radeon_r600.c revision 1.1.1.1
1 /* $NetBSD: radeon_r600.c,v 1.1.1.1 2021/12/18 20:15:50 riastradh Exp $ */ 2 3 /* 4 * Copyright 2008 Advanced Micro Devices, Inc. 5 * Copyright 2008 Red Hat Inc. 6 * Copyright 2009 Jerome Glisse. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 * OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * Authors: Dave Airlie 27 * Alex Deucher 28 * Jerome Glisse 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: radeon_r600.c,v 1.1.1.1 2021/12/18 20:15:50 riastradh Exp $"); 33 34 #include <linux/firmware.h> 35 #include <linux/module.h> 36 #include <linux/pci.h> 37 #include <linux/slab.h> 38 #include <linux/seq_file.h> 39 40 #include <drm/drm_debugfs.h> 41 #include <drm/drm_device.h> 42 #include <drm/drm_vblank.h> 43 #include <drm/radeon_drm.h> 44 45 #include "atom.h" 46 #include "avivod.h" 47 #include "r600d.h" 48 #include "radeon.h" 49 #include "radeon_asic.h" 50 #include "radeon_audio.h" 51 #include "radeon_mode.h" 52 #include "radeon_ucode.h" 53 54 /* Firmware Names */ 55 MODULE_FIRMWARE("radeon/R600_pfp.bin"); 56 MODULE_FIRMWARE("radeon/R600_me.bin"); 57 MODULE_FIRMWARE("radeon/RV610_pfp.bin"); 58 MODULE_FIRMWARE("radeon/RV610_me.bin"); 59 MODULE_FIRMWARE("radeon/RV630_pfp.bin"); 60 MODULE_FIRMWARE("radeon/RV630_me.bin"); 61 MODULE_FIRMWARE("radeon/RV620_pfp.bin"); 62 MODULE_FIRMWARE("radeon/RV620_me.bin"); 63 MODULE_FIRMWARE("radeon/RV635_pfp.bin"); 64 MODULE_FIRMWARE("radeon/RV635_me.bin"); 65 MODULE_FIRMWARE("radeon/RV670_pfp.bin"); 66 MODULE_FIRMWARE("radeon/RV670_me.bin"); 67 MODULE_FIRMWARE("radeon/RS780_pfp.bin"); 68 MODULE_FIRMWARE("radeon/RS780_me.bin"); 69 MODULE_FIRMWARE("radeon/RV770_pfp.bin"); 70 MODULE_FIRMWARE("radeon/RV770_me.bin"); 71 MODULE_FIRMWARE("radeon/RV770_smc.bin"); 72 MODULE_FIRMWARE("radeon/RV730_pfp.bin"); 73 MODULE_FIRMWARE("radeon/RV730_me.bin"); 74 MODULE_FIRMWARE("radeon/RV730_smc.bin"); 75 MODULE_FIRMWARE("radeon/RV740_smc.bin"); 76 MODULE_FIRMWARE("radeon/RV710_pfp.bin"); 77 MODULE_FIRMWARE("radeon/RV710_me.bin"); 78 MODULE_FIRMWARE("radeon/RV710_smc.bin"); 79 MODULE_FIRMWARE("radeon/R600_rlc.bin"); 80 MODULE_FIRMWARE("radeon/R700_rlc.bin"); 81 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin"); 82 MODULE_FIRMWARE("radeon/CEDAR_me.bin"); 83 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin"); 84 MODULE_FIRMWARE("radeon/CEDAR_smc.bin"); 85 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin"); 86 MODULE_FIRMWARE("radeon/REDWOOD_me.bin"); 87 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin"); 88 MODULE_FIRMWARE("radeon/REDWOOD_smc.bin"); 89 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin"); 90 MODULE_FIRMWARE("radeon/JUNIPER_me.bin"); 91 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin"); 92 MODULE_FIRMWARE("radeon/JUNIPER_smc.bin"); 93 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin"); 94 MODULE_FIRMWARE("radeon/CYPRESS_me.bin"); 95 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin"); 96 MODULE_FIRMWARE("radeon/CYPRESS_smc.bin"); 97 MODULE_FIRMWARE("radeon/PALM_pfp.bin"); 98 MODULE_FIRMWARE("radeon/PALM_me.bin"); 99 MODULE_FIRMWARE("radeon/SUMO_rlc.bin"); 100 MODULE_FIRMWARE("radeon/SUMO_pfp.bin"); 101 MODULE_FIRMWARE("radeon/SUMO_me.bin"); 102 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin"); 103 MODULE_FIRMWARE("radeon/SUMO2_me.bin"); 104 105 static const u32 crtc_offsets[2] = 106 { 107 0, 108 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL 109 }; 110 111 int r600_debugfs_mc_info_init(struct radeon_device *rdev); 112 113 /* r600,rv610,rv630,rv620,rv635,rv670 */ 114 int r600_mc_wait_for_idle(struct radeon_device *rdev); 115 static void r600_gpu_init(struct radeon_device *rdev); 116 void r600_fini(struct radeon_device *rdev); 117 void r600_irq_disable(struct radeon_device *rdev); 118 static void r600_pcie_gen2_enable(struct radeon_device *rdev); 119 extern int evergreen_rlc_resume(struct radeon_device *rdev); 120 extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev); 121 122 /* 123 * Indirect registers accessor 124 */ 125 u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg) 126 { 127 unsigned long flags; 128 u32 r; 129 130 spin_lock_irqsave(&rdev->rcu_idx_lock, flags); 131 WREG32(R600_RCU_INDEX, ((reg) & 0x1fff)); 132 r = RREG32(R600_RCU_DATA); 133 spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags); 134 return r; 135 } 136 137 void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v) 138 { 139 unsigned long flags; 140 141 spin_lock_irqsave(&rdev->rcu_idx_lock, flags); 142 WREG32(R600_RCU_INDEX, ((reg) & 0x1fff)); 143 WREG32(R600_RCU_DATA, (v)); 144 spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags); 145 } 146 147 u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg) 148 { 149 unsigned long flags; 150 u32 r; 151 152 spin_lock_irqsave(&rdev->uvd_idx_lock, flags); 153 WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff)); 154 r = RREG32(R600_UVD_CTX_DATA); 155 spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags); 156 return r; 157 } 158 159 void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v) 160 { 161 unsigned long flags; 162 163 spin_lock_irqsave(&rdev->uvd_idx_lock, flags); 164 WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff)); 165 WREG32(R600_UVD_CTX_DATA, (v)); 166 spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags); 167 } 168 169 /** 170 * r600_get_allowed_info_register - fetch the register for the info ioctl 171 * 172 * @rdev: radeon_device pointer 173 * @reg: register offset in bytes 174 * @val: register value 175 * 176 * Returns 0 for success or -EINVAL for an invalid register 177 * 178 */ 179 int r600_get_allowed_info_register(struct radeon_device *rdev, 180 u32 reg, u32 *val) 181 { 182 switch (reg) { 183 case GRBM_STATUS: 184 case GRBM_STATUS2: 185 case R_000E50_SRBM_STATUS: 186 case DMA_STATUS_REG: 187 case UVD_STATUS: 188 *val = RREG32(reg); 189 return 0; 190 default: 191 return -EINVAL; 192 } 193 } 194 195 /** 196 * r600_get_xclk - get the xclk 197 * 198 * @rdev: radeon_device pointer 199 * 200 * Returns the reference clock used by the gfx engine 201 * (r6xx, IGPs, APUs). 202 */ 203 u32 r600_get_xclk(struct radeon_device *rdev) 204 { 205 return rdev->clock.spll.reference_freq; 206 } 207 208 int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk) 209 { 210 unsigned fb_div = 0, ref_div, vclk_div = 0, dclk_div = 0; 211 int r; 212 213 /* bypass vclk and dclk with bclk */ 214 WREG32_P(CG_UPLL_FUNC_CNTL_2, 215 VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1), 216 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK)); 217 218 /* assert BYPASS_EN, deassert UPLL_RESET, UPLL_SLEEP and UPLL_CTLREQ */ 219 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~( 220 UPLL_RESET_MASK | UPLL_SLEEP_MASK | UPLL_CTLREQ_MASK)); 221 222 if (rdev->family >= CHIP_RS780) 223 WREG32_P(GFX_MACRO_BYPASS_CNTL, UPLL_BYPASS_CNTL, 224 ~UPLL_BYPASS_CNTL); 225 226 if (!vclk || !dclk) { 227 /* keep the Bypass mode, put PLL to sleep */ 228 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK); 229 return 0; 230 } 231 232 if (rdev->clock.spll.reference_freq == 10000) 233 ref_div = 34; 234 else 235 ref_div = 4; 236 237 r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000, 238 ref_div + 1, 0xFFF, 2, 30, ~0, 239 &fb_div, &vclk_div, &dclk_div); 240 if (r) 241 return r; 242 243 if (rdev->family >= CHIP_RV670 && rdev->family < CHIP_RS780) 244 fb_div >>= 1; 245 else 246 fb_div |= 1; 247 248 r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL); 249 if (r) 250 return r; 251 252 /* assert PLL_RESET */ 253 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK); 254 255 /* For RS780 we have to choose ref clk */ 256 if (rdev->family >= CHIP_RS780) 257 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REFCLK_SRC_SEL_MASK, 258 ~UPLL_REFCLK_SRC_SEL_MASK); 259 260 /* set the required fb, ref and post divder values */ 261 WREG32_P(CG_UPLL_FUNC_CNTL, 262 UPLL_FB_DIV(fb_div) | 263 UPLL_REF_DIV(ref_div), 264 ~(UPLL_FB_DIV_MASK | UPLL_REF_DIV_MASK)); 265 WREG32_P(CG_UPLL_FUNC_CNTL_2, 266 UPLL_SW_HILEN(vclk_div >> 1) | 267 UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) | 268 UPLL_SW_HILEN2(dclk_div >> 1) | 269 UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)) | 270 UPLL_DIVEN_MASK | UPLL_DIVEN2_MASK, 271 ~UPLL_SW_MASK); 272 273 /* give the PLL some time to settle */ 274 mdelay(15); 275 276 /* deassert PLL_RESET */ 277 WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK); 278 279 mdelay(15); 280 281 /* deassert BYPASS EN */ 282 WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK); 283 284 if (rdev->family >= CHIP_RS780) 285 WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~UPLL_BYPASS_CNTL); 286 287 r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL); 288 if (r) 289 return r; 290 291 /* switch VCLK and DCLK selection */ 292 WREG32_P(CG_UPLL_FUNC_CNTL_2, 293 VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2), 294 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK)); 295 296 mdelay(100); 297 298 return 0; 299 } 300 301 void dce3_program_fmt(struct drm_encoder *encoder) 302 { 303 struct drm_device *dev = encoder->dev; 304 struct radeon_device *rdev = dev->dev_private; 305 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 306 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 307 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 308 int bpc = 0; 309 u32 tmp = 0; 310 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE; 311 312 if (connector) { 313 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 314 bpc = radeon_get_monitor_bpc(connector); 315 dither = radeon_connector->dither; 316 } 317 318 /* LVDS FMT is set up by atom */ 319 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 320 return; 321 322 /* not needed for analog */ 323 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 324 (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 325 return; 326 327 if (bpc == 0) 328 return; 329 330 switch (bpc) { 331 case 6: 332 if (dither == RADEON_FMT_DITHER_ENABLE) 333 /* XXX sort out optimal dither settings */ 334 tmp |= FMT_SPATIAL_DITHER_EN; 335 else 336 tmp |= FMT_TRUNCATE_EN; 337 break; 338 case 8: 339 if (dither == RADEON_FMT_DITHER_ENABLE) 340 /* XXX sort out optimal dither settings */ 341 tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH); 342 else 343 tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH); 344 break; 345 case 10: 346 default: 347 /* not needed */ 348 break; 349 } 350 351 WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp); 352 } 353 354 /* get temperature in millidegrees */ 355 int rv6xx_get_temp(struct radeon_device *rdev) 356 { 357 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> 358 ASIC_T_SHIFT; 359 int actual_temp = temp & 0xff; 360 361 if (temp & 0x100) 362 actual_temp -= 256; 363 364 return actual_temp * 1000; 365 } 366 367 void r600_pm_get_dynpm_state(struct radeon_device *rdev) 368 { 369 int i; 370 371 rdev->pm.dynpm_can_upclock = true; 372 rdev->pm.dynpm_can_downclock = true; 373 374 /* power state array is low to high, default is first */ 375 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) { 376 int min_power_state_index = 0; 377 378 if (rdev->pm.num_power_states > 2) 379 min_power_state_index = 1; 380 381 switch (rdev->pm.dynpm_planned_action) { 382 case DYNPM_ACTION_MINIMUM: 383 rdev->pm.requested_power_state_index = min_power_state_index; 384 rdev->pm.requested_clock_mode_index = 0; 385 rdev->pm.dynpm_can_downclock = false; 386 break; 387 case DYNPM_ACTION_DOWNCLOCK: 388 if (rdev->pm.current_power_state_index == min_power_state_index) { 389 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 390 rdev->pm.dynpm_can_downclock = false; 391 } else { 392 if (rdev->pm.active_crtc_count > 1) { 393 for (i = 0; i < rdev->pm.num_power_states; i++) { 394 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 395 continue; 396 else if (i >= rdev->pm.current_power_state_index) { 397 rdev->pm.requested_power_state_index = 398 rdev->pm.current_power_state_index; 399 break; 400 } else { 401 rdev->pm.requested_power_state_index = i; 402 break; 403 } 404 } 405 } else { 406 if (rdev->pm.current_power_state_index == 0) 407 rdev->pm.requested_power_state_index = 408 rdev->pm.num_power_states - 1; 409 else 410 rdev->pm.requested_power_state_index = 411 rdev->pm.current_power_state_index - 1; 412 } 413 } 414 rdev->pm.requested_clock_mode_index = 0; 415 /* don't use the power state if crtcs are active and no display flag is set */ 416 if ((rdev->pm.active_crtc_count > 0) && 417 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 418 clock_info[rdev->pm.requested_clock_mode_index].flags & 419 RADEON_PM_MODE_NO_DISPLAY)) { 420 rdev->pm.requested_power_state_index++; 421 } 422 break; 423 case DYNPM_ACTION_UPCLOCK: 424 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 425 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 426 rdev->pm.dynpm_can_upclock = false; 427 } else { 428 if (rdev->pm.active_crtc_count > 1) { 429 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 430 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 431 continue; 432 else if (i <= rdev->pm.current_power_state_index) { 433 rdev->pm.requested_power_state_index = 434 rdev->pm.current_power_state_index; 435 break; 436 } else { 437 rdev->pm.requested_power_state_index = i; 438 break; 439 } 440 } 441 } else 442 rdev->pm.requested_power_state_index = 443 rdev->pm.current_power_state_index + 1; 444 } 445 rdev->pm.requested_clock_mode_index = 0; 446 break; 447 case DYNPM_ACTION_DEFAULT: 448 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 449 rdev->pm.requested_clock_mode_index = 0; 450 rdev->pm.dynpm_can_upclock = false; 451 break; 452 case DYNPM_ACTION_NONE: 453 default: 454 DRM_ERROR("Requested mode for not defined action\n"); 455 return; 456 } 457 } else { 458 /* XXX select a power state based on AC/DC, single/dualhead, etc. */ 459 /* for now just select the first power state and switch between clock modes */ 460 /* power state array is low to high, default is first (0) */ 461 if (rdev->pm.active_crtc_count > 1) { 462 rdev->pm.requested_power_state_index = -1; 463 /* start at 1 as we don't want the default mode */ 464 for (i = 1; i < rdev->pm.num_power_states; i++) { 465 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 466 continue; 467 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) || 468 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) { 469 rdev->pm.requested_power_state_index = i; 470 break; 471 } 472 } 473 /* if nothing selected, grab the default state. */ 474 if (rdev->pm.requested_power_state_index == -1) 475 rdev->pm.requested_power_state_index = 0; 476 } else 477 rdev->pm.requested_power_state_index = 1; 478 479 switch (rdev->pm.dynpm_planned_action) { 480 case DYNPM_ACTION_MINIMUM: 481 rdev->pm.requested_clock_mode_index = 0; 482 rdev->pm.dynpm_can_downclock = false; 483 break; 484 case DYNPM_ACTION_DOWNCLOCK: 485 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 486 if (rdev->pm.current_clock_mode_index == 0) { 487 rdev->pm.requested_clock_mode_index = 0; 488 rdev->pm.dynpm_can_downclock = false; 489 } else 490 rdev->pm.requested_clock_mode_index = 491 rdev->pm.current_clock_mode_index - 1; 492 } else { 493 rdev->pm.requested_clock_mode_index = 0; 494 rdev->pm.dynpm_can_downclock = false; 495 } 496 /* don't use the power state if crtcs are active and no display flag is set */ 497 if ((rdev->pm.active_crtc_count > 0) && 498 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 499 clock_info[rdev->pm.requested_clock_mode_index].flags & 500 RADEON_PM_MODE_NO_DISPLAY)) { 501 rdev->pm.requested_clock_mode_index++; 502 } 503 break; 504 case DYNPM_ACTION_UPCLOCK: 505 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 506 if (rdev->pm.current_clock_mode_index == 507 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) { 508 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index; 509 rdev->pm.dynpm_can_upclock = false; 510 } else 511 rdev->pm.requested_clock_mode_index = 512 rdev->pm.current_clock_mode_index + 1; 513 } else { 514 rdev->pm.requested_clock_mode_index = 515 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1; 516 rdev->pm.dynpm_can_upclock = false; 517 } 518 break; 519 case DYNPM_ACTION_DEFAULT: 520 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 521 rdev->pm.requested_clock_mode_index = 0; 522 rdev->pm.dynpm_can_upclock = false; 523 break; 524 case DYNPM_ACTION_NONE: 525 default: 526 DRM_ERROR("Requested mode for not defined action\n"); 527 return; 528 } 529 } 530 531 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 532 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 533 clock_info[rdev->pm.requested_clock_mode_index].sclk, 534 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 535 clock_info[rdev->pm.requested_clock_mode_index].mclk, 536 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 537 pcie_lanes); 538 } 539 540 void rs780_pm_init_profile(struct radeon_device *rdev) 541 { 542 if (rdev->pm.num_power_states == 2) { 543 /* default */ 544 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 545 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 546 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 547 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 548 /* low sh */ 549 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 550 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 551 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 552 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 553 /* mid sh */ 554 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 555 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 556 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 557 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 558 /* high sh */ 559 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 560 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 561 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 562 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 563 /* low mh */ 564 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 565 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 566 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 567 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 568 /* mid mh */ 569 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 570 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 571 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 572 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 573 /* high mh */ 574 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 575 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1; 576 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 577 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 578 } else if (rdev->pm.num_power_states == 3) { 579 /* default */ 580 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 581 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 582 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 583 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 584 /* low sh */ 585 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 586 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 587 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 588 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 589 /* mid sh */ 590 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 591 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 592 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 593 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 594 /* high sh */ 595 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 596 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2; 597 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 598 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 599 /* low mh */ 600 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1; 601 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1; 602 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 603 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 604 /* mid mh */ 605 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1; 606 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1; 607 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 608 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 609 /* high mh */ 610 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1; 611 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 612 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 613 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 614 } else { 615 /* default */ 616 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 617 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 618 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 619 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 620 /* low sh */ 621 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2; 622 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2; 623 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 624 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 625 /* mid sh */ 626 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2; 627 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2; 628 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 629 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 630 /* high sh */ 631 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2; 632 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3; 633 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 634 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 635 /* low mh */ 636 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 637 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 638 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 639 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 640 /* mid mh */ 641 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 642 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 643 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 644 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 645 /* high mh */ 646 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 647 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3; 648 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 649 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 650 } 651 } 652 653 void r600_pm_init_profile(struct radeon_device *rdev) 654 { 655 int idx; 656 657 if (rdev->family == CHIP_R600) { 658 /* XXX */ 659 /* default */ 660 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 661 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 662 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 663 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 664 /* low sh */ 665 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 666 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 667 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 668 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 669 /* mid sh */ 670 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 671 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 672 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 673 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 674 /* high sh */ 675 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 676 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 677 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 678 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 679 /* low mh */ 680 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 681 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 682 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 683 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 684 /* mid mh */ 685 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 686 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 687 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 688 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 689 /* high mh */ 690 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 691 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 692 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 693 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 694 } else { 695 if (rdev->pm.num_power_states < 4) { 696 /* default */ 697 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 698 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 699 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 700 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 701 /* low sh */ 702 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 703 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 704 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 705 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 706 /* mid sh */ 707 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 708 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 709 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 710 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 711 /* high sh */ 712 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 713 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 714 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 715 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 716 /* low mh */ 717 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 718 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2; 719 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 720 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 721 /* low mh */ 722 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 723 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2; 724 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 725 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 726 /* high mh */ 727 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 728 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 729 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 730 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 731 } else { 732 /* default */ 733 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 734 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 735 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 736 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 737 /* low sh */ 738 if (rdev->flags & RADEON_IS_MOBILITY) 739 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 740 else 741 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 742 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx; 743 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx; 744 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 745 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 746 /* mid sh */ 747 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx; 748 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx; 749 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 750 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 751 /* high sh */ 752 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 753 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx; 754 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx; 755 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 756 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 757 /* low mh */ 758 if (rdev->flags & RADEON_IS_MOBILITY) 759 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 760 else 761 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 762 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx; 763 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx; 764 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 765 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 766 /* mid mh */ 767 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx; 768 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx; 769 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 770 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 771 /* high mh */ 772 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 773 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx; 774 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx; 775 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 776 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 777 } 778 } 779 } 780 781 void r600_pm_misc(struct radeon_device *rdev) 782 { 783 int req_ps_idx = rdev->pm.requested_power_state_index; 784 int req_cm_idx = rdev->pm.requested_clock_mode_index; 785 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; 786 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; 787 788 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { 789 /* 0xff01 is a flag rather then an actual voltage */ 790 if (voltage->voltage == 0xff01) 791 return; 792 if (voltage->voltage != rdev->pm.current_vddc) { 793 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); 794 rdev->pm.current_vddc = voltage->voltage; 795 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage); 796 } 797 } 798 } 799 800 bool r600_gui_idle(struct radeon_device *rdev) 801 { 802 if (RREG32(GRBM_STATUS) & GUI_ACTIVE) 803 return false; 804 else 805 return true; 806 } 807 808 /* hpd for digital panel detect/disconnect */ 809 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 810 { 811 bool connected = false; 812 813 if (ASIC_IS_DCE3(rdev)) { 814 switch (hpd) { 815 case RADEON_HPD_1: 816 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) 817 connected = true; 818 break; 819 case RADEON_HPD_2: 820 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) 821 connected = true; 822 break; 823 case RADEON_HPD_3: 824 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) 825 connected = true; 826 break; 827 case RADEON_HPD_4: 828 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) 829 connected = true; 830 break; 831 /* DCE 3.2 */ 832 case RADEON_HPD_5: 833 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) 834 connected = true; 835 break; 836 case RADEON_HPD_6: 837 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) 838 connected = true; 839 break; 840 default: 841 break; 842 } 843 } else { 844 switch (hpd) { 845 case RADEON_HPD_1: 846 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 847 connected = true; 848 break; 849 case RADEON_HPD_2: 850 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 851 connected = true; 852 break; 853 case RADEON_HPD_3: 854 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 855 connected = true; 856 break; 857 default: 858 break; 859 } 860 } 861 return connected; 862 } 863 864 void r600_hpd_set_polarity(struct radeon_device *rdev, 865 enum radeon_hpd_id hpd) 866 { 867 u32 tmp; 868 bool connected = r600_hpd_sense(rdev, hpd); 869 870 if (ASIC_IS_DCE3(rdev)) { 871 switch (hpd) { 872 case RADEON_HPD_1: 873 tmp = RREG32(DC_HPD1_INT_CONTROL); 874 if (connected) 875 tmp &= ~DC_HPDx_INT_POLARITY; 876 else 877 tmp |= DC_HPDx_INT_POLARITY; 878 WREG32(DC_HPD1_INT_CONTROL, tmp); 879 break; 880 case RADEON_HPD_2: 881 tmp = RREG32(DC_HPD2_INT_CONTROL); 882 if (connected) 883 tmp &= ~DC_HPDx_INT_POLARITY; 884 else 885 tmp |= DC_HPDx_INT_POLARITY; 886 WREG32(DC_HPD2_INT_CONTROL, tmp); 887 break; 888 case RADEON_HPD_3: 889 tmp = RREG32(DC_HPD3_INT_CONTROL); 890 if (connected) 891 tmp &= ~DC_HPDx_INT_POLARITY; 892 else 893 tmp |= DC_HPDx_INT_POLARITY; 894 WREG32(DC_HPD3_INT_CONTROL, tmp); 895 break; 896 case RADEON_HPD_4: 897 tmp = RREG32(DC_HPD4_INT_CONTROL); 898 if (connected) 899 tmp &= ~DC_HPDx_INT_POLARITY; 900 else 901 tmp |= DC_HPDx_INT_POLARITY; 902 WREG32(DC_HPD4_INT_CONTROL, tmp); 903 break; 904 case RADEON_HPD_5: 905 tmp = RREG32(DC_HPD5_INT_CONTROL); 906 if (connected) 907 tmp &= ~DC_HPDx_INT_POLARITY; 908 else 909 tmp |= DC_HPDx_INT_POLARITY; 910 WREG32(DC_HPD5_INT_CONTROL, tmp); 911 break; 912 /* DCE 3.2 */ 913 case RADEON_HPD_6: 914 tmp = RREG32(DC_HPD6_INT_CONTROL); 915 if (connected) 916 tmp &= ~DC_HPDx_INT_POLARITY; 917 else 918 tmp |= DC_HPDx_INT_POLARITY; 919 WREG32(DC_HPD6_INT_CONTROL, tmp); 920 break; 921 default: 922 break; 923 } 924 } else { 925 switch (hpd) { 926 case RADEON_HPD_1: 927 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 928 if (connected) 929 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 930 else 931 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 932 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 933 break; 934 case RADEON_HPD_2: 935 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 936 if (connected) 937 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 938 else 939 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 940 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 941 break; 942 case RADEON_HPD_3: 943 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 944 if (connected) 945 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 946 else 947 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 948 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 949 break; 950 default: 951 break; 952 } 953 } 954 } 955 956 void r600_hpd_init(struct radeon_device *rdev) 957 { 958 struct drm_device *dev = rdev->ddev; 959 struct drm_connector *connector; 960 unsigned enable = 0; 961 962 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 963 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 964 965 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 966 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 967 /* don't try to enable hpd on eDP or LVDS avoid breaking the 968 * aux dp channel on imac and help (but not completely fix) 969 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 970 */ 971 continue; 972 } 973 if (ASIC_IS_DCE3(rdev)) { 974 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); 975 if (ASIC_IS_DCE32(rdev)) 976 tmp |= DC_HPDx_EN; 977 978 switch (radeon_connector->hpd.hpd) { 979 case RADEON_HPD_1: 980 WREG32(DC_HPD1_CONTROL, tmp); 981 break; 982 case RADEON_HPD_2: 983 WREG32(DC_HPD2_CONTROL, tmp); 984 break; 985 case RADEON_HPD_3: 986 WREG32(DC_HPD3_CONTROL, tmp); 987 break; 988 case RADEON_HPD_4: 989 WREG32(DC_HPD4_CONTROL, tmp); 990 break; 991 /* DCE 3.2 */ 992 case RADEON_HPD_5: 993 WREG32(DC_HPD5_CONTROL, tmp); 994 break; 995 case RADEON_HPD_6: 996 WREG32(DC_HPD6_CONTROL, tmp); 997 break; 998 default: 999 break; 1000 } 1001 } else { 1002 switch (radeon_connector->hpd.hpd) { 1003 case RADEON_HPD_1: 1004 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); 1005 break; 1006 case RADEON_HPD_2: 1007 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN); 1008 break; 1009 case RADEON_HPD_3: 1010 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN); 1011 break; 1012 default: 1013 break; 1014 } 1015 } 1016 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 1017 enable |= 1 << radeon_connector->hpd.hpd; 1018 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 1019 } 1020 radeon_irq_kms_enable_hpd(rdev, enable); 1021 } 1022 1023 void r600_hpd_fini(struct radeon_device *rdev) 1024 { 1025 struct drm_device *dev = rdev->ddev; 1026 struct drm_connector *connector; 1027 unsigned disable = 0; 1028 1029 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1030 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1031 if (ASIC_IS_DCE3(rdev)) { 1032 switch (radeon_connector->hpd.hpd) { 1033 case RADEON_HPD_1: 1034 WREG32(DC_HPD1_CONTROL, 0); 1035 break; 1036 case RADEON_HPD_2: 1037 WREG32(DC_HPD2_CONTROL, 0); 1038 break; 1039 case RADEON_HPD_3: 1040 WREG32(DC_HPD3_CONTROL, 0); 1041 break; 1042 case RADEON_HPD_4: 1043 WREG32(DC_HPD4_CONTROL, 0); 1044 break; 1045 /* DCE 3.2 */ 1046 case RADEON_HPD_5: 1047 WREG32(DC_HPD5_CONTROL, 0); 1048 break; 1049 case RADEON_HPD_6: 1050 WREG32(DC_HPD6_CONTROL, 0); 1051 break; 1052 default: 1053 break; 1054 } 1055 } else { 1056 switch (radeon_connector->hpd.hpd) { 1057 case RADEON_HPD_1: 1058 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0); 1059 break; 1060 case RADEON_HPD_2: 1061 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0); 1062 break; 1063 case RADEON_HPD_3: 1064 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0); 1065 break; 1066 default: 1067 break; 1068 } 1069 } 1070 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 1071 disable |= 1 << radeon_connector->hpd.hpd; 1072 } 1073 radeon_irq_kms_disable_hpd(rdev, disable); 1074 } 1075 1076 /* 1077 * R600 PCIE GART 1078 */ 1079 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev) 1080 { 1081 unsigned i; 1082 u32 tmp; 1083 1084 /* flush hdp cache so updates hit vram */ 1085 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 1086 !(rdev->flags & RADEON_IS_AGP)) { 1087 void __iomem *ptr = (void *)rdev->gart.ptr; 1088 u32 tmp; 1089 1090 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 1091 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL 1092 * This seems to cause problems on some AGP cards. Just use the old 1093 * method for them. 1094 */ 1095 WREG32(HDP_DEBUG1, 0); 1096 tmp = readl((void __iomem *)ptr); 1097 } else 1098 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 1099 1100 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12); 1101 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12); 1102 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); 1103 for (i = 0; i < rdev->usec_timeout; i++) { 1104 /* read MC_STATUS */ 1105 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); 1106 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; 1107 if (tmp == 2) { 1108 pr_warn("[drm] r600 flush TLB failed\n"); 1109 return; 1110 } 1111 if (tmp) { 1112 return; 1113 } 1114 udelay(1); 1115 } 1116 } 1117 1118 int r600_pcie_gart_init(struct radeon_device *rdev) 1119 { 1120 int r; 1121 1122 if (rdev->gart.robj) { 1123 WARN(1, "R600 PCIE GART already initialized\n"); 1124 return 0; 1125 } 1126 /* Initialize common gart structure */ 1127 r = radeon_gart_init(rdev); 1128 if (r) 1129 return r; 1130 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 1131 return radeon_gart_table_vram_alloc(rdev); 1132 } 1133 1134 static int r600_pcie_gart_enable(struct radeon_device *rdev) 1135 { 1136 u32 tmp; 1137 int r, i; 1138 1139 if (rdev->gart.robj == NULL) { 1140 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 1141 return -EINVAL; 1142 } 1143 r = radeon_gart_table_vram_pin(rdev); 1144 if (r) 1145 return r; 1146 1147 /* Setup L2 cache */ 1148 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1149 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1150 EFFECTIVE_L2_QUEUE_SIZE(7)); 1151 WREG32(VM_L2_CNTL2, 0); 1152 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1153 /* Setup TLB control */ 1154 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1155 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1156 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1157 ENABLE_WAIT_L2_QUERY; 1158 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1159 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1160 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 1161 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1162 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1163 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1164 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1165 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1166 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1167 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1168 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1169 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1170 WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp); 1171 WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp); 1172 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1173 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1174 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 1175 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 1176 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 1177 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 1178 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 1179 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 1180 (u32)(rdev->dummy_page.addr >> 12)); 1181 for (i = 1; i < 7; i++) 1182 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1183 1184 r600_pcie_gart_tlb_flush(rdev); 1185 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 1186 (unsigned)(rdev->mc.gtt_size >> 20), 1187 (unsigned long long)rdev->gart.table_addr); 1188 rdev->gart.ready = true; 1189 return 0; 1190 } 1191 1192 static void r600_pcie_gart_disable(struct radeon_device *rdev) 1193 { 1194 u32 tmp; 1195 int i; 1196 1197 /* Disable all tables */ 1198 for (i = 0; i < 7; i++) 1199 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1200 1201 /* Disable L2 cache */ 1202 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | 1203 EFFECTIVE_L2_QUEUE_SIZE(7)); 1204 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1205 /* Setup L1 TLB control */ 1206 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1207 ENABLE_WAIT_L2_QUERY; 1208 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1209 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1210 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1211 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1212 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1213 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1214 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1215 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1216 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp); 1217 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp); 1218 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1219 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1220 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp); 1221 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1222 WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp); 1223 WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp); 1224 radeon_gart_table_vram_unpin(rdev); 1225 } 1226 1227 static void r600_pcie_gart_fini(struct radeon_device *rdev) 1228 { 1229 radeon_gart_fini(rdev); 1230 r600_pcie_gart_disable(rdev); 1231 radeon_gart_table_vram_free(rdev); 1232 } 1233 1234 static void r600_agp_enable(struct radeon_device *rdev) 1235 { 1236 u32 tmp; 1237 int i; 1238 1239 /* Setup L2 cache */ 1240 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1241 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1242 EFFECTIVE_L2_QUEUE_SIZE(7)); 1243 WREG32(VM_L2_CNTL2, 0); 1244 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1245 /* Setup TLB control */ 1246 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1247 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1248 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1249 ENABLE_WAIT_L2_QUERY; 1250 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1251 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1252 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 1253 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1254 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1255 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1256 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1257 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1258 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1259 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1260 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1261 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1262 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1263 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1264 for (i = 0; i < 7; i++) 1265 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1266 } 1267 1268 int r600_mc_wait_for_idle(struct radeon_device *rdev) 1269 { 1270 unsigned i; 1271 u32 tmp; 1272 1273 for (i = 0; i < rdev->usec_timeout; i++) { 1274 /* read MC_STATUS */ 1275 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00; 1276 if (!tmp) 1277 return 0; 1278 udelay(1); 1279 } 1280 return -1; 1281 } 1282 1283 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg) 1284 { 1285 unsigned long flags; 1286 uint32_t r; 1287 1288 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 1289 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg)); 1290 r = RREG32(R_0028FC_MC_DATA); 1291 WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR); 1292 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 1293 return r; 1294 } 1295 1296 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 1297 { 1298 unsigned long flags; 1299 1300 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 1301 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) | 1302 S_0028F8_MC_IND_WR_EN(1)); 1303 WREG32(R_0028FC_MC_DATA, v); 1304 WREG32(R_0028F8_MC_INDEX, 0x7F); 1305 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 1306 } 1307 1308 static void r600_mc_program(struct radeon_device *rdev) 1309 { 1310 struct rv515_mc_save save; 1311 u32 tmp; 1312 int i, j; 1313 1314 /* Initialize HDP */ 1315 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1316 WREG32((0x2c14 + j), 0x00000000); 1317 WREG32((0x2c18 + j), 0x00000000); 1318 WREG32((0x2c1c + j), 0x00000000); 1319 WREG32((0x2c20 + j), 0x00000000); 1320 WREG32((0x2c24 + j), 0x00000000); 1321 } 1322 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); 1323 1324 rv515_mc_stop(rdev, &save); 1325 if (r600_mc_wait_for_idle(rdev)) { 1326 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1327 } 1328 /* Lockout access through VGA aperture (doesn't exist before R600) */ 1329 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); 1330 /* Update configuration */ 1331 if (rdev->flags & RADEON_IS_AGP) { 1332 if (rdev->mc.vram_start < rdev->mc.gtt_start) { 1333 /* VRAM before AGP */ 1334 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1335 rdev->mc.vram_start >> 12); 1336 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1337 rdev->mc.gtt_end >> 12); 1338 } else { 1339 /* VRAM after AGP */ 1340 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1341 rdev->mc.gtt_start >> 12); 1342 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1343 rdev->mc.vram_end >> 12); 1344 } 1345 } else { 1346 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); 1347 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); 1348 } 1349 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12); 1350 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; 1351 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); 1352 WREG32(MC_VM_FB_LOCATION, tmp); 1353 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); 1354 WREG32(HDP_NONSURFACE_INFO, (2 << 7)); 1355 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); 1356 if (rdev->flags & RADEON_IS_AGP) { 1357 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22); 1358 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22); 1359 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); 1360 } else { 1361 WREG32(MC_VM_AGP_BASE, 0); 1362 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); 1363 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); 1364 } 1365 if (r600_mc_wait_for_idle(rdev)) { 1366 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1367 } 1368 rv515_mc_resume(rdev, &save); 1369 /* we need to own VRAM, so turn off the VGA renderer here 1370 * to stop it overwriting our objects */ 1371 rv515_vga_render_disable(rdev); 1372 } 1373 1374 /** 1375 * r600_vram_gtt_location - try to find VRAM & GTT location 1376 * @rdev: radeon device structure holding all necessary informations 1377 * @mc: memory controller structure holding memory informations 1378 * 1379 * Function will place try to place VRAM at same place as in CPU (PCI) 1380 * address space as some GPU seems to have issue when we reprogram at 1381 * different address space. 1382 * 1383 * If there is not enough space to fit the unvisible VRAM after the 1384 * aperture then we limit the VRAM size to the aperture. 1385 * 1386 * If we are using AGP then place VRAM adjacent to AGP aperture are we need 1387 * them to be in one from GPU point of view so that we can program GPU to 1388 * catch access outside them (weird GPU policy see ??). 1389 * 1390 * This function will never fails, worst case are limiting VRAM or GTT. 1391 * 1392 * Note: GTT start, end, size should be initialized before calling this 1393 * function on AGP platform. 1394 */ 1395 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) 1396 { 1397 u64 size_bf, size_af; 1398 1399 if (mc->mc_vram_size > 0xE0000000) { 1400 /* leave room for at least 512M GTT */ 1401 dev_warn(rdev->dev, "limiting VRAM\n"); 1402 mc->real_vram_size = 0xE0000000; 1403 mc->mc_vram_size = 0xE0000000; 1404 } 1405 if (rdev->flags & RADEON_IS_AGP) { 1406 size_bf = mc->gtt_start; 1407 size_af = mc->mc_mask - mc->gtt_end; 1408 if (size_bf > size_af) { 1409 if (mc->mc_vram_size > size_bf) { 1410 dev_warn(rdev->dev, "limiting VRAM\n"); 1411 mc->real_vram_size = size_bf; 1412 mc->mc_vram_size = size_bf; 1413 } 1414 mc->vram_start = mc->gtt_start - mc->mc_vram_size; 1415 } else { 1416 if (mc->mc_vram_size > size_af) { 1417 dev_warn(rdev->dev, "limiting VRAM\n"); 1418 mc->real_vram_size = size_af; 1419 mc->mc_vram_size = size_af; 1420 } 1421 mc->vram_start = mc->gtt_end + 1; 1422 } 1423 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; 1424 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", 1425 mc->mc_vram_size >> 20, mc->vram_start, 1426 mc->vram_end, mc->real_vram_size >> 20); 1427 } else { 1428 u64 base = 0; 1429 if (rdev->flags & RADEON_IS_IGP) { 1430 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF; 1431 base <<= 24; 1432 } 1433 radeon_vram_location(rdev, &rdev->mc, base); 1434 rdev->mc.gtt_base_align = 0; 1435 radeon_gtt_location(rdev, mc); 1436 } 1437 } 1438 1439 static int r600_mc_init(struct radeon_device *rdev) 1440 { 1441 u32 tmp; 1442 int chansize, numchan; 1443 uint32_t h_addr, l_addr; 1444 unsigned long long k8_addr; 1445 1446 /* Get VRAM informations */ 1447 rdev->mc.vram_is_ddr = true; 1448 tmp = RREG32(RAMCFG); 1449 if (tmp & CHANSIZE_OVERRIDE) { 1450 chansize = 16; 1451 } else if (tmp & CHANSIZE_MASK) { 1452 chansize = 64; 1453 } else { 1454 chansize = 32; 1455 } 1456 tmp = RREG32(CHMAP); 1457 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 1458 case 0: 1459 default: 1460 numchan = 1; 1461 break; 1462 case 1: 1463 numchan = 2; 1464 break; 1465 case 2: 1466 numchan = 4; 1467 break; 1468 case 3: 1469 numchan = 8; 1470 break; 1471 } 1472 rdev->mc.vram_width = numchan * chansize; 1473 /* Could aper size report 0 ? */ 1474 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 1475 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 1476 /* Setup GPU memory space */ 1477 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); 1478 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); 1479 rdev->mc.visible_vram_size = rdev->mc.aper_size; 1480 r600_vram_gtt_location(rdev, &rdev->mc); 1481 1482 if (rdev->flags & RADEON_IS_IGP) { 1483 rs690_pm_info(rdev); 1484 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 1485 1486 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) { 1487 /* Use K8 direct mapping for fast fb access. */ 1488 rdev->fastfb_working = false; 1489 h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL)); 1490 l_addr = RREG32_MC(R_000011_K8_FB_LOCATION); 1491 k8_addr = ((unsigned long long)h_addr) << 32 | l_addr; 1492 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) 1493 if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL) 1494 #endif 1495 { 1496 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport 1497 * memory is present. 1498 */ 1499 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) { 1500 DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n", 1501 (unsigned long long)rdev->mc.aper_base, k8_addr); 1502 rdev->mc.aper_base = (resource_size_t)k8_addr; 1503 rdev->fastfb_working = true; 1504 } 1505 } 1506 } 1507 } 1508 1509 radeon_update_bandwidth_info(rdev); 1510 return 0; 1511 } 1512 1513 int r600_vram_scratch_init(struct radeon_device *rdev) 1514 { 1515 int r; 1516 1517 if (rdev->vram_scratch.robj == NULL) { 1518 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, 1519 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, 1520 0, NULL, NULL, &rdev->vram_scratch.robj); 1521 if (r) { 1522 return r; 1523 } 1524 } 1525 1526 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1527 if (unlikely(r != 0)) 1528 return r; 1529 r = radeon_bo_pin(rdev->vram_scratch.robj, 1530 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr); 1531 if (r) { 1532 radeon_bo_unreserve(rdev->vram_scratch.robj); 1533 return r; 1534 } 1535 r = radeon_bo_kmap(rdev->vram_scratch.robj, 1536 (void **)&rdev->vram_scratch.ptr); 1537 if (r) 1538 radeon_bo_unpin(rdev->vram_scratch.robj); 1539 radeon_bo_unreserve(rdev->vram_scratch.robj); 1540 1541 return r; 1542 } 1543 1544 void r600_vram_scratch_fini(struct radeon_device *rdev) 1545 { 1546 int r; 1547 1548 if (rdev->vram_scratch.robj == NULL) { 1549 return; 1550 } 1551 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1552 if (likely(r == 0)) { 1553 radeon_bo_kunmap(rdev->vram_scratch.robj); 1554 radeon_bo_unpin(rdev->vram_scratch.robj); 1555 radeon_bo_unreserve(rdev->vram_scratch.robj); 1556 } 1557 radeon_bo_unref(&rdev->vram_scratch.robj); 1558 } 1559 1560 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung) 1561 { 1562 u32 tmp = RREG32(R600_BIOS_3_SCRATCH); 1563 1564 if (hung) 1565 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1566 else 1567 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1568 1569 WREG32(R600_BIOS_3_SCRATCH, tmp); 1570 } 1571 1572 static void r600_print_gpu_status_regs(struct radeon_device *rdev) 1573 { 1574 dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", 1575 RREG32(R_008010_GRBM_STATUS)); 1576 dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", 1577 RREG32(R_008014_GRBM_STATUS2)); 1578 dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", 1579 RREG32(R_000E50_SRBM_STATUS)); 1580 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", 1581 RREG32(CP_STALLED_STAT1)); 1582 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", 1583 RREG32(CP_STALLED_STAT2)); 1584 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", 1585 RREG32(CP_BUSY_STAT)); 1586 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", 1587 RREG32(CP_STAT)); 1588 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", 1589 RREG32(DMA_STATUS_REG)); 1590 } 1591 1592 static bool r600_is_display_hung(struct radeon_device *rdev) 1593 { 1594 u32 crtc_hung = 0; 1595 u32 crtc_status[2]; 1596 u32 i, j, tmp; 1597 1598 for (i = 0; i < rdev->num_crtc; i++) { 1599 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) { 1600 crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); 1601 crtc_hung |= (1 << i); 1602 } 1603 } 1604 1605 for (j = 0; j < 10; j++) { 1606 for (i = 0; i < rdev->num_crtc; i++) { 1607 if (crtc_hung & (1 << i)) { 1608 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); 1609 if (tmp != crtc_status[i]) 1610 crtc_hung &= ~(1 << i); 1611 } 1612 } 1613 if (crtc_hung == 0) 1614 return false; 1615 udelay(100); 1616 } 1617 1618 return true; 1619 } 1620 1621 u32 r600_gpu_check_soft_reset(struct radeon_device *rdev) 1622 { 1623 u32 reset_mask = 0; 1624 u32 tmp; 1625 1626 /* GRBM_STATUS */ 1627 tmp = RREG32(R_008010_GRBM_STATUS); 1628 if (rdev->family >= CHIP_RV770) { 1629 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | 1630 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | 1631 G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | 1632 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | 1633 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) 1634 reset_mask |= RADEON_RESET_GFX; 1635 } else { 1636 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | 1637 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | 1638 G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | 1639 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | 1640 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) 1641 reset_mask |= RADEON_RESET_GFX; 1642 } 1643 1644 if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) | 1645 G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp)) 1646 reset_mask |= RADEON_RESET_CP; 1647 1648 if (G_008010_GRBM_EE_BUSY(tmp)) 1649 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP; 1650 1651 /* DMA_STATUS_REG */ 1652 tmp = RREG32(DMA_STATUS_REG); 1653 if (!(tmp & DMA_IDLE)) 1654 reset_mask |= RADEON_RESET_DMA; 1655 1656 /* SRBM_STATUS */ 1657 tmp = RREG32(R_000E50_SRBM_STATUS); 1658 if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp)) 1659 reset_mask |= RADEON_RESET_RLC; 1660 1661 if (G_000E50_IH_BUSY(tmp)) 1662 reset_mask |= RADEON_RESET_IH; 1663 1664 if (G_000E50_SEM_BUSY(tmp)) 1665 reset_mask |= RADEON_RESET_SEM; 1666 1667 if (G_000E50_GRBM_RQ_PENDING(tmp)) 1668 reset_mask |= RADEON_RESET_GRBM; 1669 1670 if (G_000E50_VMC_BUSY(tmp)) 1671 reset_mask |= RADEON_RESET_VMC; 1672 1673 if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) | 1674 G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) | 1675 G_000E50_MCDW_BUSY(tmp)) 1676 reset_mask |= RADEON_RESET_MC; 1677 1678 if (r600_is_display_hung(rdev)) 1679 reset_mask |= RADEON_RESET_DISPLAY; 1680 1681 /* Skip MC reset as it's mostly likely not hung, just busy */ 1682 if (reset_mask & RADEON_RESET_MC) { 1683 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); 1684 reset_mask &= ~RADEON_RESET_MC; 1685 } 1686 1687 return reset_mask; 1688 } 1689 1690 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) 1691 { 1692 struct rv515_mc_save save; 1693 u32 grbm_soft_reset = 0, srbm_soft_reset = 0; 1694 u32 tmp; 1695 1696 if (reset_mask == 0) 1697 return; 1698 1699 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); 1700 1701 r600_print_gpu_status_regs(rdev); 1702 1703 /* Disable CP parsing/prefetching */ 1704 if (rdev->family >= CHIP_RV770) 1705 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); 1706 else 1707 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1708 1709 /* disable the RLC */ 1710 WREG32(RLC_CNTL, 0); 1711 1712 if (reset_mask & RADEON_RESET_DMA) { 1713 /* Disable DMA */ 1714 tmp = RREG32(DMA_RB_CNTL); 1715 tmp &= ~DMA_RB_ENABLE; 1716 WREG32(DMA_RB_CNTL, tmp); 1717 } 1718 1719 mdelay(50); 1720 1721 rv515_mc_stop(rdev, &save); 1722 if (r600_mc_wait_for_idle(rdev)) { 1723 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1724 } 1725 1726 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) { 1727 if (rdev->family >= CHIP_RV770) 1728 grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) | 1729 S_008020_SOFT_RESET_CB(1) | 1730 S_008020_SOFT_RESET_PA(1) | 1731 S_008020_SOFT_RESET_SC(1) | 1732 S_008020_SOFT_RESET_SPI(1) | 1733 S_008020_SOFT_RESET_SX(1) | 1734 S_008020_SOFT_RESET_SH(1) | 1735 S_008020_SOFT_RESET_TC(1) | 1736 S_008020_SOFT_RESET_TA(1) | 1737 S_008020_SOFT_RESET_VC(1) | 1738 S_008020_SOFT_RESET_VGT(1); 1739 else 1740 grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) | 1741 S_008020_SOFT_RESET_DB(1) | 1742 S_008020_SOFT_RESET_CB(1) | 1743 S_008020_SOFT_RESET_PA(1) | 1744 S_008020_SOFT_RESET_SC(1) | 1745 S_008020_SOFT_RESET_SMX(1) | 1746 S_008020_SOFT_RESET_SPI(1) | 1747 S_008020_SOFT_RESET_SX(1) | 1748 S_008020_SOFT_RESET_SH(1) | 1749 S_008020_SOFT_RESET_TC(1) | 1750 S_008020_SOFT_RESET_TA(1) | 1751 S_008020_SOFT_RESET_VC(1) | 1752 S_008020_SOFT_RESET_VGT(1); 1753 } 1754 1755 if (reset_mask & RADEON_RESET_CP) { 1756 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) | 1757 S_008020_SOFT_RESET_VGT(1); 1758 1759 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); 1760 } 1761 1762 if (reset_mask & RADEON_RESET_DMA) { 1763 if (rdev->family >= CHIP_RV770) 1764 srbm_soft_reset |= RV770_SOFT_RESET_DMA; 1765 else 1766 srbm_soft_reset |= SOFT_RESET_DMA; 1767 } 1768 1769 if (reset_mask & RADEON_RESET_RLC) 1770 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1); 1771 1772 if (reset_mask & RADEON_RESET_SEM) 1773 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1); 1774 1775 if (reset_mask & RADEON_RESET_IH) 1776 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1); 1777 1778 if (reset_mask & RADEON_RESET_GRBM) 1779 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); 1780 1781 if (!(rdev->flags & RADEON_IS_IGP)) { 1782 if (reset_mask & RADEON_RESET_MC) 1783 srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1); 1784 } 1785 1786 if (reset_mask & RADEON_RESET_VMC) 1787 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1); 1788 1789 if (grbm_soft_reset) { 1790 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1791 tmp |= grbm_soft_reset; 1792 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); 1793 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1794 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1795 1796 udelay(50); 1797 1798 tmp &= ~grbm_soft_reset; 1799 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1800 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1801 } 1802 1803 if (srbm_soft_reset) { 1804 tmp = RREG32(SRBM_SOFT_RESET); 1805 tmp |= srbm_soft_reset; 1806 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1807 WREG32(SRBM_SOFT_RESET, tmp); 1808 tmp = RREG32(SRBM_SOFT_RESET); 1809 1810 udelay(50); 1811 1812 tmp &= ~srbm_soft_reset; 1813 WREG32(SRBM_SOFT_RESET, tmp); 1814 tmp = RREG32(SRBM_SOFT_RESET); 1815 } 1816 1817 /* Wait a little for things to settle down */ 1818 mdelay(1); 1819 1820 rv515_mc_resume(rdev, &save); 1821 udelay(50); 1822 1823 r600_print_gpu_status_regs(rdev); 1824 } 1825 1826 static void r600_gpu_pci_config_reset(struct radeon_device *rdev) 1827 { 1828 struct rv515_mc_save save; 1829 u32 tmp, i; 1830 1831 dev_info(rdev->dev, "GPU pci config reset\n"); 1832 1833 /* disable dpm? */ 1834 1835 /* Disable CP parsing/prefetching */ 1836 if (rdev->family >= CHIP_RV770) 1837 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); 1838 else 1839 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1840 1841 /* disable the RLC */ 1842 WREG32(RLC_CNTL, 0); 1843 1844 /* Disable DMA */ 1845 tmp = RREG32(DMA_RB_CNTL); 1846 tmp &= ~DMA_RB_ENABLE; 1847 WREG32(DMA_RB_CNTL, tmp); 1848 1849 mdelay(50); 1850 1851 /* set mclk/sclk to bypass */ 1852 if (rdev->family >= CHIP_RV770) 1853 rv770_set_clk_bypass_mode(rdev); 1854 /* disable BM */ 1855 pci_clear_master(rdev->pdev); 1856 /* disable mem access */ 1857 rv515_mc_stop(rdev, &save); 1858 if (r600_mc_wait_for_idle(rdev)) { 1859 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1860 } 1861 1862 /* BIF reset workaround. Not sure if this is needed on 6xx */ 1863 tmp = RREG32(BUS_CNTL); 1864 tmp |= VGA_COHE_SPEC_TIMER_DIS; 1865 WREG32(BUS_CNTL, tmp); 1866 1867 tmp = RREG32(BIF_SCRATCH0); 1868 1869 /* reset */ 1870 radeon_pci_config_reset(rdev); 1871 mdelay(1); 1872 1873 /* BIF reset workaround. Not sure if this is needed on 6xx */ 1874 tmp = SOFT_RESET_BIF; 1875 WREG32(SRBM_SOFT_RESET, tmp); 1876 mdelay(1); 1877 WREG32(SRBM_SOFT_RESET, 0); 1878 1879 /* wait for asic to come out of reset */ 1880 for (i = 0; i < rdev->usec_timeout; i++) { 1881 if (RREG32(CONFIG_MEMSIZE) != 0xffffffff) 1882 break; 1883 udelay(1); 1884 } 1885 } 1886 1887 int r600_asic_reset(struct radeon_device *rdev, bool hard) 1888 { 1889 u32 reset_mask; 1890 1891 if (hard) { 1892 r600_gpu_pci_config_reset(rdev); 1893 return 0; 1894 } 1895 1896 reset_mask = r600_gpu_check_soft_reset(rdev); 1897 1898 if (reset_mask) 1899 r600_set_bios_scratch_engine_hung(rdev, true); 1900 1901 /* try soft reset */ 1902 r600_gpu_soft_reset(rdev, reset_mask); 1903 1904 reset_mask = r600_gpu_check_soft_reset(rdev); 1905 1906 /* try pci config reset */ 1907 if (reset_mask && radeon_hard_reset) 1908 r600_gpu_pci_config_reset(rdev); 1909 1910 reset_mask = r600_gpu_check_soft_reset(rdev); 1911 1912 if (!reset_mask) 1913 r600_set_bios_scratch_engine_hung(rdev, false); 1914 1915 return 0; 1916 } 1917 1918 /** 1919 * r600_gfx_is_lockup - Check if the GFX engine is locked up 1920 * 1921 * @rdev: radeon_device pointer 1922 * @ring: radeon_ring structure holding ring information 1923 * 1924 * Check if the GFX engine is locked up. 1925 * Returns true if the engine appears to be locked up, false if not. 1926 */ 1927 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 1928 { 1929 u32 reset_mask = r600_gpu_check_soft_reset(rdev); 1930 1931 if (!(reset_mask & (RADEON_RESET_GFX | 1932 RADEON_RESET_COMPUTE | 1933 RADEON_RESET_CP))) { 1934 radeon_ring_lockup_update(rdev, ring); 1935 return false; 1936 } 1937 return radeon_ring_test_lockup(rdev, ring); 1938 } 1939 1940 u32 r6xx_remap_render_backend(struct radeon_device *rdev, 1941 u32 tiling_pipe_num, 1942 u32 max_rb_num, 1943 u32 total_max_rb_num, 1944 u32 disabled_rb_mask) 1945 { 1946 u32 rendering_pipe_num, rb_num_width, req_rb_num; 1947 u32 pipe_rb_ratio, pipe_rb_remain, tmp; 1948 u32 data = 0, mask = 1 << (max_rb_num - 1); 1949 unsigned i, j; 1950 1951 /* mask out the RBs that don't exist on that asic */ 1952 tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff); 1953 /* make sure at least one RB is available */ 1954 if ((tmp & 0xff) != 0xff) 1955 disabled_rb_mask = tmp; 1956 1957 rendering_pipe_num = 1 << tiling_pipe_num; 1958 req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask); 1959 BUG_ON(rendering_pipe_num < req_rb_num); 1960 1961 pipe_rb_ratio = rendering_pipe_num / req_rb_num; 1962 pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num; 1963 1964 if (rdev->family <= CHIP_RV740) { 1965 /* r6xx/r7xx */ 1966 rb_num_width = 2; 1967 } else { 1968 /* eg+ */ 1969 rb_num_width = 4; 1970 } 1971 1972 for (i = 0; i < max_rb_num; i++) { 1973 if (!(mask & disabled_rb_mask)) { 1974 for (j = 0; j < pipe_rb_ratio; j++) { 1975 data <<= rb_num_width; 1976 data |= max_rb_num - i - 1; 1977 } 1978 if (pipe_rb_remain) { 1979 data <<= rb_num_width; 1980 data |= max_rb_num - i - 1; 1981 pipe_rb_remain--; 1982 } 1983 } 1984 mask >>= 1; 1985 } 1986 1987 return data; 1988 } 1989 1990 int r600_count_pipe_bits(uint32_t val) 1991 { 1992 return hweight32(val); 1993 } 1994 1995 static void r600_gpu_init(struct radeon_device *rdev) 1996 { 1997 u32 tiling_config; 1998 u32 ramcfg; 1999 u32 cc_gc_shader_pipe_config; 2000 u32 tmp; 2001 int i, j; 2002 u32 sq_config; 2003 u32 sq_gpr_resource_mgmt_1 = 0; 2004 u32 sq_gpr_resource_mgmt_2 = 0; 2005 u32 sq_thread_resource_mgmt = 0; 2006 u32 sq_stack_resource_mgmt_1 = 0; 2007 u32 sq_stack_resource_mgmt_2 = 0; 2008 u32 disabled_rb_mask; 2009 2010 rdev->config.r600.tiling_group_size = 256; 2011 switch (rdev->family) { 2012 case CHIP_R600: 2013 rdev->config.r600.max_pipes = 4; 2014 rdev->config.r600.max_tile_pipes = 8; 2015 rdev->config.r600.max_simds = 4; 2016 rdev->config.r600.max_backends = 4; 2017 rdev->config.r600.max_gprs = 256; 2018 rdev->config.r600.max_threads = 192; 2019 rdev->config.r600.max_stack_entries = 256; 2020 rdev->config.r600.max_hw_contexts = 8; 2021 rdev->config.r600.max_gs_threads = 16; 2022 rdev->config.r600.sx_max_export_size = 128; 2023 rdev->config.r600.sx_max_export_pos_size = 16; 2024 rdev->config.r600.sx_max_export_smx_size = 128; 2025 rdev->config.r600.sq_num_cf_insts = 2; 2026 break; 2027 case CHIP_RV630: 2028 case CHIP_RV635: 2029 rdev->config.r600.max_pipes = 2; 2030 rdev->config.r600.max_tile_pipes = 2; 2031 rdev->config.r600.max_simds = 3; 2032 rdev->config.r600.max_backends = 1; 2033 rdev->config.r600.max_gprs = 128; 2034 rdev->config.r600.max_threads = 192; 2035 rdev->config.r600.max_stack_entries = 128; 2036 rdev->config.r600.max_hw_contexts = 8; 2037 rdev->config.r600.max_gs_threads = 4; 2038 rdev->config.r600.sx_max_export_size = 128; 2039 rdev->config.r600.sx_max_export_pos_size = 16; 2040 rdev->config.r600.sx_max_export_smx_size = 128; 2041 rdev->config.r600.sq_num_cf_insts = 2; 2042 break; 2043 case CHIP_RV610: 2044 case CHIP_RV620: 2045 case CHIP_RS780: 2046 case CHIP_RS880: 2047 rdev->config.r600.max_pipes = 1; 2048 rdev->config.r600.max_tile_pipes = 1; 2049 rdev->config.r600.max_simds = 2; 2050 rdev->config.r600.max_backends = 1; 2051 rdev->config.r600.max_gprs = 128; 2052 rdev->config.r600.max_threads = 192; 2053 rdev->config.r600.max_stack_entries = 128; 2054 rdev->config.r600.max_hw_contexts = 4; 2055 rdev->config.r600.max_gs_threads = 4; 2056 rdev->config.r600.sx_max_export_size = 128; 2057 rdev->config.r600.sx_max_export_pos_size = 16; 2058 rdev->config.r600.sx_max_export_smx_size = 128; 2059 rdev->config.r600.sq_num_cf_insts = 1; 2060 break; 2061 case CHIP_RV670: 2062 rdev->config.r600.max_pipes = 4; 2063 rdev->config.r600.max_tile_pipes = 4; 2064 rdev->config.r600.max_simds = 4; 2065 rdev->config.r600.max_backends = 4; 2066 rdev->config.r600.max_gprs = 192; 2067 rdev->config.r600.max_threads = 192; 2068 rdev->config.r600.max_stack_entries = 256; 2069 rdev->config.r600.max_hw_contexts = 8; 2070 rdev->config.r600.max_gs_threads = 16; 2071 rdev->config.r600.sx_max_export_size = 128; 2072 rdev->config.r600.sx_max_export_pos_size = 16; 2073 rdev->config.r600.sx_max_export_smx_size = 128; 2074 rdev->config.r600.sq_num_cf_insts = 2; 2075 break; 2076 default: 2077 break; 2078 } 2079 2080 /* Initialize HDP */ 2081 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 2082 WREG32((0x2c14 + j), 0x00000000); 2083 WREG32((0x2c18 + j), 0x00000000); 2084 WREG32((0x2c1c + j), 0x00000000); 2085 WREG32((0x2c20 + j), 0x00000000); 2086 WREG32((0x2c24 + j), 0x00000000); 2087 } 2088 2089 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 2090 2091 /* Setup tiling */ 2092 tiling_config = 0; 2093 ramcfg = RREG32(RAMCFG); 2094 switch (rdev->config.r600.max_tile_pipes) { 2095 case 1: 2096 tiling_config |= PIPE_TILING(0); 2097 break; 2098 case 2: 2099 tiling_config |= PIPE_TILING(1); 2100 break; 2101 case 4: 2102 tiling_config |= PIPE_TILING(2); 2103 break; 2104 case 8: 2105 tiling_config |= PIPE_TILING(3); 2106 break; 2107 default: 2108 break; 2109 } 2110 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes; 2111 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 2112 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 2113 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); 2114 2115 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; 2116 if (tmp > 3) { 2117 tiling_config |= ROW_TILING(3); 2118 tiling_config |= SAMPLE_SPLIT(3); 2119 } else { 2120 tiling_config |= ROW_TILING(tmp); 2121 tiling_config |= SAMPLE_SPLIT(tmp); 2122 } 2123 tiling_config |= BANK_SWAPS(1); 2124 2125 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00; 2126 tmp = rdev->config.r600.max_simds - 2127 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK); 2128 rdev->config.r600.active_simds = tmp; 2129 2130 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK; 2131 tmp = 0; 2132 for (i = 0; i < rdev->config.r600.max_backends; i++) 2133 tmp |= (1 << i); 2134 /* if all the backends are disabled, fix it up here */ 2135 if ((disabled_rb_mask & tmp) == tmp) { 2136 for (i = 0; i < rdev->config.r600.max_backends; i++) 2137 disabled_rb_mask &= ~(1 << i); 2138 } 2139 tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT; 2140 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends, 2141 R6XX_MAX_BACKENDS, disabled_rb_mask); 2142 tiling_config |= tmp << 16; 2143 rdev->config.r600.backend_map = tmp; 2144 2145 rdev->config.r600.tile_config = tiling_config; 2146 WREG32(GB_TILING_CONFIG, tiling_config); 2147 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff); 2148 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff); 2149 WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff); 2150 2151 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8); 2152 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK); 2153 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK); 2154 2155 /* Setup some CP states */ 2156 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b))); 2157 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40))); 2158 2159 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT | 2160 SYNC_WALKER | SYNC_ALIGNER)); 2161 /* Setup various GPU states */ 2162 if (rdev->family == CHIP_RV670) 2163 WREG32(ARB_GDEC_RD_CNTL, 0x00000021); 2164 2165 tmp = RREG32(SX_DEBUG_1); 2166 tmp |= SMX_EVENT_RELEASE; 2167 if ((rdev->family > CHIP_R600)) 2168 tmp |= ENABLE_NEW_SMX_ADDRESS; 2169 WREG32(SX_DEBUG_1, tmp); 2170 2171 if (((rdev->family) == CHIP_R600) || 2172 ((rdev->family) == CHIP_RV630) || 2173 ((rdev->family) == CHIP_RV610) || 2174 ((rdev->family) == CHIP_RV620) || 2175 ((rdev->family) == CHIP_RS780) || 2176 ((rdev->family) == CHIP_RS880)) { 2177 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE); 2178 } else { 2179 WREG32(DB_DEBUG, 0); 2180 } 2181 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) | 2182 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4))); 2183 2184 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 2185 WREG32(VGT_NUM_INSTANCES, 0); 2186 2187 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0)); 2188 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0)); 2189 2190 tmp = RREG32(SQ_MS_FIFO_SIZES); 2191 if (((rdev->family) == CHIP_RV610) || 2192 ((rdev->family) == CHIP_RV620) || 2193 ((rdev->family) == CHIP_RS780) || 2194 ((rdev->family) == CHIP_RS880)) { 2195 tmp = (CACHE_FIFO_SIZE(0xa) | 2196 FETCH_FIFO_HIWATER(0xa) | 2197 DONE_FIFO_HIWATER(0xe0) | 2198 ALU_UPDATE_FIFO_HIWATER(0x8)); 2199 } else if (((rdev->family) == CHIP_R600) || 2200 ((rdev->family) == CHIP_RV630)) { 2201 tmp &= ~DONE_FIFO_HIWATER(0xff); 2202 tmp |= DONE_FIFO_HIWATER(0x4); 2203 } 2204 WREG32(SQ_MS_FIFO_SIZES, tmp); 2205 2206 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT 2207 * should be adjusted as needed by the 2D/3D drivers. This just sets default values 2208 */ 2209 sq_config = RREG32(SQ_CONFIG); 2210 sq_config &= ~(PS_PRIO(3) | 2211 VS_PRIO(3) | 2212 GS_PRIO(3) | 2213 ES_PRIO(3)); 2214 sq_config |= (DX9_CONSTS | 2215 VC_ENABLE | 2216 PS_PRIO(0) | 2217 VS_PRIO(1) | 2218 GS_PRIO(2) | 2219 ES_PRIO(3)); 2220 2221 if ((rdev->family) == CHIP_R600) { 2222 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) | 2223 NUM_VS_GPRS(124) | 2224 NUM_CLAUSE_TEMP_GPRS(4)); 2225 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) | 2226 NUM_ES_GPRS(0)); 2227 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) | 2228 NUM_VS_THREADS(48) | 2229 NUM_GS_THREADS(4) | 2230 NUM_ES_THREADS(4)); 2231 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) | 2232 NUM_VS_STACK_ENTRIES(128)); 2233 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) | 2234 NUM_ES_STACK_ENTRIES(0)); 2235 } else if (((rdev->family) == CHIP_RV610) || 2236 ((rdev->family) == CHIP_RV620) || 2237 ((rdev->family) == CHIP_RS780) || 2238 ((rdev->family) == CHIP_RS880)) { 2239 /* no vertex cache */ 2240 sq_config &= ~VC_ENABLE; 2241 2242 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2243 NUM_VS_GPRS(44) | 2244 NUM_CLAUSE_TEMP_GPRS(2)); 2245 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 2246 NUM_ES_GPRS(17)); 2247 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2248 NUM_VS_THREADS(78) | 2249 NUM_GS_THREADS(4) | 2250 NUM_ES_THREADS(31)); 2251 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 2252 NUM_VS_STACK_ENTRIES(40)); 2253 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 2254 NUM_ES_STACK_ENTRIES(16)); 2255 } else if (((rdev->family) == CHIP_RV630) || 2256 ((rdev->family) == CHIP_RV635)) { 2257 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2258 NUM_VS_GPRS(44) | 2259 NUM_CLAUSE_TEMP_GPRS(2)); 2260 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) | 2261 NUM_ES_GPRS(18)); 2262 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2263 NUM_VS_THREADS(78) | 2264 NUM_GS_THREADS(4) | 2265 NUM_ES_THREADS(31)); 2266 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 2267 NUM_VS_STACK_ENTRIES(40)); 2268 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 2269 NUM_ES_STACK_ENTRIES(16)); 2270 } else if ((rdev->family) == CHIP_RV670) { 2271 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2272 NUM_VS_GPRS(44) | 2273 NUM_CLAUSE_TEMP_GPRS(2)); 2274 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 2275 NUM_ES_GPRS(17)); 2276 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2277 NUM_VS_THREADS(78) | 2278 NUM_GS_THREADS(4) | 2279 NUM_ES_THREADS(31)); 2280 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) | 2281 NUM_VS_STACK_ENTRIES(64)); 2282 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) | 2283 NUM_ES_STACK_ENTRIES(64)); 2284 } 2285 2286 WREG32(SQ_CONFIG, sq_config); 2287 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); 2288 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); 2289 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); 2290 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); 2291 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); 2292 2293 if (((rdev->family) == CHIP_RV610) || 2294 ((rdev->family) == CHIP_RV620) || 2295 ((rdev->family) == CHIP_RS780) || 2296 ((rdev->family) == CHIP_RS880)) { 2297 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY)); 2298 } else { 2299 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC)); 2300 } 2301 2302 /* More default values. 2D/3D driver should adjust as needed */ 2303 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) | 2304 S1_X(0x4) | S1_Y(0xc))); 2305 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) | 2306 S1_X(0x2) | S1_Y(0x2) | 2307 S2_X(0xa) | S2_Y(0x6) | 2308 S3_X(0x6) | S3_Y(0xa))); 2309 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) | 2310 S1_X(0x4) | S1_Y(0xc) | 2311 S2_X(0x1) | S2_Y(0x6) | 2312 S3_X(0xa) | S3_Y(0xe))); 2313 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) | 2314 S5_X(0x0) | S5_Y(0x0) | 2315 S6_X(0xb) | S6_Y(0x4) | 2316 S7_X(0x7) | S7_Y(0x8))); 2317 2318 WREG32(VGT_STRMOUT_EN, 0); 2319 tmp = rdev->config.r600.max_pipes * 16; 2320 switch (rdev->family) { 2321 case CHIP_RV610: 2322 case CHIP_RV620: 2323 case CHIP_RS780: 2324 case CHIP_RS880: 2325 tmp += 32; 2326 break; 2327 case CHIP_RV670: 2328 tmp += 128; 2329 break; 2330 default: 2331 break; 2332 } 2333 if (tmp > 256) { 2334 tmp = 256; 2335 } 2336 WREG32(VGT_ES_PER_GS, 128); 2337 WREG32(VGT_GS_PER_ES, tmp); 2338 WREG32(VGT_GS_PER_VS, 2); 2339 WREG32(VGT_GS_VERTEX_REUSE, 16); 2340 2341 /* more default values. 2D/3D driver should adjust as needed */ 2342 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 2343 WREG32(VGT_STRMOUT_EN, 0); 2344 WREG32(SX_MISC, 0); 2345 WREG32(PA_SC_MODE_CNTL, 0); 2346 WREG32(PA_SC_AA_CONFIG, 0); 2347 WREG32(PA_SC_LINE_STIPPLE, 0); 2348 WREG32(SPI_INPUT_Z, 0); 2349 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2)); 2350 WREG32(CB_COLOR7_FRAG, 0); 2351 2352 /* Clear render buffer base addresses */ 2353 WREG32(CB_COLOR0_BASE, 0); 2354 WREG32(CB_COLOR1_BASE, 0); 2355 WREG32(CB_COLOR2_BASE, 0); 2356 WREG32(CB_COLOR3_BASE, 0); 2357 WREG32(CB_COLOR4_BASE, 0); 2358 WREG32(CB_COLOR5_BASE, 0); 2359 WREG32(CB_COLOR6_BASE, 0); 2360 WREG32(CB_COLOR7_BASE, 0); 2361 WREG32(CB_COLOR7_FRAG, 0); 2362 2363 switch (rdev->family) { 2364 case CHIP_RV610: 2365 case CHIP_RV620: 2366 case CHIP_RS780: 2367 case CHIP_RS880: 2368 tmp = TC_L2_SIZE(8); 2369 break; 2370 case CHIP_RV630: 2371 case CHIP_RV635: 2372 tmp = TC_L2_SIZE(4); 2373 break; 2374 case CHIP_R600: 2375 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT; 2376 break; 2377 default: 2378 tmp = TC_L2_SIZE(0); 2379 break; 2380 } 2381 WREG32(TC_CNTL, tmp); 2382 2383 tmp = RREG32(HDP_HOST_PATH_CNTL); 2384 WREG32(HDP_HOST_PATH_CNTL, tmp); 2385 2386 tmp = RREG32(ARB_POP); 2387 tmp |= ENABLE_TC128; 2388 WREG32(ARB_POP, tmp); 2389 2390 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 2391 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA | 2392 NUM_CLIP_SEQ(3))); 2393 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095)); 2394 WREG32(VC_ENHANCE, 0); 2395 } 2396 2397 2398 /* 2399 * Indirect registers accessor 2400 */ 2401 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg) 2402 { 2403 unsigned long flags; 2404 u32 r; 2405 2406 spin_lock_irqsave(&rdev->pciep_idx_lock, flags); 2407 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 2408 (void)RREG32(PCIE_PORT_INDEX); 2409 r = RREG32(PCIE_PORT_DATA); 2410 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags); 2411 return r; 2412 } 2413 2414 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) 2415 { 2416 unsigned long flags; 2417 2418 spin_lock_irqsave(&rdev->pciep_idx_lock, flags); 2419 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 2420 (void)RREG32(PCIE_PORT_INDEX); 2421 WREG32(PCIE_PORT_DATA, (v)); 2422 (void)RREG32(PCIE_PORT_DATA); 2423 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags); 2424 } 2425 2426 /* 2427 * CP & Ring 2428 */ 2429 void r600_cp_stop(struct radeon_device *rdev) 2430 { 2431 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 2432 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 2433 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 2434 WREG32(SCRATCH_UMSK, 0); 2435 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 2436 } 2437 2438 int r600_init_microcode(struct radeon_device *rdev) 2439 { 2440 const char *chip_name; 2441 const char *rlc_chip_name; 2442 const char *smc_chip_name = "RV770"; 2443 size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0; 2444 char fw_name[30]; 2445 int err; 2446 2447 DRM_DEBUG("\n"); 2448 2449 switch (rdev->family) { 2450 case CHIP_R600: 2451 chip_name = "R600"; 2452 rlc_chip_name = "R600"; 2453 break; 2454 case CHIP_RV610: 2455 chip_name = "RV610"; 2456 rlc_chip_name = "R600"; 2457 break; 2458 case CHIP_RV630: 2459 chip_name = "RV630"; 2460 rlc_chip_name = "R600"; 2461 break; 2462 case CHIP_RV620: 2463 chip_name = "RV620"; 2464 rlc_chip_name = "R600"; 2465 break; 2466 case CHIP_RV635: 2467 chip_name = "RV635"; 2468 rlc_chip_name = "R600"; 2469 break; 2470 case CHIP_RV670: 2471 chip_name = "RV670"; 2472 rlc_chip_name = "R600"; 2473 break; 2474 case CHIP_RS780: 2475 case CHIP_RS880: 2476 chip_name = "RS780"; 2477 rlc_chip_name = "R600"; 2478 break; 2479 case CHIP_RV770: 2480 chip_name = "RV770"; 2481 rlc_chip_name = "R700"; 2482 smc_chip_name = "RV770"; 2483 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4); 2484 break; 2485 case CHIP_RV730: 2486 chip_name = "RV730"; 2487 rlc_chip_name = "R700"; 2488 smc_chip_name = "RV730"; 2489 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4); 2490 break; 2491 case CHIP_RV710: 2492 chip_name = "RV710"; 2493 rlc_chip_name = "R700"; 2494 smc_chip_name = "RV710"; 2495 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4); 2496 break; 2497 case CHIP_RV740: 2498 chip_name = "RV730"; 2499 rlc_chip_name = "R700"; 2500 smc_chip_name = "RV740"; 2501 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4); 2502 break; 2503 case CHIP_CEDAR: 2504 chip_name = "CEDAR"; 2505 rlc_chip_name = "CEDAR"; 2506 smc_chip_name = "CEDAR"; 2507 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4); 2508 break; 2509 case CHIP_REDWOOD: 2510 chip_name = "REDWOOD"; 2511 rlc_chip_name = "REDWOOD"; 2512 smc_chip_name = "REDWOOD"; 2513 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4); 2514 break; 2515 case CHIP_JUNIPER: 2516 chip_name = "JUNIPER"; 2517 rlc_chip_name = "JUNIPER"; 2518 smc_chip_name = "JUNIPER"; 2519 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4); 2520 break; 2521 case CHIP_CYPRESS: 2522 case CHIP_HEMLOCK: 2523 chip_name = "CYPRESS"; 2524 rlc_chip_name = "CYPRESS"; 2525 smc_chip_name = "CYPRESS"; 2526 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4); 2527 break; 2528 case CHIP_PALM: 2529 chip_name = "PALM"; 2530 rlc_chip_name = "SUMO"; 2531 break; 2532 case CHIP_SUMO: 2533 chip_name = "SUMO"; 2534 rlc_chip_name = "SUMO"; 2535 break; 2536 case CHIP_SUMO2: 2537 chip_name = "SUMO2"; 2538 rlc_chip_name = "SUMO"; 2539 break; 2540 default: BUG(); 2541 } 2542 2543 if (rdev->family >= CHIP_CEDAR) { 2544 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 2545 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 2546 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 2547 } else if (rdev->family >= CHIP_RV770) { 2548 pfp_req_size = R700_PFP_UCODE_SIZE * 4; 2549 me_req_size = R700_PM4_UCODE_SIZE * 4; 2550 rlc_req_size = R700_RLC_UCODE_SIZE * 4; 2551 } else { 2552 pfp_req_size = R600_PFP_UCODE_SIZE * 4; 2553 me_req_size = R600_PM4_UCODE_SIZE * 12; 2554 rlc_req_size = R600_RLC_UCODE_SIZE * 4; 2555 } 2556 2557 DRM_INFO("Loading %s Microcode\n", chip_name); 2558 2559 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 2560 err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev); 2561 if (err) 2562 goto out; 2563 if (rdev->pfp_fw->size != pfp_req_size) { 2564 pr_err("r600_cp: Bogus length %zu in firmware \"%s\"\n", 2565 rdev->pfp_fw->size, fw_name); 2566 err = -EINVAL; 2567 goto out; 2568 } 2569 2570 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 2571 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); 2572 if (err) 2573 goto out; 2574 if (rdev->me_fw->size != me_req_size) { 2575 pr_err("r600_cp: Bogus length %zu in firmware \"%s\"\n", 2576 rdev->me_fw->size, fw_name); 2577 err = -EINVAL; 2578 } 2579 2580 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 2581 err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev); 2582 if (err) 2583 goto out; 2584 if (rdev->rlc_fw->size != rlc_req_size) { 2585 pr_err("r600_rlc: Bogus length %zu in firmware \"%s\"\n", 2586 rdev->rlc_fw->size, fw_name); 2587 err = -EINVAL; 2588 } 2589 2590 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) { 2591 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name); 2592 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); 2593 if (err) { 2594 pr_err("smc: error loading firmware \"%s\"\n", fw_name); 2595 release_firmware(rdev->smc_fw); 2596 rdev->smc_fw = NULL; 2597 err = 0; 2598 } else if (rdev->smc_fw->size != smc_req_size) { 2599 pr_err("smc: Bogus length %zu in firmware \"%s\"\n", 2600 rdev->smc_fw->size, fw_name); 2601 err = -EINVAL; 2602 } 2603 } 2604 2605 out: 2606 if (err) { 2607 if (err != -EINVAL) 2608 pr_err("r600_cp: Failed to load firmware \"%s\"\n", 2609 fw_name); 2610 release_firmware(rdev->pfp_fw); 2611 rdev->pfp_fw = NULL; 2612 release_firmware(rdev->me_fw); 2613 rdev->me_fw = NULL; 2614 release_firmware(rdev->rlc_fw); 2615 rdev->rlc_fw = NULL; 2616 release_firmware(rdev->smc_fw); 2617 rdev->smc_fw = NULL; 2618 } 2619 return err; 2620 } 2621 2622 u32 r600_gfx_get_rptr(struct radeon_device *rdev, 2623 struct radeon_ring *ring) 2624 { 2625 u32 rptr; 2626 2627 if (rdev->wb.enabled) 2628 rptr = rdev->wb.wb[ring->rptr_offs/4]; 2629 else 2630 rptr = RREG32(R600_CP_RB_RPTR); 2631 2632 return rptr; 2633 } 2634 2635 u32 r600_gfx_get_wptr(struct radeon_device *rdev, 2636 struct radeon_ring *ring) 2637 { 2638 return RREG32(R600_CP_RB_WPTR); 2639 } 2640 2641 void r600_gfx_set_wptr(struct radeon_device *rdev, 2642 struct radeon_ring *ring) 2643 { 2644 WREG32(R600_CP_RB_WPTR, ring->wptr); 2645 (void)RREG32(R600_CP_RB_WPTR); 2646 } 2647 2648 static int r600_cp_load_microcode(struct radeon_device *rdev) 2649 { 2650 const __be32 *fw_data; 2651 int i; 2652 2653 if (!rdev->me_fw || !rdev->pfp_fw) 2654 return -EINVAL; 2655 2656 r600_cp_stop(rdev); 2657 2658 WREG32(CP_RB_CNTL, 2659 #ifdef __BIG_ENDIAN 2660 BUF_SWAP_32BIT | 2661 #endif 2662 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); 2663 2664 /* Reset cp */ 2665 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2666 RREG32(GRBM_SOFT_RESET); 2667 mdelay(15); 2668 WREG32(GRBM_SOFT_RESET, 0); 2669 2670 WREG32(CP_ME_RAM_WADDR, 0); 2671 2672 fw_data = (const __be32 *)rdev->me_fw->data; 2673 WREG32(CP_ME_RAM_WADDR, 0); 2674 for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++) 2675 WREG32(CP_ME_RAM_DATA, 2676 be32_to_cpup(fw_data++)); 2677 2678 fw_data = (const __be32 *)rdev->pfp_fw->data; 2679 WREG32(CP_PFP_UCODE_ADDR, 0); 2680 for (i = 0; i < R600_PFP_UCODE_SIZE; i++) 2681 WREG32(CP_PFP_UCODE_DATA, 2682 be32_to_cpup(fw_data++)); 2683 2684 WREG32(CP_PFP_UCODE_ADDR, 0); 2685 WREG32(CP_ME_RAM_WADDR, 0); 2686 WREG32(CP_ME_RAM_RADDR, 0); 2687 return 0; 2688 } 2689 2690 int r600_cp_start(struct radeon_device *rdev) 2691 { 2692 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2693 int r; 2694 uint32_t cp_me; 2695 2696 r = radeon_ring_lock(rdev, ring, 7); 2697 if (r) { 2698 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 2699 return r; 2700 } 2701 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 2702 radeon_ring_write(ring, 0x1); 2703 if (rdev->family >= CHIP_RV770) { 2704 radeon_ring_write(ring, 0x0); 2705 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1); 2706 } else { 2707 radeon_ring_write(ring, 0x3); 2708 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1); 2709 } 2710 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 2711 radeon_ring_write(ring, 0); 2712 radeon_ring_write(ring, 0); 2713 radeon_ring_unlock_commit(rdev, ring, false); 2714 2715 cp_me = 0xff; 2716 WREG32(R_0086D8_CP_ME_CNTL, cp_me); 2717 return 0; 2718 } 2719 2720 int r600_cp_resume(struct radeon_device *rdev) 2721 { 2722 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2723 u32 tmp; 2724 u32 rb_bufsz; 2725 int r; 2726 2727 /* Reset cp */ 2728 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2729 RREG32(GRBM_SOFT_RESET); 2730 mdelay(15); 2731 WREG32(GRBM_SOFT_RESET, 0); 2732 2733 /* Set ring buffer size */ 2734 rb_bufsz = order_base_2(ring->ring_size / 8); 2735 tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2736 #ifdef __BIG_ENDIAN 2737 tmp |= BUF_SWAP_32BIT; 2738 #endif 2739 WREG32(CP_RB_CNTL, tmp); 2740 WREG32(CP_SEM_WAIT_TIMER, 0x0); 2741 2742 /* Set the write pointer delay */ 2743 WREG32(CP_RB_WPTR_DELAY, 0); 2744 2745 /* Initialize the ring buffer's read and write pointers */ 2746 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); 2747 WREG32(CP_RB_RPTR_WR, 0); 2748 ring->wptr = 0; 2749 WREG32(CP_RB_WPTR, ring->wptr); 2750 2751 /* set the wb address whether it's enabled or not */ 2752 WREG32(CP_RB_RPTR_ADDR, 2753 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); 2754 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); 2755 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 2756 2757 if (rdev->wb.enabled) 2758 WREG32(SCRATCH_UMSK, 0xff); 2759 else { 2760 tmp |= RB_NO_UPDATE; 2761 WREG32(SCRATCH_UMSK, 0); 2762 } 2763 2764 mdelay(1); 2765 WREG32(CP_RB_CNTL, tmp); 2766 2767 WREG32(CP_RB_BASE, ring->gpu_addr >> 8); 2768 WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); 2769 2770 r600_cp_start(rdev); 2771 ring->ready = true; 2772 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); 2773 if (r) { 2774 ring->ready = false; 2775 return r; 2776 } 2777 2778 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 2779 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 2780 2781 return 0; 2782 } 2783 2784 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size) 2785 { 2786 u32 rb_bufsz; 2787 int r; 2788 2789 /* Align ring size */ 2790 rb_bufsz = order_base_2(ring_size / 8); 2791 ring_size = (1 << (rb_bufsz + 1)) * 4; 2792 ring->ring_size = ring_size; 2793 ring->align_mask = 16 - 1; 2794 2795 if (radeon_ring_supports_scratch_reg(rdev, ring)) { 2796 r = radeon_scratch_get(rdev, &ring->rptr_save_reg); 2797 if (r) { 2798 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); 2799 ring->rptr_save_reg = 0; 2800 } 2801 } 2802 } 2803 2804 void r600_cp_fini(struct radeon_device *rdev) 2805 { 2806 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2807 r600_cp_stop(rdev); 2808 radeon_ring_fini(rdev, ring); 2809 radeon_scratch_free(rdev, ring->rptr_save_reg); 2810 } 2811 2812 /* 2813 * GPU scratch registers helpers function. 2814 */ 2815 void r600_scratch_init(struct radeon_device *rdev) 2816 { 2817 int i; 2818 2819 rdev->scratch.num_reg = 7; 2820 rdev->scratch.reg_base = SCRATCH_REG0; 2821 for (i = 0; i < rdev->scratch.num_reg; i++) { 2822 rdev->scratch.free[i] = true; 2823 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); 2824 } 2825 } 2826 2827 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 2828 { 2829 uint32_t scratch; 2830 uint32_t tmp = 0; 2831 unsigned i; 2832 int r; 2833 2834 r = radeon_scratch_get(rdev, &scratch); 2835 if (r) { 2836 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 2837 return r; 2838 } 2839 WREG32(scratch, 0xCAFEDEAD); 2840 r = radeon_ring_lock(rdev, ring, 3); 2841 if (r) { 2842 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r); 2843 radeon_scratch_free(rdev, scratch); 2844 return r; 2845 } 2846 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2847 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2848 radeon_ring_write(ring, 0xDEADBEEF); 2849 radeon_ring_unlock_commit(rdev, ring, false); 2850 for (i = 0; i < rdev->usec_timeout; i++) { 2851 tmp = RREG32(scratch); 2852 if (tmp == 0xDEADBEEF) 2853 break; 2854 udelay(1); 2855 } 2856 if (i < rdev->usec_timeout) { 2857 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); 2858 } else { 2859 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n", 2860 ring->idx, scratch, tmp); 2861 r = -EINVAL; 2862 } 2863 radeon_scratch_free(rdev, scratch); 2864 return r; 2865 } 2866 2867 /* 2868 * CP fences/semaphores 2869 */ 2870 2871 void r600_fence_ring_emit(struct radeon_device *rdev, 2872 struct radeon_fence *fence) 2873 { 2874 struct radeon_ring *ring = &rdev->ring[fence->ring]; 2875 u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA | 2876 PACKET3_SH_ACTION_ENA; 2877 2878 if (rdev->family >= CHIP_RV770) 2879 cp_coher_cntl |= PACKET3_FULL_CACHE_ENA; 2880 2881 if (rdev->wb.use_event) { 2882 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 2883 /* flush read cache over gart */ 2884 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2885 radeon_ring_write(ring, cp_coher_cntl); 2886 radeon_ring_write(ring, 0xFFFFFFFF); 2887 radeon_ring_write(ring, 0); 2888 radeon_ring_write(ring, 10); /* poll interval */ 2889 /* EVENT_WRITE_EOP - flush caches, send int */ 2890 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 2891 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 2892 radeon_ring_write(ring, lower_32_bits(addr)); 2893 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 2894 radeon_ring_write(ring, fence->seq); 2895 radeon_ring_write(ring, 0); 2896 } else { 2897 /* flush read cache over gart */ 2898 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2899 radeon_ring_write(ring, cp_coher_cntl); 2900 radeon_ring_write(ring, 0xFFFFFFFF); 2901 radeon_ring_write(ring, 0); 2902 radeon_ring_write(ring, 10); /* poll interval */ 2903 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0)); 2904 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0)); 2905 /* wait for 3D idle clean */ 2906 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2907 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2908 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit); 2909 /* Emit fence sequence & fire IRQ */ 2910 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2911 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2912 radeon_ring_write(ring, fence->seq); 2913 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ 2914 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0)); 2915 radeon_ring_write(ring, RB_INT_STAT); 2916 } 2917 } 2918 2919 /** 2920 * r600_semaphore_ring_emit - emit a semaphore on the CP ring 2921 * 2922 * @rdev: radeon_device pointer 2923 * @ring: radeon ring buffer object 2924 * @semaphore: radeon semaphore object 2925 * @emit_wait: Is this a sempahore wait? 2926 * 2927 * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP 2928 * from running ahead of semaphore waits. 2929 */ 2930 bool r600_semaphore_ring_emit(struct radeon_device *rdev, 2931 struct radeon_ring *ring, 2932 struct radeon_semaphore *semaphore, 2933 bool emit_wait) 2934 { 2935 uint64_t addr = semaphore->gpu_addr; 2936 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; 2937 2938 if (rdev->family < CHIP_CAYMAN) 2939 sel |= PACKET3_SEM_WAIT_ON_SIGNAL; 2940 2941 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1)); 2942 radeon_ring_write(ring, lower_32_bits(addr)); 2943 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel); 2944 2945 /* PFP_SYNC_ME packet only exists on 7xx+, only enable it on eg+ */ 2946 if (emit_wait && (rdev->family >= CHIP_CEDAR)) { 2947 /* Prevent the PFP from running ahead of the semaphore wait */ 2948 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); 2949 radeon_ring_write(ring, 0x0); 2950 } 2951 2952 return true; 2953 } 2954 2955 /** 2956 * r600_copy_cpdma - copy pages using the CP DMA engine 2957 * 2958 * @rdev: radeon_device pointer 2959 * @src_offset: src GPU address 2960 * @dst_offset: dst GPU address 2961 * @num_gpu_pages: number of GPU pages to xfer 2962 * @fence: radeon fence object 2963 * 2964 * Copy GPU paging using the CP DMA engine (r6xx+). 2965 * Used by the radeon ttm implementation to move pages if 2966 * registered as the asic copy callback. 2967 */ 2968 struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev, 2969 uint64_t src_offset, uint64_t dst_offset, 2970 unsigned num_gpu_pages, 2971 struct dma_resv *resv) 2972 { 2973 struct radeon_fence *fence; 2974 struct radeon_sync sync; 2975 int ring_index = rdev->asic->copy.blit_ring_index; 2976 struct radeon_ring *ring = &rdev->ring[ring_index]; 2977 u32 size_in_bytes, cur_size_in_bytes, tmp; 2978 int i, num_loops; 2979 int r = 0; 2980 2981 radeon_sync_create(&sync); 2982 2983 size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT); 2984 num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff); 2985 r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24); 2986 if (r) { 2987 DRM_ERROR("radeon: moving bo (%d).\n", r); 2988 radeon_sync_free(rdev, &sync, NULL); 2989 return ERR_PTR(r); 2990 } 2991 2992 radeon_sync_resv(rdev, &sync, resv, false); 2993 radeon_sync_rings(rdev, &sync, ring->idx); 2994 2995 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2996 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2997 radeon_ring_write(ring, WAIT_3D_IDLE_bit); 2998 for (i = 0; i < num_loops; i++) { 2999 cur_size_in_bytes = size_in_bytes; 3000 if (cur_size_in_bytes > 0x1fffff) 3001 cur_size_in_bytes = 0x1fffff; 3002 size_in_bytes -= cur_size_in_bytes; 3003 tmp = upper_32_bits(src_offset) & 0xff; 3004 if (size_in_bytes == 0) 3005 tmp |= PACKET3_CP_DMA_CP_SYNC; 3006 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4)); 3007 radeon_ring_write(ring, lower_32_bits(src_offset)); 3008 radeon_ring_write(ring, tmp); 3009 radeon_ring_write(ring, lower_32_bits(dst_offset)); 3010 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); 3011 radeon_ring_write(ring, cur_size_in_bytes); 3012 src_offset += cur_size_in_bytes; 3013 dst_offset += cur_size_in_bytes; 3014 } 3015 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 3016 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 3017 radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit); 3018 3019 r = radeon_fence_emit(rdev, &fence, ring->idx); 3020 if (r) { 3021 radeon_ring_unlock_undo(rdev, ring); 3022 radeon_sync_free(rdev, &sync, NULL); 3023 return ERR_PTR(r); 3024 } 3025 3026 radeon_ring_unlock_commit(rdev, ring, false); 3027 radeon_sync_free(rdev, &sync, fence); 3028 3029 return fence; 3030 } 3031 3032 int r600_set_surface_reg(struct radeon_device *rdev, int reg, 3033 uint32_t tiling_flags, uint32_t pitch, 3034 uint32_t offset, uint32_t obj_size) 3035 { 3036 /* FIXME: implement */ 3037 return 0; 3038 } 3039 3040 void r600_clear_surface_reg(struct radeon_device *rdev, int reg) 3041 { 3042 /* FIXME: implement */ 3043 } 3044 3045 static void r600_uvd_init(struct radeon_device *rdev) 3046 { 3047 int r; 3048 3049 if (!rdev->has_uvd) 3050 return; 3051 3052 r = radeon_uvd_init(rdev); 3053 if (r) { 3054 dev_err(rdev->dev, "failed UVD (%d) init.\n", r); 3055 /* 3056 * At this point rdev->uvd.vcpu_bo is NULL which trickles down 3057 * to early fails uvd_v1_0_resume() and thus nothing happens 3058 * there. So it is pointless to try to go through that code 3059 * hence why we disable uvd here. 3060 */ 3061 rdev->has_uvd = false; 3062 return; 3063 } 3064 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL; 3065 r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096); 3066 } 3067 3068 static void r600_uvd_start(struct radeon_device *rdev) 3069 { 3070 int r; 3071 3072 if (!rdev->has_uvd) 3073 return; 3074 3075 r = uvd_v1_0_resume(rdev); 3076 if (r) { 3077 dev_err(rdev->dev, "failed UVD resume (%d).\n", r); 3078 goto error; 3079 } 3080 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX); 3081 if (r) { 3082 dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r); 3083 goto error; 3084 } 3085 return; 3086 3087 error: 3088 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0; 3089 } 3090 3091 static void r600_uvd_resume(struct radeon_device *rdev) 3092 { 3093 struct radeon_ring *ring; 3094 int r; 3095 3096 if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size) 3097 return; 3098 3099 ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; 3100 r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0)); 3101 if (r) { 3102 dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r); 3103 return; 3104 } 3105 r = uvd_v1_0_init(rdev); 3106 if (r) { 3107 dev_err(rdev->dev, "failed initializing UVD (%d).\n", r); 3108 return; 3109 } 3110 } 3111 3112 static int r600_startup(struct radeon_device *rdev) 3113 { 3114 struct radeon_ring *ring; 3115 int r; 3116 3117 /* enable pcie gen2 link */ 3118 r600_pcie_gen2_enable(rdev); 3119 3120 /* scratch needs to be initialized before MC */ 3121 r = r600_vram_scratch_init(rdev); 3122 if (r) 3123 return r; 3124 3125 r600_mc_program(rdev); 3126 3127 if (rdev->flags & RADEON_IS_AGP) { 3128 r600_agp_enable(rdev); 3129 } else { 3130 r = r600_pcie_gart_enable(rdev); 3131 if (r) 3132 return r; 3133 } 3134 r600_gpu_init(rdev); 3135 3136 /* allocate wb buffer */ 3137 r = radeon_wb_init(rdev); 3138 if (r) 3139 return r; 3140 3141 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 3142 if (r) { 3143 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 3144 return r; 3145 } 3146 3147 r600_uvd_start(rdev); 3148 3149 /* Enable IRQ */ 3150 if (!rdev->irq.installed) { 3151 r = radeon_irq_kms_init(rdev); 3152 if (r) 3153 return r; 3154 } 3155 3156 r = r600_irq_init(rdev); 3157 if (r) { 3158 DRM_ERROR("radeon: IH init failed (%d).\n", r); 3159 radeon_irq_kms_fini(rdev); 3160 return r; 3161 } 3162 r600_irq_set(rdev); 3163 3164 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 3165 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 3166 RADEON_CP_PACKET2); 3167 if (r) 3168 return r; 3169 3170 r = r600_cp_load_microcode(rdev); 3171 if (r) 3172 return r; 3173 r = r600_cp_resume(rdev); 3174 if (r) 3175 return r; 3176 3177 r600_uvd_resume(rdev); 3178 3179 r = radeon_ib_pool_init(rdev); 3180 if (r) { 3181 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 3182 return r; 3183 } 3184 3185 r = radeon_audio_init(rdev); 3186 if (r) { 3187 DRM_ERROR("radeon: audio init failed\n"); 3188 return r; 3189 } 3190 3191 return 0; 3192 } 3193 3194 void r600_vga_set_state(struct radeon_device *rdev, bool state) 3195 { 3196 uint32_t temp; 3197 3198 temp = RREG32(CONFIG_CNTL); 3199 if (!state) { 3200 temp &= ~(1<<0); 3201 temp |= (1<<1); 3202 } else { 3203 temp &= ~(1<<1); 3204 } 3205 WREG32(CONFIG_CNTL, temp); 3206 } 3207 3208 int r600_resume(struct radeon_device *rdev) 3209 { 3210 int r; 3211 3212 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw, 3213 * posting will perform necessary task to bring back GPU into good 3214 * shape. 3215 */ 3216 /* post card */ 3217 atom_asic_init(rdev->mode_info.atom_context); 3218 3219 if (rdev->pm.pm_method == PM_METHOD_DPM) 3220 radeon_pm_resume(rdev); 3221 3222 rdev->accel_working = true; 3223 r = r600_startup(rdev); 3224 if (r) { 3225 DRM_ERROR("r600 startup failed on resume\n"); 3226 rdev->accel_working = false; 3227 return r; 3228 } 3229 3230 return r; 3231 } 3232 3233 int r600_suspend(struct radeon_device *rdev) 3234 { 3235 radeon_pm_suspend(rdev); 3236 radeon_audio_fini(rdev); 3237 r600_cp_stop(rdev); 3238 if (rdev->has_uvd) { 3239 uvd_v1_0_fini(rdev); 3240 radeon_uvd_suspend(rdev); 3241 } 3242 r600_irq_suspend(rdev); 3243 radeon_wb_disable(rdev); 3244 r600_pcie_gart_disable(rdev); 3245 3246 return 0; 3247 } 3248 3249 /* Plan is to move initialization in that function and use 3250 * helper function so that radeon_device_init pretty much 3251 * do nothing more than calling asic specific function. This 3252 * should also allow to remove a bunch of callback function 3253 * like vram_info. 3254 */ 3255 int r600_init(struct radeon_device *rdev) 3256 { 3257 int r; 3258 3259 if (r600_debugfs_mc_info_init(rdev)) { 3260 DRM_ERROR("Failed to register debugfs file for mc !\n"); 3261 } 3262 /* Read BIOS */ 3263 if (!radeon_get_bios(rdev)) { 3264 if (ASIC_IS_AVIVO(rdev)) 3265 return -EINVAL; 3266 } 3267 /* Must be an ATOMBIOS */ 3268 if (!rdev->is_atom_bios) { 3269 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n"); 3270 return -EINVAL; 3271 } 3272 r = radeon_atombios_init(rdev); 3273 if (r) 3274 return r; 3275 /* Post card if necessary */ 3276 if (!radeon_card_posted(rdev)) { 3277 if (!rdev->bios) { 3278 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 3279 return -EINVAL; 3280 } 3281 DRM_INFO("GPU not posted. posting now...\n"); 3282 atom_asic_init(rdev->mode_info.atom_context); 3283 } 3284 /* Initialize scratch registers */ 3285 r600_scratch_init(rdev); 3286 /* Initialize surface registers */ 3287 radeon_surface_init(rdev); 3288 /* Initialize clocks */ 3289 radeon_get_clock_info(rdev->ddev); 3290 /* Fence driver */ 3291 r = radeon_fence_driver_init(rdev); 3292 if (r) 3293 return r; 3294 if (rdev->flags & RADEON_IS_AGP) { 3295 r = radeon_agp_init(rdev); 3296 if (r) 3297 radeon_agp_disable(rdev); 3298 } 3299 r = r600_mc_init(rdev); 3300 if (r) 3301 return r; 3302 /* Memory manager */ 3303 r = radeon_bo_init(rdev); 3304 if (r) 3305 return r; 3306 3307 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 3308 r = r600_init_microcode(rdev); 3309 if (r) { 3310 DRM_ERROR("Failed to load firmware!\n"); 3311 return r; 3312 } 3313 } 3314 3315 /* Initialize power management */ 3316 radeon_pm_init(rdev); 3317 3318 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL; 3319 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024); 3320 3321 r600_uvd_init(rdev); 3322 3323 rdev->ih.ring_obj = NULL; 3324 r600_ih_ring_init(rdev, 64 * 1024); 3325 3326 r = r600_pcie_gart_init(rdev); 3327 if (r) 3328 return r; 3329 3330 rdev->accel_working = true; 3331 r = r600_startup(rdev); 3332 if (r) { 3333 dev_err(rdev->dev, "disabling GPU acceleration\n"); 3334 r600_cp_fini(rdev); 3335 r600_irq_fini(rdev); 3336 radeon_wb_fini(rdev); 3337 radeon_ib_pool_fini(rdev); 3338 radeon_irq_kms_fini(rdev); 3339 r600_pcie_gart_fini(rdev); 3340 rdev->accel_working = false; 3341 } 3342 3343 return 0; 3344 } 3345 3346 void r600_fini(struct radeon_device *rdev) 3347 { 3348 radeon_pm_fini(rdev); 3349 radeon_audio_fini(rdev); 3350 r600_cp_fini(rdev); 3351 r600_irq_fini(rdev); 3352 if (rdev->has_uvd) { 3353 uvd_v1_0_fini(rdev); 3354 radeon_uvd_fini(rdev); 3355 } 3356 radeon_wb_fini(rdev); 3357 radeon_ib_pool_fini(rdev); 3358 radeon_irq_kms_fini(rdev); 3359 r600_pcie_gart_fini(rdev); 3360 r600_vram_scratch_fini(rdev); 3361 radeon_agp_fini(rdev); 3362 radeon_gem_fini(rdev); 3363 radeon_fence_driver_fini(rdev); 3364 radeon_bo_fini(rdev); 3365 radeon_atombios_fini(rdev); 3366 kfree(rdev->bios); 3367 rdev->bios = NULL; 3368 } 3369 3370 3371 /* 3372 * CS stuff 3373 */ 3374 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 3375 { 3376 struct radeon_ring *ring = &rdev->ring[ib->ring]; 3377 u32 next_rptr; 3378 3379 if (ring->rptr_save_reg) { 3380 next_rptr = ring->wptr + 3 + 4; 3381 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 3382 radeon_ring_write(ring, ((ring->rptr_save_reg - 3383 PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 3384 radeon_ring_write(ring, next_rptr); 3385 } else if (rdev->wb.enabled) { 3386 next_rptr = ring->wptr + 5 + 4; 3387 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3)); 3388 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); 3389 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18)); 3390 radeon_ring_write(ring, next_rptr); 3391 radeon_ring_write(ring, 0); 3392 } 3393 3394 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 3395 radeon_ring_write(ring, 3396 #ifdef __BIG_ENDIAN 3397 (2 << 0) | 3398 #endif 3399 (ib->gpu_addr & 0xFFFFFFFC)); 3400 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 3401 radeon_ring_write(ring, ib->length_dw); 3402 } 3403 3404 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) 3405 { 3406 struct radeon_ib ib; 3407 uint32_t scratch; 3408 uint32_t tmp = 0; 3409 unsigned i; 3410 int r; 3411 3412 r = radeon_scratch_get(rdev, &scratch); 3413 if (r) { 3414 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 3415 return r; 3416 } 3417 WREG32(scratch, 0xCAFEDEAD); 3418 r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); 3419 if (r) { 3420 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 3421 goto free_scratch; 3422 } 3423 ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1); 3424 ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 3425 ib.ptr[2] = 0xDEADBEEF; 3426 ib.length_dw = 3; 3427 r = radeon_ib_schedule(rdev, &ib, NULL, false); 3428 if (r) { 3429 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 3430 goto free_ib; 3431 } 3432 r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies( 3433 RADEON_USEC_IB_TEST_TIMEOUT)); 3434 if (r < 0) { 3435 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 3436 goto free_ib; 3437 } else if (r == 0) { 3438 DRM_ERROR("radeon: fence wait timed out.\n"); 3439 r = -ETIMEDOUT; 3440 goto free_ib; 3441 } 3442 r = 0; 3443 for (i = 0; i < rdev->usec_timeout; i++) { 3444 tmp = RREG32(scratch); 3445 if (tmp == 0xDEADBEEF) 3446 break; 3447 udelay(1); 3448 } 3449 if (i < rdev->usec_timeout) { 3450 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i); 3451 } else { 3452 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 3453 scratch, tmp); 3454 r = -EINVAL; 3455 } 3456 free_ib: 3457 radeon_ib_free(rdev, &ib); 3458 free_scratch: 3459 radeon_scratch_free(rdev, scratch); 3460 return r; 3461 } 3462 3463 /* 3464 * Interrupts 3465 * 3466 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty 3467 * the same as the CP ring buffer, but in reverse. Rather than the CPU 3468 * writing to the ring and the GPU consuming, the GPU writes to the ring 3469 * and host consumes. As the host irq handler processes interrupts, it 3470 * increments the rptr. When the rptr catches up with the wptr, all the 3471 * current interrupts have been processed. 3472 */ 3473 3474 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size) 3475 { 3476 u32 rb_bufsz; 3477 3478 /* Align ring size */ 3479 rb_bufsz = order_base_2(ring_size / 4); 3480 ring_size = (1 << rb_bufsz) * 4; 3481 rdev->ih.ring_size = ring_size; 3482 rdev->ih.ptr_mask = rdev->ih.ring_size - 1; 3483 rdev->ih.rptr = 0; 3484 } 3485 3486 int r600_ih_ring_alloc(struct radeon_device *rdev) 3487 { 3488 int r; 3489 3490 /* Allocate ring buffer */ 3491 if (rdev->ih.ring_obj == NULL) { 3492 r = radeon_bo_create(rdev, rdev->ih.ring_size, 3493 PAGE_SIZE, true, 3494 RADEON_GEM_DOMAIN_GTT, 0, 3495 NULL, NULL, &rdev->ih.ring_obj); 3496 if (r) { 3497 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r); 3498 return r; 3499 } 3500 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 3501 if (unlikely(r != 0)) 3502 return r; 3503 r = radeon_bo_pin(rdev->ih.ring_obj, 3504 RADEON_GEM_DOMAIN_GTT, 3505 &rdev->ih.gpu_addr); 3506 if (r) { 3507 radeon_bo_unreserve(rdev->ih.ring_obj); 3508 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r); 3509 return r; 3510 } 3511 r = radeon_bo_kmap(rdev->ih.ring_obj, 3512 (void **)&rdev->ih.ring); 3513 radeon_bo_unreserve(rdev->ih.ring_obj); 3514 if (r) { 3515 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r); 3516 return r; 3517 } 3518 } 3519 return 0; 3520 } 3521 3522 void r600_ih_ring_fini(struct radeon_device *rdev) 3523 { 3524 int r; 3525 if (rdev->ih.ring_obj) { 3526 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 3527 if (likely(r == 0)) { 3528 radeon_bo_kunmap(rdev->ih.ring_obj); 3529 radeon_bo_unpin(rdev->ih.ring_obj); 3530 radeon_bo_unreserve(rdev->ih.ring_obj); 3531 } 3532 radeon_bo_unref(&rdev->ih.ring_obj); 3533 rdev->ih.ring = NULL; 3534 rdev->ih.ring_obj = NULL; 3535 } 3536 } 3537 3538 void r600_rlc_stop(struct radeon_device *rdev) 3539 { 3540 3541 if ((rdev->family >= CHIP_RV770) && 3542 (rdev->family <= CHIP_RV740)) { 3543 /* r7xx asics need to soft reset RLC before halting */ 3544 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC); 3545 RREG32(SRBM_SOFT_RESET); 3546 mdelay(15); 3547 WREG32(SRBM_SOFT_RESET, 0); 3548 RREG32(SRBM_SOFT_RESET); 3549 } 3550 3551 WREG32(RLC_CNTL, 0); 3552 } 3553 3554 static void r600_rlc_start(struct radeon_device *rdev) 3555 { 3556 WREG32(RLC_CNTL, RLC_ENABLE); 3557 } 3558 3559 static int r600_rlc_resume(struct radeon_device *rdev) 3560 { 3561 u32 i; 3562 const __be32 *fw_data; 3563 3564 if (!rdev->rlc_fw) 3565 return -EINVAL; 3566 3567 r600_rlc_stop(rdev); 3568 3569 WREG32(RLC_HB_CNTL, 0); 3570 3571 WREG32(RLC_HB_BASE, 0); 3572 WREG32(RLC_HB_RPTR, 0); 3573 WREG32(RLC_HB_WPTR, 0); 3574 WREG32(RLC_HB_WPTR_LSB_ADDR, 0); 3575 WREG32(RLC_HB_WPTR_MSB_ADDR, 0); 3576 WREG32(RLC_MC_CNTL, 0); 3577 WREG32(RLC_UCODE_CNTL, 0); 3578 3579 fw_data = (const __be32 *)rdev->rlc_fw->data; 3580 if (rdev->family >= CHIP_RV770) { 3581 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) { 3582 WREG32(RLC_UCODE_ADDR, i); 3583 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3584 } 3585 } else { 3586 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) { 3587 WREG32(RLC_UCODE_ADDR, i); 3588 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3589 } 3590 } 3591 WREG32(RLC_UCODE_ADDR, 0); 3592 3593 r600_rlc_start(rdev); 3594 3595 return 0; 3596 } 3597 3598 static void r600_enable_interrupts(struct radeon_device *rdev) 3599 { 3600 u32 ih_cntl = RREG32(IH_CNTL); 3601 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3602 3603 ih_cntl |= ENABLE_INTR; 3604 ih_rb_cntl |= IH_RB_ENABLE; 3605 WREG32(IH_CNTL, ih_cntl); 3606 WREG32(IH_RB_CNTL, ih_rb_cntl); 3607 rdev->ih.enabled = true; 3608 } 3609 3610 void r600_disable_interrupts(struct radeon_device *rdev) 3611 { 3612 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3613 u32 ih_cntl = RREG32(IH_CNTL); 3614 3615 ih_rb_cntl &= ~IH_RB_ENABLE; 3616 ih_cntl &= ~ENABLE_INTR; 3617 WREG32(IH_RB_CNTL, ih_rb_cntl); 3618 WREG32(IH_CNTL, ih_cntl); 3619 /* set rptr, wptr to 0 */ 3620 WREG32(IH_RB_RPTR, 0); 3621 WREG32(IH_RB_WPTR, 0); 3622 rdev->ih.enabled = false; 3623 rdev->ih.rptr = 0; 3624 } 3625 3626 static void r600_disable_interrupt_state(struct radeon_device *rdev) 3627 { 3628 u32 tmp; 3629 3630 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 3631 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 3632 WREG32(DMA_CNTL, tmp); 3633 WREG32(GRBM_INT_CNTL, 0); 3634 WREG32(DxMODE_INT_MASK, 0); 3635 WREG32(D1GRPH_INTERRUPT_CONTROL, 0); 3636 WREG32(D2GRPH_INTERRUPT_CONTROL, 0); 3637 if (ASIC_IS_DCE3(rdev)) { 3638 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); 3639 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); 3640 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3641 WREG32(DC_HPD1_INT_CONTROL, tmp); 3642 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3643 WREG32(DC_HPD2_INT_CONTROL, tmp); 3644 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3645 WREG32(DC_HPD3_INT_CONTROL, tmp); 3646 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3647 WREG32(DC_HPD4_INT_CONTROL, tmp); 3648 if (ASIC_IS_DCE32(rdev)) { 3649 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3650 WREG32(DC_HPD5_INT_CONTROL, tmp); 3651 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3652 WREG32(DC_HPD6_INT_CONTROL, tmp); 3653 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3654 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp); 3655 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3656 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp); 3657 } else { 3658 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3659 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3660 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3661 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp); 3662 } 3663 } else { 3664 WREG32(DACA_AUTODETECT_INT_CONTROL, 0); 3665 WREG32(DACB_AUTODETECT_INT_CONTROL, 0); 3666 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3667 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3668 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3669 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3670 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3671 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3672 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3673 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3674 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3675 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp); 3676 } 3677 } 3678 3679 int r600_irq_init(struct radeon_device *rdev) 3680 { 3681 int ret = 0; 3682 int rb_bufsz; 3683 u32 interrupt_cntl, ih_cntl, ih_rb_cntl; 3684 3685 /* allocate ring */ 3686 ret = r600_ih_ring_alloc(rdev); 3687 if (ret) 3688 return ret; 3689 3690 /* disable irqs */ 3691 r600_disable_interrupts(rdev); 3692 3693 /* init rlc */ 3694 if (rdev->family >= CHIP_CEDAR) 3695 ret = evergreen_rlc_resume(rdev); 3696 else 3697 ret = r600_rlc_resume(rdev); 3698 if (ret) { 3699 r600_ih_ring_fini(rdev); 3700 return ret; 3701 } 3702 3703 /* setup interrupt control */ 3704 /* set dummy read address to dummy page address */ 3705 WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8); 3706 interrupt_cntl = RREG32(INTERRUPT_CNTL); 3707 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi 3708 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN 3709 */ 3710 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; 3711 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ 3712 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; 3713 WREG32(INTERRUPT_CNTL, interrupt_cntl); 3714 3715 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); 3716 rb_bufsz = order_base_2(rdev->ih.ring_size / 4); 3717 3718 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | 3719 IH_WPTR_OVERFLOW_CLEAR | 3720 (rb_bufsz << 1)); 3721 3722 if (rdev->wb.enabled) 3723 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE; 3724 3725 /* set the writeback address whether it's enabled or not */ 3726 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC); 3727 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF); 3728 3729 WREG32(IH_RB_CNTL, ih_rb_cntl); 3730 3731 /* set rptr, wptr to 0 */ 3732 WREG32(IH_RB_RPTR, 0); 3733 WREG32(IH_RB_WPTR, 0); 3734 3735 /* Default settings for IH_CNTL (disabled at first) */ 3736 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10); 3737 /* RPTR_REARM only works if msi's are enabled */ 3738 if (rdev->msi_enabled) 3739 ih_cntl |= RPTR_REARM; 3740 WREG32(IH_CNTL, ih_cntl); 3741 3742 /* force the active interrupt state to all disabled */ 3743 if (rdev->family >= CHIP_CEDAR) 3744 evergreen_disable_interrupt_state(rdev); 3745 else 3746 r600_disable_interrupt_state(rdev); 3747 3748 /* at this point everything should be setup correctly to enable master */ 3749 pci_set_master(rdev->pdev); 3750 3751 /* enable irqs */ 3752 r600_enable_interrupts(rdev); 3753 3754 return ret; 3755 } 3756 3757 void r600_irq_suspend(struct radeon_device *rdev) 3758 { 3759 r600_irq_disable(rdev); 3760 r600_rlc_stop(rdev); 3761 } 3762 3763 void r600_irq_fini(struct radeon_device *rdev) 3764 { 3765 r600_irq_suspend(rdev); 3766 r600_ih_ring_fini(rdev); 3767 } 3768 3769 int r600_irq_set(struct radeon_device *rdev) 3770 { 3771 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; 3772 u32 mode_int = 0; 3773 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; 3774 u32 grbm_int_cntl = 0; 3775 u32 hdmi0, hdmi1; 3776 u32 dma_cntl; 3777 u32 thermal_int = 0; 3778 3779 if (!rdev->irq.installed) { 3780 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 3781 return -EINVAL; 3782 } 3783 /* don't enable anything if the ih is disabled */ 3784 if (!rdev->ih.enabled) { 3785 r600_disable_interrupts(rdev); 3786 /* force the active interrupt state to all disabled */ 3787 r600_disable_interrupt_state(rdev); 3788 return 0; 3789 } 3790 3791 if (ASIC_IS_DCE3(rdev)) { 3792 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3793 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3794 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3795 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; 3796 if (ASIC_IS_DCE32(rdev)) { 3797 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; 3798 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; 3799 hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 3800 hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 3801 } else { 3802 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3803 hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3804 } 3805 } else { 3806 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3807 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3808 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3809 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3810 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3811 } 3812 3813 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 3814 3815 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { 3816 thermal_int = RREG32(CG_THERMAL_INT) & 3817 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); 3818 } else if (rdev->family >= CHIP_RV770) { 3819 thermal_int = RREG32(RV770_CG_THERMAL_INT) & 3820 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); 3821 } 3822 if (rdev->irq.dpm_thermal) { 3823 DRM_DEBUG("dpm thermal\n"); 3824 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW; 3825 } 3826 3827 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 3828 DRM_DEBUG("r600_irq_set: sw int\n"); 3829 cp_int_cntl |= RB_INT_ENABLE; 3830 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 3831 } 3832 3833 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) { 3834 DRM_DEBUG("r600_irq_set: sw int dma\n"); 3835 dma_cntl |= TRAP_ENABLE; 3836 } 3837 3838 if (rdev->irq.crtc_vblank_int[0] || 3839 atomic_read(&rdev->irq.pflip[0])) { 3840 DRM_DEBUG("r600_irq_set: vblank 0\n"); 3841 mode_int |= D1MODE_VBLANK_INT_MASK; 3842 } 3843 if (rdev->irq.crtc_vblank_int[1] || 3844 atomic_read(&rdev->irq.pflip[1])) { 3845 DRM_DEBUG("r600_irq_set: vblank 1\n"); 3846 mode_int |= D2MODE_VBLANK_INT_MASK; 3847 } 3848 if (rdev->irq.hpd[0]) { 3849 DRM_DEBUG("r600_irq_set: hpd 1\n"); 3850 hpd1 |= DC_HPDx_INT_EN; 3851 } 3852 if (rdev->irq.hpd[1]) { 3853 DRM_DEBUG("r600_irq_set: hpd 2\n"); 3854 hpd2 |= DC_HPDx_INT_EN; 3855 } 3856 if (rdev->irq.hpd[2]) { 3857 DRM_DEBUG("r600_irq_set: hpd 3\n"); 3858 hpd3 |= DC_HPDx_INT_EN; 3859 } 3860 if (rdev->irq.hpd[3]) { 3861 DRM_DEBUG("r600_irq_set: hpd 4\n"); 3862 hpd4 |= DC_HPDx_INT_EN; 3863 } 3864 if (rdev->irq.hpd[4]) { 3865 DRM_DEBUG("r600_irq_set: hpd 5\n"); 3866 hpd5 |= DC_HPDx_INT_EN; 3867 } 3868 if (rdev->irq.hpd[5]) { 3869 DRM_DEBUG("r600_irq_set: hpd 6\n"); 3870 hpd6 |= DC_HPDx_INT_EN; 3871 } 3872 if (rdev->irq.afmt[0]) { 3873 DRM_DEBUG("r600_irq_set: hdmi 0\n"); 3874 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK; 3875 } 3876 if (rdev->irq.afmt[1]) { 3877 DRM_DEBUG("r600_irq_set: hdmi 0\n"); 3878 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK; 3879 } 3880 3881 WREG32(CP_INT_CNTL, cp_int_cntl); 3882 WREG32(DMA_CNTL, dma_cntl); 3883 WREG32(DxMODE_INT_MASK, mode_int); 3884 WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK); 3885 WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK); 3886 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 3887 if (ASIC_IS_DCE3(rdev)) { 3888 WREG32(DC_HPD1_INT_CONTROL, hpd1); 3889 WREG32(DC_HPD2_INT_CONTROL, hpd2); 3890 WREG32(DC_HPD3_INT_CONTROL, hpd3); 3891 WREG32(DC_HPD4_INT_CONTROL, hpd4); 3892 if (ASIC_IS_DCE32(rdev)) { 3893 WREG32(DC_HPD5_INT_CONTROL, hpd5); 3894 WREG32(DC_HPD6_INT_CONTROL, hpd6); 3895 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0); 3896 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1); 3897 } else { 3898 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 3899 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1); 3900 } 3901 } else { 3902 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 3903 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 3904 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3); 3905 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 3906 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1); 3907 } 3908 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { 3909 WREG32(CG_THERMAL_INT, thermal_int); 3910 } else if (rdev->family >= CHIP_RV770) { 3911 WREG32(RV770_CG_THERMAL_INT, thermal_int); 3912 } 3913 3914 /* posting read */ 3915 RREG32(R_000E50_SRBM_STATUS); 3916 3917 return 0; 3918 } 3919 3920 static void r600_irq_ack(struct radeon_device *rdev) 3921 { 3922 u32 tmp; 3923 3924 if (ASIC_IS_DCE3(rdev)) { 3925 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); 3926 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); 3927 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); 3928 if (ASIC_IS_DCE32(rdev)) { 3929 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0); 3930 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1); 3931 } else { 3932 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS); 3933 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS); 3934 } 3935 } else { 3936 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS); 3937 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 3938 rdev->irq.stat_regs.r600.disp_int_cont2 = 0; 3939 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS); 3940 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS); 3941 } 3942 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS); 3943 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS); 3944 3945 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3946 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3947 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3948 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3949 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) 3950 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3951 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) 3952 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3953 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) 3954 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3955 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) 3956 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3957 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3958 if (ASIC_IS_DCE3(rdev)) { 3959 tmp = RREG32(DC_HPD1_INT_CONTROL); 3960 tmp |= DC_HPDx_INT_ACK; 3961 WREG32(DC_HPD1_INT_CONTROL, tmp); 3962 } else { 3963 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 3964 tmp |= DC_HPDx_INT_ACK; 3965 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3966 } 3967 } 3968 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3969 if (ASIC_IS_DCE3(rdev)) { 3970 tmp = RREG32(DC_HPD2_INT_CONTROL); 3971 tmp |= DC_HPDx_INT_ACK; 3972 WREG32(DC_HPD2_INT_CONTROL, tmp); 3973 } else { 3974 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 3975 tmp |= DC_HPDx_INT_ACK; 3976 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3977 } 3978 } 3979 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3980 if (ASIC_IS_DCE3(rdev)) { 3981 tmp = RREG32(DC_HPD3_INT_CONTROL); 3982 tmp |= DC_HPDx_INT_ACK; 3983 WREG32(DC_HPD3_INT_CONTROL, tmp); 3984 } else { 3985 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 3986 tmp |= DC_HPDx_INT_ACK; 3987 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3988 } 3989 } 3990 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3991 tmp = RREG32(DC_HPD4_INT_CONTROL); 3992 tmp |= DC_HPDx_INT_ACK; 3993 WREG32(DC_HPD4_INT_CONTROL, tmp); 3994 } 3995 if (ASIC_IS_DCE32(rdev)) { 3996 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3997 tmp = RREG32(DC_HPD5_INT_CONTROL); 3998 tmp |= DC_HPDx_INT_ACK; 3999 WREG32(DC_HPD5_INT_CONTROL, tmp); 4000 } 4001 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 4002 tmp = RREG32(DC_HPD6_INT_CONTROL); 4003 tmp |= DC_HPDx_INT_ACK; 4004 WREG32(DC_HPD6_INT_CONTROL, tmp); 4005 } 4006 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) { 4007 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0); 4008 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 4009 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp); 4010 } 4011 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) { 4012 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1); 4013 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 4014 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp); 4015 } 4016 } else { 4017 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) { 4018 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL); 4019 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 4020 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 4021 } 4022 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) { 4023 if (ASIC_IS_DCE3(rdev)) { 4024 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL); 4025 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 4026 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp); 4027 } else { 4028 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL); 4029 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 4030 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp); 4031 } 4032 } 4033 } 4034 } 4035 4036 void r600_irq_disable(struct radeon_device *rdev) 4037 { 4038 r600_disable_interrupts(rdev); 4039 /* Wait and acknowledge irq */ 4040 mdelay(1); 4041 r600_irq_ack(rdev); 4042 r600_disable_interrupt_state(rdev); 4043 } 4044 4045 static u32 r600_get_ih_wptr(struct radeon_device *rdev) 4046 { 4047 u32 wptr, tmp; 4048 4049 if (rdev->wb.enabled) 4050 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); 4051 else 4052 wptr = RREG32(IH_RB_WPTR); 4053 4054 if (wptr & RB_OVERFLOW) { 4055 wptr &= ~RB_OVERFLOW; 4056 /* When a ring buffer overflow happen start parsing interrupt 4057 * from the last not overwritten vector (wptr + 16). Hopefully 4058 * this should allow us to catchup. 4059 */ 4060 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n", 4061 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask); 4062 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; 4063 tmp = RREG32(IH_RB_CNTL); 4064 tmp |= IH_WPTR_OVERFLOW_CLEAR; 4065 WREG32(IH_RB_CNTL, tmp); 4066 } 4067 return (wptr & rdev->ih.ptr_mask); 4068 } 4069 4070 /* r600 IV Ring 4071 * Each IV ring entry is 128 bits: 4072 * [7:0] - interrupt source id 4073 * [31:8] - reserved 4074 * [59:32] - interrupt source data 4075 * [127:60] - reserved 4076 * 4077 * The basic interrupt vector entries 4078 * are decoded as follows: 4079 * src_id src_data description 4080 * 1 0 D1 Vblank 4081 * 1 1 D1 Vline 4082 * 5 0 D2 Vblank 4083 * 5 1 D2 Vline 4084 * 19 0 FP Hot plug detection A 4085 * 19 1 FP Hot plug detection B 4086 * 19 2 DAC A auto-detection 4087 * 19 3 DAC B auto-detection 4088 * 21 4 HDMI block A 4089 * 21 5 HDMI block B 4090 * 176 - CP_INT RB 4091 * 177 - CP_INT IB1 4092 * 178 - CP_INT IB2 4093 * 181 - EOP Interrupt 4094 * 233 - GUI Idle 4095 * 4096 * Note, these are based on r600 and may need to be 4097 * adjusted or added to on newer asics 4098 */ 4099 4100 int r600_irq_process(struct radeon_device *rdev) 4101 { 4102 u32 wptr; 4103 u32 rptr; 4104 u32 src_id, src_data; 4105 u32 ring_index; 4106 bool queue_hotplug = false; 4107 bool queue_hdmi = false; 4108 bool queue_thermal = false; 4109 4110 if (!rdev->ih.enabled || rdev->shutdown) 4111 return IRQ_NONE; 4112 4113 /* No MSIs, need a dummy read to flush PCI DMAs */ 4114 if (!rdev->msi_enabled) 4115 RREG32(IH_RB_WPTR); 4116 4117 wptr = r600_get_ih_wptr(rdev); 4118 4119 restart_ih: 4120 /* is somebody else already processing irqs? */ 4121 if (atomic_xchg(&rdev->ih.lock, 1)) 4122 return IRQ_NONE; 4123 4124 rptr = rdev->ih.rptr; 4125 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 4126 4127 /* Order reading of wptr vs. reading of IH ring data */ 4128 rmb(); 4129 4130 /* display interrupts */ 4131 r600_irq_ack(rdev); 4132 4133 while (rptr != wptr) { 4134 /* wptr/rptr are in bytes! */ 4135 ring_index = rptr / 4; 4136 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 4137 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 4138 4139 switch (src_id) { 4140 case 1: /* D1 vblank/vline */ 4141 switch (src_data) { 4142 case 0: /* D1 vblank */ 4143 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)) 4144 DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n"); 4145 4146 if (rdev->irq.crtc_vblank_int[0]) { 4147 drm_handle_vblank(rdev->ddev, 0); 4148 rdev->pm.vblank_sync = true; 4149 wake_up(&rdev->irq.vblank_queue); 4150 } 4151 if (atomic_read(&rdev->irq.pflip[0])) 4152 radeon_crtc_handle_vblank(rdev, 0); 4153 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT; 4154 DRM_DEBUG("IH: D1 vblank\n"); 4155 4156 break; 4157 case 1: /* D1 vline */ 4158 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)) 4159 DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n"); 4160 4161 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT; 4162 DRM_DEBUG("IH: D1 vline\n"); 4163 4164 break; 4165 default: 4166 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4167 break; 4168 } 4169 break; 4170 case 5: /* D2 vblank/vline */ 4171 switch (src_data) { 4172 case 0: /* D2 vblank */ 4173 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)) 4174 DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n"); 4175 4176 if (rdev->irq.crtc_vblank_int[1]) { 4177 drm_handle_vblank(rdev->ddev, 1); 4178 rdev->pm.vblank_sync = true; 4179 wake_up(&rdev->irq.vblank_queue); 4180 } 4181 if (atomic_read(&rdev->irq.pflip[1])) 4182 radeon_crtc_handle_vblank(rdev, 1); 4183 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT; 4184 DRM_DEBUG("IH: D2 vblank\n"); 4185 4186 break; 4187 case 1: /* D1 vline */ 4188 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)) 4189 DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n"); 4190 4191 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT; 4192 DRM_DEBUG("IH: D2 vline\n"); 4193 4194 break; 4195 default: 4196 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4197 break; 4198 } 4199 break; 4200 case 9: /* D1 pflip */ 4201 DRM_DEBUG("IH: D1 flip\n"); 4202 if (radeon_use_pflipirq > 0) 4203 radeon_crtc_handle_flip(rdev, 0); 4204 break; 4205 case 11: /* D2 pflip */ 4206 DRM_DEBUG("IH: D2 flip\n"); 4207 if (radeon_use_pflipirq > 0) 4208 radeon_crtc_handle_flip(rdev, 1); 4209 break; 4210 case 19: /* HPD/DAC hotplug */ 4211 switch (src_data) { 4212 case 0: 4213 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT)) 4214 DRM_DEBUG("IH: HPD1 - IH event w/o asserted irq bit?\n"); 4215 4216 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT; 4217 queue_hotplug = true; 4218 DRM_DEBUG("IH: HPD1\n"); 4219 break; 4220 case 1: 4221 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT)) 4222 DRM_DEBUG("IH: HPD2 - IH event w/o asserted irq bit?\n"); 4223 4224 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT; 4225 queue_hotplug = true; 4226 DRM_DEBUG("IH: HPD2\n"); 4227 break; 4228 case 4: 4229 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT)) 4230 DRM_DEBUG("IH: HPD3 - IH event w/o asserted irq bit?\n"); 4231 4232 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT; 4233 queue_hotplug = true; 4234 DRM_DEBUG("IH: HPD3\n"); 4235 break; 4236 case 5: 4237 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT)) 4238 DRM_DEBUG("IH: HPD4 - IH event w/o asserted irq bit?\n"); 4239 4240 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT; 4241 queue_hotplug = true; 4242 DRM_DEBUG("IH: HPD4\n"); 4243 break; 4244 case 10: 4245 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT)) 4246 DRM_DEBUG("IH: HPD5 - IH event w/o asserted irq bit?\n"); 4247 4248 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT; 4249 queue_hotplug = true; 4250 DRM_DEBUG("IH: HPD5\n"); 4251 break; 4252 case 12: 4253 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT)) 4254 DRM_DEBUG("IH: HPD6 - IH event w/o asserted irq bit?\n"); 4255 4256 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT; 4257 queue_hotplug = true; 4258 DRM_DEBUG("IH: HPD6\n"); 4259 4260 break; 4261 default: 4262 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4263 break; 4264 } 4265 break; 4266 case 21: /* hdmi */ 4267 switch (src_data) { 4268 case 4: 4269 if (!(rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG)) 4270 DRM_DEBUG("IH: HDMI0 - IH event w/o asserted irq bit?\n"); 4271 4272 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG; 4273 queue_hdmi = true; 4274 DRM_DEBUG("IH: HDMI0\n"); 4275 4276 break; 4277 case 5: 4278 if (!(rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG)) 4279 DRM_DEBUG("IH: HDMI1 - IH event w/o asserted irq bit?\n"); 4280 4281 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG; 4282 queue_hdmi = true; 4283 DRM_DEBUG("IH: HDMI1\n"); 4284 4285 break; 4286 default: 4287 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); 4288 break; 4289 } 4290 break; 4291 case 124: /* UVD */ 4292 DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); 4293 radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); 4294 break; 4295 case 176: /* CP_INT in ring buffer */ 4296 case 177: /* CP_INT in IB1 */ 4297 case 178: /* CP_INT in IB2 */ 4298 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); 4299 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 4300 break; 4301 case 181: /* CP EOP event */ 4302 DRM_DEBUG("IH: CP EOP\n"); 4303 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 4304 break; 4305 case 224: /* DMA trap event */ 4306 DRM_DEBUG("IH: DMA trap\n"); 4307 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX); 4308 break; 4309 case 230: /* thermal low to high */ 4310 DRM_DEBUG("IH: thermal low to high\n"); 4311 rdev->pm.dpm.thermal.high_to_low = false; 4312 queue_thermal = true; 4313 break; 4314 case 231: /* thermal high to low */ 4315 DRM_DEBUG("IH: thermal high to low\n"); 4316 rdev->pm.dpm.thermal.high_to_low = true; 4317 queue_thermal = true; 4318 break; 4319 case 233: /* GUI IDLE */ 4320 DRM_DEBUG("IH: GUI idle\n"); 4321 break; 4322 default: 4323 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4324 break; 4325 } 4326 4327 /* wptr/rptr are in bytes! */ 4328 rptr += 16; 4329 rptr &= rdev->ih.ptr_mask; 4330 WREG32(IH_RB_RPTR, rptr); 4331 } 4332 if (queue_hotplug) 4333 schedule_delayed_work(&rdev->hotplug_work, 0); 4334 if (queue_hdmi) 4335 schedule_work(&rdev->audio_work); 4336 if (queue_thermal && rdev->pm.dpm_enabled) 4337 schedule_work(&rdev->pm.dpm.thermal.work); 4338 rdev->ih.rptr = rptr; 4339 atomic_set(&rdev->ih.lock, 0); 4340 4341 /* make sure wptr hasn't changed while processing */ 4342 wptr = r600_get_ih_wptr(rdev); 4343 if (wptr != rptr) 4344 goto restart_ih; 4345 4346 return IRQ_HANDLED; 4347 } 4348 4349 /* 4350 * Debugfs info 4351 */ 4352 #if defined(CONFIG_DEBUG_FS) 4353 4354 static int r600_debugfs_mc_info(struct seq_file *m, void *data) 4355 { 4356 struct drm_info_node *node = (struct drm_info_node *) m->private; 4357 struct drm_device *dev = node->minor->dev; 4358 struct radeon_device *rdev = dev->dev_private; 4359 4360 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS); 4361 DREG32_SYS(m, rdev, VM_L2_STATUS); 4362 return 0; 4363 } 4364 4365 static struct drm_info_list r600_mc_info_list[] = { 4366 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL}, 4367 }; 4368 #endif 4369 4370 int r600_debugfs_mc_info_init(struct radeon_device *rdev) 4371 { 4372 #if defined(CONFIG_DEBUG_FS) 4373 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list)); 4374 #else 4375 return 0; 4376 #endif 4377 } 4378 4379 /** 4380 * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO 4381 * rdev: radeon device structure 4382 * 4383 * Some R6XX/R7XX don't seem to take into account HDP flushes performed 4384 * through the ring buffer. This leads to corruption in rendering, see 4385 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we 4386 * directly perform the HDP flush by writing the register through MMIO. 4387 */ 4388 void r600_mmio_hdp_flush(struct radeon_device *rdev) 4389 { 4390 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 4391 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL. 4392 * This seems to cause problems on some AGP cards. Just use the old 4393 * method for them. 4394 */ 4395 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 4396 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) { 4397 void __iomem *ptr = (void *)rdev->vram_scratch.ptr; 4398 u32 tmp; 4399 4400 WREG32(HDP_DEBUG1, 0); 4401 tmp = readl((void __iomem *)ptr); 4402 } else 4403 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 4404 } 4405 4406 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes) 4407 { 4408 u32 link_width_cntl, mask; 4409 4410 if (rdev->flags & RADEON_IS_IGP) 4411 return; 4412 4413 if (!(rdev->flags & RADEON_IS_PCIE)) 4414 return; 4415 4416 /* x2 cards have a special sequence */ 4417 if (ASIC_IS_X2(rdev)) 4418 return; 4419 4420 radeon_gui_idle(rdev); 4421 4422 switch (lanes) { 4423 case 0: 4424 mask = RADEON_PCIE_LC_LINK_WIDTH_X0; 4425 break; 4426 case 1: 4427 mask = RADEON_PCIE_LC_LINK_WIDTH_X1; 4428 break; 4429 case 2: 4430 mask = RADEON_PCIE_LC_LINK_WIDTH_X2; 4431 break; 4432 case 4: 4433 mask = RADEON_PCIE_LC_LINK_WIDTH_X4; 4434 break; 4435 case 8: 4436 mask = RADEON_PCIE_LC_LINK_WIDTH_X8; 4437 break; 4438 case 12: 4439 /* not actually supported */ 4440 mask = RADEON_PCIE_LC_LINK_WIDTH_X12; 4441 break; 4442 case 16: 4443 mask = RADEON_PCIE_LC_LINK_WIDTH_X16; 4444 break; 4445 default: 4446 DRM_ERROR("invalid pcie lane request: %d\n", lanes); 4447 return; 4448 } 4449 4450 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 4451 link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK; 4452 link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT; 4453 link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW | 4454 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE); 4455 4456 WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4457 } 4458 4459 int r600_get_pcie_lanes(struct radeon_device *rdev) 4460 { 4461 u32 link_width_cntl; 4462 4463 if (rdev->flags & RADEON_IS_IGP) 4464 return 0; 4465 4466 if (!(rdev->flags & RADEON_IS_PCIE)) 4467 return 0; 4468 4469 /* x2 cards have a special sequence */ 4470 if (ASIC_IS_X2(rdev)) 4471 return 0; 4472 4473 radeon_gui_idle(rdev); 4474 4475 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 4476 4477 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { 4478 case RADEON_PCIE_LC_LINK_WIDTH_X1: 4479 return 1; 4480 case RADEON_PCIE_LC_LINK_WIDTH_X2: 4481 return 2; 4482 case RADEON_PCIE_LC_LINK_WIDTH_X4: 4483 return 4; 4484 case RADEON_PCIE_LC_LINK_WIDTH_X8: 4485 return 8; 4486 case RADEON_PCIE_LC_LINK_WIDTH_X12: 4487 /* not actually supported */ 4488 return 12; 4489 case RADEON_PCIE_LC_LINK_WIDTH_X0: 4490 case RADEON_PCIE_LC_LINK_WIDTH_X16: 4491 default: 4492 return 16; 4493 } 4494 } 4495 4496 static void r600_pcie_gen2_enable(struct radeon_device *rdev) 4497 { 4498 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; 4499 u16 link_cntl2; 4500 4501 if (radeon_pcie_gen2 == 0) 4502 return; 4503 4504 if (rdev->flags & RADEON_IS_IGP) 4505 return; 4506 4507 if (!(rdev->flags & RADEON_IS_PCIE)) 4508 return; 4509 4510 /* x2 cards have a special sequence */ 4511 if (ASIC_IS_X2(rdev)) 4512 return; 4513 4514 /* only RV6xx+ chips are supported */ 4515 if (rdev->family <= CHIP_R600) 4516 return; 4517 4518 if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) && 4519 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT)) 4520 return; 4521 4522 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4523 if (speed_cntl & LC_CURRENT_DATA_RATE) { 4524 DRM_INFO("PCIE gen 2 link speeds already enabled\n"); 4525 return; 4526 } 4527 4528 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n"); 4529 4530 /* 55 nm r6xx asics */ 4531 if ((rdev->family == CHIP_RV670) || 4532 (rdev->family == CHIP_RV620) || 4533 (rdev->family == CHIP_RV635)) { 4534 /* advertise upconfig capability */ 4535 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4536 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 4537 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4538 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4539 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) { 4540 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT; 4541 link_width_cntl &= ~(LC_LINK_WIDTH_MASK | 4542 LC_RECONFIG_ARC_MISSING_ESCAPE); 4543 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN; 4544 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4545 } else { 4546 link_width_cntl |= LC_UPCONFIGURE_DIS; 4547 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4548 } 4549 } 4550 4551 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4552 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) && 4553 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { 4554 4555 /* 55 nm r6xx asics */ 4556 if ((rdev->family == CHIP_RV670) || 4557 (rdev->family == CHIP_RV620) || 4558 (rdev->family == CHIP_RV635)) { 4559 WREG32(MM_CFGREGS_CNTL, 0x8); 4560 link_cntl2 = RREG32(0x4088); 4561 WREG32(MM_CFGREGS_CNTL, 0); 4562 /* not supported yet */ 4563 if (link_cntl2 & SELECTABLE_DEEMPHASIS) 4564 return; 4565 } 4566 4567 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK; 4568 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT); 4569 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK; 4570 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE; 4571 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE; 4572 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4573 4574 tmp = RREG32(0x541c); 4575 WREG32(0x541c, tmp | 0x8); 4576 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN); 4577 link_cntl2 = RREG16(0x4088); 4578 link_cntl2 &= ~TARGET_LINK_SPEED_MASK; 4579 link_cntl2 |= 0x2; 4580 WREG16(0x4088, link_cntl2); 4581 WREG32(MM_CFGREGS_CNTL, 0); 4582 4583 if ((rdev->family == CHIP_RV670) || 4584 (rdev->family == CHIP_RV620) || 4585 (rdev->family == CHIP_RV635)) { 4586 training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL); 4587 training_cntl &= ~LC_POINT_7_PLUS_EN; 4588 WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl); 4589 } else { 4590 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4591 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; 4592 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4593 } 4594 4595 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4596 speed_cntl |= LC_GEN2_EN_STRAP; 4597 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4598 4599 } else { 4600 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4601 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ 4602 if (1) 4603 link_width_cntl |= LC_UPCONFIGURE_DIS; 4604 else 4605 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 4606 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4607 } 4608 } 4609 4610 /** 4611 * r600_get_gpu_clock_counter - return GPU clock counter snapshot 4612 * 4613 * @rdev: radeon_device pointer 4614 * 4615 * Fetches a GPU clock counter snapshot (R6xx-cayman). 4616 * Returns the 64 bit clock counter snapshot. 4617 */ 4618 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev) 4619 { 4620 uint64_t clock; 4621 4622 mutex_lock(&rdev->gpu_clock_mutex); 4623 WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1); 4624 clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) | 4625 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL); 4626 mutex_unlock(&rdev->gpu_clock_mutex); 4627 return clock; 4628 } 4629
Indexes created Mon Oct 27 17:09:47 GMT 2025