1 /* 2 * Copyright © 2006-2019 Intel Corporation 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 (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 */ 24 25 #ifndef _INTEL_DISPLAY_H_ 26 #define _INTEL_DISPLAY_H_ 27 28 #include <drm/drm_util.h> 29 30 #include "i915_reg_defs.h" 31 32 enum drm_scaling_filter; 33 struct dpll; 34 struct drm_connector; 35 struct drm_device; 36 struct drm_display_mode; 37 struct drm_encoder; 38 struct drm_file; 39 struct drm_format_info; 40 struct drm_framebuffer; 41 struct drm_i915_gem_object; 42 struct drm_i915_private; 43 struct drm_mode_fb_cmd2; 44 struct drm_modeset_acquire_ctx; 45 struct drm_plane; 46 struct drm_plane_state; 47 struct i915_address_space; 48 struct i915_ggtt_view; 49 struct intel_atomic_state; 50 struct intel_crtc; 51 struct intel_crtc_state; 52 struct intel_digital_port; 53 struct intel_dp; 54 struct intel_encoder; 55 struct intel_initial_plane_config; 56 struct intel_load_detect_pipe; 57 struct intel_plane; 58 struct intel_plane_state; 59 struct intel_remapped_info; 60 struct intel_rotation_info; 61 struct pci_dev; 62 63 enum i915_gpio { 64 GPIOA, 65 GPIOB, 66 GPIOC, 67 GPIOD, 68 GPIOE, 69 GPIOF, 70 GPIOG, 71 GPIOH, 72 __GPIOI_UNUSED, 73 GPIOJ, 74 GPIOK, 75 GPIOL, 76 GPIOM, 77 GPION, 78 GPIOO, 79 }; 80 81 /* 82 * Keep the pipe enum values fixed: the code assumes that PIPE_A=0, the 83 * rest have consecutive values and match the enum values of transcoders 84 * with a 1:1 transcoder -> pipe mapping. 85 */ 86 enum pipe { 87 INVALID_PIPE = -1, 88 89 PIPE_A = 0, 90 PIPE_B, 91 PIPE_C, 92 PIPE_D, 93 _PIPE_EDP, 94 95 I915_MAX_PIPES = _PIPE_EDP 96 }; 97 98 #define pipe_name(p) ((p) + 'A') 99 100 enum transcoder { 101 INVALID_TRANSCODER = -1, 102 /* 103 * The following transcoders have a 1:1 transcoder -> pipe mapping, 104 * keep their values fixed: the code assumes that TRANSCODER_A=0, the 105 * rest have consecutive values and match the enum values of the pipes 106 * they map to. 107 */ 108 TRANSCODER_A = PIPE_A, 109 TRANSCODER_B = PIPE_B, 110 TRANSCODER_C = PIPE_C, 111 TRANSCODER_D = PIPE_D, 112 113 /* 114 * The following transcoders can map to any pipe, their enum value 115 * doesn't need to stay fixed. 116 */ 117 TRANSCODER_EDP, 118 TRANSCODER_DSI_0, 119 TRANSCODER_DSI_1, 120 TRANSCODER_DSI_A = TRANSCODER_DSI_0, /* legacy DSI */ 121 TRANSCODER_DSI_C = TRANSCODER_DSI_1, /* legacy DSI */ 122 123 I915_MAX_TRANSCODERS 124 }; 125 126 static inline const char *transcoder_name(enum transcoder transcoder) 127 { 128 switch (transcoder) { 129 case TRANSCODER_A: 130 return "A"; 131 case TRANSCODER_B: 132 return "B"; 133 case TRANSCODER_C: 134 return "C"; 135 case TRANSCODER_D: 136 return "D"; 137 case TRANSCODER_EDP: 138 return "EDP"; 139 case TRANSCODER_DSI_A: 140 return "DSI A"; 141 case TRANSCODER_DSI_C: 142 return "DSI C"; 143 default: 144 return "<invalid>"; 145 } 146 } 147 148 static inline bool transcoder_is_dsi(enum transcoder transcoder) 149 { 150 return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C; 151 } 152 153 /* 154 * Global legacy plane identifier. Valid only for primary/sprite 155 * planes on pre-g4x, and only for primary planes on g4x-bdw. 156 */ 157 enum i9xx_plane_id { 158 PLANE_A, 159 PLANE_B, 160 PLANE_C, 161 }; 162 163 #define plane_name(p) ((p) + 'A') 164 #define sprite_name(p, s) ((p) * RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A') 165 166 /* 167 * Per-pipe plane identifier. 168 * I915_MAX_PLANES in the enum below is the maximum (across all platforms) 169 * number of planes per CRTC. Not all platforms really have this many planes, 170 * which means some arrays of size I915_MAX_PLANES may have unused entries 171 * between the topmost sprite plane and the cursor plane. 172 * 173 * This is expected to be passed to various register macros 174 * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care. 175 */ 176 enum plane_id { 177 PLANE_PRIMARY, 178 PLANE_SPRITE0, 179 PLANE_SPRITE1, 180 PLANE_SPRITE2, 181 PLANE_SPRITE3, 182 PLANE_SPRITE4, 183 PLANE_SPRITE5, 184 PLANE_CURSOR, 185 186 I915_MAX_PLANES, 187 }; 188 189 #define for_each_plane_id_on_crtc(__crtc, __p) \ 190 for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \ 191 for_each_if((__crtc)->plane_ids_mask & BIT(__p)) 192 193 #define for_each_dbuf_slice(__dev_priv, __slice) \ 194 for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \ 195 for_each_if(INTEL_INFO(__dev_priv)->dbuf.slice_mask & BIT(__slice)) 196 197 #define for_each_dbuf_slice_in_mask(__dev_priv, __slice, __mask) \ 198 for_each_dbuf_slice((__dev_priv), (__slice)) \ 199 for_each_if((__mask) & BIT(__slice)) 200 201 enum port { 202 PORT_NONE = -1, 203 204 PORT_A = 0, 205 PORT_B, 206 PORT_C, 207 PORT_D, 208 PORT_E, 209 PORT_F, 210 PORT_G, 211 PORT_H, 212 PORT_I, 213 214 /* tgl+ */ 215 PORT_TC1 = PORT_D, 216 PORT_TC2, 217 PORT_TC3, 218 PORT_TC4, 219 PORT_TC5, 220 PORT_TC6, 221 222 /* XE_LPD repositions D/E offsets and bitfields */ 223 PORT_D_XELPD = PORT_TC5, 224 PORT_E_XELPD, 225 226 I915_MAX_PORTS 227 }; 228 229 #define port_name(p) ((p) + 'A') 230 231 /* 232 * Ports identifier referenced from other drivers. 233 * Expected to remain stable over time 234 */ 235 static inline const char *port_identifier(enum port port) 236 { 237 switch (port) { 238 case PORT_A: 239 return "Port A"; 240 case PORT_B: 241 return "Port B"; 242 case PORT_C: 243 return "Port C"; 244 case PORT_D: 245 return "Port D"; 246 case PORT_E: 247 return "Port E"; 248 case PORT_F: 249 return "Port F"; 250 case PORT_G: 251 return "Port G"; 252 case PORT_H: 253 return "Port H"; 254 case PORT_I: 255 return "Port I"; 256 default: 257 return "<invalid>"; 258 } 259 } 260 261 enum tc_port { 262 TC_PORT_NONE = -1, 263 264 TC_PORT_1 = 0, 265 TC_PORT_2, 266 TC_PORT_3, 267 TC_PORT_4, 268 TC_PORT_5, 269 TC_PORT_6, 270 271 I915_MAX_TC_PORTS 272 }; 273 274 enum tc_port_mode { 275 TC_PORT_DISCONNECTED, 276 TC_PORT_TBT_ALT, 277 TC_PORT_DP_ALT, 278 TC_PORT_LEGACY, 279 }; 280 281 enum dpio_channel { 282 DPIO_CH0, 283 DPIO_CH1 284 }; 285 286 enum dpio_phy { 287 DPIO_PHY0, 288 DPIO_PHY1, 289 DPIO_PHY2, 290 }; 291 292 enum aux_ch { 293 AUX_CH_A, 294 AUX_CH_B, 295 AUX_CH_C, 296 AUX_CH_D, 297 AUX_CH_E, /* ICL+ */ 298 AUX_CH_F, 299 AUX_CH_G, 300 AUX_CH_H, 301 AUX_CH_I, 302 303 /* tgl+ */ 304 AUX_CH_USBC1 = AUX_CH_D, 305 AUX_CH_USBC2, 306 AUX_CH_USBC3, 307 AUX_CH_USBC4, 308 AUX_CH_USBC5, 309 AUX_CH_USBC6, 310 311 /* XE_LPD repositions D/E offsets and bitfields */ 312 AUX_CH_D_XELPD = AUX_CH_USBC5, 313 AUX_CH_E_XELPD, 314 }; 315 316 #define aux_ch_name(a) ((a) + 'A') 317 318 /* Used by dp and fdi links */ 319 struct intel_link_m_n { 320 u32 tu; 321 u32 data_m; 322 u32 data_n; 323 u32 link_m; 324 u32 link_n; 325 }; 326 327 enum phy { 328 PHY_NONE = -1, 329 330 PHY_A = 0, 331 PHY_B, 332 PHY_C, 333 PHY_D, 334 PHY_E, 335 PHY_F, 336 PHY_G, 337 PHY_H, 338 PHY_I, 339 340 I915_MAX_PHYS 341 }; 342 343 #define phy_name(a) ((a) + 'A') 344 345 enum phy_fia { 346 FIA1, 347 FIA2, 348 FIA3, 349 }; 350 351 enum hpd_pin { 352 HPD_NONE = 0, 353 HPD_TV = HPD_NONE, /* TV is known to be unreliable */ 354 HPD_CRT, 355 HPD_SDVO_B, 356 HPD_SDVO_C, 357 HPD_PORT_A, 358 HPD_PORT_B, 359 HPD_PORT_C, 360 HPD_PORT_D, 361 HPD_PORT_E, 362 HPD_PORT_TC1, 363 HPD_PORT_TC2, 364 HPD_PORT_TC3, 365 HPD_PORT_TC4, 366 HPD_PORT_TC5, 367 HPD_PORT_TC6, 368 369 HPD_NUM_PINS 370 }; 371 372 #define for_each_hpd_pin(__pin) \ 373 for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++) 374 375 #define for_each_pipe(__dev_priv, __p) \ 376 for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \ 377 for_each_if(INTEL_INFO(__dev_priv)->display.pipe_mask & BIT(__p)) 378 379 #define for_each_pipe_masked(__dev_priv, __p, __mask) \ 380 for_each_pipe(__dev_priv, __p) \ 381 for_each_if((__mask) & BIT(__p)) 382 383 #define for_each_cpu_transcoder(__dev_priv, __t) \ 384 for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++) \ 385 for_each_if (INTEL_INFO(__dev_priv)->display.cpu_transcoder_mask & BIT(__t)) 386 387 #define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \ 388 for_each_cpu_transcoder(__dev_priv, __t) \ 389 for_each_if ((__mask) & BIT(__t)) 390 391 #define for_each_sprite(__dev_priv, __p, __s) \ 392 for ((__s) = 0; \ 393 (__s) < RUNTIME_INFO(__dev_priv)->num_sprites[(__p)]; \ 394 (__s)++) 395 396 #define for_each_port(__port) \ 397 for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) 398 399 #define for_each_port_masked(__port, __ports_mask) \ 400 for_each_port(__port) \ 401 for_each_if((__ports_mask) & BIT(__port)) 402 403 #define for_each_phy_masked(__phy, __phys_mask) \ 404 for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++) \ 405 for_each_if((__phys_mask) & BIT(__phy)) 406 407 #define for_each_crtc(dev, crtc) \ 408 list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) 409 410 #define for_each_intel_plane(dev, intel_plane) \ 411 list_for_each_entry(intel_plane, \ 412 &(dev)->mode_config.plane_list, \ 413 base.head) 414 415 #define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \ 416 list_for_each_entry(intel_plane, \ 417 &(dev)->mode_config.plane_list, \ 418 base.head) \ 419 for_each_if((plane_mask) & \ 420 drm_plane_mask(&intel_plane->base)) 421 422 #define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \ 423 list_for_each_entry(intel_plane, \ 424 &(dev)->mode_config.plane_list, \ 425 base.head) \ 426 for_each_if((intel_plane)->pipe == (intel_crtc)->pipe) 427 428 #define for_each_intel_crtc(dev, intel_crtc) \ 429 list_for_each_entry(intel_crtc, \ 430 &(dev)->mode_config.crtc_list, \ 431 base.head) 432 433 #define for_each_intel_crtc_in_pipe_mask(dev, intel_crtc, pipe_mask) \ 434 list_for_each_entry(intel_crtc, \ 435 &(dev)->mode_config.crtc_list, \ 436 base.head) \ 437 for_each_if((pipe_mask) & BIT(intel_crtc->pipe)) 438 439 #define for_each_intel_encoder(dev, intel_encoder) \ 440 list_for_each_entry(intel_encoder, \ 441 &(dev)->mode_config.encoder_list, \ 442 base.head) 443 444 #define for_each_intel_encoder_mask(dev, intel_encoder, encoder_mask) \ 445 list_for_each_entry(intel_encoder, \ 446 &(dev)->mode_config.encoder_list, \ 447 base.head) \ 448 for_each_if((encoder_mask) & \ 449 drm_encoder_mask(&intel_encoder->base)) 450 451 #define for_each_intel_encoder_mask_with_psr(dev, intel_encoder, encoder_mask) \ 452 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ 453 for_each_if(((encoder_mask) & drm_encoder_mask(&(intel_encoder)->base)) && \ 454 intel_encoder_can_psr(intel_encoder)) 455 456 #define for_each_intel_dp(dev, intel_encoder) \ 457 for_each_intel_encoder(dev, intel_encoder) \ 458 for_each_if(intel_encoder_is_dp(intel_encoder)) 459 460 #define for_each_intel_encoder_with_psr(dev, intel_encoder) \ 461 for_each_intel_encoder((dev), (intel_encoder)) \ 462 for_each_if(intel_encoder_can_psr(intel_encoder)) 463 464 #define for_each_intel_connector_iter(intel_connector, iter) \ 465 while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter)))) 466 467 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \ 468 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ 469 for_each_if((intel_encoder)->base.crtc == (__crtc)) 470 471 #define for_each_connector_on_encoder(dev, __encoder, intel_connector) \ 472 list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \ 473 for_each_if((intel_connector)->base.encoder == (__encoder)) 474 475 #define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, __i) \ 476 for ((__i) = 0; \ 477 (__i) < (__state)->base.dev->mode_config.num_total_plane && \ 478 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ 479 (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), 1); \ 480 (__i)++) \ 481 for_each_if(plane) 482 483 #define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \ 484 for ((__i) = 0; \ 485 (__i) < (__state)->base.dev->mode_config.num_total_plane && \ 486 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ 487 (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ 488 (__i)++) \ 489 for_each_if(plane) 490 491 #define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \ 492 for ((__i) = 0; \ 493 (__i) < (__state)->base.dev->mode_config.num_crtc && \ 494 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ 495 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ 496 (__i)++) \ 497 for_each_if(crtc) 498 499 #define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \ 500 for ((__i) = 0; \ 501 (__i) < (__state)->base.dev->mode_config.num_total_plane && \ 502 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ 503 (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \ 504 (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ 505 (__i)++) \ 506 for_each_if(plane) 507 508 #define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \ 509 for ((__i) = 0; \ 510 (__i) < (__state)->base.dev->mode_config.num_crtc && \ 511 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ 512 (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ 513 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ 514 (__i)++) \ 515 for_each_if(crtc) 516 517 #define for_each_oldnew_intel_crtc_in_state_reverse(__state, crtc, old_crtc_state, new_crtc_state, __i) \ 518 for ((__i) = (__state)->base.dev->mode_config.num_crtc - 1; \ 519 (__i) >= 0 && \ 520 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ 521 (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ 522 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ 523 (__i)--) \ 524 for_each_if(crtc) 525 526 #define intel_atomic_crtc_state_for_each_plane_state( \ 527 plane, plane_state, \ 528 crtc_state) \ 529 for_each_intel_plane_mask(((crtc_state)->uapi.state->dev), (plane), \ 530 ((crtc_state)->uapi.plane_mask)) \ 531 for_each_if ((plane_state = \ 532 to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->uapi.state, &plane->base)))) 533 534 #define for_each_new_intel_connector_in_state(__state, connector, new_connector_state, __i) \ 535 for ((__i) = 0; \ 536 (__i) < (__state)->base.num_connector; \ 537 (__i)++) \ 538 for_each_if ((__state)->base.connectors[__i].ptr && \ 539 ((connector) = to_intel_connector((__state)->base.connectors[__i].ptr), \ 540 (new_connector_state) = to_intel_digital_connector_state((__state)->base.connectors[__i].new_state), 1)) 541 542 int intel_atomic_add_affected_planes(struct intel_atomic_state *state, 543 struct intel_crtc *crtc); 544 u8 intel_calc_active_pipes(struct intel_atomic_state *state, 545 u8 active_pipes); 546 void intel_link_compute_m_n(u16 bpp, int nlanes, 547 int pixel_clock, int link_clock, 548 struct intel_link_m_n *m_n, 549 bool constant_n, bool fec_enable); 550 u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, 551 u32 pixel_format, u64 modifier); 552 enum drm_mode_status 553 intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv, 554 const struct drm_display_mode *mode, 555 bool bigjoiner); 556 enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port); 557 bool is_trans_port_sync_mode(const struct intel_crtc_state *state); 558 bool intel_crtc_is_bigjoiner_slave(const struct intel_crtc_state *crtc_state); 559 bool intel_crtc_is_bigjoiner_master(const struct intel_crtc_state *crtc_state); 560 u8 intel_crtc_bigjoiner_slave_pipes(const struct intel_crtc_state *crtc_state); 561 struct intel_crtc *intel_master_crtc(const struct intel_crtc_state *crtc_state); 562 563 void intel_plane_destroy(struct drm_plane *plane); 564 void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state); 565 void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state); 566 void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); 567 void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); 568 int vlv_get_hpll_vco(struct drm_i915_private *dev_priv); 569 int vlv_get_cck_clock(struct drm_i915_private *dev_priv, 570 const char *name, u32 reg, int ref_freq); 571 int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, 572 const char *name, u32 reg); 573 void intel_init_display_hooks(struct drm_i915_private *dev_priv); 574 unsigned int intel_fb_xy_to_linear(int x, int y, 575 const struct intel_plane_state *state, 576 int plane); 577 void intel_add_fb_offsets(int *x, int *y, 578 const struct intel_plane_state *state, int plane); 579 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); 580 unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info); 581 bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv); 582 int intel_display_suspend(struct drm_device *dev); 583 void intel_encoder_destroy(struct drm_encoder *encoder); 584 struct drm_display_mode * 585 intel_encoder_current_mode(struct intel_encoder *encoder); 586 bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy); 587 bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy); 588 bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy); 589 enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, 590 enum port port); 591 int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, 592 struct drm_file *file_priv); 593 594 int ilk_get_lanes_required(int target_clock, int link_bw, int bpp); 595 void vlv_wait_port_ready(struct drm_i915_private *dev_priv, 596 struct intel_digital_port *dig_port, 597 unsigned int expected_mask); 598 int intel_get_load_detect_pipe(struct drm_connector *connector, 599 struct intel_load_detect_pipe *old, 600 struct drm_modeset_acquire_ctx *ctx); 601 void intel_release_load_detect_pipe(struct drm_connector *connector, 602 struct intel_load_detect_pipe *old, 603 struct drm_modeset_acquire_ctx *ctx); 604 struct drm_framebuffer * 605 intel_framebuffer_create(struct drm_i915_gem_object *obj, 606 struct drm_mode_fb_cmd2 *mode_cmd); 607 608 bool intel_fuzzy_clock_check(int clock1, int clock2); 609 610 void intel_display_prepare_reset(struct drm_i915_private *dev_priv); 611 void intel_display_finish_reset(struct drm_i915_private *dev_priv); 612 void intel_zero_m_n(struct intel_link_m_n *m_n); 613 void intel_set_m_n(struct drm_i915_private *i915, 614 const struct intel_link_m_n *m_n, 615 i915_reg_t data_m_reg, i915_reg_t data_n_reg, 616 i915_reg_t link_m_reg, i915_reg_t link_n_reg); 617 void intel_get_m_n(struct drm_i915_private *i915, 618 struct intel_link_m_n *m_n, 619 i915_reg_t data_m_reg, i915_reg_t data_n_reg, 620 i915_reg_t link_m_reg, i915_reg_t link_n_reg); 621 bool intel_cpu_transcoder_has_m2_n2(struct drm_i915_private *dev_priv, 622 enum transcoder transcoder); 623 void intel_cpu_transcoder_set_m1_n1(struct intel_crtc *crtc, 624 enum transcoder cpu_transcoder, 625 const struct intel_link_m_n *m_n); 626 void intel_cpu_transcoder_set_m2_n2(struct intel_crtc *crtc, 627 enum transcoder cpu_transcoder, 628 const struct intel_link_m_n *m_n); 629 void intel_cpu_transcoder_get_m1_n1(struct intel_crtc *crtc, 630 enum transcoder cpu_transcoder, 631 struct intel_link_m_n *m_n); 632 void intel_cpu_transcoder_get_m2_n2(struct intel_crtc *crtc, 633 enum transcoder cpu_transcoder, 634 struct intel_link_m_n *m_n); 635 void i9xx_crtc_clock_get(struct intel_crtc *crtc, 636 struct intel_crtc_state *pipe_config); 637 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); 638 enum intel_display_power_domain intel_port_to_power_domain(struct intel_digital_port *dig_port); 639 enum intel_display_power_domain 640 intel_aux_power_domain(struct intel_digital_port *dig_port); 641 void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc, 642 struct intel_crtc_state *crtc_state); 643 void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state); 644 645 int bdw_get_pipemisc_bpp(struct intel_crtc *crtc); 646 unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state); 647 648 bool intel_plane_uses_fence(const struct intel_plane_state *plane_state); 649 650 struct intel_encoder * 651 intel_get_crtc_new_encoder(const struct intel_atomic_state *state, 652 const struct intel_crtc_state *crtc_state); 653 void intel_plane_disable_noatomic(struct intel_crtc *crtc, 654 struct intel_plane *plane); 655 656 void intel_display_driver_register(struct drm_i915_private *i915); 657 void intel_display_driver_unregister(struct drm_i915_private *i915); 658 659 /* modesetting */ 660 bool intel_modeset_probe_defer(struct pci_dev *pdev); 661 void intel_modeset_init_hw(struct drm_i915_private *i915); 662 int intel_modeset_init_noirq(struct drm_i915_private *i915); 663 int intel_modeset_init_nogem(struct drm_i915_private *i915); 664 int intel_modeset_init(struct drm_i915_private *i915); 665 void intel_modeset_driver_remove(struct drm_i915_private *i915); 666 void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915); 667 void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915); 668 void intel_display_resume(struct drm_device *dev); 669 int intel_modeset_all_pipes(struct intel_atomic_state *state); 670 671 /* modesetting asserts */ 672 void assert_transcoder(struct drm_i915_private *dev_priv, 673 enum transcoder cpu_transcoder, bool state); 674 #define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true) 675 #define assert_transcoder_disabled(d, t) assert_transcoder(d, t, false) 676 677 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and 678 * WARN_ON()) for hw state sanity checks to check for unexpected conditions 679 * which may not necessarily be a user visible problem. This will either 680 * WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to 681 * enable distros and users to tailor their preferred amount of i915 abrt 682 * spam. 683 */ 684 #define I915_STATE_WARN(condition, format...) ({ \ 685 int __ret_warn_on = !!(condition); \ 686 if (unlikely(__ret_warn_on)) \ 687 if (!WARN(i915_modparams.verbose_state_checks, format)) \ 688 DRM_ERROR(format); \ 689 unlikely(__ret_warn_on); \ 690 }) 691 692 #define I915_STATE_WARN_ON(x) \ 693 I915_STATE_WARN((x), "%s", "WARN_ON(" __stringify(x) ")") 694 695 bool intel_scanout_needs_vtd_wa(struct drm_i915_private *i915); 696 697 #endif 698