1 /* 2 * Copyright 2017 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 * Authors: Xiangliang.Yu@amd.com 23 */ 24 25 #include "amdgpu.h" 26 #include "vi.h" 27 #include "bif/bif_5_0_d.h" 28 #include "bif/bif_5_0_sh_mask.h" 29 #include "vid.h" 30 #include "gca/gfx_8_0_d.h" 31 #include "gca/gfx_8_0_sh_mask.h" 32 #include "gmc_v8_0.h" 33 #include "gfx_v8_0.h" 34 #include "sdma_v3_0.h" 35 #include "tonga_ih.h" 36 #include "gmc/gmc_8_2_d.h" 37 #include "gmc/gmc_8_2_sh_mask.h" 38 #include "oss/oss_3_0_d.h" 39 #include "oss/oss_3_0_sh_mask.h" 40 #include "dce/dce_10_0_d.h" 41 #include "dce/dce_10_0_sh_mask.h" 42 #include "smu/smu_7_1_3_d.h" 43 #include "mxgpu_vi.h" 44 45 #include "amdgpu_reset.h" 46 47 /* VI golden setting */ 48 static const u32 xgpu_fiji_mgcg_cgcg_init[] = { 49 mmRLC_CGTT_MGCG_OVERRIDE, 0xffffffff, 0xffffffff, 50 mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000, 51 mmCB_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100, 52 mmCGTT_BCI_CLK_CTRL, 0xffffffff, 0x00000100, 53 mmCGTT_CP_CLK_CTRL, 0xffffffff, 0x00000100, 54 mmCGTT_CPC_CLK_CTRL, 0xffffffff, 0x00000100, 55 mmCGTT_CPF_CLK_CTRL, 0xffffffff, 0x40000100, 56 mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100, 57 mmCGTT_GDS_CLK_CTRL, 0xffffffff, 0x00000100, 58 mmCGTT_IA_CLK_CTRL, 0xffffffff, 0x06000100, 59 mmCGTT_PA_CLK_CTRL, 0xffffffff, 0x00000100, 60 mmCGTT_WD_CLK_CTRL, 0xffffffff, 0x06000100, 61 mmCGTT_PC_CLK_CTRL, 0xffffffff, 0x00000100, 62 mmCGTT_RLC_CLK_CTRL, 0xffffffff, 0x00000100, 63 mmCGTT_SC_CLK_CTRL, 0xffffffff, 0x00000100, 64 mmCGTT_SPI_CLK_CTRL, 0xffffffff, 0x00000100, 65 mmCGTT_SQ_CLK_CTRL, 0xffffffff, 0x00000100, 66 mmCGTT_SQG_CLK_CTRL, 0xffffffff, 0x00000100, 67 mmCGTT_SX_CLK_CTRL0, 0xffffffff, 0x00000100, 68 mmCGTT_SX_CLK_CTRL1, 0xffffffff, 0x00000100, 69 mmCGTT_SX_CLK_CTRL2, 0xffffffff, 0x00000100, 70 mmCGTT_SX_CLK_CTRL3, 0xffffffff, 0x00000100, 71 mmCGTT_SX_CLK_CTRL4, 0xffffffff, 0x00000100, 72 mmCGTT_TCI_CLK_CTRL, 0xffffffff, 0x00000100, 73 mmCGTT_TCP_CLK_CTRL, 0xffffffff, 0x00000100, 74 mmCGTT_VGT_CLK_CTRL, 0xffffffff, 0x06000100, 75 mmDB_CGTT_CLK_CTRL_0, 0xffffffff, 0x00000100, 76 mmTA_CGTT_CTRL, 0xffffffff, 0x00000100, 77 mmTCA_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100, 78 mmTCC_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100, 79 mmTD_CGTT_CTRL, 0xffffffff, 0x00000100, 80 mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000, 81 mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96e00200, 82 mmCP_RB_WPTR_POLL_CNTL, 0xffffffff, 0x00900100, 83 mmRLC_CGCG_CGLS_CTRL, 0xffffffff, 0x0020003c, 84 mmPCIE_INDEX, 0xffffffff, 0x0140001c, 85 mmPCIE_DATA, 0x000f0000, 0x00000000, 86 mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C, 87 mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100, 88 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 89 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 90 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104, 91 mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100, 92 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104, 93 mmCP_MEM_SLP_CNTL, 0x00000001, 0x00000001, 94 mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100, 95 mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100, 96 }; 97 98 static const u32 xgpu_fiji_golden_settings_a10[] = { 99 mmCB_HW_CONTROL_3, 0x000001ff, 0x00000040, 100 mmDB_DEBUG2, 0xf00fffff, 0x00000400, 101 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 102 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 103 mmFBC_MISC, 0x1f311fff, 0x12300000, 104 mmHDMI_CONTROL, 0x31000111, 0x00000011, 105 mmPA_SC_ENHANCE, 0xffffffff, 0x20000001, 106 mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000, 107 mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, 108 mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100, 109 mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100, 110 mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100, 111 mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, 112 mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100, 113 mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100, 114 mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100, 115 mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd, 116 mmTA_CNTL_AUX, 0x000f000f, 0x000b0000, 117 mmTCC_EXE_DISABLE, 0x00000002, 0x00000002, 118 mmTCP_ADDR_CONFIG, 0x000003ff, 0x000000ff, 119 mmVGT_RESET_DEBUG, 0x00000004, 0x00000004, 120 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 121 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 122 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 123 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, 124 }; 125 126 static const u32 xgpu_fiji_golden_common_all[] = { 127 mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000, 128 mmPA_SC_RASTER_CONFIG, 0xffffffff, 0x3a00161a, 129 mmPA_SC_RASTER_CONFIG_1, 0xffffffff, 0x0000002e, 130 mmGB_ADDR_CONFIG, 0xffffffff, 0x22011003, 131 mmSPI_RESOURCE_RESERVE_CU_0, 0xffffffff, 0x00000800, 132 mmSPI_RESOURCE_RESERVE_CU_1, 0xffffffff, 0x00000800, 133 mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF, 134 mmSPI_RESOURCE_RESERVE_EN_CU_1, 0xffffffff, 0x00007FAF, 135 mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000, 136 mmSPI_CONFIG_CNTL_1, 0x0000000f, 0x00000009, 137 }; 138 139 static const u32 xgpu_tonga_mgcg_cgcg_init[] = { 140 mmRLC_CGTT_MGCG_OVERRIDE, 0xffffffff, 0xffffffff, 141 mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000, 142 mmCB_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100, 143 mmCGTT_BCI_CLK_CTRL, 0xffffffff, 0x00000100, 144 mmCGTT_CP_CLK_CTRL, 0xffffffff, 0x00000100, 145 mmCGTT_CPC_CLK_CTRL, 0xffffffff, 0x00000100, 146 mmCGTT_CPF_CLK_CTRL, 0xffffffff, 0x40000100, 147 mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100, 148 mmCGTT_GDS_CLK_CTRL, 0xffffffff, 0x00000100, 149 mmCGTT_IA_CLK_CTRL, 0xffffffff, 0x06000100, 150 mmCGTT_PA_CLK_CTRL, 0xffffffff, 0x00000100, 151 mmCGTT_WD_CLK_CTRL, 0xffffffff, 0x06000100, 152 mmCGTT_PC_CLK_CTRL, 0xffffffff, 0x00000100, 153 mmCGTT_RLC_CLK_CTRL, 0xffffffff, 0x00000100, 154 mmCGTT_SC_CLK_CTRL, 0xffffffff, 0x00000100, 155 mmCGTT_SPI_CLK_CTRL, 0xffffffff, 0x00000100, 156 mmCGTT_SQ_CLK_CTRL, 0xffffffff, 0x00000100, 157 mmCGTT_SQG_CLK_CTRL, 0xffffffff, 0x00000100, 158 mmCGTT_SX_CLK_CTRL0, 0xffffffff, 0x00000100, 159 mmCGTT_SX_CLK_CTRL1, 0xffffffff, 0x00000100, 160 mmCGTT_SX_CLK_CTRL2, 0xffffffff, 0x00000100, 161 mmCGTT_SX_CLK_CTRL3, 0xffffffff, 0x00000100, 162 mmCGTT_SX_CLK_CTRL4, 0xffffffff, 0x00000100, 163 mmCGTT_TCI_CLK_CTRL, 0xffffffff, 0x00000100, 164 mmCGTT_TCP_CLK_CTRL, 0xffffffff, 0x00000100, 165 mmCGTT_VGT_CLK_CTRL, 0xffffffff, 0x06000100, 166 mmDB_CGTT_CLK_CTRL_0, 0xffffffff, 0x00000100, 167 mmTA_CGTT_CTRL, 0xffffffff, 0x00000100, 168 mmTCA_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100, 169 mmTCC_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100, 170 mmTD_CGTT_CTRL, 0xffffffff, 0x00000100, 171 mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000, 172 mmCGTS_CU0_SP0_CTRL_REG, 0xffffffff, 0x00010000, 173 mmCGTS_CU0_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002, 174 mmCGTS_CU0_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007, 175 mmCGTS_CU0_SP1_CTRL_REG, 0xffffffff, 0x00060005, 176 mmCGTS_CU0_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008, 177 mmCGTS_CU1_SP0_CTRL_REG, 0xffffffff, 0x00010000, 178 mmCGTS_CU1_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002, 179 mmCGTS_CU1_TA_CTRL_REG, 0xffffffff, 0x00040007, 180 mmCGTS_CU1_SP1_CTRL_REG, 0xffffffff, 0x00060005, 181 mmCGTS_CU1_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008, 182 mmCGTS_CU2_SP0_CTRL_REG, 0xffffffff, 0x00010000, 183 mmCGTS_CU2_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002, 184 mmCGTS_CU2_TA_CTRL_REG, 0xffffffff, 0x00040007, 185 mmCGTS_CU2_SP1_CTRL_REG, 0xffffffff, 0x00060005, 186 mmCGTS_CU2_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008, 187 mmCGTS_CU3_SP0_CTRL_REG, 0xffffffff, 0x00010000, 188 mmCGTS_CU3_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002, 189 mmCGTS_CU3_TA_CTRL_REG, 0xffffffff, 0x00040007, 190 mmCGTS_CU3_SP1_CTRL_REG, 0xffffffff, 0x00060005, 191 mmCGTS_CU3_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008, 192 mmCGTS_CU4_SP0_CTRL_REG, 0xffffffff, 0x00010000, 193 mmCGTS_CU4_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002, 194 mmCGTS_CU4_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007, 195 mmCGTS_CU4_SP1_CTRL_REG, 0xffffffff, 0x00060005, 196 mmCGTS_CU4_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008, 197 mmCGTS_CU5_SP0_CTRL_REG, 0xffffffff, 0x00010000, 198 mmCGTS_CU5_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002, 199 mmCGTS_CU5_TA_CTRL_REG, 0xffffffff, 0x00040007, 200 mmCGTS_CU5_SP1_CTRL_REG, 0xffffffff, 0x00060005, 201 mmCGTS_CU5_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008, 202 mmCGTS_CU6_SP0_CTRL_REG, 0xffffffff, 0x00010000, 203 mmCGTS_CU6_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002, 204 mmCGTS_CU6_TA_CTRL_REG, 0xffffffff, 0x00040007, 205 mmCGTS_CU6_SP1_CTRL_REG, 0xffffffff, 0x00060005, 206 mmCGTS_CU6_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008, 207 mmCGTS_CU7_SP0_CTRL_REG, 0xffffffff, 0x00010000, 208 mmCGTS_CU7_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002, 209 mmCGTS_CU7_TA_CTRL_REG, 0xffffffff, 0x00040007, 210 mmCGTS_CU7_SP1_CTRL_REG, 0xffffffff, 0x00060005, 211 mmCGTS_CU7_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008, 212 mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96e00200, 213 mmCP_RB_WPTR_POLL_CNTL, 0xffffffff, 0x00900100, 214 mmRLC_CGCG_CGLS_CTRL, 0xffffffff, 0x0020003c, 215 mmPCIE_INDEX, 0xffffffff, 0x0140001c, 216 mmPCIE_DATA, 0x000f0000, 0x00000000, 217 mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C, 218 mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100, 219 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 220 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 221 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104, 222 mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100, 223 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104, 224 mmCP_MEM_SLP_CNTL, 0x00000001, 0x00000001, 225 mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100, 226 mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100, 227 }; 228 229 static const u32 xgpu_tonga_golden_settings_a11[] = { 230 mmCB_HW_CONTROL, 0xfffdf3cf, 0x00007208, 231 mmCB_HW_CONTROL_3, 0x00000040, 0x00000040, 232 mmDB_DEBUG2, 0xf00fffff, 0x00000400, 233 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 234 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 235 mmFBC_MISC, 0x1f311fff, 0x12300000, 236 mmGB_GPU_ID, 0x0000000f, 0x00000000, 237 mmHDMI_CONTROL, 0x31000111, 0x00000011, 238 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, 239 mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028, 240 mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991, 241 mmPA_SC_ENHANCE, 0xffffffff, 0x20000001, 242 mmPA_SC_FIFO_DEPTH_CNTL, 0x000003ff, 0x000000fc, 243 mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000, 244 mmRLC_CGCG_CGLS_CTRL, 0x00000003, 0x0000003c, 245 mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, 246 mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000, 247 mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100, 248 mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100, 249 mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100, 250 mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, 251 mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000, 252 mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100, 253 mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100, 254 mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100, 255 mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd, 256 mmTA_CNTL_AUX, 0x000f000f, 0x000b0000, 257 mmTCC_CTRL, 0x00100000, 0xf31fff7f, 258 mmTCC_EXE_DISABLE, 0x00000002, 0x00000002, 259 mmTCP_ADDR_CONFIG, 0x000003ff, 0x000002fb, 260 mmTCP_CHAN_STEER_HI, 0xffffffff, 0x0000543b, 261 mmTCP_CHAN_STEER_LO, 0xffffffff, 0xa9210876, 262 mmVGT_RESET_DEBUG, 0x00000004, 0x00000004, 263 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 264 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 265 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 266 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, 267 }; 268 269 static const u32 xgpu_tonga_golden_common_all[] = { 270 mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000, 271 mmPA_SC_RASTER_CONFIG, 0xffffffff, 0x16000012, 272 mmPA_SC_RASTER_CONFIG_1, 0xffffffff, 0x0000002A, 273 mmGB_ADDR_CONFIG, 0xffffffff, 0x22011002, 274 mmSPI_RESOURCE_RESERVE_CU_0, 0xffffffff, 0x00000800, 275 mmSPI_RESOURCE_RESERVE_CU_1, 0xffffffff, 0x00000800, 276 mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF, 277 }; 278 279 void xgpu_vi_init_golden_registers(struct amdgpu_device *adev) 280 { 281 switch (adev->asic_type) { 282 case CHIP_FIJI: 283 amdgpu_device_program_register_sequence(adev, 284 xgpu_fiji_mgcg_cgcg_init, 285 ARRAY_SIZE( 286 xgpu_fiji_mgcg_cgcg_init)); 287 amdgpu_device_program_register_sequence(adev, 288 xgpu_fiji_golden_settings_a10, 289 ARRAY_SIZE( 290 xgpu_fiji_golden_settings_a10)); 291 amdgpu_device_program_register_sequence(adev, 292 xgpu_fiji_golden_common_all, 293 ARRAY_SIZE( 294 xgpu_fiji_golden_common_all)); 295 break; 296 case CHIP_TONGA: 297 amdgpu_device_program_register_sequence(adev, 298 xgpu_tonga_mgcg_cgcg_init, 299 ARRAY_SIZE( 300 xgpu_tonga_mgcg_cgcg_init)); 301 amdgpu_device_program_register_sequence(adev, 302 xgpu_tonga_golden_settings_a11, 303 ARRAY_SIZE( 304 xgpu_tonga_golden_settings_a11)); 305 amdgpu_device_program_register_sequence(adev, 306 xgpu_tonga_golden_common_all, 307 ARRAY_SIZE( 308 xgpu_tonga_golden_common_all)); 309 break; 310 default: 311 BUG_ON("Doesn't support chip type.\n"); 312 break; 313 } 314 } 315 316 /* 317 * Mailbox communication between GPU hypervisor and VFs 318 */ 319 static void xgpu_vi_mailbox_send_ack(struct amdgpu_device *adev) 320 { 321 u32 reg; 322 int timeout = VI_MAILBOX_TIMEDOUT; 323 u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, RCV_MSG_VALID); 324 325 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL); 326 reg = REG_SET_FIELD(reg, MAILBOX_CONTROL, RCV_MSG_ACK, 1); 327 WREG32_NO_KIQ(mmMAILBOX_CONTROL, reg); 328 329 /*Wait for RCV_MSG_VALID to be 0*/ 330 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL); 331 while (reg & mask) { 332 if (timeout <= 0) { 333 pr_err("RCV_MSG_VALID is not cleared\n"); 334 break; 335 } 336 mdelay(1); 337 timeout -=1; 338 339 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL); 340 } 341 } 342 343 static void xgpu_vi_mailbox_set_valid(struct amdgpu_device *adev, bool val) 344 { 345 u32 reg; 346 347 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL); 348 reg = REG_SET_FIELD(reg, MAILBOX_CONTROL, 349 TRN_MSG_VALID, val ? 1 : 0); 350 WREG32_NO_KIQ(mmMAILBOX_CONTROL, reg); 351 } 352 353 static void xgpu_vi_mailbox_trans_msg(struct amdgpu_device *adev, 354 enum idh_request req) 355 { 356 u32 reg; 357 358 reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0); 359 reg = REG_SET_FIELD(reg, MAILBOX_MSGBUF_TRN_DW0, 360 MSGBUF_DATA, req); 361 WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0, reg); 362 363 xgpu_vi_mailbox_set_valid(adev, true); 364 } 365 366 static int xgpu_vi_mailbox_rcv_msg(struct amdgpu_device *adev, 367 enum idh_event event) 368 { 369 u32 reg; 370 u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, RCV_MSG_VALID); 371 372 /* workaround: host driver doesn't set VALID for CMPL now */ 373 if (event != IDH_FLR_NOTIFICATION_CMPL) { 374 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL); 375 if (!(reg & mask)) 376 return -ENOENT; 377 } 378 379 reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0); 380 if (reg != event) 381 return -ENOENT; 382 383 /* send ack to PF */ 384 xgpu_vi_mailbox_send_ack(adev); 385 386 return 0; 387 } 388 389 static int xgpu_vi_poll_ack(struct amdgpu_device *adev) 390 { 391 int r = 0, timeout = VI_MAILBOX_TIMEDOUT; 392 u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, TRN_MSG_ACK); 393 u32 reg; 394 395 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL); 396 while (!(reg & mask)) { 397 if (timeout <= 0) { 398 pr_err("Doesn't get ack from pf.\n"); 399 r = -ETIME; 400 break; 401 } 402 mdelay(5); 403 timeout -= 5; 404 405 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL); 406 } 407 408 return r; 409 } 410 411 static int xgpu_vi_poll_msg(struct amdgpu_device *adev, enum idh_event event) 412 { 413 int r = 0, timeout = VI_MAILBOX_TIMEDOUT; 414 415 r = xgpu_vi_mailbox_rcv_msg(adev, event); 416 while (r) { 417 if (timeout <= 0) { 418 pr_err("Doesn't get ack from pf.\n"); 419 r = -ETIME; 420 break; 421 } 422 mdelay(5); 423 timeout -= 5; 424 425 r = xgpu_vi_mailbox_rcv_msg(adev, event); 426 } 427 428 return r; 429 } 430 431 static int xgpu_vi_send_access_requests(struct amdgpu_device *adev, 432 enum idh_request request) 433 { 434 int r; 435 436 xgpu_vi_mailbox_trans_msg(adev, request); 437 438 /* start to poll ack */ 439 r = xgpu_vi_poll_ack(adev); 440 if (r) 441 return r; 442 443 xgpu_vi_mailbox_set_valid(adev, false); 444 445 /* start to check msg if request is idh_req_gpu_init_access */ 446 if (request == IDH_REQ_GPU_INIT_ACCESS || 447 request == IDH_REQ_GPU_FINI_ACCESS || 448 request == IDH_REQ_GPU_RESET_ACCESS) { 449 r = xgpu_vi_poll_msg(adev, IDH_READY_TO_ACCESS_GPU); 450 if (r) { 451 pr_err("Doesn't get ack from pf, give up\n"); 452 return r; 453 } 454 } 455 456 return 0; 457 } 458 459 static int xgpu_vi_request_reset(struct amdgpu_device *adev) 460 { 461 return xgpu_vi_send_access_requests(adev, IDH_REQ_GPU_RESET_ACCESS); 462 } 463 464 static int xgpu_vi_wait_reset_cmpl(struct amdgpu_device *adev) 465 { 466 return xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL); 467 } 468 469 static int xgpu_vi_request_full_gpu_access(struct amdgpu_device *adev, 470 bool init) 471 { 472 enum idh_request req; 473 474 req = init ? IDH_REQ_GPU_INIT_ACCESS : IDH_REQ_GPU_FINI_ACCESS; 475 return xgpu_vi_send_access_requests(adev, req); 476 } 477 478 static int xgpu_vi_release_full_gpu_access(struct amdgpu_device *adev, 479 bool init) 480 { 481 enum idh_request req; 482 int r = 0; 483 484 req = init ? IDH_REL_GPU_INIT_ACCESS : IDH_REL_GPU_FINI_ACCESS; 485 r = xgpu_vi_send_access_requests(adev, req); 486 487 return r; 488 } 489 490 /* add support mailbox interrupts */ 491 static int xgpu_vi_mailbox_ack_irq(struct amdgpu_device *adev, 492 struct amdgpu_irq_src *source, 493 struct amdgpu_iv_entry *entry) 494 { 495 DRM_DEBUG("get ack intr and do nothing.\n"); 496 return 0; 497 } 498 499 static int xgpu_vi_set_mailbox_ack_irq(struct amdgpu_device *adev, 500 struct amdgpu_irq_src *src, 501 unsigned type, 502 enum amdgpu_interrupt_state state) 503 { 504 u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL); 505 506 tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, ACK_INT_EN, 507 (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0); 508 WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp); 509 510 return 0; 511 } 512 513 static void xgpu_vi_mailbox_flr_work(struct work_struct *work) 514 { 515 struct amdgpu_virt *virt = container_of(work, struct amdgpu_virt, flr_work); 516 struct amdgpu_device *adev = container_of(virt, struct amdgpu_device, virt); 517 518 /* wait until RCV_MSG become 3 */ 519 if (xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL)) { 520 pr_err("failed to receive FLR_CMPL\n"); 521 return; 522 } 523 524 /* Trigger recovery due to world switch failure */ 525 if (amdgpu_device_should_recover_gpu(adev)) 526 amdgpu_device_gpu_recover_imp(adev, NULL); 527 } 528 529 static int xgpu_vi_set_mailbox_rcv_irq(struct amdgpu_device *adev, 530 struct amdgpu_irq_src *src, 531 unsigned type, 532 enum amdgpu_interrupt_state state) 533 { 534 u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL); 535 536 tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, VALID_INT_EN, 537 (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0); 538 WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp); 539 540 return 0; 541 } 542 543 static int xgpu_vi_mailbox_rcv_irq(struct amdgpu_device *adev, 544 struct amdgpu_irq_src *source, 545 struct amdgpu_iv_entry *entry) 546 { 547 int r; 548 549 /* trigger gpu-reset by hypervisor only if TDR disabled */ 550 if (!amdgpu_gpu_recovery) { 551 /* see what event we get */ 552 r = xgpu_vi_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION); 553 554 /* only handle FLR_NOTIFY now */ 555 if (!r && !amdgpu_in_reset(adev)) 556 WARN_ONCE(!amdgpu_reset_domain_schedule(adev->reset_domain, 557 &adev->virt.flr_work), 558 "Failed to queue work! at %s", 559 __func__); 560 } 561 562 return 0; 563 } 564 565 static const struct amdgpu_irq_src_funcs xgpu_vi_mailbox_ack_irq_funcs = { 566 .set = xgpu_vi_set_mailbox_ack_irq, 567 .process = xgpu_vi_mailbox_ack_irq, 568 }; 569 570 static const struct amdgpu_irq_src_funcs xgpu_vi_mailbox_rcv_irq_funcs = { 571 .set = xgpu_vi_set_mailbox_rcv_irq, 572 .process = xgpu_vi_mailbox_rcv_irq, 573 }; 574 575 void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev) 576 { 577 adev->virt.ack_irq.num_types = 1; 578 adev->virt.ack_irq.funcs = &xgpu_vi_mailbox_ack_irq_funcs; 579 adev->virt.rcv_irq.num_types = 1; 580 adev->virt.rcv_irq.funcs = &xgpu_vi_mailbox_rcv_irq_funcs; 581 } 582 583 int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev) 584 { 585 int r; 586 587 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 135, &adev->virt.rcv_irq); 588 if (r) 589 return r; 590 591 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 138, &adev->virt.ack_irq); 592 if (r) { 593 amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0); 594 return r; 595 } 596 597 return 0; 598 } 599 600 int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev) 601 { 602 int r; 603 604 r = amdgpu_irq_get(adev, &adev->virt.rcv_irq, 0); 605 if (r) 606 return r; 607 r = amdgpu_irq_get(adev, &adev->virt.ack_irq, 0); 608 if (r) { 609 amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0); 610 return r; 611 } 612 613 INIT_WORK(&adev->virt.flr_work, xgpu_vi_mailbox_flr_work); 614 615 return 0; 616 } 617 618 void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev) 619 { 620 amdgpu_irq_put(adev, &adev->virt.ack_irq, 0); 621 amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0); 622 } 623 624 const struct amdgpu_virt_ops xgpu_vi_virt_ops = { 625 .req_full_gpu = xgpu_vi_request_full_gpu_access, 626 .rel_full_gpu = xgpu_vi_release_full_gpu_access, 627 .reset_gpu = xgpu_vi_request_reset, 628 .wait_reset = xgpu_vi_wait_reset_cmpl, 629 .trans_msg = NULL, /* Does not need to trans VF errors to host. */ 630 }; 631