1 /* 2 * Copyright 2011 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: Alex Deucher 23 * 24 * $FreeBSD: head/sys/dev/drm2/radeon/si.c 254885 2013-08-25 19:37:15Z dumbbell $ 25 */ 26 27 #include <drm/drmP.h> 28 #include "radeon.h" 29 #include "radeon_asic.h" 30 #include <uapi_drm/radeon_drm.h> 31 #include "sid.h" 32 #include "atom.h" 33 #include "si_blit_shaders.h" 34 35 #define SI_PFP_UCODE_SIZE 2144 36 #define SI_PM4_UCODE_SIZE 2144 37 #define SI_CE_UCODE_SIZE 2144 38 #define SI_RLC_UCODE_SIZE 2048 39 #define SI_MC_UCODE_SIZE 7769 40 41 /* get temperature in millidegrees */ 42 int si_get_temp(struct radeon_device *rdev) 43 { 44 u32 temp; 45 int actual_temp = 0; 46 47 temp = (RREG32(CG_MULT_THERMAL_STATUS) & CTF_TEMP_MASK) >> 48 CTF_TEMP_SHIFT; 49 50 if (temp & 0x200) 51 actual_temp = 255; 52 else 53 actual_temp = temp & 0x1ff; 54 55 actual_temp = (actual_temp * 1000); 56 57 return actual_temp; 58 } 59 60 #define TAHITI_IO_MC_REGS_SIZE 36 61 62 static const u32 tahiti_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = { 63 {0x0000006f, 0x03044000}, 64 {0x00000070, 0x0480c018}, 65 {0x00000071, 0x00000040}, 66 {0x00000072, 0x01000000}, 67 {0x00000074, 0x000000ff}, 68 {0x00000075, 0x00143400}, 69 {0x00000076, 0x08ec0800}, 70 {0x00000077, 0x040000cc}, 71 {0x00000079, 0x00000000}, 72 {0x0000007a, 0x21000409}, 73 {0x0000007c, 0x00000000}, 74 {0x0000007d, 0xe8000000}, 75 {0x0000007e, 0x044408a8}, 76 {0x0000007f, 0x00000003}, 77 {0x00000080, 0x00000000}, 78 {0x00000081, 0x01000000}, 79 {0x00000082, 0x02000000}, 80 {0x00000083, 0x00000000}, 81 {0x00000084, 0xe3f3e4f4}, 82 {0x00000085, 0x00052024}, 83 {0x00000087, 0x00000000}, 84 {0x00000088, 0x66036603}, 85 {0x00000089, 0x01000000}, 86 {0x0000008b, 0x1c0a0000}, 87 {0x0000008c, 0xff010000}, 88 {0x0000008e, 0xffffefff}, 89 {0x0000008f, 0xfff3efff}, 90 {0x00000090, 0xfff3efbf}, 91 {0x00000094, 0x00101101}, 92 {0x00000095, 0x00000fff}, 93 {0x00000096, 0x00116fff}, 94 {0x00000097, 0x60010000}, 95 {0x00000098, 0x10010000}, 96 {0x00000099, 0x00006000}, 97 {0x0000009a, 0x00001000}, 98 {0x0000009f, 0x00a77400} 99 }; 100 101 static const u32 pitcairn_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = { 102 {0x0000006f, 0x03044000}, 103 {0x00000070, 0x0480c018}, 104 {0x00000071, 0x00000040}, 105 {0x00000072, 0x01000000}, 106 {0x00000074, 0x000000ff}, 107 {0x00000075, 0x00143400}, 108 {0x00000076, 0x08ec0800}, 109 {0x00000077, 0x040000cc}, 110 {0x00000079, 0x00000000}, 111 {0x0000007a, 0x21000409}, 112 {0x0000007c, 0x00000000}, 113 {0x0000007d, 0xe8000000}, 114 {0x0000007e, 0x044408a8}, 115 {0x0000007f, 0x00000003}, 116 {0x00000080, 0x00000000}, 117 {0x00000081, 0x01000000}, 118 {0x00000082, 0x02000000}, 119 {0x00000083, 0x00000000}, 120 {0x00000084, 0xe3f3e4f4}, 121 {0x00000085, 0x00052024}, 122 {0x00000087, 0x00000000}, 123 {0x00000088, 0x66036603}, 124 {0x00000089, 0x01000000}, 125 {0x0000008b, 0x1c0a0000}, 126 {0x0000008c, 0xff010000}, 127 {0x0000008e, 0xffffefff}, 128 {0x0000008f, 0xfff3efff}, 129 {0x00000090, 0xfff3efbf}, 130 {0x00000094, 0x00101101}, 131 {0x00000095, 0x00000fff}, 132 {0x00000096, 0x00116fff}, 133 {0x00000097, 0x60010000}, 134 {0x00000098, 0x10010000}, 135 {0x00000099, 0x00006000}, 136 {0x0000009a, 0x00001000}, 137 {0x0000009f, 0x00a47400} 138 }; 139 140 static const u32 verde_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = { 141 {0x0000006f, 0x03044000}, 142 {0x00000070, 0x0480c018}, 143 {0x00000071, 0x00000040}, 144 {0x00000072, 0x01000000}, 145 {0x00000074, 0x000000ff}, 146 {0x00000075, 0x00143400}, 147 {0x00000076, 0x08ec0800}, 148 {0x00000077, 0x040000cc}, 149 {0x00000079, 0x00000000}, 150 {0x0000007a, 0x21000409}, 151 {0x0000007c, 0x00000000}, 152 {0x0000007d, 0xe8000000}, 153 {0x0000007e, 0x044408a8}, 154 {0x0000007f, 0x00000003}, 155 {0x00000080, 0x00000000}, 156 {0x00000081, 0x01000000}, 157 {0x00000082, 0x02000000}, 158 {0x00000083, 0x00000000}, 159 {0x00000084, 0xe3f3e4f4}, 160 {0x00000085, 0x00052024}, 161 {0x00000087, 0x00000000}, 162 {0x00000088, 0x66036603}, 163 {0x00000089, 0x01000000}, 164 {0x0000008b, 0x1c0a0000}, 165 {0x0000008c, 0xff010000}, 166 {0x0000008e, 0xffffefff}, 167 {0x0000008f, 0xfff3efff}, 168 {0x00000090, 0xfff3efbf}, 169 {0x00000094, 0x00101101}, 170 {0x00000095, 0x00000fff}, 171 {0x00000096, 0x00116fff}, 172 {0x00000097, 0x60010000}, 173 {0x00000098, 0x10010000}, 174 {0x00000099, 0x00006000}, 175 {0x0000009a, 0x00001000}, 176 {0x0000009f, 0x00a37400} 177 }; 178 179 /* ucode loading */ 180 static int si_mc_load_microcode(struct radeon_device *rdev) 181 { 182 const __be32 *fw_data; 183 u32 running, blackout = 0; 184 u32 *io_mc_regs; 185 int i, ucode_size, regs_size; 186 187 if (!rdev->mc_fw) 188 return -EINVAL; 189 190 switch (rdev->family) { 191 case CHIP_TAHITI: 192 io_mc_regs = (u32 *)&tahiti_io_mc_regs; 193 ucode_size = SI_MC_UCODE_SIZE; 194 regs_size = TAHITI_IO_MC_REGS_SIZE; 195 break; 196 case CHIP_PITCAIRN: 197 io_mc_regs = (u32 *)&pitcairn_io_mc_regs; 198 ucode_size = SI_MC_UCODE_SIZE; 199 regs_size = TAHITI_IO_MC_REGS_SIZE; 200 break; 201 case CHIP_VERDE: 202 default: 203 io_mc_regs = (u32 *)&verde_io_mc_regs; 204 ucode_size = SI_MC_UCODE_SIZE; 205 regs_size = TAHITI_IO_MC_REGS_SIZE; 206 break; 207 } 208 209 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK; 210 211 if (running == 0) { 212 if (running) { 213 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); 214 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1); 215 } 216 217 /* reset the engine and set to writable */ 218 WREG32(MC_SEQ_SUP_CNTL, 0x00000008); 219 WREG32(MC_SEQ_SUP_CNTL, 0x00000010); 220 221 /* load mc io regs */ 222 for (i = 0; i < regs_size; i++) { 223 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]); 224 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]); 225 } 226 /* load the MC ucode */ 227 fw_data = (const __be32 *)rdev->mc_fw->data; 228 for (i = 0; i < ucode_size; i++) 229 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++)); 230 231 /* put the engine back into the active state */ 232 WREG32(MC_SEQ_SUP_CNTL, 0x00000008); 233 WREG32(MC_SEQ_SUP_CNTL, 0x00000004); 234 WREG32(MC_SEQ_SUP_CNTL, 0x00000001); 235 236 /* wait for training to complete */ 237 for (i = 0; i < rdev->usec_timeout; i++) { 238 if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D0) 239 break; 240 DRM_UDELAY(1); 241 } 242 for (i = 0; i < rdev->usec_timeout; i++) { 243 if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D1) 244 break; 245 DRM_UDELAY(1); 246 } 247 248 if (running) 249 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout); 250 } 251 252 return 0; 253 } 254 255 static int si_init_microcode(struct radeon_device *rdev) 256 { 257 const char *chip_name; 258 const char *rlc_chip_name; 259 size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size; 260 char fw_name[30]; 261 int err; 262 263 DRM_DEBUG("\n"); 264 265 switch (rdev->family) { 266 case CHIP_TAHITI: 267 chip_name = "TAHITI"; 268 rlc_chip_name = "TAHITI"; 269 pfp_req_size = SI_PFP_UCODE_SIZE * 4; 270 me_req_size = SI_PM4_UCODE_SIZE * 4; 271 ce_req_size = SI_CE_UCODE_SIZE * 4; 272 rlc_req_size = SI_RLC_UCODE_SIZE * 4; 273 mc_req_size = SI_MC_UCODE_SIZE * 4; 274 break; 275 case CHIP_PITCAIRN: 276 chip_name = "PITCAIRN"; 277 rlc_chip_name = "PITCAIRN"; 278 pfp_req_size = SI_PFP_UCODE_SIZE * 4; 279 me_req_size = SI_PM4_UCODE_SIZE * 4; 280 ce_req_size = SI_CE_UCODE_SIZE * 4; 281 rlc_req_size = SI_RLC_UCODE_SIZE * 4; 282 mc_req_size = SI_MC_UCODE_SIZE * 4; 283 break; 284 case CHIP_VERDE: 285 chip_name = "VERDE"; 286 rlc_chip_name = "VERDE"; 287 pfp_req_size = SI_PFP_UCODE_SIZE * 4; 288 me_req_size = SI_PM4_UCODE_SIZE * 4; 289 ce_req_size = SI_CE_UCODE_SIZE * 4; 290 rlc_req_size = SI_RLC_UCODE_SIZE * 4; 291 mc_req_size = SI_MC_UCODE_SIZE * 4; 292 break; 293 default: panic("%s: Unsupported family %d", __func__, rdev->family); 294 } 295 296 DRM_INFO("Loading %s Microcode\n", chip_name); 297 err = 0; 298 299 ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_pfp", chip_name); 300 rdev->pfp_fw = firmware_get(fw_name); 301 if (rdev->pfp_fw == NULL) { 302 err = -ENOENT; 303 goto out; 304 } 305 if (rdev->pfp_fw->datasize != pfp_req_size) { 306 DRM_ERROR( 307 "si_cp: Bogus length %zu in firmware \"%s\"\n", 308 rdev->pfp_fw->datasize, fw_name); 309 err = -EINVAL; 310 goto out; 311 } 312 313 ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_me", chip_name); 314 rdev->me_fw = firmware_get(fw_name); 315 if (rdev->me_fw == NULL) { 316 err = -ENOENT; 317 goto out; 318 } 319 if (rdev->me_fw->datasize != me_req_size) { 320 DRM_ERROR( 321 "si_cp: Bogus length %zu in firmware \"%s\"\n", 322 rdev->me_fw->datasize, fw_name); 323 err = -EINVAL; 324 } 325 326 ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_ce", chip_name); 327 rdev->ce_fw = firmware_get(fw_name); 328 if (rdev->ce_fw == NULL) { 329 err = -ENOENT; 330 goto out; 331 } 332 if (rdev->ce_fw->datasize != ce_req_size) { 333 DRM_ERROR( 334 "si_cp: Bogus length %zu in firmware \"%s\"\n", 335 rdev->ce_fw->datasize, fw_name); 336 err = -EINVAL; 337 } 338 339 ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_rlc", 340 rlc_chip_name); 341 rdev->rlc_fw = firmware_get(fw_name); 342 if (rdev->rlc_fw == NULL) { 343 err = -ENOENT; 344 goto out; 345 } 346 if (rdev->rlc_fw->datasize != rlc_req_size) { 347 DRM_ERROR( 348 "si_rlc: Bogus length %zu in firmware \"%s\"\n", 349 rdev->rlc_fw->datasize, fw_name); 350 err = -EINVAL; 351 } 352 353 ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_mc", chip_name); 354 rdev->mc_fw = firmware_get(fw_name); 355 if (rdev->mc_fw == NULL) { 356 err = -ENOENT; 357 goto out; 358 } 359 if (rdev->mc_fw->datasize != mc_req_size) { 360 DRM_ERROR( 361 "si_mc: Bogus length %zu in firmware \"%s\"\n", 362 rdev->mc_fw->datasize, fw_name); 363 err = -EINVAL; 364 } 365 366 out: 367 if (err) { 368 if (err != -EINVAL) 369 DRM_ERROR( 370 "si_cp: Failed to load firmware \"%s\"\n", 371 fw_name); 372 if (rdev->pfp_fw != NULL) { 373 firmware_put(rdev->pfp_fw, FIRMWARE_UNLOAD); 374 rdev->pfp_fw = NULL; 375 } 376 if (rdev->me_fw != NULL) { 377 firmware_put(rdev->me_fw, FIRMWARE_UNLOAD); 378 rdev->me_fw = NULL; 379 } 380 if (rdev->ce_fw != NULL) { 381 firmware_put(rdev->ce_fw, FIRMWARE_UNLOAD); 382 rdev->ce_fw = NULL; 383 } 384 if (rdev->rlc_fw != NULL) { 385 firmware_put(rdev->rlc_fw, FIRMWARE_UNLOAD); 386 rdev->rlc_fw = NULL; 387 } 388 if (rdev->mc_fw != NULL) { 389 firmware_put(rdev->mc_fw, FIRMWARE_UNLOAD); 390 rdev->mc_fw = NULL; 391 } 392 } 393 return err; 394 } 395 396 /** 397 * si_fini_microcode - drop the firmwares image references 398 * 399 * @rdev: radeon_device pointer 400 * 401 * Drop the pfp, me, rlc, mc and ce firmware image references. 402 * Called at driver shutdown. 403 */ 404 static void si_fini_microcode(struct radeon_device *rdev) 405 { 406 407 if (rdev->pfp_fw != NULL) { 408 firmware_put(rdev->pfp_fw, FIRMWARE_UNLOAD); 409 rdev->pfp_fw = NULL; 410 } 411 412 if (rdev->me_fw != NULL) { 413 firmware_put(rdev->me_fw, FIRMWARE_UNLOAD); 414 rdev->me_fw = NULL; 415 } 416 417 if (rdev->rlc_fw != NULL) { 418 firmware_put(rdev->rlc_fw, FIRMWARE_UNLOAD); 419 rdev->rlc_fw = NULL; 420 } 421 422 if (rdev->mc_fw != NULL) { 423 firmware_put(rdev->mc_fw, FIRMWARE_UNLOAD); 424 rdev->mc_fw = NULL; 425 } 426 427 if (rdev->ce_fw != NULL) { 428 firmware_put(rdev->ce_fw, FIRMWARE_UNLOAD); 429 rdev->ce_fw = NULL; 430 } 431 } 432 433 /* watermark setup */ 434 static u32 dce6_line_buffer_adjust(struct radeon_device *rdev, 435 struct radeon_crtc *radeon_crtc, 436 struct drm_display_mode *mode, 437 struct drm_display_mode *other_mode) 438 { 439 u32 tmp; 440 /* 441 * Line Buffer Setup 442 * There are 3 line buffers, each one shared by 2 display controllers. 443 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between 444 * the display controllers. The paritioning is done via one of four 445 * preset allocations specified in bits 21:20: 446 * 0 - half lb 447 * 2 - whole lb, other crtc must be disabled 448 */ 449 /* this can get tricky if we have two large displays on a paired group 450 * of crtcs. Ideally for multiple large displays we'd assign them to 451 * non-linked crtcs for maximum line buffer allocation. 452 */ 453 if (radeon_crtc->base.enabled && mode) { 454 if (other_mode) 455 tmp = 0; /* 1/2 */ 456 else 457 tmp = 2; /* whole */ 458 } else 459 tmp = 0; 460 461 WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, 462 DC_LB_MEMORY_CONFIG(tmp)); 463 464 if (radeon_crtc->base.enabled && mode) { 465 switch (tmp) { 466 case 0: 467 default: 468 return 4096 * 2; 469 case 2: 470 return 8192 * 2; 471 } 472 } 473 474 /* controller not enabled, so no lb used */ 475 return 0; 476 } 477 478 static u32 si_get_number_of_dram_channels(struct radeon_device *rdev) 479 { 480 u32 tmp = RREG32(MC_SHARED_CHMAP); 481 482 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 483 case 0: 484 default: 485 return 1; 486 case 1: 487 return 2; 488 case 2: 489 return 4; 490 case 3: 491 return 8; 492 case 4: 493 return 3; 494 case 5: 495 return 6; 496 case 6: 497 return 10; 498 case 7: 499 return 12; 500 case 8: 501 return 16; 502 } 503 } 504 505 struct dce6_wm_params { 506 u32 dram_channels; /* number of dram channels */ 507 u32 yclk; /* bandwidth per dram data pin in kHz */ 508 u32 sclk; /* engine clock in kHz */ 509 u32 disp_clk; /* display clock in kHz */ 510 u32 src_width; /* viewport width */ 511 u32 active_time; /* active display time in ns */ 512 u32 blank_time; /* blank time in ns */ 513 bool interlaced; /* mode is interlaced */ 514 fixed20_12 vsc; /* vertical scale ratio */ 515 u32 num_heads; /* number of active crtcs */ 516 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 517 u32 lb_size; /* line buffer allocated to pipe */ 518 u32 vtaps; /* vertical scaler taps */ 519 }; 520 521 static u32 dce6_dram_bandwidth(struct dce6_wm_params *wm) 522 { 523 /* Calculate raw DRAM Bandwidth */ 524 fixed20_12 dram_efficiency; /* 0.7 */ 525 fixed20_12 yclk, dram_channels, bandwidth; 526 fixed20_12 a; 527 528 a.full = dfixed_const(1000); 529 yclk.full = dfixed_const(wm->yclk); 530 yclk.full = dfixed_div(yclk, a); 531 dram_channels.full = dfixed_const(wm->dram_channels * 4); 532 a.full = dfixed_const(10); 533 dram_efficiency.full = dfixed_const(7); 534 dram_efficiency.full = dfixed_div(dram_efficiency, a); 535 bandwidth.full = dfixed_mul(dram_channels, yclk); 536 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 537 538 return dfixed_trunc(bandwidth); 539 } 540 541 static u32 dce6_dram_bandwidth_for_display(struct dce6_wm_params *wm) 542 { 543 /* Calculate DRAM Bandwidth and the part allocated to display. */ 544 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 545 fixed20_12 yclk, dram_channels, bandwidth; 546 fixed20_12 a; 547 548 a.full = dfixed_const(1000); 549 yclk.full = dfixed_const(wm->yclk); 550 yclk.full = dfixed_div(yclk, a); 551 dram_channels.full = dfixed_const(wm->dram_channels * 4); 552 a.full = dfixed_const(10); 553 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 554 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 555 bandwidth.full = dfixed_mul(dram_channels, yclk); 556 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 557 558 return dfixed_trunc(bandwidth); 559 } 560 561 static u32 dce6_data_return_bandwidth(struct dce6_wm_params *wm) 562 { 563 /* Calculate the display Data return Bandwidth */ 564 fixed20_12 return_efficiency; /* 0.8 */ 565 fixed20_12 sclk, bandwidth; 566 fixed20_12 a; 567 568 a.full = dfixed_const(1000); 569 sclk.full = dfixed_const(wm->sclk); 570 sclk.full = dfixed_div(sclk, a); 571 a.full = dfixed_const(10); 572 return_efficiency.full = dfixed_const(8); 573 return_efficiency.full = dfixed_div(return_efficiency, a); 574 a.full = dfixed_const(32); 575 bandwidth.full = dfixed_mul(a, sclk); 576 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 577 578 return dfixed_trunc(bandwidth); 579 } 580 581 static u32 dce6_get_dmif_bytes_per_request(struct dce6_wm_params *wm) 582 { 583 return 32; 584 } 585 586 static u32 dce6_dmif_request_bandwidth(struct dce6_wm_params *wm) 587 { 588 /* Calculate the DMIF Request Bandwidth */ 589 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 590 fixed20_12 disp_clk, sclk, bandwidth; 591 fixed20_12 a, b1, b2; 592 u32 min_bandwidth; 593 594 a.full = dfixed_const(1000); 595 disp_clk.full = dfixed_const(wm->disp_clk); 596 disp_clk.full = dfixed_div(disp_clk, a); 597 a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm) / 2); 598 b1.full = dfixed_mul(a, disp_clk); 599 600 a.full = dfixed_const(1000); 601 sclk.full = dfixed_const(wm->sclk); 602 sclk.full = dfixed_div(sclk, a); 603 a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm)); 604 b2.full = dfixed_mul(a, sclk); 605 606 a.full = dfixed_const(10); 607 disp_clk_request_efficiency.full = dfixed_const(8); 608 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 609 610 min_bandwidth = min(dfixed_trunc(b1), dfixed_trunc(b2)); 611 612 a.full = dfixed_const(min_bandwidth); 613 bandwidth.full = dfixed_mul(a, disp_clk_request_efficiency); 614 615 return dfixed_trunc(bandwidth); 616 } 617 618 static u32 dce6_available_bandwidth(struct dce6_wm_params *wm) 619 { 620 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 621 u32 dram_bandwidth = dce6_dram_bandwidth(wm); 622 u32 data_return_bandwidth = dce6_data_return_bandwidth(wm); 623 u32 dmif_req_bandwidth = dce6_dmif_request_bandwidth(wm); 624 625 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 626 } 627 628 static u32 dce6_average_bandwidth(struct dce6_wm_params *wm) 629 { 630 /* Calculate the display mode Average Bandwidth 631 * DisplayMode should contain the source and destination dimensions, 632 * timing, etc. 633 */ 634 fixed20_12 bpp; 635 fixed20_12 line_time; 636 fixed20_12 src_width; 637 fixed20_12 bandwidth; 638 fixed20_12 a; 639 640 a.full = dfixed_const(1000); 641 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 642 line_time.full = dfixed_div(line_time, a); 643 bpp.full = dfixed_const(wm->bytes_per_pixel); 644 src_width.full = dfixed_const(wm->src_width); 645 bandwidth.full = dfixed_mul(src_width, bpp); 646 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 647 bandwidth.full = dfixed_div(bandwidth, line_time); 648 649 return dfixed_trunc(bandwidth); 650 } 651 652 static u32 dce6_latency_watermark(struct dce6_wm_params *wm) 653 { 654 /* First calcualte the latency in ns */ 655 u32 mc_latency = 2000; /* 2000 ns. */ 656 u32 available_bandwidth = dce6_available_bandwidth(wm); 657 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 658 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 659 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 660 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 661 (wm->num_heads * cursor_line_pair_return_time); 662 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 663 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 664 u32 tmp, dmif_size = 12288; 665 fixed20_12 a, b, c; 666 667 if (wm->num_heads == 0) 668 return 0; 669 670 a.full = dfixed_const(2); 671 b.full = dfixed_const(1); 672 if ((wm->vsc.full > a.full) || 673 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 674 (wm->vtaps >= 5) || 675 ((wm->vsc.full >= a.full) && wm->interlaced)) 676 max_src_lines_per_dst_line = 4; 677 else 678 max_src_lines_per_dst_line = 2; 679 680 a.full = dfixed_const(available_bandwidth); 681 b.full = dfixed_const(wm->num_heads); 682 a.full = dfixed_div(a, b); 683 684 b.full = dfixed_const(mc_latency + 512); 685 c.full = dfixed_const(wm->disp_clk); 686 b.full = dfixed_div(b, c); 687 688 c.full = dfixed_const(dmif_size); 689 b.full = dfixed_div(c, b); 690 691 tmp = min(dfixed_trunc(a), dfixed_trunc(b)); 692 693 b.full = dfixed_const(1000); 694 c.full = dfixed_const(wm->disp_clk); 695 b.full = dfixed_div(c, b); 696 c.full = dfixed_const(wm->bytes_per_pixel); 697 b.full = dfixed_mul(b, c); 698 699 lb_fill_bw = min(tmp, dfixed_trunc(b)); 700 701 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 702 b.full = dfixed_const(1000); 703 c.full = dfixed_const(lb_fill_bw); 704 b.full = dfixed_div(c, b); 705 a.full = dfixed_div(a, b); 706 line_fill_time = dfixed_trunc(a); 707 708 if (line_fill_time < wm->active_time) 709 return latency; 710 else 711 return latency + (line_fill_time - wm->active_time); 712 713 } 714 715 static bool dce6_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm) 716 { 717 if (dce6_average_bandwidth(wm) <= 718 (dce6_dram_bandwidth_for_display(wm) / wm->num_heads)) 719 return true; 720 else 721 return false; 722 }; 723 724 static bool dce6_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm) 725 { 726 if (dce6_average_bandwidth(wm) <= 727 (dce6_available_bandwidth(wm) / wm->num_heads)) 728 return true; 729 else 730 return false; 731 }; 732 733 static bool dce6_check_latency_hiding(struct dce6_wm_params *wm) 734 { 735 u32 lb_partitions = wm->lb_size / wm->src_width; 736 u32 line_time = wm->active_time + wm->blank_time; 737 u32 latency_tolerant_lines; 738 u32 latency_hiding; 739 fixed20_12 a; 740 741 a.full = dfixed_const(1); 742 if (wm->vsc.full > a.full) 743 latency_tolerant_lines = 1; 744 else { 745 if (lb_partitions <= (wm->vtaps + 1)) 746 latency_tolerant_lines = 1; 747 else 748 latency_tolerant_lines = 2; 749 } 750 751 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 752 753 if (dce6_latency_watermark(wm) <= latency_hiding) 754 return true; 755 else 756 return false; 757 } 758 759 static void dce6_program_watermarks(struct radeon_device *rdev, 760 struct radeon_crtc *radeon_crtc, 761 u32 lb_size, u32 num_heads) 762 { 763 struct drm_display_mode *mode = &radeon_crtc->base.mode; 764 struct dce6_wm_params wm; 765 u32 pixel_period; 766 u32 line_time = 0; 767 u32 latency_watermark_a = 0, latency_watermark_b = 0; 768 u32 priority_a_mark = 0, priority_b_mark = 0; 769 u32 priority_a_cnt = PRIORITY_OFF; 770 u32 priority_b_cnt = PRIORITY_OFF; 771 u32 tmp, arb_control3; 772 fixed20_12 a, b, c; 773 774 if (radeon_crtc->base.enabled && num_heads && mode) { 775 pixel_period = 1000000 / (u32)mode->clock; 776 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535); 777 priority_a_cnt = 0; 778 priority_b_cnt = 0; 779 780 wm.yclk = rdev->pm.current_mclk * 10; 781 wm.sclk = rdev->pm.current_sclk * 10; 782 wm.disp_clk = mode->clock; 783 wm.src_width = mode->crtc_hdisplay; 784 wm.active_time = mode->crtc_hdisplay * pixel_period; 785 wm.blank_time = line_time - wm.active_time; 786 wm.interlaced = false; 787 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 788 wm.interlaced = true; 789 wm.vsc = radeon_crtc->vsc; 790 wm.vtaps = 1; 791 if (radeon_crtc->rmx_type != RMX_OFF) 792 wm.vtaps = 2; 793 wm.bytes_per_pixel = 4; /* XXX: get this from fb config */ 794 wm.lb_size = lb_size; 795 if (rdev->family == CHIP_ARUBA) 796 wm.dram_channels = evergreen_get_number_of_dram_channels(rdev); 797 else 798 wm.dram_channels = si_get_number_of_dram_channels(rdev); 799 wm.num_heads = num_heads; 800 801 /* set for high clocks */ 802 latency_watermark_a = min(dce6_latency_watermark(&wm), (u32)65535); 803 /* set for low clocks */ 804 /* wm.yclk = low clk; wm.sclk = low clk */ 805 latency_watermark_b = min(dce6_latency_watermark(&wm), (u32)65535); 806 807 /* possibly force display priority to high */ 808 /* should really do this at mode validation time... */ 809 if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm) || 810 !dce6_average_bandwidth_vs_available_bandwidth(&wm) || 811 !dce6_check_latency_hiding(&wm) || 812 (rdev->disp_priority == 2)) { 813 DRM_DEBUG_KMS("force priority to high\n"); 814 priority_a_cnt |= PRIORITY_ALWAYS_ON; 815 priority_b_cnt |= PRIORITY_ALWAYS_ON; 816 } 817 818 a.full = dfixed_const(1000); 819 b.full = dfixed_const(mode->clock); 820 b.full = dfixed_div(b, a); 821 c.full = dfixed_const(latency_watermark_a); 822 c.full = dfixed_mul(c, b); 823 c.full = dfixed_mul(c, radeon_crtc->hsc); 824 c.full = dfixed_div(c, a); 825 a.full = dfixed_const(16); 826 c.full = dfixed_div(c, a); 827 priority_a_mark = dfixed_trunc(c); 828 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK; 829 830 a.full = dfixed_const(1000); 831 b.full = dfixed_const(mode->clock); 832 b.full = dfixed_div(b, a); 833 c.full = dfixed_const(latency_watermark_b); 834 c.full = dfixed_mul(c, b); 835 c.full = dfixed_mul(c, radeon_crtc->hsc); 836 c.full = dfixed_div(c, a); 837 a.full = dfixed_const(16); 838 c.full = dfixed_div(c, a); 839 priority_b_mark = dfixed_trunc(c); 840 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK; 841 } 842 843 /* select wm A */ 844 arb_control3 = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset); 845 tmp = arb_control3; 846 tmp &= ~LATENCY_WATERMARK_MASK(3); 847 tmp |= LATENCY_WATERMARK_MASK(1); 848 WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp); 849 WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset, 850 (LATENCY_LOW_WATERMARK(latency_watermark_a) | 851 LATENCY_HIGH_WATERMARK(line_time))); 852 /* select wm B */ 853 tmp = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset); 854 tmp &= ~LATENCY_WATERMARK_MASK(3); 855 tmp |= LATENCY_WATERMARK_MASK(2); 856 WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp); 857 WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset, 858 (LATENCY_LOW_WATERMARK(latency_watermark_b) | 859 LATENCY_HIGH_WATERMARK(line_time))); 860 /* restore original selection */ 861 WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, arb_control3); 862 863 /* write the priority marks */ 864 WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt); 865 WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt); 866 867 } 868 869 void dce6_bandwidth_update(struct radeon_device *rdev) 870 { 871 struct drm_display_mode *mode0 = NULL; 872 struct drm_display_mode *mode1 = NULL; 873 u32 num_heads = 0, lb_size; 874 int i; 875 876 radeon_update_display_priority(rdev); 877 878 for (i = 0; i < rdev->num_crtc; i++) { 879 if (rdev->mode_info.crtcs[i]->base.enabled) 880 num_heads++; 881 } 882 for (i = 0; i < rdev->num_crtc; i += 2) { 883 mode0 = &rdev->mode_info.crtcs[i]->base.mode; 884 mode1 = &rdev->mode_info.crtcs[i+1]->base.mode; 885 lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1); 886 dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads); 887 lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0); 888 dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads); 889 } 890 } 891 892 /* 893 * Core functions 894 */ 895 static void si_tiling_mode_table_init(struct radeon_device *rdev) 896 { 897 const u32 num_tile_mode_states = 32; 898 u32 reg_offset, gb_tile_moden, split_equal_to_row_size; 899 900 switch (rdev->config.si.mem_row_size_in_kb) { 901 case 1: 902 split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_1KB; 903 break; 904 case 2: 905 default: 906 split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_2KB; 907 break; 908 case 4: 909 split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_4KB; 910 break; 911 } 912 913 if ((rdev->family == CHIP_TAHITI) || 914 (rdev->family == CHIP_PITCAIRN)) { 915 for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) { 916 switch (reg_offset) { 917 case 0: /* non-AA compressed depth or any compressed stencil */ 918 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 919 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 920 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 921 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 922 NUM_BANKS(ADDR_SURF_16_BANK) | 923 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 924 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 925 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 926 break; 927 case 1: /* 2xAA/4xAA compressed depth only */ 928 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 929 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 930 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 931 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) | 932 NUM_BANKS(ADDR_SURF_16_BANK) | 933 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 934 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 935 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 936 break; 937 case 2: /* 8xAA compressed depth only */ 938 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 939 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 940 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 941 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 942 NUM_BANKS(ADDR_SURF_16_BANK) | 943 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 944 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 945 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 946 break; 947 case 3: /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */ 948 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 949 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 950 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 951 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) | 952 NUM_BANKS(ADDR_SURF_16_BANK) | 953 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 954 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 955 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 956 break; 957 case 4: /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */ 958 gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | 959 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 960 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 961 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 962 NUM_BANKS(ADDR_SURF_16_BANK) | 963 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 964 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 965 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 966 break; 967 case 5: /* Uncompressed 16bpp depth - and stencil buffer allocated with it */ 968 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 969 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 970 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 971 TILE_SPLIT(split_equal_to_row_size) | 972 NUM_BANKS(ADDR_SURF_16_BANK) | 973 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 974 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 975 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 976 break; 977 case 6: /* Uncompressed 32bpp depth - and stencil buffer allocated with it */ 978 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 979 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 980 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 981 TILE_SPLIT(split_equal_to_row_size) | 982 NUM_BANKS(ADDR_SURF_16_BANK) | 983 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 984 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 985 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1)); 986 break; 987 case 7: /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */ 988 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 989 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 990 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 991 TILE_SPLIT(split_equal_to_row_size) | 992 NUM_BANKS(ADDR_SURF_16_BANK) | 993 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 994 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 995 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 996 break; 997 case 8: /* 1D and 1D Array Surfaces */ 998 gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) | 999 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1000 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1001 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 1002 NUM_BANKS(ADDR_SURF_16_BANK) | 1003 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1004 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1005 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1006 break; 1007 case 9: /* Displayable maps. */ 1008 gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | 1009 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1010 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1011 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 1012 NUM_BANKS(ADDR_SURF_16_BANK) | 1013 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1014 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1015 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1016 break; 1017 case 10: /* Display 8bpp. */ 1018 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1019 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1020 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1021 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1022 NUM_BANKS(ADDR_SURF_16_BANK) | 1023 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1024 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1025 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1026 break; 1027 case 11: /* Display 16bpp. */ 1028 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1029 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1030 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1031 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1032 NUM_BANKS(ADDR_SURF_16_BANK) | 1033 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1034 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1035 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1036 break; 1037 case 12: /* Display 32bpp. */ 1038 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1039 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1040 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1041 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) | 1042 NUM_BANKS(ADDR_SURF_16_BANK) | 1043 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1044 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1045 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1)); 1046 break; 1047 case 13: /* Thin. */ 1048 gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | 1049 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1050 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1051 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 1052 NUM_BANKS(ADDR_SURF_16_BANK) | 1053 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1054 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1055 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1056 break; 1057 case 14: /* Thin 8 bpp. */ 1058 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1059 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1060 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1061 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1062 NUM_BANKS(ADDR_SURF_16_BANK) | 1063 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1064 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1065 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1)); 1066 break; 1067 case 15: /* Thin 16 bpp. */ 1068 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1069 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1070 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1071 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1072 NUM_BANKS(ADDR_SURF_16_BANK) | 1073 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1074 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1075 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1)); 1076 break; 1077 case 16: /* Thin 32 bpp. */ 1078 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1079 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1080 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1081 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) | 1082 NUM_BANKS(ADDR_SURF_16_BANK) | 1083 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1084 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1085 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1)); 1086 break; 1087 case 17: /* Thin 64 bpp. */ 1088 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1089 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1090 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1091 TILE_SPLIT(split_equal_to_row_size) | 1092 NUM_BANKS(ADDR_SURF_16_BANK) | 1093 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1094 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1095 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1)); 1096 break; 1097 case 21: /* 8 bpp PRT. */ 1098 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1099 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1100 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1101 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1102 NUM_BANKS(ADDR_SURF_16_BANK) | 1103 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) | 1104 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1105 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1106 break; 1107 case 22: /* 16 bpp PRT */ 1108 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1109 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1110 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1111 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1112 NUM_BANKS(ADDR_SURF_16_BANK) | 1113 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1114 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1115 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4)); 1116 break; 1117 case 23: /* 32 bpp PRT */ 1118 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1119 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1120 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1121 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1122 NUM_BANKS(ADDR_SURF_16_BANK) | 1123 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1124 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1125 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1126 break; 1127 case 24: /* 64 bpp PRT */ 1128 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1129 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1130 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1131 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) | 1132 NUM_BANKS(ADDR_SURF_16_BANK) | 1133 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1134 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1135 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1136 break; 1137 case 25: /* 128 bpp PRT */ 1138 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1139 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1140 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1141 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) | 1142 NUM_BANKS(ADDR_SURF_8_BANK) | 1143 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1144 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1145 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1)); 1146 break; 1147 default: 1148 gb_tile_moden = 0; 1149 break; 1150 } 1151 WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden); 1152 } 1153 } else if (rdev->family == CHIP_VERDE) { 1154 for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) { 1155 switch (reg_offset) { 1156 case 0: /* non-AA compressed depth or any compressed stencil */ 1157 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1158 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 1159 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1160 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 1161 NUM_BANKS(ADDR_SURF_16_BANK) | 1162 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1163 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1164 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4)); 1165 break; 1166 case 1: /* 2xAA/4xAA compressed depth only */ 1167 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1168 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 1169 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1170 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) | 1171 NUM_BANKS(ADDR_SURF_16_BANK) | 1172 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1173 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1174 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4)); 1175 break; 1176 case 2: /* 8xAA compressed depth only */ 1177 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1178 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 1179 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1180 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1181 NUM_BANKS(ADDR_SURF_16_BANK) | 1182 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1183 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1184 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4)); 1185 break; 1186 case 3: /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */ 1187 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1188 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 1189 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1190 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) | 1191 NUM_BANKS(ADDR_SURF_16_BANK) | 1192 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1193 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1194 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4)); 1195 break; 1196 case 4: /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */ 1197 gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | 1198 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 1199 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1200 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 1201 NUM_BANKS(ADDR_SURF_16_BANK) | 1202 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1203 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1204 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1205 break; 1206 case 5: /* Uncompressed 16bpp depth - and stencil buffer allocated with it */ 1207 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1208 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 1209 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1210 TILE_SPLIT(split_equal_to_row_size) | 1211 NUM_BANKS(ADDR_SURF_16_BANK) | 1212 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1213 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1214 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1215 break; 1216 case 6: /* Uncompressed 32bpp depth - and stencil buffer allocated with it */ 1217 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1218 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 1219 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1220 TILE_SPLIT(split_equal_to_row_size) | 1221 NUM_BANKS(ADDR_SURF_16_BANK) | 1222 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1223 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1224 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1225 break; 1226 case 7: /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */ 1227 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1228 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) | 1229 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1230 TILE_SPLIT(split_equal_to_row_size) | 1231 NUM_BANKS(ADDR_SURF_16_BANK) | 1232 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1233 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1234 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4)); 1235 break; 1236 case 8: /* 1D and 1D Array Surfaces */ 1237 gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) | 1238 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1239 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1240 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 1241 NUM_BANKS(ADDR_SURF_16_BANK) | 1242 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1243 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1244 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1245 break; 1246 case 9: /* Displayable maps. */ 1247 gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | 1248 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1249 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1250 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 1251 NUM_BANKS(ADDR_SURF_16_BANK) | 1252 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1253 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1254 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1255 break; 1256 case 10: /* Display 8bpp. */ 1257 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1258 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1259 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1260 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1261 NUM_BANKS(ADDR_SURF_16_BANK) | 1262 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1263 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1264 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4)); 1265 break; 1266 case 11: /* Display 16bpp. */ 1267 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1268 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1269 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1270 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1271 NUM_BANKS(ADDR_SURF_16_BANK) | 1272 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1273 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1274 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1275 break; 1276 case 12: /* Display 32bpp. */ 1277 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1278 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) | 1279 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1280 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) | 1281 NUM_BANKS(ADDR_SURF_16_BANK) | 1282 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1283 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1284 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1285 break; 1286 case 13: /* Thin. */ 1287 gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | 1288 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1289 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1290 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | 1291 NUM_BANKS(ADDR_SURF_16_BANK) | 1292 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1293 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1294 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1295 break; 1296 case 14: /* Thin 8 bpp. */ 1297 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1298 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1299 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1300 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1301 NUM_BANKS(ADDR_SURF_16_BANK) | 1302 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1303 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1304 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1305 break; 1306 case 15: /* Thin 16 bpp. */ 1307 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1308 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1309 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1310 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1311 NUM_BANKS(ADDR_SURF_16_BANK) | 1312 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1313 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1314 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1315 break; 1316 case 16: /* Thin 32 bpp. */ 1317 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1318 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1319 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1320 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) | 1321 NUM_BANKS(ADDR_SURF_16_BANK) | 1322 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1323 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1324 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1325 break; 1326 case 17: /* Thin 64 bpp. */ 1327 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1328 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1329 PIPE_CONFIG(ADDR_SURF_P4_8x16) | 1330 TILE_SPLIT(split_equal_to_row_size) | 1331 NUM_BANKS(ADDR_SURF_16_BANK) | 1332 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1333 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1334 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1335 break; 1336 case 21: /* 8 bpp PRT. */ 1337 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1338 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1339 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1340 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1341 NUM_BANKS(ADDR_SURF_16_BANK) | 1342 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) | 1343 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1344 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1345 break; 1346 case 22: /* 16 bpp PRT */ 1347 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1348 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1349 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1350 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1351 NUM_BANKS(ADDR_SURF_16_BANK) | 1352 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1353 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | 1354 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4)); 1355 break; 1356 case 23: /* 32 bpp PRT */ 1357 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1358 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1359 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1360 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | 1361 NUM_BANKS(ADDR_SURF_16_BANK) | 1362 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1363 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | 1364 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1365 break; 1366 case 24: /* 64 bpp PRT */ 1367 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1368 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1369 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1370 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) | 1371 NUM_BANKS(ADDR_SURF_16_BANK) | 1372 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1373 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1374 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2)); 1375 break; 1376 case 25: /* 128 bpp PRT */ 1377 gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | 1378 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) | 1379 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) | 1380 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) | 1381 NUM_BANKS(ADDR_SURF_8_BANK) | 1382 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | 1383 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | 1384 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1)); 1385 break; 1386 default: 1387 gb_tile_moden = 0; 1388 break; 1389 } 1390 WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden); 1391 } 1392 } else 1393 DRM_ERROR("unknown asic: 0x%x\n", rdev->family); 1394 } 1395 1396 static void si_select_se_sh(struct radeon_device *rdev, 1397 u32 se_num, u32 sh_num) 1398 { 1399 u32 data = INSTANCE_BROADCAST_WRITES; 1400 1401 if ((se_num == 0xffffffff) && (sh_num == 0xffffffff)) 1402 data = SH_BROADCAST_WRITES | SE_BROADCAST_WRITES; 1403 else if (se_num == 0xffffffff) 1404 data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num); 1405 else if (sh_num == 0xffffffff) 1406 data |= SH_BROADCAST_WRITES | SE_INDEX(se_num); 1407 else 1408 data |= SH_INDEX(sh_num) | SE_INDEX(se_num); 1409 WREG32(GRBM_GFX_INDEX, data); 1410 } 1411 1412 static u32 si_create_bitmask(u32 bit_width) 1413 { 1414 u32 i, mask = 0; 1415 1416 for (i = 0; i < bit_width; i++) { 1417 mask <<= 1; 1418 mask |= 1; 1419 } 1420 return mask; 1421 } 1422 1423 static u32 si_get_cu_enabled(struct radeon_device *rdev, u32 cu_per_sh) 1424 { 1425 u32 data, mask; 1426 1427 data = RREG32(CC_GC_SHADER_ARRAY_CONFIG); 1428 if (data & 1) 1429 data &= INACTIVE_CUS_MASK; 1430 else 1431 data = 0; 1432 data |= RREG32(GC_USER_SHADER_ARRAY_CONFIG); 1433 1434 data >>= INACTIVE_CUS_SHIFT; 1435 1436 mask = si_create_bitmask(cu_per_sh); 1437 1438 return ~data & mask; 1439 } 1440 1441 static void si_setup_spi(struct radeon_device *rdev, 1442 u32 se_num, u32 sh_per_se, 1443 u32 cu_per_sh) 1444 { 1445 int i, j, k; 1446 u32 data, mask, active_cu; 1447 1448 for (i = 0; i < se_num; i++) { 1449 for (j = 0; j < sh_per_se; j++) { 1450 si_select_se_sh(rdev, i, j); 1451 data = RREG32(SPI_STATIC_THREAD_MGMT_3); 1452 active_cu = si_get_cu_enabled(rdev, cu_per_sh); 1453 1454 mask = 1; 1455 for (k = 0; k < 16; k++) { 1456 mask <<= k; 1457 if (active_cu & mask) { 1458 data &= ~mask; 1459 WREG32(SPI_STATIC_THREAD_MGMT_3, data); 1460 break; 1461 } 1462 } 1463 } 1464 } 1465 si_select_se_sh(rdev, 0xffffffff, 0xffffffff); 1466 } 1467 1468 static u32 si_get_rb_disabled(struct radeon_device *rdev, 1469 u32 max_rb_num, u32 se_num, 1470 u32 sh_per_se) 1471 { 1472 u32 data, mask; 1473 1474 data = RREG32(CC_RB_BACKEND_DISABLE); 1475 if (data & 1) 1476 data &= BACKEND_DISABLE_MASK; 1477 else 1478 data = 0; 1479 data |= RREG32(GC_USER_RB_BACKEND_DISABLE); 1480 1481 data >>= BACKEND_DISABLE_SHIFT; 1482 1483 mask = si_create_bitmask(max_rb_num / se_num / sh_per_se); 1484 1485 return data & mask; 1486 } 1487 1488 static void si_setup_rb(struct radeon_device *rdev, 1489 u32 se_num, u32 sh_per_se, 1490 u32 max_rb_num) 1491 { 1492 int i, j; 1493 u32 data, mask; 1494 u32 disabled_rbs = 0; 1495 u32 enabled_rbs = 0; 1496 1497 for (i = 0; i < se_num; i++) { 1498 for (j = 0; j < sh_per_se; j++) { 1499 si_select_se_sh(rdev, i, j); 1500 data = si_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se); 1501 disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH); 1502 } 1503 } 1504 si_select_se_sh(rdev, 0xffffffff, 0xffffffff); 1505 1506 mask = 1; 1507 for (i = 0; i < max_rb_num; i++) { 1508 if (!(disabled_rbs & mask)) 1509 enabled_rbs |= mask; 1510 mask <<= 1; 1511 } 1512 1513 for (i = 0; i < se_num; i++) { 1514 si_select_se_sh(rdev, i, 0xffffffff); 1515 data = 0; 1516 for (j = 0; j < sh_per_se; j++) { 1517 switch (enabled_rbs & 3) { 1518 case 1: 1519 data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2); 1520 break; 1521 case 2: 1522 data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2); 1523 break; 1524 case 3: 1525 default: 1526 data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2); 1527 break; 1528 } 1529 enabled_rbs >>= 2; 1530 } 1531 WREG32(PA_SC_RASTER_CONFIG, data); 1532 } 1533 si_select_se_sh(rdev, 0xffffffff, 0xffffffff); 1534 } 1535 1536 static void si_gpu_init(struct radeon_device *rdev) 1537 { 1538 u32 gb_addr_config = 0; 1539 u32 mc_shared_chmap, mc_arb_ramcfg; 1540 u32 sx_debug_1; 1541 u32 hdp_host_path_cntl; 1542 u32 tmp; 1543 int i, j; 1544 1545 switch (rdev->family) { 1546 case CHIP_TAHITI: 1547 rdev->config.si.max_shader_engines = 2; 1548 rdev->config.si.max_tile_pipes = 12; 1549 rdev->config.si.max_cu_per_sh = 8; 1550 rdev->config.si.max_sh_per_se = 2; 1551 rdev->config.si.max_backends_per_se = 4; 1552 rdev->config.si.max_texture_channel_caches = 12; 1553 rdev->config.si.max_gprs = 256; 1554 rdev->config.si.max_gs_threads = 32; 1555 rdev->config.si.max_hw_contexts = 8; 1556 1557 rdev->config.si.sc_prim_fifo_size_frontend = 0x20; 1558 rdev->config.si.sc_prim_fifo_size_backend = 0x100; 1559 rdev->config.si.sc_hiz_tile_fifo_size = 0x30; 1560 rdev->config.si.sc_earlyz_tile_fifo_size = 0x130; 1561 gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN; 1562 break; 1563 case CHIP_PITCAIRN: 1564 rdev->config.si.max_shader_engines = 2; 1565 rdev->config.si.max_tile_pipes = 8; 1566 rdev->config.si.max_cu_per_sh = 5; 1567 rdev->config.si.max_sh_per_se = 2; 1568 rdev->config.si.max_backends_per_se = 4; 1569 rdev->config.si.max_texture_channel_caches = 8; 1570 rdev->config.si.max_gprs = 256; 1571 rdev->config.si.max_gs_threads = 32; 1572 rdev->config.si.max_hw_contexts = 8; 1573 1574 rdev->config.si.sc_prim_fifo_size_frontend = 0x20; 1575 rdev->config.si.sc_prim_fifo_size_backend = 0x100; 1576 rdev->config.si.sc_hiz_tile_fifo_size = 0x30; 1577 rdev->config.si.sc_earlyz_tile_fifo_size = 0x130; 1578 gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN; 1579 break; 1580 case CHIP_VERDE: 1581 default: 1582 rdev->config.si.max_shader_engines = 1; 1583 rdev->config.si.max_tile_pipes = 4; 1584 rdev->config.si.max_cu_per_sh = 2; 1585 rdev->config.si.max_sh_per_se = 2; 1586 rdev->config.si.max_backends_per_se = 4; 1587 rdev->config.si.max_texture_channel_caches = 4; 1588 rdev->config.si.max_gprs = 256; 1589 rdev->config.si.max_gs_threads = 32; 1590 rdev->config.si.max_hw_contexts = 8; 1591 1592 rdev->config.si.sc_prim_fifo_size_frontend = 0x20; 1593 rdev->config.si.sc_prim_fifo_size_backend = 0x40; 1594 rdev->config.si.sc_hiz_tile_fifo_size = 0x30; 1595 rdev->config.si.sc_earlyz_tile_fifo_size = 0x130; 1596 gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN; 1597 break; 1598 } 1599 1600 /* Initialize HDP */ 1601 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1602 WREG32((0x2c14 + j), 0x00000000); 1603 WREG32((0x2c18 + j), 0x00000000); 1604 WREG32((0x2c1c + j), 0x00000000); 1605 WREG32((0x2c20 + j), 0x00000000); 1606 WREG32((0x2c24 + j), 0x00000000); 1607 } 1608 1609 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 1610 1611 evergreen_fix_pci_max_read_req_size(rdev); 1612 1613 WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN); 1614 1615 mc_shared_chmap = RREG32(MC_SHARED_CHMAP); 1616 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); 1617 1618 rdev->config.si.num_tile_pipes = rdev->config.si.max_tile_pipes; 1619 rdev->config.si.mem_max_burst_length_bytes = 256; 1620 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT; 1621 rdev->config.si.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024; 1622 if (rdev->config.si.mem_row_size_in_kb > 4) 1623 rdev->config.si.mem_row_size_in_kb = 4; 1624 /* XXX use MC settings? */ 1625 rdev->config.si.shader_engine_tile_size = 32; 1626 rdev->config.si.num_gpus = 1; 1627 rdev->config.si.multi_gpu_tile_size = 64; 1628 1629 /* fix up row size */ 1630 gb_addr_config &= ~ROW_SIZE_MASK; 1631 switch (rdev->config.si.mem_row_size_in_kb) { 1632 case 1: 1633 default: 1634 gb_addr_config |= ROW_SIZE(0); 1635 break; 1636 case 2: 1637 gb_addr_config |= ROW_SIZE(1); 1638 break; 1639 case 4: 1640 gb_addr_config |= ROW_SIZE(2); 1641 break; 1642 } 1643 1644 /* setup tiling info dword. gb_addr_config is not adequate since it does 1645 * not have bank info, so create a custom tiling dword. 1646 * bits 3:0 num_pipes 1647 * bits 7:4 num_banks 1648 * bits 11:8 group_size 1649 * bits 15:12 row_size 1650 */ 1651 rdev->config.si.tile_config = 0; 1652 switch (rdev->config.si.num_tile_pipes) { 1653 case 1: 1654 rdev->config.si.tile_config |= (0 << 0); 1655 break; 1656 case 2: 1657 rdev->config.si.tile_config |= (1 << 0); 1658 break; 1659 case 4: 1660 rdev->config.si.tile_config |= (2 << 0); 1661 break; 1662 case 8: 1663 default: 1664 /* XXX what about 12? */ 1665 rdev->config.si.tile_config |= (3 << 0); 1666 break; 1667 } 1668 switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { 1669 case 0: /* four banks */ 1670 rdev->config.si.tile_config |= 0 << 4; 1671 break; 1672 case 1: /* eight banks */ 1673 rdev->config.si.tile_config |= 1 << 4; 1674 break; 1675 case 2: /* sixteen banks */ 1676 default: 1677 rdev->config.si.tile_config |= 2 << 4; 1678 break; 1679 } 1680 rdev->config.si.tile_config |= 1681 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; 1682 rdev->config.si.tile_config |= 1683 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12; 1684 1685 WREG32(GB_ADDR_CONFIG, gb_addr_config); 1686 WREG32(DMIF_ADDR_CONFIG, gb_addr_config); 1687 WREG32(HDP_ADDR_CONFIG, gb_addr_config); 1688 WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config); 1689 WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config); 1690 1691 si_tiling_mode_table_init(rdev); 1692 1693 si_setup_rb(rdev, rdev->config.si.max_shader_engines, 1694 rdev->config.si.max_sh_per_se, 1695 rdev->config.si.max_backends_per_se); 1696 1697 si_setup_spi(rdev, rdev->config.si.max_shader_engines, 1698 rdev->config.si.max_sh_per_se, 1699 rdev->config.si.max_cu_per_sh); 1700 1701 1702 /* set HW defaults for 3D engine */ 1703 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | 1704 ROQ_IB2_START(0x2b))); 1705 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60)); 1706 1707 sx_debug_1 = RREG32(SX_DEBUG_1); 1708 WREG32(SX_DEBUG_1, sx_debug_1); 1709 1710 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4)); 1711 1712 WREG32(PA_SC_FIFO_SIZE, (SC_FRONTEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_frontend) | 1713 SC_BACKEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_backend) | 1714 SC_HIZ_TILE_FIFO_SIZE(rdev->config.si.sc_hiz_tile_fifo_size) | 1715 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.si.sc_earlyz_tile_fifo_size))); 1716 1717 WREG32(VGT_NUM_INSTANCES, 1); 1718 1719 WREG32(CP_PERFMON_CNTL, 0); 1720 1721 WREG32(SQ_CONFIG, 0); 1722 1723 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | 1724 FORCE_EOV_MAX_REZ_CNT(255))); 1725 1726 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) | 1727 AUTO_INVLD_EN(ES_AND_GS_AUTO)); 1728 1729 WREG32(VGT_GS_VERTEX_REUSE, 16); 1730 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 1731 1732 WREG32(CB_PERFCOUNTER0_SELECT0, 0); 1733 WREG32(CB_PERFCOUNTER0_SELECT1, 0); 1734 WREG32(CB_PERFCOUNTER1_SELECT0, 0); 1735 WREG32(CB_PERFCOUNTER1_SELECT1, 0); 1736 WREG32(CB_PERFCOUNTER2_SELECT0, 0); 1737 WREG32(CB_PERFCOUNTER2_SELECT1, 0); 1738 WREG32(CB_PERFCOUNTER3_SELECT0, 0); 1739 WREG32(CB_PERFCOUNTER3_SELECT1, 0); 1740 1741 tmp = RREG32(HDP_MISC_CNTL); 1742 tmp |= HDP_FLUSH_INVALIDATE_CACHE; 1743 WREG32(HDP_MISC_CNTL, tmp); 1744 1745 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); 1746 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); 1747 1748 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); 1749 1750 DRM_UDELAY(50); 1751 } 1752 1753 /* 1754 * GPU scratch registers helpers function. 1755 */ 1756 static void si_scratch_init(struct radeon_device *rdev) 1757 { 1758 int i; 1759 1760 rdev->scratch.num_reg = 7; 1761 rdev->scratch.reg_base = SCRATCH_REG0; 1762 for (i = 0; i < rdev->scratch.num_reg; i++) { 1763 rdev->scratch.free[i] = true; 1764 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); 1765 } 1766 } 1767 1768 void si_fence_ring_emit(struct radeon_device *rdev, 1769 struct radeon_fence *fence) 1770 { 1771 struct radeon_ring *ring = &rdev->ring[fence->ring]; 1772 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 1773 1774 /* flush read cache over gart */ 1775 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 1776 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2); 1777 radeon_ring_write(ring, 0); 1778 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 1779 radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA | 1780 PACKET3_TC_ACTION_ENA | 1781 PACKET3_SH_KCACHE_ACTION_ENA | 1782 PACKET3_SH_ICACHE_ACTION_ENA); 1783 radeon_ring_write(ring, 0xFFFFFFFF); 1784 radeon_ring_write(ring, 0); 1785 radeon_ring_write(ring, 10); /* poll interval */ 1786 /* EVENT_WRITE_EOP - flush caches, send int */ 1787 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 1788 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5)); 1789 radeon_ring_write(ring, addr & 0xffffffff); 1790 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 1791 radeon_ring_write(ring, fence->seq); 1792 radeon_ring_write(ring, 0); 1793 } 1794 1795 /* 1796 * IB stuff 1797 */ 1798 void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 1799 { 1800 struct radeon_ring *ring = &rdev->ring[ib->ring]; 1801 u32 header; 1802 1803 if (ib->is_const_ib) { 1804 /* set switch buffer packet before const IB */ 1805 radeon_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); 1806 radeon_ring_write(ring, 0); 1807 1808 header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2); 1809 } else { 1810 u32 next_rptr; 1811 if (ring->rptr_save_reg) { 1812 next_rptr = ring->wptr + 3 + 4 + 8; 1813 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 1814 radeon_ring_write(ring, ((ring->rptr_save_reg - 1815 PACKET3_SET_CONFIG_REG_START) >> 2)); 1816 radeon_ring_write(ring, next_rptr); 1817 } else if (rdev->wb.enabled) { 1818 next_rptr = ring->wptr + 5 + 4 + 8; 1819 radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); 1820 radeon_ring_write(ring, (1 << 8)); 1821 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); 1822 radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff); 1823 radeon_ring_write(ring, next_rptr); 1824 } 1825 1826 header = PACKET3(PACKET3_INDIRECT_BUFFER, 2); 1827 } 1828 1829 radeon_ring_write(ring, header); 1830 radeon_ring_write(ring, 1831 #ifdef __BIG_ENDIAN 1832 (2 << 0) | 1833 #endif 1834 (ib->gpu_addr & 0xFFFFFFFC)); 1835 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF); 1836 radeon_ring_write(ring, ib->length_dw | 1837 (ib->vm ? (ib->vm->id << 24) : 0)); 1838 1839 if (!ib->is_const_ib) { 1840 /* flush read cache over gart for this vmid */ 1841 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 1842 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2); 1843 radeon_ring_write(ring, ib->vm ? ib->vm->id : 0); 1844 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 1845 radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA | 1846 PACKET3_TC_ACTION_ENA | 1847 PACKET3_SH_KCACHE_ACTION_ENA | 1848 PACKET3_SH_ICACHE_ACTION_ENA); 1849 radeon_ring_write(ring, 0xFFFFFFFF); 1850 radeon_ring_write(ring, 0); 1851 radeon_ring_write(ring, 10); /* poll interval */ 1852 } 1853 } 1854 1855 /* 1856 * CP. 1857 */ 1858 static void si_cp_enable(struct radeon_device *rdev, bool enable) 1859 { 1860 if (enable) 1861 WREG32(CP_ME_CNTL, 0); 1862 else { 1863 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 1864 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT)); 1865 WREG32(SCRATCH_UMSK, 0); 1866 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1867 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 1868 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 1869 } 1870 DRM_UDELAY(50); 1871 } 1872 1873 static int si_cp_load_microcode(struct radeon_device *rdev) 1874 { 1875 const __be32 *fw_data; 1876 int i; 1877 1878 if (!rdev->me_fw || !rdev->pfp_fw) 1879 return -EINVAL; 1880 1881 si_cp_enable(rdev, false); 1882 1883 /* PFP */ 1884 fw_data = (const __be32 *)rdev->pfp_fw->data; 1885 WREG32(CP_PFP_UCODE_ADDR, 0); 1886 for (i = 0; i < SI_PFP_UCODE_SIZE; i++) 1887 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); 1888 WREG32(CP_PFP_UCODE_ADDR, 0); 1889 1890 /* CE */ 1891 fw_data = (const __be32 *)rdev->ce_fw->data; 1892 WREG32(CP_CE_UCODE_ADDR, 0); 1893 for (i = 0; i < SI_CE_UCODE_SIZE; i++) 1894 WREG32(CP_CE_UCODE_DATA, be32_to_cpup(fw_data++)); 1895 WREG32(CP_CE_UCODE_ADDR, 0); 1896 1897 /* ME */ 1898 fw_data = (const __be32 *)rdev->me_fw->data; 1899 WREG32(CP_ME_RAM_WADDR, 0); 1900 for (i = 0; i < SI_PM4_UCODE_SIZE; i++) 1901 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); 1902 WREG32(CP_ME_RAM_WADDR, 0); 1903 1904 WREG32(CP_PFP_UCODE_ADDR, 0); 1905 WREG32(CP_CE_UCODE_ADDR, 0); 1906 WREG32(CP_ME_RAM_WADDR, 0); 1907 WREG32(CP_ME_RAM_RADDR, 0); 1908 return 0; 1909 } 1910 1911 static int si_cp_start(struct radeon_device *rdev) 1912 { 1913 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1914 int r, i; 1915 1916 r = radeon_ring_lock(rdev, ring, 7 + 4); 1917 if (r) { 1918 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 1919 return r; 1920 } 1921 /* init the CP */ 1922 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 1923 radeon_ring_write(ring, 0x1); 1924 radeon_ring_write(ring, 0x0); 1925 radeon_ring_write(ring, rdev->config.si.max_hw_contexts - 1); 1926 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 1927 radeon_ring_write(ring, 0); 1928 radeon_ring_write(ring, 0); 1929 1930 /* init the CE partitions */ 1931 radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2)); 1932 radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE)); 1933 radeon_ring_write(ring, 0xc000); 1934 radeon_ring_write(ring, 0xe000); 1935 radeon_ring_unlock_commit(rdev, ring); 1936 1937 si_cp_enable(rdev, true); 1938 1939 r = radeon_ring_lock(rdev, ring, si_default_size + 10); 1940 if (r) { 1941 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 1942 return r; 1943 } 1944 1945 /* setup clear context state */ 1946 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 1947 radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); 1948 1949 for (i = 0; i < si_default_size; i++) 1950 radeon_ring_write(ring, si_default_state[i]); 1951 1952 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 1953 radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE); 1954 1955 /* set clear context state */ 1956 radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0)); 1957 radeon_ring_write(ring, 0); 1958 1959 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); 1960 radeon_ring_write(ring, 0x00000316); 1961 radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */ 1962 radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */ 1963 1964 radeon_ring_unlock_commit(rdev, ring); 1965 1966 for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) { 1967 ring = &rdev->ring[i]; 1968 r = radeon_ring_lock(rdev, ring, 2); 1969 1970 /* clear the compute context state */ 1971 radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0)); 1972 radeon_ring_write(ring, 0); 1973 1974 radeon_ring_unlock_commit(rdev, ring); 1975 } 1976 1977 return 0; 1978 } 1979 1980 static void si_cp_fini(struct radeon_device *rdev) 1981 { 1982 struct radeon_ring *ring; 1983 si_cp_enable(rdev, false); 1984 1985 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1986 radeon_ring_fini(rdev, ring); 1987 radeon_scratch_free(rdev, ring->rptr_save_reg); 1988 1989 ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]; 1990 radeon_ring_fini(rdev, ring); 1991 radeon_scratch_free(rdev, ring->rptr_save_reg); 1992 1993 ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]; 1994 radeon_ring_fini(rdev, ring); 1995 radeon_scratch_free(rdev, ring->rptr_save_reg); 1996 } 1997 1998 static int si_cp_resume(struct radeon_device *rdev) 1999 { 2000 struct radeon_ring *ring; 2001 u32 tmp; 2002 u32 rb_bufsz; 2003 int r; 2004 2005 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ 2006 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | 2007 SOFT_RESET_PA | 2008 SOFT_RESET_VGT | 2009 SOFT_RESET_SPI | 2010 SOFT_RESET_SX)); 2011 RREG32(GRBM_SOFT_RESET); 2012 DRM_MDELAY(15); 2013 WREG32(GRBM_SOFT_RESET, 0); 2014 RREG32(GRBM_SOFT_RESET); 2015 2016 WREG32(CP_SEM_WAIT_TIMER, 0x0); 2017 WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0); 2018 2019 /* Set the write pointer delay */ 2020 WREG32(CP_RB_WPTR_DELAY, 0); 2021 2022 WREG32(CP_DEBUG, 0); 2023 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 2024 2025 /* ring 0 - compute and gfx */ 2026 /* Set ring buffer size */ 2027 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2028 rb_bufsz = drm_order(ring->ring_size / 8); 2029 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2030 #ifdef __BIG_ENDIAN 2031 tmp |= BUF_SWAP_32BIT; 2032 #endif 2033 WREG32(CP_RB0_CNTL, tmp); 2034 2035 /* Initialize the ring buffer's read and write pointers */ 2036 WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA); 2037 ring->wptr = 0; 2038 WREG32(CP_RB0_WPTR, ring->wptr); 2039 2040 /* set the wb address whether it's enabled or not */ 2041 WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC); 2042 WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); 2043 2044 if (rdev->wb.enabled) 2045 WREG32(SCRATCH_UMSK, 0xff); 2046 else { 2047 tmp |= RB_NO_UPDATE; 2048 WREG32(SCRATCH_UMSK, 0); 2049 } 2050 2051 DRM_MDELAY(1); 2052 WREG32(CP_RB0_CNTL, tmp); 2053 2054 WREG32(CP_RB0_BASE, ring->gpu_addr >> 8); 2055 2056 ring->rptr = RREG32(CP_RB0_RPTR); 2057 2058 /* ring1 - compute only */ 2059 /* Set ring buffer size */ 2060 ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]; 2061 rb_bufsz = drm_order(ring->ring_size / 8); 2062 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2063 #ifdef __BIG_ENDIAN 2064 tmp |= BUF_SWAP_32BIT; 2065 #endif 2066 WREG32(CP_RB1_CNTL, tmp); 2067 2068 /* Initialize the ring buffer's read and write pointers */ 2069 WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA); 2070 ring->wptr = 0; 2071 WREG32(CP_RB1_WPTR, ring->wptr); 2072 2073 /* set the wb address whether it's enabled or not */ 2074 WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC); 2075 WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF); 2076 2077 DRM_MDELAY(1); 2078 WREG32(CP_RB1_CNTL, tmp); 2079 2080 WREG32(CP_RB1_BASE, ring->gpu_addr >> 8); 2081 2082 ring->rptr = RREG32(CP_RB1_RPTR); 2083 2084 /* ring2 - compute only */ 2085 /* Set ring buffer size */ 2086 ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]; 2087 rb_bufsz = drm_order(ring->ring_size / 8); 2088 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2089 #ifdef __BIG_ENDIAN 2090 tmp |= BUF_SWAP_32BIT; 2091 #endif 2092 WREG32(CP_RB2_CNTL, tmp); 2093 2094 /* Initialize the ring buffer's read and write pointers */ 2095 WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA); 2096 ring->wptr = 0; 2097 WREG32(CP_RB2_WPTR, ring->wptr); 2098 2099 /* set the wb address whether it's enabled or not */ 2100 WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC); 2101 WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF); 2102 2103 DRM_MDELAY(1); 2104 WREG32(CP_RB2_CNTL, tmp); 2105 2106 WREG32(CP_RB2_BASE, ring->gpu_addr >> 8); 2107 2108 ring->rptr = RREG32(CP_RB2_RPTR); 2109 2110 /* start the rings */ 2111 si_cp_start(rdev); 2112 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true; 2113 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = true; 2114 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = true; 2115 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 2116 if (r) { 2117 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 2118 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 2119 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 2120 return r; 2121 } 2122 r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]); 2123 if (r) { 2124 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 2125 } 2126 r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]); 2127 if (r) { 2128 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 2129 } 2130 2131 return 0; 2132 } 2133 2134 bool si_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 2135 { 2136 u32 srbm_status; 2137 u32 grbm_status, grbm_status2; 2138 u32 grbm_status_se0, grbm_status_se1; 2139 2140 srbm_status = RREG32(SRBM_STATUS); 2141 grbm_status = RREG32(GRBM_STATUS); 2142 grbm_status2 = RREG32(GRBM_STATUS2); 2143 grbm_status_se0 = RREG32(GRBM_STATUS_SE0); 2144 grbm_status_se1 = RREG32(GRBM_STATUS_SE1); 2145 if (!(grbm_status & GUI_ACTIVE)) { 2146 radeon_ring_lockup_update(ring); 2147 return false; 2148 } 2149 /* force CP activities */ 2150 radeon_ring_force_activity(rdev, ring); 2151 return radeon_ring_test_lockup(rdev, ring); 2152 } 2153 2154 static void si_gpu_soft_reset_gfx(struct radeon_device *rdev) 2155 { 2156 u32 grbm_reset = 0; 2157 2158 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) 2159 return; 2160 2161 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", 2162 RREG32(GRBM_STATUS)); 2163 dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n", 2164 RREG32(GRBM_STATUS2)); 2165 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", 2166 RREG32(GRBM_STATUS_SE0)); 2167 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", 2168 RREG32(GRBM_STATUS_SE1)); 2169 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", 2170 RREG32(SRBM_STATUS)); 2171 2172 /* Disable CP parsing/prefetching */ 2173 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); 2174 2175 /* reset all the gfx blocks */ 2176 grbm_reset = (SOFT_RESET_CP | 2177 SOFT_RESET_CB | 2178 SOFT_RESET_DB | 2179 SOFT_RESET_GDS | 2180 SOFT_RESET_PA | 2181 SOFT_RESET_SC | 2182 SOFT_RESET_BCI | 2183 SOFT_RESET_SPI | 2184 SOFT_RESET_SX | 2185 SOFT_RESET_TC | 2186 SOFT_RESET_TA | 2187 SOFT_RESET_VGT | 2188 SOFT_RESET_IA); 2189 2190 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); 2191 WREG32(GRBM_SOFT_RESET, grbm_reset); 2192 (void)RREG32(GRBM_SOFT_RESET); 2193 DRM_UDELAY(50); 2194 WREG32(GRBM_SOFT_RESET, 0); 2195 (void)RREG32(GRBM_SOFT_RESET); 2196 2197 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", 2198 RREG32(GRBM_STATUS)); 2199 dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n", 2200 RREG32(GRBM_STATUS2)); 2201 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", 2202 RREG32(GRBM_STATUS_SE0)); 2203 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", 2204 RREG32(GRBM_STATUS_SE1)); 2205 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", 2206 RREG32(SRBM_STATUS)); 2207 } 2208 2209 static void si_gpu_soft_reset_dma(struct radeon_device *rdev) 2210 { 2211 u32 tmp; 2212 2213 if (RREG32(DMA_STATUS_REG) & DMA_IDLE) 2214 return; 2215 2216 dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n", 2217 RREG32(DMA_STATUS_REG)); 2218 2219 /* dma0 */ 2220 tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); 2221 tmp &= ~DMA_RB_ENABLE; 2222 WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); 2223 2224 /* dma1 */ 2225 tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); 2226 tmp &= ~DMA_RB_ENABLE; 2227 WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); 2228 2229 /* Reset dma */ 2230 WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); 2231 RREG32(SRBM_SOFT_RESET); 2232 DRM_UDELAY(50); 2233 WREG32(SRBM_SOFT_RESET, 0); 2234 2235 dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n", 2236 RREG32(DMA_STATUS_REG)); 2237 } 2238 2239 static int si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) 2240 { 2241 struct evergreen_mc_save save; 2242 2243 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) 2244 reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE); 2245 2246 if (RREG32(DMA_STATUS_REG) & DMA_IDLE) 2247 reset_mask &= ~RADEON_RESET_DMA; 2248 2249 if (reset_mask == 0) 2250 return 0; 2251 2252 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); 2253 2254 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 2255 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR)); 2256 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 2257 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); 2258 2259 evergreen_mc_stop(rdev, &save); 2260 if (radeon_mc_wait_for_idle(rdev)) { 2261 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 2262 } 2263 2264 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) 2265 si_gpu_soft_reset_gfx(rdev); 2266 2267 if (reset_mask & RADEON_RESET_DMA) 2268 si_gpu_soft_reset_dma(rdev); 2269 2270 /* Wait a little for things to settle down */ 2271 DRM_UDELAY(50); 2272 2273 evergreen_mc_resume(rdev, &save); 2274 return 0; 2275 } 2276 2277 int si_asic_reset(struct radeon_device *rdev) 2278 { 2279 return si_gpu_soft_reset(rdev, (RADEON_RESET_GFX | 2280 RADEON_RESET_COMPUTE | 2281 RADEON_RESET_DMA)); 2282 } 2283 2284 /* MC */ 2285 static void si_mc_program(struct radeon_device *rdev) 2286 { 2287 struct evergreen_mc_save save; 2288 u32 tmp; 2289 int i, j; 2290 2291 /* Initialize HDP */ 2292 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 2293 WREG32((0x2c14 + j), 0x00000000); 2294 WREG32((0x2c18 + j), 0x00000000); 2295 WREG32((0x2c1c + j), 0x00000000); 2296 WREG32((0x2c20 + j), 0x00000000); 2297 WREG32((0x2c24 + j), 0x00000000); 2298 } 2299 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); 2300 2301 evergreen_mc_stop(rdev, &save); 2302 if (radeon_mc_wait_for_idle(rdev)) { 2303 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 2304 } 2305 /* Lockout access through VGA aperture*/ 2306 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); 2307 /* Update configuration */ 2308 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 2309 rdev->mc.vram_start >> 12); 2310 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 2311 rdev->mc.vram_end >> 12); 2312 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 2313 rdev->vram_scratch.gpu_addr >> 12); 2314 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; 2315 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); 2316 WREG32(MC_VM_FB_LOCATION, tmp); 2317 /* XXX double check these! */ 2318 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); 2319 WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); 2320 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); 2321 WREG32(MC_VM_AGP_BASE, 0); 2322 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); 2323 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); 2324 if (radeon_mc_wait_for_idle(rdev)) { 2325 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 2326 } 2327 evergreen_mc_resume(rdev, &save); 2328 /* we need to own VRAM, so turn off the VGA renderer here 2329 * to stop it overwriting our objects */ 2330 rv515_vga_render_disable(rdev); 2331 } 2332 2333 /* SI MC address space is 40 bits */ 2334 static void si_vram_location(struct radeon_device *rdev, 2335 struct radeon_mc *mc, u64 base) 2336 { 2337 mc->vram_start = base; 2338 if (mc->mc_vram_size > (0xFFFFFFFFFFULL - base + 1)) { 2339 dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n"); 2340 mc->real_vram_size = mc->aper_size; 2341 mc->mc_vram_size = mc->aper_size; 2342 } 2343 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; 2344 dev_info(rdev->dev, "VRAM: %juM 0x%016jX - 0x%016jX (%juM used)\n", 2345 (uintmax_t)mc->mc_vram_size >> 20, (uintmax_t)mc->vram_start, 2346 (uintmax_t)mc->vram_end, (uintmax_t)mc->real_vram_size >> 20); 2347 } 2348 2349 static void si_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) 2350 { 2351 u64 size_af, size_bf; 2352 2353 size_af = ((0xFFFFFFFFFFULL - mc->vram_end) + mc->gtt_base_align) & ~mc->gtt_base_align; 2354 size_bf = mc->vram_start & ~mc->gtt_base_align; 2355 if (size_bf > size_af) { 2356 if (mc->gtt_size > size_bf) { 2357 dev_warn(rdev->dev, "limiting GTT\n"); 2358 mc->gtt_size = size_bf; 2359 } 2360 mc->gtt_start = (mc->vram_start & ~mc->gtt_base_align) - mc->gtt_size; 2361 } else { 2362 if (mc->gtt_size > size_af) { 2363 dev_warn(rdev->dev, "limiting GTT\n"); 2364 mc->gtt_size = size_af; 2365 } 2366 mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align; 2367 } 2368 mc->gtt_end = mc->gtt_start + mc->gtt_size - 1; 2369 dev_info(rdev->dev, "GTT: %juM 0x%016jX - 0x%016jX\n", 2370 (uintmax_t)mc->gtt_size >> 20, (uintmax_t)mc->gtt_start, (uintmax_t)mc->gtt_end); 2371 } 2372 2373 static void si_vram_gtt_location(struct radeon_device *rdev, 2374 struct radeon_mc *mc) 2375 { 2376 if (mc->mc_vram_size > 0xFFC0000000ULL) { 2377 /* leave room for at least 1024M GTT */ 2378 dev_warn(rdev->dev, "limiting VRAM\n"); 2379 mc->real_vram_size = 0xFFC0000000ULL; 2380 mc->mc_vram_size = 0xFFC0000000ULL; 2381 } 2382 si_vram_location(rdev, &rdev->mc, 0); 2383 rdev->mc.gtt_base_align = 0; 2384 si_gtt_location(rdev, mc); 2385 } 2386 2387 static int si_mc_init(struct radeon_device *rdev) 2388 { 2389 u32 tmp; 2390 int chansize, numchan; 2391 2392 /* Get VRAM informations */ 2393 rdev->mc.vram_is_ddr = true; 2394 tmp = RREG32(MC_ARB_RAMCFG); 2395 if (tmp & CHANSIZE_OVERRIDE) { 2396 chansize = 16; 2397 } else if (tmp & CHANSIZE_MASK) { 2398 chansize = 64; 2399 } else { 2400 chansize = 32; 2401 } 2402 tmp = RREG32(MC_SHARED_CHMAP); 2403 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 2404 case 0: 2405 default: 2406 numchan = 1; 2407 break; 2408 case 1: 2409 numchan = 2; 2410 break; 2411 case 2: 2412 numchan = 4; 2413 break; 2414 case 3: 2415 numchan = 8; 2416 break; 2417 case 4: 2418 numchan = 3; 2419 break; 2420 case 5: 2421 numchan = 6; 2422 break; 2423 case 6: 2424 numchan = 10; 2425 break; 2426 case 7: 2427 numchan = 12; 2428 break; 2429 case 8: 2430 numchan = 16; 2431 break; 2432 } 2433 rdev->mc.vram_width = numchan * chansize; 2434 /* Could aper size report 0 ? */ 2435 rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); 2436 rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); 2437 /* size in MB on si */ 2438 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; 2439 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; 2440 rdev->mc.visible_vram_size = rdev->mc.aper_size; 2441 si_vram_gtt_location(rdev, &rdev->mc); 2442 radeon_update_bandwidth_info(rdev); 2443 2444 return 0; 2445 } 2446 2447 /* 2448 * GART 2449 */ 2450 void si_pcie_gart_tlb_flush(struct radeon_device *rdev) 2451 { 2452 /* flush hdp cache */ 2453 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 2454 2455 /* bits 0-15 are the VM contexts0-15 */ 2456 WREG32(VM_INVALIDATE_REQUEST, 1); 2457 } 2458 2459 static int si_pcie_gart_enable(struct radeon_device *rdev) 2460 { 2461 int r, i; 2462 2463 if (rdev->gart.robj == NULL) { 2464 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 2465 return -EINVAL; 2466 } 2467 r = radeon_gart_table_vram_pin(rdev); 2468 if (r) 2469 return r; 2470 radeon_gart_restore(rdev); 2471 /* Setup TLB control */ 2472 WREG32(MC_VM_MX_L1_TLB_CNTL, 2473 (0xA << 7) | 2474 ENABLE_L1_TLB | 2475 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 2476 ENABLE_ADVANCED_DRIVER_MODEL | 2477 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); 2478 /* Setup L2 cache */ 2479 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | 2480 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 2481 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | 2482 EFFECTIVE_L2_QUEUE_SIZE(7) | 2483 CONTEXT1_IDENTITY_ACCESS_MODE(1)); 2484 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE); 2485 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | 2486 L2_CACHE_BIGK_FRAGMENT_SIZE(0)); 2487 /* setup context0 */ 2488 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 2489 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 2490 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 2491 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 2492 (u32)(rdev->dummy_page.addr >> 12)); 2493 WREG32(VM_CONTEXT0_CNTL2, 0); 2494 WREG32(VM_CONTEXT0_CNTL, (ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 2495 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT)); 2496 2497 WREG32(0x15D4, 0); 2498 WREG32(0x15D8, 0); 2499 WREG32(0x15DC, 0); 2500 2501 /* empty context1-15 */ 2502 /* set vm size, must be a multiple of 4 */ 2503 WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); 2504 WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn); 2505 /* Assign the pt base to something valid for now; the pts used for 2506 * the VMs are determined by the application and setup and assigned 2507 * on the fly in the vm part of radeon_gart.c 2508 */ 2509 for (i = 1; i < 16; i++) { 2510 if (i < 8) 2511 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), 2512 rdev->gart.table_addr >> 12); 2513 else 2514 WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2), 2515 rdev->gart.table_addr >> 12); 2516 } 2517 2518 /* enable context1-15 */ 2519 WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, 2520 (u32)(rdev->dummy_page.addr >> 12)); 2521 WREG32(VM_CONTEXT1_CNTL2, 4); 2522 WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) | 2523 RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT | 2524 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT | 2525 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT | 2526 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT | 2527 PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT | 2528 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT | 2529 VALID_PROTECTION_FAULT_ENABLE_INTERRUPT | 2530 VALID_PROTECTION_FAULT_ENABLE_DEFAULT | 2531 READ_PROTECTION_FAULT_ENABLE_INTERRUPT | 2532 READ_PROTECTION_FAULT_ENABLE_DEFAULT | 2533 WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT | 2534 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT); 2535 2536 si_pcie_gart_tlb_flush(rdev); 2537 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 2538 (unsigned)(rdev->mc.gtt_size >> 20), 2539 (unsigned long long)rdev->gart.table_addr); 2540 rdev->gart.ready = true; 2541 return 0; 2542 } 2543 2544 static void si_pcie_gart_disable(struct radeon_device *rdev) 2545 { 2546 /* Disable all tables */ 2547 WREG32(VM_CONTEXT0_CNTL, 0); 2548 WREG32(VM_CONTEXT1_CNTL, 0); 2549 /* Setup TLB control */ 2550 WREG32(MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE_NOT_IN_SYS | 2551 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); 2552 /* Setup L2 cache */ 2553 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 2554 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | 2555 EFFECTIVE_L2_QUEUE_SIZE(7) | 2556 CONTEXT1_IDENTITY_ACCESS_MODE(1)); 2557 WREG32(VM_L2_CNTL2, 0); 2558 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | 2559 L2_CACHE_BIGK_FRAGMENT_SIZE(0)); 2560 radeon_gart_table_vram_unpin(rdev); 2561 } 2562 2563 static void si_pcie_gart_fini(struct radeon_device *rdev) 2564 { 2565 si_pcie_gart_disable(rdev); 2566 radeon_gart_table_vram_free(rdev); 2567 radeon_gart_fini(rdev); 2568 } 2569 2570 /* vm parser */ 2571 static bool si_vm_reg_valid(u32 reg) 2572 { 2573 /* context regs are fine */ 2574 if (reg >= 0x28000) 2575 return true; 2576 2577 /* check config regs */ 2578 switch (reg) { 2579 case GRBM_GFX_INDEX: 2580 case CP_STRMOUT_CNTL: 2581 case VGT_VTX_VECT_EJECT_REG: 2582 case VGT_CACHE_INVALIDATION: 2583 case VGT_ESGS_RING_SIZE: 2584 case VGT_GSVS_RING_SIZE: 2585 case VGT_GS_VERTEX_REUSE: 2586 case VGT_PRIMITIVE_TYPE: 2587 case VGT_INDEX_TYPE: 2588 case VGT_NUM_INDICES: 2589 case VGT_NUM_INSTANCES: 2590 case VGT_TF_RING_SIZE: 2591 case VGT_HS_OFFCHIP_PARAM: 2592 case VGT_TF_MEMORY_BASE: 2593 case PA_CL_ENHANCE: 2594 case PA_SU_LINE_STIPPLE_VALUE: 2595 case PA_SC_LINE_STIPPLE_STATE: 2596 case PA_SC_ENHANCE: 2597 case SQC_CACHES: 2598 case SPI_STATIC_THREAD_MGMT_1: 2599 case SPI_STATIC_THREAD_MGMT_2: 2600 case SPI_STATIC_THREAD_MGMT_3: 2601 case SPI_PS_MAX_WAVE_ID: 2602 case SPI_CONFIG_CNTL: 2603 case SPI_CONFIG_CNTL_1: 2604 case TA_CNTL_AUX: 2605 return true; 2606 default: 2607 DRM_ERROR("Invalid register 0x%x in CS\n", reg); 2608 return false; 2609 } 2610 } 2611 2612 static int si_vm_packet3_ce_check(struct radeon_device *rdev, 2613 u32 *ib, struct radeon_cs_packet *pkt) 2614 { 2615 switch (pkt->opcode) { 2616 case PACKET3_NOP: 2617 case PACKET3_SET_BASE: 2618 case PACKET3_SET_CE_DE_COUNTERS: 2619 case PACKET3_LOAD_CONST_RAM: 2620 case PACKET3_WRITE_CONST_RAM: 2621 case PACKET3_WRITE_CONST_RAM_OFFSET: 2622 case PACKET3_DUMP_CONST_RAM: 2623 case PACKET3_INCREMENT_CE_COUNTER: 2624 case PACKET3_WAIT_ON_DE_COUNTER: 2625 case PACKET3_CE_WRITE: 2626 break; 2627 default: 2628 DRM_ERROR("Invalid CE packet3: 0x%x\n", pkt->opcode); 2629 return -EINVAL; 2630 } 2631 return 0; 2632 } 2633 2634 static int si_vm_packet3_gfx_check(struct radeon_device *rdev, 2635 u32 *ib, struct radeon_cs_packet *pkt) 2636 { 2637 u32 idx = pkt->idx + 1; 2638 u32 idx_value = ib[idx]; 2639 u32 start_reg, end_reg, reg, i; 2640 u32 command, info; 2641 2642 switch (pkt->opcode) { 2643 case PACKET3_NOP: 2644 case PACKET3_SET_BASE: 2645 case PACKET3_CLEAR_STATE: 2646 case PACKET3_INDEX_BUFFER_SIZE: 2647 case PACKET3_DISPATCH_DIRECT: 2648 case PACKET3_DISPATCH_INDIRECT: 2649 case PACKET3_ALLOC_GDS: 2650 case PACKET3_WRITE_GDS_RAM: 2651 case PACKET3_ATOMIC_GDS: 2652 case PACKET3_ATOMIC: 2653 case PACKET3_OCCLUSION_QUERY: 2654 case PACKET3_SET_PREDICATION: 2655 case PACKET3_COND_EXEC: 2656 case PACKET3_PRED_EXEC: 2657 case PACKET3_DRAW_INDIRECT: 2658 case PACKET3_DRAW_INDEX_INDIRECT: 2659 case PACKET3_INDEX_BASE: 2660 case PACKET3_DRAW_INDEX_2: 2661 case PACKET3_CONTEXT_CONTROL: 2662 case PACKET3_INDEX_TYPE: 2663 case PACKET3_DRAW_INDIRECT_MULTI: 2664 case PACKET3_DRAW_INDEX_AUTO: 2665 case PACKET3_DRAW_INDEX_IMMD: 2666 case PACKET3_NUM_INSTANCES: 2667 case PACKET3_DRAW_INDEX_MULTI_AUTO: 2668 case PACKET3_STRMOUT_BUFFER_UPDATE: 2669 case PACKET3_DRAW_INDEX_OFFSET_2: 2670 case PACKET3_DRAW_INDEX_MULTI_ELEMENT: 2671 case PACKET3_DRAW_INDEX_INDIRECT_MULTI: 2672 case PACKET3_MPEG_INDEX: 2673 case PACKET3_WAIT_REG_MEM: 2674 case PACKET3_MEM_WRITE: 2675 case PACKET3_PFP_SYNC_ME: 2676 case PACKET3_SURFACE_SYNC: 2677 case PACKET3_EVENT_WRITE: 2678 case PACKET3_EVENT_WRITE_EOP: 2679 case PACKET3_EVENT_WRITE_EOS: 2680 case PACKET3_SET_CONTEXT_REG: 2681 case PACKET3_SET_CONTEXT_REG_INDIRECT: 2682 case PACKET3_SET_SH_REG: 2683 case PACKET3_SET_SH_REG_OFFSET: 2684 case PACKET3_INCREMENT_DE_COUNTER: 2685 case PACKET3_WAIT_ON_CE_COUNTER: 2686 case PACKET3_WAIT_ON_AVAIL_BUFFER: 2687 case PACKET3_ME_WRITE: 2688 break; 2689 case PACKET3_COPY_DATA: 2690 if ((idx_value & 0xf00) == 0) { 2691 reg = ib[idx + 3] * 4; 2692 if (!si_vm_reg_valid(reg)) 2693 return -EINVAL; 2694 } 2695 break; 2696 case PACKET3_WRITE_DATA: 2697 if ((idx_value & 0xf00) == 0) { 2698 start_reg = ib[idx + 1] * 4; 2699 if (idx_value & 0x10000) { 2700 if (!si_vm_reg_valid(start_reg)) 2701 return -EINVAL; 2702 } else { 2703 for (i = 0; i < (pkt->count - 2); i++) { 2704 reg = start_reg + (4 * i); 2705 if (!si_vm_reg_valid(reg)) 2706 return -EINVAL; 2707 } 2708 } 2709 } 2710 break; 2711 case PACKET3_COND_WRITE: 2712 if (idx_value & 0x100) { 2713 reg = ib[idx + 5] * 4; 2714 if (!si_vm_reg_valid(reg)) 2715 return -EINVAL; 2716 } 2717 break; 2718 case PACKET3_COPY_DW: 2719 if (idx_value & 0x2) { 2720 reg = ib[idx + 3] * 4; 2721 if (!si_vm_reg_valid(reg)) 2722 return -EINVAL; 2723 } 2724 break; 2725 case PACKET3_SET_CONFIG_REG: 2726 start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START; 2727 end_reg = 4 * pkt->count + start_reg - 4; 2728 if ((start_reg < PACKET3_SET_CONFIG_REG_START) || 2729 (start_reg >= PACKET3_SET_CONFIG_REG_END) || 2730 (end_reg >= PACKET3_SET_CONFIG_REG_END)) { 2731 DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n"); 2732 return -EINVAL; 2733 } 2734 for (i = 0; i < pkt->count; i++) { 2735 reg = start_reg + (4 * i); 2736 if (!si_vm_reg_valid(reg)) 2737 return -EINVAL; 2738 } 2739 break; 2740 case PACKET3_CP_DMA: 2741 command = ib[idx + 4]; 2742 info = ib[idx + 1]; 2743 if (command & PACKET3_CP_DMA_CMD_SAS) { 2744 /* src address space is register */ 2745 if (((info & 0x60000000) >> 29) == 0) { 2746 start_reg = idx_value << 2; 2747 if (command & PACKET3_CP_DMA_CMD_SAIC) { 2748 reg = start_reg; 2749 if (!si_vm_reg_valid(reg)) { 2750 DRM_ERROR("CP DMA Bad SRC register\n"); 2751 return -EINVAL; 2752 } 2753 } else { 2754 for (i = 0; i < (command & 0x1fffff); i++) { 2755 reg = start_reg + (4 * i); 2756 if (!si_vm_reg_valid(reg)) { 2757 DRM_ERROR("CP DMA Bad SRC register\n"); 2758 return -EINVAL; 2759 } 2760 } 2761 } 2762 } 2763 } 2764 if (command & PACKET3_CP_DMA_CMD_DAS) { 2765 /* dst address space is register */ 2766 if (((info & 0x00300000) >> 20) == 0) { 2767 start_reg = ib[idx + 2]; 2768 if (command & PACKET3_CP_DMA_CMD_DAIC) { 2769 reg = start_reg; 2770 if (!si_vm_reg_valid(reg)) { 2771 DRM_ERROR("CP DMA Bad DST register\n"); 2772 return -EINVAL; 2773 } 2774 } else { 2775 for (i = 0; i < (command & 0x1fffff); i++) { 2776 reg = start_reg + (4 * i); 2777 if (!si_vm_reg_valid(reg)) { 2778 DRM_ERROR("CP DMA Bad DST register\n"); 2779 return -EINVAL; 2780 } 2781 } 2782 } 2783 } 2784 } 2785 break; 2786 default: 2787 DRM_ERROR("Invalid GFX packet3: 0x%x\n", pkt->opcode); 2788 return -EINVAL; 2789 } 2790 return 0; 2791 } 2792 2793 static int si_vm_packet3_compute_check(struct radeon_device *rdev, 2794 u32 *ib, struct radeon_cs_packet *pkt) 2795 { 2796 u32 idx = pkt->idx + 1; 2797 u32 idx_value = ib[idx]; 2798 u32 start_reg, reg, i; 2799 2800 switch (pkt->opcode) { 2801 case PACKET3_NOP: 2802 case PACKET3_SET_BASE: 2803 case PACKET3_CLEAR_STATE: 2804 case PACKET3_DISPATCH_DIRECT: 2805 case PACKET3_DISPATCH_INDIRECT: 2806 case PACKET3_ALLOC_GDS: 2807 case PACKET3_WRITE_GDS_RAM: 2808 case PACKET3_ATOMIC_GDS: 2809 case PACKET3_ATOMIC: 2810 case PACKET3_OCCLUSION_QUERY: 2811 case PACKET3_SET_PREDICATION: 2812 case PACKET3_COND_EXEC: 2813 case PACKET3_PRED_EXEC: 2814 case PACKET3_CONTEXT_CONTROL: 2815 case PACKET3_STRMOUT_BUFFER_UPDATE: 2816 case PACKET3_WAIT_REG_MEM: 2817 case PACKET3_MEM_WRITE: 2818 case PACKET3_PFP_SYNC_ME: 2819 case PACKET3_SURFACE_SYNC: 2820 case PACKET3_EVENT_WRITE: 2821 case PACKET3_EVENT_WRITE_EOP: 2822 case PACKET3_EVENT_WRITE_EOS: 2823 case PACKET3_SET_CONTEXT_REG: 2824 case PACKET3_SET_CONTEXT_REG_INDIRECT: 2825 case PACKET3_SET_SH_REG: 2826 case PACKET3_SET_SH_REG_OFFSET: 2827 case PACKET3_INCREMENT_DE_COUNTER: 2828 case PACKET3_WAIT_ON_CE_COUNTER: 2829 case PACKET3_WAIT_ON_AVAIL_BUFFER: 2830 case PACKET3_ME_WRITE: 2831 break; 2832 case PACKET3_COPY_DATA: 2833 if ((idx_value & 0xf00) == 0) { 2834 reg = ib[idx + 3] * 4; 2835 if (!si_vm_reg_valid(reg)) 2836 return -EINVAL; 2837 } 2838 break; 2839 case PACKET3_WRITE_DATA: 2840 if ((idx_value & 0xf00) == 0) { 2841 start_reg = ib[idx + 1] * 4; 2842 if (idx_value & 0x10000) { 2843 if (!si_vm_reg_valid(start_reg)) 2844 return -EINVAL; 2845 } else { 2846 for (i = 0; i < (pkt->count - 2); i++) { 2847 reg = start_reg + (4 * i); 2848 if (!si_vm_reg_valid(reg)) 2849 return -EINVAL; 2850 } 2851 } 2852 } 2853 break; 2854 case PACKET3_COND_WRITE: 2855 if (idx_value & 0x100) { 2856 reg = ib[idx + 5] * 4; 2857 if (!si_vm_reg_valid(reg)) 2858 return -EINVAL; 2859 } 2860 break; 2861 case PACKET3_COPY_DW: 2862 if (idx_value & 0x2) { 2863 reg = ib[idx + 3] * 4; 2864 if (!si_vm_reg_valid(reg)) 2865 return -EINVAL; 2866 } 2867 break; 2868 default: 2869 DRM_ERROR("Invalid Compute packet3: 0x%x\n", pkt->opcode); 2870 return -EINVAL; 2871 } 2872 return 0; 2873 } 2874 2875 int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib) 2876 { 2877 int ret = 0; 2878 u32 idx = 0; 2879 struct radeon_cs_packet pkt; 2880 2881 do { 2882 pkt.idx = idx; 2883 pkt.type = CP_PACKET_GET_TYPE(ib->ptr[idx]); 2884 pkt.count = CP_PACKET_GET_COUNT(ib->ptr[idx]); 2885 pkt.one_reg_wr = 0; 2886 switch (pkt.type) { 2887 case PACKET_TYPE0: 2888 dev_err(rdev->dev, "Packet0 not allowed!\n"); 2889 ret = -EINVAL; 2890 break; 2891 case PACKET_TYPE2: 2892 idx += 1; 2893 break; 2894 case PACKET_TYPE3: 2895 pkt.opcode = CP_PACKET3_GET_OPCODE(ib->ptr[idx]); 2896 if (ib->is_const_ib) 2897 ret = si_vm_packet3_ce_check(rdev, ib->ptr, &pkt); 2898 else { 2899 switch (ib->ring) { 2900 case RADEON_RING_TYPE_GFX_INDEX: 2901 ret = si_vm_packet3_gfx_check(rdev, ib->ptr, &pkt); 2902 break; 2903 case CAYMAN_RING_TYPE_CP1_INDEX: 2904 case CAYMAN_RING_TYPE_CP2_INDEX: 2905 ret = si_vm_packet3_compute_check(rdev, ib->ptr, &pkt); 2906 break; 2907 default: 2908 dev_err(rdev->dev, "Non-PM4 ring %d !\n", ib->ring); 2909 ret = -EINVAL; 2910 break; 2911 } 2912 } 2913 idx += pkt.count + 2; 2914 break; 2915 default: 2916 dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type); 2917 ret = -EINVAL; 2918 break; 2919 } 2920 if (ret) 2921 break; 2922 } while (idx < ib->length_dw); 2923 2924 return ret; 2925 } 2926 2927 /* 2928 * vm 2929 */ 2930 int si_vm_init(struct radeon_device *rdev) 2931 { 2932 /* number of VMs */ 2933 rdev->vm_manager.nvm = 16; 2934 /* base offset of vram pages */ 2935 rdev->vm_manager.vram_base_offset = 0; 2936 2937 return 0; 2938 } 2939 2940 void si_vm_fini(struct radeon_device *rdev) 2941 { 2942 } 2943 2944 /** 2945 * si_vm_set_page - update the page tables using the CP 2946 * 2947 * @rdev: radeon_device pointer 2948 * @pe: addr of the page entry 2949 * @addr: dst addr to write into pe 2950 * @count: number of page entries to update 2951 * @incr: increase next addr by incr bytes 2952 * @flags: access flags 2953 * 2954 * Update the page tables using the CP (cayman-si). 2955 */ 2956 void si_vm_set_page(struct radeon_device *rdev, uint64_t pe, 2957 uint64_t addr, unsigned count, 2958 uint32_t incr, uint32_t flags) 2959 { 2960 struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index]; 2961 uint32_t r600_flags = cayman_vm_page_flags(rdev, flags); 2962 uint64_t value; 2963 unsigned ndw; 2964 2965 if (rdev->asic->vm.pt_ring_index == RADEON_RING_TYPE_GFX_INDEX) { 2966 while (count) { 2967 ndw = 2 + count * 2; 2968 if (ndw > 0x3FFE) 2969 ndw = 0x3FFE; 2970 2971 radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, ndw)); 2972 radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | 2973 WRITE_DATA_DST_SEL(1))); 2974 radeon_ring_write(ring, pe); 2975 radeon_ring_write(ring, upper_32_bits(pe)); 2976 for (; ndw > 2; ndw -= 2, --count, pe += 8) { 2977 if (flags & RADEON_VM_PAGE_SYSTEM) { 2978 value = radeon_vm_map_gart(rdev, addr); 2979 value &= 0xFFFFFFFFFFFFF000ULL; 2980 } else if (flags & RADEON_VM_PAGE_VALID) { 2981 value = addr; 2982 } else { 2983 value = 0; 2984 } 2985 addr += incr; 2986 value |= r600_flags; 2987 radeon_ring_write(ring, value); 2988 radeon_ring_write(ring, upper_32_bits(value)); 2989 } 2990 } 2991 } else { 2992 /* DMA */ 2993 if (flags & RADEON_VM_PAGE_SYSTEM) { 2994 while (count) { 2995 ndw = count * 2; 2996 if (ndw > 0xFFFFE) 2997 ndw = 0xFFFFE; 2998 2999 /* for non-physically contiguous pages (system) */ 3000 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 0, ndw)); 3001 radeon_ring_write(ring, pe); 3002 radeon_ring_write(ring, upper_32_bits(pe) & 0xff); 3003 for (; ndw > 0; ndw -= 2, --count, pe += 8) { 3004 if (flags & RADEON_VM_PAGE_SYSTEM) { 3005 value = radeon_vm_map_gart(rdev, addr); 3006 value &= 0xFFFFFFFFFFFFF000ULL; 3007 } else if (flags & RADEON_VM_PAGE_VALID) { 3008 value = addr; 3009 } else { 3010 value = 0; 3011 } 3012 addr += incr; 3013 value |= r600_flags; 3014 radeon_ring_write(ring, value); 3015 radeon_ring_write(ring, upper_32_bits(value)); 3016 } 3017 } 3018 } else { 3019 while (count) { 3020 ndw = count * 2; 3021 if (ndw > 0xFFFFE) 3022 ndw = 0xFFFFE; 3023 3024 if (flags & RADEON_VM_PAGE_VALID) 3025 value = addr; 3026 else 3027 value = 0; 3028 /* for physically contiguous pages (vram) */ 3029 radeon_ring_write(ring, DMA_PTE_PDE_PACKET(ndw)); 3030 radeon_ring_write(ring, pe); /* dst addr */ 3031 radeon_ring_write(ring, upper_32_bits(pe) & 0xff); 3032 radeon_ring_write(ring, r600_flags); /* mask */ 3033 radeon_ring_write(ring, 0); 3034 radeon_ring_write(ring, value); /* value */ 3035 radeon_ring_write(ring, upper_32_bits(value)); 3036 radeon_ring_write(ring, incr); /* increment size */ 3037 radeon_ring_write(ring, 0); 3038 pe += ndw * 4; 3039 addr += (ndw / 2) * incr; 3040 count -= ndw / 2; 3041 } 3042 } 3043 } 3044 } 3045 3046 void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) 3047 { 3048 struct radeon_ring *ring = &rdev->ring[ridx]; 3049 3050 if (vm == NULL) 3051 return; 3052 3053 /* write new base address */ 3054 radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); 3055 radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | 3056 WRITE_DATA_DST_SEL(0))); 3057 3058 if (vm->id < 8) { 3059 radeon_ring_write(ring, 3060 (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2); 3061 } else { 3062 radeon_ring_write(ring, 3063 (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm->id - 8) << 2)) >> 2); 3064 } 3065 radeon_ring_write(ring, 0); 3066 radeon_ring_write(ring, vm->pd_gpu_addr >> 12); 3067 3068 /* flush hdp cache */ 3069 radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); 3070 radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | 3071 WRITE_DATA_DST_SEL(0))); 3072 radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2); 3073 radeon_ring_write(ring, 0); 3074 radeon_ring_write(ring, 0x1); 3075 3076 /* bits 0-15 are the VM contexts0-15 */ 3077 radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); 3078 radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | 3079 WRITE_DATA_DST_SEL(0))); 3080 radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2); 3081 radeon_ring_write(ring, 0); 3082 radeon_ring_write(ring, 1 << vm->id); 3083 3084 /* sync PFP to ME, otherwise we might get invalid PFP reads */ 3085 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); 3086 radeon_ring_write(ring, 0x0); 3087 } 3088 3089 void si_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) 3090 { 3091 struct radeon_ring *ring = &rdev->ring[ridx]; 3092 3093 if (vm == NULL) 3094 return; 3095 3096 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0)); 3097 if (vm->id < 8) { 3098 radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2)); 3099 } else { 3100 radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm->id - 8) << 2)) >> 2)); 3101 } 3102 radeon_ring_write(ring, vm->pd_gpu_addr >> 12); 3103 3104 /* flush hdp cache */ 3105 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0)); 3106 radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2)); 3107 radeon_ring_write(ring, 1); 3108 3109 /* bits 0-7 are the VM contexts0-7 */ 3110 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0)); 3111 radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2)); 3112 radeon_ring_write(ring, 1 << vm->id); 3113 } 3114 3115 /* 3116 * RLC 3117 */ 3118 void si_rlc_fini(struct radeon_device *rdev) 3119 { 3120 int r; 3121 3122 /* save restore block */ 3123 if (rdev->rlc.save_restore_obj) { 3124 r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false); 3125 if (unlikely(r != 0)) 3126 dev_warn(rdev->dev, "(%d) reserve RLC sr bo failed\n", r); 3127 radeon_bo_unpin(rdev->rlc.save_restore_obj); 3128 radeon_bo_unreserve(rdev->rlc.save_restore_obj); 3129 3130 radeon_bo_unref(&rdev->rlc.save_restore_obj); 3131 rdev->rlc.save_restore_obj = NULL; 3132 } 3133 3134 /* clear state block */ 3135 if (rdev->rlc.clear_state_obj) { 3136 r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false); 3137 if (unlikely(r != 0)) 3138 dev_warn(rdev->dev, "(%d) reserve RLC c bo failed\n", r); 3139 radeon_bo_unpin(rdev->rlc.clear_state_obj); 3140 radeon_bo_unreserve(rdev->rlc.clear_state_obj); 3141 3142 radeon_bo_unref(&rdev->rlc.clear_state_obj); 3143 rdev->rlc.clear_state_obj = NULL; 3144 } 3145 } 3146 3147 int si_rlc_init(struct radeon_device *rdev) 3148 { 3149 int r; 3150 3151 /* save restore block */ 3152 if (rdev->rlc.save_restore_obj == NULL) { 3153 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true, 3154 RADEON_GEM_DOMAIN_VRAM, NULL, 3155 &rdev->rlc.save_restore_obj); 3156 if (r) { 3157 dev_warn(rdev->dev, "(%d) create RLC sr bo failed\n", r); 3158 return r; 3159 } 3160 } 3161 3162 r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false); 3163 if (unlikely(r != 0)) { 3164 si_rlc_fini(rdev); 3165 return r; 3166 } 3167 r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM, 3168 &rdev->rlc.save_restore_gpu_addr); 3169 radeon_bo_unreserve(rdev->rlc.save_restore_obj); 3170 if (r) { 3171 dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r); 3172 si_rlc_fini(rdev); 3173 return r; 3174 } 3175 3176 /* clear state block */ 3177 if (rdev->rlc.clear_state_obj == NULL) { 3178 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true, 3179 RADEON_GEM_DOMAIN_VRAM, NULL, 3180 &rdev->rlc.clear_state_obj); 3181 if (r) { 3182 dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r); 3183 si_rlc_fini(rdev); 3184 return r; 3185 } 3186 } 3187 r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false); 3188 if (unlikely(r != 0)) { 3189 si_rlc_fini(rdev); 3190 return r; 3191 } 3192 r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM, 3193 &rdev->rlc.clear_state_gpu_addr); 3194 radeon_bo_unreserve(rdev->rlc.clear_state_obj); 3195 if (r) { 3196 dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r); 3197 si_rlc_fini(rdev); 3198 return r; 3199 } 3200 3201 return 0; 3202 } 3203 3204 static void si_rlc_stop(struct radeon_device *rdev) 3205 { 3206 WREG32(RLC_CNTL, 0); 3207 } 3208 3209 static void si_rlc_start(struct radeon_device *rdev) 3210 { 3211 WREG32(RLC_CNTL, RLC_ENABLE); 3212 } 3213 3214 static int si_rlc_resume(struct radeon_device *rdev) 3215 { 3216 u32 i; 3217 const __be32 *fw_data; 3218 3219 if (!rdev->rlc_fw) 3220 return -EINVAL; 3221 3222 si_rlc_stop(rdev); 3223 3224 WREG32(RLC_RL_BASE, 0); 3225 WREG32(RLC_RL_SIZE, 0); 3226 WREG32(RLC_LB_CNTL, 0); 3227 WREG32(RLC_LB_CNTR_MAX, 0xffffffff); 3228 WREG32(RLC_LB_CNTR_INIT, 0); 3229 3230 WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8); 3231 WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8); 3232 3233 WREG32(RLC_MC_CNTL, 0); 3234 WREG32(RLC_UCODE_CNTL, 0); 3235 3236 fw_data = (const __be32 *)rdev->rlc_fw->data; 3237 for (i = 0; i < SI_RLC_UCODE_SIZE; i++) { 3238 WREG32(RLC_UCODE_ADDR, i); 3239 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3240 } 3241 WREG32(RLC_UCODE_ADDR, 0); 3242 3243 si_rlc_start(rdev); 3244 3245 return 0; 3246 } 3247 3248 static void si_enable_interrupts(struct radeon_device *rdev) 3249 { 3250 u32 ih_cntl = RREG32(IH_CNTL); 3251 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3252 3253 ih_cntl |= ENABLE_INTR; 3254 ih_rb_cntl |= IH_RB_ENABLE; 3255 WREG32(IH_CNTL, ih_cntl); 3256 WREG32(IH_RB_CNTL, ih_rb_cntl); 3257 rdev->ih.enabled = true; 3258 } 3259 3260 static void si_disable_interrupts(struct radeon_device *rdev) 3261 { 3262 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3263 u32 ih_cntl = RREG32(IH_CNTL); 3264 3265 ih_rb_cntl &= ~IH_RB_ENABLE; 3266 ih_cntl &= ~ENABLE_INTR; 3267 WREG32(IH_RB_CNTL, ih_rb_cntl); 3268 WREG32(IH_CNTL, ih_cntl); 3269 /* set rptr, wptr to 0 */ 3270 WREG32(IH_RB_RPTR, 0); 3271 WREG32(IH_RB_WPTR, 0); 3272 rdev->ih.enabled = false; 3273 rdev->ih.rptr = 0; 3274 } 3275 3276 static void si_disable_interrupt_state(struct radeon_device *rdev) 3277 { 3278 u32 tmp; 3279 3280 WREG32(CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 3281 WREG32(CP_INT_CNTL_RING1, 0); 3282 WREG32(CP_INT_CNTL_RING2, 0); 3283 tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE; 3284 WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp); 3285 tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE; 3286 WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp); 3287 WREG32(GRBM_INT_CNTL, 0); 3288 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); 3289 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); 3290 if (rdev->num_crtc >= 4) { 3291 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); 3292 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); 3293 } 3294 if (rdev->num_crtc >= 6) { 3295 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); 3296 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); 3297 } 3298 3299 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); 3300 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); 3301 if (rdev->num_crtc >= 4) { 3302 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); 3303 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); 3304 } 3305 if (rdev->num_crtc >= 6) { 3306 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); 3307 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); 3308 } 3309 3310 WREG32(DACA_AUTODETECT_INT_CONTROL, 0); 3311 3312 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3313 WREG32(DC_HPD1_INT_CONTROL, tmp); 3314 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3315 WREG32(DC_HPD2_INT_CONTROL, tmp); 3316 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3317 WREG32(DC_HPD3_INT_CONTROL, tmp); 3318 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3319 WREG32(DC_HPD4_INT_CONTROL, tmp); 3320 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3321 WREG32(DC_HPD5_INT_CONTROL, tmp); 3322 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3323 WREG32(DC_HPD6_INT_CONTROL, tmp); 3324 3325 } 3326 3327 static int si_irq_init(struct radeon_device *rdev) 3328 { 3329 int ret = 0; 3330 int rb_bufsz; 3331 u32 interrupt_cntl, ih_cntl, ih_rb_cntl; 3332 3333 /* allocate ring */ 3334 ret = r600_ih_ring_alloc(rdev); 3335 if (ret) 3336 return ret; 3337 3338 /* disable irqs */ 3339 si_disable_interrupts(rdev); 3340 3341 /* init rlc */ 3342 ret = si_rlc_resume(rdev); 3343 if (ret) { 3344 r600_ih_ring_fini(rdev); 3345 return ret; 3346 } 3347 3348 /* setup interrupt control */ 3349 /* set dummy read address to ring address */ 3350 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8); 3351 interrupt_cntl = RREG32(INTERRUPT_CNTL); 3352 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi 3353 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN 3354 */ 3355 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; 3356 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ 3357 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; 3358 WREG32(INTERRUPT_CNTL, interrupt_cntl); 3359 3360 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); 3361 rb_bufsz = drm_order(rdev->ih.ring_size / 4); 3362 3363 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | 3364 IH_WPTR_OVERFLOW_CLEAR | 3365 (rb_bufsz << 1)); 3366 3367 if (rdev->wb.enabled) 3368 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE; 3369 3370 /* set the writeback address whether it's enabled or not */ 3371 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC); 3372 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF); 3373 3374 WREG32(IH_RB_CNTL, ih_rb_cntl); 3375 3376 /* set rptr, wptr to 0 */ 3377 WREG32(IH_RB_RPTR, 0); 3378 WREG32(IH_RB_WPTR, 0); 3379 3380 /* Default settings for IH_CNTL (disabled at first) */ 3381 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10) | MC_VMID(0); 3382 /* RPTR_REARM only works if msi's are enabled */ 3383 if (rdev->msi_enabled) 3384 ih_cntl |= RPTR_REARM; 3385 WREG32(IH_CNTL, ih_cntl); 3386 3387 /* force the active interrupt state to all disabled */ 3388 si_disable_interrupt_state(rdev); 3389 3390 pci_enable_busmaster(rdev->dev); 3391 3392 /* enable irqs */ 3393 si_enable_interrupts(rdev); 3394 3395 return ret; 3396 } 3397 3398 int si_irq_set(struct radeon_device *rdev) 3399 { 3400 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; 3401 u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0; 3402 u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0; 3403 u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6; 3404 u32 grbm_int_cntl = 0; 3405 u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0; 3406 u32 dma_cntl, dma_cntl1; 3407 3408 if (!rdev->irq.installed) { 3409 DRM_ERROR("Can't enable IRQ/MSI because no handler is installed\n"); 3410 return -EINVAL; 3411 } 3412 /* don't enable anything if the ih is disabled */ 3413 if (!rdev->ih.enabled) { 3414 si_disable_interrupts(rdev); 3415 /* force the active interrupt state to all disabled */ 3416 si_disable_interrupt_state(rdev); 3417 return 0; 3418 } 3419 3420 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3421 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3422 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3423 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; 3424 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; 3425 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; 3426 3427 dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE; 3428 dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE; 3429 3430 /* enable CP interrupts on all rings */ 3431 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 3432 DRM_DEBUG("si_irq_set: sw int gfx\n"); 3433 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 3434 } 3435 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) { 3436 DRM_DEBUG("si_irq_set: sw int cp1\n"); 3437 cp_int_cntl1 |= TIME_STAMP_INT_ENABLE; 3438 } 3439 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) { 3440 DRM_DEBUG("si_irq_set: sw int cp2\n"); 3441 cp_int_cntl2 |= TIME_STAMP_INT_ENABLE; 3442 } 3443 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) { 3444 DRM_DEBUG("si_irq_set: sw int dma\n"); 3445 dma_cntl |= TRAP_ENABLE; 3446 } 3447 3448 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) { 3449 DRM_DEBUG("si_irq_set: sw int dma1\n"); 3450 dma_cntl1 |= TRAP_ENABLE; 3451 } 3452 if (rdev->irq.crtc_vblank_int[0] || 3453 atomic_read(&rdev->irq.pflip[0])) { 3454 DRM_DEBUG("si_irq_set: vblank 0\n"); 3455 crtc1 |= VBLANK_INT_MASK; 3456 } 3457 if (rdev->irq.crtc_vblank_int[1] || 3458 atomic_read(&rdev->irq.pflip[1])) { 3459 DRM_DEBUG("si_irq_set: vblank 1\n"); 3460 crtc2 |= VBLANK_INT_MASK; 3461 } 3462 if (rdev->irq.crtc_vblank_int[2] || 3463 atomic_read(&rdev->irq.pflip[2])) { 3464 DRM_DEBUG("si_irq_set: vblank 2\n"); 3465 crtc3 |= VBLANK_INT_MASK; 3466 } 3467 if (rdev->irq.crtc_vblank_int[3] || 3468 atomic_read(&rdev->irq.pflip[3])) { 3469 DRM_DEBUG("si_irq_set: vblank 3\n"); 3470 crtc4 |= VBLANK_INT_MASK; 3471 } 3472 if (rdev->irq.crtc_vblank_int[4] || 3473 atomic_read(&rdev->irq.pflip[4])) { 3474 DRM_DEBUG("si_irq_set: vblank 4\n"); 3475 crtc5 |= VBLANK_INT_MASK; 3476 } 3477 if (rdev->irq.crtc_vblank_int[5] || 3478 atomic_read(&rdev->irq.pflip[5])) { 3479 DRM_DEBUG("si_irq_set: vblank 5\n"); 3480 crtc6 |= VBLANK_INT_MASK; 3481 } 3482 if (rdev->irq.hpd[0]) { 3483 DRM_DEBUG("si_irq_set: hpd 1\n"); 3484 hpd1 |= DC_HPDx_INT_EN; 3485 } 3486 if (rdev->irq.hpd[1]) { 3487 DRM_DEBUG("si_irq_set: hpd 2\n"); 3488 hpd2 |= DC_HPDx_INT_EN; 3489 } 3490 if (rdev->irq.hpd[2]) { 3491 DRM_DEBUG("si_irq_set: hpd 3\n"); 3492 hpd3 |= DC_HPDx_INT_EN; 3493 } 3494 if (rdev->irq.hpd[3]) { 3495 DRM_DEBUG("si_irq_set: hpd 4\n"); 3496 hpd4 |= DC_HPDx_INT_EN; 3497 } 3498 if (rdev->irq.hpd[4]) { 3499 DRM_DEBUG("si_irq_set: hpd 5\n"); 3500 hpd5 |= DC_HPDx_INT_EN; 3501 } 3502 if (rdev->irq.hpd[5]) { 3503 DRM_DEBUG("si_irq_set: hpd 6\n"); 3504 hpd6 |= DC_HPDx_INT_EN; 3505 } 3506 3507 WREG32(CP_INT_CNTL_RING0, cp_int_cntl); 3508 WREG32(CP_INT_CNTL_RING1, cp_int_cntl1); 3509 WREG32(CP_INT_CNTL_RING2, cp_int_cntl2); 3510 3511 WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl); 3512 WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1); 3513 3514 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 3515 3516 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1); 3517 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2); 3518 if (rdev->num_crtc >= 4) { 3519 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3); 3520 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4); 3521 } 3522 if (rdev->num_crtc >= 6) { 3523 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5); 3524 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6); 3525 } 3526 3527 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1); 3528 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2); 3529 if (rdev->num_crtc >= 4) { 3530 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3); 3531 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4); 3532 } 3533 if (rdev->num_crtc >= 6) { 3534 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5); 3535 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6); 3536 } 3537 3538 WREG32(DC_HPD1_INT_CONTROL, hpd1); 3539 WREG32(DC_HPD2_INT_CONTROL, hpd2); 3540 WREG32(DC_HPD3_INT_CONTROL, hpd3); 3541 WREG32(DC_HPD4_INT_CONTROL, hpd4); 3542 WREG32(DC_HPD5_INT_CONTROL, hpd5); 3543 WREG32(DC_HPD6_INT_CONTROL, hpd6); 3544 3545 return 0; 3546 } 3547 3548 static inline void si_irq_ack(struct radeon_device *rdev) 3549 { 3550 u32 tmp; 3551 3552 rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS); 3553 rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 3554 rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2); 3555 rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3); 3556 rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4); 3557 rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5); 3558 rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); 3559 rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); 3560 if (rdev->num_crtc >= 4) { 3561 rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); 3562 rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); 3563 } 3564 if (rdev->num_crtc >= 6) { 3565 rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); 3566 rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); 3567 } 3568 3569 if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED) 3570 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 3571 if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED) 3572 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 3573 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) 3574 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK); 3575 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) 3576 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK); 3577 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) 3578 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK); 3579 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) 3580 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK); 3581 3582 if (rdev->num_crtc >= 4) { 3583 if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED) 3584 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 3585 if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED) 3586 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 3587 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) 3588 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK); 3589 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) 3590 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK); 3591 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) 3592 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK); 3593 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) 3594 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK); 3595 } 3596 3597 if (rdev->num_crtc >= 6) { 3598 if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED) 3599 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 3600 if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED) 3601 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 3602 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) 3603 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK); 3604 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) 3605 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK); 3606 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) 3607 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK); 3608 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) 3609 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK); 3610 } 3611 3612 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { 3613 tmp = RREG32(DC_HPD1_INT_CONTROL); 3614 tmp |= DC_HPDx_INT_ACK; 3615 WREG32(DC_HPD1_INT_CONTROL, tmp); 3616 } 3617 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { 3618 tmp = RREG32(DC_HPD2_INT_CONTROL); 3619 tmp |= DC_HPDx_INT_ACK; 3620 WREG32(DC_HPD2_INT_CONTROL, tmp); 3621 } 3622 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { 3623 tmp = RREG32(DC_HPD3_INT_CONTROL); 3624 tmp |= DC_HPDx_INT_ACK; 3625 WREG32(DC_HPD3_INT_CONTROL, tmp); 3626 } 3627 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { 3628 tmp = RREG32(DC_HPD4_INT_CONTROL); 3629 tmp |= DC_HPDx_INT_ACK; 3630 WREG32(DC_HPD4_INT_CONTROL, tmp); 3631 } 3632 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { 3633 tmp = RREG32(DC_HPD5_INT_CONTROL); 3634 tmp |= DC_HPDx_INT_ACK; 3635 WREG32(DC_HPD5_INT_CONTROL, tmp); 3636 } 3637 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { 3638 tmp = RREG32(DC_HPD5_INT_CONTROL); 3639 tmp |= DC_HPDx_INT_ACK; 3640 WREG32(DC_HPD6_INT_CONTROL, tmp); 3641 } 3642 } 3643 3644 static void si_irq_disable(struct radeon_device *rdev) 3645 { 3646 si_disable_interrupts(rdev); 3647 /* Wait and acknowledge irq */ 3648 DRM_MDELAY(1); 3649 si_irq_ack(rdev); 3650 si_disable_interrupt_state(rdev); 3651 } 3652 3653 static void si_irq_suspend(struct radeon_device *rdev) 3654 { 3655 si_irq_disable(rdev); 3656 si_rlc_stop(rdev); 3657 } 3658 3659 static void si_irq_fini(struct radeon_device *rdev) 3660 { 3661 si_irq_suspend(rdev); 3662 r600_ih_ring_fini(rdev); 3663 } 3664 3665 static inline u32 si_get_ih_wptr(struct radeon_device *rdev) 3666 { 3667 u32 wptr, tmp; 3668 3669 if (rdev->wb.enabled) 3670 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); 3671 else 3672 wptr = RREG32(IH_RB_WPTR); 3673 3674 if (wptr & RB_OVERFLOW) { 3675 /* When a ring buffer overflow happen start parsing interrupt 3676 * from the last not overwritten vector (wptr + 16). Hopefully 3677 * this should allow us to catchup. 3678 */ 3679 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", 3680 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); 3681 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; 3682 tmp = RREG32(IH_RB_CNTL); 3683 tmp |= IH_WPTR_OVERFLOW_CLEAR; 3684 WREG32(IH_RB_CNTL, tmp); 3685 } 3686 return (wptr & rdev->ih.ptr_mask); 3687 } 3688 3689 /* SI IV Ring 3690 * Each IV ring entry is 128 bits: 3691 * [7:0] - interrupt source id 3692 * [31:8] - reserved 3693 * [59:32] - interrupt source data 3694 * [63:60] - reserved 3695 * [71:64] - RINGID 3696 * [79:72] - VMID 3697 * [127:80] - reserved 3698 */ 3699 irqreturn_t si_irq_process(struct radeon_device *rdev) 3700 { 3701 u32 wptr; 3702 u32 rptr; 3703 u32 src_id, src_data, ring_id; 3704 u32 ring_index; 3705 bool queue_hotplug = false; 3706 3707 if (!rdev->ih.enabled || rdev->shutdown) 3708 return IRQ_NONE; 3709 3710 wptr = si_get_ih_wptr(rdev); 3711 3712 restart_ih: 3713 /* is somebody else already processing irqs? */ 3714 if (atomic_xchg(&rdev->ih.lock, 1)) 3715 return IRQ_NONE; 3716 3717 rptr = rdev->ih.rptr; 3718 DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 3719 3720 /* Order reading of wptr vs. reading of IH ring data */ 3721 cpu_lfence(); 3722 3723 /* display interrupts */ 3724 si_irq_ack(rdev); 3725 3726 while (rptr != wptr) { 3727 /* wptr/rptr are in bytes! */ 3728 ring_index = rptr / 4; 3729 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 3730 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 3731 ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff; 3732 3733 switch (src_id) { 3734 case 1: /* D1 vblank/vline */ 3735 switch (src_data) { 3736 case 0: /* D1 vblank */ 3737 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) { 3738 if (rdev->irq.crtc_vblank_int[0]) { 3739 drm_handle_vblank(rdev->ddev, 0); 3740 rdev->pm.vblank_sync = true; 3741 DRM_WAKEUP(&rdev->irq.vblank_queue); 3742 } 3743 if (atomic_read(&rdev->irq.pflip[0])) 3744 radeon_crtc_handle_flip(rdev, 0); 3745 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT; 3746 DRM_DEBUG("IH: D1 vblank\n"); 3747 } 3748 break; 3749 case 1: /* D1 vline */ 3750 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) { 3751 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT; 3752 DRM_DEBUG("IH: D1 vline\n"); 3753 } 3754 break; 3755 default: 3756 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3757 break; 3758 } 3759 break; 3760 case 2: /* D2 vblank/vline */ 3761 switch (src_data) { 3762 case 0: /* D2 vblank */ 3763 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) { 3764 if (rdev->irq.crtc_vblank_int[1]) { 3765 drm_handle_vblank(rdev->ddev, 1); 3766 rdev->pm.vblank_sync = true; 3767 DRM_WAKEUP(&rdev->irq.vblank_queue); 3768 } 3769 if (atomic_read(&rdev->irq.pflip[1])) 3770 radeon_crtc_handle_flip(rdev, 1); 3771 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; 3772 DRM_DEBUG("IH: D2 vblank\n"); 3773 } 3774 break; 3775 case 1: /* D2 vline */ 3776 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) { 3777 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; 3778 DRM_DEBUG("IH: D2 vline\n"); 3779 } 3780 break; 3781 default: 3782 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3783 break; 3784 } 3785 break; 3786 case 3: /* D3 vblank/vline */ 3787 switch (src_data) { 3788 case 0: /* D3 vblank */ 3789 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { 3790 if (rdev->irq.crtc_vblank_int[2]) { 3791 drm_handle_vblank(rdev->ddev, 2); 3792 rdev->pm.vblank_sync = true; 3793 DRM_WAKEUP(&rdev->irq.vblank_queue); 3794 } 3795 if (atomic_read(&rdev->irq.pflip[2])) 3796 radeon_crtc_handle_flip(rdev, 2); 3797 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; 3798 DRM_DEBUG("IH: D3 vblank\n"); 3799 } 3800 break; 3801 case 1: /* D3 vline */ 3802 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) { 3803 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; 3804 DRM_DEBUG("IH: D3 vline\n"); 3805 } 3806 break; 3807 default: 3808 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3809 break; 3810 } 3811 break; 3812 case 4: /* D4 vblank/vline */ 3813 switch (src_data) { 3814 case 0: /* D4 vblank */ 3815 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { 3816 if (rdev->irq.crtc_vblank_int[3]) { 3817 drm_handle_vblank(rdev->ddev, 3); 3818 rdev->pm.vblank_sync = true; 3819 DRM_WAKEUP(&rdev->irq.vblank_queue); 3820 } 3821 if (atomic_read(&rdev->irq.pflip[3])) 3822 radeon_crtc_handle_flip(rdev, 3); 3823 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; 3824 DRM_DEBUG("IH: D4 vblank\n"); 3825 } 3826 break; 3827 case 1: /* D4 vline */ 3828 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) { 3829 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; 3830 DRM_DEBUG("IH: D4 vline\n"); 3831 } 3832 break; 3833 default: 3834 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3835 break; 3836 } 3837 break; 3838 case 5: /* D5 vblank/vline */ 3839 switch (src_data) { 3840 case 0: /* D5 vblank */ 3841 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { 3842 if (rdev->irq.crtc_vblank_int[4]) { 3843 drm_handle_vblank(rdev->ddev, 4); 3844 rdev->pm.vblank_sync = true; 3845 DRM_WAKEUP(&rdev->irq.vblank_queue); 3846 } 3847 if (atomic_read(&rdev->irq.pflip[4])) 3848 radeon_crtc_handle_flip(rdev, 4); 3849 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; 3850 DRM_DEBUG("IH: D5 vblank\n"); 3851 } 3852 break; 3853 case 1: /* D5 vline */ 3854 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) { 3855 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; 3856 DRM_DEBUG("IH: D5 vline\n"); 3857 } 3858 break; 3859 default: 3860 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3861 break; 3862 } 3863 break; 3864 case 6: /* D6 vblank/vline */ 3865 switch (src_data) { 3866 case 0: /* D6 vblank */ 3867 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { 3868 if (rdev->irq.crtc_vblank_int[5]) { 3869 drm_handle_vblank(rdev->ddev, 5); 3870 rdev->pm.vblank_sync = true; 3871 DRM_WAKEUP(&rdev->irq.vblank_queue); 3872 } 3873 if (atomic_read(&rdev->irq.pflip[5])) 3874 radeon_crtc_handle_flip(rdev, 5); 3875 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; 3876 DRM_DEBUG("IH: D6 vblank\n"); 3877 } 3878 break; 3879 case 1: /* D6 vline */ 3880 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) { 3881 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; 3882 DRM_DEBUG("IH: D6 vline\n"); 3883 } 3884 break; 3885 default: 3886 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3887 break; 3888 } 3889 break; 3890 case 42: /* HPD hotplug */ 3891 switch (src_data) { 3892 case 0: 3893 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { 3894 rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT; 3895 queue_hotplug = true; 3896 DRM_DEBUG("IH: HPD1\n"); 3897 } 3898 break; 3899 case 1: 3900 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { 3901 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT; 3902 queue_hotplug = true; 3903 DRM_DEBUG("IH: HPD2\n"); 3904 } 3905 break; 3906 case 2: 3907 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { 3908 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; 3909 queue_hotplug = true; 3910 DRM_DEBUG("IH: HPD3\n"); 3911 } 3912 break; 3913 case 3: 3914 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { 3915 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; 3916 queue_hotplug = true; 3917 DRM_DEBUG("IH: HPD4\n"); 3918 } 3919 break; 3920 case 4: 3921 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { 3922 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; 3923 queue_hotplug = true; 3924 DRM_DEBUG("IH: HPD5\n"); 3925 } 3926 break; 3927 case 5: 3928 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { 3929 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; 3930 queue_hotplug = true; 3931 DRM_DEBUG("IH: HPD6\n"); 3932 } 3933 break; 3934 default: 3935 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3936 break; 3937 } 3938 break; 3939 case 146: 3940 case 147: 3941 dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data); 3942 dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 3943 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR)); 3944 dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 3945 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); 3946 /* reset addr and status */ 3947 WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); 3948 break; 3949 case 176: /* RINGID0 CP_INT */ 3950 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 3951 break; 3952 case 177: /* RINGID1 CP_INT */ 3953 radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX); 3954 break; 3955 case 178: /* RINGID2 CP_INT */ 3956 radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX); 3957 break; 3958 case 181: /* CP EOP event */ 3959 DRM_DEBUG("IH: CP EOP\n"); 3960 switch (ring_id) { 3961 case 0: 3962 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 3963 break; 3964 case 1: 3965 radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX); 3966 break; 3967 case 2: 3968 radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX); 3969 break; 3970 } 3971 break; 3972 case 224: /* DMA trap event */ 3973 DRM_DEBUG("IH: DMA trap\n"); 3974 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX); 3975 break; 3976 case 233: /* GUI IDLE */ 3977 DRM_DEBUG("IH: GUI idle\n"); 3978 break; 3979 case 244: /* DMA trap event */ 3980 DRM_DEBUG("IH: DMA1 trap\n"); 3981 radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX); 3982 break; 3983 default: 3984 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3985 break; 3986 } 3987 3988 /* wptr/rptr are in bytes! */ 3989 rptr += 16; 3990 rptr &= rdev->ih.ptr_mask; 3991 } 3992 if (queue_hotplug) 3993 taskqueue_enqueue(rdev->tq, &rdev->hotplug_work); 3994 rdev->ih.rptr = rptr; 3995 WREG32(IH_RB_RPTR, rdev->ih.rptr); 3996 atomic_set(&rdev->ih.lock, 0); 3997 3998 /* make sure wptr hasn't changed while processing */ 3999 wptr = si_get_ih_wptr(rdev); 4000 if (wptr != rptr) 4001 goto restart_ih; 4002 4003 return IRQ_HANDLED; 4004 } 4005 4006 /** 4007 * si_copy_dma - copy pages using the DMA engine 4008 * 4009 * @rdev: radeon_device pointer 4010 * @src_offset: src GPU address 4011 * @dst_offset: dst GPU address 4012 * @num_gpu_pages: number of GPU pages to xfer 4013 * @fence: radeon fence object 4014 * 4015 * Copy GPU paging using the DMA engine (SI). 4016 * Used by the radeon ttm implementation to move pages if 4017 * registered as the asic copy callback. 4018 */ 4019 int si_copy_dma(struct radeon_device *rdev, 4020 uint64_t src_offset, uint64_t dst_offset, 4021 unsigned num_gpu_pages, 4022 struct radeon_fence **fence) 4023 { 4024 struct radeon_semaphore *sem = NULL; 4025 int ring_index = rdev->asic->copy.dma_ring_index; 4026 struct radeon_ring *ring = &rdev->ring[ring_index]; 4027 u32 size_in_bytes, cur_size_in_bytes; 4028 int i, num_loops; 4029 int r = 0; 4030 4031 r = radeon_semaphore_create(rdev, &sem); 4032 if (r) { 4033 DRM_ERROR("radeon: moving bo (%d).\n", r); 4034 return r; 4035 } 4036 4037 size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT); 4038 num_loops = DIV_ROUND_UP(size_in_bytes, 0xfffff); 4039 r = radeon_ring_lock(rdev, ring, num_loops * 5 + 11); 4040 if (r) { 4041 DRM_ERROR("radeon: moving bo (%d).\n", r); 4042 radeon_semaphore_free(rdev, &sem, NULL); 4043 return r; 4044 } 4045 4046 if (radeon_fence_need_sync(*fence, ring->idx)) { 4047 radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring, 4048 ring->idx); 4049 radeon_fence_note_sync(*fence, ring->idx); 4050 } else { 4051 radeon_semaphore_free(rdev, &sem, NULL); 4052 } 4053 4054 for (i = 0; i < num_loops; i++) { 4055 cur_size_in_bytes = size_in_bytes; 4056 if (cur_size_in_bytes > 0xFFFFF) 4057 cur_size_in_bytes = 0xFFFFF; 4058 size_in_bytes -= cur_size_in_bytes; 4059 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 1, 0, 0, cur_size_in_bytes)); 4060 radeon_ring_write(ring, dst_offset & 0xffffffff); 4061 radeon_ring_write(ring, src_offset & 0xffffffff); 4062 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); 4063 radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff); 4064 src_offset += cur_size_in_bytes; 4065 dst_offset += cur_size_in_bytes; 4066 } 4067 4068 r = radeon_fence_emit(rdev, fence, ring->idx); 4069 if (r) { 4070 radeon_ring_unlock_undo(rdev, ring); 4071 return r; 4072 } 4073 4074 radeon_ring_unlock_commit(rdev, ring); 4075 radeon_semaphore_free(rdev, &sem, *fence); 4076 4077 return r; 4078 } 4079 4080 /* 4081 * startup/shutdown callbacks 4082 */ 4083 static int si_startup(struct radeon_device *rdev) 4084 { 4085 struct radeon_ring *ring; 4086 int r; 4087 4088 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw || 4089 !rdev->rlc_fw || !rdev->mc_fw) { 4090 r = si_init_microcode(rdev); 4091 if (r) { 4092 DRM_ERROR("Failed to load firmware!\n"); 4093 return r; 4094 } 4095 } 4096 4097 r = si_mc_load_microcode(rdev); 4098 if (r) { 4099 DRM_ERROR("Failed to load MC firmware!\n"); 4100 return r; 4101 } 4102 4103 r = r600_vram_scratch_init(rdev); 4104 if (r) 4105 return r; 4106 4107 si_mc_program(rdev); 4108 r = si_pcie_gart_enable(rdev); 4109 if (r) 4110 return r; 4111 si_gpu_init(rdev); 4112 4113 #if 0 4114 r = evergreen_blit_init(rdev); 4115 if (r) { 4116 r600_blit_fini(rdev); 4117 rdev->asic->copy = NULL; 4118 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); 4119 } 4120 #endif 4121 /* allocate rlc buffers */ 4122 r = si_rlc_init(rdev); 4123 if (r) { 4124 DRM_ERROR("Failed to init rlc BOs!\n"); 4125 return r; 4126 } 4127 4128 /* allocate wb buffer */ 4129 r = radeon_wb_init(rdev); 4130 if (r) 4131 return r; 4132 4133 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 4134 if (r) { 4135 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 4136 return r; 4137 } 4138 4139 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX); 4140 if (r) { 4141 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 4142 return r; 4143 } 4144 4145 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX); 4146 if (r) { 4147 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 4148 return r; 4149 } 4150 4151 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX); 4152 if (r) { 4153 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); 4154 return r; 4155 } 4156 4157 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX); 4158 if (r) { 4159 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); 4160 return r; 4161 } 4162 4163 /* Enable IRQ */ 4164 r = si_irq_init(rdev); 4165 if (r) { 4166 DRM_ERROR("radeon: IH init failed (%d).\n", r); 4167 radeon_irq_kms_fini(rdev); 4168 return r; 4169 } 4170 si_irq_set(rdev); 4171 4172 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 4173 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 4174 CP_RB0_RPTR, CP_RB0_WPTR, 4175 0, 0xfffff, RADEON_CP_PACKET2); 4176 if (r) 4177 return r; 4178 4179 ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]; 4180 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET, 4181 CP_RB1_RPTR, CP_RB1_WPTR, 4182 0, 0xfffff, RADEON_CP_PACKET2); 4183 if (r) 4184 return r; 4185 4186 ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]; 4187 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET, 4188 CP_RB2_RPTR, CP_RB2_WPTR, 4189 0, 0xfffff, RADEON_CP_PACKET2); 4190 if (r) 4191 return r; 4192 4193 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; 4194 r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, 4195 DMA_RB_RPTR + DMA0_REGISTER_OFFSET, 4196 DMA_RB_WPTR + DMA0_REGISTER_OFFSET, 4197 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0)); 4198 if (r) 4199 return r; 4200 4201 ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; 4202 r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET, 4203 DMA_RB_RPTR + DMA1_REGISTER_OFFSET, 4204 DMA_RB_WPTR + DMA1_REGISTER_OFFSET, 4205 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0)); 4206 if (r) 4207 return r; 4208 4209 r = si_cp_load_microcode(rdev); 4210 if (r) 4211 return r; 4212 r = si_cp_resume(rdev); 4213 if (r) 4214 return r; 4215 4216 r = cayman_dma_resume(rdev); 4217 if (r) 4218 return r; 4219 4220 r = radeon_ib_pool_init(rdev); 4221 if (r) { 4222 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 4223 return r; 4224 } 4225 4226 r = radeon_vm_manager_init(rdev); 4227 if (r) { 4228 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r); 4229 return r; 4230 } 4231 4232 return 0; 4233 } 4234 4235 int si_resume(struct radeon_device *rdev) 4236 { 4237 int r; 4238 4239 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, 4240 * posting will perform necessary task to bring back GPU into good 4241 * shape. 4242 */ 4243 /* post card */ 4244 atom_asic_init(rdev->mode_info.atom_context); 4245 4246 rdev->accel_working = true; 4247 r = si_startup(rdev); 4248 if (r) { 4249 DRM_ERROR("si startup failed on resume\n"); 4250 rdev->accel_working = false; 4251 return r; 4252 } 4253 4254 return r; 4255 4256 } 4257 4258 int si_suspend(struct radeon_device *rdev) 4259 { 4260 si_cp_enable(rdev, false); 4261 cayman_dma_stop(rdev); 4262 si_irq_suspend(rdev); 4263 radeon_wb_disable(rdev); 4264 si_pcie_gart_disable(rdev); 4265 return 0; 4266 } 4267 4268 /* Plan is to move initialization in that function and use 4269 * helper function so that radeon_device_init pretty much 4270 * do nothing more than calling asic specific function. This 4271 * should also allow to remove a bunch of callback function 4272 * like vram_info. 4273 */ 4274 int si_init(struct radeon_device *rdev) 4275 { 4276 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 4277 int r; 4278 4279 /* Read BIOS */ 4280 if (!radeon_get_bios(rdev)) { 4281 if (ASIC_IS_AVIVO(rdev)) 4282 return -EINVAL; 4283 } 4284 /* Must be an ATOMBIOS */ 4285 if (!rdev->is_atom_bios) { 4286 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n"); 4287 return -EINVAL; 4288 } 4289 r = radeon_atombios_init(rdev); 4290 if (r) 4291 return r; 4292 4293 /* Post card if necessary */ 4294 if (!radeon_card_posted(rdev)) { 4295 if (!rdev->bios) { 4296 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 4297 return -EINVAL; 4298 } 4299 DRM_INFO("GPU not posted. posting now...\n"); 4300 atom_asic_init(rdev->mode_info.atom_context); 4301 } 4302 /* Initialize scratch registers */ 4303 si_scratch_init(rdev); 4304 /* Initialize surface registers */ 4305 radeon_surface_init(rdev); 4306 /* Initialize clocks */ 4307 radeon_get_clock_info(rdev->ddev); 4308 4309 /* Fence driver */ 4310 r = radeon_fence_driver_init(rdev); 4311 if (r) 4312 return r; 4313 4314 /* initialize memory controller */ 4315 r = si_mc_init(rdev); 4316 if (r) 4317 return r; 4318 /* Memory manager */ 4319 r = radeon_bo_init(rdev); 4320 if (r) 4321 return r; 4322 4323 r = radeon_irq_kms_init(rdev); 4324 if (r) 4325 return r; 4326 4327 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 4328 ring->ring_obj = NULL; 4329 r600_ring_init(rdev, ring, 1024 * 1024); 4330 4331 ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]; 4332 ring->ring_obj = NULL; 4333 r600_ring_init(rdev, ring, 1024 * 1024); 4334 4335 ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]; 4336 ring->ring_obj = NULL; 4337 r600_ring_init(rdev, ring, 1024 * 1024); 4338 4339 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; 4340 ring->ring_obj = NULL; 4341 r600_ring_init(rdev, ring, 64 * 1024); 4342 4343 ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; 4344 ring->ring_obj = NULL; 4345 r600_ring_init(rdev, ring, 64 * 1024); 4346 4347 rdev->ih.ring_obj = NULL; 4348 r600_ih_ring_init(rdev, 64 * 1024); 4349 4350 r = r600_pcie_gart_init(rdev); 4351 if (r) 4352 return r; 4353 4354 rdev->accel_working = true; 4355 r = si_startup(rdev); 4356 if (r) { 4357 dev_err(rdev->dev, "disabling GPU acceleration\n"); 4358 si_cp_fini(rdev); 4359 cayman_dma_fini(rdev); 4360 si_irq_fini(rdev); 4361 si_rlc_fini(rdev); 4362 radeon_wb_fini(rdev); 4363 radeon_ib_pool_fini(rdev); 4364 radeon_vm_manager_fini(rdev); 4365 radeon_irq_kms_fini(rdev); 4366 si_pcie_gart_fini(rdev); 4367 rdev->accel_working = false; 4368 } 4369 4370 /* Don't start up if the MC ucode is missing. 4371 * The default clocks and voltages before the MC ucode 4372 * is loaded are not suffient for advanced operations. 4373 */ 4374 if (!rdev->mc_fw) { 4375 DRM_ERROR("radeon: MC ucode required for NI+.\n"); 4376 return -EINVAL; 4377 } 4378 4379 return 0; 4380 } 4381 4382 void si_fini(struct radeon_device *rdev) 4383 { 4384 #if 0 4385 r600_blit_fini(rdev); 4386 #endif 4387 si_cp_fini(rdev); 4388 cayman_dma_fini(rdev); 4389 si_irq_fini(rdev); 4390 si_rlc_fini(rdev); 4391 radeon_wb_fini(rdev); 4392 radeon_vm_manager_fini(rdev); 4393 radeon_ib_pool_fini(rdev); 4394 radeon_irq_kms_fini(rdev); 4395 si_pcie_gart_fini(rdev); 4396 r600_vram_scratch_fini(rdev); 4397 radeon_gem_fini(rdev); 4398 radeon_fence_driver_fini(rdev); 4399 radeon_bo_fini(rdev); 4400 radeon_atombios_fini(rdev); 4401 si_fini_microcode(rdev); 4402 drm_free(rdev->bios, DRM_MEM_DRIVER); 4403 rdev->bios = NULL; 4404 } 4405 4406 /** 4407 * si_get_gpu_clock - return GPU clock counter snapshot 4408 * 4409 * @rdev: radeon_device pointer 4410 * 4411 * Fetches a GPU clock counter snapshot (SI). 4412 * Returns the 64 bit clock counter snapshot. 4413 */ 4414 uint64_t si_get_gpu_clock(struct radeon_device *rdev) 4415 { 4416 uint64_t clock; 4417 4418 spin_lock(&rdev->gpu_clock_mutex); 4419 WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1); 4420 clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) | 4421 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL); 4422 spin_unlock(&rdev->gpu_clock_mutex); 4423 return clock; 4424 } 4425