2 * Copyright 2012-14 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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
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19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #ifndef DC_INTERFACE_H_
27 #define DC_INTERFACE_H_
30 #include "grph_object_defs.h"
31 #include "logger_types.h"
32 #include "gpio_types.h"
33 #include "link_service_types.h"
34 #include "grph_object_ctrl_defs.h"
35 #include <inc/hw/opp.h>
37 #include "inc/hw_sequencer.h"
38 #include "inc/compressor.h"
39 #include "inc/hw/dmcu.h"
40 #include "dml/display_mode_lib.h"
42 #define DC_VER "3.2.40"
44 #define MAX_SURFACES 3
47 #define MAX_SINKS_PER_LINK 4
49 /*******************************************************************************
50 * Display Core Interfaces
51 ******************************************************************************/
54 struct dmcu_version dmcu_version;
58 DC_PLANE_TYPE_INVALID,
59 DC_PLANE_TYPE_DCE_RGB,
60 DC_PLANE_TYPE_DCE_UNDERLAY,
61 DC_PLANE_TYPE_DCN_UNIVERSAL,
65 enum dc_plane_type type;
66 uint32_t blends_with_above : 1;
67 uint32_t blends_with_below : 1;
68 uint32_t per_pixel_alpha : 1;
70 uint32_t argb8888 : 1;
75 } pixel_format_support;
76 // max upscaling factor x1000
77 // upscaling factors are always >= 1
78 // for example, 1080p -> 8K is 4.0, or 4000 raw value
84 // max downscale factor x1000
85 // downscale factors are always <= 1
86 // for example, 8K -> 1080p is 0.25, or 250 raw value
91 } max_downscale_factor;
98 uint32_t max_slave_planes;
100 uint32_t max_downscale_ratio;
101 uint32_t i2c_speed_in_khz;
102 uint32_t dmdata_alloc_size;
103 unsigned int max_cursor_size;
104 unsigned int max_video_width;
105 int linear_pitch_alignment;
106 bool dcc_const_color;
110 bool post_blend_color_processing;
111 bool force_dp_tps4_for_cp2520;
112 bool disable_dp_clk_share;
113 bool psp_setup_panel_mode;
114 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
117 struct dc_plane_cap planes[MAX_PLANES];
120 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
122 bool no_connect_phy_config;
127 struct dc_dcc_surface_param {
128 struct dc_size surface_size;
129 enum surface_pixel_format format;
130 enum swizzle_mode_values swizzle_mode;
131 enum dc_scan_direction scan;
134 struct dc_dcc_setting {
135 unsigned int max_compressed_blk_size;
136 unsigned int max_uncompressed_blk_size;
137 bool independent_64b_blks;
140 struct dc_surface_dcc_cap {
143 struct dc_dcc_setting rgb;
147 struct dc_dcc_setting luma;
148 struct dc_dcc_setting chroma;
153 bool const_color_support;
156 struct dc_static_screen_events {
164 /* Surface update type is used by dc_update_surfaces_and_stream
165 * The update type is determined at the very beginning of the function based
166 * on parameters passed in and decides how much programming (or updating) is
167 * going to be done during the call.
169 * UPDATE_TYPE_FAST is used for really fast updates that do not require much
170 * logical calculations or hardware register programming. This update MUST be
171 * ISR safe on windows. Currently fast update will only be used to flip surface
174 * UPDATE_TYPE_MED is used for slower updates which require significant hw
175 * re-programming however do not affect bandwidth consumption or clock
176 * requirements. At present, this is the level at which front end updates
177 * that do not require us to run bw_calcs happen. These are in/out transfer func
178 * updates, viewport offset changes, recout size changes and pixel depth changes.
179 * This update can be done at ISR, but we want to minimize how often this happens.
181 * UPDATE_TYPE_FULL is slow. Really slow. This requires us to recalculate our
182 * bandwidth and clocks, possibly rearrange some pipes and reprogram anything front
183 * end related. Any time viewport dimensions, recout dimensions, scaling ratios or
184 * gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do
185 * a full update. This cannot be done at ISR level and should be a rare event.
186 * Unless someone is stress testing mpo enter/exit, playing with colour or adjusting
187 * underscan we don't expect to see this call at all.
190 enum surface_update_type {
191 UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */
192 UPDATE_TYPE_MED, /* ISR safe, most of programming needed, no bw/clk change*/
193 UPDATE_TYPE_FULL, /* may need to shuffle resources */
196 /* Forward declaration*/
198 struct dc_plane_state;
202 struct dc_cap_funcs {
203 bool (*get_dcc_compression_cap)(const struct dc *dc,
204 const struct dc_dcc_surface_param *input,
205 struct dc_surface_dcc_cap *output);
208 struct link_training_settings;
211 /* Structure to hold configuration flags set by dm at dc creation. */
214 bool disable_disp_pll_sharing;
216 bool optimize_edp_link_rate;
217 bool disable_fractional_pwm;
218 bool allow_seamless_boot_optimization;
219 bool power_down_display_on_boot;
220 bool edp_not_connected;
225 enum visual_confirm {
226 VISUAL_CONFIRM_DISABLE = 0,
227 VISUAL_CONFIRM_SURFACE = 1,
228 VISUAL_CONFIRM_HDR = 2,
234 DCC_HALF_REQ_DISALBE = 2,
237 enum pipe_split_policy {
238 MPC_SPLIT_DYNAMIC = 0,
240 MPC_SPLIT_AVOID_MULT_DISP = 2,
243 enum wm_report_mode {
244 WM_REPORT_DEFAULT = 0,
245 WM_REPORT_OVERRIDE = 1,
249 * For any clocks that may differ per pipe
250 * only the max is stored in this structure
254 int max_supported_dppclk_khz;
258 int dcfclk_deep_sleep_khz;
262 bool p_state_change_support;
265 struct dc_bw_validation_profile {
268 unsigned long long total_ticks;
269 unsigned long long voltage_level_ticks;
270 unsigned long long watermark_ticks;
271 unsigned long long rq_dlg_ticks;
273 unsigned long long total_count;
274 unsigned long long skip_fast_count;
275 unsigned long long skip_pass_count;
276 unsigned long long skip_fail_count;
279 #define BW_VAL_TRACE_SETUP() \
280 unsigned long long end_tick = 0; \
281 unsigned long long voltage_level_tick = 0; \
282 unsigned long long watermark_tick = 0; \
283 unsigned long long start_tick = dc->debug.bw_val_profile.enable ? \
284 dm_get_timestamp(dc->ctx) : 0
286 #define BW_VAL_TRACE_COUNT() \
287 if (dc->debug.bw_val_profile.enable) \
288 dc->debug.bw_val_profile.total_count++
290 #define BW_VAL_TRACE_SKIP(status) \
291 if (dc->debug.bw_val_profile.enable) { \
292 if (!voltage_level_tick) \
293 voltage_level_tick = dm_get_timestamp(dc->ctx); \
294 dc->debug.bw_val_profile.skip_ ## status ## _count++; \
297 #define BW_VAL_TRACE_END_VOLTAGE_LEVEL() \
298 if (dc->debug.bw_val_profile.enable) \
299 voltage_level_tick = dm_get_timestamp(dc->ctx)
301 #define BW_VAL_TRACE_END_WATERMARKS() \
302 if (dc->debug.bw_val_profile.enable) \
303 watermark_tick = dm_get_timestamp(dc->ctx)
305 #define BW_VAL_TRACE_FINISH() \
306 if (dc->debug.bw_val_profile.enable) { \
307 end_tick = dm_get_timestamp(dc->ctx); \
308 dc->debug.bw_val_profile.total_ticks += end_tick - start_tick; \
309 dc->debug.bw_val_profile.voltage_level_ticks += voltage_level_tick - start_tick; \
310 if (watermark_tick) { \
311 dc->debug.bw_val_profile.watermark_ticks += watermark_tick - voltage_level_tick; \
312 dc->debug.bw_val_profile.rq_dlg_ticks += end_tick - watermark_tick; \
316 struct dc_debug_options {
317 enum visual_confirm visual_confirm;
323 bool validation_trace;
324 bool bandwidth_calcs_trace;
325 int max_downscale_src_width;
327 /* stutter efficiency related */
328 bool disable_stutter;
330 enum dcc_option disable_dcc;
331 enum pipe_split_policy pipe_split_policy;
332 bool force_single_disp_pipe_split;
333 bool voltage_align_fclk;
335 bool disable_dfs_bypass;
336 bool disable_dpp_power_gate;
337 bool disable_hubp_power_gate;
338 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
339 bool disable_dsc_power_gate;
341 bool disable_pplib_wm_range;
342 enum wm_report_mode pplib_wm_report_mode;
343 unsigned int min_disp_clk_khz;
344 int sr_exit_time_dpm0_ns;
345 int sr_enter_plus_exit_time_dpm0_ns;
347 int sr_enter_plus_exit_time_ns;
348 int urgent_latency_ns;
349 uint32_t underflow_assert_delay_us;
350 int percent_of_ideal_drambw;
351 int dram_clock_change_latency_ns;
352 bool optimized_watermark;
354 bool disable_pplib_clock_request;
355 bool disable_clock_gate;
358 bool force_abm_enable;
359 bool disable_stereo_support;
361 bool performance_trace;
362 bool az_endpoint_mute_only;
363 bool always_use_regamma;
364 bool p010_mpo_support;
365 bool recovery_enabled;
366 bool avoid_vbios_exec_table;
367 bool scl_reset_length10;
369 bool skip_detection_link_training;
370 unsigned int force_odm_combine; //bit vector based on otg inst
371 unsigned int force_fclk_khz;
372 bool disable_tri_buf;
373 struct dc_bw_validation_profile bw_val_profile;
374 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
377 /* This forces a hard min on the DCFCLK requested to SMU/PP
378 * watermarks are not affected.
380 unsigned int force_min_dcfclk_mhz;
383 struct dc_debug_data {
384 uint32_t ltFailCount;
385 uint32_t i2cErrorCount;
386 uint32_t auxErrorCount;
389 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
390 struct dc_phy_addr_space_config {
403 uint64_t page_table_start_addr;
404 uint64_t page_table_end_addr;
405 uint64_t page_table_base_addr;
411 struct dc_virtual_addr_space_config {
412 uint64_t page_table_base_addr;
413 uint64_t page_table_start_addr;
414 uint64_t page_table_end_addr;
415 uint32_t page_table_block_size_in_bytes;
416 uint8_t page_table_depth; // 1 = 1 level, 2 = 2 level, etc. 0 = invalid
420 struct dc_bounding_box_overrides {
422 int sr_enter_plus_exit_time_ns;
423 int urgent_latency_ns;
424 int percent_of_ideal_drambw;
425 int dram_clock_change_latency_ns;
426 /* This forces a hard min on the DCFCLK we use
427 * for DML. Unlike the debug option for forcing
428 * DCFCLK, this override affects watermark calculations
434 struct resource_pool;
436 struct gpu_info_soc_bounding_box_v1_0;
438 struct dc_versions versions;
440 struct dc_cap_funcs cap_funcs;
441 struct dc_config config;
442 struct dc_debug_options debug;
443 struct dc_bounding_box_overrides bb_overrides;
444 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
445 struct dc_bug_wa work_arounds;
447 struct dc_context *ctx;
448 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
449 struct dc_phy_addr_space_config vm_pa_config;
453 struct dc_link *links[MAX_PIPES * 2];
455 struct dc_state *current_state;
456 struct resource_pool *res_pool;
458 struct clk_mgr *clk_mgr;
460 /* Display Engine Clock levels */
461 struct dm_pp_clock_levels sclk_lvls;
463 /* Inputs into BW and WM calculations. */
464 struct bw_calcs_dceip *bw_dceip;
465 struct bw_calcs_vbios *bw_vbios;
466 #ifdef CONFIG_DRM_AMD_DC_DCN1_0
467 struct dcn_soc_bounding_box *dcn_soc;
468 struct dcn_ip_params *dcn_ip;
469 struct display_mode_lib dml;
473 struct hw_sequencer_funcs hwss;
474 struct dce_hwseq *hwseq;
476 /* Require to optimize clocks and bandwidth for added/removed planes */
477 bool optimized_required;
479 /* Require to maintain clocks and bandwidth for UEFI enabled HW */
480 bool optimize_seamless_boot;
483 struct compressor *fbc_compressor;
485 struct dc_debug_data debug_data;
487 const char *build_id;
488 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
489 struct vm_helper *vm_helper;
490 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
494 enum frame_buffer_mode {
495 FRAME_BUFFER_MODE_LOCAL_ONLY = 0,
496 FRAME_BUFFER_MODE_ZFB_ONLY,
497 FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL,
500 struct dchub_init_data {
501 int64_t zfb_phys_addr_base;
502 int64_t zfb_mc_base_addr;
503 uint64_t zfb_size_in_byte;
504 enum frame_buffer_mode fb_mode;
505 bool dchub_initialzied;
506 bool dchub_info_valid;
509 struct dc_init_data {
510 struct hw_asic_id asic_id;
511 void *driver; /* ctx */
512 struct cgs_device *cgs_device;
513 struct dc_bounding_box_overrides bb_overrides;
515 int num_virtual_links;
517 * If 'vbios_override' not NULL, it will be called instead
518 * of the real VBIOS. Intended use is Diagnostics on FPGA.
520 struct dc_bios *vbios_override;
521 enum dce_environment dce_environment;
523 struct dc_config flags;
525 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
527 * gpu_info FW provided soc bounding box struct or 0 if not
530 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
534 struct dc_callback_init {
538 struct dc *dc_create(const struct dc_init_data *init_params);
539 int dc_get_vmid_use_vector(struct dc *dc);
540 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
541 void dc_setup_vm_context(struct dc *dc, struct dc_virtual_addr_space_config *va_config, int vmid);
542 /* Returns the number of vmids supported */
543 int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_config);
545 void dc_init_callbacks(struct dc *dc,
546 const struct dc_callback_init *init_params);
547 void dc_destroy(struct dc **dc);
549 /*******************************************************************************
551 ******************************************************************************/
554 TRANSFER_FUNC_POINTS = 1025
557 struct dc_hdr_static_metadata {
558 /* display chromaticities and white point in units of 0.00001 */
559 unsigned int chromaticity_green_x;
560 unsigned int chromaticity_green_y;
561 unsigned int chromaticity_blue_x;
562 unsigned int chromaticity_blue_y;
563 unsigned int chromaticity_red_x;
564 unsigned int chromaticity_red_y;
565 unsigned int chromaticity_white_point_x;
566 unsigned int chromaticity_white_point_y;
568 uint32_t min_luminance;
569 uint32_t max_luminance;
570 uint32_t maximum_content_light_level;
571 uint32_t maximum_frame_average_light_level;
574 enum dc_transfer_func_type {
576 TF_TYPE_DISTRIBUTED_POINTS,
581 struct dc_transfer_func_distributed_points {
582 struct fixed31_32 red[TRANSFER_FUNC_POINTS];
583 struct fixed31_32 green[TRANSFER_FUNC_POINTS];
584 struct fixed31_32 blue[TRANSFER_FUNC_POINTS];
586 uint16_t end_exponent;
587 uint16_t x_point_at_y1_red;
588 uint16_t x_point_at_y1_green;
589 uint16_t x_point_at_y1_blue;
592 enum dc_transfer_func_predefined {
593 TRANSFER_FUNCTION_SRGB,
594 TRANSFER_FUNCTION_BT709,
595 TRANSFER_FUNCTION_PQ,
596 TRANSFER_FUNCTION_LINEAR,
597 TRANSFER_FUNCTION_UNITY,
598 TRANSFER_FUNCTION_HLG,
599 TRANSFER_FUNCTION_HLG12,
600 TRANSFER_FUNCTION_GAMMA22
603 struct dc_transfer_func {
604 struct kref refcount;
605 enum dc_transfer_func_type type;
606 enum dc_transfer_func_predefined tf;
607 /* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/
608 uint32_t sdr_ref_white_level;
609 struct dc_context *ctx;
611 struct pwl_params pwl;
612 struct dc_transfer_func_distributed_points tf_pts;
616 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
620 struct kref refcount;
621 struct tetrahedral_params lut_3d;
622 uint32_t hdr_multiplier;
624 struct dc_context *ctx;
628 * This structure is filled in by dc_surface_get_status and contains
629 * the last requested address and the currently active address so the called
630 * can determine if there are any outstanding flips
632 struct dc_plane_status {
633 struct dc_plane_address requested_address;
634 struct dc_plane_address current_address;
635 bool is_flip_pending;
639 union surface_update_flags {
642 uint32_t addr_update:1;
644 uint32_t dcc_change:1;
645 uint32_t color_space_change:1;
646 uint32_t horizontal_mirror_change:1;
647 uint32_t per_pixel_alpha_change:1;
648 uint32_t global_alpha_change:1;
649 uint32_t sdr_white_level:1;
650 uint32_t rotation_change:1;
651 uint32_t swizzle_change:1;
652 uint32_t scaling_change:1;
653 uint32_t position_change:1;
654 uint32_t in_transfer_func_change:1;
655 uint32_t input_csc_change:1;
656 uint32_t coeff_reduction_change:1;
657 uint32_t output_tf_change:1;
658 uint32_t pixel_format_change:1;
659 uint32_t plane_size_change:1;
662 uint32_t new_plane:1;
663 uint32_t bpp_change:1;
664 uint32_t gamma_change:1;
665 uint32_t bandwidth_change:1;
666 uint32_t clock_change:1;
667 uint32_t stereo_format_change:1;
668 uint32_t full_update:1;
674 struct dc_plane_state {
675 struct dc_plane_address address;
676 struct dc_plane_flip_time time;
677 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
678 bool triplebuffer_flips;
680 struct scaling_taps scaling_quality;
681 struct rect src_rect;
682 struct rect dst_rect;
683 struct rect clip_rect;
685 union plane_size plane_size;
686 union dc_tiling_info tiling_info;
688 struct dc_plane_dcc_param dcc;
690 struct dc_gamma *gamma_correction;
691 struct dc_transfer_func *in_transfer_func;
692 struct dc_bias_and_scale *bias_and_scale;
693 struct dc_csc_transform input_csc_color_matrix;
694 struct fixed31_32 coeff_reduction_factor;
695 uint32_t sdr_white_level;
697 // TODO: No longer used, remove
698 struct dc_hdr_static_metadata hdr_static_ctx;
700 enum dc_color_space color_space;
702 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
703 struct dc_3dlut *lut3d_func;
704 struct dc_transfer_func *in_shaper_func;
705 struct dc_transfer_func *blend_tf;
708 enum surface_pixel_format format;
709 enum dc_rotation_angle rotation;
710 enum plane_stereo_format stereo_format;
712 bool is_tiling_rotated;
713 bool per_pixel_alpha;
715 int global_alpha_value;
718 bool horizontal_mirror;
720 union surface_update_flags update_flags;
721 /* private to DC core */
722 struct dc_plane_status status;
723 struct dc_context *ctx;
725 /* HACK: Workaround for forcing full reprogramming under some conditions */
726 bool force_full_update;
728 /* private to dc_surface.c */
729 enum dc_irq_source irq_source;
730 struct kref refcount;
733 struct dc_plane_info {
734 union plane_size plane_size;
735 union dc_tiling_info tiling_info;
736 struct dc_plane_dcc_param dcc;
737 enum surface_pixel_format format;
738 enum dc_rotation_angle rotation;
739 enum plane_stereo_format stereo_format;
740 enum dc_color_space color_space;
741 unsigned int sdr_white_level;
742 bool horizontal_mirror;
744 bool per_pixel_alpha;
746 int global_alpha_value;
747 bool input_csc_enabled;
750 struct dc_scaling_info {
751 struct rect src_rect;
752 struct rect dst_rect;
753 struct rect clip_rect;
754 struct scaling_taps scaling_quality;
757 struct dc_surface_update {
758 struct dc_plane_state *surface;
760 /* isr safe update parameters. null means no updates */
761 const struct dc_flip_addrs *flip_addr;
762 const struct dc_plane_info *plane_info;
763 const struct dc_scaling_info *scaling_info;
765 /* following updates require alloc/sleep/spin that is not isr safe,
766 * null means no updates
768 const struct dc_gamma *gamma;
769 const struct dc_transfer_func *in_transfer_func;
771 const struct dc_csc_transform *input_csc_color_matrix;
772 const struct fixed31_32 *coeff_reduction_factor;
773 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
774 const struct dc_transfer_func *func_shaper;
775 const struct dc_3dlut *lut3d_func;
776 const struct dc_transfer_func *blend_tf;
781 * Create a new surface with default parameters;
783 struct dc_plane_state *dc_create_plane_state(struct dc *dc);
784 const struct dc_plane_status *dc_plane_get_status(
785 const struct dc_plane_state *plane_state);
787 void dc_plane_state_retain(struct dc_plane_state *plane_state);
788 void dc_plane_state_release(struct dc_plane_state *plane_state);
790 void dc_gamma_retain(struct dc_gamma *dc_gamma);
791 void dc_gamma_release(struct dc_gamma **dc_gamma);
792 struct dc_gamma *dc_create_gamma(void);
794 void dc_transfer_func_retain(struct dc_transfer_func *dc_tf);
795 void dc_transfer_func_release(struct dc_transfer_func *dc_tf);
796 struct dc_transfer_func *dc_create_transfer_func(void);
798 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
799 struct dc_3dlut *dc_create_3dlut_func(void);
800 void dc_3dlut_func_release(struct dc_3dlut *lut);
801 void dc_3dlut_func_retain(struct dc_3dlut *lut);
804 * This structure holds a surface address. There could be multiple addresses
805 * in cases such as Stereo 3D, Planar YUV, etc. Other per-flip attributes such
806 * as frame durations and DCC format can also be set.
808 struct dc_flip_addrs {
809 struct dc_plane_address address;
810 unsigned int flip_timestamp_in_us;
812 /* TODO: add flip duration for FreeSync */
815 bool dc_post_update_surfaces_to_stream(
818 #include "dc_stream.h"
821 * Structure to store surface/stream associations for validation
823 struct dc_validation_set {
824 struct dc_stream_state *stream;
825 struct dc_plane_state *plane_states[MAX_SURFACES];
829 bool dc_validate_seamless_boot_timing(const struct dc *dc,
830 const struct dc_sink *sink,
831 struct dc_crtc_timing *crtc_timing);
833 enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state);
835 void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info);
838 * fast_validate: we return after determining if we can support the new state,
839 * but before we populate the programming info
841 enum dc_status dc_validate_global_state(
843 struct dc_state *new_ctx,
847 void dc_resource_state_construct(
849 struct dc_state *dst_ctx);
851 void dc_resource_state_copy_construct(
852 const struct dc_state *src_ctx,
853 struct dc_state *dst_ctx);
855 void dc_resource_state_copy_construct_current(
857 struct dc_state *dst_ctx);
859 void dc_resource_state_destruct(struct dc_state *context);
862 * TODO update to make it about validation sets
863 * Set up streams and links associated to drive sinks
864 * The streams parameter is an absolute set of all active streams.
867 * Phy, Encoder, Timing Generator are programmed and enabled.
868 * New streams are enabled with blank stream; no memory read.
870 bool dc_commit_state(struct dc *dc, struct dc_state *context);
873 struct dc_state *dc_create_state(struct dc *dc);
874 struct dc_state *dc_copy_state(struct dc_state *src_ctx);
875 void dc_retain_state(struct dc_state *context);
876 void dc_release_state(struct dc_state *context);
878 /*******************************************************************************
880 ******************************************************************************/
883 union dpcd_rev dpcd_rev;
884 union max_lane_count max_ln_count;
885 union max_down_spread max_down_spread;
886 union dprx_feature dprx_feature;
888 /* valid only for eDP v1.4 or higher*/
889 uint8_t edp_supported_link_rates_count;
890 enum dc_link_rate edp_supported_link_rates[8];
892 /* dongle type (DP converter, CV smart dongle) */
893 enum display_dongle_type dongle_type;
894 /* branch device or sink device */
896 /* Dongle's downstream count. */
897 union sink_count sink_count;
898 /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
899 indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
900 struct dc_dongle_caps dongle_caps;
902 uint32_t sink_dev_id;
903 int8_t sink_dev_id_str[6];
904 int8_t sink_hw_revision;
905 int8_t sink_fw_revision[2];
907 uint32_t branch_dev_id;
908 int8_t branch_dev_name[6];
909 int8_t branch_hw_revision;
910 int8_t branch_fw_revision[2];
912 bool allow_invalid_MSA_timing_param;
914 bool dpcd_display_control_capable;
915 bool ext_receiver_cap_field_present;
916 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
917 union dpcd_fec_capability fec_cap;
918 struct dpcd_dsc_capabilities dsc_caps;
924 /*******************************************************************************
925 * Sink Interfaces - A sink corresponds to a display output device
926 ******************************************************************************/
928 struct dc_container_id {
929 // 128bit GUID in binary form
930 unsigned char guid[16];
931 // 8 byte port ID -> ELD.PortID
932 unsigned int portId[2];
933 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName
934 unsigned short manufacturerName;
935 // 2 byte product code -> ELD.ProductCode
936 unsigned short productCode;
940 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
941 struct dc_sink_dsc_caps {
942 // 'true' if these are virtual DPCD's DSC caps (immediately upstream of sink in MST topology),
943 // 'false' if they are sink's DSC caps
944 bool is_virtual_dpcd_dsc;
945 struct dsc_dec_dpcd_caps dsc_dec_caps;
950 * The sink structure contains EDID and other display device properties
953 enum signal_type sink_signal;
954 struct dc_edid dc_edid; /* raw edid */
955 struct dc_edid_caps edid_caps; /* parse display caps */
956 struct dc_container_id *dc_container_id;
957 uint32_t dongle_max_pix_clk;
959 struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
960 bool converter_disable_audio;
962 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
963 struct dc_sink_dsc_caps sink_dsc_caps;
966 /* private to DC core */
967 struct dc_link *link;
968 struct dc_context *ctx;
972 /* private to dc_sink.c */
973 // refcount must be the last member in dc_sink, since we want the
974 // sink structure to be logically cloneable up to (but not including)
976 struct kref refcount;
979 void dc_sink_retain(struct dc_sink *sink);
980 void dc_sink_release(struct dc_sink *sink);
982 struct dc_sink_init_data {
983 enum signal_type sink_signal;
984 struct dc_link *link;
985 uint32_t dongle_max_pix_clk;
986 bool converter_disable_audio;
989 struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
991 /* Newer interfaces */
993 struct dc_plane_address address;
994 struct dc_cursor_attributes attributes;
998 /*******************************************************************************
999 * Interrupt interfaces
1000 ******************************************************************************/
1001 enum dc_irq_source dc_interrupt_to_irq_source(
1005 bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable);
1006 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src);
1007 enum dc_irq_source dc_get_hpd_irq_source_at_index(
1008 struct dc *dc, uint32_t link_index);
1010 /*******************************************************************************
1012 ******************************************************************************/
1014 void dc_set_power_state(
1016 enum dc_acpi_cm_power_state power_state);
1017 void dc_resume(struct dc *dc);
1018 unsigned int dc_get_current_backlight_pwm(struct dc *dc);
1019 unsigned int dc_get_target_backlight_pwm(struct dc *dc);
1021 bool dc_is_dmcu_initialized(struct dc *dc);
1023 #if defined(CONFIG_DRM_AMD_DC_DSC_SUPPORT)
1024 /*******************************************************************************
1026 ******************************************************************************/
1029 #endif /* DC_INTERFACE_H_ */