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 (adev->ip_versions[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 { int ret, i; 241 242 if (amdgpu_sriov_vf(adev) && (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(5, 0, 5))) 243 return 0; 244 245 for (i = 0; i < adev->sdma.num_instances; i++) { 246 ret = amdgpu_sdma_init_microcode(adev, i, false); 247 if (ret) 248 return ret; 249 } 250 251 return ret; 252 } 253 254 static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring) 255 { 256 unsigned ret; 257 258 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE)); 259 amdgpu_ring_write(ring, lower_32_bits(ring->cond_exe_gpu_addr)); 260 amdgpu_ring_write(ring, upper_32_bits(ring->cond_exe_gpu_addr)); 261 amdgpu_ring_write(ring, 1); 262 ret = ring->wptr & ring->buf_mask;/* this is the offset we need patch later */ 263 amdgpu_ring_write(ring, 0x55aa55aa);/* insert dummy here and patch it later */ 264 265 return ret; 266 } 267 268 static void sdma_v5_0_ring_patch_cond_exec(struct amdgpu_ring *ring, 269 unsigned offset) 270 { 271 unsigned cur; 272 273 BUG_ON(offset > ring->buf_mask); 274 BUG_ON(ring->ring[offset] != 0x55aa55aa); 275 276 cur = (ring->wptr - 1) & ring->buf_mask; 277 if (cur > offset) 278 ring->ring[offset] = cur - offset; 279 else 280 ring->ring[offset] = (ring->buf_mask + 1) - offset + cur; 281 } 282 283 /** 284 * sdma_v5_0_ring_get_rptr - get the current read pointer 285 * 286 * @ring: amdgpu ring pointer 287 * 288 * Get the current rptr from the hardware (NAVI10+). 289 */ 290 static uint64_t sdma_v5_0_ring_get_rptr(struct amdgpu_ring *ring) 291 { 292 u64 *rptr; 293 294 /* XXX check if swapping is necessary on BE */ 295 rptr = (u64 *)ring->rptr_cpu_addr; 296 297 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); 298 return ((*rptr) >> 2); 299 } 300 301 /** 302 * sdma_v5_0_ring_get_wptr - get the current write pointer 303 * 304 * @ring: amdgpu ring pointer 305 * 306 * Get the current wptr from the hardware (NAVI10+). 307 */ 308 static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring) 309 { 310 struct amdgpu_device *adev = ring->adev; 311 u64 wptr; 312 313 if (ring->use_doorbell) { 314 /* XXX check if swapping is necessary on BE */ 315 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr)); 316 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 317 } else { 318 wptr = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI)); 319 wptr = wptr << 32; 320 wptr |= RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR)); 321 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr); 322 } 323 324 return wptr >> 2; 325 } 326 327 /** 328 * sdma_v5_0_ring_set_wptr - commit the write pointer 329 * 330 * @ring: amdgpu ring pointer 331 * 332 * Write the wptr back to the hardware (NAVI10+). 333 */ 334 static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring) 335 { 336 struct amdgpu_device *adev = ring->adev; 337 uint32_t *wptr_saved; 338 uint32_t *is_queue_unmap; 339 uint64_t aggregated_db_index; 340 uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size; 341 342 DRM_DEBUG("Setting write pointer\n"); 343 if (ring->is_mes_queue) { 344 wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size); 345 is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size + 346 sizeof(uint32_t)); 347 aggregated_db_index = 348 amdgpu_mes_get_aggregated_doorbell_index(adev, 349 AMDGPU_MES_PRIORITY_LEVEL_NORMAL); 350 351 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 352 ring->wptr << 2); 353 *wptr_saved = ring->wptr << 2; 354 if (*is_queue_unmap) { 355 WDOORBELL64(aggregated_db_index, ring->wptr << 2); 356 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 357 ring->doorbell_index, ring->wptr << 2); 358 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 359 } else { 360 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 361 ring->doorbell_index, ring->wptr << 2); 362 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 363 364 if (*is_queue_unmap) 365 WDOORBELL64(aggregated_db_index, 366 ring->wptr << 2); 367 } 368 } else { 369 if (ring->use_doorbell) { 370 DRM_DEBUG("Using doorbell -- " 371 "wptr_offs == 0x%08x " 372 "lower_32_bits(ring->wptr) << 2 == 0x%08x " 373 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", 374 ring->wptr_offs, 375 lower_32_bits(ring->wptr << 2), 376 upper_32_bits(ring->wptr << 2)); 377 /* XXX check if swapping is necessary on BE */ 378 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 379 ring->wptr << 2); 380 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 381 ring->doorbell_index, ring->wptr << 2); 382 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 383 } else { 384 DRM_DEBUG("Not using doorbell -- " 385 "mmSDMA%i_GFX_RB_WPTR == 0x%08x " 386 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 387 ring->me, 388 lower_32_bits(ring->wptr << 2), 389 ring->me, 390 upper_32_bits(ring->wptr << 2)); 391 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, 392 ring->me, mmSDMA0_GFX_RB_WPTR), 393 lower_32_bits(ring->wptr << 2)); 394 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, 395 ring->me, mmSDMA0_GFX_RB_WPTR_HI), 396 upper_32_bits(ring->wptr << 2)); 397 } 398 } 399 } 400 401 static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 402 { 403 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 404 int i; 405 406 for (i = 0; i < count; i++) 407 if (sdma && sdma->burst_nop && (i == 0)) 408 amdgpu_ring_write(ring, ring->funcs->nop | 409 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 410 else 411 amdgpu_ring_write(ring, ring->funcs->nop); 412 } 413 414 /** 415 * sdma_v5_0_ring_emit_ib - Schedule an IB on the DMA engine 416 * 417 * @ring: amdgpu ring pointer 418 * @job: job to retrieve vmid from 419 * @ib: IB object to schedule 420 * @flags: unused 421 * 422 * Schedule an IB in the DMA ring (NAVI10). 423 */ 424 static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 425 struct amdgpu_job *job, 426 struct amdgpu_ib *ib, 427 uint32_t flags) 428 { 429 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 430 uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid); 431 432 /* An IB packet must end on a 8 DW boundary--the next dword 433 * must be on a 8-dword boundary. Our IB packet below is 6 434 * dwords long, thus add x number of NOPs, such that, in 435 * modular arithmetic, 436 * wptr + 6 + x = 8k, k >= 0, which in C is, 437 * (wptr + 6 + x) % 8 = 0. 438 * The expression below, is a solution of x. 439 */ 440 sdma_v5_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); 441 442 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | 443 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 444 /* base must be 32 byte aligned */ 445 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 446 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 447 amdgpu_ring_write(ring, ib->length_dw); 448 amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr)); 449 amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr)); 450 } 451 452 /** 453 * sdma_v5_0_ring_emit_mem_sync - flush the IB by graphics cache rinse 454 * 455 * @ring: amdgpu ring pointer 456 * 457 * flush the IB by graphics cache rinse. 458 */ 459 static void sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring *ring) 460 { 461 uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV | 462 SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV | 463 SDMA_GCR_GLI_INV(1); 464 465 /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */ 466 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ)); 467 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0)); 468 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) | 469 SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0)); 470 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) | 471 SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16)); 472 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) | 473 SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0)); 474 } 475 476 /** 477 * sdma_v5_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 478 * 479 * @ring: amdgpu ring pointer 480 * 481 * Emit an hdp flush packet on the requested DMA ring. 482 */ 483 static void sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 484 { 485 struct amdgpu_device *adev = ring->adev; 486 u32 ref_and_mask = 0; 487 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg; 488 489 if (ring->me == 0) 490 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0; 491 else 492 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1; 493 494 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 495 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | 496 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 497 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2); 498 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2); 499 amdgpu_ring_write(ring, ref_and_mask); /* reference */ 500 amdgpu_ring_write(ring, ref_and_mask); /* mask */ 501 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 502 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ 503 } 504 505 /** 506 * sdma_v5_0_ring_emit_fence - emit a fence on the DMA ring 507 * 508 * @ring: amdgpu ring pointer 509 * @addr: address 510 * @seq: sequence number 511 * @flags: fence related flags 512 * 513 * Add a DMA fence packet to the ring to write 514 * the fence seq number and DMA trap packet to generate 515 * an interrupt if needed (NAVI10). 516 */ 517 static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 518 unsigned flags) 519 { 520 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 521 /* write the fence */ 522 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) | 523 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */ 524 /* zero in first two bits */ 525 BUG_ON(addr & 0x3); 526 amdgpu_ring_write(ring, lower_32_bits(addr)); 527 amdgpu_ring_write(ring, upper_32_bits(addr)); 528 amdgpu_ring_write(ring, lower_32_bits(seq)); 529 530 /* optionally write high bits as well */ 531 if (write64bit) { 532 addr += 4; 533 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) | 534 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); 535 /* zero in first two bits */ 536 BUG_ON(addr & 0x3); 537 amdgpu_ring_write(ring, lower_32_bits(addr)); 538 amdgpu_ring_write(ring, upper_32_bits(addr)); 539 amdgpu_ring_write(ring, upper_32_bits(seq)); 540 } 541 542 if (flags & AMDGPU_FENCE_FLAG_INT) { 543 uint32_t ctx = ring->is_mes_queue ? 544 (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0; 545 /* generate an interrupt */ 546 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); 547 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx)); 548 } 549 } 550 551 552 /** 553 * sdma_v5_0_gfx_stop - stop the gfx async dma engines 554 * 555 * @adev: amdgpu_device pointer 556 * 557 * Stop the gfx async dma ring buffers (NAVI10). 558 */ 559 static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev) 560 { 561 u32 rb_cntl, ib_cntl; 562 int i; 563 564 amdgpu_sdma_unset_buffer_funcs_helper(adev); 565 566 for (i = 0; i < adev->sdma.num_instances; i++) { 567 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 568 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); 569 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 570 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 571 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); 572 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 573 } 574 } 575 576 /** 577 * sdma_v5_0_rlc_stop - stop the compute async dma engines 578 * 579 * @adev: amdgpu_device pointer 580 * 581 * Stop the compute async dma queues (NAVI10). 582 */ 583 static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev) 584 { 585 /* XXX todo */ 586 } 587 588 /** 589 * sdma_v5_0_ctx_switch_enable - stop the async dma engines context switch 590 * 591 * @adev: amdgpu_device pointer 592 * @enable: enable/disable the DMA MEs context switch. 593 * 594 * Halt or unhalt the async dma engines context switch (NAVI10). 595 */ 596 static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) 597 { 598 u32 f32_cntl = 0, phase_quantum = 0; 599 int i; 600 601 if (amdgpu_sdma_phase_quantum) { 602 unsigned value = amdgpu_sdma_phase_quantum; 603 unsigned unit = 0; 604 605 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 606 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) { 607 value = (value + 1) >> 1; 608 unit++; 609 } 610 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 611 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) { 612 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 613 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT); 614 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 615 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT); 616 WARN_ONCE(1, 617 "clamping sdma_phase_quantum to %uK clock cycles\n", 618 value << unit); 619 } 620 phase_quantum = 621 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT | 622 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT; 623 } 624 625 for (i = 0; i < adev->sdma.num_instances; i++) { 626 if (!amdgpu_sriov_vf(adev)) { 627 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL)); 628 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, 629 AUTO_CTXSW_ENABLE, enable ? 1 : 0); 630 } 631 632 if (enable && amdgpu_sdma_phase_quantum) { 633 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM), 634 phase_quantum); 635 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM), 636 phase_quantum); 637 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM), 638 phase_quantum); 639 } 640 if (!amdgpu_sriov_vf(adev)) 641 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl); 642 } 643 644 } 645 646 /** 647 * sdma_v5_0_enable - stop the async dma engines 648 * 649 * @adev: amdgpu_device pointer 650 * @enable: enable/disable the DMA MEs. 651 * 652 * Halt or unhalt the async dma engines (NAVI10). 653 */ 654 static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable) 655 { 656 u32 f32_cntl; 657 int i; 658 659 if (!enable) { 660 sdma_v5_0_gfx_stop(adev); 661 sdma_v5_0_rlc_stop(adev); 662 } 663 664 if (amdgpu_sriov_vf(adev)) 665 return; 666 667 for (i = 0; i < adev->sdma.num_instances; i++) { 668 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 669 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1); 670 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl); 671 } 672 } 673 674 /** 675 * sdma_v5_0_gfx_resume - setup and start the async dma engines 676 * 677 * @adev: amdgpu_device pointer 678 * 679 * Set up the gfx DMA ring buffers and enable them (NAVI10). 680 * Returns 0 for success, error for failure. 681 */ 682 static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev) 683 { 684 struct amdgpu_ring *ring; 685 u32 rb_cntl, ib_cntl; 686 u32 rb_bufsz; 687 u32 doorbell; 688 u32 doorbell_offset; 689 u32 temp; 690 u32 wptr_poll_cntl; 691 u64 wptr_gpu_addr; 692 int i, r; 693 694 for (i = 0; i < adev->sdma.num_instances; i++) { 695 ring = &adev->sdma.instance[i].ring; 696 697 if (!amdgpu_sriov_vf(adev)) 698 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0); 699 700 /* Set ring buffer size in dwords */ 701 rb_bufsz = order_base_2(ring->ring_size / 4); 702 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 703 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); 704 #ifdef __BIG_ENDIAN 705 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); 706 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, 707 RPTR_WRITEBACK_SWAP_ENABLE, 1); 708 #endif 709 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 710 711 /* Initialize the ring buffer's read and write pointers */ 712 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0); 713 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0); 714 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0); 715 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0); 716 717 /* setup the wptr shadow polling */ 718 wptr_gpu_addr = ring->wptr_gpu_addr; 719 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO), 720 lower_32_bits(wptr_gpu_addr)); 721 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI), 722 upper_32_bits(wptr_gpu_addr)); 723 wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, 724 mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 725 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, 726 SDMA0_GFX_RB_WPTR_POLL_CNTL, 727 F32_POLL_ENABLE, 1); 728 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL), 729 wptr_poll_cntl); 730 731 /* set the wb address whether it's enabled or not */ 732 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI), 733 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF); 734 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO), 735 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); 736 737 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); 738 739 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE), 740 ring->gpu_addr >> 8); 741 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI), 742 ring->gpu_addr >> 40); 743 744 ring->wptr = 0; 745 746 /* before programing wptr to a less value, need set minor_ptr_update first */ 747 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1); 748 749 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */ 750 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 751 lower_32_bits(ring->wptr << 2)); 752 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 753 upper_32_bits(ring->wptr << 2)); 754 } 755 756 doorbell = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL)); 757 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, 758 mmSDMA0_GFX_DOORBELL_OFFSET)); 759 760 if (ring->use_doorbell) { 761 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1); 762 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET, 763 OFFSET, ring->doorbell_index); 764 } else { 765 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0); 766 } 767 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell); 768 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET), 769 doorbell_offset); 770 771 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell, 772 ring->doorbell_index, 20); 773 774 if (amdgpu_sriov_vf(adev)) 775 sdma_v5_0_ring_set_wptr(ring); 776 777 /* set minor_ptr_update to 0 after wptr programed */ 778 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0); 779 780 if (!amdgpu_sriov_vf(adev)) { 781 /* set utc l1 enable flag always to 1 */ 782 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL)); 783 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1); 784 785 /* enable MCBP */ 786 temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1); 787 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp); 788 789 /* Set up RESP_MODE to non-copy addresses */ 790 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL)); 791 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3); 792 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9); 793 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp); 794 795 /* program default cache read and write policy */ 796 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE)); 797 /* clean read policy and write policy bits */ 798 temp &= 0xFF0FFF; 799 temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14)); 800 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp); 801 } 802 803 if (!amdgpu_sriov_vf(adev)) { 804 /* unhalt engine */ 805 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 806 temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0); 807 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp); 808 } 809 810 /* enable DMA RB */ 811 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); 812 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 813 814 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 815 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); 816 #ifdef __BIG_ENDIAN 817 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); 818 #endif 819 /* enable DMA IBs */ 820 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 821 822 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */ 823 sdma_v5_0_ctx_switch_enable(adev, true); 824 sdma_v5_0_enable(adev, true); 825 } 826 827 r = amdgpu_ring_test_helper(ring); 828 if (r) 829 return r; 830 831 if (adev->mman.buffer_funcs_ring == ring) 832 amdgpu_ttm_set_buffer_funcs_status(adev, true); 833 } 834 835 return 0; 836 } 837 838 /** 839 * sdma_v5_0_rlc_resume - setup and start the async dma engines 840 * 841 * @adev: amdgpu_device pointer 842 * 843 * Set up the compute DMA queues and enable them (NAVI10). 844 * Returns 0 for success, error for failure. 845 */ 846 static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev) 847 { 848 return 0; 849 } 850 851 /** 852 * sdma_v5_0_load_microcode - load the sDMA ME ucode 853 * 854 * @adev: amdgpu_device pointer 855 * 856 * Loads the sDMA0/1 ucode. 857 * Returns 0 for success, -EINVAL if the ucode is not available. 858 */ 859 static int sdma_v5_0_load_microcode(struct amdgpu_device *adev) 860 { 861 const struct sdma_firmware_header_v1_0 *hdr; 862 const __le32 *fw_data; 863 u32 fw_size; 864 int i, j; 865 866 /* halt the MEs */ 867 sdma_v5_0_enable(adev, false); 868 869 for (i = 0; i < adev->sdma.num_instances; i++) { 870 if (!adev->sdma.instance[i].fw) 871 return -EINVAL; 872 873 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 874 amdgpu_ucode_print_sdma_hdr(&hdr->header); 875 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 876 877 fw_data = (const __le32 *) 878 (adev->sdma.instance[i].fw->data + 879 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 880 881 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0); 882 883 for (j = 0; j < fw_size; j++) { 884 if (amdgpu_emu_mode == 1 && j % 500 == 0) 885 msleep(1); 886 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++)); 887 } 888 889 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version); 890 } 891 892 return 0; 893 } 894 895 /** 896 * sdma_v5_0_start - setup and start the async dma engines 897 * 898 * @adev: amdgpu_device pointer 899 * 900 * Set up the DMA engines and enable them (NAVI10). 901 * Returns 0 for success, error for failure. 902 */ 903 static int sdma_v5_0_start(struct amdgpu_device *adev) 904 { 905 int r = 0; 906 907 if (amdgpu_sriov_vf(adev)) { 908 sdma_v5_0_ctx_switch_enable(adev, false); 909 sdma_v5_0_enable(adev, false); 910 911 /* set RB registers */ 912 r = sdma_v5_0_gfx_resume(adev); 913 return r; 914 } 915 916 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { 917 r = sdma_v5_0_load_microcode(adev); 918 if (r) 919 return r; 920 } 921 922 /* unhalt the MEs */ 923 sdma_v5_0_enable(adev, true); 924 /* enable sdma ring preemption */ 925 sdma_v5_0_ctx_switch_enable(adev, true); 926 927 /* start the gfx rings and rlc compute queues */ 928 r = sdma_v5_0_gfx_resume(adev); 929 if (r) 930 return r; 931 r = sdma_v5_0_rlc_resume(adev); 932 933 return r; 934 } 935 936 static int sdma_v5_0_mqd_init(struct amdgpu_device *adev, void *mqd, 937 struct amdgpu_mqd_prop *prop) 938 { 939 struct v10_sdma_mqd *m = mqd; 940 uint64_t wb_gpu_addr; 941 942 m->sdmax_rlcx_rb_cntl = 943 order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | 944 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | 945 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT | 946 1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT; 947 948 m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8); 949 m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8); 950 951 m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0, 952 mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 953 954 wb_gpu_addr = prop->wptr_gpu_addr; 955 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr); 956 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr); 957 958 wb_gpu_addr = prop->rptr_gpu_addr; 959 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr); 960 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr); 961 962 m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0, 963 mmSDMA0_GFX_IB_CNTL)); 964 965 m->sdmax_rlcx_doorbell_offset = 966 prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; 967 968 m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1); 969 970 return 0; 971 } 972 973 static void sdma_v5_0_set_mqd_funcs(struct amdgpu_device *adev) 974 { 975 adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd); 976 adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_0_mqd_init; 977 } 978 979 /** 980 * sdma_v5_0_ring_test_ring - simple async dma engine test 981 * 982 * @ring: amdgpu_ring structure holding ring information 983 * 984 * Test the DMA engine by writing using it to write an 985 * value to memory. (NAVI10). 986 * Returns 0 for success, error for failure. 987 */ 988 static int sdma_v5_0_ring_test_ring(struct amdgpu_ring *ring) 989 { 990 struct amdgpu_device *adev = ring->adev; 991 unsigned i; 992 unsigned index; 993 int r; 994 u32 tmp; 995 u64 gpu_addr; 996 volatile uint32_t *cpu_ptr = NULL; 997 998 tmp = 0xCAFEDEAD; 999 1000 if (ring->is_mes_queue) { 1001 uint32_t offset = 0; 1002 offset = amdgpu_mes_ctx_get_offs(ring, 1003 AMDGPU_MES_CTX_PADDING_OFFS); 1004 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1005 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1006 *cpu_ptr = tmp; 1007 } else { 1008 r = amdgpu_device_wb_get(adev, &index); 1009 if (r) { 1010 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); 1011 return r; 1012 } 1013 1014 gpu_addr = adev->wb.gpu_addr + (index * 4); 1015 adev->wb.wb[index] = cpu_to_le32(tmp); 1016 } 1017 1018 r = amdgpu_ring_alloc(ring, 20); 1019 if (r) { 1020 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); 1021 amdgpu_device_wb_free(adev, index); 1022 return r; 1023 } 1024 1025 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1026 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 1027 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 1028 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 1029 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 1030 amdgpu_ring_write(ring, 0xDEADBEEF); 1031 amdgpu_ring_commit(ring); 1032 1033 for (i = 0; i < adev->usec_timeout; i++) { 1034 if (ring->is_mes_queue) 1035 tmp = le32_to_cpu(*cpu_ptr); 1036 else 1037 tmp = le32_to_cpu(adev->wb.wb[index]); 1038 if (tmp == 0xDEADBEEF) 1039 break; 1040 if (amdgpu_emu_mode == 1) 1041 msleep(1); 1042 else 1043 udelay(1); 1044 } 1045 1046 if (i >= adev->usec_timeout) 1047 r = -ETIMEDOUT; 1048 1049 if (!ring->is_mes_queue) 1050 amdgpu_device_wb_free(adev, index); 1051 1052 return r; 1053 } 1054 1055 /** 1056 * sdma_v5_0_ring_test_ib - test an IB on the DMA engine 1057 * 1058 * @ring: amdgpu_ring structure holding ring information 1059 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 1060 * 1061 * Test a simple IB in the DMA ring (NAVI10). 1062 * Returns 0 on success, error on failure. 1063 */ 1064 static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) 1065 { 1066 struct amdgpu_device *adev = ring->adev; 1067 struct amdgpu_ib ib; 1068 struct dma_fence *f = NULL; 1069 unsigned index; 1070 long r; 1071 u32 tmp = 0; 1072 u64 gpu_addr; 1073 volatile uint32_t *cpu_ptr = NULL; 1074 1075 tmp = 0xCAFEDEAD; 1076 memset(&ib, 0, sizeof(ib)); 1077 1078 if (ring->is_mes_queue) { 1079 uint32_t offset = 0; 1080 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS); 1081 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1082 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1083 1084 offset = amdgpu_mes_ctx_get_offs(ring, 1085 AMDGPU_MES_CTX_PADDING_OFFS); 1086 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1087 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1088 *cpu_ptr = tmp; 1089 } else { 1090 r = amdgpu_device_wb_get(adev, &index); 1091 if (r) { 1092 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); 1093 return r; 1094 } 1095 1096 gpu_addr = adev->wb.gpu_addr + (index * 4); 1097 adev->wb.wb[index] = cpu_to_le32(tmp); 1098 1099 r = amdgpu_ib_get(adev, NULL, 256, 1100 AMDGPU_IB_POOL_DIRECT, &ib); 1101 if (r) { 1102 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); 1103 goto err0; 1104 } 1105 } 1106 1107 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1108 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1109 ib.ptr[1] = lower_32_bits(gpu_addr); 1110 ib.ptr[2] = upper_32_bits(gpu_addr); 1111 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 1112 ib.ptr[4] = 0xDEADBEEF; 1113 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1114 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1115 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1116 ib.length_dw = 8; 1117 1118 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 1119 if (r) 1120 goto err1; 1121 1122 r = dma_fence_wait_timeout(f, false, timeout); 1123 if (r == 0) { 1124 DRM_ERROR("amdgpu: IB test timed out\n"); 1125 r = -ETIMEDOUT; 1126 goto err1; 1127 } else if (r < 0) { 1128 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 1129 goto err1; 1130 } 1131 1132 if (ring->is_mes_queue) 1133 tmp = le32_to_cpu(*cpu_ptr); 1134 else 1135 tmp = le32_to_cpu(adev->wb.wb[index]); 1136 1137 if (tmp == 0xDEADBEEF) 1138 r = 0; 1139 else 1140 r = -EINVAL; 1141 1142 err1: 1143 amdgpu_ib_free(adev, &ib, NULL); 1144 dma_fence_put(f); 1145 err0: 1146 if (!ring->is_mes_queue) 1147 amdgpu_device_wb_free(adev, index); 1148 return r; 1149 } 1150 1151 1152 /** 1153 * sdma_v5_0_vm_copy_pte - update PTEs by copying them from the GART 1154 * 1155 * @ib: indirect buffer to fill with commands 1156 * @pe: addr of the page entry 1157 * @src: src addr to copy from 1158 * @count: number of page entries to update 1159 * 1160 * Update PTEs by copying them from the GART using sDMA (NAVI10). 1161 */ 1162 static void sdma_v5_0_vm_copy_pte(struct amdgpu_ib *ib, 1163 uint64_t pe, uint64_t src, 1164 unsigned count) 1165 { 1166 unsigned bytes = count * 8; 1167 1168 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1169 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1170 ib->ptr[ib->length_dw++] = bytes - 1; 1171 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1172 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1173 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1174 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1175 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1176 1177 } 1178 1179 /** 1180 * sdma_v5_0_vm_write_pte - update PTEs by writing them manually 1181 * 1182 * @ib: indirect buffer to fill with commands 1183 * @pe: addr of the page entry 1184 * @value: dst addr to write into pe 1185 * @count: number of page entries to update 1186 * @incr: increase next addr by incr bytes 1187 * 1188 * Update PTEs by writing them manually using sDMA (NAVI10). 1189 */ 1190 static void sdma_v5_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1191 uint64_t value, unsigned count, 1192 uint32_t incr) 1193 { 1194 unsigned ndw = count * 2; 1195 1196 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1197 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1198 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1199 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1200 ib->ptr[ib->length_dw++] = ndw - 1; 1201 for (; ndw > 0; ndw -= 2) { 1202 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1203 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1204 value += incr; 1205 } 1206 } 1207 1208 /** 1209 * sdma_v5_0_vm_set_pte_pde - update the page tables using sDMA 1210 * 1211 * @ib: indirect buffer to fill with commands 1212 * @pe: addr of the page entry 1213 * @addr: dst addr to write into pe 1214 * @count: number of page entries to update 1215 * @incr: increase next addr by incr bytes 1216 * @flags: access flags 1217 * 1218 * Update the page tables using sDMA (NAVI10). 1219 */ 1220 static void sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib *ib, 1221 uint64_t pe, 1222 uint64_t addr, unsigned count, 1223 uint32_t incr, uint64_t flags) 1224 { 1225 /* for physically contiguous pages (vram) */ 1226 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE); 1227 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1228 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1229 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1230 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1231 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1232 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1233 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1234 ib->ptr[ib->length_dw++] = 0; 1235 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1236 } 1237 1238 /** 1239 * sdma_v5_0_ring_pad_ib - pad the IB 1240 * @ring: amdgpu_ring structure holding ring information 1241 * @ib: indirect buffer to fill with padding 1242 * 1243 * Pad the IB with NOPs to a boundary multiple of 8. 1244 */ 1245 static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1246 { 1247 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 1248 u32 pad_count; 1249 int i; 1250 1251 pad_count = (-ib->length_dw) & 0x7; 1252 for (i = 0; i < pad_count; i++) 1253 if (sdma && sdma->burst_nop && (i == 0)) 1254 ib->ptr[ib->length_dw++] = 1255 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | 1256 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1257 else 1258 ib->ptr[ib->length_dw++] = 1259 SDMA_PKT_HEADER_OP(SDMA_OP_NOP); 1260 } 1261 1262 1263 /** 1264 * sdma_v5_0_ring_emit_pipeline_sync - sync the pipeline 1265 * 1266 * @ring: amdgpu_ring pointer 1267 * 1268 * Make sure all previous operations are completed (CIK). 1269 */ 1270 static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1271 { 1272 uint32_t seq = ring->fence_drv.sync_seq; 1273 uint64_t addr = ring->fence_drv.gpu_addr; 1274 1275 /* wait for idle */ 1276 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1277 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1278 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ 1279 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)); 1280 amdgpu_ring_write(ring, addr & 0xfffffffc); 1281 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); 1282 amdgpu_ring_write(ring, seq); /* reference */ 1283 amdgpu_ring_write(ring, 0xffffffff); /* mask */ 1284 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1285 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ 1286 } 1287 1288 1289 /** 1290 * sdma_v5_0_ring_emit_vm_flush - vm flush using sDMA 1291 * 1292 * @ring: amdgpu_ring pointer 1293 * @vmid: vmid number to use 1294 * @pd_addr: address 1295 * 1296 * Update the page table base and flush the VM TLB 1297 * using sDMA (NAVI10). 1298 */ 1299 static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 1300 unsigned vmid, uint64_t pd_addr) 1301 { 1302 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1303 } 1304 1305 static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring, 1306 uint32_t reg, uint32_t val) 1307 { 1308 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | 1309 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); 1310 amdgpu_ring_write(ring, reg); 1311 amdgpu_ring_write(ring, val); 1312 } 1313 1314 static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1315 uint32_t val, uint32_t mask) 1316 { 1317 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1318 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1319 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */ 1320 amdgpu_ring_write(ring, reg << 2); 1321 amdgpu_ring_write(ring, 0); 1322 amdgpu_ring_write(ring, val); /* reference */ 1323 amdgpu_ring_write(ring, mask); /* mask */ 1324 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1325 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); 1326 } 1327 1328 static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, 1329 uint32_t reg0, uint32_t reg1, 1330 uint32_t ref, uint32_t mask) 1331 { 1332 amdgpu_ring_emit_wreg(ring, reg0, ref); 1333 /* wait for a cycle to reset vm_inv_eng*_ack */ 1334 amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0); 1335 amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask); 1336 } 1337 1338 static int sdma_v5_0_early_init(void *handle) 1339 { 1340 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1341 1342 sdma_v5_0_set_ring_funcs(adev); 1343 sdma_v5_0_set_buffer_funcs(adev); 1344 sdma_v5_0_set_vm_pte_funcs(adev); 1345 sdma_v5_0_set_irq_funcs(adev); 1346 sdma_v5_0_set_mqd_funcs(adev); 1347 1348 return 0; 1349 } 1350 1351 1352 static int sdma_v5_0_sw_init(void *handle) 1353 { 1354 struct amdgpu_ring *ring; 1355 int r, i; 1356 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1357 1358 /* SDMA trap event */ 1359 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, 1360 SDMA0_5_0__SRCID__SDMA_TRAP, 1361 &adev->sdma.trap_irq); 1362 if (r) 1363 return r; 1364 1365 /* SDMA trap event */ 1366 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, 1367 SDMA1_5_0__SRCID__SDMA_TRAP, 1368 &adev->sdma.trap_irq); 1369 if (r) 1370 return r; 1371 1372 r = sdma_v5_0_init_microcode(adev); 1373 if (r) { 1374 DRM_ERROR("Failed to load sdma firmware!\n"); 1375 return r; 1376 } 1377 1378 for (i = 0; i < adev->sdma.num_instances; i++) { 1379 ring = &adev->sdma.instance[i].ring; 1380 ring->ring_obj = NULL; 1381 ring->use_doorbell = true; 1382 1383 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i, 1384 ring->use_doorbell?"true":"false"); 1385 1386 ring->doorbell_index = (i == 0) ? 1387 (adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset 1388 : (adev->doorbell_index.sdma_engine[1] << 1); // get DWORD offset 1389 1390 ring->vm_hub = AMDGPU_GFXHUB(0); 1391 sprintf(ring->name, "sdma%d", i); 1392 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq, 1393 (i == 0) ? AMDGPU_SDMA_IRQ_INSTANCE0 : 1394 AMDGPU_SDMA_IRQ_INSTANCE1, 1395 AMDGPU_RING_PRIO_DEFAULT, NULL); 1396 if (r) 1397 return r; 1398 } 1399 1400 return r; 1401 } 1402 1403 static int sdma_v5_0_sw_fini(void *handle) 1404 { 1405 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1406 int i; 1407 1408 for (i = 0; i < adev->sdma.num_instances; i++) 1409 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1410 1411 amdgpu_sdma_destroy_inst_ctx(adev, false); 1412 1413 return 0; 1414 } 1415 1416 static int sdma_v5_0_hw_init(void *handle) 1417 { 1418 int r; 1419 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1420 1421 sdma_v5_0_init_golden_registers(adev); 1422 1423 r = sdma_v5_0_start(adev); 1424 1425 return r; 1426 } 1427 1428 static int sdma_v5_0_hw_fini(void *handle) 1429 { 1430 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1431 1432 if (amdgpu_sriov_vf(adev)) { 1433 /* disable the scheduler for SDMA */ 1434 amdgpu_sdma_unset_buffer_funcs_helper(adev); 1435 return 0; 1436 } 1437 1438 sdma_v5_0_ctx_switch_enable(adev, false); 1439 sdma_v5_0_enable(adev, false); 1440 1441 return 0; 1442 } 1443 1444 static int sdma_v5_0_suspend(void *handle) 1445 { 1446 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1447 1448 return sdma_v5_0_hw_fini(adev); 1449 } 1450 1451 static int sdma_v5_0_resume(void *handle) 1452 { 1453 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1454 1455 return sdma_v5_0_hw_init(adev); 1456 } 1457 1458 static bool sdma_v5_0_is_idle(void *handle) 1459 { 1460 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1461 u32 i; 1462 1463 for (i = 0; i < adev->sdma.num_instances; i++) { 1464 u32 tmp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG)); 1465 1466 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 1467 return false; 1468 } 1469 1470 return true; 1471 } 1472 1473 static int sdma_v5_0_wait_for_idle(void *handle) 1474 { 1475 unsigned i; 1476 u32 sdma0, sdma1; 1477 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1478 1479 for (i = 0; i < adev->usec_timeout; i++) { 1480 sdma0 = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG)); 1481 sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG)); 1482 1483 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK) 1484 return 0; 1485 udelay(1); 1486 } 1487 return -ETIMEDOUT; 1488 } 1489 1490 static int sdma_v5_0_soft_reset(void *handle) 1491 { 1492 /* todo */ 1493 1494 return 0; 1495 } 1496 1497 static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring) 1498 { 1499 int i, r = 0; 1500 struct amdgpu_device *adev = ring->adev; 1501 u32 index = 0; 1502 u64 sdma_gfx_preempt; 1503 1504 amdgpu_sdma_get_index_from_ring(ring, &index); 1505 if (index == 0) 1506 sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT; 1507 else 1508 sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT; 1509 1510 /* assert preemption condition */ 1511 amdgpu_ring_set_preempt_cond_exec(ring, false); 1512 1513 /* emit the trailing fence */ 1514 ring->trail_seq += 1; 1515 amdgpu_ring_alloc(ring, 10); 1516 sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr, 1517 ring->trail_seq, 0); 1518 amdgpu_ring_commit(ring); 1519 1520 /* assert IB preemption */ 1521 WREG32(sdma_gfx_preempt, 1); 1522 1523 /* poll the trailing fence */ 1524 for (i = 0; i < adev->usec_timeout; i++) { 1525 if (ring->trail_seq == 1526 le32_to_cpu(*(ring->trail_fence_cpu_addr))) 1527 break; 1528 udelay(1); 1529 } 1530 1531 if (i >= adev->usec_timeout) { 1532 r = -EINVAL; 1533 DRM_ERROR("ring %d failed to be preempted\n", ring->idx); 1534 } 1535 1536 /* deassert IB preemption */ 1537 WREG32(sdma_gfx_preempt, 0); 1538 1539 /* deassert the preemption condition */ 1540 amdgpu_ring_set_preempt_cond_exec(ring, true); 1541 return r; 1542 } 1543 1544 static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev, 1545 struct amdgpu_irq_src *source, 1546 unsigned type, 1547 enum amdgpu_interrupt_state state) 1548 { 1549 u32 sdma_cntl; 1550 1551 if (!amdgpu_sriov_vf(adev)) { 1552 u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ? 1553 sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) : 1554 sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL); 1555 1556 sdma_cntl = RREG32(reg_offset); 1557 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1558 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1559 WREG32(reg_offset, sdma_cntl); 1560 } 1561 1562 return 0; 1563 } 1564 1565 static int sdma_v5_0_process_trap_irq(struct amdgpu_device *adev, 1566 struct amdgpu_irq_src *source, 1567 struct amdgpu_iv_entry *entry) 1568 { 1569 uint32_t mes_queue_id = entry->src_data[0]; 1570 1571 DRM_DEBUG("IH: SDMA trap\n"); 1572 1573 if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) { 1574 struct amdgpu_mes_queue *queue; 1575 1576 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK; 1577 1578 spin_lock(&adev->mes.queue_id_lock); 1579 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id); 1580 if (queue) { 1581 DRM_DEBUG("process smda queue id = %d\n", mes_queue_id); 1582 amdgpu_fence_process(queue->ring); 1583 } 1584 spin_unlock(&adev->mes.queue_id_lock); 1585 return 0; 1586 } 1587 1588 switch (entry->client_id) { 1589 case SOC15_IH_CLIENTID_SDMA0: 1590 switch (entry->ring_id) { 1591 case 0: 1592 amdgpu_fence_process(&adev->sdma.instance[0].ring); 1593 break; 1594 case 1: 1595 /* XXX compute */ 1596 break; 1597 case 2: 1598 /* XXX compute */ 1599 break; 1600 case 3: 1601 /* XXX page queue*/ 1602 break; 1603 } 1604 break; 1605 case SOC15_IH_CLIENTID_SDMA1: 1606 switch (entry->ring_id) { 1607 case 0: 1608 amdgpu_fence_process(&adev->sdma.instance[1].ring); 1609 break; 1610 case 1: 1611 /* XXX compute */ 1612 break; 1613 case 2: 1614 /* XXX compute */ 1615 break; 1616 case 3: 1617 /* XXX page queue*/ 1618 break; 1619 } 1620 break; 1621 } 1622 return 0; 1623 } 1624 1625 static int sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev, 1626 struct amdgpu_irq_src *source, 1627 struct amdgpu_iv_entry *entry) 1628 { 1629 return 0; 1630 } 1631 1632 static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev, 1633 bool enable) 1634 { 1635 uint32_t data, def; 1636 int i; 1637 1638 for (i = 0; i < adev->sdma.num_instances; i++) { 1639 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { 1640 /* Enable sdma clock gating */ 1641 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL)); 1642 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1643 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1644 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1645 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1646 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1647 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1648 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1649 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1650 if (def != data) 1651 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data); 1652 } else { 1653 /* Disable sdma clock gating */ 1654 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL)); 1655 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1656 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1657 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1658 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1659 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1660 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1661 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1662 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1663 if (def != data) 1664 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data); 1665 } 1666 } 1667 } 1668 1669 static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev, 1670 bool enable) 1671 { 1672 uint32_t data, def; 1673 int i; 1674 1675 for (i = 0; i < adev->sdma.num_instances; i++) { 1676 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { 1677 /* Enable sdma mem light sleep */ 1678 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL)); 1679 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1680 if (def != data) 1681 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data); 1682 1683 } else { 1684 /* Disable sdma mem light sleep */ 1685 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL)); 1686 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1687 if (def != data) 1688 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data); 1689 1690 } 1691 } 1692 } 1693 1694 static int sdma_v5_0_set_clockgating_state(void *handle, 1695 enum amd_clockgating_state state) 1696 { 1697 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1698 1699 if (amdgpu_sriov_vf(adev)) 1700 return 0; 1701 1702 switch (adev->ip_versions[SDMA0_HWIP][0]) { 1703 case IP_VERSION(5, 0, 0): 1704 case IP_VERSION(5, 0, 2): 1705 case IP_VERSION(5, 0, 5): 1706 sdma_v5_0_update_medium_grain_clock_gating(adev, 1707 state == AMD_CG_STATE_GATE); 1708 sdma_v5_0_update_medium_grain_light_sleep(adev, 1709 state == AMD_CG_STATE_GATE); 1710 break; 1711 default: 1712 break; 1713 } 1714 1715 return 0; 1716 } 1717 1718 static int sdma_v5_0_set_powergating_state(void *handle, 1719 enum amd_powergating_state state) 1720 { 1721 return 0; 1722 } 1723 1724 static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags) 1725 { 1726 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1727 int data; 1728 1729 if (amdgpu_sriov_vf(adev)) 1730 *flags = 0; 1731 1732 /* AMD_CG_SUPPORT_SDMA_MGCG */ 1733 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL)); 1734 if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK)) 1735 *flags |= AMD_CG_SUPPORT_SDMA_MGCG; 1736 1737 /* AMD_CG_SUPPORT_SDMA_LS */ 1738 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL)); 1739 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) 1740 *flags |= AMD_CG_SUPPORT_SDMA_LS; 1741 } 1742 1743 const struct amd_ip_funcs sdma_v5_0_ip_funcs = { 1744 .name = "sdma_v5_0", 1745 .early_init = sdma_v5_0_early_init, 1746 .late_init = NULL, 1747 .sw_init = sdma_v5_0_sw_init, 1748 .sw_fini = sdma_v5_0_sw_fini, 1749 .hw_init = sdma_v5_0_hw_init, 1750 .hw_fini = sdma_v5_0_hw_fini, 1751 .suspend = sdma_v5_0_suspend, 1752 .resume = sdma_v5_0_resume, 1753 .is_idle = sdma_v5_0_is_idle, 1754 .wait_for_idle = sdma_v5_0_wait_for_idle, 1755 .soft_reset = sdma_v5_0_soft_reset, 1756 .set_clockgating_state = sdma_v5_0_set_clockgating_state, 1757 .set_powergating_state = sdma_v5_0_set_powergating_state, 1758 .get_clockgating_state = sdma_v5_0_get_clockgating_state, 1759 }; 1760 1761 static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = { 1762 .type = AMDGPU_RING_TYPE_SDMA, 1763 .align_mask = 0xf, 1764 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1765 .support_64bit_ptrs = true, 1766 .secure_submission_supported = true, 1767 .get_rptr = sdma_v5_0_ring_get_rptr, 1768 .get_wptr = sdma_v5_0_ring_get_wptr, 1769 .set_wptr = sdma_v5_0_ring_set_wptr, 1770 .emit_frame_size = 1771 5 + /* sdma_v5_0_ring_init_cond_exec */ 1772 6 + /* sdma_v5_0_ring_emit_hdp_flush */ 1773 3 + /* hdp_invalidate */ 1774 6 + /* sdma_v5_0_ring_emit_pipeline_sync */ 1775 /* sdma_v5_0_ring_emit_vm_flush */ 1776 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1777 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 + 1778 10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */ 1779 .emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */ 1780 .emit_ib = sdma_v5_0_ring_emit_ib, 1781 .emit_mem_sync = sdma_v5_0_ring_emit_mem_sync, 1782 .emit_fence = sdma_v5_0_ring_emit_fence, 1783 .emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync, 1784 .emit_vm_flush = sdma_v5_0_ring_emit_vm_flush, 1785 .emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush, 1786 .test_ring = sdma_v5_0_ring_test_ring, 1787 .test_ib = sdma_v5_0_ring_test_ib, 1788 .insert_nop = sdma_v5_0_ring_insert_nop, 1789 .pad_ib = sdma_v5_0_ring_pad_ib, 1790 .emit_wreg = sdma_v5_0_ring_emit_wreg, 1791 .emit_reg_wait = sdma_v5_0_ring_emit_reg_wait, 1792 .emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait, 1793 .init_cond_exec = sdma_v5_0_ring_init_cond_exec, 1794 .patch_cond_exec = sdma_v5_0_ring_patch_cond_exec, 1795 .preempt_ib = sdma_v5_0_ring_preempt_ib, 1796 }; 1797 1798 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev) 1799 { 1800 int i; 1801 1802 for (i = 0; i < adev->sdma.num_instances; i++) { 1803 adev->sdma.instance[i].ring.funcs = &sdma_v5_0_ring_funcs; 1804 adev->sdma.instance[i].ring.me = i; 1805 } 1806 } 1807 1808 static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = { 1809 .set = sdma_v5_0_set_trap_irq_state, 1810 .process = sdma_v5_0_process_trap_irq, 1811 }; 1812 1813 static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = { 1814 .process = sdma_v5_0_process_illegal_inst_irq, 1815 }; 1816 1817 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev) 1818 { 1819 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 + 1820 adev->sdma.num_instances; 1821 adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs; 1822 adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs; 1823 } 1824 1825 /** 1826 * sdma_v5_0_emit_copy_buffer - copy buffer using the sDMA engine 1827 * 1828 * @ib: indirect buffer to copy to 1829 * @src_offset: src GPU address 1830 * @dst_offset: dst GPU address 1831 * @byte_count: number of bytes to xfer 1832 * @tmz: if a secure copy should be used 1833 * 1834 * Copy GPU buffers using the DMA engine (NAVI10). 1835 * Used by the amdgpu ttm implementation to move pages if 1836 * registered as the asic copy callback. 1837 */ 1838 static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib, 1839 uint64_t src_offset, 1840 uint64_t dst_offset, 1841 uint32_t byte_count, 1842 bool tmz) 1843 { 1844 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1845 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) | 1846 SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0); 1847 ib->ptr[ib->length_dw++] = byte_count - 1; 1848 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1849 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 1850 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 1851 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1852 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1853 } 1854 1855 /** 1856 * sdma_v5_0_emit_fill_buffer - fill buffer using the sDMA engine 1857 * 1858 * @ib: indirect buffer to fill 1859 * @src_data: value to write to buffer 1860 * @dst_offset: dst GPU address 1861 * @byte_count: number of bytes to xfer 1862 * 1863 * Fill GPU buffers using the DMA engine (NAVI10). 1864 */ 1865 static void sdma_v5_0_emit_fill_buffer(struct amdgpu_ib *ib, 1866 uint32_t src_data, 1867 uint64_t dst_offset, 1868 uint32_t byte_count) 1869 { 1870 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); 1871 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1872 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1873 ib->ptr[ib->length_dw++] = src_data; 1874 ib->ptr[ib->length_dw++] = byte_count - 1; 1875 } 1876 1877 static const struct amdgpu_buffer_funcs sdma_v5_0_buffer_funcs = { 1878 .copy_max_bytes = 0x400000, 1879 .copy_num_dw = 7, 1880 .emit_copy_buffer = sdma_v5_0_emit_copy_buffer, 1881 1882 .fill_max_bytes = 0x400000, 1883 .fill_num_dw = 5, 1884 .emit_fill_buffer = sdma_v5_0_emit_fill_buffer, 1885 }; 1886 1887 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev) 1888 { 1889 if (adev->mman.buffer_funcs == NULL) { 1890 adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs; 1891 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 1892 } 1893 } 1894 1895 static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = { 1896 .copy_pte_num_dw = 7, 1897 .copy_pte = sdma_v5_0_vm_copy_pte, 1898 .write_pte = sdma_v5_0_vm_write_pte, 1899 .set_pte_pde = sdma_v5_0_vm_set_pte_pde, 1900 }; 1901 1902 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev) 1903 { 1904 unsigned i; 1905 1906 if (adev->vm_manager.vm_pte_funcs == NULL) { 1907 adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs; 1908 for (i = 0; i < adev->sdma.num_instances; i++) { 1909 adev->vm_manager.vm_pte_scheds[i] = 1910 &adev->sdma.instance[i].ring.sched; 1911 } 1912 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances; 1913 } 1914 } 1915 1916 const struct amdgpu_ip_block_version sdma_v5_0_ip_block = { 1917 .type = AMD_IP_BLOCK_TYPE_SDMA, 1918 .major = 5, 1919 .minor = 0, 1920 .rev = 0, 1921 .funcs = &sdma_v5_0_ip_funcs, 1922 }; 1923