642 lines
19 KiB
C
642 lines
19 KiB
C
/*
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* Copyright 2016 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#include "dc.h"
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#include "reg_helper.h"
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#include "dcn10_dpp.h"
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#include "dcn10_cm_common.h"
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#include "custom_float.h"
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#define REG(reg) reg
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#define CTX \
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ctx
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#undef FN
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#define FN(reg_name, field_name) \
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reg->shifts.field_name, reg->masks.field_name
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void cm_helper_program_color_matrices(
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struct dc_context *ctx,
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const uint16_t *regval,
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const struct color_matrices_reg *reg)
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{
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uint32_t cur_csc_reg;
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unsigned int i = 0;
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for (cur_csc_reg = reg->csc_c11_c12;
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cur_csc_reg <= reg->csc_c33_c34;
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cur_csc_reg++) {
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const uint16_t *regval0 = &(regval[2 * i]);
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const uint16_t *regval1 = &(regval[(2 * i) + 1]);
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REG_SET_2(cur_csc_reg, 0,
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csc_c11, *regval0,
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csc_c12, *regval1);
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i++;
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}
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}
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void cm_helper_program_xfer_func(
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struct dc_context *ctx,
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const struct pwl_params *params,
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const struct xfer_func_reg *reg)
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{
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uint32_t reg_region_cur;
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unsigned int i = 0;
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REG_SET_2(reg->start_cntl_b, 0,
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exp_region_start, params->corner_points[0].blue.custom_float_x,
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exp_resion_start_segment, 0);
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REG_SET_2(reg->start_cntl_g, 0,
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exp_region_start, params->corner_points[0].green.custom_float_x,
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exp_resion_start_segment, 0);
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REG_SET_2(reg->start_cntl_r, 0,
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exp_region_start, params->corner_points[0].red.custom_float_x,
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exp_resion_start_segment, 0);
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REG_SET(reg->start_slope_cntl_b, 0,
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field_region_linear_slope, params->corner_points[0].blue.custom_float_slope);
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REG_SET(reg->start_slope_cntl_g, 0,
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field_region_linear_slope, params->corner_points[0].green.custom_float_slope);
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REG_SET(reg->start_slope_cntl_r, 0,
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field_region_linear_slope, params->corner_points[0].red.custom_float_slope);
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REG_SET(reg->start_end_cntl1_b, 0,
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field_region_end, params->corner_points[1].blue.custom_float_x);
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REG_SET_2(reg->start_end_cntl2_b, 0,
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field_region_end_slope, params->corner_points[1].blue.custom_float_slope,
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field_region_end_base, params->corner_points[1].blue.custom_float_y);
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REG_SET(reg->start_end_cntl1_g, 0,
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field_region_end, params->corner_points[1].green.custom_float_x);
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REG_SET_2(reg->start_end_cntl2_g, 0,
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field_region_end_slope, params->corner_points[1].green.custom_float_slope,
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field_region_end_base, params->corner_points[1].green.custom_float_y);
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REG_SET(reg->start_end_cntl1_r, 0,
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field_region_end, params->corner_points[1].red.custom_float_x);
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REG_SET_2(reg->start_end_cntl2_r, 0,
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field_region_end_slope, params->corner_points[1].red.custom_float_slope,
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field_region_end_base, params->corner_points[1].red.custom_float_y);
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for (reg_region_cur = reg->region_start;
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reg_region_cur <= reg->region_end;
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reg_region_cur++) {
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const struct gamma_curve *curve0 = &(params->arr_curve_points[2 * i]);
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const struct gamma_curve *curve1 = &(params->arr_curve_points[(2 * i) + 1]);
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REG_SET_4(reg_region_cur, 0,
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exp_region0_lut_offset, curve0->offset,
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exp_region0_num_segments, curve0->segments_num,
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exp_region1_lut_offset, curve1->offset,
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exp_region1_num_segments, curve1->segments_num);
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i++;
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}
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}
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bool cm_helper_convert_to_custom_float(
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struct pwl_result_data *rgb_resulted,
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struct curve_points3 *corner_points,
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uint32_t hw_points_num,
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bool fixpoint)
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{
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struct custom_float_format fmt;
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struct pwl_result_data *rgb = rgb_resulted;
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uint32_t i = 0;
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fmt.exponenta_bits = 6;
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fmt.mantissa_bits = 12;
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fmt.sign = false;
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/* corner_points[0] - beginning base, slope offset for R,G,B
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* corner_points[1] - end base, slope offset for R,G,B
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*/
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if (!convert_to_custom_float_format(corner_points[0].red.x, &fmt,
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&corner_points[0].red.custom_float_x)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[0].green.x, &fmt,
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&corner_points[0].green.custom_float_x)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[0].blue.x, &fmt,
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&corner_points[0].blue.custom_float_x)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[0].red.offset, &fmt,
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&corner_points[0].red.custom_float_offset)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[0].green.offset, &fmt,
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&corner_points[0].green.custom_float_offset)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[0].blue.offset, &fmt,
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&corner_points[0].blue.custom_float_offset)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[0].red.slope, &fmt,
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&corner_points[0].red.custom_float_slope)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[0].green.slope, &fmt,
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&corner_points[0].green.custom_float_slope)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[0].blue.slope, &fmt,
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&corner_points[0].blue.custom_float_slope)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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fmt.mantissa_bits = 10;
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fmt.sign = false;
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if (!convert_to_custom_float_format(corner_points[1].red.x, &fmt,
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&corner_points[1].red.custom_float_x)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[1].green.x, &fmt,
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&corner_points[1].green.custom_float_x)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[1].blue.x, &fmt,
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&corner_points[1].blue.custom_float_x)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (fixpoint == true) {
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corner_points[1].red.custom_float_y =
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dc_fixpt_clamp_u0d14(corner_points[1].red.y);
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corner_points[1].green.custom_float_y =
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dc_fixpt_clamp_u0d14(corner_points[1].green.y);
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corner_points[1].blue.custom_float_y =
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dc_fixpt_clamp_u0d14(corner_points[1].blue.y);
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} else {
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if (!convert_to_custom_float_format(corner_points[1].red.y,
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&fmt, &corner_points[1].red.custom_float_y)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[1].green.y,
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&fmt, &corner_points[1].green.custom_float_y)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[1].blue.y,
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&fmt, &corner_points[1].blue.custom_float_y)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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}
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if (!convert_to_custom_float_format(corner_points[1].red.slope, &fmt,
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&corner_points[1].red.custom_float_slope)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[1].green.slope, &fmt,
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&corner_points[1].green.custom_float_slope)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(corner_points[1].blue.slope, &fmt,
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&corner_points[1].blue.custom_float_slope)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (hw_points_num == 0 || rgb_resulted == NULL || fixpoint == true)
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return true;
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fmt.mantissa_bits = 12;
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fmt.sign = true;
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while (i != hw_points_num) {
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if (!convert_to_custom_float_format(rgb->red, &fmt,
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&rgb->red_reg)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(rgb->green, &fmt,
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&rgb->green_reg)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(rgb->blue, &fmt,
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&rgb->blue_reg)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(rgb->delta_red, &fmt,
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&rgb->delta_red_reg)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(rgb->delta_green, &fmt,
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&rgb->delta_green_reg)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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if (!convert_to_custom_float_format(rgb->delta_blue, &fmt,
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&rgb->delta_blue_reg)) {
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BREAK_TO_DEBUGGER();
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return false;
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}
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++rgb;
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++i;
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}
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return true;
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}
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/* driver uses 32 regions or less, but DCN HW has 34, extra 2 are set to 0 */
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#define MAX_REGIONS_NUMBER 34
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#define MAX_LOW_POINT 25
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#define NUMBER_REGIONS 32
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#define NUMBER_SW_SEGMENTS 16
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bool cm_helper_translate_curve_to_hw_format(
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const struct dc_transfer_func *output_tf,
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struct pwl_params *lut_params, bool fixpoint)
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{
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struct curve_points3 *corner_points;
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struct pwl_result_data *rgb_resulted;
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struct pwl_result_data *rgb;
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struct pwl_result_data *rgb_plus_1;
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int32_t region_start, region_end;
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int32_t i;
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uint32_t j, k, seg_distr[MAX_REGIONS_NUMBER], increment, start_index, hw_points;
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if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
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return false;
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PERF_TRACE_CTX(output_tf->ctx);
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corner_points = lut_params->corner_points;
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rgb_resulted = lut_params->rgb_resulted;
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hw_points = 0;
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memset(lut_params, 0, sizeof(struct pwl_params));
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memset(seg_distr, 0, sizeof(seg_distr));
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if (output_tf->tf == TRANSFER_FUNCTION_PQ || output_tf->tf == TRANSFER_FUNCTION_GAMMA22) {
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/* 32 segments
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* segments are from 2^-25 to 2^7
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*/
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for (i = 0; i < NUMBER_REGIONS ; i++)
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seg_distr[i] = 3;
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region_start = -MAX_LOW_POINT;
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region_end = NUMBER_REGIONS - MAX_LOW_POINT;
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} else {
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/* 11 segments
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* segment is from 2^-10 to 2^1
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* There are less than 256 points, for optimization
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*/
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seg_distr[0] = 3;
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seg_distr[1] = 4;
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seg_distr[2] = 4;
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seg_distr[3] = 4;
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seg_distr[4] = 4;
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seg_distr[5] = 4;
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seg_distr[6] = 4;
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seg_distr[7] = 4;
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seg_distr[8] = 4;
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seg_distr[9] = 4;
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seg_distr[10] = 1;
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region_start = -10;
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region_end = 1;
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}
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for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++)
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seg_distr[i] = -1;
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for (k = 0; k < MAX_REGIONS_NUMBER; k++) {
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if (seg_distr[k] != -1)
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hw_points += (1 << seg_distr[k]);
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}
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j = 0;
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for (k = 0; k < (region_end - region_start); k++) {
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increment = NUMBER_SW_SEGMENTS / (1 << seg_distr[k]);
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start_index = (region_start + k + MAX_LOW_POINT) *
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NUMBER_SW_SEGMENTS;
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for (i = start_index; i < start_index + NUMBER_SW_SEGMENTS;
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i += increment) {
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if (j == hw_points - 1)
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break;
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rgb_resulted[j].red = output_tf->tf_pts.red[i];
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rgb_resulted[j].green = output_tf->tf_pts.green[i];
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rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
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j++;
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}
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}
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/* last point */
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start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
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rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
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rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
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rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
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rgb_resulted[hw_points].red = rgb_resulted[hw_points - 1].red;
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rgb_resulted[hw_points].green = rgb_resulted[hw_points - 1].green;
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rgb_resulted[hw_points].blue = rgb_resulted[hw_points - 1].blue;
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// All 3 color channels have same x
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corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
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dc_fixpt_from_int(region_start));
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corner_points[0].green.x = corner_points[0].red.x;
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corner_points[0].blue.x = corner_points[0].red.x;
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corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
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dc_fixpt_from_int(region_end));
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corner_points[1].green.x = corner_points[1].red.x;
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corner_points[1].blue.x = corner_points[1].red.x;
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corner_points[0].red.y = rgb_resulted[0].red;
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corner_points[0].green.y = rgb_resulted[0].green;
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corner_points[0].blue.y = rgb_resulted[0].blue;
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corner_points[0].red.slope = dc_fixpt_div(corner_points[0].red.y,
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corner_points[0].red.x);
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corner_points[0].green.slope = dc_fixpt_div(corner_points[0].green.y,
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corner_points[0].green.x);
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corner_points[0].blue.slope = dc_fixpt_div(corner_points[0].blue.y,
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corner_points[0].blue.x);
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/* see comment above, m_arrPoints[1].y should be the Y value for the
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* region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
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*/
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corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
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corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
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corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
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corner_points[1].red.slope = dc_fixpt_zero;
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corner_points[1].green.slope = dc_fixpt_zero;
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corner_points[1].blue.slope = dc_fixpt_zero;
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if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
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/* for PQ, we want to have a straight line from last HW X point,
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* and the slope to be such that we hit 1.0 at 10000 nits.
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*/
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const struct fixed31_32 end_value =
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dc_fixpt_from_int(125);
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corner_points[1].red.slope = dc_fixpt_div(
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dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
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dc_fixpt_sub(end_value, corner_points[1].red.x));
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corner_points[1].green.slope = dc_fixpt_div(
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dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
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dc_fixpt_sub(end_value, corner_points[1].green.x));
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corner_points[1].blue.slope = dc_fixpt_div(
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dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
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dc_fixpt_sub(end_value, corner_points[1].blue.x));
|
|
}
|
|
|
|
lut_params->hw_points_num = hw_points;
|
|
|
|
k = 0;
|
|
for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
|
|
if (seg_distr[k] != -1) {
|
|
lut_params->arr_curve_points[k].segments_num =
|
|
seg_distr[k];
|
|
lut_params->arr_curve_points[i].offset =
|
|
lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
|
|
}
|
|
k++;
|
|
}
|
|
|
|
if (seg_distr[k] != -1)
|
|
lut_params->arr_curve_points[k].segments_num = seg_distr[k];
|
|
|
|
rgb = rgb_resulted;
|
|
rgb_plus_1 = rgb_resulted + 1;
|
|
|
|
i = 1;
|
|
while (i != hw_points + 1) {
|
|
rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
|
|
rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
|
|
rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
|
|
|
|
if (fixpoint == true) {
|
|
rgb->delta_red_reg = dc_fixpt_clamp_u0d10(rgb->delta_red);
|
|
rgb->delta_green_reg = dc_fixpt_clamp_u0d10(rgb->delta_green);
|
|
rgb->delta_blue_reg = dc_fixpt_clamp_u0d10(rgb->delta_blue);
|
|
rgb->red_reg = dc_fixpt_clamp_u0d14(rgb->red);
|
|
rgb->green_reg = dc_fixpt_clamp_u0d14(rgb->green);
|
|
rgb->blue_reg = dc_fixpt_clamp_u0d14(rgb->blue);
|
|
}
|
|
|
|
++rgb_plus_1;
|
|
++rgb;
|
|
++i;
|
|
}
|
|
cm_helper_convert_to_custom_float(rgb_resulted,
|
|
lut_params->corner_points,
|
|
hw_points, fixpoint);
|
|
|
|
return true;
|
|
}
|
|
|
|
#define NUM_DEGAMMA_REGIONS 12
|
|
|
|
|
|
bool cm_helper_translate_curve_to_degamma_hw_format(
|
|
const struct dc_transfer_func *output_tf,
|
|
struct pwl_params *lut_params)
|
|
{
|
|
struct curve_points3 *corner_points;
|
|
struct pwl_result_data *rgb_resulted;
|
|
struct pwl_result_data *rgb;
|
|
struct pwl_result_data *rgb_plus_1;
|
|
|
|
int32_t region_start, region_end;
|
|
int32_t i;
|
|
uint32_t j, k, seg_distr[MAX_REGIONS_NUMBER], increment, start_index, hw_points;
|
|
|
|
if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
|
|
return false;
|
|
|
|
PERF_TRACE_CTX(output_tf->ctx);
|
|
|
|
corner_points = lut_params->corner_points;
|
|
rgb_resulted = lut_params->rgb_resulted;
|
|
hw_points = 0;
|
|
|
|
memset(lut_params, 0, sizeof(struct pwl_params));
|
|
memset(seg_distr, 0, sizeof(seg_distr));
|
|
|
|
region_start = -NUM_DEGAMMA_REGIONS;
|
|
region_end = 0;
|
|
|
|
|
|
for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++)
|
|
seg_distr[i] = -1;
|
|
/* 12 segments
|
|
* segments are from 2^-12 to 0
|
|
*/
|
|
for (i = 0; i < NUM_DEGAMMA_REGIONS ; i++)
|
|
seg_distr[i] = 4;
|
|
|
|
for (k = 0; k < MAX_REGIONS_NUMBER; k++) {
|
|
if (seg_distr[k] != -1)
|
|
hw_points += (1 << seg_distr[k]);
|
|
}
|
|
|
|
j = 0;
|
|
for (k = 0; k < (region_end - region_start); k++) {
|
|
increment = NUMBER_SW_SEGMENTS / (1 << seg_distr[k]);
|
|
start_index = (region_start + k + MAX_LOW_POINT) *
|
|
NUMBER_SW_SEGMENTS;
|
|
for (i = start_index; i < start_index + NUMBER_SW_SEGMENTS;
|
|
i += increment) {
|
|
if (j == hw_points - 1)
|
|
break;
|
|
rgb_resulted[j].red = output_tf->tf_pts.red[i];
|
|
rgb_resulted[j].green = output_tf->tf_pts.green[i];
|
|
rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
|
|
j++;
|
|
}
|
|
}
|
|
|
|
/* last point */
|
|
start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
|
|
rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
|
|
rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
|
|
rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
|
|
|
|
rgb_resulted[hw_points].red = rgb_resulted[hw_points - 1].red;
|
|
rgb_resulted[hw_points].green = rgb_resulted[hw_points - 1].green;
|
|
rgb_resulted[hw_points].blue = rgb_resulted[hw_points - 1].blue;
|
|
|
|
corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
|
|
dc_fixpt_from_int(region_start));
|
|
corner_points[0].green.x = corner_points[0].red.x;
|
|
corner_points[0].blue.x = corner_points[0].red.x;
|
|
corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
|
|
dc_fixpt_from_int(region_end));
|
|
corner_points[1].green.x = corner_points[1].red.x;
|
|
corner_points[1].blue.x = corner_points[1].red.x;
|
|
|
|
corner_points[0].red.y = rgb_resulted[0].red;
|
|
corner_points[0].green.y = rgb_resulted[0].green;
|
|
corner_points[0].blue.y = rgb_resulted[0].blue;
|
|
|
|
/* see comment above, m_arrPoints[1].y should be the Y value for the
|
|
* region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
|
|
*/
|
|
corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
|
|
corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
|
|
corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
|
|
corner_points[1].red.slope = dc_fixpt_zero;
|
|
corner_points[1].green.slope = dc_fixpt_zero;
|
|
corner_points[1].blue.slope = dc_fixpt_zero;
|
|
|
|
if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
|
|
/* for PQ, we want to have a straight line from last HW X point,
|
|
* and the slope to be such that we hit 1.0 at 10000 nits.
|
|
*/
|
|
const struct fixed31_32 end_value =
|
|
dc_fixpt_from_int(125);
|
|
|
|
corner_points[1].red.slope = dc_fixpt_div(
|
|
dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
|
|
dc_fixpt_sub(end_value, corner_points[1].red.x));
|
|
corner_points[1].green.slope = dc_fixpt_div(
|
|
dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
|
|
dc_fixpt_sub(end_value, corner_points[1].green.x));
|
|
corner_points[1].blue.slope = dc_fixpt_div(
|
|
dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
|
|
dc_fixpt_sub(end_value, corner_points[1].blue.x));
|
|
}
|
|
|
|
lut_params->hw_points_num = hw_points;
|
|
|
|
k = 0;
|
|
for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
|
|
if (seg_distr[k] != -1) {
|
|
lut_params->arr_curve_points[k].segments_num =
|
|
seg_distr[k];
|
|
lut_params->arr_curve_points[i].offset =
|
|
lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
|
|
}
|
|
k++;
|
|
}
|
|
|
|
if (seg_distr[k] != -1)
|
|
lut_params->arr_curve_points[k].segments_num = seg_distr[k];
|
|
|
|
rgb = rgb_resulted;
|
|
rgb_plus_1 = rgb_resulted + 1;
|
|
|
|
i = 1;
|
|
while (i != hw_points + 1) {
|
|
rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
|
|
rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
|
|
rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
|
|
|
|
++rgb_plus_1;
|
|
++rgb;
|
|
++i;
|
|
}
|
|
cm_helper_convert_to_custom_float(rgb_resulted,
|
|
lut_params->corner_points,
|
|
hw_points, false);
|
|
|
|
return true;
|
|
}
|