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 #include "intel_display_limits.h" 32 33 enum drm_scaling_filter; 34 struct dpll; 35 struct drm_atomic_state; 36 struct drm_connector; 37 struct drm_device; 38 struct drm_display_mode; 39 struct drm_encoder; 40 struct drm_file; 41 struct drm_format_info; 42 struct drm_framebuffer; 43 struct drm_i915_gem_object; 44 struct drm_i915_private; 45 struct drm_mode_fb_cmd2; 46 struct drm_modeset_acquire_ctx; 47 struct drm_plane; 48 struct drm_plane_state; 49 struct i915_address_space; 50 struct i915_gtt_view; 51 struct intel_atomic_state; 52 struct intel_crtc; 53 struct intel_crtc_state; 54 struct intel_digital_port; 55 struct intel_dp; 56 struct intel_encoder; 57 struct intel_initial_plane_config; 58 struct intel_link_m_n; 59 struct intel_plane; 60 struct intel_plane_state; 61 struct intel_power_domain_mask; 62 struct intel_remapped_info; 63 struct intel_rotation_info; 64 struct pci_dev; 65 struct work_struct; 66 67 68 #define pipe_name(p) ((p) + 'A') 69 70 static inline const char *transcoder_name(enum transcoder transcoder) 71 { 72 switch (transcoder) { 73 case TRANSCODER_A: 74 return "A"; 75 case TRANSCODER_B: 76 return "B"; 77 case TRANSCODER_C: 78 return "C"; 79 case TRANSCODER_D: 80 return "D"; 81 case TRANSCODER_EDP: 82 return "EDP"; 83 case TRANSCODER_DSI_A: 84 return "DSI A"; 85 case TRANSCODER_DSI_C: 86 return "DSI C"; 87 default: 88 return "<invalid>"; 89 } 90 } 91 92 static inline bool transcoder_is_dsi(enum transcoder transcoder) 93 { 94 return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C; 95 } 96 97 /* 98 * Global legacy plane identifier. Valid only for primary/sprite 99 * planes on pre-g4x, and only for primary planes on g4x-bdw. 100 */ 101 enum i9xx_plane_id { 102 PLANE_A, 103 PLANE_B, 104 PLANE_C, 105 }; 106 107 #define plane_name(p) ((p) + 'A') 108 #define sprite_name(p, s) ((p) * DISPLAY_RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A') 109 110 #define for_each_plane_id_on_crtc(__crtc, __p) \ 111 for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \ 112 for_each_if((__crtc)->plane_ids_mask & BIT(__p)) 113 114 #define for_each_dbuf_slice(__dev_priv, __slice) \ 115 for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \ 116 for_each_if(DISPLAY_INFO(__dev_priv)->dbuf.slice_mask & BIT(__slice)) 117 118 #define for_each_dbuf_slice_in_mask(__dev_priv, __slice, __mask) \ 119 for_each_dbuf_slice((__dev_priv), (__slice)) \ 120 for_each_if((__mask) & BIT(__slice)) 121 122 #define port_name(p) ((p) + 'A') 123 124 /* 125 * Ports identifier referenced from other drivers. 126 * Expected to remain stable over time 127 */ 128 static inline const char *port_identifier(enum port port) 129 { 130 switch (port) { 131 case PORT_A: 132 return "Port A"; 133 case PORT_B: 134 return "Port B"; 135 case PORT_C: 136 return "Port C"; 137 case PORT_D: 138 return "Port D"; 139 case PORT_E: 140 return "Port E"; 141 case PORT_F: 142 return "Port F"; 143 case PORT_G: 144 return "Port G"; 145 case PORT_H: 146 return "Port H"; 147 case PORT_I: 148 return "Port I"; 149 default: 150 return "<invalid>"; 151 } 152 } 153 154 enum tc_port { 155 TC_PORT_NONE = -1, 156 157 TC_PORT_1 = 0, 158 TC_PORT_2, 159 TC_PORT_3, 160 TC_PORT_4, 161 TC_PORT_5, 162 TC_PORT_6, 163 164 I915_MAX_TC_PORTS 165 }; 166 167 enum aux_ch { 168 AUX_CH_NONE = -1, 169 170 AUX_CH_A, 171 AUX_CH_B, 172 AUX_CH_C, 173 AUX_CH_D, 174 AUX_CH_E, /* ICL+ */ 175 AUX_CH_F, 176 AUX_CH_G, 177 AUX_CH_H, 178 AUX_CH_I, 179 180 /* tgl+ */ 181 AUX_CH_USBC1 = AUX_CH_D, 182 AUX_CH_USBC2, 183 AUX_CH_USBC3, 184 AUX_CH_USBC4, 185 AUX_CH_USBC5, 186 AUX_CH_USBC6, 187 188 /* XE_LPD repositions D/E offsets and bitfields */ 189 AUX_CH_D_XELPD = AUX_CH_USBC5, 190 AUX_CH_E_XELPD, 191 }; 192 193 enum phy { 194 PHY_NONE = -1, 195 196 PHY_A = 0, 197 PHY_B, 198 PHY_C, 199 PHY_D, 200 PHY_E, 201 PHY_F, 202 PHY_G, 203 PHY_H, 204 PHY_I, 205 206 I915_MAX_PHYS 207 }; 208 209 #define phy_name(a) ((a) + 'A') 210 211 enum phy_fia { 212 FIA1, 213 FIA2, 214 FIA3, 215 }; 216 217 #define for_each_hpd_pin(__pin) \ 218 for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++) 219 220 #define for_each_pipe(__dev_priv, __p) \ 221 for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \ 222 for_each_if(DISPLAY_RUNTIME_INFO(__dev_priv)->pipe_mask & BIT(__p)) 223 224 #define for_each_pipe_masked(__dev_priv, __p, __mask) \ 225 for_each_pipe(__dev_priv, __p) \ 226 for_each_if((__mask) & BIT(__p)) 227 228 #define for_each_cpu_transcoder(__dev_priv, __t) \ 229 for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++) \ 230 for_each_if (DISPLAY_RUNTIME_INFO(__dev_priv)->cpu_transcoder_mask & BIT(__t)) 231 232 #define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \ 233 for_each_cpu_transcoder(__dev_priv, __t) \ 234 for_each_if ((__mask) & BIT(__t)) 235 236 #define for_each_sprite(__dev_priv, __p, __s) \ 237 for ((__s) = 0; \ 238 (__s) < DISPLAY_RUNTIME_INFO(__dev_priv)->num_sprites[(__p)]; \ 239 (__s)++) 240 241 #define for_each_port(__port) \ 242 for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) 243 244 #define for_each_port_masked(__port, __ports_mask) \ 245 for_each_port(__port) \ 246 for_each_if((__ports_mask) & BIT(__port)) 247 248 #define for_each_phy_masked(__phy, __phys_mask) \ 249 for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++) \ 250 for_each_if((__phys_mask) & BIT(__phy)) 251 252 #define for_each_crtc(dev, crtc) \ 253 list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) 254 255 #define for_each_intel_plane(dev, intel_plane) \ 256 list_for_each_entry(intel_plane, \ 257 &(dev)->mode_config.plane_list, \ 258 base.head) 259 260 #define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \ 261 list_for_each_entry(intel_plane, \ 262 &(dev)->mode_config.plane_list, \ 263 base.head) \ 264 for_each_if((plane_mask) & \ 265 drm_plane_mask(&intel_plane->base)) 266 267 #define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \ 268 list_for_each_entry(intel_plane, \ 269 &(dev)->mode_config.plane_list, \ 270 base.head) \ 271 for_each_if((intel_plane)->pipe == (intel_crtc)->pipe) 272 273 #define for_each_intel_crtc(dev, intel_crtc) \ 274 list_for_each_entry(intel_crtc, \ 275 &(dev)->mode_config.crtc_list, \ 276 base.head) 277 278 #define for_each_intel_crtc_in_pipe_mask(dev, intel_crtc, pipe_mask) \ 279 list_for_each_entry(intel_crtc, \ 280 &(dev)->mode_config.crtc_list, \ 281 base.head) \ 282 for_each_if((pipe_mask) & BIT(intel_crtc->pipe)) 283 284 #define for_each_intel_encoder(dev, intel_encoder) \ 285 list_for_each_entry(intel_encoder, \ 286 &(dev)->mode_config.encoder_list, \ 287 base.head) 288 289 #define for_each_intel_encoder_mask(dev, intel_encoder, encoder_mask) \ 290 list_for_each_entry(intel_encoder, \ 291 &(dev)->mode_config.encoder_list, \ 292 base.head) \ 293 for_each_if((encoder_mask) & \ 294 drm_encoder_mask(&intel_encoder->base)) 295 296 #define for_each_intel_encoder_mask_with_psr(dev, intel_encoder, encoder_mask) \ 297 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ 298 for_each_if(((encoder_mask) & drm_encoder_mask(&(intel_encoder)->base)) && \ 299 intel_encoder_can_psr(intel_encoder)) 300 301 #define for_each_intel_dp(dev, intel_encoder) \ 302 for_each_intel_encoder(dev, intel_encoder) \ 303 for_each_if(intel_encoder_is_dp(intel_encoder)) 304 305 #define for_each_intel_encoder_with_psr(dev, intel_encoder) \ 306 for_each_intel_encoder((dev), (intel_encoder)) \ 307 for_each_if(intel_encoder_can_psr(intel_encoder)) 308 309 #define for_each_intel_connector_iter(intel_connector, iter) \ 310 while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter)))) 311 312 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \ 313 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ 314 for_each_if((intel_encoder)->base.crtc == (__crtc)) 315 316 #define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, __i) \ 317 for ((__i) = 0; \ 318 (__i) < (__state)->base.dev->mode_config.num_total_plane && \ 319 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ 320 (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), 1); \ 321 (__i)++) \ 322 for_each_if(plane) 323 324 #define for_each_old_intel_crtc_in_state(__state, crtc, old_crtc_state, __i) \ 325 for ((__i) = 0; \ 326 (__i) < (__state)->base.dev->mode_config.num_crtc && \ 327 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ 328 (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), 1); \ 329 (__i)++) \ 330 for_each_if(crtc) 331 332 #define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \ 333 for ((__i) = 0; \ 334 (__i) < (__state)->base.dev->mode_config.num_total_plane && \ 335 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ 336 (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ 337 (__i)++) \ 338 for_each_if(plane) 339 340 #define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \ 341 for ((__i) = 0; \ 342 (__i) < (__state)->base.dev->mode_config.num_crtc && \ 343 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ 344 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ 345 (__i)++) \ 346 for_each_if(crtc) 347 348 #define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \ 349 for ((__i) = 0; \ 350 (__i) < (__state)->base.dev->mode_config.num_total_plane && \ 351 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ 352 (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \ 353 (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ 354 (__i)++) \ 355 for_each_if(plane) 356 357 #define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \ 358 for ((__i) = 0; \ 359 (__i) < (__state)->base.dev->mode_config.num_crtc && \ 360 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ 361 (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ 362 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ 363 (__i)++) \ 364 for_each_if(crtc) 365 366 #define for_each_oldnew_intel_crtc_in_state_reverse(__state, crtc, old_crtc_state, new_crtc_state, __i) \ 367 for ((__i) = (__state)->base.dev->mode_config.num_crtc - 1; \ 368 (__i) >= 0 && \ 369 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ 370 (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ 371 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ 372 (__i)--) \ 373 for_each_if(crtc) 374 375 #define intel_atomic_crtc_state_for_each_plane_state( \ 376 plane, plane_state, \ 377 crtc_state) \ 378 for_each_intel_plane_mask(((crtc_state)->uapi.state->dev), (plane), \ 379 ((crtc_state)->uapi.plane_mask)) \ 380 for_each_if ((plane_state = \ 381 to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->uapi.state, &plane->base)))) 382 383 #define for_each_new_intel_connector_in_state(__state, connector, new_connector_state, __i) \ 384 for ((__i) = 0; \ 385 (__i) < (__state)->base.num_connector; \ 386 (__i)++) \ 387 for_each_if ((__state)->base.connectors[__i].ptr && \ 388 ((connector) = to_intel_connector((__state)->base.connectors[__i].ptr), \ 389 (new_connector_state) = to_intel_digital_connector_state((__state)->base.connectors[__i].new_state), 1)) 390 391 int intel_atomic_check(struct drm_device *dev, struct drm_atomic_state *state); 392 int intel_atomic_add_affected_planes(struct intel_atomic_state *state, 393 struct intel_crtc *crtc); 394 u8 intel_calc_active_pipes(struct intel_atomic_state *state, 395 u8 active_pipes); 396 void intel_link_compute_m_n(u16 bpp, int nlanes, 397 int pixel_clock, int link_clock, 398 struct intel_link_m_n *m_n, 399 bool fec_enable); 400 u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, 401 u32 pixel_format, u64 modifier); 402 enum drm_mode_status 403 intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv, 404 const struct drm_display_mode *mode, 405 bool bigjoiner); 406 enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port); 407 bool is_trans_port_sync_mode(const struct intel_crtc_state *state); 408 bool is_trans_port_sync_master(const struct intel_crtc_state *state); 409 bool intel_crtc_is_bigjoiner_slave(const struct intel_crtc_state *crtc_state); 410 bool intel_crtc_is_bigjoiner_master(const struct intel_crtc_state *crtc_state); 411 u8 intel_crtc_bigjoiner_slave_pipes(const struct intel_crtc_state *crtc_state); 412 struct intel_crtc *intel_master_crtc(const struct intel_crtc_state *crtc_state); 413 bool intel_crtc_get_pipe_config(struct intel_crtc_state *crtc_state); 414 bool intel_pipe_config_compare(const struct intel_crtc_state *current_config, 415 const struct intel_crtc_state *pipe_config, 416 bool fastset); 417 418 void intel_plane_destroy(struct drm_plane *plane); 419 void i9xx_set_pipeconf(const struct intel_crtc_state *crtc_state); 420 void ilk_set_pipeconf(const struct intel_crtc_state *crtc_state); 421 void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state); 422 void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state); 423 void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); 424 void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); 425 int vlv_get_hpll_vco(struct drm_i915_private *dev_priv); 426 int vlv_get_cck_clock(struct drm_i915_private *dev_priv, 427 const char *name, u32 reg, int ref_freq); 428 int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, 429 const char *name, u32 reg); 430 void intel_init_display_hooks(struct drm_i915_private *dev_priv); 431 unsigned int intel_fb_xy_to_linear(int x, int y, 432 const struct intel_plane_state *state, 433 int plane); 434 void intel_add_fb_offsets(int *x, int *y, 435 const struct intel_plane_state *state, int plane); 436 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); 437 unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info); 438 bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv); 439 void intel_encoder_destroy(struct drm_encoder *encoder); 440 struct drm_display_mode * 441 intel_encoder_current_mode(struct intel_encoder *encoder); 442 void intel_encoder_get_config(struct intel_encoder *encoder, 443 struct intel_crtc_state *crtc_state); 444 bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy); 445 bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy); 446 bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy); 447 enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, 448 enum port port); 449 int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, 450 struct drm_file *file_priv); 451 452 int ilk_get_lanes_required(int target_clock, int link_bw, int bpp); 453 void vlv_wait_port_ready(struct drm_i915_private *dev_priv, 454 struct intel_digital_port *dig_port, 455 unsigned int expected_mask); 456 struct drm_framebuffer * 457 intel_framebuffer_create(struct drm_i915_gem_object *obj, 458 struct drm_mode_fb_cmd2 *mode_cmd); 459 460 bool intel_fuzzy_clock_check(int clock1, int clock2); 461 462 void intel_zero_m_n(struct intel_link_m_n *m_n); 463 void intel_set_m_n(struct drm_i915_private *i915, 464 const struct intel_link_m_n *m_n, 465 i915_reg_t data_m_reg, i915_reg_t data_n_reg, 466 i915_reg_t link_m_reg, i915_reg_t link_n_reg); 467 void intel_get_m_n(struct drm_i915_private *i915, 468 struct intel_link_m_n *m_n, 469 i915_reg_t data_m_reg, i915_reg_t data_n_reg, 470 i915_reg_t link_m_reg, i915_reg_t link_n_reg); 471 bool intel_cpu_transcoder_has_m2_n2(struct drm_i915_private *dev_priv, 472 enum transcoder transcoder); 473 void intel_cpu_transcoder_set_m1_n1(struct intel_crtc *crtc, 474 enum transcoder cpu_transcoder, 475 const struct intel_link_m_n *m_n); 476 void intel_cpu_transcoder_set_m2_n2(struct intel_crtc *crtc, 477 enum transcoder cpu_transcoder, 478 const struct intel_link_m_n *m_n); 479 void intel_cpu_transcoder_get_m1_n1(struct intel_crtc *crtc, 480 enum transcoder cpu_transcoder, 481 struct intel_link_m_n *m_n); 482 void intel_cpu_transcoder_get_m2_n2(struct intel_crtc *crtc, 483 enum transcoder cpu_transcoder, 484 struct intel_link_m_n *m_n); 485 void i9xx_crtc_clock_get(struct intel_crtc *crtc, 486 struct intel_crtc_state *pipe_config); 487 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); 488 int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config); 489 enum intel_display_power_domain intel_port_to_power_domain(struct intel_digital_port *dig_port); 490 enum intel_display_power_domain 491 intel_aux_power_domain(struct intel_digital_port *dig_port); 492 void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc, 493 struct intel_crtc_state *crtc_state); 494 void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state); 495 496 int bdw_get_pipe_misc_bpp(struct intel_crtc *crtc); 497 unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state); 498 499 bool intel_plane_uses_fence(const struct intel_plane_state *plane_state); 500 501 struct intel_encoder * 502 intel_get_crtc_new_encoder(const struct intel_atomic_state *state, 503 const struct intel_crtc_state *crtc_state); 504 void intel_plane_disable_noatomic(struct intel_crtc *crtc, 505 struct intel_plane *plane); 506 void intel_set_plane_visible(struct intel_crtc_state *crtc_state, 507 struct intel_plane_state *plane_state, 508 bool visible); 509 void intel_plane_fixup_bitmasks(struct intel_crtc_state *crtc_state); 510 511 void intel_update_watermarks(struct drm_i915_private *i915); 512 513 /* modesetting */ 514 int intel_modeset_pipes_in_mask_early(struct intel_atomic_state *state, 515 const char *reason, u8 pipe_mask); 516 int intel_modeset_all_pipes_late(struct intel_atomic_state *state, 517 const char *reason); 518 void intel_modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state, 519 struct intel_power_domain_mask *old_domains); 520 void intel_modeset_put_crtc_power_domains(struct intel_crtc *crtc, 521 struct intel_power_domain_mask *domains); 522 523 /* interface for intel_display_driver.c */ 524 void intel_setup_outputs(struct drm_i915_private *i915); 525 int intel_initial_commit(struct drm_device *dev); 526 void intel_panel_sanitize_ssc(struct drm_i915_private *i915); 527 void intel_update_czclk(struct drm_i915_private *i915); 528 void intel_atomic_helper_free_state_worker(struct work_struct *work); 529 enum drm_mode_status intel_mode_valid(struct drm_device *dev, 530 const struct drm_display_mode *mode); 531 int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *_state, 532 bool nonblock); 533 534 void intel_hpd_poll_fini(struct drm_i915_private *i915); 535 536 /* modesetting asserts */ 537 void assert_transcoder(struct drm_i915_private *dev_priv, 538 enum transcoder cpu_transcoder, bool state); 539 #define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true) 540 #define assert_transcoder_disabled(d, t) assert_transcoder(d, t, false) 541 542 bool assert_port_valid(struct drm_i915_private *i915, enum port port); 543 544 /* 545 * Use I915_STATE_WARN(x) (rather than WARN() and WARN_ON()) for hw state sanity 546 * checks to check for unexpected conditions which may not necessarily be a user 547 * visible problem. This will either WARN() or DRM_ERROR() depending on the 548 * verbose_state_checks module param, to enable distros and users to tailor 549 * their preferred amount of i915 abrt spam. 550 */ 551 #define I915_STATE_WARN(__i915, condition, format...) ({ \ 552 struct drm_device *drm = &(__i915)->drm; \ 553 int __ret_warn_on = !!(condition); \ 554 if (unlikely(__ret_warn_on)) \ 555 if (!drm_WARN(drm, i915_modparams.verbose_state_checks, format)) \ 556 drm_err(drm, format); \ 557 unlikely(__ret_warn_on); \ 558 }) 559 560 bool intel_scanout_needs_vtd_wa(struct drm_i915_private *i915); 561 562 #endif 563