linux/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c

/*
 * Copyright 2020 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.
 *
 * Authors: AMD
 *
 */

#include "../display_mode_lib.h"
#include "../display_mode_vba.h"
#include "../dml_inline_defs.h"
#include "display_rq_dlg_calc_30.h"
#include "display_mode_vba_30.h"

static bool is_dual_plane(enum source_format_class source_format)
{ … }

static double get_refcyc_per_delivery(struct display_mode_lib *mode_lib,
	double refclk_freq_in_mhz,
	double pclk_freq_in_mhz,
	unsigned int odm_combine,
	unsigned int recout_width,
	unsigned int hactive,
	double vratio,
	double hscale_pixel_rate,
	unsigned int delivery_width,
	unsigned int req_per_swath_ub)
{ … }

static unsigned int get_blk_size_bytes(const enum source_macro_tile_size tile_size)
{ … }

static void extract_rq_sizing_regs(struct display_mode_lib *mode_lib,
	display_data_rq_regs_st *rq_regs,
	const display_data_rq_sizing_params_st *rq_sizing)
{ … }

static void extract_rq_regs(struct display_mode_lib *mode_lib,
	display_rq_regs_st *rq_regs,
	const display_rq_params_st *rq_param)
{ … }

static void handle_det_buf_split(struct display_mode_lib *mode_lib,
	display_rq_params_st *rq_param,
	const display_pipe_source_params_st *pipe_src_param)
{ … }

static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
	display_data_rq_dlg_params_st *rq_dlg_param,
	display_data_rq_misc_params_st *rq_misc_param,
	display_data_rq_sizing_params_st *rq_sizing_param,
	unsigned int vp_width,
	unsigned int vp_height,
	unsigned int data_pitch,
	unsigned int meta_pitch,
	unsigned int source_format,
	unsigned int tiling,
	unsigned int macro_tile_size,
	unsigned int source_scan,
	unsigned int hostvm_enable,
	unsigned int is_chroma,
	unsigned int surface_height)
{ … }

static void get_surf_rq_param(struct display_mode_lib *mode_lib,
	display_data_rq_sizing_params_st *rq_sizing_param,
	display_data_rq_dlg_params_st *rq_dlg_param,
	display_data_rq_misc_params_st *rq_misc_param,
	const display_pipe_params_st *pipe_param,
	bool is_chroma,
	bool is_alpha)
{ … }

static void dml_rq_dlg_get_rq_params(struct display_mode_lib *mode_lib,
	display_rq_params_st *rq_param,
	const display_pipe_params_st *pipe_param)
{ … }

void dml30_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
	display_rq_regs_st *rq_regs,
	const display_pipe_params_st *pipe_param)
{ … }

static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
	double *refcyc_per_req_delivery_pre_cur,
	double *refcyc_per_req_delivery_cur,
	double refclk_freq_in_mhz,
	double ref_freq_to_pix_freq,
	double hscale_pixel_rate_l,
	double hscl_ratio,
	double vratio_pre_l,
	double vratio_l,
	unsigned int cur_width,
	enum cursor_bpp cur_bpp)
{ … }

// Note: currently taken in as is.
// Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
static void dml_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
	const display_e2e_pipe_params_st *e2e_pipe_param,
	const unsigned int num_pipes,
	const unsigned int pipe_idx,
	display_dlg_regs_st *disp_dlg_regs,
	display_ttu_regs_st *disp_ttu_regs,
	const display_rq_dlg_params_st rq_dlg_param,
	const display_dlg_sys_params_st dlg_sys_param,
	const bool cstate_en,
	const bool pstate_en,
	const bool vm_en,
	const bool ignore_viewport_pos,
	const bool immediate_flip_support)
{ … }

void dml30_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
	display_dlg_regs_st *dlg_regs,
	display_ttu_regs_st *ttu_regs,
	const display_e2e_pipe_params_st *e2e_pipe_param,
	const unsigned int num_pipes,
	const unsigned int pipe_idx,
	const bool cstate_en,
	const bool pstate_en,
	const bool vm_en,
	const bool ignore_viewport_pos,
	const bool immediate_flip_support)
{ … }