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 * 250 * Triggers the actual pageflip by updating the primary 251 * surface base address. 252 */ 253 static void dce_v11_0_page_flip(struct amdgpu_device *adev, 254 int crtc_id, u64 crtc_base, bool async) 255 { 256 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 257 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb; 258 u32 tmp; 259 260 /* flip immediate for async, default is vsync */ 261 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 262 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 263 GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0); 264 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 265 /* update pitch */ 266 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, 267 fb->pitches[0] / fb->format->cpp[0]); 268 /* update the scanout addresses */ 269 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 270 upper_32_bits(crtc_base)); 271 /* writing to the low address triggers the update */ 272 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 273 lower_32_bits(crtc_base)); 274 /* post the write */ 275 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); 276 } 277 278 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 279 u32 *vbl, u32 *position) 280 { 281 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 282 return -EINVAL; 283 284 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 285 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 286 287 return 0; 288 } 289 290 /** 291 * dce_v11_0_hpd_sense - hpd sense callback. 292 * 293 * @adev: amdgpu_device pointer 294 * @hpd: hpd (hotplug detect) pin 295 * 296 * Checks if a digital monitor is connected (evergreen+). 297 * Returns true if connected, false if not connected. 298 */ 299 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev, 300 enum amdgpu_hpd_id hpd) 301 { 302 bool connected = false; 303 304 if (hpd >= adev->mode_info.num_hpd) 305 return connected; 306 307 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & 308 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) 309 connected = true; 310 311 return connected; 312 } 313 314 /** 315 * dce_v11_0_hpd_set_polarity - hpd set polarity callback. 316 * 317 * @adev: amdgpu_device pointer 318 * @hpd: hpd (hotplug detect) pin 319 * 320 * Set the polarity of the hpd pin (evergreen+). 321 */ 322 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev, 323 enum amdgpu_hpd_id hpd) 324 { 325 u32 tmp; 326 bool connected = dce_v11_0_hpd_sense(adev, hpd); 327 328 if (hpd >= adev->mode_info.num_hpd) 329 return; 330 331 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 332 if (connected) 333 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); 334 else 335 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); 336 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 337 } 338 339 /** 340 * dce_v11_0_hpd_init - hpd setup callback. 341 * 342 * @adev: amdgpu_device pointer 343 * 344 * Setup the hpd pins used by the card (evergreen+). 345 * Enable the pin, set the polarity, and enable the hpd interrupts. 346 */ 347 static void dce_v11_0_hpd_init(struct amdgpu_device *adev) 348 { 349 struct drm_device *dev = adev->ddev; 350 struct drm_connector *connector; 351 struct drm_connector_list_iter iter; 352 u32 tmp; 353 354 drm_connector_list_iter_begin(dev, &iter); 355 drm_for_each_connector_iter(connector, &iter) { 356 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 357 358 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 359 continue; 360 361 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 362 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 363 /* don't try to enable hpd on eDP or LVDS avoid breaking the 364 * aux dp channel on imac and help (but not completely fix) 365 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 366 * also avoid interrupt storms during dpms. 367 */ 368 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 369 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 370 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 371 continue; 372 } 373 374 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 375 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); 376 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 377 378 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); 379 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 380 DC_HPD_CONNECT_INT_DELAY, 381 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); 382 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 383 DC_HPD_DISCONNECT_INT_DELAY, 384 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); 385 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 386 387 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 388 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 389 } 390 drm_connector_list_iter_end(&iter); 391 } 392 393 /** 394 * dce_v11_0_hpd_fini - hpd tear down callback. 395 * 396 * @adev: amdgpu_device pointer 397 * 398 * Tear down the hpd pins used by the card (evergreen+). 399 * Disable the hpd interrupts. 400 */ 401 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev) 402 { 403 struct drm_device *dev = adev->ddev; 404 struct drm_connector *connector; 405 struct drm_connector_list_iter iter; 406 u32 tmp; 407 408 drm_connector_list_iter_begin(dev, &iter); 409 drm_for_each_connector_iter(connector, &iter) { 410 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 411 412 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 413 continue; 414 415 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 416 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); 417 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 418 419 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 420 } 421 drm_connector_list_iter_end(&iter); 422 } 423 424 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 425 { 426 return mmDC_GPIO_HPD_A; 427 } 428 429 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev) 430 { 431 u32 crtc_hung = 0; 432 u32 crtc_status[6]; 433 u32 i, j, tmp; 434 435 for (i = 0; i < adev->mode_info.num_crtc; i++) { 436 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 437 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) { 438 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 439 crtc_hung |= (1 << i); 440 } 441 } 442 443 for (j = 0; j < 10; j++) { 444 for (i = 0; i < adev->mode_info.num_crtc; i++) { 445 if (crtc_hung & (1 << i)) { 446 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 447 if (tmp != crtc_status[i]) 448 crtc_hung &= ~(1 << i); 449 } 450 } 451 if (crtc_hung == 0) 452 return false; 453 udelay(100); 454 } 455 456 return true; 457 } 458 459 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev, 460 bool render) 461 { 462 u32 tmp; 463 464 /* Lockout access through VGA aperture*/ 465 tmp = RREG32(mmVGA_HDP_CONTROL); 466 if (render) 467 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 468 else 469 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 470 WREG32(mmVGA_HDP_CONTROL, tmp); 471 472 /* disable VGA render */ 473 tmp = RREG32(mmVGA_RENDER_CONTROL); 474 if (render) 475 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 476 else 477 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 478 WREG32(mmVGA_RENDER_CONTROL, tmp); 479 } 480 481 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev) 482 { 483 int num_crtc = 0; 484 485 switch (adev->asic_type) { 486 case CHIP_CARRIZO: 487 num_crtc = 3; 488 break; 489 case CHIP_STONEY: 490 num_crtc = 2; 491 break; 492 case CHIP_POLARIS10: 493 case CHIP_VEGAM: 494 num_crtc = 6; 495 break; 496 case CHIP_POLARIS11: 497 case CHIP_POLARIS12: 498 num_crtc = 5; 499 break; 500 default: 501 num_crtc = 0; 502 } 503 return num_crtc; 504 } 505 506 void dce_v11_0_disable_dce(struct amdgpu_device *adev) 507 { 508 /*Disable VGA render and enabled crtc, if has DCE engine*/ 509 if (amdgpu_atombios_has_dce_engine_info(adev)) { 510 u32 tmp; 511 int crtc_enabled, i; 512 513 dce_v11_0_set_vga_render_state(adev, false); 514 515 /*Disable crtc*/ 516 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) { 517 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 518 CRTC_CONTROL, CRTC_MASTER_EN); 519 if (crtc_enabled) { 520 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 521 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 522 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 523 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 524 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 525 } 526 } 527 } 528 } 529 530 static void dce_v11_0_program_fmt(struct drm_encoder *encoder) 531 { 532 struct drm_device *dev = encoder->dev; 533 struct amdgpu_device *adev = dev->dev_private; 534 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 535 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 536 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 537 int bpc = 0; 538 u32 tmp = 0; 539 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 540 541 if (connector) { 542 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 543 bpc = amdgpu_connector_get_monitor_bpc(connector); 544 dither = amdgpu_connector->dither; 545 } 546 547 /* LVDS/eDP FMT is set up by atom */ 548 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 549 return; 550 551 /* not needed for analog */ 552 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 553 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 554 return; 555 556 if (bpc == 0) 557 return; 558 559 switch (bpc) { 560 case 6: 561 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 562 /* XXX sort out optimal dither settings */ 563 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 564 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 565 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 566 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0); 567 } else { 568 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 569 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0); 570 } 571 break; 572 case 8: 573 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 574 /* XXX sort out optimal dither settings */ 575 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 576 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 577 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 578 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 579 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1); 580 } else { 581 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 582 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1); 583 } 584 break; 585 case 10: 586 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 587 /* XXX sort out optimal dither settings */ 588 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 589 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 590 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 591 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 592 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2); 593 } else { 594 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 595 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2); 596 } 597 break; 598 default: 599 /* not needed */ 600 break; 601 } 602 603 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 604 } 605 606 607 /* display watermark setup */ 608 /** 609 * dce_v11_0_line_buffer_adjust - Set up the line buffer 610 * 611 * @adev: amdgpu_device pointer 612 * @amdgpu_crtc: the selected display controller 613 * @mode: the current display mode on the selected display 614 * controller 615 * 616 * Setup up the line buffer allocation for 617 * the selected display controller (CIK). 618 * Returns the line buffer size in pixels. 619 */ 620 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev, 621 struct amdgpu_crtc *amdgpu_crtc, 622 struct drm_display_mode *mode) 623 { 624 u32 tmp, buffer_alloc, i, mem_cfg; 625 u32 pipe_offset = amdgpu_crtc->crtc_id; 626 /* 627 * Line Buffer Setup 628 * There are 6 line buffers, one for each display controllers. 629 * There are 3 partitions per LB. Select the number of partitions 630 * to enable based on the display width. For display widths larger 631 * than 4096, you need use to use 2 display controllers and combine 632 * them using the stereo blender. 633 */ 634 if (amdgpu_crtc->base.enabled && mode) { 635 if (mode->crtc_hdisplay < 1920) { 636 mem_cfg = 1; 637 buffer_alloc = 2; 638 } else if (mode->crtc_hdisplay < 2560) { 639 mem_cfg = 2; 640 buffer_alloc = 2; 641 } else if (mode->crtc_hdisplay < 4096) { 642 mem_cfg = 0; 643 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 644 } else { 645 DRM_DEBUG_KMS("Mode too big for LB!\n"); 646 mem_cfg = 0; 647 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 648 } 649 } else { 650 mem_cfg = 1; 651 buffer_alloc = 0; 652 } 653 654 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset); 655 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg); 656 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp); 657 658 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 659 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc); 660 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp); 661 662 for (i = 0; i < adev->usec_timeout; i++) { 663 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 664 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED)) 665 break; 666 udelay(1); 667 } 668 669 if (amdgpu_crtc->base.enabled && mode) { 670 switch (mem_cfg) { 671 case 0: 672 default: 673 return 4096 * 2; 674 case 1: 675 return 1920 * 2; 676 case 2: 677 return 2560 * 2; 678 } 679 } 680 681 /* controller not enabled, so no lb used */ 682 return 0; 683 } 684 685 /** 686 * cik_get_number_of_dram_channels - get the number of dram channels 687 * 688 * @adev: amdgpu_device pointer 689 * 690 * Look up the number of video ram channels (CIK). 691 * Used for display watermark bandwidth calculations 692 * Returns the number of dram channels 693 */ 694 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 695 { 696 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 697 698 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 699 case 0: 700 default: 701 return 1; 702 case 1: 703 return 2; 704 case 2: 705 return 4; 706 case 3: 707 return 8; 708 case 4: 709 return 3; 710 case 5: 711 return 6; 712 case 6: 713 return 10; 714 case 7: 715 return 12; 716 case 8: 717 return 16; 718 } 719 } 720 721 struct dce10_wm_params { 722 u32 dram_channels; /* number of dram channels */ 723 u32 yclk; /* bandwidth per dram data pin in kHz */ 724 u32 sclk; /* engine clock in kHz */ 725 u32 disp_clk; /* display clock in kHz */ 726 u32 src_width; /* viewport width */ 727 u32 active_time; /* active display time in ns */ 728 u32 blank_time; /* blank time in ns */ 729 bool interlaced; /* mode is interlaced */ 730 fixed20_12 vsc; /* vertical scale ratio */ 731 u32 num_heads; /* number of active crtcs */ 732 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 733 u32 lb_size; /* line buffer allocated to pipe */ 734 u32 vtaps; /* vertical scaler taps */ 735 }; 736 737 /** 738 * dce_v11_0_dram_bandwidth - get the dram bandwidth 739 * 740 * @wm: watermark calculation data 741 * 742 * Calculate the raw dram bandwidth (CIK). 743 * Used for display watermark bandwidth calculations 744 * Returns the dram bandwidth in MBytes/s 745 */ 746 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm) 747 { 748 /* Calculate raw DRAM Bandwidth */ 749 fixed20_12 dram_efficiency; /* 0.7 */ 750 fixed20_12 yclk, dram_channels, bandwidth; 751 fixed20_12 a; 752 753 a.full = dfixed_const(1000); 754 yclk.full = dfixed_const(wm->yclk); 755 yclk.full = dfixed_div(yclk, a); 756 dram_channels.full = dfixed_const(wm->dram_channels * 4); 757 a.full = dfixed_const(10); 758 dram_efficiency.full = dfixed_const(7); 759 dram_efficiency.full = dfixed_div(dram_efficiency, a); 760 bandwidth.full = dfixed_mul(dram_channels, yclk); 761 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 762 763 return dfixed_trunc(bandwidth); 764 } 765 766 /** 767 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display 768 * 769 * @wm: watermark calculation data 770 * 771 * Calculate the dram bandwidth used for display (CIK). 772 * Used for display watermark bandwidth calculations 773 * Returns the dram bandwidth for display in MBytes/s 774 */ 775 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm) 776 { 777 /* Calculate DRAM Bandwidth and the part allocated to display. */ 778 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 779 fixed20_12 yclk, dram_channels, bandwidth; 780 fixed20_12 a; 781 782 a.full = dfixed_const(1000); 783 yclk.full = dfixed_const(wm->yclk); 784 yclk.full = dfixed_div(yclk, a); 785 dram_channels.full = dfixed_const(wm->dram_channels * 4); 786 a.full = dfixed_const(10); 787 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 788 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 789 bandwidth.full = dfixed_mul(dram_channels, yclk); 790 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 791 792 return dfixed_trunc(bandwidth); 793 } 794 795 /** 796 * dce_v11_0_data_return_bandwidth - get the data return bandwidth 797 * 798 * @wm: watermark calculation data 799 * 800 * Calculate the data return bandwidth used for display (CIK). 801 * Used for display watermark bandwidth calculations 802 * Returns the data return bandwidth in MBytes/s 803 */ 804 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm) 805 { 806 /* Calculate the display Data return Bandwidth */ 807 fixed20_12 return_efficiency; /* 0.8 */ 808 fixed20_12 sclk, bandwidth; 809 fixed20_12 a; 810 811 a.full = dfixed_const(1000); 812 sclk.full = dfixed_const(wm->sclk); 813 sclk.full = dfixed_div(sclk, a); 814 a.full = dfixed_const(10); 815 return_efficiency.full = dfixed_const(8); 816 return_efficiency.full = dfixed_div(return_efficiency, a); 817 a.full = dfixed_const(32); 818 bandwidth.full = dfixed_mul(a, sclk); 819 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 820 821 return dfixed_trunc(bandwidth); 822 } 823 824 /** 825 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth 826 * 827 * @wm: watermark calculation data 828 * 829 * Calculate the dmif bandwidth used for display (CIK). 830 * Used for display watermark bandwidth calculations 831 * Returns the dmif bandwidth in MBytes/s 832 */ 833 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm) 834 { 835 /* Calculate the DMIF Request Bandwidth */ 836 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 837 fixed20_12 disp_clk, bandwidth; 838 fixed20_12 a, b; 839 840 a.full = dfixed_const(1000); 841 disp_clk.full = dfixed_const(wm->disp_clk); 842 disp_clk.full = dfixed_div(disp_clk, a); 843 a.full = dfixed_const(32); 844 b.full = dfixed_mul(a, disp_clk); 845 846 a.full = dfixed_const(10); 847 disp_clk_request_efficiency.full = dfixed_const(8); 848 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 849 850 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 851 852 return dfixed_trunc(bandwidth); 853 } 854 855 /** 856 * dce_v11_0_available_bandwidth - get the min available bandwidth 857 * 858 * @wm: watermark calculation data 859 * 860 * Calculate the min available bandwidth used for display (CIK). 861 * Used for display watermark bandwidth calculations 862 * Returns the min available bandwidth in MBytes/s 863 */ 864 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm) 865 { 866 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 867 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm); 868 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm); 869 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm); 870 871 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 872 } 873 874 /** 875 * dce_v11_0_average_bandwidth - get the average available bandwidth 876 * 877 * @wm: watermark calculation data 878 * 879 * Calculate the average available bandwidth used for display (CIK). 880 * Used for display watermark bandwidth calculations 881 * Returns the average available bandwidth in MBytes/s 882 */ 883 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm) 884 { 885 /* Calculate the display mode Average Bandwidth 886 * DisplayMode should contain the source and destination dimensions, 887 * timing, etc. 888 */ 889 fixed20_12 bpp; 890 fixed20_12 line_time; 891 fixed20_12 src_width; 892 fixed20_12 bandwidth; 893 fixed20_12 a; 894 895 a.full = dfixed_const(1000); 896 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 897 line_time.full = dfixed_div(line_time, a); 898 bpp.full = dfixed_const(wm->bytes_per_pixel); 899 src_width.full = dfixed_const(wm->src_width); 900 bandwidth.full = dfixed_mul(src_width, bpp); 901 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 902 bandwidth.full = dfixed_div(bandwidth, line_time); 903 904 return dfixed_trunc(bandwidth); 905 } 906 907 /** 908 * dce_v11_0_latency_watermark - get the latency watermark 909 * 910 * @wm: watermark calculation data 911 * 912 * Calculate the latency watermark (CIK). 913 * Used for display watermark bandwidth calculations 914 * Returns the latency watermark in ns 915 */ 916 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm) 917 { 918 /* First calculate the latency in ns */ 919 u32 mc_latency = 2000; /* 2000 ns. */ 920 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm); 921 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 922 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 923 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 924 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 925 (wm->num_heads * cursor_line_pair_return_time); 926 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 927 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 928 u32 tmp, dmif_size = 12288; 929 fixed20_12 a, b, c; 930 931 if (wm->num_heads == 0) 932 return 0; 933 934 a.full = dfixed_const(2); 935 b.full = dfixed_const(1); 936 if ((wm->vsc.full > a.full) || 937 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 938 (wm->vtaps >= 5) || 939 ((wm->vsc.full >= a.full) && wm->interlaced)) 940 max_src_lines_per_dst_line = 4; 941 else 942 max_src_lines_per_dst_line = 2; 943 944 a.full = dfixed_const(available_bandwidth); 945 b.full = dfixed_const(wm->num_heads); 946 a.full = dfixed_div(a, b); 947 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512); 948 tmp = min(dfixed_trunc(a), tmp); 949 950 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000); 951 952 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 953 b.full = dfixed_const(1000); 954 c.full = dfixed_const(lb_fill_bw); 955 b.full = dfixed_div(c, b); 956 a.full = dfixed_div(a, b); 957 line_fill_time = dfixed_trunc(a); 958 959 if (line_fill_time < wm->active_time) 960 return latency; 961 else 962 return latency + (line_fill_time - wm->active_time); 963 964 } 965 966 /** 967 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check 968 * average and available dram bandwidth 969 * 970 * @wm: watermark calculation data 971 * 972 * Check if the display average bandwidth fits in the display 973 * dram bandwidth (CIK). 974 * Used for display watermark bandwidth calculations 975 * Returns true if the display fits, false if not. 976 */ 977 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm) 978 { 979 if (dce_v11_0_average_bandwidth(wm) <= 980 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 981 return true; 982 else 983 return false; 984 } 985 986 /** 987 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check 988 * average and available bandwidth 989 * 990 * @wm: watermark calculation data 991 * 992 * Check if the display average bandwidth fits in the display 993 * available bandwidth (CIK). 994 * Used for display watermark bandwidth calculations 995 * Returns true if the display fits, false if not. 996 */ 997 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm) 998 { 999 if (dce_v11_0_average_bandwidth(wm) <= 1000 (dce_v11_0_available_bandwidth(wm) / wm->num_heads)) 1001 return true; 1002 else 1003 return false; 1004 } 1005 1006 /** 1007 * dce_v11_0_check_latency_hiding - check latency hiding 1008 * 1009 * @wm: watermark calculation data 1010 * 1011 * Check latency hiding (CIK). 1012 * Used for display watermark bandwidth calculations 1013 * Returns true if the display fits, false if not. 1014 */ 1015 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm) 1016 { 1017 u32 lb_partitions = wm->lb_size / wm->src_width; 1018 u32 line_time = wm->active_time + wm->blank_time; 1019 u32 latency_tolerant_lines; 1020 u32 latency_hiding; 1021 fixed20_12 a; 1022 1023 a.full = dfixed_const(1); 1024 if (wm->vsc.full > a.full) 1025 latency_tolerant_lines = 1; 1026 else { 1027 if (lb_partitions <= (wm->vtaps + 1)) 1028 latency_tolerant_lines = 1; 1029 else 1030 latency_tolerant_lines = 2; 1031 } 1032 1033 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1034 1035 if (dce_v11_0_latency_watermark(wm) <= latency_hiding) 1036 return true; 1037 else 1038 return false; 1039 } 1040 1041 /** 1042 * dce_v11_0_program_watermarks - program display watermarks 1043 * 1044 * @adev: amdgpu_device pointer 1045 * @amdgpu_crtc: the selected display controller 1046 * @lb_size: line buffer size 1047 * @num_heads: number of display controllers in use 1048 * 1049 * Calculate and program the display watermarks for the 1050 * selected display controller (CIK). 1051 */ 1052 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, 1053 struct amdgpu_crtc *amdgpu_crtc, 1054 u32 lb_size, u32 num_heads) 1055 { 1056 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1057 struct dce10_wm_params wm_low, wm_high; 1058 u32 active_time; 1059 u32 line_time = 0; 1060 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1061 u32 tmp, wm_mask, lb_vblank_lead_lines = 0; 1062 1063 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1064 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, 1065 (u32)mode->clock); 1066 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, 1067 (u32)mode->clock); 1068 line_time = min(line_time, (u32)65535); 1069 1070 /* watermark for high clocks */ 1071 if (adev->pm.dpm_enabled) { 1072 wm_high.yclk = 1073 amdgpu_dpm_get_mclk(adev, false) * 10; 1074 wm_high.sclk = 1075 amdgpu_dpm_get_sclk(adev, false) * 10; 1076 } else { 1077 wm_high.yclk = adev->pm.current_mclk * 10; 1078 wm_high.sclk = adev->pm.current_sclk * 10; 1079 } 1080 1081 wm_high.disp_clk = mode->clock; 1082 wm_high.src_width = mode->crtc_hdisplay; 1083 wm_high.active_time = active_time; 1084 wm_high.blank_time = line_time - wm_high.active_time; 1085 wm_high.interlaced = false; 1086 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1087 wm_high.interlaced = true; 1088 wm_high.vsc = amdgpu_crtc->vsc; 1089 wm_high.vtaps = 1; 1090 if (amdgpu_crtc->rmx_type != RMX_OFF) 1091 wm_high.vtaps = 2; 1092 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1093 wm_high.lb_size = lb_size; 1094 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1095 wm_high.num_heads = num_heads; 1096 1097 /* set for high clocks */ 1098 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535); 1099 1100 /* possibly force display priority to high */ 1101 /* should really do this at mode validation time... */ 1102 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1103 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1104 !dce_v11_0_check_latency_hiding(&wm_high) || 1105 (adev->mode_info.disp_priority == 2)) { 1106 DRM_DEBUG_KMS("force priority to high\n"); 1107 } 1108 1109 /* watermark for low clocks */ 1110 if (adev->pm.dpm_enabled) { 1111 wm_low.yclk = 1112 amdgpu_dpm_get_mclk(adev, true) * 10; 1113 wm_low.sclk = 1114 amdgpu_dpm_get_sclk(adev, true) * 10; 1115 } else { 1116 wm_low.yclk = adev->pm.current_mclk * 10; 1117 wm_low.sclk = adev->pm.current_sclk * 10; 1118 } 1119 1120 wm_low.disp_clk = mode->clock; 1121 wm_low.src_width = mode->crtc_hdisplay; 1122 wm_low.active_time = active_time; 1123 wm_low.blank_time = line_time - wm_low.active_time; 1124 wm_low.interlaced = false; 1125 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1126 wm_low.interlaced = true; 1127 wm_low.vsc = amdgpu_crtc->vsc; 1128 wm_low.vtaps = 1; 1129 if (amdgpu_crtc->rmx_type != RMX_OFF) 1130 wm_low.vtaps = 2; 1131 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1132 wm_low.lb_size = lb_size; 1133 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1134 wm_low.num_heads = num_heads; 1135 1136 /* set for low clocks */ 1137 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535); 1138 1139 /* possibly force display priority to high */ 1140 /* should really do this at mode validation time... */ 1141 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1142 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1143 !dce_v11_0_check_latency_hiding(&wm_low) || 1144 (adev->mode_info.disp_priority == 2)) { 1145 DRM_DEBUG_KMS("force priority to high\n"); 1146 } 1147 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); 1148 } 1149 1150 /* select wm A */ 1151 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1152 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1); 1153 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1154 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1155 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a); 1156 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1157 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1158 /* select wm B */ 1159 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2); 1160 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1161 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1162 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b); 1163 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1164 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1165 /* restore original selection */ 1166 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1167 1168 /* save values for DPM */ 1169 amdgpu_crtc->line_time = line_time; 1170 amdgpu_crtc->wm_high = latency_watermark_a; 1171 amdgpu_crtc->wm_low = latency_watermark_b; 1172 /* Save number of lines the linebuffer leads before the scanout */ 1173 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; 1174 } 1175 1176 /** 1177 * dce_v11_0_bandwidth_update - program display watermarks 1178 * 1179 * @adev: amdgpu_device pointer 1180 * 1181 * Calculate and program the display watermarks and line 1182 * buffer allocation (CIK). 1183 */ 1184 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev) 1185 { 1186 struct drm_display_mode *mode = NULL; 1187 u32 num_heads = 0, lb_size; 1188 int i; 1189 1190 amdgpu_display_update_priority(adev); 1191 1192 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1193 if (adev->mode_info.crtcs[i]->base.enabled) 1194 num_heads++; 1195 } 1196 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1197 mode = &adev->mode_info.crtcs[i]->base.mode; 1198 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1199 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1200 lb_size, num_heads); 1201 } 1202 } 1203 1204 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev) 1205 { 1206 int i; 1207 u32 offset, tmp; 1208 1209 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1210 offset = adev->mode_info.audio.pin[i].offset; 1211 tmp = RREG32_AUDIO_ENDPT(offset, 1212 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1213 if (((tmp & 1214 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1215 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1216 adev->mode_info.audio.pin[i].connected = false; 1217 else 1218 adev->mode_info.audio.pin[i].connected = true; 1219 } 1220 } 1221 1222 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev) 1223 { 1224 int i; 1225 1226 dce_v11_0_audio_get_connected_pins(adev); 1227 1228 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1229 if (adev->mode_info.audio.pin[i].connected) 1230 return &adev->mode_info.audio.pin[i]; 1231 } 1232 DRM_ERROR("No connected audio pins found!\n"); 1233 return NULL; 1234 } 1235 1236 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1237 { 1238 struct amdgpu_device *adev = encoder->dev->dev_private; 1239 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1240 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1241 u32 tmp; 1242 1243 if (!dig || !dig->afmt || !dig->afmt->pin) 1244 return; 1245 1246 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset); 1247 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id); 1248 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp); 1249 } 1250 1251 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder, 1252 struct drm_display_mode *mode) 1253 { 1254 struct drm_device *dev = encoder->dev; 1255 struct amdgpu_device *adev = dev->dev_private; 1256 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1257 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1258 struct drm_connector *connector; 1259 struct drm_connector_list_iter iter; 1260 struct amdgpu_connector *amdgpu_connector = NULL; 1261 u32 tmp; 1262 int interlace = 0; 1263 1264 if (!dig || !dig->afmt || !dig->afmt->pin) 1265 return; 1266 1267 drm_connector_list_iter_begin(dev, &iter); 1268 drm_for_each_connector_iter(connector, &iter) { 1269 if (connector->encoder == encoder) { 1270 amdgpu_connector = to_amdgpu_connector(connector); 1271 break; 1272 } 1273 } 1274 drm_connector_list_iter_end(&iter); 1275 1276 if (!amdgpu_connector) { 1277 DRM_ERROR("Couldn't find encoder's connector\n"); 1278 return; 1279 } 1280 1281 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1282 interlace = 1; 1283 if (connector->latency_present[interlace]) { 1284 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1285 VIDEO_LIPSYNC, connector->video_latency[interlace]); 1286 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1287 AUDIO_LIPSYNC, connector->audio_latency[interlace]); 1288 } else { 1289 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1290 VIDEO_LIPSYNC, 0); 1291 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1292 AUDIO_LIPSYNC, 0); 1293 } 1294 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1295 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1296 } 1297 1298 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1299 { 1300 struct drm_device *dev = encoder->dev; 1301 struct amdgpu_device *adev = dev->dev_private; 1302 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1303 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1304 struct drm_connector *connector; 1305 struct drm_connector_list_iter iter; 1306 struct amdgpu_connector *amdgpu_connector = NULL; 1307 u32 tmp; 1308 u8 *sadb = NULL; 1309 int sad_count; 1310 1311 if (!dig || !dig->afmt || !dig->afmt->pin) 1312 return; 1313 1314 drm_connector_list_iter_begin(dev, &iter); 1315 drm_for_each_connector_iter(connector, &iter) { 1316 if (connector->encoder == encoder) { 1317 amdgpu_connector = to_amdgpu_connector(connector); 1318 break; 1319 } 1320 } 1321 drm_connector_list_iter_end(&iter); 1322 1323 if (!amdgpu_connector) { 1324 DRM_ERROR("Couldn't find encoder's connector\n"); 1325 return; 1326 } 1327 1328 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb); 1329 if (sad_count < 0) { 1330 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1331 sad_count = 0; 1332 } 1333 1334 /* program the speaker allocation */ 1335 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1336 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1337 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1338 DP_CONNECTION, 0); 1339 /* set HDMI mode */ 1340 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1341 HDMI_CONNECTION, 1); 1342 if (sad_count) 1343 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1344 SPEAKER_ALLOCATION, sadb[0]); 1345 else 1346 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1347 SPEAKER_ALLOCATION, 5); /* stereo */ 1348 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1349 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1350 1351 kfree(sadb); 1352 } 1353 1354 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder) 1355 { 1356 struct drm_device *dev = encoder->dev; 1357 struct amdgpu_device *adev = dev->dev_private; 1358 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1359 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1360 struct drm_connector *connector; 1361 struct drm_connector_list_iter iter; 1362 struct amdgpu_connector *amdgpu_connector = NULL; 1363 struct cea_sad *sads; 1364 int i, sad_count; 1365 1366 static const u16 eld_reg_to_type[][2] = { 1367 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1368 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1369 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1370 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1371 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1372 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1373 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1374 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1375 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1376 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1377 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1378 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1379 }; 1380 1381 if (!dig || !dig->afmt || !dig->afmt->pin) 1382 return; 1383 1384 drm_connector_list_iter_begin(dev, &iter); 1385 drm_for_each_connector_iter(connector, &iter) { 1386 if (connector->encoder == encoder) { 1387 amdgpu_connector = to_amdgpu_connector(connector); 1388 break; 1389 } 1390 } 1391 drm_connector_list_iter_end(&iter); 1392 1393 if (!amdgpu_connector) { 1394 DRM_ERROR("Couldn't find encoder's connector\n"); 1395 return; 1396 } 1397 1398 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); 1399 if (sad_count < 0) 1400 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1401 if (sad_count <= 0) 1402 return; 1403 BUG_ON(!sads); 1404 1405 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1406 u32 tmp = 0; 1407 u8 stereo_freqs = 0; 1408 int max_channels = -1; 1409 int j; 1410 1411 for (j = 0; j < sad_count; j++) { 1412 struct cea_sad *sad = &sads[j]; 1413 1414 if (sad->format == eld_reg_to_type[i][1]) { 1415 if (sad->channels > max_channels) { 1416 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1417 MAX_CHANNELS, sad->channels); 1418 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1419 DESCRIPTOR_BYTE_2, sad->byte2); 1420 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1421 SUPPORTED_FREQUENCIES, sad->freq); 1422 max_channels = sad->channels; 1423 } 1424 1425 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1426 stereo_freqs |= sad->freq; 1427 else 1428 break; 1429 } 1430 } 1431 1432 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1433 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs); 1434 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp); 1435 } 1436 1437 kfree(sads); 1438 } 1439 1440 static void dce_v11_0_audio_enable(struct amdgpu_device *adev, 1441 struct amdgpu_audio_pin *pin, 1442 bool enable) 1443 { 1444 if (!pin) 1445 return; 1446 1447 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1448 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1449 } 1450 1451 static const u32 pin_offsets[] = 1452 { 1453 AUD0_REGISTER_OFFSET, 1454 AUD1_REGISTER_OFFSET, 1455 AUD2_REGISTER_OFFSET, 1456 AUD3_REGISTER_OFFSET, 1457 AUD4_REGISTER_OFFSET, 1458 AUD5_REGISTER_OFFSET, 1459 AUD6_REGISTER_OFFSET, 1460 AUD7_REGISTER_OFFSET, 1461 }; 1462 1463 static int dce_v11_0_audio_init(struct amdgpu_device *adev) 1464 { 1465 int i; 1466 1467 if (!amdgpu_audio) 1468 return 0; 1469 1470 adev->mode_info.audio.enabled = true; 1471 1472 switch (adev->asic_type) { 1473 case CHIP_CARRIZO: 1474 case CHIP_STONEY: 1475 adev->mode_info.audio.num_pins = 7; 1476 break; 1477 case CHIP_POLARIS10: 1478 case CHIP_VEGAM: 1479 adev->mode_info.audio.num_pins = 8; 1480 break; 1481 case CHIP_POLARIS11: 1482 case CHIP_POLARIS12: 1483 adev->mode_info.audio.num_pins = 6; 1484 break; 1485 default: 1486 return -EINVAL; 1487 } 1488 1489 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1490 adev->mode_info.audio.pin[i].channels = -1; 1491 adev->mode_info.audio.pin[i].rate = -1; 1492 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1493 adev->mode_info.audio.pin[i].status_bits = 0; 1494 adev->mode_info.audio.pin[i].category_code = 0; 1495 adev->mode_info.audio.pin[i].connected = false; 1496 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1497 adev->mode_info.audio.pin[i].id = i; 1498 /* disable audio. it will be set up later */ 1499 /* XXX remove once we switch to ip funcs */ 1500 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1501 } 1502 1503 return 0; 1504 } 1505 1506 static void dce_v11_0_audio_fini(struct amdgpu_device *adev) 1507 { 1508 int i; 1509 1510 if (!amdgpu_audio) 1511 return; 1512 1513 if (!adev->mode_info.audio.enabled) 1514 return; 1515 1516 for (i = 0; i < adev->mode_info.audio.num_pins; i++) 1517 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1518 1519 adev->mode_info.audio.enabled = false; 1520 } 1521 1522 /* 1523 * update the N and CTS parameters for a given pixel clock rate 1524 */ 1525 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1526 { 1527 struct drm_device *dev = encoder->dev; 1528 struct amdgpu_device *adev = dev->dev_private; 1529 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1530 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1531 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1532 u32 tmp; 1533 1534 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset); 1535 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz); 1536 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp); 1537 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset); 1538 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz); 1539 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp); 1540 1541 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset); 1542 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz); 1543 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp); 1544 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset); 1545 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz); 1546 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp); 1547 1548 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset); 1549 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz); 1550 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp); 1551 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset); 1552 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz); 1553 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp); 1554 1555 } 1556 1557 /* 1558 * build a HDMI Video Info Frame 1559 */ 1560 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1561 void *buffer, size_t size) 1562 { 1563 struct drm_device *dev = encoder->dev; 1564 struct amdgpu_device *adev = dev->dev_private; 1565 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1566 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1567 uint8_t *frame = buffer + 3; 1568 uint8_t *header = buffer; 1569 1570 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset, 1571 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1572 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset, 1573 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1574 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset, 1575 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1576 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset, 1577 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1578 } 1579 1580 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1581 { 1582 struct drm_device *dev = encoder->dev; 1583 struct amdgpu_device *adev = dev->dev_private; 1584 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1585 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1586 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1587 u32 dto_phase = 24 * 1000; 1588 u32 dto_modulo = clock; 1589 u32 tmp; 1590 1591 if (!dig || !dig->afmt) 1592 return; 1593 1594 /* XXX two dtos; generally use dto0 for hdmi */ 1595 /* Express [24MHz / target pixel clock] as an exact rational 1596 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1597 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1598 */ 1599 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE); 1600 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, 1601 amdgpu_crtc->crtc_id); 1602 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp); 1603 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1604 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1605 } 1606 1607 /* 1608 * update the info frames with the data from the current display mode 1609 */ 1610 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder, 1611 struct drm_display_mode *mode) 1612 { 1613 struct drm_device *dev = encoder->dev; 1614 struct amdgpu_device *adev = dev->dev_private; 1615 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1616 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1617 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1618 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1619 struct hdmi_avi_infoframe frame; 1620 ssize_t err; 1621 u32 tmp; 1622 int bpc = 8; 1623 1624 if (!dig || !dig->afmt) 1625 return; 1626 1627 /* Silent, r600_hdmi_enable will raise WARN for us */ 1628 if (!dig->afmt->enabled) 1629 return; 1630 1631 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1632 if (encoder->crtc) { 1633 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1634 bpc = amdgpu_crtc->bpc; 1635 } 1636 1637 /* disable audio prior to setting up hw */ 1638 dig->afmt->pin = dce_v11_0_audio_get_pin(adev); 1639 dce_v11_0_audio_enable(adev, dig->afmt->pin, false); 1640 1641 dce_v11_0_audio_set_dto(encoder, mode->clock); 1642 1643 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1644 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); 1645 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */ 1646 1647 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000); 1648 1649 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset); 1650 switch (bpc) { 1651 case 0: 1652 case 6: 1653 case 8: 1654 case 16: 1655 default: 1656 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0); 1657 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); 1658 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1659 connector->name, bpc); 1660 break; 1661 case 10: 1662 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1663 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1); 1664 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1665 connector->name); 1666 break; 1667 case 12: 1668 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1669 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2); 1670 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1671 connector->name); 1672 break; 1673 } 1674 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp); 1675 1676 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1677 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */ 1678 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */ 1679 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */ 1680 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); 1681 1682 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1683 /* enable audio info frames (frames won't be set until audio is enabled) */ 1684 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); 1685 /* required for audio info values to be updated */ 1686 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1); 1687 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1688 1689 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset); 1690 /* required for audio info values to be updated */ 1691 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1); 1692 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1693 1694 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1695 /* anything other than 0 */ 1696 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2); 1697 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1698 1699 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */ 1700 1701 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1702 /* set the default audio delay */ 1703 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); 1704 /* should be suffient for all audio modes and small enough for all hblanks */ 1705 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3); 1706 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1707 1708 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1709 /* allow 60958 channel status fields to be updated */ 1710 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1); 1711 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1712 1713 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset); 1714 if (bpc > 8) 1715 /* clear SW CTS value */ 1716 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0); 1717 else 1718 /* select SW CTS value */ 1719 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1); 1720 /* allow hw to sent ACR packets when required */ 1721 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1); 1722 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp); 1723 1724 dce_v11_0_afmt_update_ACR(encoder, mode->clock); 1725 1726 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset); 1727 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1); 1728 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp); 1729 1730 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset); 1731 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2); 1732 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp); 1733 1734 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset); 1735 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3); 1736 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4); 1737 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5); 1738 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6); 1739 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7); 1740 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8); 1741 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp); 1742 1743 dce_v11_0_audio_write_speaker_allocation(encoder); 1744 1745 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, 1746 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1747 1748 dce_v11_0_afmt_audio_select_pin(encoder); 1749 dce_v11_0_audio_write_sad_regs(encoder); 1750 dce_v11_0_audio_write_latency_fields(encoder, mode); 1751 1752 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode); 1753 if (err < 0) { 1754 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1755 return; 1756 } 1757 1758 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1759 if (err < 0) { 1760 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1761 return; 1762 } 1763 1764 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1765 1766 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1767 /* enable AVI info frames */ 1768 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1); 1769 /* required for audio info values to be updated */ 1770 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1); 1771 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1772 1773 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1774 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2); 1775 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1776 1777 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1778 /* send audio packets */ 1779 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1); 1780 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1781 1782 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF); 1783 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF); 1784 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001); 1785 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001); 1786 1787 /* enable audio after to setting up hw */ 1788 dce_v11_0_audio_enable(adev, dig->afmt->pin, true); 1789 } 1790 1791 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1792 { 1793 struct drm_device *dev = encoder->dev; 1794 struct amdgpu_device *adev = dev->dev_private; 1795 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1796 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1797 1798 if (!dig || !dig->afmt) 1799 return; 1800 1801 /* Silent, r600_hdmi_enable will raise WARN for us */ 1802 if (enable && dig->afmt->enabled) 1803 return; 1804 if (!enable && !dig->afmt->enabled) 1805 return; 1806 1807 if (!enable && dig->afmt->pin) { 1808 dce_v11_0_audio_enable(adev, dig->afmt->pin, false); 1809 dig->afmt->pin = NULL; 1810 } 1811 1812 dig->afmt->enabled = enable; 1813 1814 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1815 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1816 } 1817 1818 static int dce_v11_0_afmt_init(struct amdgpu_device *adev) 1819 { 1820 int i; 1821 1822 for (i = 0; i < adev->mode_info.num_dig; i++) 1823 adev->mode_info.afmt[i] = NULL; 1824 1825 /* DCE11 has audio blocks tied to DIG encoders */ 1826 for (i = 0; i < adev->mode_info.num_dig; i++) { 1827 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL); 1828 if (adev->mode_info.afmt[i]) { 1829 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1830 adev->mode_info.afmt[i]->id = i; 1831 } else { 1832 int j; 1833 for (j = 0; j < i; j++) { 1834 kfree(adev->mode_info.afmt[j]); 1835 adev->mode_info.afmt[j] = NULL; 1836 } 1837 return -ENOMEM; 1838 } 1839 } 1840 return 0; 1841 } 1842 1843 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev) 1844 { 1845 int i; 1846 1847 for (i = 0; i < adev->mode_info.num_dig; i++) { 1848 kfree(adev->mode_info.afmt[i]); 1849 adev->mode_info.afmt[i] = NULL; 1850 } 1851 } 1852 1853 static const u32 vga_control_regs[6] = 1854 { 1855 mmD1VGA_CONTROL, 1856 mmD2VGA_CONTROL, 1857 mmD3VGA_CONTROL, 1858 mmD4VGA_CONTROL, 1859 mmD5VGA_CONTROL, 1860 mmD6VGA_CONTROL, 1861 }; 1862 1863 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable) 1864 { 1865 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1866 struct drm_device *dev = crtc->dev; 1867 struct amdgpu_device *adev = dev->dev_private; 1868 u32 vga_control; 1869 1870 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1871 if (enable) 1872 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1873 else 1874 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1875 } 1876 1877 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable) 1878 { 1879 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1880 struct drm_device *dev = crtc->dev; 1881 struct amdgpu_device *adev = dev->dev_private; 1882 1883 if (enable) 1884 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1885 else 1886 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1887 } 1888 1889 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc, 1890 struct drm_framebuffer *fb, 1891 int x, int y, int atomic) 1892 { 1893 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1894 struct drm_device *dev = crtc->dev; 1895 struct amdgpu_device *adev = dev->dev_private; 1896 struct drm_framebuffer *target_fb; 1897 struct drm_gem_object *obj; 1898 struct amdgpu_bo *abo; 1899 uint64_t fb_location, tiling_flags; 1900 uint32_t fb_format, fb_pitch_pixels; 1901 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE); 1902 u32 pipe_config; 1903 u32 tmp, viewport_w, viewport_h; 1904 int r; 1905 bool bypass_lut = false; 1906 struct drm_format_name_buf format_name; 1907 1908 /* no fb bound */ 1909 if (!atomic && !crtc->primary->fb) { 1910 DRM_DEBUG_KMS("No FB bound\n"); 1911 return 0; 1912 } 1913 1914 if (atomic) 1915 target_fb = fb; 1916 else 1917 target_fb = crtc->primary->fb; 1918 1919 /* If atomic, assume fb object is pinned & idle & fenced and 1920 * just update base pointers 1921 */ 1922 obj = target_fb->obj[0]; 1923 abo = gem_to_amdgpu_bo(obj); 1924 r = amdgpu_bo_reserve(abo, false); 1925 if (unlikely(r != 0)) 1926 return r; 1927 1928 if (!atomic) { 1929 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM); 1930 if (unlikely(r != 0)) { 1931 amdgpu_bo_unreserve(abo); 1932 return -EINVAL; 1933 } 1934 } 1935 fb_location = amdgpu_bo_gpu_offset(abo); 1936 1937 amdgpu_bo_get_tiling_flags(abo, &tiling_flags); 1938 amdgpu_bo_unreserve(abo); 1939 1940 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 1941 1942 switch (target_fb->format->format) { 1943 case DRM_FORMAT_C8: 1944 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0); 1945 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1946 break; 1947 case DRM_FORMAT_XRGB4444: 1948 case DRM_FORMAT_ARGB4444: 1949 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1950 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2); 1951 #ifdef __BIG_ENDIAN 1952 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1953 ENDIAN_8IN16); 1954 #endif 1955 break; 1956 case DRM_FORMAT_XRGB1555: 1957 case DRM_FORMAT_ARGB1555: 1958 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1959 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1960 #ifdef __BIG_ENDIAN 1961 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1962 ENDIAN_8IN16); 1963 #endif 1964 break; 1965 case DRM_FORMAT_BGRX5551: 1966 case DRM_FORMAT_BGRA5551: 1967 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1968 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5); 1969 #ifdef __BIG_ENDIAN 1970 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1971 ENDIAN_8IN16); 1972 #endif 1973 break; 1974 case DRM_FORMAT_RGB565: 1975 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1976 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1977 #ifdef __BIG_ENDIAN 1978 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1979 ENDIAN_8IN16); 1980 #endif 1981 break; 1982 case DRM_FORMAT_XRGB8888: 1983 case DRM_FORMAT_ARGB8888: 1984 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1985 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1986 #ifdef __BIG_ENDIAN 1987 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1988 ENDIAN_8IN32); 1989 #endif 1990 break; 1991 case DRM_FORMAT_XRGB2101010: 1992 case DRM_FORMAT_ARGB2101010: 1993 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1994 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1995 #ifdef __BIG_ENDIAN 1996 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1997 ENDIAN_8IN32); 1998 #endif 1999 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2000 bypass_lut = true; 2001 break; 2002 case DRM_FORMAT_BGRX1010102: 2003 case DRM_FORMAT_BGRA1010102: 2004 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2005 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4); 2006 #ifdef __BIG_ENDIAN 2007 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2008 ENDIAN_8IN32); 2009 #endif 2010 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2011 bypass_lut = true; 2012 break; 2013 case DRM_FORMAT_XBGR8888: 2014 case DRM_FORMAT_ABGR8888: 2015 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2016 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 2017 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2); 2018 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2); 2019 #ifdef __BIG_ENDIAN 2020 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2021 ENDIAN_8IN32); 2022 #endif 2023 break; 2024 default: 2025 DRM_ERROR("Unsupported screen format %s\n", 2026 drm_get_format_name(target_fb->format->format, &format_name)); 2027 return -EINVAL; 2028 } 2029 2030 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 2031 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 2032 2033 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 2034 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 2035 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 2036 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 2037 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 2038 2039 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks); 2040 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2041 ARRAY_2D_TILED_THIN1); 2042 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT, 2043 tile_split); 2044 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw); 2045 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh); 2046 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT, 2047 mtaspect); 2048 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE, 2049 ADDR_SURF_MICRO_TILING_DISPLAY); 2050 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 2051 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2052 ARRAY_1D_TILED_THIN1); 2053 } 2054 2055 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG, 2056 pipe_config); 2057 2058 dce_v11_0_vga_enable(crtc, false); 2059 2060 /* Make sure surface address is updated at vertical blank rather than 2061 * horizontal blank 2062 */ 2063 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2064 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 2065 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0); 2066 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2067 2068 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2069 upper_32_bits(fb_location)); 2070 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2071 upper_32_bits(fb_location)); 2072 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2073 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2074 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2075 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2076 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2077 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2078 2079 /* 2080 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2081 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2082 * retain the full precision throughout the pipeline. 2083 */ 2084 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset); 2085 if (bypass_lut) 2086 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1); 2087 else 2088 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0); 2089 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp); 2090 2091 if (bypass_lut) 2092 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2093 2094 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2095 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2096 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2097 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2098 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2099 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2100 2101 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 2102 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2103 2104 dce_v11_0_grph_enable(crtc, true); 2105 2106 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2107 target_fb->height); 2108 2109 x &= ~3; 2110 y &= ~1; 2111 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2112 (x << 16) | y); 2113 viewport_w = crtc->mode.hdisplay; 2114 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2115 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2116 (viewport_w << 16) | viewport_h); 2117 2118 /* set pageflip to happen anywhere in vblank interval */ 2119 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); 2120 2121 if (!atomic && fb && fb != crtc->primary->fb) { 2122 abo = gem_to_amdgpu_bo(fb->obj[0]); 2123 r = amdgpu_bo_reserve(abo, true); 2124 if (unlikely(r != 0)) 2125 return r; 2126 amdgpu_bo_unpin(abo); 2127 amdgpu_bo_unreserve(abo); 2128 } 2129 2130 /* Bytes per pixel may have changed */ 2131 dce_v11_0_bandwidth_update(adev); 2132 2133 return 0; 2134 } 2135 2136 static void dce_v11_0_set_interleave(struct drm_crtc *crtc, 2137 struct drm_display_mode *mode) 2138 { 2139 struct drm_device *dev = crtc->dev; 2140 struct amdgpu_device *adev = dev->dev_private; 2141 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2142 u32 tmp; 2143 2144 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset); 2145 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2146 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1); 2147 else 2148 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0); 2149 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp); 2150 } 2151 2152 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc) 2153 { 2154 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2155 struct drm_device *dev = crtc->dev; 2156 struct amdgpu_device *adev = dev->dev_private; 2157 u16 *r, *g, *b; 2158 int i; 2159 u32 tmp; 2160 2161 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2162 2163 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2164 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0); 2165 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2166 2167 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset); 2168 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1); 2169 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2170 2171 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2172 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0); 2173 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2174 2175 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2176 2177 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2178 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2179 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2180 2181 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2182 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2183 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2184 2185 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2186 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2187 2188 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2189 r = crtc->gamma_store; 2190 g = r + crtc->gamma_size; 2191 b = g + crtc->gamma_size; 2192 for (i = 0; i < 256; i++) { 2193 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2194 ((*r++ & 0xffc0) << 14) | 2195 ((*g++ & 0xffc0) << 4) | 2196 (*b++ >> 6)); 2197 } 2198 2199 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2200 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0); 2201 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0); 2202 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0); 2203 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2204 2205 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset); 2206 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0); 2207 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2208 2209 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2210 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0); 2211 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2212 2213 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2214 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0); 2215 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2216 2217 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2218 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0); 2219 /* XXX this only needs to be programmed once per crtc at startup, 2220 * not sure where the best place for it is 2221 */ 2222 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset); 2223 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1); 2224 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2225 } 2226 2227 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder) 2228 { 2229 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2230 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2231 2232 switch (amdgpu_encoder->encoder_id) { 2233 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2234 if (dig->linkb) 2235 return 1; 2236 else 2237 return 0; 2238 break; 2239 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2240 if (dig->linkb) 2241 return 3; 2242 else 2243 return 2; 2244 break; 2245 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2246 if (dig->linkb) 2247 return 5; 2248 else 2249 return 4; 2250 break; 2251 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2252 return 6; 2253 break; 2254 default: 2255 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2256 return 0; 2257 } 2258 } 2259 2260 /** 2261 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc. 2262 * 2263 * @crtc: drm crtc 2264 * 2265 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2266 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2267 * monitors a dedicated PPLL must be used. If a particular board has 2268 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2269 * as there is no need to program the PLL itself. If we are not able to 2270 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2271 * avoid messing up an existing monitor. 2272 * 2273 * Asic specific PLL information 2274 * 2275 * DCE 10.x 2276 * Tonga 2277 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2278 * CI 2279 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2280 * 2281 */ 2282 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc) 2283 { 2284 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2285 struct drm_device *dev = crtc->dev; 2286 struct amdgpu_device *adev = dev->dev_private; 2287 u32 pll_in_use; 2288 int pll; 2289 2290 if ((adev->asic_type == CHIP_POLARIS10) || 2291 (adev->asic_type == CHIP_POLARIS11) || 2292 (adev->asic_type == CHIP_POLARIS12) || 2293 (adev->asic_type == CHIP_VEGAM)) { 2294 struct amdgpu_encoder *amdgpu_encoder = 2295 to_amdgpu_encoder(amdgpu_crtc->encoder); 2296 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2297 2298 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2299 return ATOM_DP_DTO; 2300 2301 switch (amdgpu_encoder->encoder_id) { 2302 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2303 if (dig->linkb) 2304 return ATOM_COMBOPHY_PLL1; 2305 else 2306 return ATOM_COMBOPHY_PLL0; 2307 break; 2308 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2309 if (dig->linkb) 2310 return ATOM_COMBOPHY_PLL3; 2311 else 2312 return ATOM_COMBOPHY_PLL2; 2313 break; 2314 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2315 if (dig->linkb) 2316 return ATOM_COMBOPHY_PLL5; 2317 else 2318 return ATOM_COMBOPHY_PLL4; 2319 break; 2320 default: 2321 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2322 return ATOM_PPLL_INVALID; 2323 } 2324 } 2325 2326 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2327 if (adev->clock.dp_extclk) 2328 /* skip PPLL programming if using ext clock */ 2329 return ATOM_PPLL_INVALID; 2330 else { 2331 /* use the same PPLL for all DP monitors */ 2332 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2333 if (pll != ATOM_PPLL_INVALID) 2334 return pll; 2335 } 2336 } else { 2337 /* use the same PPLL for all monitors with the same clock */ 2338 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2339 if (pll != ATOM_PPLL_INVALID) 2340 return pll; 2341 } 2342 2343 /* XXX need to determine what plls are available on each DCE11 part */ 2344 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2345 if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) { 2346 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2347 return ATOM_PPLL1; 2348 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2349 return ATOM_PPLL0; 2350 DRM_ERROR("unable to allocate a PPLL\n"); 2351 return ATOM_PPLL_INVALID; 2352 } else { 2353 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2354 return ATOM_PPLL2; 2355 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2356 return ATOM_PPLL1; 2357 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2358 return ATOM_PPLL0; 2359 DRM_ERROR("unable to allocate a PPLL\n"); 2360 return ATOM_PPLL_INVALID; 2361 } 2362 return ATOM_PPLL_INVALID; 2363 } 2364 2365 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2366 { 2367 struct amdgpu_device *adev = crtc->dev->dev_private; 2368 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2369 uint32_t cur_lock; 2370 2371 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2372 if (lock) 2373 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1); 2374 else 2375 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0); 2376 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2377 } 2378 2379 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc) 2380 { 2381 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2382 struct amdgpu_device *adev = crtc->dev->dev_private; 2383 u32 tmp; 2384 2385 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2386 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0); 2387 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2388 } 2389 2390 static void dce_v11_0_show_cursor(struct drm_crtc *crtc) 2391 { 2392 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2393 struct amdgpu_device *adev = crtc->dev->dev_private; 2394 u32 tmp; 2395 2396 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2397 upper_32_bits(amdgpu_crtc->cursor_addr)); 2398 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2399 lower_32_bits(amdgpu_crtc->cursor_addr)); 2400 2401 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2402 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1); 2403 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2); 2404 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2405 } 2406 2407 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc, 2408 int x, int y) 2409 { 2410 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2411 struct amdgpu_device *adev = crtc->dev->dev_private; 2412 int xorigin = 0, yorigin = 0; 2413 2414 amdgpu_crtc->cursor_x = x; 2415 amdgpu_crtc->cursor_y = y; 2416 2417 /* avivo cursor are offset into the total surface */ 2418 x += crtc->x; 2419 y += crtc->y; 2420 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2421 2422 if (x < 0) { 2423 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2424 x = 0; 2425 } 2426 if (y < 0) { 2427 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2428 y = 0; 2429 } 2430 2431 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2432 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2433 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2434 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2435 2436 return 0; 2437 } 2438 2439 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc, 2440 int x, int y) 2441 { 2442 int ret; 2443 2444 dce_v11_0_lock_cursor(crtc, true); 2445 ret = dce_v11_0_cursor_move_locked(crtc, x, y); 2446 dce_v11_0_lock_cursor(crtc, false); 2447 2448 return ret; 2449 } 2450 2451 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc, 2452 struct drm_file *file_priv, 2453 uint32_t handle, 2454 uint32_t width, 2455 uint32_t height, 2456 int32_t hot_x, 2457 int32_t hot_y) 2458 { 2459 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2460 struct drm_gem_object *obj; 2461 struct amdgpu_bo *aobj; 2462 int ret; 2463 2464 if (!handle) { 2465 /* turn off cursor */ 2466 dce_v11_0_hide_cursor(crtc); 2467 obj = NULL; 2468 goto unpin; 2469 } 2470 2471 if ((width > amdgpu_crtc->max_cursor_width) || 2472 (height > amdgpu_crtc->max_cursor_height)) { 2473 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2474 return -EINVAL; 2475 } 2476 2477 obj = drm_gem_object_lookup(file_priv, handle); 2478 if (!obj) { 2479 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2480 return -ENOENT; 2481 } 2482 2483 aobj = gem_to_amdgpu_bo(obj); 2484 ret = amdgpu_bo_reserve(aobj, false); 2485 if (ret != 0) { 2486 drm_gem_object_put_unlocked(obj); 2487 return ret; 2488 } 2489 2490 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); 2491 amdgpu_bo_unreserve(aobj); 2492 if (ret) { 2493 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2494 drm_gem_object_put_unlocked(obj); 2495 return ret; 2496 } 2497 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); 2498 2499 dce_v11_0_lock_cursor(crtc, true); 2500 2501 if (width != amdgpu_crtc->cursor_width || 2502 height != amdgpu_crtc->cursor_height || 2503 hot_x != amdgpu_crtc->cursor_hot_x || 2504 hot_y != amdgpu_crtc->cursor_hot_y) { 2505 int x, y; 2506 2507 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2508 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2509 2510 dce_v11_0_cursor_move_locked(crtc, x, y); 2511 2512 amdgpu_crtc->cursor_width = width; 2513 amdgpu_crtc->cursor_height = height; 2514 amdgpu_crtc->cursor_hot_x = hot_x; 2515 amdgpu_crtc->cursor_hot_y = hot_y; 2516 } 2517 2518 dce_v11_0_show_cursor(crtc); 2519 dce_v11_0_lock_cursor(crtc, false); 2520 2521 unpin: 2522 if (amdgpu_crtc->cursor_bo) { 2523 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2524 ret = amdgpu_bo_reserve(aobj, true); 2525 if (likely(ret == 0)) { 2526 amdgpu_bo_unpin(aobj); 2527 amdgpu_bo_unreserve(aobj); 2528 } 2529 drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo); 2530 } 2531 2532 amdgpu_crtc->cursor_bo = obj; 2533 return 0; 2534 } 2535 2536 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc) 2537 { 2538 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2539 2540 if (amdgpu_crtc->cursor_bo) { 2541 dce_v11_0_lock_cursor(crtc, true); 2542 2543 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2544 amdgpu_crtc->cursor_y); 2545 2546 dce_v11_0_show_cursor(crtc); 2547 2548 dce_v11_0_lock_cursor(crtc, false); 2549 } 2550 } 2551 2552 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2553 u16 *blue, uint32_t size, 2554 struct drm_modeset_acquire_ctx *ctx) 2555 { 2556 dce_v11_0_crtc_load_lut(crtc); 2557 2558 return 0; 2559 } 2560 2561 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc) 2562 { 2563 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2564 2565 drm_crtc_cleanup(crtc); 2566 kfree(amdgpu_crtc); 2567 } 2568 2569 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = { 2570 .cursor_set2 = dce_v11_0_crtc_cursor_set2, 2571 .cursor_move = dce_v11_0_crtc_cursor_move, 2572 .gamma_set = dce_v11_0_crtc_gamma_set, 2573 .set_config = amdgpu_display_crtc_set_config, 2574 .destroy = dce_v11_0_crtc_destroy, 2575 .page_flip_target = amdgpu_display_crtc_page_flip_target, 2576 }; 2577 2578 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2579 { 2580 struct drm_device *dev = crtc->dev; 2581 struct amdgpu_device *adev = dev->dev_private; 2582 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2583 unsigned type; 2584 2585 switch (mode) { 2586 case DRM_MODE_DPMS_ON: 2587 amdgpu_crtc->enabled = true; 2588 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2589 dce_v11_0_vga_enable(crtc, true); 2590 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2591 dce_v11_0_vga_enable(crtc, false); 2592 /* Make sure VBLANK and PFLIP interrupts are still enabled */ 2593 type = amdgpu_display_crtc_idx_to_irq_type(adev, 2594 amdgpu_crtc->crtc_id); 2595 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2596 amdgpu_irq_update(adev, &adev->pageflip_irq, type); 2597 drm_crtc_vblank_on(crtc); 2598 dce_v11_0_crtc_load_lut(crtc); 2599 break; 2600 case DRM_MODE_DPMS_STANDBY: 2601 case DRM_MODE_DPMS_SUSPEND: 2602 case DRM_MODE_DPMS_OFF: 2603 drm_crtc_vblank_off(crtc); 2604 if (amdgpu_crtc->enabled) { 2605 dce_v11_0_vga_enable(crtc, true); 2606 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2607 dce_v11_0_vga_enable(crtc, false); 2608 } 2609 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2610 amdgpu_crtc->enabled = false; 2611 break; 2612 } 2613 /* adjust pm to dpms */ 2614 amdgpu_pm_compute_clocks(adev); 2615 } 2616 2617 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc) 2618 { 2619 /* disable crtc pair power gating before programming */ 2620 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2621 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2622 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2623 } 2624 2625 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc) 2626 { 2627 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2628 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2629 } 2630 2631 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc) 2632 { 2633 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2634 struct drm_device *dev = crtc->dev; 2635 struct amdgpu_device *adev = dev->dev_private; 2636 struct amdgpu_atom_ss ss; 2637 int i; 2638 2639 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2640 if (crtc->primary->fb) { 2641 int r; 2642 struct amdgpu_bo *abo; 2643 2644 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]); 2645 r = amdgpu_bo_reserve(abo, true); 2646 if (unlikely(r)) 2647 DRM_ERROR("failed to reserve abo before unpin\n"); 2648 else { 2649 amdgpu_bo_unpin(abo); 2650 amdgpu_bo_unreserve(abo); 2651 } 2652 } 2653 /* disable the GRPH */ 2654 dce_v11_0_grph_enable(crtc, false); 2655 2656 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2657 2658 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2659 if (adev->mode_info.crtcs[i] && 2660 adev->mode_info.crtcs[i]->enabled && 2661 i != amdgpu_crtc->crtc_id && 2662 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2663 /* one other crtc is using this pll don't turn 2664 * off the pll 2665 */ 2666 goto done; 2667 } 2668 } 2669 2670 switch (amdgpu_crtc->pll_id) { 2671 case ATOM_PPLL0: 2672 case ATOM_PPLL1: 2673 case ATOM_PPLL2: 2674 /* disable the ppll */ 2675 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2676 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2677 break; 2678 case ATOM_COMBOPHY_PLL0: 2679 case ATOM_COMBOPHY_PLL1: 2680 case ATOM_COMBOPHY_PLL2: 2681 case ATOM_COMBOPHY_PLL3: 2682 case ATOM_COMBOPHY_PLL4: 2683 case ATOM_COMBOPHY_PLL5: 2684 /* disable the ppll */ 2685 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id, 2686 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2687 break; 2688 default: 2689 break; 2690 } 2691 done: 2692 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2693 amdgpu_crtc->adjusted_clock = 0; 2694 amdgpu_crtc->encoder = NULL; 2695 amdgpu_crtc->connector = NULL; 2696 } 2697 2698 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc, 2699 struct drm_display_mode *mode, 2700 struct drm_display_mode *adjusted_mode, 2701 int x, int y, struct drm_framebuffer *old_fb) 2702 { 2703 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2704 struct drm_device *dev = crtc->dev; 2705 struct amdgpu_device *adev = dev->dev_private; 2706 2707 if (!amdgpu_crtc->adjusted_clock) 2708 return -EINVAL; 2709 2710 if ((adev->asic_type == CHIP_POLARIS10) || 2711 (adev->asic_type == CHIP_POLARIS11) || 2712 (adev->asic_type == CHIP_POLARIS12) || 2713 (adev->asic_type == CHIP_VEGAM)) { 2714 struct amdgpu_encoder *amdgpu_encoder = 2715 to_amdgpu_encoder(amdgpu_crtc->encoder); 2716 int encoder_mode = 2717 amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder); 2718 2719 /* SetPixelClock calculates the plls and ss values now */ 2720 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, 2721 amdgpu_crtc->pll_id, 2722 encoder_mode, amdgpu_encoder->encoder_id, 2723 adjusted_mode->clock, 0, 0, 0, 0, 2724 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss); 2725 } else { 2726 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2727 } 2728 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2729 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2730 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2731 amdgpu_atombios_crtc_scaler_setup(crtc); 2732 dce_v11_0_cursor_reset(crtc); 2733 /* update the hw version fpr dpm */ 2734 amdgpu_crtc->hw_mode = *adjusted_mode; 2735 2736 return 0; 2737 } 2738 2739 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc, 2740 const struct drm_display_mode *mode, 2741 struct drm_display_mode *adjusted_mode) 2742 { 2743 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2744 struct drm_device *dev = crtc->dev; 2745 struct drm_encoder *encoder; 2746 2747 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2748 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2749 if (encoder->crtc == crtc) { 2750 amdgpu_crtc->encoder = encoder; 2751 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2752 break; 2753 } 2754 } 2755 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2756 amdgpu_crtc->encoder = NULL; 2757 amdgpu_crtc->connector = NULL; 2758 return false; 2759 } 2760 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2761 return false; 2762 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2763 return false; 2764 /* pick pll */ 2765 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc); 2766 /* if we can't get a PPLL for a non-DP encoder, fail */ 2767 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2768 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2769 return false; 2770 2771 return true; 2772 } 2773 2774 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2775 struct drm_framebuffer *old_fb) 2776 { 2777 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2778 } 2779 2780 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc, 2781 struct drm_framebuffer *fb, 2782 int x, int y, enum mode_set_atomic state) 2783 { 2784 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1); 2785 } 2786 2787 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = { 2788 .dpms = dce_v11_0_crtc_dpms, 2789 .mode_fixup = dce_v11_0_crtc_mode_fixup, 2790 .mode_set = dce_v11_0_crtc_mode_set, 2791 .mode_set_base = dce_v11_0_crtc_set_base, 2792 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic, 2793 .prepare = dce_v11_0_crtc_prepare, 2794 .commit = dce_v11_0_crtc_commit, 2795 .disable = dce_v11_0_crtc_disable, 2796 }; 2797 2798 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index) 2799 { 2800 struct amdgpu_crtc *amdgpu_crtc; 2801 2802 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2803 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2804 if (amdgpu_crtc == NULL) 2805 return -ENOMEM; 2806 2807 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs); 2808 2809 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2810 amdgpu_crtc->crtc_id = index; 2811 adev->mode_info.crtcs[index] = amdgpu_crtc; 2812 2813 amdgpu_crtc->max_cursor_width = 128; 2814 amdgpu_crtc->max_cursor_height = 128; 2815 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2816 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2817 2818 switch (amdgpu_crtc->crtc_id) { 2819 case 0: 2820 default: 2821 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET; 2822 break; 2823 case 1: 2824 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET; 2825 break; 2826 case 2: 2827 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET; 2828 break; 2829 case 3: 2830 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET; 2831 break; 2832 case 4: 2833 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET; 2834 break; 2835 case 5: 2836 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET; 2837 break; 2838 } 2839 2840 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2841 amdgpu_crtc->adjusted_clock = 0; 2842 amdgpu_crtc->encoder = NULL; 2843 amdgpu_crtc->connector = NULL; 2844 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs); 2845 2846 return 0; 2847 } 2848 2849 static int dce_v11_0_early_init(void *handle) 2850 { 2851 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2852 2853 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg; 2854 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg; 2855 2856 dce_v11_0_set_display_funcs(adev); 2857 2858 adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev); 2859 2860 switch (adev->asic_type) { 2861 case CHIP_CARRIZO: 2862 adev->mode_info.num_hpd = 6; 2863 adev->mode_info.num_dig = 9; 2864 break; 2865 case CHIP_STONEY: 2866 adev->mode_info.num_hpd = 6; 2867 adev->mode_info.num_dig = 9; 2868 break; 2869 case CHIP_POLARIS10: 2870 case CHIP_VEGAM: 2871 adev->mode_info.num_hpd = 6; 2872 adev->mode_info.num_dig = 6; 2873 break; 2874 case CHIP_POLARIS11: 2875 case CHIP_POLARIS12: 2876 adev->mode_info.num_hpd = 5; 2877 adev->mode_info.num_dig = 5; 2878 break; 2879 default: 2880 /* FIXME: not supported yet */ 2881 return -EINVAL; 2882 } 2883 2884 dce_v11_0_set_irq_funcs(adev); 2885 2886 return 0; 2887 } 2888 2889 static int dce_v11_0_sw_init(void *handle) 2890 { 2891 int r, i; 2892 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2893 2894 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2895 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq); 2896 if (r) 2897 return r; 2898 } 2899 2900 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) { 2901 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq); 2902 if (r) 2903 return r; 2904 } 2905 2906 /* HPD hotplug */ 2907 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); 2908 if (r) 2909 return r; 2910 2911 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs; 2912 2913 adev->ddev->mode_config.async_page_flip = true; 2914 2915 adev->ddev->mode_config.max_width = 16384; 2916 adev->ddev->mode_config.max_height = 16384; 2917 2918 adev->ddev->mode_config.preferred_depth = 24; 2919 adev->ddev->mode_config.prefer_shadow = 1; 2920 2921 adev->ddev->mode_config.fb_base = adev->gmc.aper_base; 2922 2923 r = amdgpu_display_modeset_create_props(adev); 2924 if (r) 2925 return r; 2926 2927 adev->ddev->mode_config.max_width = 16384; 2928 adev->ddev->mode_config.max_height = 16384; 2929 2930 2931 /* allocate crtcs */ 2932 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2933 r = dce_v11_0_crtc_init(adev, i); 2934 if (r) 2935 return r; 2936 } 2937 2938 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 2939 amdgpu_display_print_display_setup(adev->ddev); 2940 else 2941 return -EINVAL; 2942 2943 /* setup afmt */ 2944 r = dce_v11_0_afmt_init(adev); 2945 if (r) 2946 return r; 2947 2948 r = dce_v11_0_audio_init(adev); 2949 if (r) 2950 return r; 2951 2952 drm_kms_helper_poll_init(adev->ddev); 2953 2954 adev->mode_info.mode_config_initialized = true; 2955 return 0; 2956 } 2957 2958 static int dce_v11_0_sw_fini(void *handle) 2959 { 2960 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2961 2962 kfree(adev->mode_info.bios_hardcoded_edid); 2963 2964 drm_kms_helper_poll_fini(adev->ddev); 2965 2966 dce_v11_0_audio_fini(adev); 2967 2968 dce_v11_0_afmt_fini(adev); 2969 2970 drm_mode_config_cleanup(adev->ddev); 2971 adev->mode_info.mode_config_initialized = false; 2972 2973 return 0; 2974 } 2975 2976 static int dce_v11_0_hw_init(void *handle) 2977 { 2978 int i; 2979 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2980 2981 dce_v11_0_init_golden_registers(adev); 2982 2983 /* disable vga render */ 2984 dce_v11_0_set_vga_render_state(adev, false); 2985 /* init dig PHYs, disp eng pll */ 2986 amdgpu_atombios_crtc_powergate_init(adev); 2987 amdgpu_atombios_encoder_init_dig(adev); 2988 if ((adev->asic_type == CHIP_POLARIS10) || 2989 (adev->asic_type == CHIP_POLARIS11) || 2990 (adev->asic_type == CHIP_POLARIS12) || 2991 (adev->asic_type == CHIP_VEGAM)) { 2992 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk, 2993 DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS); 2994 amdgpu_atombios_crtc_set_dce_clock(adev, 0, 2995 DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS); 2996 } else { 2997 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 2998 } 2999 3000 /* initialize hpd */ 3001 dce_v11_0_hpd_init(adev); 3002 3003 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 3004 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 3005 } 3006 3007 dce_v11_0_pageflip_interrupt_init(adev); 3008 3009 return 0; 3010 } 3011 3012 static int dce_v11_0_hw_fini(void *handle) 3013 { 3014 int i; 3015 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3016 3017 dce_v11_0_hpd_fini(adev); 3018 3019 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 3020 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 3021 } 3022 3023 dce_v11_0_pageflip_interrupt_fini(adev); 3024 3025 return 0; 3026 } 3027 3028 static int dce_v11_0_suspend(void *handle) 3029 { 3030 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3031 3032 adev->mode_info.bl_level = 3033 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev); 3034 3035 return dce_v11_0_hw_fini(handle); 3036 } 3037 3038 static int dce_v11_0_resume(void *handle) 3039 { 3040 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3041 int ret; 3042 3043 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev, 3044 adev->mode_info.bl_level); 3045 3046 ret = dce_v11_0_hw_init(handle); 3047 3048 /* turn on the BL */ 3049 if (adev->mode_info.bl_encoder) { 3050 u8 bl_level = amdgpu_display_backlight_get_level(adev, 3051 adev->mode_info.bl_encoder); 3052 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 3053 bl_level); 3054 } 3055 3056 return ret; 3057 } 3058 3059 static bool dce_v11_0_is_idle(void *handle) 3060 { 3061 return true; 3062 } 3063 3064 static int dce_v11_0_wait_for_idle(void *handle) 3065 { 3066 return 0; 3067 } 3068 3069 static int dce_v11_0_soft_reset(void *handle) 3070 { 3071 u32 srbm_soft_reset = 0, tmp; 3072 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3073 3074 if (dce_v11_0_is_display_hung(adev)) 3075 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 3076 3077 if (srbm_soft_reset) { 3078 tmp = RREG32(mmSRBM_SOFT_RESET); 3079 tmp |= srbm_soft_reset; 3080 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 3081 WREG32(mmSRBM_SOFT_RESET, tmp); 3082 tmp = RREG32(mmSRBM_SOFT_RESET); 3083 3084 udelay(50); 3085 3086 tmp &= ~srbm_soft_reset; 3087 WREG32(mmSRBM_SOFT_RESET, tmp); 3088 tmp = RREG32(mmSRBM_SOFT_RESET); 3089 3090 /* Wait a little for things to settle down */ 3091 udelay(50); 3092 } 3093 return 0; 3094 } 3095 3096 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 3097 int crtc, 3098 enum amdgpu_interrupt_state state) 3099 { 3100 u32 lb_interrupt_mask; 3101 3102 if (crtc >= adev->mode_info.num_crtc) { 3103 DRM_DEBUG("invalid crtc %d\n", crtc); 3104 return; 3105 } 3106 3107 switch (state) { 3108 case AMDGPU_IRQ_STATE_DISABLE: 3109 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3110 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3111 VBLANK_INTERRUPT_MASK, 0); 3112 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3113 break; 3114 case AMDGPU_IRQ_STATE_ENABLE: 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, 1); 3118 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3119 break; 3120 default: 3121 break; 3122 } 3123 } 3124 3125 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3126 int crtc, 3127 enum amdgpu_interrupt_state state) 3128 { 3129 u32 lb_interrupt_mask; 3130 3131 if (crtc >= adev->mode_info.num_crtc) { 3132 DRM_DEBUG("invalid crtc %d\n", crtc); 3133 return; 3134 } 3135 3136 switch (state) { 3137 case AMDGPU_IRQ_STATE_DISABLE: 3138 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3139 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3140 VLINE_INTERRUPT_MASK, 0); 3141 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3142 break; 3143 case AMDGPU_IRQ_STATE_ENABLE: 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, 1); 3147 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3148 break; 3149 default: 3150 break; 3151 } 3152 } 3153 3154 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev, 3155 struct amdgpu_irq_src *source, 3156 unsigned hpd, 3157 enum amdgpu_interrupt_state state) 3158 { 3159 u32 tmp; 3160 3161 if (hpd >= adev->mode_info.num_hpd) { 3162 DRM_DEBUG("invalid hdp %d\n", hpd); 3163 return 0; 3164 } 3165 3166 switch (state) { 3167 case AMDGPU_IRQ_STATE_DISABLE: 3168 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3169 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 3170 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3171 break; 3172 case AMDGPU_IRQ_STATE_ENABLE: 3173 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3174 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1); 3175 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3176 break; 3177 default: 3178 break; 3179 } 3180 3181 return 0; 3182 } 3183 3184 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev, 3185 struct amdgpu_irq_src *source, 3186 unsigned type, 3187 enum amdgpu_interrupt_state state) 3188 { 3189 switch (type) { 3190 case AMDGPU_CRTC_IRQ_VBLANK1: 3191 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3192 break; 3193 case AMDGPU_CRTC_IRQ_VBLANK2: 3194 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3195 break; 3196 case AMDGPU_CRTC_IRQ_VBLANK3: 3197 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3198 break; 3199 case AMDGPU_CRTC_IRQ_VBLANK4: 3200 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3201 break; 3202 case AMDGPU_CRTC_IRQ_VBLANK5: 3203 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3204 break; 3205 case AMDGPU_CRTC_IRQ_VBLANK6: 3206 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3207 break; 3208 case AMDGPU_CRTC_IRQ_VLINE1: 3209 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state); 3210 break; 3211 case AMDGPU_CRTC_IRQ_VLINE2: 3212 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state); 3213 break; 3214 case AMDGPU_CRTC_IRQ_VLINE3: 3215 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state); 3216 break; 3217 case AMDGPU_CRTC_IRQ_VLINE4: 3218 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state); 3219 break; 3220 case AMDGPU_CRTC_IRQ_VLINE5: 3221 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state); 3222 break; 3223 case AMDGPU_CRTC_IRQ_VLINE6: 3224 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state); 3225 break; 3226 default: 3227 break; 3228 } 3229 return 0; 3230 } 3231 3232 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev, 3233 struct amdgpu_irq_src *src, 3234 unsigned type, 3235 enum amdgpu_interrupt_state state) 3236 { 3237 u32 reg; 3238 3239 if (type >= adev->mode_info.num_crtc) { 3240 DRM_ERROR("invalid pageflip crtc %d\n", type); 3241 return -EINVAL; 3242 } 3243 3244 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3245 if (state == AMDGPU_IRQ_STATE_DISABLE) 3246 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3247 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3248 else 3249 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3250 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3251 3252 return 0; 3253 } 3254 3255 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev, 3256 struct amdgpu_irq_src *source, 3257 struct amdgpu_iv_entry *entry) 3258 { 3259 unsigned long flags; 3260 unsigned crtc_id; 3261 struct amdgpu_crtc *amdgpu_crtc; 3262 struct amdgpu_flip_work *works; 3263 3264 crtc_id = (entry->src_id - 8) >> 1; 3265 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3266 3267 if (crtc_id >= adev->mode_info.num_crtc) { 3268 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3269 return -EINVAL; 3270 } 3271 3272 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3273 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3274 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3275 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3276 3277 /* IRQ could occur when in initial stage */ 3278 if(amdgpu_crtc == NULL) 3279 return 0; 3280 3281 spin_lock_irqsave(&adev->ddev->event_lock, flags); 3282 works = amdgpu_crtc->pflip_works; 3283 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){ 3284 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3285 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3286 amdgpu_crtc->pflip_status, 3287 AMDGPU_FLIP_SUBMITTED); 3288 spin_unlock_irqrestore(&adev->ddev->event_lock, flags); 3289 return 0; 3290 } 3291 3292 /* page flip completed. clean up */ 3293 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3294 amdgpu_crtc->pflip_works = NULL; 3295 3296 /* wakeup usersapce */ 3297 if(works->event) 3298 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); 3299 3300 spin_unlock_irqrestore(&adev->ddev->event_lock, flags); 3301 3302 drm_crtc_vblank_put(&amdgpu_crtc->base); 3303 schedule_work(&works->unpin_work); 3304 3305 return 0; 3306 } 3307 3308 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, 3309 int hpd) 3310 { 3311 u32 tmp; 3312 3313 if (hpd >= adev->mode_info.num_hpd) { 3314 DRM_DEBUG("invalid hdp %d\n", hpd); 3315 return; 3316 } 3317 3318 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3319 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1); 3320 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3321 } 3322 3323 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev, 3324 int crtc) 3325 { 3326 u32 tmp; 3327 3328 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { 3329 DRM_DEBUG("invalid crtc %d\n", crtc); 3330 return; 3331 } 3332 3333 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]); 3334 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1); 3335 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp); 3336 } 3337 3338 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev, 3339 int crtc) 3340 { 3341 u32 tmp; 3342 3343 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { 3344 DRM_DEBUG("invalid crtc %d\n", crtc); 3345 return; 3346 } 3347 3348 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]); 3349 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1); 3350 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp); 3351 } 3352 3353 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev, 3354 struct amdgpu_irq_src *source, 3355 struct amdgpu_iv_entry *entry) 3356 { 3357 unsigned crtc = entry->src_id - 1; 3358 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3359 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, 3360 crtc); 3361 3362 switch (entry->src_data[0]) { 3363 case 0: /* vblank */ 3364 if (disp_int & interrupt_status_offsets[crtc].vblank) 3365 dce_v11_0_crtc_vblank_int_ack(adev, crtc); 3366 else 3367 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3368 3369 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3370 drm_handle_vblank(adev->ddev, crtc); 3371 } 3372 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3373 3374 break; 3375 case 1: /* vline */ 3376 if (disp_int & interrupt_status_offsets[crtc].vline) 3377 dce_v11_0_crtc_vline_int_ack(adev, crtc); 3378 else 3379 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3380 3381 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3382 3383 break; 3384 default: 3385 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3386 break; 3387 } 3388 3389 return 0; 3390 } 3391 3392 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev, 3393 struct amdgpu_irq_src *source, 3394 struct amdgpu_iv_entry *entry) 3395 { 3396 uint32_t disp_int, mask; 3397 unsigned hpd; 3398 3399 if (entry->src_data[0] >= adev->mode_info.num_hpd) { 3400 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3401 return 0; 3402 } 3403 3404 hpd = entry->src_data[0]; 3405 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3406 mask = interrupt_status_offsets[hpd].hpd; 3407 3408 if (disp_int & mask) { 3409 dce_v11_0_hpd_int_ack(adev, hpd); 3410 schedule_work(&adev->hotplug_work); 3411 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3412 } 3413 3414 return 0; 3415 } 3416 3417 static int dce_v11_0_set_clockgating_state(void *handle, 3418 enum amd_clockgating_state state) 3419 { 3420 return 0; 3421 } 3422 3423 static int dce_v11_0_set_powergating_state(void *handle, 3424 enum amd_powergating_state state) 3425 { 3426 return 0; 3427 } 3428 3429 static const struct amd_ip_funcs dce_v11_0_ip_funcs = { 3430 .name = "dce_v11_0", 3431 .early_init = dce_v11_0_early_init, 3432 .late_init = NULL, 3433 .sw_init = dce_v11_0_sw_init, 3434 .sw_fini = dce_v11_0_sw_fini, 3435 .hw_init = dce_v11_0_hw_init, 3436 .hw_fini = dce_v11_0_hw_fini, 3437 .suspend = dce_v11_0_suspend, 3438 .resume = dce_v11_0_resume, 3439 .is_idle = dce_v11_0_is_idle, 3440 .wait_for_idle = dce_v11_0_wait_for_idle, 3441 .soft_reset = dce_v11_0_soft_reset, 3442 .set_clockgating_state = dce_v11_0_set_clockgating_state, 3443 .set_powergating_state = dce_v11_0_set_powergating_state, 3444 }; 3445 3446 static void 3447 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder, 3448 struct drm_display_mode *mode, 3449 struct drm_display_mode *adjusted_mode) 3450 { 3451 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3452 3453 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3454 3455 /* need to call this here rather than in prepare() since we need some crtc info */ 3456 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3457 3458 /* set scaler clears this on some chips */ 3459 dce_v11_0_set_interleave(encoder->crtc, mode); 3460 3461 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3462 dce_v11_0_afmt_enable(encoder, true); 3463 dce_v11_0_afmt_setmode(encoder, adjusted_mode); 3464 } 3465 } 3466 3467 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder) 3468 { 3469 struct amdgpu_device *adev = encoder->dev->dev_private; 3470 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3471 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3472 3473 if ((amdgpu_encoder->active_device & 3474 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3475 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3476 ENCODER_OBJECT_ID_NONE)) { 3477 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3478 if (dig) { 3479 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder); 3480 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3481 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3482 } 3483 } 3484 3485 amdgpu_atombios_scratch_regs_lock(adev, true); 3486 3487 if (connector) { 3488 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3489 3490 /* select the clock/data port if it uses a router */ 3491 if (amdgpu_connector->router.cd_valid) 3492 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3493 3494 /* turn eDP panel on for mode set */ 3495 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3496 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3497 ATOM_TRANSMITTER_ACTION_POWER_ON); 3498 } 3499 3500 /* this is needed for the pll/ss setup to work correctly in some cases */ 3501 amdgpu_atombios_encoder_set_crtc_source(encoder); 3502 /* set up the FMT blocks */ 3503 dce_v11_0_program_fmt(encoder); 3504 } 3505 3506 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder) 3507 { 3508 struct drm_device *dev = encoder->dev; 3509 struct amdgpu_device *adev = dev->dev_private; 3510 3511 /* need to call this here as we need the crtc set up */ 3512 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3513 amdgpu_atombios_scratch_regs_lock(adev, false); 3514 } 3515 3516 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder) 3517 { 3518 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3519 struct amdgpu_encoder_atom_dig *dig; 3520 3521 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3522 3523 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3524 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3525 dce_v11_0_afmt_enable(encoder, false); 3526 dig = amdgpu_encoder->enc_priv; 3527 dig->dig_encoder = -1; 3528 } 3529 amdgpu_encoder->active_device = 0; 3530 } 3531 3532 /* these are handled by the primary encoders */ 3533 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder) 3534 { 3535 3536 } 3537 3538 static void dce_v11_0_ext_commit(struct drm_encoder *encoder) 3539 { 3540 3541 } 3542 3543 static void 3544 dce_v11_0_ext_mode_set(struct drm_encoder *encoder, 3545 struct drm_display_mode *mode, 3546 struct drm_display_mode *adjusted_mode) 3547 { 3548 3549 } 3550 3551 static void dce_v11_0_ext_disable(struct drm_encoder *encoder) 3552 { 3553 3554 } 3555 3556 static void 3557 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode) 3558 { 3559 3560 } 3561 3562 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = { 3563 .dpms = dce_v11_0_ext_dpms, 3564 .prepare = dce_v11_0_ext_prepare, 3565 .mode_set = dce_v11_0_ext_mode_set, 3566 .commit = dce_v11_0_ext_commit, 3567 .disable = dce_v11_0_ext_disable, 3568 /* no detect for TMDS/LVDS yet */ 3569 }; 3570 3571 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = { 3572 .dpms = amdgpu_atombios_encoder_dpms, 3573 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3574 .prepare = dce_v11_0_encoder_prepare, 3575 .mode_set = dce_v11_0_encoder_mode_set, 3576 .commit = dce_v11_0_encoder_commit, 3577 .disable = dce_v11_0_encoder_disable, 3578 .detect = amdgpu_atombios_encoder_dig_detect, 3579 }; 3580 3581 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = { 3582 .dpms = amdgpu_atombios_encoder_dpms, 3583 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3584 .prepare = dce_v11_0_encoder_prepare, 3585 .mode_set = dce_v11_0_encoder_mode_set, 3586 .commit = dce_v11_0_encoder_commit, 3587 .detect = amdgpu_atombios_encoder_dac_detect, 3588 }; 3589 3590 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder) 3591 { 3592 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3593 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3594 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3595 kfree(amdgpu_encoder->enc_priv); 3596 drm_encoder_cleanup(encoder); 3597 kfree(amdgpu_encoder); 3598 } 3599 3600 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = { 3601 .destroy = dce_v11_0_encoder_destroy, 3602 }; 3603 3604 static void dce_v11_0_encoder_add(struct amdgpu_device *adev, 3605 uint32_t encoder_enum, 3606 uint32_t supported_device, 3607 u16 caps) 3608 { 3609 struct drm_device *dev = adev->ddev; 3610 struct drm_encoder *encoder; 3611 struct amdgpu_encoder *amdgpu_encoder; 3612 3613 /* see if we already added it */ 3614 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3615 amdgpu_encoder = to_amdgpu_encoder(encoder); 3616 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3617 amdgpu_encoder->devices |= supported_device; 3618 return; 3619 } 3620 3621 } 3622 3623 /* add a new one */ 3624 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL); 3625 if (!amdgpu_encoder) 3626 return; 3627 3628 encoder = &amdgpu_encoder->base; 3629 switch (adev->mode_info.num_crtc) { 3630 case 1: 3631 encoder->possible_crtcs = 0x1; 3632 break; 3633 case 2: 3634 default: 3635 encoder->possible_crtcs = 0x3; 3636 break; 3637 case 3: 3638 encoder->possible_crtcs = 0x7; 3639 break; 3640 case 4: 3641 encoder->possible_crtcs = 0xf; 3642 break; 3643 case 5: 3644 encoder->possible_crtcs = 0x1f; 3645 break; 3646 case 6: 3647 encoder->possible_crtcs = 0x3f; 3648 break; 3649 } 3650 3651 amdgpu_encoder->enc_priv = NULL; 3652 3653 amdgpu_encoder->encoder_enum = encoder_enum; 3654 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3655 amdgpu_encoder->devices = supported_device; 3656 amdgpu_encoder->rmx_type = RMX_OFF; 3657 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3658 amdgpu_encoder->is_ext_encoder = false; 3659 amdgpu_encoder->caps = caps; 3660 3661 switch (amdgpu_encoder->encoder_id) { 3662 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3663 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3664 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3665 DRM_MODE_ENCODER_DAC, NULL); 3666 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs); 3667 break; 3668 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3669 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3670 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3671 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3672 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3673 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3674 amdgpu_encoder->rmx_type = RMX_FULL; 3675 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3676 DRM_MODE_ENCODER_LVDS, NULL); 3677 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3678 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3679 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3680 DRM_MODE_ENCODER_DAC, NULL); 3681 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3682 } else { 3683 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3684 DRM_MODE_ENCODER_TMDS, NULL); 3685 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3686 } 3687 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs); 3688 break; 3689 case ENCODER_OBJECT_ID_SI170B: 3690 case ENCODER_OBJECT_ID_CH7303: 3691 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3692 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3693 case ENCODER_OBJECT_ID_TITFP513: 3694 case ENCODER_OBJECT_ID_VT1623: 3695 case ENCODER_OBJECT_ID_HDMI_SI1930: 3696 case ENCODER_OBJECT_ID_TRAVIS: 3697 case ENCODER_OBJECT_ID_NUTMEG: 3698 /* these are handled by the primary encoders */ 3699 amdgpu_encoder->is_ext_encoder = true; 3700 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3701 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3702 DRM_MODE_ENCODER_LVDS, NULL); 3703 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3704 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3705 DRM_MODE_ENCODER_DAC, NULL); 3706 else 3707 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3708 DRM_MODE_ENCODER_TMDS, NULL); 3709 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs); 3710 break; 3711 } 3712 } 3713 3714 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = { 3715 .bandwidth_update = &dce_v11_0_bandwidth_update, 3716 .vblank_get_counter = &dce_v11_0_vblank_get_counter, 3717 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3718 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3719 .hpd_sense = &dce_v11_0_hpd_sense, 3720 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity, 3721 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg, 3722 .page_flip = &dce_v11_0_page_flip, 3723 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos, 3724 .add_encoder = &dce_v11_0_encoder_add, 3725 .add_connector = &amdgpu_connector_add, 3726 }; 3727 3728 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev) 3729 { 3730 adev->mode_info.funcs = &dce_v11_0_display_funcs; 3731 } 3732 3733 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = { 3734 .set = dce_v11_0_set_crtc_irq_state, 3735 .process = dce_v11_0_crtc_irq, 3736 }; 3737 3738 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = { 3739 .set = dce_v11_0_set_pageflip_irq_state, 3740 .process = dce_v11_0_pageflip_irq, 3741 }; 3742 3743 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = { 3744 .set = dce_v11_0_set_hpd_irq_state, 3745 .process = dce_v11_0_hpd_irq, 3746 }; 3747 3748 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev) 3749 { 3750 if (adev->mode_info.num_crtc > 0) 3751 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc; 3752 else 3753 adev->crtc_irq.num_types = 0; 3754 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs; 3755 3756 adev->pageflip_irq.num_types = adev->mode_info.num_crtc; 3757 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs; 3758 3759 adev->hpd_irq.num_types = adev->mode_info.num_hpd; 3760 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs; 3761 } 3762 3763 const struct amdgpu_ip_block_version dce_v11_0_ip_block = 3764 { 3765 .type = AMD_IP_BLOCK_TYPE_DCE, 3766 .major = 11, 3767 .minor = 0, 3768 .rev = 0, 3769 .funcs = &dce_v11_0_ip_funcs, 3770 }; 3771 3772 const struct amdgpu_ip_block_version dce_v11_2_ip_block = 3773 { 3774 .type = AMD_IP_BLOCK_TYPE_DCE, 3775 .major = 11, 3776 .minor = 2, 3777 .rev = 0, 3778 .funcs = &dce_v11_0_ip_funcs, 3779 }; 3780