1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 29 #include <linux/firmware.h> 30 #include <linux/module.h> 31 #include <linux/pci.h> 32 #include <linux/slab.h> 33 #include <linux/seq_file.h> 34 35 #include <drm/drm_device.h> 36 #include <drm/drm_vblank.h> 37 #include <drm/radeon_drm.h> 38 39 #include "atom.h" 40 #include "avivod.h" 41 #include "evergreen.h" 42 #include "r600.h" 43 #include "r600d.h" 44 #include "rv770.h" 45 #include "radeon.h" 46 #include "radeon_asic.h" 47 #include "radeon_audio.h" 48 #include "radeon_mode.h" 49 #include "radeon_ucode.h" 50 51 /* Firmware Names */ 52 MODULE_FIRMWARE("radeon/R600_pfp.bin"); 53 MODULE_FIRMWARE("radeon/R600_me.bin"); 54 MODULE_FIRMWARE("radeon/RV610_pfp.bin"); 55 MODULE_FIRMWARE("radeon/RV610_me.bin"); 56 MODULE_FIRMWARE("radeon/RV630_pfp.bin"); 57 MODULE_FIRMWARE("radeon/RV630_me.bin"); 58 MODULE_FIRMWARE("radeon/RV620_pfp.bin"); 59 MODULE_FIRMWARE("radeon/RV620_me.bin"); 60 MODULE_FIRMWARE("radeon/RV635_pfp.bin"); 61 MODULE_FIRMWARE("radeon/RV635_me.bin"); 62 MODULE_FIRMWARE("radeon/RV670_pfp.bin"); 63 MODULE_FIRMWARE("radeon/RV670_me.bin"); 64 MODULE_FIRMWARE("radeon/RS780_pfp.bin"); 65 MODULE_FIRMWARE("radeon/RS780_me.bin"); 66 MODULE_FIRMWARE("radeon/RV770_pfp.bin"); 67 MODULE_FIRMWARE("radeon/RV770_me.bin"); 68 MODULE_FIRMWARE("radeon/RV770_smc.bin"); 69 MODULE_FIRMWARE("radeon/RV730_pfp.bin"); 70 MODULE_FIRMWARE("radeon/RV730_me.bin"); 71 MODULE_FIRMWARE("radeon/RV730_smc.bin"); 72 MODULE_FIRMWARE("radeon/RV740_smc.bin"); 73 MODULE_FIRMWARE("radeon/RV710_pfp.bin"); 74 MODULE_FIRMWARE("radeon/RV710_me.bin"); 75 MODULE_FIRMWARE("radeon/RV710_smc.bin"); 76 MODULE_FIRMWARE("radeon/R600_rlc.bin"); 77 MODULE_FIRMWARE("radeon/R700_rlc.bin"); 78 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin"); 79 MODULE_FIRMWARE("radeon/CEDAR_me.bin"); 80 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin"); 81 MODULE_FIRMWARE("radeon/CEDAR_smc.bin"); 82 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin"); 83 MODULE_FIRMWARE("radeon/REDWOOD_me.bin"); 84 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin"); 85 MODULE_FIRMWARE("radeon/REDWOOD_smc.bin"); 86 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin"); 87 MODULE_FIRMWARE("radeon/JUNIPER_me.bin"); 88 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin"); 89 MODULE_FIRMWARE("radeon/JUNIPER_smc.bin"); 90 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin"); 91 MODULE_FIRMWARE("radeon/CYPRESS_me.bin"); 92 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin"); 93 MODULE_FIRMWARE("radeon/CYPRESS_smc.bin"); 94 MODULE_FIRMWARE("radeon/PALM_pfp.bin"); 95 MODULE_FIRMWARE("radeon/PALM_me.bin"); 96 MODULE_FIRMWARE("radeon/SUMO_rlc.bin"); 97 MODULE_FIRMWARE("radeon/SUMO_pfp.bin"); 98 MODULE_FIRMWARE("radeon/SUMO_me.bin"); 99 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin"); 100 MODULE_FIRMWARE("radeon/SUMO2_me.bin"); 101 102 static const u32 crtc_offsets[2] = 103 { 104 0, 105 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL 106 }; 107 108 static void r600_debugfs_mc_info_init(struct radeon_device *rdev); 109 110 /* r600,rv610,rv630,rv620,rv635,rv670 */ 111 int r600_mc_wait_for_idle(struct radeon_device *rdev); 112 static void r600_gpu_init(struct radeon_device *rdev); 113 void r600_fini(struct radeon_device *rdev); 114 void r600_irq_disable(struct radeon_device *rdev); 115 static void r600_pcie_gen2_enable(struct radeon_device *rdev); 116 117 /* 118 * Indirect registers accessor 119 */ 120 u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg) 121 { 122 unsigned long flags; 123 u32 r; 124 125 spin_lock_irqsave(&rdev->rcu_idx_lock, flags); 126 WREG32(R600_RCU_INDEX, ((reg) & 0x1fff)); 127 r = RREG32(R600_RCU_DATA); 128 spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags); 129 return r; 130 } 131 132 void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v) 133 { 134 unsigned long flags; 135 136 spin_lock_irqsave(&rdev->rcu_idx_lock, flags); 137 WREG32(R600_RCU_INDEX, ((reg) & 0x1fff)); 138 WREG32(R600_RCU_DATA, (v)); 139 spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags); 140 } 141 142 u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg) 143 { 144 unsigned long flags; 145 u32 r; 146 147 spin_lock_irqsave(&rdev->uvd_idx_lock, flags); 148 WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff)); 149 r = RREG32(R600_UVD_CTX_DATA); 150 spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags); 151 return r; 152 } 153 154 void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v) 155 { 156 unsigned long flags; 157 158 spin_lock_irqsave(&rdev->uvd_idx_lock, flags); 159 WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff)); 160 WREG32(R600_UVD_CTX_DATA, (v)); 161 spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags); 162 } 163 164 /** 165 * r600_get_allowed_info_register - fetch the register for the info ioctl 166 * 167 * @rdev: radeon_device pointer 168 * @reg: register offset in bytes 169 * @val: register value 170 * 171 * Returns 0 for success or -EINVAL for an invalid register 172 * 173 */ 174 int r600_get_allowed_info_register(struct radeon_device *rdev, 175 u32 reg, u32 *val) 176 { 177 switch (reg) { 178 case GRBM_STATUS: 179 case GRBM_STATUS2: 180 case R_000E50_SRBM_STATUS: 181 case DMA_STATUS_REG: 182 case UVD_STATUS: 183 *val = RREG32(reg); 184 return 0; 185 default: 186 return -EINVAL; 187 } 188 } 189 190 /** 191 * r600_get_xclk - get the xclk 192 * 193 * @rdev: radeon_device pointer 194 * 195 * Returns the reference clock used by the gfx engine 196 * (r6xx, IGPs, APUs). 197 */ 198 u32 r600_get_xclk(struct radeon_device *rdev) 199 { 200 return rdev->clock.spll.reference_freq; 201 } 202 203 int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk) 204 { 205 unsigned fb_div = 0, ref_div, vclk_div = 0, dclk_div = 0; 206 int r; 207 208 /* bypass vclk and dclk with bclk */ 209 WREG32_P(CG_UPLL_FUNC_CNTL_2, 210 VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1), 211 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK)); 212 213 /* assert BYPASS_EN, deassert UPLL_RESET, UPLL_SLEEP and UPLL_CTLREQ */ 214 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~( 215 UPLL_RESET_MASK | UPLL_SLEEP_MASK | UPLL_CTLREQ_MASK)); 216 217 if (rdev->family >= CHIP_RS780) 218 WREG32_P(GFX_MACRO_BYPASS_CNTL, UPLL_BYPASS_CNTL, 219 ~UPLL_BYPASS_CNTL); 220 221 if (!vclk || !dclk) { 222 /* keep the Bypass mode, put PLL to sleep */ 223 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK); 224 return 0; 225 } 226 227 if (rdev->clock.spll.reference_freq == 10000) 228 ref_div = 34; 229 else 230 ref_div = 4; 231 232 r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000, 233 ref_div + 1, 0xFFF, 2, 30, ~0, 234 &fb_div, &vclk_div, &dclk_div); 235 if (r) 236 return r; 237 238 if (rdev->family >= CHIP_RV670 && rdev->family < CHIP_RS780) 239 fb_div >>= 1; 240 else 241 fb_div |= 1; 242 243 r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL); 244 if (r) 245 return r; 246 247 /* assert PLL_RESET */ 248 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK); 249 250 /* For RS780 we have to choose ref clk */ 251 if (rdev->family >= CHIP_RS780) 252 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REFCLK_SRC_SEL_MASK, 253 ~UPLL_REFCLK_SRC_SEL_MASK); 254 255 /* set the required fb, ref and post divder values */ 256 WREG32_P(CG_UPLL_FUNC_CNTL, 257 UPLL_FB_DIV(fb_div) | 258 UPLL_REF_DIV(ref_div), 259 ~(UPLL_FB_DIV_MASK | UPLL_REF_DIV_MASK)); 260 WREG32_P(CG_UPLL_FUNC_CNTL_2, 261 UPLL_SW_HILEN(vclk_div >> 1) | 262 UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) | 263 UPLL_SW_HILEN2(dclk_div >> 1) | 264 UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)) | 265 UPLL_DIVEN_MASK | UPLL_DIVEN2_MASK, 266 ~UPLL_SW_MASK); 267 268 /* give the PLL some time to settle */ 269 mdelay(15); 270 271 /* deassert PLL_RESET */ 272 WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK); 273 274 mdelay(15); 275 276 /* deassert BYPASS EN */ 277 WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK); 278 279 if (rdev->family >= CHIP_RS780) 280 WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~UPLL_BYPASS_CNTL); 281 282 r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL); 283 if (r) 284 return r; 285 286 /* switch VCLK and DCLK selection */ 287 WREG32_P(CG_UPLL_FUNC_CNTL_2, 288 VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2), 289 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK)); 290 291 mdelay(100); 292 293 return 0; 294 } 295 296 void dce3_program_fmt(struct drm_encoder *encoder) 297 { 298 struct drm_device *dev = encoder->dev; 299 struct radeon_device *rdev = dev->dev_private; 300 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 301 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 302 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 303 int bpc = 0; 304 u32 tmp = 0; 305 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE; 306 307 if (connector) { 308 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 309 bpc = radeon_get_monitor_bpc(connector); 310 dither = radeon_connector->dither; 311 } 312 313 /* LVDS FMT is set up by atom */ 314 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 315 return; 316 317 /* not needed for analog */ 318 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 319 (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 320 return; 321 322 if (bpc == 0) 323 return; 324 325 switch (bpc) { 326 case 6: 327 if (dither == RADEON_FMT_DITHER_ENABLE) 328 /* XXX sort out optimal dither settings */ 329 tmp |= FMT_SPATIAL_DITHER_EN; 330 else 331 tmp |= FMT_TRUNCATE_EN; 332 break; 333 case 8: 334 if (dither == RADEON_FMT_DITHER_ENABLE) 335 /* XXX sort out optimal dither settings */ 336 tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH); 337 else 338 tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH); 339 break; 340 case 10: 341 default: 342 /* not needed */ 343 break; 344 } 345 346 WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp); 347 } 348 349 /* get temperature in millidegrees */ 350 int rv6xx_get_temp(struct radeon_device *rdev) 351 { 352 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> 353 ASIC_T_SHIFT; 354 int actual_temp = temp & 0xff; 355 356 if (temp & 0x100) 357 actual_temp -= 256; 358 359 return actual_temp * 1000; 360 } 361 362 void r600_pm_get_dynpm_state(struct radeon_device *rdev) 363 { 364 int i; 365 366 rdev->pm.dynpm_can_upclock = true; 367 rdev->pm.dynpm_can_downclock = true; 368 369 /* power state array is low to high, default is first */ 370 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) { 371 int min_power_state_index = 0; 372 373 if (rdev->pm.num_power_states > 2) 374 min_power_state_index = 1; 375 376 switch (rdev->pm.dynpm_planned_action) { 377 case DYNPM_ACTION_MINIMUM: 378 rdev->pm.requested_power_state_index = min_power_state_index; 379 rdev->pm.requested_clock_mode_index = 0; 380 rdev->pm.dynpm_can_downclock = false; 381 break; 382 case DYNPM_ACTION_DOWNCLOCK: 383 if (rdev->pm.current_power_state_index == min_power_state_index) { 384 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 385 rdev->pm.dynpm_can_downclock = false; 386 } else { 387 if (rdev->pm.active_crtc_count > 1) { 388 for (i = 0; i < rdev->pm.num_power_states; i++) { 389 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 390 continue; 391 else if (i >= rdev->pm.current_power_state_index) { 392 rdev->pm.requested_power_state_index = 393 rdev->pm.current_power_state_index; 394 break; 395 } else { 396 rdev->pm.requested_power_state_index = i; 397 break; 398 } 399 } 400 } else { 401 if (rdev->pm.current_power_state_index == 0) 402 rdev->pm.requested_power_state_index = 403 rdev->pm.num_power_states - 1; 404 else 405 rdev->pm.requested_power_state_index = 406 rdev->pm.current_power_state_index - 1; 407 } 408 } 409 rdev->pm.requested_clock_mode_index = 0; 410 /* don't use the power state if crtcs are active and no display flag is set */ 411 if ((rdev->pm.active_crtc_count > 0) && 412 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 413 clock_info[rdev->pm.requested_clock_mode_index].flags & 414 RADEON_PM_MODE_NO_DISPLAY)) { 415 rdev->pm.requested_power_state_index++; 416 } 417 break; 418 case DYNPM_ACTION_UPCLOCK: 419 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 420 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 421 rdev->pm.dynpm_can_upclock = false; 422 } else { 423 if (rdev->pm.active_crtc_count > 1) { 424 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 425 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 426 continue; 427 else if (i <= rdev->pm.current_power_state_index) { 428 rdev->pm.requested_power_state_index = 429 rdev->pm.current_power_state_index; 430 break; 431 } else { 432 rdev->pm.requested_power_state_index = i; 433 break; 434 } 435 } 436 } else 437 rdev->pm.requested_power_state_index = 438 rdev->pm.current_power_state_index + 1; 439 } 440 rdev->pm.requested_clock_mode_index = 0; 441 break; 442 case DYNPM_ACTION_DEFAULT: 443 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 444 rdev->pm.requested_clock_mode_index = 0; 445 rdev->pm.dynpm_can_upclock = false; 446 break; 447 case DYNPM_ACTION_NONE: 448 default: 449 DRM_ERROR("Requested mode for not defined action\n"); 450 return; 451 } 452 } else { 453 /* XXX select a power state based on AC/DC, single/dualhead, etc. */ 454 /* for now just select the first power state and switch between clock modes */ 455 /* power state array is low to high, default is first (0) */ 456 if (rdev->pm.active_crtc_count > 1) { 457 rdev->pm.requested_power_state_index = -1; 458 /* start at 1 as we don't want the default mode */ 459 for (i = 1; i < rdev->pm.num_power_states; i++) { 460 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 461 continue; 462 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) || 463 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) { 464 rdev->pm.requested_power_state_index = i; 465 break; 466 } 467 } 468 /* if nothing selected, grab the default state. */ 469 if (rdev->pm.requested_power_state_index == -1) 470 rdev->pm.requested_power_state_index = 0; 471 } else 472 rdev->pm.requested_power_state_index = 1; 473 474 switch (rdev->pm.dynpm_planned_action) { 475 case DYNPM_ACTION_MINIMUM: 476 rdev->pm.requested_clock_mode_index = 0; 477 rdev->pm.dynpm_can_downclock = false; 478 break; 479 case DYNPM_ACTION_DOWNCLOCK: 480 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 481 if (rdev->pm.current_clock_mode_index == 0) { 482 rdev->pm.requested_clock_mode_index = 0; 483 rdev->pm.dynpm_can_downclock = false; 484 } else 485 rdev->pm.requested_clock_mode_index = 486 rdev->pm.current_clock_mode_index - 1; 487 } else { 488 rdev->pm.requested_clock_mode_index = 0; 489 rdev->pm.dynpm_can_downclock = false; 490 } 491 /* don't use the power state if crtcs are active and no display flag is set */ 492 if ((rdev->pm.active_crtc_count > 0) && 493 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 494 clock_info[rdev->pm.requested_clock_mode_index].flags & 495 RADEON_PM_MODE_NO_DISPLAY)) { 496 rdev->pm.requested_clock_mode_index++; 497 } 498 break; 499 case DYNPM_ACTION_UPCLOCK: 500 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 501 if (rdev->pm.current_clock_mode_index == 502 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) { 503 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index; 504 rdev->pm.dynpm_can_upclock = false; 505 } else 506 rdev->pm.requested_clock_mode_index = 507 rdev->pm.current_clock_mode_index + 1; 508 } else { 509 rdev->pm.requested_clock_mode_index = 510 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1; 511 rdev->pm.dynpm_can_upclock = false; 512 } 513 break; 514 case DYNPM_ACTION_DEFAULT: 515 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 516 rdev->pm.requested_clock_mode_index = 0; 517 rdev->pm.dynpm_can_upclock = false; 518 break; 519 case DYNPM_ACTION_NONE: 520 default: 521 DRM_ERROR("Requested mode for not defined action\n"); 522 return; 523 } 524 } 525 526 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 527 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 528 clock_info[rdev->pm.requested_clock_mode_index].sclk, 529 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 530 clock_info[rdev->pm.requested_clock_mode_index].mclk, 531 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 532 pcie_lanes); 533 } 534 535 void rs780_pm_init_profile(struct radeon_device *rdev) 536 { 537 if (rdev->pm.num_power_states == 2) { 538 /* default */ 539 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 540 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 541 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 542 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 543 /* low sh */ 544 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 545 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 546 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 547 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 548 /* mid sh */ 549 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 550 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 551 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 552 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 553 /* high sh */ 554 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 555 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 556 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 557 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 558 /* low mh */ 559 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 560 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 561 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 562 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 563 /* mid mh */ 564 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 565 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 566 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 567 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 568 /* high mh */ 569 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 570 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1; 571 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 572 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 573 } else if (rdev->pm.num_power_states == 3) { 574 /* default */ 575 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 576 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 577 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 578 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 579 /* low sh */ 580 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 581 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 582 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 583 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 584 /* mid sh */ 585 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 586 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 587 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 588 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 589 /* high sh */ 590 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 591 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2; 592 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 593 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 594 /* low mh */ 595 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1; 596 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1; 597 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 598 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 599 /* mid mh */ 600 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1; 601 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1; 602 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 603 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 604 /* high mh */ 605 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1; 606 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 607 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 608 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 609 } else { 610 /* default */ 611 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 612 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 613 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 614 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 615 /* low sh */ 616 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2; 617 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2; 618 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 619 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 620 /* mid sh */ 621 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2; 622 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2; 623 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 624 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 625 /* high sh */ 626 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2; 627 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3; 628 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 629 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 630 /* low mh */ 631 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 632 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 633 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 634 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 635 /* mid mh */ 636 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 637 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 638 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 639 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 640 /* high mh */ 641 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 642 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3; 643 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 644 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 645 } 646 } 647 648 void r600_pm_init_profile(struct radeon_device *rdev) 649 { 650 int idx; 651 652 if (rdev->family == CHIP_R600) { 653 /* XXX */ 654 /* default */ 655 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 656 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 657 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 658 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 659 /* low sh */ 660 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 661 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 662 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 663 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 664 /* mid sh */ 665 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 666 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 667 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 668 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 669 /* high sh */ 670 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 671 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 672 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 673 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 674 /* low mh */ 675 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 676 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 677 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 678 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 679 /* mid mh */ 680 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 681 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 682 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 683 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 684 /* high mh */ 685 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 686 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 687 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 688 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 689 } else { 690 if (rdev->pm.num_power_states < 4) { 691 /* default */ 692 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 693 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 694 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 695 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 696 /* low sh */ 697 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 698 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 699 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 700 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 701 /* mid sh */ 702 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 703 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 704 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 705 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 706 /* high sh */ 707 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 708 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 709 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 710 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 711 /* low mh */ 712 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 713 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2; 714 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 715 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 716 /* low mh */ 717 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 718 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2; 719 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 720 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 721 /* high mh */ 722 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 723 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 724 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 725 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 726 } else { 727 /* default */ 728 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 729 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 730 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 731 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 732 /* low sh */ 733 if (rdev->flags & RADEON_IS_MOBILITY) 734 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 735 else 736 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 737 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx; 738 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx; 739 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 740 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 741 /* mid sh */ 742 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx; 743 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx; 744 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 745 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 746 /* high sh */ 747 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 748 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx; 749 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx; 750 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 751 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 752 /* low mh */ 753 if (rdev->flags & RADEON_IS_MOBILITY) 754 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 755 else 756 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 757 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx; 758 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx; 759 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 760 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 761 /* mid mh */ 762 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx; 763 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx; 764 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 765 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 766 /* high mh */ 767 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 768 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx; 769 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx; 770 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 771 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 772 } 773 } 774 } 775 776 void r600_pm_misc(struct radeon_device *rdev) 777 { 778 int req_ps_idx = rdev->pm.requested_power_state_index; 779 int req_cm_idx = rdev->pm.requested_clock_mode_index; 780 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; 781 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; 782 783 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { 784 /* 0xff01 is a flag rather then an actual voltage */ 785 if (voltage->voltage == 0xff01) 786 return; 787 if (voltage->voltage != rdev->pm.current_vddc) { 788 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); 789 rdev->pm.current_vddc = voltage->voltage; 790 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage); 791 } 792 } 793 } 794 795 bool r600_gui_idle(struct radeon_device *rdev) 796 { 797 if (RREG32(GRBM_STATUS) & GUI_ACTIVE) 798 return false; 799 else 800 return true; 801 } 802 803 /* hpd for digital panel detect/disconnect */ 804 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 805 { 806 bool connected = false; 807 808 if (ASIC_IS_DCE3(rdev)) { 809 switch (hpd) { 810 case RADEON_HPD_1: 811 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) 812 connected = true; 813 break; 814 case RADEON_HPD_2: 815 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) 816 connected = true; 817 break; 818 case RADEON_HPD_3: 819 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) 820 connected = true; 821 break; 822 case RADEON_HPD_4: 823 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) 824 connected = true; 825 break; 826 /* DCE 3.2 */ 827 case RADEON_HPD_5: 828 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) 829 connected = true; 830 break; 831 case RADEON_HPD_6: 832 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) 833 connected = true; 834 break; 835 default: 836 break; 837 } 838 } else { 839 switch (hpd) { 840 case RADEON_HPD_1: 841 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 842 connected = true; 843 break; 844 case RADEON_HPD_2: 845 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 846 connected = true; 847 break; 848 case RADEON_HPD_3: 849 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 850 connected = true; 851 break; 852 default: 853 break; 854 } 855 } 856 return connected; 857 } 858 859 void r600_hpd_set_polarity(struct radeon_device *rdev, 860 enum radeon_hpd_id hpd) 861 { 862 u32 tmp; 863 bool connected = r600_hpd_sense(rdev, hpd); 864 865 if (ASIC_IS_DCE3(rdev)) { 866 switch (hpd) { 867 case RADEON_HPD_1: 868 tmp = RREG32(DC_HPD1_INT_CONTROL); 869 if (connected) 870 tmp &= ~DC_HPDx_INT_POLARITY; 871 else 872 tmp |= DC_HPDx_INT_POLARITY; 873 WREG32(DC_HPD1_INT_CONTROL, tmp); 874 break; 875 case RADEON_HPD_2: 876 tmp = RREG32(DC_HPD2_INT_CONTROL); 877 if (connected) 878 tmp &= ~DC_HPDx_INT_POLARITY; 879 else 880 tmp |= DC_HPDx_INT_POLARITY; 881 WREG32(DC_HPD2_INT_CONTROL, tmp); 882 break; 883 case RADEON_HPD_3: 884 tmp = RREG32(DC_HPD3_INT_CONTROL); 885 if (connected) 886 tmp &= ~DC_HPDx_INT_POLARITY; 887 else 888 tmp |= DC_HPDx_INT_POLARITY; 889 WREG32(DC_HPD3_INT_CONTROL, tmp); 890 break; 891 case RADEON_HPD_4: 892 tmp = RREG32(DC_HPD4_INT_CONTROL); 893 if (connected) 894 tmp &= ~DC_HPDx_INT_POLARITY; 895 else 896 tmp |= DC_HPDx_INT_POLARITY; 897 WREG32(DC_HPD4_INT_CONTROL, tmp); 898 break; 899 case RADEON_HPD_5: 900 tmp = RREG32(DC_HPD5_INT_CONTROL); 901 if (connected) 902 tmp &= ~DC_HPDx_INT_POLARITY; 903 else 904 tmp |= DC_HPDx_INT_POLARITY; 905 WREG32(DC_HPD5_INT_CONTROL, tmp); 906 break; 907 /* DCE 3.2 */ 908 case RADEON_HPD_6: 909 tmp = RREG32(DC_HPD6_INT_CONTROL); 910 if (connected) 911 tmp &= ~DC_HPDx_INT_POLARITY; 912 else 913 tmp |= DC_HPDx_INT_POLARITY; 914 WREG32(DC_HPD6_INT_CONTROL, tmp); 915 break; 916 default: 917 break; 918 } 919 } else { 920 switch (hpd) { 921 case RADEON_HPD_1: 922 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 923 if (connected) 924 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 925 else 926 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 927 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 928 break; 929 case RADEON_HPD_2: 930 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 931 if (connected) 932 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 933 else 934 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 935 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 936 break; 937 case RADEON_HPD_3: 938 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 939 if (connected) 940 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 941 else 942 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 943 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 944 break; 945 default: 946 break; 947 } 948 } 949 } 950 951 void r600_hpd_init(struct radeon_device *rdev) 952 { 953 struct drm_device *dev = rdev->ddev; 954 struct drm_connector *connector; 955 unsigned enable = 0; 956 957 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 958 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 959 960 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 961 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 962 /* don't try to enable hpd on eDP or LVDS avoid breaking the 963 * aux dp channel on imac and help (but not completely fix) 964 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 965 */ 966 continue; 967 } 968 if (ASIC_IS_DCE3(rdev)) { 969 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); 970 if (ASIC_IS_DCE32(rdev)) 971 tmp |= DC_HPDx_EN; 972 973 switch (radeon_connector->hpd.hpd) { 974 case RADEON_HPD_1: 975 WREG32(DC_HPD1_CONTROL, tmp); 976 break; 977 case RADEON_HPD_2: 978 WREG32(DC_HPD2_CONTROL, tmp); 979 break; 980 case RADEON_HPD_3: 981 WREG32(DC_HPD3_CONTROL, tmp); 982 break; 983 case RADEON_HPD_4: 984 WREG32(DC_HPD4_CONTROL, tmp); 985 break; 986 /* DCE 3.2 */ 987 case RADEON_HPD_5: 988 WREG32(DC_HPD5_CONTROL, tmp); 989 break; 990 case RADEON_HPD_6: 991 WREG32(DC_HPD6_CONTROL, tmp); 992 break; 993 default: 994 break; 995 } 996 } else { 997 switch (radeon_connector->hpd.hpd) { 998 case RADEON_HPD_1: 999 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); 1000 break; 1001 case RADEON_HPD_2: 1002 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN); 1003 break; 1004 case RADEON_HPD_3: 1005 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN); 1006 break; 1007 default: 1008 break; 1009 } 1010 } 1011 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 1012 enable |= 1 << radeon_connector->hpd.hpd; 1013 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 1014 } 1015 radeon_irq_kms_enable_hpd(rdev, enable); 1016 } 1017 1018 void r600_hpd_fini(struct radeon_device *rdev) 1019 { 1020 struct drm_device *dev = rdev->ddev; 1021 struct drm_connector *connector; 1022 unsigned disable = 0; 1023 1024 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1025 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1026 if (ASIC_IS_DCE3(rdev)) { 1027 switch (radeon_connector->hpd.hpd) { 1028 case RADEON_HPD_1: 1029 WREG32(DC_HPD1_CONTROL, 0); 1030 break; 1031 case RADEON_HPD_2: 1032 WREG32(DC_HPD2_CONTROL, 0); 1033 break; 1034 case RADEON_HPD_3: 1035 WREG32(DC_HPD3_CONTROL, 0); 1036 break; 1037 case RADEON_HPD_4: 1038 WREG32(DC_HPD4_CONTROL, 0); 1039 break; 1040 /* DCE 3.2 */ 1041 case RADEON_HPD_5: 1042 WREG32(DC_HPD5_CONTROL, 0); 1043 break; 1044 case RADEON_HPD_6: 1045 WREG32(DC_HPD6_CONTROL, 0); 1046 break; 1047 default: 1048 break; 1049 } 1050 } else { 1051 switch (radeon_connector->hpd.hpd) { 1052 case RADEON_HPD_1: 1053 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0); 1054 break; 1055 case RADEON_HPD_2: 1056 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0); 1057 break; 1058 case RADEON_HPD_3: 1059 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0); 1060 break; 1061 default: 1062 break; 1063 } 1064 } 1065 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 1066 disable |= 1 << radeon_connector->hpd.hpd; 1067 } 1068 radeon_irq_kms_disable_hpd(rdev, disable); 1069 } 1070 1071 /* 1072 * R600 PCIE GART 1073 */ 1074 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev) 1075 { 1076 unsigned i; 1077 u32 tmp; 1078 1079 /* flush hdp cache so updates hit vram */ 1080 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 1081 !(rdev->flags & RADEON_IS_AGP)) { 1082 void __iomem *ptr = (void *)rdev->gart.ptr; 1083 1084 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 1085 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL 1086 * This seems to cause problems on some AGP cards. Just use the old 1087 * method for them. 1088 */ 1089 WREG32(HDP_DEBUG1, 0); 1090 readl((void __iomem *)ptr); 1091 } else 1092 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 1093 1094 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12); 1095 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12); 1096 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); 1097 for (i = 0; i < rdev->usec_timeout; i++) { 1098 /* read MC_STATUS */ 1099 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); 1100 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; 1101 if (tmp == 2) { 1102 pr_warn("[drm] r600 flush TLB failed\n"); 1103 return; 1104 } 1105 if (tmp) { 1106 return; 1107 } 1108 udelay(1); 1109 } 1110 } 1111 1112 int r600_pcie_gart_init(struct radeon_device *rdev) 1113 { 1114 int r; 1115 1116 if (rdev->gart.robj) { 1117 WARN(1, "R600 PCIE GART already initialized\n"); 1118 return 0; 1119 } 1120 /* Initialize common gart structure */ 1121 r = radeon_gart_init(rdev); 1122 if (r) 1123 return r; 1124 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 1125 return radeon_gart_table_vram_alloc(rdev); 1126 } 1127 1128 static int r600_pcie_gart_enable(struct radeon_device *rdev) 1129 { 1130 u32 tmp; 1131 int r, i; 1132 1133 if (rdev->gart.robj == NULL) { 1134 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 1135 return -EINVAL; 1136 } 1137 r = radeon_gart_table_vram_pin(rdev); 1138 if (r) 1139 return r; 1140 1141 /* Setup L2 cache */ 1142 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1143 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1144 EFFECTIVE_L2_QUEUE_SIZE(7)); 1145 WREG32(VM_L2_CNTL2, 0); 1146 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1147 /* Setup TLB control */ 1148 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1149 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1150 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1151 ENABLE_WAIT_L2_QUERY; 1152 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1153 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1154 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 1155 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1156 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1157 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1158 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1159 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1160 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1161 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1162 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1163 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1164 WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp); 1165 WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp); 1166 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1167 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1168 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 1169 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 1170 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 1171 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 1172 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 1173 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 1174 (u32)(rdev->dummy_page.addr >> 12)); 1175 for (i = 1; i < 7; i++) 1176 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1177 1178 r600_pcie_gart_tlb_flush(rdev); 1179 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 1180 (unsigned)(rdev->mc.gtt_size >> 20), 1181 (unsigned long long)rdev->gart.table_addr); 1182 rdev->gart.ready = true; 1183 return 0; 1184 } 1185 1186 static void r600_pcie_gart_disable(struct radeon_device *rdev) 1187 { 1188 u32 tmp; 1189 int i; 1190 1191 /* Disable all tables */ 1192 for (i = 0; i < 7; i++) 1193 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1194 1195 /* Disable L2 cache */ 1196 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | 1197 EFFECTIVE_L2_QUEUE_SIZE(7)); 1198 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1199 /* Setup L1 TLB control */ 1200 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1201 ENABLE_WAIT_L2_QUERY; 1202 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1203 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1204 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1205 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1206 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1207 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1208 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1209 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1210 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp); 1211 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp); 1212 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1213 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1214 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp); 1215 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1216 WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp); 1217 WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp); 1218 radeon_gart_table_vram_unpin(rdev); 1219 } 1220 1221 static void r600_pcie_gart_fini(struct radeon_device *rdev) 1222 { 1223 radeon_gart_fini(rdev); 1224 r600_pcie_gart_disable(rdev); 1225 radeon_gart_table_vram_free(rdev); 1226 } 1227 1228 static void r600_agp_enable(struct radeon_device *rdev) 1229 { 1230 u32 tmp; 1231 int i; 1232 1233 /* Setup L2 cache */ 1234 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1235 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1236 EFFECTIVE_L2_QUEUE_SIZE(7)); 1237 WREG32(VM_L2_CNTL2, 0); 1238 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1239 /* Setup TLB control */ 1240 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1241 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1242 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1243 ENABLE_WAIT_L2_QUERY; 1244 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1245 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1246 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 1247 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1248 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1249 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1250 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1251 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1252 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1253 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1254 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1255 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1256 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1257 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1258 for (i = 0; i < 7; i++) 1259 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1260 } 1261 1262 int r600_mc_wait_for_idle(struct radeon_device *rdev) 1263 { 1264 unsigned i; 1265 u32 tmp; 1266 1267 for (i = 0; i < rdev->usec_timeout; i++) { 1268 /* read MC_STATUS */ 1269 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00; 1270 if (!tmp) 1271 return 0; 1272 udelay(1); 1273 } 1274 return -1; 1275 } 1276 1277 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg) 1278 { 1279 unsigned long flags; 1280 uint32_t r; 1281 1282 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 1283 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg)); 1284 r = RREG32(R_0028FC_MC_DATA); 1285 WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR); 1286 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 1287 return r; 1288 } 1289 1290 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 1291 { 1292 unsigned long flags; 1293 1294 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 1295 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) | 1296 S_0028F8_MC_IND_WR_EN(1)); 1297 WREG32(R_0028FC_MC_DATA, v); 1298 WREG32(R_0028F8_MC_INDEX, 0x7F); 1299 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 1300 } 1301 1302 static void r600_mc_program(struct radeon_device *rdev) 1303 { 1304 struct rv515_mc_save save; 1305 u32 tmp; 1306 int i, j; 1307 1308 /* Initialize HDP */ 1309 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1310 WREG32((0x2c14 + j), 0x00000000); 1311 WREG32((0x2c18 + j), 0x00000000); 1312 WREG32((0x2c1c + j), 0x00000000); 1313 WREG32((0x2c20 + j), 0x00000000); 1314 WREG32((0x2c24 + j), 0x00000000); 1315 } 1316 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); 1317 1318 rv515_mc_stop(rdev, &save); 1319 if (r600_mc_wait_for_idle(rdev)) { 1320 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1321 } 1322 /* Lockout access through VGA aperture (doesn't exist before R600) */ 1323 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); 1324 /* Update configuration */ 1325 if (rdev->flags & RADEON_IS_AGP) { 1326 if (rdev->mc.vram_start < rdev->mc.gtt_start) { 1327 /* VRAM before AGP */ 1328 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1329 rdev->mc.vram_start >> 12); 1330 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1331 rdev->mc.gtt_end >> 12); 1332 } else { 1333 /* VRAM after AGP */ 1334 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1335 rdev->mc.gtt_start >> 12); 1336 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1337 rdev->mc.vram_end >> 12); 1338 } 1339 } else { 1340 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); 1341 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); 1342 } 1343 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12); 1344 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; 1345 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); 1346 WREG32(MC_VM_FB_LOCATION, tmp); 1347 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); 1348 WREG32(HDP_NONSURFACE_INFO, (2 << 7)); 1349 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); 1350 if (rdev->flags & RADEON_IS_AGP) { 1351 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22); 1352 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22); 1353 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); 1354 } else { 1355 WREG32(MC_VM_AGP_BASE, 0); 1356 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); 1357 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); 1358 } 1359 if (r600_mc_wait_for_idle(rdev)) { 1360 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1361 } 1362 rv515_mc_resume(rdev, &save); 1363 /* we need to own VRAM, so turn off the VGA renderer here 1364 * to stop it overwriting our objects */ 1365 rv515_vga_render_disable(rdev); 1366 } 1367 1368 /** 1369 * r600_vram_gtt_location - try to find VRAM & GTT location 1370 * @rdev: radeon device structure holding all necessary informations 1371 * @mc: memory controller structure holding memory informations 1372 * 1373 * Function will place try to place VRAM at same place as in CPU (PCI) 1374 * address space as some GPU seems to have issue when we reprogram at 1375 * different address space. 1376 * 1377 * If there is not enough space to fit the unvisible VRAM after the 1378 * aperture then we limit the VRAM size to the aperture. 1379 * 1380 * If we are using AGP then place VRAM adjacent to AGP aperture are we need 1381 * them to be in one from GPU point of view so that we can program GPU to 1382 * catch access outside them (weird GPU policy see ??). 1383 * 1384 * This function will never fails, worst case are limiting VRAM or GTT. 1385 * 1386 * Note: GTT start, end, size should be initialized before calling this 1387 * function on AGP platform. 1388 */ 1389 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) 1390 { 1391 u64 size_bf, size_af; 1392 1393 if (mc->mc_vram_size > 0xE0000000) { 1394 /* leave room for at least 512M GTT */ 1395 dev_warn(rdev->dev, "limiting VRAM\n"); 1396 mc->real_vram_size = 0xE0000000; 1397 mc->mc_vram_size = 0xE0000000; 1398 } 1399 if (rdev->flags & RADEON_IS_AGP) { 1400 size_bf = mc->gtt_start; 1401 size_af = mc->mc_mask - mc->gtt_end; 1402 if (size_bf > size_af) { 1403 if (mc->mc_vram_size > size_bf) { 1404 dev_warn(rdev->dev, "limiting VRAM\n"); 1405 mc->real_vram_size = size_bf; 1406 mc->mc_vram_size = size_bf; 1407 } 1408 mc->vram_start = mc->gtt_start - mc->mc_vram_size; 1409 } else { 1410 if (mc->mc_vram_size > size_af) { 1411 dev_warn(rdev->dev, "limiting VRAM\n"); 1412 mc->real_vram_size = size_af; 1413 mc->mc_vram_size = size_af; 1414 } 1415 mc->vram_start = mc->gtt_end + 1; 1416 } 1417 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; 1418 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", 1419 mc->mc_vram_size >> 20, mc->vram_start, 1420 mc->vram_end, mc->real_vram_size >> 20); 1421 } else { 1422 u64 base = 0; 1423 if (rdev->flags & RADEON_IS_IGP) { 1424 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF; 1425 base <<= 24; 1426 } 1427 radeon_vram_location(rdev, &rdev->mc, base); 1428 rdev->mc.gtt_base_align = 0; 1429 radeon_gtt_location(rdev, mc); 1430 } 1431 } 1432 1433 static int r600_mc_init(struct radeon_device *rdev) 1434 { 1435 u32 tmp; 1436 int chansize, numchan; 1437 uint32_t h_addr, l_addr; 1438 unsigned long long k8_addr; 1439 1440 /* Get VRAM informations */ 1441 rdev->mc.vram_is_ddr = true; 1442 tmp = RREG32(RAMCFG); 1443 if (tmp & CHANSIZE_OVERRIDE) { 1444 chansize = 16; 1445 } else if (tmp & CHANSIZE_MASK) { 1446 chansize = 64; 1447 } else { 1448 chansize = 32; 1449 } 1450 tmp = RREG32(CHMAP); 1451 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 1452 case 0: 1453 default: 1454 numchan = 1; 1455 break; 1456 case 1: 1457 numchan = 2; 1458 break; 1459 case 2: 1460 numchan = 4; 1461 break; 1462 case 3: 1463 numchan = 8; 1464 break; 1465 } 1466 rdev->mc.vram_width = numchan * chansize; 1467 /* Could aper size report 0 ? */ 1468 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 1469 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 1470 /* Setup GPU memory space */ 1471 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); 1472 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); 1473 rdev->mc.visible_vram_size = rdev->mc.aper_size; 1474 r600_vram_gtt_location(rdev, &rdev->mc); 1475 1476 if (rdev->flags & RADEON_IS_IGP) { 1477 rs690_pm_info(rdev); 1478 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 1479 1480 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) { 1481 /* Use K8 direct mapping for fast fb access. */ 1482 rdev->fastfb_working = false; 1483 h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL)); 1484 l_addr = RREG32_MC(R_000011_K8_FB_LOCATION); 1485 k8_addr = ((unsigned long long)h_addr) << 32 | l_addr; 1486 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) 1487 if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL) 1488 #endif 1489 { 1490 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport 1491 * memory is present. 1492 */ 1493 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) { 1494 DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n", 1495 (unsigned long long)rdev->mc.aper_base, k8_addr); 1496 rdev->mc.aper_base = (resource_size_t)k8_addr; 1497 rdev->fastfb_working = true; 1498 } 1499 } 1500 } 1501 } 1502 1503 radeon_update_bandwidth_info(rdev); 1504 return 0; 1505 } 1506 1507 int r600_vram_scratch_init(struct radeon_device *rdev) 1508 { 1509 int r; 1510 1511 if (rdev->vram_scratch.robj == NULL) { 1512 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, 1513 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, 1514 0, NULL, NULL, &rdev->vram_scratch.robj); 1515 if (r) { 1516 return r; 1517 } 1518 } 1519 1520 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1521 if (unlikely(r != 0)) 1522 return r; 1523 r = radeon_bo_pin(rdev->vram_scratch.robj, 1524 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr); 1525 if (r) { 1526 radeon_bo_unreserve(rdev->vram_scratch.robj); 1527 return r; 1528 } 1529 r = radeon_bo_kmap(rdev->vram_scratch.robj, 1530 (void **)&rdev->vram_scratch.ptr); 1531 if (r) 1532 radeon_bo_unpin(rdev->vram_scratch.robj); 1533 radeon_bo_unreserve(rdev->vram_scratch.robj); 1534 1535 return r; 1536 } 1537 1538 void r600_vram_scratch_fini(struct radeon_device *rdev) 1539 { 1540 int r; 1541 1542 if (rdev->vram_scratch.robj == NULL) { 1543 return; 1544 } 1545 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1546 if (likely(r == 0)) { 1547 radeon_bo_kunmap(rdev->vram_scratch.robj); 1548 radeon_bo_unpin(rdev->vram_scratch.robj); 1549 radeon_bo_unreserve(rdev->vram_scratch.robj); 1550 } 1551 radeon_bo_unref(&rdev->vram_scratch.robj); 1552 } 1553 1554 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung) 1555 { 1556 u32 tmp = RREG32(R600_BIOS_3_SCRATCH); 1557 1558 if (hung) 1559 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1560 else 1561 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1562 1563 WREG32(R600_BIOS_3_SCRATCH, tmp); 1564 } 1565 1566 static void r600_print_gpu_status_regs(struct radeon_device *rdev) 1567 { 1568 dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", 1569 RREG32(R_008010_GRBM_STATUS)); 1570 dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", 1571 RREG32(R_008014_GRBM_STATUS2)); 1572 dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", 1573 RREG32(R_000E50_SRBM_STATUS)); 1574 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", 1575 RREG32(CP_STALLED_STAT1)); 1576 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", 1577 RREG32(CP_STALLED_STAT2)); 1578 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", 1579 RREG32(CP_BUSY_STAT)); 1580 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", 1581 RREG32(CP_STAT)); 1582 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", 1583 RREG32(DMA_STATUS_REG)); 1584 } 1585 1586 static bool r600_is_display_hung(struct radeon_device *rdev) 1587 { 1588 u32 crtc_hung = 0; 1589 u32 crtc_status[2]; 1590 u32 i, j, tmp; 1591 1592 for (i = 0; i < rdev->num_crtc; i++) { 1593 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) { 1594 crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); 1595 crtc_hung |= (1 << i); 1596 } 1597 } 1598 1599 for (j = 0; j < 10; j++) { 1600 for (i = 0; i < rdev->num_crtc; i++) { 1601 if (crtc_hung & (1 << i)) { 1602 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); 1603 if (tmp != crtc_status[i]) 1604 crtc_hung &= ~(1 << i); 1605 } 1606 } 1607 if (crtc_hung == 0) 1608 return false; 1609 udelay(100); 1610 } 1611 1612 return true; 1613 } 1614 1615 u32 r600_gpu_check_soft_reset(struct radeon_device *rdev) 1616 { 1617 u32 reset_mask = 0; 1618 u32 tmp; 1619 1620 /* GRBM_STATUS */ 1621 tmp = RREG32(R_008010_GRBM_STATUS); 1622 if (rdev->family >= CHIP_RV770) { 1623 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | 1624 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | 1625 G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | 1626 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | 1627 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) 1628 reset_mask |= RADEON_RESET_GFX; 1629 } else { 1630 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | 1631 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | 1632 G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | 1633 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | 1634 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) 1635 reset_mask |= RADEON_RESET_GFX; 1636 } 1637 1638 if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) | 1639 G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp)) 1640 reset_mask |= RADEON_RESET_CP; 1641 1642 if (G_008010_GRBM_EE_BUSY(tmp)) 1643 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP; 1644 1645 /* DMA_STATUS_REG */ 1646 tmp = RREG32(DMA_STATUS_REG); 1647 if (!(tmp & DMA_IDLE)) 1648 reset_mask |= RADEON_RESET_DMA; 1649 1650 /* SRBM_STATUS */ 1651 tmp = RREG32(R_000E50_SRBM_STATUS); 1652 if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp)) 1653 reset_mask |= RADEON_RESET_RLC; 1654 1655 if (G_000E50_IH_BUSY(tmp)) 1656 reset_mask |= RADEON_RESET_IH; 1657 1658 if (G_000E50_SEM_BUSY(tmp)) 1659 reset_mask |= RADEON_RESET_SEM; 1660 1661 if (G_000E50_GRBM_RQ_PENDING(tmp)) 1662 reset_mask |= RADEON_RESET_GRBM; 1663 1664 if (G_000E50_VMC_BUSY(tmp)) 1665 reset_mask |= RADEON_RESET_VMC; 1666 1667 if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) | 1668 G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) | 1669 G_000E50_MCDW_BUSY(tmp)) 1670 reset_mask |= RADEON_RESET_MC; 1671 1672 if (r600_is_display_hung(rdev)) 1673 reset_mask |= RADEON_RESET_DISPLAY; 1674 1675 /* Skip MC reset as it's mostly likely not hung, just busy */ 1676 if (reset_mask & RADEON_RESET_MC) { 1677 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); 1678 reset_mask &= ~RADEON_RESET_MC; 1679 } 1680 1681 return reset_mask; 1682 } 1683 1684 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) 1685 { 1686 struct rv515_mc_save save; 1687 u32 grbm_soft_reset = 0, srbm_soft_reset = 0; 1688 u32 tmp; 1689 1690 if (reset_mask == 0) 1691 return; 1692 1693 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); 1694 1695 r600_print_gpu_status_regs(rdev); 1696 1697 /* Disable CP parsing/prefetching */ 1698 if (rdev->family >= CHIP_RV770) 1699 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); 1700 else 1701 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1702 1703 /* disable the RLC */ 1704 WREG32(RLC_CNTL, 0); 1705 1706 if (reset_mask & RADEON_RESET_DMA) { 1707 /* Disable DMA */ 1708 tmp = RREG32(DMA_RB_CNTL); 1709 tmp &= ~DMA_RB_ENABLE; 1710 WREG32(DMA_RB_CNTL, tmp); 1711 } 1712 1713 mdelay(50); 1714 1715 rv515_mc_stop(rdev, &save); 1716 if (r600_mc_wait_for_idle(rdev)) { 1717 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1718 } 1719 1720 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) { 1721 if (rdev->family >= CHIP_RV770) 1722 grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) | 1723 S_008020_SOFT_RESET_CB(1) | 1724 S_008020_SOFT_RESET_PA(1) | 1725 S_008020_SOFT_RESET_SC(1) | 1726 S_008020_SOFT_RESET_SPI(1) | 1727 S_008020_SOFT_RESET_SX(1) | 1728 S_008020_SOFT_RESET_SH(1) | 1729 S_008020_SOFT_RESET_TC(1) | 1730 S_008020_SOFT_RESET_TA(1) | 1731 S_008020_SOFT_RESET_VC(1) | 1732 S_008020_SOFT_RESET_VGT(1); 1733 else 1734 grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) | 1735 S_008020_SOFT_RESET_DB(1) | 1736 S_008020_SOFT_RESET_CB(1) | 1737 S_008020_SOFT_RESET_PA(1) | 1738 S_008020_SOFT_RESET_SC(1) | 1739 S_008020_SOFT_RESET_SMX(1) | 1740 S_008020_SOFT_RESET_SPI(1) | 1741 S_008020_SOFT_RESET_SX(1) | 1742 S_008020_SOFT_RESET_SH(1) | 1743 S_008020_SOFT_RESET_TC(1) | 1744 S_008020_SOFT_RESET_TA(1) | 1745 S_008020_SOFT_RESET_VC(1) | 1746 S_008020_SOFT_RESET_VGT(1); 1747 } 1748 1749 if (reset_mask & RADEON_RESET_CP) { 1750 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) | 1751 S_008020_SOFT_RESET_VGT(1); 1752 1753 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); 1754 } 1755 1756 if (reset_mask & RADEON_RESET_DMA) { 1757 if (rdev->family >= CHIP_RV770) 1758 srbm_soft_reset |= RV770_SOFT_RESET_DMA; 1759 else 1760 srbm_soft_reset |= SOFT_RESET_DMA; 1761 } 1762 1763 if (reset_mask & RADEON_RESET_RLC) 1764 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1); 1765 1766 if (reset_mask & RADEON_RESET_SEM) 1767 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1); 1768 1769 if (reset_mask & RADEON_RESET_IH) 1770 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1); 1771 1772 if (reset_mask & RADEON_RESET_GRBM) 1773 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); 1774 1775 if (!(rdev->flags & RADEON_IS_IGP)) { 1776 if (reset_mask & RADEON_RESET_MC) 1777 srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1); 1778 } 1779 1780 if (reset_mask & RADEON_RESET_VMC) 1781 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1); 1782 1783 if (grbm_soft_reset) { 1784 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1785 tmp |= grbm_soft_reset; 1786 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); 1787 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1788 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1789 1790 udelay(50); 1791 1792 tmp &= ~grbm_soft_reset; 1793 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1794 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1795 } 1796 1797 if (srbm_soft_reset) { 1798 tmp = RREG32(SRBM_SOFT_RESET); 1799 tmp |= srbm_soft_reset; 1800 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1801 WREG32(SRBM_SOFT_RESET, tmp); 1802 tmp = RREG32(SRBM_SOFT_RESET); 1803 1804 udelay(50); 1805 1806 tmp &= ~srbm_soft_reset; 1807 WREG32(SRBM_SOFT_RESET, tmp); 1808 tmp = RREG32(SRBM_SOFT_RESET); 1809 } 1810 1811 /* Wait a little for things to settle down */ 1812 mdelay(1); 1813 1814 rv515_mc_resume(rdev, &save); 1815 udelay(50); 1816 1817 r600_print_gpu_status_regs(rdev); 1818 } 1819 1820 static void r600_gpu_pci_config_reset(struct radeon_device *rdev) 1821 { 1822 struct rv515_mc_save save; 1823 u32 tmp, i; 1824 1825 dev_info(rdev->dev, "GPU pci config reset\n"); 1826 1827 /* disable dpm? */ 1828 1829 /* Disable CP parsing/prefetching */ 1830 if (rdev->family >= CHIP_RV770) 1831 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); 1832 else 1833 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1834 1835 /* disable the RLC */ 1836 WREG32(RLC_CNTL, 0); 1837 1838 /* Disable DMA */ 1839 tmp = RREG32(DMA_RB_CNTL); 1840 tmp &= ~DMA_RB_ENABLE; 1841 WREG32(DMA_RB_CNTL, tmp); 1842 1843 mdelay(50); 1844 1845 /* set mclk/sclk to bypass */ 1846 if (rdev->family >= CHIP_RV770) 1847 rv770_set_clk_bypass_mode(rdev); 1848 /* disable BM */ 1849 pci_clear_master(rdev->pdev); 1850 /* disable mem access */ 1851 rv515_mc_stop(rdev, &save); 1852 if (r600_mc_wait_for_idle(rdev)) { 1853 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1854 } 1855 1856 /* BIF reset workaround. Not sure if this is needed on 6xx */ 1857 tmp = RREG32(BUS_CNTL); 1858 tmp |= VGA_COHE_SPEC_TIMER_DIS; 1859 WREG32(BUS_CNTL, tmp); 1860 1861 tmp = RREG32(BIF_SCRATCH0); 1862 1863 /* reset */ 1864 radeon_pci_config_reset(rdev); 1865 mdelay(1); 1866 1867 /* BIF reset workaround. Not sure if this is needed on 6xx */ 1868 tmp = SOFT_RESET_BIF; 1869 WREG32(SRBM_SOFT_RESET, tmp); 1870 mdelay(1); 1871 WREG32(SRBM_SOFT_RESET, 0); 1872 1873 /* wait for asic to come out of reset */ 1874 for (i = 0; i < rdev->usec_timeout; i++) { 1875 if (RREG32(CONFIG_MEMSIZE) != 0xffffffff) 1876 break; 1877 udelay(1); 1878 } 1879 } 1880 1881 int r600_asic_reset(struct radeon_device *rdev, bool hard) 1882 { 1883 u32 reset_mask; 1884 1885 if (hard) { 1886 r600_gpu_pci_config_reset(rdev); 1887 return 0; 1888 } 1889 1890 reset_mask = r600_gpu_check_soft_reset(rdev); 1891 1892 if (reset_mask) 1893 r600_set_bios_scratch_engine_hung(rdev, true); 1894 1895 /* try soft reset */ 1896 r600_gpu_soft_reset(rdev, reset_mask); 1897 1898 reset_mask = r600_gpu_check_soft_reset(rdev); 1899 1900 /* try pci config reset */ 1901 if (reset_mask && radeon_hard_reset) 1902 r600_gpu_pci_config_reset(rdev); 1903 1904 reset_mask = r600_gpu_check_soft_reset(rdev); 1905 1906 if (!reset_mask) 1907 r600_set_bios_scratch_engine_hung(rdev, false); 1908 1909 return 0; 1910 } 1911 1912 /** 1913 * r600_gfx_is_lockup - Check if the GFX engine is locked up 1914 * 1915 * @rdev: radeon_device pointer 1916 * @ring: radeon_ring structure holding ring information 1917 * 1918 * Check if the GFX engine is locked up. 1919 * Returns true if the engine appears to be locked up, false if not. 1920 */ 1921 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 1922 { 1923 u32 reset_mask = r600_gpu_check_soft_reset(rdev); 1924 1925 if (!(reset_mask & (RADEON_RESET_GFX | 1926 RADEON_RESET_COMPUTE | 1927 RADEON_RESET_CP))) { 1928 radeon_ring_lockup_update(rdev, ring); 1929 return false; 1930 } 1931 return radeon_ring_test_lockup(rdev, ring); 1932 } 1933 1934 u32 r6xx_remap_render_backend(struct radeon_device *rdev, 1935 u32 tiling_pipe_num, 1936 u32 max_rb_num, 1937 u32 total_max_rb_num, 1938 u32 disabled_rb_mask) 1939 { 1940 u32 rendering_pipe_num, rb_num_width, req_rb_num; 1941 u32 pipe_rb_ratio, pipe_rb_remain, tmp; 1942 u32 data = 0, mask = 1 << (max_rb_num - 1); 1943 unsigned i, j; 1944 1945 /* mask out the RBs that don't exist on that asic */ 1946 tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff); 1947 /* make sure at least one RB is available */ 1948 if ((tmp & 0xff) != 0xff) 1949 disabled_rb_mask = tmp; 1950 1951 rendering_pipe_num = 1 << tiling_pipe_num; 1952 req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask); 1953 BUG_ON(rendering_pipe_num < req_rb_num); 1954 1955 pipe_rb_ratio = rendering_pipe_num / req_rb_num; 1956 pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num; 1957 1958 if (rdev->family <= CHIP_RV740) { 1959 /* r6xx/r7xx */ 1960 rb_num_width = 2; 1961 } else { 1962 /* eg+ */ 1963 rb_num_width = 4; 1964 } 1965 1966 for (i = 0; i < max_rb_num; i++) { 1967 if (!(mask & disabled_rb_mask)) { 1968 for (j = 0; j < pipe_rb_ratio; j++) { 1969 data <<= rb_num_width; 1970 data |= max_rb_num - i - 1; 1971 } 1972 if (pipe_rb_remain) { 1973 data <<= rb_num_width; 1974 data |= max_rb_num - i - 1; 1975 pipe_rb_remain--; 1976 } 1977 } 1978 mask >>= 1; 1979 } 1980 1981 return data; 1982 } 1983 1984 int r600_count_pipe_bits(uint32_t val) 1985 { 1986 return hweight32(val); 1987 } 1988 1989 static void r600_gpu_init(struct radeon_device *rdev) 1990 { 1991 u32 tiling_config; 1992 u32 ramcfg; 1993 u32 cc_gc_shader_pipe_config; 1994 u32 tmp; 1995 int i, j; 1996 u32 sq_config; 1997 u32 sq_gpr_resource_mgmt_1 = 0; 1998 u32 sq_gpr_resource_mgmt_2 = 0; 1999 u32 sq_thread_resource_mgmt = 0; 2000 u32 sq_stack_resource_mgmt_1 = 0; 2001 u32 sq_stack_resource_mgmt_2 = 0; 2002 u32 disabled_rb_mask; 2003 2004 rdev->config.r600.tiling_group_size = 256; 2005 switch (rdev->family) { 2006 case CHIP_R600: 2007 rdev->config.r600.max_pipes = 4; 2008 rdev->config.r600.max_tile_pipes = 8; 2009 rdev->config.r600.max_simds = 4; 2010 rdev->config.r600.max_backends = 4; 2011 rdev->config.r600.max_gprs = 256; 2012 rdev->config.r600.max_threads = 192; 2013 rdev->config.r600.max_stack_entries = 256; 2014 rdev->config.r600.max_hw_contexts = 8; 2015 rdev->config.r600.max_gs_threads = 16; 2016 rdev->config.r600.sx_max_export_size = 128; 2017 rdev->config.r600.sx_max_export_pos_size = 16; 2018 rdev->config.r600.sx_max_export_smx_size = 128; 2019 rdev->config.r600.sq_num_cf_insts = 2; 2020 break; 2021 case CHIP_RV630: 2022 case CHIP_RV635: 2023 rdev->config.r600.max_pipes = 2; 2024 rdev->config.r600.max_tile_pipes = 2; 2025 rdev->config.r600.max_simds = 3; 2026 rdev->config.r600.max_backends = 1; 2027 rdev->config.r600.max_gprs = 128; 2028 rdev->config.r600.max_threads = 192; 2029 rdev->config.r600.max_stack_entries = 128; 2030 rdev->config.r600.max_hw_contexts = 8; 2031 rdev->config.r600.max_gs_threads = 4; 2032 rdev->config.r600.sx_max_export_size = 128; 2033 rdev->config.r600.sx_max_export_pos_size = 16; 2034 rdev->config.r600.sx_max_export_smx_size = 128; 2035 rdev->config.r600.sq_num_cf_insts = 2; 2036 break; 2037 case CHIP_RV610: 2038 case CHIP_RV620: 2039 case CHIP_RS780: 2040 case CHIP_RS880: 2041 rdev->config.r600.max_pipes = 1; 2042 rdev->config.r600.max_tile_pipes = 1; 2043 rdev->config.r600.max_simds = 2; 2044 rdev->config.r600.max_backends = 1; 2045 rdev->config.r600.max_gprs = 128; 2046 rdev->config.r600.max_threads = 192; 2047 rdev->config.r600.max_stack_entries = 128; 2048 rdev->config.r600.max_hw_contexts = 4; 2049 rdev->config.r600.max_gs_threads = 4; 2050 rdev->config.r600.sx_max_export_size = 128; 2051 rdev->config.r600.sx_max_export_pos_size = 16; 2052 rdev->config.r600.sx_max_export_smx_size = 128; 2053 rdev->config.r600.sq_num_cf_insts = 1; 2054 break; 2055 case CHIP_RV670: 2056 rdev->config.r600.max_pipes = 4; 2057 rdev->config.r600.max_tile_pipes = 4; 2058 rdev->config.r600.max_simds = 4; 2059 rdev->config.r600.max_backends = 4; 2060 rdev->config.r600.max_gprs = 192; 2061 rdev->config.r600.max_threads = 192; 2062 rdev->config.r600.max_stack_entries = 256; 2063 rdev->config.r600.max_hw_contexts = 8; 2064 rdev->config.r600.max_gs_threads = 16; 2065 rdev->config.r600.sx_max_export_size = 128; 2066 rdev->config.r600.sx_max_export_pos_size = 16; 2067 rdev->config.r600.sx_max_export_smx_size = 128; 2068 rdev->config.r600.sq_num_cf_insts = 2; 2069 break; 2070 default: 2071 break; 2072 } 2073 2074 /* Initialize HDP */ 2075 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 2076 WREG32((0x2c14 + j), 0x00000000); 2077 WREG32((0x2c18 + j), 0x00000000); 2078 WREG32((0x2c1c + j), 0x00000000); 2079 WREG32((0x2c20 + j), 0x00000000); 2080 WREG32((0x2c24 + j), 0x00000000); 2081 } 2082 2083 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 2084 2085 /* Setup tiling */ 2086 tiling_config = 0; 2087 ramcfg = RREG32(RAMCFG); 2088 switch (rdev->config.r600.max_tile_pipes) { 2089 case 1: 2090 tiling_config |= PIPE_TILING(0); 2091 break; 2092 case 2: 2093 tiling_config |= PIPE_TILING(1); 2094 break; 2095 case 4: 2096 tiling_config |= PIPE_TILING(2); 2097 break; 2098 case 8: 2099 tiling_config |= PIPE_TILING(3); 2100 break; 2101 default: 2102 break; 2103 } 2104 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes; 2105 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 2106 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 2107 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); 2108 2109 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; 2110 if (tmp > 3) { 2111 tiling_config |= ROW_TILING(3); 2112 tiling_config |= SAMPLE_SPLIT(3); 2113 } else { 2114 tiling_config |= ROW_TILING(tmp); 2115 tiling_config |= SAMPLE_SPLIT(tmp); 2116 } 2117 tiling_config |= BANK_SWAPS(1); 2118 2119 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00; 2120 tmp = rdev->config.r600.max_simds - 2121 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK); 2122 rdev->config.r600.active_simds = tmp; 2123 2124 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK; 2125 tmp = 0; 2126 for (i = 0; i < rdev->config.r600.max_backends; i++) 2127 tmp |= (1 << i); 2128 /* if all the backends are disabled, fix it up here */ 2129 if ((disabled_rb_mask & tmp) == tmp) { 2130 for (i = 0; i < rdev->config.r600.max_backends; i++) 2131 disabled_rb_mask &= ~(1 << i); 2132 } 2133 tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT; 2134 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends, 2135 R6XX_MAX_BACKENDS, disabled_rb_mask); 2136 tiling_config |= tmp << 16; 2137 rdev->config.r600.backend_map = tmp; 2138 2139 rdev->config.r600.tile_config = tiling_config; 2140 WREG32(GB_TILING_CONFIG, tiling_config); 2141 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff); 2142 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff); 2143 WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff); 2144 2145 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8); 2146 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK); 2147 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK); 2148 2149 /* Setup some CP states */ 2150 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b))); 2151 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40))); 2152 2153 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT | 2154 SYNC_WALKER | SYNC_ALIGNER)); 2155 /* Setup various GPU states */ 2156 if (rdev->family == CHIP_RV670) 2157 WREG32(ARB_GDEC_RD_CNTL, 0x00000021); 2158 2159 tmp = RREG32(SX_DEBUG_1); 2160 tmp |= SMX_EVENT_RELEASE; 2161 if ((rdev->family > CHIP_R600)) 2162 tmp |= ENABLE_NEW_SMX_ADDRESS; 2163 WREG32(SX_DEBUG_1, tmp); 2164 2165 if (((rdev->family) == CHIP_R600) || 2166 ((rdev->family) == CHIP_RV630) || 2167 ((rdev->family) == CHIP_RV610) || 2168 ((rdev->family) == CHIP_RV620) || 2169 ((rdev->family) == CHIP_RS780) || 2170 ((rdev->family) == CHIP_RS880)) { 2171 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE); 2172 } else { 2173 WREG32(DB_DEBUG, 0); 2174 } 2175 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) | 2176 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4))); 2177 2178 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 2179 WREG32(VGT_NUM_INSTANCES, 0); 2180 2181 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0)); 2182 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0)); 2183 2184 tmp = RREG32(SQ_MS_FIFO_SIZES); 2185 if (((rdev->family) == CHIP_RV610) || 2186 ((rdev->family) == CHIP_RV620) || 2187 ((rdev->family) == CHIP_RS780) || 2188 ((rdev->family) == CHIP_RS880)) { 2189 tmp = (CACHE_FIFO_SIZE(0xa) | 2190 FETCH_FIFO_HIWATER(0xa) | 2191 DONE_FIFO_HIWATER(0xe0) | 2192 ALU_UPDATE_FIFO_HIWATER(0x8)); 2193 } else if (((rdev->family) == CHIP_R600) || 2194 ((rdev->family) == CHIP_RV630)) { 2195 tmp &= ~DONE_FIFO_HIWATER(0xff); 2196 tmp |= DONE_FIFO_HIWATER(0x4); 2197 } 2198 WREG32(SQ_MS_FIFO_SIZES, tmp); 2199 2200 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT 2201 * should be adjusted as needed by the 2D/3D drivers. This just sets default values 2202 */ 2203 sq_config = RREG32(SQ_CONFIG); 2204 sq_config &= ~(PS_PRIO(3) | 2205 VS_PRIO(3) | 2206 GS_PRIO(3) | 2207 ES_PRIO(3)); 2208 sq_config |= (DX9_CONSTS | 2209 VC_ENABLE | 2210 PS_PRIO(0) | 2211 VS_PRIO(1) | 2212 GS_PRIO(2) | 2213 ES_PRIO(3)); 2214 2215 if ((rdev->family) == CHIP_R600) { 2216 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) | 2217 NUM_VS_GPRS(124) | 2218 NUM_CLAUSE_TEMP_GPRS(4)); 2219 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) | 2220 NUM_ES_GPRS(0)); 2221 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) | 2222 NUM_VS_THREADS(48) | 2223 NUM_GS_THREADS(4) | 2224 NUM_ES_THREADS(4)); 2225 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) | 2226 NUM_VS_STACK_ENTRIES(128)); 2227 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) | 2228 NUM_ES_STACK_ENTRIES(0)); 2229 } else if (((rdev->family) == CHIP_RV610) || 2230 ((rdev->family) == CHIP_RV620) || 2231 ((rdev->family) == CHIP_RS780) || 2232 ((rdev->family) == CHIP_RS880)) { 2233 /* no vertex cache */ 2234 sq_config &= ~VC_ENABLE; 2235 2236 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2237 NUM_VS_GPRS(44) | 2238 NUM_CLAUSE_TEMP_GPRS(2)); 2239 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 2240 NUM_ES_GPRS(17)); 2241 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2242 NUM_VS_THREADS(78) | 2243 NUM_GS_THREADS(4) | 2244 NUM_ES_THREADS(31)); 2245 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 2246 NUM_VS_STACK_ENTRIES(40)); 2247 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 2248 NUM_ES_STACK_ENTRIES(16)); 2249 } else if (((rdev->family) == CHIP_RV630) || 2250 ((rdev->family) == CHIP_RV635)) { 2251 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2252 NUM_VS_GPRS(44) | 2253 NUM_CLAUSE_TEMP_GPRS(2)); 2254 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) | 2255 NUM_ES_GPRS(18)); 2256 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2257 NUM_VS_THREADS(78) | 2258 NUM_GS_THREADS(4) | 2259 NUM_ES_THREADS(31)); 2260 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 2261 NUM_VS_STACK_ENTRIES(40)); 2262 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 2263 NUM_ES_STACK_ENTRIES(16)); 2264 } else if ((rdev->family) == CHIP_RV670) { 2265 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2266 NUM_VS_GPRS(44) | 2267 NUM_CLAUSE_TEMP_GPRS(2)); 2268 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 2269 NUM_ES_GPRS(17)); 2270 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2271 NUM_VS_THREADS(78) | 2272 NUM_GS_THREADS(4) | 2273 NUM_ES_THREADS(31)); 2274 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) | 2275 NUM_VS_STACK_ENTRIES(64)); 2276 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) | 2277 NUM_ES_STACK_ENTRIES(64)); 2278 } 2279 2280 WREG32(SQ_CONFIG, sq_config); 2281 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); 2282 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); 2283 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); 2284 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); 2285 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); 2286 2287 if (((rdev->family) == CHIP_RV610) || 2288 ((rdev->family) == CHIP_RV620) || 2289 ((rdev->family) == CHIP_RS780) || 2290 ((rdev->family) == CHIP_RS880)) { 2291 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY)); 2292 } else { 2293 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC)); 2294 } 2295 2296 /* More default values. 2D/3D driver should adjust as needed */ 2297 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) | 2298 S1_X(0x4) | S1_Y(0xc))); 2299 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) | 2300 S1_X(0x2) | S1_Y(0x2) | 2301 S2_X(0xa) | S2_Y(0x6) | 2302 S3_X(0x6) | S3_Y(0xa))); 2303 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) | 2304 S1_X(0x4) | S1_Y(0xc) | 2305 S2_X(0x1) | S2_Y(0x6) | 2306 S3_X(0xa) | S3_Y(0xe))); 2307 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) | 2308 S5_X(0x0) | S5_Y(0x0) | 2309 S6_X(0xb) | S6_Y(0x4) | 2310 S7_X(0x7) | S7_Y(0x8))); 2311 2312 WREG32(VGT_STRMOUT_EN, 0); 2313 tmp = rdev->config.r600.max_pipes * 16; 2314 switch (rdev->family) { 2315 case CHIP_RV610: 2316 case CHIP_RV620: 2317 case CHIP_RS780: 2318 case CHIP_RS880: 2319 tmp += 32; 2320 break; 2321 case CHIP_RV670: 2322 tmp += 128; 2323 break; 2324 default: 2325 break; 2326 } 2327 if (tmp > 256) { 2328 tmp = 256; 2329 } 2330 WREG32(VGT_ES_PER_GS, 128); 2331 WREG32(VGT_GS_PER_ES, tmp); 2332 WREG32(VGT_GS_PER_VS, 2); 2333 WREG32(VGT_GS_VERTEX_REUSE, 16); 2334 2335 /* more default values. 2D/3D driver should adjust as needed */ 2336 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 2337 WREG32(VGT_STRMOUT_EN, 0); 2338 WREG32(SX_MISC, 0); 2339 WREG32(PA_SC_MODE_CNTL, 0); 2340 WREG32(PA_SC_AA_CONFIG, 0); 2341 WREG32(PA_SC_LINE_STIPPLE, 0); 2342 WREG32(SPI_INPUT_Z, 0); 2343 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2)); 2344 WREG32(CB_COLOR7_FRAG, 0); 2345 2346 /* Clear render buffer base addresses */ 2347 WREG32(CB_COLOR0_BASE, 0); 2348 WREG32(CB_COLOR1_BASE, 0); 2349 WREG32(CB_COLOR2_BASE, 0); 2350 WREG32(CB_COLOR3_BASE, 0); 2351 WREG32(CB_COLOR4_BASE, 0); 2352 WREG32(CB_COLOR5_BASE, 0); 2353 WREG32(CB_COLOR6_BASE, 0); 2354 WREG32(CB_COLOR7_BASE, 0); 2355 WREG32(CB_COLOR7_FRAG, 0); 2356 2357 switch (rdev->family) { 2358 case CHIP_RV610: 2359 case CHIP_RV620: 2360 case CHIP_RS780: 2361 case CHIP_RS880: 2362 tmp = TC_L2_SIZE(8); 2363 break; 2364 case CHIP_RV630: 2365 case CHIP_RV635: 2366 tmp = TC_L2_SIZE(4); 2367 break; 2368 case CHIP_R600: 2369 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT; 2370 break; 2371 default: 2372 tmp = TC_L2_SIZE(0); 2373 break; 2374 } 2375 WREG32(TC_CNTL, tmp); 2376 2377 tmp = RREG32(HDP_HOST_PATH_CNTL); 2378 WREG32(HDP_HOST_PATH_CNTL, tmp); 2379 2380 tmp = RREG32(ARB_POP); 2381 tmp |= ENABLE_TC128; 2382 WREG32(ARB_POP, tmp); 2383 2384 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 2385 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA | 2386 NUM_CLIP_SEQ(3))); 2387 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095)); 2388 WREG32(VC_ENHANCE, 0); 2389 } 2390 2391 2392 /* 2393 * Indirect registers accessor 2394 */ 2395 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg) 2396 { 2397 unsigned long flags; 2398 u32 r; 2399 2400 spin_lock_irqsave(&rdev->pciep_idx_lock, flags); 2401 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 2402 (void)RREG32(PCIE_PORT_INDEX); 2403 r = RREG32(PCIE_PORT_DATA); 2404 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags); 2405 return r; 2406 } 2407 2408 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) 2409 { 2410 unsigned long flags; 2411 2412 spin_lock_irqsave(&rdev->pciep_idx_lock, flags); 2413 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 2414 (void)RREG32(PCIE_PORT_INDEX); 2415 WREG32(PCIE_PORT_DATA, (v)); 2416 (void)RREG32(PCIE_PORT_DATA); 2417 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags); 2418 } 2419 2420 /* 2421 * CP & Ring 2422 */ 2423 void r600_cp_stop(struct radeon_device *rdev) 2424 { 2425 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 2426 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 2427 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 2428 WREG32(SCRATCH_UMSK, 0); 2429 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 2430 } 2431 2432 int r600_init_microcode(struct radeon_device *rdev) 2433 { 2434 const char *chip_name; 2435 const char *rlc_chip_name; 2436 const char *smc_chip_name = "RV770"; 2437 size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0; 2438 char fw_name[30]; 2439 int err; 2440 2441 DRM_DEBUG("\n"); 2442 2443 switch (rdev->family) { 2444 case CHIP_R600: 2445 chip_name = "R600"; 2446 rlc_chip_name = "R600"; 2447 break; 2448 case CHIP_RV610: 2449 chip_name = "RV610"; 2450 rlc_chip_name = "R600"; 2451 break; 2452 case CHIP_RV630: 2453 chip_name = "RV630"; 2454 rlc_chip_name = "R600"; 2455 break; 2456 case CHIP_RV620: 2457 chip_name = "RV620"; 2458 rlc_chip_name = "R600"; 2459 break; 2460 case CHIP_RV635: 2461 chip_name = "RV635"; 2462 rlc_chip_name = "R600"; 2463 break; 2464 case CHIP_RV670: 2465 chip_name = "RV670"; 2466 rlc_chip_name = "R600"; 2467 break; 2468 case CHIP_RS780: 2469 case CHIP_RS880: 2470 chip_name = "RS780"; 2471 rlc_chip_name = "R600"; 2472 break; 2473 case CHIP_RV770: 2474 chip_name = "RV770"; 2475 rlc_chip_name = "R700"; 2476 smc_chip_name = "RV770"; 2477 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4); 2478 break; 2479 case CHIP_RV730: 2480 chip_name = "RV730"; 2481 rlc_chip_name = "R700"; 2482 smc_chip_name = "RV730"; 2483 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4); 2484 break; 2485 case CHIP_RV710: 2486 chip_name = "RV710"; 2487 rlc_chip_name = "R700"; 2488 smc_chip_name = "RV710"; 2489 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4); 2490 break; 2491 case CHIP_RV740: 2492 chip_name = "RV730"; 2493 rlc_chip_name = "R700"; 2494 smc_chip_name = "RV740"; 2495 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4); 2496 break; 2497 case CHIP_CEDAR: 2498 chip_name = "CEDAR"; 2499 rlc_chip_name = "CEDAR"; 2500 smc_chip_name = "CEDAR"; 2501 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4); 2502 break; 2503 case CHIP_REDWOOD: 2504 chip_name = "REDWOOD"; 2505 rlc_chip_name = "REDWOOD"; 2506 smc_chip_name = "REDWOOD"; 2507 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4); 2508 break; 2509 case CHIP_JUNIPER: 2510 chip_name = "JUNIPER"; 2511 rlc_chip_name = "JUNIPER"; 2512 smc_chip_name = "JUNIPER"; 2513 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4); 2514 break; 2515 case CHIP_CYPRESS: 2516 case CHIP_HEMLOCK: 2517 chip_name = "CYPRESS"; 2518 rlc_chip_name = "CYPRESS"; 2519 smc_chip_name = "CYPRESS"; 2520 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4); 2521 break; 2522 case CHIP_PALM: 2523 chip_name = "PALM"; 2524 rlc_chip_name = "SUMO"; 2525 break; 2526 case CHIP_SUMO: 2527 chip_name = "SUMO"; 2528 rlc_chip_name = "SUMO"; 2529 break; 2530 case CHIP_SUMO2: 2531 chip_name = "SUMO2"; 2532 rlc_chip_name = "SUMO"; 2533 break; 2534 default: BUG(); 2535 } 2536 2537 if (rdev->family >= CHIP_CEDAR) { 2538 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 2539 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 2540 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 2541 } else if (rdev->family >= CHIP_RV770) { 2542 pfp_req_size = R700_PFP_UCODE_SIZE * 4; 2543 me_req_size = R700_PM4_UCODE_SIZE * 4; 2544 rlc_req_size = R700_RLC_UCODE_SIZE * 4; 2545 } else { 2546 pfp_req_size = R600_PFP_UCODE_SIZE * 4; 2547 me_req_size = R600_PM4_UCODE_SIZE * 12; 2548 rlc_req_size = R600_RLC_UCODE_SIZE * 4; 2549 } 2550 2551 DRM_INFO("Loading %s Microcode\n", chip_name); 2552 2553 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 2554 err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev); 2555 if (err) 2556 goto out; 2557 if (rdev->pfp_fw->size != pfp_req_size) { 2558 pr_err("r600_cp: Bogus length %zu in firmware \"%s\"\n", 2559 rdev->pfp_fw->size, fw_name); 2560 err = -EINVAL; 2561 goto out; 2562 } 2563 2564 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 2565 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); 2566 if (err) 2567 goto out; 2568 if (rdev->me_fw->size != me_req_size) { 2569 pr_err("r600_cp: Bogus length %zu in firmware \"%s\"\n", 2570 rdev->me_fw->size, fw_name); 2571 err = -EINVAL; 2572 goto out; 2573 } 2574 2575 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 2576 err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev); 2577 if (err) 2578 goto out; 2579 if (rdev->rlc_fw->size != rlc_req_size) { 2580 pr_err("r600_rlc: Bogus length %zu in firmware \"%s\"\n", 2581 rdev->rlc_fw->size, fw_name); 2582 err = -EINVAL; 2583 goto out; 2584 } 2585 2586 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) { 2587 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name); 2588 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); 2589 if (err) { 2590 pr_err("smc: error loading firmware \"%s\"\n", fw_name); 2591 release_firmware(rdev->smc_fw); 2592 rdev->smc_fw = NULL; 2593 err = 0; 2594 } else if (rdev->smc_fw->size != smc_req_size) { 2595 pr_err("smc: Bogus length %zu in firmware \"%s\"\n", 2596 rdev->smc_fw->size, fw_name); 2597 err = -EINVAL; 2598 } 2599 } 2600 2601 out: 2602 if (err) { 2603 if (err != -EINVAL) 2604 pr_err("r600_cp: Failed to load firmware \"%s\"\n", 2605 fw_name); 2606 release_firmware(rdev->pfp_fw); 2607 rdev->pfp_fw = NULL; 2608 release_firmware(rdev->me_fw); 2609 rdev->me_fw = NULL; 2610 release_firmware(rdev->rlc_fw); 2611 rdev->rlc_fw = NULL; 2612 release_firmware(rdev->smc_fw); 2613 rdev->smc_fw = NULL; 2614 } 2615 return err; 2616 } 2617 2618 u32 r600_gfx_get_rptr(struct radeon_device *rdev, 2619 struct radeon_ring *ring) 2620 { 2621 u32 rptr; 2622 2623 if (rdev->wb.enabled) 2624 rptr = rdev->wb.wb[ring->rptr_offs/4]; 2625 else 2626 rptr = RREG32(R600_CP_RB_RPTR); 2627 2628 return rptr; 2629 } 2630 2631 u32 r600_gfx_get_wptr(struct radeon_device *rdev, 2632 struct radeon_ring *ring) 2633 { 2634 return RREG32(R600_CP_RB_WPTR); 2635 } 2636 2637 void r600_gfx_set_wptr(struct radeon_device *rdev, 2638 struct radeon_ring *ring) 2639 { 2640 WREG32(R600_CP_RB_WPTR, ring->wptr); 2641 (void)RREG32(R600_CP_RB_WPTR); 2642 } 2643 2644 static int r600_cp_load_microcode(struct radeon_device *rdev) 2645 { 2646 const __be32 *fw_data; 2647 int i; 2648 2649 if (!rdev->me_fw || !rdev->pfp_fw) 2650 return -EINVAL; 2651 2652 r600_cp_stop(rdev); 2653 2654 WREG32(CP_RB_CNTL, 2655 #ifdef __BIG_ENDIAN 2656 BUF_SWAP_32BIT | 2657 #endif 2658 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); 2659 2660 /* Reset cp */ 2661 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2662 RREG32(GRBM_SOFT_RESET); 2663 mdelay(15); 2664 WREG32(GRBM_SOFT_RESET, 0); 2665 2666 WREG32(CP_ME_RAM_WADDR, 0); 2667 2668 fw_data = (const __be32 *)rdev->me_fw->data; 2669 WREG32(CP_ME_RAM_WADDR, 0); 2670 for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++) 2671 WREG32(CP_ME_RAM_DATA, 2672 be32_to_cpup(fw_data++)); 2673 2674 fw_data = (const __be32 *)rdev->pfp_fw->data; 2675 WREG32(CP_PFP_UCODE_ADDR, 0); 2676 for (i = 0; i < R600_PFP_UCODE_SIZE; i++) 2677 WREG32(CP_PFP_UCODE_DATA, 2678 be32_to_cpup(fw_data++)); 2679 2680 WREG32(CP_PFP_UCODE_ADDR, 0); 2681 WREG32(CP_ME_RAM_WADDR, 0); 2682 WREG32(CP_ME_RAM_RADDR, 0); 2683 return 0; 2684 } 2685 2686 int r600_cp_start(struct radeon_device *rdev) 2687 { 2688 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2689 int r; 2690 uint32_t cp_me; 2691 2692 r = radeon_ring_lock(rdev, ring, 7); 2693 if (r) { 2694 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 2695 return r; 2696 } 2697 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 2698 radeon_ring_write(ring, 0x1); 2699 if (rdev->family >= CHIP_RV770) { 2700 radeon_ring_write(ring, 0x0); 2701 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1); 2702 } else { 2703 radeon_ring_write(ring, 0x3); 2704 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1); 2705 } 2706 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 2707 radeon_ring_write(ring, 0); 2708 radeon_ring_write(ring, 0); 2709 radeon_ring_unlock_commit(rdev, ring, false); 2710 2711 cp_me = 0xff; 2712 WREG32(R_0086D8_CP_ME_CNTL, cp_me); 2713 return 0; 2714 } 2715 2716 int r600_cp_resume(struct radeon_device *rdev) 2717 { 2718 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2719 u32 tmp; 2720 u32 rb_bufsz; 2721 int r; 2722 2723 /* Reset cp */ 2724 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2725 RREG32(GRBM_SOFT_RESET); 2726 mdelay(15); 2727 WREG32(GRBM_SOFT_RESET, 0); 2728 2729 /* Set ring buffer size */ 2730 rb_bufsz = order_base_2(ring->ring_size / 8); 2731 tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2732 #ifdef __BIG_ENDIAN 2733 tmp |= BUF_SWAP_32BIT; 2734 #endif 2735 WREG32(CP_RB_CNTL, tmp); 2736 WREG32(CP_SEM_WAIT_TIMER, 0x0); 2737 2738 /* Set the write pointer delay */ 2739 WREG32(CP_RB_WPTR_DELAY, 0); 2740 2741 /* Initialize the ring buffer's read and write pointers */ 2742 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); 2743 WREG32(CP_RB_RPTR_WR, 0); 2744 ring->wptr = 0; 2745 WREG32(CP_RB_WPTR, ring->wptr); 2746 2747 /* set the wb address whether it's enabled or not */ 2748 WREG32(CP_RB_RPTR_ADDR, 2749 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); 2750 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); 2751 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 2752 2753 if (rdev->wb.enabled) 2754 WREG32(SCRATCH_UMSK, 0xff); 2755 else { 2756 tmp |= RB_NO_UPDATE; 2757 WREG32(SCRATCH_UMSK, 0); 2758 } 2759 2760 mdelay(1); 2761 WREG32(CP_RB_CNTL, tmp); 2762 2763 WREG32(CP_RB_BASE, ring->gpu_addr >> 8); 2764 WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); 2765 2766 r600_cp_start(rdev); 2767 ring->ready = true; 2768 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); 2769 if (r) { 2770 ring->ready = false; 2771 return r; 2772 } 2773 2774 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 2775 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 2776 2777 return 0; 2778 } 2779 2780 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size) 2781 { 2782 u32 rb_bufsz; 2783 int r; 2784 2785 /* Align ring size */ 2786 rb_bufsz = order_base_2(ring_size / 8); 2787 ring_size = (1 << (rb_bufsz + 1)) * 4; 2788 ring->ring_size = ring_size; 2789 ring->align_mask = 16 - 1; 2790 2791 if (radeon_ring_supports_scratch_reg(rdev, ring)) { 2792 r = radeon_scratch_get(rdev, &ring->rptr_save_reg); 2793 if (r) { 2794 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); 2795 ring->rptr_save_reg = 0; 2796 } 2797 } 2798 } 2799 2800 void r600_cp_fini(struct radeon_device *rdev) 2801 { 2802 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2803 r600_cp_stop(rdev); 2804 radeon_ring_fini(rdev, ring); 2805 radeon_scratch_free(rdev, ring->rptr_save_reg); 2806 } 2807 2808 /* 2809 * GPU scratch registers helpers function. 2810 */ 2811 void r600_scratch_init(struct radeon_device *rdev) 2812 { 2813 int i; 2814 2815 rdev->scratch.num_reg = 7; 2816 rdev->scratch.reg_base = SCRATCH_REG0; 2817 for (i = 0; i < rdev->scratch.num_reg; i++) { 2818 rdev->scratch.free[i] = true; 2819 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); 2820 } 2821 } 2822 2823 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 2824 { 2825 uint32_t scratch; 2826 uint32_t tmp = 0; 2827 unsigned i; 2828 int r; 2829 2830 r = radeon_scratch_get(rdev, &scratch); 2831 if (r) { 2832 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 2833 return r; 2834 } 2835 WREG32(scratch, 0xCAFEDEAD); 2836 r = radeon_ring_lock(rdev, ring, 3); 2837 if (r) { 2838 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r); 2839 radeon_scratch_free(rdev, scratch); 2840 return r; 2841 } 2842 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2843 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2844 radeon_ring_write(ring, 0xDEADBEEF); 2845 radeon_ring_unlock_commit(rdev, ring, false); 2846 for (i = 0; i < rdev->usec_timeout; i++) { 2847 tmp = RREG32(scratch); 2848 if (tmp == 0xDEADBEEF) 2849 break; 2850 udelay(1); 2851 } 2852 if (i < rdev->usec_timeout) { 2853 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); 2854 } else { 2855 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n", 2856 ring->idx, scratch, tmp); 2857 r = -EINVAL; 2858 } 2859 radeon_scratch_free(rdev, scratch); 2860 return r; 2861 } 2862 2863 /* 2864 * CP fences/semaphores 2865 */ 2866 2867 void r600_fence_ring_emit(struct radeon_device *rdev, 2868 struct radeon_fence *fence) 2869 { 2870 struct radeon_ring *ring = &rdev->ring[fence->ring]; 2871 u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA | 2872 PACKET3_SH_ACTION_ENA; 2873 2874 if (rdev->family >= CHIP_RV770) 2875 cp_coher_cntl |= PACKET3_FULL_CACHE_ENA; 2876 2877 if (rdev->wb.use_event) { 2878 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 2879 /* flush read cache over gart */ 2880 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2881 radeon_ring_write(ring, cp_coher_cntl); 2882 radeon_ring_write(ring, 0xFFFFFFFF); 2883 radeon_ring_write(ring, 0); 2884 radeon_ring_write(ring, 10); /* poll interval */ 2885 /* EVENT_WRITE_EOP - flush caches, send int */ 2886 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 2887 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 2888 radeon_ring_write(ring, lower_32_bits(addr)); 2889 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 2890 radeon_ring_write(ring, fence->seq); 2891 radeon_ring_write(ring, 0); 2892 } else { 2893 /* flush read cache over gart */ 2894 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2895 radeon_ring_write(ring, cp_coher_cntl); 2896 radeon_ring_write(ring, 0xFFFFFFFF); 2897 radeon_ring_write(ring, 0); 2898 radeon_ring_write(ring, 10); /* poll interval */ 2899 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0)); 2900 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0)); 2901 /* wait for 3D idle clean */ 2902 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2903 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2904 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit); 2905 /* Emit fence sequence & fire IRQ */ 2906 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2907 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2908 radeon_ring_write(ring, fence->seq); 2909 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ 2910 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0)); 2911 radeon_ring_write(ring, RB_INT_STAT); 2912 } 2913 } 2914 2915 /** 2916 * r600_semaphore_ring_emit - emit a semaphore on the CP ring 2917 * 2918 * @rdev: radeon_device pointer 2919 * @ring: radeon ring buffer object 2920 * @semaphore: radeon semaphore object 2921 * @emit_wait: Is this a semaphore wait? 2922 * 2923 * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP 2924 * from running ahead of semaphore waits. 2925 */ 2926 bool r600_semaphore_ring_emit(struct radeon_device *rdev, 2927 struct radeon_ring *ring, 2928 struct radeon_semaphore *semaphore, 2929 bool emit_wait) 2930 { 2931 uint64_t addr = semaphore->gpu_addr; 2932 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; 2933 2934 if (rdev->family < CHIP_CAYMAN) 2935 sel |= PACKET3_SEM_WAIT_ON_SIGNAL; 2936 2937 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1)); 2938 radeon_ring_write(ring, lower_32_bits(addr)); 2939 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel); 2940 2941 /* PFP_SYNC_ME packet only exists on 7xx+, only enable it on eg+ */ 2942 if (emit_wait && (rdev->family >= CHIP_CEDAR)) { 2943 /* Prevent the PFP from running ahead of the semaphore wait */ 2944 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); 2945 radeon_ring_write(ring, 0x0); 2946 } 2947 2948 return true; 2949 } 2950 2951 /** 2952 * r600_copy_cpdma - copy pages using the CP DMA engine 2953 * 2954 * @rdev: radeon_device pointer 2955 * @src_offset: src GPU address 2956 * @dst_offset: dst GPU address 2957 * @num_gpu_pages: number of GPU pages to xfer 2958 * @resv: DMA reservation object to manage fences 2959 * 2960 * Copy GPU paging using the CP DMA engine (r6xx+). 2961 * Used by the radeon ttm implementation to move pages if 2962 * registered as the asic copy callback. 2963 */ 2964 struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev, 2965 uint64_t src_offset, uint64_t dst_offset, 2966 unsigned num_gpu_pages, 2967 struct dma_resv *resv) 2968 { 2969 struct radeon_fence *fence; 2970 struct radeon_sync sync; 2971 int ring_index = rdev->asic->copy.blit_ring_index; 2972 struct radeon_ring *ring = &rdev->ring[ring_index]; 2973 u32 size_in_bytes, cur_size_in_bytes, tmp; 2974 int i, num_loops; 2975 int r = 0; 2976 2977 radeon_sync_create(&sync); 2978 2979 size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT); 2980 num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff); 2981 r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24); 2982 if (r) { 2983 DRM_ERROR("radeon: moving bo (%d).\n", r); 2984 radeon_sync_free(rdev, &sync, NULL); 2985 return ERR_PTR(r); 2986 } 2987 2988 radeon_sync_resv(rdev, &sync, resv, false); 2989 radeon_sync_rings(rdev, &sync, ring->idx); 2990 2991 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2992 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2993 radeon_ring_write(ring, WAIT_3D_IDLE_bit); 2994 for (i = 0; i < num_loops; i++) { 2995 cur_size_in_bytes = size_in_bytes; 2996 if (cur_size_in_bytes > 0x1fffff) 2997 cur_size_in_bytes = 0x1fffff; 2998 size_in_bytes -= cur_size_in_bytes; 2999 tmp = upper_32_bits(src_offset) & 0xff; 3000 if (size_in_bytes == 0) 3001 tmp |= PACKET3_CP_DMA_CP_SYNC; 3002 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4)); 3003 radeon_ring_write(ring, lower_32_bits(src_offset)); 3004 radeon_ring_write(ring, tmp); 3005 radeon_ring_write(ring, lower_32_bits(dst_offset)); 3006 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); 3007 radeon_ring_write(ring, cur_size_in_bytes); 3008 src_offset += cur_size_in_bytes; 3009 dst_offset += cur_size_in_bytes; 3010 } 3011 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 3012 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 3013 radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit); 3014 3015 r = radeon_fence_emit(rdev, &fence, ring->idx); 3016 if (r) { 3017 radeon_ring_unlock_undo(rdev, ring); 3018 radeon_sync_free(rdev, &sync, NULL); 3019 return ERR_PTR(r); 3020 } 3021 3022 radeon_ring_unlock_commit(rdev, ring, false); 3023 radeon_sync_free(rdev, &sync, fence); 3024 3025 return fence; 3026 } 3027 3028 int r600_set_surface_reg(struct radeon_device *rdev, int reg, 3029 uint32_t tiling_flags, uint32_t pitch, 3030 uint32_t offset, uint32_t obj_size) 3031 { 3032 /* FIXME: implement */ 3033 return 0; 3034 } 3035 3036 void r600_clear_surface_reg(struct radeon_device *rdev, int reg) 3037 { 3038 /* FIXME: implement */ 3039 } 3040 3041 static void r600_uvd_init(struct radeon_device *rdev) 3042 { 3043 int r; 3044 3045 if (!rdev->has_uvd) 3046 return; 3047 3048 r = radeon_uvd_init(rdev); 3049 if (r) { 3050 dev_err(rdev->dev, "failed UVD (%d) init.\n", r); 3051 /* 3052 * At this point rdev->uvd.vcpu_bo is NULL which trickles down 3053 * to early fails uvd_v1_0_resume() and thus nothing happens 3054 * there. So it is pointless to try to go through that code 3055 * hence why we disable uvd here. 3056 */ 3057 rdev->has_uvd = false; 3058 return; 3059 } 3060 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL; 3061 r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096); 3062 } 3063 3064 static void r600_uvd_start(struct radeon_device *rdev) 3065 { 3066 int r; 3067 3068 if (!rdev->has_uvd) 3069 return; 3070 3071 r = uvd_v1_0_resume(rdev); 3072 if (r) { 3073 dev_err(rdev->dev, "failed UVD resume (%d).\n", r); 3074 goto error; 3075 } 3076 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX); 3077 if (r) { 3078 dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r); 3079 goto error; 3080 } 3081 return; 3082 3083 error: 3084 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0; 3085 } 3086 3087 static void r600_uvd_resume(struct radeon_device *rdev) 3088 { 3089 struct radeon_ring *ring; 3090 int r; 3091 3092 if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size) 3093 return; 3094 3095 ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; 3096 r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0)); 3097 if (r) { 3098 dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r); 3099 return; 3100 } 3101 r = uvd_v1_0_init(rdev); 3102 if (r) { 3103 dev_err(rdev->dev, "failed initializing UVD (%d).\n", r); 3104 return; 3105 } 3106 } 3107 3108 static int r600_startup(struct radeon_device *rdev) 3109 { 3110 struct radeon_ring *ring; 3111 int r; 3112 3113 /* enable pcie gen2 link */ 3114 r600_pcie_gen2_enable(rdev); 3115 3116 /* scratch needs to be initialized before MC */ 3117 r = r600_vram_scratch_init(rdev); 3118 if (r) 3119 return r; 3120 3121 r600_mc_program(rdev); 3122 3123 if (rdev->flags & RADEON_IS_AGP) { 3124 r600_agp_enable(rdev); 3125 } else { 3126 r = r600_pcie_gart_enable(rdev); 3127 if (r) 3128 return r; 3129 } 3130 r600_gpu_init(rdev); 3131 3132 /* allocate wb buffer */ 3133 r = radeon_wb_init(rdev); 3134 if (r) 3135 return r; 3136 3137 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 3138 if (r) { 3139 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 3140 return r; 3141 } 3142 3143 r600_uvd_start(rdev); 3144 3145 /* Enable IRQ */ 3146 if (!rdev->irq.installed) { 3147 r = radeon_irq_kms_init(rdev); 3148 if (r) 3149 return r; 3150 } 3151 3152 r = r600_irq_init(rdev); 3153 if (r) { 3154 DRM_ERROR("radeon: IH init failed (%d).\n", r); 3155 radeon_irq_kms_fini(rdev); 3156 return r; 3157 } 3158 r600_irq_set(rdev); 3159 3160 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 3161 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 3162 RADEON_CP_PACKET2); 3163 if (r) 3164 return r; 3165 3166 r = r600_cp_load_microcode(rdev); 3167 if (r) 3168 return r; 3169 r = r600_cp_resume(rdev); 3170 if (r) 3171 return r; 3172 3173 r600_uvd_resume(rdev); 3174 3175 r = radeon_ib_pool_init(rdev); 3176 if (r) { 3177 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 3178 return r; 3179 } 3180 3181 r = radeon_audio_init(rdev); 3182 if (r) { 3183 DRM_ERROR("radeon: audio init failed\n"); 3184 return r; 3185 } 3186 3187 return 0; 3188 } 3189 3190 void r600_vga_set_state(struct radeon_device *rdev, bool state) 3191 { 3192 uint32_t temp; 3193 3194 temp = RREG32(CONFIG_CNTL); 3195 if (!state) { 3196 temp &= ~(1<<0); 3197 temp |= (1<<1); 3198 } else { 3199 temp &= ~(1<<1); 3200 } 3201 WREG32(CONFIG_CNTL, temp); 3202 } 3203 3204 int r600_resume(struct radeon_device *rdev) 3205 { 3206 int r; 3207 3208 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw, 3209 * posting will perform necessary task to bring back GPU into good 3210 * shape. 3211 */ 3212 /* post card */ 3213 atom_asic_init(rdev->mode_info.atom_context); 3214 3215 if (rdev->pm.pm_method == PM_METHOD_DPM) 3216 radeon_pm_resume(rdev); 3217 3218 rdev->accel_working = true; 3219 r = r600_startup(rdev); 3220 if (r) { 3221 DRM_ERROR("r600 startup failed on resume\n"); 3222 rdev->accel_working = false; 3223 return r; 3224 } 3225 3226 return r; 3227 } 3228 3229 int r600_suspend(struct radeon_device *rdev) 3230 { 3231 radeon_pm_suspend(rdev); 3232 radeon_audio_fini(rdev); 3233 r600_cp_stop(rdev); 3234 if (rdev->has_uvd) { 3235 radeon_uvd_suspend(rdev); 3236 uvd_v1_0_fini(rdev); 3237 } 3238 r600_irq_suspend(rdev); 3239 radeon_wb_disable(rdev); 3240 r600_pcie_gart_disable(rdev); 3241 3242 return 0; 3243 } 3244 3245 /* Plan is to move initialization in that function and use 3246 * helper function so that radeon_device_init pretty much 3247 * do nothing more than calling asic specific function. This 3248 * should also allow to remove a bunch of callback function 3249 * like vram_info. 3250 */ 3251 int r600_init(struct radeon_device *rdev) 3252 { 3253 int r; 3254 3255 r600_debugfs_mc_info_init(rdev); 3256 /* Read BIOS */ 3257 if (!radeon_get_bios(rdev)) { 3258 if (ASIC_IS_AVIVO(rdev)) 3259 return -EINVAL; 3260 } 3261 /* Must be an ATOMBIOS */ 3262 if (!rdev->is_atom_bios) { 3263 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n"); 3264 return -EINVAL; 3265 } 3266 r = radeon_atombios_init(rdev); 3267 if (r) 3268 return r; 3269 /* Post card if necessary */ 3270 if (!radeon_card_posted(rdev)) { 3271 if (!rdev->bios) { 3272 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 3273 return -EINVAL; 3274 } 3275 DRM_INFO("GPU not posted. posting now...\n"); 3276 atom_asic_init(rdev->mode_info.atom_context); 3277 } 3278 /* Initialize scratch registers */ 3279 r600_scratch_init(rdev); 3280 /* Initialize surface registers */ 3281 radeon_surface_init(rdev); 3282 /* Initialize clocks */ 3283 radeon_get_clock_info(rdev->ddev); 3284 /* Fence driver */ 3285 radeon_fence_driver_init(rdev); 3286 if (rdev->flags & RADEON_IS_AGP) { 3287 r = radeon_agp_init(rdev); 3288 if (r) 3289 radeon_agp_disable(rdev); 3290 } 3291 r = r600_mc_init(rdev); 3292 if (r) 3293 return r; 3294 /* Memory manager */ 3295 r = radeon_bo_init(rdev); 3296 if (r) 3297 return r; 3298 3299 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 3300 r = r600_init_microcode(rdev); 3301 if (r) { 3302 DRM_ERROR("Failed to load firmware!\n"); 3303 return r; 3304 } 3305 } 3306 3307 /* Initialize power management */ 3308 radeon_pm_init(rdev); 3309 3310 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL; 3311 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024); 3312 3313 r600_uvd_init(rdev); 3314 3315 rdev->ih.ring_obj = NULL; 3316 r600_ih_ring_init(rdev, 64 * 1024); 3317 3318 r = r600_pcie_gart_init(rdev); 3319 if (r) 3320 return r; 3321 3322 rdev->accel_working = true; 3323 r = r600_startup(rdev); 3324 if (r) { 3325 dev_err(rdev->dev, "disabling GPU acceleration\n"); 3326 r600_cp_fini(rdev); 3327 r600_irq_fini(rdev); 3328 radeon_wb_fini(rdev); 3329 radeon_ib_pool_fini(rdev); 3330 radeon_irq_kms_fini(rdev); 3331 r600_pcie_gart_fini(rdev); 3332 rdev->accel_working = false; 3333 } 3334 3335 return 0; 3336 } 3337 3338 void r600_fini(struct radeon_device *rdev) 3339 { 3340 radeon_pm_fini(rdev); 3341 radeon_audio_fini(rdev); 3342 r600_cp_fini(rdev); 3343 r600_irq_fini(rdev); 3344 if (rdev->has_uvd) { 3345 uvd_v1_0_fini(rdev); 3346 radeon_uvd_fini(rdev); 3347 } 3348 radeon_wb_fini(rdev); 3349 radeon_ib_pool_fini(rdev); 3350 radeon_irq_kms_fini(rdev); 3351 r600_pcie_gart_fini(rdev); 3352 r600_vram_scratch_fini(rdev); 3353 radeon_agp_fini(rdev); 3354 radeon_gem_fini(rdev); 3355 radeon_fence_driver_fini(rdev); 3356 radeon_bo_fini(rdev); 3357 radeon_atombios_fini(rdev); 3358 kfree(rdev->bios); 3359 rdev->bios = NULL; 3360 } 3361 3362 3363 /* 3364 * CS stuff 3365 */ 3366 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 3367 { 3368 struct radeon_ring *ring = &rdev->ring[ib->ring]; 3369 u32 next_rptr; 3370 3371 if (ring->rptr_save_reg) { 3372 next_rptr = ring->wptr + 3 + 4; 3373 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 3374 radeon_ring_write(ring, ((ring->rptr_save_reg - 3375 PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 3376 radeon_ring_write(ring, next_rptr); 3377 } else if (rdev->wb.enabled) { 3378 next_rptr = ring->wptr + 5 + 4; 3379 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3)); 3380 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); 3381 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18)); 3382 radeon_ring_write(ring, next_rptr); 3383 radeon_ring_write(ring, 0); 3384 } 3385 3386 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 3387 radeon_ring_write(ring, 3388 #ifdef __BIG_ENDIAN 3389 (2 << 0) | 3390 #endif 3391 (ib->gpu_addr & 0xFFFFFFFC)); 3392 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 3393 radeon_ring_write(ring, ib->length_dw); 3394 } 3395 3396 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) 3397 { 3398 struct radeon_ib ib; 3399 uint32_t scratch; 3400 uint32_t tmp = 0; 3401 unsigned i; 3402 int r; 3403 3404 r = radeon_scratch_get(rdev, &scratch); 3405 if (r) { 3406 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 3407 return r; 3408 } 3409 WREG32(scratch, 0xCAFEDEAD); 3410 r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); 3411 if (r) { 3412 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 3413 goto free_scratch; 3414 } 3415 ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1); 3416 ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 3417 ib.ptr[2] = 0xDEADBEEF; 3418 ib.length_dw = 3; 3419 r = radeon_ib_schedule(rdev, &ib, NULL, false); 3420 if (r) { 3421 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 3422 goto free_ib; 3423 } 3424 r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies( 3425 RADEON_USEC_IB_TEST_TIMEOUT)); 3426 if (r < 0) { 3427 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 3428 goto free_ib; 3429 } else if (r == 0) { 3430 DRM_ERROR("radeon: fence wait timed out.\n"); 3431 r = -ETIMEDOUT; 3432 goto free_ib; 3433 } 3434 r = 0; 3435 for (i = 0; i < rdev->usec_timeout; i++) { 3436 tmp = RREG32(scratch); 3437 if (tmp == 0xDEADBEEF) 3438 break; 3439 udelay(1); 3440 } 3441 if (i < rdev->usec_timeout) { 3442 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i); 3443 } else { 3444 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 3445 scratch, tmp); 3446 r = -EINVAL; 3447 } 3448 free_ib: 3449 radeon_ib_free(rdev, &ib); 3450 free_scratch: 3451 radeon_scratch_free(rdev, scratch); 3452 return r; 3453 } 3454 3455 /* 3456 * Interrupts 3457 * 3458 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty 3459 * the same as the CP ring buffer, but in reverse. Rather than the CPU 3460 * writing to the ring and the GPU consuming, the GPU writes to the ring 3461 * and host consumes. As the host irq handler processes interrupts, it 3462 * increments the rptr. When the rptr catches up with the wptr, all the 3463 * current interrupts have been processed. 3464 */ 3465 3466 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size) 3467 { 3468 u32 rb_bufsz; 3469 3470 /* Align ring size */ 3471 rb_bufsz = order_base_2(ring_size / 4); 3472 ring_size = (1 << rb_bufsz) * 4; 3473 rdev->ih.ring_size = ring_size; 3474 rdev->ih.ptr_mask = rdev->ih.ring_size - 1; 3475 rdev->ih.rptr = 0; 3476 } 3477 3478 int r600_ih_ring_alloc(struct radeon_device *rdev) 3479 { 3480 int r; 3481 3482 /* Allocate ring buffer */ 3483 if (rdev->ih.ring_obj == NULL) { 3484 r = radeon_bo_create(rdev, rdev->ih.ring_size, 3485 PAGE_SIZE, true, 3486 RADEON_GEM_DOMAIN_GTT, 0, 3487 NULL, NULL, &rdev->ih.ring_obj); 3488 if (r) { 3489 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r); 3490 return r; 3491 } 3492 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 3493 if (unlikely(r != 0)) 3494 return r; 3495 r = radeon_bo_pin(rdev->ih.ring_obj, 3496 RADEON_GEM_DOMAIN_GTT, 3497 &rdev->ih.gpu_addr); 3498 if (r) { 3499 radeon_bo_unreserve(rdev->ih.ring_obj); 3500 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r); 3501 return r; 3502 } 3503 r = radeon_bo_kmap(rdev->ih.ring_obj, 3504 (void **)&rdev->ih.ring); 3505 radeon_bo_unreserve(rdev->ih.ring_obj); 3506 if (r) { 3507 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r); 3508 return r; 3509 } 3510 } 3511 return 0; 3512 } 3513 3514 void r600_ih_ring_fini(struct radeon_device *rdev) 3515 { 3516 int r; 3517 if (rdev->ih.ring_obj) { 3518 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 3519 if (likely(r == 0)) { 3520 radeon_bo_kunmap(rdev->ih.ring_obj); 3521 radeon_bo_unpin(rdev->ih.ring_obj); 3522 radeon_bo_unreserve(rdev->ih.ring_obj); 3523 } 3524 radeon_bo_unref(&rdev->ih.ring_obj); 3525 rdev->ih.ring = NULL; 3526 rdev->ih.ring_obj = NULL; 3527 } 3528 } 3529 3530 void r600_rlc_stop(struct radeon_device *rdev) 3531 { 3532 3533 if ((rdev->family >= CHIP_RV770) && 3534 (rdev->family <= CHIP_RV740)) { 3535 /* r7xx asics need to soft reset RLC before halting */ 3536 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC); 3537 RREG32(SRBM_SOFT_RESET); 3538 mdelay(15); 3539 WREG32(SRBM_SOFT_RESET, 0); 3540 RREG32(SRBM_SOFT_RESET); 3541 } 3542 3543 WREG32(RLC_CNTL, 0); 3544 } 3545 3546 static void r600_rlc_start(struct radeon_device *rdev) 3547 { 3548 WREG32(RLC_CNTL, RLC_ENABLE); 3549 } 3550 3551 static int r600_rlc_resume(struct radeon_device *rdev) 3552 { 3553 u32 i; 3554 const __be32 *fw_data; 3555 3556 if (!rdev->rlc_fw) 3557 return -EINVAL; 3558 3559 r600_rlc_stop(rdev); 3560 3561 WREG32(RLC_HB_CNTL, 0); 3562 3563 WREG32(RLC_HB_BASE, 0); 3564 WREG32(RLC_HB_RPTR, 0); 3565 WREG32(RLC_HB_WPTR, 0); 3566 WREG32(RLC_HB_WPTR_LSB_ADDR, 0); 3567 WREG32(RLC_HB_WPTR_MSB_ADDR, 0); 3568 WREG32(RLC_MC_CNTL, 0); 3569 WREG32(RLC_UCODE_CNTL, 0); 3570 3571 fw_data = (const __be32 *)rdev->rlc_fw->data; 3572 if (rdev->family >= CHIP_RV770) { 3573 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) { 3574 WREG32(RLC_UCODE_ADDR, i); 3575 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3576 } 3577 } else { 3578 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) { 3579 WREG32(RLC_UCODE_ADDR, i); 3580 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3581 } 3582 } 3583 WREG32(RLC_UCODE_ADDR, 0); 3584 3585 r600_rlc_start(rdev); 3586 3587 return 0; 3588 } 3589 3590 static void r600_enable_interrupts(struct radeon_device *rdev) 3591 { 3592 u32 ih_cntl = RREG32(IH_CNTL); 3593 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3594 3595 ih_cntl |= ENABLE_INTR; 3596 ih_rb_cntl |= IH_RB_ENABLE; 3597 WREG32(IH_CNTL, ih_cntl); 3598 WREG32(IH_RB_CNTL, ih_rb_cntl); 3599 rdev->ih.enabled = true; 3600 } 3601 3602 void r600_disable_interrupts(struct radeon_device *rdev) 3603 { 3604 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3605 u32 ih_cntl = RREG32(IH_CNTL); 3606 3607 ih_rb_cntl &= ~IH_RB_ENABLE; 3608 ih_cntl &= ~ENABLE_INTR; 3609 WREG32(IH_RB_CNTL, ih_rb_cntl); 3610 WREG32(IH_CNTL, ih_cntl); 3611 /* set rptr, wptr to 0 */ 3612 WREG32(IH_RB_RPTR, 0); 3613 WREG32(IH_RB_WPTR, 0); 3614 rdev->ih.enabled = false; 3615 rdev->ih.rptr = 0; 3616 } 3617 3618 static void r600_disable_interrupt_state(struct radeon_device *rdev) 3619 { 3620 u32 tmp; 3621 3622 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 3623 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 3624 WREG32(DMA_CNTL, tmp); 3625 WREG32(GRBM_INT_CNTL, 0); 3626 WREG32(DxMODE_INT_MASK, 0); 3627 WREG32(D1GRPH_INTERRUPT_CONTROL, 0); 3628 WREG32(D2GRPH_INTERRUPT_CONTROL, 0); 3629 if (ASIC_IS_DCE3(rdev)) { 3630 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); 3631 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); 3632 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3633 WREG32(DC_HPD1_INT_CONTROL, tmp); 3634 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3635 WREG32(DC_HPD2_INT_CONTROL, tmp); 3636 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3637 WREG32(DC_HPD3_INT_CONTROL, tmp); 3638 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3639 WREG32(DC_HPD4_INT_CONTROL, tmp); 3640 if (ASIC_IS_DCE32(rdev)) { 3641 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3642 WREG32(DC_HPD5_INT_CONTROL, tmp); 3643 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3644 WREG32(DC_HPD6_INT_CONTROL, tmp); 3645 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3646 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp); 3647 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3648 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp); 3649 } else { 3650 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3651 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3652 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3653 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp); 3654 } 3655 } else { 3656 WREG32(DACA_AUTODETECT_INT_CONTROL, 0); 3657 WREG32(DACB_AUTODETECT_INT_CONTROL, 0); 3658 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3659 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3660 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3661 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3662 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3663 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3664 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3665 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3666 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3667 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp); 3668 } 3669 } 3670 3671 int r600_irq_init(struct radeon_device *rdev) 3672 { 3673 int ret = 0; 3674 int rb_bufsz; 3675 u32 interrupt_cntl, ih_cntl, ih_rb_cntl; 3676 3677 /* allocate ring */ 3678 ret = r600_ih_ring_alloc(rdev); 3679 if (ret) 3680 return ret; 3681 3682 /* disable irqs */ 3683 r600_disable_interrupts(rdev); 3684 3685 /* init rlc */ 3686 if (rdev->family >= CHIP_CEDAR) 3687 ret = evergreen_rlc_resume(rdev); 3688 else 3689 ret = r600_rlc_resume(rdev); 3690 if (ret) { 3691 r600_ih_ring_fini(rdev); 3692 return ret; 3693 } 3694 3695 /* setup interrupt control */ 3696 /* set dummy read address to dummy page address */ 3697 WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8); 3698 interrupt_cntl = RREG32(INTERRUPT_CNTL); 3699 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi 3700 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN 3701 */ 3702 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; 3703 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ 3704 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; 3705 WREG32(INTERRUPT_CNTL, interrupt_cntl); 3706 3707 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); 3708 rb_bufsz = order_base_2(rdev->ih.ring_size / 4); 3709 3710 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | 3711 IH_WPTR_OVERFLOW_CLEAR | 3712 (rb_bufsz << 1)); 3713 3714 if (rdev->wb.enabled) 3715 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE; 3716 3717 /* set the writeback address whether it's enabled or not */ 3718 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC); 3719 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF); 3720 3721 WREG32(IH_RB_CNTL, ih_rb_cntl); 3722 3723 /* set rptr, wptr to 0 */ 3724 WREG32(IH_RB_RPTR, 0); 3725 WREG32(IH_RB_WPTR, 0); 3726 3727 /* Default settings for IH_CNTL (disabled at first) */ 3728 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10); 3729 /* RPTR_REARM only works if msi's are enabled */ 3730 if (rdev->msi_enabled) 3731 ih_cntl |= RPTR_REARM; 3732 WREG32(IH_CNTL, ih_cntl); 3733 3734 /* force the active interrupt state to all disabled */ 3735 if (rdev->family >= CHIP_CEDAR) 3736 evergreen_disable_interrupt_state(rdev); 3737 else 3738 r600_disable_interrupt_state(rdev); 3739 3740 /* at this point everything should be setup correctly to enable master */ 3741 pci_set_master(rdev->pdev); 3742 3743 /* enable irqs */ 3744 r600_enable_interrupts(rdev); 3745 3746 return ret; 3747 } 3748 3749 void r600_irq_suspend(struct radeon_device *rdev) 3750 { 3751 r600_irq_disable(rdev); 3752 r600_rlc_stop(rdev); 3753 } 3754 3755 void r600_irq_fini(struct radeon_device *rdev) 3756 { 3757 r600_irq_suspend(rdev); 3758 r600_ih_ring_fini(rdev); 3759 } 3760 3761 int r600_irq_set(struct radeon_device *rdev) 3762 { 3763 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; 3764 u32 mode_int = 0; 3765 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; 3766 u32 grbm_int_cntl = 0; 3767 u32 hdmi0, hdmi1; 3768 u32 dma_cntl; 3769 u32 thermal_int = 0; 3770 3771 if (!rdev->irq.installed) { 3772 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 3773 return -EINVAL; 3774 } 3775 /* don't enable anything if the ih is disabled */ 3776 if (!rdev->ih.enabled) { 3777 r600_disable_interrupts(rdev); 3778 /* force the active interrupt state to all disabled */ 3779 r600_disable_interrupt_state(rdev); 3780 return 0; 3781 } 3782 3783 if (ASIC_IS_DCE3(rdev)) { 3784 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3785 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3786 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3787 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; 3788 if (ASIC_IS_DCE32(rdev)) { 3789 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; 3790 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; 3791 hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 3792 hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 3793 } else { 3794 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3795 hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3796 } 3797 } else { 3798 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3799 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3800 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3801 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3802 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3803 } 3804 3805 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 3806 3807 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { 3808 thermal_int = RREG32(CG_THERMAL_INT) & 3809 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); 3810 } else if (rdev->family >= CHIP_RV770) { 3811 thermal_int = RREG32(RV770_CG_THERMAL_INT) & 3812 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); 3813 } 3814 if (rdev->irq.dpm_thermal) { 3815 DRM_DEBUG("dpm thermal\n"); 3816 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW; 3817 } 3818 3819 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 3820 DRM_DEBUG("r600_irq_set: sw int\n"); 3821 cp_int_cntl |= RB_INT_ENABLE; 3822 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 3823 } 3824 3825 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) { 3826 DRM_DEBUG("r600_irq_set: sw int dma\n"); 3827 dma_cntl |= TRAP_ENABLE; 3828 } 3829 3830 if (rdev->irq.crtc_vblank_int[0] || 3831 atomic_read(&rdev->irq.pflip[0])) { 3832 DRM_DEBUG("r600_irq_set: vblank 0\n"); 3833 mode_int |= D1MODE_VBLANK_INT_MASK; 3834 } 3835 if (rdev->irq.crtc_vblank_int[1] || 3836 atomic_read(&rdev->irq.pflip[1])) { 3837 DRM_DEBUG("r600_irq_set: vblank 1\n"); 3838 mode_int |= D2MODE_VBLANK_INT_MASK; 3839 } 3840 if (rdev->irq.hpd[0]) { 3841 DRM_DEBUG("r600_irq_set: hpd 1\n"); 3842 hpd1 |= DC_HPDx_INT_EN; 3843 } 3844 if (rdev->irq.hpd[1]) { 3845 DRM_DEBUG("r600_irq_set: hpd 2\n"); 3846 hpd2 |= DC_HPDx_INT_EN; 3847 } 3848 if (rdev->irq.hpd[2]) { 3849 DRM_DEBUG("r600_irq_set: hpd 3\n"); 3850 hpd3 |= DC_HPDx_INT_EN; 3851 } 3852 if (rdev->irq.hpd[3]) { 3853 DRM_DEBUG("r600_irq_set: hpd 4\n"); 3854 hpd4 |= DC_HPDx_INT_EN; 3855 } 3856 if (rdev->irq.hpd[4]) { 3857 DRM_DEBUG("r600_irq_set: hpd 5\n"); 3858 hpd5 |= DC_HPDx_INT_EN; 3859 } 3860 if (rdev->irq.hpd[5]) { 3861 DRM_DEBUG("r600_irq_set: hpd 6\n"); 3862 hpd6 |= DC_HPDx_INT_EN; 3863 } 3864 if (rdev->irq.afmt[0]) { 3865 DRM_DEBUG("r600_irq_set: hdmi 0\n"); 3866 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK; 3867 } 3868 if (rdev->irq.afmt[1]) { 3869 DRM_DEBUG("r600_irq_set: hdmi 0\n"); 3870 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK; 3871 } 3872 3873 WREG32(CP_INT_CNTL, cp_int_cntl); 3874 WREG32(DMA_CNTL, dma_cntl); 3875 WREG32(DxMODE_INT_MASK, mode_int); 3876 WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK); 3877 WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK); 3878 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 3879 if (ASIC_IS_DCE3(rdev)) { 3880 WREG32(DC_HPD1_INT_CONTROL, hpd1); 3881 WREG32(DC_HPD2_INT_CONTROL, hpd2); 3882 WREG32(DC_HPD3_INT_CONTROL, hpd3); 3883 WREG32(DC_HPD4_INT_CONTROL, hpd4); 3884 if (ASIC_IS_DCE32(rdev)) { 3885 WREG32(DC_HPD5_INT_CONTROL, hpd5); 3886 WREG32(DC_HPD6_INT_CONTROL, hpd6); 3887 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0); 3888 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1); 3889 } else { 3890 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 3891 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1); 3892 } 3893 } else { 3894 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 3895 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 3896 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3); 3897 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 3898 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1); 3899 } 3900 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { 3901 WREG32(CG_THERMAL_INT, thermal_int); 3902 } else if (rdev->family >= CHIP_RV770) { 3903 WREG32(RV770_CG_THERMAL_INT, thermal_int); 3904 } 3905 3906 /* posting read */ 3907 RREG32(R_000E50_SRBM_STATUS); 3908 3909 return 0; 3910 } 3911 3912 static void r600_irq_ack(struct radeon_device *rdev) 3913 { 3914 u32 tmp; 3915 3916 if (ASIC_IS_DCE3(rdev)) { 3917 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); 3918 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); 3919 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); 3920 if (ASIC_IS_DCE32(rdev)) { 3921 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0); 3922 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1); 3923 } else { 3924 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS); 3925 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS); 3926 } 3927 } else { 3928 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS); 3929 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 3930 rdev->irq.stat_regs.r600.disp_int_cont2 = 0; 3931 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS); 3932 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS); 3933 } 3934 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS); 3935 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS); 3936 3937 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3938 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3939 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3940 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3941 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) 3942 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3943 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) 3944 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3945 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) 3946 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3947 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) 3948 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3949 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3950 if (ASIC_IS_DCE3(rdev)) { 3951 tmp = RREG32(DC_HPD1_INT_CONTROL); 3952 tmp |= DC_HPDx_INT_ACK; 3953 WREG32(DC_HPD1_INT_CONTROL, tmp); 3954 } else { 3955 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 3956 tmp |= DC_HPDx_INT_ACK; 3957 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3958 } 3959 } 3960 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3961 if (ASIC_IS_DCE3(rdev)) { 3962 tmp = RREG32(DC_HPD2_INT_CONTROL); 3963 tmp |= DC_HPDx_INT_ACK; 3964 WREG32(DC_HPD2_INT_CONTROL, tmp); 3965 } else { 3966 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 3967 tmp |= DC_HPDx_INT_ACK; 3968 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3969 } 3970 } 3971 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3972 if (ASIC_IS_DCE3(rdev)) { 3973 tmp = RREG32(DC_HPD3_INT_CONTROL); 3974 tmp |= DC_HPDx_INT_ACK; 3975 WREG32(DC_HPD3_INT_CONTROL, tmp); 3976 } else { 3977 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 3978 tmp |= DC_HPDx_INT_ACK; 3979 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3980 } 3981 } 3982 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3983 tmp = RREG32(DC_HPD4_INT_CONTROL); 3984 tmp |= DC_HPDx_INT_ACK; 3985 WREG32(DC_HPD4_INT_CONTROL, tmp); 3986 } 3987 if (ASIC_IS_DCE32(rdev)) { 3988 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3989 tmp = RREG32(DC_HPD5_INT_CONTROL); 3990 tmp |= DC_HPDx_INT_ACK; 3991 WREG32(DC_HPD5_INT_CONTROL, tmp); 3992 } 3993 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3994 tmp = RREG32(DC_HPD6_INT_CONTROL); 3995 tmp |= DC_HPDx_INT_ACK; 3996 WREG32(DC_HPD6_INT_CONTROL, tmp); 3997 } 3998 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) { 3999 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0); 4000 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 4001 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp); 4002 } 4003 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) { 4004 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1); 4005 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 4006 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp); 4007 } 4008 } else { 4009 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) { 4010 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL); 4011 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 4012 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 4013 } 4014 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) { 4015 if (ASIC_IS_DCE3(rdev)) { 4016 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL); 4017 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 4018 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp); 4019 } else { 4020 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL); 4021 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 4022 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp); 4023 } 4024 } 4025 } 4026 } 4027 4028 void r600_irq_disable(struct radeon_device *rdev) 4029 { 4030 r600_disable_interrupts(rdev); 4031 /* Wait and acknowledge irq */ 4032 mdelay(1); 4033 r600_irq_ack(rdev); 4034 r600_disable_interrupt_state(rdev); 4035 } 4036 4037 static u32 r600_get_ih_wptr(struct radeon_device *rdev) 4038 { 4039 u32 wptr, tmp; 4040 4041 if (rdev->wb.enabled) 4042 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); 4043 else 4044 wptr = RREG32(IH_RB_WPTR); 4045 4046 if (wptr & RB_OVERFLOW) { 4047 wptr &= ~RB_OVERFLOW; 4048 /* When a ring buffer overflow happen start parsing interrupt 4049 * from the last not overwritten vector (wptr + 16). Hopefully 4050 * this should allow us to catchup. 4051 */ 4052 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n", 4053 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask); 4054 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; 4055 tmp = RREG32(IH_RB_CNTL); 4056 tmp |= IH_WPTR_OVERFLOW_CLEAR; 4057 WREG32(IH_RB_CNTL, tmp); 4058 } 4059 return (wptr & rdev->ih.ptr_mask); 4060 } 4061 4062 /* r600 IV Ring 4063 * Each IV ring entry is 128 bits: 4064 * [7:0] - interrupt source id 4065 * [31:8] - reserved 4066 * [59:32] - interrupt source data 4067 * [127:60] - reserved 4068 * 4069 * The basic interrupt vector entries 4070 * are decoded as follows: 4071 * src_id src_data description 4072 * 1 0 D1 Vblank 4073 * 1 1 D1 Vline 4074 * 5 0 D2 Vblank 4075 * 5 1 D2 Vline 4076 * 19 0 FP Hot plug detection A 4077 * 19 1 FP Hot plug detection B 4078 * 19 2 DAC A auto-detection 4079 * 19 3 DAC B auto-detection 4080 * 21 4 HDMI block A 4081 * 21 5 HDMI block B 4082 * 176 - CP_INT RB 4083 * 177 - CP_INT IB1 4084 * 178 - CP_INT IB2 4085 * 181 - EOP Interrupt 4086 * 233 - GUI Idle 4087 * 4088 * Note, these are based on r600 and may need to be 4089 * adjusted or added to on newer asics 4090 */ 4091 4092 int r600_irq_process(struct radeon_device *rdev) 4093 { 4094 u32 wptr; 4095 u32 rptr; 4096 u32 src_id, src_data; 4097 u32 ring_index; 4098 bool queue_hotplug = false; 4099 bool queue_hdmi = false; 4100 bool queue_thermal = false; 4101 4102 if (!rdev->ih.enabled || rdev->shutdown) 4103 return IRQ_NONE; 4104 4105 /* No MSIs, need a dummy read to flush PCI DMAs */ 4106 if (!rdev->msi_enabled) 4107 RREG32(IH_RB_WPTR); 4108 4109 wptr = r600_get_ih_wptr(rdev); 4110 4111 restart_ih: 4112 /* is somebody else already processing irqs? */ 4113 if (atomic_xchg(&rdev->ih.lock, 1)) 4114 return IRQ_NONE; 4115 4116 rptr = rdev->ih.rptr; 4117 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 4118 4119 /* Order reading of wptr vs. reading of IH ring data */ 4120 rmb(); 4121 4122 /* display interrupts */ 4123 r600_irq_ack(rdev); 4124 4125 while (rptr != wptr) { 4126 /* wptr/rptr are in bytes! */ 4127 ring_index = rptr / 4; 4128 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 4129 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 4130 4131 switch (src_id) { 4132 case 1: /* D1 vblank/vline */ 4133 switch (src_data) { 4134 case 0: /* D1 vblank */ 4135 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)) 4136 DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n"); 4137 4138 if (rdev->irq.crtc_vblank_int[0]) { 4139 drm_handle_vblank(rdev->ddev, 0); 4140 rdev->pm.vblank_sync = true; 4141 wake_up(&rdev->irq.vblank_queue); 4142 } 4143 if (atomic_read(&rdev->irq.pflip[0])) 4144 radeon_crtc_handle_vblank(rdev, 0); 4145 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT; 4146 DRM_DEBUG("IH: D1 vblank\n"); 4147 4148 break; 4149 case 1: /* D1 vline */ 4150 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)) 4151 DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n"); 4152 4153 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT; 4154 DRM_DEBUG("IH: D1 vline\n"); 4155 4156 break; 4157 default: 4158 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4159 break; 4160 } 4161 break; 4162 case 5: /* D2 vblank/vline */ 4163 switch (src_data) { 4164 case 0: /* D2 vblank */ 4165 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)) 4166 DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n"); 4167 4168 if (rdev->irq.crtc_vblank_int[1]) { 4169 drm_handle_vblank(rdev->ddev, 1); 4170 rdev->pm.vblank_sync = true; 4171 wake_up(&rdev->irq.vblank_queue); 4172 } 4173 if (atomic_read(&rdev->irq.pflip[1])) 4174 radeon_crtc_handle_vblank(rdev, 1); 4175 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT; 4176 DRM_DEBUG("IH: D2 vblank\n"); 4177 4178 break; 4179 case 1: /* D1 vline */ 4180 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)) 4181 DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n"); 4182 4183 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT; 4184 DRM_DEBUG("IH: D2 vline\n"); 4185 4186 break; 4187 default: 4188 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4189 break; 4190 } 4191 break; 4192 case 9: /* D1 pflip */ 4193 DRM_DEBUG("IH: D1 flip\n"); 4194 if (radeon_use_pflipirq > 0) 4195 radeon_crtc_handle_flip(rdev, 0); 4196 break; 4197 case 11: /* D2 pflip */ 4198 DRM_DEBUG("IH: D2 flip\n"); 4199 if (radeon_use_pflipirq > 0) 4200 radeon_crtc_handle_flip(rdev, 1); 4201 break; 4202 case 19: /* HPD/DAC hotplug */ 4203 switch (src_data) { 4204 case 0: 4205 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT)) 4206 DRM_DEBUG("IH: HPD1 - IH event w/o asserted irq bit?\n"); 4207 4208 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT; 4209 queue_hotplug = true; 4210 DRM_DEBUG("IH: HPD1\n"); 4211 break; 4212 case 1: 4213 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT)) 4214 DRM_DEBUG("IH: HPD2 - IH event w/o asserted irq bit?\n"); 4215 4216 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT; 4217 queue_hotplug = true; 4218 DRM_DEBUG("IH: HPD2\n"); 4219 break; 4220 case 4: 4221 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT)) 4222 DRM_DEBUG("IH: HPD3 - IH event w/o asserted irq bit?\n"); 4223 4224 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT; 4225 queue_hotplug = true; 4226 DRM_DEBUG("IH: HPD3\n"); 4227 break; 4228 case 5: 4229 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT)) 4230 DRM_DEBUG("IH: HPD4 - IH event w/o asserted irq bit?\n"); 4231 4232 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT; 4233 queue_hotplug = true; 4234 DRM_DEBUG("IH: HPD4\n"); 4235 break; 4236 case 10: 4237 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT)) 4238 DRM_DEBUG("IH: HPD5 - IH event w/o asserted irq bit?\n"); 4239 4240 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT; 4241 queue_hotplug = true; 4242 DRM_DEBUG("IH: HPD5\n"); 4243 break; 4244 case 12: 4245 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT)) 4246 DRM_DEBUG("IH: HPD6 - IH event w/o asserted irq bit?\n"); 4247 4248 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT; 4249 queue_hotplug = true; 4250 DRM_DEBUG("IH: HPD6\n"); 4251 4252 break; 4253 default: 4254 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4255 break; 4256 } 4257 break; 4258 case 21: /* hdmi */ 4259 switch (src_data) { 4260 case 4: 4261 if (!(rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG)) 4262 DRM_DEBUG("IH: HDMI0 - IH event w/o asserted irq bit?\n"); 4263 4264 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG; 4265 queue_hdmi = true; 4266 DRM_DEBUG("IH: HDMI0\n"); 4267 4268 break; 4269 case 5: 4270 if (!(rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG)) 4271 DRM_DEBUG("IH: HDMI1 - IH event w/o asserted irq bit?\n"); 4272 4273 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG; 4274 queue_hdmi = true; 4275 DRM_DEBUG("IH: HDMI1\n"); 4276 4277 break; 4278 default: 4279 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); 4280 break; 4281 } 4282 break; 4283 case 124: /* UVD */ 4284 DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); 4285 radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); 4286 break; 4287 case 176: /* CP_INT in ring buffer */ 4288 case 177: /* CP_INT in IB1 */ 4289 case 178: /* CP_INT in IB2 */ 4290 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); 4291 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 4292 break; 4293 case 181: /* CP EOP event */ 4294 DRM_DEBUG("IH: CP EOP\n"); 4295 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 4296 break; 4297 case 224: /* DMA trap event */ 4298 DRM_DEBUG("IH: DMA trap\n"); 4299 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX); 4300 break; 4301 case 230: /* thermal low to high */ 4302 DRM_DEBUG("IH: thermal low to high\n"); 4303 rdev->pm.dpm.thermal.high_to_low = false; 4304 queue_thermal = true; 4305 break; 4306 case 231: /* thermal high to low */ 4307 DRM_DEBUG("IH: thermal high to low\n"); 4308 rdev->pm.dpm.thermal.high_to_low = true; 4309 queue_thermal = true; 4310 break; 4311 case 233: /* GUI IDLE */ 4312 DRM_DEBUG("IH: GUI idle\n"); 4313 break; 4314 default: 4315 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4316 break; 4317 } 4318 4319 /* wptr/rptr are in bytes! */ 4320 rptr += 16; 4321 rptr &= rdev->ih.ptr_mask; 4322 WREG32(IH_RB_RPTR, rptr); 4323 } 4324 if (queue_hotplug) 4325 schedule_delayed_work(&rdev->hotplug_work, 0); 4326 if (queue_hdmi) 4327 schedule_work(&rdev->audio_work); 4328 if (queue_thermal && rdev->pm.dpm_enabled) 4329 schedule_work(&rdev->pm.dpm.thermal.work); 4330 rdev->ih.rptr = rptr; 4331 atomic_set(&rdev->ih.lock, 0); 4332 4333 /* make sure wptr hasn't changed while processing */ 4334 wptr = r600_get_ih_wptr(rdev); 4335 if (wptr != rptr) 4336 goto restart_ih; 4337 4338 return IRQ_HANDLED; 4339 } 4340 4341 /* 4342 * Debugfs info 4343 */ 4344 #if defined(CONFIG_DEBUG_FS) 4345 4346 static int r600_debugfs_mc_info_show(struct seq_file *m, void *unused) 4347 { 4348 struct radeon_device *rdev = m->private; 4349 4350 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS); 4351 DREG32_SYS(m, rdev, VM_L2_STATUS); 4352 return 0; 4353 } 4354 4355 DEFINE_SHOW_ATTRIBUTE(r600_debugfs_mc_info); 4356 #endif 4357 4358 static void r600_debugfs_mc_info_init(struct radeon_device *rdev) 4359 { 4360 #if defined(CONFIG_DEBUG_FS) 4361 struct dentry *root = rdev->ddev->primary->debugfs_root; 4362 4363 debugfs_create_file("r600_mc_info", 0444, root, rdev, 4364 &r600_debugfs_mc_info_fops); 4365 4366 #endif 4367 } 4368 4369 /** 4370 * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO 4371 * @rdev: radeon device structure 4372 * 4373 * Some R6XX/R7XX don't seem to take into account HDP flushes performed 4374 * through the ring buffer. This leads to corruption in rendering, see 4375 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we 4376 * directly perform the HDP flush by writing the register through MMIO. 4377 */ 4378 void r600_mmio_hdp_flush(struct radeon_device *rdev) 4379 { 4380 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 4381 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL. 4382 * This seems to cause problems on some AGP cards. Just use the old 4383 * method for them. 4384 */ 4385 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 4386 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) { 4387 void __iomem *ptr = (void *)rdev->vram_scratch.ptr; 4388 4389 WREG32(HDP_DEBUG1, 0); 4390 readl((void __iomem *)ptr); 4391 } else 4392 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 4393 } 4394 4395 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes) 4396 { 4397 u32 link_width_cntl, mask; 4398 4399 if (rdev->flags & RADEON_IS_IGP) 4400 return; 4401 4402 if (!(rdev->flags & RADEON_IS_PCIE)) 4403 return; 4404 4405 /* x2 cards have a special sequence */ 4406 if (ASIC_IS_X2(rdev)) 4407 return; 4408 4409 radeon_gui_idle(rdev); 4410 4411 switch (lanes) { 4412 case 0: 4413 mask = RADEON_PCIE_LC_LINK_WIDTH_X0; 4414 break; 4415 case 1: 4416 mask = RADEON_PCIE_LC_LINK_WIDTH_X1; 4417 break; 4418 case 2: 4419 mask = RADEON_PCIE_LC_LINK_WIDTH_X2; 4420 break; 4421 case 4: 4422 mask = RADEON_PCIE_LC_LINK_WIDTH_X4; 4423 break; 4424 case 8: 4425 mask = RADEON_PCIE_LC_LINK_WIDTH_X8; 4426 break; 4427 case 12: 4428 /* not actually supported */ 4429 mask = RADEON_PCIE_LC_LINK_WIDTH_X12; 4430 break; 4431 case 16: 4432 mask = RADEON_PCIE_LC_LINK_WIDTH_X16; 4433 break; 4434 default: 4435 DRM_ERROR("invalid pcie lane request: %d\n", lanes); 4436 return; 4437 } 4438 4439 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 4440 link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK; 4441 link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT; 4442 link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW | 4443 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE); 4444 4445 WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4446 } 4447 4448 int r600_get_pcie_lanes(struct radeon_device *rdev) 4449 { 4450 u32 link_width_cntl; 4451 4452 if (rdev->flags & RADEON_IS_IGP) 4453 return 0; 4454 4455 if (!(rdev->flags & RADEON_IS_PCIE)) 4456 return 0; 4457 4458 /* x2 cards have a special sequence */ 4459 if (ASIC_IS_X2(rdev)) 4460 return 0; 4461 4462 radeon_gui_idle(rdev); 4463 4464 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 4465 4466 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { 4467 case RADEON_PCIE_LC_LINK_WIDTH_X1: 4468 return 1; 4469 case RADEON_PCIE_LC_LINK_WIDTH_X2: 4470 return 2; 4471 case RADEON_PCIE_LC_LINK_WIDTH_X4: 4472 return 4; 4473 case RADEON_PCIE_LC_LINK_WIDTH_X8: 4474 return 8; 4475 case RADEON_PCIE_LC_LINK_WIDTH_X12: 4476 /* not actually supported */ 4477 return 12; 4478 case RADEON_PCIE_LC_LINK_WIDTH_X0: 4479 case RADEON_PCIE_LC_LINK_WIDTH_X16: 4480 default: 4481 return 16; 4482 } 4483 } 4484 4485 static void r600_pcie_gen2_enable(struct radeon_device *rdev) 4486 { 4487 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; 4488 u16 link_cntl2; 4489 4490 if (radeon_pcie_gen2 == 0) 4491 return; 4492 4493 if (rdev->flags & RADEON_IS_IGP) 4494 return; 4495 4496 if (!(rdev->flags & RADEON_IS_PCIE)) 4497 return; 4498 4499 /* x2 cards have a special sequence */ 4500 if (ASIC_IS_X2(rdev)) 4501 return; 4502 4503 /* only RV6xx+ chips are supported */ 4504 if (rdev->family <= CHIP_R600) 4505 return; 4506 4507 if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) && 4508 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT)) 4509 return; 4510 4511 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4512 if (speed_cntl & LC_CURRENT_DATA_RATE) { 4513 DRM_INFO("PCIE gen 2 link speeds already enabled\n"); 4514 return; 4515 } 4516 4517 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n"); 4518 4519 /* 55 nm r6xx asics */ 4520 if ((rdev->family == CHIP_RV670) || 4521 (rdev->family == CHIP_RV620) || 4522 (rdev->family == CHIP_RV635)) { 4523 /* advertise upconfig capability */ 4524 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4525 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 4526 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4527 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4528 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) { 4529 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT; 4530 link_width_cntl &= ~(LC_LINK_WIDTH_MASK | 4531 LC_RECONFIG_ARC_MISSING_ESCAPE); 4532 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN; 4533 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4534 } else { 4535 link_width_cntl |= LC_UPCONFIGURE_DIS; 4536 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4537 } 4538 } 4539 4540 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4541 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) && 4542 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { 4543 4544 /* 55 nm r6xx asics */ 4545 if ((rdev->family == CHIP_RV670) || 4546 (rdev->family == CHIP_RV620) || 4547 (rdev->family == CHIP_RV635)) { 4548 WREG32(MM_CFGREGS_CNTL, 0x8); 4549 link_cntl2 = RREG32(0x4088); 4550 WREG32(MM_CFGREGS_CNTL, 0); 4551 /* not supported yet */ 4552 if (link_cntl2 & SELECTABLE_DEEMPHASIS) 4553 return; 4554 } 4555 4556 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK; 4557 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT); 4558 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK; 4559 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE; 4560 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE; 4561 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4562 4563 tmp = RREG32(0x541c); 4564 WREG32(0x541c, tmp | 0x8); 4565 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN); 4566 link_cntl2 = RREG16(0x4088); 4567 link_cntl2 &= ~TARGET_LINK_SPEED_MASK; 4568 link_cntl2 |= 0x2; 4569 WREG16(0x4088, link_cntl2); 4570 WREG32(MM_CFGREGS_CNTL, 0); 4571 4572 if ((rdev->family == CHIP_RV670) || 4573 (rdev->family == CHIP_RV620) || 4574 (rdev->family == CHIP_RV635)) { 4575 training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL); 4576 training_cntl &= ~LC_POINT_7_PLUS_EN; 4577 WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl); 4578 } else { 4579 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4580 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; 4581 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4582 } 4583 4584 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4585 speed_cntl |= LC_GEN2_EN_STRAP; 4586 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4587 4588 } else { 4589 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4590 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ 4591 if (1) 4592 link_width_cntl |= LC_UPCONFIGURE_DIS; 4593 else 4594 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 4595 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4596 } 4597 } 4598 4599 /** 4600 * r600_get_gpu_clock_counter - return GPU clock counter snapshot 4601 * 4602 * @rdev: radeon_device pointer 4603 * 4604 * Fetches a GPU clock counter snapshot (R6xx-cayman). 4605 * Returns the 64 bit clock counter snapshot. 4606 */ 4607 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev) 4608 { 4609 uint64_t clock; 4610 4611 mutex_lock(&rdev->gpu_clock_mutex); 4612 WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1); 4613 clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) | 4614 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL); 4615 mutex_unlock(&rdev->gpu_clock_mutex); 4616 return clock; 4617 } 4618