/* SPDX-License-Identifier: MIT */
/*
* Copyright 2023 Advanced Micro Devices , Inc .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDER ( S ) OR AUTHOR ( S ) BE LIABLE FOR ANY CLAIM , DAMAGES OR
* OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE ,
* ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE .
*
*/
#ifndef _DML2_UTILS_H_
#define _DML2_UTILS_H_
#include "os_types.h"
#include "dml2_dc_types.h"
struct dc;
struct dml_timing_cfg_st;
struct dml2_dcn_clocks;
struct dc_state;
void dml2_util_copy_dml_timing(struct dml_timing_cfg_st *dml_timing_array, unsigned int dst_index, unsigned int src_index);
void dml2_util_copy_dml_plane(struct dml_plane_cfg_st *dml_plane_array, unsigned int dst_index, unsigned int src_index);
void dml2_util_copy_dml_surface(struct dml_surface_cfg_st *dml_surface_array, unsigned int dst_index, unsigned int src_index);
void dml2_util_copy_dml_output(struct dml_output_cfg_st *dml_output_array, unsigned int dst_index, unsigned int src_index);
unsigned int dml2_util_get_maximum_odm_combine_for_output(bool force_odm_4to1, enum dml_output_encoder_class encoder, bool dsc_enabled);
void dml2_copy_clocks_to_dc_state(struct dml2_dcn_clocks *out_clks, struct dc_state *context);
void dml2_extract_watermark_set(struct dcn_watermarks *watermark, struct display_mode_lib_st *dml_core_ctx);
void dml2_extract_writeback_wm(struct dc_state *context, struct display_mode_lib_st *dml_core_ctx);
int dml2_helper_find_dml_pipe_idx_by_stream_id(struct dml2_context *ctx, unsigned int stream_id);
bool is_dtbclk_required(const struct dc *dc, struct dc_state *context);
bool dml2_is_stereo_timing(const struct dc_stream_state *stream);
unsigned int dml2_calc_max_scaled_time(
unsigned int time_per_pixel,
enum mmhubbub_wbif_mode mode,
unsigned int urgent_watermark);
/*
* dml2_dc_construct_pipes - This function will determine if we need additional pipes based
* on the DML calculated outputs for MPC , ODM and allocate them as necessary . This function
* could be called after in dml_validate_build_resource after dml_mode_pragramming like :
* {
* . . .
* map_hw_resources ( & s - > cur_display_config , & s - > mode_support_info ) ;
* result = dml_mode_programming ( & in_ctx - > dml_core_ctx , s - > mode_support_params . out_lowest_state_idx , & s - > cur_display_config , true ) ;
* dml2_dc_construct_pipes ( in_display_state , s - > mode_support_info , out_hw_context ) ;
* . . .
* }
*
* @ context : To obtain res_ctx and read other information like stream ID etc .
* @ dml_mode_support_st : To get the ODM , MPC outputs as determined by the DML .
* @ out_hw_context : Handle to the new hardware context .
*
*
* Return : None .
*/
void dml2_dc_construct_pipes(struct dc_state *context, struct dml_mode_support_info_st *dml_mode_support_st,
struct resource_context *out_hw_context);
/*
* dml2_predict_pipe_split - This function is the dml2 version of predict split pipe . It predicts a
* if pipe split is required or not and returns the output as a bool .
* @ context : dc_state .
* @ pipe : old_index is the index of the pipe as derived from pipe_idx .
* @ index : index of the pipe
*
*
* Return : Returns the result in boolean .
*/
bool dml2_predict_pipe_split(struct dc_state *context, display_pipe_params_st pipe, int index);
/*
* dml2_build_mapped_resource - This function is the dml2 version of build_mapped_resource .
* In case of ODM , we need to build pipe hardware params again as done in dcn20_build_mapped_resource .
* @ dc : struct dc
* @ context : struct dc_state .
* @ stream : stream whoose corresponding pipe params need to be modified .
*
*
* Return : Returns DC_OK if successful .
*/
enum dc_status dml2_build_mapped_resource(const struct dc *dc, struct dc_state *context, struct dc_stream_state *stream);
/*
* dml2_extract_rq_regs - This function will extract information needed for struct _ vcs_dpi_display_rq_regs_st
* and populate it .
* @ context : To obtain and populate the res_ctx - > pipe_ctx - > rq_regs with DML outputs .
* @ support : This structure has the DML intermediate outputs required to populate rq_regs .
*
*
* Return : None .
*/
/*
* dml2_calculate_rq_and_dlg_params - This function will call into DML2 functions needed
* for populating rq , ttu and dlg param structures and populate it .
* @ dc : struct dc
* @ context : dc_state provides a handle to selectively populate pipe_ctx
* @ out_new_hw_state : To obtain and populate the rq , dlg and ttu regs in
* out_new_hw_state - > pipe_ctx with DML outputs .
* @ in_ctx : This structure has the pointer to display_mode_lib_st .
* @ pipe_cnt : DML functions to obtain RQ , TTu and DLG params need a pipe_index .
* This helps provide pipe_index in the pipe_cnt loop .
*
*
* Return : None .
*/
void 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);
/*
* dml2_apply_det_buffer_allocation_policy - This function will determine the DET Buffer size
* and return the number of streams .
* @ dml2 : Handle for dml2 context
* @ dml_dispcfg : dml_dispcfg is the DML2 struct representing the current display config
* Return : None .
*/
void dml2_apply_det_buffer_allocation_policy(struct dml2_context *in_ctx, struct dml_display_cfg_st *dml_dispcfg);
/*
* dml2_verify_det_buffer_configuration - This function will verify if the allocated DET buffer exceeds
* the total available DET size available and outputs a boolean to indicate if recalulation is needed .
* @ dml2 : Handle for dml2 context
* @ dml_dispcfg : dml_dispcfg is the DML2 struct representing the current display config
* @ struct dml2_helper_det_policy_scratch : Pointer to DET helper scratch
* Return : returns true if recalculation is required , false otherwise .
*/
bool dml2_verify_det_buffer_configuration(struct dml2_context *in_ctx, struct dc_state *display_state, struct dml2_helper_det_policy_scratch *det_scratch);
/*
* dml2_initialize_det_scratch - This function will initialize the DET scratch space as per requirements .
* @ dml2 : Handle for dml2 context
* Return : None
*/
void dml2_initialize_det_scratch(struct dml2_context *in_ctx);
#endif
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