1 /* 2 * Copyright (C) 2015-2020 Advanced Micro Devices, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #ifndef __AMDGPU_DM_H__ 27 #define __AMDGPU_DM_H__ 28 29 #include <drm/display/drm_dp_mst_helper.h> 30 #include <drm/drm_atomic.h> 31 #include <drm/drm_connector.h> 32 #include <drm/drm_crtc.h> 33 #include <drm/drm_plane.h> 34 #include "link_service_types.h" 35 #include <drm/drm_writeback.h> 36 37 /* 38 * This file contains the definition for amdgpu_display_manager 39 * and its API for amdgpu driver's use. 40 * This component provides all the display related functionality 41 * and this is the only component that calls DAL API. 42 * The API contained here intended for amdgpu driver use. 43 * The API that is called directly from KMS framework is located 44 * in amdgpu_dm_kms.h file 45 */ 46 47 #define AMDGPU_DM_MAX_DISPLAY_INDEX 31 48 49 #define AMDGPU_DM_MAX_CRTC 6 50 51 #define AMDGPU_DM_MAX_NUM_EDP 2 52 53 #define AMDGPU_DMUB_NOTIFICATION_MAX 5 54 55 #define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID 0x00001A 56 #define AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE 0x40 57 #define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_VERSION_3 0x3 58 59 #define AMDGPU_HDR_MULT_DEFAULT (0x100000000LL) 60 61 /* 62 #include "include/amdgpu_dal_power_if.h" 63 #include "amdgpu_dm_irq.h" 64 */ 65 66 #include "irq_types.h" 67 #include "signal_types.h" 68 #include "amdgpu_dm_crc.h" 69 #include "mod_info_packet.h" 70 struct aux_payload; 71 struct set_config_cmd_payload; 72 enum aux_return_code_type; 73 enum set_config_status; 74 75 /* Forward declarations */ 76 struct amdgpu_device; 77 struct amdgpu_crtc; 78 struct drm_device; 79 struct dc; 80 struct amdgpu_bo; 81 struct dmub_srv; 82 struct dc_plane_state; 83 struct dmub_notification; 84 85 struct amd_vsdb_block { 86 unsigned char ieee_id[3]; 87 unsigned char version; 88 unsigned char feature_caps; 89 }; 90 91 struct common_irq_params { 92 struct amdgpu_device *adev; 93 enum dc_irq_source irq_src; 94 atomic64_t previous_timestamp; 95 }; 96 97 /** 98 * struct dm_compressor_info - Buffer info used by frame buffer compression 99 * @cpu_addr: MMIO cpu addr 100 * @bo_ptr: Pointer to the buffer object 101 * @gpu_addr: MMIO gpu addr 102 */ 103 struct dm_compressor_info { 104 void *cpu_addr; 105 struct amdgpu_bo *bo_ptr; 106 uint64_t gpu_addr; 107 }; 108 109 typedef void (*dmub_notify_interrupt_callback_t)(struct amdgpu_device *adev, struct dmub_notification *notify); 110 111 /** 112 * struct dmub_hpd_work - Handle time consuming work in low priority outbox IRQ 113 * 114 * @handle_hpd_work: Work to be executed in a separate thread to handle hpd_low_irq 115 * @dmub_notify: notification for callback function 116 * @adev: amdgpu_device pointer 117 */ 118 struct dmub_hpd_work { 119 struct work_struct handle_hpd_work; 120 struct dmub_notification *dmub_notify; 121 struct amdgpu_device *adev; 122 }; 123 124 /** 125 * struct vblank_control_work - Work data for vblank control 126 * @work: Kernel work data for the work event 127 * @dm: amdgpu display manager device 128 * @acrtc: amdgpu CRTC instance for which the event has occurred 129 * @stream: DC stream for which the event has occurred 130 * @enable: true if enabling vblank 131 */ 132 struct vblank_control_work { 133 struct work_struct work; 134 struct amdgpu_display_manager *dm; 135 struct amdgpu_crtc *acrtc; 136 struct dc_stream_state *stream; 137 bool enable; 138 }; 139 140 /** 141 * struct amdgpu_dm_backlight_caps - Information about backlight 142 * 143 * Describe the backlight support for ACPI or eDP AUX. 144 */ 145 struct amdgpu_dm_backlight_caps { 146 /** 147 * @ext_caps: Keep the data struct with all the information about the 148 * display support for HDR. 149 */ 150 union dpcd_sink_ext_caps *ext_caps; 151 /** 152 * @aux_min_input_signal: Min brightness value supported by the display 153 */ 154 u32 aux_min_input_signal; 155 /** 156 * @aux_max_input_signal: Max brightness value supported by the display 157 * in nits. 158 */ 159 u32 aux_max_input_signal; 160 /** 161 * @min_input_signal: minimum possible input in range 0-255. 162 */ 163 int min_input_signal; 164 /** 165 * @max_input_signal: maximum possible input in range 0-255. 166 */ 167 int max_input_signal; 168 /** 169 * @caps_valid: true if these values are from the ACPI interface. 170 */ 171 bool caps_valid; 172 /** 173 * @aux_support: Describes if the display supports AUX backlight. 174 */ 175 bool aux_support; 176 }; 177 178 /** 179 * struct dal_allocation - Tracks mapped FB memory for SMU communication 180 * @list: list of dal allocations 181 * @bo: GPU buffer object 182 * @cpu_ptr: CPU virtual address of the GPU buffer object 183 * @gpu_addr: GPU virtual address of the GPU buffer object 184 */ 185 struct dal_allocation { 186 struct list_head list; 187 struct amdgpu_bo *bo; 188 void *cpu_ptr; 189 u64 gpu_addr; 190 }; 191 192 /** 193 * struct hpd_rx_irq_offload_work_queue - Work queue to handle hpd_rx_irq 194 * offload work 195 */ 196 struct hpd_rx_irq_offload_work_queue { 197 /** 198 * @wq: workqueue structure to queue offload work. 199 */ 200 struct workqueue_struct *wq; 201 /** 202 * @offload_lock: To protect fields of offload work queue. 203 */ 204 spinlock_t offload_lock; 205 /** 206 * @is_handling_link_loss: Used to prevent inserting link loss event when 207 * we're handling link loss 208 */ 209 bool is_handling_link_loss; 210 /** 211 * @is_handling_mst_msg_rdy_event: Used to prevent inserting mst message 212 * ready event when we're already handling mst message ready event 213 */ 214 bool is_handling_mst_msg_rdy_event; 215 /** 216 * @aconnector: The aconnector that this work queue is attached to 217 */ 218 struct amdgpu_dm_connector *aconnector; 219 }; 220 221 /** 222 * struct hpd_rx_irq_offload_work - hpd_rx_irq offload work structure 223 */ 224 struct hpd_rx_irq_offload_work { 225 /** 226 * @work: offload work 227 */ 228 struct work_struct work; 229 /** 230 * @data: reference irq data which is used while handling offload work 231 */ 232 union hpd_irq_data data; 233 /** 234 * @offload_wq: offload work queue that this work is queued to 235 */ 236 struct hpd_rx_irq_offload_work_queue *offload_wq; 237 }; 238 239 /** 240 * struct amdgpu_display_manager - Central amdgpu display manager device 241 * 242 * @dc: Display Core control structure 243 * @adev: AMDGPU base driver structure 244 * @ddev: DRM base driver structure 245 * @display_indexes_num: Max number of display streams supported 246 * @irq_handler_list_table_lock: Synchronizes access to IRQ tables 247 * @backlight_dev: Backlight control device 248 * @backlight_link: Link on which to control backlight 249 * @backlight_caps: Capabilities of the backlight device 250 * @freesync_module: Module handling freesync calculations 251 * @hdcp_workqueue: AMDGPU content protection queue 252 * @fw_dmcu: Reference to DMCU firmware 253 * @dmcu_fw_version: Version of the DMCU firmware 254 * @soc_bounding_box: SOC bounding box values provided by gpu_info FW 255 * @cached_state: Caches device atomic state for suspend/resume 256 * @cached_dc_state: Cached state of content streams 257 * @compressor: Frame buffer compression buffer. See &struct dm_compressor_info 258 * @force_timing_sync: set via debugfs. When set, indicates that all connected 259 * displays will be forced to synchronize. 260 * @dmcub_trace_event_en: enable dmcub trace events 261 * @dmub_outbox_params: DMUB Outbox parameters 262 * @num_of_edps: number of backlight eDPs 263 * @disable_hpd_irq: disables all HPD and HPD RX interrupt handling in the 264 * driver when true 265 * @dmub_aux_transfer_done: struct completion used to indicate when DMUB 266 * transfers are done 267 * @delayed_hpd_wq: work queue used to delay DMUB HPD work 268 */ 269 struct amdgpu_display_manager { 270 271 struct dc *dc; 272 273 /** 274 * @dmub_srv: 275 * 276 * DMUB service, used for controlling the DMUB on hardware 277 * that supports it. The pointer to the dmub_srv will be 278 * NULL on hardware that does not support it. 279 */ 280 struct dmub_srv *dmub_srv; 281 282 /** 283 * @dmub_notify: 284 * 285 * Notification from DMUB. 286 */ 287 288 struct dmub_notification *dmub_notify; 289 290 /** 291 * @dmub_callback: 292 * 293 * Callback functions to handle notification from DMUB. 294 */ 295 296 dmub_notify_interrupt_callback_t dmub_callback[AMDGPU_DMUB_NOTIFICATION_MAX]; 297 298 /** 299 * @dmub_thread_offload: 300 * 301 * Flag to indicate if callback is offload. 302 */ 303 304 bool dmub_thread_offload[AMDGPU_DMUB_NOTIFICATION_MAX]; 305 306 /** 307 * @dmub_fb_info: 308 * 309 * Framebuffer regions for the DMUB. 310 */ 311 struct dmub_srv_fb_info *dmub_fb_info; 312 313 /** 314 * @dmub_fw: 315 * 316 * DMUB firmware, required on hardware that has DMUB support. 317 */ 318 const struct firmware *dmub_fw; 319 320 /** 321 * @dmub_bo: 322 * 323 * Buffer object for the DMUB. 324 */ 325 struct amdgpu_bo *dmub_bo; 326 327 /** 328 * @dmub_bo_gpu_addr: 329 * 330 * GPU virtual address for the DMUB buffer object. 331 */ 332 u64 dmub_bo_gpu_addr; 333 334 /** 335 * @dmub_bo_cpu_addr: 336 * 337 * CPU address for the DMUB buffer object. 338 */ 339 void *dmub_bo_cpu_addr; 340 341 /** 342 * @dmcub_fw_version: 343 * 344 * DMCUB firmware version. 345 */ 346 uint32_t dmcub_fw_version; 347 348 /** 349 * @cgs_device: 350 * 351 * The Common Graphics Services device. It provides an interface for 352 * accessing registers. 353 */ 354 struct cgs_device *cgs_device; 355 356 struct amdgpu_device *adev; 357 struct drm_device *ddev; 358 u16 display_indexes_num; 359 360 /** 361 * @atomic_obj: 362 * 363 * In combination with &dm_atomic_state it helps manage 364 * global atomic state that doesn't map cleanly into existing 365 * drm resources, like &dc_context. 366 */ 367 struct drm_private_obj atomic_obj; 368 369 /** 370 * @dc_lock: 371 * 372 * Guards access to DC functions that can issue register write 373 * sequences. 374 */ 375 struct mutex dc_lock; 376 377 /** 378 * @audio_lock: 379 * 380 * Guards access to audio instance changes. 381 */ 382 struct mutex audio_lock; 383 384 /** 385 * @audio_component: 386 * 387 * Used to notify ELD changes to sound driver. 388 */ 389 struct drm_audio_component *audio_component; 390 391 /** 392 * @audio_registered: 393 * 394 * True if the audio component has been registered 395 * successfully, false otherwise. 396 */ 397 bool audio_registered; 398 399 /** 400 * @irq_handler_list_low_tab: 401 * 402 * Low priority IRQ handler table. 403 * 404 * It is a n*m table consisting of n IRQ sources, and m handlers per IRQ 405 * source. Low priority IRQ handlers are deferred to a workqueue to be 406 * processed. Hence, they can sleep. 407 * 408 * Note that handlers are called in the same order as they were 409 * registered (FIFO). 410 */ 411 struct list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER]; 412 413 /** 414 * @irq_handler_list_high_tab: 415 * 416 * High priority IRQ handler table. 417 * 418 * It is a n*m table, same as &irq_handler_list_low_tab. However, 419 * handlers in this table are not deferred and are called immediately. 420 */ 421 struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER]; 422 423 /** 424 * @pflip_params: 425 * 426 * Page flip IRQ parameters, passed to registered handlers when 427 * triggered. 428 */ 429 struct common_irq_params 430 pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1]; 431 432 /** 433 * @vblank_params: 434 * 435 * Vertical blanking IRQ parameters, passed to registered handlers when 436 * triggered. 437 */ 438 struct common_irq_params 439 vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1]; 440 441 /** 442 * @vline0_params: 443 * 444 * OTG vertical interrupt0 IRQ parameters, passed to registered 445 * handlers when triggered. 446 */ 447 struct common_irq_params 448 vline0_params[DC_IRQ_SOURCE_DC6_VLINE0 - DC_IRQ_SOURCE_DC1_VLINE0 + 1]; 449 450 /** 451 * @vupdate_params: 452 * 453 * Vertical update IRQ parameters, passed to registered handlers when 454 * triggered. 455 */ 456 struct common_irq_params 457 vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1]; 458 459 /** 460 * @dmub_trace_params: 461 * 462 * DMUB trace event IRQ parameters, passed to registered handlers when 463 * triggered. 464 */ 465 struct common_irq_params 466 dmub_trace_params[1]; 467 468 struct common_irq_params 469 dmub_outbox_params[1]; 470 471 spinlock_t irq_handler_list_table_lock; 472 473 struct backlight_device *backlight_dev[AMDGPU_DM_MAX_NUM_EDP]; 474 475 const struct dc_link *backlight_link[AMDGPU_DM_MAX_NUM_EDP]; 476 477 uint8_t num_of_edps; 478 479 struct amdgpu_dm_backlight_caps backlight_caps[AMDGPU_DM_MAX_NUM_EDP]; 480 481 struct mod_freesync *freesync_module; 482 struct hdcp_workqueue *hdcp_workqueue; 483 484 /** 485 * @vblank_control_workqueue: 486 * 487 * Deferred work for vblank control events. 488 */ 489 struct workqueue_struct *vblank_control_workqueue; 490 491 struct drm_atomic_state *cached_state; 492 struct dc_state *cached_dc_state; 493 494 struct dm_compressor_info compressor; 495 496 const struct firmware *fw_dmcu; 497 uint32_t dmcu_fw_version; 498 /** 499 * @soc_bounding_box: 500 * 501 * gpu_info FW provided soc bounding box struct or 0 if not 502 * available in FW 503 */ 504 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box; 505 506 /** 507 * @active_vblank_irq_count: 508 * 509 * number of currently active vblank irqs 510 */ 511 uint32_t active_vblank_irq_count; 512 513 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 514 /** 515 * @secure_display_ctxs: 516 * 517 * Store the ROI information and the work_struct to command dmub and psp for 518 * all crtcs. 519 */ 520 struct secure_display_context *secure_display_ctxs; 521 #endif 522 /** 523 * @hpd_rx_offload_wq: 524 * 525 * Work queue to offload works of hpd_rx_irq 526 */ 527 struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq; 528 /** 529 * @mst_encoders: 530 * 531 * fake encoders used for DP MST. 532 */ 533 struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC]; 534 bool force_timing_sync; 535 bool disable_hpd_irq; 536 bool dmcub_trace_event_en; 537 /** 538 * @da_list: 539 * 540 * DAL fb memory allocation list, for communication with SMU. 541 */ 542 struct list_head da_list; 543 struct completion dmub_aux_transfer_done; 544 struct workqueue_struct *delayed_hpd_wq; 545 546 /** 547 * @brightness: 548 * 549 * cached backlight values. 550 */ 551 u32 brightness[AMDGPU_DM_MAX_NUM_EDP]; 552 /** 553 * @actual_brightness: 554 * 555 * last successfully applied backlight values. 556 */ 557 u32 actual_brightness[AMDGPU_DM_MAX_NUM_EDP]; 558 559 /** 560 * @aux_hpd_discon_quirk: 561 * 562 * quirk for hpd discon while aux is on-going. 563 * occurred on certain intel platform 564 */ 565 bool aux_hpd_discon_quirk; 566 567 /** 568 * @dpia_aux_lock: 569 * 570 * Guards access to DPIA AUX 571 */ 572 struct mutex dpia_aux_lock; 573 }; 574 575 enum dsc_clock_force_state { 576 DSC_CLK_FORCE_DEFAULT = 0, 577 DSC_CLK_FORCE_ENABLE, 578 DSC_CLK_FORCE_DISABLE, 579 }; 580 581 struct dsc_preferred_settings { 582 enum dsc_clock_force_state dsc_force_enable; 583 uint32_t dsc_num_slices_v; 584 uint32_t dsc_num_slices_h; 585 uint32_t dsc_bits_per_pixel; 586 bool dsc_force_disable_passthrough; 587 }; 588 589 enum mst_progress_status { 590 MST_STATUS_DEFAULT = 0, 591 MST_PROBE = BIT(0), 592 MST_REMOTE_EDID = BIT(1), 593 MST_ALLOCATE_NEW_PAYLOAD = BIT(2), 594 MST_CLEAR_ALLOCATED_PAYLOAD = BIT(3), 595 }; 596 597 /** 598 * struct amdgpu_hdmi_vsdb_info - Keep track of the VSDB info 599 * 600 * AMDGPU supports FreeSync over HDMI by using the VSDB section, and this 601 * struct is useful to keep track of the display-specific information about 602 * FreeSync. 603 */ 604 struct amdgpu_hdmi_vsdb_info { 605 /** 606 * @amd_vsdb_version: Vendor Specific Data Block Version, should be 607 * used to determine which Vendor Specific InfoFrame (VSIF) to send. 608 */ 609 unsigned int amd_vsdb_version; 610 611 /** 612 * @freesync_supported: FreeSync Supported. 613 */ 614 bool freesync_supported; 615 616 /** 617 * @min_refresh_rate_hz: FreeSync Minimum Refresh Rate in Hz. 618 */ 619 unsigned int min_refresh_rate_hz; 620 621 /** 622 * @max_refresh_rate_hz: FreeSync Maximum Refresh Rate in Hz 623 */ 624 unsigned int max_refresh_rate_hz; 625 626 /** 627 * @replay_mode: Replay supported 628 */ 629 bool replay_mode; 630 }; 631 632 struct amdgpu_dm_connector { 633 634 struct drm_connector base; 635 uint32_t connector_id; 636 int bl_idx; 637 638 /* we need to mind the EDID between detect 639 and get modes due to analog/digital/tvencoder */ 640 struct edid *edid; 641 642 /* shared with amdgpu */ 643 struct amdgpu_hpd hpd; 644 645 /* number of modes generated from EDID at 'dc_sink' */ 646 int num_modes; 647 648 /* The 'old' sink - before an HPD. 649 * The 'current' sink is in dc_link->sink. */ 650 struct dc_sink *dc_sink; 651 struct dc_link *dc_link; 652 653 /** 654 * @dc_em_sink: Reference to the emulated (virtual) sink. 655 */ 656 struct dc_sink *dc_em_sink; 657 658 /* DM only */ 659 struct drm_dp_mst_topology_mgr mst_mgr; 660 struct amdgpu_dm_dp_aux dm_dp_aux; 661 struct drm_dp_mst_port *mst_output_port; 662 struct amdgpu_dm_connector *mst_root; 663 struct drm_dp_aux *dsc_aux; 664 struct mutex handle_mst_msg_ready; 665 666 /* TODO see if we can merge with ddc_bus or make a dm_connector */ 667 struct amdgpu_i2c_adapter *i2c; 668 669 /* Monitor range limits */ 670 /** 671 * @min_vfreq: Minimal frequency supported by the display in Hz. This 672 * value is set to zero when there is no FreeSync support. 673 */ 674 int min_vfreq; 675 676 /** 677 * @max_vfreq: Maximum frequency supported by the display in Hz. This 678 * value is set to zero when there is no FreeSync support. 679 */ 680 int max_vfreq ; 681 int pixel_clock_mhz; 682 683 /* Audio instance - protected by audio_lock. */ 684 int audio_inst; 685 686 struct mutex hpd_lock; 687 688 bool fake_enable; 689 bool force_yuv420_output; 690 struct dsc_preferred_settings dsc_settings; 691 union dp_downstream_port_present mst_downstream_port_present; 692 /* Cached display modes */ 693 struct drm_display_mode freesync_vid_base; 694 695 int psr_skip_count; 696 697 /* Record progress status of mst*/ 698 uint8_t mst_status; 699 700 /* Automated testing */ 701 bool timing_changed; 702 struct dc_crtc_timing *timing_requested; 703 704 /* Adaptive Sync */ 705 bool pack_sdp_v1_3; 706 enum adaptive_sync_type as_type; 707 struct amdgpu_hdmi_vsdb_info vsdb_info; 708 }; 709 710 static inline void amdgpu_dm_set_mst_status(uint8_t *status, 711 uint8_t flags, bool set) 712 { 713 if (set) 714 *status |= flags; 715 else 716 *status &= ~flags; 717 } 718 719 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base) 720 721 struct amdgpu_dm_wb_connector { 722 struct drm_writeback_connector base; 723 struct dc_link *link; 724 }; 725 726 #define to_amdgpu_dm_wb_connector(x) container_of(x, struct amdgpu_dm_wb_connector, base) 727 728 extern const struct amdgpu_ip_block_version dm_ip_block; 729 730 /* enum amdgpu_transfer_function: pre-defined transfer function supported by AMD. 731 * 732 * It includes standardized transfer functions and pure power functions. The 733 * transfer function coefficients are available at modules/color/color_gamma.c 734 */ 735 enum amdgpu_transfer_function { 736 AMDGPU_TRANSFER_FUNCTION_DEFAULT, 737 AMDGPU_TRANSFER_FUNCTION_SRGB_EOTF, 738 AMDGPU_TRANSFER_FUNCTION_BT709_INV_OETF, 739 AMDGPU_TRANSFER_FUNCTION_PQ_EOTF, 740 AMDGPU_TRANSFER_FUNCTION_IDENTITY, 741 AMDGPU_TRANSFER_FUNCTION_GAMMA22_EOTF, 742 AMDGPU_TRANSFER_FUNCTION_GAMMA24_EOTF, 743 AMDGPU_TRANSFER_FUNCTION_GAMMA26_EOTF, 744 AMDGPU_TRANSFER_FUNCTION_SRGB_INV_EOTF, 745 AMDGPU_TRANSFER_FUNCTION_BT709_OETF, 746 AMDGPU_TRANSFER_FUNCTION_PQ_INV_EOTF, 747 AMDGPU_TRANSFER_FUNCTION_GAMMA22_INV_EOTF, 748 AMDGPU_TRANSFER_FUNCTION_GAMMA24_INV_EOTF, 749 AMDGPU_TRANSFER_FUNCTION_GAMMA26_INV_EOTF, 750 AMDGPU_TRANSFER_FUNCTION_COUNT 751 }; 752 753 struct dm_plane_state { 754 struct drm_plane_state base; 755 struct dc_plane_state *dc_state; 756 757 /* Plane color mgmt */ 758 /** 759 * @degamma_lut: 760 * 761 * 1D LUT for mapping framebuffer/plane pixel data before sampling or 762 * blending operations. It's usually applied to linearize input space. 763 * The blob (if not NULL) is an array of &struct drm_color_lut. 764 */ 765 struct drm_property_blob *degamma_lut; 766 /** 767 * @degamma_tf: 768 * 769 * Predefined transfer function to tell DC driver the input space to 770 * linearize. 771 */ 772 enum amdgpu_transfer_function degamma_tf; 773 /** 774 * @hdr_mult: 775 * 776 * Multiplier to 'gain' the plane. When PQ is decoded using the fixed 777 * func transfer function to the internal FP16 fb, 1.0 -> 80 nits (on 778 * AMD at least). When sRGB is decoded, 1.0 -> 1.0, obviously. 779 * Therefore, 1.0 multiplier = 80 nits for SDR content. So if you 780 * want, 203 nits for SDR content, pass in (203.0 / 80.0). Format is 781 * S31.32 sign-magnitude. 782 * 783 * HDR multiplier can wide range beyond [0.0, 1.0]. This means that PQ 784 * TF is needed for any subsequent linear-to-non-linear transforms. 785 */ 786 __u64 hdr_mult; 787 /** 788 * @ctm: 789 * 790 * Color transformation matrix. The blob (if not NULL) is a &struct 791 * drm_color_ctm_3x4. 792 */ 793 struct drm_property_blob *ctm; 794 /** 795 * @shaper_lut: shaper lookup table blob. The blob (if not NULL) is an 796 * array of &struct drm_color_lut. 797 */ 798 struct drm_property_blob *shaper_lut; 799 /** 800 * @shaper_tf: 801 * 802 * Predefined transfer function to delinearize color space. 803 */ 804 enum amdgpu_transfer_function shaper_tf; 805 /** 806 * @lut3d: 3D lookup table blob. The blob (if not NULL) is an array of 807 * &struct drm_color_lut. 808 */ 809 struct drm_property_blob *lut3d; 810 /** 811 * @blend_lut: blend lut lookup table blob. The blob (if not NULL) is an 812 * array of &struct drm_color_lut. 813 */ 814 struct drm_property_blob *blend_lut; 815 /** 816 * @blend_tf: 817 * 818 * Pre-defined transfer function for converting plane pixel data before 819 * applying blend LUT. 820 */ 821 enum amdgpu_transfer_function blend_tf; 822 }; 823 824 struct dm_crtc_state { 825 struct drm_crtc_state base; 826 struct dc_stream_state *stream; 827 828 bool cm_has_degamma; 829 bool cm_is_degamma_srgb; 830 831 bool mpo_requested; 832 833 int update_type; 834 int active_planes; 835 836 int crc_skip_count; 837 838 bool freesync_vrr_info_changed; 839 840 bool dsc_force_changed; 841 bool vrr_supported; 842 struct mod_freesync_config freesync_config; 843 struct dc_info_packet vrr_infopacket; 844 845 int abm_level; 846 847 /** 848 * @regamma_tf: 849 * 850 * Pre-defined transfer function for converting internal FB -> wire 851 * encoding. 852 */ 853 enum amdgpu_transfer_function regamma_tf; 854 }; 855 856 #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base) 857 858 struct dm_atomic_state { 859 struct drm_private_state base; 860 861 struct dc_state *context; 862 }; 863 864 #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base) 865 866 struct dm_connector_state { 867 struct drm_connector_state base; 868 869 enum amdgpu_rmx_type scaling; 870 uint8_t underscan_vborder; 871 uint8_t underscan_hborder; 872 bool underscan_enable; 873 bool freesync_capable; 874 bool update_hdcp; 875 uint8_t abm_level; 876 int vcpi_slots; 877 uint64_t pbn; 878 }; 879 880 #define to_dm_connector_state(x)\ 881 container_of((x), struct dm_connector_state, base) 882 883 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector); 884 struct drm_connector_state * 885 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector); 886 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector, 887 struct drm_connector_state *state, 888 struct drm_property *property, 889 uint64_t val); 890 891 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, 892 const struct drm_connector_state *state, 893 struct drm_property *property, 894 uint64_t *val); 895 896 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev); 897 898 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, 899 struct amdgpu_dm_connector *aconnector, 900 int connector_type, 901 struct dc_link *link, 902 int link_index); 903 904 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector, 905 struct drm_display_mode *mode); 906 907 void dm_restore_drm_connector_state(struct drm_device *dev, 908 struct drm_connector *connector); 909 910 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, 911 struct edid *edid); 912 913 void amdgpu_dm_trigger_timing_sync(struct drm_device *dev); 914 915 /* 3D LUT max size is 17x17x17 (4913 entries) */ 916 #define MAX_COLOR_3DLUT_SIZE 17 917 #define MAX_COLOR_3DLUT_BITDEPTH 12 918 int amdgpu_dm_verify_lut3d_size(struct amdgpu_device *adev, 919 struct drm_plane_state *plane_state); 920 /* 1D LUT size */ 921 #define MAX_COLOR_LUT_ENTRIES 4096 922 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */ 923 #define MAX_COLOR_LEGACY_LUT_ENTRIES 256 924 925 void amdgpu_dm_init_color_mod(void); 926 int amdgpu_dm_create_color_properties(struct amdgpu_device *adev); 927 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state); 928 int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc); 929 int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, 930 struct drm_plane_state *plane_state, 931 struct dc_plane_state *dc_plane_state); 932 933 void amdgpu_dm_update_connector_after_detect( 934 struct amdgpu_dm_connector *aconnector); 935 936 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; 937 938 int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int link_index, 939 struct aux_payload *payload, enum aux_return_code_type *operation_result); 940 941 int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int link_index, 942 struct set_config_cmd_payload *payload, enum set_config_status *operation_result); 943 944 struct dc_stream_state * 945 create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, 946 const struct drm_display_mode *drm_mode, 947 const struct dm_connector_state *dm_state, 948 const struct dc_stream_state *old_stream); 949 950 int dm_atomic_get_state(struct drm_atomic_state *state, 951 struct dm_atomic_state **dm_state); 952 953 struct drm_connector * 954 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state, 955 struct drm_crtc *crtc); 956 957 int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth); 958 #endif /* __AMDGPU_DM_H__ */ 959