1 /* 2 * Copyright 2014 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 */ 23 #include "drmP.h" 24 #include "amdgpu.h" 25 #include "amdgpu_pm.h" 26 #include "amdgpu_i2c.h" 27 #include "cikd.h" 28 #include "atom.h" 29 #include "amdgpu_atombios.h" 30 #include "atombios_crtc.h" 31 #include "atombios_encoders.h" 32 #include "amdgpu_pll.h" 33 #include "amdgpu_connectors.h" 34 35 #include "dce/dce_8_0_d.h" 36 #include "dce/dce_8_0_sh_mask.h" 37 38 #include "gca/gfx_7_2_enum.h" 39 40 #include "gmc/gmc_7_1_d.h" 41 #include "gmc/gmc_7_1_sh_mask.h" 42 43 #include "oss/oss_2_0_d.h" 44 #include "oss/oss_2_0_sh_mask.h" 45 46 static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev); 47 static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev); 48 49 static const u32 crtc_offsets[6] = 50 { 51 CRTC0_REGISTER_OFFSET, 52 CRTC1_REGISTER_OFFSET, 53 CRTC2_REGISTER_OFFSET, 54 CRTC3_REGISTER_OFFSET, 55 CRTC4_REGISTER_OFFSET, 56 CRTC5_REGISTER_OFFSET 57 }; 58 59 static const uint32_t dig_offsets[] = { 60 CRTC0_REGISTER_OFFSET, 61 CRTC1_REGISTER_OFFSET, 62 CRTC2_REGISTER_OFFSET, 63 CRTC3_REGISTER_OFFSET, 64 CRTC4_REGISTER_OFFSET, 65 CRTC5_REGISTER_OFFSET, 66 (0x13830 - 0x7030) >> 2, 67 }; 68 69 static const struct { 70 uint32_t reg; 71 uint32_t vblank; 72 uint32_t vline; 73 uint32_t hpd; 74 75 } interrupt_status_offsets[6] = { { 76 .reg = mmDISP_INTERRUPT_STATUS, 77 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK, 78 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK, 79 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK 80 }, { 81 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE, 82 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK, 83 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK, 84 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK 85 }, { 86 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2, 87 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK, 88 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK, 89 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK 90 }, { 91 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3, 92 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK, 93 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK, 94 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK 95 }, { 96 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4, 97 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK, 98 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK, 99 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK 100 }, { 101 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5, 102 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK, 103 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK, 104 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK 105 } }; 106 107 static const uint32_t hpd_int_control_offsets[6] = { 108 mmDC_HPD1_INT_CONTROL, 109 mmDC_HPD2_INT_CONTROL, 110 mmDC_HPD3_INT_CONTROL, 111 mmDC_HPD4_INT_CONTROL, 112 mmDC_HPD5_INT_CONTROL, 113 mmDC_HPD6_INT_CONTROL, 114 }; 115 116 static u32 dce_v8_0_audio_endpt_rreg(struct amdgpu_device *adev, 117 u32 block_offset, u32 reg) 118 { 119 unsigned long flags; 120 u32 r; 121 122 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 123 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 124 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset); 125 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 126 127 return r; 128 } 129 130 static void dce_v8_0_audio_endpt_wreg(struct amdgpu_device *adev, 131 u32 block_offset, u32 reg, u32 v) 132 { 133 unsigned long flags; 134 135 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 136 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 137 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v); 138 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 139 } 140 141 static bool dce_v8_0_is_in_vblank(struct amdgpu_device *adev, int crtc) 142 { 143 if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) & 144 CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK) 145 return true; 146 else 147 return false; 148 } 149 150 static bool dce_v8_0_is_counter_moving(struct amdgpu_device *adev, int crtc) 151 { 152 u32 pos1, pos2; 153 154 pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 155 pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 156 157 if (pos1 != pos2) 158 return true; 159 else 160 return false; 161 } 162 163 /** 164 * dce_v8_0_vblank_wait - vblank wait asic callback. 165 * 166 * @adev: amdgpu_device pointer 167 * @crtc: crtc to wait for vblank on 168 * 169 * Wait for vblank on the requested crtc (evergreen+). 170 */ 171 static void dce_v8_0_vblank_wait(struct amdgpu_device *adev, int crtc) 172 { 173 unsigned i = 0; 174 175 if (crtc >= adev->mode_info.num_crtc) 176 return; 177 178 if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK)) 179 return; 180 181 /* depending on when we hit vblank, we may be close to active; if so, 182 * wait for another frame. 183 */ 184 while (dce_v8_0_is_in_vblank(adev, crtc)) { 185 if (i++ % 100 == 0) { 186 if (!dce_v8_0_is_counter_moving(adev, crtc)) 187 break; 188 } 189 } 190 191 while (!dce_v8_0_is_in_vblank(adev, crtc)) { 192 if (i++ % 100 == 0) { 193 if (!dce_v8_0_is_counter_moving(adev, crtc)) 194 break; 195 } 196 } 197 } 198 199 static u32 dce_v8_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) 200 { 201 if (crtc >= adev->mode_info.num_crtc) 202 return 0; 203 else 204 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 205 } 206 207 /** 208 * dce_v8_0_page_flip - pageflip callback. 209 * 210 * @adev: amdgpu_device pointer 211 * @crtc_id: crtc to cleanup pageflip on 212 * @crtc_base: new address of the crtc (GPU MC address) 213 * 214 * Does the actual pageflip (evergreen+). 215 * During vblank we take the crtc lock and wait for the update_pending 216 * bit to go high, when it does, we release the lock, and allow the 217 * double buffered update to take place. 218 * Returns the current update pending status. 219 */ 220 static void dce_v8_0_page_flip(struct amdgpu_device *adev, 221 int crtc_id, u64 crtc_base) 222 { 223 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 224 u32 tmp = RREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset); 225 int i; 226 227 /* Lock the graphics update lock */ 228 tmp |= GRPH_UPDATE__GRPH_UPDATE_LOCK_MASK; 229 WREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset, tmp); 230 231 /* update the scanout addresses */ 232 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 233 upper_32_bits(crtc_base)); 234 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 235 (u32)crtc_base); 236 237 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 238 upper_32_bits(crtc_base)); 239 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 240 (u32)crtc_base); 241 242 /* Wait for update_pending to go high. */ 243 for (i = 0; i < adev->usec_timeout; i++) { 244 if (RREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset) & 245 GRPH_UPDATE__GRPH_SURFACE_UPDATE_PENDING_MASK) 246 break; 247 udelay(1); 248 } 249 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); 250 251 /* Unlock the lock, so double-buffering can take place inside vblank */ 252 tmp &= ~GRPH_UPDATE__GRPH_UPDATE_LOCK_MASK; 253 WREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset, tmp); 254 } 255 256 static int dce_v8_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 257 u32 *vbl, u32 *position) 258 { 259 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 260 return -EINVAL; 261 262 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 263 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 264 265 return 0; 266 } 267 268 /** 269 * dce_v8_0_hpd_sense - hpd sense callback. 270 * 271 * @adev: amdgpu_device pointer 272 * @hpd: hpd (hotplug detect) pin 273 * 274 * Checks if a digital monitor is connected (evergreen+). 275 * Returns true if connected, false if not connected. 276 */ 277 static bool dce_v8_0_hpd_sense(struct amdgpu_device *adev, 278 enum amdgpu_hpd_id hpd) 279 { 280 bool connected = false; 281 282 switch (hpd) { 283 case AMDGPU_HPD_1: 284 if (RREG32(mmDC_HPD1_INT_STATUS) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK) 285 connected = true; 286 break; 287 case AMDGPU_HPD_2: 288 if (RREG32(mmDC_HPD2_INT_STATUS) & DC_HPD2_INT_STATUS__DC_HPD2_SENSE_MASK) 289 connected = true; 290 break; 291 case AMDGPU_HPD_3: 292 if (RREG32(mmDC_HPD3_INT_STATUS) & DC_HPD3_INT_STATUS__DC_HPD3_SENSE_MASK) 293 connected = true; 294 break; 295 case AMDGPU_HPD_4: 296 if (RREG32(mmDC_HPD4_INT_STATUS) & DC_HPD4_INT_STATUS__DC_HPD4_SENSE_MASK) 297 connected = true; 298 break; 299 case AMDGPU_HPD_5: 300 if (RREG32(mmDC_HPD5_INT_STATUS) & DC_HPD5_INT_STATUS__DC_HPD5_SENSE_MASK) 301 connected = true; 302 break; 303 case AMDGPU_HPD_6: 304 if (RREG32(mmDC_HPD6_INT_STATUS) & DC_HPD6_INT_STATUS__DC_HPD6_SENSE_MASK) 305 connected = true; 306 break; 307 default: 308 break; 309 } 310 311 return connected; 312 } 313 314 /** 315 * dce_v8_0_hpd_set_polarity - hpd set polarity callback. 316 * 317 * @adev: amdgpu_device pointer 318 * @hpd: hpd (hotplug detect) pin 319 * 320 * Set the polarity of the hpd pin (evergreen+). 321 */ 322 static void dce_v8_0_hpd_set_polarity(struct amdgpu_device *adev, 323 enum amdgpu_hpd_id hpd) 324 { 325 u32 tmp; 326 bool connected = dce_v8_0_hpd_sense(adev, hpd); 327 328 switch (hpd) { 329 case AMDGPU_HPD_1: 330 tmp = RREG32(mmDC_HPD1_INT_CONTROL); 331 if (connected) 332 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK; 333 else 334 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK; 335 WREG32(mmDC_HPD1_INT_CONTROL, tmp); 336 break; 337 case AMDGPU_HPD_2: 338 tmp = RREG32(mmDC_HPD2_INT_CONTROL); 339 if (connected) 340 tmp &= ~DC_HPD2_INT_CONTROL__DC_HPD2_INT_POLARITY_MASK; 341 else 342 tmp |= DC_HPD2_INT_CONTROL__DC_HPD2_INT_POLARITY_MASK; 343 WREG32(mmDC_HPD2_INT_CONTROL, tmp); 344 break; 345 case AMDGPU_HPD_3: 346 tmp = RREG32(mmDC_HPD3_INT_CONTROL); 347 if (connected) 348 tmp &= ~DC_HPD3_INT_CONTROL__DC_HPD3_INT_POLARITY_MASK; 349 else 350 tmp |= DC_HPD3_INT_CONTROL__DC_HPD3_INT_POLARITY_MASK; 351 WREG32(mmDC_HPD3_INT_CONTROL, tmp); 352 break; 353 case AMDGPU_HPD_4: 354 tmp = RREG32(mmDC_HPD4_INT_CONTROL); 355 if (connected) 356 tmp &= ~DC_HPD4_INT_CONTROL__DC_HPD4_INT_POLARITY_MASK; 357 else 358 tmp |= DC_HPD4_INT_CONTROL__DC_HPD4_INT_POLARITY_MASK; 359 WREG32(mmDC_HPD4_INT_CONTROL, tmp); 360 break; 361 case AMDGPU_HPD_5: 362 tmp = RREG32(mmDC_HPD5_INT_CONTROL); 363 if (connected) 364 tmp &= ~DC_HPD5_INT_CONTROL__DC_HPD5_INT_POLARITY_MASK; 365 else 366 tmp |= DC_HPD5_INT_CONTROL__DC_HPD5_INT_POLARITY_MASK; 367 WREG32(mmDC_HPD5_INT_CONTROL, tmp); 368 break; 369 case AMDGPU_HPD_6: 370 tmp = RREG32(mmDC_HPD6_INT_CONTROL); 371 if (connected) 372 tmp &= ~DC_HPD6_INT_CONTROL__DC_HPD6_INT_POLARITY_MASK; 373 else 374 tmp |= DC_HPD6_INT_CONTROL__DC_HPD6_INT_POLARITY_MASK; 375 WREG32(mmDC_HPD6_INT_CONTROL, tmp); 376 break; 377 default: 378 break; 379 } 380 } 381 382 /** 383 * dce_v8_0_hpd_init - hpd setup callback. 384 * 385 * @adev: amdgpu_device pointer 386 * 387 * Setup the hpd pins used by the card (evergreen+). 388 * Enable the pin, set the polarity, and enable the hpd interrupts. 389 */ 390 static void dce_v8_0_hpd_init(struct amdgpu_device *adev) 391 { 392 struct drm_device *dev = adev->ddev; 393 struct drm_connector *connector; 394 u32 tmp = (0x9c4 << DC_HPD1_CONTROL__DC_HPD1_CONNECTION_TIMER__SHIFT) | 395 (0xfa << DC_HPD1_CONTROL__DC_HPD1_RX_INT_TIMER__SHIFT) | 396 DC_HPD1_CONTROL__DC_HPD1_EN_MASK; 397 398 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 399 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 400 401 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 402 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 403 /* don't try to enable hpd on eDP or LVDS avoid breaking the 404 * aux dp channel on imac and help (but not completely fix) 405 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 406 * also avoid interrupt storms during dpms. 407 */ 408 continue; 409 } 410 switch (amdgpu_connector->hpd.hpd) { 411 case AMDGPU_HPD_1: 412 WREG32(mmDC_HPD1_CONTROL, tmp); 413 break; 414 case AMDGPU_HPD_2: 415 WREG32(mmDC_HPD2_CONTROL, tmp); 416 break; 417 case AMDGPU_HPD_3: 418 WREG32(mmDC_HPD3_CONTROL, tmp); 419 break; 420 case AMDGPU_HPD_4: 421 WREG32(mmDC_HPD4_CONTROL, tmp); 422 break; 423 case AMDGPU_HPD_5: 424 WREG32(mmDC_HPD5_CONTROL, tmp); 425 break; 426 case AMDGPU_HPD_6: 427 WREG32(mmDC_HPD6_CONTROL, tmp); 428 break; 429 default: 430 break; 431 } 432 dce_v8_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 433 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 434 } 435 } 436 437 /** 438 * dce_v8_0_hpd_fini - hpd tear down callback. 439 * 440 * @adev: amdgpu_device pointer 441 * 442 * Tear down the hpd pins used by the card (evergreen+). 443 * Disable the hpd interrupts. 444 */ 445 static void dce_v8_0_hpd_fini(struct amdgpu_device *adev) 446 { 447 struct drm_device *dev = adev->ddev; 448 struct drm_connector *connector; 449 450 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 451 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 452 453 switch (amdgpu_connector->hpd.hpd) { 454 case AMDGPU_HPD_1: 455 WREG32(mmDC_HPD1_CONTROL, 0); 456 break; 457 case AMDGPU_HPD_2: 458 WREG32(mmDC_HPD2_CONTROL, 0); 459 break; 460 case AMDGPU_HPD_3: 461 WREG32(mmDC_HPD3_CONTROL, 0); 462 break; 463 case AMDGPU_HPD_4: 464 WREG32(mmDC_HPD4_CONTROL, 0); 465 break; 466 case AMDGPU_HPD_5: 467 WREG32(mmDC_HPD5_CONTROL, 0); 468 break; 469 case AMDGPU_HPD_6: 470 WREG32(mmDC_HPD6_CONTROL, 0); 471 break; 472 default: 473 break; 474 } 475 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 476 } 477 } 478 479 static u32 dce_v8_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 480 { 481 return mmDC_GPIO_HPD_A; 482 } 483 484 static bool dce_v8_0_is_display_hung(struct amdgpu_device *adev) 485 { 486 u32 crtc_hung = 0; 487 u32 crtc_status[6]; 488 u32 i, j, tmp; 489 490 for (i = 0; i < adev->mode_info.num_crtc; i++) { 491 if (RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK) { 492 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 493 crtc_hung |= (1 << i); 494 } 495 } 496 497 for (j = 0; j < 10; j++) { 498 for (i = 0; i < adev->mode_info.num_crtc; i++) { 499 if (crtc_hung & (1 << i)) { 500 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 501 if (tmp != crtc_status[i]) 502 crtc_hung &= ~(1 << i); 503 } 504 } 505 if (crtc_hung == 0) 506 return false; 507 udelay(100); 508 } 509 510 return true; 511 } 512 513 static void dce_v8_0_stop_mc_access(struct amdgpu_device *adev, 514 struct amdgpu_mode_mc_save *save) 515 { 516 u32 crtc_enabled, tmp; 517 int i; 518 519 save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL); 520 save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL); 521 522 /* disable VGA render */ 523 tmp = RREG32(mmVGA_RENDER_CONTROL); 524 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 525 WREG32(mmVGA_RENDER_CONTROL, tmp); 526 527 /* blank the display controllers */ 528 for (i = 0; i < adev->mode_info.num_crtc; i++) { 529 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 530 CRTC_CONTROL, CRTC_MASTER_EN); 531 if (crtc_enabled) { 532 #if 0 533 u32 frame_count; 534 int j; 535 536 save->crtc_enabled[i] = true; 537 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]); 538 if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) { 539 amdgpu_display_vblank_wait(adev, i); 540 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 541 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1); 542 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp); 543 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 544 } 545 /* wait for the next frame */ 546 frame_count = amdgpu_display_vblank_get_counter(adev, i); 547 for (j = 0; j < adev->usec_timeout; j++) { 548 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count) 549 break; 550 udelay(1); 551 } 552 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]); 553 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) { 554 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1); 555 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp); 556 } 557 tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]); 558 if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) { 559 tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1); 560 WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp); 561 } 562 #else 563 /* XXX this is a hack to avoid strange behavior with EFI on certain systems */ 564 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 565 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 566 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 567 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 568 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 569 save->crtc_enabled[i] = false; 570 /* ***** */ 571 #endif 572 } else { 573 save->crtc_enabled[i] = false; 574 } 575 } 576 } 577 578 static void dce_v8_0_resume_mc_access(struct amdgpu_device *adev, 579 struct amdgpu_mode_mc_save *save) 580 { 581 u32 tmp, frame_count; 582 int i, j; 583 584 /* update crtc base addresses */ 585 for (i = 0; i < adev->mode_info.num_crtc; i++) { 586 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], 587 upper_32_bits(adev->mc.vram_start)); 588 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], 589 upper_32_bits(adev->mc.vram_start)); 590 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i], 591 (u32)adev->mc.vram_start); 592 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i], 593 (u32)adev->mc.vram_start); 594 595 if (save->crtc_enabled[i]) { 596 tmp = RREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i]); 597 if (REG_GET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) { 598 tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3); 599 WREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i], tmp); 600 } 601 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]); 602 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) { 603 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0); 604 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp); 605 } 606 tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]); 607 if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) { 608 tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0); 609 WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp); 610 } 611 for (j = 0; j < adev->usec_timeout; j++) { 612 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]); 613 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0) 614 break; 615 udelay(1); 616 } 617 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]); 618 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0); 619 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 620 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp); 621 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 622 /* wait for the next frame */ 623 frame_count = amdgpu_display_vblank_get_counter(adev, i); 624 for (j = 0; j < adev->usec_timeout; j++) { 625 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count) 626 break; 627 udelay(1); 628 } 629 } 630 } 631 632 WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start)); 633 WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start)); 634 635 /* Unlock vga access */ 636 WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control); 637 mdelay(1); 638 WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control); 639 } 640 641 static void dce_v8_0_set_vga_render_state(struct amdgpu_device *adev, 642 bool render) 643 { 644 u32 tmp; 645 646 /* Lockout access through VGA aperture*/ 647 tmp = RREG32(mmVGA_HDP_CONTROL); 648 if (render) 649 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 650 else 651 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 652 WREG32(mmVGA_HDP_CONTROL, tmp); 653 654 /* disable VGA render */ 655 tmp = RREG32(mmVGA_RENDER_CONTROL); 656 if (render) 657 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 658 else 659 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 660 WREG32(mmVGA_RENDER_CONTROL, tmp); 661 } 662 663 static void dce_v8_0_program_fmt(struct drm_encoder *encoder) 664 { 665 struct drm_device *dev = encoder->dev; 666 struct amdgpu_device *adev = dev->dev_private; 667 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 668 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 669 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 670 int bpc = 0; 671 u32 tmp = 0; 672 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 673 674 if (connector) { 675 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 676 bpc = amdgpu_connector_get_monitor_bpc(connector); 677 dither = amdgpu_connector->dither; 678 } 679 680 /* LVDS/eDP FMT is set up by atom */ 681 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 682 return; 683 684 /* not needed for analog */ 685 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 686 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 687 return; 688 689 if (bpc == 0) 690 return; 691 692 switch (bpc) { 693 case 6: 694 if (dither == AMDGPU_FMT_DITHER_ENABLE) 695 /* XXX sort out optimal dither settings */ 696 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK | 697 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK | 698 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK | 699 (0 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT)); 700 else 701 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK | 702 (0 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT)); 703 break; 704 case 8: 705 if (dither == AMDGPU_FMT_DITHER_ENABLE) 706 /* XXX sort out optimal dither settings */ 707 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK | 708 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK | 709 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK | 710 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK | 711 (1 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT)); 712 else 713 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK | 714 (1 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT)); 715 break; 716 case 10: 717 if (dither == AMDGPU_FMT_DITHER_ENABLE) 718 /* XXX sort out optimal dither settings */ 719 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK | 720 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK | 721 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK | 722 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK | 723 (2 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT)); 724 else 725 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK | 726 (2 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT)); 727 break; 728 default: 729 /* not needed */ 730 break; 731 } 732 733 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 734 } 735 736 737 /* display watermark setup */ 738 /** 739 * dce_v8_0_line_buffer_adjust - Set up the line buffer 740 * 741 * @adev: amdgpu_device pointer 742 * @amdgpu_crtc: the selected display controller 743 * @mode: the current display mode on the selected display 744 * controller 745 * 746 * Setup up the line buffer allocation for 747 * the selected display controller (CIK). 748 * Returns the line buffer size in pixels. 749 */ 750 static u32 dce_v8_0_line_buffer_adjust(struct amdgpu_device *adev, 751 struct amdgpu_crtc *amdgpu_crtc, 752 struct drm_display_mode *mode) 753 { 754 u32 tmp, buffer_alloc, i; 755 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8; 756 /* 757 * Line Buffer Setup 758 * There are 6 line buffers, one for each display controllers. 759 * There are 3 partitions per LB. Select the number of partitions 760 * to enable based on the display width. For display widths larger 761 * than 4096, you need use to use 2 display controllers and combine 762 * them using the stereo blender. 763 */ 764 if (amdgpu_crtc->base.enabled && mode) { 765 if (mode->crtc_hdisplay < 1920) { 766 tmp = 1; 767 buffer_alloc = 2; 768 } else if (mode->crtc_hdisplay < 2560) { 769 tmp = 2; 770 buffer_alloc = 2; 771 } else if (mode->crtc_hdisplay < 4096) { 772 tmp = 0; 773 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 774 } else { 775 DRM_DEBUG_KMS("Mode too big for LB!\n"); 776 tmp = 0; 777 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 778 } 779 } else { 780 tmp = 1; 781 buffer_alloc = 0; 782 } 783 784 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, 785 (tmp << LB_MEMORY_CTRL__LB_MEMORY_CONFIG__SHIFT) | 786 (0x6B0 << LB_MEMORY_CTRL__LB_MEMORY_SIZE__SHIFT)); 787 788 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, 789 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT)); 790 for (i = 0; i < adev->usec_timeout; i++) { 791 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) & 792 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK) 793 break; 794 udelay(1); 795 } 796 797 if (amdgpu_crtc->base.enabled && mode) { 798 switch (tmp) { 799 case 0: 800 default: 801 return 4096 * 2; 802 case 1: 803 return 1920 * 2; 804 case 2: 805 return 2560 * 2; 806 } 807 } 808 809 /* controller not enabled, so no lb used */ 810 return 0; 811 } 812 813 /** 814 * cik_get_number_of_dram_channels - get the number of dram channels 815 * 816 * @adev: amdgpu_device pointer 817 * 818 * Look up the number of video ram channels (CIK). 819 * Used for display watermark bandwidth calculations 820 * Returns the number of dram channels 821 */ 822 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 823 { 824 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 825 826 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) { 827 case 0: 828 default: 829 return 1; 830 case 1: 831 return 2; 832 case 2: 833 return 4; 834 case 3: 835 return 8; 836 case 4: 837 return 3; 838 case 5: 839 return 6; 840 case 6: 841 return 10; 842 case 7: 843 return 12; 844 case 8: 845 return 16; 846 } 847 } 848 849 struct dce8_wm_params { 850 u32 dram_channels; /* number of dram channels */ 851 u32 yclk; /* bandwidth per dram data pin in kHz */ 852 u32 sclk; /* engine clock in kHz */ 853 u32 disp_clk; /* display clock in kHz */ 854 u32 src_width; /* viewport width */ 855 u32 active_time; /* active display time in ns */ 856 u32 blank_time; /* blank time in ns */ 857 bool interlaced; /* mode is interlaced */ 858 fixed20_12 vsc; /* vertical scale ratio */ 859 u32 num_heads; /* number of active crtcs */ 860 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 861 u32 lb_size; /* line buffer allocated to pipe */ 862 u32 vtaps; /* vertical scaler taps */ 863 }; 864 865 /** 866 * dce_v8_0_dram_bandwidth - get the dram bandwidth 867 * 868 * @wm: watermark calculation data 869 * 870 * Calculate the raw dram bandwidth (CIK). 871 * Used for display watermark bandwidth calculations 872 * Returns the dram bandwidth in MBytes/s 873 */ 874 static u32 dce_v8_0_dram_bandwidth(struct dce8_wm_params *wm) 875 { 876 /* Calculate raw DRAM Bandwidth */ 877 fixed20_12 dram_efficiency; /* 0.7 */ 878 fixed20_12 yclk, dram_channels, bandwidth; 879 fixed20_12 a; 880 881 a.full = dfixed_const(1000); 882 yclk.full = dfixed_const(wm->yclk); 883 yclk.full = dfixed_div(yclk, a); 884 dram_channels.full = dfixed_const(wm->dram_channels * 4); 885 a.full = dfixed_const(10); 886 dram_efficiency.full = dfixed_const(7); 887 dram_efficiency.full = dfixed_div(dram_efficiency, a); 888 bandwidth.full = dfixed_mul(dram_channels, yclk); 889 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 890 891 return dfixed_trunc(bandwidth); 892 } 893 894 /** 895 * dce_v8_0_dram_bandwidth_for_display - get the dram bandwidth for display 896 * 897 * @wm: watermark calculation data 898 * 899 * Calculate the dram bandwidth used for display (CIK). 900 * Used for display watermark bandwidth calculations 901 * Returns the dram bandwidth for display in MBytes/s 902 */ 903 static u32 dce_v8_0_dram_bandwidth_for_display(struct dce8_wm_params *wm) 904 { 905 /* Calculate DRAM Bandwidth and the part allocated to display. */ 906 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 907 fixed20_12 yclk, dram_channels, bandwidth; 908 fixed20_12 a; 909 910 a.full = dfixed_const(1000); 911 yclk.full = dfixed_const(wm->yclk); 912 yclk.full = dfixed_div(yclk, a); 913 dram_channels.full = dfixed_const(wm->dram_channels * 4); 914 a.full = dfixed_const(10); 915 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 916 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 917 bandwidth.full = dfixed_mul(dram_channels, yclk); 918 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 919 920 return dfixed_trunc(bandwidth); 921 } 922 923 /** 924 * dce_v8_0_data_return_bandwidth - get the data return bandwidth 925 * 926 * @wm: watermark calculation data 927 * 928 * Calculate the data return bandwidth used for display (CIK). 929 * Used for display watermark bandwidth calculations 930 * Returns the data return bandwidth in MBytes/s 931 */ 932 static u32 dce_v8_0_data_return_bandwidth(struct dce8_wm_params *wm) 933 { 934 /* Calculate the display Data return Bandwidth */ 935 fixed20_12 return_efficiency; /* 0.8 */ 936 fixed20_12 sclk, bandwidth; 937 fixed20_12 a; 938 939 a.full = dfixed_const(1000); 940 sclk.full = dfixed_const(wm->sclk); 941 sclk.full = dfixed_div(sclk, a); 942 a.full = dfixed_const(10); 943 return_efficiency.full = dfixed_const(8); 944 return_efficiency.full = dfixed_div(return_efficiency, a); 945 a.full = dfixed_const(32); 946 bandwidth.full = dfixed_mul(a, sclk); 947 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 948 949 return dfixed_trunc(bandwidth); 950 } 951 952 /** 953 * dce_v8_0_dmif_request_bandwidth - get the dmif bandwidth 954 * 955 * @wm: watermark calculation data 956 * 957 * Calculate the dmif bandwidth used for display (CIK). 958 * Used for display watermark bandwidth calculations 959 * Returns the dmif bandwidth in MBytes/s 960 */ 961 static u32 dce_v8_0_dmif_request_bandwidth(struct dce8_wm_params *wm) 962 { 963 /* Calculate the DMIF Request Bandwidth */ 964 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 965 fixed20_12 disp_clk, bandwidth; 966 fixed20_12 a, b; 967 968 a.full = dfixed_const(1000); 969 disp_clk.full = dfixed_const(wm->disp_clk); 970 disp_clk.full = dfixed_div(disp_clk, a); 971 a.full = dfixed_const(32); 972 b.full = dfixed_mul(a, disp_clk); 973 974 a.full = dfixed_const(10); 975 disp_clk_request_efficiency.full = dfixed_const(8); 976 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 977 978 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 979 980 return dfixed_trunc(bandwidth); 981 } 982 983 /** 984 * dce_v8_0_available_bandwidth - get the min available bandwidth 985 * 986 * @wm: watermark calculation data 987 * 988 * Calculate the min available bandwidth used for display (CIK). 989 * Used for display watermark bandwidth calculations 990 * Returns the min available bandwidth in MBytes/s 991 */ 992 static u32 dce_v8_0_available_bandwidth(struct dce8_wm_params *wm) 993 { 994 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 995 u32 dram_bandwidth = dce_v8_0_dram_bandwidth(wm); 996 u32 data_return_bandwidth = dce_v8_0_data_return_bandwidth(wm); 997 u32 dmif_req_bandwidth = dce_v8_0_dmif_request_bandwidth(wm); 998 999 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 1000 } 1001 1002 /** 1003 * dce_v8_0_average_bandwidth - get the average available bandwidth 1004 * 1005 * @wm: watermark calculation data 1006 * 1007 * Calculate the average available bandwidth used for display (CIK). 1008 * Used for display watermark bandwidth calculations 1009 * Returns the average available bandwidth in MBytes/s 1010 */ 1011 static u32 dce_v8_0_average_bandwidth(struct dce8_wm_params *wm) 1012 { 1013 /* Calculate the display mode Average Bandwidth 1014 * DisplayMode should contain the source and destination dimensions, 1015 * timing, etc. 1016 */ 1017 fixed20_12 bpp; 1018 fixed20_12 line_time; 1019 fixed20_12 src_width; 1020 fixed20_12 bandwidth; 1021 fixed20_12 a; 1022 1023 a.full = dfixed_const(1000); 1024 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 1025 line_time.full = dfixed_div(line_time, a); 1026 bpp.full = dfixed_const(wm->bytes_per_pixel); 1027 src_width.full = dfixed_const(wm->src_width); 1028 bandwidth.full = dfixed_mul(src_width, bpp); 1029 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 1030 bandwidth.full = dfixed_div(bandwidth, line_time); 1031 1032 return dfixed_trunc(bandwidth); 1033 } 1034 1035 /** 1036 * dce_v8_0_latency_watermark - get the latency watermark 1037 * 1038 * @wm: watermark calculation data 1039 * 1040 * Calculate the latency watermark (CIK). 1041 * Used for display watermark bandwidth calculations 1042 * Returns the latency watermark in ns 1043 */ 1044 static u32 dce_v8_0_latency_watermark(struct dce8_wm_params *wm) 1045 { 1046 /* First calculate the latency in ns */ 1047 u32 mc_latency = 2000; /* 2000 ns. */ 1048 u32 available_bandwidth = dce_v8_0_available_bandwidth(wm); 1049 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 1050 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 1051 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 1052 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 1053 (wm->num_heads * cursor_line_pair_return_time); 1054 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 1055 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 1056 u32 tmp, dmif_size = 12288; 1057 fixed20_12 a, b, c; 1058 1059 if (wm->num_heads == 0) 1060 return 0; 1061 1062 a.full = dfixed_const(2); 1063 b.full = dfixed_const(1); 1064 if ((wm->vsc.full > a.full) || 1065 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 1066 (wm->vtaps >= 5) || 1067 ((wm->vsc.full >= a.full) && wm->interlaced)) 1068 max_src_lines_per_dst_line = 4; 1069 else 1070 max_src_lines_per_dst_line = 2; 1071 1072 a.full = dfixed_const(available_bandwidth); 1073 b.full = dfixed_const(wm->num_heads); 1074 a.full = dfixed_div(a, b); 1075 1076 b.full = dfixed_const(mc_latency + 512); 1077 c.full = dfixed_const(wm->disp_clk); 1078 b.full = dfixed_div(b, c); 1079 1080 c.full = dfixed_const(dmif_size); 1081 b.full = dfixed_div(c, b); 1082 1083 tmp = min(dfixed_trunc(a), dfixed_trunc(b)); 1084 1085 b.full = dfixed_const(1000); 1086 c.full = dfixed_const(wm->disp_clk); 1087 b.full = dfixed_div(c, b); 1088 c.full = dfixed_const(wm->bytes_per_pixel); 1089 b.full = dfixed_mul(b, c); 1090 1091 lb_fill_bw = min(tmp, dfixed_trunc(b)); 1092 1093 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 1094 b.full = dfixed_const(1000); 1095 c.full = dfixed_const(lb_fill_bw); 1096 b.full = dfixed_div(c, b); 1097 a.full = dfixed_div(a, b); 1098 line_fill_time = dfixed_trunc(a); 1099 1100 if (line_fill_time < wm->active_time) 1101 return latency; 1102 else 1103 return latency + (line_fill_time - wm->active_time); 1104 1105 } 1106 1107 /** 1108 * dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display - check 1109 * average and available dram bandwidth 1110 * 1111 * @wm: watermark calculation data 1112 * 1113 * Check if the display average bandwidth fits in the display 1114 * dram bandwidth (CIK). 1115 * Used for display watermark bandwidth calculations 1116 * Returns true if the display fits, false if not. 1117 */ 1118 static bool dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce8_wm_params *wm) 1119 { 1120 if (dce_v8_0_average_bandwidth(wm) <= 1121 (dce_v8_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 1122 return true; 1123 else 1124 return false; 1125 } 1126 1127 /** 1128 * dce_v8_0_average_bandwidth_vs_available_bandwidth - check 1129 * average and available bandwidth 1130 * 1131 * @wm: watermark calculation data 1132 * 1133 * Check if the display average bandwidth fits in the display 1134 * available bandwidth (CIK). 1135 * Used for display watermark bandwidth calculations 1136 * Returns true if the display fits, false if not. 1137 */ 1138 static bool dce_v8_0_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm) 1139 { 1140 if (dce_v8_0_average_bandwidth(wm) <= 1141 (dce_v8_0_available_bandwidth(wm) / wm->num_heads)) 1142 return true; 1143 else 1144 return false; 1145 } 1146 1147 /** 1148 * dce_v8_0_check_latency_hiding - check latency hiding 1149 * 1150 * @wm: watermark calculation data 1151 * 1152 * Check latency hiding (CIK). 1153 * Used for display watermark bandwidth calculations 1154 * Returns true if the display fits, false if not. 1155 */ 1156 static bool dce_v8_0_check_latency_hiding(struct dce8_wm_params *wm) 1157 { 1158 u32 lb_partitions = wm->lb_size / wm->src_width; 1159 u32 line_time = wm->active_time + wm->blank_time; 1160 u32 latency_tolerant_lines; 1161 u32 latency_hiding; 1162 fixed20_12 a; 1163 1164 a.full = dfixed_const(1); 1165 if (wm->vsc.full > a.full) 1166 latency_tolerant_lines = 1; 1167 else { 1168 if (lb_partitions <= (wm->vtaps + 1)) 1169 latency_tolerant_lines = 1; 1170 else 1171 latency_tolerant_lines = 2; 1172 } 1173 1174 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1175 1176 if (dce_v8_0_latency_watermark(wm) <= latency_hiding) 1177 return true; 1178 else 1179 return false; 1180 } 1181 1182 /** 1183 * dce_v8_0_program_watermarks - program display watermarks 1184 * 1185 * @adev: amdgpu_device pointer 1186 * @amdgpu_crtc: the selected display controller 1187 * @lb_size: line buffer size 1188 * @num_heads: number of display controllers in use 1189 * 1190 * Calculate and program the display watermarks for the 1191 * selected display controller (CIK). 1192 */ 1193 static void dce_v8_0_program_watermarks(struct amdgpu_device *adev, 1194 struct amdgpu_crtc *amdgpu_crtc, 1195 u32 lb_size, u32 num_heads) 1196 { 1197 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1198 struct dce8_wm_params wm_low, wm_high; 1199 u32 pixel_period; 1200 u32 line_time = 0; 1201 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1202 u32 tmp, wm_mask; 1203 1204 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1205 pixel_period = 1000000 / (u32)mode->clock; 1206 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535); 1207 1208 /* watermark for high clocks */ 1209 if (adev->pm.dpm_enabled) { 1210 wm_high.yclk = 1211 amdgpu_dpm_get_mclk(adev, false) * 10; 1212 wm_high.sclk = 1213 amdgpu_dpm_get_sclk(adev, false) * 10; 1214 } else { 1215 wm_high.yclk = adev->pm.current_mclk * 10; 1216 wm_high.sclk = adev->pm.current_sclk * 10; 1217 } 1218 1219 wm_high.disp_clk = mode->clock; 1220 wm_high.src_width = mode->crtc_hdisplay; 1221 wm_high.active_time = mode->crtc_hdisplay * pixel_period; 1222 wm_high.blank_time = line_time - wm_high.active_time; 1223 wm_high.interlaced = false; 1224 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1225 wm_high.interlaced = true; 1226 wm_high.vsc = amdgpu_crtc->vsc; 1227 wm_high.vtaps = 1; 1228 if (amdgpu_crtc->rmx_type != RMX_OFF) 1229 wm_high.vtaps = 2; 1230 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1231 wm_high.lb_size = lb_size; 1232 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1233 wm_high.num_heads = num_heads; 1234 1235 /* set for high clocks */ 1236 latency_watermark_a = min(dce_v8_0_latency_watermark(&wm_high), (u32)65535); 1237 1238 /* possibly force display priority to high */ 1239 /* should really do this at mode validation time... */ 1240 if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1241 !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1242 !dce_v8_0_check_latency_hiding(&wm_high) || 1243 (adev->mode_info.disp_priority == 2)) { 1244 DRM_DEBUG_KMS("force priority to high\n"); 1245 } 1246 1247 /* watermark for low clocks */ 1248 if (adev->pm.dpm_enabled) { 1249 wm_low.yclk = 1250 amdgpu_dpm_get_mclk(adev, true) * 10; 1251 wm_low.sclk = 1252 amdgpu_dpm_get_sclk(adev, true) * 10; 1253 } else { 1254 wm_low.yclk = adev->pm.current_mclk * 10; 1255 wm_low.sclk = adev->pm.current_sclk * 10; 1256 } 1257 1258 wm_low.disp_clk = mode->clock; 1259 wm_low.src_width = mode->crtc_hdisplay; 1260 wm_low.active_time = mode->crtc_hdisplay * pixel_period; 1261 wm_low.blank_time = line_time - wm_low.active_time; 1262 wm_low.interlaced = false; 1263 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1264 wm_low.interlaced = true; 1265 wm_low.vsc = amdgpu_crtc->vsc; 1266 wm_low.vtaps = 1; 1267 if (amdgpu_crtc->rmx_type != RMX_OFF) 1268 wm_low.vtaps = 2; 1269 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1270 wm_low.lb_size = lb_size; 1271 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1272 wm_low.num_heads = num_heads; 1273 1274 /* set for low clocks */ 1275 latency_watermark_b = min(dce_v8_0_latency_watermark(&wm_low), (u32)65535); 1276 1277 /* possibly force display priority to high */ 1278 /* should really do this at mode validation time... */ 1279 if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1280 !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1281 !dce_v8_0_check_latency_hiding(&wm_low) || 1282 (adev->mode_info.disp_priority == 2)) { 1283 DRM_DEBUG_KMS("force priority to high\n"); 1284 } 1285 } 1286 1287 /* select wm A */ 1288 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1289 tmp = wm_mask; 1290 tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT); 1291 tmp |= (1 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT); 1292 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1293 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, 1294 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) | 1295 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT))); 1296 /* select wm B */ 1297 tmp = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1298 tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT); 1299 tmp |= (2 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT); 1300 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1301 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, 1302 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) | 1303 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT))); 1304 /* restore original selection */ 1305 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1306 1307 /* save values for DPM */ 1308 amdgpu_crtc->line_time = line_time; 1309 amdgpu_crtc->wm_high = latency_watermark_a; 1310 amdgpu_crtc->wm_low = latency_watermark_b; 1311 } 1312 1313 /** 1314 * dce_v8_0_bandwidth_update - program display watermarks 1315 * 1316 * @adev: amdgpu_device pointer 1317 * 1318 * Calculate and program the display watermarks and line 1319 * buffer allocation (CIK). 1320 */ 1321 static void dce_v8_0_bandwidth_update(struct amdgpu_device *adev) 1322 { 1323 struct drm_display_mode *mode = NULL; 1324 u32 num_heads = 0, lb_size; 1325 int i; 1326 1327 amdgpu_update_display_priority(adev); 1328 1329 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1330 if (adev->mode_info.crtcs[i]->base.enabled) 1331 num_heads++; 1332 } 1333 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1334 mode = &adev->mode_info.crtcs[i]->base.mode; 1335 lb_size = dce_v8_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1336 dce_v8_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1337 lb_size, num_heads); 1338 } 1339 } 1340 1341 static void dce_v8_0_audio_get_connected_pins(struct amdgpu_device *adev) 1342 { 1343 int i; 1344 u32 offset, tmp; 1345 1346 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1347 offset = adev->mode_info.audio.pin[i].offset; 1348 tmp = RREG32_AUDIO_ENDPT(offset, 1349 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1350 if (((tmp & 1351 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1352 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1353 adev->mode_info.audio.pin[i].connected = false; 1354 else 1355 adev->mode_info.audio.pin[i].connected = true; 1356 } 1357 } 1358 1359 static struct amdgpu_audio_pin *dce_v8_0_audio_get_pin(struct amdgpu_device *adev) 1360 { 1361 int i; 1362 1363 dce_v8_0_audio_get_connected_pins(adev); 1364 1365 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1366 if (adev->mode_info.audio.pin[i].connected) 1367 return &adev->mode_info.audio.pin[i]; 1368 } 1369 DRM_ERROR("No connected audio pins found!\n"); 1370 return NULL; 1371 } 1372 1373 static void dce_v8_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1374 { 1375 struct amdgpu_device *adev = encoder->dev->dev_private; 1376 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1377 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1378 u32 offset; 1379 1380 if (!dig || !dig->afmt || !dig->afmt->pin) 1381 return; 1382 1383 offset = dig->afmt->offset; 1384 1385 WREG32(mmAFMT_AUDIO_SRC_CONTROL + offset, 1386 (dig->afmt->pin->id << AFMT_AUDIO_SRC_CONTROL__AFMT_AUDIO_SRC_SELECT__SHIFT)); 1387 } 1388 1389 static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder, 1390 struct drm_display_mode *mode) 1391 { 1392 struct amdgpu_device *adev = encoder->dev->dev_private; 1393 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1394 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1395 struct drm_connector *connector; 1396 struct amdgpu_connector *amdgpu_connector = NULL; 1397 u32 tmp = 0, offset; 1398 1399 if (!dig || !dig->afmt || !dig->afmt->pin) 1400 return; 1401 1402 offset = dig->afmt->pin->offset; 1403 1404 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1405 if (connector->encoder == encoder) { 1406 amdgpu_connector = to_amdgpu_connector(connector); 1407 break; 1408 } 1409 } 1410 1411 if (!amdgpu_connector) { 1412 DRM_ERROR("Couldn't find encoder's connector\n"); 1413 return; 1414 } 1415 1416 if (mode->flags & DRM_MODE_FLAG_INTERLACE) { 1417 if (connector->latency_present[1]) 1418 tmp = 1419 (connector->video_latency[1] << 1420 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) | 1421 (connector->audio_latency[1] << 1422 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT); 1423 else 1424 tmp = 1425 (0 << 1426 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) | 1427 (0 << 1428 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT); 1429 } else { 1430 if (connector->latency_present[0]) 1431 tmp = 1432 (connector->video_latency[0] << 1433 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) | 1434 (connector->audio_latency[0] << 1435 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT); 1436 else 1437 tmp = 1438 (0 << 1439 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) | 1440 (0 << 1441 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT); 1442 1443 } 1444 WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1445 } 1446 1447 static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1448 { 1449 struct amdgpu_device *adev = encoder->dev->dev_private; 1450 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1451 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1452 struct drm_connector *connector; 1453 struct amdgpu_connector *amdgpu_connector = NULL; 1454 u32 offset, tmp; 1455 u8 *sadb = NULL; 1456 int sad_count; 1457 1458 if (!dig || !dig->afmt || !dig->afmt->pin) 1459 return; 1460 1461 offset = dig->afmt->pin->offset; 1462 1463 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1464 if (connector->encoder == encoder) { 1465 amdgpu_connector = to_amdgpu_connector(connector); 1466 break; 1467 } 1468 } 1469 1470 if (!amdgpu_connector) { 1471 DRM_ERROR("Couldn't find encoder's connector\n"); 1472 return; 1473 } 1474 1475 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb); 1476 if (sad_count < 0) { 1477 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1478 sad_count = 0; 1479 } 1480 1481 /* program the speaker allocation */ 1482 tmp = RREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1483 tmp &= ~(AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__DP_CONNECTION_MASK | 1484 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION_MASK); 1485 /* set HDMI mode */ 1486 tmp |= AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__HDMI_CONNECTION_MASK; 1487 if (sad_count) 1488 tmp |= (sadb[0] << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT); 1489 else 1490 tmp |= (5 << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT); /* stereo */ 1491 WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1492 1493 kfree(sadb); 1494 } 1495 1496 static void dce_v8_0_audio_write_sad_regs(struct drm_encoder *encoder) 1497 { 1498 struct amdgpu_device *adev = encoder->dev->dev_private; 1499 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1500 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1501 u32 offset; 1502 struct drm_connector *connector; 1503 struct amdgpu_connector *amdgpu_connector = NULL; 1504 struct cea_sad *sads; 1505 int i, sad_count; 1506 1507 static const u16 eld_reg_to_type[][2] = { 1508 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1509 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1510 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1511 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1512 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1513 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1514 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1515 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1516 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1517 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1518 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1519 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1520 }; 1521 1522 if (!dig || !dig->afmt || !dig->afmt->pin) 1523 return; 1524 1525 offset = dig->afmt->pin->offset; 1526 1527 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1528 if (connector->encoder == encoder) { 1529 amdgpu_connector = to_amdgpu_connector(connector); 1530 break; 1531 } 1532 } 1533 1534 if (!amdgpu_connector) { 1535 DRM_ERROR("Couldn't find encoder's connector\n"); 1536 return; 1537 } 1538 1539 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); 1540 if (sad_count <= 0) { 1541 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1542 return; 1543 } 1544 BUG_ON(!sads); 1545 1546 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1547 u32 value = 0; 1548 u8 stereo_freqs = 0; 1549 int max_channels = -1; 1550 int j; 1551 1552 for (j = 0; j < sad_count; j++) { 1553 struct cea_sad *sad = &sads[j]; 1554 1555 if (sad->format == eld_reg_to_type[i][1]) { 1556 if (sad->channels > max_channels) { 1557 value = (sad->channels << 1558 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__MAX_CHANNELS__SHIFT) | 1559 (sad->byte2 << 1560 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__DESCRIPTOR_BYTE_2__SHIFT) | 1561 (sad->freq << 1562 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES__SHIFT); 1563 max_channels = sad->channels; 1564 } 1565 1566 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1567 stereo_freqs |= sad->freq; 1568 else 1569 break; 1570 } 1571 } 1572 1573 value |= (stereo_freqs << 1574 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES_STEREO__SHIFT); 1575 1576 WREG32_AUDIO_ENDPT(offset, eld_reg_to_type[i][0], value); 1577 } 1578 1579 kfree(sads); 1580 } 1581 1582 static void dce_v8_0_audio_enable(struct amdgpu_device *adev, 1583 struct amdgpu_audio_pin *pin, 1584 bool enable) 1585 { 1586 if (!pin) 1587 return; 1588 1589 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1590 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1591 } 1592 1593 static const u32 pin_offsets[7] = 1594 { 1595 (0x1780 - 0x1780), 1596 (0x1786 - 0x1780), 1597 (0x178c - 0x1780), 1598 (0x1792 - 0x1780), 1599 (0x1798 - 0x1780), 1600 (0x179d - 0x1780), 1601 (0x17a4 - 0x1780), 1602 }; 1603 1604 static int dce_v8_0_audio_init(struct amdgpu_device *adev) 1605 { 1606 int i; 1607 1608 if (!amdgpu_audio) 1609 return 0; 1610 1611 adev->mode_info.audio.enabled = true; 1612 1613 if (adev->asic_type == CHIP_KAVERI) /* KV: 4 streams, 7 endpoints */ 1614 adev->mode_info.audio.num_pins = 7; 1615 else if ((adev->asic_type == CHIP_KABINI) || 1616 (adev->asic_type == CHIP_MULLINS)) /* KB/ML: 2 streams, 3 endpoints */ 1617 adev->mode_info.audio.num_pins = 3; 1618 else if ((adev->asic_type == CHIP_BONAIRE) || 1619 (adev->asic_type == CHIP_HAWAII))/* BN/HW: 6 streams, 7 endpoints */ 1620 adev->mode_info.audio.num_pins = 7; 1621 else 1622 adev->mode_info.audio.num_pins = 3; 1623 1624 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1625 adev->mode_info.audio.pin[i].channels = -1; 1626 adev->mode_info.audio.pin[i].rate = -1; 1627 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1628 adev->mode_info.audio.pin[i].status_bits = 0; 1629 adev->mode_info.audio.pin[i].category_code = 0; 1630 adev->mode_info.audio.pin[i].connected = false; 1631 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1632 adev->mode_info.audio.pin[i].id = i; 1633 /* disable audio. it will be set up later */ 1634 /* XXX remove once we switch to ip funcs */ 1635 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1636 } 1637 1638 return 0; 1639 } 1640 1641 static void dce_v8_0_audio_fini(struct amdgpu_device *adev) 1642 { 1643 int i; 1644 1645 if (!adev->mode_info.audio.enabled) 1646 return; 1647 1648 for (i = 0; i < adev->mode_info.audio.num_pins; i++) 1649 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1650 1651 adev->mode_info.audio.enabled = false; 1652 } 1653 1654 /* 1655 * update the N and CTS parameters for a given pixel clock rate 1656 */ 1657 static void dce_v8_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1658 { 1659 struct drm_device *dev = encoder->dev; 1660 struct amdgpu_device *adev = dev->dev_private; 1661 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1662 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1663 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1664 uint32_t offset = dig->afmt->offset; 1665 1666 WREG32(mmHDMI_ACR_32_0 + offset, (acr.cts_32khz << HDMI_ACR_44_0__HDMI_ACR_CTS_44__SHIFT)); 1667 WREG32(mmHDMI_ACR_32_1 + offset, acr.n_32khz); 1668 1669 WREG32(mmHDMI_ACR_44_0 + offset, (acr.cts_44_1khz << HDMI_ACR_44_0__HDMI_ACR_CTS_44__SHIFT)); 1670 WREG32(mmHDMI_ACR_44_1 + offset, acr.n_44_1khz); 1671 1672 WREG32(mmHDMI_ACR_48_0 + offset, (acr.cts_48khz << HDMI_ACR_48_0__HDMI_ACR_CTS_48__SHIFT)); 1673 WREG32(mmHDMI_ACR_48_1 + offset, acr.n_48khz); 1674 } 1675 1676 /* 1677 * build a HDMI Video Info Frame 1678 */ 1679 static void dce_v8_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1680 void *buffer, size_t size) 1681 { 1682 struct drm_device *dev = encoder->dev; 1683 struct amdgpu_device *adev = dev->dev_private; 1684 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1685 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1686 uint32_t offset = dig->afmt->offset; 1687 uint8_t *frame = buffer + 3; 1688 uint8_t *header = buffer; 1689 1690 WREG32(mmAFMT_AVI_INFO0 + offset, 1691 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1692 WREG32(mmAFMT_AVI_INFO1 + offset, 1693 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1694 WREG32(mmAFMT_AVI_INFO2 + offset, 1695 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1696 WREG32(mmAFMT_AVI_INFO3 + offset, 1697 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1698 } 1699 1700 static void dce_v8_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1701 { 1702 struct drm_device *dev = encoder->dev; 1703 struct amdgpu_device *adev = dev->dev_private; 1704 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1705 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1706 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1707 u32 dto_phase = 24 * 1000; 1708 u32 dto_modulo = clock; 1709 1710 if (!dig || !dig->afmt) 1711 return; 1712 1713 /* XXX two dtos; generally use dto0 for hdmi */ 1714 /* Express [24MHz / target pixel clock] as an exact rational 1715 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1716 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1717 */ 1718 WREG32(mmDCCG_AUDIO_DTO_SOURCE, (amdgpu_crtc->crtc_id << DCCG_AUDIO_DTO_SOURCE__DCCG_AUDIO_DTO0_SOURCE_SEL__SHIFT)); 1719 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1720 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1721 } 1722 1723 /* 1724 * update the info frames with the data from the current display mode 1725 */ 1726 static void dce_v8_0_afmt_setmode(struct drm_encoder *encoder, 1727 struct drm_display_mode *mode) 1728 { 1729 struct drm_device *dev = encoder->dev; 1730 struct amdgpu_device *adev = dev->dev_private; 1731 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1732 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1733 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1734 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1735 struct hdmi_avi_infoframe frame; 1736 uint32_t offset, val; 1737 ssize_t err; 1738 int bpc = 8; 1739 1740 if (!dig || !dig->afmt) 1741 return; 1742 1743 /* Silent, r600_hdmi_enable will raise WARN for us */ 1744 if (!dig->afmt->enabled) 1745 return; 1746 offset = dig->afmt->offset; 1747 1748 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1749 if (encoder->crtc) { 1750 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1751 bpc = amdgpu_crtc->bpc; 1752 } 1753 1754 /* disable audio prior to setting up hw */ 1755 dig->afmt->pin = dce_v8_0_audio_get_pin(adev); 1756 dce_v8_0_audio_enable(adev, dig->afmt->pin, false); 1757 1758 dce_v8_0_audio_set_dto(encoder, mode->clock); 1759 1760 WREG32(mmHDMI_VBI_PACKET_CONTROL + offset, 1761 HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK); /* send null packets when required */ 1762 1763 WREG32(mmAFMT_AUDIO_CRC_CONTROL + offset, 0x1000); 1764 1765 val = RREG32(mmHDMI_CONTROL + offset); 1766 val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK; 1767 val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH_MASK; 1768 1769 switch (bpc) { 1770 case 0: 1771 case 6: 1772 case 8: 1773 case 16: 1774 default: 1775 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1776 connector->name, bpc); 1777 break; 1778 case 10: 1779 val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK; 1780 val |= 1 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT; 1781 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1782 connector->name); 1783 break; 1784 case 12: 1785 val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK; 1786 val |= 2 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT; 1787 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1788 connector->name); 1789 break; 1790 } 1791 1792 WREG32(mmHDMI_CONTROL + offset, val); 1793 1794 WREG32(mmHDMI_VBI_PACKET_CONTROL + offset, 1795 HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK | /* send null packets when required */ 1796 HDMI_VBI_PACKET_CONTROL__HDMI_GC_SEND_MASK | /* send general control packets */ 1797 HDMI_VBI_PACKET_CONTROL__HDMI_GC_CONT_MASK); /* send general control packets every frame */ 1798 1799 WREG32(mmHDMI_INFOFRAME_CONTROL0 + offset, 1800 HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_SEND_MASK | /* enable audio info frames (frames won't be set until audio is enabled) */ 1801 HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_CONT_MASK); /* required for audio info values to be updated */ 1802 1803 WREG32(mmAFMT_INFOFRAME_CONTROL0 + offset, 1804 AFMT_INFOFRAME_CONTROL0__AFMT_AUDIO_INFO_UPDATE_MASK); /* required for audio info values to be updated */ 1805 1806 WREG32(mmHDMI_INFOFRAME_CONTROL1 + offset, 1807 (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AUDIO_INFO_LINE__SHIFT)); /* anything other than 0 */ 1808 1809 WREG32(mmHDMI_GC + offset, 0); /* unset HDMI_GC_AVMUTE */ 1810 1811 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + offset, 1812 (1 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_DELAY_EN__SHIFT) | /* set the default audio delay */ 1813 (3 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_PACKETS_PER_LINE__SHIFT)); /* should be suffient for all audio modes and small enough for all hblanks */ 1814 1815 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + offset, 1816 AFMT_AUDIO_PACKET_CONTROL__AFMT_60958_CS_UPDATE_MASK); /* allow 60958 channel status fields to be updated */ 1817 1818 /* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */ 1819 1820 if (bpc > 8) 1821 WREG32(mmHDMI_ACR_PACKET_CONTROL + offset, 1822 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */ 1823 else 1824 WREG32(mmHDMI_ACR_PACKET_CONTROL + offset, 1825 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_SOURCE_MASK | /* select SW CTS value */ 1826 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */ 1827 1828 dce_v8_0_afmt_update_ACR(encoder, mode->clock); 1829 1830 WREG32(mmAFMT_60958_0 + offset, 1831 (1 << AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L__SHIFT)); 1832 1833 WREG32(mmAFMT_60958_1 + offset, 1834 (2 << AFMT_60958_1__AFMT_60958_CS_CHANNEL_NUMBER_R__SHIFT)); 1835 1836 WREG32(mmAFMT_60958_2 + offset, 1837 (3 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_2__SHIFT) | 1838 (4 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_3__SHIFT) | 1839 (5 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_4__SHIFT) | 1840 (6 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_5__SHIFT) | 1841 (7 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_6__SHIFT) | 1842 (8 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_7__SHIFT)); 1843 1844 dce_v8_0_audio_write_speaker_allocation(encoder); 1845 1846 1847 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + offset, 1848 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1849 1850 dce_v8_0_afmt_audio_select_pin(encoder); 1851 dce_v8_0_audio_write_sad_regs(encoder); 1852 dce_v8_0_audio_write_latency_fields(encoder, mode); 1853 1854 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); 1855 if (err < 0) { 1856 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1857 return; 1858 } 1859 1860 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1861 if (err < 0) { 1862 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1863 return; 1864 } 1865 1866 dce_v8_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1867 1868 WREG32_OR(mmHDMI_INFOFRAME_CONTROL0 + offset, 1869 HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_SEND_MASK | /* enable AVI info frames */ 1870 HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_SEND_MASK); /* required for audio info values to be updated */ 1871 1872 WREG32_P(mmHDMI_INFOFRAME_CONTROL1 + offset, 1873 (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE__SHIFT), /* anything other than 0 */ 1874 ~HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE_MASK); 1875 1876 WREG32_OR(mmAFMT_AUDIO_PACKET_CONTROL + offset, 1877 AFMT_AUDIO_PACKET_CONTROL__AFMT_AUDIO_SAMPLE_SEND_MASK); /* send audio packets */ 1878 1879 /* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */ 1880 WREG32(mmAFMT_RAMP_CONTROL0 + offset, 0x00FFFFFF); 1881 WREG32(mmAFMT_RAMP_CONTROL1 + offset, 0x007FFFFF); 1882 WREG32(mmAFMT_RAMP_CONTROL2 + offset, 0x00000001); 1883 WREG32(mmAFMT_RAMP_CONTROL3 + offset, 0x00000001); 1884 1885 /* enable audio after to setting up hw */ 1886 dce_v8_0_audio_enable(adev, dig->afmt->pin, true); 1887 } 1888 1889 static void dce_v8_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1890 { 1891 struct drm_device *dev = encoder->dev; 1892 struct amdgpu_device *adev = dev->dev_private; 1893 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1894 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1895 1896 if (!dig || !dig->afmt) 1897 return; 1898 1899 /* Silent, r600_hdmi_enable will raise WARN for us */ 1900 if (enable && dig->afmt->enabled) 1901 return; 1902 if (!enable && !dig->afmt->enabled) 1903 return; 1904 1905 if (!enable && dig->afmt->pin) { 1906 dce_v8_0_audio_enable(adev, dig->afmt->pin, false); 1907 dig->afmt->pin = NULL; 1908 } 1909 1910 dig->afmt->enabled = enable; 1911 1912 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1913 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1914 } 1915 1916 static void dce_v8_0_afmt_init(struct amdgpu_device *adev) 1917 { 1918 int i; 1919 1920 for (i = 0; i < adev->mode_info.num_dig; i++) 1921 adev->mode_info.afmt[i] = NULL; 1922 1923 /* DCE8 has audio blocks tied to DIG encoders */ 1924 for (i = 0; i < adev->mode_info.num_dig; i++) { 1925 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL); 1926 if (adev->mode_info.afmt[i]) { 1927 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1928 adev->mode_info.afmt[i]->id = i; 1929 } 1930 } 1931 } 1932 1933 static void dce_v8_0_afmt_fini(struct amdgpu_device *adev) 1934 { 1935 int i; 1936 1937 for (i = 0; i < adev->mode_info.num_dig; i++) { 1938 kfree(adev->mode_info.afmt[i]); 1939 adev->mode_info.afmt[i] = NULL; 1940 } 1941 } 1942 1943 static const u32 vga_control_regs[6] = 1944 { 1945 mmD1VGA_CONTROL, 1946 mmD2VGA_CONTROL, 1947 mmD3VGA_CONTROL, 1948 mmD4VGA_CONTROL, 1949 mmD5VGA_CONTROL, 1950 mmD6VGA_CONTROL, 1951 }; 1952 1953 static void dce_v8_0_vga_enable(struct drm_crtc *crtc, bool enable) 1954 { 1955 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1956 struct drm_device *dev = crtc->dev; 1957 struct amdgpu_device *adev = dev->dev_private; 1958 u32 vga_control; 1959 1960 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1961 if (enable) 1962 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1963 else 1964 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1965 } 1966 1967 static void dce_v8_0_grph_enable(struct drm_crtc *crtc, bool enable) 1968 { 1969 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1970 struct drm_device *dev = crtc->dev; 1971 struct amdgpu_device *adev = dev->dev_private; 1972 1973 if (enable) 1974 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1975 else 1976 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1977 } 1978 1979 static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc, 1980 struct drm_framebuffer *fb, 1981 int x, int y, int atomic) 1982 { 1983 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1984 struct drm_device *dev = crtc->dev; 1985 struct amdgpu_device *adev = dev->dev_private; 1986 struct amdgpu_framebuffer *amdgpu_fb; 1987 struct drm_framebuffer *target_fb; 1988 struct drm_gem_object *obj; 1989 struct amdgpu_bo *rbo; 1990 uint64_t fb_location, tiling_flags; 1991 uint32_t fb_format, fb_pitch_pixels; 1992 u32 fb_swap = (GRPH_ENDIAN_NONE << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT); 1993 u32 pipe_config; 1994 u32 tmp, viewport_w, viewport_h; 1995 int r; 1996 bool bypass_lut = false; 1997 1998 /* no fb bound */ 1999 if (!atomic && !crtc->primary->fb) { 2000 DRM_DEBUG_KMS("No FB bound\n"); 2001 return 0; 2002 } 2003 2004 if (atomic) { 2005 amdgpu_fb = to_amdgpu_framebuffer(fb); 2006 target_fb = fb; 2007 } 2008 else { 2009 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); 2010 target_fb = crtc->primary->fb; 2011 } 2012 2013 /* If atomic, assume fb object is pinned & idle & fenced and 2014 * just update base pointers 2015 */ 2016 obj = amdgpu_fb->obj; 2017 rbo = gem_to_amdgpu_bo(obj); 2018 r = amdgpu_bo_reserve(rbo, false); 2019 if (unlikely(r != 0)) 2020 return r; 2021 2022 if (atomic) 2023 fb_location = amdgpu_bo_gpu_offset(rbo); 2024 else { 2025 r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location); 2026 if (unlikely(r != 0)) { 2027 amdgpu_bo_unreserve(rbo); 2028 return -EINVAL; 2029 } 2030 } 2031 2032 amdgpu_bo_get_tiling_flags(rbo, &tiling_flags); 2033 amdgpu_bo_unreserve(rbo); 2034 2035 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 2036 2037 switch (target_fb->pixel_format) { 2038 case DRM_FORMAT_C8: 2039 fb_format = ((GRPH_DEPTH_8BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) | 2040 (GRPH_FORMAT_INDEXED << GRPH_CONTROL__GRPH_FORMAT__SHIFT)); 2041 break; 2042 case DRM_FORMAT_XRGB4444: 2043 case DRM_FORMAT_ARGB4444: 2044 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) | 2045 (GRPH_FORMAT_ARGB1555 << GRPH_CONTROL__GRPH_FORMAT__SHIFT)); 2046 #ifdef __BIG_ENDIAN 2047 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT); 2048 #endif 2049 break; 2050 case DRM_FORMAT_XRGB1555: 2051 case DRM_FORMAT_ARGB1555: 2052 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) | 2053 (GRPH_FORMAT_ARGB1555 << GRPH_CONTROL__GRPH_FORMAT__SHIFT)); 2054 #ifdef __BIG_ENDIAN 2055 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT); 2056 #endif 2057 break; 2058 case DRM_FORMAT_BGRX5551: 2059 case DRM_FORMAT_BGRA5551: 2060 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) | 2061 (GRPH_FORMAT_BGRA5551 << GRPH_CONTROL__GRPH_FORMAT__SHIFT)); 2062 #ifdef __BIG_ENDIAN 2063 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT); 2064 #endif 2065 break; 2066 case DRM_FORMAT_RGB565: 2067 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) | 2068 (GRPH_FORMAT_ARGB565 << GRPH_CONTROL__GRPH_FORMAT__SHIFT)); 2069 #ifdef __BIG_ENDIAN 2070 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT); 2071 #endif 2072 break; 2073 case DRM_FORMAT_XRGB8888: 2074 case DRM_FORMAT_ARGB8888: 2075 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) | 2076 (GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT)); 2077 #ifdef __BIG_ENDIAN 2078 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT); 2079 #endif 2080 break; 2081 case DRM_FORMAT_XRGB2101010: 2082 case DRM_FORMAT_ARGB2101010: 2083 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) | 2084 (GRPH_FORMAT_ARGB2101010 << GRPH_CONTROL__GRPH_FORMAT__SHIFT)); 2085 #ifdef __BIG_ENDIAN 2086 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT); 2087 #endif 2088 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2089 bypass_lut = true; 2090 break; 2091 case DRM_FORMAT_BGRX1010102: 2092 case DRM_FORMAT_BGRA1010102: 2093 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) | 2094 (GRPH_FORMAT_BGRA1010102 << GRPH_CONTROL__GRPH_FORMAT__SHIFT)); 2095 #ifdef __BIG_ENDIAN 2096 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT); 2097 #endif 2098 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2099 bypass_lut = true; 2100 break; 2101 default: 2102 DRM_ERROR("Unsupported screen format %s\n", 2103 drm_get_format_name(target_fb->pixel_format)); 2104 return -EINVAL; 2105 } 2106 2107 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 2108 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 2109 2110 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 2111 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 2112 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 2113 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 2114 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 2115 2116 fb_format |= (num_banks << GRPH_CONTROL__GRPH_NUM_BANKS__SHIFT); 2117 fb_format |= (GRPH_ARRAY_2D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT); 2118 fb_format |= (tile_split << GRPH_CONTROL__GRPH_TILE_SPLIT__SHIFT); 2119 fb_format |= (bankw << GRPH_CONTROL__GRPH_BANK_WIDTH__SHIFT); 2120 fb_format |= (bankh << GRPH_CONTROL__GRPH_BANK_HEIGHT__SHIFT); 2121 fb_format |= (mtaspect << GRPH_CONTROL__GRPH_MACRO_TILE_ASPECT__SHIFT); 2122 fb_format |= (DISPLAY_MICRO_TILING << GRPH_CONTROL__GRPH_MICRO_TILE_MODE__SHIFT); 2123 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 2124 fb_format |= (GRPH_ARRAY_1D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT); 2125 } 2126 2127 fb_format |= (pipe_config << GRPH_CONTROL__GRPH_PIPE_CONFIG__SHIFT); 2128 2129 dce_v8_0_vga_enable(crtc, false); 2130 2131 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2132 upper_32_bits(fb_location)); 2133 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2134 upper_32_bits(fb_location)); 2135 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2136 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2137 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2138 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2139 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2140 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2141 2142 /* 2143 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2144 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2145 * retain the full precision throughout the pipeline. 2146 */ 2147 WREG32_P(mmGRPH_LUT_10BIT_BYPASS_CONTROL + amdgpu_crtc->crtc_offset, 2148 (bypass_lut ? LUT_10BIT_BYPASS_EN : 0), 2149 ~LUT_10BIT_BYPASS_EN); 2150 2151 if (bypass_lut) 2152 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2153 2154 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2155 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2156 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2157 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2158 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2159 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2160 2161 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8); 2162 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2163 2164 dce_v8_0_grph_enable(crtc, true); 2165 2166 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2167 target_fb->height); 2168 2169 x &= ~3; 2170 y &= ~1; 2171 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2172 (x << 16) | y); 2173 viewport_w = crtc->mode.hdisplay; 2174 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2175 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2176 (viewport_w << 16) | viewport_h); 2177 2178 /* pageflip setup */ 2179 /* make sure flip is at vb rather than hb */ 2180 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2181 tmp &= ~GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK; 2182 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2183 2184 /* set pageflip to happen only at start of vblank interval (front porch) */ 2185 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3); 2186 2187 if (!atomic && fb && fb != crtc->primary->fb) { 2188 amdgpu_fb = to_amdgpu_framebuffer(fb); 2189 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj); 2190 r = amdgpu_bo_reserve(rbo, false); 2191 if (unlikely(r != 0)) 2192 return r; 2193 amdgpu_bo_unpin(rbo); 2194 amdgpu_bo_unreserve(rbo); 2195 } 2196 2197 /* Bytes per pixel may have changed */ 2198 dce_v8_0_bandwidth_update(adev); 2199 2200 return 0; 2201 } 2202 2203 static void dce_v8_0_set_interleave(struct drm_crtc *crtc, 2204 struct drm_display_mode *mode) 2205 { 2206 struct drm_device *dev = crtc->dev; 2207 struct amdgpu_device *adev = dev->dev_private; 2208 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2209 2210 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2211 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, 2212 LB_DATA_FORMAT__INTERLEAVE_EN__SHIFT); 2213 else 2214 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, 0); 2215 } 2216 2217 static void dce_v8_0_crtc_load_lut(struct drm_crtc *crtc) 2218 { 2219 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2220 struct drm_device *dev = crtc->dev; 2221 struct amdgpu_device *adev = dev->dev_private; 2222 int i; 2223 2224 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2225 2226 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, 2227 ((INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) | 2228 (INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT))); 2229 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, 2230 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK); 2231 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, 2232 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK); 2233 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, 2234 ((INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) | 2235 (INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT))); 2236 2237 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2238 2239 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2240 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2241 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2242 2243 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2244 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2245 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2246 2247 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2248 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2249 2250 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2251 for (i = 0; i < 256; i++) { 2252 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2253 (amdgpu_crtc->lut_r[i] << 20) | 2254 (amdgpu_crtc->lut_g[i] << 10) | 2255 (amdgpu_crtc->lut_b[i] << 0)); 2256 } 2257 2258 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, 2259 ((DEGAMMA_BYPASS << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) | 2260 (DEGAMMA_BYPASS << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) | 2261 (DEGAMMA_BYPASS << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT))); 2262 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, 2263 ((GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) | 2264 (GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT))); 2265 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, 2266 ((REGAMMA_BYPASS << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) | 2267 (REGAMMA_BYPASS << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT))); 2268 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, 2269 ((OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) | 2270 (OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT))); 2271 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2272 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0); 2273 /* XXX this only needs to be programmed once per crtc at startup, 2274 * not sure where the best place for it is 2275 */ 2276 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, 2277 ALPHA_CONTROL__CURSOR_ALPHA_BLND_ENA_MASK); 2278 } 2279 2280 static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder) 2281 { 2282 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2283 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2284 2285 switch (amdgpu_encoder->encoder_id) { 2286 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2287 if (dig->linkb) 2288 return 1; 2289 else 2290 return 0; 2291 break; 2292 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2293 if (dig->linkb) 2294 return 3; 2295 else 2296 return 2; 2297 break; 2298 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2299 if (dig->linkb) 2300 return 5; 2301 else 2302 return 4; 2303 break; 2304 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2305 return 6; 2306 break; 2307 default: 2308 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2309 return 0; 2310 } 2311 } 2312 2313 /** 2314 * dce_v8_0_pick_pll - Allocate a PPLL for use by the crtc. 2315 * 2316 * @crtc: drm crtc 2317 * 2318 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2319 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2320 * monitors a dedicated PPLL must be used. If a particular board has 2321 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2322 * as there is no need to program the PLL itself. If we are not able to 2323 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2324 * avoid messing up an existing monitor. 2325 * 2326 * Asic specific PLL information 2327 * 2328 * DCE 8.x 2329 * KB/KV 2330 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2331 * CI 2332 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2333 * 2334 */ 2335 static u32 dce_v8_0_pick_pll(struct drm_crtc *crtc) 2336 { 2337 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2338 struct drm_device *dev = crtc->dev; 2339 struct amdgpu_device *adev = dev->dev_private; 2340 u32 pll_in_use; 2341 int pll; 2342 2343 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2344 if (adev->clock.dp_extclk) 2345 /* skip PPLL programming if using ext clock */ 2346 return ATOM_PPLL_INVALID; 2347 else { 2348 /* use the same PPLL for all DP monitors */ 2349 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2350 if (pll != ATOM_PPLL_INVALID) 2351 return pll; 2352 } 2353 } else { 2354 /* use the same PPLL for all monitors with the same clock */ 2355 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2356 if (pll != ATOM_PPLL_INVALID) 2357 return pll; 2358 } 2359 /* otherwise, pick one of the plls */ 2360 if ((adev->asic_type == CHIP_KABINI) || 2361 (adev->asic_type == CHIP_MULLINS)) { 2362 /* KB/ML has PPLL1 and PPLL2 */ 2363 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2364 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2365 return ATOM_PPLL2; 2366 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2367 return ATOM_PPLL1; 2368 DRM_ERROR("unable to allocate a PPLL\n"); 2369 return ATOM_PPLL_INVALID; 2370 } else { 2371 /* CI/KV has PPLL0, PPLL1, and PPLL2 */ 2372 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2373 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2374 return ATOM_PPLL2; 2375 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2376 return ATOM_PPLL1; 2377 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2378 return ATOM_PPLL0; 2379 DRM_ERROR("unable to allocate a PPLL\n"); 2380 return ATOM_PPLL_INVALID; 2381 } 2382 return ATOM_PPLL_INVALID; 2383 } 2384 2385 static void dce_v8_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2386 { 2387 struct amdgpu_device *adev = crtc->dev->dev_private; 2388 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2389 uint32_t cur_lock; 2390 2391 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2392 if (lock) 2393 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK; 2394 else 2395 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK; 2396 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2397 } 2398 2399 static void dce_v8_0_hide_cursor(struct drm_crtc *crtc) 2400 { 2401 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2402 struct amdgpu_device *adev = crtc->dev->dev_private; 2403 2404 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, 2405 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) | 2406 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT)); 2407 } 2408 2409 static void dce_v8_0_show_cursor(struct drm_crtc *crtc) 2410 { 2411 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2412 struct amdgpu_device *adev = crtc->dev->dev_private; 2413 2414 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2415 upper_32_bits(amdgpu_crtc->cursor_addr)); 2416 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2417 lower_32_bits(amdgpu_crtc->cursor_addr)); 2418 2419 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, 2420 CUR_CONTROL__CURSOR_EN_MASK | 2421 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) | 2422 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT)); 2423 } 2424 2425 static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc, 2426 int x, int y) 2427 { 2428 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2429 struct amdgpu_device *adev = crtc->dev->dev_private; 2430 int xorigin = 0, yorigin = 0; 2431 2432 /* avivo cursor are offset into the total surface */ 2433 x += crtc->x; 2434 y += crtc->y; 2435 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2436 2437 if (x < 0) { 2438 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2439 x = 0; 2440 } 2441 if (y < 0) { 2442 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2443 y = 0; 2444 } 2445 2446 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2447 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2448 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2449 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2450 2451 amdgpu_crtc->cursor_x = x; 2452 amdgpu_crtc->cursor_y = y; 2453 2454 return 0; 2455 } 2456 2457 static int dce_v8_0_crtc_cursor_move(struct drm_crtc *crtc, 2458 int x, int y) 2459 { 2460 int ret; 2461 2462 dce_v8_0_lock_cursor(crtc, true); 2463 ret = dce_v8_0_cursor_move_locked(crtc, x, y); 2464 dce_v8_0_lock_cursor(crtc, false); 2465 2466 return ret; 2467 } 2468 2469 static int dce_v8_0_crtc_cursor_set2(struct drm_crtc *crtc, 2470 struct drm_file *file_priv, 2471 uint32_t handle, 2472 uint32_t width, 2473 uint32_t height, 2474 int32_t hot_x, 2475 int32_t hot_y) 2476 { 2477 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2478 struct drm_gem_object *obj; 2479 struct amdgpu_bo *aobj; 2480 int ret; 2481 2482 if (!handle) { 2483 /* turn off cursor */ 2484 dce_v8_0_hide_cursor(crtc); 2485 obj = NULL; 2486 goto unpin; 2487 } 2488 2489 if ((width > amdgpu_crtc->max_cursor_width) || 2490 (height > amdgpu_crtc->max_cursor_height)) { 2491 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2492 return -EINVAL; 2493 } 2494 2495 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); 2496 if (!obj) { 2497 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2498 return -ENOENT; 2499 } 2500 2501 aobj = gem_to_amdgpu_bo(obj); 2502 ret = amdgpu_bo_reserve(aobj, false); 2503 if (ret != 0) { 2504 drm_gem_object_unreference_unlocked(obj); 2505 return ret; 2506 } 2507 2508 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr); 2509 amdgpu_bo_unreserve(aobj); 2510 if (ret) { 2511 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2512 drm_gem_object_unreference_unlocked(obj); 2513 return ret; 2514 } 2515 2516 amdgpu_crtc->cursor_width = width; 2517 amdgpu_crtc->cursor_height = height; 2518 2519 dce_v8_0_lock_cursor(crtc, true); 2520 2521 if (hot_x != amdgpu_crtc->cursor_hot_x || 2522 hot_y != amdgpu_crtc->cursor_hot_y) { 2523 int x, y; 2524 2525 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2526 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2527 2528 dce_v8_0_cursor_move_locked(crtc, x, y); 2529 2530 amdgpu_crtc->cursor_hot_x = hot_x; 2531 amdgpu_crtc->cursor_hot_y = hot_y; 2532 } 2533 2534 dce_v8_0_show_cursor(crtc); 2535 dce_v8_0_lock_cursor(crtc, false); 2536 2537 unpin: 2538 if (amdgpu_crtc->cursor_bo) { 2539 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2540 ret = amdgpu_bo_reserve(aobj, false); 2541 if (likely(ret == 0)) { 2542 amdgpu_bo_unpin(aobj); 2543 amdgpu_bo_unreserve(aobj); 2544 } 2545 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo); 2546 } 2547 2548 amdgpu_crtc->cursor_bo = obj; 2549 return 0; 2550 } 2551 2552 static void dce_v8_0_cursor_reset(struct drm_crtc *crtc) 2553 { 2554 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2555 2556 if (amdgpu_crtc->cursor_bo) { 2557 dce_v8_0_lock_cursor(crtc, true); 2558 2559 dce_v8_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2560 amdgpu_crtc->cursor_y); 2561 2562 dce_v8_0_show_cursor(crtc); 2563 2564 dce_v8_0_lock_cursor(crtc, false); 2565 } 2566 } 2567 2568 static void dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2569 u16 *blue, uint32_t start, uint32_t size) 2570 { 2571 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2572 int end = (start + size > 256) ? 256 : start + size, i; 2573 2574 /* userspace palettes are always correct as is */ 2575 for (i = start; i < end; i++) { 2576 amdgpu_crtc->lut_r[i] = red[i] >> 6; 2577 amdgpu_crtc->lut_g[i] = green[i] >> 6; 2578 amdgpu_crtc->lut_b[i] = blue[i] >> 6; 2579 } 2580 dce_v8_0_crtc_load_lut(crtc); 2581 } 2582 2583 static void dce_v8_0_crtc_destroy(struct drm_crtc *crtc) 2584 { 2585 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2586 2587 drm_crtc_cleanup(crtc); 2588 destroy_workqueue(amdgpu_crtc->pflip_queue); 2589 kfree(amdgpu_crtc); 2590 } 2591 2592 static const struct drm_crtc_funcs dce_v8_0_crtc_funcs = { 2593 .cursor_set2 = dce_v8_0_crtc_cursor_set2, 2594 .cursor_move = dce_v8_0_crtc_cursor_move, 2595 .gamma_set = dce_v8_0_crtc_gamma_set, 2596 .set_config = amdgpu_crtc_set_config, 2597 .destroy = dce_v8_0_crtc_destroy, 2598 .page_flip = amdgpu_crtc_page_flip, 2599 }; 2600 2601 static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2602 { 2603 struct drm_device *dev = crtc->dev; 2604 struct amdgpu_device *adev = dev->dev_private; 2605 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2606 unsigned type; 2607 2608 switch (mode) { 2609 case DRM_MODE_DPMS_ON: 2610 amdgpu_crtc->enabled = true; 2611 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2612 dce_v8_0_vga_enable(crtc, true); 2613 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2614 dce_v8_0_vga_enable(crtc, false); 2615 /* Make sure VBLANK interrupt is still enabled */ 2616 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); 2617 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2618 drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); 2619 dce_v8_0_crtc_load_lut(crtc); 2620 break; 2621 case DRM_MODE_DPMS_STANDBY: 2622 case DRM_MODE_DPMS_SUSPEND: 2623 case DRM_MODE_DPMS_OFF: 2624 drm_vblank_pre_modeset(dev, amdgpu_crtc->crtc_id); 2625 if (amdgpu_crtc->enabled) { 2626 dce_v8_0_vga_enable(crtc, true); 2627 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2628 dce_v8_0_vga_enable(crtc, false); 2629 } 2630 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2631 amdgpu_crtc->enabled = false; 2632 break; 2633 } 2634 /* adjust pm to dpms */ 2635 amdgpu_pm_compute_clocks(adev); 2636 } 2637 2638 static void dce_v8_0_crtc_prepare(struct drm_crtc *crtc) 2639 { 2640 /* disable crtc pair power gating before programming */ 2641 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2642 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2643 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2644 } 2645 2646 static void dce_v8_0_crtc_commit(struct drm_crtc *crtc) 2647 { 2648 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2649 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2650 } 2651 2652 static void dce_v8_0_crtc_disable(struct drm_crtc *crtc) 2653 { 2654 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2655 struct drm_device *dev = crtc->dev; 2656 struct amdgpu_device *adev = dev->dev_private; 2657 struct amdgpu_atom_ss ss; 2658 int i; 2659 2660 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2661 if (crtc->primary->fb) { 2662 int r; 2663 struct amdgpu_framebuffer *amdgpu_fb; 2664 struct amdgpu_bo *rbo; 2665 2666 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); 2667 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj); 2668 r = amdgpu_bo_reserve(rbo, false); 2669 if (unlikely(r)) 2670 DRM_ERROR("failed to reserve rbo before unpin\n"); 2671 else { 2672 amdgpu_bo_unpin(rbo); 2673 amdgpu_bo_unreserve(rbo); 2674 } 2675 } 2676 /* disable the GRPH */ 2677 dce_v8_0_grph_enable(crtc, false); 2678 2679 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2680 2681 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2682 if (adev->mode_info.crtcs[i] && 2683 adev->mode_info.crtcs[i]->enabled && 2684 i != amdgpu_crtc->crtc_id && 2685 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2686 /* one other crtc is using this pll don't turn 2687 * off the pll 2688 */ 2689 goto done; 2690 } 2691 } 2692 2693 switch (amdgpu_crtc->pll_id) { 2694 case ATOM_PPLL1: 2695 case ATOM_PPLL2: 2696 /* disable the ppll */ 2697 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2698 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2699 break; 2700 case ATOM_PPLL0: 2701 /* disable the ppll */ 2702 if ((adev->asic_type == CHIP_KAVERI) || 2703 (adev->asic_type == CHIP_BONAIRE) || 2704 (adev->asic_type == CHIP_HAWAII)) 2705 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2706 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2707 break; 2708 default: 2709 break; 2710 } 2711 done: 2712 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2713 amdgpu_crtc->adjusted_clock = 0; 2714 amdgpu_crtc->encoder = NULL; 2715 amdgpu_crtc->connector = NULL; 2716 } 2717 2718 static int dce_v8_0_crtc_mode_set(struct drm_crtc *crtc, 2719 struct drm_display_mode *mode, 2720 struct drm_display_mode *adjusted_mode, 2721 int x, int y, struct drm_framebuffer *old_fb) 2722 { 2723 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2724 2725 if (!amdgpu_crtc->adjusted_clock) 2726 return -EINVAL; 2727 2728 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2729 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2730 dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2731 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2732 amdgpu_atombios_crtc_scaler_setup(crtc); 2733 dce_v8_0_cursor_reset(crtc); 2734 /* update the hw version fpr dpm */ 2735 amdgpu_crtc->hw_mode = *adjusted_mode; 2736 2737 return 0; 2738 } 2739 2740 static bool dce_v8_0_crtc_mode_fixup(struct drm_crtc *crtc, 2741 const struct drm_display_mode *mode, 2742 struct drm_display_mode *adjusted_mode) 2743 { 2744 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2745 struct drm_device *dev = crtc->dev; 2746 struct drm_encoder *encoder; 2747 2748 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2749 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2750 if (encoder->crtc == crtc) { 2751 amdgpu_crtc->encoder = encoder; 2752 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2753 break; 2754 } 2755 } 2756 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2757 amdgpu_crtc->encoder = NULL; 2758 amdgpu_crtc->connector = NULL; 2759 return false; 2760 } 2761 if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2762 return false; 2763 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2764 return false; 2765 /* pick pll */ 2766 amdgpu_crtc->pll_id = dce_v8_0_pick_pll(crtc); 2767 /* if we can't get a PPLL for a non-DP encoder, fail */ 2768 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2769 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2770 return false; 2771 2772 return true; 2773 } 2774 2775 static int dce_v8_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2776 struct drm_framebuffer *old_fb) 2777 { 2778 return dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2779 } 2780 2781 static int dce_v8_0_crtc_set_base_atomic(struct drm_crtc *crtc, 2782 struct drm_framebuffer *fb, 2783 int x, int y, enum mode_set_atomic state) 2784 { 2785 return dce_v8_0_crtc_do_set_base(crtc, fb, x, y, 1); 2786 } 2787 2788 static const struct drm_crtc_helper_funcs dce_v8_0_crtc_helper_funcs = { 2789 .dpms = dce_v8_0_crtc_dpms, 2790 .mode_fixup = dce_v8_0_crtc_mode_fixup, 2791 .mode_set = dce_v8_0_crtc_mode_set, 2792 .mode_set_base = dce_v8_0_crtc_set_base, 2793 .mode_set_base_atomic = dce_v8_0_crtc_set_base_atomic, 2794 .prepare = dce_v8_0_crtc_prepare, 2795 .commit = dce_v8_0_crtc_commit, 2796 .load_lut = dce_v8_0_crtc_load_lut, 2797 .disable = dce_v8_0_crtc_disable, 2798 }; 2799 2800 static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index) 2801 { 2802 struct amdgpu_crtc *amdgpu_crtc; 2803 int i; 2804 2805 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2806 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2807 if (amdgpu_crtc == NULL) 2808 return -ENOMEM; 2809 2810 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v8_0_crtc_funcs); 2811 2812 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2813 amdgpu_crtc->crtc_id = index; 2814 amdgpu_crtc->pflip_queue = create_singlethread_workqueue("amdgpu-pageflip-queue"); 2815 adev->mode_info.crtcs[index] = amdgpu_crtc; 2816 2817 amdgpu_crtc->max_cursor_width = CIK_CURSOR_WIDTH; 2818 amdgpu_crtc->max_cursor_height = CIK_CURSOR_HEIGHT; 2819 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2820 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2821 2822 for (i = 0; i < 256; i++) { 2823 amdgpu_crtc->lut_r[i] = i << 2; 2824 amdgpu_crtc->lut_g[i] = i << 2; 2825 amdgpu_crtc->lut_b[i] = i << 2; 2826 } 2827 2828 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id]; 2829 2830 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2831 amdgpu_crtc->adjusted_clock = 0; 2832 amdgpu_crtc->encoder = NULL; 2833 amdgpu_crtc->connector = NULL; 2834 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v8_0_crtc_helper_funcs); 2835 2836 return 0; 2837 } 2838 2839 static int dce_v8_0_early_init(void *handle) 2840 { 2841 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2842 2843 adev->audio_endpt_rreg = &dce_v8_0_audio_endpt_rreg; 2844 adev->audio_endpt_wreg = &dce_v8_0_audio_endpt_wreg; 2845 2846 dce_v8_0_set_display_funcs(adev); 2847 dce_v8_0_set_irq_funcs(adev); 2848 2849 switch (adev->asic_type) { 2850 case CHIP_BONAIRE: 2851 case CHIP_HAWAII: 2852 adev->mode_info.num_crtc = 6; 2853 adev->mode_info.num_hpd = 6; 2854 adev->mode_info.num_dig = 6; 2855 break; 2856 case CHIP_KAVERI: 2857 adev->mode_info.num_crtc = 4; 2858 adev->mode_info.num_hpd = 6; 2859 adev->mode_info.num_dig = 7; 2860 break; 2861 case CHIP_KABINI: 2862 case CHIP_MULLINS: 2863 adev->mode_info.num_crtc = 2; 2864 adev->mode_info.num_hpd = 6; 2865 adev->mode_info.num_dig = 6; /* ? */ 2866 break; 2867 default: 2868 /* FIXME: not supported yet */ 2869 return -EINVAL; 2870 } 2871 2872 return 0; 2873 } 2874 2875 static int dce_v8_0_sw_init(void *handle) 2876 { 2877 int r, i; 2878 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2879 2880 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2881 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq); 2882 if (r) 2883 return r; 2884 } 2885 2886 for (i = 8; i < 20; i += 2) { 2887 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq); 2888 if (r) 2889 return r; 2890 } 2891 2892 /* HPD hotplug */ 2893 r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq); 2894 if (r) 2895 return r; 2896 2897 adev->mode_info.mode_config_initialized = true; 2898 2899 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs; 2900 2901 adev->ddev->mode_config.max_width = 16384; 2902 adev->ddev->mode_config.max_height = 16384; 2903 2904 adev->ddev->mode_config.preferred_depth = 24; 2905 adev->ddev->mode_config.prefer_shadow = 1; 2906 2907 adev->ddev->mode_config.fb_base = adev->mc.aper_base; 2908 2909 r = amdgpu_modeset_create_props(adev); 2910 if (r) 2911 return r; 2912 2913 adev->ddev->mode_config.max_width = 16384; 2914 adev->ddev->mode_config.max_height = 16384; 2915 2916 /* allocate crtcs */ 2917 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2918 r = dce_v8_0_crtc_init(adev, i); 2919 if (r) 2920 return r; 2921 } 2922 2923 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 2924 amdgpu_print_display_setup(adev->ddev); 2925 else 2926 return -EINVAL; 2927 2928 /* setup afmt */ 2929 dce_v8_0_afmt_init(adev); 2930 2931 r = dce_v8_0_audio_init(adev); 2932 if (r) 2933 return r; 2934 2935 drm_kms_helper_poll_init(adev->ddev); 2936 2937 return r; 2938 } 2939 2940 static int dce_v8_0_sw_fini(void *handle) 2941 { 2942 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2943 2944 kfree(adev->mode_info.bios_hardcoded_edid); 2945 2946 drm_kms_helper_poll_fini(adev->ddev); 2947 2948 dce_v8_0_audio_fini(adev); 2949 2950 dce_v8_0_afmt_fini(adev); 2951 2952 drm_mode_config_cleanup(adev->ddev); 2953 adev->mode_info.mode_config_initialized = false; 2954 2955 return 0; 2956 } 2957 2958 static int dce_v8_0_hw_init(void *handle) 2959 { 2960 int i; 2961 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2962 2963 /* init dig PHYs, disp eng pll */ 2964 amdgpu_atombios_encoder_init_dig(adev); 2965 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 2966 2967 /* initialize hpd */ 2968 dce_v8_0_hpd_init(adev); 2969 2970 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2971 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2972 } 2973 2974 return 0; 2975 } 2976 2977 static int dce_v8_0_hw_fini(void *handle) 2978 { 2979 int i; 2980 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2981 2982 dce_v8_0_hpd_fini(adev); 2983 2984 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2985 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2986 } 2987 2988 return 0; 2989 } 2990 2991 static int dce_v8_0_suspend(void *handle) 2992 { 2993 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2994 2995 amdgpu_atombios_scratch_regs_save(adev); 2996 2997 return dce_v8_0_hw_fini(handle); 2998 } 2999 3000 static int dce_v8_0_resume(void *handle) 3001 { 3002 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3003 int ret; 3004 3005 ret = dce_v8_0_hw_init(handle); 3006 3007 amdgpu_atombios_scratch_regs_restore(adev); 3008 3009 /* turn on the BL */ 3010 if (adev->mode_info.bl_encoder) { 3011 u8 bl_level = amdgpu_display_backlight_get_level(adev, 3012 adev->mode_info.bl_encoder); 3013 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 3014 bl_level); 3015 } 3016 3017 return ret; 3018 } 3019 3020 static bool dce_v8_0_is_idle(void *handle) 3021 { 3022 return true; 3023 } 3024 3025 static int dce_v8_0_wait_for_idle(void *handle) 3026 { 3027 return 0; 3028 } 3029 3030 static void dce_v8_0_print_status(void *handle) 3031 { 3032 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3033 3034 dev_info(adev->dev, "DCE 8.x registers\n"); 3035 /* XXX todo */ 3036 } 3037 3038 static int dce_v8_0_soft_reset(void *handle) 3039 { 3040 u32 srbm_soft_reset = 0, tmp; 3041 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3042 3043 if (dce_v8_0_is_display_hung(adev)) 3044 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 3045 3046 if (srbm_soft_reset) { 3047 dce_v8_0_print_status((void *)adev); 3048 3049 tmp = RREG32(mmSRBM_SOFT_RESET); 3050 tmp |= srbm_soft_reset; 3051 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 3052 WREG32(mmSRBM_SOFT_RESET, tmp); 3053 tmp = RREG32(mmSRBM_SOFT_RESET); 3054 3055 udelay(50); 3056 3057 tmp &= ~srbm_soft_reset; 3058 WREG32(mmSRBM_SOFT_RESET, tmp); 3059 tmp = RREG32(mmSRBM_SOFT_RESET); 3060 3061 /* Wait a little for things to settle down */ 3062 udelay(50); 3063 dce_v8_0_print_status((void *)adev); 3064 } 3065 return 0; 3066 } 3067 3068 static void dce_v8_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 3069 int crtc, 3070 enum amdgpu_interrupt_state state) 3071 { 3072 u32 reg_block, lb_interrupt_mask; 3073 3074 if (crtc >= adev->mode_info.num_crtc) { 3075 DRM_DEBUG("invalid crtc %d\n", crtc); 3076 return; 3077 } 3078 3079 switch (crtc) { 3080 case 0: 3081 reg_block = CRTC0_REGISTER_OFFSET; 3082 break; 3083 case 1: 3084 reg_block = CRTC1_REGISTER_OFFSET; 3085 break; 3086 case 2: 3087 reg_block = CRTC2_REGISTER_OFFSET; 3088 break; 3089 case 3: 3090 reg_block = CRTC3_REGISTER_OFFSET; 3091 break; 3092 case 4: 3093 reg_block = CRTC4_REGISTER_OFFSET; 3094 break; 3095 case 5: 3096 reg_block = CRTC5_REGISTER_OFFSET; 3097 break; 3098 default: 3099 DRM_DEBUG("invalid crtc %d\n", crtc); 3100 return; 3101 } 3102 3103 switch (state) { 3104 case AMDGPU_IRQ_STATE_DISABLE: 3105 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block); 3106 lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK; 3107 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask); 3108 break; 3109 case AMDGPU_IRQ_STATE_ENABLE: 3110 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block); 3111 lb_interrupt_mask |= LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK; 3112 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask); 3113 break; 3114 default: 3115 break; 3116 } 3117 } 3118 3119 static void dce_v8_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3120 int crtc, 3121 enum amdgpu_interrupt_state state) 3122 { 3123 u32 reg_block, lb_interrupt_mask; 3124 3125 if (crtc >= adev->mode_info.num_crtc) { 3126 DRM_DEBUG("invalid crtc %d\n", crtc); 3127 return; 3128 } 3129 3130 switch (crtc) { 3131 case 0: 3132 reg_block = CRTC0_REGISTER_OFFSET; 3133 break; 3134 case 1: 3135 reg_block = CRTC1_REGISTER_OFFSET; 3136 break; 3137 case 2: 3138 reg_block = CRTC2_REGISTER_OFFSET; 3139 break; 3140 case 3: 3141 reg_block = CRTC3_REGISTER_OFFSET; 3142 break; 3143 case 4: 3144 reg_block = CRTC4_REGISTER_OFFSET; 3145 break; 3146 case 5: 3147 reg_block = CRTC5_REGISTER_OFFSET; 3148 break; 3149 default: 3150 DRM_DEBUG("invalid crtc %d\n", crtc); 3151 return; 3152 } 3153 3154 switch (state) { 3155 case AMDGPU_IRQ_STATE_DISABLE: 3156 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block); 3157 lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK; 3158 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask); 3159 break; 3160 case AMDGPU_IRQ_STATE_ENABLE: 3161 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block); 3162 lb_interrupt_mask |= LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK; 3163 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask); 3164 break; 3165 default: 3166 break; 3167 } 3168 } 3169 3170 static int dce_v8_0_set_hpd_interrupt_state(struct amdgpu_device *adev, 3171 struct amdgpu_irq_src *src, 3172 unsigned type, 3173 enum amdgpu_interrupt_state state) 3174 { 3175 u32 dc_hpd_int_cntl_reg, dc_hpd_int_cntl; 3176 3177 switch (type) { 3178 case AMDGPU_HPD_1: 3179 dc_hpd_int_cntl_reg = mmDC_HPD1_INT_CONTROL; 3180 break; 3181 case AMDGPU_HPD_2: 3182 dc_hpd_int_cntl_reg = mmDC_HPD2_INT_CONTROL; 3183 break; 3184 case AMDGPU_HPD_3: 3185 dc_hpd_int_cntl_reg = mmDC_HPD3_INT_CONTROL; 3186 break; 3187 case AMDGPU_HPD_4: 3188 dc_hpd_int_cntl_reg = mmDC_HPD4_INT_CONTROL; 3189 break; 3190 case AMDGPU_HPD_5: 3191 dc_hpd_int_cntl_reg = mmDC_HPD5_INT_CONTROL; 3192 break; 3193 case AMDGPU_HPD_6: 3194 dc_hpd_int_cntl_reg = mmDC_HPD6_INT_CONTROL; 3195 break; 3196 default: 3197 DRM_DEBUG("invalid hdp %d\n", type); 3198 return 0; 3199 } 3200 3201 switch (state) { 3202 case AMDGPU_IRQ_STATE_DISABLE: 3203 dc_hpd_int_cntl = RREG32(dc_hpd_int_cntl_reg); 3204 dc_hpd_int_cntl &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK; 3205 WREG32(dc_hpd_int_cntl_reg, dc_hpd_int_cntl); 3206 break; 3207 case AMDGPU_IRQ_STATE_ENABLE: 3208 dc_hpd_int_cntl = RREG32(dc_hpd_int_cntl_reg); 3209 dc_hpd_int_cntl |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK; 3210 WREG32(dc_hpd_int_cntl_reg, dc_hpd_int_cntl); 3211 break; 3212 default: 3213 break; 3214 } 3215 3216 return 0; 3217 } 3218 3219 static int dce_v8_0_set_crtc_interrupt_state(struct amdgpu_device *adev, 3220 struct amdgpu_irq_src *src, 3221 unsigned type, 3222 enum amdgpu_interrupt_state state) 3223 { 3224 switch (type) { 3225 case AMDGPU_CRTC_IRQ_VBLANK1: 3226 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3227 break; 3228 case AMDGPU_CRTC_IRQ_VBLANK2: 3229 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3230 break; 3231 case AMDGPU_CRTC_IRQ_VBLANK3: 3232 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3233 break; 3234 case AMDGPU_CRTC_IRQ_VBLANK4: 3235 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3236 break; 3237 case AMDGPU_CRTC_IRQ_VBLANK5: 3238 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3239 break; 3240 case AMDGPU_CRTC_IRQ_VBLANK6: 3241 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3242 break; 3243 case AMDGPU_CRTC_IRQ_VLINE1: 3244 dce_v8_0_set_crtc_vline_interrupt_state(adev, 0, state); 3245 break; 3246 case AMDGPU_CRTC_IRQ_VLINE2: 3247 dce_v8_0_set_crtc_vline_interrupt_state(adev, 1, state); 3248 break; 3249 case AMDGPU_CRTC_IRQ_VLINE3: 3250 dce_v8_0_set_crtc_vline_interrupt_state(adev, 2, state); 3251 break; 3252 case AMDGPU_CRTC_IRQ_VLINE4: 3253 dce_v8_0_set_crtc_vline_interrupt_state(adev, 3, state); 3254 break; 3255 case AMDGPU_CRTC_IRQ_VLINE5: 3256 dce_v8_0_set_crtc_vline_interrupt_state(adev, 4, state); 3257 break; 3258 case AMDGPU_CRTC_IRQ_VLINE6: 3259 dce_v8_0_set_crtc_vline_interrupt_state(adev, 5, state); 3260 break; 3261 default: 3262 break; 3263 } 3264 return 0; 3265 } 3266 3267 static int dce_v8_0_crtc_irq(struct amdgpu_device *adev, 3268 struct amdgpu_irq_src *source, 3269 struct amdgpu_iv_entry *entry) 3270 { 3271 unsigned crtc = entry->src_id - 1; 3272 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3273 unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc); 3274 3275 switch (entry->src_data) { 3276 case 0: /* vblank */ 3277 if (disp_int & interrupt_status_offsets[crtc].vblank) 3278 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], LB_VBLANK_STATUS__VBLANK_ACK_MASK); 3279 else 3280 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3281 3282 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3283 drm_handle_vblank(adev->ddev, crtc); 3284 } 3285 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3286 3287 break; 3288 case 1: /* vline */ 3289 if (disp_int & interrupt_status_offsets[crtc].vline) 3290 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], LB_VLINE_STATUS__VLINE_ACK_MASK); 3291 else 3292 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3293 3294 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3295 3296 break; 3297 default: 3298 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data); 3299 break; 3300 } 3301 3302 return 0; 3303 } 3304 3305 static int dce_v8_0_set_pageflip_interrupt_state(struct amdgpu_device *adev, 3306 struct amdgpu_irq_src *src, 3307 unsigned type, 3308 enum amdgpu_interrupt_state state) 3309 { 3310 u32 reg; 3311 3312 if (type >= adev->mode_info.num_crtc) { 3313 DRM_ERROR("invalid pageflip crtc %d\n", type); 3314 return -EINVAL; 3315 } 3316 3317 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3318 if (state == AMDGPU_IRQ_STATE_DISABLE) 3319 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3320 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3321 else 3322 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3323 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3324 3325 return 0; 3326 } 3327 3328 static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev, 3329 struct amdgpu_irq_src *source, 3330 struct amdgpu_iv_entry *entry) 3331 { 3332 unsigned long flags; 3333 unsigned crtc_id; 3334 struct amdgpu_crtc *amdgpu_crtc; 3335 struct amdgpu_flip_work *works; 3336 3337 crtc_id = (entry->src_id - 8) >> 1; 3338 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3339 3340 if (crtc_id >= adev->mode_info.num_crtc) { 3341 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3342 return -EINVAL; 3343 } 3344 3345 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3346 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3347 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3348 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3349 3350 /* IRQ could occur when in initial stage */ 3351 if (amdgpu_crtc == NULL) 3352 return 0; 3353 3354 spin_lock_irqsave(&adev->ddev->event_lock, flags); 3355 works = amdgpu_crtc->pflip_works; 3356 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){ 3357 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3358 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3359 amdgpu_crtc->pflip_status, 3360 AMDGPU_FLIP_SUBMITTED); 3361 spin_unlock_irqrestore(&adev->ddev->event_lock, flags); 3362 return 0; 3363 } 3364 3365 /* page flip completed. clean up */ 3366 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3367 amdgpu_crtc->pflip_works = NULL; 3368 3369 /* wakeup usersapce */ 3370 if (works->event) 3371 drm_send_vblank_event(adev->ddev, crtc_id, works->event); 3372 3373 spin_unlock_irqrestore(&adev->ddev->event_lock, flags); 3374 3375 drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id); 3376 amdgpu_irq_put(adev, &adev->pageflip_irq, crtc_id); 3377 queue_work(amdgpu_crtc->pflip_queue, &works->unpin_work); 3378 3379 return 0; 3380 } 3381 3382 static int dce_v8_0_hpd_irq(struct amdgpu_device *adev, 3383 struct amdgpu_irq_src *source, 3384 struct amdgpu_iv_entry *entry) 3385 { 3386 uint32_t disp_int, mask, int_control, tmp; 3387 unsigned hpd; 3388 3389 if (entry->src_data >= adev->mode_info.num_hpd) { 3390 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data); 3391 return 0; 3392 } 3393 3394 hpd = entry->src_data; 3395 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3396 mask = interrupt_status_offsets[hpd].hpd; 3397 int_control = hpd_int_control_offsets[hpd]; 3398 3399 if (disp_int & mask) { 3400 tmp = RREG32(int_control); 3401 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK; 3402 WREG32(int_control, tmp); 3403 schedule_work(&adev->hotplug_work); 3404 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3405 } 3406 3407 return 0; 3408 3409 } 3410 3411 static int dce_v8_0_set_clockgating_state(void *handle, 3412 enum amd_clockgating_state state) 3413 { 3414 return 0; 3415 } 3416 3417 static int dce_v8_0_set_powergating_state(void *handle, 3418 enum amd_powergating_state state) 3419 { 3420 return 0; 3421 } 3422 3423 const struct amd_ip_funcs dce_v8_0_ip_funcs = { 3424 .early_init = dce_v8_0_early_init, 3425 .late_init = NULL, 3426 .sw_init = dce_v8_0_sw_init, 3427 .sw_fini = dce_v8_0_sw_fini, 3428 .hw_init = dce_v8_0_hw_init, 3429 .hw_fini = dce_v8_0_hw_fini, 3430 .suspend = dce_v8_0_suspend, 3431 .resume = dce_v8_0_resume, 3432 .is_idle = dce_v8_0_is_idle, 3433 .wait_for_idle = dce_v8_0_wait_for_idle, 3434 .soft_reset = dce_v8_0_soft_reset, 3435 .print_status = dce_v8_0_print_status, 3436 .set_clockgating_state = dce_v8_0_set_clockgating_state, 3437 .set_powergating_state = dce_v8_0_set_powergating_state, 3438 }; 3439 3440 static void 3441 dce_v8_0_encoder_mode_set(struct drm_encoder *encoder, 3442 struct drm_display_mode *mode, 3443 struct drm_display_mode *adjusted_mode) 3444 { 3445 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3446 3447 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3448 3449 /* need to call this here rather than in prepare() since we need some crtc info */ 3450 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3451 3452 /* set scaler clears this on some chips */ 3453 dce_v8_0_set_interleave(encoder->crtc, mode); 3454 3455 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3456 dce_v8_0_afmt_enable(encoder, true); 3457 dce_v8_0_afmt_setmode(encoder, adjusted_mode); 3458 } 3459 } 3460 3461 static void dce_v8_0_encoder_prepare(struct drm_encoder *encoder) 3462 { 3463 struct amdgpu_device *adev = encoder->dev->dev_private; 3464 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3465 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3466 3467 if ((amdgpu_encoder->active_device & 3468 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3469 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3470 ENCODER_OBJECT_ID_NONE)) { 3471 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3472 if (dig) { 3473 dig->dig_encoder = dce_v8_0_pick_dig_encoder(encoder); 3474 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3475 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3476 } 3477 } 3478 3479 amdgpu_atombios_scratch_regs_lock(adev, true); 3480 3481 if (connector) { 3482 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3483 3484 /* select the clock/data port if it uses a router */ 3485 if (amdgpu_connector->router.cd_valid) 3486 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3487 3488 /* turn eDP panel on for mode set */ 3489 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3490 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3491 ATOM_TRANSMITTER_ACTION_POWER_ON); 3492 } 3493 3494 /* this is needed for the pll/ss setup to work correctly in some cases */ 3495 amdgpu_atombios_encoder_set_crtc_source(encoder); 3496 /* set up the FMT blocks */ 3497 dce_v8_0_program_fmt(encoder); 3498 } 3499 3500 static void dce_v8_0_encoder_commit(struct drm_encoder *encoder) 3501 { 3502 struct drm_device *dev = encoder->dev; 3503 struct amdgpu_device *adev = dev->dev_private; 3504 3505 /* need to call this here as we need the crtc set up */ 3506 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3507 amdgpu_atombios_scratch_regs_lock(adev, false); 3508 } 3509 3510 static void dce_v8_0_encoder_disable(struct drm_encoder *encoder) 3511 { 3512 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3513 struct amdgpu_encoder_atom_dig *dig; 3514 3515 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3516 3517 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3518 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3519 dce_v8_0_afmt_enable(encoder, false); 3520 dig = amdgpu_encoder->enc_priv; 3521 dig->dig_encoder = -1; 3522 } 3523 amdgpu_encoder->active_device = 0; 3524 } 3525 3526 /* these are handled by the primary encoders */ 3527 static void dce_v8_0_ext_prepare(struct drm_encoder *encoder) 3528 { 3529 3530 } 3531 3532 static void dce_v8_0_ext_commit(struct drm_encoder *encoder) 3533 { 3534 3535 } 3536 3537 static void 3538 dce_v8_0_ext_mode_set(struct drm_encoder *encoder, 3539 struct drm_display_mode *mode, 3540 struct drm_display_mode *adjusted_mode) 3541 { 3542 3543 } 3544 3545 static void dce_v8_0_ext_disable(struct drm_encoder *encoder) 3546 { 3547 3548 } 3549 3550 static void 3551 dce_v8_0_ext_dpms(struct drm_encoder *encoder, int mode) 3552 { 3553 3554 } 3555 3556 static bool dce_v8_0_ext_mode_fixup(struct drm_encoder *encoder, 3557 const struct drm_display_mode *mode, 3558 struct drm_display_mode *adjusted_mode) 3559 { 3560 return true; 3561 } 3562 3563 static const struct drm_encoder_helper_funcs dce_v8_0_ext_helper_funcs = { 3564 .dpms = dce_v8_0_ext_dpms, 3565 .mode_fixup = dce_v8_0_ext_mode_fixup, 3566 .prepare = dce_v8_0_ext_prepare, 3567 .mode_set = dce_v8_0_ext_mode_set, 3568 .commit = dce_v8_0_ext_commit, 3569 .disable = dce_v8_0_ext_disable, 3570 /* no detect for TMDS/LVDS yet */ 3571 }; 3572 3573 static const struct drm_encoder_helper_funcs dce_v8_0_dig_helper_funcs = { 3574 .dpms = amdgpu_atombios_encoder_dpms, 3575 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3576 .prepare = dce_v8_0_encoder_prepare, 3577 .mode_set = dce_v8_0_encoder_mode_set, 3578 .commit = dce_v8_0_encoder_commit, 3579 .disable = dce_v8_0_encoder_disable, 3580 .detect = amdgpu_atombios_encoder_dig_detect, 3581 }; 3582 3583 static const struct drm_encoder_helper_funcs dce_v8_0_dac_helper_funcs = { 3584 .dpms = amdgpu_atombios_encoder_dpms, 3585 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3586 .prepare = dce_v8_0_encoder_prepare, 3587 .mode_set = dce_v8_0_encoder_mode_set, 3588 .commit = dce_v8_0_encoder_commit, 3589 .detect = amdgpu_atombios_encoder_dac_detect, 3590 }; 3591 3592 static void dce_v8_0_encoder_destroy(struct drm_encoder *encoder) 3593 { 3594 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3595 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3596 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3597 kfree(amdgpu_encoder->enc_priv); 3598 drm_encoder_cleanup(encoder); 3599 kfree(amdgpu_encoder); 3600 } 3601 3602 static const struct drm_encoder_funcs dce_v8_0_encoder_funcs = { 3603 .destroy = dce_v8_0_encoder_destroy, 3604 }; 3605 3606 static void dce_v8_0_encoder_add(struct amdgpu_device *adev, 3607 uint32_t encoder_enum, 3608 uint32_t supported_device, 3609 u16 caps) 3610 { 3611 struct drm_device *dev = adev->ddev; 3612 struct drm_encoder *encoder; 3613 struct amdgpu_encoder *amdgpu_encoder; 3614 3615 /* see if we already added it */ 3616 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3617 amdgpu_encoder = to_amdgpu_encoder(encoder); 3618 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3619 amdgpu_encoder->devices |= supported_device; 3620 return; 3621 } 3622 3623 } 3624 3625 /* add a new one */ 3626 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL); 3627 if (!amdgpu_encoder) 3628 return; 3629 3630 encoder = &amdgpu_encoder->base; 3631 switch (adev->mode_info.num_crtc) { 3632 case 1: 3633 encoder->possible_crtcs = 0x1; 3634 break; 3635 case 2: 3636 default: 3637 encoder->possible_crtcs = 0x3; 3638 break; 3639 case 4: 3640 encoder->possible_crtcs = 0xf; 3641 break; 3642 case 6: 3643 encoder->possible_crtcs = 0x3f; 3644 break; 3645 } 3646 3647 amdgpu_encoder->enc_priv = NULL; 3648 3649 amdgpu_encoder->encoder_enum = encoder_enum; 3650 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3651 amdgpu_encoder->devices = supported_device; 3652 amdgpu_encoder->rmx_type = RMX_OFF; 3653 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3654 amdgpu_encoder->is_ext_encoder = false; 3655 amdgpu_encoder->caps = caps; 3656 3657 switch (amdgpu_encoder->encoder_id) { 3658 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3659 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3660 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs, 3661 DRM_MODE_ENCODER_DAC); 3662 drm_encoder_helper_add(encoder, &dce_v8_0_dac_helper_funcs); 3663 break; 3664 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3665 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3666 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3667 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3668 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3669 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3670 amdgpu_encoder->rmx_type = RMX_FULL; 3671 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs, 3672 DRM_MODE_ENCODER_LVDS); 3673 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3674 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3675 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs, 3676 DRM_MODE_ENCODER_DAC); 3677 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3678 } else { 3679 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs, 3680 DRM_MODE_ENCODER_TMDS); 3681 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3682 } 3683 drm_encoder_helper_add(encoder, &dce_v8_0_dig_helper_funcs); 3684 break; 3685 case ENCODER_OBJECT_ID_SI170B: 3686 case ENCODER_OBJECT_ID_CH7303: 3687 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3688 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3689 case ENCODER_OBJECT_ID_TITFP513: 3690 case ENCODER_OBJECT_ID_VT1623: 3691 case ENCODER_OBJECT_ID_HDMI_SI1930: 3692 case ENCODER_OBJECT_ID_TRAVIS: 3693 case ENCODER_OBJECT_ID_NUTMEG: 3694 /* these are handled by the primary encoders */ 3695 amdgpu_encoder->is_ext_encoder = true; 3696 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3697 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs, 3698 DRM_MODE_ENCODER_LVDS); 3699 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3700 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs, 3701 DRM_MODE_ENCODER_DAC); 3702 else 3703 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs, 3704 DRM_MODE_ENCODER_TMDS); 3705 drm_encoder_helper_add(encoder, &dce_v8_0_ext_helper_funcs); 3706 break; 3707 } 3708 } 3709 3710 static const struct amdgpu_display_funcs dce_v8_0_display_funcs = { 3711 .set_vga_render_state = &dce_v8_0_set_vga_render_state, 3712 .bandwidth_update = &dce_v8_0_bandwidth_update, 3713 .vblank_get_counter = &dce_v8_0_vblank_get_counter, 3714 .vblank_wait = &dce_v8_0_vblank_wait, 3715 .is_display_hung = &dce_v8_0_is_display_hung, 3716 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3717 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3718 .hpd_sense = &dce_v8_0_hpd_sense, 3719 .hpd_set_polarity = &dce_v8_0_hpd_set_polarity, 3720 .hpd_get_gpio_reg = &dce_v8_0_hpd_get_gpio_reg, 3721 .page_flip = &dce_v8_0_page_flip, 3722 .page_flip_get_scanoutpos = &dce_v8_0_crtc_get_scanoutpos, 3723 .add_encoder = &dce_v8_0_encoder_add, 3724 .add_connector = &amdgpu_connector_add, 3725 .stop_mc_access = &dce_v8_0_stop_mc_access, 3726 .resume_mc_access = &dce_v8_0_resume_mc_access, 3727 }; 3728 3729 static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev) 3730 { 3731 if (adev->mode_info.funcs == NULL) 3732 adev->mode_info.funcs = &dce_v8_0_display_funcs; 3733 } 3734 3735 static const struct amdgpu_irq_src_funcs dce_v8_0_crtc_irq_funcs = { 3736 .set = dce_v8_0_set_crtc_interrupt_state, 3737 .process = dce_v8_0_crtc_irq, 3738 }; 3739 3740 static const struct amdgpu_irq_src_funcs dce_v8_0_pageflip_irq_funcs = { 3741 .set = dce_v8_0_set_pageflip_interrupt_state, 3742 .process = dce_v8_0_pageflip_irq, 3743 }; 3744 3745 static const struct amdgpu_irq_src_funcs dce_v8_0_hpd_irq_funcs = { 3746 .set = dce_v8_0_set_hpd_interrupt_state, 3747 .process = dce_v8_0_hpd_irq, 3748 }; 3749 3750 static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev) 3751 { 3752 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST; 3753 adev->crtc_irq.funcs = &dce_v8_0_crtc_irq_funcs; 3754 3755 adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST; 3756 adev->pageflip_irq.funcs = &dce_v8_0_pageflip_irq_funcs; 3757 3758 adev->hpd_irq.num_types = AMDGPU_HPD_LAST; 3759 adev->hpd_irq.funcs = &dce_v8_0_hpd_irq_funcs; 3760 } 3761