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 <drm/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_v10_0.h" 35 36 #include "dce/dce_10_0_d.h" 37 #include "dce/dce_10_0_sh_mask.h" 38 #include "dce/dce_10_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_v10_0_set_display_funcs(struct amdgpu_device *adev); 45 static void dce_v10_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 }; 77 78 static const struct { 79 uint32_t reg; 80 uint32_t vblank; 81 uint32_t vline; 82 uint32_t hpd; 83 84 } interrupt_status_offsets[] = { { 85 .reg = mmDISP_INTERRUPT_STATUS, 86 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK, 87 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK, 88 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK 89 }, { 90 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE, 91 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK, 92 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK, 93 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK 94 }, { 95 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2, 96 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK, 97 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK, 98 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK 99 }, { 100 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3, 101 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK, 102 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK, 103 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK 104 }, { 105 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4, 106 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK, 107 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK, 108 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK 109 }, { 110 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5, 111 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK, 112 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK, 113 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK 114 } }; 115 116 static const u32 golden_settings_tonga_a11[] = 117 { 118 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 119 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 120 mmFBC_MISC, 0x1f311fff, 0x12300000, 121 mmHDMI_CONTROL, 0x31000111, 0x00000011, 122 }; 123 124 static const u32 tonga_mgcg_cgcg_init[] = 125 { 126 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 127 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 128 }; 129 130 static const u32 golden_settings_fiji_a10[] = 131 { 132 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 133 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 134 mmFBC_MISC, 0x1f311fff, 0x12300000, 135 mmHDMI_CONTROL, 0x31000111, 0x00000011, 136 }; 137 138 static const u32 fiji_mgcg_cgcg_init[] = 139 { 140 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 141 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 142 }; 143 144 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev) 145 { 146 switch (adev->asic_type) { 147 case CHIP_FIJI: 148 amdgpu_device_program_register_sequence(adev, 149 fiji_mgcg_cgcg_init, 150 ARRAY_SIZE(fiji_mgcg_cgcg_init)); 151 amdgpu_device_program_register_sequence(adev, 152 golden_settings_fiji_a10, 153 ARRAY_SIZE(golden_settings_fiji_a10)); 154 break; 155 case CHIP_TONGA: 156 amdgpu_device_program_register_sequence(adev, 157 tonga_mgcg_cgcg_init, 158 ARRAY_SIZE(tonga_mgcg_cgcg_init)); 159 amdgpu_device_program_register_sequence(adev, 160 golden_settings_tonga_a11, 161 ARRAY_SIZE(golden_settings_tonga_a11)); 162 break; 163 default: 164 break; 165 } 166 } 167 168 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev, 169 u32 block_offset, u32 reg) 170 { 171 unsigned long flags; 172 u32 r; 173 174 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 175 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 176 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset); 177 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 178 179 return r; 180 } 181 182 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev, 183 u32 block_offset, u32 reg, u32 v) 184 { 185 unsigned long flags; 186 187 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 188 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 189 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v); 190 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 191 } 192 193 static bool dce_v10_0_is_in_vblank(struct amdgpu_device *adev, int crtc) 194 { 195 if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) & 196 CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK) 197 return true; 198 else 199 return false; 200 } 201 202 static bool dce_v10_0_is_counter_moving(struct amdgpu_device *adev, int crtc) 203 { 204 u32 pos1, pos2; 205 206 pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 207 pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 208 209 if (pos1 != pos2) 210 return true; 211 else 212 return false; 213 } 214 215 /** 216 * dce_v10_0_vblank_wait - vblank wait asic callback. 217 * 218 * @adev: amdgpu_device pointer 219 * @crtc: crtc to wait for vblank on 220 * 221 * Wait for vblank on the requested crtc (evergreen+). 222 */ 223 static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc) 224 { 225 unsigned i = 100; 226 227 if (crtc >= adev->mode_info.num_crtc) 228 return; 229 230 if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK)) 231 return; 232 233 /* depending on when we hit vblank, we may be close to active; if so, 234 * wait for another frame. 235 */ 236 while (dce_v10_0_is_in_vblank(adev, crtc)) { 237 if (i++ == 100) { 238 i = 0; 239 if (!dce_v10_0_is_counter_moving(adev, crtc)) 240 break; 241 } 242 } 243 244 while (!dce_v10_0_is_in_vblank(adev, crtc)) { 245 if (i++ == 100) { 246 i = 0; 247 if (!dce_v10_0_is_counter_moving(adev, crtc)) 248 break; 249 } 250 } 251 } 252 253 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) 254 { 255 if (crtc >= adev->mode_info.num_crtc) 256 return 0; 257 else 258 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 259 } 260 261 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev) 262 { 263 unsigned i; 264 265 /* Enable pflip interrupts */ 266 for (i = 0; i < adev->mode_info.num_crtc; i++) 267 amdgpu_irq_get(adev, &adev->pageflip_irq, i); 268 } 269 270 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev) 271 { 272 unsigned i; 273 274 /* Disable pflip interrupts */ 275 for (i = 0; i < adev->mode_info.num_crtc; i++) 276 amdgpu_irq_put(adev, &adev->pageflip_irq, i); 277 } 278 279 /** 280 * dce_v10_0_page_flip - pageflip callback. 281 * 282 * @adev: amdgpu_device pointer 283 * @crtc_id: crtc to cleanup pageflip on 284 * @crtc_base: new address of the crtc (GPU MC address) 285 * 286 * Triggers the actual pageflip by updating the primary 287 * surface base address. 288 */ 289 static void dce_v10_0_page_flip(struct amdgpu_device *adev, 290 int crtc_id, u64 crtc_base, bool async) 291 { 292 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 293 u32 tmp; 294 295 /* flip at hsync for async, default is vsync */ 296 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 297 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 298 GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0); 299 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 300 /* update the primary scanout address */ 301 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 302 upper_32_bits(crtc_base)); 303 /* writing to the low address triggers the update */ 304 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 305 lower_32_bits(crtc_base)); 306 /* post the write */ 307 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); 308 } 309 310 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 311 u32 *vbl, u32 *position) 312 { 313 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 314 return -EINVAL; 315 316 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 317 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 318 319 return 0; 320 } 321 322 /** 323 * dce_v10_0_hpd_sense - hpd sense callback. 324 * 325 * @adev: amdgpu_device pointer 326 * @hpd: hpd (hotplug detect) pin 327 * 328 * Checks if a digital monitor is connected (evergreen+). 329 * Returns true if connected, false if not connected. 330 */ 331 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev, 332 enum amdgpu_hpd_id hpd) 333 { 334 bool connected = false; 335 336 if (hpd >= adev->mode_info.num_hpd) 337 return connected; 338 339 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & 340 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) 341 connected = true; 342 343 return connected; 344 } 345 346 /** 347 * dce_v10_0_hpd_set_polarity - hpd set polarity callback. 348 * 349 * @adev: amdgpu_device pointer 350 * @hpd: hpd (hotplug detect) pin 351 * 352 * Set the polarity of the hpd pin (evergreen+). 353 */ 354 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev, 355 enum amdgpu_hpd_id hpd) 356 { 357 u32 tmp; 358 bool connected = dce_v10_0_hpd_sense(adev, hpd); 359 360 if (hpd >= adev->mode_info.num_hpd) 361 return; 362 363 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 364 if (connected) 365 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); 366 else 367 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); 368 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 369 } 370 371 /** 372 * dce_v10_0_hpd_init - hpd setup callback. 373 * 374 * @adev: amdgpu_device pointer 375 * 376 * Setup the hpd pins used by the card (evergreen+). 377 * Enable the pin, set the polarity, and enable the hpd interrupts. 378 */ 379 static void dce_v10_0_hpd_init(struct amdgpu_device *adev) 380 { 381 struct drm_device *dev = adev->ddev; 382 struct drm_connector *connector; 383 u32 tmp; 384 385 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 386 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 387 388 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 389 continue; 390 391 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 392 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 393 /* don't try to enable hpd on eDP or LVDS avoid breaking the 394 * aux dp channel on imac and help (but not completely fix) 395 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 396 * also avoid interrupt storms during dpms. 397 */ 398 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 399 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 400 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 401 continue; 402 } 403 404 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 405 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); 406 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 407 408 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); 409 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 410 DC_HPD_CONNECT_INT_DELAY, 411 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); 412 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 413 DC_HPD_DISCONNECT_INT_DELAY, 414 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); 415 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 416 417 dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 418 amdgpu_irq_get(adev, &adev->hpd_irq, 419 amdgpu_connector->hpd.hpd); 420 } 421 } 422 423 /** 424 * dce_v10_0_hpd_fini - hpd tear down callback. 425 * 426 * @adev: amdgpu_device pointer 427 * 428 * Tear down the hpd pins used by the card (evergreen+). 429 * Disable the hpd interrupts. 430 */ 431 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev) 432 { 433 struct drm_device *dev = adev->ddev; 434 struct drm_connector *connector; 435 u32 tmp; 436 437 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 438 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 439 440 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 441 continue; 442 443 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 444 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); 445 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 446 447 amdgpu_irq_put(adev, &adev->hpd_irq, 448 amdgpu_connector->hpd.hpd); 449 } 450 } 451 452 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 453 { 454 return mmDC_GPIO_HPD_A; 455 } 456 457 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev) 458 { 459 u32 crtc_hung = 0; 460 u32 crtc_status[6]; 461 u32 i, j, tmp; 462 463 for (i = 0; i < adev->mode_info.num_crtc; i++) { 464 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 465 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) { 466 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 467 crtc_hung |= (1 << i); 468 } 469 } 470 471 for (j = 0; j < 10; j++) { 472 for (i = 0; i < adev->mode_info.num_crtc; i++) { 473 if (crtc_hung & (1 << i)) { 474 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 475 if (tmp != crtc_status[i]) 476 crtc_hung &= ~(1 << i); 477 } 478 } 479 if (crtc_hung == 0) 480 return false; 481 udelay(100); 482 } 483 484 return true; 485 } 486 487 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev, 488 bool render) 489 { 490 u32 tmp; 491 492 /* Lockout access through VGA aperture*/ 493 tmp = RREG32(mmVGA_HDP_CONTROL); 494 if (render) 495 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 496 else 497 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 498 WREG32(mmVGA_HDP_CONTROL, tmp); 499 500 /* disable VGA render */ 501 tmp = RREG32(mmVGA_RENDER_CONTROL); 502 if (render) 503 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 504 else 505 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 506 WREG32(mmVGA_RENDER_CONTROL, tmp); 507 } 508 509 static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev) 510 { 511 int num_crtc = 0; 512 513 switch (adev->asic_type) { 514 case CHIP_FIJI: 515 case CHIP_TONGA: 516 num_crtc = 6; 517 break; 518 default: 519 num_crtc = 0; 520 } 521 return num_crtc; 522 } 523 524 void dce_v10_0_disable_dce(struct amdgpu_device *adev) 525 { 526 /*Disable VGA render and enabled crtc, if has DCE engine*/ 527 if (amdgpu_atombios_has_dce_engine_info(adev)) { 528 u32 tmp; 529 int crtc_enabled, i; 530 531 dce_v10_0_set_vga_render_state(adev, false); 532 533 /*Disable crtc*/ 534 for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) { 535 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 536 CRTC_CONTROL, CRTC_MASTER_EN); 537 if (crtc_enabled) { 538 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 539 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 540 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 541 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 542 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 543 } 544 } 545 } 546 } 547 548 static void dce_v10_0_program_fmt(struct drm_encoder *encoder) 549 { 550 struct drm_device *dev = encoder->dev; 551 struct amdgpu_device *adev = dev->dev_private; 552 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 553 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 554 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 555 int bpc = 0; 556 u32 tmp = 0; 557 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 558 559 if (connector) { 560 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 561 bpc = amdgpu_connector_get_monitor_bpc(connector); 562 dither = amdgpu_connector->dither; 563 } 564 565 /* LVDS/eDP FMT is set up by atom */ 566 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 567 return; 568 569 /* not needed for analog */ 570 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 571 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 572 return; 573 574 if (bpc == 0) 575 return; 576 577 switch (bpc) { 578 case 6: 579 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 580 /* XXX sort out optimal dither settings */ 581 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 582 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 583 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 584 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0); 585 } else { 586 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 587 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0); 588 } 589 break; 590 case 8: 591 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 592 /* XXX sort out optimal dither settings */ 593 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 594 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 595 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 596 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 597 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1); 598 } else { 599 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 600 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1); 601 } 602 break; 603 case 10: 604 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 605 /* XXX sort out optimal dither settings */ 606 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 607 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 608 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 609 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 610 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2); 611 } else { 612 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 613 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2); 614 } 615 break; 616 default: 617 /* not needed */ 618 break; 619 } 620 621 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 622 } 623 624 625 /* display watermark setup */ 626 /** 627 * dce_v10_0_line_buffer_adjust - Set up the line buffer 628 * 629 * @adev: amdgpu_device pointer 630 * @amdgpu_crtc: the selected display controller 631 * @mode: the current display mode on the selected display 632 * controller 633 * 634 * Setup up the line buffer allocation for 635 * the selected display controller (CIK). 636 * Returns the line buffer size in pixels. 637 */ 638 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev, 639 struct amdgpu_crtc *amdgpu_crtc, 640 struct drm_display_mode *mode) 641 { 642 u32 tmp, buffer_alloc, i, mem_cfg; 643 u32 pipe_offset = amdgpu_crtc->crtc_id; 644 /* 645 * Line Buffer Setup 646 * There are 6 line buffers, one for each display controllers. 647 * There are 3 partitions per LB. Select the number of partitions 648 * to enable based on the display width. For display widths larger 649 * than 4096, you need use to use 2 display controllers and combine 650 * them using the stereo blender. 651 */ 652 if (amdgpu_crtc->base.enabled && mode) { 653 if (mode->crtc_hdisplay < 1920) { 654 mem_cfg = 1; 655 buffer_alloc = 2; 656 } else if (mode->crtc_hdisplay < 2560) { 657 mem_cfg = 2; 658 buffer_alloc = 2; 659 } else if (mode->crtc_hdisplay < 4096) { 660 mem_cfg = 0; 661 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 662 } else { 663 DRM_DEBUG_KMS("Mode too big for LB!\n"); 664 mem_cfg = 0; 665 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 666 } 667 } else { 668 mem_cfg = 1; 669 buffer_alloc = 0; 670 } 671 672 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset); 673 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg); 674 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp); 675 676 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 677 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc); 678 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp); 679 680 for (i = 0; i < adev->usec_timeout; i++) { 681 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 682 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED)) 683 break; 684 udelay(1); 685 } 686 687 if (amdgpu_crtc->base.enabled && mode) { 688 switch (mem_cfg) { 689 case 0: 690 default: 691 return 4096 * 2; 692 case 1: 693 return 1920 * 2; 694 case 2: 695 return 2560 * 2; 696 } 697 } 698 699 /* controller not enabled, so no lb used */ 700 return 0; 701 } 702 703 /** 704 * cik_get_number_of_dram_channels - get the number of dram channels 705 * 706 * @adev: amdgpu_device pointer 707 * 708 * Look up the number of video ram channels (CIK). 709 * Used for display watermark bandwidth calculations 710 * Returns the number of dram channels 711 */ 712 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 713 { 714 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 715 716 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 717 case 0: 718 default: 719 return 1; 720 case 1: 721 return 2; 722 case 2: 723 return 4; 724 case 3: 725 return 8; 726 case 4: 727 return 3; 728 case 5: 729 return 6; 730 case 6: 731 return 10; 732 case 7: 733 return 12; 734 case 8: 735 return 16; 736 } 737 } 738 739 struct dce10_wm_params { 740 u32 dram_channels; /* number of dram channels */ 741 u32 yclk; /* bandwidth per dram data pin in kHz */ 742 u32 sclk; /* engine clock in kHz */ 743 u32 disp_clk; /* display clock in kHz */ 744 u32 src_width; /* viewport width */ 745 u32 active_time; /* active display time in ns */ 746 u32 blank_time; /* blank time in ns */ 747 bool interlaced; /* mode is interlaced */ 748 fixed20_12 vsc; /* vertical scale ratio */ 749 u32 num_heads; /* number of active crtcs */ 750 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 751 u32 lb_size; /* line buffer allocated to pipe */ 752 u32 vtaps; /* vertical scaler taps */ 753 }; 754 755 /** 756 * dce_v10_0_dram_bandwidth - get the dram bandwidth 757 * 758 * @wm: watermark calculation data 759 * 760 * Calculate the raw dram bandwidth (CIK). 761 * Used for display watermark bandwidth calculations 762 * Returns the dram bandwidth in MBytes/s 763 */ 764 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm) 765 { 766 /* Calculate raw DRAM Bandwidth */ 767 fixed20_12 dram_efficiency; /* 0.7 */ 768 fixed20_12 yclk, dram_channels, bandwidth; 769 fixed20_12 a; 770 771 a.full = dfixed_const(1000); 772 yclk.full = dfixed_const(wm->yclk); 773 yclk.full = dfixed_div(yclk, a); 774 dram_channels.full = dfixed_const(wm->dram_channels * 4); 775 a.full = dfixed_const(10); 776 dram_efficiency.full = dfixed_const(7); 777 dram_efficiency.full = dfixed_div(dram_efficiency, a); 778 bandwidth.full = dfixed_mul(dram_channels, yclk); 779 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 780 781 return dfixed_trunc(bandwidth); 782 } 783 784 /** 785 * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display 786 * 787 * @wm: watermark calculation data 788 * 789 * Calculate the dram bandwidth used for display (CIK). 790 * Used for display watermark bandwidth calculations 791 * Returns the dram bandwidth for display in MBytes/s 792 */ 793 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm) 794 { 795 /* Calculate DRAM Bandwidth and the part allocated to display. */ 796 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 797 fixed20_12 yclk, dram_channels, bandwidth; 798 fixed20_12 a; 799 800 a.full = dfixed_const(1000); 801 yclk.full = dfixed_const(wm->yclk); 802 yclk.full = dfixed_div(yclk, a); 803 dram_channels.full = dfixed_const(wm->dram_channels * 4); 804 a.full = dfixed_const(10); 805 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 806 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 807 bandwidth.full = dfixed_mul(dram_channels, yclk); 808 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 809 810 return dfixed_trunc(bandwidth); 811 } 812 813 /** 814 * dce_v10_0_data_return_bandwidth - get the data return bandwidth 815 * 816 * @wm: watermark calculation data 817 * 818 * Calculate the data return bandwidth used for display (CIK). 819 * Used for display watermark bandwidth calculations 820 * Returns the data return bandwidth in MBytes/s 821 */ 822 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm) 823 { 824 /* Calculate the display Data return Bandwidth */ 825 fixed20_12 return_efficiency; /* 0.8 */ 826 fixed20_12 sclk, bandwidth; 827 fixed20_12 a; 828 829 a.full = dfixed_const(1000); 830 sclk.full = dfixed_const(wm->sclk); 831 sclk.full = dfixed_div(sclk, a); 832 a.full = dfixed_const(10); 833 return_efficiency.full = dfixed_const(8); 834 return_efficiency.full = dfixed_div(return_efficiency, a); 835 a.full = dfixed_const(32); 836 bandwidth.full = dfixed_mul(a, sclk); 837 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 838 839 return dfixed_trunc(bandwidth); 840 } 841 842 /** 843 * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth 844 * 845 * @wm: watermark calculation data 846 * 847 * Calculate the dmif bandwidth used for display (CIK). 848 * Used for display watermark bandwidth calculations 849 * Returns the dmif bandwidth in MBytes/s 850 */ 851 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm) 852 { 853 /* Calculate the DMIF Request Bandwidth */ 854 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 855 fixed20_12 disp_clk, bandwidth; 856 fixed20_12 a, b; 857 858 a.full = dfixed_const(1000); 859 disp_clk.full = dfixed_const(wm->disp_clk); 860 disp_clk.full = dfixed_div(disp_clk, a); 861 a.full = dfixed_const(32); 862 b.full = dfixed_mul(a, disp_clk); 863 864 a.full = dfixed_const(10); 865 disp_clk_request_efficiency.full = dfixed_const(8); 866 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 867 868 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 869 870 return dfixed_trunc(bandwidth); 871 } 872 873 /** 874 * dce_v10_0_available_bandwidth - get the min available bandwidth 875 * 876 * @wm: watermark calculation data 877 * 878 * Calculate the min available bandwidth used for display (CIK). 879 * Used for display watermark bandwidth calculations 880 * Returns the min available bandwidth in MBytes/s 881 */ 882 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm) 883 { 884 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 885 u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm); 886 u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm); 887 u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm); 888 889 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 890 } 891 892 /** 893 * dce_v10_0_average_bandwidth - get the average available bandwidth 894 * 895 * @wm: watermark calculation data 896 * 897 * Calculate the average available bandwidth used for display (CIK). 898 * Used for display watermark bandwidth calculations 899 * Returns the average available bandwidth in MBytes/s 900 */ 901 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm) 902 { 903 /* Calculate the display mode Average Bandwidth 904 * DisplayMode should contain the source and destination dimensions, 905 * timing, etc. 906 */ 907 fixed20_12 bpp; 908 fixed20_12 line_time; 909 fixed20_12 src_width; 910 fixed20_12 bandwidth; 911 fixed20_12 a; 912 913 a.full = dfixed_const(1000); 914 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 915 line_time.full = dfixed_div(line_time, a); 916 bpp.full = dfixed_const(wm->bytes_per_pixel); 917 src_width.full = dfixed_const(wm->src_width); 918 bandwidth.full = dfixed_mul(src_width, bpp); 919 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 920 bandwidth.full = dfixed_div(bandwidth, line_time); 921 922 return dfixed_trunc(bandwidth); 923 } 924 925 /** 926 * dce_v10_0_latency_watermark - get the latency watermark 927 * 928 * @wm: watermark calculation data 929 * 930 * Calculate the latency watermark (CIK). 931 * Used for display watermark bandwidth calculations 932 * Returns the latency watermark in ns 933 */ 934 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm) 935 { 936 /* First calculate the latency in ns */ 937 u32 mc_latency = 2000; /* 2000 ns. */ 938 u32 available_bandwidth = dce_v10_0_available_bandwidth(wm); 939 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 940 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 941 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 942 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 943 (wm->num_heads * cursor_line_pair_return_time); 944 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 945 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 946 u32 tmp, dmif_size = 12288; 947 fixed20_12 a, b, c; 948 949 if (wm->num_heads == 0) 950 return 0; 951 952 a.full = dfixed_const(2); 953 b.full = dfixed_const(1); 954 if ((wm->vsc.full > a.full) || 955 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 956 (wm->vtaps >= 5) || 957 ((wm->vsc.full >= a.full) && wm->interlaced)) 958 max_src_lines_per_dst_line = 4; 959 else 960 max_src_lines_per_dst_line = 2; 961 962 a.full = dfixed_const(available_bandwidth); 963 b.full = dfixed_const(wm->num_heads); 964 a.full = dfixed_div(a, b); 965 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512); 966 tmp = min(dfixed_trunc(a), tmp); 967 968 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000); 969 970 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 971 b.full = dfixed_const(1000); 972 c.full = dfixed_const(lb_fill_bw); 973 b.full = dfixed_div(c, b); 974 a.full = dfixed_div(a, b); 975 line_fill_time = dfixed_trunc(a); 976 977 if (line_fill_time < wm->active_time) 978 return latency; 979 else 980 return latency + (line_fill_time - wm->active_time); 981 982 } 983 984 /** 985 * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check 986 * average and available dram bandwidth 987 * 988 * @wm: watermark calculation data 989 * 990 * Check if the display average bandwidth fits in the display 991 * dram bandwidth (CIK). 992 * Used for display watermark bandwidth calculations 993 * Returns true if the display fits, false if not. 994 */ 995 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm) 996 { 997 if (dce_v10_0_average_bandwidth(wm) <= 998 (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 999 return true; 1000 else 1001 return false; 1002 } 1003 1004 /** 1005 * dce_v10_0_average_bandwidth_vs_available_bandwidth - check 1006 * average and available bandwidth 1007 * 1008 * @wm: watermark calculation data 1009 * 1010 * Check if the display average bandwidth fits in the display 1011 * available bandwidth (CIK). 1012 * Used for display watermark bandwidth calculations 1013 * Returns true if the display fits, false if not. 1014 */ 1015 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm) 1016 { 1017 if (dce_v10_0_average_bandwidth(wm) <= 1018 (dce_v10_0_available_bandwidth(wm) / wm->num_heads)) 1019 return true; 1020 else 1021 return false; 1022 } 1023 1024 /** 1025 * dce_v10_0_check_latency_hiding - check latency hiding 1026 * 1027 * @wm: watermark calculation data 1028 * 1029 * Check latency hiding (CIK). 1030 * Used for display watermark bandwidth calculations 1031 * Returns true if the display fits, false if not. 1032 */ 1033 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm) 1034 { 1035 u32 lb_partitions = wm->lb_size / wm->src_width; 1036 u32 line_time = wm->active_time + wm->blank_time; 1037 u32 latency_tolerant_lines; 1038 u32 latency_hiding; 1039 fixed20_12 a; 1040 1041 a.full = dfixed_const(1); 1042 if (wm->vsc.full > a.full) 1043 latency_tolerant_lines = 1; 1044 else { 1045 if (lb_partitions <= (wm->vtaps + 1)) 1046 latency_tolerant_lines = 1; 1047 else 1048 latency_tolerant_lines = 2; 1049 } 1050 1051 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1052 1053 if (dce_v10_0_latency_watermark(wm) <= latency_hiding) 1054 return true; 1055 else 1056 return false; 1057 } 1058 1059 /** 1060 * dce_v10_0_program_watermarks - program display watermarks 1061 * 1062 * @adev: amdgpu_device pointer 1063 * @amdgpu_crtc: the selected display controller 1064 * @lb_size: line buffer size 1065 * @num_heads: number of display controllers in use 1066 * 1067 * Calculate and program the display watermarks for the 1068 * selected display controller (CIK). 1069 */ 1070 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, 1071 struct amdgpu_crtc *amdgpu_crtc, 1072 u32 lb_size, u32 num_heads) 1073 { 1074 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1075 struct dce10_wm_params wm_low, wm_high; 1076 u32 active_time; 1077 u32 line_time = 0; 1078 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1079 u32 tmp, wm_mask, lb_vblank_lead_lines = 0; 1080 1081 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1082 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, 1083 (u32)mode->clock); 1084 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, 1085 (u32)mode->clock); 1086 line_time = min(line_time, (u32)65535); 1087 1088 /* watermark for high clocks */ 1089 if (adev->pm.dpm_enabled) { 1090 wm_high.yclk = 1091 amdgpu_dpm_get_mclk(adev, false) * 10; 1092 wm_high.sclk = 1093 amdgpu_dpm_get_sclk(adev, false) * 10; 1094 } else { 1095 wm_high.yclk = adev->pm.current_mclk * 10; 1096 wm_high.sclk = adev->pm.current_sclk * 10; 1097 } 1098 1099 wm_high.disp_clk = mode->clock; 1100 wm_high.src_width = mode->crtc_hdisplay; 1101 wm_high.active_time = active_time; 1102 wm_high.blank_time = line_time - wm_high.active_time; 1103 wm_high.interlaced = false; 1104 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1105 wm_high.interlaced = true; 1106 wm_high.vsc = amdgpu_crtc->vsc; 1107 wm_high.vtaps = 1; 1108 if (amdgpu_crtc->rmx_type != RMX_OFF) 1109 wm_high.vtaps = 2; 1110 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1111 wm_high.lb_size = lb_size; 1112 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1113 wm_high.num_heads = num_heads; 1114 1115 /* set for high clocks */ 1116 latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535); 1117 1118 /* possibly force display priority to high */ 1119 /* should really do this at mode validation time... */ 1120 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1121 !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1122 !dce_v10_0_check_latency_hiding(&wm_high) || 1123 (adev->mode_info.disp_priority == 2)) { 1124 DRM_DEBUG_KMS("force priority to high\n"); 1125 } 1126 1127 /* watermark for low clocks */ 1128 if (adev->pm.dpm_enabled) { 1129 wm_low.yclk = 1130 amdgpu_dpm_get_mclk(adev, true) * 10; 1131 wm_low.sclk = 1132 amdgpu_dpm_get_sclk(adev, true) * 10; 1133 } else { 1134 wm_low.yclk = adev->pm.current_mclk * 10; 1135 wm_low.sclk = adev->pm.current_sclk * 10; 1136 } 1137 1138 wm_low.disp_clk = mode->clock; 1139 wm_low.src_width = mode->crtc_hdisplay; 1140 wm_low.active_time = active_time; 1141 wm_low.blank_time = line_time - wm_low.active_time; 1142 wm_low.interlaced = false; 1143 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1144 wm_low.interlaced = true; 1145 wm_low.vsc = amdgpu_crtc->vsc; 1146 wm_low.vtaps = 1; 1147 if (amdgpu_crtc->rmx_type != RMX_OFF) 1148 wm_low.vtaps = 2; 1149 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1150 wm_low.lb_size = lb_size; 1151 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1152 wm_low.num_heads = num_heads; 1153 1154 /* set for low clocks */ 1155 latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535); 1156 1157 /* possibly force display priority to high */ 1158 /* should really do this at mode validation time... */ 1159 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1160 !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1161 !dce_v10_0_check_latency_hiding(&wm_low) || 1162 (adev->mode_info.disp_priority == 2)) { 1163 DRM_DEBUG_KMS("force priority to high\n"); 1164 } 1165 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); 1166 } 1167 1168 /* select wm A */ 1169 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1170 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1); 1171 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1172 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1173 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a); 1174 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1175 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1176 /* select wm B */ 1177 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2); 1178 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1179 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1180 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b); 1181 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1182 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1183 /* restore original selection */ 1184 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1185 1186 /* save values for DPM */ 1187 amdgpu_crtc->line_time = line_time; 1188 amdgpu_crtc->wm_high = latency_watermark_a; 1189 amdgpu_crtc->wm_low = latency_watermark_b; 1190 /* Save number of lines the linebuffer leads before the scanout */ 1191 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; 1192 } 1193 1194 /** 1195 * dce_v10_0_bandwidth_update - program display watermarks 1196 * 1197 * @adev: amdgpu_device pointer 1198 * 1199 * Calculate and program the display watermarks and line 1200 * buffer allocation (CIK). 1201 */ 1202 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev) 1203 { 1204 struct drm_display_mode *mode = NULL; 1205 u32 num_heads = 0, lb_size; 1206 int i; 1207 1208 amdgpu_update_display_priority(adev); 1209 1210 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1211 if (adev->mode_info.crtcs[i]->base.enabled) 1212 num_heads++; 1213 } 1214 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1215 mode = &adev->mode_info.crtcs[i]->base.mode; 1216 lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1217 dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1218 lb_size, num_heads); 1219 } 1220 } 1221 1222 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev) 1223 { 1224 int i; 1225 u32 offset, tmp; 1226 1227 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1228 offset = adev->mode_info.audio.pin[i].offset; 1229 tmp = RREG32_AUDIO_ENDPT(offset, 1230 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1231 if (((tmp & 1232 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1233 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1234 adev->mode_info.audio.pin[i].connected = false; 1235 else 1236 adev->mode_info.audio.pin[i].connected = true; 1237 } 1238 } 1239 1240 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev) 1241 { 1242 int i; 1243 1244 dce_v10_0_audio_get_connected_pins(adev); 1245 1246 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1247 if (adev->mode_info.audio.pin[i].connected) 1248 return &adev->mode_info.audio.pin[i]; 1249 } 1250 DRM_ERROR("No connected audio pins found!\n"); 1251 return NULL; 1252 } 1253 1254 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1255 { 1256 struct amdgpu_device *adev = encoder->dev->dev_private; 1257 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1258 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1259 u32 tmp; 1260 1261 if (!dig || !dig->afmt || !dig->afmt->pin) 1262 return; 1263 1264 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset); 1265 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id); 1266 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp); 1267 } 1268 1269 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder, 1270 struct drm_display_mode *mode) 1271 { 1272 struct amdgpu_device *adev = encoder->dev->dev_private; 1273 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1274 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1275 struct drm_connector *connector; 1276 struct amdgpu_connector *amdgpu_connector = NULL; 1277 u32 tmp; 1278 int interlace = 0; 1279 1280 if (!dig || !dig->afmt || !dig->afmt->pin) 1281 return; 1282 1283 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1284 if (connector->encoder == encoder) { 1285 amdgpu_connector = to_amdgpu_connector(connector); 1286 break; 1287 } 1288 } 1289 1290 if (!amdgpu_connector) { 1291 DRM_ERROR("Couldn't find encoder's connector\n"); 1292 return; 1293 } 1294 1295 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1296 interlace = 1; 1297 if (connector->latency_present[interlace]) { 1298 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1299 VIDEO_LIPSYNC, connector->video_latency[interlace]); 1300 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1301 AUDIO_LIPSYNC, connector->audio_latency[interlace]); 1302 } else { 1303 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1304 VIDEO_LIPSYNC, 0); 1305 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1306 AUDIO_LIPSYNC, 0); 1307 } 1308 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1309 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1310 } 1311 1312 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1313 { 1314 struct amdgpu_device *adev = encoder->dev->dev_private; 1315 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1316 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1317 struct drm_connector *connector; 1318 struct amdgpu_connector *amdgpu_connector = NULL; 1319 u32 tmp; 1320 u8 *sadb = NULL; 1321 int sad_count; 1322 1323 if (!dig || !dig->afmt || !dig->afmt->pin) 1324 return; 1325 1326 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1327 if (connector->encoder == encoder) { 1328 amdgpu_connector = to_amdgpu_connector(connector); 1329 break; 1330 } 1331 } 1332 1333 if (!amdgpu_connector) { 1334 DRM_ERROR("Couldn't find encoder's connector\n"); 1335 return; 1336 } 1337 1338 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb); 1339 if (sad_count < 0) { 1340 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1341 sad_count = 0; 1342 } 1343 1344 /* program the speaker allocation */ 1345 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1346 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1347 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1348 DP_CONNECTION, 0); 1349 /* set HDMI mode */ 1350 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1351 HDMI_CONNECTION, 1); 1352 if (sad_count) 1353 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1354 SPEAKER_ALLOCATION, sadb[0]); 1355 else 1356 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1357 SPEAKER_ALLOCATION, 5); /* stereo */ 1358 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1359 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1360 1361 kfree(sadb); 1362 } 1363 1364 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder) 1365 { 1366 struct amdgpu_device *adev = encoder->dev->dev_private; 1367 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1368 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1369 struct drm_connector *connector; 1370 struct amdgpu_connector *amdgpu_connector = NULL; 1371 struct cea_sad *sads; 1372 int i, sad_count; 1373 1374 static const u16 eld_reg_to_type[][2] = { 1375 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1376 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1377 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1378 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1379 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1380 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1381 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1382 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1383 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1384 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1385 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1386 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1387 }; 1388 1389 if (!dig || !dig->afmt || !dig->afmt->pin) 1390 return; 1391 1392 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 1393 if (connector->encoder == encoder) { 1394 amdgpu_connector = to_amdgpu_connector(connector); 1395 break; 1396 } 1397 } 1398 1399 if (!amdgpu_connector) { 1400 DRM_ERROR("Couldn't find encoder's connector\n"); 1401 return; 1402 } 1403 1404 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); 1405 if (sad_count <= 0) { 1406 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1407 return; 1408 } 1409 BUG_ON(!sads); 1410 1411 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1412 u32 tmp = 0; 1413 u8 stereo_freqs = 0; 1414 int max_channels = -1; 1415 int j; 1416 1417 for (j = 0; j < sad_count; j++) { 1418 struct cea_sad *sad = &sads[j]; 1419 1420 if (sad->format == eld_reg_to_type[i][1]) { 1421 if (sad->channels > max_channels) { 1422 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1423 MAX_CHANNELS, sad->channels); 1424 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1425 DESCRIPTOR_BYTE_2, sad->byte2); 1426 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1427 SUPPORTED_FREQUENCIES, sad->freq); 1428 max_channels = sad->channels; 1429 } 1430 1431 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1432 stereo_freqs |= sad->freq; 1433 else 1434 break; 1435 } 1436 } 1437 1438 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1439 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs); 1440 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp); 1441 } 1442 1443 kfree(sads); 1444 } 1445 1446 static void dce_v10_0_audio_enable(struct amdgpu_device *adev, 1447 struct amdgpu_audio_pin *pin, 1448 bool enable) 1449 { 1450 if (!pin) 1451 return; 1452 1453 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1454 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1455 } 1456 1457 static const u32 pin_offsets[] = 1458 { 1459 AUD0_REGISTER_OFFSET, 1460 AUD1_REGISTER_OFFSET, 1461 AUD2_REGISTER_OFFSET, 1462 AUD3_REGISTER_OFFSET, 1463 AUD4_REGISTER_OFFSET, 1464 AUD5_REGISTER_OFFSET, 1465 AUD6_REGISTER_OFFSET, 1466 }; 1467 1468 static int dce_v10_0_audio_init(struct amdgpu_device *adev) 1469 { 1470 int i; 1471 1472 if (!amdgpu_audio) 1473 return 0; 1474 1475 adev->mode_info.audio.enabled = true; 1476 1477 adev->mode_info.audio.num_pins = 7; 1478 1479 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1480 adev->mode_info.audio.pin[i].channels = -1; 1481 adev->mode_info.audio.pin[i].rate = -1; 1482 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1483 adev->mode_info.audio.pin[i].status_bits = 0; 1484 adev->mode_info.audio.pin[i].category_code = 0; 1485 adev->mode_info.audio.pin[i].connected = false; 1486 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1487 adev->mode_info.audio.pin[i].id = i; 1488 /* disable audio. it will be set up later */ 1489 /* XXX remove once we switch to ip funcs */ 1490 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1491 } 1492 1493 return 0; 1494 } 1495 1496 static void dce_v10_0_audio_fini(struct amdgpu_device *adev) 1497 { 1498 int i; 1499 1500 if (!amdgpu_audio) 1501 return; 1502 1503 if (!adev->mode_info.audio.enabled) 1504 return; 1505 1506 for (i = 0; i < adev->mode_info.audio.num_pins; i++) 1507 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1508 1509 adev->mode_info.audio.enabled = false; 1510 } 1511 1512 /* 1513 * update the N and CTS parameters for a given pixel clock rate 1514 */ 1515 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1516 { 1517 struct drm_device *dev = encoder->dev; 1518 struct amdgpu_device *adev = dev->dev_private; 1519 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1520 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1521 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1522 u32 tmp; 1523 1524 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset); 1525 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz); 1526 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp); 1527 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset); 1528 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz); 1529 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp); 1530 1531 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset); 1532 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz); 1533 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp); 1534 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset); 1535 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz); 1536 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp); 1537 1538 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset); 1539 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz); 1540 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp); 1541 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset); 1542 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz); 1543 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp); 1544 1545 } 1546 1547 /* 1548 * build a HDMI Video Info Frame 1549 */ 1550 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1551 void *buffer, size_t size) 1552 { 1553 struct drm_device *dev = encoder->dev; 1554 struct amdgpu_device *adev = dev->dev_private; 1555 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1556 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1557 uint8_t *frame = buffer + 3; 1558 uint8_t *header = buffer; 1559 1560 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset, 1561 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1562 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset, 1563 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1564 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset, 1565 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1566 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset, 1567 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1568 } 1569 1570 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1571 { 1572 struct drm_device *dev = encoder->dev; 1573 struct amdgpu_device *adev = dev->dev_private; 1574 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1575 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1576 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1577 u32 dto_phase = 24 * 1000; 1578 u32 dto_modulo = clock; 1579 u32 tmp; 1580 1581 if (!dig || !dig->afmt) 1582 return; 1583 1584 /* XXX two dtos; generally use dto0 for hdmi */ 1585 /* Express [24MHz / target pixel clock] as an exact rational 1586 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1587 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1588 */ 1589 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE); 1590 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, 1591 amdgpu_crtc->crtc_id); 1592 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp); 1593 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1594 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1595 } 1596 1597 /* 1598 * update the info frames with the data from the current display mode 1599 */ 1600 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder, 1601 struct drm_display_mode *mode) 1602 { 1603 struct drm_device *dev = encoder->dev; 1604 struct amdgpu_device *adev = dev->dev_private; 1605 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1606 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1607 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1608 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1609 struct hdmi_avi_infoframe frame; 1610 ssize_t err; 1611 u32 tmp; 1612 int bpc = 8; 1613 1614 if (!dig || !dig->afmt) 1615 return; 1616 1617 /* Silent, r600_hdmi_enable will raise WARN for us */ 1618 if (!dig->afmt->enabled) 1619 return; 1620 1621 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1622 if (encoder->crtc) { 1623 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1624 bpc = amdgpu_crtc->bpc; 1625 } 1626 1627 /* disable audio prior to setting up hw */ 1628 dig->afmt->pin = dce_v10_0_audio_get_pin(adev); 1629 dce_v10_0_audio_enable(adev, dig->afmt->pin, false); 1630 1631 dce_v10_0_audio_set_dto(encoder, mode->clock); 1632 1633 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1634 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); 1635 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */ 1636 1637 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000); 1638 1639 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset); 1640 switch (bpc) { 1641 case 0: 1642 case 6: 1643 case 8: 1644 case 16: 1645 default: 1646 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0); 1647 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); 1648 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1649 connector->name, bpc); 1650 break; 1651 case 10: 1652 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1653 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1); 1654 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1655 connector->name); 1656 break; 1657 case 12: 1658 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1659 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2); 1660 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1661 connector->name); 1662 break; 1663 } 1664 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp); 1665 1666 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1667 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */ 1668 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */ 1669 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */ 1670 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); 1671 1672 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1673 /* enable audio info frames (frames won't be set until audio is enabled) */ 1674 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); 1675 /* required for audio info values to be updated */ 1676 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1); 1677 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1678 1679 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset); 1680 /* required for audio info values to be updated */ 1681 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1); 1682 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1683 1684 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1685 /* anything other than 0 */ 1686 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2); 1687 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1688 1689 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */ 1690 1691 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1692 /* set the default audio delay */ 1693 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); 1694 /* should be suffient for all audio modes and small enough for all hblanks */ 1695 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3); 1696 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1697 1698 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1699 /* allow 60958 channel status fields to be updated */ 1700 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1); 1701 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1702 1703 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset); 1704 if (bpc > 8) 1705 /* clear SW CTS value */ 1706 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0); 1707 else 1708 /* select SW CTS value */ 1709 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1); 1710 /* allow hw to sent ACR packets when required */ 1711 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1); 1712 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp); 1713 1714 dce_v10_0_afmt_update_ACR(encoder, mode->clock); 1715 1716 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset); 1717 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1); 1718 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp); 1719 1720 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset); 1721 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2); 1722 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp); 1723 1724 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset); 1725 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3); 1726 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4); 1727 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5); 1728 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6); 1729 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7); 1730 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8); 1731 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp); 1732 1733 dce_v10_0_audio_write_speaker_allocation(encoder); 1734 1735 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, 1736 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1737 1738 dce_v10_0_afmt_audio_select_pin(encoder); 1739 dce_v10_0_audio_write_sad_regs(encoder); 1740 dce_v10_0_audio_write_latency_fields(encoder, mode); 1741 1742 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false); 1743 if (err < 0) { 1744 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1745 return; 1746 } 1747 1748 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1749 if (err < 0) { 1750 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1751 return; 1752 } 1753 1754 dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1755 1756 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1757 /* enable AVI info frames */ 1758 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1); 1759 /* required for audio info values to be updated */ 1760 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1); 1761 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1762 1763 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1764 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2); 1765 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1766 1767 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1768 /* send audio packets */ 1769 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1); 1770 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1771 1772 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF); 1773 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF); 1774 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001); 1775 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001); 1776 1777 /* enable audio after to setting up hw */ 1778 dce_v10_0_audio_enable(adev, dig->afmt->pin, true); 1779 } 1780 1781 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1782 { 1783 struct drm_device *dev = encoder->dev; 1784 struct amdgpu_device *adev = dev->dev_private; 1785 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1786 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1787 1788 if (!dig || !dig->afmt) 1789 return; 1790 1791 /* Silent, r600_hdmi_enable will raise WARN for us */ 1792 if (enable && dig->afmt->enabled) 1793 return; 1794 if (!enable && !dig->afmt->enabled) 1795 return; 1796 1797 if (!enable && dig->afmt->pin) { 1798 dce_v10_0_audio_enable(adev, dig->afmt->pin, false); 1799 dig->afmt->pin = NULL; 1800 } 1801 1802 dig->afmt->enabled = enable; 1803 1804 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1805 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1806 } 1807 1808 static int dce_v10_0_afmt_init(struct amdgpu_device *adev) 1809 { 1810 int i; 1811 1812 for (i = 0; i < adev->mode_info.num_dig; i++) 1813 adev->mode_info.afmt[i] = NULL; 1814 1815 /* DCE10 has audio blocks tied to DIG encoders */ 1816 for (i = 0; i < adev->mode_info.num_dig; i++) { 1817 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL); 1818 if (adev->mode_info.afmt[i]) { 1819 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1820 adev->mode_info.afmt[i]->id = i; 1821 } else { 1822 int j; 1823 for (j = 0; j < i; j++) { 1824 kfree(adev->mode_info.afmt[j]); 1825 adev->mode_info.afmt[j] = NULL; 1826 } 1827 return -ENOMEM; 1828 } 1829 } 1830 return 0; 1831 } 1832 1833 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev) 1834 { 1835 int i; 1836 1837 for (i = 0; i < adev->mode_info.num_dig; i++) { 1838 kfree(adev->mode_info.afmt[i]); 1839 adev->mode_info.afmt[i] = NULL; 1840 } 1841 } 1842 1843 static const u32 vga_control_regs[6] = 1844 { 1845 mmD1VGA_CONTROL, 1846 mmD2VGA_CONTROL, 1847 mmD3VGA_CONTROL, 1848 mmD4VGA_CONTROL, 1849 mmD5VGA_CONTROL, 1850 mmD6VGA_CONTROL, 1851 }; 1852 1853 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable) 1854 { 1855 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1856 struct drm_device *dev = crtc->dev; 1857 struct amdgpu_device *adev = dev->dev_private; 1858 u32 vga_control; 1859 1860 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1861 if (enable) 1862 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1863 else 1864 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1865 } 1866 1867 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable) 1868 { 1869 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1870 struct drm_device *dev = crtc->dev; 1871 struct amdgpu_device *adev = dev->dev_private; 1872 1873 if (enable) 1874 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1875 else 1876 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1877 } 1878 1879 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc, 1880 struct drm_framebuffer *fb, 1881 int x, int y, int atomic) 1882 { 1883 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1884 struct drm_device *dev = crtc->dev; 1885 struct amdgpu_device *adev = dev->dev_private; 1886 struct amdgpu_framebuffer *amdgpu_fb; 1887 struct drm_framebuffer *target_fb; 1888 struct drm_gem_object *obj; 1889 struct amdgpu_bo *abo; 1890 uint64_t fb_location, tiling_flags; 1891 uint32_t fb_format, fb_pitch_pixels; 1892 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE); 1893 u32 pipe_config; 1894 u32 tmp, viewport_w, viewport_h; 1895 int r; 1896 bool bypass_lut = false; 1897 struct drm_format_name_buf format_name; 1898 1899 /* no fb bound */ 1900 if (!atomic && !crtc->primary->fb) { 1901 DRM_DEBUG_KMS("No FB bound\n"); 1902 return 0; 1903 } 1904 1905 if (atomic) { 1906 amdgpu_fb = to_amdgpu_framebuffer(fb); 1907 target_fb = fb; 1908 } else { 1909 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); 1910 target_fb = crtc->primary->fb; 1911 } 1912 1913 /* If atomic, assume fb object is pinned & idle & fenced and 1914 * just update base pointers 1915 */ 1916 obj = amdgpu_fb->obj; 1917 abo = gem_to_amdgpu_bo(obj); 1918 r = amdgpu_bo_reserve(abo, false); 1919 if (unlikely(r != 0)) 1920 return r; 1921 1922 if (atomic) { 1923 fb_location = amdgpu_bo_gpu_offset(abo); 1924 } else { 1925 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location); 1926 if (unlikely(r != 0)) { 1927 amdgpu_bo_unreserve(abo); 1928 return -EINVAL; 1929 } 1930 } 1931 1932 amdgpu_bo_get_tiling_flags(abo, &tiling_flags); 1933 amdgpu_bo_unreserve(abo); 1934 1935 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 1936 1937 switch (target_fb->format->format) { 1938 case DRM_FORMAT_C8: 1939 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0); 1940 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1941 break; 1942 case DRM_FORMAT_XRGB4444: 1943 case DRM_FORMAT_ARGB4444: 1944 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1945 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2); 1946 #ifdef __BIG_ENDIAN 1947 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1948 ENDIAN_8IN16); 1949 #endif 1950 break; 1951 case DRM_FORMAT_XRGB1555: 1952 case DRM_FORMAT_ARGB1555: 1953 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1954 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1955 #ifdef __BIG_ENDIAN 1956 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1957 ENDIAN_8IN16); 1958 #endif 1959 break; 1960 case DRM_FORMAT_BGRX5551: 1961 case DRM_FORMAT_BGRA5551: 1962 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1963 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5); 1964 #ifdef __BIG_ENDIAN 1965 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1966 ENDIAN_8IN16); 1967 #endif 1968 break; 1969 case DRM_FORMAT_RGB565: 1970 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1971 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1972 #ifdef __BIG_ENDIAN 1973 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1974 ENDIAN_8IN16); 1975 #endif 1976 break; 1977 case DRM_FORMAT_XRGB8888: 1978 case DRM_FORMAT_ARGB8888: 1979 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1980 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1981 #ifdef __BIG_ENDIAN 1982 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1983 ENDIAN_8IN32); 1984 #endif 1985 break; 1986 case DRM_FORMAT_XRGB2101010: 1987 case DRM_FORMAT_ARGB2101010: 1988 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1989 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1990 #ifdef __BIG_ENDIAN 1991 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1992 ENDIAN_8IN32); 1993 #endif 1994 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1995 bypass_lut = true; 1996 break; 1997 case DRM_FORMAT_BGRX1010102: 1998 case DRM_FORMAT_BGRA1010102: 1999 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2000 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4); 2001 #ifdef __BIG_ENDIAN 2002 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2003 ENDIAN_8IN32); 2004 #endif 2005 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2006 bypass_lut = true; 2007 break; 2008 default: 2009 DRM_ERROR("Unsupported screen format %s\n", 2010 drm_get_format_name(target_fb->format->format, &format_name)); 2011 return -EINVAL; 2012 } 2013 2014 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 2015 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 2016 2017 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 2018 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 2019 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 2020 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 2021 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 2022 2023 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks); 2024 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2025 ARRAY_2D_TILED_THIN1); 2026 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT, 2027 tile_split); 2028 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw); 2029 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh); 2030 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT, 2031 mtaspect); 2032 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE, 2033 ADDR_SURF_MICRO_TILING_DISPLAY); 2034 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 2035 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2036 ARRAY_1D_TILED_THIN1); 2037 } 2038 2039 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG, 2040 pipe_config); 2041 2042 dce_v10_0_vga_enable(crtc, false); 2043 2044 /* Make sure surface address is updated at vertical blank rather than 2045 * horizontal blank 2046 */ 2047 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2048 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 2049 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0); 2050 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2051 2052 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2053 upper_32_bits(fb_location)); 2054 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2055 upper_32_bits(fb_location)); 2056 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2057 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2058 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2059 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2060 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2061 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2062 2063 /* 2064 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2065 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2066 * retain the full precision throughout the pipeline. 2067 */ 2068 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset); 2069 if (bypass_lut) 2070 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1); 2071 else 2072 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0); 2073 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp); 2074 2075 if (bypass_lut) 2076 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2077 2078 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2079 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2080 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2081 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2082 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2083 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2084 2085 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 2086 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2087 2088 dce_v10_0_grph_enable(crtc, true); 2089 2090 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2091 target_fb->height); 2092 2093 x &= ~3; 2094 y &= ~1; 2095 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2096 (x << 16) | y); 2097 viewport_w = crtc->mode.hdisplay; 2098 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2099 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2100 (viewport_w << 16) | viewport_h); 2101 2102 /* set pageflip to happen anywhere in vblank interval */ 2103 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); 2104 2105 if (!atomic && fb && fb != crtc->primary->fb) { 2106 amdgpu_fb = to_amdgpu_framebuffer(fb); 2107 abo = gem_to_amdgpu_bo(amdgpu_fb->obj); 2108 r = amdgpu_bo_reserve(abo, true); 2109 if (unlikely(r != 0)) 2110 return r; 2111 amdgpu_bo_unpin(abo); 2112 amdgpu_bo_unreserve(abo); 2113 } 2114 2115 /* Bytes per pixel may have changed */ 2116 dce_v10_0_bandwidth_update(adev); 2117 2118 return 0; 2119 } 2120 2121 static void dce_v10_0_set_interleave(struct drm_crtc *crtc, 2122 struct drm_display_mode *mode) 2123 { 2124 struct drm_device *dev = crtc->dev; 2125 struct amdgpu_device *adev = dev->dev_private; 2126 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2127 u32 tmp; 2128 2129 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset); 2130 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2131 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1); 2132 else 2133 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0); 2134 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp); 2135 } 2136 2137 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc) 2138 { 2139 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2140 struct drm_device *dev = crtc->dev; 2141 struct amdgpu_device *adev = dev->dev_private; 2142 u16 *r, *g, *b; 2143 int i; 2144 u32 tmp; 2145 2146 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2147 2148 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2149 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0); 2150 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0); 2151 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2152 2153 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset); 2154 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1); 2155 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2156 2157 tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset); 2158 tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1); 2159 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2160 2161 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2162 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0); 2163 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0); 2164 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2165 2166 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2167 2168 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2169 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2170 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2171 2172 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2173 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2174 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2175 2176 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2177 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2178 2179 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2180 r = crtc->gamma_store; 2181 g = r + crtc->gamma_size; 2182 b = g + crtc->gamma_size; 2183 for (i = 0; i < 256; i++) { 2184 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2185 ((*r++ & 0xffc0) << 14) | 2186 ((*g++ & 0xffc0) << 4) | 2187 (*b++ >> 6)); 2188 } 2189 2190 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2191 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0); 2192 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0); 2193 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0); 2194 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2195 2196 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset); 2197 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0); 2198 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0); 2199 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2200 2201 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2202 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0); 2203 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0); 2204 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2205 2206 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2207 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0); 2208 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0); 2209 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2210 2211 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2212 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0); 2213 /* XXX this only needs to be programmed once per crtc at startup, 2214 * not sure where the best place for it is 2215 */ 2216 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset); 2217 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1); 2218 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2219 } 2220 2221 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder) 2222 { 2223 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2224 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2225 2226 switch (amdgpu_encoder->encoder_id) { 2227 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2228 if (dig->linkb) 2229 return 1; 2230 else 2231 return 0; 2232 break; 2233 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2234 if (dig->linkb) 2235 return 3; 2236 else 2237 return 2; 2238 break; 2239 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2240 if (dig->linkb) 2241 return 5; 2242 else 2243 return 4; 2244 break; 2245 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2246 return 6; 2247 break; 2248 default: 2249 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2250 return 0; 2251 } 2252 } 2253 2254 /** 2255 * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc. 2256 * 2257 * @crtc: drm crtc 2258 * 2259 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2260 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2261 * monitors a dedicated PPLL must be used. If a particular board has 2262 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2263 * as there is no need to program the PLL itself. If we are not able to 2264 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2265 * avoid messing up an existing monitor. 2266 * 2267 * Asic specific PLL information 2268 * 2269 * DCE 10.x 2270 * Tonga 2271 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2272 * CI 2273 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2274 * 2275 */ 2276 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc) 2277 { 2278 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2279 struct drm_device *dev = crtc->dev; 2280 struct amdgpu_device *adev = dev->dev_private; 2281 u32 pll_in_use; 2282 int pll; 2283 2284 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2285 if (adev->clock.dp_extclk) 2286 /* skip PPLL programming if using ext clock */ 2287 return ATOM_PPLL_INVALID; 2288 else { 2289 /* use the same PPLL for all DP monitors */ 2290 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2291 if (pll != ATOM_PPLL_INVALID) 2292 return pll; 2293 } 2294 } else { 2295 /* use the same PPLL for all monitors with the same clock */ 2296 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2297 if (pll != ATOM_PPLL_INVALID) 2298 return pll; 2299 } 2300 2301 /* DCE10 has PPLL0, PPLL1, and PPLL2 */ 2302 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2303 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2304 return ATOM_PPLL2; 2305 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2306 return ATOM_PPLL1; 2307 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2308 return ATOM_PPLL0; 2309 DRM_ERROR("unable to allocate a PPLL\n"); 2310 return ATOM_PPLL_INVALID; 2311 } 2312 2313 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2314 { 2315 struct amdgpu_device *adev = crtc->dev->dev_private; 2316 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2317 uint32_t cur_lock; 2318 2319 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2320 if (lock) 2321 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1); 2322 else 2323 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0); 2324 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2325 } 2326 2327 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc) 2328 { 2329 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2330 struct amdgpu_device *adev = crtc->dev->dev_private; 2331 u32 tmp; 2332 2333 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2334 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0); 2335 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2336 } 2337 2338 static void dce_v10_0_show_cursor(struct drm_crtc *crtc) 2339 { 2340 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2341 struct amdgpu_device *adev = crtc->dev->dev_private; 2342 u32 tmp; 2343 2344 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2345 upper_32_bits(amdgpu_crtc->cursor_addr)); 2346 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2347 lower_32_bits(amdgpu_crtc->cursor_addr)); 2348 2349 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2350 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1); 2351 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2); 2352 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2353 } 2354 2355 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc, 2356 int x, int y) 2357 { 2358 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2359 struct amdgpu_device *adev = crtc->dev->dev_private; 2360 int xorigin = 0, yorigin = 0; 2361 2362 amdgpu_crtc->cursor_x = x; 2363 amdgpu_crtc->cursor_y = y; 2364 2365 /* avivo cursor are offset into the total surface */ 2366 x += crtc->x; 2367 y += crtc->y; 2368 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2369 2370 if (x < 0) { 2371 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2372 x = 0; 2373 } 2374 if (y < 0) { 2375 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2376 y = 0; 2377 } 2378 2379 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2380 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2381 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2382 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2383 2384 return 0; 2385 } 2386 2387 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc, 2388 int x, int y) 2389 { 2390 int ret; 2391 2392 dce_v10_0_lock_cursor(crtc, true); 2393 ret = dce_v10_0_cursor_move_locked(crtc, x, y); 2394 dce_v10_0_lock_cursor(crtc, false); 2395 2396 return ret; 2397 } 2398 2399 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc, 2400 struct drm_file *file_priv, 2401 uint32_t handle, 2402 uint32_t width, 2403 uint32_t height, 2404 int32_t hot_x, 2405 int32_t hot_y) 2406 { 2407 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2408 struct drm_gem_object *obj; 2409 struct amdgpu_bo *aobj; 2410 int ret; 2411 2412 if (!handle) { 2413 /* turn off cursor */ 2414 dce_v10_0_hide_cursor(crtc); 2415 obj = NULL; 2416 goto unpin; 2417 } 2418 2419 if ((width > amdgpu_crtc->max_cursor_width) || 2420 (height > amdgpu_crtc->max_cursor_height)) { 2421 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2422 return -EINVAL; 2423 } 2424 2425 obj = drm_gem_object_lookup(file_priv, handle); 2426 if (!obj) { 2427 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2428 return -ENOENT; 2429 } 2430 2431 aobj = gem_to_amdgpu_bo(obj); 2432 ret = amdgpu_bo_reserve(aobj, false); 2433 if (ret != 0) { 2434 drm_gem_object_put_unlocked(obj); 2435 return ret; 2436 } 2437 2438 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr); 2439 amdgpu_bo_unreserve(aobj); 2440 if (ret) { 2441 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2442 drm_gem_object_put_unlocked(obj); 2443 return ret; 2444 } 2445 2446 dce_v10_0_lock_cursor(crtc, true); 2447 2448 if (width != amdgpu_crtc->cursor_width || 2449 height != amdgpu_crtc->cursor_height || 2450 hot_x != amdgpu_crtc->cursor_hot_x || 2451 hot_y != amdgpu_crtc->cursor_hot_y) { 2452 int x, y; 2453 2454 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2455 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2456 2457 dce_v10_0_cursor_move_locked(crtc, x, y); 2458 2459 amdgpu_crtc->cursor_width = width; 2460 amdgpu_crtc->cursor_height = height; 2461 amdgpu_crtc->cursor_hot_x = hot_x; 2462 amdgpu_crtc->cursor_hot_y = hot_y; 2463 } 2464 2465 dce_v10_0_show_cursor(crtc); 2466 dce_v10_0_lock_cursor(crtc, false); 2467 2468 unpin: 2469 if (amdgpu_crtc->cursor_bo) { 2470 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2471 ret = amdgpu_bo_reserve(aobj, true); 2472 if (likely(ret == 0)) { 2473 amdgpu_bo_unpin(aobj); 2474 amdgpu_bo_unreserve(aobj); 2475 } 2476 drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo); 2477 } 2478 2479 amdgpu_crtc->cursor_bo = obj; 2480 return 0; 2481 } 2482 2483 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc) 2484 { 2485 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2486 2487 if (amdgpu_crtc->cursor_bo) { 2488 dce_v10_0_lock_cursor(crtc, true); 2489 2490 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2491 amdgpu_crtc->cursor_y); 2492 2493 dce_v10_0_show_cursor(crtc); 2494 2495 dce_v10_0_lock_cursor(crtc, false); 2496 } 2497 } 2498 2499 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2500 u16 *blue, uint32_t size, 2501 struct drm_modeset_acquire_ctx *ctx) 2502 { 2503 dce_v10_0_crtc_load_lut(crtc); 2504 2505 return 0; 2506 } 2507 2508 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc) 2509 { 2510 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2511 2512 drm_crtc_cleanup(crtc); 2513 kfree(amdgpu_crtc); 2514 } 2515 2516 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = { 2517 .cursor_set2 = dce_v10_0_crtc_cursor_set2, 2518 .cursor_move = dce_v10_0_crtc_cursor_move, 2519 .gamma_set = dce_v10_0_crtc_gamma_set, 2520 .set_config = amdgpu_crtc_set_config, 2521 .destroy = dce_v10_0_crtc_destroy, 2522 .page_flip_target = amdgpu_crtc_page_flip_target, 2523 }; 2524 2525 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2526 { 2527 struct drm_device *dev = crtc->dev; 2528 struct amdgpu_device *adev = dev->dev_private; 2529 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2530 unsigned type; 2531 2532 switch (mode) { 2533 case DRM_MODE_DPMS_ON: 2534 amdgpu_crtc->enabled = true; 2535 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2536 dce_v10_0_vga_enable(crtc, true); 2537 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2538 dce_v10_0_vga_enable(crtc, false); 2539 /* Make sure VBLANK and PFLIP interrupts are still enabled */ 2540 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); 2541 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2542 amdgpu_irq_update(adev, &adev->pageflip_irq, type); 2543 drm_crtc_vblank_on(crtc); 2544 dce_v10_0_crtc_load_lut(crtc); 2545 break; 2546 case DRM_MODE_DPMS_STANDBY: 2547 case DRM_MODE_DPMS_SUSPEND: 2548 case DRM_MODE_DPMS_OFF: 2549 drm_crtc_vblank_off(crtc); 2550 if (amdgpu_crtc->enabled) { 2551 dce_v10_0_vga_enable(crtc, true); 2552 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2553 dce_v10_0_vga_enable(crtc, false); 2554 } 2555 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2556 amdgpu_crtc->enabled = false; 2557 break; 2558 } 2559 /* adjust pm to dpms */ 2560 amdgpu_pm_compute_clocks(adev); 2561 } 2562 2563 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc) 2564 { 2565 /* disable crtc pair power gating before programming */ 2566 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2567 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2568 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2569 } 2570 2571 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc) 2572 { 2573 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2574 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2575 } 2576 2577 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc) 2578 { 2579 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2580 struct drm_device *dev = crtc->dev; 2581 struct amdgpu_device *adev = dev->dev_private; 2582 struct amdgpu_atom_ss ss; 2583 int i; 2584 2585 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2586 if (crtc->primary->fb) { 2587 int r; 2588 struct amdgpu_framebuffer *amdgpu_fb; 2589 struct amdgpu_bo *abo; 2590 2591 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); 2592 abo = gem_to_amdgpu_bo(amdgpu_fb->obj); 2593 r = amdgpu_bo_reserve(abo, true); 2594 if (unlikely(r)) 2595 DRM_ERROR("failed to reserve abo before unpin\n"); 2596 else { 2597 amdgpu_bo_unpin(abo); 2598 amdgpu_bo_unreserve(abo); 2599 } 2600 } 2601 /* disable the GRPH */ 2602 dce_v10_0_grph_enable(crtc, false); 2603 2604 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2605 2606 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2607 if (adev->mode_info.crtcs[i] && 2608 adev->mode_info.crtcs[i]->enabled && 2609 i != amdgpu_crtc->crtc_id && 2610 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2611 /* one other crtc is using this pll don't turn 2612 * off the pll 2613 */ 2614 goto done; 2615 } 2616 } 2617 2618 switch (amdgpu_crtc->pll_id) { 2619 case ATOM_PPLL0: 2620 case ATOM_PPLL1: 2621 case ATOM_PPLL2: 2622 /* disable the ppll */ 2623 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2624 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2625 break; 2626 default: 2627 break; 2628 } 2629 done: 2630 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2631 amdgpu_crtc->adjusted_clock = 0; 2632 amdgpu_crtc->encoder = NULL; 2633 amdgpu_crtc->connector = NULL; 2634 } 2635 2636 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc, 2637 struct drm_display_mode *mode, 2638 struct drm_display_mode *adjusted_mode, 2639 int x, int y, struct drm_framebuffer *old_fb) 2640 { 2641 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2642 2643 if (!amdgpu_crtc->adjusted_clock) 2644 return -EINVAL; 2645 2646 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2647 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2648 dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2649 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2650 amdgpu_atombios_crtc_scaler_setup(crtc); 2651 dce_v10_0_cursor_reset(crtc); 2652 /* update the hw version fpr dpm */ 2653 amdgpu_crtc->hw_mode = *adjusted_mode; 2654 2655 return 0; 2656 } 2657 2658 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc, 2659 const struct drm_display_mode *mode, 2660 struct drm_display_mode *adjusted_mode) 2661 { 2662 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2663 struct drm_device *dev = crtc->dev; 2664 struct drm_encoder *encoder; 2665 2666 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2667 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2668 if (encoder->crtc == crtc) { 2669 amdgpu_crtc->encoder = encoder; 2670 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2671 break; 2672 } 2673 } 2674 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2675 amdgpu_crtc->encoder = NULL; 2676 amdgpu_crtc->connector = NULL; 2677 return false; 2678 } 2679 if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2680 return false; 2681 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2682 return false; 2683 /* pick pll */ 2684 amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc); 2685 /* if we can't get a PPLL for a non-DP encoder, fail */ 2686 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2687 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2688 return false; 2689 2690 return true; 2691 } 2692 2693 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2694 struct drm_framebuffer *old_fb) 2695 { 2696 return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2697 } 2698 2699 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc, 2700 struct drm_framebuffer *fb, 2701 int x, int y, enum mode_set_atomic state) 2702 { 2703 return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1); 2704 } 2705 2706 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = { 2707 .dpms = dce_v10_0_crtc_dpms, 2708 .mode_fixup = dce_v10_0_crtc_mode_fixup, 2709 .mode_set = dce_v10_0_crtc_mode_set, 2710 .mode_set_base = dce_v10_0_crtc_set_base, 2711 .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic, 2712 .prepare = dce_v10_0_crtc_prepare, 2713 .commit = dce_v10_0_crtc_commit, 2714 .disable = dce_v10_0_crtc_disable, 2715 }; 2716 2717 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index) 2718 { 2719 struct amdgpu_crtc *amdgpu_crtc; 2720 2721 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2722 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2723 if (amdgpu_crtc == NULL) 2724 return -ENOMEM; 2725 2726 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v10_0_crtc_funcs); 2727 2728 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2729 amdgpu_crtc->crtc_id = index; 2730 adev->mode_info.crtcs[index] = amdgpu_crtc; 2731 2732 amdgpu_crtc->max_cursor_width = 128; 2733 amdgpu_crtc->max_cursor_height = 128; 2734 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2735 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2736 2737 switch (amdgpu_crtc->crtc_id) { 2738 case 0: 2739 default: 2740 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET; 2741 break; 2742 case 1: 2743 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET; 2744 break; 2745 case 2: 2746 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET; 2747 break; 2748 case 3: 2749 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET; 2750 break; 2751 case 4: 2752 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET; 2753 break; 2754 case 5: 2755 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET; 2756 break; 2757 } 2758 2759 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2760 amdgpu_crtc->adjusted_clock = 0; 2761 amdgpu_crtc->encoder = NULL; 2762 amdgpu_crtc->connector = NULL; 2763 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs); 2764 2765 return 0; 2766 } 2767 2768 static int dce_v10_0_early_init(void *handle) 2769 { 2770 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2771 2772 adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg; 2773 adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg; 2774 2775 dce_v10_0_set_display_funcs(adev); 2776 2777 adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev); 2778 2779 switch (adev->asic_type) { 2780 case CHIP_FIJI: 2781 case CHIP_TONGA: 2782 adev->mode_info.num_hpd = 6; 2783 adev->mode_info.num_dig = 7; 2784 break; 2785 default: 2786 /* FIXME: not supported yet */ 2787 return -EINVAL; 2788 } 2789 2790 dce_v10_0_set_irq_funcs(adev); 2791 2792 return 0; 2793 } 2794 2795 static int dce_v10_0_sw_init(void *handle) 2796 { 2797 int r, i; 2798 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2799 2800 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2801 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i + 1, &adev->crtc_irq); 2802 if (r) 2803 return r; 2804 } 2805 2806 for (i = 8; i < 20; i += 2) { 2807 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i, &adev->pageflip_irq); 2808 if (r) 2809 return r; 2810 } 2811 2812 /* HPD hotplug */ 2813 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 42, &adev->hpd_irq); 2814 if (r) 2815 return r; 2816 2817 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs; 2818 2819 adev->ddev->mode_config.async_page_flip = true; 2820 2821 adev->ddev->mode_config.max_width = 16384; 2822 adev->ddev->mode_config.max_height = 16384; 2823 2824 adev->ddev->mode_config.preferred_depth = 24; 2825 adev->ddev->mode_config.prefer_shadow = 1; 2826 2827 adev->ddev->mode_config.fb_base = adev->mc.aper_base; 2828 2829 r = amdgpu_modeset_create_props(adev); 2830 if (r) 2831 return r; 2832 2833 adev->ddev->mode_config.max_width = 16384; 2834 adev->ddev->mode_config.max_height = 16384; 2835 2836 /* allocate crtcs */ 2837 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2838 r = dce_v10_0_crtc_init(adev, i); 2839 if (r) 2840 return r; 2841 } 2842 2843 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 2844 amdgpu_print_display_setup(adev->ddev); 2845 else 2846 return -EINVAL; 2847 2848 /* setup afmt */ 2849 r = dce_v10_0_afmt_init(adev); 2850 if (r) 2851 return r; 2852 2853 r = dce_v10_0_audio_init(adev); 2854 if (r) 2855 return r; 2856 2857 drm_kms_helper_poll_init(adev->ddev); 2858 2859 adev->mode_info.mode_config_initialized = true; 2860 return 0; 2861 } 2862 2863 static int dce_v10_0_sw_fini(void *handle) 2864 { 2865 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2866 2867 kfree(adev->mode_info.bios_hardcoded_edid); 2868 2869 drm_kms_helper_poll_fini(adev->ddev); 2870 2871 dce_v10_0_audio_fini(adev); 2872 2873 dce_v10_0_afmt_fini(adev); 2874 2875 drm_mode_config_cleanup(adev->ddev); 2876 adev->mode_info.mode_config_initialized = false; 2877 2878 return 0; 2879 } 2880 2881 static int dce_v10_0_hw_init(void *handle) 2882 { 2883 int i; 2884 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2885 2886 dce_v10_0_init_golden_registers(adev); 2887 2888 /* disable vga render */ 2889 dce_v10_0_set_vga_render_state(adev, false); 2890 /* init dig PHYs, disp eng pll */ 2891 amdgpu_atombios_encoder_init_dig(adev); 2892 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 2893 2894 /* initialize hpd */ 2895 dce_v10_0_hpd_init(adev); 2896 2897 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2898 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2899 } 2900 2901 dce_v10_0_pageflip_interrupt_init(adev); 2902 2903 return 0; 2904 } 2905 2906 static int dce_v10_0_hw_fini(void *handle) 2907 { 2908 int i; 2909 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2910 2911 dce_v10_0_hpd_fini(adev); 2912 2913 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2914 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2915 } 2916 2917 dce_v10_0_pageflip_interrupt_fini(adev); 2918 2919 return 0; 2920 } 2921 2922 static int dce_v10_0_suspend(void *handle) 2923 { 2924 return dce_v10_0_hw_fini(handle); 2925 } 2926 2927 static int dce_v10_0_resume(void *handle) 2928 { 2929 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2930 int ret; 2931 2932 ret = dce_v10_0_hw_init(handle); 2933 2934 /* turn on the BL */ 2935 if (adev->mode_info.bl_encoder) { 2936 u8 bl_level = amdgpu_display_backlight_get_level(adev, 2937 adev->mode_info.bl_encoder); 2938 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 2939 bl_level); 2940 } 2941 2942 return ret; 2943 } 2944 2945 static bool dce_v10_0_is_idle(void *handle) 2946 { 2947 return true; 2948 } 2949 2950 static int dce_v10_0_wait_for_idle(void *handle) 2951 { 2952 return 0; 2953 } 2954 2955 static bool dce_v10_0_check_soft_reset(void *handle) 2956 { 2957 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2958 2959 return dce_v10_0_is_display_hung(adev); 2960 } 2961 2962 static int dce_v10_0_soft_reset(void *handle) 2963 { 2964 u32 srbm_soft_reset = 0, tmp; 2965 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2966 2967 if (dce_v10_0_is_display_hung(adev)) 2968 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 2969 2970 if (srbm_soft_reset) { 2971 tmp = RREG32(mmSRBM_SOFT_RESET); 2972 tmp |= srbm_soft_reset; 2973 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 2974 WREG32(mmSRBM_SOFT_RESET, tmp); 2975 tmp = RREG32(mmSRBM_SOFT_RESET); 2976 2977 udelay(50); 2978 2979 tmp &= ~srbm_soft_reset; 2980 WREG32(mmSRBM_SOFT_RESET, tmp); 2981 tmp = RREG32(mmSRBM_SOFT_RESET); 2982 2983 /* Wait a little for things to settle down */ 2984 udelay(50); 2985 } 2986 return 0; 2987 } 2988 2989 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 2990 int crtc, 2991 enum amdgpu_interrupt_state state) 2992 { 2993 u32 lb_interrupt_mask; 2994 2995 if (crtc >= adev->mode_info.num_crtc) { 2996 DRM_DEBUG("invalid crtc %d\n", crtc); 2997 return; 2998 } 2999 3000 switch (state) { 3001 case AMDGPU_IRQ_STATE_DISABLE: 3002 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3003 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3004 VBLANK_INTERRUPT_MASK, 0); 3005 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3006 break; 3007 case AMDGPU_IRQ_STATE_ENABLE: 3008 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3009 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3010 VBLANK_INTERRUPT_MASK, 1); 3011 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3012 break; 3013 default: 3014 break; 3015 } 3016 } 3017 3018 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3019 int crtc, 3020 enum amdgpu_interrupt_state state) 3021 { 3022 u32 lb_interrupt_mask; 3023 3024 if (crtc >= adev->mode_info.num_crtc) { 3025 DRM_DEBUG("invalid crtc %d\n", crtc); 3026 return; 3027 } 3028 3029 switch (state) { 3030 case AMDGPU_IRQ_STATE_DISABLE: 3031 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3032 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3033 VLINE_INTERRUPT_MASK, 0); 3034 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3035 break; 3036 case AMDGPU_IRQ_STATE_ENABLE: 3037 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3038 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3039 VLINE_INTERRUPT_MASK, 1); 3040 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3041 break; 3042 default: 3043 break; 3044 } 3045 } 3046 3047 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev, 3048 struct amdgpu_irq_src *source, 3049 unsigned hpd, 3050 enum amdgpu_interrupt_state state) 3051 { 3052 u32 tmp; 3053 3054 if (hpd >= adev->mode_info.num_hpd) { 3055 DRM_DEBUG("invalid hdp %d\n", hpd); 3056 return 0; 3057 } 3058 3059 switch (state) { 3060 case AMDGPU_IRQ_STATE_DISABLE: 3061 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3062 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 3063 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3064 break; 3065 case AMDGPU_IRQ_STATE_ENABLE: 3066 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3067 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1); 3068 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3069 break; 3070 default: 3071 break; 3072 } 3073 3074 return 0; 3075 } 3076 3077 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev, 3078 struct amdgpu_irq_src *source, 3079 unsigned type, 3080 enum amdgpu_interrupt_state state) 3081 { 3082 switch (type) { 3083 case AMDGPU_CRTC_IRQ_VBLANK1: 3084 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3085 break; 3086 case AMDGPU_CRTC_IRQ_VBLANK2: 3087 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3088 break; 3089 case AMDGPU_CRTC_IRQ_VBLANK3: 3090 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3091 break; 3092 case AMDGPU_CRTC_IRQ_VBLANK4: 3093 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3094 break; 3095 case AMDGPU_CRTC_IRQ_VBLANK5: 3096 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3097 break; 3098 case AMDGPU_CRTC_IRQ_VBLANK6: 3099 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3100 break; 3101 case AMDGPU_CRTC_IRQ_VLINE1: 3102 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state); 3103 break; 3104 case AMDGPU_CRTC_IRQ_VLINE2: 3105 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state); 3106 break; 3107 case AMDGPU_CRTC_IRQ_VLINE3: 3108 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state); 3109 break; 3110 case AMDGPU_CRTC_IRQ_VLINE4: 3111 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state); 3112 break; 3113 case AMDGPU_CRTC_IRQ_VLINE5: 3114 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state); 3115 break; 3116 case AMDGPU_CRTC_IRQ_VLINE6: 3117 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state); 3118 break; 3119 default: 3120 break; 3121 } 3122 return 0; 3123 } 3124 3125 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev, 3126 struct amdgpu_irq_src *src, 3127 unsigned type, 3128 enum amdgpu_interrupt_state state) 3129 { 3130 u32 reg; 3131 3132 if (type >= adev->mode_info.num_crtc) { 3133 DRM_ERROR("invalid pageflip crtc %d\n", type); 3134 return -EINVAL; 3135 } 3136 3137 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3138 if (state == AMDGPU_IRQ_STATE_DISABLE) 3139 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3140 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3141 else 3142 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3143 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3144 3145 return 0; 3146 } 3147 3148 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev, 3149 struct amdgpu_irq_src *source, 3150 struct amdgpu_iv_entry *entry) 3151 { 3152 unsigned long flags; 3153 unsigned crtc_id; 3154 struct amdgpu_crtc *amdgpu_crtc; 3155 struct amdgpu_flip_work *works; 3156 3157 crtc_id = (entry->src_id - 8) >> 1; 3158 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3159 3160 if (crtc_id >= adev->mode_info.num_crtc) { 3161 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3162 return -EINVAL; 3163 } 3164 3165 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3166 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3167 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3168 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3169 3170 /* IRQ could occur when in initial stage */ 3171 if (amdgpu_crtc == NULL) 3172 return 0; 3173 3174 spin_lock_irqsave(&adev->ddev->event_lock, flags); 3175 works = amdgpu_crtc->pflip_works; 3176 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) { 3177 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3178 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3179 amdgpu_crtc->pflip_status, 3180 AMDGPU_FLIP_SUBMITTED); 3181 spin_unlock_irqrestore(&adev->ddev->event_lock, flags); 3182 return 0; 3183 } 3184 3185 /* page flip completed. clean up */ 3186 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3187 amdgpu_crtc->pflip_works = NULL; 3188 3189 /* wakeup usersapce */ 3190 if (works->event) 3191 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); 3192 3193 spin_unlock_irqrestore(&adev->ddev->event_lock, flags); 3194 3195 drm_crtc_vblank_put(&amdgpu_crtc->base); 3196 schedule_work(&works->unpin_work); 3197 3198 return 0; 3199 } 3200 3201 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, 3202 int hpd) 3203 { 3204 u32 tmp; 3205 3206 if (hpd >= adev->mode_info.num_hpd) { 3207 DRM_DEBUG("invalid hdp %d\n", hpd); 3208 return; 3209 } 3210 3211 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3212 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1); 3213 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3214 } 3215 3216 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev, 3217 int crtc) 3218 { 3219 u32 tmp; 3220 3221 if (crtc >= adev->mode_info.num_crtc) { 3222 DRM_DEBUG("invalid crtc %d\n", crtc); 3223 return; 3224 } 3225 3226 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]); 3227 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1); 3228 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp); 3229 } 3230 3231 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev, 3232 int crtc) 3233 { 3234 u32 tmp; 3235 3236 if (crtc >= adev->mode_info.num_crtc) { 3237 DRM_DEBUG("invalid crtc %d\n", crtc); 3238 return; 3239 } 3240 3241 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]); 3242 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1); 3243 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp); 3244 } 3245 3246 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev, 3247 struct amdgpu_irq_src *source, 3248 struct amdgpu_iv_entry *entry) 3249 { 3250 unsigned crtc = entry->src_id - 1; 3251 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3252 unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc); 3253 3254 switch (entry->src_data[0]) { 3255 case 0: /* vblank */ 3256 if (disp_int & interrupt_status_offsets[crtc].vblank) 3257 dce_v10_0_crtc_vblank_int_ack(adev, crtc); 3258 else 3259 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3260 3261 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3262 drm_handle_vblank(adev->ddev, crtc); 3263 } 3264 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3265 3266 break; 3267 case 1: /* vline */ 3268 if (disp_int & interrupt_status_offsets[crtc].vline) 3269 dce_v10_0_crtc_vline_int_ack(adev, crtc); 3270 else 3271 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3272 3273 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3274 3275 break; 3276 default: 3277 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3278 break; 3279 } 3280 3281 return 0; 3282 } 3283 3284 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev, 3285 struct amdgpu_irq_src *source, 3286 struct amdgpu_iv_entry *entry) 3287 { 3288 uint32_t disp_int, mask; 3289 unsigned hpd; 3290 3291 if (entry->src_data[0] >= adev->mode_info.num_hpd) { 3292 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3293 return 0; 3294 } 3295 3296 hpd = entry->src_data[0]; 3297 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3298 mask = interrupt_status_offsets[hpd].hpd; 3299 3300 if (disp_int & mask) { 3301 dce_v10_0_hpd_int_ack(adev, hpd); 3302 schedule_work(&adev->hotplug_work); 3303 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3304 } 3305 3306 return 0; 3307 } 3308 3309 static int dce_v10_0_set_clockgating_state(void *handle, 3310 enum amd_clockgating_state state) 3311 { 3312 return 0; 3313 } 3314 3315 static int dce_v10_0_set_powergating_state(void *handle, 3316 enum amd_powergating_state state) 3317 { 3318 return 0; 3319 } 3320 3321 static const struct amd_ip_funcs dce_v10_0_ip_funcs = { 3322 .name = "dce_v10_0", 3323 .early_init = dce_v10_0_early_init, 3324 .late_init = NULL, 3325 .sw_init = dce_v10_0_sw_init, 3326 .sw_fini = dce_v10_0_sw_fini, 3327 .hw_init = dce_v10_0_hw_init, 3328 .hw_fini = dce_v10_0_hw_fini, 3329 .suspend = dce_v10_0_suspend, 3330 .resume = dce_v10_0_resume, 3331 .is_idle = dce_v10_0_is_idle, 3332 .wait_for_idle = dce_v10_0_wait_for_idle, 3333 .check_soft_reset = dce_v10_0_check_soft_reset, 3334 .soft_reset = dce_v10_0_soft_reset, 3335 .set_clockgating_state = dce_v10_0_set_clockgating_state, 3336 .set_powergating_state = dce_v10_0_set_powergating_state, 3337 }; 3338 3339 static void 3340 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder, 3341 struct drm_display_mode *mode, 3342 struct drm_display_mode *adjusted_mode) 3343 { 3344 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3345 3346 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3347 3348 /* need to call this here rather than in prepare() since we need some crtc info */ 3349 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3350 3351 /* set scaler clears this on some chips */ 3352 dce_v10_0_set_interleave(encoder->crtc, mode); 3353 3354 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3355 dce_v10_0_afmt_enable(encoder, true); 3356 dce_v10_0_afmt_setmode(encoder, adjusted_mode); 3357 } 3358 } 3359 3360 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder) 3361 { 3362 struct amdgpu_device *adev = encoder->dev->dev_private; 3363 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3364 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3365 3366 if ((amdgpu_encoder->active_device & 3367 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3368 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3369 ENCODER_OBJECT_ID_NONE)) { 3370 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3371 if (dig) { 3372 dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder); 3373 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3374 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3375 } 3376 } 3377 3378 amdgpu_atombios_scratch_regs_lock(adev, true); 3379 3380 if (connector) { 3381 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3382 3383 /* select the clock/data port if it uses a router */ 3384 if (amdgpu_connector->router.cd_valid) 3385 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3386 3387 /* turn eDP panel on for mode set */ 3388 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3389 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3390 ATOM_TRANSMITTER_ACTION_POWER_ON); 3391 } 3392 3393 /* this is needed for the pll/ss setup to work correctly in some cases */ 3394 amdgpu_atombios_encoder_set_crtc_source(encoder); 3395 /* set up the FMT blocks */ 3396 dce_v10_0_program_fmt(encoder); 3397 } 3398 3399 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder) 3400 { 3401 struct drm_device *dev = encoder->dev; 3402 struct amdgpu_device *adev = dev->dev_private; 3403 3404 /* need to call this here as we need the crtc set up */ 3405 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3406 amdgpu_atombios_scratch_regs_lock(adev, false); 3407 } 3408 3409 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder) 3410 { 3411 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3412 struct amdgpu_encoder_atom_dig *dig; 3413 3414 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3415 3416 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3417 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3418 dce_v10_0_afmt_enable(encoder, false); 3419 dig = amdgpu_encoder->enc_priv; 3420 dig->dig_encoder = -1; 3421 } 3422 amdgpu_encoder->active_device = 0; 3423 } 3424 3425 /* these are handled by the primary encoders */ 3426 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder) 3427 { 3428 3429 } 3430 3431 static void dce_v10_0_ext_commit(struct drm_encoder *encoder) 3432 { 3433 3434 } 3435 3436 static void 3437 dce_v10_0_ext_mode_set(struct drm_encoder *encoder, 3438 struct drm_display_mode *mode, 3439 struct drm_display_mode *adjusted_mode) 3440 { 3441 3442 } 3443 3444 static void dce_v10_0_ext_disable(struct drm_encoder *encoder) 3445 { 3446 3447 } 3448 3449 static void 3450 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode) 3451 { 3452 3453 } 3454 3455 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = { 3456 .dpms = dce_v10_0_ext_dpms, 3457 .prepare = dce_v10_0_ext_prepare, 3458 .mode_set = dce_v10_0_ext_mode_set, 3459 .commit = dce_v10_0_ext_commit, 3460 .disable = dce_v10_0_ext_disable, 3461 /* no detect for TMDS/LVDS yet */ 3462 }; 3463 3464 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = { 3465 .dpms = amdgpu_atombios_encoder_dpms, 3466 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3467 .prepare = dce_v10_0_encoder_prepare, 3468 .mode_set = dce_v10_0_encoder_mode_set, 3469 .commit = dce_v10_0_encoder_commit, 3470 .disable = dce_v10_0_encoder_disable, 3471 .detect = amdgpu_atombios_encoder_dig_detect, 3472 }; 3473 3474 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = { 3475 .dpms = amdgpu_atombios_encoder_dpms, 3476 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3477 .prepare = dce_v10_0_encoder_prepare, 3478 .mode_set = dce_v10_0_encoder_mode_set, 3479 .commit = dce_v10_0_encoder_commit, 3480 .detect = amdgpu_atombios_encoder_dac_detect, 3481 }; 3482 3483 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder) 3484 { 3485 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3486 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3487 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3488 kfree(amdgpu_encoder->enc_priv); 3489 drm_encoder_cleanup(encoder); 3490 kfree(amdgpu_encoder); 3491 } 3492 3493 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = { 3494 .destroy = dce_v10_0_encoder_destroy, 3495 }; 3496 3497 static void dce_v10_0_encoder_add(struct amdgpu_device *adev, 3498 uint32_t encoder_enum, 3499 uint32_t supported_device, 3500 u16 caps) 3501 { 3502 struct drm_device *dev = adev->ddev; 3503 struct drm_encoder *encoder; 3504 struct amdgpu_encoder *amdgpu_encoder; 3505 3506 /* see if we already added it */ 3507 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3508 amdgpu_encoder = to_amdgpu_encoder(encoder); 3509 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3510 amdgpu_encoder->devices |= supported_device; 3511 return; 3512 } 3513 3514 } 3515 3516 /* add a new one */ 3517 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL); 3518 if (!amdgpu_encoder) 3519 return; 3520 3521 encoder = &amdgpu_encoder->base; 3522 switch (adev->mode_info.num_crtc) { 3523 case 1: 3524 encoder->possible_crtcs = 0x1; 3525 break; 3526 case 2: 3527 default: 3528 encoder->possible_crtcs = 0x3; 3529 break; 3530 case 4: 3531 encoder->possible_crtcs = 0xf; 3532 break; 3533 case 6: 3534 encoder->possible_crtcs = 0x3f; 3535 break; 3536 } 3537 3538 amdgpu_encoder->enc_priv = NULL; 3539 3540 amdgpu_encoder->encoder_enum = encoder_enum; 3541 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3542 amdgpu_encoder->devices = supported_device; 3543 amdgpu_encoder->rmx_type = RMX_OFF; 3544 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3545 amdgpu_encoder->is_ext_encoder = false; 3546 amdgpu_encoder->caps = caps; 3547 3548 switch (amdgpu_encoder->encoder_id) { 3549 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3550 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3551 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3552 DRM_MODE_ENCODER_DAC, NULL); 3553 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs); 3554 break; 3555 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3556 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3557 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3558 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3559 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3560 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3561 amdgpu_encoder->rmx_type = RMX_FULL; 3562 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3563 DRM_MODE_ENCODER_LVDS, NULL); 3564 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3565 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3566 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3567 DRM_MODE_ENCODER_DAC, NULL); 3568 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3569 } else { 3570 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3571 DRM_MODE_ENCODER_TMDS, NULL); 3572 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3573 } 3574 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs); 3575 break; 3576 case ENCODER_OBJECT_ID_SI170B: 3577 case ENCODER_OBJECT_ID_CH7303: 3578 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3579 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3580 case ENCODER_OBJECT_ID_TITFP513: 3581 case ENCODER_OBJECT_ID_VT1623: 3582 case ENCODER_OBJECT_ID_HDMI_SI1930: 3583 case ENCODER_OBJECT_ID_TRAVIS: 3584 case ENCODER_OBJECT_ID_NUTMEG: 3585 /* these are handled by the primary encoders */ 3586 amdgpu_encoder->is_ext_encoder = true; 3587 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3588 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3589 DRM_MODE_ENCODER_LVDS, NULL); 3590 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3591 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3592 DRM_MODE_ENCODER_DAC, NULL); 3593 else 3594 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3595 DRM_MODE_ENCODER_TMDS, NULL); 3596 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs); 3597 break; 3598 } 3599 } 3600 3601 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = { 3602 .bandwidth_update = &dce_v10_0_bandwidth_update, 3603 .vblank_get_counter = &dce_v10_0_vblank_get_counter, 3604 .vblank_wait = &dce_v10_0_vblank_wait, 3605 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3606 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3607 .hpd_sense = &dce_v10_0_hpd_sense, 3608 .hpd_set_polarity = &dce_v10_0_hpd_set_polarity, 3609 .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg, 3610 .page_flip = &dce_v10_0_page_flip, 3611 .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos, 3612 .add_encoder = &dce_v10_0_encoder_add, 3613 .add_connector = &amdgpu_connector_add, 3614 }; 3615 3616 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev) 3617 { 3618 if (adev->mode_info.funcs == NULL) 3619 adev->mode_info.funcs = &dce_v10_0_display_funcs; 3620 } 3621 3622 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = { 3623 .set = dce_v10_0_set_crtc_irq_state, 3624 .process = dce_v10_0_crtc_irq, 3625 }; 3626 3627 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = { 3628 .set = dce_v10_0_set_pageflip_irq_state, 3629 .process = dce_v10_0_pageflip_irq, 3630 }; 3631 3632 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = { 3633 .set = dce_v10_0_set_hpd_irq_state, 3634 .process = dce_v10_0_hpd_irq, 3635 }; 3636 3637 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev) 3638 { 3639 if (adev->mode_info.num_crtc > 0) 3640 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc; 3641 else 3642 adev->crtc_irq.num_types = 0; 3643 adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs; 3644 3645 adev->pageflip_irq.num_types = adev->mode_info.num_crtc; 3646 adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs; 3647 3648 adev->hpd_irq.num_types = adev->mode_info.num_hpd; 3649 adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs; 3650 } 3651 3652 const struct amdgpu_ip_block_version dce_v10_0_ip_block = 3653 { 3654 .type = AMD_IP_BLOCK_TYPE_DCE, 3655 .major = 10, 3656 .minor = 0, 3657 .rev = 0, 3658 .funcs = &dce_v10_0_ip_funcs, 3659 }; 3660 3661 const struct amdgpu_ip_block_version dce_v10_1_ip_block = 3662 { 3663 .type = AMD_IP_BLOCK_TYPE_DCE, 3664 .major = 10, 3665 .minor = 1, 3666 .rev = 0, 3667 .funcs = &dce_v10_0_ip_funcs, 3668 }; 3669