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 24 #include <drm/drm_fourcc.h> 25 #include <drm/drm_vblank.h> 26 27 #include "amdgpu.h" 28 #include "amdgpu_pm.h" 29 #include "amdgpu_i2c.h" 30 #include "vid.h" 31 #include "atom.h" 32 #include "amdgpu_atombios.h" 33 #include "atombios_crtc.h" 34 #include "atombios_encoders.h" 35 #include "amdgpu_pll.h" 36 #include "amdgpu_connectors.h" 37 #include "amdgpu_display.h" 38 #include "dce_v11_0.h" 39 40 #include "dce/dce_11_0_d.h" 41 #include "dce/dce_11_0_sh_mask.h" 42 #include "dce/dce_11_0_enum.h" 43 #include "oss/oss_3_0_d.h" 44 #include "oss/oss_3_0_sh_mask.h" 45 #include "gmc/gmc_8_1_d.h" 46 #include "gmc/gmc_8_1_sh_mask.h" 47 48 #include "ivsrcid/ivsrcid_vislands30.h" 49 50 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev); 51 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev); 52 53 static const u32 crtc_offsets[] = 54 { 55 CRTC0_REGISTER_OFFSET, 56 CRTC1_REGISTER_OFFSET, 57 CRTC2_REGISTER_OFFSET, 58 CRTC3_REGISTER_OFFSET, 59 CRTC4_REGISTER_OFFSET, 60 CRTC5_REGISTER_OFFSET, 61 CRTC6_REGISTER_OFFSET 62 }; 63 64 static const u32 hpd_offsets[] = 65 { 66 HPD0_REGISTER_OFFSET, 67 HPD1_REGISTER_OFFSET, 68 HPD2_REGISTER_OFFSET, 69 HPD3_REGISTER_OFFSET, 70 HPD4_REGISTER_OFFSET, 71 HPD5_REGISTER_OFFSET 72 }; 73 74 static const uint32_t dig_offsets[] = { 75 DIG0_REGISTER_OFFSET, 76 DIG1_REGISTER_OFFSET, 77 DIG2_REGISTER_OFFSET, 78 DIG3_REGISTER_OFFSET, 79 DIG4_REGISTER_OFFSET, 80 DIG5_REGISTER_OFFSET, 81 DIG6_REGISTER_OFFSET, 82 DIG7_REGISTER_OFFSET, 83 DIG8_REGISTER_OFFSET 84 }; 85 86 static const struct { 87 uint32_t reg; 88 uint32_t vblank; 89 uint32_t vline; 90 uint32_t hpd; 91 92 } interrupt_status_offsets[] = { { 93 .reg = mmDISP_INTERRUPT_STATUS, 94 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK, 95 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK, 96 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK 97 }, { 98 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE, 99 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK, 100 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK, 101 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK 102 }, { 103 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2, 104 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK, 105 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK, 106 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK 107 }, { 108 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3, 109 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK, 110 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK, 111 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK 112 }, { 113 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4, 114 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK, 115 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK, 116 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK 117 }, { 118 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5, 119 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK, 120 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK, 121 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK 122 } }; 123 124 static const u32 cz_golden_settings_a11[] = 125 { 126 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000, 127 mmFBC_MISC, 0x1f311fff, 0x14300000, 128 }; 129 130 static const u32 cz_mgcg_cgcg_init[] = 131 { 132 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 133 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 134 }; 135 136 static const u32 stoney_golden_settings_a11[] = 137 { 138 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000, 139 mmFBC_MISC, 0x1f311fff, 0x14302000, 140 }; 141 142 static const u32 polaris11_golden_settings_a11[] = 143 { 144 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 145 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 146 mmFBC_DEBUG1, 0xffffffff, 0x00000008, 147 mmFBC_MISC, 0x9f313fff, 0x14302008, 148 mmHDMI_CONTROL, 0x313f031f, 0x00000011, 149 }; 150 151 static const u32 polaris10_golden_settings_a11[] = 152 { 153 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 154 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 155 mmFBC_MISC, 0x9f313fff, 0x14302008, 156 mmHDMI_CONTROL, 0x313f031f, 0x00000011, 157 }; 158 159 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev) 160 { 161 switch (adev->asic_type) { 162 case CHIP_CARRIZO: 163 amdgpu_device_program_register_sequence(adev, 164 cz_mgcg_cgcg_init, 165 ARRAY_SIZE(cz_mgcg_cgcg_init)); 166 amdgpu_device_program_register_sequence(adev, 167 cz_golden_settings_a11, 168 ARRAY_SIZE(cz_golden_settings_a11)); 169 break; 170 case CHIP_STONEY: 171 amdgpu_device_program_register_sequence(adev, 172 stoney_golden_settings_a11, 173 ARRAY_SIZE(stoney_golden_settings_a11)); 174 break; 175 case CHIP_POLARIS11: 176 case CHIP_POLARIS12: 177 amdgpu_device_program_register_sequence(adev, 178 polaris11_golden_settings_a11, 179 ARRAY_SIZE(polaris11_golden_settings_a11)); 180 break; 181 case CHIP_POLARIS10: 182 case CHIP_VEGAM: 183 amdgpu_device_program_register_sequence(adev, 184 polaris10_golden_settings_a11, 185 ARRAY_SIZE(polaris10_golden_settings_a11)); 186 break; 187 default: 188 break; 189 } 190 } 191 192 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev, 193 u32 block_offset, u32 reg) 194 { 195 unsigned long flags; 196 u32 r; 197 198 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 199 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 200 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset); 201 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 202 203 return r; 204 } 205 206 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev, 207 u32 block_offset, u32 reg, u32 v) 208 { 209 unsigned long flags; 210 211 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 212 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 213 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v); 214 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 215 } 216 217 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) 218 { 219 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) 220 return 0; 221 else 222 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 223 } 224 225 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev) 226 { 227 unsigned i; 228 229 /* Enable pflip interrupts */ 230 for (i = 0; i < adev->mode_info.num_crtc; i++) 231 amdgpu_irq_get(adev, &adev->pageflip_irq, i); 232 } 233 234 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev) 235 { 236 unsigned i; 237 238 /* Disable pflip interrupts */ 239 for (i = 0; i < adev->mode_info.num_crtc; i++) 240 amdgpu_irq_put(adev, &adev->pageflip_irq, i); 241 } 242 243 /** 244 * dce_v11_0_page_flip - pageflip callback. 245 * 246 * @adev: amdgpu_device pointer 247 * @crtc_id: crtc to cleanup pageflip on 248 * @crtc_base: new address of the crtc (GPU MC address) 249 * @async: asynchronous flip 250 * 251 * Triggers the actual pageflip by updating the primary 252 * surface base address. 253 */ 254 static void dce_v11_0_page_flip(struct amdgpu_device *adev, 255 int crtc_id, u64 crtc_base, bool async) 256 { 257 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 258 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb; 259 u32 tmp; 260 261 /* flip immediate for async, default is vsync */ 262 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 263 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 264 GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0); 265 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 266 /* update pitch */ 267 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, 268 fb->pitches[0] / fb->format->cpp[0]); 269 /* update the scanout addresses */ 270 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 271 upper_32_bits(crtc_base)); 272 /* writing to the low address triggers the update */ 273 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 274 lower_32_bits(crtc_base)); 275 /* post the write */ 276 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); 277 } 278 279 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 280 u32 *vbl, u32 *position) 281 { 282 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 283 return -EINVAL; 284 285 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 286 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 287 288 return 0; 289 } 290 291 /** 292 * dce_v11_0_hpd_sense - hpd sense callback. 293 * 294 * @adev: amdgpu_device pointer 295 * @hpd: hpd (hotplug detect) pin 296 * 297 * Checks if a digital monitor is connected (evergreen+). 298 * Returns true if connected, false if not connected. 299 */ 300 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev, 301 enum amdgpu_hpd_id hpd) 302 { 303 bool connected = false; 304 305 if (hpd >= adev->mode_info.num_hpd) 306 return connected; 307 308 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & 309 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) 310 connected = true; 311 312 return connected; 313 } 314 315 /** 316 * dce_v11_0_hpd_set_polarity - hpd set polarity callback. 317 * 318 * @adev: amdgpu_device pointer 319 * @hpd: hpd (hotplug detect) pin 320 * 321 * Set the polarity of the hpd pin (evergreen+). 322 */ 323 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev, 324 enum amdgpu_hpd_id hpd) 325 { 326 u32 tmp; 327 bool connected = dce_v11_0_hpd_sense(adev, hpd); 328 329 if (hpd >= adev->mode_info.num_hpd) 330 return; 331 332 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 333 if (connected) 334 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); 335 else 336 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); 337 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 338 } 339 340 /** 341 * dce_v11_0_hpd_init - hpd setup callback. 342 * 343 * @adev: amdgpu_device pointer 344 * 345 * Setup the hpd pins used by the card (evergreen+). 346 * Enable the pin, set the polarity, and enable the hpd interrupts. 347 */ 348 static void dce_v11_0_hpd_init(struct amdgpu_device *adev) 349 { 350 struct drm_device *dev = adev_to_drm(adev); 351 struct drm_connector *connector; 352 struct drm_connector_list_iter iter; 353 u32 tmp; 354 355 drm_connector_list_iter_begin(dev, &iter); 356 drm_for_each_connector_iter(connector, &iter) { 357 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 358 359 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 360 continue; 361 362 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 363 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 364 /* don't try to enable hpd on eDP or LVDS avoid breaking the 365 * aux dp channel on imac and help (but not completely fix) 366 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 367 * also avoid interrupt storms during dpms. 368 */ 369 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 370 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 371 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 372 continue; 373 } 374 375 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 376 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); 377 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 378 379 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); 380 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 381 DC_HPD_CONNECT_INT_DELAY, 382 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); 383 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 384 DC_HPD_DISCONNECT_INT_DELAY, 385 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); 386 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 387 388 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 389 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 390 } 391 drm_connector_list_iter_end(&iter); 392 } 393 394 /** 395 * dce_v11_0_hpd_fini - hpd tear down callback. 396 * 397 * @adev: amdgpu_device pointer 398 * 399 * Tear down the hpd pins used by the card (evergreen+). 400 * Disable the hpd interrupts. 401 */ 402 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev) 403 { 404 struct drm_device *dev = adev_to_drm(adev); 405 struct drm_connector *connector; 406 struct drm_connector_list_iter iter; 407 u32 tmp; 408 409 drm_connector_list_iter_begin(dev, &iter); 410 drm_for_each_connector_iter(connector, &iter) { 411 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 412 413 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 414 continue; 415 416 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 417 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); 418 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 419 420 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 421 } 422 drm_connector_list_iter_end(&iter); 423 } 424 425 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 426 { 427 return mmDC_GPIO_HPD_A; 428 } 429 430 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev) 431 { 432 u32 crtc_hung = 0; 433 u32 crtc_status[6]; 434 u32 i, j, tmp; 435 436 for (i = 0; i < adev->mode_info.num_crtc; i++) { 437 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 438 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) { 439 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 440 crtc_hung |= (1 << i); 441 } 442 } 443 444 for (j = 0; j < 10; j++) { 445 for (i = 0; i < adev->mode_info.num_crtc; i++) { 446 if (crtc_hung & (1 << i)) { 447 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 448 if (tmp != crtc_status[i]) 449 crtc_hung &= ~(1 << i); 450 } 451 } 452 if (crtc_hung == 0) 453 return false; 454 udelay(100); 455 } 456 457 return true; 458 } 459 460 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev, 461 bool render) 462 { 463 u32 tmp; 464 465 /* Lockout access through VGA aperture*/ 466 tmp = RREG32(mmVGA_HDP_CONTROL); 467 if (render) 468 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 469 else 470 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 471 WREG32(mmVGA_HDP_CONTROL, tmp); 472 473 /* disable VGA render */ 474 tmp = RREG32(mmVGA_RENDER_CONTROL); 475 if (render) 476 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 477 else 478 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 479 WREG32(mmVGA_RENDER_CONTROL, tmp); 480 } 481 482 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev) 483 { 484 int num_crtc = 0; 485 486 switch (adev->asic_type) { 487 case CHIP_CARRIZO: 488 num_crtc = 3; 489 break; 490 case CHIP_STONEY: 491 num_crtc = 2; 492 break; 493 case CHIP_POLARIS10: 494 case CHIP_VEGAM: 495 num_crtc = 6; 496 break; 497 case CHIP_POLARIS11: 498 case CHIP_POLARIS12: 499 num_crtc = 5; 500 break; 501 default: 502 num_crtc = 0; 503 } 504 return num_crtc; 505 } 506 507 void dce_v11_0_disable_dce(struct amdgpu_device *adev) 508 { 509 /*Disable VGA render and enabled crtc, if has DCE engine*/ 510 if (amdgpu_atombios_has_dce_engine_info(adev)) { 511 u32 tmp; 512 int crtc_enabled, i; 513 514 dce_v11_0_set_vga_render_state(adev, false); 515 516 /*Disable crtc*/ 517 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) { 518 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 519 CRTC_CONTROL, CRTC_MASTER_EN); 520 if (crtc_enabled) { 521 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 522 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 523 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 524 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 525 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 526 } 527 } 528 } 529 } 530 531 static void dce_v11_0_program_fmt(struct drm_encoder *encoder) 532 { 533 struct drm_device *dev = encoder->dev; 534 struct amdgpu_device *adev = drm_to_adev(dev); 535 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 536 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 537 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 538 int bpc = 0; 539 u32 tmp = 0; 540 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 541 542 if (connector) { 543 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 544 bpc = amdgpu_connector_get_monitor_bpc(connector); 545 dither = amdgpu_connector->dither; 546 } 547 548 /* LVDS/eDP FMT is set up by atom */ 549 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 550 return; 551 552 /* not needed for analog */ 553 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 554 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 555 return; 556 557 if (bpc == 0) 558 return; 559 560 switch (bpc) { 561 case 6: 562 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 563 /* XXX sort out optimal dither settings */ 564 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 565 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 566 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 567 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0); 568 } else { 569 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 570 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0); 571 } 572 break; 573 case 8: 574 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 575 /* XXX sort out optimal dither settings */ 576 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 577 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 578 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 579 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 580 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1); 581 } else { 582 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 583 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1); 584 } 585 break; 586 case 10: 587 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 588 /* XXX sort out optimal dither settings */ 589 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 590 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 591 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 592 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 593 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2); 594 } else { 595 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 596 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2); 597 } 598 break; 599 default: 600 /* not needed */ 601 break; 602 } 603 604 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 605 } 606 607 608 /* display watermark setup */ 609 /** 610 * dce_v11_0_line_buffer_adjust - Set up the line buffer 611 * 612 * @adev: amdgpu_device pointer 613 * @amdgpu_crtc: the selected display controller 614 * @mode: the current display mode on the selected display 615 * controller 616 * 617 * Setup up the line buffer allocation for 618 * the selected display controller (CIK). 619 * Returns the line buffer size in pixels. 620 */ 621 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev, 622 struct amdgpu_crtc *amdgpu_crtc, 623 struct drm_display_mode *mode) 624 { 625 u32 tmp, buffer_alloc, i, mem_cfg; 626 u32 pipe_offset = amdgpu_crtc->crtc_id; 627 /* 628 * Line Buffer Setup 629 * There are 6 line buffers, one for each display controllers. 630 * There are 3 partitions per LB. Select the number of partitions 631 * to enable based on the display width. For display widths larger 632 * than 4096, you need use to use 2 display controllers and combine 633 * them using the stereo blender. 634 */ 635 if (amdgpu_crtc->base.enabled && mode) { 636 if (mode->crtc_hdisplay < 1920) { 637 mem_cfg = 1; 638 buffer_alloc = 2; 639 } else if (mode->crtc_hdisplay < 2560) { 640 mem_cfg = 2; 641 buffer_alloc = 2; 642 } else if (mode->crtc_hdisplay < 4096) { 643 mem_cfg = 0; 644 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 645 } else { 646 DRM_DEBUG_KMS("Mode too big for LB!\n"); 647 mem_cfg = 0; 648 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 649 } 650 } else { 651 mem_cfg = 1; 652 buffer_alloc = 0; 653 } 654 655 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset); 656 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg); 657 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp); 658 659 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 660 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc); 661 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp); 662 663 for (i = 0; i < adev->usec_timeout; i++) { 664 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 665 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED)) 666 break; 667 udelay(1); 668 } 669 670 if (amdgpu_crtc->base.enabled && mode) { 671 switch (mem_cfg) { 672 case 0: 673 default: 674 return 4096 * 2; 675 case 1: 676 return 1920 * 2; 677 case 2: 678 return 2560 * 2; 679 } 680 } 681 682 /* controller not enabled, so no lb used */ 683 return 0; 684 } 685 686 /** 687 * cik_get_number_of_dram_channels - get the number of dram channels 688 * 689 * @adev: amdgpu_device pointer 690 * 691 * Look up the number of video ram channels (CIK). 692 * Used for display watermark bandwidth calculations 693 * Returns the number of dram channels 694 */ 695 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 696 { 697 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 698 699 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 700 case 0: 701 default: 702 return 1; 703 case 1: 704 return 2; 705 case 2: 706 return 4; 707 case 3: 708 return 8; 709 case 4: 710 return 3; 711 case 5: 712 return 6; 713 case 6: 714 return 10; 715 case 7: 716 return 12; 717 case 8: 718 return 16; 719 } 720 } 721 722 struct dce10_wm_params { 723 u32 dram_channels; /* number of dram channels */ 724 u32 yclk; /* bandwidth per dram data pin in kHz */ 725 u32 sclk; /* engine clock in kHz */ 726 u32 disp_clk; /* display clock in kHz */ 727 u32 src_width; /* viewport width */ 728 u32 active_time; /* active display time in ns */ 729 u32 blank_time; /* blank time in ns */ 730 bool interlaced; /* mode is interlaced */ 731 fixed20_12 vsc; /* vertical scale ratio */ 732 u32 num_heads; /* number of active crtcs */ 733 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 734 u32 lb_size; /* line buffer allocated to pipe */ 735 u32 vtaps; /* vertical scaler taps */ 736 }; 737 738 /** 739 * dce_v11_0_dram_bandwidth - get the dram bandwidth 740 * 741 * @wm: watermark calculation data 742 * 743 * Calculate the raw dram bandwidth (CIK). 744 * Used for display watermark bandwidth calculations 745 * Returns the dram bandwidth in MBytes/s 746 */ 747 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm) 748 { 749 /* Calculate raw DRAM Bandwidth */ 750 fixed20_12 dram_efficiency; /* 0.7 */ 751 fixed20_12 yclk, dram_channels, bandwidth; 752 fixed20_12 a; 753 754 a.full = dfixed_const(1000); 755 yclk.full = dfixed_const(wm->yclk); 756 yclk.full = dfixed_div(yclk, a); 757 dram_channels.full = dfixed_const(wm->dram_channels * 4); 758 a.full = dfixed_const(10); 759 dram_efficiency.full = dfixed_const(7); 760 dram_efficiency.full = dfixed_div(dram_efficiency, a); 761 bandwidth.full = dfixed_mul(dram_channels, yclk); 762 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 763 764 return dfixed_trunc(bandwidth); 765 } 766 767 /** 768 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display 769 * 770 * @wm: watermark calculation data 771 * 772 * Calculate the dram bandwidth used for display (CIK). 773 * Used for display watermark bandwidth calculations 774 * Returns the dram bandwidth for display in MBytes/s 775 */ 776 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm) 777 { 778 /* Calculate DRAM Bandwidth and the part allocated to display. */ 779 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 780 fixed20_12 yclk, dram_channels, bandwidth; 781 fixed20_12 a; 782 783 a.full = dfixed_const(1000); 784 yclk.full = dfixed_const(wm->yclk); 785 yclk.full = dfixed_div(yclk, a); 786 dram_channels.full = dfixed_const(wm->dram_channels * 4); 787 a.full = dfixed_const(10); 788 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 789 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 790 bandwidth.full = dfixed_mul(dram_channels, yclk); 791 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 792 793 return dfixed_trunc(bandwidth); 794 } 795 796 /** 797 * dce_v11_0_data_return_bandwidth - get the data return bandwidth 798 * 799 * @wm: watermark calculation data 800 * 801 * Calculate the data return bandwidth used for display (CIK). 802 * Used for display watermark bandwidth calculations 803 * Returns the data return bandwidth in MBytes/s 804 */ 805 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm) 806 { 807 /* Calculate the display Data return Bandwidth */ 808 fixed20_12 return_efficiency; /* 0.8 */ 809 fixed20_12 sclk, bandwidth; 810 fixed20_12 a; 811 812 a.full = dfixed_const(1000); 813 sclk.full = dfixed_const(wm->sclk); 814 sclk.full = dfixed_div(sclk, a); 815 a.full = dfixed_const(10); 816 return_efficiency.full = dfixed_const(8); 817 return_efficiency.full = dfixed_div(return_efficiency, a); 818 a.full = dfixed_const(32); 819 bandwidth.full = dfixed_mul(a, sclk); 820 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 821 822 return dfixed_trunc(bandwidth); 823 } 824 825 /** 826 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth 827 * 828 * @wm: watermark calculation data 829 * 830 * Calculate the dmif bandwidth used for display (CIK). 831 * Used for display watermark bandwidth calculations 832 * Returns the dmif bandwidth in MBytes/s 833 */ 834 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm) 835 { 836 /* Calculate the DMIF Request Bandwidth */ 837 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 838 fixed20_12 disp_clk, bandwidth; 839 fixed20_12 a, b; 840 841 a.full = dfixed_const(1000); 842 disp_clk.full = dfixed_const(wm->disp_clk); 843 disp_clk.full = dfixed_div(disp_clk, a); 844 a.full = dfixed_const(32); 845 b.full = dfixed_mul(a, disp_clk); 846 847 a.full = dfixed_const(10); 848 disp_clk_request_efficiency.full = dfixed_const(8); 849 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 850 851 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 852 853 return dfixed_trunc(bandwidth); 854 } 855 856 /** 857 * dce_v11_0_available_bandwidth - get the min available bandwidth 858 * 859 * @wm: watermark calculation data 860 * 861 * Calculate the min available bandwidth used for display (CIK). 862 * Used for display watermark bandwidth calculations 863 * Returns the min available bandwidth in MBytes/s 864 */ 865 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm) 866 { 867 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 868 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm); 869 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm); 870 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm); 871 872 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 873 } 874 875 /** 876 * dce_v11_0_average_bandwidth - get the average available bandwidth 877 * 878 * @wm: watermark calculation data 879 * 880 * Calculate the average available bandwidth used for display (CIK). 881 * Used for display watermark bandwidth calculations 882 * Returns the average available bandwidth in MBytes/s 883 */ 884 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm) 885 { 886 /* Calculate the display mode Average Bandwidth 887 * DisplayMode should contain the source and destination dimensions, 888 * timing, etc. 889 */ 890 fixed20_12 bpp; 891 fixed20_12 line_time; 892 fixed20_12 src_width; 893 fixed20_12 bandwidth; 894 fixed20_12 a; 895 896 a.full = dfixed_const(1000); 897 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 898 line_time.full = dfixed_div(line_time, a); 899 bpp.full = dfixed_const(wm->bytes_per_pixel); 900 src_width.full = dfixed_const(wm->src_width); 901 bandwidth.full = dfixed_mul(src_width, bpp); 902 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 903 bandwidth.full = dfixed_div(bandwidth, line_time); 904 905 return dfixed_trunc(bandwidth); 906 } 907 908 /** 909 * dce_v11_0_latency_watermark - get the latency watermark 910 * 911 * @wm: watermark calculation data 912 * 913 * Calculate the latency watermark (CIK). 914 * Used for display watermark bandwidth calculations 915 * Returns the latency watermark in ns 916 */ 917 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm) 918 { 919 /* First calculate the latency in ns */ 920 u32 mc_latency = 2000; /* 2000 ns. */ 921 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm); 922 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 923 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 924 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 925 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 926 (wm->num_heads * cursor_line_pair_return_time); 927 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 928 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 929 u32 tmp, dmif_size = 12288; 930 fixed20_12 a, b, c; 931 932 if (wm->num_heads == 0) 933 return 0; 934 935 a.full = dfixed_const(2); 936 b.full = dfixed_const(1); 937 if ((wm->vsc.full > a.full) || 938 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 939 (wm->vtaps >= 5) || 940 ((wm->vsc.full >= a.full) && wm->interlaced)) 941 max_src_lines_per_dst_line = 4; 942 else 943 max_src_lines_per_dst_line = 2; 944 945 a.full = dfixed_const(available_bandwidth); 946 b.full = dfixed_const(wm->num_heads); 947 a.full = dfixed_div(a, b); 948 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512); 949 tmp = min(dfixed_trunc(a), tmp); 950 951 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000); 952 953 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 954 b.full = dfixed_const(1000); 955 c.full = dfixed_const(lb_fill_bw); 956 b.full = dfixed_div(c, b); 957 a.full = dfixed_div(a, b); 958 line_fill_time = dfixed_trunc(a); 959 960 if (line_fill_time < wm->active_time) 961 return latency; 962 else 963 return latency + (line_fill_time - wm->active_time); 964 965 } 966 967 /** 968 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check 969 * average and available dram bandwidth 970 * 971 * @wm: watermark calculation data 972 * 973 * Check if the display average bandwidth fits in the display 974 * dram bandwidth (CIK). 975 * Used for display watermark bandwidth calculations 976 * Returns true if the display fits, false if not. 977 */ 978 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm) 979 { 980 if (dce_v11_0_average_bandwidth(wm) <= 981 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 982 return true; 983 else 984 return false; 985 } 986 987 /** 988 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check 989 * average and available bandwidth 990 * 991 * @wm: watermark calculation data 992 * 993 * Check if the display average bandwidth fits in the display 994 * available bandwidth (CIK). 995 * Used for display watermark bandwidth calculations 996 * Returns true if the display fits, false if not. 997 */ 998 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm) 999 { 1000 if (dce_v11_0_average_bandwidth(wm) <= 1001 (dce_v11_0_available_bandwidth(wm) / wm->num_heads)) 1002 return true; 1003 else 1004 return false; 1005 } 1006 1007 /** 1008 * dce_v11_0_check_latency_hiding - check latency hiding 1009 * 1010 * @wm: watermark calculation data 1011 * 1012 * Check latency hiding (CIK). 1013 * Used for display watermark bandwidth calculations 1014 * Returns true if the display fits, false if not. 1015 */ 1016 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm) 1017 { 1018 u32 lb_partitions = wm->lb_size / wm->src_width; 1019 u32 line_time = wm->active_time + wm->blank_time; 1020 u32 latency_tolerant_lines; 1021 u32 latency_hiding; 1022 fixed20_12 a; 1023 1024 a.full = dfixed_const(1); 1025 if (wm->vsc.full > a.full) 1026 latency_tolerant_lines = 1; 1027 else { 1028 if (lb_partitions <= (wm->vtaps + 1)) 1029 latency_tolerant_lines = 1; 1030 else 1031 latency_tolerant_lines = 2; 1032 } 1033 1034 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1035 1036 if (dce_v11_0_latency_watermark(wm) <= latency_hiding) 1037 return true; 1038 else 1039 return false; 1040 } 1041 1042 /** 1043 * dce_v11_0_program_watermarks - program display watermarks 1044 * 1045 * @adev: amdgpu_device pointer 1046 * @amdgpu_crtc: the selected display controller 1047 * @lb_size: line buffer size 1048 * @num_heads: number of display controllers in use 1049 * 1050 * Calculate and program the display watermarks for the 1051 * selected display controller (CIK). 1052 */ 1053 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, 1054 struct amdgpu_crtc *amdgpu_crtc, 1055 u32 lb_size, u32 num_heads) 1056 { 1057 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1058 struct dce10_wm_params wm_low, wm_high; 1059 u32 active_time; 1060 u32 line_time = 0; 1061 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1062 u32 tmp, wm_mask, lb_vblank_lead_lines = 0; 1063 1064 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1065 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, 1066 (u32)mode->clock); 1067 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, 1068 (u32)mode->clock); 1069 line_time = min(line_time, (u32)65535); 1070 1071 /* watermark for high clocks */ 1072 if (adev->pm.dpm_enabled) { 1073 wm_high.yclk = 1074 amdgpu_dpm_get_mclk(adev, false) * 10; 1075 wm_high.sclk = 1076 amdgpu_dpm_get_sclk(adev, false) * 10; 1077 } else { 1078 wm_high.yclk = adev->pm.current_mclk * 10; 1079 wm_high.sclk = adev->pm.current_sclk * 10; 1080 } 1081 1082 wm_high.disp_clk = mode->clock; 1083 wm_high.src_width = mode->crtc_hdisplay; 1084 wm_high.active_time = active_time; 1085 wm_high.blank_time = line_time - wm_high.active_time; 1086 wm_high.interlaced = false; 1087 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1088 wm_high.interlaced = true; 1089 wm_high.vsc = amdgpu_crtc->vsc; 1090 wm_high.vtaps = 1; 1091 if (amdgpu_crtc->rmx_type != RMX_OFF) 1092 wm_high.vtaps = 2; 1093 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1094 wm_high.lb_size = lb_size; 1095 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1096 wm_high.num_heads = num_heads; 1097 1098 /* set for high clocks */ 1099 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535); 1100 1101 /* possibly force display priority to high */ 1102 /* should really do this at mode validation time... */ 1103 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1104 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1105 !dce_v11_0_check_latency_hiding(&wm_high) || 1106 (adev->mode_info.disp_priority == 2)) { 1107 DRM_DEBUG_KMS("force priority to high\n"); 1108 } 1109 1110 /* watermark for low clocks */ 1111 if (adev->pm.dpm_enabled) { 1112 wm_low.yclk = 1113 amdgpu_dpm_get_mclk(adev, true) * 10; 1114 wm_low.sclk = 1115 amdgpu_dpm_get_sclk(adev, true) * 10; 1116 } else { 1117 wm_low.yclk = adev->pm.current_mclk * 10; 1118 wm_low.sclk = adev->pm.current_sclk * 10; 1119 } 1120 1121 wm_low.disp_clk = mode->clock; 1122 wm_low.src_width = mode->crtc_hdisplay; 1123 wm_low.active_time = active_time; 1124 wm_low.blank_time = line_time - wm_low.active_time; 1125 wm_low.interlaced = false; 1126 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1127 wm_low.interlaced = true; 1128 wm_low.vsc = amdgpu_crtc->vsc; 1129 wm_low.vtaps = 1; 1130 if (amdgpu_crtc->rmx_type != RMX_OFF) 1131 wm_low.vtaps = 2; 1132 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1133 wm_low.lb_size = lb_size; 1134 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1135 wm_low.num_heads = num_heads; 1136 1137 /* set for low clocks */ 1138 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535); 1139 1140 /* possibly force display priority to high */ 1141 /* should really do this at mode validation time... */ 1142 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1143 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1144 !dce_v11_0_check_latency_hiding(&wm_low) || 1145 (adev->mode_info.disp_priority == 2)) { 1146 DRM_DEBUG_KMS("force priority to high\n"); 1147 } 1148 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); 1149 } 1150 1151 /* select wm A */ 1152 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1153 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1); 1154 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1155 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1156 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a); 1157 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1158 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1159 /* select wm B */ 1160 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2); 1161 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1162 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1163 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b); 1164 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1165 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1166 /* restore original selection */ 1167 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1168 1169 /* save values for DPM */ 1170 amdgpu_crtc->line_time = line_time; 1171 amdgpu_crtc->wm_high = latency_watermark_a; 1172 amdgpu_crtc->wm_low = latency_watermark_b; 1173 /* Save number of lines the linebuffer leads before the scanout */ 1174 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; 1175 } 1176 1177 /** 1178 * dce_v11_0_bandwidth_update - program display watermarks 1179 * 1180 * @adev: amdgpu_device pointer 1181 * 1182 * Calculate and program the display watermarks and line 1183 * buffer allocation (CIK). 1184 */ 1185 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev) 1186 { 1187 struct drm_display_mode *mode = NULL; 1188 u32 num_heads = 0, lb_size; 1189 int i; 1190 1191 amdgpu_display_update_priority(adev); 1192 1193 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1194 if (adev->mode_info.crtcs[i]->base.enabled) 1195 num_heads++; 1196 } 1197 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1198 mode = &adev->mode_info.crtcs[i]->base.mode; 1199 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1200 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1201 lb_size, num_heads); 1202 } 1203 } 1204 1205 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev) 1206 { 1207 int i; 1208 u32 offset, tmp; 1209 1210 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1211 offset = adev->mode_info.audio.pin[i].offset; 1212 tmp = RREG32_AUDIO_ENDPT(offset, 1213 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1214 if (((tmp & 1215 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1216 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1217 adev->mode_info.audio.pin[i].connected = false; 1218 else 1219 adev->mode_info.audio.pin[i].connected = true; 1220 } 1221 } 1222 1223 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev) 1224 { 1225 int i; 1226 1227 dce_v11_0_audio_get_connected_pins(adev); 1228 1229 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1230 if (adev->mode_info.audio.pin[i].connected) 1231 return &adev->mode_info.audio.pin[i]; 1232 } 1233 DRM_ERROR("No connected audio pins found!\n"); 1234 return NULL; 1235 } 1236 1237 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1238 { 1239 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 1240 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1241 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1242 u32 tmp; 1243 1244 if (!dig || !dig->afmt || !dig->afmt->pin) 1245 return; 1246 1247 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset); 1248 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id); 1249 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp); 1250 } 1251 1252 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder, 1253 struct drm_display_mode *mode) 1254 { 1255 struct drm_device *dev = encoder->dev; 1256 struct amdgpu_device *adev = drm_to_adev(dev); 1257 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1258 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1259 struct drm_connector *connector; 1260 struct drm_connector_list_iter iter; 1261 struct amdgpu_connector *amdgpu_connector = NULL; 1262 u32 tmp; 1263 int interlace = 0; 1264 1265 if (!dig || !dig->afmt || !dig->afmt->pin) 1266 return; 1267 1268 drm_connector_list_iter_begin(dev, &iter); 1269 drm_for_each_connector_iter(connector, &iter) { 1270 if (connector->encoder == encoder) { 1271 amdgpu_connector = to_amdgpu_connector(connector); 1272 break; 1273 } 1274 } 1275 drm_connector_list_iter_end(&iter); 1276 1277 if (!amdgpu_connector) { 1278 DRM_ERROR("Couldn't find encoder's connector\n"); 1279 return; 1280 } 1281 1282 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1283 interlace = 1; 1284 if (connector->latency_present[interlace]) { 1285 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1286 VIDEO_LIPSYNC, connector->video_latency[interlace]); 1287 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1288 AUDIO_LIPSYNC, connector->audio_latency[interlace]); 1289 } else { 1290 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1291 VIDEO_LIPSYNC, 0); 1292 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1293 AUDIO_LIPSYNC, 0); 1294 } 1295 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1296 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1297 } 1298 1299 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1300 { 1301 struct drm_device *dev = encoder->dev; 1302 struct amdgpu_device *adev = drm_to_adev(dev); 1303 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1304 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1305 struct drm_connector *connector; 1306 struct drm_connector_list_iter iter; 1307 struct amdgpu_connector *amdgpu_connector = NULL; 1308 u32 tmp; 1309 u8 *sadb = NULL; 1310 int sad_count; 1311 1312 if (!dig || !dig->afmt || !dig->afmt->pin) 1313 return; 1314 1315 drm_connector_list_iter_begin(dev, &iter); 1316 drm_for_each_connector_iter(connector, &iter) { 1317 if (connector->encoder == encoder) { 1318 amdgpu_connector = to_amdgpu_connector(connector); 1319 break; 1320 } 1321 } 1322 drm_connector_list_iter_end(&iter); 1323 1324 if (!amdgpu_connector) { 1325 DRM_ERROR("Couldn't find encoder's connector\n"); 1326 return; 1327 } 1328 1329 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb); 1330 if (sad_count < 0) { 1331 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1332 sad_count = 0; 1333 } 1334 1335 /* program the speaker allocation */ 1336 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1337 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1338 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1339 DP_CONNECTION, 0); 1340 /* set HDMI mode */ 1341 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1342 HDMI_CONNECTION, 1); 1343 if (sad_count) 1344 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1345 SPEAKER_ALLOCATION, sadb[0]); 1346 else 1347 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1348 SPEAKER_ALLOCATION, 5); /* stereo */ 1349 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1350 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1351 1352 kfree(sadb); 1353 } 1354 1355 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder) 1356 { 1357 struct drm_device *dev = encoder->dev; 1358 struct amdgpu_device *adev = drm_to_adev(dev); 1359 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1360 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1361 struct drm_connector *connector; 1362 struct drm_connector_list_iter iter; 1363 struct amdgpu_connector *amdgpu_connector = NULL; 1364 struct cea_sad *sads; 1365 int i, sad_count; 1366 1367 static const u16 eld_reg_to_type[][2] = { 1368 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1369 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1370 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1371 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1372 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1373 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1374 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1375 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1376 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1377 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1378 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1379 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1380 }; 1381 1382 if (!dig || !dig->afmt || !dig->afmt->pin) 1383 return; 1384 1385 drm_connector_list_iter_begin(dev, &iter); 1386 drm_for_each_connector_iter(connector, &iter) { 1387 if (connector->encoder == encoder) { 1388 amdgpu_connector = to_amdgpu_connector(connector); 1389 break; 1390 } 1391 } 1392 drm_connector_list_iter_end(&iter); 1393 1394 if (!amdgpu_connector) { 1395 DRM_ERROR("Couldn't find encoder's connector\n"); 1396 return; 1397 } 1398 1399 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); 1400 if (sad_count < 0) 1401 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1402 if (sad_count <= 0) 1403 return; 1404 BUG_ON(!sads); 1405 1406 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1407 u32 tmp = 0; 1408 u8 stereo_freqs = 0; 1409 int max_channels = -1; 1410 int j; 1411 1412 for (j = 0; j < sad_count; j++) { 1413 struct cea_sad *sad = &sads[j]; 1414 1415 if (sad->format == eld_reg_to_type[i][1]) { 1416 if (sad->channels > max_channels) { 1417 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1418 MAX_CHANNELS, sad->channels); 1419 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1420 DESCRIPTOR_BYTE_2, sad->byte2); 1421 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1422 SUPPORTED_FREQUENCIES, sad->freq); 1423 max_channels = sad->channels; 1424 } 1425 1426 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1427 stereo_freqs |= sad->freq; 1428 else 1429 break; 1430 } 1431 } 1432 1433 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1434 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs); 1435 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp); 1436 } 1437 1438 kfree(sads); 1439 } 1440 1441 static void dce_v11_0_audio_enable(struct amdgpu_device *adev, 1442 struct amdgpu_audio_pin *pin, 1443 bool enable) 1444 { 1445 if (!pin) 1446 return; 1447 1448 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1449 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1450 } 1451 1452 static const u32 pin_offsets[] = 1453 { 1454 AUD0_REGISTER_OFFSET, 1455 AUD1_REGISTER_OFFSET, 1456 AUD2_REGISTER_OFFSET, 1457 AUD3_REGISTER_OFFSET, 1458 AUD4_REGISTER_OFFSET, 1459 AUD5_REGISTER_OFFSET, 1460 AUD6_REGISTER_OFFSET, 1461 AUD7_REGISTER_OFFSET, 1462 }; 1463 1464 static int dce_v11_0_audio_init(struct amdgpu_device *adev) 1465 { 1466 int i; 1467 1468 if (!amdgpu_audio) 1469 return 0; 1470 1471 adev->mode_info.audio.enabled = true; 1472 1473 switch (adev->asic_type) { 1474 case CHIP_CARRIZO: 1475 case CHIP_STONEY: 1476 adev->mode_info.audio.num_pins = 7; 1477 break; 1478 case CHIP_POLARIS10: 1479 case CHIP_VEGAM: 1480 adev->mode_info.audio.num_pins = 8; 1481 break; 1482 case CHIP_POLARIS11: 1483 case CHIP_POLARIS12: 1484 adev->mode_info.audio.num_pins = 6; 1485 break; 1486 default: 1487 return -EINVAL; 1488 } 1489 1490 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1491 adev->mode_info.audio.pin[i].channels = -1; 1492 adev->mode_info.audio.pin[i].rate = -1; 1493 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1494 adev->mode_info.audio.pin[i].status_bits = 0; 1495 adev->mode_info.audio.pin[i].category_code = 0; 1496 adev->mode_info.audio.pin[i].connected = false; 1497 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1498 adev->mode_info.audio.pin[i].id = i; 1499 /* disable audio. it will be set up later */ 1500 /* XXX remove once we switch to ip funcs */ 1501 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1502 } 1503 1504 return 0; 1505 } 1506 1507 static void dce_v11_0_audio_fini(struct amdgpu_device *adev) 1508 { 1509 int i; 1510 1511 if (!amdgpu_audio) 1512 return; 1513 1514 if (!adev->mode_info.audio.enabled) 1515 return; 1516 1517 for (i = 0; i < adev->mode_info.audio.num_pins; i++) 1518 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1519 1520 adev->mode_info.audio.enabled = false; 1521 } 1522 1523 /* 1524 * update the N and CTS parameters for a given pixel clock rate 1525 */ 1526 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1527 { 1528 struct drm_device *dev = encoder->dev; 1529 struct amdgpu_device *adev = drm_to_adev(dev); 1530 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1531 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1532 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1533 u32 tmp; 1534 1535 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset); 1536 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz); 1537 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp); 1538 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset); 1539 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz); 1540 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp); 1541 1542 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset); 1543 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz); 1544 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp); 1545 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset); 1546 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz); 1547 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp); 1548 1549 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset); 1550 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz); 1551 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp); 1552 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset); 1553 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz); 1554 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp); 1555 1556 } 1557 1558 /* 1559 * build a HDMI Video Info Frame 1560 */ 1561 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1562 void *buffer, size_t size) 1563 { 1564 struct drm_device *dev = encoder->dev; 1565 struct amdgpu_device *adev = drm_to_adev(dev); 1566 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1567 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1568 uint8_t *frame = buffer + 3; 1569 uint8_t *header = buffer; 1570 1571 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset, 1572 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1573 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset, 1574 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1575 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset, 1576 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1577 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset, 1578 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1579 } 1580 1581 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1582 { 1583 struct drm_device *dev = encoder->dev; 1584 struct amdgpu_device *adev = drm_to_adev(dev); 1585 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1586 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1587 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1588 u32 dto_phase = 24 * 1000; 1589 u32 dto_modulo = clock; 1590 u32 tmp; 1591 1592 if (!dig || !dig->afmt) 1593 return; 1594 1595 /* XXX two dtos; generally use dto0 for hdmi */ 1596 /* Express [24MHz / target pixel clock] as an exact rational 1597 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1598 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1599 */ 1600 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE); 1601 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, 1602 amdgpu_crtc->crtc_id); 1603 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp); 1604 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1605 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1606 } 1607 1608 /* 1609 * update the info frames with the data from the current display mode 1610 */ 1611 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder, 1612 struct drm_display_mode *mode) 1613 { 1614 struct drm_device *dev = encoder->dev; 1615 struct amdgpu_device *adev = drm_to_adev(dev); 1616 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1617 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1618 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1619 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1620 struct hdmi_avi_infoframe frame; 1621 ssize_t err; 1622 u32 tmp; 1623 int bpc = 8; 1624 1625 if (!dig || !dig->afmt) 1626 return; 1627 1628 /* Silent, r600_hdmi_enable will raise WARN for us */ 1629 if (!dig->afmt->enabled) 1630 return; 1631 1632 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1633 if (encoder->crtc) { 1634 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1635 bpc = amdgpu_crtc->bpc; 1636 } 1637 1638 /* disable audio prior to setting up hw */ 1639 dig->afmt->pin = dce_v11_0_audio_get_pin(adev); 1640 dce_v11_0_audio_enable(adev, dig->afmt->pin, false); 1641 1642 dce_v11_0_audio_set_dto(encoder, mode->clock); 1643 1644 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1645 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); 1646 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */ 1647 1648 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000); 1649 1650 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset); 1651 switch (bpc) { 1652 case 0: 1653 case 6: 1654 case 8: 1655 case 16: 1656 default: 1657 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0); 1658 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); 1659 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1660 connector->name, bpc); 1661 break; 1662 case 10: 1663 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1664 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1); 1665 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1666 connector->name); 1667 break; 1668 case 12: 1669 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1670 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2); 1671 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1672 connector->name); 1673 break; 1674 } 1675 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp); 1676 1677 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1678 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */ 1679 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */ 1680 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */ 1681 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); 1682 1683 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1684 /* enable audio info frames (frames won't be set until audio is enabled) */ 1685 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); 1686 /* required for audio info values to be updated */ 1687 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1); 1688 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1689 1690 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset); 1691 /* required for audio info values to be updated */ 1692 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1); 1693 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1694 1695 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1696 /* anything other than 0 */ 1697 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2); 1698 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1699 1700 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */ 1701 1702 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1703 /* set the default audio delay */ 1704 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); 1705 /* should be suffient for all audio modes and small enough for all hblanks */ 1706 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3); 1707 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1708 1709 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1710 /* allow 60958 channel status fields to be updated */ 1711 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1); 1712 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1713 1714 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset); 1715 if (bpc > 8) 1716 /* clear SW CTS value */ 1717 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0); 1718 else 1719 /* select SW CTS value */ 1720 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1); 1721 /* allow hw to sent ACR packets when required */ 1722 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1); 1723 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp); 1724 1725 dce_v11_0_afmt_update_ACR(encoder, mode->clock); 1726 1727 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset); 1728 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1); 1729 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp); 1730 1731 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset); 1732 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2); 1733 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp); 1734 1735 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset); 1736 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3); 1737 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4); 1738 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5); 1739 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6); 1740 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7); 1741 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8); 1742 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp); 1743 1744 dce_v11_0_audio_write_speaker_allocation(encoder); 1745 1746 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, 1747 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1748 1749 dce_v11_0_afmt_audio_select_pin(encoder); 1750 dce_v11_0_audio_write_sad_regs(encoder); 1751 dce_v11_0_audio_write_latency_fields(encoder, mode); 1752 1753 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode); 1754 if (err < 0) { 1755 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1756 return; 1757 } 1758 1759 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1760 if (err < 0) { 1761 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1762 return; 1763 } 1764 1765 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1766 1767 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1768 /* enable AVI info frames */ 1769 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1); 1770 /* required for audio info values to be updated */ 1771 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1); 1772 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1773 1774 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1775 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2); 1776 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1777 1778 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1779 /* send audio packets */ 1780 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1); 1781 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1782 1783 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF); 1784 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF); 1785 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001); 1786 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001); 1787 1788 /* enable audio after to setting up hw */ 1789 dce_v11_0_audio_enable(adev, dig->afmt->pin, true); 1790 } 1791 1792 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1793 { 1794 struct drm_device *dev = encoder->dev; 1795 struct amdgpu_device *adev = drm_to_adev(dev); 1796 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1797 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1798 1799 if (!dig || !dig->afmt) 1800 return; 1801 1802 /* Silent, r600_hdmi_enable will raise WARN for us */ 1803 if (enable && dig->afmt->enabled) 1804 return; 1805 if (!enable && !dig->afmt->enabled) 1806 return; 1807 1808 if (!enable && dig->afmt->pin) { 1809 dce_v11_0_audio_enable(adev, dig->afmt->pin, false); 1810 dig->afmt->pin = NULL; 1811 } 1812 1813 dig->afmt->enabled = enable; 1814 1815 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1816 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1817 } 1818 1819 static int dce_v11_0_afmt_init(struct amdgpu_device *adev) 1820 { 1821 int i; 1822 1823 for (i = 0; i < adev->mode_info.num_dig; i++) 1824 adev->mode_info.afmt[i] = NULL; 1825 1826 /* DCE11 has audio blocks tied to DIG encoders */ 1827 for (i = 0; i < adev->mode_info.num_dig; i++) { 1828 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL); 1829 if (adev->mode_info.afmt[i]) { 1830 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1831 adev->mode_info.afmt[i]->id = i; 1832 } else { 1833 int j; 1834 for (j = 0; j < i; j++) { 1835 kfree(adev->mode_info.afmt[j]); 1836 adev->mode_info.afmt[j] = NULL; 1837 } 1838 return -ENOMEM; 1839 } 1840 } 1841 return 0; 1842 } 1843 1844 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev) 1845 { 1846 int i; 1847 1848 for (i = 0; i < adev->mode_info.num_dig; i++) { 1849 kfree(adev->mode_info.afmt[i]); 1850 adev->mode_info.afmt[i] = NULL; 1851 } 1852 } 1853 1854 static const u32 vga_control_regs[6] = 1855 { 1856 mmD1VGA_CONTROL, 1857 mmD2VGA_CONTROL, 1858 mmD3VGA_CONTROL, 1859 mmD4VGA_CONTROL, 1860 mmD5VGA_CONTROL, 1861 mmD6VGA_CONTROL, 1862 }; 1863 1864 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable) 1865 { 1866 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1867 struct drm_device *dev = crtc->dev; 1868 struct amdgpu_device *adev = drm_to_adev(dev); 1869 u32 vga_control; 1870 1871 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1872 if (enable) 1873 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1874 else 1875 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1876 } 1877 1878 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable) 1879 { 1880 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1881 struct drm_device *dev = crtc->dev; 1882 struct amdgpu_device *adev = drm_to_adev(dev); 1883 1884 if (enable) 1885 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1886 else 1887 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1888 } 1889 1890 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc, 1891 struct drm_framebuffer *fb, 1892 int x, int y, int atomic) 1893 { 1894 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1895 struct drm_device *dev = crtc->dev; 1896 struct amdgpu_device *adev = drm_to_adev(dev); 1897 struct drm_framebuffer *target_fb; 1898 struct drm_gem_object *obj; 1899 struct amdgpu_bo *abo; 1900 uint64_t fb_location, tiling_flags; 1901 uint32_t fb_format, fb_pitch_pixels; 1902 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE); 1903 u32 pipe_config; 1904 u32 tmp, viewport_w, viewport_h; 1905 int r; 1906 bool bypass_lut = false; 1907 struct drm_format_name_buf format_name; 1908 1909 /* no fb bound */ 1910 if (!atomic && !crtc->primary->fb) { 1911 DRM_DEBUG_KMS("No FB bound\n"); 1912 return 0; 1913 } 1914 1915 if (atomic) 1916 target_fb = fb; 1917 else 1918 target_fb = crtc->primary->fb; 1919 1920 /* If atomic, assume fb object is pinned & idle & fenced and 1921 * just update base pointers 1922 */ 1923 obj = target_fb->obj[0]; 1924 abo = gem_to_amdgpu_bo(obj); 1925 r = amdgpu_bo_reserve(abo, false); 1926 if (unlikely(r != 0)) 1927 return r; 1928 1929 if (!atomic) { 1930 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM); 1931 if (unlikely(r != 0)) { 1932 amdgpu_bo_unreserve(abo); 1933 return -EINVAL; 1934 } 1935 } 1936 fb_location = amdgpu_bo_gpu_offset(abo); 1937 1938 amdgpu_bo_get_tiling_flags(abo, &tiling_flags); 1939 amdgpu_bo_unreserve(abo); 1940 1941 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 1942 1943 switch (target_fb->format->format) { 1944 case DRM_FORMAT_C8: 1945 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0); 1946 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1947 break; 1948 case DRM_FORMAT_XRGB4444: 1949 case DRM_FORMAT_ARGB4444: 1950 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1951 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2); 1952 #ifdef __BIG_ENDIAN 1953 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1954 ENDIAN_8IN16); 1955 #endif 1956 break; 1957 case DRM_FORMAT_XRGB1555: 1958 case DRM_FORMAT_ARGB1555: 1959 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1960 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1961 #ifdef __BIG_ENDIAN 1962 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1963 ENDIAN_8IN16); 1964 #endif 1965 break; 1966 case DRM_FORMAT_BGRX5551: 1967 case DRM_FORMAT_BGRA5551: 1968 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1969 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5); 1970 #ifdef __BIG_ENDIAN 1971 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1972 ENDIAN_8IN16); 1973 #endif 1974 break; 1975 case DRM_FORMAT_RGB565: 1976 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1977 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1978 #ifdef __BIG_ENDIAN 1979 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1980 ENDIAN_8IN16); 1981 #endif 1982 break; 1983 case DRM_FORMAT_XRGB8888: 1984 case DRM_FORMAT_ARGB8888: 1985 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1986 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1987 #ifdef __BIG_ENDIAN 1988 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1989 ENDIAN_8IN32); 1990 #endif 1991 break; 1992 case DRM_FORMAT_XRGB2101010: 1993 case DRM_FORMAT_ARGB2101010: 1994 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1995 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1996 #ifdef __BIG_ENDIAN 1997 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1998 ENDIAN_8IN32); 1999 #endif 2000 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2001 bypass_lut = true; 2002 break; 2003 case DRM_FORMAT_BGRX1010102: 2004 case DRM_FORMAT_BGRA1010102: 2005 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2006 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4); 2007 #ifdef __BIG_ENDIAN 2008 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2009 ENDIAN_8IN32); 2010 #endif 2011 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2012 bypass_lut = true; 2013 break; 2014 case DRM_FORMAT_XBGR8888: 2015 case DRM_FORMAT_ABGR8888: 2016 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2017 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 2018 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2); 2019 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2); 2020 #ifdef __BIG_ENDIAN 2021 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2022 ENDIAN_8IN32); 2023 #endif 2024 break; 2025 default: 2026 DRM_ERROR("Unsupported screen format %s\n", 2027 drm_get_format_name(target_fb->format->format, &format_name)); 2028 return -EINVAL; 2029 } 2030 2031 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 2032 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 2033 2034 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 2035 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 2036 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 2037 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 2038 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 2039 2040 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks); 2041 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2042 ARRAY_2D_TILED_THIN1); 2043 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT, 2044 tile_split); 2045 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw); 2046 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh); 2047 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT, 2048 mtaspect); 2049 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE, 2050 ADDR_SURF_MICRO_TILING_DISPLAY); 2051 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 2052 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2053 ARRAY_1D_TILED_THIN1); 2054 } 2055 2056 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG, 2057 pipe_config); 2058 2059 dce_v11_0_vga_enable(crtc, false); 2060 2061 /* Make sure surface address is updated at vertical blank rather than 2062 * horizontal blank 2063 */ 2064 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2065 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 2066 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0); 2067 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2068 2069 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2070 upper_32_bits(fb_location)); 2071 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2072 upper_32_bits(fb_location)); 2073 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2074 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2075 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2076 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2077 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2078 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2079 2080 /* 2081 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2082 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2083 * retain the full precision throughout the pipeline. 2084 */ 2085 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset); 2086 if (bypass_lut) 2087 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1); 2088 else 2089 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0); 2090 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp); 2091 2092 if (bypass_lut) 2093 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2094 2095 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2096 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2097 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2098 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2099 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2100 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2101 2102 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 2103 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2104 2105 dce_v11_0_grph_enable(crtc, true); 2106 2107 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2108 target_fb->height); 2109 2110 x &= ~3; 2111 y &= ~1; 2112 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2113 (x << 16) | y); 2114 viewport_w = crtc->mode.hdisplay; 2115 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2116 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2117 (viewport_w << 16) | viewport_h); 2118 2119 /* set pageflip to happen anywhere in vblank interval */ 2120 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); 2121 2122 if (!atomic && fb && fb != crtc->primary->fb) { 2123 abo = gem_to_amdgpu_bo(fb->obj[0]); 2124 r = amdgpu_bo_reserve(abo, true); 2125 if (unlikely(r != 0)) 2126 return r; 2127 amdgpu_bo_unpin(abo); 2128 amdgpu_bo_unreserve(abo); 2129 } 2130 2131 /* Bytes per pixel may have changed */ 2132 dce_v11_0_bandwidth_update(adev); 2133 2134 return 0; 2135 } 2136 2137 static void dce_v11_0_set_interleave(struct drm_crtc *crtc, 2138 struct drm_display_mode *mode) 2139 { 2140 struct drm_device *dev = crtc->dev; 2141 struct amdgpu_device *adev = drm_to_adev(dev); 2142 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2143 u32 tmp; 2144 2145 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset); 2146 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2147 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1); 2148 else 2149 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0); 2150 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp); 2151 } 2152 2153 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc) 2154 { 2155 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2156 struct drm_device *dev = crtc->dev; 2157 struct amdgpu_device *adev = drm_to_adev(dev); 2158 u16 *r, *g, *b; 2159 int i; 2160 u32 tmp; 2161 2162 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2163 2164 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2165 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0); 2166 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2167 2168 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset); 2169 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1); 2170 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2171 2172 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2173 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0); 2174 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2175 2176 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2177 2178 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2179 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2180 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2181 2182 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2183 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2184 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2185 2186 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2187 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2188 2189 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2190 r = crtc->gamma_store; 2191 g = r + crtc->gamma_size; 2192 b = g + crtc->gamma_size; 2193 for (i = 0; i < 256; i++) { 2194 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2195 ((*r++ & 0xffc0) << 14) | 2196 ((*g++ & 0xffc0) << 4) | 2197 (*b++ >> 6)); 2198 } 2199 2200 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2201 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0); 2202 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0); 2203 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0); 2204 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2205 2206 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset); 2207 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0); 2208 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2209 2210 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2211 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0); 2212 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2213 2214 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2215 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0); 2216 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2217 2218 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2219 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0); 2220 /* XXX this only needs to be programmed once per crtc at startup, 2221 * not sure where the best place for it is 2222 */ 2223 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset); 2224 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1); 2225 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2226 } 2227 2228 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder) 2229 { 2230 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2231 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2232 2233 switch (amdgpu_encoder->encoder_id) { 2234 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2235 if (dig->linkb) 2236 return 1; 2237 else 2238 return 0; 2239 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2240 if (dig->linkb) 2241 return 3; 2242 else 2243 return 2; 2244 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2245 if (dig->linkb) 2246 return 5; 2247 else 2248 return 4; 2249 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2250 return 6; 2251 default: 2252 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2253 return 0; 2254 } 2255 } 2256 2257 /** 2258 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc. 2259 * 2260 * @crtc: drm crtc 2261 * 2262 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2263 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2264 * monitors a dedicated PPLL must be used. If a particular board has 2265 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2266 * as there is no need to program the PLL itself. If we are not able to 2267 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2268 * avoid messing up an existing monitor. 2269 * 2270 * Asic specific PLL information 2271 * 2272 * DCE 10.x 2273 * Tonga 2274 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2275 * CI 2276 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2277 * 2278 */ 2279 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc) 2280 { 2281 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2282 struct drm_device *dev = crtc->dev; 2283 struct amdgpu_device *adev = drm_to_adev(dev); 2284 u32 pll_in_use; 2285 int pll; 2286 2287 if ((adev->asic_type == CHIP_POLARIS10) || 2288 (adev->asic_type == CHIP_POLARIS11) || 2289 (adev->asic_type == CHIP_POLARIS12) || 2290 (adev->asic_type == CHIP_VEGAM)) { 2291 struct amdgpu_encoder *amdgpu_encoder = 2292 to_amdgpu_encoder(amdgpu_crtc->encoder); 2293 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2294 2295 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2296 return ATOM_DP_DTO; 2297 2298 switch (amdgpu_encoder->encoder_id) { 2299 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2300 if (dig->linkb) 2301 return ATOM_COMBOPHY_PLL1; 2302 else 2303 return ATOM_COMBOPHY_PLL0; 2304 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2305 if (dig->linkb) 2306 return ATOM_COMBOPHY_PLL3; 2307 else 2308 return ATOM_COMBOPHY_PLL2; 2309 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2310 if (dig->linkb) 2311 return ATOM_COMBOPHY_PLL5; 2312 else 2313 return ATOM_COMBOPHY_PLL4; 2314 default: 2315 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2316 return ATOM_PPLL_INVALID; 2317 } 2318 } 2319 2320 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2321 if (adev->clock.dp_extclk) 2322 /* skip PPLL programming if using ext clock */ 2323 return ATOM_PPLL_INVALID; 2324 else { 2325 /* use the same PPLL for all DP monitors */ 2326 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2327 if (pll != ATOM_PPLL_INVALID) 2328 return pll; 2329 } 2330 } else { 2331 /* use the same PPLL for all monitors with the same clock */ 2332 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2333 if (pll != ATOM_PPLL_INVALID) 2334 return pll; 2335 } 2336 2337 /* XXX need to determine what plls are available on each DCE11 part */ 2338 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2339 if (adev->flags & AMD_IS_APU) { 2340 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2341 return ATOM_PPLL1; 2342 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2343 return ATOM_PPLL0; 2344 DRM_ERROR("unable to allocate a PPLL\n"); 2345 return ATOM_PPLL_INVALID; 2346 } else { 2347 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2348 return ATOM_PPLL2; 2349 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2350 return ATOM_PPLL1; 2351 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2352 return ATOM_PPLL0; 2353 DRM_ERROR("unable to allocate a PPLL\n"); 2354 return ATOM_PPLL_INVALID; 2355 } 2356 return ATOM_PPLL_INVALID; 2357 } 2358 2359 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2360 { 2361 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2362 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2363 uint32_t cur_lock; 2364 2365 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2366 if (lock) 2367 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1); 2368 else 2369 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0); 2370 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2371 } 2372 2373 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc) 2374 { 2375 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2376 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2377 u32 tmp; 2378 2379 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2380 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0); 2381 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2382 } 2383 2384 static void dce_v11_0_show_cursor(struct drm_crtc *crtc) 2385 { 2386 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2387 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2388 u32 tmp; 2389 2390 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2391 upper_32_bits(amdgpu_crtc->cursor_addr)); 2392 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2393 lower_32_bits(amdgpu_crtc->cursor_addr)); 2394 2395 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2396 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1); 2397 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2); 2398 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2399 } 2400 2401 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc, 2402 int x, int y) 2403 { 2404 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2405 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2406 int xorigin = 0, yorigin = 0; 2407 2408 amdgpu_crtc->cursor_x = x; 2409 amdgpu_crtc->cursor_y = y; 2410 2411 /* avivo cursor are offset into the total surface */ 2412 x += crtc->x; 2413 y += crtc->y; 2414 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2415 2416 if (x < 0) { 2417 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2418 x = 0; 2419 } 2420 if (y < 0) { 2421 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2422 y = 0; 2423 } 2424 2425 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2426 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2427 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2428 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2429 2430 return 0; 2431 } 2432 2433 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc, 2434 int x, int y) 2435 { 2436 int ret; 2437 2438 dce_v11_0_lock_cursor(crtc, true); 2439 ret = dce_v11_0_cursor_move_locked(crtc, x, y); 2440 dce_v11_0_lock_cursor(crtc, false); 2441 2442 return ret; 2443 } 2444 2445 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc, 2446 struct drm_file *file_priv, 2447 uint32_t handle, 2448 uint32_t width, 2449 uint32_t height, 2450 int32_t hot_x, 2451 int32_t hot_y) 2452 { 2453 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2454 struct drm_gem_object *obj; 2455 struct amdgpu_bo *aobj; 2456 int ret; 2457 2458 if (!handle) { 2459 /* turn off cursor */ 2460 dce_v11_0_hide_cursor(crtc); 2461 obj = NULL; 2462 goto unpin; 2463 } 2464 2465 if ((width > amdgpu_crtc->max_cursor_width) || 2466 (height > amdgpu_crtc->max_cursor_height)) { 2467 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2468 return -EINVAL; 2469 } 2470 2471 obj = drm_gem_object_lookup(file_priv, handle); 2472 if (!obj) { 2473 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2474 return -ENOENT; 2475 } 2476 2477 aobj = gem_to_amdgpu_bo(obj); 2478 ret = amdgpu_bo_reserve(aobj, false); 2479 if (ret != 0) { 2480 drm_gem_object_put(obj); 2481 return ret; 2482 } 2483 2484 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); 2485 amdgpu_bo_unreserve(aobj); 2486 if (ret) { 2487 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2488 drm_gem_object_put(obj); 2489 return ret; 2490 } 2491 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); 2492 2493 dce_v11_0_lock_cursor(crtc, true); 2494 2495 if (width != amdgpu_crtc->cursor_width || 2496 height != amdgpu_crtc->cursor_height || 2497 hot_x != amdgpu_crtc->cursor_hot_x || 2498 hot_y != amdgpu_crtc->cursor_hot_y) { 2499 int x, y; 2500 2501 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2502 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2503 2504 dce_v11_0_cursor_move_locked(crtc, x, y); 2505 2506 amdgpu_crtc->cursor_width = width; 2507 amdgpu_crtc->cursor_height = height; 2508 amdgpu_crtc->cursor_hot_x = hot_x; 2509 amdgpu_crtc->cursor_hot_y = hot_y; 2510 } 2511 2512 dce_v11_0_show_cursor(crtc); 2513 dce_v11_0_lock_cursor(crtc, false); 2514 2515 unpin: 2516 if (amdgpu_crtc->cursor_bo) { 2517 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2518 ret = amdgpu_bo_reserve(aobj, true); 2519 if (likely(ret == 0)) { 2520 amdgpu_bo_unpin(aobj); 2521 amdgpu_bo_unreserve(aobj); 2522 } 2523 drm_gem_object_put(amdgpu_crtc->cursor_bo); 2524 } 2525 2526 amdgpu_crtc->cursor_bo = obj; 2527 return 0; 2528 } 2529 2530 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc) 2531 { 2532 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2533 2534 if (amdgpu_crtc->cursor_bo) { 2535 dce_v11_0_lock_cursor(crtc, true); 2536 2537 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2538 amdgpu_crtc->cursor_y); 2539 2540 dce_v11_0_show_cursor(crtc); 2541 2542 dce_v11_0_lock_cursor(crtc, false); 2543 } 2544 } 2545 2546 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2547 u16 *blue, uint32_t size, 2548 struct drm_modeset_acquire_ctx *ctx) 2549 { 2550 dce_v11_0_crtc_load_lut(crtc); 2551 2552 return 0; 2553 } 2554 2555 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc) 2556 { 2557 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2558 2559 drm_crtc_cleanup(crtc); 2560 kfree(amdgpu_crtc); 2561 } 2562 2563 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = { 2564 .cursor_set2 = dce_v11_0_crtc_cursor_set2, 2565 .cursor_move = dce_v11_0_crtc_cursor_move, 2566 .gamma_set = dce_v11_0_crtc_gamma_set, 2567 .set_config = amdgpu_display_crtc_set_config, 2568 .destroy = dce_v11_0_crtc_destroy, 2569 .page_flip_target = amdgpu_display_crtc_page_flip_target, 2570 .get_vblank_counter = amdgpu_get_vblank_counter_kms, 2571 .enable_vblank = amdgpu_enable_vblank_kms, 2572 .disable_vblank = amdgpu_disable_vblank_kms, 2573 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp, 2574 }; 2575 2576 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2577 { 2578 struct drm_device *dev = crtc->dev; 2579 struct amdgpu_device *adev = drm_to_adev(dev); 2580 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2581 unsigned type; 2582 2583 switch (mode) { 2584 case DRM_MODE_DPMS_ON: 2585 amdgpu_crtc->enabled = true; 2586 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2587 dce_v11_0_vga_enable(crtc, true); 2588 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2589 dce_v11_0_vga_enable(crtc, false); 2590 /* Make sure VBLANK and PFLIP interrupts are still enabled */ 2591 type = amdgpu_display_crtc_idx_to_irq_type(adev, 2592 amdgpu_crtc->crtc_id); 2593 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2594 amdgpu_irq_update(adev, &adev->pageflip_irq, type); 2595 drm_crtc_vblank_on(crtc); 2596 dce_v11_0_crtc_load_lut(crtc); 2597 break; 2598 case DRM_MODE_DPMS_STANDBY: 2599 case DRM_MODE_DPMS_SUSPEND: 2600 case DRM_MODE_DPMS_OFF: 2601 drm_crtc_vblank_off(crtc); 2602 if (amdgpu_crtc->enabled) { 2603 dce_v11_0_vga_enable(crtc, true); 2604 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2605 dce_v11_0_vga_enable(crtc, false); 2606 } 2607 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2608 amdgpu_crtc->enabled = false; 2609 break; 2610 } 2611 /* adjust pm to dpms */ 2612 amdgpu_pm_compute_clocks(adev); 2613 } 2614 2615 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc) 2616 { 2617 /* disable crtc pair power gating before programming */ 2618 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2619 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2620 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2621 } 2622 2623 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc) 2624 { 2625 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2626 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2627 } 2628 2629 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc) 2630 { 2631 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2632 struct drm_device *dev = crtc->dev; 2633 struct amdgpu_device *adev = drm_to_adev(dev); 2634 struct amdgpu_atom_ss ss; 2635 int i; 2636 2637 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2638 if (crtc->primary->fb) { 2639 int r; 2640 struct amdgpu_bo *abo; 2641 2642 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]); 2643 r = amdgpu_bo_reserve(abo, true); 2644 if (unlikely(r)) 2645 DRM_ERROR("failed to reserve abo before unpin\n"); 2646 else { 2647 amdgpu_bo_unpin(abo); 2648 amdgpu_bo_unreserve(abo); 2649 } 2650 } 2651 /* disable the GRPH */ 2652 dce_v11_0_grph_enable(crtc, false); 2653 2654 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2655 2656 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2657 if (adev->mode_info.crtcs[i] && 2658 adev->mode_info.crtcs[i]->enabled && 2659 i != amdgpu_crtc->crtc_id && 2660 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2661 /* one other crtc is using this pll don't turn 2662 * off the pll 2663 */ 2664 goto done; 2665 } 2666 } 2667 2668 switch (amdgpu_crtc->pll_id) { 2669 case ATOM_PPLL0: 2670 case ATOM_PPLL1: 2671 case ATOM_PPLL2: 2672 /* disable the ppll */ 2673 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2674 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2675 break; 2676 case ATOM_COMBOPHY_PLL0: 2677 case ATOM_COMBOPHY_PLL1: 2678 case ATOM_COMBOPHY_PLL2: 2679 case ATOM_COMBOPHY_PLL3: 2680 case ATOM_COMBOPHY_PLL4: 2681 case ATOM_COMBOPHY_PLL5: 2682 /* disable the ppll */ 2683 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id, 2684 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2685 break; 2686 default: 2687 break; 2688 } 2689 done: 2690 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2691 amdgpu_crtc->adjusted_clock = 0; 2692 amdgpu_crtc->encoder = NULL; 2693 amdgpu_crtc->connector = NULL; 2694 } 2695 2696 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc, 2697 struct drm_display_mode *mode, 2698 struct drm_display_mode *adjusted_mode, 2699 int x, int y, struct drm_framebuffer *old_fb) 2700 { 2701 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2702 struct drm_device *dev = crtc->dev; 2703 struct amdgpu_device *adev = drm_to_adev(dev); 2704 2705 if (!amdgpu_crtc->adjusted_clock) 2706 return -EINVAL; 2707 2708 if ((adev->asic_type == CHIP_POLARIS10) || 2709 (adev->asic_type == CHIP_POLARIS11) || 2710 (adev->asic_type == CHIP_POLARIS12) || 2711 (adev->asic_type == CHIP_VEGAM)) { 2712 struct amdgpu_encoder *amdgpu_encoder = 2713 to_amdgpu_encoder(amdgpu_crtc->encoder); 2714 int encoder_mode = 2715 amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder); 2716 2717 /* SetPixelClock calculates the plls and ss values now */ 2718 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, 2719 amdgpu_crtc->pll_id, 2720 encoder_mode, amdgpu_encoder->encoder_id, 2721 adjusted_mode->clock, 0, 0, 0, 0, 2722 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss); 2723 } else { 2724 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2725 } 2726 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2727 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2728 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2729 amdgpu_atombios_crtc_scaler_setup(crtc); 2730 dce_v11_0_cursor_reset(crtc); 2731 /* update the hw version fpr dpm */ 2732 amdgpu_crtc->hw_mode = *adjusted_mode; 2733 2734 return 0; 2735 } 2736 2737 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc, 2738 const struct drm_display_mode *mode, 2739 struct drm_display_mode *adjusted_mode) 2740 { 2741 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2742 struct drm_device *dev = crtc->dev; 2743 struct drm_encoder *encoder; 2744 2745 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2746 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2747 if (encoder->crtc == crtc) { 2748 amdgpu_crtc->encoder = encoder; 2749 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2750 break; 2751 } 2752 } 2753 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2754 amdgpu_crtc->encoder = NULL; 2755 amdgpu_crtc->connector = NULL; 2756 return false; 2757 } 2758 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2759 return false; 2760 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2761 return false; 2762 /* pick pll */ 2763 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc); 2764 /* if we can't get a PPLL for a non-DP encoder, fail */ 2765 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2766 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2767 return false; 2768 2769 return true; 2770 } 2771 2772 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2773 struct drm_framebuffer *old_fb) 2774 { 2775 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2776 } 2777 2778 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc, 2779 struct drm_framebuffer *fb, 2780 int x, int y, enum mode_set_atomic state) 2781 { 2782 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1); 2783 } 2784 2785 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = { 2786 .dpms = dce_v11_0_crtc_dpms, 2787 .mode_fixup = dce_v11_0_crtc_mode_fixup, 2788 .mode_set = dce_v11_0_crtc_mode_set, 2789 .mode_set_base = dce_v11_0_crtc_set_base, 2790 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic, 2791 .prepare = dce_v11_0_crtc_prepare, 2792 .commit = dce_v11_0_crtc_commit, 2793 .disable = dce_v11_0_crtc_disable, 2794 .get_scanout_position = amdgpu_crtc_get_scanout_position, 2795 }; 2796 2797 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index) 2798 { 2799 struct amdgpu_crtc *amdgpu_crtc; 2800 2801 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2802 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2803 if (amdgpu_crtc == NULL) 2804 return -ENOMEM; 2805 2806 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs); 2807 2808 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2809 amdgpu_crtc->crtc_id = index; 2810 adev->mode_info.crtcs[index] = amdgpu_crtc; 2811 2812 amdgpu_crtc->max_cursor_width = 128; 2813 amdgpu_crtc->max_cursor_height = 128; 2814 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2815 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2816 2817 switch (amdgpu_crtc->crtc_id) { 2818 case 0: 2819 default: 2820 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET; 2821 break; 2822 case 1: 2823 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET; 2824 break; 2825 case 2: 2826 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET; 2827 break; 2828 case 3: 2829 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET; 2830 break; 2831 case 4: 2832 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET; 2833 break; 2834 case 5: 2835 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET; 2836 break; 2837 } 2838 2839 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2840 amdgpu_crtc->adjusted_clock = 0; 2841 amdgpu_crtc->encoder = NULL; 2842 amdgpu_crtc->connector = NULL; 2843 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs); 2844 2845 return 0; 2846 } 2847 2848 static int dce_v11_0_early_init(void *handle) 2849 { 2850 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2851 2852 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg; 2853 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg; 2854 2855 dce_v11_0_set_display_funcs(adev); 2856 2857 adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev); 2858 2859 switch (adev->asic_type) { 2860 case CHIP_CARRIZO: 2861 adev->mode_info.num_hpd = 6; 2862 adev->mode_info.num_dig = 9; 2863 break; 2864 case CHIP_STONEY: 2865 adev->mode_info.num_hpd = 6; 2866 adev->mode_info.num_dig = 9; 2867 break; 2868 case CHIP_POLARIS10: 2869 case CHIP_VEGAM: 2870 adev->mode_info.num_hpd = 6; 2871 adev->mode_info.num_dig = 6; 2872 break; 2873 case CHIP_POLARIS11: 2874 case CHIP_POLARIS12: 2875 adev->mode_info.num_hpd = 5; 2876 adev->mode_info.num_dig = 5; 2877 break; 2878 default: 2879 /* FIXME: not supported yet */ 2880 return -EINVAL; 2881 } 2882 2883 dce_v11_0_set_irq_funcs(adev); 2884 2885 return 0; 2886 } 2887 2888 static int dce_v11_0_sw_init(void *handle) 2889 { 2890 int r, i; 2891 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2892 2893 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2894 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq); 2895 if (r) 2896 return r; 2897 } 2898 2899 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) { 2900 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq); 2901 if (r) 2902 return r; 2903 } 2904 2905 /* HPD hotplug */ 2906 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); 2907 if (r) 2908 return r; 2909 2910 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs; 2911 2912 adev_to_drm(adev)->mode_config.async_page_flip = true; 2913 2914 adev_to_drm(adev)->mode_config.max_width = 16384; 2915 adev_to_drm(adev)->mode_config.max_height = 16384; 2916 2917 adev_to_drm(adev)->mode_config.preferred_depth = 24; 2918 adev_to_drm(adev)->mode_config.prefer_shadow = 1; 2919 2920 adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base; 2921 2922 r = amdgpu_display_modeset_create_props(adev); 2923 if (r) 2924 return r; 2925 2926 adev_to_drm(adev)->mode_config.max_width = 16384; 2927 adev_to_drm(adev)->mode_config.max_height = 16384; 2928 2929 2930 /* allocate crtcs */ 2931 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2932 r = dce_v11_0_crtc_init(adev, i); 2933 if (r) 2934 return r; 2935 } 2936 2937 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 2938 amdgpu_display_print_display_setup(adev_to_drm(adev)); 2939 else 2940 return -EINVAL; 2941 2942 /* setup afmt */ 2943 r = dce_v11_0_afmt_init(adev); 2944 if (r) 2945 return r; 2946 2947 r = dce_v11_0_audio_init(adev); 2948 if (r) 2949 return r; 2950 2951 drm_kms_helper_poll_init(adev_to_drm(adev)); 2952 2953 adev->mode_info.mode_config_initialized = true; 2954 return 0; 2955 } 2956 2957 static int dce_v11_0_sw_fini(void *handle) 2958 { 2959 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2960 2961 kfree(adev->mode_info.bios_hardcoded_edid); 2962 2963 drm_kms_helper_poll_fini(adev_to_drm(adev)); 2964 2965 dce_v11_0_audio_fini(adev); 2966 2967 dce_v11_0_afmt_fini(adev); 2968 2969 drm_mode_config_cleanup(adev_to_drm(adev)); 2970 adev->mode_info.mode_config_initialized = false; 2971 2972 return 0; 2973 } 2974 2975 static int dce_v11_0_hw_init(void *handle) 2976 { 2977 int i; 2978 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2979 2980 dce_v11_0_init_golden_registers(adev); 2981 2982 /* disable vga render */ 2983 dce_v11_0_set_vga_render_state(adev, false); 2984 /* init dig PHYs, disp eng pll */ 2985 amdgpu_atombios_crtc_powergate_init(adev); 2986 amdgpu_atombios_encoder_init_dig(adev); 2987 if ((adev->asic_type == CHIP_POLARIS10) || 2988 (adev->asic_type == CHIP_POLARIS11) || 2989 (adev->asic_type == CHIP_POLARIS12) || 2990 (adev->asic_type == CHIP_VEGAM)) { 2991 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk, 2992 DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS); 2993 amdgpu_atombios_crtc_set_dce_clock(adev, 0, 2994 DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS); 2995 } else { 2996 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 2997 } 2998 2999 /* initialize hpd */ 3000 dce_v11_0_hpd_init(adev); 3001 3002 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 3003 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 3004 } 3005 3006 dce_v11_0_pageflip_interrupt_init(adev); 3007 3008 return 0; 3009 } 3010 3011 static int dce_v11_0_hw_fini(void *handle) 3012 { 3013 int i; 3014 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3015 3016 dce_v11_0_hpd_fini(adev); 3017 3018 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 3019 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 3020 } 3021 3022 dce_v11_0_pageflip_interrupt_fini(adev); 3023 3024 return 0; 3025 } 3026 3027 static int dce_v11_0_suspend(void *handle) 3028 { 3029 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3030 int r; 3031 3032 r = amdgpu_display_suspend_helper(adev); 3033 if (r) 3034 return r; 3035 3036 adev->mode_info.bl_level = 3037 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev); 3038 3039 return dce_v11_0_hw_fini(handle); 3040 } 3041 3042 static int dce_v11_0_resume(void *handle) 3043 { 3044 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3045 int ret; 3046 3047 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev, 3048 adev->mode_info.bl_level); 3049 3050 ret = dce_v11_0_hw_init(handle); 3051 3052 /* turn on the BL */ 3053 if (adev->mode_info.bl_encoder) { 3054 u8 bl_level = amdgpu_display_backlight_get_level(adev, 3055 adev->mode_info.bl_encoder); 3056 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 3057 bl_level); 3058 } 3059 if (ret) 3060 return ret; 3061 3062 return amdgpu_display_resume_helper(adev); 3063 } 3064 3065 static bool dce_v11_0_is_idle(void *handle) 3066 { 3067 return true; 3068 } 3069 3070 static int dce_v11_0_wait_for_idle(void *handle) 3071 { 3072 return 0; 3073 } 3074 3075 static int dce_v11_0_soft_reset(void *handle) 3076 { 3077 u32 srbm_soft_reset = 0, tmp; 3078 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3079 3080 if (dce_v11_0_is_display_hung(adev)) 3081 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 3082 3083 if (srbm_soft_reset) { 3084 tmp = RREG32(mmSRBM_SOFT_RESET); 3085 tmp |= srbm_soft_reset; 3086 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 3087 WREG32(mmSRBM_SOFT_RESET, tmp); 3088 tmp = RREG32(mmSRBM_SOFT_RESET); 3089 3090 udelay(50); 3091 3092 tmp &= ~srbm_soft_reset; 3093 WREG32(mmSRBM_SOFT_RESET, tmp); 3094 tmp = RREG32(mmSRBM_SOFT_RESET); 3095 3096 /* Wait a little for things to settle down */ 3097 udelay(50); 3098 } 3099 return 0; 3100 } 3101 3102 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 3103 int crtc, 3104 enum amdgpu_interrupt_state state) 3105 { 3106 u32 lb_interrupt_mask; 3107 3108 if (crtc >= adev->mode_info.num_crtc) { 3109 DRM_DEBUG("invalid crtc %d\n", crtc); 3110 return; 3111 } 3112 3113 switch (state) { 3114 case AMDGPU_IRQ_STATE_DISABLE: 3115 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3116 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3117 VBLANK_INTERRUPT_MASK, 0); 3118 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3119 break; 3120 case AMDGPU_IRQ_STATE_ENABLE: 3121 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3122 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3123 VBLANK_INTERRUPT_MASK, 1); 3124 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3125 break; 3126 default: 3127 break; 3128 } 3129 } 3130 3131 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3132 int crtc, 3133 enum amdgpu_interrupt_state state) 3134 { 3135 u32 lb_interrupt_mask; 3136 3137 if (crtc >= adev->mode_info.num_crtc) { 3138 DRM_DEBUG("invalid crtc %d\n", crtc); 3139 return; 3140 } 3141 3142 switch (state) { 3143 case AMDGPU_IRQ_STATE_DISABLE: 3144 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3145 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3146 VLINE_INTERRUPT_MASK, 0); 3147 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3148 break; 3149 case AMDGPU_IRQ_STATE_ENABLE: 3150 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3151 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3152 VLINE_INTERRUPT_MASK, 1); 3153 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3154 break; 3155 default: 3156 break; 3157 } 3158 } 3159 3160 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev, 3161 struct amdgpu_irq_src *source, 3162 unsigned hpd, 3163 enum amdgpu_interrupt_state state) 3164 { 3165 u32 tmp; 3166 3167 if (hpd >= adev->mode_info.num_hpd) { 3168 DRM_DEBUG("invalid hdp %d\n", hpd); 3169 return 0; 3170 } 3171 3172 switch (state) { 3173 case AMDGPU_IRQ_STATE_DISABLE: 3174 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3175 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 3176 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3177 break; 3178 case AMDGPU_IRQ_STATE_ENABLE: 3179 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3180 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1); 3181 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3182 break; 3183 default: 3184 break; 3185 } 3186 3187 return 0; 3188 } 3189 3190 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev, 3191 struct amdgpu_irq_src *source, 3192 unsigned type, 3193 enum amdgpu_interrupt_state state) 3194 { 3195 switch (type) { 3196 case AMDGPU_CRTC_IRQ_VBLANK1: 3197 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3198 break; 3199 case AMDGPU_CRTC_IRQ_VBLANK2: 3200 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3201 break; 3202 case AMDGPU_CRTC_IRQ_VBLANK3: 3203 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3204 break; 3205 case AMDGPU_CRTC_IRQ_VBLANK4: 3206 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3207 break; 3208 case AMDGPU_CRTC_IRQ_VBLANK5: 3209 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3210 break; 3211 case AMDGPU_CRTC_IRQ_VBLANK6: 3212 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3213 break; 3214 case AMDGPU_CRTC_IRQ_VLINE1: 3215 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state); 3216 break; 3217 case AMDGPU_CRTC_IRQ_VLINE2: 3218 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state); 3219 break; 3220 case AMDGPU_CRTC_IRQ_VLINE3: 3221 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state); 3222 break; 3223 case AMDGPU_CRTC_IRQ_VLINE4: 3224 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state); 3225 break; 3226 case AMDGPU_CRTC_IRQ_VLINE5: 3227 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state); 3228 break; 3229 case AMDGPU_CRTC_IRQ_VLINE6: 3230 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state); 3231 break; 3232 default: 3233 break; 3234 } 3235 return 0; 3236 } 3237 3238 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev, 3239 struct amdgpu_irq_src *src, 3240 unsigned type, 3241 enum amdgpu_interrupt_state state) 3242 { 3243 u32 reg; 3244 3245 if (type >= adev->mode_info.num_crtc) { 3246 DRM_ERROR("invalid pageflip crtc %d\n", type); 3247 return -EINVAL; 3248 } 3249 3250 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3251 if (state == AMDGPU_IRQ_STATE_DISABLE) 3252 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3253 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3254 else 3255 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3256 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3257 3258 return 0; 3259 } 3260 3261 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev, 3262 struct amdgpu_irq_src *source, 3263 struct amdgpu_iv_entry *entry) 3264 { 3265 unsigned long flags; 3266 unsigned crtc_id; 3267 struct amdgpu_crtc *amdgpu_crtc; 3268 struct amdgpu_flip_work *works; 3269 3270 crtc_id = (entry->src_id - 8) >> 1; 3271 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3272 3273 if (crtc_id >= adev->mode_info.num_crtc) { 3274 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3275 return -EINVAL; 3276 } 3277 3278 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3279 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3280 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3281 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3282 3283 /* IRQ could occur when in initial stage */ 3284 if(amdgpu_crtc == NULL) 3285 return 0; 3286 3287 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 3288 works = amdgpu_crtc->pflip_works; 3289 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){ 3290 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3291 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3292 amdgpu_crtc->pflip_status, 3293 AMDGPU_FLIP_SUBMITTED); 3294 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3295 return 0; 3296 } 3297 3298 /* page flip completed. clean up */ 3299 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3300 amdgpu_crtc->pflip_works = NULL; 3301 3302 /* wakeup usersapce */ 3303 if(works->event) 3304 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); 3305 3306 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3307 3308 drm_crtc_vblank_put(&amdgpu_crtc->base); 3309 schedule_work(&works->unpin_work); 3310 3311 return 0; 3312 } 3313 3314 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, 3315 int hpd) 3316 { 3317 u32 tmp; 3318 3319 if (hpd >= adev->mode_info.num_hpd) { 3320 DRM_DEBUG("invalid hdp %d\n", hpd); 3321 return; 3322 } 3323 3324 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3325 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1); 3326 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3327 } 3328 3329 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev, 3330 int crtc) 3331 { 3332 u32 tmp; 3333 3334 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { 3335 DRM_DEBUG("invalid crtc %d\n", crtc); 3336 return; 3337 } 3338 3339 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]); 3340 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1); 3341 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp); 3342 } 3343 3344 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev, 3345 int crtc) 3346 { 3347 u32 tmp; 3348 3349 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { 3350 DRM_DEBUG("invalid crtc %d\n", crtc); 3351 return; 3352 } 3353 3354 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]); 3355 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1); 3356 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp); 3357 } 3358 3359 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev, 3360 struct amdgpu_irq_src *source, 3361 struct amdgpu_iv_entry *entry) 3362 { 3363 unsigned crtc = entry->src_id - 1; 3364 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3365 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, 3366 crtc); 3367 3368 switch (entry->src_data[0]) { 3369 case 0: /* vblank */ 3370 if (disp_int & interrupt_status_offsets[crtc].vblank) 3371 dce_v11_0_crtc_vblank_int_ack(adev, crtc); 3372 else 3373 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3374 3375 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3376 drm_handle_vblank(adev_to_drm(adev), crtc); 3377 } 3378 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3379 3380 break; 3381 case 1: /* vline */ 3382 if (disp_int & interrupt_status_offsets[crtc].vline) 3383 dce_v11_0_crtc_vline_int_ack(adev, crtc); 3384 else 3385 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3386 3387 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3388 3389 break; 3390 default: 3391 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3392 break; 3393 } 3394 3395 return 0; 3396 } 3397 3398 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev, 3399 struct amdgpu_irq_src *source, 3400 struct amdgpu_iv_entry *entry) 3401 { 3402 uint32_t disp_int, mask; 3403 unsigned hpd; 3404 3405 if (entry->src_data[0] >= adev->mode_info.num_hpd) { 3406 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3407 return 0; 3408 } 3409 3410 hpd = entry->src_data[0]; 3411 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3412 mask = interrupt_status_offsets[hpd].hpd; 3413 3414 if (disp_int & mask) { 3415 dce_v11_0_hpd_int_ack(adev, hpd); 3416 schedule_work(&adev->hotplug_work); 3417 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3418 } 3419 3420 return 0; 3421 } 3422 3423 static int dce_v11_0_set_clockgating_state(void *handle, 3424 enum amd_clockgating_state state) 3425 { 3426 return 0; 3427 } 3428 3429 static int dce_v11_0_set_powergating_state(void *handle, 3430 enum amd_powergating_state state) 3431 { 3432 return 0; 3433 } 3434 3435 static const struct amd_ip_funcs dce_v11_0_ip_funcs = { 3436 .name = "dce_v11_0", 3437 .early_init = dce_v11_0_early_init, 3438 .late_init = NULL, 3439 .sw_init = dce_v11_0_sw_init, 3440 .sw_fini = dce_v11_0_sw_fini, 3441 .hw_init = dce_v11_0_hw_init, 3442 .hw_fini = dce_v11_0_hw_fini, 3443 .suspend = dce_v11_0_suspend, 3444 .resume = dce_v11_0_resume, 3445 .is_idle = dce_v11_0_is_idle, 3446 .wait_for_idle = dce_v11_0_wait_for_idle, 3447 .soft_reset = dce_v11_0_soft_reset, 3448 .set_clockgating_state = dce_v11_0_set_clockgating_state, 3449 .set_powergating_state = dce_v11_0_set_powergating_state, 3450 }; 3451 3452 static void 3453 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder, 3454 struct drm_display_mode *mode, 3455 struct drm_display_mode *adjusted_mode) 3456 { 3457 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3458 3459 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3460 3461 /* need to call this here rather than in prepare() since we need some crtc info */ 3462 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3463 3464 /* set scaler clears this on some chips */ 3465 dce_v11_0_set_interleave(encoder->crtc, mode); 3466 3467 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3468 dce_v11_0_afmt_enable(encoder, true); 3469 dce_v11_0_afmt_setmode(encoder, adjusted_mode); 3470 } 3471 } 3472 3473 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder) 3474 { 3475 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 3476 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3477 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3478 3479 if ((amdgpu_encoder->active_device & 3480 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3481 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3482 ENCODER_OBJECT_ID_NONE)) { 3483 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3484 if (dig) { 3485 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder); 3486 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3487 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3488 } 3489 } 3490 3491 amdgpu_atombios_scratch_regs_lock(adev, true); 3492 3493 if (connector) { 3494 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3495 3496 /* select the clock/data port if it uses a router */ 3497 if (amdgpu_connector->router.cd_valid) 3498 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3499 3500 /* turn eDP panel on for mode set */ 3501 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3502 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3503 ATOM_TRANSMITTER_ACTION_POWER_ON); 3504 } 3505 3506 /* this is needed for the pll/ss setup to work correctly in some cases */ 3507 amdgpu_atombios_encoder_set_crtc_source(encoder); 3508 /* set up the FMT blocks */ 3509 dce_v11_0_program_fmt(encoder); 3510 } 3511 3512 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder) 3513 { 3514 struct drm_device *dev = encoder->dev; 3515 struct amdgpu_device *adev = drm_to_adev(dev); 3516 3517 /* need to call this here as we need the crtc set up */ 3518 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3519 amdgpu_atombios_scratch_regs_lock(adev, false); 3520 } 3521 3522 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder) 3523 { 3524 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3525 struct amdgpu_encoder_atom_dig *dig; 3526 3527 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3528 3529 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3530 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3531 dce_v11_0_afmt_enable(encoder, false); 3532 dig = amdgpu_encoder->enc_priv; 3533 dig->dig_encoder = -1; 3534 } 3535 amdgpu_encoder->active_device = 0; 3536 } 3537 3538 /* these are handled by the primary encoders */ 3539 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder) 3540 { 3541 3542 } 3543 3544 static void dce_v11_0_ext_commit(struct drm_encoder *encoder) 3545 { 3546 3547 } 3548 3549 static void 3550 dce_v11_0_ext_mode_set(struct drm_encoder *encoder, 3551 struct drm_display_mode *mode, 3552 struct drm_display_mode *adjusted_mode) 3553 { 3554 3555 } 3556 3557 static void dce_v11_0_ext_disable(struct drm_encoder *encoder) 3558 { 3559 3560 } 3561 3562 static void 3563 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode) 3564 { 3565 3566 } 3567 3568 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = { 3569 .dpms = dce_v11_0_ext_dpms, 3570 .prepare = dce_v11_0_ext_prepare, 3571 .mode_set = dce_v11_0_ext_mode_set, 3572 .commit = dce_v11_0_ext_commit, 3573 .disable = dce_v11_0_ext_disable, 3574 /* no detect for TMDS/LVDS yet */ 3575 }; 3576 3577 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = { 3578 .dpms = amdgpu_atombios_encoder_dpms, 3579 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3580 .prepare = dce_v11_0_encoder_prepare, 3581 .mode_set = dce_v11_0_encoder_mode_set, 3582 .commit = dce_v11_0_encoder_commit, 3583 .disable = dce_v11_0_encoder_disable, 3584 .detect = amdgpu_atombios_encoder_dig_detect, 3585 }; 3586 3587 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = { 3588 .dpms = amdgpu_atombios_encoder_dpms, 3589 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3590 .prepare = dce_v11_0_encoder_prepare, 3591 .mode_set = dce_v11_0_encoder_mode_set, 3592 .commit = dce_v11_0_encoder_commit, 3593 .detect = amdgpu_atombios_encoder_dac_detect, 3594 }; 3595 3596 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder) 3597 { 3598 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3599 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3600 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3601 kfree(amdgpu_encoder->enc_priv); 3602 drm_encoder_cleanup(encoder); 3603 kfree(amdgpu_encoder); 3604 } 3605 3606 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = { 3607 .destroy = dce_v11_0_encoder_destroy, 3608 }; 3609 3610 static void dce_v11_0_encoder_add(struct amdgpu_device *adev, 3611 uint32_t encoder_enum, 3612 uint32_t supported_device, 3613 u16 caps) 3614 { 3615 struct drm_device *dev = adev_to_drm(adev); 3616 struct drm_encoder *encoder; 3617 struct amdgpu_encoder *amdgpu_encoder; 3618 3619 /* see if we already added it */ 3620 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3621 amdgpu_encoder = to_amdgpu_encoder(encoder); 3622 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3623 amdgpu_encoder->devices |= supported_device; 3624 return; 3625 } 3626 3627 } 3628 3629 /* add a new one */ 3630 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL); 3631 if (!amdgpu_encoder) 3632 return; 3633 3634 encoder = &amdgpu_encoder->base; 3635 switch (adev->mode_info.num_crtc) { 3636 case 1: 3637 encoder->possible_crtcs = 0x1; 3638 break; 3639 case 2: 3640 default: 3641 encoder->possible_crtcs = 0x3; 3642 break; 3643 case 3: 3644 encoder->possible_crtcs = 0x7; 3645 break; 3646 case 4: 3647 encoder->possible_crtcs = 0xf; 3648 break; 3649 case 5: 3650 encoder->possible_crtcs = 0x1f; 3651 break; 3652 case 6: 3653 encoder->possible_crtcs = 0x3f; 3654 break; 3655 } 3656 3657 amdgpu_encoder->enc_priv = NULL; 3658 3659 amdgpu_encoder->encoder_enum = encoder_enum; 3660 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3661 amdgpu_encoder->devices = supported_device; 3662 amdgpu_encoder->rmx_type = RMX_OFF; 3663 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3664 amdgpu_encoder->is_ext_encoder = false; 3665 amdgpu_encoder->caps = caps; 3666 3667 switch (amdgpu_encoder->encoder_id) { 3668 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3669 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3670 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3671 DRM_MODE_ENCODER_DAC, NULL); 3672 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs); 3673 break; 3674 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3675 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3676 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3677 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3678 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3679 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3680 amdgpu_encoder->rmx_type = RMX_FULL; 3681 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3682 DRM_MODE_ENCODER_LVDS, NULL); 3683 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3684 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3685 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3686 DRM_MODE_ENCODER_DAC, NULL); 3687 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3688 } else { 3689 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3690 DRM_MODE_ENCODER_TMDS, NULL); 3691 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3692 } 3693 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs); 3694 break; 3695 case ENCODER_OBJECT_ID_SI170B: 3696 case ENCODER_OBJECT_ID_CH7303: 3697 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3698 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3699 case ENCODER_OBJECT_ID_TITFP513: 3700 case ENCODER_OBJECT_ID_VT1623: 3701 case ENCODER_OBJECT_ID_HDMI_SI1930: 3702 case ENCODER_OBJECT_ID_TRAVIS: 3703 case ENCODER_OBJECT_ID_NUTMEG: 3704 /* these are handled by the primary encoders */ 3705 amdgpu_encoder->is_ext_encoder = true; 3706 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3707 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3708 DRM_MODE_ENCODER_LVDS, NULL); 3709 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3710 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3711 DRM_MODE_ENCODER_DAC, NULL); 3712 else 3713 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3714 DRM_MODE_ENCODER_TMDS, NULL); 3715 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs); 3716 break; 3717 } 3718 } 3719 3720 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = { 3721 .bandwidth_update = &dce_v11_0_bandwidth_update, 3722 .vblank_get_counter = &dce_v11_0_vblank_get_counter, 3723 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3724 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3725 .hpd_sense = &dce_v11_0_hpd_sense, 3726 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity, 3727 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg, 3728 .page_flip = &dce_v11_0_page_flip, 3729 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos, 3730 .add_encoder = &dce_v11_0_encoder_add, 3731 .add_connector = &amdgpu_connector_add, 3732 }; 3733 3734 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev) 3735 { 3736 adev->mode_info.funcs = &dce_v11_0_display_funcs; 3737 } 3738 3739 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = { 3740 .set = dce_v11_0_set_crtc_irq_state, 3741 .process = dce_v11_0_crtc_irq, 3742 }; 3743 3744 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = { 3745 .set = dce_v11_0_set_pageflip_irq_state, 3746 .process = dce_v11_0_pageflip_irq, 3747 }; 3748 3749 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = { 3750 .set = dce_v11_0_set_hpd_irq_state, 3751 .process = dce_v11_0_hpd_irq, 3752 }; 3753 3754 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev) 3755 { 3756 if (adev->mode_info.num_crtc > 0) 3757 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc; 3758 else 3759 adev->crtc_irq.num_types = 0; 3760 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs; 3761 3762 adev->pageflip_irq.num_types = adev->mode_info.num_crtc; 3763 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs; 3764 3765 adev->hpd_irq.num_types = adev->mode_info.num_hpd; 3766 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs; 3767 } 3768 3769 const struct amdgpu_ip_block_version dce_v11_0_ip_block = 3770 { 3771 .type = AMD_IP_BLOCK_TYPE_DCE, 3772 .major = 11, 3773 .minor = 0, 3774 .rev = 0, 3775 .funcs = &dce_v11_0_ip_funcs, 3776 }; 3777 3778 const struct amdgpu_ip_block_version dce_v11_2_ip_block = 3779 { 3780 .type = AMD_IP_BLOCK_TYPE_DCE, 3781 .major = 11, 3782 .minor = 2, 3783 .rev = 0, 3784 .funcs = &dce_v11_0_ip_funcs, 3785 }; 3786