else { 192 DRM_DEBUG("Not using doorbell -- " 193 "mmSDMA%i_GFX_RB_WPTR == 0x%08x " 194 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 195 ring->me, 196 lower_32_bits(ring->wptr << 2), 197 ring->me, 198 upper_32_bits(ring->wptr << 2)); 199 WREG32(sdma_v5_2_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR), 200 lower_32_bits(ring->wptr << 2)); 201 WREG32(sdma_v5_2_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI), 202 upper_32_bits(ring->wptr << 2)); 203 } 204 } 205 206 static void sdma_v5_2_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 207 { 208 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 209 int i; 210 211 for (i = 0; i < count; i++) 212 if (sdma && sdma->burst_nop && (i == 0)) 213 amdgpu_ring_write(ring, ring->funcs->nop | 214 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 215 else 216 amdgpu_ring_write(ring, ring->funcs->nop); 217 } 218 219 /** 220 * sdma_v5_2_ring_emit_ib - Schedule an IB on the DMA engine 221 * 222 * @ring: amdgpu ring pointer 223 * @job: job to retrieve vmid from 224 * @ib: IB object to schedule 225 * @flags: unused 226 * 227 * Schedule an IB in the DMA ring. 228 */ 229 static void sdma_v5_2_ring_emit_ib(struct amdgpu_ring *ring, 230 struct amdgpu_job *job, 231 struct amdgpu_ib *ib, 232 uint32_t flags) 233 { 234 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 235 uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid); 236 237 /* An IB packet must end on a 8 DW boundary--the next dword 238 * must be on a 8-dword boundary. Our IB packet below is 6 239 * dwords long, thus add x number of NOPs, such that, in 240 * modular arithmetic, 241 * wptr + 6 + x = 8k, k >= 0, which in C is, 242 * (wptr + 6 + x) % 8 = 0. 243 * The expression below, is a solution of x. 244 */ 245 sdma_v5_2_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); 246 247 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | 248 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 249 /* base must be 32 byte aligned */ 250 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 251 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 252 amdgpu_ring_write(ring, ib->length_dw); 253 amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr)); 254 amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr)); 255 } 256 257 /** 258 * sdma_v5_2_ring_emit_mem_sync - flush the IB by graphics cache rinse 259 * 260 * @ring: amdgpu ring pointer 261 * 262 * flush the IB by graphics cache rinse. 263 */ 264 static void sdma_v5_2_ring_emit_mem_sync(struct amdgpu_ring *ring) 265 { 266 uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | 267 SDMA_GCR_GLM_INV | SDMA_GCR_GL1_INV | 268 SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV | 269 SDMA_GCR_GLI_INV(1); 270 271 /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */ 272 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ)); 273 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0)); 274 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) | 275 SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0)); 276 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) | 277 SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16)); 278 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) | 279 SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0)); 280 } 281 282 /** 283 * sdma_v5_2_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 284 * 285 * @ring: amdgpu ring pointer 286 * 287 * Emit an hdp flush packet on the requested DMA ring. 288 */ 289 static void sdma_v5_2_ring_emit_hdp_flush(struct amdgpu_ring *ring) 290 { 291 struct amdgpu_device *adev = ring->adev; 292 u32 ref_and_mask = 0; 293 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg; 294 295 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me; 296 297 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 298 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | 299 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 300 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2); 301 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2); 302 amdgpu_ring_write(ring, ref_and_mask); /* reference */ 303 amdgpu_ring_write(ring, ref_and_mask); /* mask */ 304 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 305 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ 306 } 307 308 /** 309 * sdma_v5_2_ring_emit_fence - emit a fence on the DMA ring 310 * 311 * @ring: amdgpu ring pointer 312 * @addr: address 313 * @seq: sequence number 314 * @flags: fence related flags 315 * 316 * Add a DMA fence packet to the ring to write 317 * the fence seq number and DMA trap packet to generate 318 * an interrupt if needed. 319 */ 320 static void sdma_v5_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 321 unsigned flags) 322 { 323 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 324 /* write the fence */ 325 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) | 326 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */ 327 /* zero in first two bits */ 328 BUG_ON(addr & 0x3); 329 amdgpu_ring_write(ring, lower_32_bits(addr)); 330 amdgpu_ring_write(ring, upper_32_bits(addr)); 331 amdgpu_ring_write(ring, lower_32_bits(seq)); 332 333 /* optionally write high bits as well */ 334 if (write64bit) { 335 addr += 4; 336 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) | 337 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); 338 /* zero in first two bits */ 339 BUG_ON(addr & 0x3); 340 amdgpu_ring_write(ring, lower_32_bits(addr)); 341 amdgpu_ring_write(ring, upper_32_bits(addr)); 342 amdgpu_ring_write(ring, upper_32_bits(seq)); 343 } 344 345 if ((flags & AMDGPU_FENCE_FLAG_INT)) { 346 uint32_t ctx = ring->is_mes_queue ? 347 (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0; 348 /* generate an interrupt */ 349 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); 350 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx)); 351 } 352 } 353 354 355 /** 356 * sdma_v5_2_gfx_stop - stop the gfx async dma engines 357 * 358 * @adev: amdgpu_device pointer 359 * 360 * Stop the gfx async dma ring buffers. 361 */ 362 static void sdma_v5_2_gfx_stop(struct amdgpu_device *adev) 363 { 364 u32 rb_cntl, ib_cntl; 365 int i; 366 367 amdgpu_sdma_unset_buffer_funcs_helper(adev); 368 369 for (i = 0; i < adev->sdma.num_instances; i++) { 370 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 371 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); 372 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 373 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 374 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); 375 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 376 } 377 } 378 379 /** 380 * sdma_v5_2_rlc_stop - stop the compute async dma engines 381 * 382 * @adev: amdgpu_device pointer 383 * 384 * Stop the compute async dma queues. 385 */ 386 static void sdma_v5_2_rlc_stop(struct amdgpu_device *adev) 387 { 388 /* XXX todo */ 389 } 390 391 /** 392 * sdma_v5_2_ctx_switch_enable - stop the async dma engines context switch 393 * 394 * @adev: amdgpu_device pointer 395 * @enable: enable/disable the DMA MEs context switch. 396 * 397 * Halt or unhalt the async dma engines context switch. 398 */ 399 static void sdma_v5_2_ctx_switch_enable(struct amdgpu_device *adev, bool enable) 400 { 401 u32 f32_cntl, phase_quantum = 0; 402 int i; 403 404 if (amdgpu_sdma_phase_quantum) { 405 unsigned value = amdgpu_sdma_phase_quantum; 406 unsigned unit = 0; 407 408 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 409 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) { 410 value = (value + 1) >> 1; 411 unit++; 412 } 413 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 414 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) { 415 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 416 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT); 417 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 418 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT); 419 WARN_ONCE(1, 420 "clamping sdma_phase_quantum to %uK clock cycles\n", 421 value << unit); 422 } 423 phase_quantum = 424 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT | 425 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT; 426 } 427 428 for (i = 0; i < adev->sdma.num_instances; i++) { 429 if (enable && amdgpu_sdma_phase_quantum) { 430 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM), 431 phase_quantum); 432 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM), 433 phase_quantum); 434 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM), 435 phase_quantum); 436 } 437 438 if (!amdgpu_sriov_vf(adev)) { 439 f32_cntl = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CNTL)); 440 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, 441 AUTO_CTXSW_ENABLE, enable ? 1 : 0); 442 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl); 443 } 444 } 445 446 } 447 448 /** 449 * sdma_v5_2_enable - stop the async dma engines 450 * 451 * @adev: amdgpu_device pointer 452 * @enable: enable/disable the DMA MEs. 453 * 454 * Halt or unhalt the async dma engines. 455 */ 456 static void sdma_v5_2_enable(struct amdgpu_device *adev, bool enable) 457 { 458 u32 f32_cntl; 459 int i; 460 461 if (!enable) { 462 sdma_v5_2_gfx_stop(adev); 463 sdma_v5_2_rlc_stop(adev); 464 } 465 466 if (!amdgpu_sriov_vf(adev)) { 467 for (i = 0; i < adev->sdma.num_instances; i++) { 468 f32_cntl = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 469 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1); 470 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl); 471 } 472 } 473 } 474 475 /** 476 * sdma_v5_2_gfx_resume - setup and start the async dma engines 477 * 478 * @adev: amdgpu_device pointer 479 * 480 * Set up the gfx DMA ring buffers and enable them. 481 * Returns 0 for success, error for failure. 482 */ 483 static int sdma_v5_2_gfx_resume(struct amdgpu_device *adev) 484 { 485 struct amdgpu_ring *ring; 486 u32 rb_cntl, ib_cntl; 487 u32 rb_bufsz; 488 u32 doorbell; 489 u32 doorbell_offset; 490 u32 temp; 491 u32 wptr_poll_cntl; 492 u64 wptr_gpu_addr; 493 int i, r; 494 495 for (i = 0; i < adev->sdma.num_instances; i++) { 496 ring = &adev->sdma.instance[i].ring; 497 498 if (!amdgpu_sriov_vf(adev)) 499 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0); 500 501 /* Set ring buffer size in dwords */ 502 rb_bufsz = order_base_2(ring->ring_size / 4); 503 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 504 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); 505 #ifdef __BIG_ENDIAN 506 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); 507 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, 508 RPTR_WRITEBACK_SWAP_ENABLE, 1); 509 #endif 510 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 511 512 /* Initialize the ring buffer's read and write pointers */ 513 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0); 514 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0); 515 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0); 516 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0); 517 518 /* setup the wptr shadow polling */ 519 wptr_gpu_addr = ring->wptr_gpu_addr; 520 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO), 521 lower_32_bits(wptr_gpu_addr)); 522 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI), 523 upper_32_bits(wptr_gpu_addr)); 524 wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, 525 mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 526 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, 527 SDMA0_GFX_RB_WPTR_POLL_CNTL, 528 F32_POLL_ENABLE, 1); 529 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL), 530 wptr_poll_cntl); 531 532 /* set the wb address whether it's enabled or not */ 533 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI), 534 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF); 535 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO), 536 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); 537 538 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); 539 540 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE), ring->gpu_addr >> 8); 541 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI), ring->gpu_addr >> 40); 542 543 ring->wptr = 0; 544 545 /* before programing wptr to a less value, need set minor_ptr_update first */ 546 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1); 547 548 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */ 549 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), lower_32_bits(ring->wptr << 2)); 550 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), upper_32_bits(ring->wptr << 2)); 551 } 552 553 doorbell = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL)); 554 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET)); 555 556 if (ring->use_doorbell) { 557 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1); 558 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET, 559 OFFSET, ring->doorbell_index); 560 } else { 561 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0); 562 } 563 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell); 564 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET), doorbell_offset); 565 566 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell, 567 ring->doorbell_index, 568 adev->doorbell_index.sdma_doorbell_range); 569 570 if (amdgpu_sriov_vf(adev)) 571 sdma_v5_2_ring_set_wptr(ring); 572 573 /* set minor_ptr_update to 0 after wptr programed */ 574 575 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0); 576 577 /* SRIOV VF has no control of any of registers below */ 578 if (!amdgpu_sriov_vf(adev)) { 579 /* set utc l1 enable flag always to 1 */ 580 temp = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CNTL)); 581 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1); 582 583 /* enable MCBP */ 584 temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1); 585 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CNTL), temp); 586 587 /* Set up RESP_MODE to non-copy addresses */ 588 temp = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL)); 589 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3); 590 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9); 591 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp); 592 593 /* program default cache read and write policy */ 594 temp = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE)); 595 /* clean read policy and write policy bits */ 596 temp &= 0xFF0FFF; 597 temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | 598 (CACHE_WRITE_POLICY_L2__DEFAULT << 14) | 599 SDMA0_UTCL1_PAGE__LLC_NOALLOC_MASK); 600 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp); 601 602 /* unhalt engine */ 603 temp = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 604 temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0); 605 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp); 606 } 607 608 /* enable DMA RB */ 609 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); 610 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 611 612 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 613 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); 614 #ifdef __BIG_ENDIAN 615 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); 616 #endif 617 /* enable DMA IBs */ 618 WREG32_SOC15_IP(GC, sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 619 620 ring->sched.ready = true; 621 622 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */ 623 sdma_v5_2_ctx_switch_enable(adev, true); 624 sdma_v5_2_enable(adev, true); 625 } 626 627 r = amdgpu_ring_test_ring(ring); 628 if (r) { 629 ring->sched.ready = false; 630 return r; 631 } 632 633 if (adev->mman.buffer_funcs_ring == ring) 634 amdgpu_ttm_set_buffer_funcs_status(adev, true); 635 } 636 637 return 0; 638 } 639 640 /** 641 * sdma_v5_2_rlc_resume - setup and start the async dma engines 642 * 643 * @adev: amdgpu_device pointer 644 * 645 * Set up the compute DMA queues and enable them. 646 * Returns 0 for success, error for failure. 647 */ 648 static int sdma_v5_2_rlc_resume(struct amdgpu_device *adev) 649 { 650 return 0; 651 } 652 653 /** 654 * sdma_v5_2_load_microcode - load the sDMA ME ucode 655 * 656 * @adev: amdgpu_device pointer 657 * 658 * Loads the sDMA0/1/2/3 ucode. 659 * Returns 0 for success, -EINVAL if the ucode is not available. 660 */ 661 static int sdma_v5_2_load_microcode(struct amdgpu_device *adev) 662 { 663 const struct sdma_firmware_header_v1_0 *hdr; 664 const __le32 *fw_data; 665 u32 fw_size; 666 int i, j; 667 668 /* halt the MEs */ 669 sdma_v5_2_enable(adev, false); 670 671 for (i = 0; i < adev->sdma.num_instances; i++) { 672 if (!adev->sdma.instance[i].fw) 673 return -EINVAL; 674 675 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 676 amdgpu_ucode_print_sdma_hdr(&hdr->header); 677 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 678 679 fw_data = (const __le32 *) 680 (adev->sdma.instance[i].fw->data + 681 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 682 683 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0); 684 685 for (j = 0; j < fw_size; j++) { 686 if (amdgpu_emu_mode == 1 && j % 500 == 0) 687 msleep(1); 688 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++)); 689 } 690 691 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version); 692 } 693 694 return 0; 695 } 696 697 static int sdma_v5_2_soft_reset(void *handle) 698 { 699 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 700 u32 grbm_soft_reset; 701 u32 tmp; 702 int i; 703 704 for (i = 0; i < adev->sdma.num_instances; i++) { 705 grbm_soft_reset = REG_SET_FIELD(0, 706 GRBM_SOFT_RESET, SOFT_RESET_SDMA0, 707 1); 708 grbm_soft_reset <<= i; 709 710 tmp = RREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET); 711 tmp |= grbm_soft_reset; 712 DRM_DEBUG("GRBM_SOFT_RESET=0x%08X\n", tmp); 713 WREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET, tmp); 714 tmp = RREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET); 715 716 udelay(50); 717 718 tmp &= ~grbm_soft_reset; 719 WREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET, tmp); 720 tmp = RREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET); 721 722 udelay(50); 723 } 724 725 return 0; 726 } 727 728 /** 729 * sdma_v5_2_start - setup and start the async dma engines 730 * 731 * @adev: amdgpu_device pointer 732 * 733 * Set up the DMA engines and enable them. 734 * Returns 0 for success, error for failure. 735 */ 736 static int sdma_v5_2_start(struct amdgpu_device *adev) 737 { 738 int r = 0; 739 740 if (amdgpu_sriov_vf(adev)) { 741 sdma_v5_2_ctx_switch_enable(adev, false); 742 sdma_v5_2_enable(adev, false); 743 744 /* set RB registers */ 745 r = sdma_v5_2_gfx_resume(adev); 746 return r; 747 } 748 749 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { 750 r = sdma_v5_2_load_microcode(adev); 751 if (r) 752 return r; 753 754 /* The value of mmSDMA_F32_CNTL is invalid the moment after loading fw */ 755 if (amdgpu_emu_mode == 1) 756 msleep(1000); 757 } 758 759 sdma_v5_2_soft_reset(adev); 760 /* unhalt the MEs */ 761 sdma_v5_2_enable(adev, true); 762 /* enable sdma ring preemption */ 763 sdma_v5_2_ctx_switch_enable(adev, true); 764 765 /* start the gfx rings and rlc compute queues */ 766 r = sdma_v5_2_gfx_resume(adev); 767 if (r) 768 return r; 769 r = sdma_v5_2_rlc_resume(adev); 770 771 return r; 772 } 773 774 static int sdma_v5_2_mqd_init(struct amdgpu_device *adev, void *mqd, 775 struct amdgpu_mqd_prop *prop) 776 { 777 struct v10_sdma_mqd *m = mqd; 778 uint64_t wb_gpu_addr; 779 780 m->sdmax_rlcx_rb_cntl = 781 order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | 782 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | 783 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT | 784 1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT; 785 786 m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8); 787 m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8); 788 789 m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_2_get_reg_offset(adev, 0, 790 mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 791 792 wb_gpu_addr = prop->wptr_gpu_addr; 793 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr); 794 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr); 795 796 wb_gpu_addr = prop->rptr_gpu_addr; 797 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr); 798 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr); 799 800 m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_2_get_reg_offset(adev, 0, 801 mmSDMA0_GFX_IB_CNTL)); 802 803 m->sdmax_rlcx_doorbell_offset = 804 prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; 805 806 m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1); 807 808 return 0; 809 } 810 811 static void sdma_v5_2_set_mqd_funcs(struct amdgpu_device *adev) 812 { 813 adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd); 814 adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_2_mqd_init; 815 } 816 817 /** 818 * sdma_v5_2_ring_test_ring - simple async dma engine test 819 * 820 * @ring: amdgpu_ring structure holding ring information 821 * 822 * Test the DMA engine by writing using it to write an 823 * value to memory. 824 * Returns 0 for success, error for failure. 825 */ 826 static int sdma_v5_2_ring_test_ring(struct amdgpu_ring *ring) 827 { 828 struct amdgpu_device *adev = ring->adev; 829 unsigned i; 830 unsigned index; 831 int r; 832 u32 tmp; 833 u64 gpu_addr; 834 volatile uint32_t *cpu_ptr = NULL; 835 836 tmp = 0xCAFEDEAD; 837 838 if (ring->is_mes_queue) { 839 uint32_t offset = 0; 840 offset = amdgpu_mes_ctx_get_offs(ring, 841 AMDGPU_MES_CTX_PADDING_OFFS); 842 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 843 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 844 *cpu_ptr = tmp; 845 } else { 846 r = amdgpu_device_wb_get(adev, &index); 847 if (r) { 848 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); 849 return r; 850 } 851 852 gpu_addr = adev->wb.gpu_addr + (index * 4); 853 adev->wb.wb[index] = cpu_to_le32(tmp); 854 } 855 856 r = amdgpu_ring_alloc(ring, 20); 857 if (r) { 858 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); 859 amdgpu_device_wb_free(adev, index); 860 return r; 861 } 862 863 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 864 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 865 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 866 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 867 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 868 amdgpu_ring_write(ring, 0xDEADBEEF); 869 amdgpu_ring_commit(ring); 870 871 for (i = 0; i < adev->usec_timeout; i++) { 872 if (ring->is_mes_queue) 873 tmp = le32_to_cpu(*cpu_ptr); 874 else 875 tmp = le32_to_cpu(adev->wb.wb[index]); 876 if (tmp == 0xDEADBEEF) 877 break; 878 if (amdgpu_emu_mode == 1) 879 msleep(1); 880 else 881 udelay(1); 882 } 883 884 if (i >= adev->usec_timeout) 885 r = -ETIMEDOUT; 886 887 if (!ring->is_mes_queue) 888 amdgpu_device_wb_free(adev, index); 889 890 return r; 891 } 892 893 /** 894 * sdma_v5_2_ring_test_ib - test an IB on the DMA engine 895 * 896 * @ring: amdgpu_ring structure holding ring information 897 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 898 * 899 * Test a simple IB in the DMA ring. 900 * Returns 0 on success, error on failure. 901 */ 902 static int sdma_v5_2_ring_test_ib(struct amdgpu_ring *ring, long timeout) 903 { 904 struct amdgpu_device *adev = ring->adev; 905 struct amdgpu_ib ib; 906 struct dma_fence *f = NULL; 907 unsigned index; 908 long r; 909 u32 tmp = 0; 910 u64 gpu_addr; 911 volatile uint32_t *cpu_ptr = NULL; 912 913 tmp = 0xCAFEDEAD; 914 memset(&ib, 0, sizeof(ib)); 915 916 if (ring->is_mes_queue) { 917 uint32_t offset = 0; 918 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS); 919 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 920 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 921 922 offset = amdgpu_mes_ctx_get_offs(ring, 923 AMDGPU_MES_CTX_PADDING_OFFS); 924 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 925 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 926 *cpu_ptr = tmp; 927 } else { 928 r = amdgpu_device_wb_get(adev, &index); 929 if (r) { 930 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); 931 return r; 932 } 933 934 gpu_addr = adev->wb.gpu_addr + (index * 4); 935 adev->wb.wb[index] = cpu_to_le32(tmp); 936 937 r = amdgpu_ib_get(adev, NULL, 256, AMDGPU_IB_POOL_DIRECT, &ib); 938 if (r) { 939 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); 940 goto err0; 941 } 942 } 943 944 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 945 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 946 ib.ptr[1] = lower_32_bits(gpu_addr); 947 ib.ptr[2] = upper_32_bits(gpu_addr); 948 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 949 ib.ptr[4] = 0xDEADBEEF; 950 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 951 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 952 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 953 ib.length_dw = 8; 954 955 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 956 if (r) 957 goto err1; 958 959 r = dma_fence_wait_timeout(f, false, timeout); 960 if (r == 0) { 961 DRM_ERROR("amdgpu: IB test timed out\n"); 962 r = -ETIMEDOUT; 963 goto err1; 964 } else if (r < 0) { 965 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 966 goto err1; 967 } 968 969 if (ring->is_mes_queue) 970 tmp = le32_to_cpu(*cpu_ptr); 971 else 972 tmp = le32_to_cpu(adev->wb.wb[index]); 973 974 if (tmp == 0xDEADBEEF) 975 r = 0; 976 else 977 r = -EINVAL; 978 979 err1: 980 amdgpu_ib_free(adev, &ib, NULL); 981 dma_fence_put(f); 982 err0: 983 if (!ring->is_mes_queue) 984 amdgpu_device_wb_free(adev, index); 985 return r; 986 } 987 988 989 /** 990 * sdma_v5_2_vm_copy_pte - update PTEs by copying them from the GART 991 * 992 * @ib: indirect buffer to fill with commands 993 * @pe: addr of the page entry 994 * @src: src addr to copy from 995 * @count: number of page entries to update 996 * 997 * Update PTEs by copying them from the GART using sDMA. 998 */ 999 static void sdma_v5_2_vm_copy_pte(struct amdgpu_ib *ib, 1000 uint64_t pe, uint64_t src, 1001 unsigned count) 1002 { 1003 unsigned bytes = count * 8; 1004 1005 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1006 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1007 ib->ptr[ib->length_dw++] = bytes - 1; 1008 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1009 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1010 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1011 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1012 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1013 1014 } 1015 1016 /** 1017 * sdma_v5_2_vm_write_pte - update PTEs by writing them manually 1018 * 1019 * @ib: indirect buffer to fill with commands 1020 * @pe: addr of the page entry 1021 * @value: dst addr to write into pe 1022 * @count: number of page entries to update 1023 * @incr: increase next addr by incr bytes 1024 * 1025 * Update PTEs by writing them manually using sDMA. 1026 */ 1027 static void sdma_v5_2_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1028 uint64_t value, unsigned count, 1029 uint32_t incr) 1030 { 1031 unsigned ndw = count * 2; 1032 1033 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1034 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1035 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1036 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1037 ib->ptr[ib->length_dw++] = ndw - 1; 1038 for (; ndw > 0; ndw -= 2) { 1039 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1040 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1041 value += incr; 1042 } 1043 } 1044 1045 /** 1046 * sdma_v5_2_vm_set_pte_pde - update the page tables using sDMA 1047 * 1048 * @ib: indirect buffer to fill with commands 1049 * @pe: addr of the page entry 1050 * @addr: dst addr to write into pe 1051 * @count: number of page entries to update 1052 * @incr: increase next addr by incr bytes 1053 * @flags: access flags 1054 * 1055 * Update the page tables using sDMA. 1056 */ 1057 static void sdma_v5_2_vm_set_pte_pde(struct amdgpu_ib *ib, 1058 uint64_t pe, 1059 uint64_t addr, unsigned count, 1060 uint32_t incr, uint64_t flags) 1061 { 1062 /* for physically contiguous pages (vram) */ 1063 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE); 1064 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1065 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1066 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1067 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1068 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1069 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1070 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1071 ib->ptr[ib->length_dw++] = 0; 1072 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1073 } 1074 1075 /** 1076 * sdma_v5_2_ring_pad_ib - pad the IB 1077 * 1078 * @ib: indirect buffer to fill with padding 1079 * @ring: amdgpu_ring structure holding ring information 1080 * 1081 * Pad the IB with NOPs to a boundary multiple of 8. 1082 */ 1083 static void sdma_v5_2_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1084 { 1085 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 1086 u32 pad_count; 1087 int i; 1088 1089 pad_count = (-ib->length_dw) & 0x7; 1090 for (i = 0; i < pad_count; i++) 1091 if (sdma && sdma->burst_nop && (i == 0)) 1092 ib->ptr[ib->length_dw++] = 1093 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | 1094 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1095 else 1096 ib->ptr[ib->length_dw++] = 1097 SDMA_PKT_HEADER_OP(SDMA_OP_NOP); 1098 } 1099 1100 1101 /** 1102 * sdma_v5_2_ring_emit_pipeline_sync - sync the pipeline 1103 * 1104 * @ring: amdgpu_ring pointer 1105 * 1106 * Make sure all previous operations are completed (CIK). 1107 */ 1108 static void sdma_v5_2_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1109 { 1110 uint32_t seq = ring->fence_drv.sync_seq; 1111 uint64_t addr = ring->fence_drv.gpu_addr; 1112 1113 /* wait for idle */ 1114 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1115 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1116 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ 1117 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)); 1118 amdgpu_ring_write(ring, addr & 0xfffffffc); 1119 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); 1120 amdgpu_ring_write(ring, seq); /* reference */ 1121 amdgpu_ring_write(ring, 0xffffffff); /* mask */ 1122 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1123 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ 1124 } 1125 1126 1127 /** 1128 * sdma_v5_2_ring_emit_vm_flush - vm flush using sDMA 1129 * 1130 * @ring: amdgpu_ring pointer 1131 * @vmid: vmid number to use 1132 * @pd_addr: address 1133 * 1134 * Update the page table base and flush the VM TLB 1135 * using sDMA. 1136 */ 1137 static void sdma_v5_2_ring_emit_vm_flush(struct amdgpu_ring *ring, 1138 unsigned vmid, uint64_t pd_addr) 1139 { 1140 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1141 } 1142 1143 static void sdma_v5_2_ring_emit_wreg(struct amdgpu_ring *ring, 1144 uint32_t reg, uint32_t val) 1145 { 1146 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | 1147 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); 1148 amdgpu_ring_write(ring, reg); 1149 amdgpu_ring_write(ring, val); 1150 } 1151 1152 static void sdma_v5_2_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1153 uint32_t val, uint32_t mask) 1154 { 1155 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1156 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1157 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */ 1158 amdgpu_ring_write(ring, reg << 2); 1159 amdgpu_ring_write(ring, 0); 1160 amdgpu_ring_write(ring, val); /* reference */ 1161 amdgpu_ring_write(ring, mask); /* mask */ 1162 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1163 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); 1164 } 1165 1166 static void sdma_v5_2_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, 1167 uint32_t reg0, uint32_t reg1, 1168 uint32_t ref, uint32_t mask) 1169 { 1170 amdgpu_ring_emit_wreg(ring, reg0, ref); 1171 /* wait for a cycle to reset vm_inv_eng*_ack */ 1172 amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0); 1173 amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask); 1174 } 1175 1176 static int sdma_v5_2_early_init(void *handle) 1177 { 1178 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1179 1180 sdma_v5_2_set_ring_funcs(adev); 1181 sdma_v5_2_set_buffer_funcs(adev); 1182 sdma_v5_2_set_vm_pte_funcs(adev); 1183 sdma_v5_2_set_irq_funcs(adev); 1184 sdma_v5_2_set_mqd_funcs(adev); 1185 1186 return 0; 1187 } 1188 1189 static unsigned sdma_v5_2_seq_to_irq_id(int seq_num) 1190 { 1191 switch (seq_num) { 1192 case 0: 1193 return SOC15_IH_CLIENTID_SDMA0; 1194 case 1: 1195 return SOC15_IH_CLIENTID_SDMA1; 1196 case 2: 1197 return SOC15_IH_CLIENTID_SDMA2; 1198 case 3: 1199 return SOC15_IH_CLIENTID_SDMA3_Sienna_Cichlid; 1200 default: 1201 break; 1202 } 1203 return -EINVAL; 1204 } 1205 1206 static unsigned sdma_v5_2_seq_to_trap_id(int seq_num) 1207 { 1208 switch (seq_num) { 1209 case 0: 1210 return SDMA0_5_0__SRCID__SDMA_TRAP; 1211 case 1: 1212 return SDMA1_5_0__SRCID__SDMA_TRAP; 1213 case 2: 1214 return SDMA2_5_0__SRCID__SDMA_TRAP; 1215 case 3: 1216 return SDMA3_5_0__SRCID__SDMA_TRAP; 1217 default: 1218 break; 1219 } 1220 return -EINVAL; 1221 } 1222 1223 static int sdma_v5_2_sw_init(void *handle) 1224 { 1225 struct amdgpu_ring *ring; 1226 int r, i; 1227 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1228 1229 /* SDMA trap event */ 1230 for (i = 0; i < adev->sdma.num_instances; i++) { 1231 r = amdgpu_irq_add_id(adev, sdma_v5_2_seq_to_irq_id(i), 1232 sdma_v5_2_seq_to_trap_id(i), 1233 &adev->sdma.trap_irq); 1234 if (r) 1235 return r; 1236 } 1237 1238 r = amdgpu_sdma_init_microcode(adev, 0, true); 1239 if (r) { 1240 DRM_ERROR("Failed to load sdma firmware!\n"); 1241 return r; 1242 } 1243 1244 for (i = 0; i < adev->sdma.num_instances; i++) { 1245 ring = &adev->sdma.instance[i].ring; 1246 ring->ring_obj = NULL; 1247 ring->use_doorbell = true; 1248 ring->me = i; 1249 1250 DRM_INFO("use_doorbell being set to: [%s]\n", 1251 ring->use_doorbell?"true":"false"); 1252 1253 ring->doorbell_index = 1254 (adev->doorbell_index.sdma_engine[i] << 1); //get DWORD offset 1255 1256 ring->vm_hub = AMDGPU_GFXHUB_0; 1257 sprintf(ring->name, "sdma%d", i); 1258 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq, 1259 AMDGPU_SDMA_IRQ_INSTANCE0 + i, 1260 AMDGPU_RING_PRIO_DEFAULT, NULL); 1261 if (r) 1262 return r; 1263 } 1264 1265 return r; 1266 } 1267 1268 static int sdma_v5_2_sw_fini(void *handle) 1269 { 1270 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1271 int i; 1272 1273 for (i = 0; i < adev->sdma.num_instances; i++) 1274 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1275 1276 amdgpu_sdma_destroy_inst_ctx(adev, true); 1277 1278 return 0; 1279 } 1280 1281 static int sdma_v5_2_hw_init(void *handle) 1282 { 1283 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1284 1285 return sdma_v5_2_start(adev); 1286 } 1287 1288 static int sdma_v5_2_hw_fini(void *handle) 1289 { 1290 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1291 1292 if (amdgpu_sriov_vf(adev)) { 1293 /* disable the scheduler for SDMA */ 1294 amdgpu_sdma_unset_buffer_funcs_helper(adev); 1295 return 0; 1296 } 1297 1298 sdma_v5_2_ctx_switch_enable(adev, false); 1299 sdma_v5_2_enable(adev, false); 1300 1301 return 0; 1302 } 1303 1304 static int sdma_v5_2_suspend(void *handle) 1305 { 1306 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1307 1308 return sdma_v5_2_hw_fini(adev); 1309 } 1310 1311 static int sdma_v5_2_resume(void *handle) 1312 { 1313 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1314 1315 return sdma_v5_2_hw_init(adev); 1316 } 1317 1318 static bool sdma_v5_2_is_idle(void *handle) 1319 { 1320 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1321 u32 i; 1322 1323 for (i = 0; i < adev->sdma.num_instances; i++) { 1324 u32 tmp = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_STATUS_REG)); 1325 1326 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 1327 return false; 1328 } 1329 1330 return true; 1331 } 1332 1333 static int sdma_v5_2_wait_for_idle(void *handle) 1334 { 1335 unsigned i; 1336 u32 sdma0, sdma1, sdma2, sdma3; 1337 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1338 1339 for (i = 0; i < adev->usec_timeout; i++) { 1340 sdma0 = RREG32(sdma_v5_2_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG)); 1341 sdma1 = RREG32(sdma_v5_2_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG)); 1342 sdma2 = RREG32(sdma_v5_2_get_reg_offset(adev, 2, mmSDMA0_STATUS_REG)); 1343 sdma3 = RREG32(sdma_v5_2_get_reg_offset(adev, 3, mmSDMA0_STATUS_REG)); 1344 1345 if (sdma0 & sdma1 & sdma2 & sdma3 & SDMA0_STATUS_REG__IDLE_MASK) 1346 return 0; 1347 udelay(1); 1348 } 1349 return -ETIMEDOUT; 1350 } 1351 1352 static int sdma_v5_2_ring_preempt_ib(struct amdgpu_ring *ring) 1353 { 1354 int i, r = 0; 1355 struct amdgpu_device *adev = ring->adev; 1356 u32 index = 0; 1357 u64 sdma_gfx_preempt; 1358 1359 amdgpu_sdma_get_index_from_ring(ring, &index); 1360 sdma_gfx_preempt = 1361 sdma_v5_2_get_reg_offset(adev, index, mmSDMA0_GFX_PREEMPT); 1362 1363 /* assert preemption condition */ 1364 amdgpu_ring_set_preempt_cond_exec(ring, false); 1365 1366 /* emit the trailing fence */ 1367 ring->trail_seq += 1; 1368 amdgpu_ring_alloc(ring, 10); 1369 sdma_v5_2_ring_emit_fence(ring, ring->trail_fence_gpu_addr, 1370 ring->trail_seq, 0); 1371 amdgpu_ring_commit(ring); 1372 1373 /* assert IB preemption */ 1374 WREG32(sdma_gfx_preempt, 1); 1375 1376 /* poll the trailing fence */ 1377 for (i = 0; i < adev->usec_timeout; i++) { 1378 if (ring->trail_seq == 1379 le32_to_cpu(*(ring->trail_fence_cpu_addr))) 1380 break; 1381 udelay(1); 1382 } 1383 1384 if (i >= adev->usec_timeout) { 1385 r = -EINVAL; 1386 DRM_ERROR("ring %d failed to be preempted\n", ring->idx); 1387 } 1388 1389 /* deassert IB preemption */ 1390 WREG32(sdma_gfx_preempt, 0); 1391 1392 /* deassert the preemption condition */ 1393 amdgpu_ring_set_preempt_cond_exec(ring, true); 1394 return r; 1395 } 1396 1397 static int sdma_v5_2_set_trap_irq_state(struct amdgpu_device *adev, 1398 struct amdgpu_irq_src *source, 1399 unsigned type, 1400 enum amdgpu_interrupt_state state) 1401 { 1402 u32 sdma_cntl; 1403 u32 reg_offset = sdma_v5_2_get_reg_offset(adev, type, mmSDMA0_CNTL); 1404 1405 if (!amdgpu_sriov_vf(adev)) { 1406 sdma_cntl = RREG32(reg_offset); 1407 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1408 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1409 WREG32(reg_offset, sdma_cntl); 1410 } 1411 1412 return 0; 1413 } 1414 1415 static int sdma_v5_2_process_trap_irq(struct amdgpu_device *adev, 1416 struct amdgpu_irq_src *source, 1417 struct amdgpu_iv_entry *entry) 1418 { 1419 uint32_t mes_queue_id = entry->src_data[0]; 1420 1421 DRM_DEBUG("IH: SDMA trap\n"); 1422 1423 if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) { 1424 struct amdgpu_mes_queue *queue; 1425 1426 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK; 1427 1428 spin_lock(&adev->mes.queue_id_lock); 1429 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id); 1430 if (queue) { 1431 DRM_DEBUG("process smda queue id = %d\n", mes_queue_id); 1432 amdgpu_fence_process(queue->ring); 1433 } 1434 spin_unlock(&adev->mes.queue_id_lock); 1435 return 0; 1436 } 1437 1438 switch (entry->client_id) { 1439 case SOC15_IH_CLIENTID_SDMA0: 1440 switch (entry->ring_id) { 1441 case 0: 1442 amdgpu_fence_process(&adev->sdma.instance[0].ring); 1443 break; 1444 case 1: 1445 /* XXX compute */ 1446 break; 1447 case 2: 1448 /* XXX compute */ 1449 break; 1450 case 3: 1451 /* XXX page queue*/ 1452 break; 1453 } 1454 break; 1455 case SOC15_IH_CLIENTID_SDMA1: 1456 switch (entry->ring_id) { 1457 case 0: 1458 amdgpu_fence_process(&adev->sdma.instance[1].ring); 1459 break; 1460 case 1: 1461 /* XXX compute */ 1462 break; 1463 case 2: 1464 /* XXX compute */ 1465 break; 1466 case 3: 1467 /* XXX page queue*/ 1468 break; 1469 } 1470 break; 1471 case SOC15_IH_CLIENTID_SDMA2: 1472 switch (entry->ring_id) { 1473 case 0: 1474 amdgpu_fence_process(&adev->sdma.instance[2].ring); 1475 break; 1476 case 1: 1477 /* XXX compute */ 1478 break; 1479 case 2: 1480 /* XXX compute */ 1481 break; 1482 case 3: 1483 /* XXX page queue*/ 1484 break; 1485 } 1486 break; 1487 case SOC15_IH_CLIENTID_SDMA3_Sienna_Cichlid: 1488 switch (entry->ring_id) { 1489 case 0: 1490 amdgpu_fence_process(&adev->sdma.instance[3].ring); 1491 break; 1492 case 1: 1493 /* XXX compute */ 1494 break; 1495 case 2: 1496 /* XXX compute */ 1497 break; 1498 case 3: 1499 /* XXX page queue*/ 1500 break; 1501 } 1502 break; 1503 } 1504 return 0; 1505 } 1506 1507 static int sdma_v5_2_process_illegal_inst_irq(struct amdgpu_device *adev, 1508 struct amdgpu_irq_src *source, 1509 struct amdgpu_iv_entry *entry) 1510 { 1511 return 0; 1512 } 1513 1514 static void sdma_v5_2_update_medium_grain_clock_gating(struct amdgpu_device *adev, 1515 bool enable) 1516 { 1517 uint32_t data, def; 1518 int i; 1519 1520 for (i = 0; i < adev->sdma.num_instances; i++) { 1521 1522 if (adev->sdma.instance[i].fw_version < 70 && adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(5, 2, 1)) 1523 adev->cg_flags &= ~AMD_CG_SUPPORT_SDMA_MGCG; 1524 1525 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { 1526 /* Enable sdma clock gating */ 1527 def = data = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL)); 1528 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1529 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1530 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1531 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1532 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK | 1533 SDMA0_CLK_CTRL__SOFT_OVERRIDER_REG_MASK); 1534 if (def != data) 1535 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data); 1536 } else { 1537 /* Disable sdma clock gating */ 1538 def = data = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL)); 1539 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1540 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1541 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1542 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1543 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK | 1544 SDMA0_CLK_CTRL__SOFT_OVERRIDER_REG_MASK); 1545 if (def != data) 1546 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data); 1547 } 1548 } 1549 } 1550 1551 static void sdma_v5_2_update_medium_grain_light_sleep(struct amdgpu_device *adev, 1552 bool enable) 1553 { 1554 uint32_t data, def; 1555 int i; 1556 1557 for (i = 0; i < adev->sdma.num_instances; i++) { 1558 1559 if (adev->sdma.instance[i].fw_version < 70 && adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(5, 2, 1)) 1560 adev->cg_flags &= ~AMD_CG_SUPPORT_SDMA_LS; 1561 1562 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { 1563 /* Enable sdma mem light sleep */ 1564 def = data = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL)); 1565 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1566 if (def != data) 1567 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data); 1568 1569 } else { 1570 /* Disable sdma mem light sleep */ 1571 def = data = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL)); 1572 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1573 if (def != data) 1574 WREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data); 1575 1576 } 1577 } 1578 } 1579 1580 static int sdma_v5_2_set_clockgating_state(void *handle, 1581 enum amd_clockgating_state state) 1582 { 1583 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1584 1585 if (amdgpu_sriov_vf(adev)) 1586 return 0; 1587 1588 switch (adev->ip_versions[SDMA0_HWIP][0]) { 1589 case IP_VERSION(5, 2, 0): 1590 case IP_VERSION(5, 2, 2): 1591 case IP_VERSION(5, 2, 1): 1592 case IP_VERSION(5, 2, 4): 1593 case IP_VERSION(5, 2, 5): 1594 case IP_VERSION(5, 2, 6): 1595 case IP_VERSION(5, 2, 3): 1596 sdma_v5_2_update_medium_grain_clock_gating(adev, 1597 state == AMD_CG_STATE_GATE); 1598 sdma_v5_2_update_medium_grain_light_sleep(adev, 1599 state == AMD_CG_STATE_GATE); 1600 break; 1601 default: 1602 break; 1603 } 1604 1605 return 0; 1606 } 1607 1608 static int sdma_v5_2_set_powergating_state(void *handle, 1609 enum amd_powergating_state state) 1610 { 1611 return 0; 1612 } 1613 1614 static void sdma_v5_2_get_clockgating_state(void *handle, u64 *flags) 1615 { 1616 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1617 int data; 1618 1619 if (amdgpu_sriov_vf(adev)) 1620 *flags = 0; 1621 1622 /* AMD_CG_SUPPORT_SDMA_MGCG */ 1623 data = RREG32(sdma_v5_2_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL)); 1624 if (!(data & SDMA0_CLK_CTRL__CGCG_EN_OVERRIDE_MASK)) 1625 *flags |= AMD_CG_SUPPORT_SDMA_MGCG; 1626 1627 /* AMD_CG_SUPPORT_SDMA_LS */ 1628 data = RREG32_KIQ(sdma_v5_2_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL)); 1629 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) 1630 *flags |= AMD_CG_SUPPORT_SDMA_LS; 1631 } 1632 1633 const struct amd_ip_funcs sdma_v5_2_ip_funcs = { 1634 .name = "sdma_v5_2", 1635 .early_init = sdma_v5_2_early_init, 1636 .late_init = NULL, 1637 .sw_init = sdma_v5_2_sw_init, 1638 .sw_fini = sdma_v5_2_sw_fini, 1639 .hw_init = sdma_v5_2_hw_init, 1640 .hw_fini = sdma_v5_2_hw_fini, 1641 .suspend = sdma_v5_2_suspend, 1642 .resume = sdma_v5_2_resume, 1643 .is_idle = sdma_v5_2_is_idle, 1644 .wait_for_idle = sdma_v5_2_wait_for_idle, 1645 .soft_reset = sdma_v5_2_soft_reset, 1646 .set_clockgating_state = sdma_v5_2_set_clockgating_state, 1647 .set_powergating_state = sdma_v5_2_set_powergating_state, 1648 .get_clockgating_state = sdma_v5_2_get_clockgating_state, 1649 }; 1650 1651 static const struct amdgpu_ring_funcs sdma_v5_2_ring_funcs = { 1652 .type = AMDGPU_RING_TYPE_SDMA, 1653 .align_mask = 0xf, 1654 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1655 .support_64bit_ptrs = true, 1656 .secure_submission_supported = true, 1657 .get_rptr = sdma_v5_2_ring_get_rptr, 1658 .get_wptr = sdma_v5_2_ring_get_wptr, 1659 .set_wptr = sdma_v5_2_ring_set_wptr, 1660 .emit_frame_size = 1661 5 + /* sdma_v5_2_ring_init_cond_exec */ 1662 6 + /* sdma_v5_2_ring_emit_hdp_flush */ 1663 3 + /* hdp_invalidate */ 1664 6 + /* sdma_v5_2_ring_emit_pipeline_sync */ 1665 /* sdma_v5_2_ring_emit_vm_flush */ 1666 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1667 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + 1668 10 + 10 + 10, /* sdma_v5_2_ring_emit_fence x3 for user fence, vm fence */ 1669 .emit_ib_size = 7 + 6, /* sdma_v5_2_ring_emit_ib */ 1670 .emit_ib = sdma_v5_2_ring_emit_ib, 1671 .emit_mem_sync = sdma_v5_2_ring_emit_mem_sync, 1672 .emit_fence = sdma_v5_2_ring_emit_fence, 1673 .emit_pipeline_sync = sdma_v5_2_ring_emit_pipeline_sync, 1674 .emit_vm_flush = sdma_v5_2_ring_emit_vm_flush, 1675 .emit_hdp_flush = sdma_v5_2_ring_emit_hdp_flush, 1676 .test_ring = sdma_v5_2_ring_test_ring, 1677 .test_ib = sdma_v5_2_ring_test_ib, 1678 .insert_nop = sdma_v5_2_ring_insert_nop, 1679 .pad_ib = sdma_v5_2_ring_pad_ib, 1680 .emit_wreg = sdma_v5_2_ring_emit_wreg, 1681 .emit_reg_wait = sdma_v5_2_ring_emit_reg_wait, 1682 .emit_reg_write_reg_wait = sdma_v5_2_ring_emit_reg_write_reg_wait, 1683 .init_cond_exec = sdma_v5_2_ring_init_cond_exec, 1684 .patch_cond_exec = sdma_v5_2_ring_patch_cond_exec, 1685 .preempt_ib = sdma_v5_2_ring_preempt_ib, 1686 }; 1687 1688 static void sdma_v5_2_set_ring_funcs(struct amdgpu_device *adev) 1689 { 1690 int i; 1691 1692 for (i = 0; i < adev->sdma.num_instances; i++) { 1693 adev->sdma.instance[i].ring.funcs = &sdma_v5_2_ring_funcs; 1694 adev->sdma.instance[i].ring.me = i; 1695 } 1696 } 1697 1698 static const struct amdgpu_irq_src_funcs sdma_v5_2_trap_irq_funcs = { 1699 .set = sdma_v5_2_set_trap_irq_state, 1700 .process = sdma_v5_2_process_trap_irq, 1701 }; 1702 1703 static const struct amdgpu_irq_src_funcs sdma_v5_2_illegal_inst_irq_funcs = { 1704 .process = sdma_v5_2_process_illegal_inst_irq, 1705 }; 1706 1707 static void sdma_v5_2_set_irq_funcs(struct amdgpu_device *adev) 1708 { 1709 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 + 1710 adev->sdma.num_instances; 1711 adev->sdma.trap_irq.funcs = &sdma_v5_2_trap_irq_funcs; 1712 adev->sdma.illegal_inst_irq.funcs = &sdma_v5_2_illegal_inst_irq_funcs; 1713 } 1714 1715 /** 1716 * sdma_v5_2_emit_copy_buffer - copy buffer using the sDMA engine 1717 * 1718 * @ib: indirect buffer to copy to 1719 * @src_offset: src GPU address 1720 * @dst_offset: dst GPU address 1721 * @byte_count: number of bytes to xfer 1722 * @tmz: if a secure copy should be used 1723 * 1724 * Copy GPU buffers using the DMA engine. 1725 * Used by the amdgpu ttm implementation to move pages if 1726 * registered as the asic copy callback. 1727 */ 1728 static void sdma_v5_2_emit_copy_buffer(struct amdgpu_ib *ib, 1729 uint64_t src_offset, 1730 uint64_t dst_offset, 1731 uint32_t byte_count, 1732 bool tmz) 1733 { 1734 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1735 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) | 1736 SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0); 1737 ib->ptr[ib->length_dw++] = byte_count - 1; 1738 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1739 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 1740 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 1741 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1742 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1743 } 1744 1745 /** 1746 * sdma_v5_2_emit_fill_buffer - fill buffer using the sDMA engine 1747 * 1748 * @ib: indirect buffer to fill 1749 * @src_data: value to write to buffer 1750 * @dst_offset: dst GPU address 1751 * @byte_count: number of bytes to xfer 1752 * 1753 * Fill GPU buffers using the DMA engine. 1754 */ 1755 static void sdma_v5_2_emit_fill_buffer(struct amdgpu_ib *ib, 1756 uint32_t src_data, 1757 uint64_t dst_offset, 1758 uint32_t byte_count) 1759 { 1760 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); 1761 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1762 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1763 ib->ptr[ib->length_dw++] = src_data; 1764 ib->ptr[ib->length_dw++] = byte_count - 1; 1765 } 1766 1767 static const struct amdgpu_buffer_funcs sdma_v5_2_buffer_funcs = { 1768 .copy_max_bytes = 0x400000, 1769 .copy_num_dw = 7, 1770 .emit_copy_buffer = sdma_v5_2_emit_copy_buffer, 1771 1772 .fill_max_bytes = 0x400000, 1773 .fill_num_dw = 5, 1774 .emit_fill_buffer = sdma_v5_2_emit_fill_buffer, 1775 }; 1776 1777 static void sdma_v5_2_set_buffer_funcs(struct amdgpu_device *adev) 1778 { 1779 if (adev->mman.buffer_funcs == NULL) { 1780 adev->mman.buffer_funcs = &sdma_v5_2_buffer_funcs; 1781 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 1782 } 1783 } 1784 1785 static const struct amdgpu_vm_pte_funcs sdma_v5_2_vm_pte_funcs = { 1786 .copy_pte_num_dw = 7, 1787 .copy_pte = sdma_v5_2_vm_copy_pte, 1788 .write_pte = sdma_v5_2_vm_write_pte, 1789 .set_pte_pde = sdma_v5_2_vm_set_pte_pde, 1790 }; 1791 1792 static void sdma_v5_2_set_vm_pte_funcs(struct amdgpu_device *adev) 1793 { 1794 unsigned i; 1795 1796 if (adev->vm_manager.vm_pte_funcs == NULL) { 1797 adev->vm_manager.vm_pte_funcs = &sdma_v5_2_vm_pte_funcs; 1798 for (i = 0; i < adev->sdma.num_instances; i++) { 1799 adev->vm_manager.vm_pte_scheds[i] = 1800 &adev->sdma.instance[i].ring.sched; 1801 } 1802 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances; 1803 } 1804 } 1805 1806 const struct amdgpu_ip_block_version sdma_v5_2_ip_block = { 1807 .type = AMD_IP_BLOCK_TYPE_SDMA, 1808 .major = 5, 1809 .minor = 2, 1810 .rev = 0, 1811 .funcs = &sdma_v5_2_ip_funcs, 1812 }; 1813