1 /* 2 * Copyright 2016 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/firmware.h> 25 #include <drm/drmP.h> 26 #include "amdgpu.h" 27 #include "amdgpu_ucode.h" 28 #include "amdgpu_trace.h" 29 30 #include "sdma0/sdma0_4_2_offset.h" 31 #include "sdma0/sdma0_4_2_sh_mask.h" 32 #include "sdma1/sdma1_4_2_offset.h" 33 #include "sdma1/sdma1_4_2_sh_mask.h" 34 #include "hdp/hdp_4_0_offset.h" 35 #include "sdma0/sdma0_4_1_default.h" 36 37 #include "soc15_common.h" 38 #include "soc15.h" 39 #include "vega10_sdma_pkt_open.h" 40 41 #include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h" 42 #include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h" 43 44 #include "amdgpu_ras.h" 45 46 MODULE_FIRMWARE("amdgpu/vega10_sdma.bin"); 47 MODULE_FIRMWARE("amdgpu/vega10_sdma1.bin"); 48 MODULE_FIRMWARE("amdgpu/vega12_sdma.bin"); 49 MODULE_FIRMWARE("amdgpu/vega12_sdma1.bin"); 50 MODULE_FIRMWARE("amdgpu/vega20_sdma.bin"); 51 MODULE_FIRMWARE("amdgpu/vega20_sdma1.bin"); 52 MODULE_FIRMWARE("amdgpu/raven_sdma.bin"); 53 MODULE_FIRMWARE("amdgpu/picasso_sdma.bin"); 54 MODULE_FIRMWARE("amdgpu/raven2_sdma.bin"); 55 56 #define SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK 0x000000F8L 57 #define SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK 0xFC000000L 58 59 #define WREG32_SDMA(instance, offset, value) \ 60 WREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)), value) 61 #define RREG32_SDMA(instance, offset) \ 62 RREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset))) 63 64 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev); 65 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev); 66 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev); 67 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev); 68 69 static const struct soc15_reg_golden golden_settings_sdma_4[] = { 70 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07), 71 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xff000ff0, 0x3f000100), 72 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0100, 0x00000100), 73 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 74 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_IB_CNTL, 0x800f0100, 0x00000100), 75 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 76 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0x003ff006, 0x0003c000), 77 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0100, 0x00000100), 78 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 79 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0100, 0x00000100), 80 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 81 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0), 82 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000), 83 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100), 84 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_IB_CNTL, 0x800f0100, 0x00000100), 85 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 86 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_IB_CNTL, 0x800f0100, 0x00000100), 87 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 88 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_POWER_CNTL, 0x003ff000, 0x0003c000), 89 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_IB_CNTL, 0x800f0100, 0x00000100), 90 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 91 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_IB_CNTL, 0x800f0100, 0x00000100), 92 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 93 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0), 94 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_WATERMK, 0xfc000000, 0x00000000) 95 }; 96 97 static const struct soc15_reg_golden golden_settings_sdma_vg10[] = { 98 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104002), 99 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002), 100 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07), 101 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104002), 102 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002) 103 }; 104 105 static const struct soc15_reg_golden golden_settings_sdma_vg12[] = { 106 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104001), 107 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001), 108 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07), 109 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104001), 110 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001) 111 }; 112 113 static const struct soc15_reg_golden golden_settings_sdma_4_1[] = { 114 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07), 115 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100), 116 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100), 117 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 118 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0xfc3fffff, 0x40000051), 119 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100), 120 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 121 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100), 122 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 123 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0), 124 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000) 125 }; 126 127 static const struct soc15_reg_golden golden_settings_sdma0_4_2_init[] = { 128 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000), 129 }; 130 131 static const struct soc15_reg_golden golden_settings_sdma0_4_2[] = 132 { 133 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07), 134 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100), 135 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002), 136 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002), 137 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 138 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 139 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 140 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 141 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RD_BURST_CNTL, 0x0000000f, 0x00000003), 142 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 143 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000), 144 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 145 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 146 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 147 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 148 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 149 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 150 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 151 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 152 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 153 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 154 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 155 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 156 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 157 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 158 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0), 159 }; 160 161 static const struct soc15_reg_golden golden_settings_sdma1_4_2[] = { 162 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07), 163 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100), 164 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002), 165 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002), 166 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 167 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 168 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 169 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 170 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RD_BURST_CNTL, 0x0000000f, 0x00000003), 171 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 172 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000), 173 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 174 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 175 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 176 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 177 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 178 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 179 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 180 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 181 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 182 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 183 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 184 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 185 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001), 186 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 187 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0), 188 }; 189 190 static const struct soc15_reg_golden golden_settings_sdma_rv1[] = 191 { 192 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00000002), 193 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00000002) 194 }; 195 196 static const struct soc15_reg_golden golden_settings_sdma_rv2[] = 197 { 198 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00003001), 199 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00003001) 200 }; 201 202 static u32 sdma_v4_0_get_reg_offset(struct amdgpu_device *adev, 203 u32 instance, u32 offset) 204 { 205 return ( 0 == instance ? (adev->reg_offset[SDMA0_HWIP][0][0] + offset) : 206 (adev->reg_offset[SDMA1_HWIP][0][0] + offset)); 207 } 208 209 static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev) 210 { 211 switch (adev->asic_type) { 212 case CHIP_VEGA10: 213 if (!amdgpu_virt_support_skip_setting(adev)) { 214 soc15_program_register_sequence(adev, 215 golden_settings_sdma_4, 216 ARRAY_SIZE(golden_settings_sdma_4)); 217 soc15_program_register_sequence(adev, 218 golden_settings_sdma_vg10, 219 ARRAY_SIZE(golden_settings_sdma_vg10)); 220 } 221 break; 222 case CHIP_VEGA12: 223 soc15_program_register_sequence(adev, 224 golden_settings_sdma_4, 225 ARRAY_SIZE(golden_settings_sdma_4)); 226 soc15_program_register_sequence(adev, 227 golden_settings_sdma_vg12, 228 ARRAY_SIZE(golden_settings_sdma_vg12)); 229 break; 230 case CHIP_VEGA20: 231 soc15_program_register_sequence(adev, 232 golden_settings_sdma0_4_2_init, 233 ARRAY_SIZE(golden_settings_sdma0_4_2_init)); 234 soc15_program_register_sequence(adev, 235 golden_settings_sdma0_4_2, 236 ARRAY_SIZE(golden_settings_sdma0_4_2)); 237 soc15_program_register_sequence(adev, 238 golden_settings_sdma1_4_2, 239 ARRAY_SIZE(golden_settings_sdma1_4_2)); 240 break; 241 case CHIP_RAVEN: 242 soc15_program_register_sequence(adev, 243 golden_settings_sdma_4_1, 244 ARRAY_SIZE(golden_settings_sdma_4_1)); 245 if (adev->rev_id >= 8) 246 soc15_program_register_sequence(adev, 247 golden_settings_sdma_rv2, 248 ARRAY_SIZE(golden_settings_sdma_rv2)); 249 else 250 soc15_program_register_sequence(adev, 251 golden_settings_sdma_rv1, 252 ARRAY_SIZE(golden_settings_sdma_rv1)); 253 break; 254 default: 255 break; 256 } 257 } 258 259 /** 260 * sdma_v4_0_init_microcode - load ucode images from disk 261 * 262 * @adev: amdgpu_device pointer 263 * 264 * Use the firmware interface to load the ucode images into 265 * the driver (not loaded into hw). 266 * Returns 0 on success, error on failure. 267 */ 268 269 // emulation only, won't work on real chip 270 // vega10 real chip need to use PSP to load firmware 271 static int sdma_v4_0_init_microcode(struct amdgpu_device *adev) 272 { 273 const char *chip_name; 274 char fw_name[30]; 275 int err = 0, i; 276 struct amdgpu_firmware_info *info = NULL; 277 const struct common_firmware_header *header = NULL; 278 const struct sdma_firmware_header_v1_0 *hdr; 279 280 DRM_DEBUG("\n"); 281 282 switch (adev->asic_type) { 283 case CHIP_VEGA10: 284 chip_name = "vega10"; 285 break; 286 case CHIP_VEGA12: 287 chip_name = "vega12"; 288 break; 289 case CHIP_VEGA20: 290 chip_name = "vega20"; 291 break; 292 case CHIP_RAVEN: 293 if (adev->rev_id >= 8) 294 chip_name = "raven2"; 295 else if (adev->pdev->device == 0x15d8) 296 chip_name = "picasso"; 297 else 298 chip_name = "raven"; 299 break; 300 default: 301 BUG(); 302 } 303 304 for (i = 0; i < adev->sdma.num_instances; i++) { 305 if (i == 0) 306 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name); 307 else 308 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name); 309 err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev); 310 if (err) 311 goto out; 312 err = amdgpu_ucode_validate(adev->sdma.instance[i].fw); 313 if (err) 314 goto out; 315 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 316 adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version); 317 adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); 318 if (adev->sdma.instance[i].feature_version >= 20) 319 adev->sdma.instance[i].burst_nop = true; 320 DRM_DEBUG("psp_load == '%s'\n", 321 adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false"); 322 323 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 324 info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; 325 info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i; 326 info->fw = adev->sdma.instance[i].fw; 327 header = (const struct common_firmware_header *)info->fw->data; 328 adev->firmware.fw_size += 329 ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); 330 } 331 } 332 out: 333 if (err) { 334 DRM_ERROR("sdma_v4_0: Failed to load firmware \"%s\"\n", fw_name); 335 for (i = 0; i < adev->sdma.num_instances; i++) { 336 release_firmware(adev->sdma.instance[i].fw); 337 adev->sdma.instance[i].fw = NULL; 338 } 339 } 340 return err; 341 } 342 343 /** 344 * sdma_v4_0_ring_get_rptr - get the current read pointer 345 * 346 * @ring: amdgpu ring pointer 347 * 348 * Get the current rptr from the hardware (VEGA10+). 349 */ 350 static uint64_t sdma_v4_0_ring_get_rptr(struct amdgpu_ring *ring) 351 { 352 u64 *rptr; 353 354 /* XXX check if swapping is necessary on BE */ 355 rptr = ((u64 *)&ring->adev->wb.wb[ring->rptr_offs]); 356 357 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); 358 return ((*rptr) >> 2); 359 } 360 361 /** 362 * sdma_v4_0_ring_get_wptr - get the current write pointer 363 * 364 * @ring: amdgpu ring pointer 365 * 366 * Get the current wptr from the hardware (VEGA10+). 367 */ 368 static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring) 369 { 370 struct amdgpu_device *adev = ring->adev; 371 u64 wptr; 372 373 if (ring->use_doorbell) { 374 /* XXX check if swapping is necessary on BE */ 375 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs])); 376 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 377 } else { 378 wptr = RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI); 379 wptr = wptr << 32; 380 wptr |= RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR); 381 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", 382 ring->me, wptr); 383 } 384 385 return wptr >> 2; 386 } 387 388 /** 389 * sdma_v4_0_ring_set_wptr - commit the write pointer 390 * 391 * @ring: amdgpu ring pointer 392 * 393 * Write the wptr back to the hardware (VEGA10+). 394 */ 395 static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring) 396 { 397 struct amdgpu_device *adev = ring->adev; 398 399 DRM_DEBUG("Setting write pointer\n"); 400 if (ring->use_doorbell) { 401 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs]; 402 403 DRM_DEBUG("Using doorbell -- " 404 "wptr_offs == 0x%08x " 405 "lower_32_bits(ring->wptr) << 2 == 0x%08x " 406 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", 407 ring->wptr_offs, 408 lower_32_bits(ring->wptr << 2), 409 upper_32_bits(ring->wptr << 2)); 410 /* XXX check if swapping is necessary on BE */ 411 WRITE_ONCE(*wb, (ring->wptr << 2)); 412 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 413 ring->doorbell_index, ring->wptr << 2); 414 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 415 } else { 416 DRM_DEBUG("Not using doorbell -- " 417 "mmSDMA%i_GFX_RB_WPTR == 0x%08x " 418 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 419 ring->me, 420 lower_32_bits(ring->wptr << 2), 421 ring->me, 422 upper_32_bits(ring->wptr << 2)); 423 WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR, 424 lower_32_bits(ring->wptr << 2)); 425 WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI, 426 upper_32_bits(ring->wptr << 2)); 427 } 428 } 429 430 /** 431 * sdma_v4_0_page_ring_get_wptr - get the current write pointer 432 * 433 * @ring: amdgpu ring pointer 434 * 435 * Get the current wptr from the hardware (VEGA10+). 436 */ 437 static uint64_t sdma_v4_0_page_ring_get_wptr(struct amdgpu_ring *ring) 438 { 439 struct amdgpu_device *adev = ring->adev; 440 u64 wptr; 441 442 if (ring->use_doorbell) { 443 /* XXX check if swapping is necessary on BE */ 444 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs])); 445 } else { 446 wptr = RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI); 447 wptr = wptr << 32; 448 wptr |= RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR); 449 } 450 451 return wptr >> 2; 452 } 453 454 /** 455 * sdma_v4_0_ring_set_wptr - commit the write pointer 456 * 457 * @ring: amdgpu ring pointer 458 * 459 * Write the wptr back to the hardware (VEGA10+). 460 */ 461 static void sdma_v4_0_page_ring_set_wptr(struct amdgpu_ring *ring) 462 { 463 struct amdgpu_device *adev = ring->adev; 464 465 if (ring->use_doorbell) { 466 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs]; 467 468 /* XXX check if swapping is necessary on BE */ 469 WRITE_ONCE(*wb, (ring->wptr << 2)); 470 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 471 } else { 472 uint64_t wptr = ring->wptr << 2; 473 474 WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR, 475 lower_32_bits(wptr)); 476 WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI, 477 upper_32_bits(wptr)); 478 } 479 } 480 481 static void sdma_v4_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 482 { 483 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 484 int i; 485 486 for (i = 0; i < count; i++) 487 if (sdma && sdma->burst_nop && (i == 0)) 488 amdgpu_ring_write(ring, ring->funcs->nop | 489 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 490 else 491 amdgpu_ring_write(ring, ring->funcs->nop); 492 } 493 494 /** 495 * sdma_v4_0_ring_emit_ib - Schedule an IB on the DMA engine 496 * 497 * @ring: amdgpu ring pointer 498 * @ib: IB object to schedule 499 * 500 * Schedule an IB in the DMA ring (VEGA10). 501 */ 502 static void sdma_v4_0_ring_emit_ib(struct amdgpu_ring *ring, 503 struct amdgpu_job *job, 504 struct amdgpu_ib *ib, 505 uint32_t flags) 506 { 507 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 508 509 /* IB packet must end on a 8 DW boundary */ 510 sdma_v4_0_ring_insert_nop(ring, (10 - (lower_32_bits(ring->wptr) & 7)) % 8); 511 512 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | 513 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 514 /* base must be 32 byte aligned */ 515 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 516 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 517 amdgpu_ring_write(ring, ib->length_dw); 518 amdgpu_ring_write(ring, 0); 519 amdgpu_ring_write(ring, 0); 520 521 } 522 523 static void sdma_v4_0_wait_reg_mem(struct amdgpu_ring *ring, 524 int mem_space, int hdp, 525 uint32_t addr0, uint32_t addr1, 526 uint32_t ref, uint32_t mask, 527 uint32_t inv) 528 { 529 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 530 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) | 531 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) | 532 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 533 if (mem_space) { 534 /* memory */ 535 amdgpu_ring_write(ring, addr0); 536 amdgpu_ring_write(ring, addr1); 537 } else { 538 /* registers */ 539 amdgpu_ring_write(ring, addr0 << 2); 540 amdgpu_ring_write(ring, addr1 << 2); 541 } 542 amdgpu_ring_write(ring, ref); /* reference */ 543 amdgpu_ring_write(ring, mask); /* mask */ 544 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 545 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */ 546 } 547 548 /** 549 * sdma_v4_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 550 * 551 * @ring: amdgpu ring pointer 552 * 553 * Emit an hdp flush packet on the requested DMA ring. 554 */ 555 static void sdma_v4_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 556 { 557 struct amdgpu_device *adev = ring->adev; 558 u32 ref_and_mask = 0; 559 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio_funcs->hdp_flush_reg; 560 561 if (ring->me == 0) 562 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0; 563 else 564 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1; 565 566 sdma_v4_0_wait_reg_mem(ring, 0, 1, 567 adev->nbio_funcs->get_hdp_flush_done_offset(adev), 568 adev->nbio_funcs->get_hdp_flush_req_offset(adev), 569 ref_and_mask, ref_and_mask, 10); 570 } 571 572 /** 573 * sdma_v4_0_ring_emit_fence - emit a fence on the DMA ring 574 * 575 * @ring: amdgpu ring pointer 576 * @fence: amdgpu fence object 577 * 578 * Add a DMA fence packet to the ring to write 579 * the fence seq number and DMA trap packet to generate 580 * an interrupt if needed (VEGA10). 581 */ 582 static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 583 unsigned flags) 584 { 585 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 586 /* write the fence */ 587 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); 588 /* zero in first two bits */ 589 BUG_ON(addr & 0x3); 590 amdgpu_ring_write(ring, lower_32_bits(addr)); 591 amdgpu_ring_write(ring, upper_32_bits(addr)); 592 amdgpu_ring_write(ring, lower_32_bits(seq)); 593 594 /* optionally write high bits as well */ 595 if (write64bit) { 596 addr += 4; 597 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); 598 /* zero in first two bits */ 599 BUG_ON(addr & 0x3); 600 amdgpu_ring_write(ring, lower_32_bits(addr)); 601 amdgpu_ring_write(ring, upper_32_bits(addr)); 602 amdgpu_ring_write(ring, upper_32_bits(seq)); 603 } 604 605 /* generate an interrupt */ 606 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); 607 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); 608 } 609 610 611 /** 612 * sdma_v4_0_gfx_stop - stop the gfx async dma engines 613 * 614 * @adev: amdgpu_device pointer 615 * 616 * Stop the gfx async dma ring buffers (VEGA10). 617 */ 618 static void sdma_v4_0_gfx_stop(struct amdgpu_device *adev) 619 { 620 struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring; 621 struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring; 622 u32 rb_cntl, ib_cntl; 623 int i; 624 625 if ((adev->mman.buffer_funcs_ring == sdma0) || 626 (adev->mman.buffer_funcs_ring == sdma1)) 627 amdgpu_ttm_set_buffer_funcs_status(adev, false); 628 629 for (i = 0; i < adev->sdma.num_instances; i++) { 630 rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL); 631 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); 632 WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl); 633 ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL); 634 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); 635 WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl); 636 } 637 638 sdma0->sched.ready = false; 639 sdma1->sched.ready = false; 640 } 641 642 /** 643 * sdma_v4_0_rlc_stop - stop the compute async dma engines 644 * 645 * @adev: amdgpu_device pointer 646 * 647 * Stop the compute async dma queues (VEGA10). 648 */ 649 static void sdma_v4_0_rlc_stop(struct amdgpu_device *adev) 650 { 651 /* XXX todo */ 652 } 653 654 /** 655 * sdma_v4_0_page_stop - stop the page async dma engines 656 * 657 * @adev: amdgpu_device pointer 658 * 659 * Stop the page async dma ring buffers (VEGA10). 660 */ 661 static void sdma_v4_0_page_stop(struct amdgpu_device *adev) 662 { 663 struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].page; 664 struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].page; 665 u32 rb_cntl, ib_cntl; 666 int i; 667 668 if ((adev->mman.buffer_funcs_ring == sdma0) || 669 (adev->mman.buffer_funcs_ring == sdma1)) 670 amdgpu_ttm_set_buffer_funcs_status(adev, false); 671 672 for (i = 0; i < adev->sdma.num_instances; i++) { 673 rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL); 674 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL, 675 RB_ENABLE, 0); 676 WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl); 677 ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL); 678 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, 679 IB_ENABLE, 0); 680 WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl); 681 } 682 683 sdma0->sched.ready = false; 684 sdma1->sched.ready = false; 685 } 686 687 /** 688 * sdma_v_0_ctx_switch_enable - stop the async dma engines context switch 689 * 690 * @adev: amdgpu_device pointer 691 * @enable: enable/disable the DMA MEs context switch. 692 * 693 * Halt or unhalt the async dma engines context switch (VEGA10). 694 */ 695 static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) 696 { 697 u32 f32_cntl, phase_quantum = 0; 698 int i; 699 700 if (amdgpu_sdma_phase_quantum) { 701 unsigned value = amdgpu_sdma_phase_quantum; 702 unsigned unit = 0; 703 704 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 705 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) { 706 value = (value + 1) >> 1; 707 unit++; 708 } 709 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 710 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) { 711 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 712 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT); 713 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 714 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT); 715 WARN_ONCE(1, 716 "clamping sdma_phase_quantum to %uK clock cycles\n", 717 value << unit); 718 } 719 phase_quantum = 720 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT | 721 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT; 722 } 723 724 for (i = 0; i < adev->sdma.num_instances; i++) { 725 f32_cntl = RREG32_SDMA(i, mmSDMA0_CNTL); 726 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, 727 AUTO_CTXSW_ENABLE, enable ? 1 : 0); 728 if (enable && amdgpu_sdma_phase_quantum) { 729 WREG32_SDMA(i, mmSDMA0_PHASE0_QUANTUM, phase_quantum); 730 WREG32_SDMA(i, mmSDMA0_PHASE1_QUANTUM, phase_quantum); 731 WREG32_SDMA(i, mmSDMA0_PHASE2_QUANTUM, phase_quantum); 732 } 733 WREG32_SDMA(i, mmSDMA0_CNTL, f32_cntl); 734 } 735 736 } 737 738 /** 739 * sdma_v4_0_enable - stop the async dma engines 740 * 741 * @adev: amdgpu_device pointer 742 * @enable: enable/disable the DMA MEs. 743 * 744 * Halt or unhalt the async dma engines (VEGA10). 745 */ 746 static void sdma_v4_0_enable(struct amdgpu_device *adev, bool enable) 747 { 748 u32 f32_cntl; 749 int i; 750 751 if (enable == false) { 752 sdma_v4_0_gfx_stop(adev); 753 sdma_v4_0_rlc_stop(adev); 754 if (adev->sdma.has_page_queue) 755 sdma_v4_0_page_stop(adev); 756 } 757 758 for (i = 0; i < adev->sdma.num_instances; i++) { 759 f32_cntl = RREG32_SDMA(i, mmSDMA0_F32_CNTL); 760 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1); 761 WREG32_SDMA(i, mmSDMA0_F32_CNTL, f32_cntl); 762 } 763 } 764 765 /** 766 * sdma_v4_0_rb_cntl - get parameters for rb_cntl 767 */ 768 static uint32_t sdma_v4_0_rb_cntl(struct amdgpu_ring *ring, uint32_t rb_cntl) 769 { 770 /* Set ring buffer size in dwords */ 771 uint32_t rb_bufsz = order_base_2(ring->ring_size / 4); 772 773 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); 774 #ifdef __BIG_ENDIAN 775 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); 776 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, 777 RPTR_WRITEBACK_SWAP_ENABLE, 1); 778 #endif 779 return rb_cntl; 780 } 781 782 /** 783 * sdma_v4_0_gfx_resume - setup and start the async dma engines 784 * 785 * @adev: amdgpu_device pointer 786 * @i: instance to resume 787 * 788 * Set up the gfx DMA ring buffers and enable them (VEGA10). 789 * Returns 0 for success, error for failure. 790 */ 791 static void sdma_v4_0_gfx_resume(struct amdgpu_device *adev, unsigned int i) 792 { 793 struct amdgpu_ring *ring = &adev->sdma.instance[i].ring; 794 u32 rb_cntl, ib_cntl, wptr_poll_cntl; 795 u32 wb_offset; 796 u32 doorbell; 797 u32 doorbell_offset; 798 u64 wptr_gpu_addr; 799 800 wb_offset = (ring->rptr_offs * 4); 801 802 rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL); 803 rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl); 804 WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl); 805 806 /* Initialize the ring buffer's read and write pointers */ 807 WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR, 0); 808 WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_HI, 0); 809 WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR, 0); 810 WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_HI, 0); 811 812 /* set the wb address whether it's enabled or not */ 813 WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_HI, 814 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); 815 WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_LO, 816 lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); 817 818 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, 819 RPTR_WRITEBACK_ENABLE, 1); 820 821 WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE, ring->gpu_addr >> 8); 822 WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE_HI, ring->gpu_addr >> 40); 823 824 ring->wptr = 0; 825 826 /* before programing wptr to a less value, need set minor_ptr_update first */ 827 WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 1); 828 829 doorbell = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL); 830 doorbell_offset = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET); 831 832 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 833 ring->use_doorbell); 834 doorbell_offset = REG_SET_FIELD(doorbell_offset, 835 SDMA0_GFX_DOORBELL_OFFSET, 836 OFFSET, ring->doorbell_index); 837 WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL, doorbell); 838 WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET, doorbell_offset); 839 840 sdma_v4_0_ring_set_wptr(ring); 841 842 /* set minor_ptr_update to 0 after wptr programed */ 843 WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 0); 844 845 /* setup the wptr shadow polling */ 846 wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4); 847 WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO, 848 lower_32_bits(wptr_gpu_addr)); 849 WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI, 850 upper_32_bits(wptr_gpu_addr)); 851 wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL); 852 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, 853 SDMA0_GFX_RB_WPTR_POLL_CNTL, 854 F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0); 855 WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, wptr_poll_cntl); 856 857 /* enable DMA RB */ 858 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); 859 WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl); 860 861 ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL); 862 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); 863 #ifdef __BIG_ENDIAN 864 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); 865 #endif 866 /* enable DMA IBs */ 867 WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl); 868 869 ring->sched.ready = true; 870 } 871 872 /** 873 * sdma_v4_0_page_resume - setup and start the async dma engines 874 * 875 * @adev: amdgpu_device pointer 876 * @i: instance to resume 877 * 878 * Set up the page DMA ring buffers and enable them (VEGA10). 879 * Returns 0 for success, error for failure. 880 */ 881 static void sdma_v4_0_page_resume(struct amdgpu_device *adev, unsigned int i) 882 { 883 struct amdgpu_ring *ring = &adev->sdma.instance[i].page; 884 u32 rb_cntl, ib_cntl, wptr_poll_cntl; 885 u32 wb_offset; 886 u32 doorbell; 887 u32 doorbell_offset; 888 u64 wptr_gpu_addr; 889 890 wb_offset = (ring->rptr_offs * 4); 891 892 rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL); 893 rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl); 894 WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl); 895 896 /* Initialize the ring buffer's read and write pointers */ 897 WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR, 0); 898 WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_HI, 0); 899 WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR, 0); 900 WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_HI, 0); 901 902 /* set the wb address whether it's enabled or not */ 903 WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_HI, 904 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); 905 WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_LO, 906 lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); 907 908 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL, 909 RPTR_WRITEBACK_ENABLE, 1); 910 911 WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE, ring->gpu_addr >> 8); 912 WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE_HI, ring->gpu_addr >> 40); 913 914 ring->wptr = 0; 915 916 /* before programing wptr to a less value, need set minor_ptr_update first */ 917 WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 1); 918 919 doorbell = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL); 920 doorbell_offset = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET); 921 922 doorbell = REG_SET_FIELD(doorbell, SDMA0_PAGE_DOORBELL, ENABLE, 923 ring->use_doorbell); 924 doorbell_offset = REG_SET_FIELD(doorbell_offset, 925 SDMA0_PAGE_DOORBELL_OFFSET, 926 OFFSET, ring->doorbell_index); 927 WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL, doorbell); 928 WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET, doorbell_offset); 929 930 /* paging queue doorbell range is setup at sdma_v4_0_gfx_resume */ 931 sdma_v4_0_page_ring_set_wptr(ring); 932 933 /* set minor_ptr_update to 0 after wptr programed */ 934 WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 0); 935 936 /* setup the wptr shadow polling */ 937 wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4); 938 WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_LO, 939 lower_32_bits(wptr_gpu_addr)); 940 WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_HI, 941 upper_32_bits(wptr_gpu_addr)); 942 wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL); 943 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, 944 SDMA0_PAGE_RB_WPTR_POLL_CNTL, 945 F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0); 946 WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, wptr_poll_cntl); 947 948 /* enable DMA RB */ 949 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL, RB_ENABLE, 1); 950 WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl); 951 952 ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL); 953 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_ENABLE, 1); 954 #ifdef __BIG_ENDIAN 955 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_SWAP_ENABLE, 1); 956 #endif 957 /* enable DMA IBs */ 958 WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl); 959 960 ring->sched.ready = true; 961 } 962 963 static void 964 sdma_v4_1_update_power_gating(struct amdgpu_device *adev, bool enable) 965 { 966 uint32_t def, data; 967 968 if (enable && (adev->pg_flags & AMD_PG_SUPPORT_SDMA)) { 969 /* enable idle interrupt */ 970 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL)); 971 data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK; 972 973 if (data != def) 974 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data); 975 } else { 976 /* disable idle interrupt */ 977 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL)); 978 data &= ~SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK; 979 if (data != def) 980 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data); 981 } 982 } 983 984 static void sdma_v4_1_init_power_gating(struct amdgpu_device *adev) 985 { 986 uint32_t def, data; 987 988 /* Enable HW based PG. */ 989 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 990 data |= SDMA0_POWER_CNTL__PG_CNTL_ENABLE_MASK; 991 if (data != def) 992 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); 993 994 /* enable interrupt */ 995 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL)); 996 data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK; 997 if (data != def) 998 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data); 999 1000 /* Configure hold time to filter in-valid power on/off request. Use default right now */ 1001 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 1002 data &= ~SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK; 1003 data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK); 1004 /* Configure switch time for hysteresis purpose. Use default right now */ 1005 data &= ~SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK; 1006 data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK); 1007 if(data != def) 1008 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); 1009 } 1010 1011 static void sdma_v4_0_init_pg(struct amdgpu_device *adev) 1012 { 1013 if (!(adev->pg_flags & AMD_PG_SUPPORT_SDMA)) 1014 return; 1015 1016 switch (adev->asic_type) { 1017 case CHIP_RAVEN: 1018 sdma_v4_1_init_power_gating(adev); 1019 sdma_v4_1_update_power_gating(adev, true); 1020 break; 1021 default: 1022 break; 1023 } 1024 } 1025 1026 /** 1027 * sdma_v4_0_rlc_resume - setup and start the async dma engines 1028 * 1029 * @adev: amdgpu_device pointer 1030 * 1031 * Set up the compute DMA queues and enable them (VEGA10). 1032 * Returns 0 for success, error for failure. 1033 */ 1034 static int sdma_v4_0_rlc_resume(struct amdgpu_device *adev) 1035 { 1036 sdma_v4_0_init_pg(adev); 1037 1038 return 0; 1039 } 1040 1041 /** 1042 * sdma_v4_0_load_microcode - load the sDMA ME ucode 1043 * 1044 * @adev: amdgpu_device pointer 1045 * 1046 * Loads the sDMA0/1 ucode. 1047 * Returns 0 for success, -EINVAL if the ucode is not available. 1048 */ 1049 static int sdma_v4_0_load_microcode(struct amdgpu_device *adev) 1050 { 1051 const struct sdma_firmware_header_v1_0 *hdr; 1052 const __le32 *fw_data; 1053 u32 fw_size; 1054 int i, j; 1055 1056 /* halt the MEs */ 1057 sdma_v4_0_enable(adev, false); 1058 1059 for (i = 0; i < adev->sdma.num_instances; i++) { 1060 if (!adev->sdma.instance[i].fw) 1061 return -EINVAL; 1062 1063 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 1064 amdgpu_ucode_print_sdma_hdr(&hdr->header); 1065 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 1066 1067 fw_data = (const __le32 *) 1068 (adev->sdma.instance[i].fw->data + 1069 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 1070 1071 WREG32_SDMA(i, mmSDMA0_UCODE_ADDR, 0); 1072 1073 for (j = 0; j < fw_size; j++) 1074 WREG32_SDMA(i, mmSDMA0_UCODE_DATA, 1075 le32_to_cpup(fw_data++)); 1076 1077 WREG32_SDMA(i, mmSDMA0_UCODE_ADDR, 1078 adev->sdma.instance[i].fw_version); 1079 } 1080 1081 return 0; 1082 } 1083 1084 /** 1085 * sdma_v4_0_start - setup and start the async dma engines 1086 * 1087 * @adev: amdgpu_device pointer 1088 * 1089 * Set up the DMA engines and enable them (VEGA10). 1090 * Returns 0 for success, error for failure. 1091 */ 1092 static int sdma_v4_0_start(struct amdgpu_device *adev) 1093 { 1094 struct amdgpu_ring *ring; 1095 int i, r; 1096 1097 if (amdgpu_sriov_vf(adev)) { 1098 sdma_v4_0_ctx_switch_enable(adev, false); 1099 sdma_v4_0_enable(adev, false); 1100 } else { 1101 1102 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { 1103 r = sdma_v4_0_load_microcode(adev); 1104 if (r) 1105 return r; 1106 } 1107 1108 /* unhalt the MEs */ 1109 sdma_v4_0_enable(adev, true); 1110 /* enable sdma ring preemption */ 1111 sdma_v4_0_ctx_switch_enable(adev, true); 1112 } 1113 1114 /* start the gfx rings and rlc compute queues */ 1115 for (i = 0; i < adev->sdma.num_instances; i++) { 1116 uint32_t temp; 1117 1118 WREG32_SDMA(i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL, 0); 1119 sdma_v4_0_gfx_resume(adev, i); 1120 if (adev->sdma.has_page_queue) 1121 sdma_v4_0_page_resume(adev, i); 1122 1123 /* set utc l1 enable flag always to 1 */ 1124 temp = RREG32_SDMA(i, mmSDMA0_CNTL); 1125 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1); 1126 WREG32_SDMA(i, mmSDMA0_CNTL, temp); 1127 1128 if (!amdgpu_sriov_vf(adev)) { 1129 /* unhalt engine */ 1130 temp = RREG32_SDMA(i, mmSDMA0_F32_CNTL); 1131 temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0); 1132 WREG32_SDMA(i, mmSDMA0_F32_CNTL, temp); 1133 } 1134 } 1135 1136 if (amdgpu_sriov_vf(adev)) { 1137 sdma_v4_0_ctx_switch_enable(adev, true); 1138 sdma_v4_0_enable(adev, true); 1139 } else { 1140 r = sdma_v4_0_rlc_resume(adev); 1141 if (r) 1142 return r; 1143 } 1144 1145 for (i = 0; i < adev->sdma.num_instances; i++) { 1146 ring = &adev->sdma.instance[i].ring; 1147 1148 r = amdgpu_ring_test_helper(ring); 1149 if (r) 1150 return r; 1151 1152 if (adev->sdma.has_page_queue) { 1153 struct amdgpu_ring *page = &adev->sdma.instance[i].page; 1154 1155 r = amdgpu_ring_test_helper(page); 1156 if (r) 1157 return r; 1158 1159 if (adev->mman.buffer_funcs_ring == page) 1160 amdgpu_ttm_set_buffer_funcs_status(adev, true); 1161 } 1162 1163 if (adev->mman.buffer_funcs_ring == ring) 1164 amdgpu_ttm_set_buffer_funcs_status(adev, true); 1165 } 1166 1167 return r; 1168 } 1169 1170 /** 1171 * sdma_v4_0_ring_test_ring - simple async dma engine test 1172 * 1173 * @ring: amdgpu_ring structure holding ring information 1174 * 1175 * Test the DMA engine by writing using it to write an 1176 * value to memory. (VEGA10). 1177 * Returns 0 for success, error for failure. 1178 */ 1179 static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring) 1180 { 1181 struct amdgpu_device *adev = ring->adev; 1182 unsigned i; 1183 unsigned index; 1184 int r; 1185 u32 tmp; 1186 u64 gpu_addr; 1187 1188 r = amdgpu_device_wb_get(adev, &index); 1189 if (r) 1190 return r; 1191 1192 gpu_addr = adev->wb.gpu_addr + (index * 4); 1193 tmp = 0xCAFEDEAD; 1194 adev->wb.wb[index] = cpu_to_le32(tmp); 1195 1196 r = amdgpu_ring_alloc(ring, 5); 1197 if (r) 1198 goto error_free_wb; 1199 1200 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1201 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 1202 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 1203 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 1204 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 1205 amdgpu_ring_write(ring, 0xDEADBEEF); 1206 amdgpu_ring_commit(ring); 1207 1208 for (i = 0; i < adev->usec_timeout; i++) { 1209 tmp = le32_to_cpu(adev->wb.wb[index]); 1210 if (tmp == 0xDEADBEEF) 1211 break; 1212 DRM_UDELAY(1); 1213 } 1214 1215 if (i >= adev->usec_timeout) 1216 r = -ETIMEDOUT; 1217 1218 error_free_wb: 1219 amdgpu_device_wb_free(adev, index); 1220 return r; 1221 } 1222 1223 /** 1224 * sdma_v4_0_ring_test_ib - test an IB on the DMA engine 1225 * 1226 * @ring: amdgpu_ring structure holding ring information 1227 * 1228 * Test a simple IB in the DMA ring (VEGA10). 1229 * Returns 0 on success, error on failure. 1230 */ 1231 static int sdma_v4_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) 1232 { 1233 struct amdgpu_device *adev = ring->adev; 1234 struct amdgpu_ib ib; 1235 struct dma_fence *f = NULL; 1236 unsigned index; 1237 long r; 1238 u32 tmp = 0; 1239 u64 gpu_addr; 1240 1241 r = amdgpu_device_wb_get(adev, &index); 1242 if (r) 1243 return r; 1244 1245 gpu_addr = adev->wb.gpu_addr + (index * 4); 1246 tmp = 0xCAFEDEAD; 1247 adev->wb.wb[index] = cpu_to_le32(tmp); 1248 memset(&ib, 0, sizeof(ib)); 1249 r = amdgpu_ib_get(adev, NULL, 256, &ib); 1250 if (r) 1251 goto err0; 1252 1253 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1254 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1255 ib.ptr[1] = lower_32_bits(gpu_addr); 1256 ib.ptr[2] = upper_32_bits(gpu_addr); 1257 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 1258 ib.ptr[4] = 0xDEADBEEF; 1259 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1260 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1261 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1262 ib.length_dw = 8; 1263 1264 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 1265 if (r) 1266 goto err1; 1267 1268 r = dma_fence_wait_timeout(f, false, timeout); 1269 if (r == 0) { 1270 r = -ETIMEDOUT; 1271 goto err1; 1272 } else if (r < 0) { 1273 goto err1; 1274 } 1275 tmp = le32_to_cpu(adev->wb.wb[index]); 1276 if (tmp == 0xDEADBEEF) 1277 r = 0; 1278 else 1279 r = -EINVAL; 1280 1281 err1: 1282 amdgpu_ib_free(adev, &ib, NULL); 1283 dma_fence_put(f); 1284 err0: 1285 amdgpu_device_wb_free(adev, index); 1286 return r; 1287 } 1288 1289 1290 /** 1291 * sdma_v4_0_vm_copy_pte - update PTEs by copying them from the GART 1292 * 1293 * @ib: indirect buffer to fill with commands 1294 * @pe: addr of the page entry 1295 * @src: src addr to copy from 1296 * @count: number of page entries to update 1297 * 1298 * Update PTEs by copying them from the GART using sDMA (VEGA10). 1299 */ 1300 static void sdma_v4_0_vm_copy_pte(struct amdgpu_ib *ib, 1301 uint64_t pe, uint64_t src, 1302 unsigned count) 1303 { 1304 unsigned bytes = count * 8; 1305 1306 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1307 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1308 ib->ptr[ib->length_dw++] = bytes - 1; 1309 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1310 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1311 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1312 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1313 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1314 1315 } 1316 1317 /** 1318 * sdma_v4_0_vm_write_pte - update PTEs by writing them manually 1319 * 1320 * @ib: indirect buffer to fill with commands 1321 * @pe: addr of the page entry 1322 * @addr: dst addr to write into pe 1323 * @count: number of page entries to update 1324 * @incr: increase next addr by incr bytes 1325 * @flags: access flags 1326 * 1327 * Update PTEs by writing them manually using sDMA (VEGA10). 1328 */ 1329 static void sdma_v4_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1330 uint64_t value, unsigned count, 1331 uint32_t incr) 1332 { 1333 unsigned ndw = count * 2; 1334 1335 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1336 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1337 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1338 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1339 ib->ptr[ib->length_dw++] = ndw - 1; 1340 for (; ndw > 0; ndw -= 2) { 1341 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1342 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1343 value += incr; 1344 } 1345 } 1346 1347 /** 1348 * sdma_v4_0_vm_set_pte_pde - update the page tables using sDMA 1349 * 1350 * @ib: indirect buffer to fill with commands 1351 * @pe: addr of the page entry 1352 * @addr: dst addr to write into pe 1353 * @count: number of page entries to update 1354 * @incr: increase next addr by incr bytes 1355 * @flags: access flags 1356 * 1357 * Update the page tables using sDMA (VEGA10). 1358 */ 1359 static void sdma_v4_0_vm_set_pte_pde(struct amdgpu_ib *ib, 1360 uint64_t pe, 1361 uint64_t addr, unsigned count, 1362 uint32_t incr, uint64_t flags) 1363 { 1364 /* for physically contiguous pages (vram) */ 1365 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE); 1366 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1367 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1368 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1369 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1370 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1371 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1372 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1373 ib->ptr[ib->length_dw++] = 0; 1374 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1375 } 1376 1377 /** 1378 * sdma_v4_0_ring_pad_ib - pad the IB to the required number of dw 1379 * 1380 * @ib: indirect buffer to fill with padding 1381 * 1382 */ 1383 static void sdma_v4_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1384 { 1385 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 1386 u32 pad_count; 1387 int i; 1388 1389 pad_count = (8 - (ib->length_dw & 0x7)) % 8; 1390 for (i = 0; i < pad_count; i++) 1391 if (sdma && sdma->burst_nop && (i == 0)) 1392 ib->ptr[ib->length_dw++] = 1393 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | 1394 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1395 else 1396 ib->ptr[ib->length_dw++] = 1397 SDMA_PKT_HEADER_OP(SDMA_OP_NOP); 1398 } 1399 1400 1401 /** 1402 * sdma_v4_0_ring_emit_pipeline_sync - sync the pipeline 1403 * 1404 * @ring: amdgpu_ring pointer 1405 * 1406 * Make sure all previous operations are completed (CIK). 1407 */ 1408 static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1409 { 1410 uint32_t seq = ring->fence_drv.sync_seq; 1411 uint64_t addr = ring->fence_drv.gpu_addr; 1412 1413 /* wait for idle */ 1414 sdma_v4_0_wait_reg_mem(ring, 1, 0, 1415 addr & 0xfffffffc, 1416 upper_32_bits(addr) & 0xffffffff, 1417 seq, 0xffffffff, 4); 1418 } 1419 1420 1421 /** 1422 * sdma_v4_0_ring_emit_vm_flush - vm flush using sDMA 1423 * 1424 * @ring: amdgpu_ring pointer 1425 * @vm: amdgpu_vm pointer 1426 * 1427 * Update the page table base and flush the VM TLB 1428 * using sDMA (VEGA10). 1429 */ 1430 static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 1431 unsigned vmid, uint64_t pd_addr) 1432 { 1433 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1434 } 1435 1436 static void sdma_v4_0_ring_emit_wreg(struct amdgpu_ring *ring, 1437 uint32_t reg, uint32_t val) 1438 { 1439 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | 1440 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); 1441 amdgpu_ring_write(ring, reg); 1442 amdgpu_ring_write(ring, val); 1443 } 1444 1445 static void sdma_v4_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1446 uint32_t val, uint32_t mask) 1447 { 1448 sdma_v4_0_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10); 1449 } 1450 1451 static bool sdma_v4_0_fw_support_paging_queue(struct amdgpu_device *adev) 1452 { 1453 uint fw_version = adev->sdma.instance[0].fw_version; 1454 1455 switch (adev->asic_type) { 1456 case CHIP_VEGA10: 1457 return fw_version >= 430; 1458 case CHIP_VEGA12: 1459 /*return fw_version >= 31;*/ 1460 return false; 1461 case CHIP_VEGA20: 1462 return fw_version >= 123; 1463 default: 1464 return false; 1465 } 1466 } 1467 1468 static int sdma_v4_0_early_init(void *handle) 1469 { 1470 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1471 int r; 1472 1473 if (adev->asic_type == CHIP_RAVEN) 1474 adev->sdma.num_instances = 1; 1475 else 1476 adev->sdma.num_instances = 2; 1477 1478 r = sdma_v4_0_init_microcode(adev); 1479 if (r) { 1480 DRM_ERROR("Failed to load sdma firmware!\n"); 1481 return r; 1482 } 1483 1484 /* TODO: Page queue breaks driver reload under SRIOV */ 1485 if ((adev->asic_type == CHIP_VEGA10) && amdgpu_sriov_vf((adev))) 1486 adev->sdma.has_page_queue = false; 1487 else if (sdma_v4_0_fw_support_paging_queue(adev)) 1488 adev->sdma.has_page_queue = true; 1489 1490 sdma_v4_0_set_ring_funcs(adev); 1491 sdma_v4_0_set_buffer_funcs(adev); 1492 sdma_v4_0_set_vm_pte_funcs(adev); 1493 sdma_v4_0_set_irq_funcs(adev); 1494 1495 return 0; 1496 } 1497 1498 static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev, 1499 struct amdgpu_iv_entry *entry); 1500 1501 static int sdma_v4_0_late_init(void *handle) 1502 { 1503 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1504 struct ras_common_if **ras_if = &adev->sdma.ras_if; 1505 struct ras_ih_if ih_info = { 1506 .cb = sdma_v4_0_process_ras_data_cb, 1507 }; 1508 struct ras_fs_if fs_info = { 1509 .sysfs_name = "sdma_err_count", 1510 .debugfs_name = "sdma_err_inject", 1511 }; 1512 struct ras_common_if ras_block = { 1513 .block = AMDGPU_RAS_BLOCK__SDMA, 1514 .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE, 1515 .sub_block_index = 0, 1516 .name = "sdma", 1517 }; 1518 int r; 1519 1520 if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { 1521 amdgpu_ras_feature_enable_on_boot(adev, &ras_block, 0); 1522 return 0; 1523 } 1524 1525 /* handle resume path. */ 1526 if (*ras_if) { 1527 /* resend ras TA enable cmd during resume. 1528 * prepare to handle failure. 1529 */ 1530 ih_info.head = **ras_if; 1531 r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1); 1532 if (r) { 1533 if (r == -EAGAIN) { 1534 /* request a gpu reset. will run again. */ 1535 amdgpu_ras_request_reset_on_boot(adev, 1536 AMDGPU_RAS_BLOCK__SDMA); 1537 return 0; 1538 } 1539 /* fail to enable ras, cleanup all. */ 1540 goto irq; 1541 } 1542 /* enable successfully. continue. */ 1543 goto resume; 1544 } 1545 1546 *ras_if = kmalloc(sizeof(**ras_if), GFP_KERNEL); 1547 if (!*ras_if) 1548 return -ENOMEM; 1549 1550 **ras_if = ras_block; 1551 1552 r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1); 1553 if (r) { 1554 if (r == -EAGAIN) { 1555 amdgpu_ras_request_reset_on_boot(adev, 1556 AMDGPU_RAS_BLOCK__SDMA); 1557 r = 0; 1558 } 1559 goto feature; 1560 } 1561 1562 ih_info.head = **ras_if; 1563 fs_info.head = **ras_if; 1564 1565 r = amdgpu_ras_interrupt_add_handler(adev, &ih_info); 1566 if (r) 1567 goto interrupt; 1568 1569 amdgpu_ras_debugfs_create(adev, &fs_info); 1570 1571 r = amdgpu_ras_sysfs_create(adev, &fs_info); 1572 if (r) 1573 goto sysfs; 1574 resume: 1575 r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE0); 1576 if (r) 1577 goto irq; 1578 1579 r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE1); 1580 if (r) { 1581 amdgpu_irq_put(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE0); 1582 goto irq; 1583 } 1584 1585 return 0; 1586 irq: 1587 amdgpu_ras_sysfs_remove(adev, *ras_if); 1588 sysfs: 1589 amdgpu_ras_debugfs_remove(adev, *ras_if); 1590 amdgpu_ras_interrupt_remove_handler(adev, &ih_info); 1591 interrupt: 1592 amdgpu_ras_feature_enable(adev, *ras_if, 0); 1593 feature: 1594 kfree(*ras_if); 1595 *ras_if = NULL; 1596 return r; 1597 } 1598 1599 static int sdma_v4_0_sw_init(void *handle) 1600 { 1601 struct amdgpu_ring *ring; 1602 int r, i; 1603 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1604 1605 /* SDMA trap event */ 1606 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, SDMA0_4_0__SRCID__SDMA_TRAP, 1607 &adev->sdma.trap_irq); 1608 if (r) 1609 return r; 1610 1611 /* SDMA trap event */ 1612 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, SDMA1_4_0__SRCID__SDMA_TRAP, 1613 &adev->sdma.trap_irq); 1614 if (r) 1615 return r; 1616 1617 /* SDMA SRAM ECC event */ 1618 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, SDMA0_4_0__SRCID__SDMA_SRAM_ECC, 1619 &adev->sdma.ecc_irq); 1620 if (r) 1621 return r; 1622 1623 /* SDMA SRAM ECC event */ 1624 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, SDMA1_4_0__SRCID__SDMA_SRAM_ECC, 1625 &adev->sdma.ecc_irq); 1626 if (r) 1627 return r; 1628 1629 for (i = 0; i < adev->sdma.num_instances; i++) { 1630 ring = &adev->sdma.instance[i].ring; 1631 ring->ring_obj = NULL; 1632 ring->use_doorbell = true; 1633 1634 DRM_INFO("use_doorbell being set to: [%s]\n", 1635 ring->use_doorbell?"true":"false"); 1636 1637 /* doorbell size is 2 dwords, get DWORD offset */ 1638 ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1; 1639 1640 sprintf(ring->name, "sdma%d", i); 1641 r = amdgpu_ring_init(adev, ring, 1024, 1642 &adev->sdma.trap_irq, 1643 (i == 0) ? 1644 AMDGPU_SDMA_IRQ_INSTANCE0 : 1645 AMDGPU_SDMA_IRQ_INSTANCE1); 1646 if (r) 1647 return r; 1648 1649 if (adev->sdma.has_page_queue) { 1650 ring = &adev->sdma.instance[i].page; 1651 ring->ring_obj = NULL; 1652 ring->use_doorbell = true; 1653 1654 /* paging queue use same doorbell index/routing as gfx queue 1655 * with 0x400 (4096 dwords) offset on second doorbell page 1656 */ 1657 ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1; 1658 ring->doorbell_index += 0x400; 1659 1660 sprintf(ring->name, "page%d", i); 1661 r = amdgpu_ring_init(adev, ring, 1024, 1662 &adev->sdma.trap_irq, 1663 (i == 0) ? 1664 AMDGPU_SDMA_IRQ_INSTANCE0 : 1665 AMDGPU_SDMA_IRQ_INSTANCE1); 1666 if (r) 1667 return r; 1668 } 1669 } 1670 1671 return r; 1672 } 1673 1674 static int sdma_v4_0_sw_fini(void *handle) 1675 { 1676 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1677 int i; 1678 1679 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA) && 1680 adev->sdma.ras_if) { 1681 struct ras_common_if *ras_if = adev->sdma.ras_if; 1682 struct ras_ih_if ih_info = { 1683 .head = *ras_if, 1684 }; 1685 1686 /*remove fs first*/ 1687 amdgpu_ras_debugfs_remove(adev, ras_if); 1688 amdgpu_ras_sysfs_remove(adev, ras_if); 1689 /*remove the IH*/ 1690 amdgpu_ras_interrupt_remove_handler(adev, &ih_info); 1691 amdgpu_ras_feature_enable(adev, ras_if, 0); 1692 kfree(ras_if); 1693 } 1694 1695 for (i = 0; i < adev->sdma.num_instances; i++) { 1696 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1697 if (adev->sdma.has_page_queue) 1698 amdgpu_ring_fini(&adev->sdma.instance[i].page); 1699 } 1700 1701 for (i = 0; i < adev->sdma.num_instances; i++) { 1702 release_firmware(adev->sdma.instance[i].fw); 1703 adev->sdma.instance[i].fw = NULL; 1704 } 1705 1706 return 0; 1707 } 1708 1709 static int sdma_v4_0_hw_init(void *handle) 1710 { 1711 int r; 1712 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1713 1714 if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs && 1715 adev->powerplay.pp_funcs->set_powergating_by_smu) 1716 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, false); 1717 1718 sdma_v4_0_init_golden_registers(adev); 1719 1720 r = sdma_v4_0_start(adev); 1721 1722 return r; 1723 } 1724 1725 static int sdma_v4_0_hw_fini(void *handle) 1726 { 1727 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1728 1729 if (amdgpu_sriov_vf(adev)) 1730 return 0; 1731 1732 amdgpu_irq_put(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE0); 1733 amdgpu_irq_put(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE1); 1734 1735 sdma_v4_0_ctx_switch_enable(adev, false); 1736 sdma_v4_0_enable(adev, false); 1737 1738 if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs 1739 && adev->powerplay.pp_funcs->set_powergating_by_smu) 1740 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, true); 1741 1742 return 0; 1743 } 1744 1745 static int sdma_v4_0_suspend(void *handle) 1746 { 1747 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1748 1749 return sdma_v4_0_hw_fini(adev); 1750 } 1751 1752 static int sdma_v4_0_resume(void *handle) 1753 { 1754 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1755 1756 return sdma_v4_0_hw_init(adev); 1757 } 1758 1759 static bool sdma_v4_0_is_idle(void *handle) 1760 { 1761 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1762 u32 i; 1763 1764 for (i = 0; i < adev->sdma.num_instances; i++) { 1765 u32 tmp = RREG32_SDMA(i, mmSDMA0_STATUS_REG); 1766 1767 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 1768 return false; 1769 } 1770 1771 return true; 1772 } 1773 1774 static int sdma_v4_0_wait_for_idle(void *handle) 1775 { 1776 unsigned i; 1777 u32 sdma0, sdma1; 1778 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1779 1780 for (i = 0; i < adev->usec_timeout; i++) { 1781 sdma0 = RREG32_SDMA(0, mmSDMA0_STATUS_REG); 1782 sdma1 = RREG32_SDMA(1, mmSDMA0_STATUS_REG); 1783 1784 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK) 1785 return 0; 1786 udelay(1); 1787 } 1788 return -ETIMEDOUT; 1789 } 1790 1791 static int sdma_v4_0_soft_reset(void *handle) 1792 { 1793 /* todo */ 1794 1795 return 0; 1796 } 1797 1798 static int sdma_v4_0_set_trap_irq_state(struct amdgpu_device *adev, 1799 struct amdgpu_irq_src *source, 1800 unsigned type, 1801 enum amdgpu_interrupt_state state) 1802 { 1803 u32 sdma_cntl; 1804 1805 sdma_cntl = RREG32_SDMA(type, mmSDMA0_CNTL); 1806 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1807 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1808 WREG32_SDMA(type, mmSDMA0_CNTL, sdma_cntl); 1809 1810 return 0; 1811 } 1812 1813 static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev, 1814 struct amdgpu_irq_src *source, 1815 struct amdgpu_iv_entry *entry) 1816 { 1817 uint32_t instance; 1818 1819 DRM_DEBUG("IH: SDMA trap\n"); 1820 switch (entry->client_id) { 1821 case SOC15_IH_CLIENTID_SDMA0: 1822 instance = 0; 1823 break; 1824 case SOC15_IH_CLIENTID_SDMA1: 1825 instance = 1; 1826 break; 1827 default: 1828 return 0; 1829 } 1830 1831 switch (entry->ring_id) { 1832 case 0: 1833 amdgpu_fence_process(&adev->sdma.instance[instance].ring); 1834 break; 1835 case 1: 1836 if (adev->asic_type == CHIP_VEGA20) 1837 amdgpu_fence_process(&adev->sdma.instance[instance].page); 1838 break; 1839 case 2: 1840 /* XXX compute */ 1841 break; 1842 case 3: 1843 if (adev->asic_type != CHIP_VEGA20) 1844 amdgpu_fence_process(&adev->sdma.instance[instance].page); 1845 break; 1846 } 1847 return 0; 1848 } 1849 1850 static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev, 1851 struct amdgpu_iv_entry *entry) 1852 { 1853 uint32_t instance, err_source; 1854 1855 switch (entry->client_id) { 1856 case SOC15_IH_CLIENTID_SDMA0: 1857 instance = 0; 1858 break; 1859 case SOC15_IH_CLIENTID_SDMA1: 1860 instance = 1; 1861 break; 1862 default: 1863 return 0; 1864 } 1865 1866 switch (entry->src_id) { 1867 case SDMA0_4_0__SRCID__SDMA_SRAM_ECC: 1868 err_source = 0; 1869 break; 1870 case SDMA0_4_0__SRCID__SDMA_ECC: 1871 err_source = 1; 1872 break; 1873 default: 1874 return 0; 1875 } 1876 1877 kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); 1878 1879 amdgpu_ras_reset_gpu(adev, 0); 1880 1881 return AMDGPU_RAS_UE; 1882 } 1883 1884 static int sdma_v4_0_process_ecc_irq(struct amdgpu_device *adev, 1885 struct amdgpu_irq_src *source, 1886 struct amdgpu_iv_entry *entry) 1887 { 1888 struct ras_common_if *ras_if = adev->sdma.ras_if; 1889 struct ras_dispatch_if ih_data = { 1890 .entry = entry, 1891 }; 1892 1893 if (!ras_if) 1894 return 0; 1895 1896 ih_data.head = *ras_if; 1897 1898 amdgpu_ras_interrupt_dispatch(adev, &ih_data); 1899 return 0; 1900 } 1901 1902 static int sdma_v4_0_process_illegal_inst_irq(struct amdgpu_device *adev, 1903 struct amdgpu_irq_src *source, 1904 struct amdgpu_iv_entry *entry) 1905 { 1906 int instance; 1907 1908 DRM_ERROR("Illegal instruction in SDMA command stream\n"); 1909 1910 switch (entry->client_id) { 1911 case SOC15_IH_CLIENTID_SDMA0: 1912 instance = 0; 1913 break; 1914 case SOC15_IH_CLIENTID_SDMA1: 1915 instance = 1; 1916 break; 1917 default: 1918 return 0; 1919 } 1920 1921 switch (entry->ring_id) { 1922 case 0: 1923 drm_sched_fault(&adev->sdma.instance[instance].ring.sched); 1924 break; 1925 } 1926 return 0; 1927 } 1928 1929 static int sdma_v4_0_set_ecc_irq_state(struct amdgpu_device *adev, 1930 struct amdgpu_irq_src *source, 1931 unsigned type, 1932 enum amdgpu_interrupt_state state) 1933 { 1934 u32 sdma_edc_config; 1935 1936 u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ? 1937 sdma_v4_0_get_reg_offset(adev, 0, mmSDMA0_EDC_CONFIG) : 1938 sdma_v4_0_get_reg_offset(adev, 1, mmSDMA0_EDC_CONFIG); 1939 1940 sdma_edc_config = RREG32(reg_offset); 1941 sdma_edc_config = REG_SET_FIELD(sdma_edc_config, SDMA0_EDC_CONFIG, ECC_INT_ENABLE, 1942 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1943 WREG32(reg_offset, sdma_edc_config); 1944 1945 return 0; 1946 } 1947 1948 static void sdma_v4_0_update_medium_grain_clock_gating( 1949 struct amdgpu_device *adev, 1950 bool enable) 1951 { 1952 uint32_t data, def; 1953 1954 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { 1955 /* enable sdma0 clock gating */ 1956 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL)); 1957 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1958 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1959 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1960 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1961 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1962 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1963 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1964 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1965 if (def != data) 1966 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data); 1967 1968 if (adev->sdma.num_instances > 1) { 1969 def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL)); 1970 data &= ~(SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1971 SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1972 SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1973 SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1974 SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1975 SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1976 SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1977 SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1978 if (def != data) 1979 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data); 1980 } 1981 } else { 1982 /* disable sdma0 clock gating */ 1983 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL)); 1984 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1985 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1986 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1987 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1988 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1989 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1990 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1991 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1992 1993 if (def != data) 1994 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data); 1995 1996 if (adev->sdma.num_instances > 1) { 1997 def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL)); 1998 data |= (SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1999 SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK | 2000 SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK | 2001 SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK | 2002 SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK | 2003 SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK | 2004 SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK | 2005 SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK); 2006 if (def != data) 2007 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data); 2008 } 2009 } 2010 } 2011 2012 2013 static void sdma_v4_0_update_medium_grain_light_sleep( 2014 struct amdgpu_device *adev, 2015 bool enable) 2016 { 2017 uint32_t data, def; 2018 2019 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { 2020 /* 1-not override: enable sdma0 mem light sleep */ 2021 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 2022 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 2023 if (def != data) 2024 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); 2025 2026 /* 1-not override: enable sdma1 mem light sleep */ 2027 if (adev->sdma.num_instances > 1) { 2028 def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL)); 2029 data |= SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 2030 if (def != data) 2031 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data); 2032 } 2033 } else { 2034 /* 0-override:disable sdma0 mem light sleep */ 2035 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 2036 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 2037 if (def != data) 2038 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); 2039 2040 /* 0-override:disable sdma1 mem light sleep */ 2041 if (adev->sdma.num_instances > 1) { 2042 def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL)); 2043 data &= ~SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 2044 if (def != data) 2045 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data); 2046 } 2047 } 2048 } 2049 2050 static int sdma_v4_0_set_clockgating_state(void *handle, 2051 enum amd_clockgating_state state) 2052 { 2053 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2054 2055 if (amdgpu_sriov_vf(adev)) 2056 return 0; 2057 2058 switch (adev->asic_type) { 2059 case CHIP_VEGA10: 2060 case CHIP_VEGA12: 2061 case CHIP_VEGA20: 2062 case CHIP_RAVEN: 2063 sdma_v4_0_update_medium_grain_clock_gating(adev, 2064 state == AMD_CG_STATE_GATE ? true : false); 2065 sdma_v4_0_update_medium_grain_light_sleep(adev, 2066 state == AMD_CG_STATE_GATE ? true : false); 2067 break; 2068 default: 2069 break; 2070 } 2071 return 0; 2072 } 2073 2074 static int sdma_v4_0_set_powergating_state(void *handle, 2075 enum amd_powergating_state state) 2076 { 2077 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2078 2079 switch (adev->asic_type) { 2080 case CHIP_RAVEN: 2081 sdma_v4_1_update_power_gating(adev, 2082 state == AMD_PG_STATE_GATE ? true : false); 2083 break; 2084 default: 2085 break; 2086 } 2087 2088 return 0; 2089 } 2090 2091 static void sdma_v4_0_get_clockgating_state(void *handle, u32 *flags) 2092 { 2093 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2094 int data; 2095 2096 if (amdgpu_sriov_vf(adev)) 2097 *flags = 0; 2098 2099 /* AMD_CG_SUPPORT_SDMA_MGCG */ 2100 data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL)); 2101 if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK)) 2102 *flags |= AMD_CG_SUPPORT_SDMA_MGCG; 2103 2104 /* AMD_CG_SUPPORT_SDMA_LS */ 2105 data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 2106 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) 2107 *flags |= AMD_CG_SUPPORT_SDMA_LS; 2108 } 2109 2110 const struct amd_ip_funcs sdma_v4_0_ip_funcs = { 2111 .name = "sdma_v4_0", 2112 .early_init = sdma_v4_0_early_init, 2113 .late_init = sdma_v4_0_late_init, 2114 .sw_init = sdma_v4_0_sw_init, 2115 .sw_fini = sdma_v4_0_sw_fini, 2116 .hw_init = sdma_v4_0_hw_init, 2117 .hw_fini = sdma_v4_0_hw_fini, 2118 .suspend = sdma_v4_0_suspend, 2119 .resume = sdma_v4_0_resume, 2120 .is_idle = sdma_v4_0_is_idle, 2121 .wait_for_idle = sdma_v4_0_wait_for_idle, 2122 .soft_reset = sdma_v4_0_soft_reset, 2123 .set_clockgating_state = sdma_v4_0_set_clockgating_state, 2124 .set_powergating_state = sdma_v4_0_set_powergating_state, 2125 .get_clockgating_state = sdma_v4_0_get_clockgating_state, 2126 }; 2127 2128 static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = { 2129 .type = AMDGPU_RING_TYPE_SDMA, 2130 .align_mask = 0xf, 2131 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 2132 .support_64bit_ptrs = true, 2133 .vmhub = AMDGPU_MMHUB, 2134 .get_rptr = sdma_v4_0_ring_get_rptr, 2135 .get_wptr = sdma_v4_0_ring_get_wptr, 2136 .set_wptr = sdma_v4_0_ring_set_wptr, 2137 .emit_frame_size = 2138 6 + /* sdma_v4_0_ring_emit_hdp_flush */ 2139 3 + /* hdp invalidate */ 2140 6 + /* sdma_v4_0_ring_emit_pipeline_sync */ 2141 /* sdma_v4_0_ring_emit_vm_flush */ 2142 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 2143 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + 2144 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */ 2145 .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */ 2146 .emit_ib = sdma_v4_0_ring_emit_ib, 2147 .emit_fence = sdma_v4_0_ring_emit_fence, 2148 .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync, 2149 .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush, 2150 .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush, 2151 .test_ring = sdma_v4_0_ring_test_ring, 2152 .test_ib = sdma_v4_0_ring_test_ib, 2153 .insert_nop = sdma_v4_0_ring_insert_nop, 2154 .pad_ib = sdma_v4_0_ring_pad_ib, 2155 .emit_wreg = sdma_v4_0_ring_emit_wreg, 2156 .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait, 2157 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 2158 }; 2159 2160 static const struct amdgpu_ring_funcs sdma_v4_0_page_ring_funcs = { 2161 .type = AMDGPU_RING_TYPE_SDMA, 2162 .align_mask = 0xf, 2163 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 2164 .support_64bit_ptrs = true, 2165 .vmhub = AMDGPU_MMHUB, 2166 .get_rptr = sdma_v4_0_ring_get_rptr, 2167 .get_wptr = sdma_v4_0_page_ring_get_wptr, 2168 .set_wptr = sdma_v4_0_page_ring_set_wptr, 2169 .emit_frame_size = 2170 6 + /* sdma_v4_0_ring_emit_hdp_flush */ 2171 3 + /* hdp invalidate */ 2172 6 + /* sdma_v4_0_ring_emit_pipeline_sync */ 2173 /* sdma_v4_0_ring_emit_vm_flush */ 2174 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 2175 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + 2176 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */ 2177 .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */ 2178 .emit_ib = sdma_v4_0_ring_emit_ib, 2179 .emit_fence = sdma_v4_0_ring_emit_fence, 2180 .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync, 2181 .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush, 2182 .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush, 2183 .test_ring = sdma_v4_0_ring_test_ring, 2184 .test_ib = sdma_v4_0_ring_test_ib, 2185 .insert_nop = sdma_v4_0_ring_insert_nop, 2186 .pad_ib = sdma_v4_0_ring_pad_ib, 2187 .emit_wreg = sdma_v4_0_ring_emit_wreg, 2188 .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait, 2189 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 2190 }; 2191 2192 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev) 2193 { 2194 int i; 2195 2196 for (i = 0; i < adev->sdma.num_instances; i++) { 2197 adev->sdma.instance[i].ring.funcs = &sdma_v4_0_ring_funcs; 2198 adev->sdma.instance[i].ring.me = i; 2199 if (adev->sdma.has_page_queue) { 2200 adev->sdma.instance[i].page.funcs = &sdma_v4_0_page_ring_funcs; 2201 adev->sdma.instance[i].page.me = i; 2202 } 2203 } 2204 } 2205 2206 static const struct amdgpu_irq_src_funcs sdma_v4_0_trap_irq_funcs = { 2207 .set = sdma_v4_0_set_trap_irq_state, 2208 .process = sdma_v4_0_process_trap_irq, 2209 }; 2210 2211 static const struct amdgpu_irq_src_funcs sdma_v4_0_illegal_inst_irq_funcs = { 2212 .process = sdma_v4_0_process_illegal_inst_irq, 2213 }; 2214 2215 static const struct amdgpu_irq_src_funcs sdma_v4_0_ecc_irq_funcs = { 2216 .set = sdma_v4_0_set_ecc_irq_state, 2217 .process = sdma_v4_0_process_ecc_irq, 2218 }; 2219 2220 2221 2222 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev) 2223 { 2224 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; 2225 adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs; 2226 adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs; 2227 adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_LAST; 2228 adev->sdma.ecc_irq.funcs = &sdma_v4_0_ecc_irq_funcs; 2229 } 2230 2231 /** 2232 * sdma_v4_0_emit_copy_buffer - copy buffer using the sDMA engine 2233 * 2234 * @ring: amdgpu_ring structure holding ring information 2235 * @src_offset: src GPU address 2236 * @dst_offset: dst GPU address 2237 * @byte_count: number of bytes to xfer 2238 * 2239 * Copy GPU buffers using the DMA engine (VEGA10/12). 2240 * Used by the amdgpu ttm implementation to move pages if 2241 * registered as the asic copy callback. 2242 */ 2243 static void sdma_v4_0_emit_copy_buffer(struct amdgpu_ib *ib, 2244 uint64_t src_offset, 2245 uint64_t dst_offset, 2246 uint32_t byte_count) 2247 { 2248 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 2249 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 2250 ib->ptr[ib->length_dw++] = byte_count - 1; 2251 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 2252 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 2253 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 2254 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 2255 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 2256 } 2257 2258 /** 2259 * sdma_v4_0_emit_fill_buffer - fill buffer using the sDMA engine 2260 * 2261 * @ring: amdgpu_ring structure holding ring information 2262 * @src_data: value to write to buffer 2263 * @dst_offset: dst GPU address 2264 * @byte_count: number of bytes to xfer 2265 * 2266 * Fill GPU buffers using the DMA engine (VEGA10/12). 2267 */ 2268 static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib, 2269 uint32_t src_data, 2270 uint64_t dst_offset, 2271 uint32_t byte_count) 2272 { 2273 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); 2274 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 2275 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 2276 ib->ptr[ib->length_dw++] = src_data; 2277 ib->ptr[ib->length_dw++] = byte_count - 1; 2278 } 2279 2280 static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = { 2281 .copy_max_bytes = 0x400000, 2282 .copy_num_dw = 7, 2283 .emit_copy_buffer = sdma_v4_0_emit_copy_buffer, 2284 2285 .fill_max_bytes = 0x400000, 2286 .fill_num_dw = 5, 2287 .emit_fill_buffer = sdma_v4_0_emit_fill_buffer, 2288 }; 2289 2290 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev) 2291 { 2292 adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs; 2293 if (adev->sdma.has_page_queue && adev->sdma.num_instances > 1) 2294 adev->mman.buffer_funcs_ring = &adev->sdma.instance[1].page; 2295 else 2296 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 2297 } 2298 2299 static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = { 2300 .copy_pte_num_dw = 7, 2301 .copy_pte = sdma_v4_0_vm_copy_pte, 2302 2303 .write_pte = sdma_v4_0_vm_write_pte, 2304 .set_pte_pde = sdma_v4_0_vm_set_pte_pde, 2305 }; 2306 2307 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev) 2308 { 2309 struct drm_gpu_scheduler *sched; 2310 unsigned i; 2311 2312 adev->vm_manager.vm_pte_funcs = &sdma_v4_0_vm_pte_funcs; 2313 if (adev->sdma.has_page_queue && adev->sdma.num_instances > 1) { 2314 for (i = 1; i < adev->sdma.num_instances; i++) { 2315 sched = &adev->sdma.instance[i].page.sched; 2316 adev->vm_manager.vm_pte_rqs[i - 1] = 2317 &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL]; 2318 } 2319 adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances - 1; 2320 adev->vm_manager.page_fault = &adev->sdma.instance[0].page; 2321 } else { 2322 for (i = 0; i < adev->sdma.num_instances; i++) { 2323 sched = &adev->sdma.instance[i].ring.sched; 2324 adev->vm_manager.vm_pte_rqs[i] = 2325 &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL]; 2326 } 2327 adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances; 2328 } 2329 } 2330 2331 const struct amdgpu_ip_block_version sdma_v4_0_ip_block = { 2332 .type = AMD_IP_BLOCK_TYPE_SDMA, 2333 .major = 4, 2334 .minor = 0, 2335 .rev = 0, 2336 .funcs = &sdma_v4_0_ip_funcs, 2337 }; 2338