1 /* 2 * Copyright 2010 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Alex Deucher 23 */ 24 #include <linux/firmware.h> 25 #include <linux/platform_device.h> 26 #include <linux/slab.h> 27 #include <drm/drmP.h> 28 #include "radeon.h" 29 #include "radeon_asic.h" 30 #include <drm/radeon_drm.h> 31 #include "evergreend.h" 32 #include "atom.h" 33 #include "avivod.h" 34 #include "evergreen_reg.h" 35 #include "evergreen_blit_shaders.h" 36 37 #define EVERGREEN_PFP_UCODE_SIZE 1120 38 #define EVERGREEN_PM4_UCODE_SIZE 1376 39 40 static const u32 crtc_offsets[6] = 41 { 42 EVERGREEN_CRTC0_REGISTER_OFFSET, 43 EVERGREEN_CRTC1_REGISTER_OFFSET, 44 EVERGREEN_CRTC2_REGISTER_OFFSET, 45 EVERGREEN_CRTC3_REGISTER_OFFSET, 46 EVERGREEN_CRTC4_REGISTER_OFFSET, 47 EVERGREEN_CRTC5_REGISTER_OFFSET 48 }; 49 50 static void evergreen_gpu_init(struct radeon_device *rdev); 51 void evergreen_fini(struct radeon_device *rdev); 52 void evergreen_pcie_gen2_enable(struct radeon_device *rdev); 53 extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev, 54 int ring, u32 cp_int_cntl); 55 56 void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw, 57 unsigned *bankh, unsigned *mtaspect, 58 unsigned *tile_split) 59 { 60 *bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK; 61 *bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK; 62 *mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK; 63 *tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK; 64 switch (*bankw) { 65 default: 66 case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break; 67 case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break; 68 case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break; 69 case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break; 70 } 71 switch (*bankh) { 72 default: 73 case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break; 74 case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break; 75 case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break; 76 case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break; 77 } 78 switch (*mtaspect) { 79 default: 80 case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break; 81 case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break; 82 case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break; 83 case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break; 84 } 85 } 86 87 void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) 88 { 89 u16 ctl, v; 90 int err; 91 92 err = pcie_capability_read_word(rdev->pdev, PCI_EXP_DEVCTL, &ctl); 93 if (err) 94 return; 95 96 v = (ctl & PCI_EXP_DEVCTL_READRQ) >> 12; 97 98 /* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it 99 * to avoid hangs or perfomance issues 100 */ 101 if ((v == 0) || (v == 6) || (v == 7)) { 102 ctl &= ~PCI_EXP_DEVCTL_READRQ; 103 ctl |= (2 << 12); 104 pcie_capability_write_word(rdev->pdev, PCI_EXP_DEVCTL, ctl); 105 } 106 } 107 108 /** 109 * dce4_wait_for_vblank - vblank wait asic callback. 110 * 111 * @rdev: radeon_device pointer 112 * @crtc: crtc to wait for vblank on 113 * 114 * Wait for vblank on the requested crtc (evergreen+). 115 */ 116 void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc) 117 { 118 int i; 119 120 if (crtc >= rdev->num_crtc) 121 return; 122 123 if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN) { 124 for (i = 0; i < rdev->usec_timeout; i++) { 125 if (!(RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)) 126 break; 127 udelay(1); 128 } 129 for (i = 0; i < rdev->usec_timeout; i++) { 130 if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK) 131 break; 132 udelay(1); 133 } 134 } 135 } 136 137 /** 138 * radeon_irq_kms_pflip_irq_get - pre-pageflip callback. 139 * 140 * @rdev: radeon_device pointer 141 * @crtc: crtc to prepare for pageflip on 142 * 143 * Pre-pageflip callback (evergreen+). 144 * Enables the pageflip irq (vblank irq). 145 */ 146 void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc) 147 { 148 /* enable the pflip int */ 149 radeon_irq_kms_pflip_irq_get(rdev, crtc); 150 } 151 152 /** 153 * evergreen_post_page_flip - pos-pageflip callback. 154 * 155 * @rdev: radeon_device pointer 156 * @crtc: crtc to cleanup pageflip on 157 * 158 * Post-pageflip callback (evergreen+). 159 * Disables the pageflip irq (vblank irq). 160 */ 161 void evergreen_post_page_flip(struct radeon_device *rdev, int crtc) 162 { 163 /* disable the pflip int */ 164 radeon_irq_kms_pflip_irq_put(rdev, crtc); 165 } 166 167 /** 168 * evergreen_page_flip - pageflip callback. 169 * 170 * @rdev: radeon_device pointer 171 * @crtc_id: crtc to cleanup pageflip on 172 * @crtc_base: new address of the crtc (GPU MC address) 173 * 174 * Does the actual pageflip (evergreen+). 175 * During vblank we take the crtc lock and wait for the update_pending 176 * bit to go high, when it does, we release the lock, and allow the 177 * double buffered update to take place. 178 * Returns the current update pending status. 179 */ 180 u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) 181 { 182 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 183 u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset); 184 int i; 185 186 /* Lock the graphics update lock */ 187 tmp |= EVERGREEN_GRPH_UPDATE_LOCK; 188 WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); 189 190 /* update the scanout addresses */ 191 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 192 upper_32_bits(crtc_base)); 193 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 194 (u32)crtc_base); 195 196 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 197 upper_32_bits(crtc_base)); 198 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 199 (u32)crtc_base); 200 201 /* Wait for update_pending to go high. */ 202 for (i = 0; i < rdev->usec_timeout; i++) { 203 if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) 204 break; 205 udelay(1); 206 } 207 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); 208 209 /* Unlock the lock, so double-buffering can take place inside vblank */ 210 tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK; 211 WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); 212 213 /* Return current update_pending status: */ 214 return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING; 215 } 216 217 /* get temperature in millidegrees */ 218 int evergreen_get_temp(struct radeon_device *rdev) 219 { 220 u32 temp, toffset; 221 int actual_temp = 0; 222 223 if (rdev->family == CHIP_JUNIPER) { 224 toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >> 225 TOFFSET_SHIFT; 226 temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >> 227 TS0_ADC_DOUT_SHIFT; 228 229 if (toffset & 0x100) 230 actual_temp = temp / 2 - (0x200 - toffset); 231 else 232 actual_temp = temp / 2 + toffset; 233 234 actual_temp = actual_temp * 1000; 235 236 } else { 237 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >> 238 ASIC_T_SHIFT; 239 240 if (temp & 0x400) 241 actual_temp = -256; 242 else if (temp & 0x200) 243 actual_temp = 255; 244 else if (temp & 0x100) { 245 actual_temp = temp & 0x1ff; 246 actual_temp |= ~0x1ff; 247 } else 248 actual_temp = temp & 0xff; 249 250 actual_temp = (actual_temp * 1000) / 2; 251 } 252 253 return actual_temp; 254 } 255 256 int sumo_get_temp(struct radeon_device *rdev) 257 { 258 u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff; 259 int actual_temp = temp - 49; 260 261 return actual_temp * 1000; 262 } 263 264 /** 265 * sumo_pm_init_profile - Initialize power profiles callback. 266 * 267 * @rdev: radeon_device pointer 268 * 269 * Initialize the power states used in profile mode 270 * (sumo, trinity, SI). 271 * Used for profile mode only. 272 */ 273 void sumo_pm_init_profile(struct radeon_device *rdev) 274 { 275 int idx; 276 277 /* default */ 278 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 279 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 280 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 281 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 282 283 /* low,mid sh/mh */ 284 if (rdev->flags & RADEON_IS_MOBILITY) 285 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 286 else 287 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 288 289 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx; 290 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx; 291 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 292 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 293 294 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx; 295 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx; 296 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 297 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 298 299 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx; 300 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx; 301 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 302 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 303 304 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx; 305 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx; 306 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 307 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 308 309 /* high sh/mh */ 310 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 311 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx; 312 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx; 313 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 314 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 315 rdev->pm.power_state[idx].num_clock_modes - 1; 316 317 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx; 318 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx; 319 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 320 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 321 rdev->pm.power_state[idx].num_clock_modes - 1; 322 } 323 324 /** 325 * btc_pm_init_profile - Initialize power profiles callback. 326 * 327 * @rdev: radeon_device pointer 328 * 329 * Initialize the power states used in profile mode 330 * (BTC, cayman). 331 * Used for profile mode only. 332 */ 333 void btc_pm_init_profile(struct radeon_device *rdev) 334 { 335 int idx; 336 337 /* default */ 338 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 339 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 340 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 341 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 342 /* starting with BTC, there is one state that is used for both 343 * MH and SH. Difference is that we always use the high clock index for 344 * mclk. 345 */ 346 if (rdev->flags & RADEON_IS_MOBILITY) 347 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 348 else 349 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 350 /* low sh */ 351 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx; 352 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx; 353 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 354 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 355 /* mid sh */ 356 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx; 357 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx; 358 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 359 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 360 /* high sh */ 361 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx; 362 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx; 363 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 364 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 365 /* low mh */ 366 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx; 367 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx; 368 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 369 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 370 /* mid mh */ 371 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx; 372 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx; 373 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 374 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 375 /* high mh */ 376 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx; 377 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx; 378 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 379 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 380 } 381 382 /** 383 * evergreen_pm_misc - set additional pm hw parameters callback. 384 * 385 * @rdev: radeon_device pointer 386 * 387 * Set non-clock parameters associated with a power state 388 * (voltage, etc.) (evergreen+). 389 */ 390 void evergreen_pm_misc(struct radeon_device *rdev) 391 { 392 int req_ps_idx = rdev->pm.requested_power_state_index; 393 int req_cm_idx = rdev->pm.requested_clock_mode_index; 394 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; 395 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; 396 397 if (voltage->type == VOLTAGE_SW) { 398 /* 0xff01 is a flag rather then an actual voltage */ 399 if (voltage->voltage == 0xff01) 400 return; 401 if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) { 402 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); 403 rdev->pm.current_vddc = voltage->voltage; 404 DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage); 405 } 406 /* 0xff01 is a flag rather then an actual voltage */ 407 if (voltage->vddci == 0xff01) 408 return; 409 if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) { 410 radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI); 411 rdev->pm.current_vddci = voltage->vddci; 412 DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci); 413 } 414 } 415 } 416 417 /** 418 * evergreen_pm_prepare - pre-power state change callback. 419 * 420 * @rdev: radeon_device pointer 421 * 422 * Prepare for a power state change (evergreen+). 423 */ 424 void evergreen_pm_prepare(struct radeon_device *rdev) 425 { 426 struct drm_device *ddev = rdev->ddev; 427 struct drm_crtc *crtc; 428 struct radeon_crtc *radeon_crtc; 429 u32 tmp; 430 431 /* disable any active CRTCs */ 432 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 433 radeon_crtc = to_radeon_crtc(crtc); 434 if (radeon_crtc->enabled) { 435 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset); 436 tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; 437 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); 438 } 439 } 440 } 441 442 /** 443 * evergreen_pm_finish - post-power state change callback. 444 * 445 * @rdev: radeon_device pointer 446 * 447 * Clean up after a power state change (evergreen+). 448 */ 449 void evergreen_pm_finish(struct radeon_device *rdev) 450 { 451 struct drm_device *ddev = rdev->ddev; 452 struct drm_crtc *crtc; 453 struct radeon_crtc *radeon_crtc; 454 u32 tmp; 455 456 /* enable any active CRTCs */ 457 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 458 radeon_crtc = to_radeon_crtc(crtc); 459 if (radeon_crtc->enabled) { 460 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset); 461 tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; 462 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); 463 } 464 } 465 } 466 467 /** 468 * evergreen_hpd_sense - hpd sense callback. 469 * 470 * @rdev: radeon_device pointer 471 * @hpd: hpd (hotplug detect) pin 472 * 473 * Checks if a digital monitor is connected (evergreen+). 474 * Returns true if connected, false if not connected. 475 */ 476 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 477 { 478 bool connected = false; 479 480 switch (hpd) { 481 case RADEON_HPD_1: 482 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) 483 connected = true; 484 break; 485 case RADEON_HPD_2: 486 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) 487 connected = true; 488 break; 489 case RADEON_HPD_3: 490 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) 491 connected = true; 492 break; 493 case RADEON_HPD_4: 494 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) 495 connected = true; 496 break; 497 case RADEON_HPD_5: 498 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) 499 connected = true; 500 break; 501 case RADEON_HPD_6: 502 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) 503 connected = true; 504 break; 505 default: 506 break; 507 } 508 509 return connected; 510 } 511 512 /** 513 * evergreen_hpd_set_polarity - hpd set polarity callback. 514 * 515 * @rdev: radeon_device pointer 516 * @hpd: hpd (hotplug detect) pin 517 * 518 * Set the polarity of the hpd pin (evergreen+). 519 */ 520 void evergreen_hpd_set_polarity(struct radeon_device *rdev, 521 enum radeon_hpd_id hpd) 522 { 523 u32 tmp; 524 bool connected = evergreen_hpd_sense(rdev, hpd); 525 526 switch (hpd) { 527 case RADEON_HPD_1: 528 tmp = RREG32(DC_HPD1_INT_CONTROL); 529 if (connected) 530 tmp &= ~DC_HPDx_INT_POLARITY; 531 else 532 tmp |= DC_HPDx_INT_POLARITY; 533 WREG32(DC_HPD1_INT_CONTROL, tmp); 534 break; 535 case RADEON_HPD_2: 536 tmp = RREG32(DC_HPD2_INT_CONTROL); 537 if (connected) 538 tmp &= ~DC_HPDx_INT_POLARITY; 539 else 540 tmp |= DC_HPDx_INT_POLARITY; 541 WREG32(DC_HPD2_INT_CONTROL, tmp); 542 break; 543 case RADEON_HPD_3: 544 tmp = RREG32(DC_HPD3_INT_CONTROL); 545 if (connected) 546 tmp &= ~DC_HPDx_INT_POLARITY; 547 else 548 tmp |= DC_HPDx_INT_POLARITY; 549 WREG32(DC_HPD3_INT_CONTROL, tmp); 550 break; 551 case RADEON_HPD_4: 552 tmp = RREG32(DC_HPD4_INT_CONTROL); 553 if (connected) 554 tmp &= ~DC_HPDx_INT_POLARITY; 555 else 556 tmp |= DC_HPDx_INT_POLARITY; 557 WREG32(DC_HPD4_INT_CONTROL, tmp); 558 break; 559 case RADEON_HPD_5: 560 tmp = RREG32(DC_HPD5_INT_CONTROL); 561 if (connected) 562 tmp &= ~DC_HPDx_INT_POLARITY; 563 else 564 tmp |= DC_HPDx_INT_POLARITY; 565 WREG32(DC_HPD5_INT_CONTROL, tmp); 566 break; 567 case RADEON_HPD_6: 568 tmp = RREG32(DC_HPD6_INT_CONTROL); 569 if (connected) 570 tmp &= ~DC_HPDx_INT_POLARITY; 571 else 572 tmp |= DC_HPDx_INT_POLARITY; 573 WREG32(DC_HPD6_INT_CONTROL, tmp); 574 break; 575 default: 576 break; 577 } 578 } 579 580 /** 581 * evergreen_hpd_init - hpd setup callback. 582 * 583 * @rdev: radeon_device pointer 584 * 585 * Setup the hpd pins used by the card (evergreen+). 586 * Enable the pin, set the polarity, and enable the hpd interrupts. 587 */ 588 void evergreen_hpd_init(struct radeon_device *rdev) 589 { 590 struct drm_device *dev = rdev->ddev; 591 struct drm_connector *connector; 592 unsigned enabled = 0; 593 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | 594 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN; 595 596 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 597 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 598 switch (radeon_connector->hpd.hpd) { 599 case RADEON_HPD_1: 600 WREG32(DC_HPD1_CONTROL, tmp); 601 break; 602 case RADEON_HPD_2: 603 WREG32(DC_HPD2_CONTROL, tmp); 604 break; 605 case RADEON_HPD_3: 606 WREG32(DC_HPD3_CONTROL, tmp); 607 break; 608 case RADEON_HPD_4: 609 WREG32(DC_HPD4_CONTROL, tmp); 610 break; 611 case RADEON_HPD_5: 612 WREG32(DC_HPD5_CONTROL, tmp); 613 break; 614 case RADEON_HPD_6: 615 WREG32(DC_HPD6_CONTROL, tmp); 616 break; 617 default: 618 break; 619 } 620 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 621 enabled |= 1 << radeon_connector->hpd.hpd; 622 } 623 radeon_irq_kms_enable_hpd(rdev, enabled); 624 } 625 626 /** 627 * evergreen_hpd_fini - hpd tear down callback. 628 * 629 * @rdev: radeon_device pointer 630 * 631 * Tear down the hpd pins used by the card (evergreen+). 632 * Disable the hpd interrupts. 633 */ 634 void evergreen_hpd_fini(struct radeon_device *rdev) 635 { 636 struct drm_device *dev = rdev->ddev; 637 struct drm_connector *connector; 638 unsigned disabled = 0; 639 640 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 641 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 642 switch (radeon_connector->hpd.hpd) { 643 case RADEON_HPD_1: 644 WREG32(DC_HPD1_CONTROL, 0); 645 break; 646 case RADEON_HPD_2: 647 WREG32(DC_HPD2_CONTROL, 0); 648 break; 649 case RADEON_HPD_3: 650 WREG32(DC_HPD3_CONTROL, 0); 651 break; 652 case RADEON_HPD_4: 653 WREG32(DC_HPD4_CONTROL, 0); 654 break; 655 case RADEON_HPD_5: 656 WREG32(DC_HPD5_CONTROL, 0); 657 break; 658 case RADEON_HPD_6: 659 WREG32(DC_HPD6_CONTROL, 0); 660 break; 661 default: 662 break; 663 } 664 disabled |= 1 << radeon_connector->hpd.hpd; 665 } 666 radeon_irq_kms_disable_hpd(rdev, disabled); 667 } 668 669 /* watermark setup */ 670 671 static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev, 672 struct radeon_crtc *radeon_crtc, 673 struct drm_display_mode *mode, 674 struct drm_display_mode *other_mode) 675 { 676 u32 tmp; 677 /* 678 * Line Buffer Setup 679 * There are 3 line buffers, each one shared by 2 display controllers. 680 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between 681 * the display controllers. The paritioning is done via one of four 682 * preset allocations specified in bits 2:0: 683 * first display controller 684 * 0 - first half of lb (3840 * 2) 685 * 1 - first 3/4 of lb (5760 * 2) 686 * 2 - whole lb (7680 * 2), other crtc must be disabled 687 * 3 - first 1/4 of lb (1920 * 2) 688 * second display controller 689 * 4 - second half of lb (3840 * 2) 690 * 5 - second 3/4 of lb (5760 * 2) 691 * 6 - whole lb (7680 * 2), other crtc must be disabled 692 * 7 - last 1/4 of lb (1920 * 2) 693 */ 694 /* this can get tricky if we have two large displays on a paired group 695 * of crtcs. Ideally for multiple large displays we'd assign them to 696 * non-linked crtcs for maximum line buffer allocation. 697 */ 698 if (radeon_crtc->base.enabled && mode) { 699 if (other_mode) 700 tmp = 0; /* 1/2 */ 701 else 702 tmp = 2; /* whole */ 703 } else 704 tmp = 0; 705 706 /* second controller of the pair uses second half of the lb */ 707 if (radeon_crtc->crtc_id % 2) 708 tmp += 4; 709 WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp); 710 711 if (radeon_crtc->base.enabled && mode) { 712 switch (tmp) { 713 case 0: 714 case 4: 715 default: 716 if (ASIC_IS_DCE5(rdev)) 717 return 4096 * 2; 718 else 719 return 3840 * 2; 720 case 1: 721 case 5: 722 if (ASIC_IS_DCE5(rdev)) 723 return 6144 * 2; 724 else 725 return 5760 * 2; 726 case 2: 727 case 6: 728 if (ASIC_IS_DCE5(rdev)) 729 return 8192 * 2; 730 else 731 return 7680 * 2; 732 case 3: 733 case 7: 734 if (ASIC_IS_DCE5(rdev)) 735 return 2048 * 2; 736 else 737 return 1920 * 2; 738 } 739 } 740 741 /* controller not enabled, so no lb used */ 742 return 0; 743 } 744 745 u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev) 746 { 747 u32 tmp = RREG32(MC_SHARED_CHMAP); 748 749 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 750 case 0: 751 default: 752 return 1; 753 case 1: 754 return 2; 755 case 2: 756 return 4; 757 case 3: 758 return 8; 759 } 760 } 761 762 struct evergreen_wm_params { 763 u32 dram_channels; /* number of dram channels */ 764 u32 yclk; /* bandwidth per dram data pin in kHz */ 765 u32 sclk; /* engine clock in kHz */ 766 u32 disp_clk; /* display clock in kHz */ 767 u32 src_width; /* viewport width */ 768 u32 active_time; /* active display time in ns */ 769 u32 blank_time; /* blank time in ns */ 770 bool interlaced; /* mode is interlaced */ 771 fixed20_12 vsc; /* vertical scale ratio */ 772 u32 num_heads; /* number of active crtcs */ 773 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 774 u32 lb_size; /* line buffer allocated to pipe */ 775 u32 vtaps; /* vertical scaler taps */ 776 }; 777 778 static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm) 779 { 780 /* Calculate DRAM Bandwidth and the part allocated to display. */ 781 fixed20_12 dram_efficiency; /* 0.7 */ 782 fixed20_12 yclk, dram_channels, bandwidth; 783 fixed20_12 a; 784 785 a.full = dfixed_const(1000); 786 yclk.full = dfixed_const(wm->yclk); 787 yclk.full = dfixed_div(yclk, a); 788 dram_channels.full = dfixed_const(wm->dram_channels * 4); 789 a.full = dfixed_const(10); 790 dram_efficiency.full = dfixed_const(7); 791 dram_efficiency.full = dfixed_div(dram_efficiency, a); 792 bandwidth.full = dfixed_mul(dram_channels, yclk); 793 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 794 795 return dfixed_trunc(bandwidth); 796 } 797 798 static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm) 799 { 800 /* Calculate DRAM Bandwidth and the part allocated to display. */ 801 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 802 fixed20_12 yclk, dram_channels, bandwidth; 803 fixed20_12 a; 804 805 a.full = dfixed_const(1000); 806 yclk.full = dfixed_const(wm->yclk); 807 yclk.full = dfixed_div(yclk, a); 808 dram_channels.full = dfixed_const(wm->dram_channels * 4); 809 a.full = dfixed_const(10); 810 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 811 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 812 bandwidth.full = dfixed_mul(dram_channels, yclk); 813 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 814 815 return dfixed_trunc(bandwidth); 816 } 817 818 static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm) 819 { 820 /* Calculate the display Data return Bandwidth */ 821 fixed20_12 return_efficiency; /* 0.8 */ 822 fixed20_12 sclk, bandwidth; 823 fixed20_12 a; 824 825 a.full = dfixed_const(1000); 826 sclk.full = dfixed_const(wm->sclk); 827 sclk.full = dfixed_div(sclk, a); 828 a.full = dfixed_const(10); 829 return_efficiency.full = dfixed_const(8); 830 return_efficiency.full = dfixed_div(return_efficiency, a); 831 a.full = dfixed_const(32); 832 bandwidth.full = dfixed_mul(a, sclk); 833 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 834 835 return dfixed_trunc(bandwidth); 836 } 837 838 static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm) 839 { 840 /* Calculate the DMIF Request Bandwidth */ 841 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 842 fixed20_12 disp_clk, bandwidth; 843 fixed20_12 a; 844 845 a.full = dfixed_const(1000); 846 disp_clk.full = dfixed_const(wm->disp_clk); 847 disp_clk.full = dfixed_div(disp_clk, a); 848 a.full = dfixed_const(10); 849 disp_clk_request_efficiency.full = dfixed_const(8); 850 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 851 a.full = dfixed_const(32); 852 bandwidth.full = dfixed_mul(a, disp_clk); 853 bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency); 854 855 return dfixed_trunc(bandwidth); 856 } 857 858 static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm) 859 { 860 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 861 u32 dram_bandwidth = evergreen_dram_bandwidth(wm); 862 u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm); 863 u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm); 864 865 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 866 } 867 868 static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm) 869 { 870 /* Calculate the display mode Average Bandwidth 871 * DisplayMode should contain the source and destination dimensions, 872 * timing, etc. 873 */ 874 fixed20_12 bpp; 875 fixed20_12 line_time; 876 fixed20_12 src_width; 877 fixed20_12 bandwidth; 878 fixed20_12 a; 879 880 a.full = dfixed_const(1000); 881 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 882 line_time.full = dfixed_div(line_time, a); 883 bpp.full = dfixed_const(wm->bytes_per_pixel); 884 src_width.full = dfixed_const(wm->src_width); 885 bandwidth.full = dfixed_mul(src_width, bpp); 886 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 887 bandwidth.full = dfixed_div(bandwidth, line_time); 888 889 return dfixed_trunc(bandwidth); 890 } 891 892 static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm) 893 { 894 /* First calcualte the latency in ns */ 895 u32 mc_latency = 2000; /* 2000 ns. */ 896 u32 available_bandwidth = evergreen_available_bandwidth(wm); 897 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 898 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 899 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 900 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 901 (wm->num_heads * cursor_line_pair_return_time); 902 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 903 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 904 fixed20_12 a, b, c; 905 906 if (wm->num_heads == 0) 907 return 0; 908 909 a.full = dfixed_const(2); 910 b.full = dfixed_const(1); 911 if ((wm->vsc.full > a.full) || 912 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 913 (wm->vtaps >= 5) || 914 ((wm->vsc.full >= a.full) && wm->interlaced)) 915 max_src_lines_per_dst_line = 4; 916 else 917 max_src_lines_per_dst_line = 2; 918 919 a.full = dfixed_const(available_bandwidth); 920 b.full = dfixed_const(wm->num_heads); 921 a.full = dfixed_div(a, b); 922 923 b.full = dfixed_const(1000); 924 c.full = dfixed_const(wm->disp_clk); 925 b.full = dfixed_div(c, b); 926 c.full = dfixed_const(wm->bytes_per_pixel); 927 b.full = dfixed_mul(b, c); 928 929 lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b)); 930 931 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 932 b.full = dfixed_const(1000); 933 c.full = dfixed_const(lb_fill_bw); 934 b.full = dfixed_div(c, b); 935 a.full = dfixed_div(a, b); 936 line_fill_time = dfixed_trunc(a); 937 938 if (line_fill_time < wm->active_time) 939 return latency; 940 else 941 return latency + (line_fill_time - wm->active_time); 942 943 } 944 945 static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm) 946 { 947 if (evergreen_average_bandwidth(wm) <= 948 (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads)) 949 return true; 950 else 951 return false; 952 }; 953 954 static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm) 955 { 956 if (evergreen_average_bandwidth(wm) <= 957 (evergreen_available_bandwidth(wm) / wm->num_heads)) 958 return true; 959 else 960 return false; 961 }; 962 963 static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm) 964 { 965 u32 lb_partitions = wm->lb_size / wm->src_width; 966 u32 line_time = wm->active_time + wm->blank_time; 967 u32 latency_tolerant_lines; 968 u32 latency_hiding; 969 fixed20_12 a; 970 971 a.full = dfixed_const(1); 972 if (wm->vsc.full > a.full) 973 latency_tolerant_lines = 1; 974 else { 975 if (lb_partitions <= (wm->vtaps + 1)) 976 latency_tolerant_lines = 1; 977 else 978 latency_tolerant_lines = 2; 979 } 980 981 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 982 983 if (evergreen_latency_watermark(wm) <= latency_hiding) 984 return true; 985 else 986 return false; 987 } 988 989 static void evergreen_program_watermarks(struct radeon_device *rdev, 990 struct radeon_crtc *radeon_crtc, 991 u32 lb_size, u32 num_heads) 992 { 993 struct drm_display_mode *mode = &radeon_crtc->base.mode; 994 struct evergreen_wm_params wm; 995 u32 pixel_period; 996 u32 line_time = 0; 997 u32 latency_watermark_a = 0, latency_watermark_b = 0; 998 u32 priority_a_mark = 0, priority_b_mark = 0; 999 u32 priority_a_cnt = PRIORITY_OFF; 1000 u32 priority_b_cnt = PRIORITY_OFF; 1001 u32 pipe_offset = radeon_crtc->crtc_id * 16; 1002 u32 tmp, arb_control3; 1003 fixed20_12 a, b, c; 1004 1005 if (radeon_crtc->base.enabled && num_heads && mode) { 1006 pixel_period = 1000000 / (u32)mode->clock; 1007 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535); 1008 priority_a_cnt = 0; 1009 priority_b_cnt = 0; 1010 1011 wm.yclk = rdev->pm.current_mclk * 10; 1012 wm.sclk = rdev->pm.current_sclk * 10; 1013 wm.disp_clk = mode->clock; 1014 wm.src_width = mode->crtc_hdisplay; 1015 wm.active_time = mode->crtc_hdisplay * pixel_period; 1016 wm.blank_time = line_time - wm.active_time; 1017 wm.interlaced = false; 1018 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1019 wm.interlaced = true; 1020 wm.vsc = radeon_crtc->vsc; 1021 wm.vtaps = 1; 1022 if (radeon_crtc->rmx_type != RMX_OFF) 1023 wm.vtaps = 2; 1024 wm.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1025 wm.lb_size = lb_size; 1026 wm.dram_channels = evergreen_get_number_of_dram_channels(rdev); 1027 wm.num_heads = num_heads; 1028 1029 /* set for high clocks */ 1030 latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535); 1031 /* set for low clocks */ 1032 /* wm.yclk = low clk; wm.sclk = low clk */ 1033 latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535); 1034 1035 /* possibly force display priority to high */ 1036 /* should really do this at mode validation time... */ 1037 if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) || 1038 !evergreen_average_bandwidth_vs_available_bandwidth(&wm) || 1039 !evergreen_check_latency_hiding(&wm) || 1040 (rdev->disp_priority == 2)) { 1041 DRM_DEBUG_KMS("force priority to high\n"); 1042 priority_a_cnt |= PRIORITY_ALWAYS_ON; 1043 priority_b_cnt |= PRIORITY_ALWAYS_ON; 1044 } 1045 1046 a.full = dfixed_const(1000); 1047 b.full = dfixed_const(mode->clock); 1048 b.full = dfixed_div(b, a); 1049 c.full = dfixed_const(latency_watermark_a); 1050 c.full = dfixed_mul(c, b); 1051 c.full = dfixed_mul(c, radeon_crtc->hsc); 1052 c.full = dfixed_div(c, a); 1053 a.full = dfixed_const(16); 1054 c.full = dfixed_div(c, a); 1055 priority_a_mark = dfixed_trunc(c); 1056 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK; 1057 1058 a.full = dfixed_const(1000); 1059 b.full = dfixed_const(mode->clock); 1060 b.full = dfixed_div(b, a); 1061 c.full = dfixed_const(latency_watermark_b); 1062 c.full = dfixed_mul(c, b); 1063 c.full = dfixed_mul(c, radeon_crtc->hsc); 1064 c.full = dfixed_div(c, a); 1065 a.full = dfixed_const(16); 1066 c.full = dfixed_div(c, a); 1067 priority_b_mark = dfixed_trunc(c); 1068 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK; 1069 } 1070 1071 /* select wm A */ 1072 arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset); 1073 tmp = arb_control3; 1074 tmp &= ~LATENCY_WATERMARK_MASK(3); 1075 tmp |= LATENCY_WATERMARK_MASK(1); 1076 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp); 1077 WREG32(PIPE0_LATENCY_CONTROL + pipe_offset, 1078 (LATENCY_LOW_WATERMARK(latency_watermark_a) | 1079 LATENCY_HIGH_WATERMARK(line_time))); 1080 /* select wm B */ 1081 tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset); 1082 tmp &= ~LATENCY_WATERMARK_MASK(3); 1083 tmp |= LATENCY_WATERMARK_MASK(2); 1084 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp); 1085 WREG32(PIPE0_LATENCY_CONTROL + pipe_offset, 1086 (LATENCY_LOW_WATERMARK(latency_watermark_b) | 1087 LATENCY_HIGH_WATERMARK(line_time))); 1088 /* restore original selection */ 1089 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3); 1090 1091 /* write the priority marks */ 1092 WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt); 1093 WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt); 1094 1095 } 1096 1097 /** 1098 * evergreen_bandwidth_update - update display watermarks callback. 1099 * 1100 * @rdev: radeon_device pointer 1101 * 1102 * Update the display watermarks based on the requested mode(s) 1103 * (evergreen+). 1104 */ 1105 void evergreen_bandwidth_update(struct radeon_device *rdev) 1106 { 1107 struct drm_display_mode *mode0 = NULL; 1108 struct drm_display_mode *mode1 = NULL; 1109 u32 num_heads = 0, lb_size; 1110 int i; 1111 1112 radeon_update_display_priority(rdev); 1113 1114 for (i = 0; i < rdev->num_crtc; i++) { 1115 if (rdev->mode_info.crtcs[i]->base.enabled) 1116 num_heads++; 1117 } 1118 for (i = 0; i < rdev->num_crtc; i += 2) { 1119 mode0 = &rdev->mode_info.crtcs[i]->base.mode; 1120 mode1 = &rdev->mode_info.crtcs[i+1]->base.mode; 1121 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1); 1122 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads); 1123 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0); 1124 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads); 1125 } 1126 } 1127 1128 /** 1129 * evergreen_mc_wait_for_idle - wait for MC idle callback. 1130 * 1131 * @rdev: radeon_device pointer 1132 * 1133 * Wait for the MC (memory controller) to be idle. 1134 * (evergreen+). 1135 * Returns 0 if the MC is idle, -1 if not. 1136 */ 1137 int evergreen_mc_wait_for_idle(struct radeon_device *rdev) 1138 { 1139 unsigned i; 1140 u32 tmp; 1141 1142 for (i = 0; i < rdev->usec_timeout; i++) { 1143 /* read MC_STATUS */ 1144 tmp = RREG32(SRBM_STATUS) & 0x1F00; 1145 if (!tmp) 1146 return 0; 1147 udelay(1); 1148 } 1149 return -1; 1150 } 1151 1152 /* 1153 * GART 1154 */ 1155 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev) 1156 { 1157 unsigned i; 1158 u32 tmp; 1159 1160 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 1161 1162 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); 1163 for (i = 0; i < rdev->usec_timeout; i++) { 1164 /* read MC_STATUS */ 1165 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); 1166 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; 1167 if (tmp == 2) { 1168 printk(KERN_WARNING "[drm] r600 flush TLB failed\n"); 1169 return; 1170 } 1171 if (tmp) { 1172 return; 1173 } 1174 udelay(1); 1175 } 1176 } 1177 1178 static int evergreen_pcie_gart_enable(struct radeon_device *rdev) 1179 { 1180 u32 tmp; 1181 int r; 1182 1183 if (rdev->gart.robj == NULL) { 1184 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 1185 return -EINVAL; 1186 } 1187 r = radeon_gart_table_vram_pin(rdev); 1188 if (r) 1189 return r; 1190 radeon_gart_restore(rdev); 1191 /* Setup L2 cache */ 1192 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1193 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1194 EFFECTIVE_L2_QUEUE_SIZE(7)); 1195 WREG32(VM_L2_CNTL2, 0); 1196 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); 1197 /* Setup TLB control */ 1198 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1199 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1200 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | 1201 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); 1202 if (rdev->flags & RADEON_IS_IGP) { 1203 WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp); 1204 WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp); 1205 WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp); 1206 } else { 1207 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); 1208 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); 1209 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); 1210 if ((rdev->family == CHIP_JUNIPER) || 1211 (rdev->family == CHIP_CYPRESS) || 1212 (rdev->family == CHIP_HEMLOCK) || 1213 (rdev->family == CHIP_BARTS)) 1214 WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp); 1215 } 1216 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); 1217 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); 1218 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); 1219 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); 1220 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 1221 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 1222 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 1223 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 1224 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 1225 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 1226 (u32)(rdev->dummy_page.addr >> 12)); 1227 WREG32(VM_CONTEXT1_CNTL, 0); 1228 1229 evergreen_pcie_gart_tlb_flush(rdev); 1230 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 1231 (unsigned)(rdev->mc.gtt_size >> 20), 1232 (unsigned long long)rdev->gart.table_addr); 1233 rdev->gart.ready = true; 1234 return 0; 1235 } 1236 1237 static void evergreen_pcie_gart_disable(struct radeon_device *rdev) 1238 { 1239 u32 tmp; 1240 1241 /* Disable all tables */ 1242 WREG32(VM_CONTEXT0_CNTL, 0); 1243 WREG32(VM_CONTEXT1_CNTL, 0); 1244 1245 /* Setup L2 cache */ 1246 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | 1247 EFFECTIVE_L2_QUEUE_SIZE(7)); 1248 WREG32(VM_L2_CNTL2, 0); 1249 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); 1250 /* Setup TLB control */ 1251 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); 1252 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); 1253 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); 1254 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); 1255 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); 1256 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); 1257 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); 1258 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); 1259 radeon_gart_table_vram_unpin(rdev); 1260 } 1261 1262 static void evergreen_pcie_gart_fini(struct radeon_device *rdev) 1263 { 1264 evergreen_pcie_gart_disable(rdev); 1265 radeon_gart_table_vram_free(rdev); 1266 radeon_gart_fini(rdev); 1267 } 1268 1269 1270 static void evergreen_agp_enable(struct radeon_device *rdev) 1271 { 1272 u32 tmp; 1273 1274 /* Setup L2 cache */ 1275 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1276 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1277 EFFECTIVE_L2_QUEUE_SIZE(7)); 1278 WREG32(VM_L2_CNTL2, 0); 1279 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); 1280 /* Setup TLB control */ 1281 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1282 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1283 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | 1284 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); 1285 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); 1286 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); 1287 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); 1288 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); 1289 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); 1290 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); 1291 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); 1292 WREG32(VM_CONTEXT0_CNTL, 0); 1293 WREG32(VM_CONTEXT1_CNTL, 0); 1294 } 1295 1296 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save) 1297 { 1298 u32 crtc_enabled, tmp, frame_count, blackout; 1299 int i, j; 1300 1301 save->vga_render_control = RREG32(VGA_RENDER_CONTROL); 1302 save->vga_hdp_control = RREG32(VGA_HDP_CONTROL); 1303 1304 /* disable VGA render */ 1305 WREG32(VGA_RENDER_CONTROL, 0); 1306 /* blank the display controllers */ 1307 for (i = 0; i < rdev->num_crtc; i++) { 1308 crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN; 1309 if (crtc_enabled) { 1310 save->crtc_enabled[i] = true; 1311 if (ASIC_IS_DCE6(rdev)) { 1312 tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]); 1313 if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) { 1314 radeon_wait_for_vblank(rdev, i); 1315 tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; 1316 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); 1317 WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); 1318 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); 1319 } 1320 } else { 1321 tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); 1322 if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) { 1323 radeon_wait_for_vblank(rdev, i); 1324 tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; 1325 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); 1326 WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); 1327 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); 1328 } 1329 } 1330 /* wait for the next frame */ 1331 frame_count = radeon_get_vblank_counter(rdev, i); 1332 for (j = 0; j < rdev->usec_timeout; j++) { 1333 if (radeon_get_vblank_counter(rdev, i) != frame_count) 1334 break; 1335 udelay(1); 1336 } 1337 } else { 1338 save->crtc_enabled[i] = false; 1339 } 1340 } 1341 1342 radeon_mc_wait_for_idle(rdev); 1343 1344 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); 1345 if ((blackout & BLACKOUT_MODE_MASK) != 1) { 1346 /* Block CPU access */ 1347 WREG32(BIF_FB_EN, 0); 1348 /* blackout the MC */ 1349 blackout &= ~BLACKOUT_MODE_MASK; 1350 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1); 1351 } 1352 /* wait for the MC to settle */ 1353 udelay(100); 1354 } 1355 1356 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save) 1357 { 1358 u32 tmp, frame_count; 1359 int i, j; 1360 1361 /* update crtc base addresses */ 1362 for (i = 0; i < rdev->num_crtc; i++) { 1363 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], 1364 upper_32_bits(rdev->mc.vram_start)); 1365 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], 1366 upper_32_bits(rdev->mc.vram_start)); 1367 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i], 1368 (u32)rdev->mc.vram_start); 1369 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i], 1370 (u32)rdev->mc.vram_start); 1371 } 1372 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start)); 1373 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); 1374 1375 /* unblackout the MC */ 1376 tmp = RREG32(MC_SHARED_BLACKOUT_CNTL); 1377 tmp &= ~BLACKOUT_MODE_MASK; 1378 WREG32(MC_SHARED_BLACKOUT_CNTL, tmp); 1379 /* allow CPU access */ 1380 WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN); 1381 1382 for (i = 0; i < rdev->num_crtc; i++) { 1383 if (save->crtc_enabled[i]) { 1384 if (ASIC_IS_DCE6(rdev)) { 1385 tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]); 1386 tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; 1387 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); 1388 WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); 1389 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); 1390 } else { 1391 tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); 1392 tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; 1393 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); 1394 WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); 1395 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); 1396 } 1397 /* wait for the next frame */ 1398 frame_count = radeon_get_vblank_counter(rdev, i); 1399 for (j = 0; j < rdev->usec_timeout; j++) { 1400 if (radeon_get_vblank_counter(rdev, i) != frame_count) 1401 break; 1402 udelay(1); 1403 } 1404 } 1405 } 1406 /* Unlock vga access */ 1407 WREG32(VGA_HDP_CONTROL, save->vga_hdp_control); 1408 mdelay(1); 1409 WREG32(VGA_RENDER_CONTROL, save->vga_render_control); 1410 } 1411 1412 void evergreen_mc_program(struct radeon_device *rdev) 1413 { 1414 struct evergreen_mc_save save; 1415 u32 tmp; 1416 int i, j; 1417 1418 /* Initialize HDP */ 1419 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1420 WREG32((0x2c14 + j), 0x00000000); 1421 WREG32((0x2c18 + j), 0x00000000); 1422 WREG32((0x2c1c + j), 0x00000000); 1423 WREG32((0x2c20 + j), 0x00000000); 1424 WREG32((0x2c24 + j), 0x00000000); 1425 } 1426 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); 1427 1428 evergreen_mc_stop(rdev, &save); 1429 if (evergreen_mc_wait_for_idle(rdev)) { 1430 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1431 } 1432 /* Lockout access through VGA aperture*/ 1433 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); 1434 /* Update configuration */ 1435 if (rdev->flags & RADEON_IS_AGP) { 1436 if (rdev->mc.vram_start < rdev->mc.gtt_start) { 1437 /* VRAM before AGP */ 1438 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1439 rdev->mc.vram_start >> 12); 1440 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1441 rdev->mc.gtt_end >> 12); 1442 } else { 1443 /* VRAM after AGP */ 1444 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1445 rdev->mc.gtt_start >> 12); 1446 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1447 rdev->mc.vram_end >> 12); 1448 } 1449 } else { 1450 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1451 rdev->mc.vram_start >> 12); 1452 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1453 rdev->mc.vram_end >> 12); 1454 } 1455 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12); 1456 /* llano/ontario only */ 1457 if ((rdev->family == CHIP_PALM) || 1458 (rdev->family == CHIP_SUMO) || 1459 (rdev->family == CHIP_SUMO2)) { 1460 tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF; 1461 tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24; 1462 tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20; 1463 WREG32(MC_FUS_VM_FB_OFFSET, tmp); 1464 } 1465 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; 1466 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); 1467 WREG32(MC_VM_FB_LOCATION, tmp); 1468 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); 1469 WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); 1470 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); 1471 if (rdev->flags & RADEON_IS_AGP) { 1472 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16); 1473 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16); 1474 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); 1475 } else { 1476 WREG32(MC_VM_AGP_BASE, 0); 1477 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); 1478 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); 1479 } 1480 if (evergreen_mc_wait_for_idle(rdev)) { 1481 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1482 } 1483 evergreen_mc_resume(rdev, &save); 1484 /* we need to own VRAM, so turn off the VGA renderer here 1485 * to stop it overwriting our objects */ 1486 rv515_vga_render_disable(rdev); 1487 } 1488 1489 /* 1490 * CP. 1491 */ 1492 void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 1493 { 1494 struct radeon_ring *ring = &rdev->ring[ib->ring]; 1495 u32 next_rptr; 1496 1497 /* set to DX10/11 mode */ 1498 radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0)); 1499 radeon_ring_write(ring, 1); 1500 1501 if (ring->rptr_save_reg) { 1502 next_rptr = ring->wptr + 3 + 4; 1503 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 1504 radeon_ring_write(ring, ((ring->rptr_save_reg - 1505 PACKET3_SET_CONFIG_REG_START) >> 2)); 1506 radeon_ring_write(ring, next_rptr); 1507 } else if (rdev->wb.enabled) { 1508 next_rptr = ring->wptr + 5 + 4; 1509 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3)); 1510 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); 1511 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18)); 1512 radeon_ring_write(ring, next_rptr); 1513 radeon_ring_write(ring, 0); 1514 } 1515 1516 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 1517 radeon_ring_write(ring, 1518 #ifdef __BIG_ENDIAN 1519 (2 << 0) | 1520 #endif 1521 (ib->gpu_addr & 0xFFFFFFFC)); 1522 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 1523 radeon_ring_write(ring, ib->length_dw); 1524 } 1525 1526 1527 static int evergreen_cp_load_microcode(struct radeon_device *rdev) 1528 { 1529 const __be32 *fw_data; 1530 int i; 1531 1532 if (!rdev->me_fw || !rdev->pfp_fw) 1533 return -EINVAL; 1534 1535 r700_cp_stop(rdev); 1536 WREG32(CP_RB_CNTL, 1537 #ifdef __BIG_ENDIAN 1538 BUF_SWAP_32BIT | 1539 #endif 1540 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); 1541 1542 fw_data = (const __be32 *)rdev->pfp_fw->data; 1543 WREG32(CP_PFP_UCODE_ADDR, 0); 1544 for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++) 1545 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); 1546 WREG32(CP_PFP_UCODE_ADDR, 0); 1547 1548 fw_data = (const __be32 *)rdev->me_fw->data; 1549 WREG32(CP_ME_RAM_WADDR, 0); 1550 for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++) 1551 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); 1552 1553 WREG32(CP_PFP_UCODE_ADDR, 0); 1554 WREG32(CP_ME_RAM_WADDR, 0); 1555 WREG32(CP_ME_RAM_RADDR, 0); 1556 return 0; 1557 } 1558 1559 static int evergreen_cp_start(struct radeon_device *rdev) 1560 { 1561 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1562 int r, i; 1563 uint32_t cp_me; 1564 1565 r = radeon_ring_lock(rdev, ring, 7); 1566 if (r) { 1567 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 1568 return r; 1569 } 1570 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 1571 radeon_ring_write(ring, 0x1); 1572 radeon_ring_write(ring, 0x0); 1573 radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1); 1574 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 1575 radeon_ring_write(ring, 0); 1576 radeon_ring_write(ring, 0); 1577 radeon_ring_unlock_commit(rdev, ring); 1578 1579 cp_me = 0xff; 1580 WREG32(CP_ME_CNTL, cp_me); 1581 1582 r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19); 1583 if (r) { 1584 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 1585 return r; 1586 } 1587 1588 /* setup clear context state */ 1589 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 1590 radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); 1591 1592 for (i = 0; i < evergreen_default_size; i++) 1593 radeon_ring_write(ring, evergreen_default_state[i]); 1594 1595 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 1596 radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE); 1597 1598 /* set clear context state */ 1599 radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0)); 1600 radeon_ring_write(ring, 0); 1601 1602 /* SQ_VTX_BASE_VTX_LOC */ 1603 radeon_ring_write(ring, 0xc0026f00); 1604 radeon_ring_write(ring, 0x00000000); 1605 radeon_ring_write(ring, 0x00000000); 1606 radeon_ring_write(ring, 0x00000000); 1607 1608 /* Clear consts */ 1609 radeon_ring_write(ring, 0xc0036f00); 1610 radeon_ring_write(ring, 0x00000bc4); 1611 radeon_ring_write(ring, 0xffffffff); 1612 radeon_ring_write(ring, 0xffffffff); 1613 radeon_ring_write(ring, 0xffffffff); 1614 1615 radeon_ring_write(ring, 0xc0026900); 1616 radeon_ring_write(ring, 0x00000316); 1617 radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */ 1618 radeon_ring_write(ring, 0x00000010); /* */ 1619 1620 radeon_ring_unlock_commit(rdev, ring); 1621 1622 return 0; 1623 } 1624 1625 static int evergreen_cp_resume(struct radeon_device *rdev) 1626 { 1627 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1628 u32 tmp; 1629 u32 rb_bufsz; 1630 int r; 1631 1632 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ 1633 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | 1634 SOFT_RESET_PA | 1635 SOFT_RESET_SH | 1636 SOFT_RESET_VGT | 1637 SOFT_RESET_SPI | 1638 SOFT_RESET_SX)); 1639 RREG32(GRBM_SOFT_RESET); 1640 mdelay(15); 1641 WREG32(GRBM_SOFT_RESET, 0); 1642 RREG32(GRBM_SOFT_RESET); 1643 1644 /* Set ring buffer size */ 1645 rb_bufsz = drm_order(ring->ring_size / 8); 1646 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 1647 #ifdef __BIG_ENDIAN 1648 tmp |= BUF_SWAP_32BIT; 1649 #endif 1650 WREG32(CP_RB_CNTL, tmp); 1651 WREG32(CP_SEM_WAIT_TIMER, 0x0); 1652 WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0); 1653 1654 /* Set the write pointer delay */ 1655 WREG32(CP_RB_WPTR_DELAY, 0); 1656 1657 /* Initialize the ring buffer's read and write pointers */ 1658 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); 1659 WREG32(CP_RB_RPTR_WR, 0); 1660 ring->wptr = 0; 1661 WREG32(CP_RB_WPTR, ring->wptr); 1662 1663 /* set the wb address whether it's enabled or not */ 1664 WREG32(CP_RB_RPTR_ADDR, 1665 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); 1666 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); 1667 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 1668 1669 if (rdev->wb.enabled) 1670 WREG32(SCRATCH_UMSK, 0xff); 1671 else { 1672 tmp |= RB_NO_UPDATE; 1673 WREG32(SCRATCH_UMSK, 0); 1674 } 1675 1676 mdelay(1); 1677 WREG32(CP_RB_CNTL, tmp); 1678 1679 WREG32(CP_RB_BASE, ring->gpu_addr >> 8); 1680 WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); 1681 1682 ring->rptr = RREG32(CP_RB_RPTR); 1683 1684 evergreen_cp_start(rdev); 1685 ring->ready = true; 1686 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); 1687 if (r) { 1688 ring->ready = false; 1689 return r; 1690 } 1691 return 0; 1692 } 1693 1694 /* 1695 * Core functions 1696 */ 1697 static void evergreen_gpu_init(struct radeon_device *rdev) 1698 { 1699 u32 gb_addr_config; 1700 u32 mc_shared_chmap, mc_arb_ramcfg; 1701 u32 sx_debug_1; 1702 u32 smx_dc_ctl0; 1703 u32 sq_config; 1704 u32 sq_lds_resource_mgmt; 1705 u32 sq_gpr_resource_mgmt_1; 1706 u32 sq_gpr_resource_mgmt_2; 1707 u32 sq_gpr_resource_mgmt_3; 1708 u32 sq_thread_resource_mgmt; 1709 u32 sq_thread_resource_mgmt_2; 1710 u32 sq_stack_resource_mgmt_1; 1711 u32 sq_stack_resource_mgmt_2; 1712 u32 sq_stack_resource_mgmt_3; 1713 u32 vgt_cache_invalidation; 1714 u32 hdp_host_path_cntl, tmp; 1715 u32 disabled_rb_mask; 1716 int i, j, num_shader_engines, ps_thread_count; 1717 1718 switch (rdev->family) { 1719 case CHIP_CYPRESS: 1720 case CHIP_HEMLOCK: 1721 rdev->config.evergreen.num_ses = 2; 1722 rdev->config.evergreen.max_pipes = 4; 1723 rdev->config.evergreen.max_tile_pipes = 8; 1724 rdev->config.evergreen.max_simds = 10; 1725 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses; 1726 rdev->config.evergreen.max_gprs = 256; 1727 rdev->config.evergreen.max_threads = 248; 1728 rdev->config.evergreen.max_gs_threads = 32; 1729 rdev->config.evergreen.max_stack_entries = 512; 1730 rdev->config.evergreen.sx_num_of_sets = 4; 1731 rdev->config.evergreen.sx_max_export_size = 256; 1732 rdev->config.evergreen.sx_max_export_pos_size = 64; 1733 rdev->config.evergreen.sx_max_export_smx_size = 192; 1734 rdev->config.evergreen.max_hw_contexts = 8; 1735 rdev->config.evergreen.sq_num_cf_insts = 2; 1736 1737 rdev->config.evergreen.sc_prim_fifo_size = 0x100; 1738 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1739 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1740 gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN; 1741 break; 1742 case CHIP_JUNIPER: 1743 rdev->config.evergreen.num_ses = 1; 1744 rdev->config.evergreen.max_pipes = 4; 1745 rdev->config.evergreen.max_tile_pipes = 4; 1746 rdev->config.evergreen.max_simds = 10; 1747 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses; 1748 rdev->config.evergreen.max_gprs = 256; 1749 rdev->config.evergreen.max_threads = 248; 1750 rdev->config.evergreen.max_gs_threads = 32; 1751 rdev->config.evergreen.max_stack_entries = 512; 1752 rdev->config.evergreen.sx_num_of_sets = 4; 1753 rdev->config.evergreen.sx_max_export_size = 256; 1754 rdev->config.evergreen.sx_max_export_pos_size = 64; 1755 rdev->config.evergreen.sx_max_export_smx_size = 192; 1756 rdev->config.evergreen.max_hw_contexts = 8; 1757 rdev->config.evergreen.sq_num_cf_insts = 2; 1758 1759 rdev->config.evergreen.sc_prim_fifo_size = 0x100; 1760 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1761 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1762 gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN; 1763 break; 1764 case CHIP_REDWOOD: 1765 rdev->config.evergreen.num_ses = 1; 1766 rdev->config.evergreen.max_pipes = 4; 1767 rdev->config.evergreen.max_tile_pipes = 4; 1768 rdev->config.evergreen.max_simds = 5; 1769 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses; 1770 rdev->config.evergreen.max_gprs = 256; 1771 rdev->config.evergreen.max_threads = 248; 1772 rdev->config.evergreen.max_gs_threads = 32; 1773 rdev->config.evergreen.max_stack_entries = 256; 1774 rdev->config.evergreen.sx_num_of_sets = 4; 1775 rdev->config.evergreen.sx_max_export_size = 256; 1776 rdev->config.evergreen.sx_max_export_pos_size = 64; 1777 rdev->config.evergreen.sx_max_export_smx_size = 192; 1778 rdev->config.evergreen.max_hw_contexts = 8; 1779 rdev->config.evergreen.sq_num_cf_insts = 2; 1780 1781 rdev->config.evergreen.sc_prim_fifo_size = 0x100; 1782 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1783 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1784 gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN; 1785 break; 1786 case CHIP_CEDAR: 1787 default: 1788 rdev->config.evergreen.num_ses = 1; 1789 rdev->config.evergreen.max_pipes = 2; 1790 rdev->config.evergreen.max_tile_pipes = 2; 1791 rdev->config.evergreen.max_simds = 2; 1792 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; 1793 rdev->config.evergreen.max_gprs = 256; 1794 rdev->config.evergreen.max_threads = 192; 1795 rdev->config.evergreen.max_gs_threads = 16; 1796 rdev->config.evergreen.max_stack_entries = 256; 1797 rdev->config.evergreen.sx_num_of_sets = 4; 1798 rdev->config.evergreen.sx_max_export_size = 128; 1799 rdev->config.evergreen.sx_max_export_pos_size = 32; 1800 rdev->config.evergreen.sx_max_export_smx_size = 96; 1801 rdev->config.evergreen.max_hw_contexts = 4; 1802 rdev->config.evergreen.sq_num_cf_insts = 1; 1803 1804 rdev->config.evergreen.sc_prim_fifo_size = 0x40; 1805 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1806 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1807 gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN; 1808 break; 1809 case CHIP_PALM: 1810 rdev->config.evergreen.num_ses = 1; 1811 rdev->config.evergreen.max_pipes = 2; 1812 rdev->config.evergreen.max_tile_pipes = 2; 1813 rdev->config.evergreen.max_simds = 2; 1814 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; 1815 rdev->config.evergreen.max_gprs = 256; 1816 rdev->config.evergreen.max_threads = 192; 1817 rdev->config.evergreen.max_gs_threads = 16; 1818 rdev->config.evergreen.max_stack_entries = 256; 1819 rdev->config.evergreen.sx_num_of_sets = 4; 1820 rdev->config.evergreen.sx_max_export_size = 128; 1821 rdev->config.evergreen.sx_max_export_pos_size = 32; 1822 rdev->config.evergreen.sx_max_export_smx_size = 96; 1823 rdev->config.evergreen.max_hw_contexts = 4; 1824 rdev->config.evergreen.sq_num_cf_insts = 1; 1825 1826 rdev->config.evergreen.sc_prim_fifo_size = 0x40; 1827 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1828 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1829 gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN; 1830 break; 1831 case CHIP_SUMO: 1832 rdev->config.evergreen.num_ses = 1; 1833 rdev->config.evergreen.max_pipes = 4; 1834 rdev->config.evergreen.max_tile_pipes = 4; 1835 if (rdev->pdev->device == 0x9648) 1836 rdev->config.evergreen.max_simds = 3; 1837 else if ((rdev->pdev->device == 0x9647) || 1838 (rdev->pdev->device == 0x964a)) 1839 rdev->config.evergreen.max_simds = 4; 1840 else 1841 rdev->config.evergreen.max_simds = 5; 1842 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses; 1843 rdev->config.evergreen.max_gprs = 256; 1844 rdev->config.evergreen.max_threads = 248; 1845 rdev->config.evergreen.max_gs_threads = 32; 1846 rdev->config.evergreen.max_stack_entries = 256; 1847 rdev->config.evergreen.sx_num_of_sets = 4; 1848 rdev->config.evergreen.sx_max_export_size = 256; 1849 rdev->config.evergreen.sx_max_export_pos_size = 64; 1850 rdev->config.evergreen.sx_max_export_smx_size = 192; 1851 rdev->config.evergreen.max_hw_contexts = 8; 1852 rdev->config.evergreen.sq_num_cf_insts = 2; 1853 1854 rdev->config.evergreen.sc_prim_fifo_size = 0x40; 1855 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1856 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1857 gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN; 1858 break; 1859 case CHIP_SUMO2: 1860 rdev->config.evergreen.num_ses = 1; 1861 rdev->config.evergreen.max_pipes = 4; 1862 rdev->config.evergreen.max_tile_pipes = 4; 1863 rdev->config.evergreen.max_simds = 2; 1864 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; 1865 rdev->config.evergreen.max_gprs = 256; 1866 rdev->config.evergreen.max_threads = 248; 1867 rdev->config.evergreen.max_gs_threads = 32; 1868 rdev->config.evergreen.max_stack_entries = 512; 1869 rdev->config.evergreen.sx_num_of_sets = 4; 1870 rdev->config.evergreen.sx_max_export_size = 256; 1871 rdev->config.evergreen.sx_max_export_pos_size = 64; 1872 rdev->config.evergreen.sx_max_export_smx_size = 192; 1873 rdev->config.evergreen.max_hw_contexts = 8; 1874 rdev->config.evergreen.sq_num_cf_insts = 2; 1875 1876 rdev->config.evergreen.sc_prim_fifo_size = 0x40; 1877 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1878 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1879 gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN; 1880 break; 1881 case CHIP_BARTS: 1882 rdev->config.evergreen.num_ses = 2; 1883 rdev->config.evergreen.max_pipes = 4; 1884 rdev->config.evergreen.max_tile_pipes = 8; 1885 rdev->config.evergreen.max_simds = 7; 1886 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses; 1887 rdev->config.evergreen.max_gprs = 256; 1888 rdev->config.evergreen.max_threads = 248; 1889 rdev->config.evergreen.max_gs_threads = 32; 1890 rdev->config.evergreen.max_stack_entries = 512; 1891 rdev->config.evergreen.sx_num_of_sets = 4; 1892 rdev->config.evergreen.sx_max_export_size = 256; 1893 rdev->config.evergreen.sx_max_export_pos_size = 64; 1894 rdev->config.evergreen.sx_max_export_smx_size = 192; 1895 rdev->config.evergreen.max_hw_contexts = 8; 1896 rdev->config.evergreen.sq_num_cf_insts = 2; 1897 1898 rdev->config.evergreen.sc_prim_fifo_size = 0x100; 1899 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1900 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1901 gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN; 1902 break; 1903 case CHIP_TURKS: 1904 rdev->config.evergreen.num_ses = 1; 1905 rdev->config.evergreen.max_pipes = 4; 1906 rdev->config.evergreen.max_tile_pipes = 4; 1907 rdev->config.evergreen.max_simds = 6; 1908 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses; 1909 rdev->config.evergreen.max_gprs = 256; 1910 rdev->config.evergreen.max_threads = 248; 1911 rdev->config.evergreen.max_gs_threads = 32; 1912 rdev->config.evergreen.max_stack_entries = 256; 1913 rdev->config.evergreen.sx_num_of_sets = 4; 1914 rdev->config.evergreen.sx_max_export_size = 256; 1915 rdev->config.evergreen.sx_max_export_pos_size = 64; 1916 rdev->config.evergreen.sx_max_export_smx_size = 192; 1917 rdev->config.evergreen.max_hw_contexts = 8; 1918 rdev->config.evergreen.sq_num_cf_insts = 2; 1919 1920 rdev->config.evergreen.sc_prim_fifo_size = 0x100; 1921 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1922 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1923 gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN; 1924 break; 1925 case CHIP_CAICOS: 1926 rdev->config.evergreen.num_ses = 1; 1927 rdev->config.evergreen.max_pipes = 2; 1928 rdev->config.evergreen.max_tile_pipes = 2; 1929 rdev->config.evergreen.max_simds = 2; 1930 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; 1931 rdev->config.evergreen.max_gprs = 256; 1932 rdev->config.evergreen.max_threads = 192; 1933 rdev->config.evergreen.max_gs_threads = 16; 1934 rdev->config.evergreen.max_stack_entries = 256; 1935 rdev->config.evergreen.sx_num_of_sets = 4; 1936 rdev->config.evergreen.sx_max_export_size = 128; 1937 rdev->config.evergreen.sx_max_export_pos_size = 32; 1938 rdev->config.evergreen.sx_max_export_smx_size = 96; 1939 rdev->config.evergreen.max_hw_contexts = 4; 1940 rdev->config.evergreen.sq_num_cf_insts = 1; 1941 1942 rdev->config.evergreen.sc_prim_fifo_size = 0x40; 1943 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; 1944 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; 1945 gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN; 1946 break; 1947 } 1948 1949 /* Initialize HDP */ 1950 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1951 WREG32((0x2c14 + j), 0x00000000); 1952 WREG32((0x2c18 + j), 0x00000000); 1953 WREG32((0x2c1c + j), 0x00000000); 1954 WREG32((0x2c20 + j), 0x00000000); 1955 WREG32((0x2c24 + j), 0x00000000); 1956 } 1957 1958 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 1959 1960 evergreen_fix_pci_max_read_req_size(rdev); 1961 1962 mc_shared_chmap = RREG32(MC_SHARED_CHMAP); 1963 if ((rdev->family == CHIP_PALM) || 1964 (rdev->family == CHIP_SUMO) || 1965 (rdev->family == CHIP_SUMO2)) 1966 mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG); 1967 else 1968 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); 1969 1970 /* setup tiling info dword. gb_addr_config is not adequate since it does 1971 * not have bank info, so create a custom tiling dword. 1972 * bits 3:0 num_pipes 1973 * bits 7:4 num_banks 1974 * bits 11:8 group_size 1975 * bits 15:12 row_size 1976 */ 1977 rdev->config.evergreen.tile_config = 0; 1978 switch (rdev->config.evergreen.max_tile_pipes) { 1979 case 1: 1980 default: 1981 rdev->config.evergreen.tile_config |= (0 << 0); 1982 break; 1983 case 2: 1984 rdev->config.evergreen.tile_config |= (1 << 0); 1985 break; 1986 case 4: 1987 rdev->config.evergreen.tile_config |= (2 << 0); 1988 break; 1989 case 8: 1990 rdev->config.evergreen.tile_config |= (3 << 0); 1991 break; 1992 } 1993 /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */ 1994 if (rdev->flags & RADEON_IS_IGP) 1995 rdev->config.evergreen.tile_config |= 1 << 4; 1996 else { 1997 switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { 1998 case 0: /* four banks */ 1999 rdev->config.evergreen.tile_config |= 0 << 4; 2000 break; 2001 case 1: /* eight banks */ 2002 rdev->config.evergreen.tile_config |= 1 << 4; 2003 break; 2004 case 2: /* sixteen banks */ 2005 default: 2006 rdev->config.evergreen.tile_config |= 2 << 4; 2007 break; 2008 } 2009 } 2010 rdev->config.evergreen.tile_config |= 0 << 8; 2011 rdev->config.evergreen.tile_config |= 2012 ((gb_addr_config & 0x30000000) >> 28) << 12; 2013 2014 num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1; 2015 2016 if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) { 2017 u32 efuse_straps_4; 2018 u32 efuse_straps_3; 2019 2020 WREG32(RCU_IND_INDEX, 0x204); 2021 efuse_straps_4 = RREG32(RCU_IND_DATA); 2022 WREG32(RCU_IND_INDEX, 0x203); 2023 efuse_straps_3 = RREG32(RCU_IND_DATA); 2024 tmp = (((efuse_straps_4 & 0xf) << 4) | 2025 ((efuse_straps_3 & 0xf0000000) >> 28)); 2026 } else { 2027 tmp = 0; 2028 for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) { 2029 u32 rb_disable_bitmap; 2030 2031 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 2032 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 2033 rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16; 2034 tmp <<= 4; 2035 tmp |= rb_disable_bitmap; 2036 } 2037 } 2038 /* enabled rb are just the one not disabled :) */ 2039 disabled_rb_mask = tmp; 2040 2041 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); 2042 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); 2043 2044 WREG32(GB_ADDR_CONFIG, gb_addr_config); 2045 WREG32(DMIF_ADDR_CONFIG, gb_addr_config); 2046 WREG32(HDP_ADDR_CONFIG, gb_addr_config); 2047 WREG32(DMA_TILING_CONFIG, gb_addr_config); 2048 2049 if ((rdev->config.evergreen.max_backends == 1) && 2050 (rdev->flags & RADEON_IS_IGP)) { 2051 if ((disabled_rb_mask & 3) == 1) { 2052 /* RB0 disabled, RB1 enabled */ 2053 tmp = 0x11111111; 2054 } else { 2055 /* RB1 disabled, RB0 enabled */ 2056 tmp = 0x00000000; 2057 } 2058 } else { 2059 tmp = gb_addr_config & NUM_PIPES_MASK; 2060 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends, 2061 EVERGREEN_MAX_BACKENDS, disabled_rb_mask); 2062 } 2063 WREG32(GB_BACKEND_MAP, tmp); 2064 2065 WREG32(CGTS_SYS_TCC_DISABLE, 0); 2066 WREG32(CGTS_TCC_DISABLE, 0); 2067 WREG32(CGTS_USER_SYS_TCC_DISABLE, 0); 2068 WREG32(CGTS_USER_TCC_DISABLE, 0); 2069 2070 /* set HW defaults for 3D engine */ 2071 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | 2072 ROQ_IB2_START(0x2b))); 2073 2074 WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30)); 2075 2076 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | 2077 SYNC_GRADIENT | 2078 SYNC_WALKER | 2079 SYNC_ALIGNER)); 2080 2081 sx_debug_1 = RREG32(SX_DEBUG_1); 2082 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS; 2083 WREG32(SX_DEBUG_1, sx_debug_1); 2084 2085 2086 smx_dc_ctl0 = RREG32(SMX_DC_CTL0); 2087 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); 2088 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets); 2089 WREG32(SMX_DC_CTL0, smx_dc_ctl0); 2090 2091 if (rdev->family <= CHIP_SUMO2) 2092 WREG32(SMX_SAR_CTL0, 0x00010000); 2093 2094 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) | 2095 POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) | 2096 SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1))); 2097 2098 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) | 2099 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) | 2100 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size))); 2101 2102 WREG32(VGT_NUM_INSTANCES, 1); 2103 WREG32(SPI_CONFIG_CNTL, 0); 2104 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4)); 2105 WREG32(CP_PERFMON_CNTL, 0); 2106 2107 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) | 2108 FETCH_FIFO_HIWATER(0x4) | 2109 DONE_FIFO_HIWATER(0xe0) | 2110 ALU_UPDATE_FIFO_HIWATER(0x8))); 2111 2112 sq_config = RREG32(SQ_CONFIG); 2113 sq_config &= ~(PS_PRIO(3) | 2114 VS_PRIO(3) | 2115 GS_PRIO(3) | 2116 ES_PRIO(3)); 2117 sq_config |= (VC_ENABLE | 2118 EXPORT_SRC_C | 2119 PS_PRIO(0) | 2120 VS_PRIO(1) | 2121 GS_PRIO(2) | 2122 ES_PRIO(3)); 2123 2124 switch (rdev->family) { 2125 case CHIP_CEDAR: 2126 case CHIP_PALM: 2127 case CHIP_SUMO: 2128 case CHIP_SUMO2: 2129 case CHIP_CAICOS: 2130 /* no vertex cache */ 2131 sq_config &= ~VC_ENABLE; 2132 break; 2133 default: 2134 break; 2135 } 2136 2137 sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT); 2138 2139 sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32); 2140 sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32); 2141 sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4); 2142 sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32); 2143 sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32); 2144 sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32); 2145 sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32); 2146 2147 switch (rdev->family) { 2148 case CHIP_CEDAR: 2149 case CHIP_PALM: 2150 case CHIP_SUMO: 2151 case CHIP_SUMO2: 2152 ps_thread_count = 96; 2153 break; 2154 default: 2155 ps_thread_count = 128; 2156 break; 2157 } 2158 2159 sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count); 2160 sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); 2161 sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); 2162 sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); 2163 sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); 2164 sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); 2165 2166 sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); 2167 sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); 2168 sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); 2169 sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); 2170 sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); 2171 sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); 2172 2173 WREG32(SQ_CONFIG, sq_config); 2174 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); 2175 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); 2176 WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3); 2177 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); 2178 WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2); 2179 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); 2180 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); 2181 WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3); 2182 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0); 2183 WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt); 2184 2185 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | 2186 FORCE_EOV_MAX_REZ_CNT(255))); 2187 2188 switch (rdev->family) { 2189 case CHIP_CEDAR: 2190 case CHIP_PALM: 2191 case CHIP_SUMO: 2192 case CHIP_SUMO2: 2193 case CHIP_CAICOS: 2194 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY); 2195 break; 2196 default: 2197 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC); 2198 break; 2199 } 2200 vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO); 2201 WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation); 2202 2203 WREG32(VGT_GS_VERTEX_REUSE, 16); 2204 WREG32(PA_SU_LINE_STIPPLE_VALUE, 0); 2205 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 2206 2207 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14); 2208 WREG32(VGT_OUT_DEALLOC_CNTL, 16); 2209 2210 WREG32(CB_PERF_CTR0_SEL_0, 0); 2211 WREG32(CB_PERF_CTR0_SEL_1, 0); 2212 WREG32(CB_PERF_CTR1_SEL_0, 0); 2213 WREG32(CB_PERF_CTR1_SEL_1, 0); 2214 WREG32(CB_PERF_CTR2_SEL_0, 0); 2215 WREG32(CB_PERF_CTR2_SEL_1, 0); 2216 WREG32(CB_PERF_CTR3_SEL_0, 0); 2217 WREG32(CB_PERF_CTR3_SEL_1, 0); 2218 2219 /* clear render buffer base addresses */ 2220 WREG32(CB_COLOR0_BASE, 0); 2221 WREG32(CB_COLOR1_BASE, 0); 2222 WREG32(CB_COLOR2_BASE, 0); 2223 WREG32(CB_COLOR3_BASE, 0); 2224 WREG32(CB_COLOR4_BASE, 0); 2225 WREG32(CB_COLOR5_BASE, 0); 2226 WREG32(CB_COLOR6_BASE, 0); 2227 WREG32(CB_COLOR7_BASE, 0); 2228 WREG32(CB_COLOR8_BASE, 0); 2229 WREG32(CB_COLOR9_BASE, 0); 2230 WREG32(CB_COLOR10_BASE, 0); 2231 WREG32(CB_COLOR11_BASE, 0); 2232 2233 /* set the shader const cache sizes to 0 */ 2234 for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4) 2235 WREG32(i, 0); 2236 for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4) 2237 WREG32(i, 0); 2238 2239 tmp = RREG32(HDP_MISC_CNTL); 2240 tmp |= HDP_FLUSH_INVALIDATE_CACHE; 2241 WREG32(HDP_MISC_CNTL, tmp); 2242 2243 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); 2244 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); 2245 2246 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); 2247 2248 udelay(50); 2249 2250 } 2251 2252 int evergreen_mc_init(struct radeon_device *rdev) 2253 { 2254 u32 tmp; 2255 int chansize, numchan; 2256 2257 /* Get VRAM informations */ 2258 rdev->mc.vram_is_ddr = true; 2259 if ((rdev->family == CHIP_PALM) || 2260 (rdev->family == CHIP_SUMO) || 2261 (rdev->family == CHIP_SUMO2)) 2262 tmp = RREG32(FUS_MC_ARB_RAMCFG); 2263 else 2264 tmp = RREG32(MC_ARB_RAMCFG); 2265 if (tmp & CHANSIZE_OVERRIDE) { 2266 chansize = 16; 2267 } else if (tmp & CHANSIZE_MASK) { 2268 chansize = 64; 2269 } else { 2270 chansize = 32; 2271 } 2272 tmp = RREG32(MC_SHARED_CHMAP); 2273 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 2274 case 0: 2275 default: 2276 numchan = 1; 2277 break; 2278 case 1: 2279 numchan = 2; 2280 break; 2281 case 2: 2282 numchan = 4; 2283 break; 2284 case 3: 2285 numchan = 8; 2286 break; 2287 } 2288 rdev->mc.vram_width = numchan * chansize; 2289 /* Could aper size report 0 ? */ 2290 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 2291 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 2292 /* Setup GPU memory space */ 2293 if ((rdev->family == CHIP_PALM) || 2294 (rdev->family == CHIP_SUMO) || 2295 (rdev->family == CHIP_SUMO2)) { 2296 /* size in bytes on fusion */ 2297 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); 2298 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); 2299 } else { 2300 /* size in MB on evergreen/cayman/tn */ 2301 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; 2302 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; 2303 } 2304 rdev->mc.visible_vram_size = rdev->mc.aper_size; 2305 r700_vram_gtt_location(rdev, &rdev->mc); 2306 radeon_update_bandwidth_info(rdev); 2307 2308 return 0; 2309 } 2310 2311 bool evergreen_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 2312 { 2313 u32 srbm_status; 2314 u32 grbm_status; 2315 u32 grbm_status_se0, grbm_status_se1; 2316 2317 srbm_status = RREG32(SRBM_STATUS); 2318 grbm_status = RREG32(GRBM_STATUS); 2319 grbm_status_se0 = RREG32(GRBM_STATUS_SE0); 2320 grbm_status_se1 = RREG32(GRBM_STATUS_SE1); 2321 if (!(grbm_status & GUI_ACTIVE)) { 2322 radeon_ring_lockup_update(ring); 2323 return false; 2324 } 2325 /* force CP activities */ 2326 radeon_ring_force_activity(rdev, ring); 2327 return radeon_ring_test_lockup(rdev, ring); 2328 } 2329 2330 static void evergreen_gpu_soft_reset_gfx(struct radeon_device *rdev) 2331 { 2332 u32 grbm_reset = 0; 2333 2334 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) 2335 return; 2336 2337 dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", 2338 RREG32(GRBM_STATUS)); 2339 dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", 2340 RREG32(GRBM_STATUS_SE0)); 2341 dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n", 2342 RREG32(GRBM_STATUS_SE1)); 2343 dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n", 2344 RREG32(SRBM_STATUS)); 2345 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", 2346 RREG32(CP_STALLED_STAT1)); 2347 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", 2348 RREG32(CP_STALLED_STAT2)); 2349 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", 2350 RREG32(CP_BUSY_STAT)); 2351 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", 2352 RREG32(CP_STAT)); 2353 2354 /* Disable CP parsing/prefetching */ 2355 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); 2356 2357 /* reset all the gfx blocks */ 2358 grbm_reset = (SOFT_RESET_CP | 2359 SOFT_RESET_CB | 2360 SOFT_RESET_DB | 2361 SOFT_RESET_PA | 2362 SOFT_RESET_SC | 2363 SOFT_RESET_SPI | 2364 SOFT_RESET_SH | 2365 SOFT_RESET_SX | 2366 SOFT_RESET_TC | 2367 SOFT_RESET_TA | 2368 SOFT_RESET_VC | 2369 SOFT_RESET_VGT); 2370 2371 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); 2372 WREG32(GRBM_SOFT_RESET, grbm_reset); 2373 (void)RREG32(GRBM_SOFT_RESET); 2374 udelay(50); 2375 WREG32(GRBM_SOFT_RESET, 0); 2376 (void)RREG32(GRBM_SOFT_RESET); 2377 2378 dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", 2379 RREG32(GRBM_STATUS)); 2380 dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", 2381 RREG32(GRBM_STATUS_SE0)); 2382 dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n", 2383 RREG32(GRBM_STATUS_SE1)); 2384 dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n", 2385 RREG32(SRBM_STATUS)); 2386 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", 2387 RREG32(CP_STALLED_STAT1)); 2388 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", 2389 RREG32(CP_STALLED_STAT2)); 2390 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", 2391 RREG32(CP_BUSY_STAT)); 2392 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", 2393 RREG32(CP_STAT)); 2394 } 2395 2396 static void evergreen_gpu_soft_reset_dma(struct radeon_device *rdev) 2397 { 2398 u32 tmp; 2399 2400 if (RREG32(DMA_STATUS_REG) & DMA_IDLE) 2401 return; 2402 2403 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", 2404 RREG32(DMA_STATUS_REG)); 2405 2406 /* Disable DMA */ 2407 tmp = RREG32(DMA_RB_CNTL); 2408 tmp &= ~DMA_RB_ENABLE; 2409 WREG32(DMA_RB_CNTL, tmp); 2410 2411 /* Reset dma */ 2412 WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); 2413 RREG32(SRBM_SOFT_RESET); 2414 udelay(50); 2415 WREG32(SRBM_SOFT_RESET, 0); 2416 2417 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", 2418 RREG32(DMA_STATUS_REG)); 2419 } 2420 2421 static int evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) 2422 { 2423 struct evergreen_mc_save save; 2424 2425 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) 2426 reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE); 2427 2428 if (RREG32(DMA_STATUS_REG) & DMA_IDLE) 2429 reset_mask &= ~RADEON_RESET_DMA; 2430 2431 if (reset_mask == 0) 2432 return 0; 2433 2434 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); 2435 2436 evergreen_mc_stop(rdev, &save); 2437 if (evergreen_mc_wait_for_idle(rdev)) { 2438 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 2439 } 2440 2441 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) 2442 evergreen_gpu_soft_reset_gfx(rdev); 2443 2444 if (reset_mask & RADEON_RESET_DMA) 2445 evergreen_gpu_soft_reset_dma(rdev); 2446 2447 /* Wait a little for things to settle down */ 2448 udelay(50); 2449 2450 evergreen_mc_resume(rdev, &save); 2451 return 0; 2452 } 2453 2454 int evergreen_asic_reset(struct radeon_device *rdev) 2455 { 2456 return evergreen_gpu_soft_reset(rdev, (RADEON_RESET_GFX | 2457 RADEON_RESET_COMPUTE | 2458 RADEON_RESET_DMA)); 2459 } 2460 2461 /* Interrupts */ 2462 2463 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc) 2464 { 2465 if (crtc >= rdev->num_crtc) 2466 return 0; 2467 else 2468 return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 2469 } 2470 2471 void evergreen_disable_interrupt_state(struct radeon_device *rdev) 2472 { 2473 u32 tmp; 2474 2475 if (rdev->family >= CHIP_CAYMAN) { 2476 cayman_cp_int_cntl_setup(rdev, 0, 2477 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 2478 cayman_cp_int_cntl_setup(rdev, 1, 0); 2479 cayman_cp_int_cntl_setup(rdev, 2, 0); 2480 tmp = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE; 2481 WREG32(CAYMAN_DMA1_CNTL, tmp); 2482 } else 2483 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 2484 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 2485 WREG32(DMA_CNTL, tmp); 2486 WREG32(GRBM_INT_CNTL, 0); 2487 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); 2488 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); 2489 if (rdev->num_crtc >= 4) { 2490 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); 2491 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); 2492 } 2493 if (rdev->num_crtc >= 6) { 2494 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); 2495 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); 2496 } 2497 2498 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); 2499 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); 2500 if (rdev->num_crtc >= 4) { 2501 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); 2502 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); 2503 } 2504 if (rdev->num_crtc >= 6) { 2505 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); 2506 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); 2507 } 2508 2509 /* only one DAC on DCE6 */ 2510 if (!ASIC_IS_DCE6(rdev)) 2511 WREG32(DACA_AUTODETECT_INT_CONTROL, 0); 2512 WREG32(DACB_AUTODETECT_INT_CONTROL, 0); 2513 2514 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2515 WREG32(DC_HPD1_INT_CONTROL, tmp); 2516 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2517 WREG32(DC_HPD2_INT_CONTROL, tmp); 2518 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2519 WREG32(DC_HPD3_INT_CONTROL, tmp); 2520 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2521 WREG32(DC_HPD4_INT_CONTROL, tmp); 2522 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2523 WREG32(DC_HPD5_INT_CONTROL, tmp); 2524 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2525 WREG32(DC_HPD6_INT_CONTROL, tmp); 2526 2527 } 2528 2529 int evergreen_irq_set(struct radeon_device *rdev) 2530 { 2531 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; 2532 u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0; 2533 u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0; 2534 u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6; 2535 u32 grbm_int_cntl = 0; 2536 u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0; 2537 u32 afmt1 = 0, afmt2 = 0, afmt3 = 0, afmt4 = 0, afmt5 = 0, afmt6 = 0; 2538 u32 dma_cntl, dma_cntl1 = 0; 2539 2540 if (!rdev->irq.installed) { 2541 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 2542 return -EINVAL; 2543 } 2544 /* don't enable anything if the ih is disabled */ 2545 if (!rdev->ih.enabled) { 2546 r600_disable_interrupts(rdev); 2547 /* force the active interrupt state to all disabled */ 2548 evergreen_disable_interrupt_state(rdev); 2549 return 0; 2550 } 2551 2552 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; 2553 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; 2554 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; 2555 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; 2556 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; 2557 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; 2558 2559 afmt1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 2560 afmt2 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 2561 afmt3 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 2562 afmt4 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 2563 afmt5 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 2564 afmt6 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 2565 2566 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 2567 2568 if (rdev->family >= CHIP_CAYMAN) { 2569 /* enable CP interrupts on all rings */ 2570 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 2571 DRM_DEBUG("evergreen_irq_set: sw int gfx\n"); 2572 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 2573 } 2574 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) { 2575 DRM_DEBUG("evergreen_irq_set: sw int cp1\n"); 2576 cp_int_cntl1 |= TIME_STAMP_INT_ENABLE; 2577 } 2578 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) { 2579 DRM_DEBUG("evergreen_irq_set: sw int cp2\n"); 2580 cp_int_cntl2 |= TIME_STAMP_INT_ENABLE; 2581 } 2582 } else { 2583 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 2584 DRM_DEBUG("evergreen_irq_set: sw int gfx\n"); 2585 cp_int_cntl |= RB_INT_ENABLE; 2586 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 2587 } 2588 } 2589 2590 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) { 2591 DRM_DEBUG("r600_irq_set: sw int dma\n"); 2592 dma_cntl |= TRAP_ENABLE; 2593 } 2594 2595 if (rdev->family >= CHIP_CAYMAN) { 2596 dma_cntl1 = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE; 2597 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) { 2598 DRM_DEBUG("r600_irq_set: sw int dma1\n"); 2599 dma_cntl1 |= TRAP_ENABLE; 2600 } 2601 } 2602 2603 if (rdev->irq.crtc_vblank_int[0] || 2604 atomic_read(&rdev->irq.pflip[0])) { 2605 DRM_DEBUG("evergreen_irq_set: vblank 0\n"); 2606 crtc1 |= VBLANK_INT_MASK; 2607 } 2608 if (rdev->irq.crtc_vblank_int[1] || 2609 atomic_read(&rdev->irq.pflip[1])) { 2610 DRM_DEBUG("evergreen_irq_set: vblank 1\n"); 2611 crtc2 |= VBLANK_INT_MASK; 2612 } 2613 if (rdev->irq.crtc_vblank_int[2] || 2614 atomic_read(&rdev->irq.pflip[2])) { 2615 DRM_DEBUG("evergreen_irq_set: vblank 2\n"); 2616 crtc3 |= VBLANK_INT_MASK; 2617 } 2618 if (rdev->irq.crtc_vblank_int[3] || 2619 atomic_read(&rdev->irq.pflip[3])) { 2620 DRM_DEBUG("evergreen_irq_set: vblank 3\n"); 2621 crtc4 |= VBLANK_INT_MASK; 2622 } 2623 if (rdev->irq.crtc_vblank_int[4] || 2624 atomic_read(&rdev->irq.pflip[4])) { 2625 DRM_DEBUG("evergreen_irq_set: vblank 4\n"); 2626 crtc5 |= VBLANK_INT_MASK; 2627 } 2628 if (rdev->irq.crtc_vblank_int[5] || 2629 atomic_read(&rdev->irq.pflip[5])) { 2630 DRM_DEBUG("evergreen_irq_set: vblank 5\n"); 2631 crtc6 |= VBLANK_INT_MASK; 2632 } 2633 if (rdev->irq.hpd[0]) { 2634 DRM_DEBUG("evergreen_irq_set: hpd 1\n"); 2635 hpd1 |= DC_HPDx_INT_EN; 2636 } 2637 if (rdev->irq.hpd[1]) { 2638 DRM_DEBUG("evergreen_irq_set: hpd 2\n"); 2639 hpd2 |= DC_HPDx_INT_EN; 2640 } 2641 if (rdev->irq.hpd[2]) { 2642 DRM_DEBUG("evergreen_irq_set: hpd 3\n"); 2643 hpd3 |= DC_HPDx_INT_EN; 2644 } 2645 if (rdev->irq.hpd[3]) { 2646 DRM_DEBUG("evergreen_irq_set: hpd 4\n"); 2647 hpd4 |= DC_HPDx_INT_EN; 2648 } 2649 if (rdev->irq.hpd[4]) { 2650 DRM_DEBUG("evergreen_irq_set: hpd 5\n"); 2651 hpd5 |= DC_HPDx_INT_EN; 2652 } 2653 if (rdev->irq.hpd[5]) { 2654 DRM_DEBUG("evergreen_irq_set: hpd 6\n"); 2655 hpd6 |= DC_HPDx_INT_EN; 2656 } 2657 if (rdev->irq.afmt[0]) { 2658 DRM_DEBUG("evergreen_irq_set: hdmi 0\n"); 2659 afmt1 |= AFMT_AZ_FORMAT_WTRIG_MASK; 2660 } 2661 if (rdev->irq.afmt[1]) { 2662 DRM_DEBUG("evergreen_irq_set: hdmi 1\n"); 2663 afmt2 |= AFMT_AZ_FORMAT_WTRIG_MASK; 2664 } 2665 if (rdev->irq.afmt[2]) { 2666 DRM_DEBUG("evergreen_irq_set: hdmi 2\n"); 2667 afmt3 |= AFMT_AZ_FORMAT_WTRIG_MASK; 2668 } 2669 if (rdev->irq.afmt[3]) { 2670 DRM_DEBUG("evergreen_irq_set: hdmi 3\n"); 2671 afmt4 |= AFMT_AZ_FORMAT_WTRIG_MASK; 2672 } 2673 if (rdev->irq.afmt[4]) { 2674 DRM_DEBUG("evergreen_irq_set: hdmi 4\n"); 2675 afmt5 |= AFMT_AZ_FORMAT_WTRIG_MASK; 2676 } 2677 if (rdev->irq.afmt[5]) { 2678 DRM_DEBUG("evergreen_irq_set: hdmi 5\n"); 2679 afmt6 |= AFMT_AZ_FORMAT_WTRIG_MASK; 2680 } 2681 2682 if (rdev->family >= CHIP_CAYMAN) { 2683 cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl); 2684 cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1); 2685 cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2); 2686 } else 2687 WREG32(CP_INT_CNTL, cp_int_cntl); 2688 2689 WREG32(DMA_CNTL, dma_cntl); 2690 2691 if (rdev->family >= CHIP_CAYMAN) 2692 WREG32(CAYMAN_DMA1_CNTL, dma_cntl1); 2693 2694 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 2695 2696 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1); 2697 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2); 2698 if (rdev->num_crtc >= 4) { 2699 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3); 2700 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4); 2701 } 2702 if (rdev->num_crtc >= 6) { 2703 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5); 2704 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6); 2705 } 2706 2707 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1); 2708 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2); 2709 if (rdev->num_crtc >= 4) { 2710 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3); 2711 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4); 2712 } 2713 if (rdev->num_crtc >= 6) { 2714 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5); 2715 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6); 2716 } 2717 2718 WREG32(DC_HPD1_INT_CONTROL, hpd1); 2719 WREG32(DC_HPD2_INT_CONTROL, hpd2); 2720 WREG32(DC_HPD3_INT_CONTROL, hpd3); 2721 WREG32(DC_HPD4_INT_CONTROL, hpd4); 2722 WREG32(DC_HPD5_INT_CONTROL, hpd5); 2723 WREG32(DC_HPD6_INT_CONTROL, hpd6); 2724 2725 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, afmt1); 2726 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, afmt2); 2727 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, afmt3); 2728 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, afmt4); 2729 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, afmt5); 2730 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, afmt6); 2731 2732 return 0; 2733 } 2734 2735 static void evergreen_irq_ack(struct radeon_device *rdev) 2736 { 2737 u32 tmp; 2738 2739 rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS); 2740 rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 2741 rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2); 2742 rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3); 2743 rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4); 2744 rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5); 2745 rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); 2746 rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); 2747 if (rdev->num_crtc >= 4) { 2748 rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); 2749 rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); 2750 } 2751 if (rdev->num_crtc >= 6) { 2752 rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); 2753 rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); 2754 } 2755 2756 rdev->irq.stat_regs.evergreen.afmt_status1 = RREG32(AFMT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); 2757 rdev->irq.stat_regs.evergreen.afmt_status2 = RREG32(AFMT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); 2758 rdev->irq.stat_regs.evergreen.afmt_status3 = RREG32(AFMT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); 2759 rdev->irq.stat_regs.evergreen.afmt_status4 = RREG32(AFMT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); 2760 rdev->irq.stat_regs.evergreen.afmt_status5 = RREG32(AFMT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); 2761 rdev->irq.stat_regs.evergreen.afmt_status6 = RREG32(AFMT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); 2762 2763 if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED) 2764 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 2765 if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED) 2766 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 2767 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) 2768 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK); 2769 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) 2770 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK); 2771 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) 2772 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK); 2773 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) 2774 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK); 2775 2776 if (rdev->num_crtc >= 4) { 2777 if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED) 2778 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 2779 if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED) 2780 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 2781 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) 2782 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK); 2783 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) 2784 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK); 2785 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) 2786 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK); 2787 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) 2788 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK); 2789 } 2790 2791 if (rdev->num_crtc >= 6) { 2792 if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED) 2793 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 2794 if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED) 2795 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); 2796 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) 2797 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK); 2798 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) 2799 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK); 2800 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) 2801 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK); 2802 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) 2803 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK); 2804 } 2805 2806 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { 2807 tmp = RREG32(DC_HPD1_INT_CONTROL); 2808 tmp |= DC_HPDx_INT_ACK; 2809 WREG32(DC_HPD1_INT_CONTROL, tmp); 2810 } 2811 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { 2812 tmp = RREG32(DC_HPD2_INT_CONTROL); 2813 tmp |= DC_HPDx_INT_ACK; 2814 WREG32(DC_HPD2_INT_CONTROL, tmp); 2815 } 2816 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { 2817 tmp = RREG32(DC_HPD3_INT_CONTROL); 2818 tmp |= DC_HPDx_INT_ACK; 2819 WREG32(DC_HPD3_INT_CONTROL, tmp); 2820 } 2821 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { 2822 tmp = RREG32(DC_HPD4_INT_CONTROL); 2823 tmp |= DC_HPDx_INT_ACK; 2824 WREG32(DC_HPD4_INT_CONTROL, tmp); 2825 } 2826 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { 2827 tmp = RREG32(DC_HPD5_INT_CONTROL); 2828 tmp |= DC_HPDx_INT_ACK; 2829 WREG32(DC_HPD5_INT_CONTROL, tmp); 2830 } 2831 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { 2832 tmp = RREG32(DC_HPD5_INT_CONTROL); 2833 tmp |= DC_HPDx_INT_ACK; 2834 WREG32(DC_HPD6_INT_CONTROL, tmp); 2835 } 2836 if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) { 2837 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET); 2838 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 2839 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, tmp); 2840 } 2841 if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) { 2842 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); 2843 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 2844 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, tmp); 2845 } 2846 if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) { 2847 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET); 2848 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 2849 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, tmp); 2850 } 2851 if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) { 2852 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); 2853 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 2854 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, tmp); 2855 } 2856 if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) { 2857 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET); 2858 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 2859 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, tmp); 2860 } 2861 if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) { 2862 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); 2863 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 2864 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, tmp); 2865 } 2866 } 2867 2868 static void evergreen_irq_disable(struct radeon_device *rdev) 2869 { 2870 r600_disable_interrupts(rdev); 2871 /* Wait and acknowledge irq */ 2872 mdelay(1); 2873 evergreen_irq_ack(rdev); 2874 evergreen_disable_interrupt_state(rdev); 2875 } 2876 2877 void evergreen_irq_suspend(struct radeon_device *rdev) 2878 { 2879 evergreen_irq_disable(rdev); 2880 r600_rlc_stop(rdev); 2881 } 2882 2883 static u32 evergreen_get_ih_wptr(struct radeon_device *rdev) 2884 { 2885 u32 wptr, tmp; 2886 2887 if (rdev->wb.enabled) 2888 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); 2889 else 2890 wptr = RREG32(IH_RB_WPTR); 2891 2892 if (wptr & RB_OVERFLOW) { 2893 /* When a ring buffer overflow happen start parsing interrupt 2894 * from the last not overwritten vector (wptr + 16). Hopefully 2895 * this should allow us to catchup. 2896 */ 2897 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", 2898 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); 2899 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; 2900 tmp = RREG32(IH_RB_CNTL); 2901 tmp |= IH_WPTR_OVERFLOW_CLEAR; 2902 WREG32(IH_RB_CNTL, tmp); 2903 } 2904 return (wptr & rdev->ih.ptr_mask); 2905 } 2906 2907 int evergreen_irq_process(struct radeon_device *rdev) 2908 { 2909 u32 wptr; 2910 u32 rptr; 2911 u32 src_id, src_data; 2912 u32 ring_index; 2913 bool queue_hotplug = false; 2914 bool queue_hdmi = false; 2915 2916 if (!rdev->ih.enabled || rdev->shutdown) 2917 return IRQ_NONE; 2918 2919 wptr = evergreen_get_ih_wptr(rdev); 2920 2921 restart_ih: 2922 /* is somebody else already processing irqs? */ 2923 if (atomic_xchg(&rdev->ih.lock, 1)) 2924 return IRQ_NONE; 2925 2926 rptr = rdev->ih.rptr; 2927 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 2928 2929 /* Order reading of wptr vs. reading of IH ring data */ 2930 rmb(); 2931 2932 /* display interrupts */ 2933 evergreen_irq_ack(rdev); 2934 2935 while (rptr != wptr) { 2936 /* wptr/rptr are in bytes! */ 2937 ring_index = rptr / 4; 2938 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 2939 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 2940 2941 switch (src_id) { 2942 case 1: /* D1 vblank/vline */ 2943 switch (src_data) { 2944 case 0: /* D1 vblank */ 2945 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) { 2946 if (rdev->irq.crtc_vblank_int[0]) { 2947 drm_handle_vblank(rdev->ddev, 0); 2948 rdev->pm.vblank_sync = true; 2949 wake_up(&rdev->irq.vblank_queue); 2950 } 2951 if (atomic_read(&rdev->irq.pflip[0])) 2952 radeon_crtc_handle_flip(rdev, 0); 2953 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT; 2954 DRM_DEBUG("IH: D1 vblank\n"); 2955 } 2956 break; 2957 case 1: /* D1 vline */ 2958 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) { 2959 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT; 2960 DRM_DEBUG("IH: D1 vline\n"); 2961 } 2962 break; 2963 default: 2964 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 2965 break; 2966 } 2967 break; 2968 case 2: /* D2 vblank/vline */ 2969 switch (src_data) { 2970 case 0: /* D2 vblank */ 2971 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) { 2972 if (rdev->irq.crtc_vblank_int[1]) { 2973 drm_handle_vblank(rdev->ddev, 1); 2974 rdev->pm.vblank_sync = true; 2975 wake_up(&rdev->irq.vblank_queue); 2976 } 2977 if (atomic_read(&rdev->irq.pflip[1])) 2978 radeon_crtc_handle_flip(rdev, 1); 2979 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; 2980 DRM_DEBUG("IH: D2 vblank\n"); 2981 } 2982 break; 2983 case 1: /* D2 vline */ 2984 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) { 2985 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; 2986 DRM_DEBUG("IH: D2 vline\n"); 2987 } 2988 break; 2989 default: 2990 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 2991 break; 2992 } 2993 break; 2994 case 3: /* D3 vblank/vline */ 2995 switch (src_data) { 2996 case 0: /* D3 vblank */ 2997 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { 2998 if (rdev->irq.crtc_vblank_int[2]) { 2999 drm_handle_vblank(rdev->ddev, 2); 3000 rdev->pm.vblank_sync = true; 3001 wake_up(&rdev->irq.vblank_queue); 3002 } 3003 if (atomic_read(&rdev->irq.pflip[2])) 3004 radeon_crtc_handle_flip(rdev, 2); 3005 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; 3006 DRM_DEBUG("IH: D3 vblank\n"); 3007 } 3008 break; 3009 case 1: /* D3 vline */ 3010 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) { 3011 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; 3012 DRM_DEBUG("IH: D3 vline\n"); 3013 } 3014 break; 3015 default: 3016 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3017 break; 3018 } 3019 break; 3020 case 4: /* D4 vblank/vline */ 3021 switch (src_data) { 3022 case 0: /* D4 vblank */ 3023 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { 3024 if (rdev->irq.crtc_vblank_int[3]) { 3025 drm_handle_vblank(rdev->ddev, 3); 3026 rdev->pm.vblank_sync = true; 3027 wake_up(&rdev->irq.vblank_queue); 3028 } 3029 if (atomic_read(&rdev->irq.pflip[3])) 3030 radeon_crtc_handle_flip(rdev, 3); 3031 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; 3032 DRM_DEBUG("IH: D4 vblank\n"); 3033 } 3034 break; 3035 case 1: /* D4 vline */ 3036 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) { 3037 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; 3038 DRM_DEBUG("IH: D4 vline\n"); 3039 } 3040 break; 3041 default: 3042 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3043 break; 3044 } 3045 break; 3046 case 5: /* D5 vblank/vline */ 3047 switch (src_data) { 3048 case 0: /* D5 vblank */ 3049 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { 3050 if (rdev->irq.crtc_vblank_int[4]) { 3051 drm_handle_vblank(rdev->ddev, 4); 3052 rdev->pm.vblank_sync = true; 3053 wake_up(&rdev->irq.vblank_queue); 3054 } 3055 if (atomic_read(&rdev->irq.pflip[4])) 3056 radeon_crtc_handle_flip(rdev, 4); 3057 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; 3058 DRM_DEBUG("IH: D5 vblank\n"); 3059 } 3060 break; 3061 case 1: /* D5 vline */ 3062 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) { 3063 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; 3064 DRM_DEBUG("IH: D5 vline\n"); 3065 } 3066 break; 3067 default: 3068 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3069 break; 3070 } 3071 break; 3072 case 6: /* D6 vblank/vline */ 3073 switch (src_data) { 3074 case 0: /* D6 vblank */ 3075 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { 3076 if (rdev->irq.crtc_vblank_int[5]) { 3077 drm_handle_vblank(rdev->ddev, 5); 3078 rdev->pm.vblank_sync = true; 3079 wake_up(&rdev->irq.vblank_queue); 3080 } 3081 if (atomic_read(&rdev->irq.pflip[5])) 3082 radeon_crtc_handle_flip(rdev, 5); 3083 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; 3084 DRM_DEBUG("IH: D6 vblank\n"); 3085 } 3086 break; 3087 case 1: /* D6 vline */ 3088 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) { 3089 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; 3090 DRM_DEBUG("IH: D6 vline\n"); 3091 } 3092 break; 3093 default: 3094 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3095 break; 3096 } 3097 break; 3098 case 42: /* HPD hotplug */ 3099 switch (src_data) { 3100 case 0: 3101 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { 3102 rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT; 3103 queue_hotplug = true; 3104 DRM_DEBUG("IH: HPD1\n"); 3105 } 3106 break; 3107 case 1: 3108 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { 3109 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT; 3110 queue_hotplug = true; 3111 DRM_DEBUG("IH: HPD2\n"); 3112 } 3113 break; 3114 case 2: 3115 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { 3116 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; 3117 queue_hotplug = true; 3118 DRM_DEBUG("IH: HPD3\n"); 3119 } 3120 break; 3121 case 3: 3122 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { 3123 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; 3124 queue_hotplug = true; 3125 DRM_DEBUG("IH: HPD4\n"); 3126 } 3127 break; 3128 case 4: 3129 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { 3130 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; 3131 queue_hotplug = true; 3132 DRM_DEBUG("IH: HPD5\n"); 3133 } 3134 break; 3135 case 5: 3136 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { 3137 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; 3138 queue_hotplug = true; 3139 DRM_DEBUG("IH: HPD6\n"); 3140 } 3141 break; 3142 default: 3143 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3144 break; 3145 } 3146 break; 3147 case 44: /* hdmi */ 3148 switch (src_data) { 3149 case 0: 3150 if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) { 3151 rdev->irq.stat_regs.evergreen.afmt_status1 &= ~AFMT_AZ_FORMAT_WTRIG; 3152 queue_hdmi = true; 3153 DRM_DEBUG("IH: HDMI0\n"); 3154 } 3155 break; 3156 case 1: 3157 if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) { 3158 rdev->irq.stat_regs.evergreen.afmt_status2 &= ~AFMT_AZ_FORMAT_WTRIG; 3159 queue_hdmi = true; 3160 DRM_DEBUG("IH: HDMI1\n"); 3161 } 3162 break; 3163 case 2: 3164 if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) { 3165 rdev->irq.stat_regs.evergreen.afmt_status3 &= ~AFMT_AZ_FORMAT_WTRIG; 3166 queue_hdmi = true; 3167 DRM_DEBUG("IH: HDMI2\n"); 3168 } 3169 break; 3170 case 3: 3171 if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) { 3172 rdev->irq.stat_regs.evergreen.afmt_status4 &= ~AFMT_AZ_FORMAT_WTRIG; 3173 queue_hdmi = true; 3174 DRM_DEBUG("IH: HDMI3\n"); 3175 } 3176 break; 3177 case 4: 3178 if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) { 3179 rdev->irq.stat_regs.evergreen.afmt_status5 &= ~AFMT_AZ_FORMAT_WTRIG; 3180 queue_hdmi = true; 3181 DRM_DEBUG("IH: HDMI4\n"); 3182 } 3183 break; 3184 case 5: 3185 if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) { 3186 rdev->irq.stat_regs.evergreen.afmt_status6 &= ~AFMT_AZ_FORMAT_WTRIG; 3187 queue_hdmi = true; 3188 DRM_DEBUG("IH: HDMI5\n"); 3189 } 3190 break; 3191 default: 3192 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); 3193 break; 3194 } 3195 break; 3196 case 146: 3197 case 147: 3198 dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data); 3199 dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 3200 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR)); 3201 dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 3202 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); 3203 /* reset addr and status */ 3204 WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); 3205 break; 3206 case 176: /* CP_INT in ring buffer */ 3207 case 177: /* CP_INT in IB1 */ 3208 case 178: /* CP_INT in IB2 */ 3209 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); 3210 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 3211 break; 3212 case 181: /* CP EOP event */ 3213 DRM_DEBUG("IH: CP EOP\n"); 3214 if (rdev->family >= CHIP_CAYMAN) { 3215 switch (src_data) { 3216 case 0: 3217 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 3218 break; 3219 case 1: 3220 radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX); 3221 break; 3222 case 2: 3223 radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX); 3224 break; 3225 } 3226 } else 3227 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 3228 break; 3229 case 224: /* DMA trap event */ 3230 DRM_DEBUG("IH: DMA trap\n"); 3231 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX); 3232 break; 3233 case 233: /* GUI IDLE */ 3234 DRM_DEBUG("IH: GUI idle\n"); 3235 break; 3236 case 244: /* DMA trap event */ 3237 if (rdev->family >= CHIP_CAYMAN) { 3238 DRM_DEBUG("IH: DMA1 trap\n"); 3239 radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX); 3240 } 3241 break; 3242 default: 3243 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3244 break; 3245 } 3246 3247 /* wptr/rptr are in bytes! */ 3248 rptr += 16; 3249 rptr &= rdev->ih.ptr_mask; 3250 } 3251 if (queue_hotplug) 3252 schedule_work(&rdev->hotplug_work); 3253 if (queue_hdmi) 3254 schedule_work(&rdev->audio_work); 3255 rdev->ih.rptr = rptr; 3256 WREG32(IH_RB_RPTR, rdev->ih.rptr); 3257 atomic_set(&rdev->ih.lock, 0); 3258 3259 /* make sure wptr hasn't changed while processing */ 3260 wptr = evergreen_get_ih_wptr(rdev); 3261 if (wptr != rptr) 3262 goto restart_ih; 3263 3264 return IRQ_HANDLED; 3265 } 3266 3267 /** 3268 * evergreen_dma_fence_ring_emit - emit a fence on the DMA ring 3269 * 3270 * @rdev: radeon_device pointer 3271 * @fence: radeon fence object 3272 * 3273 * Add a DMA fence packet to the ring to write 3274 * the fence seq number and DMA trap packet to generate 3275 * an interrupt if needed (evergreen-SI). 3276 */ 3277 void evergreen_dma_fence_ring_emit(struct radeon_device *rdev, 3278 struct radeon_fence *fence) 3279 { 3280 struct radeon_ring *ring = &rdev->ring[fence->ring]; 3281 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 3282 /* write the fence */ 3283 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0, 0)); 3284 radeon_ring_write(ring, addr & 0xfffffffc); 3285 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff)); 3286 radeon_ring_write(ring, fence->seq); 3287 /* generate an interrupt */ 3288 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0)); 3289 /* flush HDP */ 3290 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); 3291 radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2)); 3292 radeon_ring_write(ring, 1); 3293 } 3294 3295 /** 3296 * evergreen_dma_ring_ib_execute - schedule an IB on the DMA engine 3297 * 3298 * @rdev: radeon_device pointer 3299 * @ib: IB object to schedule 3300 * 3301 * Schedule an IB in the DMA ring (evergreen). 3302 */ 3303 void evergreen_dma_ring_ib_execute(struct radeon_device *rdev, 3304 struct radeon_ib *ib) 3305 { 3306 struct radeon_ring *ring = &rdev->ring[ib->ring]; 3307 3308 if (rdev->wb.enabled) { 3309 u32 next_rptr = ring->wptr + 4; 3310 while ((next_rptr & 7) != 5) 3311 next_rptr++; 3312 next_rptr += 3; 3313 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1)); 3314 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); 3315 radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff); 3316 radeon_ring_write(ring, next_rptr); 3317 } 3318 3319 /* The indirect buffer packet must end on an 8 DW boundary in the DMA ring. 3320 * Pad as necessary with NOPs. 3321 */ 3322 while ((ring->wptr & 7) != 5) 3323 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); 3324 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0, 0)); 3325 radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0)); 3326 radeon_ring_write(ring, (ib->length_dw << 12) | (upper_32_bits(ib->gpu_addr) & 0xFF)); 3327 3328 } 3329 3330 /** 3331 * evergreen_copy_dma - copy pages using the DMA engine 3332 * 3333 * @rdev: radeon_device pointer 3334 * @src_offset: src GPU address 3335 * @dst_offset: dst GPU address 3336 * @num_gpu_pages: number of GPU pages to xfer 3337 * @fence: radeon fence object 3338 * 3339 * Copy GPU paging using the DMA engine (evergreen-cayman). 3340 * Used by the radeon ttm implementation to move pages if 3341 * registered as the asic copy callback. 3342 */ 3343 int evergreen_copy_dma(struct radeon_device *rdev, 3344 uint64_t src_offset, uint64_t dst_offset, 3345 unsigned num_gpu_pages, 3346 struct radeon_fence **fence) 3347 { 3348 struct radeon_semaphore *sem = NULL; 3349 int ring_index = rdev->asic->copy.dma_ring_index; 3350 struct radeon_ring *ring = &rdev->ring[ring_index]; 3351 u32 size_in_dw, cur_size_in_dw; 3352 int i, num_loops; 3353 int r = 0; 3354 3355 r = radeon_semaphore_create(rdev, &sem); 3356 if (r) { 3357 DRM_ERROR("radeon: moving bo (%d).\n", r); 3358 return r; 3359 } 3360 3361 size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4; 3362 num_loops = DIV_ROUND_UP(size_in_dw, 0xfffff); 3363 r = radeon_ring_lock(rdev, ring, num_loops * 5 + 11); 3364 if (r) { 3365 DRM_ERROR("radeon: moving bo (%d).\n", r); 3366 radeon_semaphore_free(rdev, &sem, NULL); 3367 return r; 3368 } 3369 3370 if (radeon_fence_need_sync(*fence, ring->idx)) { 3371 radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring, 3372 ring->idx); 3373 radeon_fence_note_sync(*fence, ring->idx); 3374 } else { 3375 radeon_semaphore_free(rdev, &sem, NULL); 3376 } 3377 3378 for (i = 0; i < num_loops; i++) { 3379 cur_size_in_dw = size_in_dw; 3380 if (cur_size_in_dw > 0xFFFFF) 3381 cur_size_in_dw = 0xFFFFF; 3382 size_in_dw -= cur_size_in_dw; 3383 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw)); 3384 radeon_ring_write(ring, dst_offset & 0xfffffffc); 3385 radeon_ring_write(ring, src_offset & 0xfffffffc); 3386 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); 3387 radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff); 3388 src_offset += cur_size_in_dw * 4; 3389 dst_offset += cur_size_in_dw * 4; 3390 } 3391 3392 r = radeon_fence_emit(rdev, fence, ring->idx); 3393 if (r) { 3394 radeon_ring_unlock_undo(rdev, ring); 3395 return r; 3396 } 3397 3398 radeon_ring_unlock_commit(rdev, ring); 3399 radeon_semaphore_free(rdev, &sem, *fence); 3400 3401 return r; 3402 } 3403 3404 static int evergreen_startup(struct radeon_device *rdev) 3405 { 3406 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 3407 int r; 3408 3409 /* enable pcie gen2 link */ 3410 evergreen_pcie_gen2_enable(rdev); 3411 3412 if (ASIC_IS_DCE5(rdev)) { 3413 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { 3414 r = ni_init_microcode(rdev); 3415 if (r) { 3416 DRM_ERROR("Failed to load firmware!\n"); 3417 return r; 3418 } 3419 } 3420 r = ni_mc_load_microcode(rdev); 3421 if (r) { 3422 DRM_ERROR("Failed to load MC firmware!\n"); 3423 return r; 3424 } 3425 } else { 3426 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 3427 r = r600_init_microcode(rdev); 3428 if (r) { 3429 DRM_ERROR("Failed to load firmware!\n"); 3430 return r; 3431 } 3432 } 3433 } 3434 3435 r = r600_vram_scratch_init(rdev); 3436 if (r) 3437 return r; 3438 3439 evergreen_mc_program(rdev); 3440 if (rdev->flags & RADEON_IS_AGP) { 3441 evergreen_agp_enable(rdev); 3442 } else { 3443 r = evergreen_pcie_gart_enable(rdev); 3444 if (r) 3445 return r; 3446 } 3447 evergreen_gpu_init(rdev); 3448 3449 r = evergreen_blit_init(rdev); 3450 if (r) { 3451 r600_blit_fini(rdev); 3452 rdev->asic->copy.copy = NULL; 3453 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); 3454 } 3455 3456 /* allocate wb buffer */ 3457 r = radeon_wb_init(rdev); 3458 if (r) 3459 return r; 3460 3461 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 3462 if (r) { 3463 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 3464 return r; 3465 } 3466 3467 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX); 3468 if (r) { 3469 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); 3470 return r; 3471 } 3472 3473 /* Enable IRQ */ 3474 r = r600_irq_init(rdev); 3475 if (r) { 3476 DRM_ERROR("radeon: IH init failed (%d).\n", r); 3477 radeon_irq_kms_fini(rdev); 3478 return r; 3479 } 3480 evergreen_irq_set(rdev); 3481 3482 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 3483 R600_CP_RB_RPTR, R600_CP_RB_WPTR, 3484 0, 0xfffff, RADEON_CP_PACKET2); 3485 if (r) 3486 return r; 3487 3488 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; 3489 r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, 3490 DMA_RB_RPTR, DMA_RB_WPTR, 3491 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); 3492 if (r) 3493 return r; 3494 3495 r = evergreen_cp_load_microcode(rdev); 3496 if (r) 3497 return r; 3498 r = evergreen_cp_resume(rdev); 3499 if (r) 3500 return r; 3501 r = r600_dma_resume(rdev); 3502 if (r) 3503 return r; 3504 3505 r = radeon_ib_pool_init(rdev); 3506 if (r) { 3507 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 3508 return r; 3509 } 3510 3511 r = r600_audio_init(rdev); 3512 if (r) { 3513 DRM_ERROR("radeon: audio init failed\n"); 3514 return r; 3515 } 3516 3517 return 0; 3518 } 3519 3520 int evergreen_resume(struct radeon_device *rdev) 3521 { 3522 int r; 3523 3524 /* reset the asic, the gfx blocks are often in a bad state 3525 * after the driver is unloaded or after a resume 3526 */ 3527 if (radeon_asic_reset(rdev)) 3528 dev_warn(rdev->dev, "GPU reset failed !\n"); 3529 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, 3530 * posting will perform necessary task to bring back GPU into good 3531 * shape. 3532 */ 3533 /* post card */ 3534 atom_asic_init(rdev->mode_info.atom_context); 3535 3536 rdev->accel_working = true; 3537 r = evergreen_startup(rdev); 3538 if (r) { 3539 DRM_ERROR("evergreen startup failed on resume\n"); 3540 rdev->accel_working = false; 3541 return r; 3542 } 3543 3544 return r; 3545 3546 } 3547 3548 int evergreen_suspend(struct radeon_device *rdev) 3549 { 3550 r600_audio_fini(rdev); 3551 r700_cp_stop(rdev); 3552 r600_dma_stop(rdev); 3553 evergreen_irq_suspend(rdev); 3554 radeon_wb_disable(rdev); 3555 evergreen_pcie_gart_disable(rdev); 3556 3557 return 0; 3558 } 3559 3560 /* Plan is to move initialization in that function and use 3561 * helper function so that radeon_device_init pretty much 3562 * do nothing more than calling asic specific function. This 3563 * should also allow to remove a bunch of callback function 3564 * like vram_info. 3565 */ 3566 int evergreen_init(struct radeon_device *rdev) 3567 { 3568 int r; 3569 3570 /* Read BIOS */ 3571 if (!radeon_get_bios(rdev)) { 3572 if (ASIC_IS_AVIVO(rdev)) 3573 return -EINVAL; 3574 } 3575 /* Must be an ATOMBIOS */ 3576 if (!rdev->is_atom_bios) { 3577 dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n"); 3578 return -EINVAL; 3579 } 3580 r = radeon_atombios_init(rdev); 3581 if (r) 3582 return r; 3583 /* reset the asic, the gfx blocks are often in a bad state 3584 * after the driver is unloaded or after a resume 3585 */ 3586 if (radeon_asic_reset(rdev)) 3587 dev_warn(rdev->dev, "GPU reset failed !\n"); 3588 /* Post card if necessary */ 3589 if (!radeon_card_posted(rdev)) { 3590 if (!rdev->bios) { 3591 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 3592 return -EINVAL; 3593 } 3594 DRM_INFO("GPU not posted. posting now...\n"); 3595 atom_asic_init(rdev->mode_info.atom_context); 3596 } 3597 /* Initialize scratch registers */ 3598 r600_scratch_init(rdev); 3599 /* Initialize surface registers */ 3600 radeon_surface_init(rdev); 3601 /* Initialize clocks */ 3602 radeon_get_clock_info(rdev->ddev); 3603 /* Fence driver */ 3604 r = radeon_fence_driver_init(rdev); 3605 if (r) 3606 return r; 3607 /* initialize AGP */ 3608 if (rdev->flags & RADEON_IS_AGP) { 3609 r = radeon_agp_init(rdev); 3610 if (r) 3611 radeon_agp_disable(rdev); 3612 } 3613 /* initialize memory controller */ 3614 r = evergreen_mc_init(rdev); 3615 if (r) 3616 return r; 3617 /* Memory manager */ 3618 r = radeon_bo_init(rdev); 3619 if (r) 3620 return r; 3621 3622 r = radeon_irq_kms_init(rdev); 3623 if (r) 3624 return r; 3625 3626 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL; 3627 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024); 3628 3629 rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL; 3630 r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024); 3631 3632 rdev->ih.ring_obj = NULL; 3633 r600_ih_ring_init(rdev, 64 * 1024); 3634 3635 r = r600_pcie_gart_init(rdev); 3636 if (r) 3637 return r; 3638 3639 rdev->accel_working = true; 3640 r = evergreen_startup(rdev); 3641 if (r) { 3642 dev_err(rdev->dev, "disabling GPU acceleration\n"); 3643 r700_cp_fini(rdev); 3644 r600_dma_fini(rdev); 3645 r600_irq_fini(rdev); 3646 radeon_wb_fini(rdev); 3647 radeon_ib_pool_fini(rdev); 3648 radeon_irq_kms_fini(rdev); 3649 evergreen_pcie_gart_fini(rdev); 3650 rdev->accel_working = false; 3651 } 3652 3653 /* Don't start up if the MC ucode is missing on BTC parts. 3654 * The default clocks and voltages before the MC ucode 3655 * is loaded are not suffient for advanced operations. 3656 */ 3657 if (ASIC_IS_DCE5(rdev)) { 3658 if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) { 3659 DRM_ERROR("radeon: MC ucode required for NI+.\n"); 3660 return -EINVAL; 3661 } 3662 } 3663 3664 return 0; 3665 } 3666 3667 void evergreen_fini(struct radeon_device *rdev) 3668 { 3669 r600_audio_fini(rdev); 3670 r600_blit_fini(rdev); 3671 r700_cp_fini(rdev); 3672 r600_dma_fini(rdev); 3673 r600_irq_fini(rdev); 3674 radeon_wb_fini(rdev); 3675 radeon_ib_pool_fini(rdev); 3676 radeon_irq_kms_fini(rdev); 3677 evergreen_pcie_gart_fini(rdev); 3678 r600_vram_scratch_fini(rdev); 3679 radeon_gem_fini(rdev); 3680 radeon_fence_driver_fini(rdev); 3681 radeon_agp_fini(rdev); 3682 radeon_bo_fini(rdev); 3683 radeon_atombios_fini(rdev); 3684 kfree(rdev->bios); 3685 rdev->bios = NULL; 3686 } 3687 3688 void evergreen_pcie_gen2_enable(struct radeon_device *rdev) 3689 { 3690 u32 link_width_cntl, speed_cntl, mask; 3691 int ret; 3692 3693 if (radeon_pcie_gen2 == 0) 3694 return; 3695 3696 if (rdev->flags & RADEON_IS_IGP) 3697 return; 3698 3699 if (!(rdev->flags & RADEON_IS_PCIE)) 3700 return; 3701 3702 /* x2 cards have a special sequence */ 3703 if (ASIC_IS_X2(rdev)) 3704 return; 3705 3706 ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask); 3707 if (ret != 0) 3708 return; 3709 3710 if (!(mask & DRM_PCIE_SPEED_50)) 3711 return; 3712 3713 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3714 if (speed_cntl & LC_CURRENT_DATA_RATE) { 3715 DRM_INFO("PCIE gen 2 link speeds already enabled\n"); 3716 return; 3717 } 3718 3719 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n"); 3720 3721 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) || 3722 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { 3723 3724 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); 3725 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 3726 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3727 3728 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3729 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; 3730 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3731 3732 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3733 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT; 3734 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3735 3736 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3737 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT; 3738 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3739 3740 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3741 speed_cntl |= LC_GEN2_EN_STRAP; 3742 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3743 3744 } else { 3745 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); 3746 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ 3747 if (1) 3748 link_width_cntl |= LC_UPCONFIGURE_DIS; 3749 else 3750 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 3751 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3752 } 3753 } 3754