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Quelle dcn_calc_auto.c
Sprache: C
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/*
* Copyright 2017 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 "dcn_calc_auto.h"
#include "dcn_calc_math.h"
/*
* NOTE:
* This file is gcc-parseable HW gospel, coming straight from HW engineers.
*
* It doesn't adhere to Linux kernel style and sometimes will do things in odd
* ways. Unless there is something clearly wrong with it the code should
* remain as-is as it provides us with a guarantee from HW that it is correct.
*/
/*REVISION#250*/
void scaler_settings_calculation(struct dcn_bw_internal_vars *v)
{
int k;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->allow_different_hratio_vratio == dcn_bw_yes) {
if (v->source_scan[k] == dcn_bw_hor) {
v->h_ratio[k] = v->viewport_width[k] / v->scaler_rec_out_width[k];
v->v_ratio[k] = v->viewport_height[k] / v->scaler_recout_height[k];
}
else {
v->h_ratio[k] = v->viewport_height[k] / v->scaler_rec_out_width[k];
v->v_ratio[k] = v->viewport_width[k] / v->scaler_recout_height[k];
}
}
else {
if (v->source_scan[k] == dcn_bw_hor) {
v->h_ratio[k] =dcn_bw_max2(v->viewport_width[k] / v->scaler_rec_out_width[k], v->viewport_height[k] / v->scaler_recout_height[k]);
}
else {
v->h_ratio[k] =dcn_bw_max2(v->viewport_height[k] / v->scaler_rec_out_width[k], v->viewport_width[k] / v->scaler_recout_height[k]);
}
v->v_ratio[k] = v->h_ratio[k];
}
if (v->interlace_output[k] == 1.0) {
v->v_ratio[k] = 2.0 * v->v_ratio[k];
}
if (v->underscan_output[k] == 1.0) {
v->h_ratio[k] = v->h_ratio[k] * v->under_scan_factor;
v->v_ratio[k] = v->v_ratio[k] * v->under_scan_factor;
}
}
/*scaler taps calculation*/
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->h_ratio[k] > 1.0) {
v->acceptable_quality_hta_ps =dcn_bw_min2(v->max_hscl_taps, 2.0 *dcn_bw_ceil2(v->h_ratio[k], 1.0));
}
else if (v->h_ratio[k] < 1.0) {
v->acceptable_quality_hta_ps = 4.0;
}
else {
v->acceptable_quality_hta_ps = 1.0;
}
if (v->ta_pscalculation == dcn_bw_override) {
v->htaps[k] = v->override_hta_ps[k];
}
else {
v->htaps[k] = v->acceptable_quality_hta_ps;
}
if (v->v_ratio[k] > 1.0) {
v->acceptable_quality_vta_ps =dcn_bw_min2(v->max_vscl_taps, 2.0 *dcn_bw_ceil2(v->v_ratio[k], 1.0));
}
else if (v->v_ratio[k] < 1.0) {
v->acceptable_quality_vta_ps = 4.0;
}
else {
v->acceptable_quality_vta_ps = 1.0;
}
if (v->ta_pscalculation == dcn_bw_override) {
v->vtaps[k] = v->override_vta_ps[k];
}
else {
v->vtaps[k] = v->acceptable_quality_vta_ps;
}
if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64 || v->source_pixel_format[k] == dcn_bw_rgb_sub_32 || v->source_pixel_format[k] == dcn_bw_rgb_sub_16) {
v->vta_pschroma[k] = 0.0;
v->hta_pschroma[k] = 0.0;
}
else {
if (v->ta_pscalculation == dcn_bw_override) {
v->vta_pschroma[k] = v->override_vta_pschroma[k];
v->hta_pschroma[k] = v->override_hta_pschroma[k];
}
else {
v->vta_pschroma[k] = v->acceptable_quality_vta_ps;
v->hta_pschroma[k] = v->acceptable_quality_hta_ps;
}
}
}
}
void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v)
{
int i;
int j;
int k;
/*mode support, voltage state and soc configuration*/
/*scale ratio support check*/
v->scale_ratio_support = dcn_bw_yes;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->h_ratio[k] > v->max_hscl_ratio || v->v_ratio[k] > v->max_vscl_ratio || v->h_ratio[k] > v->htaps[k] || v->v_ratio[k] > v->vtaps[k] || (v->source_pixel_format[k] != dcn_bw_rgb_sub_64 && v->source_pixel_format[k] != dcn_bw_rgb_sub_32 && v->source_pixel_format[k] != dcn_bw_rgb_sub_16 && (v->h_ratio[k] / 2.0 > v->hta_pschroma[k] || v->v_ratio[k] / 2.0 > v->vta_pschroma[k]))) {
v->scale_ratio_support = dcn_bw_no;
}
}
/*source format, pixel format and scan support check*/
v->source_format_pixel_and_scan_support = dcn_bw_yes;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if ((v->source_surface_mode[k] == dcn_bw_sw_linear && v->source_scan[k] != dcn_bw_hor) || ((v->source_surface_mode[k] == dcn_bw_sw_4_kb_d || v->source_surface_mode[k] == dcn_bw_sw_4_kb_d_x || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d_t || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d_x || v->source_surface_mode[k] == dcn_bw_sw_var_d || v->source_surface_mode[k] == dcn_bw_sw_var_d_x) && v->source_pixel_format[k] != dcn_bw_rgb_sub_64)) {
v->source_format_pixel_and_scan_support = dcn_bw_no;
}
}
/*bandwidth support check*/
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->source_scan[k] == dcn_bw_hor) {
v->swath_width_ysingle_dpp[k] = v->viewport_width[k];
}
else {
v->swath_width_ysingle_dpp[k] = v->viewport_height[k];
}
if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
v->byte_per_pixel_in_dety[k] = 8.0;
v->byte_per_pixel_in_detc[k] = 0.0;
}
else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_32) {
v->byte_per_pixel_in_dety[k] = 4.0;
v->byte_per_pixel_in_detc[k] = 0.0;
}
else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_16) {
v->byte_per_pixel_in_dety[k] = 2.0;
v->byte_per_pixel_in_detc[k] = 0.0;
}
else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
v->byte_per_pixel_in_dety[k] = 1.0;
v->byte_per_pixel_in_detc[k] = 2.0;
}
else {
v->byte_per_pixel_in_dety[k] = 4.0f / 3.0f;
v->byte_per_pixel_in_detc[k] = 8.0f / 3.0f;
}
}
v->total_read_bandwidth_consumed_gbyte_per_second = 0.0;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
v->read_bandwidth[k] = v->swath_width_ysingle_dpp[k] * (dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) * v->v_ratio[k] +dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / 2.0 * v->v_ratio[k] / 2) / (v->htotal[k] / v->pixel_clock[k]);
if (v->dcc_enable[k] == dcn_bw_yes) {
v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 256);
}
if (v->pte_enable == dcn_bw_yes && v->source_scan[k] != dcn_bw_hor && (v->source_surface_mode[k] == dcn_bw_sw_4_kb_s || v->source_surface_mode[k] == dcn_bw_sw_4_kb_s_x || v->source_surface_mode[k] == dcn_bw_sw_4_kb_d || v->source_surface_mode[k] == dcn_bw_sw_4_kb_d_x)) {
v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 64);
}
else if (v->pte_enable == dcn_bw_yes && v->source_scan[k] == dcn_bw_hor && (v->source_pixel_format[k] == dcn_bw_rgb_sub_64 || v->source_pixel_format[k] == dcn_bw_rgb_sub_32) && (v->source_surface_mode[k] == dcn_bw_sw_64_kb_s || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s_t || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s_x || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d_t || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d_x)) {
v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 256);
}
else if (v->pte_enable == dcn_bw_yes) {
v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 512);
}
v->total_read_bandwidth_consumed_gbyte_per_second = v->total_read_bandwidth_consumed_gbyte_per_second + v->read_bandwidth[k] / 1000.0;
}
v->total_write_bandwidth_consumed_gbyte_per_second = 0.0;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->output[k] == dcn_bw_writeback && v->output_format[k] == dcn_bw_444) {
v->write_bandwidth[k] = v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 4.0;
}
else if (v->output[k] == dcn_bw_writeback) {
v->write_bandwidth[k] = v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 1.5;
}
else {
v->write_bandwidth[k] = 0.0;
}
v->total_write_bandwidth_consumed_gbyte_per_second = v->total_write_bandwidth_consumed_gbyte_per_second + v->write_bandwidth[k] / 1000.0;
}
v->total_bandwidth_consumed_gbyte_per_second = v->total_read_bandwidth_consumed_gbyte_per_second + v->total_write_bandwidth_consumed_gbyte_per_second;
v->dcc_enabled_in_any_plane = dcn_bw_no;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->dcc_enable[k] == dcn_bw_yes) {
v->dcc_enabled_in_any_plane = dcn_bw_yes;
}
}
for (i = 0; i <= number_of_states_plus_one; i++) {
v->return_bw_todcn_per_state =dcn_bw_min2(v->return_bus_width * v->dcfclk_per_state[i], v->fabric_and_dram_bandwidth_per_state[i] * 1000.0 * v->percent_of_ideal_drambw_received_after_urg_latency / 100.0);
v->return_bw_per_state[i] = v->return_bw_todcn_per_state;
if (v->dcc_enabled_in_any_plane == dcn_bw_yes && v->return_bw_todcn_per_state > v->dcfclk_per_state[i] * v->return_bus_width / 4.0) {
v->return_bw_per_state[i] =dcn_bw_min2(v->return_bw_per_state[i], v->return_bw_todcn_per_state * 4.0 * (1.0 - v->urgent_latency / ((v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 / (v->return_bw_todcn_per_state - v->dcfclk_per_state[i] * v->return_bus_width / 4.0) + v->urgent_latency)));
}
v->critical_point = 2.0 * v->return_bus_width * v->dcfclk_per_state[i] * v->urgent_latency / (v->return_bw_todcn_per_state * v->urgent_latency + (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0);
if (v->dcc_enabled_in_any_plane == dcn_bw_yes && v->critical_point > 1.0 && v->critical_point < 4.0) {
v->return_bw_per_state[i] =dcn_bw_min2(v->return_bw_per_state[i], dcn_bw_pow(4.0 * v->return_bw_todcn_per_state * (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 * v->return_bus_width * v->dcfclk_per_state[i] * v->urgent_latency / (v->return_bw_todcn_per_state * v->urgent_latency + (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0), 2));
}
v->return_bw_todcn_per_state =dcn_bw_min2(v->return_bus_width * v->dcfclk_per_state[i], v->fabric_and_dram_bandwidth_per_state[i] * 1000.0);
if (v->dcc_enabled_in_any_plane == dcn_bw_yes && v->return_bw_todcn_per_state > v->dcfclk_per_state[i] * v->return_bus_width / 4.0) {
v->return_bw_per_state[i] =dcn_bw_min2(v->return_bw_per_state[i], v->return_bw_todcn_per_state * 4.0 * (1.0 - v->urgent_latency / ((v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 / (v->return_bw_todcn_per_state - v->dcfclk_per_state[i] * v->return_bus_width / 4.0) + v->urgent_latency)));
}
v->critical_point = 2.0 * v->return_bus_width * v->dcfclk_per_state[i] * v->urgent_latency / (v->return_bw_todcn_per_state * v->urgent_latency + (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0);
if (v->dcc_enabled_in_any_plane == dcn_bw_yes && v->critical_point > 1.0 && v->critical_point < 4.0) {
v->return_bw_per_state[i] =dcn_bw_min2(v->return_bw_per_state[i], dcn_bw_pow(4.0 * v->return_bw_todcn_per_state * (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 * v->return_bus_width * v->dcfclk_per_state[i] * v->urgent_latency / (v->return_bw_todcn_per_state * v->urgent_latency + (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0), 2));
}
}
for (i = 0; i <= number_of_states_plus_one; i++) {
if ((v->total_read_bandwidth_consumed_gbyte_per_second * 1000.0 <= v->return_bw_per_state[i]) && (v->total_bandwidth_consumed_gbyte_per_second * 1000.0 <= v->fabric_and_dram_bandwidth_per_state[i] * 1000.0 * v->percent_of_ideal_drambw_received_after_urg_latency / 100.0)) {
v->bandwidth_support[i] = dcn_bw_yes;
}
else {
v->bandwidth_support[i] = dcn_bw_no;
}
}
/*writeback latency support check*/
v->writeback_latency_support = dcn_bw_yes;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->output[k] == dcn_bw_writeback && v->output_format[k] == dcn_bw_444 && v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 4.0 > (v->writeback_luma_buffer_size + v->writeback_chroma_buffer_size) * 1024.0 / v->write_back_latency) {
v->writeback_latency_support = dcn_bw_no;
}
else if (v->output[k] == dcn_bw_writeback && v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) >dcn_bw_min2(v->writeback_luma_buffer_size, 2.0 * v->writeback_chroma_buffer_size) * 1024.0 / v->write_back_latency) {
v->writeback_latency_support = dcn_bw_no;
}
}
/*re-ordering buffer support check*/
for (i = 0; i <= number_of_states_plus_one; i++) {
v->urgent_round_trip_and_out_of_order_latency_per_state[i] = (v->round_trip_ping_latency_cycles + 32.0) / v->dcfclk_per_state[i] + v->urgent_out_of_order_return_per_channel * v->number_of_channels / v->return_bw_per_state[i];
if ((v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 / v->return_bw_per_state[i] > v->urgent_round_trip_and_out_of_order_latency_per_state[i]) {
v->rob_support[i] = dcn_bw_yes;
}
else {
v->rob_support[i] = dcn_bw_no;
}
}
/*display io support check*/
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->output[k] == dcn_bw_dp && v->dsc_capability == dcn_bw_yes) {
if (v->output_format[k] == dcn_bw_420) {
v->required_output_bw = v->pixel_clock[k] / 2.0;
}
else {
v->required_output_bw = v->pixel_clock[k];
}
}
else if (v->output_format[k] == dcn_bw_420) {
v->required_output_bw = v->pixel_clock[k] * 3.0 / 2.0;
}
else {
v->required_output_bw = v->pixel_clock[k] * 3.0;
}
if (v->output[k] == dcn_bw_hdmi) {
v->required_phyclk[k] = v->required_output_bw;
switch (v->output_deep_color[k]) {
case dcn_bw_encoder_10bpc:
v->required_phyclk[k] = v->required_phyclk[k] * 5.0 / 4;
break;
case dcn_bw_encoder_12bpc:
v->required_phyclk[k] = v->required_phyclk[k] * 3.0 / 2;
break;
default:
break;
}
v->required_phyclk[k] = v->required_phyclk[k] / 3.0;
}
else if (v->output[k] == dcn_bw_dp) {
v->required_phyclk[k] = v->required_output_bw / 4.0;
}
else {
v->required_phyclk[k] = 0.0;
}
}
for (i = 0; i <= number_of_states_plus_one; i++) {
v->dio_support[i] = dcn_bw_yes;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->required_phyclk[k] > v->phyclk_per_state[i] || (v->output[k] == dcn_bw_hdmi && v->required_phyclk[k] > 600.0)) {
v->dio_support[i] = dcn_bw_no;
}
}
}
/*total available writeback support check*/
v->total_number_of_active_writeback = 0.0;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->output[k] == dcn_bw_writeback) {
v->total_number_of_active_writeback = v->total_number_of_active_writeback + 1.0;
}
}
if (v->total_number_of_active_writeback <= v->max_num_writeback) {
v->total_available_writeback_support = dcn_bw_yes;
}
else {
v->total_available_writeback_support = dcn_bw_no;
}
/*maximum dispclk/dppclk support check*/
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->h_ratio[k] > 1.0) {
v->pscl_factor[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput * v->h_ratio[k] /dcn_bw_ceil2(v->htaps[k] / 6.0, 1.0));
}
else {
v->pscl_factor[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
}
if (v->byte_per_pixel_in_detc[k] == 0.0) {
v->pscl_factor_chroma[k] = 0.0;
v->min_dppclk_using_single_dpp[k] = v->pixel_clock[k] *dcn_bw_max3(v->vtaps[k] / 6.0 *dcn_bw_min2(1.0, v->h_ratio[k]), v->h_ratio[k] * v->v_ratio[k] / v->pscl_factor[k], 1.0);
}
else {
if (v->h_ratio[k] / 2.0 > 1.0) {
v->pscl_factor_chroma[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput * v->h_ratio[k] / 2.0 /dcn_bw_ceil2(v->hta_pschroma[k] / 6.0, 1.0));
}
else {
v->pscl_factor_chroma[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
}
v->min_dppclk_using_single_dpp[k] = v->pixel_clock[k] *dcn_bw_max5(v->vtaps[k] / 6.0 *dcn_bw_min2(1.0, v->h_ratio[k]), v->h_ratio[k] * v->v_ratio[k] / v->pscl_factor[k], v->vta_pschroma[k] / 6.0 *dcn_bw_min2(1.0, v->h_ratio[k] / 2.0), v->h_ratio[k] * v->v_ratio[k] / 4.0 / v->pscl_factor_chroma[k], 1.0);
}
}
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if ((v->source_pixel_format[k] == dcn_bw_rgb_sub_64 || v->source_pixel_format[k] == dcn_bw_rgb_sub_32 || v->source_pixel_format[k] == dcn_bw_rgb_sub_16)) {
if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
v->read256_block_height_y[k] = 1.0;
}
else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
v->read256_block_height_y[k] = 4.0;
}
else {
v->read256_block_height_y[k] = 8.0;
}
v->read256_block_width_y[k] = 256.0 /dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / v->read256_block_height_y[k];
v->read256_block_height_c[k] = 0.0;
v->read256_block_width_c[k] = 0.0;
}
else {
if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
v->read256_block_height_y[k] = 1.0;
v->read256_block_height_c[k] = 1.0;
}
else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
v->read256_block_height_y[k] = 16.0;
v->read256_block_height_c[k] = 8.0;
}
else {
v->read256_block_height_y[k] = 8.0;
v->read256_block_height_c[k] = 8.0;
}
v->read256_block_width_y[k] = 256.0 /dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / v->read256_block_height_y[k];
v->read256_block_width_c[k] = 256.0 /dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / v->read256_block_height_c[k];
}
if (v->source_scan[k] == dcn_bw_hor) {
v->max_swath_height_y[k] = v->read256_block_height_y[k];
v->max_swath_height_c[k] = v->read256_block_height_c[k];
}
else {
v->max_swath_height_y[k] = v->read256_block_width_y[k];
v->max_swath_height_c[k] = v->read256_block_width_c[k];
}
if ((v->source_pixel_format[k] == dcn_bw_rgb_sub_64 || v->source_pixel_format[k] == dcn_bw_rgb_sub_32 || v->source_pixel_format[k] == dcn_bw_rgb_sub_16)) {
if (v->source_surface_mode[k] == dcn_bw_sw_linear || (v->source_pixel_format[k] == dcn_bw_rgb_sub_64 && (v->source_surface_mode[k] == dcn_bw_sw_4_kb_s || v->source_surface_mode[k] == dcn_bw_sw_4_kb_s_x || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s_t || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s_x || v->source_surface_mode[k] == dcn_bw_sw_var_s || v->source_surface_mode[k] == dcn_bw_sw_var_s_x) && v->source_scan[k] == dcn_bw_hor)) {
v->min_swath_height_y[k] = v->max_swath_height_y[k];
}
else {
v->min_swath_height_y[k] = v->max_swath_height_y[k] / 2.0;
}
v->min_swath_height_c[k] = v->max_swath_height_c[k];
}
else {
if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
v->min_swath_height_y[k] = v->max_swath_height_y[k];
v->min_swath_height_c[k] = v->max_swath_height_c[k];
}
else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8 && v->source_scan[k] == dcn_bw_hor) {
v->min_swath_height_y[k] = v->max_swath_height_y[k] / 2.0;
if (v->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes) {
v->min_swath_height_c[k] = v->max_swath_height_c[k];
}
else {
v->min_swath_height_c[k] = v->max_swath_height_c[k] / 2.0;
}
}
else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10 && v->source_scan[k] == dcn_bw_hor) {
v->min_swath_height_c[k] = v->max_swath_height_c[k] / 2.0;
if (v->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes) {
v->min_swath_height_y[k] = v->max_swath_height_y[k];
}
else {
v->min_swath_height_y[k] = v->max_swath_height_y[k] / 2.0;
}
}
else {
v->min_swath_height_y[k] = v->max_swath_height_y[k];
v->min_swath_height_c[k] = v->max_swath_height_c[k];
}
}
if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
v->maximum_swath_width = 8192.0;
}
else {
v->maximum_swath_width = 5120.0;
}
v->number_of_dpp_required_for_det_size =dcn_bw_ceil2(v->swath_width_ysingle_dpp[k] /dcn_bw_min2(v->maximum_swath_width, v->det_buffer_size_in_kbyte * 1024.0 / 2.0 / (v->byte_per_pixel_in_dety[k] * v->min_swath_height_y[k] + v->byte_per_pixel_in_detc[k] / 2.0 * v->min_swath_height_c[k])), 1.0);
if (v->byte_per_pixel_in_detc[k] == 0.0) {
v->number_of_dpp_required_for_lb_size =dcn_bw_ceil2((v->vtaps[k] +dcn_bw_max2(dcn_bw_ceil2(v->v_ratio[k], 1.0) - 2, 0.0)) * v->swath_width_ysingle_dpp[k] /dcn_bw_max2(v->h_ratio[k], 1.0) * v->lb_bit_per_pixel[k] / v->line_buffer_size, 1.0);
}
else {
v->number_of_dpp_required_for_lb_size =dcn_bw_max2(dcn_bw_ceil2((v->vtaps[k] +dcn_bw_max2(dcn_bw_ceil2(v->v_ratio[k], 1.0) - 2, 0.0)) * v->swath_width_ysingle_dpp[k] /dcn_bw_max2(v->h_ratio[k], 1.0) * v->lb_bit_per_pixel[k] / v->line_buffer_size, 1.0),dcn_bw_ceil2((v->vta_pschroma[k] +dcn_bw_max2(dcn_bw_ceil2(v->v_ratio[k] / 2.0, 1.0) - 2, 0.0)) * v->swath_width_ysingle_dpp[k] / 2.0 /dcn_bw_max2(v->h_ratio[k] / 2.0, 1.0) * v->lb_bit_per_pixel[k] / v->line_buffer_size, 1.0));
}
v->number_of_dpp_required_for_det_and_lb_size[k] =dcn_bw_max2(v->number_of_dpp_required_for_det_size, v->number_of_dpp_required_for_lb_size);
}
for (i = 0; i <= number_of_states_plus_one; i++) {
for (j = 0; j <= 1; j++) {
v->total_number_of_active_dpp[i][j] = 0.0;
v->required_dispclk[i][j] = 0.0;
v->dispclk_dppclk_support[i][j] = dcn_bw_yes;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
v->min_dispclk_using_single_dpp =dcn_bw_max2(v->pixel_clock[k], v->min_dppclk_using_single_dpp[k] * (j + 1)) * (1.0 + v->downspreading / 100.0);
if (v->odm_capability == dcn_bw_yes) {
v->min_dispclk_using_dual_dpp =dcn_bw_max2(v->pixel_clock[k] / 2.0, v->min_dppclk_using_single_dpp[k] / 2.0 * (j + 1)) * (1.0 + v->downspreading / 100.0);
}
else {
v->min_dispclk_using_dual_dpp =dcn_bw_max2(v->pixel_clock[k], v->min_dppclk_using_single_dpp[k] / 2.0 * (j + 1)) * (1.0 + v->downspreading / 100.0);
}
if (i < number_of_states) {
v->min_dispclk_using_single_dpp = v->min_dispclk_using_single_dpp * (1.0 + v->dispclk_ramping_margin / 100.0);
v->min_dispclk_using_dual_dpp = v->min_dispclk_using_dual_dpp * (1.0 + v->dispclk_ramping_margin / 100.0);
}
if (v->min_dispclk_using_single_dpp <=dcn_bw_min2(v->max_dispclk[i], (j + 1) * v->max_dppclk[i]) && v->number_of_dpp_required_for_det_and_lb_size[k] <= 1.0) {
v->no_of_dpp[i][j][k] = 1.0;
v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_single_dpp);
}
else if (v->min_dispclk_using_dual_dpp <=dcn_bw_min2(v->max_dispclk[i], (j + 1) * v->max_dppclk[i])) {
v->no_of_dpp[i][j][k] = 2.0;
v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_dual_dpp);
}
else {
v->no_of_dpp[i][j][k] = 2.0;
v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_dual_dpp);
v->dispclk_dppclk_support[i][j] = dcn_bw_no;
}
v->total_number_of_active_dpp[i][j] = v->total_number_of_active_dpp[i][j] + v->no_of_dpp[i][j][k];
}
if (v->total_number_of_active_dpp[i][j] > v->max_num_dpp) {
v->total_number_of_active_dpp[i][j] = 0.0;
v->required_dispclk[i][j] = 0.0;
v->dispclk_dppclk_support[i][j] = dcn_bw_yes;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
v->min_dispclk_using_single_dpp =dcn_bw_max2(v->pixel_clock[k], v->min_dppclk_using_single_dpp[k] * (j + 1)) * (1.0 + v->downspreading / 100.0);
v->min_dispclk_using_dual_dpp =dcn_bw_max2(v->pixel_clock[k], v->min_dppclk_using_single_dpp[k] / 2.0 * (j + 1)) * (1.0 + v->downspreading / 100.0);
if (i < number_of_states) {
v->min_dispclk_using_single_dpp = v->min_dispclk_using_single_dpp * (1.0 + v->dispclk_ramping_margin / 100.0);
v->min_dispclk_using_dual_dpp = v->min_dispclk_using_dual_dpp * (1.0 + v->dispclk_ramping_margin / 100.0);
}
if (v->number_of_dpp_required_for_det_and_lb_size[k] <= 1.0) {
v->no_of_dpp[i][j][k] = 1.0;
v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_single_dpp);
if (v->min_dispclk_using_single_dpp >dcn_bw_min2(v->max_dispclk[i], (j + 1) * v->max_dppclk[i])) {
v->dispclk_dppclk_support[i][j] = dcn_bw_no;
}
}
else {
v->no_of_dpp[i][j][k] = 2.0;
v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_dual_dpp);
if (v->min_dispclk_using_dual_dpp >dcn_bw_min2(v->max_dispclk[i], (j + 1) * v->max_dppclk[i])) {
v->dispclk_dppclk_support[i][j] = dcn_bw_no;
}
}
v->total_number_of_active_dpp[i][j] = v->total_number_of_active_dpp[i][j] + v->no_of_dpp[i][j][k];
}
}
}
}
/*viewport size check*/
v->viewport_size_support = dcn_bw_yes;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->number_of_dpp_required_for_det_and_lb_size[k] > 2.0) {
v->viewport_size_support = dcn_bw_no;
}
}
/*total available pipes support check*/
for (i = 0; i <= number_of_states_plus_one; i++) {
for (j = 0; j <= 1; j++) {
if (v->total_number_of_active_dpp[i][j] <= v->max_num_dpp) {
v->total_available_pipes_support[i][j] = dcn_bw_yes;
}
else {
v->total_available_pipes_support[i][j] = dcn_bw_no;
}
}
}
/*urgent latency support check*/
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
for (i = 0; i <= number_of_states_plus_one; i++) {
for (j = 0; j <= 1; j++) {
v->swath_width_yper_state[i][j][k] = v->swath_width_ysingle_dpp[k] / v->no_of_dpp[i][j][k];
v->swath_width_granularity_y = 256.0 /dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / v->max_swath_height_y[k];
v->rounded_up_max_swath_size_bytes_y = (dcn_bw_ceil2(v->swath_width_yper_state[i][j][k] - 1.0, v->swath_width_granularity_y) + v->swath_width_granularity_y) * v->byte_per_pixel_in_dety[k] * v->max_swath_height_y[k];
if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) {
v->rounded_up_max_swath_size_bytes_y =dcn_bw_ceil2(v->rounded_up_max_swath_size_bytes_y, 256.0) + 256;
}
if (v->max_swath_height_c[k] > 0.0) {
v->swath_width_granularity_c = 256.0 /dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / v->max_swath_height_c[k];
v->rounded_up_max_swath_size_bytes_c = (dcn_bw_ceil2(v->swath_width_yper_state[i][j][k] / 2.0 - 1.0, v->swath_width_granularity_c) + v->swath_width_granularity_c) * v->byte_per_pixel_in_detc[k] * v->max_swath_height_c[k];
if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) {
v->rounded_up_max_swath_size_bytes_c = dcn_bw_ceil2(v->rounded_up_max_swath_size_bytes_c, 256.0) + 256;
}
}
if (v->rounded_up_max_swath_size_bytes_y + v->rounded_up_max_swath_size_bytes_c <= v->det_buffer_size_in_kbyte * 1024.0 / 2.0) {
v->swath_height_yper_state[i][j][k] = v->max_swath_height_y[k];
v->swath_height_cper_state[i][j][k] = v->max_swath_height_c[k];
}
else {
v->swath_height_yper_state[i][j][k] = v->min_swath_height_y[k];
v->swath_height_cper_state[i][j][k] = v->min_swath_height_c[k];
}
if (v->byte_per_pixel_in_detc[k] == 0.0) {
v->lines_in_det_luma = v->det_buffer_size_in_kbyte * 1024.0 / v->byte_per_pixel_in_dety[k] / v->swath_width_yper_state[i][j][k];
v->lines_in_det_chroma = 0.0;
}
else if (v->swath_height_yper_state[i][j][k] <= v->swath_height_cper_state[i][j][k]) {
v->lines_in_det_luma = v->det_buffer_size_in_kbyte * 1024.0 / 2.0 / v->byte_per_pixel_in_dety[k] / v->swath_width_yper_state[i][j][k];
v->lines_in_det_chroma = v->det_buffer_size_in_kbyte * 1024.0 / 2.0 / v->byte_per_pixel_in_detc[k] / (v->swath_width_yper_state[i][j][k] / 2.0);
}
else {
v->lines_in_det_luma = v->det_buffer_size_in_kbyte * 1024.0 * 2.0 / 3.0 / v->byte_per_pixel_in_dety[k] / v->swath_width_yper_state[i][j][k];
v->lines_in_det_chroma = v->det_buffer_size_in_kbyte * 1024.0 / 3.0 / v->byte_per_pixel_in_dety[k] / (v->swath_width_yper_state[i][j][k] / 2.0);
}
v->effective_lb_latency_hiding_source_lines_luma =dcn_bw_min2(v->max_line_buffer_lines,dcn_bw_floor2(v->line_buffer_size / v->lb_bit_per_pixel[k] / (v->swath_width_yper_state[i][j][k] /dcn_bw_max2(v->h_ratio[k], 1.0)), 1.0)) - (v->vtaps[k] - 1.0);
v->effective_detlb_lines_luma =dcn_bw_floor2(v->lines_in_det_luma +dcn_bw_min2(v->lines_in_det_luma * v->required_dispclk[i][j] * v->byte_per_pixel_in_dety[k] * v->pscl_factor[k] / v->return_bw_per_state[i], v->effective_lb_latency_hiding_source_lines_luma), v->swath_height_yper_state[i][j][k]);
if (v->byte_per_pixel_in_detc[k] == 0.0) {
v->urgent_latency_support_us_per_state[i][j][k] = v->effective_detlb_lines_luma * (v->htotal[k] / v->pixel_clock[k]) / v->v_ratio[k] - v->effective_detlb_lines_luma * v->swath_width_yper_state[i][j][k] *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / (v->return_bw_per_state[i] / v->no_of_dpp[i][j][k]);
}
else {
v->effective_lb_latency_hiding_source_lines_chroma = dcn_bw_min2(v->max_line_buffer_lines, dcn_bw_floor2(v->line_buffer_size / v->lb_bit_per_pixel[k] / (v->swath_width_yper_state[i][j][k] / 2.0 / dcn_bw_max2(v->h_ratio[k] / 2.0, 1.0)), 1.0)) - (v->vta_pschroma[k] - 1.0);
v->effective_detlb_lines_chroma = dcn_bw_floor2(v->lines_in_det_chroma + dcn_bw_min2(v->lines_in_det_chroma * v->required_dispclk[i][j] * v->byte_per_pixel_in_detc[k] * v->pscl_factor_chroma[k] / v->return_bw_per_state[i], v->effective_lb_latency_hiding_source_lines_chroma), v->swath_height_cper_state[i][j][k]);
v->urgent_latency_support_us_per_state[i][j][k] = dcn_bw_min2(v->effective_detlb_lines_luma * (v->htotal[k] / v->pixel_clock[k]) / v->v_ratio[k] - v->effective_detlb_lines_luma * v->swath_width_yper_state[i][j][k] * dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / (v->return_bw_per_state[i] / v->no_of_dpp[i][j][k]), v->effective_detlb_lines_chroma * (v->htotal[k] / v->pixel_clock[k]) / (v->v_ratio[k] / 2.0) - v->effective_detlb_lines_chroma * v->swath_width_yper_state[i][j][k] / 2.0 * dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / (v->return_bw_per_state[i] / v->no_of_dpp[i][j][k]));
}
}
}
}
for (i = 0; i <= number_of_states_plus_one; i++) {
for (j = 0; j <= 1; j++) {
v->urgent_latency_support[i][j] = dcn_bw_yes;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->urgent_latency_support_us_per_state[i][j][k] < v->urgent_latency / 1.0) {
v->urgent_latency_support[i][j] = dcn_bw_no;
}
}
}
}
/*prefetch check*/
for (i = 0; i <= number_of_states_plus_one; i++) {
for (j = 0; j <= 1; j++) {
v->total_number_of_dcc_active_dpp[i][j] = 0.0;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->dcc_enable[k] == dcn_bw_yes) {
v->total_number_of_dcc_active_dpp[i][j] = v->total_number_of_dcc_active_dpp[i][j] + v->no_of_dpp[i][j][k];
}
}
}
}
for (i = 0; i <= number_of_states_plus_one; i++) {
for (j = 0; j <= 1; j++) {
v->projected_dcfclk_deep_sleep = 8.0;
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
v->projected_dcfclk_deep_sleep =dcn_bw_max2(v->projected_dcfclk_deep_sleep, v->pixel_clock[k] / 16.0);
if (v->byte_per_pixel_in_detc[k] == 0.0) {
if (v->v_ratio[k] <= 1.0) {
v->projected_dcfclk_deep_sleep =dcn_bw_max2(v->projected_dcfclk_deep_sleep, 1.1 *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / 64.0 * v->h_ratio[k] * v->pixel_clock[k] / v->no_of_dpp[i][j][k]);
}
else {
v->projected_dcfclk_deep_sleep =dcn_bw_max2(v->projected_dcfclk_deep_sleep, 1.1 *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / 64.0 * v->pscl_factor[k] * v->required_dispclk[i][j] / (1 + j));
}
}
else {
if (v->v_ratio[k] <= 1.0) {
v->projected_dcfclk_deep_sleep =dcn_bw_max2(v->projected_dcfclk_deep_sleep, 1.1 *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / 32.0 * v->h_ratio[k] * v->pixel_clock[k] / v->no_of_dpp[i][j][k]);
}
else {
v->projected_dcfclk_deep_sleep =dcn_bw_max2(v->projected_dcfclk_deep_sleep, 1.1 *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / 32.0 * v->pscl_factor[k] * v->required_dispclk[i][j] / (1 + j));
}
if (v->v_ratio[k] / 2.0 <= 1.0) {
v->projected_dcfclk_deep_sleep =dcn_bw_max2(v->projected_dcfclk_deep_sleep, 1.1 *dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / 32.0 * v->h_ratio[k] / 2.0 * v->pixel_clock[k] / v->no_of_dpp[i][j][k]);
}
else {
v->projected_dcfclk_deep_sleep =dcn_bw_max2(v->projected_dcfclk_deep_sleep, 1.1 *dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / 32.0 * v->pscl_factor_chroma[k] * v->required_dispclk[i][j] / (1 + j));
}
}
}
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->dcc_enable[k] == dcn_bw_yes) {
v->meta_req_height_y = 8.0 * v->read256_block_height_y[k];
v->meta_req_width_y = 64.0 * 256.0 /dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / v->meta_req_height_y;
v->meta_surface_width_y =dcn_bw_ceil2(v->viewport_width[k] / v->no_of_dpp[i][j][k] - 1.0, v->meta_req_width_y) + v->meta_req_width_y;
v->meta_surface_height_y =dcn_bw_ceil2(v->viewport_height[k] - 1.0, v->meta_req_height_y) + v->meta_req_height_y;
if (v->pte_enable == dcn_bw_yes) {
v->meta_pte_bytes_per_frame_y = (dcn_bw_ceil2((v->meta_surface_width_y * v->meta_surface_height_y *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / 256.0 - 4096.0) / 8.0 / 4096.0, 1.0) + 1) * 64.0;
}
else {
v->meta_pte_bytes_per_frame_y = 0.0;
}
if (v->source_scan[k] == dcn_bw_hor) {
v->meta_row_bytes_y = v->meta_surface_width_y * v->meta_req_height_y *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / 256.0;
}
else {
v->meta_row_bytes_y = v->meta_surface_height_y * v->meta_req_width_y *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / 256.0;
}
}
else {
v->meta_pte_bytes_per_frame_y = 0.0;
v->meta_row_bytes_y = 0.0;
}
if (v->pte_enable == dcn_bw_yes) {
if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
v->macro_tile_block_size_bytes_y = 256.0;
v->macro_tile_block_height_y = 1.0;
}
else if (v->source_surface_mode[k] == dcn_bw_sw_4_kb_s || v->source_surface_mode[k] == dcn_bw_sw_4_kb_s_x || v->source_surface_mode[k] == dcn_bw_sw_4_kb_d || v->source_surface_mode[k] == dcn_bw_sw_4_kb_d_x) {
v->macro_tile_block_size_bytes_y = 4096.0;
v->macro_tile_block_height_y = 4.0 * v->read256_block_height_y[k];
}
else if (v->source_surface_mode[k] == dcn_bw_sw_64_kb_s || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s_t || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s_x || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d_t || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d_x) {
v->macro_tile_block_size_bytes_y = 64.0 * 1024;
v->macro_tile_block_height_y = 16.0 * v->read256_block_height_y[k];
}
else {
v->macro_tile_block_size_bytes_y = 256.0 * 1024;
v->macro_tile_block_height_y = 32.0 * v->read256_block_height_y[k];
}
if (v->macro_tile_block_size_bytes_y <= 65536.0) {
v->data_pte_req_height_y = v->macro_tile_block_height_y;
}
else {
v->data_pte_req_height_y = 16.0 * v->read256_block_height_y[k];
}
v->data_pte_req_width_y = 4096.0 /dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) / v->data_pte_req_height_y * 8;
if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
v->dpte_bytes_per_row_y = 64.0 * (dcn_bw_ceil2((v->viewport_width[k] / v->no_of_dpp[i][j][k] *dcn_bw_min2(128.0, dcn_bw_pow(2.0,dcn_bw_floor2(dcn_bw_log(v->pte_buffer_size_in_requests * v->data_pte_req_width_y / (v->viewport_width[k] / v->no_of_dpp[i][j][k]), 2.0), 1.0))) - 1.0) / v->data_pte_req_width_y, 1.0) + 1);
}
else if (v->source_scan[k] == dcn_bw_hor) {
v->dpte_bytes_per_row_y = 64.0 * (dcn_bw_ceil2((v->viewport_width[k] / v->no_of_dpp[i][j][k] - 1.0) / v->data_pte_req_width_y, 1.0) + 1);
}
else {
v->dpte_bytes_per_row_y = 64.0 * (dcn_bw_ceil2((v->viewport_height[k] - 1.0) / v->data_pte_req_height_y, 1.0) + 1);
}
}
else {
v->dpte_bytes_per_row_y = 0.0;
}
if ((v->source_pixel_format[k] != dcn_bw_rgb_sub_64 && v->source_pixel_format[k] != dcn_bw_rgb_sub_32 && v->source_pixel_format[k] != dcn_bw_rgb_sub_16)) {
if (v->dcc_enable[k] == dcn_bw_yes) {
v->meta_req_height_c = 8.0 * v->read256_block_height_c[k];
v->meta_req_width_c = 64.0 * 256.0 /dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / v->meta_req_height_c;
v->meta_surface_width_c =dcn_bw_ceil2(v->viewport_width[k] / v->no_of_dpp[i][j][k] / 2.0 - 1.0, v->meta_req_width_c) + v->meta_req_width_c;
v->meta_surface_height_c =dcn_bw_ceil2(v->viewport_height[k] / 2.0 - 1.0, v->meta_req_height_c) + v->meta_req_height_c;
if (v->pte_enable == dcn_bw_yes) {
v->meta_pte_bytes_per_frame_c = (dcn_bw_ceil2((v->meta_surface_width_c * v->meta_surface_height_c *dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / 256.0 - 4096.0) / 8.0 / 4096.0, 1.0) + 1) * 64.0;
}
else {
v->meta_pte_bytes_per_frame_c = 0.0;
}
if (v->source_scan[k] == dcn_bw_hor) {
v->meta_row_bytes_c = v->meta_surface_width_c * v->meta_req_height_c *dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / 256.0;
}
else {
v->meta_row_bytes_c = v->meta_surface_height_c * v->meta_req_width_c *dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / 256.0;
}
}
else {
v->meta_pte_bytes_per_frame_c = 0.0;
v->meta_row_bytes_c = 0.0;
}
if (v->pte_enable == dcn_bw_yes) {
if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
v->macro_tile_block_size_bytes_c = 256.0;
v->macro_tile_block_height_c = 1.0;
}
else if (v->source_surface_mode[k] == dcn_bw_sw_4_kb_s || v->source_surface_mode[k] == dcn_bw_sw_4_kb_s_x || v->source_surface_mode[k] == dcn_bw_sw_4_kb_d || v->source_surface_mode[k] == dcn_bw_sw_4_kb_d_x) {
v->macro_tile_block_size_bytes_c = 4096.0;
v->macro_tile_block_height_c = 4.0 * v->read256_block_height_c[k];
}
else if (v->source_surface_mode[k] == dcn_bw_sw_64_kb_s || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s_t || v->source_surface_mode[k] == dcn_bw_sw_64_kb_s_x || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d_t || v->source_surface_mode[k] == dcn_bw_sw_64_kb_d_x) {
v->macro_tile_block_size_bytes_c = 64.0 * 1024;
v->macro_tile_block_height_c = 16.0 * v->read256_block_height_c[k];
}
else {
v->macro_tile_block_size_bytes_c = 256.0 * 1024;
v->macro_tile_block_height_c = 32.0 * v->read256_block_height_c[k];
}
v->macro_tile_block_width_c = v->macro_tile_block_size_bytes_c /dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / v->macro_tile_block_height_c;
if (v->macro_tile_block_size_bytes_c <= 65536.0) {
v->data_pte_req_height_c = v->macro_tile_block_height_c;
}
else {
v->data_pte_req_height_c = 16.0 * v->read256_block_height_c[k];
}
v->data_pte_req_width_c = 4096.0 /dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / v->data_pte_req_height_c * 8;
if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
v->dpte_bytes_per_row_c = 64.0 * (dcn_bw_ceil2((v->viewport_width[k] / v->no_of_dpp[i][j][k] / 2.0 * dcn_bw_min2(128.0, dcn_bw_pow(2.0,dcn_bw_floor2(dcn_bw_log(v->pte_buffer_size_in_requests * v->data_pte_req_width_c / (v->viewport_width[k] / v->no_of_dpp[i][j][k] / 2.0), 2.0), 1.0))) - 1.0) / v->data_pte_req_width_c, 1.0) + 1);
}
else if (v->source_scan[k] == dcn_bw_hor) {
v->dpte_bytes_per_row_c = 64.0 * (dcn_bw_ceil2((v->viewport_width[k] / v->no_of_dpp[i][j][k] / 2.0 - 1.0) / v->data_pte_req_width_c, 1.0) + 1);
}
else {
v->dpte_bytes_per_row_c = 64.0 * (dcn_bw_ceil2((v->viewport_height[k] / 2.0 - 1.0) / v->data_pte_req_height_c, 1.0) + 1);
}
}
else {
v->dpte_bytes_per_row_c = 0.0;
}
}
else {
v->dpte_bytes_per_row_c = 0.0;
v->meta_pte_bytes_per_frame_c = 0.0;
v->meta_row_bytes_c = 0.0;
}
v->dpte_bytes_per_row[k] = v->dpte_bytes_per_row_y + v->dpte_bytes_per_row_c;
v->meta_pte_bytes_per_frame[k] = v->meta_pte_bytes_per_frame_y + v->meta_pte_bytes_per_frame_c;
v->meta_row_bytes[k] = v->meta_row_bytes_y + v->meta_row_bytes_c;
v->v_init_y = (v->v_ratio[k] + v->vtaps[k] + 1.0 + v->interlace_output[k] * 0.5 * v->v_ratio[k]) / 2.0;
v->prefill_y[k] =dcn_bw_floor2(v->v_init_y, 1.0);
v->max_num_sw_y[k] =dcn_bw_ceil2((v->prefill_y[k] - 1.0) / v->swath_height_yper_state[i][j][k], 1.0) + 1;
if (v->prefill_y[k] > 1.0) {
v->max_partial_sw_y =dcn_bw_mod((v->prefill_y[k] - 2.0), v->swath_height_yper_state[i][j][k]);
}
else {
v->max_partial_sw_y =dcn_bw_mod((v->prefill_y[k] + v->swath_height_yper_state[i][j][k] - 2.0), v->swath_height_yper_state[i][j][k]);
}
v->max_partial_sw_y =dcn_bw_max2(1.0, v->max_partial_sw_y);
v->prefetch_lines_y[k] = v->max_num_sw_y[k] * v->swath_height_yper_state[i][j][k] + v->max_partial_sw_y;
if ((v->source_pixel_format[k] != dcn_bw_rgb_sub_64 && v->source_pixel_format[k] != dcn_bw_rgb_sub_32 && v->source_pixel_format[k] != dcn_bw_rgb_sub_16)) {
v->v_init_c = (v->v_ratio[k] / 2.0 + v->vtaps[k] + 1.0 + v->interlace_output[k] * 0.5 * v->v_ratio[k] / 2.0) / 2.0;
v->prefill_c[k] =dcn_bw_floor2(v->v_init_c, 1.0);
v->max_num_sw_c[k] =dcn_bw_ceil2((v->prefill_c[k] - 1.0) / v->swath_height_cper_state[i][j][k], 1.0) + 1;
if (v->prefill_c[k] > 1.0) {
v->max_partial_sw_c =dcn_bw_mod((v->prefill_c[k] - 2.0), v->swath_height_cper_state[i][j][k]);
}
else {
v->max_partial_sw_c =dcn_bw_mod((v->prefill_c[k] + v->swath_height_cper_state[i][j][k] - 2.0), v->swath_height_cper_state[i][j][k]);
}
v->max_partial_sw_c =dcn_bw_max2(1.0, v->max_partial_sw_c);
v->prefetch_lines_c[k] = v->max_num_sw_c[k] * v->swath_height_cper_state[i][j][k] + v->max_partial_sw_c;
}
else {
v->prefetch_lines_c[k] = 0.0;
}
v->dst_x_after_scaler = 90.0 * v->pixel_clock[k] / (v->required_dispclk[i][j] / (j + 1)) + 42.0 * v->pixel_clock[k] / v->required_dispclk[i][j];
if (v->no_of_dpp[i][j][k] > 1.0) {
v->dst_x_after_scaler = v->dst_x_after_scaler + v->scaler_rec_out_width[k] / 2.0;
}
if (v->output_format[k] == dcn_bw_420) {
v->dst_y_after_scaler = 1.0;
}
else {
v->dst_y_after_scaler = 0.0;
}
v->time_calc = 24.0 / v->projected_dcfclk_deep_sleep;
v->v_update_offset[k][j] = dcn_bw_ceil2(v->htotal[k] / 4.0, 1.0);
v->total_repeater_delay = v->max_inter_dcn_tile_repeaters * (2.0 / (v->required_dispclk[i][j] / (j + 1)) + 3.0 / v->required_dispclk[i][j]);
v->v_update_width[k][j] = (14.0 / v->projected_dcfclk_deep_sleep + 12.0 / (v->required_dispclk[i][j] / (j + 1)) + v->total_repeater_delay) * v->pixel_clock[k];
v->v_ready_offset[k][j] = dcn_bw_max2(150.0 / (v->required_dispclk[i][j] / (j + 1)), v->total_repeater_delay + 20.0 / v->projected_dcfclk_deep_sleep + 10.0 / (v->required_dispclk[i][j] / (j + 1))) * v->pixel_clock[k];
v->time_setup = (v->v_update_offset[k][j] + v->v_update_width[k][j] + v->v_ready_offset[k][j]) / v->pixel_clock[k];
v->extra_latency = v->urgent_round_trip_and_out_of_order_latency_per_state[i] + (v->total_number_of_active_dpp[i][j] * v->pixel_chunk_size_in_kbyte + v->total_number_of_dcc_active_dpp[i][j] * v->meta_chunk_size) * 1024.0 / v->return_bw_per_state[i];
if (v->pte_enable == dcn_bw_yes) {
v->extra_latency = v->extra_latency + v->total_number_of_active_dpp[i][j] * v->pte_chunk_size * 1024.0 / v->return_bw_per_state[i];
}
if (v->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one == dcn_bw_yes) {
v->maximum_vstartup = v->vtotal[k] - v->vactive[k] - 1.0;
}
else {
v->maximum_vstartup = v->v_sync_plus_back_porch[k] - 1.0;
}
do {
v->line_times_for_prefetch[k] = v->maximum_vstartup - v->urgent_latency / (v->htotal[k] / v->pixel_clock[k]) - (v->time_calc + v->time_setup) / (v->htotal[k] / v->pixel_clock[k]) - (v->dst_y_after_scaler + v->dst_x_after_scaler / v->htotal[k]);
v->line_times_for_prefetch[k] =dcn_bw_floor2(4.0 * (v->line_times_for_prefetch[k] + 0.125), 1.0) / 4;
v->prefetch_bw[k] = (v->meta_pte_bytes_per_frame[k] + 2.0 * v->meta_row_bytes[k] + 2.0 * v->dpte_bytes_per_row[k] + v->prefetch_lines_y[k] * v->swath_width_yper_state[i][j][k] *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) + v->prefetch_lines_c[k] * v->swath_width_yper_state[i][j][k] / 2.0 *dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0)) / (v->line_times_for_prefetch[k] * v->htotal[k] / v->pixel_clock[k]);
if (v->pte_enable == dcn_bw_yes && v->dcc_enable[k] == dcn_bw_yes) {
v->time_for_meta_pte_without_immediate_flip = dcn_bw_max3(
v->meta_pte_bytes_frame[k] / v->prefetch_bw[k],
v->extra_latency,
v->htotal[k] / v->pixel_clock[k] / 4.0);
} else {
v->time_for_meta_pte_without_immediate_flip = v->htotal[k] / v->pixel_clock[k] / 4.0;
}
if (v->pte_enable == dcn_bw_yes || v->dcc_enable[k] == dcn_bw_yes) {
v->time_for_meta_and_dpte_row_without_immediate_flip = dcn_bw_max3((
v->meta_row_bytes[k] + v->dpte_bytes_per_row[k]) / v->prefetch_bw[k],
v->htotal[k] / v->pixel_clock[k] - v->time_for_meta_pte_without_immediate_flip,
v->extra_latency);
} else {
v->time_for_meta_and_dpte_row_without_immediate_flip = dcn_bw_max2(
v->htotal[k] / v->pixel_clock[k] - v->time_for_meta_pte_without_immediate_flip,
v->extra_latency - v->time_for_meta_pte_with_immediate_flip);
}
v->lines_for_meta_pte_without_immediate_flip[k] =dcn_bw_floor2(4.0 * (v->time_for_meta_pte_without_immediate_flip / (v->htotal[k] / v->pixel_clock[k]) + 0.125), 1.0) / 4;
v->lines_for_meta_and_dpte_row_without_immediate_flip[k] =dcn_bw_floor2(4.0 * (v->time_for_meta_and_dpte_row_without_immediate_flip / (v->htotal[k] / v->pixel_clock[k]) + 0.125), 1.0) / 4;
v->maximum_vstartup = v->maximum_vstartup - 1;
if (v->lines_for_meta_pte_without_immediate_flip[k] < 32.0 && v->lines_for_meta_and_dpte_row_without_immediate_flip[k] < 16.0)
break;
} while(1);
}
v->bw_available_for_immediate_flip = v->return_bw_per_state[i];
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
v->bw_available_for_immediate_flip = v->bw_available_for_immediate_flip -dcn_bw_max2(v->read_bandwidth[k], v->prefetch_bw[k]);
}
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
v->total_immediate_flip_bytes[k] = 0.0;
if ((v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
v->total_immediate_flip_bytes[k] = v->total_immediate_flip_bytes[k] + v->meta_pte_bytes_per_frame[k] + v->meta_row_bytes[k] + v->dpte_bytes_per_row[k];
}
}
for (k = 0; k <= v->number_of_active_planes - 1; k++) {
if (v->pte_enable == dcn_bw_yes && v->dcc_enable[k] == dcn_bw_yes) {
v->time_for_meta_pte_with_immediate_flip =dcn_bw_max5(v->meta_pte_bytes_per_frame[k] / v->prefetch_bw[k], v->meta_pte_bytes_per_frame[k] * v->total_immediate_flip_bytes[k] / | | |
