1 /* 2 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> 3 * Copyright (c) 2007-2008 Intel Corporation 4 * Jesse Barnes <jesse.barnes@intel.com> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 23 * IN THE SOFTWARE. 24 */ 25 26 #ifndef __INTEL_DISPLAY_TYPES_H__ 27 #define __INTEL_DISPLAY_TYPES_H__ 28 29 #include <linux/i2c.h> 30 #include <linux/pm_qos.h> 31 #include <linux/pwm.h> 32 #include <linux/sched/clock.h> 33 34 #include <drm/display/drm_dp_dual_mode_helper.h> 35 #include <drm/display/drm_dp_mst_helper.h> 36 #include <drm/display/drm_dp_tunnel.h> 37 #include <drm/display/drm_dsc.h> 38 #include <drm/drm_atomic.h> 39 #include <drm/drm_crtc.h> 40 #include <drm/drm_encoder.h> 41 #include <drm/drm_fourcc.h> 42 #include <drm/drm_framebuffer.h> 43 #include <drm/drm_probe_helper.h> 44 #include <drm/drm_rect.h> 45 #include <drm/drm_vblank.h> 46 #include <drm/drm_vblank_work.h> 47 #include <drm/i915_hdcp_interface.h> 48 #include <media/cec-notifier.h> 49 50 #include "i915_vma.h" 51 #include "i915_vma_types.h" 52 #include "intel_bios.h" 53 #include "intel_display.h" 54 #include "intel_display_limits.h" 55 #include "intel_display_power.h" 56 #include "intel_dpll_mgr.h" 57 #include "intel_wm_types.h" 58 59 struct drm_printer; 60 struct __intel_global_objs_state; 61 struct intel_ddi_buf_trans; 62 struct intel_fbc; 63 struct intel_connector; 64 struct intel_tc_port; 65 66 /* 67 * Display related stuff 68 */ 69 70 /* these are outputs from the chip - integrated only 71 external chips are via DVO or SDVO output */ 72 enum intel_output_type { 73 INTEL_OUTPUT_UNUSED = 0, 74 INTEL_OUTPUT_ANALOG = 1, 75 INTEL_OUTPUT_DVO = 2, 76 INTEL_OUTPUT_SDVO = 3, 77 INTEL_OUTPUT_LVDS = 4, 78 INTEL_OUTPUT_TVOUT = 5, 79 INTEL_OUTPUT_HDMI = 6, 80 INTEL_OUTPUT_DP = 7, 81 INTEL_OUTPUT_EDP = 8, 82 INTEL_OUTPUT_DSI = 9, 83 INTEL_OUTPUT_DDI = 10, 84 INTEL_OUTPUT_DP_MST = 11, 85 }; 86 87 enum hdmi_force_audio { 88 HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */ 89 HDMI_AUDIO_OFF, /* force turn off HDMI audio */ 90 HDMI_AUDIO_AUTO, /* trust EDID */ 91 HDMI_AUDIO_ON, /* force turn on HDMI audio */ 92 }; 93 94 /* "Broadcast RGB" property */ 95 enum intel_broadcast_rgb { 96 INTEL_BROADCAST_RGB_AUTO, 97 INTEL_BROADCAST_RGB_FULL, 98 INTEL_BROADCAST_RGB_LIMITED, 99 }; 100 101 struct intel_fb_view { 102 /* 103 * The remap information used in the remapped and rotated views to 104 * create the DMA scatter-gather list for each FB color plane. This sg 105 * list is created along with the view type (gtt.type) specific 106 * i915_vma object and contains the list of FB object pages (reordered 107 * in the rotated view) that are visible in the view. 108 * In the normal view the FB object's backing store sg list is used 109 * directly and hence the remap information here is not used. 110 */ 111 struct i915_gtt_view gtt; 112 113 /* 114 * The GTT view (gtt.type) specific information for each FB color 115 * plane. In the normal GTT view all formats (up to 4 color planes), 116 * in the rotated and remapped GTT view all no-CCS formats (up to 2 117 * color planes) are supported. 118 * 119 * The view information shared by all FB color planes in the FB, 120 * like dst x/y and src/dst width, is stored separately in 121 * intel_plane_state. 122 */ 123 struct i915_color_plane_view { 124 u32 offset; 125 unsigned int x, y; 126 /* 127 * Plane stride in: 128 * bytes for 0/180 degree rotation 129 * pixels for 90/270 degree rotation 130 */ 131 unsigned int mapping_stride; 132 unsigned int scanout_stride; 133 } color_plane[4]; 134 }; 135 136 struct intel_framebuffer { 137 struct drm_framebuffer base; 138 struct intel_frontbuffer *frontbuffer; 139 140 /* Params to remap the FB pages and program the plane registers in each view. */ 141 struct intel_fb_view normal_view; 142 union { 143 struct intel_fb_view rotated_view; 144 struct intel_fb_view remapped_view; 145 }; 146 147 struct i915_address_space *dpt_vm; 148 }; 149 150 enum intel_hotplug_state { 151 INTEL_HOTPLUG_UNCHANGED, 152 INTEL_HOTPLUG_CHANGED, 153 INTEL_HOTPLUG_RETRY, 154 }; 155 156 struct intel_encoder { 157 struct drm_encoder base; 158 159 enum intel_output_type type; 160 enum port port; 161 u16 cloneable; 162 u8 pipe_mask; 163 enum intel_hotplug_state (*hotplug)(struct intel_encoder *encoder, 164 struct intel_connector *connector); 165 enum intel_output_type (*compute_output_type)(struct intel_encoder *, 166 struct intel_crtc_state *, 167 struct drm_connector_state *); 168 int (*compute_config)(struct intel_encoder *, 169 struct intel_crtc_state *, 170 struct drm_connector_state *); 171 int (*compute_config_late)(struct intel_encoder *, 172 struct intel_crtc_state *, 173 struct drm_connector_state *); 174 void (*pre_pll_enable)(struct intel_atomic_state *, 175 struct intel_encoder *, 176 const struct intel_crtc_state *, 177 const struct drm_connector_state *); 178 void (*pre_enable)(struct intel_atomic_state *, 179 struct intel_encoder *, 180 const struct intel_crtc_state *, 181 const struct drm_connector_state *); 182 void (*enable)(struct intel_atomic_state *, 183 struct intel_encoder *, 184 const struct intel_crtc_state *, 185 const struct drm_connector_state *); 186 void (*disable)(struct intel_atomic_state *, 187 struct intel_encoder *, 188 const struct intel_crtc_state *, 189 const struct drm_connector_state *); 190 void (*post_disable)(struct intel_atomic_state *, 191 struct intel_encoder *, 192 const struct intel_crtc_state *, 193 const struct drm_connector_state *); 194 void (*post_pll_disable)(struct intel_atomic_state *, 195 struct intel_encoder *, 196 const struct intel_crtc_state *, 197 const struct drm_connector_state *); 198 void (*update_pipe)(struct intel_atomic_state *, 199 struct intel_encoder *, 200 const struct intel_crtc_state *, 201 const struct drm_connector_state *); 202 void (*audio_enable)(struct intel_encoder *encoder, 203 const struct intel_crtc_state *crtc_state, 204 const struct drm_connector_state *conn_state); 205 void (*audio_disable)(struct intel_encoder *encoder, 206 const struct intel_crtc_state *old_crtc_state, 207 const struct drm_connector_state *old_conn_state); 208 /* Read out the current hw state of this connector, returning true if 209 * the encoder is active. If the encoder is enabled it also set the pipe 210 * it is connected to in the pipe parameter. */ 211 bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe); 212 /* Reconstructs the equivalent mode flags for the current hardware 213 * state. This must be called _after_ display->get_pipe_config has 214 * pre-filled the pipe config. Note that intel_encoder->base.crtc must 215 * be set correctly before calling this function. */ 216 void (*get_config)(struct intel_encoder *, 217 struct intel_crtc_state *pipe_config); 218 219 /* 220 * Optional hook called during init/resume to sync any state 221 * stored in the encoder (eg. DP link parameters) wrt. the HW state. 222 */ 223 void (*sync_state)(struct intel_encoder *encoder, 224 const struct intel_crtc_state *crtc_state); 225 226 /* 227 * Optional hook, returning true if this encoder allows a fastset 228 * during the initial commit, false otherwise. 229 */ 230 bool (*initial_fastset_check)(struct intel_encoder *encoder, 231 struct intel_crtc_state *crtc_state); 232 233 /* 234 * Acquires the power domains needed for an active encoder during 235 * hardware state readout. 236 */ 237 void (*get_power_domains)(struct intel_encoder *encoder, 238 struct intel_crtc_state *crtc_state); 239 /* 240 * Called during system suspend after all pending requests for the 241 * encoder are flushed (for example for DP AUX transactions) and 242 * device interrupts are disabled. 243 * All modeset locks are held while the hook is called. 244 */ 245 void (*suspend)(struct intel_encoder *); 246 /* 247 * Called without the modeset locks held after the suspend() hook for 248 * all encoders have been called. 249 */ 250 void (*suspend_complete)(struct intel_encoder *encoder); 251 /* 252 * Called during system reboot/shutdown after all the 253 * encoders have been disabled and suspended. 254 * All modeset locks are held while the hook is called. 255 */ 256 void (*shutdown)(struct intel_encoder *encoder); 257 /* 258 * Called without the modeset locks held after the shutdown() hook for 259 * all encoders have been called. 260 */ 261 void (*shutdown_complete)(struct intel_encoder *encoder); 262 /* 263 * Enable/disable the clock to the port. 264 */ 265 void (*enable_clock)(struct intel_encoder *encoder, 266 const struct intel_crtc_state *crtc_state); 267 void (*disable_clock)(struct intel_encoder *encoder); 268 /* 269 * Returns whether the port clock is enabled or not. 270 */ 271 bool (*is_clock_enabled)(struct intel_encoder *encoder); 272 /* 273 * Returns the PLL type the port uses. 274 */ 275 enum icl_port_dpll_id (*port_pll_type)(struct intel_encoder *encoder, 276 const struct intel_crtc_state *crtc_state); 277 const struct intel_ddi_buf_trans *(*get_buf_trans)(struct intel_encoder *encoder, 278 const struct intel_crtc_state *crtc_state, 279 int *n_entries); 280 void (*set_signal_levels)(struct intel_encoder *encoder, 281 const struct intel_crtc_state *crtc_state); 282 283 enum hpd_pin hpd_pin; 284 enum intel_display_power_domain power_domain; 285 286 /* VBT information for this encoder (may be NULL for older platforms) */ 287 const struct intel_bios_encoder_data *devdata; 288 }; 289 290 struct intel_panel_bl_funcs { 291 /* Connector and platform specific backlight functions */ 292 int (*setup)(struct intel_connector *connector, enum pipe pipe); 293 u32 (*get)(struct intel_connector *connector, enum pipe pipe); 294 void (*set)(const struct drm_connector_state *conn_state, u32 level); 295 void (*disable)(const struct drm_connector_state *conn_state, u32 level); 296 void (*enable)(const struct intel_crtc_state *crtc_state, 297 const struct drm_connector_state *conn_state, u32 level); 298 u32 (*hz_to_pwm)(struct intel_connector *connector, u32 hz); 299 }; 300 301 enum drrs_type { 302 DRRS_TYPE_NONE, 303 DRRS_TYPE_STATIC, 304 DRRS_TYPE_SEAMLESS, 305 }; 306 307 struct intel_vbt_panel_data { 308 struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */ 309 struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */ 310 311 /* Feature bits */ 312 int panel_type; 313 unsigned int lvds_dither:1; 314 unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */ 315 316 bool vrr; 317 318 u8 seamless_drrs_min_refresh_rate; 319 enum drrs_type drrs_type; 320 321 struct { 322 int max_link_rate; 323 int rate; 324 int lanes; 325 int preemphasis; 326 int vswing; 327 int bpp; 328 struct edp_power_seq pps; 329 u8 drrs_msa_timing_delay; 330 bool low_vswing; 331 bool hobl; 332 } edp; 333 334 struct { 335 bool enable; 336 bool full_link; 337 bool require_aux_wakeup; 338 int idle_frames; 339 int tp1_wakeup_time_us; 340 int tp2_tp3_wakeup_time_us; 341 int psr2_tp2_tp3_wakeup_time_us; 342 } psr; 343 344 struct { 345 u16 pwm_freq_hz; 346 u16 brightness_precision_bits; 347 u16 hdr_dpcd_refresh_timeout; 348 bool present; 349 bool active_low_pwm; 350 u8 min_brightness; /* min_brightness/255 of max */ 351 s8 controller; /* brightness controller number */ 352 enum intel_backlight_type type; 353 } backlight; 354 355 /* MIPI DSI */ 356 struct { 357 u16 panel_id; 358 struct mipi_config *config; 359 struct mipi_pps_data *pps; 360 u16 bl_ports; 361 u16 cabc_ports; 362 u8 seq_version; 363 u32 size; 364 u8 *data; 365 const u8 *sequence[MIPI_SEQ_MAX]; 366 u8 *deassert_seq; /* Used by fixup_mipi_sequences() */ 367 enum drm_panel_orientation orientation; 368 } dsi; 369 }; 370 371 struct intel_panel { 372 /* Fixed EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */ 373 const struct drm_edid *fixed_edid; 374 375 struct list_head fixed_modes; 376 377 /* backlight */ 378 struct { 379 bool present; 380 u32 level; 381 u32 min; 382 u32 max; 383 bool enabled; 384 bool combination_mode; /* gen 2/4 only */ 385 bool active_low_pwm; 386 bool alternate_pwm_increment; /* lpt+ */ 387 388 /* PWM chip */ 389 u32 pwm_level_min; 390 u32 pwm_level_max; 391 bool pwm_enabled; 392 bool util_pin_active_low; /* bxt+ */ 393 u8 controller; /* bxt+ only */ 394 struct pwm_device *pwm; 395 struct pwm_state pwm_state; 396 397 /* DPCD backlight */ 398 union { 399 struct { 400 struct drm_edp_backlight_info info; 401 } vesa; 402 struct { 403 bool sdr_uses_aux; 404 } intel; 405 } edp; 406 407 struct backlight_device *device; 408 409 const struct intel_panel_bl_funcs *funcs; 410 const struct intel_panel_bl_funcs *pwm_funcs; 411 void (*power)(struct intel_connector *, bool enable); 412 } backlight; 413 414 struct intel_vbt_panel_data vbt; 415 }; 416 417 struct intel_digital_port; 418 419 enum check_link_response { 420 HDCP_LINK_PROTECTED = 0, 421 HDCP_TOPOLOGY_CHANGE, 422 HDCP_LINK_INTEGRITY_FAILURE, 423 HDCP_REAUTH_REQUEST 424 }; 425 426 /* 427 * This structure serves as a translation layer between the generic HDCP code 428 * and the bus-specific code. What that means is that HDCP over HDMI differs 429 * from HDCP over DP, so to account for these differences, we need to 430 * communicate with the receiver through this shim. 431 * 432 * For completeness, the 2 buses differ in the following ways: 433 * - DP AUX vs. DDC 434 * HDCP registers on the receiver are set via DP AUX for DP, and 435 * they are set via DDC for HDMI. 436 * - Receiver register offsets 437 * The offsets of the registers are different for DP vs. HDMI 438 * - Receiver register masks/offsets 439 * For instance, the ready bit for the KSV fifo is in a different 440 * place on DP vs HDMI 441 * - Receiver register names 442 * Seriously. In the DP spec, the 16-bit register containing 443 * downstream information is called BINFO, on HDMI it's called 444 * BSTATUS. To confuse matters further, DP has a BSTATUS register 445 * with a completely different definition. 446 * - KSV FIFO 447 * On HDMI, the ksv fifo is read all at once, whereas on DP it must 448 * be read 3 keys at a time 449 * - Aksv output 450 * Since Aksv is hidden in hardware, there's different procedures 451 * to send it over DP AUX vs DDC 452 */ 453 struct intel_hdcp_shim { 454 /* Outputs the transmitter's An and Aksv values to the receiver. */ 455 int (*write_an_aksv)(struct intel_digital_port *dig_port, u8 *an); 456 457 /* Reads the receiver's key selection vector */ 458 int (*read_bksv)(struct intel_digital_port *dig_port, u8 *bksv); 459 460 /* 461 * Reads BINFO from DP receivers and BSTATUS from HDMI receivers. The 462 * definitions are the same in the respective specs, but the names are 463 * different. Call it BSTATUS since that's the name the HDMI spec 464 * uses and it was there first. 465 */ 466 int (*read_bstatus)(struct intel_digital_port *dig_port, 467 u8 *bstatus); 468 469 /* Determines whether a repeater is present downstream */ 470 int (*repeater_present)(struct intel_digital_port *dig_port, 471 bool *repeater_present); 472 473 /* Reads the receiver's Ri' value */ 474 int (*read_ri_prime)(struct intel_digital_port *dig_port, u8 *ri); 475 476 /* Determines if the receiver's KSV FIFO is ready for consumption */ 477 int (*read_ksv_ready)(struct intel_digital_port *dig_port, 478 bool *ksv_ready); 479 480 /* Reads the ksv fifo for num_downstream devices */ 481 int (*read_ksv_fifo)(struct intel_digital_port *dig_port, 482 int num_downstream, u8 *ksv_fifo); 483 484 /* Reads a 32-bit part of V' from the receiver */ 485 int (*read_v_prime_part)(struct intel_digital_port *dig_port, 486 int i, u32 *part); 487 488 /* Enables HDCP signalling on the port */ 489 int (*toggle_signalling)(struct intel_digital_port *dig_port, 490 enum transcoder cpu_transcoder, 491 bool enable); 492 493 /* Enable/Disable stream encryption on DP MST Transport Link */ 494 int (*stream_encryption)(struct intel_connector *connector, 495 bool enable); 496 497 /* Ensures the link is still protected */ 498 bool (*check_link)(struct intel_digital_port *dig_port, 499 struct intel_connector *connector); 500 501 /* Detects panel's hdcp capability. This is optional for HDMI. */ 502 int (*hdcp_get_capability)(struct intel_digital_port *dig_port, 503 bool *hdcp_capable); 504 505 /* HDCP adaptation(DP/HDMI) required on the port */ 506 enum hdcp_wired_protocol protocol; 507 508 /* Detects whether sink is HDCP2.2 capable */ 509 int (*hdcp_2_2_get_capability)(struct intel_connector *connector, 510 bool *capable); 511 512 /* Write HDCP2.2 messages */ 513 int (*write_2_2_msg)(struct intel_connector *connector, 514 void *buf, size_t size); 515 516 /* Read HDCP2.2 messages */ 517 int (*read_2_2_msg)(struct intel_connector *connector, 518 u8 msg_id, void *buf, size_t size); 519 520 /* 521 * Implementation of DP HDCP2.2 Errata for the communication of stream 522 * type to Receivers. In DP HDCP2.2 Stream type is one of the input to 523 * the HDCP2.2 Cipher for En/De-Cryption. Not applicable for HDMI. 524 */ 525 int (*config_stream_type)(struct intel_connector *connector, 526 bool is_repeater, u8 type); 527 528 /* Enable/Disable HDCP 2.2 stream encryption on DP MST Transport Link */ 529 int (*stream_2_2_encryption)(struct intel_connector *connector, 530 bool enable); 531 532 /* HDCP2.2 Link Integrity Check */ 533 int (*check_2_2_link)(struct intel_digital_port *dig_port, 534 struct intel_connector *connector); 535 536 /* HDCP remote sink cap */ 537 int (*get_remote_hdcp_capability)(struct intel_connector *connector, 538 bool *hdcp_capable, bool *hdcp2_capable); 539 }; 540 541 struct intel_hdcp { 542 const struct intel_hdcp_shim *shim; 543 /* Mutex for hdcp state of the connector */ 544 struct mutex mutex; 545 u64 value; 546 struct delayed_work check_work; 547 struct work_struct prop_work; 548 549 /* HDCP1.4 Encryption status */ 550 bool hdcp_encrypted; 551 552 /* HDCP2.2 related definitions */ 553 /* Flag indicates whether this connector supports HDCP2.2 or not. */ 554 bool hdcp2_supported; 555 556 /* HDCP2.2 Encryption status */ 557 bool hdcp2_encrypted; 558 559 /* 560 * Content Stream Type defined by content owner. TYPE0(0x0) content can 561 * flow in the link protected by HDCP2.2 or HDCP1.4, where as TYPE1(0x1) 562 * content can flow only through a link protected by HDCP2.2. 563 */ 564 u8 content_type; 565 566 bool is_paired; 567 bool is_repeater; 568 569 /* 570 * Count of ReceiverID_List received. Initialized to 0 at AKE_INIT. 571 * Incremented after processing the RepeaterAuth_Send_ReceiverID_List. 572 * When it rolls over re-auth has to be triggered. 573 */ 574 u32 seq_num_v; 575 576 /* 577 * Count of RepeaterAuth_Stream_Manage msg propagated. 578 * Initialized to 0 on AKE_INIT. Incremented after every successful 579 * transmission of RepeaterAuth_Stream_Manage message. When it rolls 580 * over re-Auth has to be triggered. 581 */ 582 u32 seq_num_m; 583 584 /* 585 * Work queue to signal the CP_IRQ. Used for the waiters to read the 586 * available information from HDCP DP sink. 587 */ 588 wait_queue_head_t cp_irq_queue; 589 atomic_t cp_irq_count; 590 int cp_irq_count_cached; 591 592 /* 593 * HDCP register access for gen12+ need the transcoder associated. 594 * Transcoder attached to the connector could be changed at modeset. 595 * Hence caching the transcoder here. 596 */ 597 enum transcoder cpu_transcoder; 598 /* Only used for DP MST stream encryption */ 599 enum transcoder stream_transcoder; 600 }; 601 602 struct intel_connector { 603 struct drm_connector base; 604 /* 605 * The fixed encoder this connector is connected to. 606 */ 607 struct intel_encoder *encoder; 608 609 /* ACPI device id for ACPI and driver cooperation */ 610 u32 acpi_device_id; 611 612 /* Reads out the current hw, returning true if the connector is enabled 613 * and active (i.e. dpms ON state). */ 614 bool (*get_hw_state)(struct intel_connector *); 615 616 /* 617 * Optional hook called during init/resume to sync any state 618 * stored in the connector (eg. DSC state) wrt. the HW state. 619 */ 620 void (*sync_state)(struct intel_connector *connector, 621 const struct intel_crtc_state *crtc_state); 622 623 /* Panel info for eDP and LVDS */ 624 struct intel_panel panel; 625 626 /* Cached EDID for detect. */ 627 const struct drm_edid *detect_edid; 628 629 /* Number of times hotplug detection was tried after an HPD interrupt */ 630 int hotplug_retries; 631 632 /* since POLL and HPD connectors may use the same HPD line keep the native 633 state of connector->polled in case hotplug storm detection changes it */ 634 u8 polled; 635 636 struct drm_dp_mst_port *port; 637 638 struct intel_dp *mst_port; 639 640 bool force_bigjoiner_enable; 641 642 struct { 643 struct drm_dp_aux *dsc_decompression_aux; 644 u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]; 645 u8 fec_capability; 646 647 u8 dsc_hblank_expansion_quirk:1; 648 u8 dsc_decompression_enabled:1; 649 } dp; 650 651 /* Work struct to schedule a uevent on link train failure */ 652 struct work_struct modeset_retry_work; 653 654 struct intel_hdcp hdcp; 655 }; 656 657 struct intel_digital_connector_state { 658 struct drm_connector_state base; 659 660 enum hdmi_force_audio force_audio; 661 int broadcast_rgb; 662 }; 663 664 #define to_intel_digital_connector_state(x) container_of(x, struct intel_digital_connector_state, base) 665 666 struct dpll { 667 /* given values */ 668 int n; 669 int m1, m2; 670 int p1, p2; 671 /* derived values */ 672 int dot; 673 int vco; 674 int m; 675 int p; 676 }; 677 678 struct intel_atomic_state { 679 struct drm_atomic_state base; 680 681 intel_wakeref_t wakeref; 682 683 struct __intel_global_objs_state *global_objs; 684 int num_global_objs; 685 686 /* Internal commit, as opposed to userspace/client initiated one */ 687 bool internal; 688 689 bool dpll_set, modeset; 690 691 struct intel_shared_dpll_state shared_dpll[I915_NUM_PLLS]; 692 693 struct intel_dp_tunnel_inherited_state *inherited_dp_tunnels; 694 695 /* 696 * Current watermarks can't be trusted during hardware readout, so 697 * don't bother calculating intermediate watermarks. 698 */ 699 bool skip_intermediate_wm; 700 701 bool rps_interactive; 702 }; 703 704 struct intel_plane_state { 705 struct drm_plane_state uapi; 706 707 /* 708 * actual hardware state, the state we program to the hardware. 709 * The following members are used to verify the hardware state: 710 * During initial hw readout, they need to be copied from uapi. 711 */ 712 struct { 713 struct drm_crtc *crtc; 714 struct drm_framebuffer *fb; 715 716 u16 alpha; 717 u16 pixel_blend_mode; 718 unsigned int rotation; 719 enum drm_color_encoding color_encoding; 720 enum drm_color_range color_range; 721 enum drm_scaling_filter scaling_filter; 722 } hw; 723 724 struct i915_vma *ggtt_vma; 725 struct i915_vma *dpt_vma; 726 unsigned long flags; 727 #define PLANE_HAS_FENCE BIT(0) 728 729 struct intel_fb_view view; 730 u32 phys_dma_addr; /* for cursor_needs_physical */ 731 732 /* Plane pxp decryption state */ 733 bool decrypt; 734 735 /* Plane state to display black pixels when pxp is borked */ 736 bool force_black; 737 738 /* plane control register */ 739 u32 ctl; 740 741 /* plane color control register */ 742 u32 color_ctl; 743 744 /* chroma upsampler control register */ 745 u32 cus_ctl; 746 747 /* 748 * scaler_id 749 * = -1 : not using a scaler 750 * >= 0 : using a scalers 751 * 752 * plane requiring a scaler: 753 * - During check_plane, its bit is set in 754 * crtc_state->scaler_state.scaler_users by calling helper function 755 * update_scaler_plane. 756 * - scaler_id indicates the scaler it got assigned. 757 * 758 * plane doesn't require a scaler: 759 * - this can happen when scaling is no more required or plane simply 760 * got disabled. 761 * - During check_plane, corresponding bit is reset in 762 * crtc_state->scaler_state.scaler_users by calling helper function 763 * update_scaler_plane. 764 */ 765 int scaler_id; 766 767 /* 768 * planar_linked_plane: 769 * 770 * ICL planar formats require 2 planes that are updated as pairs. 771 * This member is used to make sure the other plane is also updated 772 * when required, and for update_slave() to find the correct 773 * plane_state to pass as argument. 774 */ 775 struct intel_plane *planar_linked_plane; 776 777 /* 778 * planar_slave: 779 * If set don't update use the linked plane's state for updating 780 * this plane during atomic commit with the update_slave() callback. 781 * 782 * It's also used by the watermark code to ignore wm calculations on 783 * this plane. They're calculated by the linked plane's wm code. 784 */ 785 u32 planar_slave; 786 787 struct drm_intel_sprite_colorkey ckey; 788 789 struct drm_rect psr2_sel_fetch_area; 790 791 /* Clear Color Value */ 792 u64 ccval; 793 794 const char *no_fbc_reason; 795 }; 796 797 struct intel_initial_plane_config { 798 struct intel_framebuffer *fb; 799 struct intel_memory_region *mem; 800 resource_size_t phys_base; 801 struct i915_vma *vma; 802 unsigned int tiling; 803 int size; 804 u32 base; 805 u8 rotation; 806 }; 807 808 struct intel_scaler { 809 int in_use; 810 u32 mode; 811 }; 812 813 struct intel_crtc_scaler_state { 814 #define SKL_NUM_SCALERS 2 815 struct intel_scaler scalers[SKL_NUM_SCALERS]; 816 817 /* 818 * scaler_users: keeps track of users requesting scalers on this crtc. 819 * 820 * If a bit is set, a user is using a scaler. 821 * Here user can be a plane or crtc as defined below: 822 * bits 0-30 - plane (bit position is index from drm_plane_index) 823 * bit 31 - crtc 824 * 825 * Instead of creating a new index to cover planes and crtc, using 826 * existing drm_plane_index for planes which is well less than 31 827 * planes and bit 31 for crtc. This should be fine to cover all 828 * our platforms. 829 * 830 * intel_atomic_setup_scalers will setup available scalers to users 831 * requesting scalers. It will gracefully fail if request exceeds 832 * avilability. 833 */ 834 #define SKL_CRTC_INDEX 31 835 unsigned scaler_users; 836 837 /* scaler used by crtc for panel fitting purpose */ 838 int scaler_id; 839 }; 840 841 /* {crtc,crtc_state}->mode_flags */ 842 /* Flag to get scanline using frame time stamps */ 843 #define I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP (1<<1) 844 /* Flag to use the scanline counter instead of the pixel counter */ 845 #define I915_MODE_FLAG_USE_SCANLINE_COUNTER (1<<2) 846 /* 847 * TE0 or TE1 flag is set if the crtc has a DSI encoder which 848 * is operating in command mode. 849 * Flag to use TE from DSI0 instead of VBI in command mode 850 */ 851 #define I915_MODE_FLAG_DSI_USE_TE0 (1<<3) 852 /* Flag to use TE from DSI1 instead of VBI in command mode */ 853 #define I915_MODE_FLAG_DSI_USE_TE1 (1<<4) 854 /* Flag to indicate mipi dsi periodic command mode where we do not get TE */ 855 #define I915_MODE_FLAG_DSI_PERIODIC_CMD_MODE (1<<5) 856 /* Do tricks to make vblank timestamps sane with VRR? */ 857 #define I915_MODE_FLAG_VRR (1<<6) 858 859 struct intel_wm_level { 860 bool enable; 861 u32 pri_val; 862 u32 spr_val; 863 u32 cur_val; 864 u32 fbc_val; 865 }; 866 867 struct intel_pipe_wm { 868 struct intel_wm_level wm[5]; 869 bool fbc_wm_enabled; 870 bool pipe_enabled; 871 bool sprites_enabled; 872 bool sprites_scaled; 873 }; 874 875 struct skl_wm_level { 876 u16 min_ddb_alloc; 877 u16 blocks; 878 u8 lines; 879 bool enable; 880 bool ignore_lines; 881 bool can_sagv; 882 }; 883 884 struct skl_plane_wm { 885 struct skl_wm_level wm[8]; 886 struct skl_wm_level uv_wm[8]; 887 struct skl_wm_level trans_wm; 888 struct { 889 struct skl_wm_level wm0; 890 struct skl_wm_level trans_wm; 891 } sagv; 892 bool is_planar; 893 }; 894 895 struct skl_pipe_wm { 896 struct skl_plane_wm planes[I915_MAX_PLANES]; 897 bool use_sagv_wm; 898 }; 899 900 enum vlv_wm_level { 901 VLV_WM_LEVEL_PM2, 902 VLV_WM_LEVEL_PM5, 903 VLV_WM_LEVEL_DDR_DVFS, 904 NUM_VLV_WM_LEVELS, 905 }; 906 907 struct vlv_wm_state { 908 struct g4x_pipe_wm wm[NUM_VLV_WM_LEVELS]; 909 struct g4x_sr_wm sr[NUM_VLV_WM_LEVELS]; 910 u8 num_levels; 911 bool cxsr; 912 }; 913 914 struct vlv_fifo_state { 915 u16 plane[I915_MAX_PLANES]; 916 }; 917 918 enum g4x_wm_level { 919 G4X_WM_LEVEL_NORMAL, 920 G4X_WM_LEVEL_SR, 921 G4X_WM_LEVEL_HPLL, 922 NUM_G4X_WM_LEVELS, 923 }; 924 925 struct g4x_wm_state { 926 struct g4x_pipe_wm wm; 927 struct g4x_sr_wm sr; 928 struct g4x_sr_wm hpll; 929 bool cxsr; 930 bool hpll_en; 931 bool fbc_en; 932 }; 933 934 struct intel_crtc_wm_state { 935 union { 936 /* 937 * raw: 938 * The "raw" watermark values produced by the formula 939 * given the plane's current state. They do not consider 940 * how much FIFO is actually allocated for each plane. 941 * 942 * optimal: 943 * The "optimal" watermark values given the current 944 * state of the planes and the amount of FIFO 945 * allocated to each, ignoring any previous state 946 * of the planes. 947 * 948 * intermediate: 949 * The "intermediate" watermark values when transitioning 950 * between the old and new "optimal" values. Used when 951 * the watermark registers are single buffered and hence 952 * their state changes asynchronously with regards to the 953 * actual plane registers. These are essentially the 954 * worst case combination of the old and new "optimal" 955 * watermarks, which are therefore safe to use when the 956 * plane is in either its old or new state. 957 */ 958 struct { 959 struct intel_pipe_wm intermediate; 960 struct intel_pipe_wm optimal; 961 } ilk; 962 963 struct { 964 struct skl_pipe_wm raw; 965 /* gen9+ only needs 1-step wm programming */ 966 struct skl_pipe_wm optimal; 967 struct skl_ddb_entry ddb; 968 /* 969 * pre-icl: for packed/planar CbCr 970 * icl+: for everything 971 */ 972 struct skl_ddb_entry plane_ddb[I915_MAX_PLANES]; 973 /* pre-icl: for planar Y */ 974 struct skl_ddb_entry plane_ddb_y[I915_MAX_PLANES]; 975 } skl; 976 977 struct { 978 struct g4x_pipe_wm raw[NUM_VLV_WM_LEVELS]; /* not inverted */ 979 struct vlv_wm_state intermediate; /* inverted */ 980 struct vlv_wm_state optimal; /* inverted */ 981 struct vlv_fifo_state fifo_state; 982 } vlv; 983 984 struct { 985 struct g4x_pipe_wm raw[NUM_G4X_WM_LEVELS]; 986 struct g4x_wm_state intermediate; 987 struct g4x_wm_state optimal; 988 } g4x; 989 }; 990 991 /* 992 * Platforms with two-step watermark programming will need to 993 * update watermark programming post-vblank to switch from the 994 * safe intermediate watermarks to the optimal final 995 * watermarks. 996 */ 997 bool need_postvbl_update; 998 }; 999 1000 enum intel_output_format { 1001 INTEL_OUTPUT_FORMAT_RGB, 1002 INTEL_OUTPUT_FORMAT_YCBCR420, 1003 INTEL_OUTPUT_FORMAT_YCBCR444, 1004 }; 1005 1006 struct intel_mpllb_state { 1007 u32 clock; /* in KHz */ 1008 u32 ref_control; 1009 u32 mpllb_cp; 1010 u32 mpllb_div; 1011 u32 mpllb_div2; 1012 u32 mpllb_fracn1; 1013 u32 mpllb_fracn2; 1014 u32 mpllb_sscen; 1015 u32 mpllb_sscstep; 1016 }; 1017 1018 /* Used by dp and fdi links */ 1019 struct intel_link_m_n { 1020 u32 tu; 1021 u32 data_m; 1022 u32 data_n; 1023 u32 link_m; 1024 u32 link_n; 1025 }; 1026 1027 struct intel_csc_matrix { 1028 u16 coeff[9]; 1029 u16 preoff[3]; 1030 u16 postoff[3]; 1031 }; 1032 1033 struct intel_c10pll_state { 1034 u32 clock; /* in KHz */ 1035 u8 tx; 1036 u8 cmn; 1037 u8 pll[20]; 1038 }; 1039 1040 struct intel_c20pll_state { 1041 u32 clock; /* in kHz */ 1042 u16 tx[3]; 1043 u16 cmn[4]; 1044 union { 1045 u16 mplla[10]; 1046 u16 mpllb[11]; 1047 }; 1048 }; 1049 1050 struct intel_cx0pll_state { 1051 union { 1052 struct intel_c10pll_state c10; 1053 struct intel_c20pll_state c20; 1054 }; 1055 bool ssc_enabled; 1056 }; 1057 1058 struct intel_crtc_state { 1059 /* 1060 * uapi (drm) state. This is the software state shown to userspace. 1061 * In particular, the following members are used for bookkeeping: 1062 * - crtc 1063 * - state 1064 * - *_changed 1065 * - event 1066 * - commit 1067 * - mode_blob 1068 */ 1069 struct drm_crtc_state uapi; 1070 1071 /* 1072 * actual hardware state, the state we program to the hardware. 1073 * The following members are used to verify the hardware state: 1074 * - enable 1075 * - active 1076 * - mode / pipe_mode / adjusted_mode 1077 * - color property blobs. 1078 * 1079 * During initial hw readout, they need to be copied to uapi. 1080 * 1081 * Bigjoiner will allow a transcoder mode that spans 2 pipes; 1082 * Use the pipe_mode for calculations like watermarks, pipe 1083 * scaler, and bandwidth. 1084 * 1085 * Use adjusted_mode for things that need to know the full 1086 * mode on the transcoder, which spans all pipes. 1087 */ 1088 struct { 1089 bool active, enable; 1090 /* logical state of LUTs */ 1091 struct drm_property_blob *degamma_lut, *gamma_lut, *ctm; 1092 struct drm_display_mode mode, pipe_mode, adjusted_mode; 1093 enum drm_scaling_filter scaling_filter; 1094 } hw; 1095 1096 /* actual state of LUTs */ 1097 struct drm_property_blob *pre_csc_lut, *post_csc_lut; 1098 1099 struct intel_csc_matrix csc, output_csc; 1100 1101 /** 1102 * quirks - bitfield with hw state readout quirks 1103 * 1104 * For various reasons the hw state readout code might not be able to 1105 * completely faithfully read out the current state. These cases are 1106 * tracked with quirk flags so that fastboot and state checker can act 1107 * accordingly. 1108 */ 1109 #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */ 1110 unsigned long quirks; 1111 1112 unsigned fb_bits; /* framebuffers to flip */ 1113 bool update_pipe; /* can a fast modeset be performed? */ 1114 bool update_m_n; /* update M/N seamlessly during fastset? */ 1115 bool update_lrr; /* update TRANS_VTOTAL/etc. during fastset? */ 1116 bool disable_cxsr; 1117 bool update_wm_pre, update_wm_post; /* watermarks are updated */ 1118 bool fifo_changed; /* FIFO split is changed */ 1119 bool preload_luts; 1120 bool inherited; /* state inherited from BIOS? */ 1121 1122 /* Ask the hardware to actually async flip? */ 1123 bool do_async_flip; 1124 1125 /* Pipe source size (ie. panel fitter input size) 1126 * All planes will be positioned inside this space, 1127 * and get clipped at the edges. */ 1128 struct drm_rect pipe_src; 1129 1130 /* 1131 * Pipe pixel rate, adjusted for 1132 * panel fitter/pipe scaler downscaling. 1133 */ 1134 unsigned int pixel_rate; 1135 1136 /* Whether to set up the PCH/FDI. Note that we never allow sharing 1137 * between pch encoders and cpu encoders. */ 1138 bool has_pch_encoder; 1139 1140 /* Are we sending infoframes on the attached port */ 1141 bool has_infoframe; 1142 1143 /* CPU Transcoder for the pipe. Currently this can only differ from the 1144 * pipe on Haswell and later (where we have a special eDP transcoder) 1145 * and Broxton (where we have special DSI transcoders). */ 1146 enum transcoder cpu_transcoder; 1147 1148 /* 1149 * Use reduced/limited/broadcast rbg range, compressing from the full 1150 * range fed into the crtcs. 1151 */ 1152 bool limited_color_range; 1153 1154 /* Bitmask of encoder types (enum intel_output_type) 1155 * driven by the pipe. 1156 */ 1157 unsigned int output_types; 1158 1159 /* Whether we should send NULL infoframes. Required for audio. */ 1160 bool has_hdmi_sink; 1161 1162 /* Audio enabled on this pipe. Only valid if either has_hdmi_sink or 1163 * has_dp_encoder is set. */ 1164 bool has_audio; 1165 1166 /* 1167 * Enable dithering, used when the selected pipe bpp doesn't match the 1168 * plane bpp. 1169 */ 1170 bool dither; 1171 1172 /* 1173 * Dither gets enabled for 18bpp which causes CRC mismatch errors for 1174 * compliance video pattern tests. 1175 * Disable dither only if it is a compliance test request for 1176 * 18bpp. 1177 */ 1178 bool dither_force_disable; 1179 1180 /* Controls for the clock computation, to override various stages. */ 1181 bool clock_set; 1182 1183 /* SDVO TV has a bunch of special case. To make multifunction encoders 1184 * work correctly, we need to track this at runtime.*/ 1185 bool sdvo_tv_clock; 1186 1187 /* 1188 * crtc bandwidth limit, don't increase pipe bpp or clock if not really 1189 * required. This is set in the 2nd loop of calling encoder's 1190 * ->compute_config if the first pick doesn't work out. 1191 */ 1192 bool bw_constrained; 1193 1194 /* Settings for the intel dpll used on pretty much everything but 1195 * haswell. */ 1196 struct dpll dpll; 1197 1198 /* Selected dpll when shared or NULL. */ 1199 struct intel_shared_dpll *shared_dpll; 1200 1201 /* Actual register state of the dpll, for shared dpll cross-checking. */ 1202 union { 1203 struct intel_dpll_hw_state dpll_hw_state; 1204 struct intel_mpllb_state mpllb_state; 1205 struct intel_cx0pll_state cx0pll_state; 1206 }; 1207 1208 /* 1209 * ICL reserved DPLLs for the CRTC/port. The active PLL is selected by 1210 * setting shared_dpll and dpll_hw_state to one of these reserved ones. 1211 */ 1212 struct icl_port_dpll { 1213 struct intel_shared_dpll *pll; 1214 struct intel_dpll_hw_state hw_state; 1215 } icl_port_dplls[ICL_PORT_DPLL_COUNT]; 1216 1217 /* DSI PLL registers */ 1218 struct { 1219 u32 ctrl, div; 1220 } dsi_pll; 1221 1222 int max_link_bpp_x16; /* in 1/16 bpp units */ 1223 int pipe_bpp; /* in 1 bpp units */ 1224 struct intel_link_m_n dp_m_n; 1225 1226 /* m2_n2 for eDP downclock */ 1227 struct intel_link_m_n dp_m2_n2; 1228 bool has_drrs; 1229 1230 /* PSR is supported but might not be enabled due the lack of enabled planes */ 1231 bool has_psr; 1232 bool has_psr2; 1233 bool enable_psr2_sel_fetch; 1234 bool enable_psr2_su_region_et; 1235 bool req_psr2_sdp_prior_scanline; 1236 bool has_panel_replay; 1237 bool wm_level_disabled; 1238 u32 dc3co_exitline; 1239 u16 su_y_granularity; 1240 1241 /* 1242 * Frequence the dpll for the port should run at. Differs from the 1243 * adjusted dotclock e.g. for DP or 10/12bpc hdmi mode. This is also 1244 * already multiplied by pixel_multiplier. 1245 */ 1246 int port_clock; 1247 1248 /* Used by SDVO (and if we ever fix it, HDMI). */ 1249 unsigned pixel_multiplier; 1250 1251 /* I915_MODE_FLAG_* */ 1252 u8 mode_flags; 1253 1254 u8 lane_count; 1255 1256 /* 1257 * Used by platforms having DP/HDMI PHY with programmable lane 1258 * latency optimization. 1259 */ 1260 u8 lane_lat_optim_mask; 1261 1262 /* minimum acceptable voltage level */ 1263 u8 min_voltage_level; 1264 1265 /* Panel fitter controls for gen2-gen4 + VLV */ 1266 struct { 1267 u32 control; 1268 u32 pgm_ratios; 1269 u32 lvds_border_bits; 1270 } gmch_pfit; 1271 1272 /* Panel fitter placement and size for Ironlake+ */ 1273 struct { 1274 struct drm_rect dst; 1275 bool enabled; 1276 bool force_thru; 1277 } pch_pfit; 1278 1279 /* FDI configuration, only valid if has_pch_encoder is set. */ 1280 int fdi_lanes; 1281 struct intel_link_m_n fdi_m_n; 1282 1283 bool ips_enabled; 1284 1285 bool crc_enabled; 1286 1287 bool double_wide; 1288 1289 int pbn; 1290 1291 struct intel_crtc_scaler_state scaler_state; 1292 1293 /* w/a for waiting 2 vblanks during crtc enable */ 1294 enum pipe hsw_workaround_pipe; 1295 1296 /* IVB sprite scaling w/a (WaCxSRDisabledForSpriteScaling:ivb) */ 1297 bool disable_lp_wm; 1298 1299 struct intel_crtc_wm_state wm; 1300 1301 int min_cdclk[I915_MAX_PLANES]; 1302 1303 /* for packed/planar CbCr */ 1304 u32 data_rate[I915_MAX_PLANES]; 1305 /* for planar Y */ 1306 u32 data_rate_y[I915_MAX_PLANES]; 1307 1308 /* FIXME unify with data_rate[]? */ 1309 u64 rel_data_rate[I915_MAX_PLANES]; 1310 u64 rel_data_rate_y[I915_MAX_PLANES]; 1311 1312 /* Gamma mode programmed on the pipe */ 1313 u32 gamma_mode; 1314 1315 union { 1316 /* CSC mode programmed on the pipe */ 1317 u32 csc_mode; 1318 1319 /* CHV CGM mode */ 1320 u32 cgm_mode; 1321 }; 1322 1323 /* bitmask of logically enabled planes (enum plane_id) */ 1324 u8 enabled_planes; 1325 1326 /* bitmask of actually visible planes (enum plane_id) */ 1327 u8 active_planes; 1328 u8 scaled_planes; 1329 u8 nv12_planes; 1330 u8 c8_planes; 1331 1332 /* bitmask of planes that will be updated during the commit */ 1333 u8 update_planes; 1334 1335 /* bitmask of planes with async flip active */ 1336 u8 async_flip_planes; 1337 1338 u8 framestart_delay; /* 1-4 */ 1339 u8 msa_timing_delay; /* 0-3 */ 1340 1341 struct { 1342 u32 enable; 1343 u32 gcp; 1344 union hdmi_infoframe avi; 1345 union hdmi_infoframe spd; 1346 union hdmi_infoframe hdmi; 1347 union hdmi_infoframe drm; 1348 struct drm_dp_vsc_sdp vsc; 1349 } infoframes; 1350 1351 u8 eld[MAX_ELD_BYTES]; 1352 1353 /* HDMI scrambling status */ 1354 bool hdmi_scrambling; 1355 1356 /* HDMI High TMDS char rate ratio */ 1357 bool hdmi_high_tmds_clock_ratio; 1358 1359 /* 1360 * Output format RGB/YCBCR etc., that is coming out 1361 * at the end of the pipe. 1362 */ 1363 enum intel_output_format output_format; 1364 1365 /* 1366 * Sink output format RGB/YCBCR etc., that is going 1367 * into the sink. 1368 */ 1369 enum intel_output_format sink_format; 1370 1371 /* enable pipe gamma? */ 1372 bool gamma_enable; 1373 1374 /* enable pipe csc? */ 1375 bool csc_enable; 1376 1377 /* enable vlv/chv wgc csc? */ 1378 bool wgc_enable; 1379 1380 /* big joiner pipe bitmask */ 1381 u8 bigjoiner_pipes; 1382 1383 /* Display Stream compression state */ 1384 struct { 1385 bool compression_enable; 1386 bool dsc_split; 1387 /* Compressed Bpp in U6.4 format (first 4 bits for fractional part) */ 1388 u16 compressed_bpp_x16; 1389 u8 slice_count; 1390 struct drm_dsc_config config; 1391 } dsc; 1392 1393 /* DP tunnel used for BW allocation. */ 1394 struct drm_dp_tunnel_ref dp_tunnel_ref; 1395 1396 /* HSW+ linetime watermarks */ 1397 u16 linetime; 1398 u16 ips_linetime; 1399 1400 bool enhanced_framing; 1401 1402 /* 1403 * Forward Error Correction. 1404 * 1405 * Note: This will be false for 128b/132b, which will always have FEC 1406 * enabled automatically. 1407 */ 1408 bool fec_enable; 1409 1410 bool sdp_split_enable; 1411 1412 /* Pointer to master transcoder in case of tiled displays */ 1413 enum transcoder master_transcoder; 1414 1415 /* Bitmask to indicate slaves attached */ 1416 u8 sync_mode_slaves_mask; 1417 1418 /* Only valid on TGL+ */ 1419 enum transcoder mst_master_transcoder; 1420 1421 /* For DSB related info */ 1422 struct intel_dsb *dsb; 1423 1424 u32 psr2_man_track_ctl; 1425 1426 u32 pipe_srcsz_early_tpt; 1427 1428 struct drm_rect psr2_su_area; 1429 1430 /* Variable Refresh Rate state */ 1431 struct { 1432 bool enable, in_range; 1433 u8 pipeline_full; 1434 u16 flipline, vmin, vmax, guardband; 1435 } vrr; 1436 1437 /* Stream Splitter for eDP MSO */ 1438 struct { 1439 bool enable; 1440 u8 link_count; 1441 u8 pixel_overlap; 1442 } splitter; 1443 1444 /* for loading single buffered registers during vblank */ 1445 struct drm_vblank_work vblank_work; 1446 }; 1447 1448 enum intel_pipe_crc_source { 1449 INTEL_PIPE_CRC_SOURCE_NONE, 1450 INTEL_PIPE_CRC_SOURCE_PLANE1, 1451 INTEL_PIPE_CRC_SOURCE_PLANE2, 1452 INTEL_PIPE_CRC_SOURCE_PLANE3, 1453 INTEL_PIPE_CRC_SOURCE_PLANE4, 1454 INTEL_PIPE_CRC_SOURCE_PLANE5, 1455 INTEL_PIPE_CRC_SOURCE_PLANE6, 1456 INTEL_PIPE_CRC_SOURCE_PLANE7, 1457 INTEL_PIPE_CRC_SOURCE_PIPE, 1458 /* TV/DP on pre-gen5/vlv can't use the pipe source. */ 1459 INTEL_PIPE_CRC_SOURCE_TV, 1460 INTEL_PIPE_CRC_SOURCE_DP_B, 1461 INTEL_PIPE_CRC_SOURCE_DP_C, 1462 INTEL_PIPE_CRC_SOURCE_DP_D, 1463 INTEL_PIPE_CRC_SOURCE_AUTO, 1464 INTEL_PIPE_CRC_SOURCE_MAX, 1465 }; 1466 1467 enum drrs_refresh_rate { 1468 DRRS_REFRESH_RATE_HIGH, 1469 DRRS_REFRESH_RATE_LOW, 1470 }; 1471 1472 #define INTEL_PIPE_CRC_ENTRIES_NR 128 1473 struct intel_pipe_crc { 1474 spinlock_t lock; 1475 int skipped; 1476 enum intel_pipe_crc_source source; 1477 }; 1478 1479 struct intel_crtc { 1480 struct drm_crtc base; 1481 enum pipe pipe; 1482 /* 1483 * Whether the crtc and the connected output pipeline is active. Implies 1484 * that crtc->enabled is set, i.e. the current mode configuration has 1485 * some outputs connected to this crtc. 1486 */ 1487 bool active; 1488 u8 plane_ids_mask; 1489 1490 /* I915_MODE_FLAG_* */ 1491 u8 mode_flags; 1492 1493 u16 vmax_vblank_start; 1494 1495 struct intel_display_power_domain_set enabled_power_domains; 1496 struct intel_display_power_domain_set hw_readout_power_domains; 1497 struct intel_overlay *overlay; 1498 1499 struct intel_crtc_state *config; 1500 1501 /* armed event for async flip */ 1502 struct drm_pending_vblank_event *flip_done_event; 1503 1504 /* Access to these should be protected by dev_priv->irq_lock. */ 1505 bool cpu_fifo_underrun_disabled; 1506 bool pch_fifo_underrun_disabled; 1507 1508 /* per-pipe watermark state */ 1509 struct { 1510 /* watermarks currently being used */ 1511 union { 1512 struct intel_pipe_wm ilk; 1513 struct vlv_wm_state vlv; 1514 struct g4x_wm_state g4x; 1515 } active; 1516 } wm; 1517 1518 struct { 1519 struct mutex mutex; 1520 struct delayed_work work; 1521 enum drrs_refresh_rate refresh_rate; 1522 unsigned int frontbuffer_bits; 1523 unsigned int busy_frontbuffer_bits; 1524 enum transcoder cpu_transcoder; 1525 struct intel_link_m_n m_n, m2_n2; 1526 } drrs; 1527 1528 int scanline_offset; 1529 1530 struct { 1531 unsigned start_vbl_count; 1532 ktime_t start_vbl_time; 1533 int min_vbl, max_vbl; 1534 int scanline_start; 1535 #ifdef CONFIG_DRM_I915_DEBUG_VBLANK_EVADE 1536 struct { 1537 u64 min; 1538 u64 max; 1539 u64 sum; 1540 unsigned int over; 1541 unsigned int times[17]; /* [1us, 16ms] */ 1542 } vbl; 1543 #endif 1544 } debug; 1545 1546 /* scalers available on this crtc */ 1547 int num_scalers; 1548 1549 /* for loading single buffered registers during vblank */ 1550 struct pm_qos_request vblank_pm_qos; 1551 1552 #ifdef CONFIG_DEBUG_FS 1553 struct intel_pipe_crc pipe_crc; 1554 #endif 1555 }; 1556 1557 struct intel_plane { 1558 struct drm_plane base; 1559 enum i9xx_plane_id i9xx_plane; 1560 enum plane_id id; 1561 enum pipe pipe; 1562 bool need_async_flip_disable_wa; 1563 u32 frontbuffer_bit; 1564 1565 struct { 1566 u32 base, cntl, size; 1567 } cursor; 1568 1569 struct intel_fbc *fbc; 1570 1571 /* 1572 * NOTE: Do not place new plane state fields here (e.g., when adding 1573 * new plane properties). New runtime state should now be placed in 1574 * the intel_plane_state structure and accessed via plane_state. 1575 */ 1576 1577 int (*min_width)(const struct drm_framebuffer *fb, 1578 int color_plane, 1579 unsigned int rotation); 1580 int (*max_width)(const struct drm_framebuffer *fb, 1581 int color_plane, 1582 unsigned int rotation); 1583 int (*max_height)(const struct drm_framebuffer *fb, 1584 int color_plane, 1585 unsigned int rotation); 1586 unsigned int (*max_stride)(struct intel_plane *plane, 1587 u32 pixel_format, u64 modifier, 1588 unsigned int rotation); 1589 /* Write all non-self arming plane registers */ 1590 void (*update_noarm)(struct intel_plane *plane, 1591 const struct intel_crtc_state *crtc_state, 1592 const struct intel_plane_state *plane_state); 1593 /* Write all self-arming plane registers */ 1594 void (*update_arm)(struct intel_plane *plane, 1595 const struct intel_crtc_state *crtc_state, 1596 const struct intel_plane_state *plane_state); 1597 /* Disable the plane, must arm */ 1598 void (*disable_arm)(struct intel_plane *plane, 1599 const struct intel_crtc_state *crtc_state); 1600 bool (*get_hw_state)(struct intel_plane *plane, enum pipe *pipe); 1601 int (*check_plane)(struct intel_crtc_state *crtc_state, 1602 struct intel_plane_state *plane_state); 1603 int (*min_cdclk)(const struct intel_crtc_state *crtc_state, 1604 const struct intel_plane_state *plane_state); 1605 void (*async_flip)(struct intel_plane *plane, 1606 const struct intel_crtc_state *crtc_state, 1607 const struct intel_plane_state *plane_state, 1608 bool async_flip); 1609 void (*enable_flip_done)(struct intel_plane *plane); 1610 void (*disable_flip_done)(struct intel_plane *plane); 1611 }; 1612 1613 struct intel_watermark_params { 1614 u16 fifo_size; 1615 u16 max_wm; 1616 u8 default_wm; 1617 u8 guard_size; 1618 u8 cacheline_size; 1619 }; 1620 1621 #define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base) 1622 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base) 1623 #define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, uapi) 1624 #define to_intel_connector(x) container_of(x, struct intel_connector, base) 1625 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base) 1626 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base) 1627 #define to_intel_plane(x) container_of(x, struct intel_plane, base) 1628 #define to_intel_plane_state(x) container_of(x, struct intel_plane_state, uapi) 1629 #define intel_fb_obj(x) ((x) ? to_intel_bo((x)->obj[0]) : NULL) 1630 1631 struct intel_hdmi { 1632 i915_reg_t hdmi_reg; 1633 struct { 1634 enum drm_dp_dual_mode_type type; 1635 int max_tmds_clock; 1636 } dp_dual_mode; 1637 struct intel_connector *attached_connector; 1638 struct cec_notifier *cec_notifier; 1639 }; 1640 1641 struct intel_dp_mst_encoder; 1642 1643 struct intel_dp_compliance_data { 1644 unsigned long edid; 1645 u8 video_pattern; 1646 u16 hdisplay, vdisplay; 1647 u8 bpc; 1648 struct drm_dp_phy_test_params phytest; 1649 }; 1650 1651 struct intel_dp_compliance { 1652 unsigned long test_type; 1653 struct intel_dp_compliance_data test_data; 1654 bool test_active; 1655 int test_link_rate; 1656 u8 test_lane_count; 1657 }; 1658 1659 struct intel_dp_pcon_frl { 1660 bool is_trained; 1661 int trained_rate_gbps; 1662 }; 1663 1664 struct intel_pps { 1665 int panel_power_up_delay; 1666 int panel_power_down_delay; 1667 int panel_power_cycle_delay; 1668 int backlight_on_delay; 1669 int backlight_off_delay; 1670 struct delayed_work panel_vdd_work; 1671 bool want_panel_vdd; 1672 bool initializing; 1673 unsigned long last_power_on; 1674 unsigned long last_backlight_off; 1675 ktime_t panel_power_off_time; 1676 intel_wakeref_t vdd_wakeref; 1677 1678 union { 1679 /* 1680 * Pipe whose power sequencer is currently locked into 1681 * this port. Only relevant on VLV/CHV. 1682 */ 1683 enum pipe pps_pipe; 1684 1685 /* 1686 * Power sequencer index. Only relevant on BXT+. 1687 */ 1688 int pps_idx; 1689 }; 1690 1691 /* 1692 * Pipe currently driving the port. Used for preventing 1693 * the use of the PPS for any pipe currentrly driving 1694 * external DP as that will mess things up on VLV. 1695 */ 1696 enum pipe active_pipe; 1697 /* 1698 * Set if the sequencer may be reset due to a power transition, 1699 * requiring a reinitialization. Only relevant on BXT+. 1700 */ 1701 bool pps_reset; 1702 struct edp_power_seq pps_delays; 1703 struct edp_power_seq bios_pps_delays; 1704 }; 1705 1706 struct intel_psr { 1707 /* Mutex for PSR state of the transcoder */ 1708 struct mutex lock; 1709 1710 #define I915_PSR_DEBUG_MODE_MASK 0x0f 1711 #define I915_PSR_DEBUG_DEFAULT 0x00 1712 #define I915_PSR_DEBUG_DISABLE 0x01 1713 #define I915_PSR_DEBUG_ENABLE 0x02 1714 #define I915_PSR_DEBUG_FORCE_PSR1 0x03 1715 #define I915_PSR_DEBUG_ENABLE_SEL_FETCH 0x4 1716 #define I915_PSR_DEBUG_IRQ 0x10 1717 #define I915_PSR_DEBUG_SU_REGION_ET_DISABLE 0x20 1718 1719 u32 debug; 1720 bool sink_support; 1721 bool source_support; 1722 bool enabled; 1723 bool paused; 1724 enum pipe pipe; 1725 enum transcoder transcoder; 1726 bool active; 1727 struct work_struct work; 1728 unsigned int busy_frontbuffer_bits; 1729 bool sink_psr2_support; 1730 bool link_standby; 1731 bool psr2_enabled; 1732 bool psr2_sel_fetch_enabled; 1733 bool psr2_sel_fetch_cff_enabled; 1734 bool req_psr2_sdp_prior_scanline; 1735 u8 sink_sync_latency; 1736 1737 struct { 1738 u8 io_wake_lines; 1739 u8 fast_wake_lines; 1740 1741 /* LNL and beyond */ 1742 u8 check_entry_lines; 1743 } alpm_parameters; 1744 1745 ktime_t last_entry_attempt; 1746 ktime_t last_exit; 1747 bool sink_not_reliable; 1748 bool irq_aux_error; 1749 u16 su_w_granularity; 1750 u16 su_y_granularity; 1751 bool source_panel_replay_support; 1752 bool sink_panel_replay_support; 1753 bool panel_replay_enabled; 1754 u32 dc3co_exitline; 1755 u32 dc3co_exit_delay; 1756 struct delayed_work dc3co_work; 1757 u8 entry_setup_frames; 1758 }; 1759 1760 struct intel_dp { 1761 i915_reg_t output_reg; 1762 u32 DP; 1763 int link_rate; 1764 u8 lane_count; 1765 u8 sink_count; 1766 bool link_trained; 1767 bool reset_link_params; 1768 bool use_max_params; 1769 u8 dpcd[DP_RECEIVER_CAP_SIZE]; 1770 u8 psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE]; 1771 u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; 1772 u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE]; 1773 u8 lttpr_common_caps[DP_LTTPR_COMMON_CAP_SIZE]; 1774 u8 lttpr_phy_caps[DP_MAX_LTTPR_COUNT][DP_LTTPR_PHY_CAP_SIZE]; 1775 u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]; 1776 /* source rates */ 1777 int num_source_rates; 1778 const int *source_rates; 1779 /* sink rates as reported by DP_MAX_LINK_RATE/DP_SUPPORTED_LINK_RATES */ 1780 int num_sink_rates; 1781 int sink_rates[DP_MAX_SUPPORTED_RATES]; 1782 bool use_rate_select; 1783 /* Max sink lane count as reported by DP_MAX_LANE_COUNT */ 1784 int max_sink_lane_count; 1785 /* intersection of source and sink rates */ 1786 int num_common_rates; 1787 int common_rates[DP_MAX_SUPPORTED_RATES]; 1788 /* Max lane count for the current link */ 1789 int max_link_lane_count; 1790 /* Max rate for the current link */ 1791 int max_link_rate; 1792 int mso_link_count; 1793 int mso_pixel_overlap; 1794 /* sink or branch descriptor */ 1795 struct drm_dp_desc desc; 1796 struct drm_dp_aux aux; 1797 u32 aux_busy_last_status; 1798 u8 train_set[4]; 1799 1800 struct intel_pps pps; 1801 1802 bool is_mst; 1803 int active_mst_links; 1804 1805 /* connector directly attached - won't be use for modeset in mst world */ 1806 struct intel_connector *attached_connector; 1807 1808 struct drm_dp_tunnel *tunnel; 1809 bool tunnel_suspended:1; 1810 1811 /* mst connector list */ 1812 struct intel_dp_mst_encoder *mst_encoders[I915_MAX_PIPES]; 1813 struct drm_dp_mst_topology_mgr mst_mgr; 1814 1815 u32 (*get_aux_clock_divider)(struct intel_dp *dp, int index); 1816 /* 1817 * This function returns the value we have to program the AUX_CTL 1818 * register with to kick off an AUX transaction. 1819 */ 1820 u32 (*get_aux_send_ctl)(struct intel_dp *dp, int send_bytes, 1821 u32 aux_clock_divider); 1822 1823 i915_reg_t (*aux_ch_ctl_reg)(struct intel_dp *dp); 1824 i915_reg_t (*aux_ch_data_reg)(struct intel_dp *dp, int index); 1825 1826 /* This is called before a link training is starterd */ 1827 void (*prepare_link_retrain)(struct intel_dp *intel_dp, 1828 const struct intel_crtc_state *crtc_state); 1829 void (*set_link_train)(struct intel_dp *intel_dp, 1830 const struct intel_crtc_state *crtc_state, 1831 u8 dp_train_pat); 1832 void (*set_idle_link_train)(struct intel_dp *intel_dp, 1833 const struct intel_crtc_state *crtc_state); 1834 1835 u8 (*preemph_max)(struct intel_dp *intel_dp); 1836 u8 (*voltage_max)(struct intel_dp *intel_dp, 1837 const struct intel_crtc_state *crtc_state); 1838 1839 /* Displayport compliance testing */ 1840 struct intel_dp_compliance compliance; 1841 1842 /* Downstream facing port caps */ 1843 struct { 1844 int min_tmds_clock, max_tmds_clock; 1845 int max_dotclock; 1846 int pcon_max_frl_bw; 1847 u8 max_bpc; 1848 bool ycbcr_444_to_420; 1849 bool ycbcr420_passthrough; 1850 bool rgb_to_ycbcr; 1851 } dfp; 1852 1853 /* To control wakeup latency, e.g. for irq-driven dp aux transfers. */ 1854 struct pm_qos_request pm_qos; 1855 1856 /* Display stream compression testing */ 1857 bool force_dsc_en; 1858 int force_dsc_output_format; 1859 bool force_dsc_fractional_bpp_en; 1860 int force_dsc_bpc; 1861 1862 bool hobl_failed; 1863 bool hobl_active; 1864 1865 struct intel_dp_pcon_frl frl; 1866 1867 struct intel_psr psr; 1868 1869 /* When we last wrote the OUI for eDP */ 1870 unsigned long last_oui_write; 1871 1872 bool colorimetry_support; 1873 }; 1874 1875 enum lspcon_vendor { 1876 LSPCON_VENDOR_MCA, 1877 LSPCON_VENDOR_PARADE 1878 }; 1879 1880 struct intel_lspcon { 1881 bool active; 1882 bool hdr_supported; 1883 enum drm_lspcon_mode mode; 1884 enum lspcon_vendor vendor; 1885 }; 1886 1887 struct intel_digital_port { 1888 struct intel_encoder base; 1889 u32 saved_port_bits; 1890 struct intel_dp dp; 1891 struct intel_hdmi hdmi; 1892 struct intel_lspcon lspcon; 1893 enum irqreturn (*hpd_pulse)(struct intel_digital_port *, bool); 1894 bool release_cl2_override; 1895 u8 max_lanes; 1896 /* Used for DP and ICL+ TypeC/DP and TypeC/HDMI ports. */ 1897 enum aux_ch aux_ch; 1898 enum intel_display_power_domain ddi_io_power_domain; 1899 intel_wakeref_t ddi_io_wakeref; 1900 intel_wakeref_t aux_wakeref; 1901 1902 struct intel_tc_port *tc; 1903 1904 /* protects num_hdcp_streams reference count, hdcp_port_data and hdcp_auth_status */ 1905 struct mutex hdcp_mutex; 1906 /* the number of pipes using HDCP signalling out of this port */ 1907 unsigned int num_hdcp_streams; 1908 /* port HDCP auth status */ 1909 bool hdcp_auth_status; 1910 /* HDCP port data need to pass to security f/w */ 1911 struct hdcp_port_data hdcp_port_data; 1912 /* Whether the MST topology supports HDCP Type 1 Content */ 1913 bool hdcp_mst_type1_capable; 1914 1915 void (*write_infoframe)(struct intel_encoder *encoder, 1916 const struct intel_crtc_state *crtc_state, 1917 unsigned int type, 1918 const void *frame, ssize_t len); 1919 void (*read_infoframe)(struct intel_encoder *encoder, 1920 const struct intel_crtc_state *crtc_state, 1921 unsigned int type, 1922 void *frame, ssize_t len); 1923 void (*set_infoframes)(struct intel_encoder *encoder, 1924 bool enable, 1925 const struct intel_crtc_state *crtc_state, 1926 const struct drm_connector_state *conn_state); 1927 u32 (*infoframes_enabled)(struct intel_encoder *encoder, 1928 const struct intel_crtc_state *pipe_config); 1929 bool (*connected)(struct intel_encoder *encoder); 1930 1931 void (*lock)(struct intel_digital_port *dig_port); 1932 void (*unlock)(struct intel_digital_port *dig_port); 1933 }; 1934 1935 struct intel_dp_mst_encoder { 1936 struct intel_encoder base; 1937 enum pipe pipe; 1938 struct intel_digital_port *primary; 1939 struct intel_connector *connector; 1940 }; 1941 1942 static inline struct intel_encoder * 1943 intel_attached_encoder(struct intel_connector *connector) 1944 { 1945 return connector->encoder; 1946 } 1947 1948 static inline bool intel_encoder_is_dig_port(struct intel_encoder *encoder) 1949 { 1950 switch (encoder->type) { 1951 case INTEL_OUTPUT_DDI: 1952 case INTEL_OUTPUT_DP: 1953 case INTEL_OUTPUT_EDP: 1954 case INTEL_OUTPUT_HDMI: 1955 return true; 1956 default: 1957 return false; 1958 } 1959 } 1960 1961 static inline bool intel_encoder_is_mst(struct intel_encoder *encoder) 1962 { 1963 return encoder->type == INTEL_OUTPUT_DP_MST; 1964 } 1965 1966 static inline struct intel_dp_mst_encoder * 1967 enc_to_mst(struct intel_encoder *encoder) 1968 { 1969 return container_of(&encoder->base, struct intel_dp_mst_encoder, 1970 base.base); 1971 } 1972 1973 static inline struct intel_digital_port * 1974 enc_to_dig_port(struct intel_encoder *encoder) 1975 { 1976 struct intel_encoder *intel_encoder = encoder; 1977 1978 if (intel_encoder_is_dig_port(intel_encoder)) 1979 return container_of(&encoder->base, struct intel_digital_port, 1980 base.base); 1981 else if (intel_encoder_is_mst(intel_encoder)) 1982 return enc_to_mst(encoder)->primary; 1983 else 1984 return NULL; 1985 } 1986 1987 static inline struct intel_digital_port * 1988 intel_attached_dig_port(struct intel_connector *connector) 1989 { 1990 return enc_to_dig_port(intel_attached_encoder(connector)); 1991 } 1992 1993 static inline struct intel_hdmi * 1994 enc_to_intel_hdmi(struct intel_encoder *encoder) 1995 { 1996 return &enc_to_dig_port(encoder)->hdmi; 1997 } 1998 1999 static inline struct intel_hdmi * 2000 intel_attached_hdmi(struct intel_connector *connector) 2001 { 2002 return enc_to_intel_hdmi(intel_attached_encoder(connector)); 2003 } 2004 2005 static inline struct intel_dp *enc_to_intel_dp(struct intel_encoder *encoder) 2006 { 2007 return &enc_to_dig_port(encoder)->dp; 2008 } 2009 2010 static inline struct intel_dp *intel_attached_dp(struct intel_connector *connector) 2011 { 2012 return enc_to_intel_dp(intel_attached_encoder(connector)); 2013 } 2014 2015 static inline bool intel_encoder_is_dp(struct intel_encoder *encoder) 2016 { 2017 switch (encoder->type) { 2018 case INTEL_OUTPUT_DP: 2019 case INTEL_OUTPUT_EDP: 2020 return true; 2021 case INTEL_OUTPUT_DDI: 2022 /* Skip pure HDMI/DVI DDI encoders */ 2023 return i915_mmio_reg_valid(enc_to_intel_dp(encoder)->output_reg); 2024 default: 2025 return false; 2026 } 2027 } 2028 2029 static inline struct intel_lspcon * 2030 enc_to_intel_lspcon(struct intel_encoder *encoder) 2031 { 2032 return &enc_to_dig_port(encoder)->lspcon; 2033 } 2034 2035 static inline struct intel_digital_port * 2036 dp_to_dig_port(struct intel_dp *intel_dp) 2037 { 2038 return container_of(intel_dp, struct intel_digital_port, dp); 2039 } 2040 2041 static inline struct intel_lspcon * 2042 dp_to_lspcon(struct intel_dp *intel_dp) 2043 { 2044 return &dp_to_dig_port(intel_dp)->lspcon; 2045 } 2046 2047 #define dp_to_i915(__intel_dp) to_i915(dp_to_dig_port(__intel_dp)->base.base.dev) 2048 2049 static inline struct intel_digital_port * 2050 hdmi_to_dig_port(struct intel_hdmi *intel_hdmi) 2051 { 2052 return container_of(intel_hdmi, struct intel_digital_port, hdmi); 2053 } 2054 2055 static inline struct intel_plane_state * 2056 intel_atomic_get_plane_state(struct intel_atomic_state *state, 2057 struct intel_plane *plane) 2058 { 2059 struct drm_plane_state *ret = 2060 drm_atomic_get_plane_state(&state->base, &plane->base); 2061 2062 if (IS_ERR(ret)) 2063 return ERR_CAST(ret); 2064 2065 return to_intel_plane_state(ret); 2066 } 2067 2068 static inline struct intel_plane_state * 2069 intel_atomic_get_old_plane_state(struct intel_atomic_state *state, 2070 struct intel_plane *plane) 2071 { 2072 return to_intel_plane_state(drm_atomic_get_old_plane_state(&state->base, 2073 &plane->base)); 2074 } 2075 2076 static inline struct intel_plane_state * 2077 intel_atomic_get_new_plane_state(struct intel_atomic_state *state, 2078 struct intel_plane *plane) 2079 { 2080 return to_intel_plane_state(drm_atomic_get_new_plane_state(&state->base, 2081 &plane->base)); 2082 } 2083 2084 static inline struct intel_crtc_state * 2085 intel_atomic_get_old_crtc_state(struct intel_atomic_state *state, 2086 struct intel_crtc *crtc) 2087 { 2088 return to_intel_crtc_state(drm_atomic_get_old_crtc_state(&state->base, 2089 &crtc->base)); 2090 } 2091 2092 static inline struct intel_crtc_state * 2093 intel_atomic_get_new_crtc_state(struct intel_atomic_state *state, 2094 struct intel_crtc *crtc) 2095 { 2096 return to_intel_crtc_state(drm_atomic_get_new_crtc_state(&state->base, 2097 &crtc->base)); 2098 } 2099 2100 static inline struct intel_digital_connector_state * 2101 intel_atomic_get_new_connector_state(struct intel_atomic_state *state, 2102 struct intel_connector *connector) 2103 { 2104 return to_intel_digital_connector_state( 2105 drm_atomic_get_new_connector_state(&state->base, 2106 &connector->base)); 2107 } 2108 2109 static inline struct intel_digital_connector_state * 2110 intel_atomic_get_old_connector_state(struct intel_atomic_state *state, 2111 struct intel_connector *connector) 2112 { 2113 return to_intel_digital_connector_state( 2114 drm_atomic_get_old_connector_state(&state->base, 2115 &connector->base)); 2116 } 2117 2118 /* intel_display.c */ 2119 static inline bool 2120 intel_crtc_has_type(const struct intel_crtc_state *crtc_state, 2121 enum intel_output_type type) 2122 { 2123 return crtc_state->output_types & BIT(type); 2124 } 2125 2126 static inline bool 2127 intel_crtc_has_dp_encoder(const struct intel_crtc_state *crtc_state) 2128 { 2129 return crtc_state->output_types & 2130 (BIT(INTEL_OUTPUT_DP) | 2131 BIT(INTEL_OUTPUT_DP_MST) | 2132 BIT(INTEL_OUTPUT_EDP)); 2133 } 2134 2135 static inline bool 2136 intel_crtc_needs_modeset(const struct intel_crtc_state *crtc_state) 2137 { 2138 return drm_atomic_crtc_needs_modeset(&crtc_state->uapi); 2139 } 2140 2141 static inline bool 2142 intel_crtc_needs_fastset(const struct intel_crtc_state *crtc_state) 2143 { 2144 return crtc_state->update_pipe; 2145 } 2146 2147 static inline bool 2148 intel_crtc_needs_color_update(const struct intel_crtc_state *crtc_state) 2149 { 2150 return crtc_state->uapi.color_mgmt_changed || 2151 intel_crtc_needs_fastset(crtc_state) || 2152 intel_crtc_needs_modeset(crtc_state); 2153 } 2154 2155 static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *plane_state) 2156 { 2157 return i915_ggtt_offset(plane_state->ggtt_vma); 2158 } 2159 2160 static inline struct intel_frontbuffer * 2161 to_intel_frontbuffer(struct drm_framebuffer *fb) 2162 { 2163 return fb ? to_intel_framebuffer(fb)->frontbuffer : NULL; 2164 } 2165 2166 static inline int to_bpp_int(int bpp_x16) 2167 { 2168 return bpp_x16 >> 4; 2169 } 2170 2171 static inline int to_bpp_frac(int bpp_x16) 2172 { 2173 return bpp_x16 & 0xf; 2174 } 2175 2176 #define BPP_X16_FMT "%d.%04d" 2177 #define BPP_X16_ARGS(bpp_x16) to_bpp_int(bpp_x16), (to_bpp_frac(bpp_x16) * 625) 2178 2179 static inline int to_bpp_int_roundup(int bpp_x16) 2180 { 2181 return (bpp_x16 + 0xf) >> 4; 2182 } 2183 2184 static inline int to_bpp_x16(int bpp) 2185 { 2186 return bpp << 4; 2187 } 2188 2189 #endif /* __INTEL_DISPLAY_TYPES_H__ */ 2190