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