1 /* 2 * Copyright 2023 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_12_0_0_offset.h" 34 #include "gc/gc_12_0_0_sh_mask.h" 35 #include "hdp/hdp_6_0_0_offset.h" 36 #include "ivsrcid/gfx/irqsrcs_gfx_11_0_0.h" 37 38 #include "soc15_common.h" 39 #include "soc15.h" 40 #include "sdma_v6_0_0_pkt_open.h" 41 #include "nbio_v4_3.h" 42 #include "sdma_common.h" 43 #include "sdma_v7_0.h" 44 #include "v12_structs.h" 45 46 MODULE_FIRMWARE("amdgpu/sdma_7_0_0.bin"); 47 MODULE_FIRMWARE("amdgpu/sdma_7_0_1.bin"); 48 49 #define SDMA1_REG_OFFSET 0x600 50 #define SDMA0_HYP_DEC_REG_START 0x5880 51 #define SDMA0_HYP_DEC_REG_END 0x589a 52 #define SDMA1_HYP_DEC_REG_OFFSET 0x20 53 54 /*define for compression field for sdma7*/ 55 #define SDMA_PKT_CONSTANT_FILL_HEADER_compress_offset 0 56 #define SDMA_PKT_CONSTANT_FILL_HEADER_compress_mask 0x00000001 57 #define SDMA_PKT_CONSTANT_FILL_HEADER_compress_shift 16 58 #define SDMA_PKT_CONSTANT_FILL_HEADER_COMPRESS(x) (((x) & SDMA_PKT_CONSTANT_FILL_HEADER_compress_mask) << SDMA_PKT_CONSTANT_FILL_HEADER_compress_shift) 59 60 static const struct amdgpu_hwip_reg_entry sdma_reg_list_7_0[] = { 61 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_STATUS_REG), 62 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_STATUS1_REG), 63 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_STATUS2_REG), 64 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_STATUS3_REG), 65 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_STATUS4_REG), 66 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_STATUS5_REG), 67 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_STATUS6_REG), 68 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_UCODE_REV), 69 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_RB_RPTR_FETCH_HI), 70 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_RB_RPTR_FETCH), 71 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_UTCL1_RD_STATUS), 72 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_UTCL1_WR_STATUS), 73 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_UTCL1_RD_XNACK0), 74 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_UTCL1_RD_XNACK1), 75 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_UTCL1_WR_XNACK0), 76 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_UTCL1_WR_XNACK1), 77 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_RB_CNTL), 78 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_RB_RPTR), 79 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_RB_RPTR_HI), 80 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_RB_WPTR), 81 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_RB_WPTR_HI), 82 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_IB_OFFSET), 83 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_IB_BASE_LO), 84 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_IB_BASE_HI), 85 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_IB_CNTL), 86 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_IB_RPTR), 87 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_IB_SUB_REMAIN), 88 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE0_DUMMY_REG), 89 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE_STATUS0), 90 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_RB_CNTL), 91 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_RB_RPTR), 92 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_RB_RPTR_HI), 93 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_RB_WPTR), 94 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_RB_WPTR_HI), 95 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_IB_OFFSET), 96 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_IB_BASE_LO), 97 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_IB_BASE_HI), 98 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_IB_RPTR), 99 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_IB_SUB_REMAIN), 100 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE1_DUMMY_REG), 101 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_RB_CNTL), 102 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_RB_RPTR), 103 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_RB_RPTR_HI), 104 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_RB_WPTR), 105 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_RB_WPTR_HI), 106 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_IB_OFFSET), 107 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_IB_BASE_LO), 108 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_IB_BASE_HI), 109 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_IB_RPTR), 110 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_IB_SUB_REMAIN), 111 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_QUEUE2_DUMMY_REG), 112 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_INT_STATUS), 113 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_VM_CNTL), 114 SOC15_REG_ENTRY_STR(GC, 0, regGRBM_STATUS2), 115 SOC15_REG_ENTRY_STR(GC, 0, regSDMA0_CHICKEN_BITS), 116 }; 117 118 static void sdma_v7_0_set_ring_funcs(struct amdgpu_device *adev); 119 static void sdma_v7_0_set_buffer_funcs(struct amdgpu_device *adev); 120 static void sdma_v7_0_set_vm_pte_funcs(struct amdgpu_device *adev); 121 static void sdma_v7_0_set_irq_funcs(struct amdgpu_device *adev); 122 static int sdma_v7_0_start(struct amdgpu_device *adev); 123 124 static u32 sdma_v7_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset) 125 { 126 u32 base; 127 128 if (internal_offset >= SDMA0_HYP_DEC_REG_START && 129 internal_offset <= SDMA0_HYP_DEC_REG_END) { 130 base = adev->reg_offset[GC_HWIP][0][1]; 131 if (instance != 0) 132 internal_offset += SDMA1_HYP_DEC_REG_OFFSET * instance; 133 } else { 134 base = adev->reg_offset[GC_HWIP][0][0]; 135 if (instance == 1) 136 internal_offset += SDMA1_REG_OFFSET; 137 } 138 139 return base + internal_offset; 140 } 141 142 static unsigned sdma_v7_0_ring_init_cond_exec(struct amdgpu_ring *ring, 143 uint64_t addr) 144 { 145 unsigned ret; 146 147 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_COND_EXE)); 148 amdgpu_ring_write(ring, lower_32_bits(addr)); 149 amdgpu_ring_write(ring, upper_32_bits(addr)); 150 amdgpu_ring_write(ring, 1); 151 /* this is the offset we need patch later */ 152 ret = ring->wptr & ring->buf_mask; 153 /* insert dummy here and patch it later */ 154 amdgpu_ring_write(ring, 0); 155 156 return ret; 157 } 158 159 /** 160 * sdma_v7_0_ring_get_rptr - get the current read pointer 161 * 162 * @ring: amdgpu ring pointer 163 * 164 * Get the current rptr from the hardware. 165 */ 166 static uint64_t sdma_v7_0_ring_get_rptr(struct amdgpu_ring *ring) 167 { 168 u64 *rptr; 169 170 /* XXX check if swapping is necessary on BE */ 171 rptr = (u64 *)ring->rptr_cpu_addr; 172 173 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); 174 return ((*rptr) >> 2); 175 } 176 177 /** 178 * sdma_v7_0_ring_get_wptr - get the current write pointer 179 * 180 * @ring: amdgpu ring pointer 181 * 182 * Get the current wptr from the hardware. 183 */ 184 static uint64_t sdma_v7_0_ring_get_wptr(struct amdgpu_ring *ring) 185 { 186 u64 wptr = 0; 187 188 if (ring->use_doorbell) { 189 /* XXX check if swapping is necessary on BE */ 190 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr)); 191 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 192 } 193 194 return wptr >> 2; 195 } 196 197 /** 198 * sdma_v7_0_ring_set_wptr - commit the write pointer 199 * 200 * @ring: amdgpu ring pointer 201 * 202 * Write the wptr back to the hardware. 203 */ 204 static void sdma_v7_0_ring_set_wptr(struct amdgpu_ring *ring) 205 { 206 struct amdgpu_device *adev = ring->adev; 207 uint32_t *wptr_saved; 208 uint32_t *is_queue_unmap; 209 uint64_t aggregated_db_index; 210 uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size; 211 212 DRM_DEBUG("Setting write pointer\n"); 213 214 if (ring->is_mes_queue) { 215 wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size); 216 is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size + 217 sizeof(uint32_t)); 218 aggregated_db_index = 219 amdgpu_mes_get_aggregated_doorbell_index(adev, 220 ring->hw_prio); 221 222 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 223 ring->wptr << 2); 224 *wptr_saved = ring->wptr << 2; 225 if (*is_queue_unmap) { 226 WDOORBELL64(aggregated_db_index, ring->wptr << 2); 227 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 228 ring->doorbell_index, ring->wptr << 2); 229 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 230 } else { 231 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 232 ring->doorbell_index, ring->wptr << 2); 233 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 234 } 235 } else { 236 if (ring->use_doorbell) { 237 DRM_DEBUG("Using doorbell -- " 238 "wptr_offs == 0x%08x " 239 "lower_32_bits(ring->wptr) << 2 == 0x%08x " 240 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", 241 ring->wptr_offs, 242 lower_32_bits(ring->wptr << 2), 243 upper_32_bits(ring->wptr << 2)); 244 /* XXX check if swapping is necessary on BE */ 245 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 246 ring->wptr << 2); 247 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 248 ring->doorbell_index, ring->wptr << 2); 249 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 250 } else { 251 DRM_DEBUG("Not using doorbell -- " 252 "regSDMA%i_GFX_RB_WPTR == 0x%08x " 253 "regSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 254 ring->me, 255 lower_32_bits(ring->wptr << 2), 256 ring->me, 257 upper_32_bits(ring->wptr << 2)); 258 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, 259 ring->me, 260 regSDMA0_QUEUE0_RB_WPTR), 261 lower_32_bits(ring->wptr << 2)); 262 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, 263 ring->me, 264 regSDMA0_QUEUE0_RB_WPTR_HI), 265 upper_32_bits(ring->wptr << 2)); 266 } 267 } 268 } 269 270 static void sdma_v7_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 271 { 272 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 273 int i; 274 275 for (i = 0; i < count; i++) 276 if (sdma && sdma->burst_nop && (i == 0)) 277 amdgpu_ring_write(ring, ring->funcs->nop | 278 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 279 else 280 amdgpu_ring_write(ring, ring->funcs->nop); 281 } 282 283 /** 284 * sdma_v7_0_ring_emit_ib - Schedule an IB on the DMA engine 285 * 286 * @ring: amdgpu ring pointer 287 * @job: job to retrieve vmid from 288 * @ib: IB object to schedule 289 * @flags: unused 290 * 291 * Schedule an IB in the DMA ring. 292 */ 293 static void sdma_v7_0_ring_emit_ib(struct amdgpu_ring *ring, 294 struct amdgpu_job *job, 295 struct amdgpu_ib *ib, 296 uint32_t flags) 297 { 298 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 299 uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid); 300 301 /* An IB packet must end on a 8 DW boundary--the next dword 302 * must be on a 8-dword boundary. Our IB packet below is 6 303 * dwords long, thus add x number of NOPs, such that, in 304 * modular arithmetic, 305 * wptr + 6 + x = 8k, k >= 0, which in C is, 306 * (wptr + 6 + x) % 8 = 0. 307 * The expression below, is a solution of x. 308 */ 309 sdma_v7_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); 310 311 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_INDIRECT) | 312 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 313 /* base must be 32 byte aligned */ 314 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 315 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 316 amdgpu_ring_write(ring, ib->length_dw); 317 amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr)); 318 amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr)); 319 } 320 321 /** 322 * sdma_v7_0_ring_emit_mem_sync - flush the IB by graphics cache rinse 323 * 324 * @ring: amdgpu ring pointer 325 * 326 * flush the IB by graphics cache rinse. 327 */ 328 static void sdma_v7_0_ring_emit_mem_sync(struct amdgpu_ring *ring) 329 { 330 uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV | 331 SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV | 332 SDMA_GCR_GLI_INV(1); 333 334 /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */ 335 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_GCR_REQ)); 336 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0)); 337 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) | 338 SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0)); 339 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) | 340 SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16)); 341 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) | 342 SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0)); 343 } 344 345 346 /** 347 * sdma_v7_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 348 * 349 * @ring: amdgpu ring pointer 350 * 351 * Emit an hdp flush packet on the requested DMA ring. 352 */ 353 static void sdma_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 354 { 355 struct amdgpu_device *adev = ring->adev; 356 u32 ref_and_mask = 0; 357 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg; 358 359 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me; 360 361 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_POLL_REGMEM) | 362 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | 363 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 364 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2); 365 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2); 366 amdgpu_ring_write(ring, ref_and_mask); /* reference */ 367 amdgpu_ring_write(ring, ref_and_mask); /* mask */ 368 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 369 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ 370 } 371 372 /** 373 * sdma_v7_0_ring_emit_fence - emit a fence on the DMA ring 374 * 375 * @ring: amdgpu ring pointer 376 * @addr: address 377 * @seq: fence seq number 378 * @flags: fence flags 379 * 380 * Add a DMA fence packet to the ring to write 381 * the fence seq number and DMA trap packet to generate 382 * an interrupt if needed. 383 */ 384 static void sdma_v7_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 385 unsigned flags) 386 { 387 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 388 /* write the fence */ 389 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_FENCE) | 390 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */ 391 /* zero in first two bits */ 392 BUG_ON(addr & 0x3); 393 amdgpu_ring_write(ring, lower_32_bits(addr)); 394 amdgpu_ring_write(ring, upper_32_bits(addr)); 395 amdgpu_ring_write(ring, lower_32_bits(seq)); 396 397 /* optionally write high bits as well */ 398 if (write64bit) { 399 addr += 4; 400 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_FENCE) | 401 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); 402 /* zero in first two bits */ 403 BUG_ON(addr & 0x3); 404 amdgpu_ring_write(ring, lower_32_bits(addr)); 405 amdgpu_ring_write(ring, upper_32_bits(addr)); 406 amdgpu_ring_write(ring, upper_32_bits(seq)); 407 } 408 409 if (flags & AMDGPU_FENCE_FLAG_INT) { 410 uint32_t ctx = ring->is_mes_queue ? 411 (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0; 412 /* generate an interrupt */ 413 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_TRAP)); 414 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx)); 415 } 416 } 417 418 /** 419 * sdma_v7_0_gfx_stop - stop the gfx async dma engines 420 * 421 * @adev: amdgpu_device pointer 422 * 423 * Stop the gfx async dma ring buffers. 424 */ 425 static void sdma_v7_0_gfx_stop(struct amdgpu_device *adev) 426 { 427 u32 rb_cntl, ib_cntl; 428 int i; 429 430 for (i = 0; i < adev->sdma.num_instances; i++) { 431 rb_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL)); 432 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_ENABLE, 0); 433 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl); 434 ib_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL)); 435 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_ENABLE, 0); 436 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL), ib_cntl); 437 } 438 } 439 440 /** 441 * sdma_v7_0_rlc_stop - stop the compute async dma engines 442 * 443 * @adev: amdgpu_device pointer 444 * 445 * Stop the compute async dma queues. 446 */ 447 static void sdma_v7_0_rlc_stop(struct amdgpu_device *adev) 448 { 449 /* XXX todo */ 450 } 451 452 /** 453 * sdma_v7_0_ctx_switch_enable - stop the async dma engines context switch 454 * 455 * @adev: amdgpu_device pointer 456 * @enable: enable/disable the DMA MEs context switch. 457 * 458 * Halt or unhalt the async dma engines context switch. 459 */ 460 static void sdma_v7_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) 461 { 462 } 463 464 /** 465 * sdma_v7_0_enable - stop the async dma engines 466 * 467 * @adev: amdgpu_device pointer 468 * @enable: enable/disable the DMA MEs. 469 * 470 * Halt or unhalt the async dma engines. 471 */ 472 static void sdma_v7_0_enable(struct amdgpu_device *adev, bool enable) 473 { 474 u32 mcu_cntl; 475 int i; 476 477 if (!enable) { 478 sdma_v7_0_gfx_stop(adev); 479 sdma_v7_0_rlc_stop(adev); 480 } 481 482 if (amdgpu_sriov_vf(adev)) 483 return; 484 485 for (i = 0; i < adev->sdma.num_instances; i++) { 486 mcu_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL)); 487 mcu_cntl = REG_SET_FIELD(mcu_cntl, SDMA0_MCU_CNTL, HALT, enable ? 0 : 1); 488 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL), mcu_cntl); 489 } 490 } 491 492 /** 493 * sdma_v7_0_gfx_resume - setup and start the async dma engines 494 * 495 * @adev: amdgpu_device pointer 496 * 497 * Set up the gfx DMA ring buffers and enable them. 498 * Returns 0 for success, error for failure. 499 */ 500 static int sdma_v7_0_gfx_resume(struct amdgpu_device *adev) 501 { 502 struct amdgpu_ring *ring; 503 u32 rb_cntl, ib_cntl; 504 u32 rb_bufsz; 505 u32 doorbell; 506 u32 doorbell_offset; 507 u32 tmp; 508 u64 wptr_gpu_addr; 509 int i, r; 510 511 for (i = 0; i < adev->sdma.num_instances; i++) { 512 ring = &adev->sdma.instance[i].ring; 513 514 //if (!amdgpu_sriov_vf(adev)) 515 // WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0); 516 517 /* Set ring buffer size in dwords */ 518 rb_bufsz = order_base_2(ring->ring_size / 4); 519 rb_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL)); 520 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_SIZE, rb_bufsz); 521 #ifdef __BIG_ENDIAN 522 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_SWAP_ENABLE, 1); 523 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, 524 RPTR_WRITEBACK_SWAP_ENABLE, 1); 525 #endif 526 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_PRIV, 1); 527 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl); 528 529 /* Initialize the ring buffer's read and write pointers */ 530 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR), 0); 531 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_HI), 0); 532 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR), 0); 533 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_HI), 0); 534 535 /* setup the wptr shadow polling */ 536 wptr_gpu_addr = ring->wptr_gpu_addr; 537 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_POLL_ADDR_LO), 538 lower_32_bits(wptr_gpu_addr)); 539 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_POLL_ADDR_HI), 540 upper_32_bits(wptr_gpu_addr)); 541 542 /* set the wb address whether it's enabled or not */ 543 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_ADDR_HI), 544 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF); 545 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_ADDR_LO), 546 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); 547 548 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); 549 if (amdgpu_sriov_vf(adev)) 550 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 1); 551 else 552 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 0); 553 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, MCU_WPTR_POLL_ENABLE, 1); 554 555 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_BASE), ring->gpu_addr >> 8); 556 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_BASE_HI), ring->gpu_addr >> 40); 557 558 ring->wptr = 0; 559 560 /* before programing wptr to a less value, need set minor_ptr_update first */ 561 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_MINOR_PTR_UPDATE), 1); 562 563 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */ 564 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR), lower_32_bits(ring->wptr) << 2); 565 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2); 566 } 567 568 doorbell = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL)); 569 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL_OFFSET)); 570 571 if (ring->use_doorbell) { 572 doorbell = REG_SET_FIELD(doorbell, SDMA0_QUEUE0_DOORBELL, ENABLE, 1); 573 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_QUEUE0_DOORBELL_OFFSET, 574 OFFSET, ring->doorbell_index); 575 } else { 576 doorbell = REG_SET_FIELD(doorbell, SDMA0_QUEUE0_DOORBELL, ENABLE, 0); 577 } 578 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL), doorbell); 579 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL_OFFSET), doorbell_offset); 580 581 if (i == 0) 582 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell, 583 ring->doorbell_index, 584 adev->doorbell_index.sdma_doorbell_range * adev->sdma.num_instances); 585 586 if (amdgpu_sriov_vf(adev)) 587 sdma_v7_0_ring_set_wptr(ring); 588 589 /* set minor_ptr_update to 0 after wptr programed */ 590 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_MINOR_PTR_UPDATE), 0); 591 592 /* Set up sdma hang watchdog */ 593 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_WATCHDOG_CNTL)); 594 /* 100ms per unit */ 595 tmp = REG_SET_FIELD(tmp, SDMA0_WATCHDOG_CNTL, QUEUE_HANG_COUNT, 596 max(adev->usec_timeout/100000, 1)); 597 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_WATCHDOG_CNTL), tmp); 598 599 /* Set up RESP_MODE to non-copy addresses */ 600 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_UTCL1_CNTL)); 601 tmp = REG_SET_FIELD(tmp, SDMA0_UTCL1_CNTL, RESP_MODE, 3); 602 tmp = REG_SET_FIELD(tmp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9); 603 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_UTCL1_CNTL), tmp); 604 605 /* program default cache read and write policy */ 606 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_UTCL1_PAGE)); 607 /* clean read policy and write policy bits */ 608 tmp &= 0xFF0FFF; 609 tmp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | 610 (CACHE_WRITE_POLICY_L2__DEFAULT << 14)); 611 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_UTCL1_PAGE), tmp); 612 613 if (!amdgpu_sriov_vf(adev)) { 614 /* unhalt engine */ 615 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL)); 616 tmp = REG_SET_FIELD(tmp, SDMA0_MCU_CNTL, HALT, 0); 617 tmp = REG_SET_FIELD(tmp, SDMA0_MCU_CNTL, RESET, 0); 618 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL), tmp); 619 } 620 621 /* enable DMA RB */ 622 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_ENABLE, 1); 623 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl); 624 625 ib_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL)); 626 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_ENABLE, 1); 627 #ifdef __BIG_ENDIAN 628 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_SWAP_ENABLE, 1); 629 #endif 630 /* enable DMA IBs */ 631 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL), ib_cntl); 632 633 ring->sched.ready = true; 634 635 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */ 636 sdma_v7_0_ctx_switch_enable(adev, true); 637 sdma_v7_0_enable(adev, true); 638 } 639 640 r = amdgpu_ring_test_helper(ring); 641 if (r) { 642 ring->sched.ready = false; 643 return r; 644 } 645 646 } 647 648 return 0; 649 } 650 651 /** 652 * sdma_v7_0_rlc_resume - setup and start the async dma engines 653 * 654 * @adev: amdgpu_device pointer 655 * 656 * Set up the compute DMA queues and enable them. 657 * Returns 0 for success, error for failure. 658 */ 659 static int sdma_v7_0_rlc_resume(struct amdgpu_device *adev) 660 { 661 return 0; 662 } 663 664 static void sdma_v12_0_free_ucode_buffer(struct amdgpu_device *adev) 665 { 666 int i; 667 668 for (i = 0; i < adev->sdma.num_instances; i++) { 669 amdgpu_bo_free_kernel(&adev->sdma.instance[i].sdma_fw_obj, 670 &adev->sdma.instance[i].sdma_fw_gpu_addr, 671 (void **)&adev->sdma.instance[i].sdma_fw_ptr); 672 } 673 } 674 675 /** 676 * sdma_v7_0_load_microcode - load the sDMA ME ucode 677 * 678 * @adev: amdgpu_device pointer 679 * 680 * Loads the sDMA0/1 ucode. 681 * Returns 0 for success, -EINVAL if the ucode is not available. 682 */ 683 static int sdma_v7_0_load_microcode(struct amdgpu_device *adev) 684 { 685 const struct sdma_firmware_header_v3_0 *hdr; 686 const __le32 *fw_data; 687 u32 fw_size; 688 uint32_t tmp, sdma_status, ic_op_cntl; 689 int i, r, j; 690 691 /* halt the MEs */ 692 sdma_v7_0_enable(adev, false); 693 694 if (!adev->sdma.instance[0].fw) 695 return -EINVAL; 696 697 hdr = (const struct sdma_firmware_header_v3_0 *) 698 adev->sdma.instance[0].fw->data; 699 amdgpu_ucode_print_sdma_hdr(&hdr->header); 700 701 fw_data = (const __le32 *)(adev->sdma.instance[0].fw->data + 702 le32_to_cpu(hdr->ucode_offset_bytes)); 703 fw_size = le32_to_cpu(hdr->ucode_size_bytes); 704 705 for (i = 0; i < adev->sdma.num_instances; i++) { 706 r = amdgpu_bo_create_reserved(adev, fw_size, 707 PAGE_SIZE, 708 AMDGPU_GEM_DOMAIN_VRAM, 709 &adev->sdma.instance[i].sdma_fw_obj, 710 &adev->sdma.instance[i].sdma_fw_gpu_addr, 711 (void **)&adev->sdma.instance[i].sdma_fw_ptr); 712 if (r) { 713 dev_err(adev->dev, "(%d) failed to create sdma ucode bo\n", r); 714 return r; 715 } 716 717 memcpy(adev->sdma.instance[i].sdma_fw_ptr, fw_data, fw_size); 718 719 amdgpu_bo_kunmap(adev->sdma.instance[i].sdma_fw_obj); 720 amdgpu_bo_unreserve(adev->sdma.instance[i].sdma_fw_obj); 721 722 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_CNTL)); 723 tmp = REG_SET_FIELD(tmp, SDMA0_IC_CNTL, GPA, 0); 724 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_CNTL), tmp); 725 726 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_BASE_LO), 727 lower_32_bits(adev->sdma.instance[i].sdma_fw_gpu_addr)); 728 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_BASE_HI), 729 upper_32_bits(adev->sdma.instance[i].sdma_fw_gpu_addr)); 730 731 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_OP_CNTL)); 732 tmp = REG_SET_FIELD(tmp, SDMA0_IC_OP_CNTL, PRIME_ICACHE, 1); 733 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_OP_CNTL), tmp); 734 735 /* Wait for sdma ucode init complete */ 736 for (j = 0; j < adev->usec_timeout; j++) { 737 ic_op_cntl = RREG32_SOC15_IP(GC, 738 sdma_v7_0_get_reg_offset(adev, i, regSDMA0_IC_OP_CNTL)); 739 sdma_status = RREG32_SOC15_IP(GC, 740 sdma_v7_0_get_reg_offset(adev, i, regSDMA0_STATUS_REG)); 741 if ((REG_GET_FIELD(ic_op_cntl, SDMA0_IC_OP_CNTL, ICACHE_PRIMED) == 1) && 742 (REG_GET_FIELD(sdma_status, SDMA0_STATUS_REG, UCODE_INIT_DONE) == 1)) 743 break; 744 udelay(1); 745 } 746 747 if (j >= adev->usec_timeout) { 748 dev_err(adev->dev, "failed to init sdma ucode\n"); 749 return -EINVAL; 750 } 751 } 752 753 return 0; 754 } 755 756 static int sdma_v7_0_soft_reset(struct amdgpu_ip_block *ip_block) 757 { 758 struct amdgpu_device *adev = ip_block->adev; 759 u32 tmp; 760 int i; 761 762 sdma_v7_0_gfx_stop(adev); 763 764 for (i = 0; i < adev->sdma.num_instances; i++) { 765 //tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_FREEZE)); 766 //tmp |= SDMA0_FREEZE__FREEZE_MASK; 767 //WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_FREEZE), tmp); 768 tmp = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL)); 769 tmp |= SDMA0_MCU_CNTL__HALT_MASK; 770 tmp |= SDMA0_MCU_CNTL__RESET_MASK; 771 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_MCU_CNTL), tmp); 772 773 WREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_PREEMPT), 0); 774 775 udelay(100); 776 777 tmp = GRBM_SOFT_RESET__SOFT_RESET_SDMA0_MASK << i; 778 WREG32_SOC15(GC, 0, regGRBM_SOFT_RESET, tmp); 779 tmp = RREG32_SOC15(GC, 0, regGRBM_SOFT_RESET); 780 781 udelay(100); 782 783 WREG32_SOC15(GC, 0, regGRBM_SOFT_RESET, 0); 784 tmp = RREG32_SOC15(GC, 0, regGRBM_SOFT_RESET); 785 786 udelay(100); 787 } 788 789 return sdma_v7_0_start(adev); 790 } 791 792 static bool sdma_v7_0_check_soft_reset(struct amdgpu_ip_block *ip_block) 793 { 794 struct amdgpu_device *adev = ip_block->adev; 795 struct amdgpu_ring *ring; 796 int i, r; 797 long tmo = msecs_to_jiffies(1000); 798 799 for (i = 0; i < adev->sdma.num_instances; i++) { 800 ring = &adev->sdma.instance[i].ring; 801 r = amdgpu_ring_test_ib(ring, tmo); 802 if (r) 803 return true; 804 } 805 806 return false; 807 } 808 809 /** 810 * sdma_v7_0_start - setup and start the async dma engines 811 * 812 * @adev: amdgpu_device pointer 813 * 814 * Set up the DMA engines and enable them. 815 * Returns 0 for success, error for failure. 816 */ 817 static int sdma_v7_0_start(struct amdgpu_device *adev) 818 { 819 int r = 0; 820 821 if (amdgpu_sriov_vf(adev)) { 822 sdma_v7_0_ctx_switch_enable(adev, false); 823 sdma_v7_0_enable(adev, false); 824 825 /* set RB registers */ 826 r = sdma_v7_0_gfx_resume(adev); 827 return r; 828 } 829 830 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { 831 r = sdma_v7_0_load_microcode(adev); 832 if (r) { 833 sdma_v12_0_free_ucode_buffer(adev); 834 return r; 835 } 836 837 if (amdgpu_emu_mode == 1) 838 msleep(1000); 839 } 840 841 /* unhalt the MEs */ 842 sdma_v7_0_enable(adev, true); 843 /* enable sdma ring preemption */ 844 sdma_v7_0_ctx_switch_enable(adev, true); 845 846 /* start the gfx rings and rlc compute queues */ 847 r = sdma_v7_0_gfx_resume(adev); 848 if (r) 849 return r; 850 r = sdma_v7_0_rlc_resume(adev); 851 852 return r; 853 } 854 855 static int sdma_v7_0_mqd_init(struct amdgpu_device *adev, void *mqd, 856 struct amdgpu_mqd_prop *prop) 857 { 858 struct v12_sdma_mqd *m = mqd; 859 uint64_t wb_gpu_addr; 860 861 m->sdmax_rlcx_rb_cntl = 862 order_base_2(prop->queue_size / 4) << SDMA0_QUEUE0_RB_CNTL__RB_SIZE__SHIFT | 863 1 << SDMA0_QUEUE0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | 864 4 << SDMA0_QUEUE0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT | 865 1 << SDMA0_QUEUE0_RB_CNTL__MCU_WPTR_POLL_ENABLE__SHIFT; 866 867 m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8); 868 m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8); 869 870 wb_gpu_addr = prop->wptr_gpu_addr; 871 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr); 872 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr); 873 874 wb_gpu_addr = prop->rptr_gpu_addr; 875 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr); 876 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr); 877 878 m->sdmax_rlcx_ib_cntl = RREG32_SOC15_IP(GC, sdma_v7_0_get_reg_offset(adev, 0, 879 regSDMA0_QUEUE0_IB_CNTL)); 880 881 m->sdmax_rlcx_doorbell_offset = 882 prop->doorbell_index << SDMA0_QUEUE0_DOORBELL_OFFSET__OFFSET__SHIFT; 883 884 m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_QUEUE0_DOORBELL, ENABLE, 1); 885 886 m->sdmax_rlcx_doorbell_log = 0; 887 m->sdmax_rlcx_rb_aql_cntl = 0x4000; //regSDMA0_QUEUE0_RB_AQL_CNTL_DEFAULT; 888 m->sdmax_rlcx_dummy_reg = 0xf; //regSDMA0_QUEUE0_DUMMY_REG_DEFAULT; 889 890 return 0; 891 } 892 893 static void sdma_v7_0_set_mqd_funcs(struct amdgpu_device *adev) 894 { 895 adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v12_sdma_mqd); 896 adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v7_0_mqd_init; 897 } 898 899 /** 900 * sdma_v7_0_ring_test_ring - simple async dma engine test 901 * 902 * @ring: amdgpu_ring structure holding ring information 903 * 904 * Test the DMA engine by writing using it to write an 905 * value to memory. 906 * Returns 0 for success, error for failure. 907 */ 908 static int sdma_v7_0_ring_test_ring(struct amdgpu_ring *ring) 909 { 910 struct amdgpu_device *adev = ring->adev; 911 unsigned i; 912 unsigned index; 913 int r; 914 u32 tmp; 915 u64 gpu_addr; 916 volatile uint32_t *cpu_ptr = NULL; 917 918 tmp = 0xCAFEDEAD; 919 920 if (ring->is_mes_queue) { 921 uint32_t offset = 0; 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, "(%d) 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 } 937 938 r = amdgpu_ring_alloc(ring, 5); 939 if (r) { 940 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); 941 if (!ring->is_mes_queue) 942 amdgpu_device_wb_free(adev, index); 943 return r; 944 } 945 946 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) | 947 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 948 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 949 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 950 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 951 amdgpu_ring_write(ring, 0xDEADBEEF); 952 amdgpu_ring_commit(ring); 953 954 for (i = 0; i < adev->usec_timeout; i++) { 955 if (ring->is_mes_queue) 956 tmp = le32_to_cpu(*cpu_ptr); 957 else 958 tmp = le32_to_cpu(adev->wb.wb[index]); 959 if (tmp == 0xDEADBEEF) 960 break; 961 if (amdgpu_emu_mode == 1) 962 msleep(1); 963 else 964 udelay(1); 965 } 966 967 if (i >= adev->usec_timeout) 968 r = -ETIMEDOUT; 969 970 if (!ring->is_mes_queue) 971 amdgpu_device_wb_free(adev, index); 972 973 return r; 974 } 975 976 /** 977 * sdma_v7_0_ring_test_ib - test an IB on the DMA engine 978 * 979 * @ring: amdgpu_ring structure holding ring information 980 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 981 * 982 * Test a simple IB in the DMA ring. 983 * Returns 0 on success, error on failure. 984 */ 985 static int sdma_v7_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) 986 { 987 struct amdgpu_device *adev = ring->adev; 988 struct amdgpu_ib ib; 989 struct dma_fence *f = NULL; 990 unsigned index; 991 long r; 992 u32 tmp = 0; 993 u64 gpu_addr; 994 volatile uint32_t *cpu_ptr = NULL; 995 996 tmp = 0xCAFEDEAD; 997 memset(&ib, 0, sizeof(ib)); 998 999 if (ring->is_mes_queue) { 1000 uint32_t offset = 0; 1001 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS); 1002 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1003 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1004 1005 offset = amdgpu_mes_ctx_get_offs(ring, 1006 AMDGPU_MES_CTX_PADDING_OFFS); 1007 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1008 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1009 *cpu_ptr = tmp; 1010 } else { 1011 r = amdgpu_device_wb_get(adev, &index); 1012 if (r) { 1013 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); 1014 return r; 1015 } 1016 1017 gpu_addr = adev->wb.gpu_addr + (index * 4); 1018 adev->wb.wb[index] = cpu_to_le32(tmp); 1019 1020 r = amdgpu_ib_get(adev, NULL, 256, AMDGPU_IB_POOL_DIRECT, &ib); 1021 if (r) { 1022 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); 1023 goto err0; 1024 } 1025 } 1026 1027 ib.ptr[0] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) | 1028 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1029 ib.ptr[1] = lower_32_bits(gpu_addr); 1030 ib.ptr[2] = upper_32_bits(gpu_addr); 1031 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 1032 ib.ptr[4] = 0xDEADBEEF; 1033 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1034 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1035 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1036 ib.length_dw = 8; 1037 1038 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 1039 if (r) 1040 goto err1; 1041 1042 r = dma_fence_wait_timeout(f, false, timeout); 1043 if (r == 0) { 1044 DRM_ERROR("amdgpu: IB test timed out\n"); 1045 r = -ETIMEDOUT; 1046 goto err1; 1047 } else if (r < 0) { 1048 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 1049 goto err1; 1050 } 1051 1052 if (ring->is_mes_queue) 1053 tmp = le32_to_cpu(*cpu_ptr); 1054 else 1055 tmp = le32_to_cpu(adev->wb.wb[index]); 1056 1057 if (tmp == 0xDEADBEEF) 1058 r = 0; 1059 else 1060 r = -EINVAL; 1061 1062 err1: 1063 amdgpu_ib_free(adev, &ib, NULL); 1064 dma_fence_put(f); 1065 err0: 1066 if (!ring->is_mes_queue) 1067 amdgpu_device_wb_free(adev, index); 1068 return r; 1069 } 1070 1071 1072 /** 1073 * sdma_v7_0_vm_copy_pte - update PTEs by copying them from the GART 1074 * 1075 * @ib: indirect buffer to fill with commands 1076 * @pe: addr of the page entry 1077 * @src: src addr to copy from 1078 * @count: number of page entries to update 1079 * 1080 * Update PTEs by copying them from the GART using sDMA. 1081 */ 1082 static void sdma_v7_0_vm_copy_pte(struct amdgpu_ib *ib, 1083 uint64_t pe, uint64_t src, 1084 unsigned count) 1085 { 1086 unsigned bytes = count * 8; 1087 1088 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_COPY) | 1089 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) | 1090 SDMA_PKT_COPY_LINEAR_HEADER_CPV(1); 1091 1092 ib->ptr[ib->length_dw++] = bytes - 1; 1093 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1094 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1095 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1096 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1097 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1098 ib->ptr[ib->length_dw++] = 0; 1099 1100 } 1101 1102 /** 1103 * sdma_v7_0_vm_write_pte - update PTEs by writing them manually 1104 * 1105 * @ib: indirect buffer to fill with commands 1106 * @pe: addr of the page entry 1107 * @value: dst addr to write into pe 1108 * @count: number of page entries to update 1109 * @incr: increase next addr by incr bytes 1110 * 1111 * Update PTEs by writing them manually using sDMA. 1112 */ 1113 static void sdma_v7_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1114 uint64_t value, unsigned count, 1115 uint32_t incr) 1116 { 1117 unsigned ndw = count * 2; 1118 1119 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) | 1120 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1121 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1122 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1123 ib->ptr[ib->length_dw++] = ndw - 1; 1124 for (; ndw > 0; ndw -= 2) { 1125 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1126 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1127 value += incr; 1128 } 1129 } 1130 1131 /** 1132 * sdma_v7_0_vm_set_pte_pde - update the page tables using sDMA 1133 * 1134 * @ib: indirect buffer to fill with commands 1135 * @pe: addr of the page entry 1136 * @addr: dst addr to write into pe 1137 * @count: number of page entries to update 1138 * @incr: increase next addr by incr bytes 1139 * @flags: access flags 1140 * 1141 * Update the page tables using sDMA. 1142 */ 1143 static void sdma_v7_0_vm_set_pte_pde(struct amdgpu_ib *ib, 1144 uint64_t pe, 1145 uint64_t addr, unsigned count, 1146 uint32_t incr, uint64_t flags) 1147 { 1148 /* for physically contiguous pages (vram) */ 1149 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_PTEPDE); 1150 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1151 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1152 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1153 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1154 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1155 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1156 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1157 ib->ptr[ib->length_dw++] = 0; 1158 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1159 } 1160 1161 /** 1162 * sdma_v7_0_ring_pad_ib - pad the IB 1163 * 1164 * @ring: amdgpu ring pointer 1165 * @ib: indirect buffer to fill with padding 1166 * 1167 * Pad the IB with NOPs to a boundary multiple of 8. 1168 */ 1169 static void sdma_v7_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1170 { 1171 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 1172 u32 pad_count; 1173 int i; 1174 1175 pad_count = (-ib->length_dw) & 0x7; 1176 for (i = 0; i < pad_count; i++) 1177 if (sdma && sdma->burst_nop && (i == 0)) 1178 ib->ptr[ib->length_dw++] = 1179 SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_NOP) | 1180 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1181 else 1182 ib->ptr[ib->length_dw++] = 1183 SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_NOP); 1184 } 1185 1186 /** 1187 * sdma_v7_0_ring_emit_pipeline_sync - sync the pipeline 1188 * 1189 * @ring: amdgpu_ring pointer 1190 * 1191 * Make sure all previous operations are completed (CIK). 1192 */ 1193 static void sdma_v7_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1194 { 1195 uint32_t seq = ring->fence_drv.sync_seq; 1196 uint64_t addr = ring->fence_drv.gpu_addr; 1197 1198 /* wait for idle */ 1199 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1200 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1201 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ 1202 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)); 1203 amdgpu_ring_write(ring, addr & 0xfffffffc); 1204 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); 1205 amdgpu_ring_write(ring, seq); /* reference */ 1206 amdgpu_ring_write(ring, 0xffffffff); /* mask */ 1207 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1208 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ 1209 } 1210 1211 /** 1212 * sdma_v7_0_ring_emit_vm_flush - vm flush using sDMA 1213 * 1214 * @ring: amdgpu_ring pointer 1215 * @vmid: vmid number to use 1216 * @pd_addr: address 1217 * 1218 * Update the page table base and flush the VM TLB 1219 * using sDMA. 1220 */ 1221 static void sdma_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 1222 unsigned vmid, uint64_t pd_addr) 1223 { 1224 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1225 } 1226 1227 static void sdma_v7_0_ring_emit_wreg(struct amdgpu_ring *ring, 1228 uint32_t reg, uint32_t val) 1229 { 1230 /* SRBM WRITE command will not support on sdma v7. 1231 * Use Register WRITE command instead, which OPCODE is same as SRBM WRITE 1232 */ 1233 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_SRBM_WRITE)); 1234 amdgpu_ring_write(ring, reg << 2); 1235 amdgpu_ring_write(ring, val); 1236 } 1237 1238 static void sdma_v7_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1239 uint32_t val, uint32_t mask) 1240 { 1241 amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1242 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1243 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */ 1244 amdgpu_ring_write(ring, reg << 2); 1245 amdgpu_ring_write(ring, 0); 1246 amdgpu_ring_write(ring, val); /* reference */ 1247 amdgpu_ring_write(ring, mask); /* mask */ 1248 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1249 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); 1250 } 1251 1252 static void sdma_v7_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, 1253 uint32_t reg0, uint32_t reg1, 1254 uint32_t ref, uint32_t mask) 1255 { 1256 amdgpu_ring_emit_wreg(ring, reg0, ref); 1257 /* wait for a cycle to reset vm_inv_eng*_ack */ 1258 amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0); 1259 amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask); 1260 } 1261 1262 static int sdma_v7_0_early_init(struct amdgpu_ip_block *ip_block) 1263 { 1264 struct amdgpu_device *adev = ip_block->adev; 1265 int r; 1266 1267 r = amdgpu_sdma_init_microcode(adev, 0, true); 1268 if (r) { 1269 DRM_ERROR("Failed to init sdma firmware!\n"); 1270 return r; 1271 } 1272 1273 sdma_v7_0_set_ring_funcs(adev); 1274 sdma_v7_0_set_buffer_funcs(adev); 1275 sdma_v7_0_set_vm_pte_funcs(adev); 1276 sdma_v7_0_set_irq_funcs(adev); 1277 sdma_v7_0_set_mqd_funcs(adev); 1278 1279 return 0; 1280 } 1281 1282 static int sdma_v7_0_sw_init(struct amdgpu_ip_block *ip_block) 1283 { 1284 struct amdgpu_ring *ring; 1285 int r, i; 1286 struct amdgpu_device *adev = ip_block->adev; 1287 uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_7_0); 1288 uint32_t *ptr; 1289 1290 /* SDMA trap event */ 1291 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GFX, 1292 GFX_11_0_0__SRCID__SDMA_TRAP, 1293 &adev->sdma.trap_irq); 1294 if (r) 1295 return r; 1296 1297 for (i = 0; i < adev->sdma.num_instances; i++) { 1298 ring = &adev->sdma.instance[i].ring; 1299 ring->ring_obj = NULL; 1300 ring->use_doorbell = true; 1301 ring->me = i; 1302 1303 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i, 1304 ring->use_doorbell?"true":"false"); 1305 1306 ring->doorbell_index = 1307 (adev->doorbell_index.sdma_engine[i] << 1); // get DWORD offset 1308 1309 ring->vm_hub = AMDGPU_GFXHUB(0); 1310 sprintf(ring->name, "sdma%d", i); 1311 r = amdgpu_ring_init(adev, ring, 1024, 1312 &adev->sdma.trap_irq, 1313 AMDGPU_SDMA_IRQ_INSTANCE0 + i, 1314 AMDGPU_RING_PRIO_DEFAULT, NULL); 1315 if (r) 1316 return r; 1317 } 1318 1319 /* Allocate memory for SDMA IP Dump buffer */ 1320 ptr = kcalloc(adev->sdma.num_instances * reg_count, sizeof(uint32_t), GFP_KERNEL); 1321 if (ptr) 1322 adev->sdma.ip_dump = ptr; 1323 else 1324 DRM_ERROR("Failed to allocated memory for SDMA IP Dump\n"); 1325 1326 return r; 1327 } 1328 1329 static int sdma_v7_0_sw_fini(struct amdgpu_ip_block *ip_block) 1330 { 1331 struct amdgpu_device *adev = ip_block->adev; 1332 int i; 1333 1334 for (i = 0; i < adev->sdma.num_instances; i++) 1335 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1336 1337 amdgpu_sdma_destroy_inst_ctx(adev, true); 1338 1339 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) 1340 sdma_v12_0_free_ucode_buffer(adev); 1341 1342 kfree(adev->sdma.ip_dump); 1343 1344 return 0; 1345 } 1346 1347 static int sdma_v7_0_hw_init(struct amdgpu_ip_block *ip_block) 1348 { 1349 struct amdgpu_device *adev = ip_block->adev; 1350 1351 return sdma_v7_0_start(adev); 1352 } 1353 1354 static int sdma_v7_0_hw_fini(struct amdgpu_ip_block *ip_block) 1355 { 1356 struct amdgpu_device *adev = ip_block->adev; 1357 1358 if (amdgpu_sriov_vf(adev)) 1359 return 0; 1360 1361 sdma_v7_0_ctx_switch_enable(adev, false); 1362 sdma_v7_0_enable(adev, false); 1363 1364 return 0; 1365 } 1366 1367 static int sdma_v7_0_suspend(struct amdgpu_ip_block *ip_block) 1368 { 1369 return sdma_v7_0_hw_fini(ip_block); 1370 } 1371 1372 static int sdma_v7_0_resume(struct amdgpu_ip_block *ip_block) 1373 { 1374 return sdma_v7_0_hw_init(ip_block); 1375 } 1376 1377 static bool sdma_v7_0_is_idle(void *handle) 1378 { 1379 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1380 u32 i; 1381 1382 for (i = 0; i < adev->sdma.num_instances; i++) { 1383 u32 tmp = RREG32(sdma_v7_0_get_reg_offset(adev, i, regSDMA0_STATUS_REG)); 1384 1385 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 1386 return false; 1387 } 1388 1389 return true; 1390 } 1391 1392 static int sdma_v7_0_wait_for_idle(struct amdgpu_ip_block *ip_block) 1393 { 1394 unsigned i; 1395 u32 sdma0, sdma1; 1396 struct amdgpu_device *adev = ip_block->adev; 1397 1398 for (i = 0; i < adev->usec_timeout; i++) { 1399 sdma0 = RREG32(sdma_v7_0_get_reg_offset(adev, 0, regSDMA0_STATUS_REG)); 1400 sdma1 = RREG32(sdma_v7_0_get_reg_offset(adev, 1, regSDMA0_STATUS_REG)); 1401 1402 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK) 1403 return 0; 1404 udelay(1); 1405 } 1406 return -ETIMEDOUT; 1407 } 1408 1409 static int sdma_v7_0_ring_preempt_ib(struct amdgpu_ring *ring) 1410 { 1411 int i, r = 0; 1412 struct amdgpu_device *adev = ring->adev; 1413 u32 index = 0; 1414 u64 sdma_gfx_preempt; 1415 1416 amdgpu_sdma_get_index_from_ring(ring, &index); 1417 sdma_gfx_preempt = 1418 sdma_v7_0_get_reg_offset(adev, index, regSDMA0_QUEUE0_PREEMPT); 1419 1420 /* assert preemption condition */ 1421 amdgpu_ring_set_preempt_cond_exec(ring, false); 1422 1423 /* emit the trailing fence */ 1424 ring->trail_seq += 1; 1425 r = amdgpu_ring_alloc(ring, 10); 1426 if (r) { 1427 DRM_ERROR("ring %d failed to be allocated \n", ring->idx); 1428 return r; 1429 } 1430 sdma_v7_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr, 1431 ring->trail_seq, 0); 1432 amdgpu_ring_commit(ring); 1433 1434 /* assert IB preemption */ 1435 WREG32(sdma_gfx_preempt, 1); 1436 1437 /* poll the trailing fence */ 1438 for (i = 0; i < adev->usec_timeout; i++) { 1439 if (ring->trail_seq == 1440 le32_to_cpu(*(ring->trail_fence_cpu_addr))) 1441 break; 1442 udelay(1); 1443 } 1444 1445 if (i >= adev->usec_timeout) { 1446 r = -EINVAL; 1447 DRM_ERROR("ring %d failed to be preempted\n", ring->idx); 1448 } 1449 1450 /* deassert IB preemption */ 1451 WREG32(sdma_gfx_preempt, 0); 1452 1453 /* deassert the preemption condition */ 1454 amdgpu_ring_set_preempt_cond_exec(ring, true); 1455 return r; 1456 } 1457 1458 static int sdma_v7_0_set_trap_irq_state(struct amdgpu_device *adev, 1459 struct amdgpu_irq_src *source, 1460 unsigned type, 1461 enum amdgpu_interrupt_state state) 1462 { 1463 u32 sdma_cntl; 1464 1465 u32 reg_offset = sdma_v7_0_get_reg_offset(adev, type, regSDMA0_CNTL); 1466 1467 sdma_cntl = RREG32(reg_offset); 1468 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1469 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1470 WREG32(reg_offset, sdma_cntl); 1471 1472 return 0; 1473 } 1474 1475 static int sdma_v7_0_process_trap_irq(struct amdgpu_device *adev, 1476 struct amdgpu_irq_src *source, 1477 struct amdgpu_iv_entry *entry) 1478 { 1479 int instances, queue; 1480 uint32_t mes_queue_id = entry->src_data[0]; 1481 1482 DRM_DEBUG("IH: SDMA trap\n"); 1483 1484 if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) { 1485 struct amdgpu_mes_queue *queue; 1486 1487 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK; 1488 1489 spin_lock(&adev->mes.queue_id_lock); 1490 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id); 1491 if (queue) { 1492 DRM_DEBUG("process smda queue id = %d\n", mes_queue_id); 1493 amdgpu_fence_process(queue->ring); 1494 } 1495 spin_unlock(&adev->mes.queue_id_lock); 1496 return 0; 1497 } 1498 1499 queue = entry->ring_id & 0xf; 1500 instances = (entry->ring_id & 0xf0) >> 4; 1501 if (instances > 1) { 1502 DRM_ERROR("IH: wrong ring_ID detected, as wrong sdma instance\n"); 1503 return -EINVAL; 1504 } 1505 1506 switch (entry->client_id) { 1507 case SOC21_IH_CLIENTID_GFX: 1508 switch (queue) { 1509 case 0: 1510 amdgpu_fence_process(&adev->sdma.instance[instances].ring); 1511 break; 1512 default: 1513 break; 1514 } 1515 break; 1516 } 1517 return 0; 1518 } 1519 1520 static int sdma_v7_0_process_illegal_inst_irq(struct amdgpu_device *adev, 1521 struct amdgpu_irq_src *source, 1522 struct amdgpu_iv_entry *entry) 1523 { 1524 return 0; 1525 } 1526 1527 static int sdma_v7_0_set_clockgating_state(void *handle, 1528 enum amd_clockgating_state state) 1529 { 1530 return 0; 1531 } 1532 1533 static int sdma_v7_0_set_powergating_state(void *handle, 1534 enum amd_powergating_state state) 1535 { 1536 return 0; 1537 } 1538 1539 static void sdma_v7_0_get_clockgating_state(void *handle, u64 *flags) 1540 { 1541 } 1542 1543 static void sdma_v7_0_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p) 1544 { 1545 struct amdgpu_device *adev = ip_block->adev; 1546 int i, j; 1547 uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_7_0); 1548 uint32_t instance_offset; 1549 1550 if (!adev->sdma.ip_dump) 1551 return; 1552 1553 drm_printf(p, "num_instances:%d\n", adev->sdma.num_instances); 1554 for (i = 0; i < adev->sdma.num_instances; i++) { 1555 instance_offset = i * reg_count; 1556 drm_printf(p, "\nInstance:%d\n", i); 1557 1558 for (j = 0; j < reg_count; j++) 1559 drm_printf(p, "%-50s \t 0x%08x\n", sdma_reg_list_7_0[j].reg_name, 1560 adev->sdma.ip_dump[instance_offset + j]); 1561 } 1562 } 1563 1564 static void sdma_v7_0_dump_ip_state(struct amdgpu_ip_block *ip_block) 1565 { 1566 struct amdgpu_device *adev = ip_block->adev; 1567 int i, j; 1568 uint32_t instance_offset; 1569 uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_7_0); 1570 1571 if (!adev->sdma.ip_dump) 1572 return; 1573 1574 amdgpu_gfx_off_ctrl(adev, false); 1575 for (i = 0; i < adev->sdma.num_instances; i++) { 1576 instance_offset = i * reg_count; 1577 for (j = 0; j < reg_count; j++) 1578 adev->sdma.ip_dump[instance_offset + j] = 1579 RREG32(sdma_v7_0_get_reg_offset(adev, i, 1580 sdma_reg_list_7_0[j].reg_offset)); 1581 } 1582 amdgpu_gfx_off_ctrl(adev, true); 1583 } 1584 1585 const struct amd_ip_funcs sdma_v7_0_ip_funcs = { 1586 .name = "sdma_v7_0", 1587 .early_init = sdma_v7_0_early_init, 1588 .late_init = NULL, 1589 .sw_init = sdma_v7_0_sw_init, 1590 .sw_fini = sdma_v7_0_sw_fini, 1591 .hw_init = sdma_v7_0_hw_init, 1592 .hw_fini = sdma_v7_0_hw_fini, 1593 .suspend = sdma_v7_0_suspend, 1594 .resume = sdma_v7_0_resume, 1595 .is_idle = sdma_v7_0_is_idle, 1596 .wait_for_idle = sdma_v7_0_wait_for_idle, 1597 .soft_reset = sdma_v7_0_soft_reset, 1598 .check_soft_reset = sdma_v7_0_check_soft_reset, 1599 .set_clockgating_state = sdma_v7_0_set_clockgating_state, 1600 .set_powergating_state = sdma_v7_0_set_powergating_state, 1601 .get_clockgating_state = sdma_v7_0_get_clockgating_state, 1602 .dump_ip_state = sdma_v7_0_dump_ip_state, 1603 .print_ip_state = sdma_v7_0_print_ip_state, 1604 }; 1605 1606 static const struct amdgpu_ring_funcs sdma_v7_0_ring_funcs = { 1607 .type = AMDGPU_RING_TYPE_SDMA, 1608 .align_mask = 0xf, 1609 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1610 .support_64bit_ptrs = true, 1611 .secure_submission_supported = true, 1612 .get_rptr = sdma_v7_0_ring_get_rptr, 1613 .get_wptr = sdma_v7_0_ring_get_wptr, 1614 .set_wptr = sdma_v7_0_ring_set_wptr, 1615 .emit_frame_size = 1616 5 + /* sdma_v7_0_ring_init_cond_exec */ 1617 6 + /* sdma_v7_0_ring_emit_hdp_flush */ 1618 6 + /* sdma_v7_0_ring_emit_pipeline_sync */ 1619 /* sdma_v7_0_ring_emit_vm_flush */ 1620 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1621 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + 1622 10 + 10 + 10, /* sdma_v7_0_ring_emit_fence x3 for user fence, vm fence */ 1623 .emit_ib_size = 5 + 7 + 6, /* sdma_v7_0_ring_emit_ib */ 1624 .emit_ib = sdma_v7_0_ring_emit_ib, 1625 .emit_mem_sync = sdma_v7_0_ring_emit_mem_sync, 1626 .emit_fence = sdma_v7_0_ring_emit_fence, 1627 .emit_pipeline_sync = sdma_v7_0_ring_emit_pipeline_sync, 1628 .emit_vm_flush = sdma_v7_0_ring_emit_vm_flush, 1629 .emit_hdp_flush = sdma_v7_0_ring_emit_hdp_flush, 1630 .test_ring = sdma_v7_0_ring_test_ring, 1631 .test_ib = sdma_v7_0_ring_test_ib, 1632 .insert_nop = sdma_v7_0_ring_insert_nop, 1633 .pad_ib = sdma_v7_0_ring_pad_ib, 1634 .emit_wreg = sdma_v7_0_ring_emit_wreg, 1635 .emit_reg_wait = sdma_v7_0_ring_emit_reg_wait, 1636 .emit_reg_write_reg_wait = sdma_v7_0_ring_emit_reg_write_reg_wait, 1637 .init_cond_exec = sdma_v7_0_ring_init_cond_exec, 1638 .preempt_ib = sdma_v7_0_ring_preempt_ib, 1639 }; 1640 1641 static void sdma_v7_0_set_ring_funcs(struct amdgpu_device *adev) 1642 { 1643 int i; 1644 1645 for (i = 0; i < adev->sdma.num_instances; i++) { 1646 adev->sdma.instance[i].ring.funcs = &sdma_v7_0_ring_funcs; 1647 adev->sdma.instance[i].ring.me = i; 1648 } 1649 } 1650 1651 static const struct amdgpu_irq_src_funcs sdma_v7_0_trap_irq_funcs = { 1652 .set = sdma_v7_0_set_trap_irq_state, 1653 .process = sdma_v7_0_process_trap_irq, 1654 }; 1655 1656 static const struct amdgpu_irq_src_funcs sdma_v7_0_illegal_inst_irq_funcs = { 1657 .process = sdma_v7_0_process_illegal_inst_irq, 1658 }; 1659 1660 static void sdma_v7_0_set_irq_funcs(struct amdgpu_device *adev) 1661 { 1662 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 + 1663 adev->sdma.num_instances; 1664 adev->sdma.trap_irq.funcs = &sdma_v7_0_trap_irq_funcs; 1665 adev->sdma.illegal_inst_irq.funcs = &sdma_v7_0_illegal_inst_irq_funcs; 1666 } 1667 1668 /** 1669 * sdma_v7_0_emit_copy_buffer - copy buffer using the sDMA engine 1670 * 1671 * @ib: indirect buffer to fill with commands 1672 * @src_offset: src GPU address 1673 * @dst_offset: dst GPU address 1674 * @byte_count: number of bytes to xfer 1675 * @copy_flags: copy flags for the buffers 1676 * 1677 * Copy GPU buffers using the DMA engine. 1678 * Used by the amdgpu ttm implementation to move pages if 1679 * registered as the asic copy callback. 1680 */ 1681 static void sdma_v7_0_emit_copy_buffer(struct amdgpu_ib *ib, 1682 uint64_t src_offset, 1683 uint64_t dst_offset, 1684 uint32_t byte_count, 1685 uint32_t copy_flags) 1686 { 1687 uint32_t num_type, data_format, max_com; 1688 1689 max_com = AMDGPU_COPY_FLAGS_GET(copy_flags, MAX_COMPRESSED); 1690 data_format = AMDGPU_COPY_FLAGS_GET(copy_flags, DATA_FORMAT); 1691 num_type = AMDGPU_COPY_FLAGS_GET(copy_flags, NUMBER_TYPE); 1692 1693 ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_COPY) | 1694 SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) | 1695 SDMA_PKT_COPY_LINEAR_HEADER_TMZ((copy_flags & AMDGPU_COPY_FLAGS_TMZ) ? 1 : 0) | 1696 SDMA_PKT_COPY_LINEAR_HEADER_CPV(1); 1697 1698 ib->ptr[ib->length_dw++] = byte_count - 1; 1699 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1700 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 1701 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 1702 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1703 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1704 1705 if ((copy_flags & (AMDGPU_COPY_FLAGS_READ_DECOMPRESSED | AMDGPU_COPY_FLAGS_WRITE_COMPRESSED))) 1706 ib->ptr[ib->length_dw++] = SDMA_DCC_DATA_FORMAT(data_format) | SDMA_DCC_NUM_TYPE(num_type) | 1707 ((copy_flags & AMDGPU_COPY_FLAGS_READ_DECOMPRESSED) ? SDMA_DCC_READ_CM(2) : 0) | 1708 ((copy_flags & AMDGPU_COPY_FLAGS_WRITE_COMPRESSED) ? SDMA_DCC_WRITE_CM(1) : 0) | 1709 SDMA_DCC_MAX_COM(max_com) | SDMA_DCC_MAX_UCOM(1); 1710 else 1711 ib->ptr[ib->length_dw++] = 0; 1712 } 1713 1714 /** 1715 * sdma_v7_0_emit_fill_buffer - fill buffer using the sDMA engine 1716 * 1717 * @ib: indirect buffer to fill 1718 * @src_data: value to write to buffer 1719 * @dst_offset: dst GPU address 1720 * @byte_count: number of bytes to xfer 1721 * 1722 * Fill GPU buffers using the DMA engine. 1723 */ 1724 static void sdma_v7_0_emit_fill_buffer(struct amdgpu_ib *ib, 1725 uint32_t src_data, 1726 uint64_t dst_offset, 1727 uint32_t byte_count) 1728 { 1729 ib->ptr[ib->length_dw++] = SDMA_PKT_CONSTANT_FILL_HEADER_OP(SDMA_OP_CONST_FILL) | 1730 SDMA_PKT_CONSTANT_FILL_HEADER_COMPRESS(1); 1731 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1732 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1733 ib->ptr[ib->length_dw++] = src_data; 1734 ib->ptr[ib->length_dw++] = byte_count - 1; 1735 } 1736 1737 static const struct amdgpu_buffer_funcs sdma_v7_0_buffer_funcs = { 1738 .copy_max_bytes = 0x400000, 1739 .copy_num_dw = 8, 1740 .emit_copy_buffer = sdma_v7_0_emit_copy_buffer, 1741 .fill_max_bytes = 0x400000, 1742 .fill_num_dw = 5, 1743 .emit_fill_buffer = sdma_v7_0_emit_fill_buffer, 1744 }; 1745 1746 static void sdma_v7_0_set_buffer_funcs(struct amdgpu_device *adev) 1747 { 1748 adev->mman.buffer_funcs = &sdma_v7_0_buffer_funcs; 1749 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 1750 } 1751 1752 static const struct amdgpu_vm_pte_funcs sdma_v7_0_vm_pte_funcs = { 1753 .copy_pte_num_dw = 8, 1754 .copy_pte = sdma_v7_0_vm_copy_pte, 1755 .write_pte = sdma_v7_0_vm_write_pte, 1756 .set_pte_pde = sdma_v7_0_vm_set_pte_pde, 1757 }; 1758 1759 static void sdma_v7_0_set_vm_pte_funcs(struct amdgpu_device *adev) 1760 { 1761 unsigned i; 1762 1763 adev->vm_manager.vm_pte_funcs = &sdma_v7_0_vm_pte_funcs; 1764 for (i = 0; i < adev->sdma.num_instances; i++) { 1765 adev->vm_manager.vm_pte_scheds[i] = 1766 &adev->sdma.instance[i].ring.sched; 1767 } 1768 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances; 1769 } 1770 1771 const struct amdgpu_ip_block_version sdma_v7_0_ip_block = { 1772 .type = AMD_IP_BLOCK_TYPE_SDMA, 1773 .major = 7, 1774 .minor = 0, 1775 .rev = 0, 1776 .funcs = &sdma_v7_0_ip_funcs, 1777 }; 1778