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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright 2023 Advanced Micro Devices, Inc.4 *5 * Permission is hereby granted, free of charge, to any person obtaining a6 * copy of this software and associated documentation files (the "Software"),7 * to deal in the Software without restriction, including without limitation8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,9 * and/or sell copies of the Software, and to permit persons to whom the10 * Software is furnished to do so, subject to the following conditions:11 *12 * The above copyright notice and this permission notice shall be included in13 * all copies or substantial portions of the Software.14 *15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR21 * OTHER DEALINGS IN THE SOFTWARE.22 *23 */24 25#ifndef _DML2_UTILS_H_26#define _DML2_UTILS_H_27 28#include "os_types.h"29#include "dml2_dc_types.h"30 31struct dc;32struct dml_timing_cfg_st;33struct dml2_dcn_clocks;34struct dc_state;35 36void dml2_util_copy_dml_timing(struct dml_timing_cfg_st *dml_timing_array, unsigned int dst_index, unsigned int src_index);37void dml2_util_copy_dml_plane(struct dml_plane_cfg_st *dml_plane_array, unsigned int dst_index, unsigned int src_index);38void dml2_util_copy_dml_surface(struct dml_surface_cfg_st *dml_surface_array, unsigned int dst_index, unsigned int src_index);39void dml2_util_copy_dml_output(struct dml_output_cfg_st *dml_output_array, unsigned int dst_index, unsigned int src_index);40unsigned int dml2_util_get_maximum_odm_combine_for_output(bool force_odm_4to1, enum dml_output_encoder_class encoder, bool dsc_enabled);41void dml2_copy_clocks_to_dc_state(struct dml2_dcn_clocks *out_clks, struct dc_state *context);42void dml2_extract_watermark_set(struct dcn_watermarks *watermark, struct display_mode_lib_st *dml_core_ctx);43void dml2_extract_writeback_wm(struct dc_state *context, struct display_mode_lib_st *dml_core_ctx);44int dml2_helper_find_dml_pipe_idx_by_stream_id(struct dml2_context *ctx, unsigned int stream_id);45bool is_dtbclk_required(const struct dc *dc, struct dc_state *context);46bool dml2_is_stereo_timing(const struct dc_stream_state *stream);47unsigned int dml2_calc_max_scaled_time(48 unsigned int time_per_pixel,49 enum mmhubbub_wbif_mode mode,50 unsigned int urgent_watermark);51 52/*53 * dml2_dc_construct_pipes - This function will determine if we need additional pipes based54 * on the DML calculated outputs for MPC, ODM and allocate them as necessary. This function55 * could be called after in dml_validate_build_resource after dml_mode_pragramming like :56 * {57 * ...58 * map_hw_resources(&s->cur_display_config, &s->mode_support_info);59 * result = dml_mode_programming(&in_ctx->dml_core_ctx, s->mode_support_params.out_lowest_state_idx, &s->cur_display_config, true);60 * dml2_dc_construct_pipes(in_display_state, s->mode_support_info, out_hw_context);61 * ...62 * }63 *64 * @context: To obtain res_ctx and read other information like stream ID etc.65 * @dml_mode_support_st : To get the ODM, MPC outputs as determined by the DML.66 * @out_hw_context : Handle to the new hardware context.67 *68 *69 * Return: None.70 */71void dml2_dc_construct_pipes(struct dc_state *context, struct dml_mode_support_info_st *dml_mode_support_st,72 struct resource_context *out_hw_context);73 74/*75 * dml2_predict_pipe_split - This function is the dml2 version of predict split pipe. It predicts a76 * if pipe split is required or not and returns the output as a bool.77 * @context : dc_state.78 * @pipe : old_index is the index of the pipe as derived from pipe_idx.79 * @index : index of the pipe80 *81 *82 * Return: Returns the result in boolean.83 */84bool dml2_predict_pipe_split(struct dc_state *context, display_pipe_params_st pipe, int index);85 86/*87 * dml2_build_mapped_resource - This function is the dml2 version of build_mapped_resource.88 * In case of ODM, we need to build pipe hardware params again as done in dcn20_build_mapped_resource.89 * @dc : struct dc90 * @context : struct dc_state.91 * @stream : stream whoose corresponding pipe params need to be modified.92 *93 *94 * Return: Returns DC_OK if successful.95 */96enum dc_status dml2_build_mapped_resource(const struct dc *dc, struct dc_state *context, struct dc_stream_state *stream);97 98/*99 * dml2_extract_rq_regs - This function will extract information needed for struct _vcs_dpi_display_rq_regs_st100 * and populate it.101 * @context: To obtain and populate the res_ctx->pipe_ctx->rq_regs with DML outputs.102 * @support : This structure has the DML intermediate outputs required to populate rq_regs.103 *104 *105 * Return: None.106 */107 108 /*109 * dml2_calculate_rq_and_dlg_params - This function will call into DML2 functions needed110 * for populating rq, ttu and dlg param structures and populate it.111 * @dc : struct dc112 * @context : dc_state provides a handle to selectively populate pipe_ctx113 * @out_new_hw_state: To obtain and populate the rq, dlg and ttu regs in114 * out_new_hw_state->pipe_ctx with DML outputs.115 * @in_ctx : This structure has the pointer to display_mode_lib_st.116 * @pipe_cnt : DML functions to obtain RQ, TTu and DLG params need a pipe_index.117 * This helps provide pipe_index in the pipe_cnt loop.118 *119 *120 * Return: None.121 */122void dml2_calculate_rq_and_dlg_params(const struct dc *dc, struct dc_state *context, struct resource_context *out_new_hw_state, struct dml2_context *in_ctx, unsigned int pipe_cnt);123 124/*125 * dml2_apply_det_buffer_allocation_policy - This function will determine the DET Buffer size126 * and return the number of streams.127 * @dml2 : Handle for dml2 context128 * @dml_dispcfg : dml_dispcfg is the DML2 struct representing the current display config129 * Return : None.130 */131void dml2_apply_det_buffer_allocation_policy(struct dml2_context *in_ctx, struct dml_display_cfg_st *dml_dispcfg);132 133/*134 * dml2_verify_det_buffer_configuration - This function will verify if the allocated DET buffer exceeds135 * the total available DET size available and outputs a boolean to indicate if recalulation is needed.136 * @dml2 : Handle for dml2 context137 * @dml_dispcfg : dml_dispcfg is the DML2 struct representing the current display config138 * @struct dml2_helper_det_policy_scratch : Pointer to DET helper scratch139 * Return : returns true if recalculation is required, false otherwise.140 */141bool dml2_verify_det_buffer_configuration(struct dml2_context *in_ctx, struct dc_state *display_state, struct dml2_helper_det_policy_scratch *det_scratch);142 143/*144 * dml2_initialize_det_scratch - This function will initialize the DET scratch space as per requirements.145 * @dml2 : Handle for dml2 context146 * Return : None147 */148void dml2_initialize_det_scratch(struct dml2_context *in_ctx);149#endif150