diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h new file mode 100644 index 0000000000..23b9028337 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h @@ -0,0 +1,144 @@ +/* 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); +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(struct dc_stream_state *stream); + +/* + * 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 |