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