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 "vid.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 #include "dce_v11_0.h" 35 36 #include "dce/dce_11_0_d.h" 37 #include "dce/dce_11_0_sh_mask.h" 38 #include "dce/dce_11_0_enum.h" 39 #include "oss/oss_3_0_d.h" 40 #include "oss/oss_3_0_sh_mask.h" 41 #include "gmc/gmc_8_1_d.h" 42 #include "gmc/gmc_8_1_sh_mask.h" 43 44 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev); 45 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev); 46 47 static const u32 crtc_offsets[] = 48 { 49 CRTC0_REGISTER_OFFSET, 50 CRTC1_REGISTER_OFFSET, 51 CRTC2_REGISTER_OFFSET, 52 CRTC3_REGISTER_OFFSET, 53 CRTC4_REGISTER_OFFSET, 54 CRTC5_REGISTER_OFFSET, 55 CRTC6_REGISTER_OFFSET 56 }; 57 58 static const u32 hpd_offsets[] = 59 { 60 HPD0_REGISTER_OFFSET, 61 HPD1_REGISTER_OFFSET, 62 HPD2_REGISTER_OFFSET, 63 HPD3_REGISTER_OFFSET, 64 HPD4_REGISTER_OFFSET, 65 HPD5_REGISTER_OFFSET 66 }; 67 68 static const uint32_t dig_offsets[] = { 69 DIG0_REGISTER_OFFSET, 70 DIG1_REGISTER_OFFSET, 71 DIG2_REGISTER_OFFSET, 72 DIG3_REGISTER_OFFSET, 73 DIG4_REGISTER_OFFSET, 74 DIG5_REGISTER_OFFSET, 75 DIG6_REGISTER_OFFSET, 76 DIG7_REGISTER_OFFSET, 77 DIG8_REGISTER_OFFSET 78 }; 79 80 static const struct { 81 uint32_t reg; 82 uint32_t vblank; 83 uint32_t vline; 84 uint32_t hpd; 85 86 } interrupt_status_offsets[] = { { 87 .reg = mmDISP_INTERRUPT_STATUS, 88 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK, 89 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK, 90 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK 91 }, { 92 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE, 93 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK, 94 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK, 95 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK 96 }, { 97 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2, 98 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK, 99 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK, 100 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK 101 }, { 102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3, 103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK, 104 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK, 105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK 106 }, { 107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4, 108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK, 109 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK, 110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK 111 }, { 112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5, 113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK, 114 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK, 115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK 116 } }; 117 118 static const u32 cz_golden_settings_a11[] = 119 { 120 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000, 121 mmFBC_MISC, 0x1f311fff, 0x14300000, 122 }; 123 124 static const u32 cz_mgcg_cgcg_init[] = 125 { 126 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 127 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 128 }; 129 130 static const u32 stoney_golden_settings_a11[] = 131 { 132 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000, 133 mmFBC_MISC, 0x1f311fff, 0x14302000, 134 }; 135 136 static const u32 polaris11_golden_settings_a11[] = 137 { 138 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 139 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 140 mmFBC_DEBUG1, 0xffffffff, 0x00000008, 141 mmFBC_MISC, 0x9f313fff, 0x14302008, 142 mmHDMI_CONTROL, 0x313f031f, 0x00000011, 143 }; 144 145 static const u32 polaris10_golden_settings_a11[] = 146 { 147 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 148 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 149 mmFBC_MISC, 0x9f313fff, 0x14302008, 150 mmHDMI_CONTROL, 0x313f031f, 0x00000011, 151 }; 152 153 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev) 154 { 155 switch (adev->asic_type) { 156 case CHIP_CARRIZO: 157 amdgpu_program_register_sequence(adev, 158 cz_mgcg_cgcg_init, 159 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init)); 160 amdgpu_program_register_sequence(adev, 161 cz_golden_settings_a11, 162 (const u32)ARRAY_SIZE(cz_golden_settings_a11)); 163 break; 164 case CHIP_STONEY: 165 amdgpu_program_register_sequence(adev, 166 stoney_golden_settings_a11, 167 (const u32)ARRAY_SIZE(stoney_golden_settings_a11)); 168 break; 169 case CHIP_POLARIS11: 170 case CHIP_POLARIS12: 171 amdgpu_program_register_sequence(adev, 172 polaris11_golden_settings_a11, 173 (const u32)ARRAY_SIZE(polaris11_golden_settings_a11)); 174 break; 175 case CHIP_POLARIS10: 176 amdgpu_program_register_sequence(adev, 177 polaris10_golden_settings_a11, 178 (const u32)ARRAY_SIZE(polaris10_golden_settings_a11)); 179 break; 180 default: 181 break; 182 } 183 } 184 185 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev, 186 u32 block_offset, u32 reg) 187 { 188 unsigned long flags; 189 u32 r; 190 191 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 192 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 193 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset); 194 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 195 196 return r; 197 } 198 199 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev, 200 u32 block_offset, u32 reg, u32 v) 201 { 202 unsigned long flags; 203 204 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 205 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 206 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v); 207 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 208 } 209 210 static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc) 211 { 212 if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) & 213 CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK) 214 return true; 215 else 216 return false; 217 } 218 219 static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc) 220 { 221 u32 pos1, pos2; 222 223 pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 224 pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 225 226 if (pos1 != pos2) 227 return true; 228 else 229 return false; 230 } 231 232 /** 233 * dce_v11_0_vblank_wait - vblank wait asic callback. 234 * 235 * @adev: amdgpu_device pointer 236 * @crtc: crtc to wait for vblank on 237 * 238 * Wait for vblank on the requested crtc (evergreen+). 239 */ 240 static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc) 241 { 242 unsigned i = 100; 243 244 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) 245 return; 246 247 if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK)) 248 return; 249 250 /* depending on when we hit vblank, we may be close to active; if so, 251 * wait for another frame. 252 */ 253 while (dce_v11_0_is_in_vblank(adev, crtc)) { 254 if (i++ == 100) { 255 i = 0; 256 if (!dce_v11_0_is_counter_moving(adev, crtc)) 257 break; 258 } 259 } 260 261 while (!dce_v11_0_is_in_vblank(adev, crtc)) { 262 if (i++ == 100) { 263 i = 0; 264 if (!dce_v11_0_is_counter_moving(adev, crtc)) 265 break; 266 } 267 } 268 } 269 270 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) 271 { 272 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) 273 return 0; 274 else 275 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 276 } 277 278 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev) 279 { 280 unsigned i; 281 282 /* Enable pflip interrupts */ 283 for (i = 0; i < adev->mode_info.num_crtc; i++) 284 amdgpu_irq_get(adev, &adev->pageflip_irq, i); 285 } 286 287 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev) 288 { 289 unsigned i; 290 291 /* Disable pflip interrupts */ 292 for (i = 0; i < adev->mode_info.num_crtc; i++) 293 amdgpu_irq_put(adev, &adev->pageflip_irq, i); 294 } 295 296 /** 297 * dce_v11_0_page_flip - pageflip callback. 298 * 299 * @adev: amdgpu_device pointer 300 * @crtc_id: crtc to cleanup pageflip on 301 * @crtc_base: new address of the crtc (GPU MC address) 302 * 303 * Triggers the actual pageflip by updating the primary 304 * surface base address. 305 */ 306 static void dce_v11_0_page_flip(struct amdgpu_device *adev, 307 int crtc_id, u64 crtc_base, bool async) 308 { 309 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 310 u32 tmp; 311 312 /* flip immediate for async, default is vsync */ 313 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 314 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 315 GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0); 316 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 317 /* update the scanout addresses */ 318 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 319 upper_32_bits(crtc_base)); 320 /* writing to the low address triggers the update */ 321 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 322 lower_32_bits(crtc_base)); 323 /* post the write */ 324 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); 325 } 326 327 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 328 u32 *vbl, u32 *position) 329 { 330 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 331 return -EINVAL; 332 333 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 334 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 335 336 return 0; 337 } 338 339 /** 340 * dce_v11_0_hpd_sense - hpd sense callback. 341 * 342 * @adev: amdgpu_device pointer 343 * @hpd: hpd (hotplug detect) pin 344 * 345 * Checks if a digital monitor is connected (evergreen+). 346 * Returns true if connected, false if not connected. 347 */ 348 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev, 349 enum amdgpu_hpd_id hpd) 350 { 351 bool connected = false; 352 353 if (hpd >= adev->mode_info.num_hpd) 354 return connected; 355 356 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & 357 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) 358 connected = true; 359 360 return connected; 361 } 362 363 /** 364 * dce_v11_0_hpd_set_polarity - hpd set polarity callback. 365 * 366 * @adev: amdgpu_device pointer 367 * @hpd: hpd (hotplug detect) pin 368 * 369 * Set the polarity of the hpd pin (evergreen+). 370 */ 371 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev, 372 enum amdgpu_hpd_id hpd) 373 { 374 u32 tmp; 375 bool connected = dce_v11_0_hpd_sense(adev, hpd); 376 377 if (hpd >= adev->mode_info.num_hpd) 378 return; 379 380 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 381 if (connected) 382 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); 383 else 384 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); 385 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 386 } 387 388 /** 389 * dce_v11_0_hpd_init - hpd setup callback. 390 * 391 * @adev: amdgpu_device pointer 392 * 393 * Setup the hpd pins used by the card (evergreen+). 394 * Enable the pin, set the polarity, and enable the hpd interrupts. 395 */ 396 static void dce_v11_0_hpd_init(struct amdgpu_device *adev) 397 { 398 struct drm_device *dev = adev->ddev; 399 struct drm_connector *connector; 400 u32 tmp; 401 402 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 403 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 404 405 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 406 continue; 407 408 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 409 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 410 /* don't try to enable hpd on eDP or LVDS avoid breaking the 411 * aux dp channel on imac and help (but not completely fix) 412 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 413 * also avoid interrupt storms during dpms. 414 */ 415 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 416 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 417 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 418 continue; 419 } 420 421 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 422 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); 423 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 424 425 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); 426 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 427 DC_HPD_CONNECT_INT_DELAY, 428 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); 429 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 430 DC_HPD_DISCONNECT_INT_DELAY, 431 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); 432 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 433 434 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 435 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 436 } 437 } 438 439 /** 440 * dce_v11_0_hpd_fini - hpd tear down callback. 441 * 442 * @adev: amdgpu_device pointer 443 * 444 * Tear down the hpd pins used by the card (evergreen+). 445 * Disable the hpd interrupts. 446 */ 447 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev) 448 { 449 struct drm_device *dev = adev->ddev; 450 struct drm_connector *connector; 451 u32 tmp; 452 453 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 454 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 455 456 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 457 continue; 458 459 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 460 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); 461 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 462 463 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 464 } 465 } 466 467 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 468 { 469 return mmDC_GPIO_HPD_A; 470 } 471 472 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev) 473 { 474 u32 crtc_hung = 0; 475 u32 crtc_status[6]; 476 u32 i, j, tmp; 477 478 for (i = 0; i < adev->mode_info.num_crtc; i++) { 479 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 480 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) { 481 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 482 crtc_hung |= (1 << i); 483 } 484 } 485 486 for (j = 0; j < 10; j++) { 487 for (i = 0; i < adev->mode_info.num_crtc; i++) { 488 if (crtc_hung & (1 << i)) { 489 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 490 if (tmp != crtc_status[i]) 491 crtc_hung &= ~(1 << i); 492 } 493 } 494 if (crtc_hung == 0) 495 return false; 496 udelay(100); 497 } 498 499 return true; 500 } 501 502 static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev, 503 struct amdgpu_mode_mc_save *save) 504 { 505 u32 crtc_enabled, tmp; 506 int i; 507 508 save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL); 509 save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL); 510 511 /* disable VGA render */ 512 tmp = RREG32(mmVGA_RENDER_CONTROL); 513 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 514 WREG32(mmVGA_RENDER_CONTROL, tmp); 515 516 /* blank the display controllers */ 517 for (i = 0; i < adev->mode_info.num_crtc; i++) { 518 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 519 CRTC_CONTROL, CRTC_MASTER_EN); 520 if (crtc_enabled) { 521 #if 1 522 save->crtc_enabled[i] = true; 523 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]); 524 if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) { 525 /*it is correct only for RGB ; black is 0*/ 526 WREG32(mmCRTC_BLANK_DATA_COLOR + crtc_offsets[i], 0); 527 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1); 528 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp); 529 } 530 #else 531 /* XXX this is a hack to avoid strange behavior with EFI on certain systems */ 532 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 533 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 534 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 535 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 536 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 537 save->crtc_enabled[i] = false; 538 /* ***** */ 539 #endif 540 } else { 541 save->crtc_enabled[i] = false; 542 } 543 } 544 } 545 546 static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev, 547 struct amdgpu_mode_mc_save *save) 548 { 549 u32 tmp; 550 int i; 551 552 /* update crtc base addresses */ 553 for (i = 0; i < adev->mode_info.num_crtc; i++) { 554 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], 555 upper_32_bits(adev->mc.vram_start)); 556 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i], 557 (u32)adev->mc.vram_start); 558 559 if (save->crtc_enabled[i]) { 560 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]); 561 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0); 562 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp); 563 } 564 } 565 566 WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start)); 567 WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start)); 568 569 /* Unlock vga access */ 570 WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control); 571 mdelay(1); 572 WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control); 573 } 574 575 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev, 576 bool render) 577 { 578 u32 tmp; 579 580 /* Lockout access through VGA aperture*/ 581 tmp = RREG32(mmVGA_HDP_CONTROL); 582 if (render) 583 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 584 else 585 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 586 WREG32(mmVGA_HDP_CONTROL, tmp); 587 588 /* disable VGA render */ 589 tmp = RREG32(mmVGA_RENDER_CONTROL); 590 if (render) 591 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 592 else 593 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 594 WREG32(mmVGA_RENDER_CONTROL, tmp); 595 } 596 597 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev) 598 { 599 int num_crtc = 0; 600 601 switch (adev->asic_type) { 602 case CHIP_CARRIZO: 603 num_crtc = 3; 604 break; 605 case CHIP_STONEY: 606 num_crtc = 2; 607 break; 608 case CHIP_POLARIS10: 609 num_crtc = 6; 610 break; 611 case CHIP_POLARIS11: 612 case CHIP_POLARIS12: 613 num_crtc = 5; 614 break; 615 default: 616 num_crtc = 0; 617 } 618 return num_crtc; 619 } 620 621 void dce_v11_0_disable_dce(struct amdgpu_device *adev) 622 { 623 /*Disable VGA render and enabled crtc, if has DCE engine*/ 624 if (amdgpu_atombios_has_dce_engine_info(adev)) { 625 u32 tmp; 626 int crtc_enabled, i; 627 628 dce_v11_0_set_vga_render_state(adev, false); 629 630 /*Disable crtc*/ 631 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) { 632 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 633 CRTC_CONTROL, CRTC_MASTER_EN); 634 if (crtc_enabled) { 635 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 636 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 637 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 638 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 639 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 640 } 641 } 642 } 643 } 644 645 static void dce_v11_0_program_fmt(struct drm_encoder *encoder) 646 { 647 struct drm_device *dev = encoder->dev; 648 struct amdgpu_device *adev = dev->dev_private; 649 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 650 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 651 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 652 int bpc = 0; 653 u32 tmp = 0; 654 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 655 656 if (connector) { 657 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 658 bpc = amdgpu_connector_get_monitor_bpc(connector); 659 dither = amdgpu_connector->dither; 660 } 661 662 /* LVDS/eDP FMT is set up by atom */ 663 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 664 return; 665 666 /* not needed for analog */ 667 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 668 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 669 return; 670 671 if (bpc == 0) 672 return; 673 674 switch (bpc) { 675 case 6: 676 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 677 /* XXX sort out optimal dither settings */ 678 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 679 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 680 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 681 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0); 682 } else { 683 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 684 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0); 685 } 686 break; 687 case 8: 688 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 689 /* XXX sort out optimal dither settings */ 690 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 691 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 692 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 693 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 694 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1); 695 } else { 696 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 697 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1); 698 } 699 break; 700 case 10: 701 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 702 /* XXX sort out optimal dither settings */ 703 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 704 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 705 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 706 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 707 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2); 708 } else { 709 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 710 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2); 711 } 712 break; 713 default: 714 /* not needed */ 715 break; 716 } 717 718 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 719 } 720 721 722 /* display watermark setup */ 723 /** 724 * dce_v11_0_line_buffer_adjust - Set up the line buffer 725 * 726 * @adev: amdgpu_device pointer 727 * @amdgpu_crtc: the selected display controller 728 * @mode: the current display mode on the selected display 729 * controller 730 * 731 * Setup up the line buffer allocation for 732 * the selected display controller (CIK). 733 * Returns the line buffer size in pixels. 734 */ 735 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev, 736 struct amdgpu_crtc *amdgpu_crtc, 737 struct drm_display_mode *mode) 738 { 739 u32 tmp, buffer_alloc, i, mem_cfg; 740 u32 pipe_offset = amdgpu_crtc->crtc_id; 741 /* 742 * Line Buffer Setup 743 * There are 6 line buffers, one for each display controllers. 744 * There are 3 partitions per LB. Select the number of partitions 745 * to enable based on the display width. For display widths larger 746 * than 4096, you need use to use 2 display controllers and combine 747 * them using the stereo blender. 748 */ 749 if (amdgpu_crtc->base.enabled && mode) { 750 if (mode->crtc_hdisplay < 1920) { 751 mem_cfg = 1; 752 buffer_alloc = 2; 753 } else if (mode->crtc_hdisplay < 2560) { 754 mem_cfg = 2; 755 buffer_alloc = 2; 756 } else if (mode->crtc_hdisplay < 4096) { 757 mem_cfg = 0; 758 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 759 } else { 760 DRM_DEBUG_KMS("Mode too big for LB!\n"); 761 mem_cfg = 0; 762 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 763 } 764 } else { 765 mem_cfg = 1; 766 buffer_alloc = 0; 767 } 768 769 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset); 770 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg); 771 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp); 772 773 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 774 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc); 775 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp); 776 777 for (i = 0; i < adev->usec_timeout; i++) { 778 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 779 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED)) 780 break; 781 udelay(1); 782 } 783 784 if (amdgpu_crtc->base.enabled && mode) { 785 switch (mem_cfg) { 786 case 0: 787 default: 788 return 4096 * 2; 789 case 1: 790 return 1920 * 2; 791 case 2: 792 return 2560 * 2; 793 } 794 } 795 796 /* controller not enabled, so no lb used */ 797 return 0; 798 } 799 800 /** 801 * cik_get_number_of_dram_channels - get the number of dram channels 802 * 803 * @adev: amdgpu_device pointer 804 * 805 * Look up the number of video ram channels (CIK). 806 * Used for display watermark bandwidth calculations 807 * Returns the number of dram channels 808 */ 809 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 810 { 811 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 812 813 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 814 case 0: 815 default: 816 return 1; 817 case 1: 818 return 2; 819 case 2: 820 return 4; 821 case 3: 822 return 8; 823 case 4: 824 return 3; 825 case 5: 826 return 6; 827 case 6: 828 return 10; 829 case 7: 830 return 12; 831 case 8: 832 return 16; 833 } 834 } 835 836 struct dce10_wm_params { 837 u32 dram_channels; /* number of dram channels */ 838 u32 yclk; /* bandwidth per dram data pin in kHz */ 839 u32 sclk; /* engine clock in kHz */ 840 u32 disp_clk; /* display clock in kHz */ 841 u32 src_width; /* viewport width */ 842 u32 active_time; /* active display time in ns */ 843 u32 blank_time; /* blank time in ns */ 844 bool interlaced; /* mode is interlaced */ 845 fixed20_12 vsc; /* vertical scale ratio */ 846 u32 num_heads; /* number of active crtcs */ 847 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 848 u32 lb_size; /* line buffer allocated to pipe */ 849 u32 vtaps; /* vertical scaler taps */ 850 }; 851 852 /** 853 * dce_v11_0_dram_bandwidth - get the dram bandwidth 854 * 855 * @wm: watermark calculation data 856 * 857 * Calculate the raw dram bandwidth (CIK). 858 * Used for display watermark bandwidth calculations 859 * Returns the dram bandwidth in MBytes/s 860 */ 861 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm) 862 { 863 /* Calculate raw DRAM Bandwidth */ 864 fixed20_12 dram_efficiency; /* 0.7 */ 865 fixed20_12 yclk, dram_channels, bandwidth; 866 fixed20_12 a; 867 868 a.full = dfixed_const(1000); 869 yclk.full = dfixed_const(wm->yclk); 870 yclk.full = dfixed_div(yclk, a); 871 dram_channels.full = dfixed_const(wm->dram_channels * 4); 872 a.full = dfixed_const(10); 873 dram_efficiency.full = dfixed_const(7); 874 dram_efficiency.full = dfixed_div(dram_efficiency, a); 875 bandwidth.full = dfixed_mul(dram_channels, yclk); 876 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 877 878 return dfixed_trunc(bandwidth); 879 } 880 881 /** 882 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display 883 * 884 * @wm: watermark calculation data 885 * 886 * Calculate the dram bandwidth used for display (CIK). 887 * Used for display watermark bandwidth calculations 888 * Returns the dram bandwidth for display in MBytes/s 889 */ 890 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm) 891 { 892 /* Calculate DRAM Bandwidth and the part allocated to display. */ 893 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 894 fixed20_12 yclk, dram_channels, bandwidth; 895 fixed20_12 a; 896 897 a.full = dfixed_const(1000); 898 yclk.full = dfixed_const(wm->yclk); 899 yclk.full = dfixed_div(yclk, a); 900 dram_channels.full = dfixed_const(wm->dram_channels * 4); 901 a.full = dfixed_const(10); 902 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 903 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 904 bandwidth.full = dfixed_mul(dram_channels, yclk); 905 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 906 907 return dfixed_trunc(bandwidth); 908 } 909 910 /** 911 * dce_v11_0_data_return_bandwidth - get the data return bandwidth 912 * 913 * @wm: watermark calculation data 914 * 915 * Calculate the data return bandwidth used for display (CIK). 916 * Used for display watermark bandwidth calculations 917 * Returns the data return bandwidth in MBytes/s 918 */ 919 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm) 920 { 921 /* Calculate the display Data return Bandwidth */ 922 fixed20_12 return_efficiency; /* 0.8 */ 923 fixed20_12 sclk, bandwidth; 924 fixed20_12 a; 925 926 a.full = dfixed_const(1000); 927 sclk.full = dfixed_const(wm->sclk); 928 sclk.full = dfixed_div(sclk, a); 929 a.full = dfixed_const(10); 930 return_efficiency.full = dfixed_const(8); 931 return_efficiency.full = dfixed_div(return_efficiency, a); 932 a.full = dfixed_const(32); 933 bandwidth.full = dfixed_mul(a, sclk); 934 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 935 936 return dfixed_trunc(bandwidth); 937 } 938 939 /** 940 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth 941 * 942 * @wm: watermark calculation data 943 * 944 * Calculate the dmif bandwidth used for display (CIK). 945 * Used for display watermark bandwidth calculations 946 * Returns the dmif bandwidth in MBytes/s 947 */ 948 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm) 949 { 950 /* Calculate the DMIF Request Bandwidth */ 951 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 952 fixed20_12 disp_clk, bandwidth; 953 fixed20_12 a, b; 954 955 a.full = dfixed_const(1000); 956 disp_clk.full = dfixed_const(wm->disp_clk); 957 disp_clk.full = dfixed_div(disp_clk, a); 958 a.full = dfixed_const(32); 959 b.full = dfixed_mul(a, disp_clk); 960 961 a.full = dfixed_const(10); 962 disp_clk_request_efficiency.full = dfixed_const(8); 963 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 964 965 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 966 967 return dfixed_trunc(bandwidth); 968 } 969 970 /** 971 * dce_v11_0_available_bandwidth - get the min available bandwidth 972 * 973 * @wm: watermark calculation data 974 * 975 * Calculate the min available bandwidth used for display (CIK). 976 * Used for display watermark bandwidth calculations 977 * Returns the min available bandwidth in MBytes/s 978 */ 979 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm) 980 { 981 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 982 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm); 983 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm); 984 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm); 985 986 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 987 } 988 989 /** 990 * dce_v11_0_average_bandwidth - get the average available bandwidth 991 * 992 * @wm: watermark calculation data 993 * 994 * Calculate the average available bandwidth used for display (CIK). 995 * Used for display watermark bandwidth calculations 996 * Returns the average available bandwidth in MBytes/s 997 */ 998 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm) 999 { 1000 /* Calculate the display mode Average Bandwidth 1001 * DisplayMode should contain the source and destination dimensions, 1002 * timing, etc. 1003 */ 1004 fixed20_12 bpp; 1005 fixed20_12 line_time; 1006 fixed20_12 src_width; 1007 fixed20_12 bandwidth; 1008 fixed20_12 a; 1009 1010 a.full = dfixed_const(1000); 1011 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 1012 line_time.full = dfixed_div(line_time, a); 1013 bpp.full = dfixed_const(wm->bytes_per_pixel); 1014 src_width.full = dfixed_const(wm->src_width); 1015 bandwidth.full = dfixed_mul(src_width, bpp); 1016 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 1017 bandwidth.full = dfixed_div(bandwidth, line_time); 1018 1019 return dfixed_trunc(bandwidth); 1020 } 1021 1022 /** 1023 * dce_v11_0_latency_watermark - get the latency watermark 1024 * 1025 * @wm: watermark calculation data 1026 * 1027 * Calculate the latency watermark (CIK). 1028 * Used for display watermark bandwidth calculations 1029 * Returns the latency watermark in ns 1030 */ 1031 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm) 1032 { 1033 /* First calculate the latency in ns */ 1034 u32 mc_latency = 2000; /* 2000 ns. */ 1035 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm); 1036 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 1037 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 1038 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 1039 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 1040 (wm->num_heads * cursor_line_pair_return_time); 1041 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 1042 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 1043 u32 tmp, dmif_size = 12288; 1044 fixed20_12 a, b, c; 1045 1046 if (wm->num_heads == 0) 1047 return 0; 1048 1049 a.full = dfixed_const(2); 1050 b.full = dfixed_const(1); 1051 if ((wm->vsc.full > a.full) || 1052 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 1053 (wm->vtaps >= 5) || 1054 ((wm->vsc.full >= a.full) && wm->interlaced)) 1055 max_src_lines_per_dst_line = 4; 1056 else 1057 max_src_lines_per_dst_line = 2; 1058 1059 a.full = dfixed_const(available_bandwidth); 1060 b.full = dfixed_const(wm->num_heads); 1061 a.full = dfixed_div(a, b); 1062 1063 b.full = dfixed_const(mc_latency + 512); 1064 c.full = dfixed_const(wm->disp_clk); 1065 b.full = dfixed_div(b, c); 1066 1067 c.full = dfixed_const(dmif_size); 1068 b.full = dfixed_div(c, b); 1069 1070 tmp = min(dfixed_trunc(a), dfixed_trunc(b)); 1071 1072 b.full = dfixed_const(1000); 1073 c.full = dfixed_const(wm->disp_clk); 1074 b.full = dfixed_div(c, b); 1075 c.full = dfixed_const(wm->bytes_per_pixel); 1076 b.full = dfixed_mul(b, c); 1077 1078 lb_fill_bw = min(tmp, dfixed_trunc(b)); 1079 1080 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 1081 b.full = dfixed_const(1000); 1082 c.full = dfixed_const(lb_fill_bw); 1083 b.full = dfixed_div(c, b); 1084 a.full = dfixed_div(a, b); 1085 line_fill_time = dfixed_trunc(a); 1086 1087 if (line_fill_time < wm->active_time) 1088 return latency; 1089 else 1090 return latency + (line_fill_time - wm->active_time); 1091 1092 } 1093 1094 /** 1095 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check 1096 * average and available dram bandwidth 1097 * 1098 * @wm: watermark calculation data 1099 * 1100 * Check if the display average bandwidth fits in the display 1101 * dram bandwidth (CIK). 1102 * Used for display watermark bandwidth calculations 1103 * Returns true if the display fits, false if not. 1104 */ 1105 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm) 1106 { 1107 if (dce_v11_0_average_bandwidth(wm) <= 1108 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 1109 return true; 1110 else 1111 return false; 1112 } 1113 1114 /** 1115 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check 1116 * average and available bandwidth 1117 * 1118 * @wm: watermark calculation data 1119 * 1120 * Check if the display average bandwidth fits in the display 1121 * available bandwidth (CIK). 1122 * Used for display watermark bandwidth calculations 1123 * Returns true if the display fits, false if not. 1124 */ 1125 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm) 1126 { 1127 if (dce_v11_0_average_bandwidth(wm) <= 1128 (dce_v11_0_available_bandwidth(wm) / wm->num_heads)) 1129 return true; 1130 else 1131 return false; 1132 } 1133 1134 /** 1135 * dce_v11_0_check_latency_hiding - check latency hiding 1136 * 1137 * @wm: watermark calculation data 1138 * 1139 * Check latency hiding (CIK). 1140 * Used for display watermark bandwidth calculations 1141 * Returns true if the display fits, false if not. 1142 */ 1143 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm) 1144 { 1145 u32 lb_partitions = wm->lb_size / wm->src_width; 1146 u32 line_time = wm->active_time + wm->blank_time; 1147 u32 latency_tolerant_lines; 1148 u32 latency_hiding; 1149 fixed20_12 a; 1150 1151 a.full = dfixed_const(1); 1152 if (wm->vsc.full > a.full) 1153 latency_tolerant_lines = 1; 1154 else { 1155 if (lb_partitions <= (wm->vtaps + 1)) 1156 latency_tolerant_lines = 1; 1157 else 1158 latency_tolerant_lines = 2; 1159 } 1160 1161 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1162 1163 if (dce_v11_0_latency_watermark(wm) <= latency_hiding) 1164 return true; 1165 else 1166 return false; 1167 } 1168 1169 /** 1170 * dce_v11_0_program_watermarks - program display watermarks 1171 * 1172 * @adev: amdgpu_device pointer 1173 * @amdgpu_crtc: the selected display controller 1174 * @lb_size: line buffer size 1175 * @num_heads: number of display controllers in use 1176 * 1177 * Calculate and program the display watermarks for the 1178 * selected display controller (CIK). 1179 */ 1180 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, 1181 struct amdgpu_crtc *amdgpu_crtc, 1182 u32 lb_size, u32 num_heads) 1183 { 1184 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1185 struct dce10_wm_params wm_low, wm_high; 1186 u32 pixel_period; 1187 u32 line_time = 0; 1188 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1189 u32 tmp, wm_mask, lb_vblank_lead_lines = 0; 1190 1191 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1192 pixel_period = 1000000 / (u32)mode->clock; 1193 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535); 1194 1195 /* watermark for high clocks */ 1196 if (adev->pm.dpm_enabled) { 1197 wm_high.yclk = 1198 amdgpu_dpm_get_mclk(adev, false) * 10; 1199 wm_high.sclk = 1200 amdgpu_dpm_get_sclk(adev, false) * 10; 1201 } else { 1202 wm_high.yclk = adev->pm.current_mclk * 10; 1203 wm_high.sclk = adev->pm.current_sclk * 10; 1204 } 1205 1206 wm_high.disp_clk = mode->clock; 1207 wm_high.src_width = mode->crtc_hdisplay; 1208 wm_high.active_time = mode->crtc_hdisplay * pixel_period; 1209 wm_high.blank_time = line_time - wm_high.active_time; 1210 wm_high.interlaced = false; 1211 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1212 wm_high.interlaced = true; 1213 wm_high.vsc = amdgpu_crtc->vsc; 1214 wm_high.vtaps = 1; 1215 if (amdgpu_crtc->rmx_type != RMX_OFF) 1216 wm_high.vtaps = 2; 1217 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1218 wm_high.lb_size = lb_size; 1219 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1220 wm_high.num_heads = num_heads; 1221 1222 /* set for high clocks */ 1223 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535); 1224 1225 /* possibly force display priority to high */ 1226 /* should really do this at mode validation time... */ 1227 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1228 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1229 !dce_v11_0_check_latency_hiding(&wm_high) || 1230 (adev->mode_info.disp_priority == 2)) { 1231 DRM_DEBUG_KMS("force priority to high\n"); 1232 } 1233 1234 /* watermark for low clocks */ 1235 if (adev->pm.dpm_enabled) { 1236 wm_low.yclk = 1237 amdgpu_dpm_get_mclk(adev, true) * 10; 1238 wm_low.sclk = 1239 amdgpu_dpm_get_sclk(adev, true) * 10; 1240 } else { 1241 wm_low.yclk = adev->pm.current_mclk * 10; 1242 wm_low.sclk = adev->pm.current_sclk * 10; 1243 } 1244 1245 wm_low.disp_clk = mode->clock; 1246 wm_low.src_width = mode->crtc_hdisplay; 1247 wm_low.active_time = mode->crtc_hdisplay * pixel_period; 1248 wm_low.blank_time = line_time - wm_low.active_time; 1249 wm_low.interlaced = false; 1250 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1251 wm_low.interlaced = true; 1252 wm_low.vsc = amdgpu_crtc->vsc; 1253 wm_low.vtaps = 1; 1254 if (amdgpu_crtc->rmx_type != RMX_OFF) 1255 wm_low.vtaps = 2; 1256 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1257 wm_low.lb_size = lb_size; 1258 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1259 wm_low.num_heads = num_heads; 1260 1261 /* set for low clocks */ 1262 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535); 1263 1264 /* possibly force display priority to high */ 1265 /* should really do this at mode validation time... */ 1266 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1267 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1268 !dce_v11_0_check_latency_hiding(&wm_low) || 1269 (adev->mode_info.disp_priority == 2)) { 1270 DRM_DEBUG_KMS("force priority to high\n"); 1271 } 1272 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); 1273 } 1274 1275 /* select wm A */ 1276 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1277 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1); 1278 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1279 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1280 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a); 1281 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1282 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1283 /* select wm B */ 1284 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2); 1285 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1286 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1287 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b); 1288 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1289 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1290 /* restore original selection */ 1291 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1292 1293 /* save values for DPM */ 1294 amdgpu_crtc->line_time = line_time; 1295 amdgpu_crtc->wm_high = latency_watermark_a; 1296 amdgpu_crtc->wm_low = latency_watermark_b; 1297 /* Save number of lines the linebuffer leads before the scanout */ 1298 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; 1299 } 1300 1301 /** 1302 * dce_v11_0_bandwidth_update - program display watermarks 1303 * 1304 * @adev: amdgpu_device pointer 1305 * 1306 * Calculate and program the display watermarks and line 1307 * buffer allocation (CIK). 1308 */ 1309 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev) 1310 { 1311 struct drm_display_mode *mode = NULL; 1312 u32 num_heads = 0, lb_size; 1313 int i; 1314 1315 amdgpu_update_display_priority(adev); 1316 1317 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1318 if (adev->mode_info.crtcs[i]->base.enabled) 1319 num_heads++; 1320 } 1321 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1322 mode = &adev->mode_info.crtcs[i]->base.mode; 1323 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1324 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1325 lb_size, num_heads); 1326 } 1327 } 1328 1329 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev) 1330 { 1331 int i; 1332 u32 offset, tmp; 1333 1334 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1335 offset = adev->mode_info.audio.pin[i].offset; 1336 tmp = RREG32_AUDIO_ENDPT(offset, 1337 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1338 if (((tmp & 1339 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1340 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1341 adev->mode_info.audio.pin[i].connected = false; 1342 else 1343 adev->mode_info.audio.pin[i].connected = true; 1344 } 1345 } 1346 1347 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev) 1348 { 1349 int i; 1350 1351 dce_v11_0_audio_get_connected_pins(adev); 1352 1353 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1354 if (adev->mode_info.audio.pin[i].connected) 1355 return &adev->mode_info.audio.pin[i]; 1356 } 1357 DRM_ERROR("No connected audio pins found!\n"); 1358 return NULL; 1359 } 1360 1361 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1362 { 1363 struct amdgpu_device *adev = encoder->dev->dev_private; 1364 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1365 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1366 u32 tmp; 1367 1368 if (!dig || !dig->afmt || !dig->afmt->pin) 1369 return; 1370 1371 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset); 1372 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id); 1373 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp); 1374 } 1375 1376 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder, 1377 struct drm_display_mode *mode) 1378 { 1379 struct amdgpu_device *adev = encoder->dev->dev_private; 1380 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1381 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1382 struct drm_connector *connector; 1383 struct amdgpu_connector *amdgpu_connector = NULL; 1384 u32 tmp; 1385 int interlace = 0; 1386 1387 if (!dig || !dig->afmt || !dig->afmt->pin) 1388 return; 1389 1390 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1391 if (connector->encoder == encoder) { 1392 amdgpu_connector = to_amdgpu_connector(connector); 1393 break; 1394 } 1395 } 1396 1397 if (!amdgpu_connector) { 1398 DRM_ERROR("Couldn't find encoder's connector\n"); 1399 return; 1400 } 1401 1402 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1403 interlace = 1; 1404 if (connector->latency_present[interlace]) { 1405 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1406 VIDEO_LIPSYNC, connector->video_latency[interlace]); 1407 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1408 AUDIO_LIPSYNC, connector->audio_latency[interlace]); 1409 } else { 1410 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1411 VIDEO_LIPSYNC, 0); 1412 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1413 AUDIO_LIPSYNC, 0); 1414 } 1415 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1416 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1417 } 1418 1419 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1420 { 1421 struct amdgpu_device *adev = encoder->dev->dev_private; 1422 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1423 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1424 struct drm_connector *connector; 1425 struct amdgpu_connector *amdgpu_connector = NULL; 1426 u32 tmp; 1427 u8 *sadb = NULL; 1428 int sad_count; 1429 1430 if (!dig || !dig->afmt || !dig->afmt->pin) 1431 return; 1432 1433 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1434 if (connector->encoder == encoder) { 1435 amdgpu_connector = to_amdgpu_connector(connector); 1436 break; 1437 } 1438 } 1439 1440 if (!amdgpu_connector) { 1441 DRM_ERROR("Couldn't find encoder's connector\n"); 1442 return; 1443 } 1444 1445 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb); 1446 if (sad_count < 0) { 1447 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1448 sad_count = 0; 1449 } 1450 1451 /* program the speaker allocation */ 1452 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1453 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1454 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1455 DP_CONNECTION, 0); 1456 /* set HDMI mode */ 1457 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1458 HDMI_CONNECTION, 1); 1459 if (sad_count) 1460 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1461 SPEAKER_ALLOCATION, sadb[0]); 1462 else 1463 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1464 SPEAKER_ALLOCATION, 5); /* stereo */ 1465 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1466 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1467 1468 kfree(sadb); 1469 } 1470 1471 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder) 1472 { 1473 struct amdgpu_device *adev = encoder->dev->dev_private; 1474 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1475 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1476 struct drm_connector *connector; 1477 struct amdgpu_connector *amdgpu_connector = NULL; 1478 struct cea_sad *sads; 1479 int i, sad_count; 1480 1481 static const u16 eld_reg_to_type[][2] = { 1482 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1483 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1484 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1485 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1486 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1487 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1488 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1489 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1490 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1491 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1492 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1493 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1494 }; 1495 1496 if (!dig || !dig->afmt || !dig->afmt->pin) 1497 return; 1498 1499 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1500 if (connector->encoder == encoder) { 1501 amdgpu_connector = to_amdgpu_connector(connector); 1502 break; 1503 } 1504 } 1505 1506 if (!amdgpu_connector) { 1507 DRM_ERROR("Couldn't find encoder's connector\n"); 1508 return; 1509 } 1510 1511 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); 1512 if (sad_count <= 0) { 1513 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1514 return; 1515 } 1516 BUG_ON(!sads); 1517 1518 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1519 u32 tmp = 0; 1520 u8 stereo_freqs = 0; 1521 int max_channels = -1; 1522 int j; 1523 1524 for (j = 0; j < sad_count; j++) { 1525 struct cea_sad *sad = &sads[j]; 1526 1527 if (sad->format == eld_reg_to_type[i][1]) { 1528 if (sad->channels > max_channels) { 1529 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1530 MAX_CHANNELS, sad->channels); 1531 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1532 DESCRIPTOR_BYTE_2, sad->byte2); 1533 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1534 SUPPORTED_FREQUENCIES, sad->freq); 1535 max_channels = sad->channels; 1536 } 1537 1538 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1539 stereo_freqs |= sad->freq; 1540 else 1541 break; 1542 } 1543 } 1544 1545 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1546 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs); 1547 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp); 1548 } 1549 1550 kfree(sads); 1551 } 1552 1553 static void dce_v11_0_audio_enable(struct amdgpu_device *adev, 1554 struct amdgpu_audio_pin *pin, 1555 bool enable) 1556 { 1557 if (!pin) 1558 return; 1559 1560 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1561 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1562 } 1563 1564 static const u32 pin_offsets[] = 1565 { 1566 AUD0_REGISTER_OFFSET, 1567 AUD1_REGISTER_OFFSET, 1568 AUD2_REGISTER_OFFSET, 1569 AUD3_REGISTER_OFFSET, 1570 AUD4_REGISTER_OFFSET, 1571 AUD5_REGISTER_OFFSET, 1572 AUD6_REGISTER_OFFSET, 1573 AUD7_REGISTER_OFFSET, 1574 }; 1575 1576 static int dce_v11_0_audio_init(struct amdgpu_device *adev) 1577 { 1578 int i; 1579 1580 if (!amdgpu_audio) 1581 return 0; 1582 1583 adev->mode_info.audio.enabled = true; 1584 1585 switch (adev->asic_type) { 1586 case CHIP_CARRIZO: 1587 case CHIP_STONEY: 1588 adev->mode_info.audio.num_pins = 7; 1589 break; 1590 case CHIP_POLARIS10: 1591 adev->mode_info.audio.num_pins = 8; 1592 break; 1593 case CHIP_POLARIS11: 1594 case CHIP_POLARIS12: 1595 adev->mode_info.audio.num_pins = 6; 1596 break; 1597 default: 1598 return -EINVAL; 1599 } 1600 1601 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1602 adev->mode_info.audio.pin[i].channels = -1; 1603 adev->mode_info.audio.pin[i].rate = -1; 1604 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1605 adev->mode_info.audio.pin[i].status_bits = 0; 1606 adev->mode_info.audio.pin[i].category_code = 0; 1607 adev->mode_info.audio.pin[i].connected = false; 1608 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1609 adev->mode_info.audio.pin[i].id = i; 1610 /* disable audio. it will be set up later */ 1611 /* XXX remove once we switch to ip funcs */ 1612 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1613 } 1614 1615 return 0; 1616 } 1617 1618 static void dce_v11_0_audio_fini(struct amdgpu_device *adev) 1619 { 1620 int i; 1621 1622 if (!amdgpu_audio) 1623 return; 1624 1625 if (!adev->mode_info.audio.enabled) 1626 return; 1627 1628 for (i = 0; i < adev->mode_info.audio.num_pins; i++) 1629 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1630 1631 adev->mode_info.audio.enabled = false; 1632 } 1633 1634 /* 1635 * update the N and CTS parameters for a given pixel clock rate 1636 */ 1637 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1638 { 1639 struct drm_device *dev = encoder->dev; 1640 struct amdgpu_device *adev = dev->dev_private; 1641 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1642 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1643 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1644 u32 tmp; 1645 1646 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset); 1647 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz); 1648 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp); 1649 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset); 1650 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz); 1651 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp); 1652 1653 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset); 1654 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz); 1655 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp); 1656 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset); 1657 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz); 1658 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp); 1659 1660 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset); 1661 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz); 1662 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp); 1663 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset); 1664 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz); 1665 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp); 1666 1667 } 1668 1669 /* 1670 * build a HDMI Video Info Frame 1671 */ 1672 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1673 void *buffer, size_t size) 1674 { 1675 struct drm_device *dev = encoder->dev; 1676 struct amdgpu_device *adev = dev->dev_private; 1677 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1678 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1679 uint8_t *frame = buffer + 3; 1680 uint8_t *header = buffer; 1681 1682 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset, 1683 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1684 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset, 1685 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1686 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset, 1687 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1688 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset, 1689 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1690 } 1691 1692 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1693 { 1694 struct drm_device *dev = encoder->dev; 1695 struct amdgpu_device *adev = dev->dev_private; 1696 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1697 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1698 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1699 u32 dto_phase = 24 * 1000; 1700 u32 dto_modulo = clock; 1701 u32 tmp; 1702 1703 if (!dig || !dig->afmt) 1704 return; 1705 1706 /* XXX two dtos; generally use dto0 for hdmi */ 1707 /* Express [24MHz / target pixel clock] as an exact rational 1708 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1709 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1710 */ 1711 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE); 1712 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, 1713 amdgpu_crtc->crtc_id); 1714 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp); 1715 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1716 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1717 } 1718 1719 /* 1720 * update the info frames with the data from the current display mode 1721 */ 1722 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder, 1723 struct drm_display_mode *mode) 1724 { 1725 struct drm_device *dev = encoder->dev; 1726 struct amdgpu_device *adev = dev->dev_private; 1727 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1728 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1729 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1730 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1731 struct hdmi_avi_infoframe frame; 1732 ssize_t err; 1733 u32 tmp; 1734 int bpc = 8; 1735 1736 if (!dig || !dig->afmt) 1737 return; 1738 1739 /* Silent, r600_hdmi_enable will raise WARN for us */ 1740 if (!dig->afmt->enabled) 1741 return; 1742 1743 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1744 if (encoder->crtc) { 1745 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1746 bpc = amdgpu_crtc->bpc; 1747 } 1748 1749 /* disable audio prior to setting up hw */ 1750 dig->afmt->pin = dce_v11_0_audio_get_pin(adev); 1751 dce_v11_0_audio_enable(adev, dig->afmt->pin, false); 1752 1753 dce_v11_0_audio_set_dto(encoder, mode->clock); 1754 1755 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1756 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); 1757 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */ 1758 1759 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000); 1760 1761 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset); 1762 switch (bpc) { 1763 case 0: 1764 case 6: 1765 case 8: 1766 case 16: 1767 default: 1768 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0); 1769 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); 1770 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1771 connector->name, bpc); 1772 break; 1773 case 10: 1774 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1775 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1); 1776 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1777 connector->name); 1778 break; 1779 case 12: 1780 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1781 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2); 1782 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1783 connector->name); 1784 break; 1785 } 1786 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp); 1787 1788 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1789 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */ 1790 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */ 1791 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */ 1792 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); 1793 1794 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1795 /* enable audio info frames (frames won't be set until audio is enabled) */ 1796 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); 1797 /* required for audio info values to be updated */ 1798 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1); 1799 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1800 1801 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset); 1802 /* required for audio info values to be updated */ 1803 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1); 1804 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1805 1806 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1807 /* anything other than 0 */ 1808 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2); 1809 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1810 1811 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */ 1812 1813 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1814 /* set the default audio delay */ 1815 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); 1816 /* should be suffient for all audio modes and small enough for all hblanks */ 1817 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3); 1818 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1819 1820 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1821 /* allow 60958 channel status fields to be updated */ 1822 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1); 1823 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1824 1825 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset); 1826 if (bpc > 8) 1827 /* clear SW CTS value */ 1828 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0); 1829 else 1830 /* select SW CTS value */ 1831 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1); 1832 /* allow hw to sent ACR packets when required */ 1833 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1); 1834 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp); 1835 1836 dce_v11_0_afmt_update_ACR(encoder, mode->clock); 1837 1838 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset); 1839 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1); 1840 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp); 1841 1842 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset); 1843 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2); 1844 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp); 1845 1846 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset); 1847 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3); 1848 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4); 1849 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5); 1850 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6); 1851 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7); 1852 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8); 1853 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp); 1854 1855 dce_v11_0_audio_write_speaker_allocation(encoder); 1856 1857 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, 1858 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1859 1860 dce_v11_0_afmt_audio_select_pin(encoder); 1861 dce_v11_0_audio_write_sad_regs(encoder); 1862 dce_v11_0_audio_write_latency_fields(encoder, mode); 1863 1864 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); 1865 if (err < 0) { 1866 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1867 return; 1868 } 1869 1870 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1871 if (err < 0) { 1872 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1873 return; 1874 } 1875 1876 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1877 1878 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1879 /* enable AVI info frames */ 1880 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1); 1881 /* required for audio info values to be updated */ 1882 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1); 1883 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1884 1885 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1886 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2); 1887 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1888 1889 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1890 /* send audio packets */ 1891 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1); 1892 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1893 1894 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF); 1895 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF); 1896 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001); 1897 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001); 1898 1899 /* enable audio after to setting up hw */ 1900 dce_v11_0_audio_enable(adev, dig->afmt->pin, true); 1901 } 1902 1903 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1904 { 1905 struct drm_device *dev = encoder->dev; 1906 struct amdgpu_device *adev = dev->dev_private; 1907 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1908 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1909 1910 if (!dig || !dig->afmt) 1911 return; 1912 1913 /* Silent, r600_hdmi_enable will raise WARN for us */ 1914 if (enable && dig->afmt->enabled) 1915 return; 1916 if (!enable && !dig->afmt->enabled) 1917 return; 1918 1919 if (!enable && dig->afmt->pin) { 1920 dce_v11_0_audio_enable(adev, dig->afmt->pin, false); 1921 dig->afmt->pin = NULL; 1922 } 1923 1924 dig->afmt->enabled = enable; 1925 1926 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1927 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1928 } 1929 1930 static int dce_v11_0_afmt_init(struct amdgpu_device *adev) 1931 { 1932 int i; 1933 1934 for (i = 0; i < adev->mode_info.num_dig; i++) 1935 adev->mode_info.afmt[i] = NULL; 1936 1937 /* DCE11 has audio blocks tied to DIG encoders */ 1938 for (i = 0; i < adev->mode_info.num_dig; i++) { 1939 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL); 1940 if (adev->mode_info.afmt[i]) { 1941 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1942 adev->mode_info.afmt[i]->id = i; 1943 } else { 1944 int j; 1945 for (j = 0; j < i; j++) { 1946 kfree(adev->mode_info.afmt[j]); 1947 adev->mode_info.afmt[j] = NULL; 1948 } 1949 return -ENOMEM; 1950 } 1951 } 1952 return 0; 1953 } 1954 1955 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev) 1956 { 1957 int i; 1958 1959 for (i = 0; i < adev->mode_info.num_dig; i++) { 1960 kfree(adev->mode_info.afmt[i]); 1961 adev->mode_info.afmt[i] = NULL; 1962 } 1963 } 1964 1965 static const u32 vga_control_regs[6] = 1966 { 1967 mmD1VGA_CONTROL, 1968 mmD2VGA_CONTROL, 1969 mmD3VGA_CONTROL, 1970 mmD4VGA_CONTROL, 1971 mmD5VGA_CONTROL, 1972 mmD6VGA_CONTROL, 1973 }; 1974 1975 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable) 1976 { 1977 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1978 struct drm_device *dev = crtc->dev; 1979 struct amdgpu_device *adev = dev->dev_private; 1980 u32 vga_control; 1981 1982 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1983 if (enable) 1984 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1985 else 1986 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1987 } 1988 1989 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable) 1990 { 1991 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1992 struct drm_device *dev = crtc->dev; 1993 struct amdgpu_device *adev = dev->dev_private; 1994 1995 if (enable) 1996 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1997 else 1998 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1999 } 2000 2001 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc, 2002 struct drm_framebuffer *fb, 2003 int x, int y, int atomic) 2004 { 2005 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2006 struct drm_device *dev = crtc->dev; 2007 struct amdgpu_device *adev = dev->dev_private; 2008 struct amdgpu_framebuffer *amdgpu_fb; 2009 struct drm_framebuffer *target_fb; 2010 struct drm_gem_object *obj; 2011 struct amdgpu_bo *abo; 2012 uint64_t fb_location, tiling_flags; 2013 uint32_t fb_format, fb_pitch_pixels; 2014 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE); 2015 u32 pipe_config; 2016 u32 tmp, viewport_w, viewport_h; 2017 int r; 2018 bool bypass_lut = false; 2019 struct drm_format_name_buf format_name; 2020 2021 /* no fb bound */ 2022 if (!atomic && !crtc->primary->fb) { 2023 DRM_DEBUG_KMS("No FB bound\n"); 2024 return 0; 2025 } 2026 2027 if (atomic) { 2028 amdgpu_fb = to_amdgpu_framebuffer(fb); 2029 target_fb = fb; 2030 } else { 2031 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); 2032 target_fb = crtc->primary->fb; 2033 } 2034 2035 /* If atomic, assume fb object is pinned & idle & fenced and 2036 * just update base pointers 2037 */ 2038 obj = amdgpu_fb->obj; 2039 abo = gem_to_amdgpu_bo(obj); 2040 r = amdgpu_bo_reserve(abo, false); 2041 if (unlikely(r != 0)) 2042 return r; 2043 2044 if (atomic) { 2045 fb_location = amdgpu_bo_gpu_offset(abo); 2046 } else { 2047 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location); 2048 if (unlikely(r != 0)) { 2049 amdgpu_bo_unreserve(abo); 2050 return -EINVAL; 2051 } 2052 } 2053 2054 amdgpu_bo_get_tiling_flags(abo, &tiling_flags); 2055 amdgpu_bo_unreserve(abo); 2056 2057 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 2058 2059 switch (target_fb->format->format) { 2060 case DRM_FORMAT_C8: 2061 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0); 2062 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 2063 break; 2064 case DRM_FORMAT_XRGB4444: 2065 case DRM_FORMAT_ARGB4444: 2066 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 2067 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2); 2068 #ifdef __BIG_ENDIAN 2069 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2070 ENDIAN_8IN16); 2071 #endif 2072 break; 2073 case DRM_FORMAT_XRGB1555: 2074 case DRM_FORMAT_ARGB1555: 2075 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 2076 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 2077 #ifdef __BIG_ENDIAN 2078 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2079 ENDIAN_8IN16); 2080 #endif 2081 break; 2082 case DRM_FORMAT_BGRX5551: 2083 case DRM_FORMAT_BGRA5551: 2084 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 2085 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5); 2086 #ifdef __BIG_ENDIAN 2087 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2088 ENDIAN_8IN16); 2089 #endif 2090 break; 2091 case DRM_FORMAT_RGB565: 2092 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 2093 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 2094 #ifdef __BIG_ENDIAN 2095 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2096 ENDIAN_8IN16); 2097 #endif 2098 break; 2099 case DRM_FORMAT_XRGB8888: 2100 case DRM_FORMAT_ARGB8888: 2101 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2102 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 2103 #ifdef __BIG_ENDIAN 2104 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2105 ENDIAN_8IN32); 2106 #endif 2107 break; 2108 case DRM_FORMAT_XRGB2101010: 2109 case DRM_FORMAT_ARGB2101010: 2110 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2111 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 2112 #ifdef __BIG_ENDIAN 2113 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2114 ENDIAN_8IN32); 2115 #endif 2116 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2117 bypass_lut = true; 2118 break; 2119 case DRM_FORMAT_BGRX1010102: 2120 case DRM_FORMAT_BGRA1010102: 2121 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2122 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4); 2123 #ifdef __BIG_ENDIAN 2124 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2125 ENDIAN_8IN32); 2126 #endif 2127 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2128 bypass_lut = true; 2129 break; 2130 default: 2131 DRM_ERROR("Unsupported screen format %s\n", 2132 drm_get_format_name(target_fb->format->format, &format_name)); 2133 return -EINVAL; 2134 } 2135 2136 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 2137 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 2138 2139 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 2140 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 2141 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 2142 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 2143 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 2144 2145 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks); 2146 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2147 ARRAY_2D_TILED_THIN1); 2148 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT, 2149 tile_split); 2150 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw); 2151 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh); 2152 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT, 2153 mtaspect); 2154 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE, 2155 ADDR_SURF_MICRO_TILING_DISPLAY); 2156 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 2157 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2158 ARRAY_1D_TILED_THIN1); 2159 } 2160 2161 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG, 2162 pipe_config); 2163 2164 dce_v11_0_vga_enable(crtc, false); 2165 2166 /* Make sure surface address is updated at vertical blank rather than 2167 * horizontal blank 2168 */ 2169 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2170 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 2171 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0); 2172 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2173 2174 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2175 upper_32_bits(fb_location)); 2176 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2177 upper_32_bits(fb_location)); 2178 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2179 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2180 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2181 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2182 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2183 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2184 2185 /* 2186 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2187 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2188 * retain the full precision throughout the pipeline. 2189 */ 2190 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset); 2191 if (bypass_lut) 2192 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1); 2193 else 2194 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0); 2195 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp); 2196 2197 if (bypass_lut) 2198 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2199 2200 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2201 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2202 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2203 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2204 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2205 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2206 2207 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 2208 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2209 2210 dce_v11_0_grph_enable(crtc, true); 2211 2212 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2213 target_fb->height); 2214 2215 x &= ~3; 2216 y &= ~1; 2217 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2218 (x << 16) | y); 2219 viewport_w = crtc->mode.hdisplay; 2220 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2221 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2222 (viewport_w << 16) | viewport_h); 2223 2224 /* set pageflip to happen anywhere in vblank interval */ 2225 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); 2226 2227 if (!atomic && fb && fb != crtc->primary->fb) { 2228 amdgpu_fb = to_amdgpu_framebuffer(fb); 2229 abo = gem_to_amdgpu_bo(amdgpu_fb->obj); 2230 r = amdgpu_bo_reserve(abo, false); 2231 if (unlikely(r != 0)) 2232 return r; 2233 amdgpu_bo_unpin(abo); 2234 amdgpu_bo_unreserve(abo); 2235 } 2236 2237 /* Bytes per pixel may have changed */ 2238 dce_v11_0_bandwidth_update(adev); 2239 2240 return 0; 2241 } 2242 2243 static void dce_v11_0_set_interleave(struct drm_crtc *crtc, 2244 struct drm_display_mode *mode) 2245 { 2246 struct drm_device *dev = crtc->dev; 2247 struct amdgpu_device *adev = dev->dev_private; 2248 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2249 u32 tmp; 2250 2251 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset); 2252 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2253 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1); 2254 else 2255 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0); 2256 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp); 2257 } 2258 2259 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc) 2260 { 2261 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2262 struct drm_device *dev = crtc->dev; 2263 struct amdgpu_device *adev = dev->dev_private; 2264 int i; 2265 u32 tmp; 2266 2267 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2268 2269 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2270 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0); 2271 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2272 2273 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset); 2274 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1); 2275 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2276 2277 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2278 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0); 2279 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2280 2281 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2282 2283 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2284 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2285 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2286 2287 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2288 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2289 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2290 2291 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2292 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2293 2294 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2295 for (i = 0; i < 256; i++) { 2296 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2297 (amdgpu_crtc->lut_r[i] << 20) | 2298 (amdgpu_crtc->lut_g[i] << 10) | 2299 (amdgpu_crtc->lut_b[i] << 0)); 2300 } 2301 2302 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2303 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0); 2304 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0); 2305 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0); 2306 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2307 2308 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset); 2309 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0); 2310 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2311 2312 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2313 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0); 2314 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2315 2316 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2317 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0); 2318 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2319 2320 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2321 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0); 2322 /* XXX this only needs to be programmed once per crtc at startup, 2323 * not sure where the best place for it is 2324 */ 2325 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset); 2326 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1); 2327 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2328 } 2329 2330 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder) 2331 { 2332 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2333 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2334 2335 switch (amdgpu_encoder->encoder_id) { 2336 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2337 if (dig->linkb) 2338 return 1; 2339 else 2340 return 0; 2341 break; 2342 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2343 if (dig->linkb) 2344 return 3; 2345 else 2346 return 2; 2347 break; 2348 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2349 if (dig->linkb) 2350 return 5; 2351 else 2352 return 4; 2353 break; 2354 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2355 return 6; 2356 break; 2357 default: 2358 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2359 return 0; 2360 } 2361 } 2362 2363 /** 2364 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc. 2365 * 2366 * @crtc: drm crtc 2367 * 2368 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2369 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2370 * monitors a dedicated PPLL must be used. If a particular board has 2371 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2372 * as there is no need to program the PLL itself. If we are not able to 2373 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2374 * avoid messing up an existing monitor. 2375 * 2376 * Asic specific PLL information 2377 * 2378 * DCE 10.x 2379 * Tonga 2380 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2381 * CI 2382 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2383 * 2384 */ 2385 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc) 2386 { 2387 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2388 struct drm_device *dev = crtc->dev; 2389 struct amdgpu_device *adev = dev->dev_private; 2390 u32 pll_in_use; 2391 int pll; 2392 2393 if ((adev->asic_type == CHIP_POLARIS10) || 2394 (adev->asic_type == CHIP_POLARIS11) || 2395 (adev->asic_type == CHIP_POLARIS12)) { 2396 struct amdgpu_encoder *amdgpu_encoder = 2397 to_amdgpu_encoder(amdgpu_crtc->encoder); 2398 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2399 2400 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2401 return ATOM_DP_DTO; 2402 2403 switch (amdgpu_encoder->encoder_id) { 2404 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2405 if (dig->linkb) 2406 return ATOM_COMBOPHY_PLL1; 2407 else 2408 return ATOM_COMBOPHY_PLL0; 2409 break; 2410 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2411 if (dig->linkb) 2412 return ATOM_COMBOPHY_PLL3; 2413 else 2414 return ATOM_COMBOPHY_PLL2; 2415 break; 2416 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2417 if (dig->linkb) 2418 return ATOM_COMBOPHY_PLL5; 2419 else 2420 return ATOM_COMBOPHY_PLL4; 2421 break; 2422 default: 2423 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2424 return ATOM_PPLL_INVALID; 2425 } 2426 } 2427 2428 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2429 if (adev->clock.dp_extclk) 2430 /* skip PPLL programming if using ext clock */ 2431 return ATOM_PPLL_INVALID; 2432 else { 2433 /* use the same PPLL for all DP monitors */ 2434 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2435 if (pll != ATOM_PPLL_INVALID) 2436 return pll; 2437 } 2438 } else { 2439 /* use the same PPLL for all monitors with the same clock */ 2440 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2441 if (pll != ATOM_PPLL_INVALID) 2442 return pll; 2443 } 2444 2445 /* XXX need to determine what plls are available on each DCE11 part */ 2446 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2447 if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) { 2448 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2449 return ATOM_PPLL1; 2450 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2451 return ATOM_PPLL0; 2452 DRM_ERROR("unable to allocate a PPLL\n"); 2453 return ATOM_PPLL_INVALID; 2454 } else { 2455 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2456 return ATOM_PPLL2; 2457 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2458 return ATOM_PPLL1; 2459 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2460 return ATOM_PPLL0; 2461 DRM_ERROR("unable to allocate a PPLL\n"); 2462 return ATOM_PPLL_INVALID; 2463 } 2464 return ATOM_PPLL_INVALID; 2465 } 2466 2467 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2468 { 2469 struct amdgpu_device *adev = crtc->dev->dev_private; 2470 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2471 uint32_t cur_lock; 2472 2473 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2474 if (lock) 2475 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1); 2476 else 2477 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0); 2478 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2479 } 2480 2481 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc) 2482 { 2483 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2484 struct amdgpu_device *adev = crtc->dev->dev_private; 2485 u32 tmp; 2486 2487 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2488 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0); 2489 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2490 } 2491 2492 static void dce_v11_0_show_cursor(struct drm_crtc *crtc) 2493 { 2494 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2495 struct amdgpu_device *adev = crtc->dev->dev_private; 2496 u32 tmp; 2497 2498 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2499 upper_32_bits(amdgpu_crtc->cursor_addr)); 2500 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2501 lower_32_bits(amdgpu_crtc->cursor_addr)); 2502 2503 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2504 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1); 2505 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2); 2506 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2507 } 2508 2509 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc, 2510 int x, int y) 2511 { 2512 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2513 struct amdgpu_device *adev = crtc->dev->dev_private; 2514 int xorigin = 0, yorigin = 0; 2515 2516 amdgpu_crtc->cursor_x = x; 2517 amdgpu_crtc->cursor_y = y; 2518 2519 /* avivo cursor are offset into the total surface */ 2520 x += crtc->x; 2521 y += crtc->y; 2522 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2523 2524 if (x < 0) { 2525 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2526 x = 0; 2527 } 2528 if (y < 0) { 2529 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2530 y = 0; 2531 } 2532 2533 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2534 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2535 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2536 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2537 2538 return 0; 2539 } 2540 2541 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc, 2542 int x, int y) 2543 { 2544 int ret; 2545 2546 dce_v11_0_lock_cursor(crtc, true); 2547 ret = dce_v11_0_cursor_move_locked(crtc, x, y); 2548 dce_v11_0_lock_cursor(crtc, false); 2549 2550 return ret; 2551 } 2552 2553 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc, 2554 struct drm_file *file_priv, 2555 uint32_t handle, 2556 uint32_t width, 2557 uint32_t height, 2558 int32_t hot_x, 2559 int32_t hot_y) 2560 { 2561 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2562 struct drm_gem_object *obj; 2563 struct amdgpu_bo *aobj; 2564 int ret; 2565 2566 if (!handle) { 2567 /* turn off cursor */ 2568 dce_v11_0_hide_cursor(crtc); 2569 obj = NULL; 2570 goto unpin; 2571 } 2572 2573 if ((width > amdgpu_crtc->max_cursor_width) || 2574 (height > amdgpu_crtc->max_cursor_height)) { 2575 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2576 return -EINVAL; 2577 } 2578 2579 obj = drm_gem_object_lookup(file_priv, handle); 2580 if (!obj) { 2581 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2582 return -ENOENT; 2583 } 2584 2585 aobj = gem_to_amdgpu_bo(obj); 2586 ret = amdgpu_bo_reserve(aobj, false); 2587 if (ret != 0) { 2588 drm_gem_object_unreference_unlocked(obj); 2589 return ret; 2590 } 2591 2592 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr); 2593 amdgpu_bo_unreserve(aobj); 2594 if (ret) { 2595 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2596 drm_gem_object_unreference_unlocked(obj); 2597 return ret; 2598 } 2599 2600 dce_v11_0_lock_cursor(crtc, true); 2601 2602 if (width != amdgpu_crtc->cursor_width || 2603 height != amdgpu_crtc->cursor_height || 2604 hot_x != amdgpu_crtc->cursor_hot_x || 2605 hot_y != amdgpu_crtc->cursor_hot_y) { 2606 int x, y; 2607 2608 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2609 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2610 2611 dce_v11_0_cursor_move_locked(crtc, x, y); 2612 2613 amdgpu_crtc->cursor_width = width; 2614 amdgpu_crtc->cursor_height = height; 2615 amdgpu_crtc->cursor_hot_x = hot_x; 2616 amdgpu_crtc->cursor_hot_y = hot_y; 2617 } 2618 2619 dce_v11_0_show_cursor(crtc); 2620 dce_v11_0_lock_cursor(crtc, false); 2621 2622 unpin: 2623 if (amdgpu_crtc->cursor_bo) { 2624 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2625 ret = amdgpu_bo_reserve(aobj, false); 2626 if (likely(ret == 0)) { 2627 amdgpu_bo_unpin(aobj); 2628 amdgpu_bo_unreserve(aobj); 2629 } 2630 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo); 2631 } 2632 2633 amdgpu_crtc->cursor_bo = obj; 2634 return 0; 2635 } 2636 2637 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc) 2638 { 2639 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2640 2641 if (amdgpu_crtc->cursor_bo) { 2642 dce_v11_0_lock_cursor(crtc, true); 2643 2644 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2645 amdgpu_crtc->cursor_y); 2646 2647 dce_v11_0_show_cursor(crtc); 2648 2649 dce_v11_0_lock_cursor(crtc, false); 2650 } 2651 } 2652 2653 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2654 u16 *blue, uint32_t size) 2655 { 2656 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2657 int i; 2658 2659 /* userspace palettes are always correct as is */ 2660 for (i = 0; i < size; i++) { 2661 amdgpu_crtc->lut_r[i] = red[i] >> 6; 2662 amdgpu_crtc->lut_g[i] = green[i] >> 6; 2663 amdgpu_crtc->lut_b[i] = blue[i] >> 6; 2664 } 2665 dce_v11_0_crtc_load_lut(crtc); 2666 2667 return 0; 2668 } 2669 2670 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc) 2671 { 2672 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2673 2674 drm_crtc_cleanup(crtc); 2675 kfree(amdgpu_crtc); 2676 } 2677 2678 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = { 2679 .cursor_set2 = dce_v11_0_crtc_cursor_set2, 2680 .cursor_move = dce_v11_0_crtc_cursor_move, 2681 .gamma_set = dce_v11_0_crtc_gamma_set, 2682 .set_config = amdgpu_crtc_set_config, 2683 .destroy = dce_v11_0_crtc_destroy, 2684 .page_flip_target = amdgpu_crtc_page_flip_target, 2685 }; 2686 2687 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2688 { 2689 struct drm_device *dev = crtc->dev; 2690 struct amdgpu_device *adev = dev->dev_private; 2691 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2692 unsigned type; 2693 2694 switch (mode) { 2695 case DRM_MODE_DPMS_ON: 2696 amdgpu_crtc->enabled = true; 2697 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2698 dce_v11_0_vga_enable(crtc, true); 2699 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2700 dce_v11_0_vga_enable(crtc, false); 2701 /* Make sure VBLANK and PFLIP interrupts are still enabled */ 2702 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); 2703 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2704 amdgpu_irq_update(adev, &adev->pageflip_irq, type); 2705 drm_crtc_vblank_on(crtc); 2706 dce_v11_0_crtc_load_lut(crtc); 2707 break; 2708 case DRM_MODE_DPMS_STANDBY: 2709 case DRM_MODE_DPMS_SUSPEND: 2710 case DRM_MODE_DPMS_OFF: 2711 drm_crtc_vblank_off(crtc); 2712 if (amdgpu_crtc->enabled) { 2713 dce_v11_0_vga_enable(crtc, true); 2714 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2715 dce_v11_0_vga_enable(crtc, false); 2716 } 2717 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2718 amdgpu_crtc->enabled = false; 2719 break; 2720 } 2721 /* adjust pm to dpms */ 2722 amdgpu_pm_compute_clocks(adev); 2723 } 2724 2725 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc) 2726 { 2727 /* disable crtc pair power gating before programming */ 2728 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2729 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2730 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2731 } 2732 2733 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc) 2734 { 2735 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2736 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2737 } 2738 2739 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc) 2740 { 2741 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2742 struct drm_device *dev = crtc->dev; 2743 struct amdgpu_device *adev = dev->dev_private; 2744 struct amdgpu_atom_ss ss; 2745 int i; 2746 2747 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2748 if (crtc->primary->fb) { 2749 int r; 2750 struct amdgpu_framebuffer *amdgpu_fb; 2751 struct amdgpu_bo *abo; 2752 2753 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); 2754 abo = gem_to_amdgpu_bo(amdgpu_fb->obj); 2755 r = amdgpu_bo_reserve(abo, false); 2756 if (unlikely(r)) 2757 DRM_ERROR("failed to reserve abo before unpin\n"); 2758 else { 2759 amdgpu_bo_unpin(abo); 2760 amdgpu_bo_unreserve(abo); 2761 } 2762 } 2763 /* disable the GRPH */ 2764 dce_v11_0_grph_enable(crtc, false); 2765 2766 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2767 2768 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2769 if (adev->mode_info.crtcs[i] && 2770 adev->mode_info.crtcs[i]->enabled && 2771 i != amdgpu_crtc->crtc_id && 2772 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2773 /* one other crtc is using this pll don't turn 2774 * off the pll 2775 */ 2776 goto done; 2777 } 2778 } 2779 2780 switch (amdgpu_crtc->pll_id) { 2781 case ATOM_PPLL0: 2782 case ATOM_PPLL1: 2783 case ATOM_PPLL2: 2784 /* disable the ppll */ 2785 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2786 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2787 break; 2788 case ATOM_COMBOPHY_PLL0: 2789 case ATOM_COMBOPHY_PLL1: 2790 case ATOM_COMBOPHY_PLL2: 2791 case ATOM_COMBOPHY_PLL3: 2792 case ATOM_COMBOPHY_PLL4: 2793 case ATOM_COMBOPHY_PLL5: 2794 /* disable the ppll */ 2795 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id, 2796 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2797 break; 2798 default: 2799 break; 2800 } 2801 done: 2802 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2803 amdgpu_crtc->adjusted_clock = 0; 2804 amdgpu_crtc->encoder = NULL; 2805 amdgpu_crtc->connector = NULL; 2806 } 2807 2808 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc, 2809 struct drm_display_mode *mode, 2810 struct drm_display_mode *adjusted_mode, 2811 int x, int y, struct drm_framebuffer *old_fb) 2812 { 2813 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2814 struct drm_device *dev = crtc->dev; 2815 struct amdgpu_device *adev = dev->dev_private; 2816 2817 if (!amdgpu_crtc->adjusted_clock) 2818 return -EINVAL; 2819 2820 if ((adev->asic_type == CHIP_POLARIS10) || 2821 (adev->asic_type == CHIP_POLARIS11) || 2822 (adev->asic_type == CHIP_POLARIS12)) { 2823 struct amdgpu_encoder *amdgpu_encoder = 2824 to_amdgpu_encoder(amdgpu_crtc->encoder); 2825 int encoder_mode = 2826 amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder); 2827 2828 /* SetPixelClock calculates the plls and ss values now */ 2829 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, 2830 amdgpu_crtc->pll_id, 2831 encoder_mode, amdgpu_encoder->encoder_id, 2832 adjusted_mode->clock, 0, 0, 0, 0, 2833 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss); 2834 } else { 2835 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2836 } 2837 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2838 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2839 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2840 amdgpu_atombios_crtc_scaler_setup(crtc); 2841 dce_v11_0_cursor_reset(crtc); 2842 /* update the hw version fpr dpm */ 2843 amdgpu_crtc->hw_mode = *adjusted_mode; 2844 2845 return 0; 2846 } 2847 2848 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc, 2849 const struct drm_display_mode *mode, 2850 struct drm_display_mode *adjusted_mode) 2851 { 2852 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2853 struct drm_device *dev = crtc->dev; 2854 struct drm_encoder *encoder; 2855 2856 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2857 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2858 if (encoder->crtc == crtc) { 2859 amdgpu_crtc->encoder = encoder; 2860 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2861 break; 2862 } 2863 } 2864 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2865 amdgpu_crtc->encoder = NULL; 2866 amdgpu_crtc->connector = NULL; 2867 return false; 2868 } 2869 if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2870 return false; 2871 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2872 return false; 2873 /* pick pll */ 2874 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc); 2875 /* if we can't get a PPLL for a non-DP encoder, fail */ 2876 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2877 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2878 return false; 2879 2880 return true; 2881 } 2882 2883 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2884 struct drm_framebuffer *old_fb) 2885 { 2886 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2887 } 2888 2889 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc, 2890 struct drm_framebuffer *fb, 2891 int x, int y, enum mode_set_atomic state) 2892 { 2893 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1); 2894 } 2895 2896 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = { 2897 .dpms = dce_v11_0_crtc_dpms, 2898 .mode_fixup = dce_v11_0_crtc_mode_fixup, 2899 .mode_set = dce_v11_0_crtc_mode_set, 2900 .mode_set_base = dce_v11_0_crtc_set_base, 2901 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic, 2902 .prepare = dce_v11_0_crtc_prepare, 2903 .commit = dce_v11_0_crtc_commit, 2904 .load_lut = dce_v11_0_crtc_load_lut, 2905 .disable = dce_v11_0_crtc_disable, 2906 }; 2907 2908 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index) 2909 { 2910 struct amdgpu_crtc *amdgpu_crtc; 2911 int i; 2912 2913 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2914 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2915 if (amdgpu_crtc == NULL) 2916 return -ENOMEM; 2917 2918 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs); 2919 2920 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2921 amdgpu_crtc->crtc_id = index; 2922 adev->mode_info.crtcs[index] = amdgpu_crtc; 2923 2924 amdgpu_crtc->max_cursor_width = 128; 2925 amdgpu_crtc->max_cursor_height = 128; 2926 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2927 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2928 2929 for (i = 0; i < 256; i++) { 2930 amdgpu_crtc->lut_r[i] = i << 2; 2931 amdgpu_crtc->lut_g[i] = i << 2; 2932 amdgpu_crtc->lut_b[i] = i << 2; 2933 } 2934 2935 switch (amdgpu_crtc->crtc_id) { 2936 case 0: 2937 default: 2938 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET; 2939 break; 2940 case 1: 2941 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET; 2942 break; 2943 case 2: 2944 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET; 2945 break; 2946 case 3: 2947 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET; 2948 break; 2949 case 4: 2950 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET; 2951 break; 2952 case 5: 2953 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET; 2954 break; 2955 } 2956 2957 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2958 amdgpu_crtc->adjusted_clock = 0; 2959 amdgpu_crtc->encoder = NULL; 2960 amdgpu_crtc->connector = NULL; 2961 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs); 2962 2963 return 0; 2964 } 2965 2966 static int dce_v11_0_early_init(void *handle) 2967 { 2968 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2969 2970 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg; 2971 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg; 2972 2973 dce_v11_0_set_display_funcs(adev); 2974 dce_v11_0_set_irq_funcs(adev); 2975 2976 adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev); 2977 2978 switch (adev->asic_type) { 2979 case CHIP_CARRIZO: 2980 adev->mode_info.num_hpd = 6; 2981 adev->mode_info.num_dig = 9; 2982 break; 2983 case CHIP_STONEY: 2984 adev->mode_info.num_hpd = 6; 2985 adev->mode_info.num_dig = 9; 2986 break; 2987 case CHIP_POLARIS10: 2988 adev->mode_info.num_hpd = 6; 2989 adev->mode_info.num_dig = 6; 2990 break; 2991 case CHIP_POLARIS11: 2992 case CHIP_POLARIS12: 2993 adev->mode_info.num_hpd = 5; 2994 adev->mode_info.num_dig = 5; 2995 break; 2996 default: 2997 /* FIXME: not supported yet */ 2998 return -EINVAL; 2999 } 3000 3001 return 0; 3002 } 3003 3004 static int dce_v11_0_sw_init(void *handle) 3005 { 3006 int r, i; 3007 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3008 3009 for (i = 0; i < adev->mode_info.num_crtc; i++) { 3010 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq); 3011 if (r) 3012 return r; 3013 } 3014 3015 for (i = 8; i < 20; i += 2) { 3016 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq); 3017 if (r) 3018 return r; 3019 } 3020 3021 /* HPD hotplug */ 3022 r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq); 3023 if (r) 3024 return r; 3025 3026 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs; 3027 3028 adev->ddev->mode_config.async_page_flip = true; 3029 3030 adev->ddev->mode_config.max_width = 16384; 3031 adev->ddev->mode_config.max_height = 16384; 3032 3033 adev->ddev->mode_config.preferred_depth = 24; 3034 adev->ddev->mode_config.prefer_shadow = 1; 3035 3036 adev->ddev->mode_config.fb_base = adev->mc.aper_base; 3037 3038 r = amdgpu_modeset_create_props(adev); 3039 if (r) 3040 return r; 3041 3042 adev->ddev->mode_config.max_width = 16384; 3043 adev->ddev->mode_config.max_height = 16384; 3044 3045 3046 /* allocate crtcs */ 3047 for (i = 0; i < adev->mode_info.num_crtc; i++) { 3048 r = dce_v11_0_crtc_init(adev, i); 3049 if (r) 3050 return r; 3051 } 3052 3053 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 3054 amdgpu_print_display_setup(adev->ddev); 3055 else 3056 return -EINVAL; 3057 3058 /* setup afmt */ 3059 r = dce_v11_0_afmt_init(adev); 3060 if (r) 3061 return r; 3062 3063 r = dce_v11_0_audio_init(adev); 3064 if (r) 3065 return r; 3066 3067 drm_kms_helper_poll_init(adev->ddev); 3068 3069 adev->mode_info.mode_config_initialized = true; 3070 return 0; 3071 } 3072 3073 static int dce_v11_0_sw_fini(void *handle) 3074 { 3075 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3076 3077 kfree(adev->mode_info.bios_hardcoded_edid); 3078 3079 drm_kms_helper_poll_fini(adev->ddev); 3080 3081 dce_v11_0_audio_fini(adev); 3082 3083 dce_v11_0_afmt_fini(adev); 3084 3085 drm_mode_config_cleanup(adev->ddev); 3086 adev->mode_info.mode_config_initialized = false; 3087 3088 return 0; 3089 } 3090 3091 static int dce_v11_0_hw_init(void *handle) 3092 { 3093 int i; 3094 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3095 3096 dce_v11_0_init_golden_registers(adev); 3097 3098 /* init dig PHYs, disp eng pll */ 3099 amdgpu_atombios_crtc_powergate_init(adev); 3100 amdgpu_atombios_encoder_init_dig(adev); 3101 if ((adev->asic_type == CHIP_POLARIS10) || 3102 (adev->asic_type == CHIP_POLARIS11) || 3103 (adev->asic_type == CHIP_POLARIS12)) { 3104 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk, 3105 DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS); 3106 amdgpu_atombios_crtc_set_dce_clock(adev, 0, 3107 DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS); 3108 } else { 3109 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 3110 } 3111 3112 /* initialize hpd */ 3113 dce_v11_0_hpd_init(adev); 3114 3115 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 3116 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 3117 } 3118 3119 dce_v11_0_pageflip_interrupt_init(adev); 3120 3121 return 0; 3122 } 3123 3124 static int dce_v11_0_hw_fini(void *handle) 3125 { 3126 int i; 3127 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3128 3129 dce_v11_0_hpd_fini(adev); 3130 3131 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 3132 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 3133 } 3134 3135 dce_v11_0_pageflip_interrupt_fini(adev); 3136 3137 return 0; 3138 } 3139 3140 static int dce_v11_0_suspend(void *handle) 3141 { 3142 return dce_v11_0_hw_fini(handle); 3143 } 3144 3145 static int dce_v11_0_resume(void *handle) 3146 { 3147 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3148 int ret; 3149 3150 ret = dce_v11_0_hw_init(handle); 3151 3152 /* turn on the BL */ 3153 if (adev->mode_info.bl_encoder) { 3154 u8 bl_level = amdgpu_display_backlight_get_level(adev, 3155 adev->mode_info.bl_encoder); 3156 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 3157 bl_level); 3158 } 3159 3160 return ret; 3161 } 3162 3163 static bool dce_v11_0_is_idle(void *handle) 3164 { 3165 return true; 3166 } 3167 3168 static int dce_v11_0_wait_for_idle(void *handle) 3169 { 3170 return 0; 3171 } 3172 3173 static int dce_v11_0_soft_reset(void *handle) 3174 { 3175 u32 srbm_soft_reset = 0, tmp; 3176 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3177 3178 if (dce_v11_0_is_display_hung(adev)) 3179 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 3180 3181 if (srbm_soft_reset) { 3182 tmp = RREG32(mmSRBM_SOFT_RESET); 3183 tmp |= srbm_soft_reset; 3184 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 3185 WREG32(mmSRBM_SOFT_RESET, tmp); 3186 tmp = RREG32(mmSRBM_SOFT_RESET); 3187 3188 udelay(50); 3189 3190 tmp &= ~srbm_soft_reset; 3191 WREG32(mmSRBM_SOFT_RESET, tmp); 3192 tmp = RREG32(mmSRBM_SOFT_RESET); 3193 3194 /* Wait a little for things to settle down */ 3195 udelay(50); 3196 } 3197 return 0; 3198 } 3199 3200 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 3201 int crtc, 3202 enum amdgpu_interrupt_state state) 3203 { 3204 u32 lb_interrupt_mask; 3205 3206 if (crtc >= adev->mode_info.num_crtc) { 3207 DRM_DEBUG("invalid crtc %d\n", crtc); 3208 return; 3209 } 3210 3211 switch (state) { 3212 case AMDGPU_IRQ_STATE_DISABLE: 3213 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3214 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3215 VBLANK_INTERRUPT_MASK, 0); 3216 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3217 break; 3218 case AMDGPU_IRQ_STATE_ENABLE: 3219 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3220 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3221 VBLANK_INTERRUPT_MASK, 1); 3222 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3223 break; 3224 default: 3225 break; 3226 } 3227 } 3228 3229 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3230 int crtc, 3231 enum amdgpu_interrupt_state state) 3232 { 3233 u32 lb_interrupt_mask; 3234 3235 if (crtc >= adev->mode_info.num_crtc) { 3236 DRM_DEBUG("invalid crtc %d\n", crtc); 3237 return; 3238 } 3239 3240 switch (state) { 3241 case AMDGPU_IRQ_STATE_DISABLE: 3242 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3243 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3244 VLINE_INTERRUPT_MASK, 0); 3245 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3246 break; 3247 case AMDGPU_IRQ_STATE_ENABLE: 3248 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3249 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3250 VLINE_INTERRUPT_MASK, 1); 3251 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3252 break; 3253 default: 3254 break; 3255 } 3256 } 3257 3258 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev, 3259 struct amdgpu_irq_src *source, 3260 unsigned hpd, 3261 enum amdgpu_interrupt_state state) 3262 { 3263 u32 tmp; 3264 3265 if (hpd >= adev->mode_info.num_hpd) { 3266 DRM_DEBUG("invalid hdp %d\n", hpd); 3267 return 0; 3268 } 3269 3270 switch (state) { 3271 case AMDGPU_IRQ_STATE_DISABLE: 3272 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3273 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 3274 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3275 break; 3276 case AMDGPU_IRQ_STATE_ENABLE: 3277 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3278 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1); 3279 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3280 break; 3281 default: 3282 break; 3283 } 3284 3285 return 0; 3286 } 3287 3288 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev, 3289 struct amdgpu_irq_src *source, 3290 unsigned type, 3291 enum amdgpu_interrupt_state state) 3292 { 3293 switch (type) { 3294 case AMDGPU_CRTC_IRQ_VBLANK1: 3295 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3296 break; 3297 case AMDGPU_CRTC_IRQ_VBLANK2: 3298 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3299 break; 3300 case AMDGPU_CRTC_IRQ_VBLANK3: 3301 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3302 break; 3303 case AMDGPU_CRTC_IRQ_VBLANK4: 3304 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3305 break; 3306 case AMDGPU_CRTC_IRQ_VBLANK5: 3307 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3308 break; 3309 case AMDGPU_CRTC_IRQ_VBLANK6: 3310 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3311 break; 3312 case AMDGPU_CRTC_IRQ_VLINE1: 3313 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state); 3314 break; 3315 case AMDGPU_CRTC_IRQ_VLINE2: 3316 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state); 3317 break; 3318 case AMDGPU_CRTC_IRQ_VLINE3: 3319 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state); 3320 break; 3321 case AMDGPU_CRTC_IRQ_VLINE4: 3322 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state); 3323 break; 3324 case AMDGPU_CRTC_IRQ_VLINE5: 3325 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state); 3326 break; 3327 case AMDGPU_CRTC_IRQ_VLINE6: 3328 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state); 3329 break; 3330 default: 3331 break; 3332 } 3333 return 0; 3334 } 3335 3336 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev, 3337 struct amdgpu_irq_src *src, 3338 unsigned type, 3339 enum amdgpu_interrupt_state state) 3340 { 3341 u32 reg; 3342 3343 if (type >= adev->mode_info.num_crtc) { 3344 DRM_ERROR("invalid pageflip crtc %d\n", type); 3345 return -EINVAL; 3346 } 3347 3348 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3349 if (state == AMDGPU_IRQ_STATE_DISABLE) 3350 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3351 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3352 else 3353 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3354 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3355 3356 return 0; 3357 } 3358 3359 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev, 3360 struct amdgpu_irq_src *source, 3361 struct amdgpu_iv_entry *entry) 3362 { 3363 unsigned long flags; 3364 unsigned crtc_id; 3365 struct amdgpu_crtc *amdgpu_crtc; 3366 struct amdgpu_flip_work *works; 3367 3368 crtc_id = (entry->src_id - 8) >> 1; 3369 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3370 3371 if (crtc_id >= adev->mode_info.num_crtc) { 3372 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3373 return -EINVAL; 3374 } 3375 3376 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3377 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3378 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3379 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3380 3381 /* IRQ could occur when in initial stage */ 3382 if(amdgpu_crtc == NULL) 3383 return 0; 3384 3385 spin_lock_irqsave(&adev->ddev->event_lock, flags); 3386 works = amdgpu_crtc->pflip_works; 3387 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){ 3388 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3389 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3390 amdgpu_crtc->pflip_status, 3391 AMDGPU_FLIP_SUBMITTED); 3392 spin_unlock_irqrestore(&adev->ddev->event_lock, flags); 3393 return 0; 3394 } 3395 3396 /* page flip completed. clean up */ 3397 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3398 amdgpu_crtc->pflip_works = NULL; 3399 3400 /* wakeup usersapce */ 3401 if(works->event) 3402 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); 3403 3404 spin_unlock_irqrestore(&adev->ddev->event_lock, flags); 3405 3406 drm_crtc_vblank_put(&amdgpu_crtc->base); 3407 schedule_work(&works->unpin_work); 3408 3409 return 0; 3410 } 3411 3412 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, 3413 int hpd) 3414 { 3415 u32 tmp; 3416 3417 if (hpd >= adev->mode_info.num_hpd) { 3418 DRM_DEBUG("invalid hdp %d\n", hpd); 3419 return; 3420 } 3421 3422 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3423 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1); 3424 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3425 } 3426 3427 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev, 3428 int crtc) 3429 { 3430 u32 tmp; 3431 3432 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { 3433 DRM_DEBUG("invalid crtc %d\n", crtc); 3434 return; 3435 } 3436 3437 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]); 3438 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1); 3439 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp); 3440 } 3441 3442 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev, 3443 int crtc) 3444 { 3445 u32 tmp; 3446 3447 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { 3448 DRM_DEBUG("invalid crtc %d\n", crtc); 3449 return; 3450 } 3451 3452 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]); 3453 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1); 3454 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp); 3455 } 3456 3457 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev, 3458 struct amdgpu_irq_src *source, 3459 struct amdgpu_iv_entry *entry) 3460 { 3461 unsigned crtc = entry->src_id - 1; 3462 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3463 unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc); 3464 3465 switch (entry->src_data) { 3466 case 0: /* vblank */ 3467 if (disp_int & interrupt_status_offsets[crtc].vblank) 3468 dce_v11_0_crtc_vblank_int_ack(adev, crtc); 3469 else 3470 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3471 3472 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3473 drm_handle_vblank(adev->ddev, crtc); 3474 } 3475 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3476 3477 break; 3478 case 1: /* vline */ 3479 if (disp_int & interrupt_status_offsets[crtc].vline) 3480 dce_v11_0_crtc_vline_int_ack(adev, crtc); 3481 else 3482 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3483 3484 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3485 3486 break; 3487 default: 3488 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data); 3489 break; 3490 } 3491 3492 return 0; 3493 } 3494 3495 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev, 3496 struct amdgpu_irq_src *source, 3497 struct amdgpu_iv_entry *entry) 3498 { 3499 uint32_t disp_int, mask; 3500 unsigned hpd; 3501 3502 if (entry->src_data >= adev->mode_info.num_hpd) { 3503 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data); 3504 return 0; 3505 } 3506 3507 hpd = entry->src_data; 3508 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3509 mask = interrupt_status_offsets[hpd].hpd; 3510 3511 if (disp_int & mask) { 3512 dce_v11_0_hpd_int_ack(adev, hpd); 3513 schedule_work(&adev->hotplug_work); 3514 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3515 } 3516 3517 return 0; 3518 } 3519 3520 static int dce_v11_0_set_clockgating_state(void *handle, 3521 enum amd_clockgating_state state) 3522 { 3523 return 0; 3524 } 3525 3526 static int dce_v11_0_set_powergating_state(void *handle, 3527 enum amd_powergating_state state) 3528 { 3529 return 0; 3530 } 3531 3532 static const struct amd_ip_funcs dce_v11_0_ip_funcs = { 3533 .name = "dce_v11_0", 3534 .early_init = dce_v11_0_early_init, 3535 .late_init = NULL, 3536 .sw_init = dce_v11_0_sw_init, 3537 .sw_fini = dce_v11_0_sw_fini, 3538 .hw_init = dce_v11_0_hw_init, 3539 .hw_fini = dce_v11_0_hw_fini, 3540 .suspend = dce_v11_0_suspend, 3541 .resume = dce_v11_0_resume, 3542 .is_idle = dce_v11_0_is_idle, 3543 .wait_for_idle = dce_v11_0_wait_for_idle, 3544 .soft_reset = dce_v11_0_soft_reset, 3545 .set_clockgating_state = dce_v11_0_set_clockgating_state, 3546 .set_powergating_state = dce_v11_0_set_powergating_state, 3547 }; 3548 3549 static void 3550 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder, 3551 struct drm_display_mode *mode, 3552 struct drm_display_mode *adjusted_mode) 3553 { 3554 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3555 3556 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3557 3558 /* need to call this here rather than in prepare() since we need some crtc info */ 3559 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3560 3561 /* set scaler clears this on some chips */ 3562 dce_v11_0_set_interleave(encoder->crtc, mode); 3563 3564 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3565 dce_v11_0_afmt_enable(encoder, true); 3566 dce_v11_0_afmt_setmode(encoder, adjusted_mode); 3567 } 3568 } 3569 3570 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder) 3571 { 3572 struct amdgpu_device *adev = encoder->dev->dev_private; 3573 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3574 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3575 3576 if ((amdgpu_encoder->active_device & 3577 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3578 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3579 ENCODER_OBJECT_ID_NONE)) { 3580 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3581 if (dig) { 3582 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder); 3583 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3584 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3585 } 3586 } 3587 3588 amdgpu_atombios_scratch_regs_lock(adev, true); 3589 3590 if (connector) { 3591 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3592 3593 /* select the clock/data port if it uses a router */ 3594 if (amdgpu_connector->router.cd_valid) 3595 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3596 3597 /* turn eDP panel on for mode set */ 3598 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3599 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3600 ATOM_TRANSMITTER_ACTION_POWER_ON); 3601 } 3602 3603 /* this is needed for the pll/ss setup to work correctly in some cases */ 3604 amdgpu_atombios_encoder_set_crtc_source(encoder); 3605 /* set up the FMT blocks */ 3606 dce_v11_0_program_fmt(encoder); 3607 } 3608 3609 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder) 3610 { 3611 struct drm_device *dev = encoder->dev; 3612 struct amdgpu_device *adev = dev->dev_private; 3613 3614 /* need to call this here as we need the crtc set up */ 3615 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3616 amdgpu_atombios_scratch_regs_lock(adev, false); 3617 } 3618 3619 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder) 3620 { 3621 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3622 struct amdgpu_encoder_atom_dig *dig; 3623 3624 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3625 3626 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3627 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3628 dce_v11_0_afmt_enable(encoder, false); 3629 dig = amdgpu_encoder->enc_priv; 3630 dig->dig_encoder = -1; 3631 } 3632 amdgpu_encoder->active_device = 0; 3633 } 3634 3635 /* these are handled by the primary encoders */ 3636 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder) 3637 { 3638 3639 } 3640 3641 static void dce_v11_0_ext_commit(struct drm_encoder *encoder) 3642 { 3643 3644 } 3645 3646 static void 3647 dce_v11_0_ext_mode_set(struct drm_encoder *encoder, 3648 struct drm_display_mode *mode, 3649 struct drm_display_mode *adjusted_mode) 3650 { 3651 3652 } 3653 3654 static void dce_v11_0_ext_disable(struct drm_encoder *encoder) 3655 { 3656 3657 } 3658 3659 static void 3660 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode) 3661 { 3662 3663 } 3664 3665 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = { 3666 .dpms = dce_v11_0_ext_dpms, 3667 .prepare = dce_v11_0_ext_prepare, 3668 .mode_set = dce_v11_0_ext_mode_set, 3669 .commit = dce_v11_0_ext_commit, 3670 .disable = dce_v11_0_ext_disable, 3671 /* no detect for TMDS/LVDS yet */ 3672 }; 3673 3674 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = { 3675 .dpms = amdgpu_atombios_encoder_dpms, 3676 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3677 .prepare = dce_v11_0_encoder_prepare, 3678 .mode_set = dce_v11_0_encoder_mode_set, 3679 .commit = dce_v11_0_encoder_commit, 3680 .disable = dce_v11_0_encoder_disable, 3681 .detect = amdgpu_atombios_encoder_dig_detect, 3682 }; 3683 3684 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = { 3685 .dpms = amdgpu_atombios_encoder_dpms, 3686 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3687 .prepare = dce_v11_0_encoder_prepare, 3688 .mode_set = dce_v11_0_encoder_mode_set, 3689 .commit = dce_v11_0_encoder_commit, 3690 .detect = amdgpu_atombios_encoder_dac_detect, 3691 }; 3692 3693 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder) 3694 { 3695 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3696 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3697 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3698 kfree(amdgpu_encoder->enc_priv); 3699 drm_encoder_cleanup(encoder); 3700 kfree(amdgpu_encoder); 3701 } 3702 3703 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = { 3704 .destroy = dce_v11_0_encoder_destroy, 3705 }; 3706 3707 static void dce_v11_0_encoder_add(struct amdgpu_device *adev, 3708 uint32_t encoder_enum, 3709 uint32_t supported_device, 3710 u16 caps) 3711 { 3712 struct drm_device *dev = adev->ddev; 3713 struct drm_encoder *encoder; 3714 struct amdgpu_encoder *amdgpu_encoder; 3715 3716 /* see if we already added it */ 3717 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3718 amdgpu_encoder = to_amdgpu_encoder(encoder); 3719 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3720 amdgpu_encoder->devices |= supported_device; 3721 return; 3722 } 3723 3724 } 3725 3726 /* add a new one */ 3727 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL); 3728 if (!amdgpu_encoder) 3729 return; 3730 3731 encoder = &amdgpu_encoder->base; 3732 switch (adev->mode_info.num_crtc) { 3733 case 1: 3734 encoder->possible_crtcs = 0x1; 3735 break; 3736 case 2: 3737 default: 3738 encoder->possible_crtcs = 0x3; 3739 break; 3740 case 3: 3741 encoder->possible_crtcs = 0x7; 3742 break; 3743 case 4: 3744 encoder->possible_crtcs = 0xf; 3745 break; 3746 case 5: 3747 encoder->possible_crtcs = 0x1f; 3748 break; 3749 case 6: 3750 encoder->possible_crtcs = 0x3f; 3751 break; 3752 } 3753 3754 amdgpu_encoder->enc_priv = NULL; 3755 3756 amdgpu_encoder->encoder_enum = encoder_enum; 3757 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3758 amdgpu_encoder->devices = supported_device; 3759 amdgpu_encoder->rmx_type = RMX_OFF; 3760 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3761 amdgpu_encoder->is_ext_encoder = false; 3762 amdgpu_encoder->caps = caps; 3763 3764 switch (amdgpu_encoder->encoder_id) { 3765 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3766 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3767 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3768 DRM_MODE_ENCODER_DAC, NULL); 3769 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs); 3770 break; 3771 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3772 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3773 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3774 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3775 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3776 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3777 amdgpu_encoder->rmx_type = RMX_FULL; 3778 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3779 DRM_MODE_ENCODER_LVDS, NULL); 3780 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3781 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3782 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3783 DRM_MODE_ENCODER_DAC, NULL); 3784 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3785 } else { 3786 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3787 DRM_MODE_ENCODER_TMDS, NULL); 3788 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3789 } 3790 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs); 3791 break; 3792 case ENCODER_OBJECT_ID_SI170B: 3793 case ENCODER_OBJECT_ID_CH7303: 3794 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3795 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3796 case ENCODER_OBJECT_ID_TITFP513: 3797 case ENCODER_OBJECT_ID_VT1623: 3798 case ENCODER_OBJECT_ID_HDMI_SI1930: 3799 case ENCODER_OBJECT_ID_TRAVIS: 3800 case ENCODER_OBJECT_ID_NUTMEG: 3801 /* these are handled by the primary encoders */ 3802 amdgpu_encoder->is_ext_encoder = true; 3803 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3804 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3805 DRM_MODE_ENCODER_LVDS, NULL); 3806 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3807 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3808 DRM_MODE_ENCODER_DAC, NULL); 3809 else 3810 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3811 DRM_MODE_ENCODER_TMDS, NULL); 3812 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs); 3813 break; 3814 } 3815 } 3816 3817 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = { 3818 .set_vga_render_state = &dce_v11_0_set_vga_render_state, 3819 .bandwidth_update = &dce_v11_0_bandwidth_update, 3820 .vblank_get_counter = &dce_v11_0_vblank_get_counter, 3821 .vblank_wait = &dce_v11_0_vblank_wait, 3822 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3823 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3824 .hpd_sense = &dce_v11_0_hpd_sense, 3825 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity, 3826 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg, 3827 .page_flip = &dce_v11_0_page_flip, 3828 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos, 3829 .add_encoder = &dce_v11_0_encoder_add, 3830 .add_connector = &amdgpu_connector_add, 3831 .stop_mc_access = &dce_v11_0_stop_mc_access, 3832 .resume_mc_access = &dce_v11_0_resume_mc_access, 3833 }; 3834 3835 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev) 3836 { 3837 if (adev->mode_info.funcs == NULL) 3838 adev->mode_info.funcs = &dce_v11_0_display_funcs; 3839 } 3840 3841 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = { 3842 .set = dce_v11_0_set_crtc_irq_state, 3843 .process = dce_v11_0_crtc_irq, 3844 }; 3845 3846 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = { 3847 .set = dce_v11_0_set_pageflip_irq_state, 3848 .process = dce_v11_0_pageflip_irq, 3849 }; 3850 3851 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = { 3852 .set = dce_v11_0_set_hpd_irq_state, 3853 .process = dce_v11_0_hpd_irq, 3854 }; 3855 3856 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev) 3857 { 3858 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST; 3859 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs; 3860 3861 adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST; 3862 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs; 3863 3864 adev->hpd_irq.num_types = AMDGPU_HPD_LAST; 3865 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs; 3866 } 3867 3868 const struct amdgpu_ip_block_version dce_v11_0_ip_block = 3869 { 3870 .type = AMD_IP_BLOCK_TYPE_DCE, 3871 .major = 11, 3872 .minor = 0, 3873 .rev = 0, 3874 .funcs = &dce_v11_0_ip_funcs, 3875 }; 3876 3877 const struct amdgpu_ip_block_version dce_v11_2_ip_block = 3878 { 3879 .type = AMD_IP_BLOCK_TYPE_DCE, 3880 .major = 11, 3881 .minor = 2, 3882 .rev = 0, 3883 .funcs = &dce_v11_0_ip_funcs, 3884 }; 3885