linux/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.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 "dm_services.h"
#include "core_types.h"
#include "reg_helper.h"
#include "dcn30/dcn30_dpp.h"
#include "basics/conversion.h"
#include "dcn30_cm_common.h"
#include "custom_float.h"

#define REG(reg) …

#define CTX …

#undef FN
#define FN(reg_name, field_name) …

void cm_helper_program_gamcor_xfer_func(
		struct dc_context *ctx,
		const struct pwl_params *params,
		const struct dcn3_xfer_func_reg *reg)
{ … }

/* driver uses 32 regions or less, but DCN HW has 34, extra 2 are set to 0 */
#define MAX_REGIONS_NUMBER …
#define MAX_LOW_POINT …
#define NUMBER_REGIONS …
#define NUMBER_SW_SEGMENTS …

bool cm3_helper_translate_curve_to_hw_format(
				const struct dc_transfer_func *output_tf,
				struct pwl_params *lut_params, bool fixpoint)
{ … }

#define NUM_DEGAMMA_REGIONS …


bool cm3_helper_translate_curve_to_degamma_hw_format(
				const struct dc_transfer_func *output_tf,
				struct pwl_params *lut_params)
{ … }

bool cm3_helper_convert_to_custom_float(
		struct pwl_result_data *rgb_resulted,
		struct curve_points3 *corner_points,
		uint32_t hw_points_num,
		bool fixpoint)
{ … }

bool is_rgb_equal(const struct pwl_result_data *rgb, uint32_t num)
{ … }