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_1_0_offset.h" 34 #include "gc/gc_10_1_0_sh_mask.h" 35 #include "ivsrcid/sdma0/irqsrcs_sdma0_5_0.h" 36 #include "ivsrcid/sdma1/irqsrcs_sdma1_5_0.h" 37 38 #include "soc15_common.h" 39 #include "soc15.h" 40 #include "navi10_sdma_pkt_open.h" 41 #include "nbio_v2_3.h" 42 #include "sdma_common.h" 43 #include "sdma_v5_0.h" 44 45 MODULE_FIRMWARE("amdgpu/navi10_sdma.bin"); 46 MODULE_FIRMWARE("amdgpu/navi10_sdma1.bin"); 47 48 MODULE_FIRMWARE("amdgpu/navi14_sdma.bin"); 49 MODULE_FIRMWARE("amdgpu/navi14_sdma1.bin"); 50 51 MODULE_FIRMWARE("amdgpu/navi12_sdma.bin"); 52 MODULE_FIRMWARE("amdgpu/navi12_sdma1.bin"); 53 54 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma.bin"); 55 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma1.bin"); 56 57 #define SDMA1_REG_OFFSET 0x600 58 #define SDMA0_HYP_DEC_REG_START 0x5880 59 #define SDMA0_HYP_DEC_REG_END 0x5893 60 #define SDMA1_HYP_DEC_REG_OFFSET 0x20 61 62 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev); 63 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev); 64 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev); 65 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev); 66 67 static const struct soc15_reg_golden golden_settings_sdma_5[] = { 68 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107), 69 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 70 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 71 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 72 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 73 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 74 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 75 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 76 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 77 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 78 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 79 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x00ffffff, 0x000c5c00), 80 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107), 81 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 82 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 83 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 84 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 85 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 86 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 87 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 88 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 89 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 90 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 91 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x00ffffff, 0x000c5c00) 92 }; 93 94 static const struct soc15_reg_golden golden_settings_sdma_5_sriov[] = { 95 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 96 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 97 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 98 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 99 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 100 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 101 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 102 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 103 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 104 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 105 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 106 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 107 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 108 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 109 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 110 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 111 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 112 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 113 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 114 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 115 }; 116 117 static const struct soc15_reg_golden golden_settings_sdma_nv10[] = { 118 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 119 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 120 }; 121 122 static const struct soc15_reg_golden golden_settings_sdma_nv14[] = { 123 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 124 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 125 }; 126 127 static const struct soc15_reg_golden golden_settings_sdma_nv12[] = { 128 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 129 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044), 130 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044), 131 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044), 132 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044), 133 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 134 }; 135 136 static const struct soc15_reg_golden golden_settings_sdma_cyan_skillfish[] = { 137 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107), 138 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044), 139 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044), 140 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 141 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 142 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 143 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 144 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 145 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 146 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 147 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 148 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 149 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 150 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x007fffff, 0x004c5c00), 151 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107), 152 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044), 153 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044), 154 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 155 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 156 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 157 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 158 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 159 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 160 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 161 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 162 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 163 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 164 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x007fffff, 0x004c5c00) 165 }; 166 167 static u32 sdma_v5_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset) 168 { 169 u32 base; 170 171 if (internal_offset >= SDMA0_HYP_DEC_REG_START && 172 internal_offset <= SDMA0_HYP_DEC_REG_END) { 173 base = adev->reg_offset[GC_HWIP][0][1]; 174 if (instance == 1) 175 internal_offset += SDMA1_HYP_DEC_REG_OFFSET; 176 } else { 177 base = adev->reg_offset[GC_HWIP][0][0]; 178 if (instance == 1) 179 internal_offset += SDMA1_REG_OFFSET; 180 } 181 182 return base + internal_offset; 183 } 184 185 static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev) 186 { 187 switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) { 188 case IP_VERSION(5, 0, 0): 189 soc15_program_register_sequence(adev, 190 golden_settings_sdma_5, 191 (const u32)ARRAY_SIZE(golden_settings_sdma_5)); 192 soc15_program_register_sequence(adev, 193 golden_settings_sdma_nv10, 194 (const u32)ARRAY_SIZE(golden_settings_sdma_nv10)); 195 break; 196 case IP_VERSION(5, 0, 2): 197 soc15_program_register_sequence(adev, 198 golden_settings_sdma_5, 199 (const u32)ARRAY_SIZE(golden_settings_sdma_5)); 200 soc15_program_register_sequence(adev, 201 golden_settings_sdma_nv14, 202 (const u32)ARRAY_SIZE(golden_settings_sdma_nv14)); 203 break; 204 case IP_VERSION(5, 0, 5): 205 if (amdgpu_sriov_vf(adev)) 206 soc15_program_register_sequence(adev, 207 golden_settings_sdma_5_sriov, 208 (const u32)ARRAY_SIZE(golden_settings_sdma_5_sriov)); 209 else 210 soc15_program_register_sequence(adev, 211 golden_settings_sdma_5, 212 (const u32)ARRAY_SIZE(golden_settings_sdma_5)); 213 soc15_program_register_sequence(adev, 214 golden_settings_sdma_nv12, 215 (const u32)ARRAY_SIZE(golden_settings_sdma_nv12)); 216 break; 217 case IP_VERSION(5, 0, 1): 218 soc15_program_register_sequence(adev, 219 golden_settings_sdma_cyan_skillfish, 220 (const u32)ARRAY_SIZE(golden_settings_sdma_cyan_skillfish)); 221 break; 222 default: 223 break; 224 } 225 } 226 227 /** 228 * sdma_v5_0_init_microcode - load ucode images from disk 229 * 230 * @adev: amdgpu_device pointer 231 * 232 * Use the firmware interface to load the ucode images into 233 * the driver (not loaded into hw). 234 * Returns 0 on success, error on failure. 235 */ 236 237 // emulation only, won't work on real chip 238 // navi10 real chip need to use PSP to load firmware 239 static int sdma_v5_0_init_microcode(struct amdgpu_device *adev) 240 { 241 int ret, i; 242 243 for (i = 0; i < adev->sdma.num_instances; i++) { 244 ret = amdgpu_sdma_init_microcode(adev, i, false); 245 if (ret) 246 return ret; 247 } 248 249 return ret; 250 } 251 252 static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring, 253 uint64_t addr) 254 { 255 unsigned ret; 256 257 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE)); 258 amdgpu_ring_write(ring, lower_32_bits(addr)); 259 amdgpu_ring_write(ring, upper_32_bits(addr)); 260 amdgpu_ring_write(ring, 1); 261 /* this is the offset we need patch later */ 262 ret = ring->wptr & ring->buf_mask; 263 /* insert dummy here and patch it later */ 264 amdgpu_ring_write(ring, 0); 265 266 return ret; 267 } 268 269 /** 270 * sdma_v5_0_ring_get_rptr - get the current read pointer 271 * 272 * @ring: amdgpu ring pointer 273 * 274 * Get the current rptr from the hardware (NAVI10+). 275 */ 276 static uint64_t sdma_v5_0_ring_get_rptr(struct amdgpu_ring *ring) 277 { 278 u64 *rptr; 279 280 /* XXX check if swapping is necessary on BE */ 281 rptr = (u64 *)ring->rptr_cpu_addr; 282 283 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); 284 return ((*rptr) >> 2); 285 } 286 287 /** 288 * sdma_v5_0_ring_get_wptr - get the current write pointer 289 * 290 * @ring: amdgpu ring pointer 291 * 292 * Get the current wptr from the hardware (NAVI10+). 293 */ 294 static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring) 295 { 296 struct amdgpu_device *adev = ring->adev; 297 u64 wptr; 298 299 if (ring->use_doorbell) { 300 /* XXX check if swapping is necessary on BE */ 301 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr)); 302 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 303 } else { 304 wptr = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI)); 305 wptr = wptr << 32; 306 wptr |= RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR)); 307 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr); 308 } 309 310 return wptr >> 2; 311 } 312 313 /** 314 * sdma_v5_0_ring_set_wptr - commit the write pointer 315 * 316 * @ring: amdgpu ring pointer 317 * 318 * Write the wptr back to the hardware (NAVI10+). 319 */ 320 static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring) 321 { 322 struct amdgpu_device *adev = ring->adev; 323 uint32_t *wptr_saved; 324 uint32_t *is_queue_unmap; 325 uint64_t aggregated_db_index; 326 uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size; 327 328 DRM_DEBUG("Setting write pointer\n"); 329 if (ring->is_mes_queue) { 330 wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size); 331 is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size + 332 sizeof(uint32_t)); 333 aggregated_db_index = 334 amdgpu_mes_get_aggregated_doorbell_index(adev, 335 AMDGPU_MES_PRIORITY_LEVEL_NORMAL); 336 337 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 338 ring->wptr << 2); 339 *wptr_saved = ring->wptr << 2; 340 if (*is_queue_unmap) { 341 WDOORBELL64(aggregated_db_index, ring->wptr << 2); 342 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 343 ring->doorbell_index, ring->wptr << 2); 344 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 345 } else { 346 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 347 ring->doorbell_index, ring->wptr << 2); 348 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 349 350 if (*is_queue_unmap) 351 WDOORBELL64(aggregated_db_index, 352 ring->wptr << 2); 353 } 354 } else { 355 if (ring->use_doorbell) { 356 DRM_DEBUG("Using doorbell -- " 357 "wptr_offs == 0x%08x " 358 "lower_32_bits(ring->wptr) << 2 == 0x%08x " 359 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", 360 ring->wptr_offs, 361 lower_32_bits(ring->wptr << 2), 362 upper_32_bits(ring->wptr << 2)); 363 /* XXX check if swapping is necessary on BE */ 364 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 365 ring->wptr << 2); 366 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 367 ring->doorbell_index, ring->wptr << 2); 368 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 369 } else { 370 DRM_DEBUG("Not using doorbell -- " 371 "mmSDMA%i_GFX_RB_WPTR == 0x%08x " 372 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 373 ring->me, 374 lower_32_bits(ring->wptr << 2), 375 ring->me, 376 upper_32_bits(ring->wptr << 2)); 377 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, 378 ring->me, mmSDMA0_GFX_RB_WPTR), 379 lower_32_bits(ring->wptr << 2)); 380 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, 381 ring->me, mmSDMA0_GFX_RB_WPTR_HI), 382 upper_32_bits(ring->wptr << 2)); 383 } 384 } 385 } 386 387 static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 388 { 389 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 390 int i; 391 392 for (i = 0; i < count; i++) 393 if (sdma && sdma->burst_nop && (i == 0)) 394 amdgpu_ring_write(ring, ring->funcs->nop | 395 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 396 else 397 amdgpu_ring_write(ring, ring->funcs->nop); 398 } 399 400 /** 401 * sdma_v5_0_ring_emit_ib - Schedule an IB on the DMA engine 402 * 403 * @ring: amdgpu ring pointer 404 * @job: job to retrieve vmid from 405 * @ib: IB object to schedule 406 * @flags: unused 407 * 408 * Schedule an IB in the DMA ring (NAVI10). 409 */ 410 static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 411 struct amdgpu_job *job, 412 struct amdgpu_ib *ib, 413 uint32_t flags) 414 { 415 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 416 uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid); 417 418 /* An IB packet must end on a 8 DW boundary--the next dword 419 * must be on a 8-dword boundary. Our IB packet below is 6 420 * dwords long, thus add x number of NOPs, such that, in 421 * modular arithmetic, 422 * wptr + 6 + x = 8k, k >= 0, which in C is, 423 * (wptr + 6 + x) % 8 = 0. 424 * The expression below, is a solution of x. 425 */ 426 sdma_v5_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); 427 428 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | 429 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 430 /* base must be 32 byte aligned */ 431 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 432 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 433 amdgpu_ring_write(ring, ib->length_dw); 434 amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr)); 435 amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr)); 436 } 437 438 /** 439 * sdma_v5_0_ring_emit_mem_sync - flush the IB by graphics cache rinse 440 * 441 * @ring: amdgpu ring pointer 442 * 443 * flush the IB by graphics cache rinse. 444 */ 445 static void sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring *ring) 446 { 447 uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV | 448 SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV | 449 SDMA_GCR_GLI_INV(1); 450 451 /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */ 452 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ)); 453 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0)); 454 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) | 455 SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0)); 456 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) | 457 SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16)); 458 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) | 459 SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0)); 460 } 461 462 /** 463 * sdma_v5_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 464 * 465 * @ring: amdgpu ring pointer 466 * 467 * Emit an hdp flush packet on the requested DMA ring. 468 */ 469 static void sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 470 { 471 struct amdgpu_device *adev = ring->adev; 472 u32 ref_and_mask = 0; 473 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg; 474 475 if (ring->me == 0) 476 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0; 477 else 478 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1; 479 480 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 481 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | 482 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 483 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2); 484 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2); 485 amdgpu_ring_write(ring, ref_and_mask); /* reference */ 486 amdgpu_ring_write(ring, ref_and_mask); /* mask */ 487 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 488 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ 489 } 490 491 /** 492 * sdma_v5_0_ring_emit_fence - emit a fence on the DMA ring 493 * 494 * @ring: amdgpu ring pointer 495 * @addr: address 496 * @seq: sequence number 497 * @flags: fence related flags 498 * 499 * Add a DMA fence packet to the ring to write 500 * the fence seq number and DMA trap packet to generate 501 * an interrupt if needed (NAVI10). 502 */ 503 static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 504 unsigned flags) 505 { 506 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 507 /* write the fence */ 508 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) | 509 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */ 510 /* zero in first two bits */ 511 BUG_ON(addr & 0x3); 512 amdgpu_ring_write(ring, lower_32_bits(addr)); 513 amdgpu_ring_write(ring, upper_32_bits(addr)); 514 amdgpu_ring_write(ring, lower_32_bits(seq)); 515 516 /* optionally write high bits as well */ 517 if (write64bit) { 518 addr += 4; 519 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) | 520 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); 521 /* zero in first two bits */ 522 BUG_ON(addr & 0x3); 523 amdgpu_ring_write(ring, lower_32_bits(addr)); 524 amdgpu_ring_write(ring, upper_32_bits(addr)); 525 amdgpu_ring_write(ring, upper_32_bits(seq)); 526 } 527 528 if (flags & AMDGPU_FENCE_FLAG_INT) { 529 uint32_t ctx = ring->is_mes_queue ? 530 (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0; 531 /* generate an interrupt */ 532 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); 533 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx)); 534 } 535 } 536 537 538 /** 539 * sdma_v5_0_gfx_stop - stop the gfx async dma engines 540 * 541 * @adev: amdgpu_device pointer 542 * 543 * Stop the gfx async dma ring buffers (NAVI10). 544 */ 545 static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev) 546 { 547 u32 rb_cntl, ib_cntl; 548 int i; 549 550 for (i = 0; i < adev->sdma.num_instances; i++) { 551 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 552 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); 553 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 554 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 555 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); 556 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 557 } 558 } 559 560 /** 561 * sdma_v5_0_rlc_stop - stop the compute async dma engines 562 * 563 * @adev: amdgpu_device pointer 564 * 565 * Stop the compute async dma queues (NAVI10). 566 */ 567 static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev) 568 { 569 /* XXX todo */ 570 } 571 572 /** 573 * sdma_v5_0_ctx_switch_enable - stop the async dma engines context switch 574 * 575 * @adev: amdgpu_device pointer 576 * @enable: enable/disable the DMA MEs context switch. 577 * 578 * Halt or unhalt the async dma engines context switch (NAVI10). 579 */ 580 static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) 581 { 582 u32 f32_cntl = 0, phase_quantum = 0; 583 int i; 584 585 if (amdgpu_sdma_phase_quantum) { 586 unsigned value = amdgpu_sdma_phase_quantum; 587 unsigned unit = 0; 588 589 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 590 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) { 591 value = (value + 1) >> 1; 592 unit++; 593 } 594 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 595 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) { 596 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 597 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT); 598 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 599 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT); 600 WARN_ONCE(1, 601 "clamping sdma_phase_quantum to %uK clock cycles\n", 602 value << unit); 603 } 604 phase_quantum = 605 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT | 606 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT; 607 } 608 609 for (i = 0; i < adev->sdma.num_instances; i++) { 610 if (!amdgpu_sriov_vf(adev)) { 611 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL)); 612 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, 613 AUTO_CTXSW_ENABLE, enable ? 1 : 0); 614 } 615 616 if (enable && amdgpu_sdma_phase_quantum) { 617 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM), 618 phase_quantum); 619 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM), 620 phase_quantum); 621 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM), 622 phase_quantum); 623 } 624 if (!amdgpu_sriov_vf(adev)) 625 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl); 626 } 627 628 } 629 630 /** 631 * sdma_v5_0_enable - stop the async dma engines 632 * 633 * @adev: amdgpu_device pointer 634 * @enable: enable/disable the DMA MEs. 635 * 636 * Halt or unhalt the async dma engines (NAVI10). 637 */ 638 static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable) 639 { 640 u32 f32_cntl; 641 int i; 642 643 if (!enable) { 644 sdma_v5_0_gfx_stop(adev); 645 sdma_v5_0_rlc_stop(adev); 646 } 647 648 if (amdgpu_sriov_vf(adev)) 649 return; 650 651 for (i = 0; i < adev->sdma.num_instances; i++) { 652 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 653 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1); 654 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl); 655 } 656 } 657 658 /** 659 * sdma_v5_0_gfx_resume - setup and start the async dma engines 660 * 661 * @adev: amdgpu_device pointer 662 * 663 * Set up the gfx DMA ring buffers and enable them (NAVI10). 664 * Returns 0 for success, error for failure. 665 */ 666 static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev) 667 { 668 struct amdgpu_ring *ring; 669 u32 rb_cntl, ib_cntl; 670 u32 rb_bufsz; 671 u32 doorbell; 672 u32 doorbell_offset; 673 u32 temp; 674 u32 wptr_poll_cntl; 675 u64 wptr_gpu_addr; 676 int i, r; 677 678 for (i = 0; i < adev->sdma.num_instances; i++) { 679 ring = &adev->sdma.instance[i].ring; 680 681 if (!amdgpu_sriov_vf(adev)) 682 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0); 683 684 /* Set ring buffer size in dwords */ 685 rb_bufsz = order_base_2(ring->ring_size / 4); 686 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 687 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); 688 #ifdef __BIG_ENDIAN 689 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); 690 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, 691 RPTR_WRITEBACK_SWAP_ENABLE, 1); 692 #endif 693 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 694 695 /* Initialize the ring buffer's read and write pointers */ 696 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0); 697 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0); 698 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0); 699 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0); 700 701 /* setup the wptr shadow polling */ 702 wptr_gpu_addr = ring->wptr_gpu_addr; 703 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO), 704 lower_32_bits(wptr_gpu_addr)); 705 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI), 706 upper_32_bits(wptr_gpu_addr)); 707 wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, 708 mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 709 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, 710 SDMA0_GFX_RB_WPTR_POLL_CNTL, 711 F32_POLL_ENABLE, 1); 712 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL), 713 wptr_poll_cntl); 714 715 /* set the wb address whether it's enabled or not */ 716 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI), 717 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF); 718 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO), 719 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); 720 721 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); 722 723 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE), 724 ring->gpu_addr >> 8); 725 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI), 726 ring->gpu_addr >> 40); 727 728 ring->wptr = 0; 729 730 /* before programing wptr to a less value, need set minor_ptr_update first */ 731 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1); 732 733 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */ 734 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 735 lower_32_bits(ring->wptr << 2)); 736 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 737 upper_32_bits(ring->wptr << 2)); 738 } 739 740 doorbell = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL)); 741 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, 742 mmSDMA0_GFX_DOORBELL_OFFSET)); 743 744 if (ring->use_doorbell) { 745 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1); 746 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET, 747 OFFSET, ring->doorbell_index); 748 } else { 749 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0); 750 } 751 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell); 752 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET), 753 doorbell_offset); 754 755 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell, 756 ring->doorbell_index, 20); 757 758 if (amdgpu_sriov_vf(adev)) 759 sdma_v5_0_ring_set_wptr(ring); 760 761 /* set minor_ptr_update to 0 after wptr programed */ 762 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0); 763 764 if (!amdgpu_sriov_vf(adev)) { 765 /* set utc l1 enable flag always to 1 */ 766 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL)); 767 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1); 768 769 /* enable MCBP */ 770 temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1); 771 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp); 772 773 /* Set up RESP_MODE to non-copy addresses */ 774 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL)); 775 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3); 776 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9); 777 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp); 778 779 /* program default cache read and write policy */ 780 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE)); 781 /* clean read policy and write policy bits */ 782 temp &= 0xFF0FFF; 783 temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14)); 784 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp); 785 } 786 787 if (!amdgpu_sriov_vf(adev)) { 788 /* unhalt engine */ 789 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 790 temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0); 791 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp); 792 } 793 794 /* enable DMA RB */ 795 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); 796 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 797 798 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 799 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); 800 #ifdef __BIG_ENDIAN 801 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); 802 #endif 803 /* enable DMA IBs */ 804 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 805 806 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */ 807 sdma_v5_0_ctx_switch_enable(adev, true); 808 sdma_v5_0_enable(adev, true); 809 } 810 811 r = amdgpu_ring_test_helper(ring); 812 if (r) 813 return r; 814 } 815 816 return 0; 817 } 818 819 /** 820 * sdma_v5_0_rlc_resume - setup and start the async dma engines 821 * 822 * @adev: amdgpu_device pointer 823 * 824 * Set up the compute DMA queues and enable them (NAVI10). 825 * Returns 0 for success, error for failure. 826 */ 827 static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev) 828 { 829 return 0; 830 } 831 832 /** 833 * sdma_v5_0_load_microcode - load the sDMA ME ucode 834 * 835 * @adev: amdgpu_device pointer 836 * 837 * Loads the sDMA0/1 ucode. 838 * Returns 0 for success, -EINVAL if the ucode is not available. 839 */ 840 static int sdma_v5_0_load_microcode(struct amdgpu_device *adev) 841 { 842 const struct sdma_firmware_header_v1_0 *hdr; 843 const __le32 *fw_data; 844 u32 fw_size; 845 int i, j; 846 847 /* halt the MEs */ 848 sdma_v5_0_enable(adev, false); 849 850 for (i = 0; i < adev->sdma.num_instances; i++) { 851 if (!adev->sdma.instance[i].fw) 852 return -EINVAL; 853 854 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 855 amdgpu_ucode_print_sdma_hdr(&hdr->header); 856 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 857 858 fw_data = (const __le32 *) 859 (adev->sdma.instance[i].fw->data + 860 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 861 862 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0); 863 864 for (j = 0; j < fw_size; j++) { 865 if (amdgpu_emu_mode == 1 && j % 500 == 0) 866 msleep(1); 867 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++)); 868 } 869 870 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version); 871 } 872 873 return 0; 874 } 875 876 /** 877 * sdma_v5_0_start - setup and start the async dma engines 878 * 879 * @adev: amdgpu_device pointer 880 * 881 * Set up the DMA engines and enable them (NAVI10). 882 * Returns 0 for success, error for failure. 883 */ 884 static int sdma_v5_0_start(struct amdgpu_device *adev) 885 { 886 int r = 0; 887 888 if (amdgpu_sriov_vf(adev)) { 889 sdma_v5_0_ctx_switch_enable(adev, false); 890 sdma_v5_0_enable(adev, false); 891 892 /* set RB registers */ 893 r = sdma_v5_0_gfx_resume(adev); 894 return r; 895 } 896 897 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { 898 r = sdma_v5_0_load_microcode(adev); 899 if (r) 900 return r; 901 } 902 903 /* unhalt the MEs */ 904 sdma_v5_0_enable(adev, true); 905 /* enable sdma ring preemption */ 906 sdma_v5_0_ctx_switch_enable(adev, true); 907 908 /* start the gfx rings and rlc compute queues */ 909 r = sdma_v5_0_gfx_resume(adev); 910 if (r) 911 return r; 912 r = sdma_v5_0_rlc_resume(adev); 913 914 return r; 915 } 916 917 static int sdma_v5_0_mqd_init(struct amdgpu_device *adev, void *mqd, 918 struct amdgpu_mqd_prop *prop) 919 { 920 struct v10_sdma_mqd *m = mqd; 921 uint64_t wb_gpu_addr; 922 923 m->sdmax_rlcx_rb_cntl = 924 order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | 925 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | 926 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT | 927 1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT; 928 929 m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8); 930 m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8); 931 932 m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0, 933 mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 934 935 wb_gpu_addr = prop->wptr_gpu_addr; 936 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr); 937 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr); 938 939 wb_gpu_addr = prop->rptr_gpu_addr; 940 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr); 941 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr); 942 943 m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0, 944 mmSDMA0_GFX_IB_CNTL)); 945 946 m->sdmax_rlcx_doorbell_offset = 947 prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; 948 949 m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1); 950 951 return 0; 952 } 953 954 static void sdma_v5_0_set_mqd_funcs(struct amdgpu_device *adev) 955 { 956 adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd); 957 adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_0_mqd_init; 958 } 959 960 /** 961 * sdma_v5_0_ring_test_ring - simple async dma engine test 962 * 963 * @ring: amdgpu_ring structure holding ring information 964 * 965 * Test the DMA engine by writing using it to write an 966 * value to memory. (NAVI10). 967 * Returns 0 for success, error for failure. 968 */ 969 static int sdma_v5_0_ring_test_ring(struct amdgpu_ring *ring) 970 { 971 struct amdgpu_device *adev = ring->adev; 972 unsigned i; 973 unsigned index; 974 int r; 975 u32 tmp; 976 u64 gpu_addr; 977 volatile uint32_t *cpu_ptr = NULL; 978 979 tmp = 0xCAFEDEAD; 980 981 if (ring->is_mes_queue) { 982 uint32_t offset = 0; 983 offset = amdgpu_mes_ctx_get_offs(ring, 984 AMDGPU_MES_CTX_PADDING_OFFS); 985 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 986 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 987 *cpu_ptr = tmp; 988 } else { 989 r = amdgpu_device_wb_get(adev, &index); 990 if (r) { 991 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); 992 return r; 993 } 994 995 gpu_addr = adev->wb.gpu_addr + (index * 4); 996 adev->wb.wb[index] = cpu_to_le32(tmp); 997 } 998 999 r = amdgpu_ring_alloc(ring, 20); 1000 if (r) { 1001 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); 1002 amdgpu_device_wb_free(adev, index); 1003 return r; 1004 } 1005 1006 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1007 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 1008 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 1009 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 1010 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 1011 amdgpu_ring_write(ring, 0xDEADBEEF); 1012 amdgpu_ring_commit(ring); 1013 1014 for (i = 0; i < adev->usec_timeout; i++) { 1015 if (ring->is_mes_queue) 1016 tmp = le32_to_cpu(*cpu_ptr); 1017 else 1018 tmp = le32_to_cpu(adev->wb.wb[index]); 1019 if (tmp == 0xDEADBEEF) 1020 break; 1021 if (amdgpu_emu_mode == 1) 1022 msleep(1); 1023 else 1024 udelay(1); 1025 } 1026 1027 if (i >= adev->usec_timeout) 1028 r = -ETIMEDOUT; 1029 1030 if (!ring->is_mes_queue) 1031 amdgpu_device_wb_free(adev, index); 1032 1033 return r; 1034 } 1035 1036 /** 1037 * sdma_v5_0_ring_test_ib - test an IB on the DMA engine 1038 * 1039 * @ring: amdgpu_ring structure holding ring information 1040 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 1041 * 1042 * Test a simple IB in the DMA ring (NAVI10). 1043 * Returns 0 on success, error on failure. 1044 */ 1045 static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) 1046 { 1047 struct amdgpu_device *adev = ring->adev; 1048 struct amdgpu_ib ib; 1049 struct dma_fence *f = NULL; 1050 unsigned index; 1051 long r; 1052 u32 tmp = 0; 1053 u64 gpu_addr; 1054 volatile uint32_t *cpu_ptr = NULL; 1055 1056 tmp = 0xCAFEDEAD; 1057 memset(&ib, 0, sizeof(ib)); 1058 1059 if (ring->is_mes_queue) { 1060 uint32_t offset = 0; 1061 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS); 1062 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1063 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1064 1065 offset = amdgpu_mes_ctx_get_offs(ring, 1066 AMDGPU_MES_CTX_PADDING_OFFS); 1067 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1068 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1069 *cpu_ptr = tmp; 1070 } else { 1071 r = amdgpu_device_wb_get(adev, &index); 1072 if (r) { 1073 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); 1074 return r; 1075 } 1076 1077 gpu_addr = adev->wb.gpu_addr + (index * 4); 1078 adev->wb.wb[index] = cpu_to_le32(tmp); 1079 1080 r = amdgpu_ib_get(adev, NULL, 256, 1081 AMDGPU_IB_POOL_DIRECT, &ib); 1082 if (r) { 1083 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); 1084 goto err0; 1085 } 1086 } 1087 1088 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1089 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1090 ib.ptr[1] = lower_32_bits(gpu_addr); 1091 ib.ptr[2] = upper_32_bits(gpu_addr); 1092 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 1093 ib.ptr[4] = 0xDEADBEEF; 1094 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1095 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1096 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1097 ib.length_dw = 8; 1098 1099 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 1100 if (r) 1101 goto err1; 1102 1103 r = dma_fence_wait_timeout(f, false, timeout); 1104 if (r == 0) { 1105 DRM_ERROR("amdgpu: IB test timed out\n"); 1106 r = -ETIMEDOUT; 1107 goto err1; 1108 } else if (r < 0) { 1109 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 1110 goto err1; 1111 } 1112 1113 if (ring->is_mes_queue) 1114 tmp = le32_to_cpu(*cpu_ptr); 1115 else 1116 tmp = le32_to_cpu(adev->wb.wb[index]); 1117 1118 if (tmp == 0xDEADBEEF) 1119 r = 0; 1120 else 1121 r = -EINVAL; 1122 1123 err1: 1124 amdgpu_ib_free(adev, &ib, NULL); 1125 dma_fence_put(f); 1126 err0: 1127 if (!ring->is_mes_queue) 1128 amdgpu_device_wb_free(adev, index); 1129 return r; 1130 } 1131 1132 1133 /** 1134 * sdma_v5_0_vm_copy_pte - update PTEs by copying them from the GART 1135 * 1136 * @ib: indirect buffer to fill with commands 1137 * @pe: addr of the page entry 1138 * @src: src addr to copy from 1139 * @count: number of page entries to update 1140 * 1141 * Update PTEs by copying them from the GART using sDMA (NAVI10). 1142 */ 1143 static void sdma_v5_0_vm_copy_pte(struct amdgpu_ib *ib, 1144 uint64_t pe, uint64_t src, 1145 unsigned count) 1146 { 1147 unsigned bytes = count * 8; 1148 1149 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1150 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1151 ib->ptr[ib->length_dw++] = bytes - 1; 1152 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1153 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1154 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1155 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1156 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1157 1158 } 1159 1160 /** 1161 * sdma_v5_0_vm_write_pte - update PTEs by writing them manually 1162 * 1163 * @ib: indirect buffer to fill with commands 1164 * @pe: addr of the page entry 1165 * @value: dst addr to write into pe 1166 * @count: number of page entries to update 1167 * @incr: increase next addr by incr bytes 1168 * 1169 * Update PTEs by writing them manually using sDMA (NAVI10). 1170 */ 1171 static void sdma_v5_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1172 uint64_t value, unsigned count, 1173 uint32_t incr) 1174 { 1175 unsigned ndw = count * 2; 1176 1177 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1178 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1179 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1180 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1181 ib->ptr[ib->length_dw++] = ndw - 1; 1182 for (; ndw > 0; ndw -= 2) { 1183 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1184 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1185 value += incr; 1186 } 1187 } 1188 1189 /** 1190 * sdma_v5_0_vm_set_pte_pde - update the page tables using sDMA 1191 * 1192 * @ib: indirect buffer to fill with commands 1193 * @pe: addr of the page entry 1194 * @addr: dst addr to write into pe 1195 * @count: number of page entries to update 1196 * @incr: increase next addr by incr bytes 1197 * @flags: access flags 1198 * 1199 * Update the page tables using sDMA (NAVI10). 1200 */ 1201 static void sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib *ib, 1202 uint64_t pe, 1203 uint64_t addr, unsigned count, 1204 uint32_t incr, uint64_t flags) 1205 { 1206 /* for physically contiguous pages (vram) */ 1207 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE); 1208 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1209 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1210 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1211 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1212 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1213 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1214 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1215 ib->ptr[ib->length_dw++] = 0; 1216 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1217 } 1218 1219 /** 1220 * sdma_v5_0_ring_pad_ib - pad the IB 1221 * @ring: amdgpu_ring structure holding ring information 1222 * @ib: indirect buffer to fill with padding 1223 * 1224 * Pad the IB with NOPs to a boundary multiple of 8. 1225 */ 1226 static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1227 { 1228 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 1229 u32 pad_count; 1230 int i; 1231 1232 pad_count = (-ib->length_dw) & 0x7; 1233 for (i = 0; i < pad_count; i++) 1234 if (sdma && sdma->burst_nop && (i == 0)) 1235 ib->ptr[ib->length_dw++] = 1236 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | 1237 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1238 else 1239 ib->ptr[ib->length_dw++] = 1240 SDMA_PKT_HEADER_OP(SDMA_OP_NOP); 1241 } 1242 1243 1244 /** 1245 * sdma_v5_0_ring_emit_pipeline_sync - sync the pipeline 1246 * 1247 * @ring: amdgpu_ring pointer 1248 * 1249 * Make sure all previous operations are completed (CIK). 1250 */ 1251 static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1252 { 1253 uint32_t seq = ring->fence_drv.sync_seq; 1254 uint64_t addr = ring->fence_drv.gpu_addr; 1255 1256 /* wait for idle */ 1257 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1258 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1259 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ 1260 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)); 1261 amdgpu_ring_write(ring, addr & 0xfffffffc); 1262 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); 1263 amdgpu_ring_write(ring, seq); /* reference */ 1264 amdgpu_ring_write(ring, 0xffffffff); /* mask */ 1265 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1266 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ 1267 } 1268 1269 1270 /** 1271 * sdma_v5_0_ring_emit_vm_flush - vm flush using sDMA 1272 * 1273 * @ring: amdgpu_ring pointer 1274 * @vmid: vmid number to use 1275 * @pd_addr: address 1276 * 1277 * Update the page table base and flush the VM TLB 1278 * using sDMA (NAVI10). 1279 */ 1280 static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 1281 unsigned vmid, uint64_t pd_addr) 1282 { 1283 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1284 } 1285 1286 static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring, 1287 uint32_t reg, uint32_t val) 1288 { 1289 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | 1290 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); 1291 amdgpu_ring_write(ring, reg); 1292 amdgpu_ring_write(ring, val); 1293 } 1294 1295 static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1296 uint32_t val, uint32_t mask) 1297 { 1298 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1299 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1300 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */ 1301 amdgpu_ring_write(ring, reg << 2); 1302 amdgpu_ring_write(ring, 0); 1303 amdgpu_ring_write(ring, val); /* reference */ 1304 amdgpu_ring_write(ring, mask); /* mask */ 1305 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1306 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); 1307 } 1308 1309 static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, 1310 uint32_t reg0, uint32_t reg1, 1311 uint32_t ref, uint32_t mask) 1312 { 1313 amdgpu_ring_emit_wreg(ring, reg0, ref); 1314 /* wait for a cycle to reset vm_inv_eng*_ack */ 1315 amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0); 1316 amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask); 1317 } 1318 1319 static int sdma_v5_0_early_init(void *handle) 1320 { 1321 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1322 int r; 1323 1324 r = sdma_v5_0_init_microcode(adev); 1325 if (r) 1326 return r; 1327 1328 sdma_v5_0_set_ring_funcs(adev); 1329 sdma_v5_0_set_buffer_funcs(adev); 1330 sdma_v5_0_set_vm_pte_funcs(adev); 1331 sdma_v5_0_set_irq_funcs(adev); 1332 sdma_v5_0_set_mqd_funcs(adev); 1333 1334 return 0; 1335 } 1336 1337 1338 static int sdma_v5_0_sw_init(void *handle) 1339 { 1340 struct amdgpu_ring *ring; 1341 int r, i; 1342 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1343 1344 /* SDMA trap event */ 1345 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, 1346 SDMA0_5_0__SRCID__SDMA_TRAP, 1347 &adev->sdma.trap_irq); 1348 if (r) 1349 return r; 1350 1351 /* SDMA trap event */ 1352 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, 1353 SDMA1_5_0__SRCID__SDMA_TRAP, 1354 &adev->sdma.trap_irq); 1355 if (r) 1356 return r; 1357 1358 for (i = 0; i < adev->sdma.num_instances; i++) { 1359 ring = &adev->sdma.instance[i].ring; 1360 ring->ring_obj = NULL; 1361 ring->use_doorbell = true; 1362 1363 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i, 1364 ring->use_doorbell?"true":"false"); 1365 1366 ring->doorbell_index = (i == 0) ? 1367 (adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset 1368 : (adev->doorbell_index.sdma_engine[1] << 1); // get DWORD offset 1369 1370 ring->vm_hub = AMDGPU_GFXHUB(0); 1371 sprintf(ring->name, "sdma%d", i); 1372 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq, 1373 (i == 0) ? AMDGPU_SDMA_IRQ_INSTANCE0 : 1374 AMDGPU_SDMA_IRQ_INSTANCE1, 1375 AMDGPU_RING_PRIO_DEFAULT, NULL); 1376 if (r) 1377 return r; 1378 } 1379 1380 return r; 1381 } 1382 1383 static int sdma_v5_0_sw_fini(void *handle) 1384 { 1385 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1386 int i; 1387 1388 for (i = 0; i < adev->sdma.num_instances; i++) 1389 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1390 1391 amdgpu_sdma_destroy_inst_ctx(adev, false); 1392 1393 return 0; 1394 } 1395 1396 static int sdma_v5_0_hw_init(void *handle) 1397 { 1398 int r; 1399 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1400 1401 sdma_v5_0_init_golden_registers(adev); 1402 1403 r = sdma_v5_0_start(adev); 1404 1405 return r; 1406 } 1407 1408 static int sdma_v5_0_hw_fini(void *handle) 1409 { 1410 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1411 1412 if (amdgpu_sriov_vf(adev)) 1413 return 0; 1414 1415 sdma_v5_0_ctx_switch_enable(adev, false); 1416 sdma_v5_0_enable(adev, false); 1417 1418 return 0; 1419 } 1420 1421 static int sdma_v5_0_suspend(void *handle) 1422 { 1423 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1424 1425 return sdma_v5_0_hw_fini(adev); 1426 } 1427 1428 static int sdma_v5_0_resume(void *handle) 1429 { 1430 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1431 1432 return sdma_v5_0_hw_init(adev); 1433 } 1434 1435 static bool sdma_v5_0_is_idle(void *handle) 1436 { 1437 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1438 u32 i; 1439 1440 for (i = 0; i < adev->sdma.num_instances; i++) { 1441 u32 tmp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG)); 1442 1443 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 1444 return false; 1445 } 1446 1447 return true; 1448 } 1449 1450 static int sdma_v5_0_wait_for_idle(void *handle) 1451 { 1452 unsigned i; 1453 u32 sdma0, sdma1; 1454 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1455 1456 for (i = 0; i < adev->usec_timeout; i++) { 1457 sdma0 = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG)); 1458 sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG)); 1459 1460 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK) 1461 return 0; 1462 udelay(1); 1463 } 1464 return -ETIMEDOUT; 1465 } 1466 1467 static int sdma_v5_0_soft_reset(void *handle) 1468 { 1469 /* todo */ 1470 1471 return 0; 1472 } 1473 1474 static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring) 1475 { 1476 int i, r = 0; 1477 struct amdgpu_device *adev = ring->adev; 1478 u32 index = 0; 1479 u64 sdma_gfx_preempt; 1480 1481 amdgpu_sdma_get_index_from_ring(ring, &index); 1482 if (index == 0) 1483 sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT; 1484 else 1485 sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT; 1486 1487 /* assert preemption condition */ 1488 amdgpu_ring_set_preempt_cond_exec(ring, false); 1489 1490 /* emit the trailing fence */ 1491 ring->trail_seq += 1; 1492 amdgpu_ring_alloc(ring, 10); 1493 sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr, 1494 ring->trail_seq, 0); 1495 amdgpu_ring_commit(ring); 1496 1497 /* assert IB preemption */ 1498 WREG32(sdma_gfx_preempt, 1); 1499 1500 /* poll the trailing fence */ 1501 for (i = 0; i < adev->usec_timeout; i++) { 1502 if (ring->trail_seq == 1503 le32_to_cpu(*(ring->trail_fence_cpu_addr))) 1504 break; 1505 udelay(1); 1506 } 1507 1508 if (i >= adev->usec_timeout) { 1509 r = -EINVAL; 1510 DRM_ERROR("ring %d failed to be preempted\n", ring->idx); 1511 } 1512 1513 /* deassert IB preemption */ 1514 WREG32(sdma_gfx_preempt, 0); 1515 1516 /* deassert the preemption condition */ 1517 amdgpu_ring_set_preempt_cond_exec(ring, true); 1518 return r; 1519 } 1520 1521 static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev, 1522 struct amdgpu_irq_src *source, 1523 unsigned type, 1524 enum amdgpu_interrupt_state state) 1525 { 1526 u32 sdma_cntl; 1527 1528 if (!amdgpu_sriov_vf(adev)) { 1529 u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ? 1530 sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) : 1531 sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL); 1532 1533 sdma_cntl = RREG32(reg_offset); 1534 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1535 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1536 WREG32(reg_offset, sdma_cntl); 1537 } 1538 1539 return 0; 1540 } 1541 1542 static int sdma_v5_0_process_trap_irq(struct amdgpu_device *adev, 1543 struct amdgpu_irq_src *source, 1544 struct amdgpu_iv_entry *entry) 1545 { 1546 uint32_t mes_queue_id = entry->src_data[0]; 1547 1548 DRM_DEBUG("IH: SDMA trap\n"); 1549 1550 if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) { 1551 struct amdgpu_mes_queue *queue; 1552 1553 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK; 1554 1555 spin_lock(&adev->mes.queue_id_lock); 1556 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id); 1557 if (queue) { 1558 DRM_DEBUG("process smda queue id = %d\n", mes_queue_id); 1559 amdgpu_fence_process(queue->ring); 1560 } 1561 spin_unlock(&adev->mes.queue_id_lock); 1562 return 0; 1563 } 1564 1565 switch (entry->client_id) { 1566 case SOC15_IH_CLIENTID_SDMA0: 1567 switch (entry->ring_id) { 1568 case 0: 1569 amdgpu_fence_process(&adev->sdma.instance[0].ring); 1570 break; 1571 case 1: 1572 /* XXX compute */ 1573 break; 1574 case 2: 1575 /* XXX compute */ 1576 break; 1577 case 3: 1578 /* XXX page queue*/ 1579 break; 1580 } 1581 break; 1582 case SOC15_IH_CLIENTID_SDMA1: 1583 switch (entry->ring_id) { 1584 case 0: 1585 amdgpu_fence_process(&adev->sdma.instance[1].ring); 1586 break; 1587 case 1: 1588 /* XXX compute */ 1589 break; 1590 case 2: 1591 /* XXX compute */ 1592 break; 1593 case 3: 1594 /* XXX page queue*/ 1595 break; 1596 } 1597 break; 1598 } 1599 return 0; 1600 } 1601 1602 static int sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev, 1603 struct amdgpu_irq_src *source, 1604 struct amdgpu_iv_entry *entry) 1605 { 1606 return 0; 1607 } 1608 1609 static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev, 1610 bool enable) 1611 { 1612 uint32_t data, def; 1613 int i; 1614 1615 for (i = 0; i < adev->sdma.num_instances; i++) { 1616 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { 1617 /* Enable sdma clock gating */ 1618 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL)); 1619 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1620 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1621 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1622 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1623 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1624 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1625 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1626 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1627 if (def != data) 1628 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data); 1629 } else { 1630 /* Disable sdma clock gating */ 1631 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL)); 1632 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1633 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1634 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1635 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1636 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1637 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1638 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1639 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1640 if (def != data) 1641 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data); 1642 } 1643 } 1644 } 1645 1646 static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev, 1647 bool enable) 1648 { 1649 uint32_t data, def; 1650 int i; 1651 1652 for (i = 0; i < adev->sdma.num_instances; i++) { 1653 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { 1654 /* Enable sdma mem light sleep */ 1655 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL)); 1656 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1657 if (def != data) 1658 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data); 1659 1660 } else { 1661 /* Disable sdma mem light sleep */ 1662 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL)); 1663 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1664 if (def != data) 1665 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data); 1666 1667 } 1668 } 1669 } 1670 1671 static int sdma_v5_0_set_clockgating_state(void *handle, 1672 enum amd_clockgating_state state) 1673 { 1674 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1675 1676 if (amdgpu_sriov_vf(adev)) 1677 return 0; 1678 1679 switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) { 1680 case IP_VERSION(5, 0, 0): 1681 case IP_VERSION(5, 0, 2): 1682 case IP_VERSION(5, 0, 5): 1683 sdma_v5_0_update_medium_grain_clock_gating(adev, 1684 state == AMD_CG_STATE_GATE); 1685 sdma_v5_0_update_medium_grain_light_sleep(adev, 1686 state == AMD_CG_STATE_GATE); 1687 break; 1688 default: 1689 break; 1690 } 1691 1692 return 0; 1693 } 1694 1695 static int sdma_v5_0_set_powergating_state(void *handle, 1696 enum amd_powergating_state state) 1697 { 1698 return 0; 1699 } 1700 1701 static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags) 1702 { 1703 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1704 int data; 1705 1706 if (amdgpu_sriov_vf(adev)) 1707 *flags = 0; 1708 1709 /* AMD_CG_SUPPORT_SDMA_MGCG */ 1710 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL)); 1711 if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK)) 1712 *flags |= AMD_CG_SUPPORT_SDMA_MGCG; 1713 1714 /* AMD_CG_SUPPORT_SDMA_LS */ 1715 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL)); 1716 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) 1717 *flags |= AMD_CG_SUPPORT_SDMA_LS; 1718 } 1719 1720 const struct amd_ip_funcs sdma_v5_0_ip_funcs = { 1721 .name = "sdma_v5_0", 1722 .early_init = sdma_v5_0_early_init, 1723 .late_init = NULL, 1724 .sw_init = sdma_v5_0_sw_init, 1725 .sw_fini = sdma_v5_0_sw_fini, 1726 .hw_init = sdma_v5_0_hw_init, 1727 .hw_fini = sdma_v5_0_hw_fini, 1728 .suspend = sdma_v5_0_suspend, 1729 .resume = sdma_v5_0_resume, 1730 .is_idle = sdma_v5_0_is_idle, 1731 .wait_for_idle = sdma_v5_0_wait_for_idle, 1732 .soft_reset = sdma_v5_0_soft_reset, 1733 .set_clockgating_state = sdma_v5_0_set_clockgating_state, 1734 .set_powergating_state = sdma_v5_0_set_powergating_state, 1735 .get_clockgating_state = sdma_v5_0_get_clockgating_state, 1736 }; 1737 1738 static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = { 1739 .type = AMDGPU_RING_TYPE_SDMA, 1740 .align_mask = 0xf, 1741 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1742 .support_64bit_ptrs = true, 1743 .secure_submission_supported = true, 1744 .get_rptr = sdma_v5_0_ring_get_rptr, 1745 .get_wptr = sdma_v5_0_ring_get_wptr, 1746 .set_wptr = sdma_v5_0_ring_set_wptr, 1747 .emit_frame_size = 1748 5 + /* sdma_v5_0_ring_init_cond_exec */ 1749 6 + /* sdma_v5_0_ring_emit_hdp_flush */ 1750 3 + /* hdp_invalidate */ 1751 6 + /* sdma_v5_0_ring_emit_pipeline_sync */ 1752 /* sdma_v5_0_ring_emit_vm_flush */ 1753 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1754 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 + 1755 10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */ 1756 .emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */ 1757 .emit_ib = sdma_v5_0_ring_emit_ib, 1758 .emit_mem_sync = sdma_v5_0_ring_emit_mem_sync, 1759 .emit_fence = sdma_v5_0_ring_emit_fence, 1760 .emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync, 1761 .emit_vm_flush = sdma_v5_0_ring_emit_vm_flush, 1762 .emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush, 1763 .test_ring = sdma_v5_0_ring_test_ring, 1764 .test_ib = sdma_v5_0_ring_test_ib, 1765 .insert_nop = sdma_v5_0_ring_insert_nop, 1766 .pad_ib = sdma_v5_0_ring_pad_ib, 1767 .emit_wreg = sdma_v5_0_ring_emit_wreg, 1768 .emit_reg_wait = sdma_v5_0_ring_emit_reg_wait, 1769 .emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait, 1770 .init_cond_exec = sdma_v5_0_ring_init_cond_exec, 1771 .preempt_ib = sdma_v5_0_ring_preempt_ib, 1772 }; 1773 1774 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev) 1775 { 1776 int i; 1777 1778 for (i = 0; i < adev->sdma.num_instances; i++) { 1779 adev->sdma.instance[i].ring.funcs = &sdma_v5_0_ring_funcs; 1780 adev->sdma.instance[i].ring.me = i; 1781 } 1782 } 1783 1784 static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = { 1785 .set = sdma_v5_0_set_trap_irq_state, 1786 .process = sdma_v5_0_process_trap_irq, 1787 }; 1788 1789 static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = { 1790 .process = sdma_v5_0_process_illegal_inst_irq, 1791 }; 1792 1793 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev) 1794 { 1795 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 + 1796 adev->sdma.num_instances; 1797 adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs; 1798 adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs; 1799 } 1800 1801 /** 1802 * sdma_v5_0_emit_copy_buffer - copy buffer using the sDMA engine 1803 * 1804 * @ib: indirect buffer to copy to 1805 * @src_offset: src GPU address 1806 * @dst_offset: dst GPU address 1807 * @byte_count: number of bytes to xfer 1808 * @tmz: if a secure copy should be used 1809 * 1810 * Copy GPU buffers using the DMA engine (NAVI10). 1811 * Used by the amdgpu ttm implementation to move pages if 1812 * registered as the asic copy callback. 1813 */ 1814 static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib, 1815 uint64_t src_offset, 1816 uint64_t dst_offset, 1817 uint32_t byte_count, 1818 bool tmz) 1819 { 1820 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1821 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) | 1822 SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0); 1823 ib->ptr[ib->length_dw++] = byte_count - 1; 1824 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1825 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 1826 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 1827 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1828 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1829 } 1830 1831 /** 1832 * sdma_v5_0_emit_fill_buffer - fill buffer using the sDMA engine 1833 * 1834 * @ib: indirect buffer to fill 1835 * @src_data: value to write to buffer 1836 * @dst_offset: dst GPU address 1837 * @byte_count: number of bytes to xfer 1838 * 1839 * Fill GPU buffers using the DMA engine (NAVI10). 1840 */ 1841 static void sdma_v5_0_emit_fill_buffer(struct amdgpu_ib *ib, 1842 uint32_t src_data, 1843 uint64_t dst_offset, 1844 uint32_t byte_count) 1845 { 1846 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); 1847 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1848 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1849 ib->ptr[ib->length_dw++] = src_data; 1850 ib->ptr[ib->length_dw++] = byte_count - 1; 1851 } 1852 1853 static const struct amdgpu_buffer_funcs sdma_v5_0_buffer_funcs = { 1854 .copy_max_bytes = 0x400000, 1855 .copy_num_dw = 7, 1856 .emit_copy_buffer = sdma_v5_0_emit_copy_buffer, 1857 1858 .fill_max_bytes = 0x400000, 1859 .fill_num_dw = 5, 1860 .emit_fill_buffer = sdma_v5_0_emit_fill_buffer, 1861 }; 1862 1863 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev) 1864 { 1865 if (adev->mman.buffer_funcs == NULL) { 1866 adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs; 1867 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 1868 } 1869 } 1870 1871 static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = { 1872 .copy_pte_num_dw = 7, 1873 .copy_pte = sdma_v5_0_vm_copy_pte, 1874 .write_pte = sdma_v5_0_vm_write_pte, 1875 .set_pte_pde = sdma_v5_0_vm_set_pte_pde, 1876 }; 1877 1878 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev) 1879 { 1880 unsigned i; 1881 1882 if (adev->vm_manager.vm_pte_funcs == NULL) { 1883 adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs; 1884 for (i = 0; i < adev->sdma.num_instances; i++) { 1885 adev->vm_manager.vm_pte_scheds[i] = 1886 &adev->sdma.instance[i].ring.sched; 1887 } 1888 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances; 1889 } 1890 } 1891 1892 const struct amdgpu_ip_block_version sdma_v5_0_ip_block = { 1893 .type = AMD_IP_BLOCK_TYPE_SDMA, 1894 .major = 5, 1895 .minor = 0, 1896 .rev = 0, 1897 .funcs = &sdma_v5_0_ip_funcs, 1898 }; 1899