2 * Copyright 2017 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #include "dm_services.h"
27 #include "dcn_calc_auto.h"
28 #include "dcn_calc_math.h"
32 * This file is gcc-parseable HW gospel, coming straight from HW engineers.
34 * It doesn't adhere to Linux kernel style and sometimes will do things in odd
35 * ways. Unless there is something clearly wrong with it the code should
36 * remain as-is as it provides us with a guarantee from HW that it is correct.
40 void scaler_settings_calculation(struct dcn_bw_internal_vars *v)
43 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
44 if (v->allow_different_hratio_vratio == dcn_bw_yes) {
45 if (v->source_scan[k] == dcn_bw_hor) {
46 v->h_ratio[k] = v->viewport_width[k] / v->scaler_rec_out_width[k];
47 v->v_ratio[k] = v->viewport_height[k] / v->scaler_recout_height[k];
50 v->h_ratio[k] = v->viewport_height[k] / v->scaler_rec_out_width[k];
51 v->v_ratio[k] = v->viewport_width[k] / v->scaler_recout_height[k];
55 if (v->source_scan[k] == dcn_bw_hor) {
56 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]);
59 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]);
61 v->v_ratio[k] = v->h_ratio[k];
63 if (v->interlace_output[k] == 1.0) {
64 v->v_ratio[k] = 2.0 * v->v_ratio[k];
66 if ((v->underscan_output[k] == 1.0)) {
67 v->h_ratio[k] = v->h_ratio[k] * v->under_scan_factor;
68 v->v_ratio[k] = v->v_ratio[k] * v->under_scan_factor;
71 /*scaler taps calculation*/
73 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
74 if (v->h_ratio[k] > 1.0) {
75 v->acceptable_quality_hta_ps =dcn_bw_min2(v->max_hscl_taps, 2.0 *dcn_bw_ceil2(v->h_ratio[k], 1.0));
77 else if (v->h_ratio[k] < 1.0) {
78 v->acceptable_quality_hta_ps = 4.0;
81 v->acceptable_quality_hta_ps = 1.0;
83 if (v->ta_pscalculation == dcn_bw_override) {
84 v->htaps[k] = v->override_hta_ps[k];
87 v->htaps[k] = v->acceptable_quality_hta_ps;
89 if (v->v_ratio[k] > 1.0) {
90 v->acceptable_quality_vta_ps =dcn_bw_min2(v->max_vscl_taps, 2.0 *dcn_bw_ceil2(v->v_ratio[k], 1.0));
92 else if (v->v_ratio[k] < 1.0) {
93 v->acceptable_quality_vta_ps = 4.0;
96 v->acceptable_quality_vta_ps = 1.0;
98 if (v->ta_pscalculation == dcn_bw_override) {
99 v->vtaps[k] = v->override_vta_ps[k];
102 v->vtaps[k] = v->acceptable_quality_vta_ps;
104 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) {
105 v->vta_pschroma[k] = 0.0;
106 v->hta_pschroma[k] = 0.0;
109 if (v->ta_pscalculation == dcn_bw_override) {
110 v->vta_pschroma[k] = v->override_vta_pschroma[k];
111 v->hta_pschroma[k] = v->override_hta_pschroma[k];
114 v->vta_pschroma[k] = v->acceptable_quality_vta_ps;
115 v->hta_pschroma[k] = v->acceptable_quality_hta_ps;
121 void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v)
126 /*mode support, voltage state and soc configuration*/
128 /*scale ratio support check*/
130 v->scale_ratio_support = dcn_bw_yes;
131 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
132 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]))) {
133 v->scale_ratio_support = dcn_bw_no;
136 /*source format, pixel format and scan support check*/
138 v->source_format_pixel_and_scan_support = dcn_bw_yes;
139 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
140 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)) {
141 v->source_format_pixel_and_scan_support = dcn_bw_no;
144 /*bandwidth support check*/
146 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
147 if (v->source_scan[k] == dcn_bw_hor) {
148 v->swath_width_ysingle_dpp[k] = v->viewport_width[k];
151 v->swath_width_ysingle_dpp[k] = v->viewport_height[k];
153 if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
154 v->byte_per_pixel_in_dety[k] = 8.0;
155 v->byte_per_pixel_in_detc[k] = 0.0;
157 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_32) {
158 v->byte_per_pixel_in_dety[k] = 4.0;
159 v->byte_per_pixel_in_detc[k] = 0.0;
161 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_16) {
162 v->byte_per_pixel_in_dety[k] = 2.0;
163 v->byte_per_pixel_in_detc[k] = 0.0;
165 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
166 v->byte_per_pixel_in_dety[k] = 1.0;
167 v->byte_per_pixel_in_detc[k] = 2.0;
170 v->byte_per_pixel_in_dety[k] = 4.0f / 3.0f;
171 v->byte_per_pixel_in_detc[k] = 8.0f / 3.0f;
174 v->total_read_bandwidth_consumed_gbyte_per_second = 0.0;
175 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
176 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]);
177 if (v->dcc_enable[k] == dcn_bw_yes) {
178 v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 256);
180 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)) {
181 v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 64);
183 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)) {
184 v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 256);
186 else if (v->pte_enable == dcn_bw_yes) {
187 v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 512);
189 v->total_read_bandwidth_consumed_gbyte_per_second = v->total_read_bandwidth_consumed_gbyte_per_second + v->read_bandwidth[k] / 1000.0;
191 v->total_write_bandwidth_consumed_gbyte_per_second = 0.0;
192 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
193 if (v->output[k] == dcn_bw_writeback && v->output_format[k] == dcn_bw_444) {
194 v->write_bandwidth[k] = v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 4.0;
196 else if (v->output[k] == dcn_bw_writeback) {
197 v->write_bandwidth[k] = v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 1.5;
200 v->write_bandwidth[k] = 0.0;
202 v->total_write_bandwidth_consumed_gbyte_per_second = v->total_write_bandwidth_consumed_gbyte_per_second + v->write_bandwidth[k] / 1000.0;
204 v->total_bandwidth_consumed_gbyte_per_second = v->total_read_bandwidth_consumed_gbyte_per_second + v->total_write_bandwidth_consumed_gbyte_per_second;
205 v->dcc_enabled_in_any_plane = dcn_bw_no;
206 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
207 if (v->dcc_enable[k] == dcn_bw_yes) {
208 v->dcc_enabled_in_any_plane = dcn_bw_yes;
211 for (i = 0; i <= number_of_states_plus_one; i++) {
212 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);
213 v->return_bw_per_state[i] = v->return_bw_todcn_per_state;
214 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) {
215 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)));
217 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);
218 if (v->dcc_enabled_in_any_plane == dcn_bw_yes && v->critical_point > 1.0 && v->critical_point < 4.0) {
219 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));
221 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);
222 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) {
223 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)));
225 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);
226 if (v->dcc_enabled_in_any_plane == dcn_bw_yes && v->critical_point > 1.0 && v->critical_point < 4.0) {
227 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));
230 for (i = 0; i <= number_of_states_plus_one; i++) {
231 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)) {
232 v->bandwidth_support[i] = dcn_bw_yes;
235 v->bandwidth_support[i] = dcn_bw_no;
238 /*writeback latency support check*/
240 v->writeback_latency_support = dcn_bw_yes;
241 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
242 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) {
243 v->writeback_latency_support = dcn_bw_no;
245 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) {
246 v->writeback_latency_support = dcn_bw_no;
249 /*re-ordering buffer support check*/
251 for (i = 0; i <= number_of_states_plus_one; i++) {
252 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];
253 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]) {
254 v->rob_support[i] = dcn_bw_yes;
257 v->rob_support[i] = dcn_bw_no;
260 /*display io support check*/
262 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
263 if (v->output[k] == dcn_bw_dp && v->dsc_capability == dcn_bw_yes) {
264 if (v->output_format[k] == dcn_bw_420) {
265 v->required_output_bw = v->pixel_clock[k] / 2.0;
268 v->required_output_bw = v->pixel_clock[k];
271 else if (v->output_format[k] == dcn_bw_420) {
272 v->required_output_bw = v->pixel_clock[k] * 3.0 / 2.0;
275 v->required_output_bw = v->pixel_clock[k] * 3.0;
277 if (v->output[k] == dcn_bw_hdmi) {
278 v->required_phyclk[k] = v->required_output_bw;
279 switch (v->output_deep_color[k]) {
280 case dcn_bw_encoder_10bpc:
281 v->required_phyclk[k] = v->required_phyclk[k] * 5.0 / 4;
283 case dcn_bw_encoder_12bpc:
284 v->required_phyclk[k] = v->required_phyclk[k] * 3.0 / 2;
289 v->required_phyclk[k] = v->required_phyclk[k] / 3.0;
291 else if (v->output[k] == dcn_bw_dp) {
292 v->required_phyclk[k] = v->required_output_bw / 4.0;
295 v->required_phyclk[k] = 0.0;
298 for (i = 0; i <= number_of_states_plus_one; i++) {
299 v->dio_support[i] = dcn_bw_yes;
300 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
301 if (v->required_phyclk[k] > v->phyclk_per_state[i] || (v->output[k] == dcn_bw_hdmi && v->required_phyclk[k] > 600.0)) {
302 v->dio_support[i] = dcn_bw_no;
306 /*total available writeback support check*/
308 v->total_number_of_active_writeback = 0.0;
309 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
310 if (v->output[k] == dcn_bw_writeback) {
311 v->total_number_of_active_writeback = v->total_number_of_active_writeback + 1.0;
314 if (v->total_number_of_active_writeback <= v->max_num_writeback) {
315 v->total_available_writeback_support = dcn_bw_yes;
318 v->total_available_writeback_support = dcn_bw_no;
320 /*maximum dispclk/dppclk support check*/
322 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
323 if (v->h_ratio[k] > 1.0) {
324 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));
327 v->pscl_factor[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
329 if (v->byte_per_pixel_in_detc[k] == 0.0) {
330 v->pscl_factor_chroma[k] = 0.0;
331 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);
334 if (v->h_ratio[k] / 2.0 > 1.0) {
335 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));
338 v->pscl_factor_chroma[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
340 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);
343 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
344 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)) {
345 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
346 v->read256_block_height_y[k] = 1.0;
348 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
349 v->read256_block_height_y[k] = 4.0;
352 v->read256_block_height_y[k] = 8.0;
354 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];
355 v->read256_block_height_c[k] = 0.0;
356 v->read256_block_width_c[k] = 0.0;
359 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
360 v->read256_block_height_y[k] = 1.0;
361 v->read256_block_height_c[k] = 1.0;
363 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
364 v->read256_block_height_y[k] = 16.0;
365 v->read256_block_height_c[k] = 8.0;
368 v->read256_block_height_y[k] = 8.0;
369 v->read256_block_height_c[k] = 8.0;
371 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];
372 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];
374 if (v->source_scan[k] == dcn_bw_hor) {
375 v->max_swath_height_y[k] = v->read256_block_height_y[k];
376 v->max_swath_height_c[k] = v->read256_block_height_c[k];
379 v->max_swath_height_y[k] = v->read256_block_width_y[k];
380 v->max_swath_height_c[k] = v->read256_block_width_c[k];
382 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)) {
383 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)) {
384 v->min_swath_height_y[k] = v->max_swath_height_y[k];
387 v->min_swath_height_y[k] = v->max_swath_height_y[k] / 2.0;
389 v->min_swath_height_c[k] = v->max_swath_height_c[k];
392 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
393 v->min_swath_height_y[k] = v->max_swath_height_y[k];
394 v->min_swath_height_c[k] = v->max_swath_height_c[k];
396 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8 && v->source_scan[k] == dcn_bw_hor) {
397 v->min_swath_height_y[k] = v->max_swath_height_y[k] / 2.0;
398 if (v->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes) {
399 v->min_swath_height_c[k] = v->max_swath_height_c[k];
402 v->min_swath_height_c[k] = v->max_swath_height_c[k] / 2.0;
405 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10 && v->source_scan[k] == dcn_bw_hor) {
406 v->min_swath_height_c[k] = v->max_swath_height_c[k] / 2.0;
407 if (v->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes) {
408 v->min_swath_height_y[k] = v->max_swath_height_y[k];
411 v->min_swath_height_y[k] = v->max_swath_height_y[k] / 2.0;
415 v->min_swath_height_y[k] = v->max_swath_height_y[k];
416 v->min_swath_height_c[k] = v->max_swath_height_c[k];
419 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
420 v->maximum_swath_width = 8192.0;
423 v->maximum_swath_width = 5120.0;
425 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);
426 if (v->byte_per_pixel_in_detc[k] == 0.0) {
427 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);
430 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));
432 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);
434 for (i = 0; i <= number_of_states_plus_one; i++) {
435 for (j = 0; j <= 1; j++) {
436 v->total_number_of_active_dpp[i][j] = 0.0;
437 v->required_dispclk[i][j] = 0.0;
438 v->dispclk_dppclk_support[i][j] = dcn_bw_yes;
439 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
440 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);
441 if (v->odm_capability == dcn_bw_yes) {
442 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);
445 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);
447 if (i < number_of_states) {
448 v->min_dispclk_using_single_dpp = v->min_dispclk_using_single_dpp * (1.0 + v->dispclk_ramping_margin / 100.0);
449 v->min_dispclk_using_dual_dpp = v->min_dispclk_using_dual_dpp * (1.0 + v->dispclk_ramping_margin / 100.0);
451 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) {
452 v->no_of_dpp[i][j][k] = 1.0;
453 v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_single_dpp);
455 else if (v->min_dispclk_using_dual_dpp <=dcn_bw_min2(v->max_dispclk[i], (j + 1) * v->max_dppclk[i])) {
456 v->no_of_dpp[i][j][k] = 2.0;
457 v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_dual_dpp);
460 v->no_of_dpp[i][j][k] = 2.0;
461 v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_dual_dpp);
462 v->dispclk_dppclk_support[i][j] = dcn_bw_no;
464 v->total_number_of_active_dpp[i][j] = v->total_number_of_active_dpp[i][j] + v->no_of_dpp[i][j][k];
466 if (v->total_number_of_active_dpp[i][j] > v->max_num_dpp) {
467 v->total_number_of_active_dpp[i][j] = 0.0;
468 v->required_dispclk[i][j] = 0.0;
469 v->dispclk_dppclk_support[i][j] = dcn_bw_yes;
470 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
471 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);
472 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);
473 if (i < number_of_states) {
474 v->min_dispclk_using_single_dpp = v->min_dispclk_using_single_dpp * (1.0 + v->dispclk_ramping_margin / 100.0);
475 v->min_dispclk_using_dual_dpp = v->min_dispclk_using_dual_dpp * (1.0 + v->dispclk_ramping_margin / 100.0);
477 if (v->number_of_dpp_required_for_det_and_lb_size[k] <= 1.0) {
478 v->no_of_dpp[i][j][k] = 1.0;
479 v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_single_dpp);
480 if (v->min_dispclk_using_single_dpp >dcn_bw_min2(v->max_dispclk[i], (j + 1) * v->max_dppclk[i])) {
481 v->dispclk_dppclk_support[i][j] = dcn_bw_no;
485 v->no_of_dpp[i][j][k] = 2.0;
486 v->required_dispclk[i][j] =dcn_bw_max2(v->required_dispclk[i][j], v->min_dispclk_using_dual_dpp);
487 if (v->min_dispclk_using_dual_dpp >dcn_bw_min2(v->max_dispclk[i], (j + 1) * v->max_dppclk[i])) {
488 v->dispclk_dppclk_support[i][j] = dcn_bw_no;
491 v->total_number_of_active_dpp[i][j] = v->total_number_of_active_dpp[i][j] + v->no_of_dpp[i][j][k];
496 /*viewport size check*/
498 v->viewport_size_support = dcn_bw_yes;
499 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
500 if (v->number_of_dpp_required_for_det_and_lb_size[k] > 2.0) {
501 v->viewport_size_support = dcn_bw_no;
504 /*total available pipes support check*/
506 for (i = 0; i <= number_of_states_plus_one; i++) {
507 for (j = 0; j <= 1; j++) {
508 if (v->total_number_of_active_dpp[i][j] <= v->max_num_dpp) {
509 v->total_available_pipes_support[i][j] = dcn_bw_yes;
512 v->total_available_pipes_support[i][j] = dcn_bw_no;
516 /*urgent latency support check*/
518 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
519 for (i = 0; i <= number_of_states_plus_one; i++) {
520 for (j = 0; j <= 1; j++) {
521 v->swath_width_yper_state[i][j][k] = v->swath_width_ysingle_dpp[k] / v->no_of_dpp[i][j][k];
522 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];
523 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];
524 if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) {
525 v->rounded_up_max_swath_size_bytes_y =dcn_bw_ceil2(v->rounded_up_max_swath_size_bytes_y, 256.0) + 256;
527 if (v->max_swath_height_c[k] > 0.0) {
528 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];
530 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];
531 if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) {
532 v->rounded_up_max_swath_size_bytes_c =dcn_bw_ceil2(v->rounded_up_max_swath_size_bytes_c, 256.0) + 256;
534 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) {
535 v->swath_height_yper_state[i][j][k] = v->max_swath_height_y[k];
536 v->swath_height_cper_state[i][j][k] = v->max_swath_height_c[k];
539 v->swath_height_yper_state[i][j][k] = v->min_swath_height_y[k];
540 v->swath_height_cper_state[i][j][k] = v->min_swath_height_c[k];
542 if (v->byte_per_pixel_in_detc[k] == 0.0) {
543 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];
544 v->lines_in_det_chroma = 0.0;
546 else if (v->swath_height_yper_state[i][j][k] <= v->swath_height_cper_state[i][j][k]) {
547 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];
548 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);
551 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];
552 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);
554 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);
555 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);
556 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]);
557 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]);
558 if (v->byte_per_pixel_in_detc[k] == 0.0) {
559 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]);
562 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]));
567 for (i = 0; i <= number_of_states_plus_one; i++) {
568 for (j = 0; j <= 1; j++) {
569 v->urgent_latency_support[i][j] = dcn_bw_yes;
570 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
571 if (v->urgent_latency_support_us_per_state[i][j][k] < v->urgent_latency / 1.0) {
572 v->urgent_latency_support[i][j] = dcn_bw_no;
579 for (i = 0; i <= number_of_states_plus_one; i++) {
580 for (j = 0; j <= 1; j++) {
581 v->total_number_of_dcc_active_dpp[i][j] = 0.0;
582 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
583 if (v->dcc_enable[k] == dcn_bw_yes) {
584 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];
589 for (i = 0; i <= number_of_states_plus_one; i++) {
590 for (j = 0; j <= 1; j++) {
591 v->projected_dcfclk_deep_sleep = 8.0;
592 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
593 v->projected_dcfclk_deep_sleep =dcn_bw_max2(v->projected_dcfclk_deep_sleep, v->pixel_clock[k] / 16.0);
594 if (v->byte_per_pixel_in_detc[k] == 0.0) {
595 if (v->v_ratio[k] <= 1.0) {
596 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]);
599 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));
603 if (v->v_ratio[k] <= 1.0) {
604 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]);
607 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));
609 if (v->v_ratio[k] / 2.0 <= 1.0) {
610 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]);
613 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));
617 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
618 if (v->dcc_enable[k] == dcn_bw_yes) {
619 v->meta_req_height_y = 8.0 * v->read256_block_height_y[k];
620 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;
621 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;
622 v->meta_surface_height_y =dcn_bw_ceil2(v->viewport_height[k] - 1.0, v->meta_req_height_y) + v->meta_req_height_y;
623 if (v->pte_enable == dcn_bw_yes) {
624 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;
627 v->meta_pte_bytes_per_frame_y = 0.0;
629 if (v->source_scan[k] == dcn_bw_hor) {
630 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;
633 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;
637 v->meta_pte_bytes_per_frame_y = 0.0;
638 v->meta_row_bytes_y = 0.0;
640 if (v->pte_enable == dcn_bw_yes) {
641 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
642 v->macro_tile_block_size_bytes_y = 256.0;
643 v->macro_tile_block_height_y = 1.0;
645 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) {
646 v->macro_tile_block_size_bytes_y = 4096.0;
647 v->macro_tile_block_height_y = 4.0 * v->read256_block_height_y[k];
649 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) {
650 v->macro_tile_block_size_bytes_y = 64.0 * 1024;
651 v->macro_tile_block_height_y = 16.0 * v->read256_block_height_y[k];
654 v->macro_tile_block_size_bytes_y = 256.0 * 1024;
655 v->macro_tile_block_height_y = 32.0 * v->read256_block_height_y[k];
657 if (v->macro_tile_block_size_bytes_y <= 65536.0) {
658 v->data_pte_req_height_y = v->macro_tile_block_height_y;
661 v->data_pte_req_height_y = 16.0 * v->read256_block_height_y[k];
663 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;
664 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
665 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);
667 else if (v->source_scan[k] == dcn_bw_hor) {
668 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);
671 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);
675 v->dpte_bytes_per_row_y = 0.0;
677 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)) {
678 if (v->dcc_enable[k] == dcn_bw_yes) {
679 v->meta_req_height_c = 8.0 * v->read256_block_height_c[k];
680 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;
681 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;
682 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;
683 if (v->pte_enable == dcn_bw_yes) {
684 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;
687 v->meta_pte_bytes_per_frame_c = 0.0;
689 if (v->source_scan[k] == dcn_bw_hor) {
690 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;
693 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;
697 v->meta_pte_bytes_per_frame_c = 0.0;
698 v->meta_row_bytes_c = 0.0;
700 if (v->pte_enable == dcn_bw_yes) {
701 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
702 v->macro_tile_block_size_bytes_c = 256.0;
703 v->macro_tile_block_height_c = 1.0;
705 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) {
706 v->macro_tile_block_size_bytes_c = 4096.0;
707 v->macro_tile_block_height_c = 4.0 * v->read256_block_height_c[k];
709 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) {
710 v->macro_tile_block_size_bytes_c = 64.0 * 1024;
711 v->macro_tile_block_height_c = 16.0 * v->read256_block_height_c[k];
714 v->macro_tile_block_size_bytes_c = 256.0 * 1024;
715 v->macro_tile_block_height_c = 32.0 * v->read256_block_height_c[k];
717 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;
718 if (v->macro_tile_block_size_bytes_c <= 65536.0) {
719 v->data_pte_req_height_c = v->macro_tile_block_height_c;
722 v->data_pte_req_height_c = 16.0 * v->read256_block_height_c[k];
724 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;
725 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
726 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);
728 else if (v->source_scan[k] == dcn_bw_hor) {
729 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);
732 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);
736 v->dpte_bytes_per_row_c = 0.0;
740 v->dpte_bytes_per_row_c = 0.0;
741 v->meta_pte_bytes_per_frame_c = 0.0;
742 v->meta_row_bytes_c = 0.0;
744 v->dpte_bytes_per_row[k] = v->dpte_bytes_per_row_y + v->dpte_bytes_per_row_c;
745 v->meta_pte_bytes_per_frame[k] = v->meta_pte_bytes_per_frame_y + v->meta_pte_bytes_per_frame_c;
746 v->meta_row_bytes[k] = v->meta_row_bytes_y + v->meta_row_bytes_c;
747 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;
748 v->prefill_y[k] =dcn_bw_floor2(v->v_init_y, 1.0);
749 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;
750 if (v->prefill_y[k] > 1.0) {
751 v->max_partial_sw_y =dcn_bw_mod((v->prefill_y[k] - 2.0), v->swath_height_yper_state[i][j][k]);
754 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]);
756 v->max_partial_sw_y =dcn_bw_max2(1.0, v->max_partial_sw_y);
757 v->prefetch_lines_y[k] = v->max_num_sw_y[k] * v->swath_height_yper_state[i][j][k] + v->max_partial_sw_y;
758 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)) {
759 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;
760 v->prefill_c[k] =dcn_bw_floor2(v->v_init_c, 1.0);
761 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;
762 if (v->prefill_c[k] > 1.0) {
763 v->max_partial_sw_c =dcn_bw_mod((v->prefill_c[k] - 2.0), v->swath_height_cper_state[i][j][k]);
766 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]);
768 v->max_partial_sw_c =dcn_bw_max2(1.0, v->max_partial_sw_c);
769 v->prefetch_lines_c[k] = v->max_num_sw_c[k] * v->swath_height_cper_state[i][j][k] + v->max_partial_sw_c;
772 v->prefetch_lines_c[k] = 0.0;
774 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];
775 if (v->no_of_dpp[i][j][k] > 1.0) {
776 v->dst_x_after_scaler = v->dst_x_after_scaler + v->scaler_rec_out_width[k] / 2.0;
778 if (v->output_format[k] == dcn_bw_420) {
779 v->dst_y_after_scaler = 1.0;
782 v->dst_y_after_scaler = 0.0;
784 v->time_calc = 24.0 / v->projected_dcfclk_deep_sleep;
785 v->v_update_offset[k][j] = dcn_bw_ceil2(v->htotal[k] / 4.0, 1.0);
786 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]);
787 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];
788 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];
789 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];
790 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];
791 if (v->pte_enable == dcn_bw_yes) {
792 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];
794 if (v->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one == dcn_bw_yes) {
795 v->maximum_vstartup = v->vtotal[k] - v->vactive[k] - 1.0;
798 v->maximum_vstartup = v->v_sync_plus_back_porch[k] - 1.0;
800 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]);
801 v->line_times_for_prefetch[k] =dcn_bw_floor2(4.0 * (v->line_times_for_prefetch[k] + 0.125), 1.0) / 4;
802 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]);
804 v->bw_available_for_immediate_flip = v->return_bw_per_state[i];
805 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
806 v->bw_available_for_immediate_flip = v->bw_available_for_immediate_flip -dcn_bw_max2(v->read_bandwidth[k], v->prefetch_bw[k]);
808 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
809 v->total_immediate_flip_bytes[k] = 0.0;
810 if ((v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
811 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];
814 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
815 if (v->pte_enable == dcn_bw_yes && v->dcc_enable[k] == dcn_bw_yes) {
816 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] / (v->bw_available_for_immediate_flip * (v->meta_pte_bytes_per_frame[k] + v->meta_row_bytes[k] + v->dpte_bytes_per_row[k])), v->extra_latency, v->urgent_latency, v->htotal[k] / v->pixel_clock[k] / 4.0);
817 v->time_for_meta_pte_without_immediate_flip =dcn_bw_max3(v->meta_pte_bytes_per_frame[k] / v->prefetch_bw[k], v->extra_latency, v->htotal[k] / v->pixel_clock[k] / 4.0);
820 v->time_for_meta_pte_with_immediate_flip = v->htotal[k] / v->pixel_clock[k] / 4.0;
821 v->time_for_meta_pte_without_immediate_flip = v->htotal[k] / v->pixel_clock[k] / 4.0;
823 if (v->pte_enable == dcn_bw_yes || v->dcc_enable[k] == dcn_bw_yes) {
824 v->time_for_meta_and_dpte_row_with_immediate_flip =dcn_bw_max5((v->meta_row_bytes[k] + v->dpte_bytes_per_row[k]) / v->prefetch_bw[k], (v->meta_row_bytes[k] + v->dpte_bytes_per_row[k]) * v->total_immediate_flip_bytes[k] / (v->bw_available_for_immediate_flip * (v->meta_pte_bytes_per_frame[k] + v->meta_row_bytes[k] + v->dpte_bytes_per_row[k])), v->htotal[k] / v->pixel_clock[k] - v->time_for_meta_pte_with_immediate_flip, v->extra_latency, 2.0 * v->urgent_latency);
825 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);
828 v->time_for_meta_and_dpte_row_with_immediate_flip =dcn_bw_max2(v->htotal[k] / v->pixel_clock[k] - v->time_for_meta_pte_with_immediate_flip, v->extra_latency - v->time_for_meta_pte_with_immediate_flip);
829 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_without_immediate_flip);
831 v->lines_for_meta_pte_with_immediate_flip[k] =dcn_bw_floor2(4.0 * (v->time_for_meta_pte_with_immediate_flip / (v->htotal[k] / v->pixel_clock[k]) + 0.125), 1.0) / 4;
832 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;
833 v->lines_for_meta_and_dpte_row_with_immediate_flip[k] =dcn_bw_floor2(4.0 * (v->time_for_meta_and_dpte_row_with_immediate_flip / (v->htotal[k] / v->pixel_clock[k]) + 0.125), 1.0) / 4;
834 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;
835 v->line_times_to_request_prefetch_pixel_data_with_immediate_flip = v->line_times_for_prefetch[k] - v->lines_for_meta_pte_with_immediate_flip[k] - v->lines_for_meta_and_dpte_row_with_immediate_flip[k];
836 v->line_times_to_request_prefetch_pixel_data_without_immediate_flip = v->line_times_for_prefetch[k] - v->lines_for_meta_pte_without_immediate_flip[k] - v->lines_for_meta_and_dpte_row_without_immediate_flip[k];
837 if (v->line_times_to_request_prefetch_pixel_data_with_immediate_flip > 0.0) {
838 v->v_ratio_pre_ywith_immediate_flip[i][j][k] = v->prefetch_lines_y[k] / v->line_times_to_request_prefetch_pixel_data_with_immediate_flip;
839 if ((v->swath_height_yper_state[i][j][k] > 4.0)) {
840 if (v->line_times_to_request_prefetch_pixel_data_with_immediate_flip - (v->prefill_y[k] - 3.0) / 2.0 > 0.0) {
841 v->v_ratio_pre_ywith_immediate_flip[i][j][k] =dcn_bw_max2(v->v_ratio_pre_ywith_immediate_flip[i][j][k], (v->max_num_sw_y[k] * v->swath_height_yper_state[i][j][k]) / (v->line_times_to_request_prefetch_pixel_data_with_immediate_flip - (v->prefill_y[k] - 3.0) / 2.0));
844 v->v_ratio_pre_ywith_immediate_flip[i][j][k] = 999999.0;
847 v->v_ratio_pre_cwith_immediate_flip[i][j][k] = v->prefetch_lines_c[k] / v->line_times_to_request_prefetch_pixel_data_with_immediate_flip;
848 if ((v->swath_height_cper_state[i][j][k] > 4.0)) {
849 if (v->line_times_to_request_prefetch_pixel_data_with_immediate_flip - (v->prefill_c[k] - 3.0) / 2.0 > 0.0) {
850 v->v_ratio_pre_cwith_immediate_flip[i][j][k] =dcn_bw_max2(v->v_ratio_pre_cwith_immediate_flip[i][j][k], (v->max_num_sw_c[k] * v->swath_height_cper_state[i][j][k]) / (v->line_times_to_request_prefetch_pixel_data_with_immediate_flip - (v->prefill_c[k] - 3.0) / 2.0));
853 v->v_ratio_pre_cwith_immediate_flip[i][j][k] = 999999.0;
856 v->required_prefetch_pixel_data_bw_with_immediate_flip[i][j][k] = v->no_of_dpp[i][j][k] * (v->prefetch_lines_y[k] / v->line_times_to_request_prefetch_pixel_data_with_immediate_flip *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) + v->prefetch_lines_c[k] / v->line_times_to_request_prefetch_pixel_data_with_immediate_flip *dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / 2.0) * v->swath_width_yper_state[i][j][k] / (v->htotal[k] / v->pixel_clock[k]);
859 v->v_ratio_pre_ywith_immediate_flip[i][j][k] = 999999.0;
860 v->v_ratio_pre_cwith_immediate_flip[i][j][k] = 999999.0;
861 v->required_prefetch_pixel_data_bw_with_immediate_flip[i][j][k] = 999999.0;
863 if (v->line_times_to_request_prefetch_pixel_data_without_immediate_flip > 0.0) {
864 v->v_ratio_pre_ywithout_immediate_flip[i][j][k] = v->prefetch_lines_y[k] / v->line_times_to_request_prefetch_pixel_data_without_immediate_flip;
865 if ((v->swath_height_yper_state[i][j][k] > 4.0)) {
866 if (v->line_times_to_request_prefetch_pixel_data_without_immediate_flip - (v->prefill_y[k] - 3.0) / 2.0 > 0.0) {
867 v->v_ratio_pre_ywithout_immediate_flip[i][j][k] =dcn_bw_max2(v->v_ratio_pre_ywithout_immediate_flip[i][j][k], (v->max_num_sw_y[k] * v->swath_height_yper_state[i][j][k]) / (v->line_times_to_request_prefetch_pixel_data_without_immediate_flip - (v->prefill_y[k] - 3.0) / 2.0));
870 v->v_ratio_pre_ywithout_immediate_flip[i][j][k] = 999999.0;
873 v->v_ratio_pre_cwithout_immediate_flip[i][j][k] = v->prefetch_lines_c[k] / v->line_times_to_request_prefetch_pixel_data_without_immediate_flip;
874 if ((v->swath_height_cper_state[i][j][k] > 4.0)) {
875 if (v->line_times_to_request_prefetch_pixel_data_without_immediate_flip - (v->prefill_c[k] - 3.0) / 2.0 > 0.0) {
876 v->v_ratio_pre_cwithout_immediate_flip[i][j][k] =dcn_bw_max2(v->v_ratio_pre_cwithout_immediate_flip[i][j][k], (v->max_num_sw_c[k] * v->swath_height_cper_state[i][j][k]) / (v->line_times_to_request_prefetch_pixel_data_without_immediate_flip - (v->prefill_c[k] - 3.0) / 2.0));
879 v->v_ratio_pre_cwithout_immediate_flip[i][j][k] = 999999.0;
882 v->required_prefetch_pixel_data_bw_without_immediate_flip[i][j][k] = v->no_of_dpp[i][j][k] * (v->prefetch_lines_y[k] / v->line_times_to_request_prefetch_pixel_data_without_immediate_flip *dcn_bw_ceil2(v->byte_per_pixel_in_dety[k], 1.0) + v->prefetch_lines_c[k] / v->line_times_to_request_prefetch_pixel_data_without_immediate_flip *dcn_bw_ceil2(v->byte_per_pixel_in_detc[k], 2.0) / 2.0) * v->swath_width_yper_state[i][j][k] / (v->htotal[k] / v->pixel_clock[k]);
885 v->v_ratio_pre_ywithout_immediate_flip[i][j][k] = 999999.0;
886 v->v_ratio_pre_cwithout_immediate_flip[i][j][k] = 999999.0;
887 v->required_prefetch_pixel_data_bw_without_immediate_flip[i][j][k] = 999999.0;
890 v->maximum_read_bandwidth_with_prefetch_with_immediate_flip = 0.0;
891 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
892 if ((v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
893 v->maximum_read_bandwidth_with_prefetch_with_immediate_flip = v->maximum_read_bandwidth_with_prefetch_with_immediate_flip +dcn_bw_max2(v->read_bandwidth[k], v->required_prefetch_pixel_data_bw_with_immediate_flip[i][j][k]) +dcn_bw_max2(v->meta_pte_bytes_per_frame[k] / (v->lines_for_meta_pte_with_immediate_flip[k] * v->htotal[k] / v->pixel_clock[k]), (v->meta_row_bytes[k] + v->dpte_bytes_per_row[k]) / (v->lines_for_meta_and_dpte_row_with_immediate_flip[k] * v->htotal[k] / v->pixel_clock[k]));
896 v->maximum_read_bandwidth_with_prefetch_with_immediate_flip = v->maximum_read_bandwidth_with_prefetch_with_immediate_flip +dcn_bw_max2(v->read_bandwidth[k], v->required_prefetch_pixel_data_bw_without_immediate_flip[i][j][k]);
899 v->maximum_read_bandwidth_with_prefetch_without_immediate_flip = 0.0;
900 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
901 v->maximum_read_bandwidth_with_prefetch_without_immediate_flip = v->maximum_read_bandwidth_with_prefetch_without_immediate_flip +dcn_bw_max2(v->read_bandwidth[k], v->required_prefetch_pixel_data_bw_without_immediate_flip[i][j][k]);
903 v->prefetch_supported_with_immediate_flip[i][j] = dcn_bw_yes;
904 if (v->maximum_read_bandwidth_with_prefetch_with_immediate_flip > v->return_bw_per_state[i]) {
905 v->prefetch_supported_with_immediate_flip[i][j] = dcn_bw_no;
907 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
908 if (v->line_times_for_prefetch[k] < 2.0 || v->lines_for_meta_pte_with_immediate_flip[k] >= 8.0 || v->lines_for_meta_and_dpte_row_with_immediate_flip[k] >= 16.0) {
909 v->prefetch_supported_with_immediate_flip[i][j] = dcn_bw_no;
912 v->prefetch_supported_without_immediate_flip[i][j] = dcn_bw_yes;
913 if (v->maximum_read_bandwidth_with_prefetch_without_immediate_flip > v->return_bw_per_state[i]) {
914 v->prefetch_supported_without_immediate_flip[i][j] = dcn_bw_no;
916 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
917 if (v->line_times_for_prefetch[k] < 2.0 || v->lines_for_meta_pte_without_immediate_flip[k] >= 8.0 || v->lines_for_meta_and_dpte_row_without_immediate_flip[k] >= 16.0) {
918 v->prefetch_supported_without_immediate_flip[i][j] = dcn_bw_no;
923 for (i = 0; i <= number_of_states_plus_one; i++) {
924 for (j = 0; j <= 1; j++) {
925 v->v_ratio_in_prefetch_supported_with_immediate_flip[i][j] = dcn_bw_yes;
926 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
927 if ((((v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10) && (v->v_ratio_pre_ywith_immediate_flip[i][j][k] > 4.0 || v->v_ratio_pre_cwith_immediate_flip[i][j][k] > 4.0)) || ((v->source_pixel_format[k] == dcn_bw_yuv420_sub_8 || v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) && (v->v_ratio_pre_ywithout_immediate_flip[i][j][k] > 4.0 || v->v_ratio_pre_cwithout_immediate_flip[i][j][k] > 4.0)))) {
928 v->v_ratio_in_prefetch_supported_with_immediate_flip[i][j] = dcn_bw_no;
931 v->v_ratio_in_prefetch_supported_without_immediate_flip[i][j] = dcn_bw_yes;
932 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
933 if ((v->v_ratio_pre_ywithout_immediate_flip[i][j][k] > 4.0 || v->v_ratio_pre_cwithout_immediate_flip[i][j][k] > 4.0)) {
934 v->v_ratio_in_prefetch_supported_without_immediate_flip[i][j] = dcn_bw_no;
939 /*mode support, voltage state and soc configuration*/
941 for (i = number_of_states_plus_one; i >= 0; i--) {
942 for (j = 0; j <= 1; j++) {
943 if (v->scale_ratio_support == dcn_bw_yes && v->source_format_pixel_and_scan_support == dcn_bw_yes && v->viewport_size_support == dcn_bw_yes && v->bandwidth_support[i] == dcn_bw_yes && v->dio_support[i] == dcn_bw_yes && v->urgent_latency_support[i][j] == dcn_bw_yes && v->rob_support[i] == dcn_bw_yes && v->dispclk_dppclk_support[i][j] == dcn_bw_yes && v->total_available_pipes_support[i][j] == dcn_bw_yes && v->total_available_writeback_support == dcn_bw_yes && v->writeback_latency_support == dcn_bw_yes) {
944 if (v->prefetch_supported_with_immediate_flip[i][j] == dcn_bw_yes && v->v_ratio_in_prefetch_supported_with_immediate_flip[i][j] == dcn_bw_yes) {
945 v->mode_support_with_immediate_flip[i][j] = dcn_bw_yes;
948 v->mode_support_with_immediate_flip[i][j] = dcn_bw_no;
950 if (v->prefetch_supported_without_immediate_flip[i][j] == dcn_bw_yes && v->v_ratio_in_prefetch_supported_without_immediate_flip[i][j] == dcn_bw_yes) {
951 v->mode_support_without_immediate_flip[i][j] = dcn_bw_yes;
954 v->mode_support_without_immediate_flip[i][j] = dcn_bw_no;
958 v->mode_support_with_immediate_flip[i][j] = dcn_bw_no;
959 v->mode_support_without_immediate_flip[i][j] = dcn_bw_no;
963 for (i = number_of_states_plus_one; i >= 0; i--) {
964 if ((i == number_of_states_plus_one || v->mode_support_with_immediate_flip[i][1] == dcn_bw_yes || v->mode_support_with_immediate_flip[i][0] == dcn_bw_yes) && i >= v->voltage_override_level) {
965 v->voltage_level_with_immediate_flip = i;
968 for (i = number_of_states_plus_one; i >= 0; i--) {
969 if ((i == number_of_states_plus_one || v->mode_support_without_immediate_flip[i][1] == dcn_bw_yes || v->mode_support_without_immediate_flip[i][0] == dcn_bw_yes) && i >= v->voltage_override_level) {
970 v->voltage_level_without_immediate_flip = i;
973 if (v->voltage_level_with_immediate_flip == number_of_states_plus_one) {
974 v->immediate_flip_supported = dcn_bw_no;
975 v->voltage_level = v->voltage_level_without_immediate_flip;
978 v->immediate_flip_supported = dcn_bw_yes;
979 v->voltage_level = v->voltage_level_with_immediate_flip;
981 v->dcfclk = v->dcfclk_per_state[v->voltage_level];
982 v->fabric_and_dram_bandwidth = v->fabric_and_dram_bandwidth_per_state[v->voltage_level];
983 for (j = 0; j <= 1; j++) {
984 v->required_dispclk_per_ratio[j] = v->required_dispclk[v->voltage_level][j];
985 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
986 v->dpp_per_plane_per_ratio[j][k] = v->no_of_dpp[v->voltage_level][j][k];
988 v->dispclk_dppclk_support_per_ratio[j] = v->dispclk_dppclk_support[v->voltage_level][j];
990 v->max_phyclk = v->phyclk_per_state[v->voltage_level];
992 void display_pipe_configuration(struct dcn_bw_internal_vars *v)
996 /*display pipe configuration*/
998 for (j = 0; j <= 1; j++) {
999 v->total_number_of_active_dpp_per_ratio[j] = 0.0;
1000 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1001 v->total_number_of_active_dpp_per_ratio[j] = v->total_number_of_active_dpp_per_ratio[j] + v->dpp_per_plane_per_ratio[j][k];
1004 if ((v->dispclk_dppclk_support_per_ratio[0] == dcn_bw_yes && v->dispclk_dppclk_support_per_ratio[1] == dcn_bw_no) || (v->dispclk_dppclk_support_per_ratio[0] == v->dispclk_dppclk_support_per_ratio[1] && (v->total_number_of_active_dpp_per_ratio[0] < v->total_number_of_active_dpp_per_ratio[1] || (((v->total_number_of_active_dpp_per_ratio[0] == v->total_number_of_active_dpp_per_ratio[1]) && v->required_dispclk_per_ratio[0] <= 0.5 * v->required_dispclk_per_ratio[1]))))) {
1005 v->dispclk_dppclk_ratio = 1;
1006 v->final_error_message = v->error_message[0];
1009 v->dispclk_dppclk_ratio = 2;
1010 v->final_error_message = v->error_message[1];
1012 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1013 v->dpp_per_plane[k] = v->dpp_per_plane_per_ratio[v->dispclk_dppclk_ratio - 1][k];
1015 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1016 if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1017 v->byte_per_pix_dety = 8.0;
1018 v->byte_per_pix_detc = 0.0;
1020 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_32) {
1021 v->byte_per_pix_dety = 4.0;
1022 v->byte_per_pix_detc = 0.0;
1024 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_16) {
1025 v->byte_per_pix_dety = 2.0;
1026 v->byte_per_pix_detc = 0.0;
1028 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
1029 v->byte_per_pix_dety = 1.0;
1030 v->byte_per_pix_detc = 2.0;
1033 v->byte_per_pix_dety = 4.0f / 3.0f;
1034 v->byte_per_pix_detc = 8.0f / 3.0f;
1036 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)) {
1037 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1038 v->read256_bytes_block_height_y = 1.0;
1040 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1041 v->read256_bytes_block_height_y = 4.0;
1044 v->read256_bytes_block_height_y = 8.0;
1046 v->read256_bytes_block_width_y = 256.0 /dcn_bw_ceil2(v->byte_per_pix_dety, 1.0) / v->read256_bytes_block_height_y;
1047 v->read256_bytes_block_height_c = 0.0;
1048 v->read256_bytes_block_width_c = 0.0;
1051 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1052 v->read256_bytes_block_height_y = 1.0;
1053 v->read256_bytes_block_height_c = 1.0;
1055 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
1056 v->read256_bytes_block_height_y = 16.0;
1057 v->read256_bytes_block_height_c = 8.0;
1060 v->read256_bytes_block_height_y = 8.0;
1061 v->read256_bytes_block_height_c = 8.0;
1063 v->read256_bytes_block_width_y = 256.0 /dcn_bw_ceil2(v->byte_per_pix_dety, 1.0) / v->read256_bytes_block_height_y;
1064 v->read256_bytes_block_width_c = 256.0 /dcn_bw_ceil2(v->byte_per_pix_detc, 2.0) / v->read256_bytes_block_height_c;
1066 if (v->source_scan[k] == dcn_bw_hor) {
1067 v->maximum_swath_height_y = v->read256_bytes_block_height_y;
1068 v->maximum_swath_height_c = v->read256_bytes_block_height_c;
1071 v->maximum_swath_height_y = v->read256_bytes_block_width_y;
1072 v->maximum_swath_height_c = v->read256_bytes_block_width_c;
1074 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)) {
1075 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)) {
1076 v->minimum_swath_height_y = v->maximum_swath_height_y;
1079 v->minimum_swath_height_y = v->maximum_swath_height_y / 2.0;
1081 v->minimum_swath_height_c = v->maximum_swath_height_c;
1084 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1085 v->minimum_swath_height_y = v->maximum_swath_height_y;
1086 v->minimum_swath_height_c = v->maximum_swath_height_c;
1088 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8 && v->source_scan[k] == dcn_bw_hor) {
1089 v->minimum_swath_height_y = v->maximum_swath_height_y / 2.0;
1090 if (v->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes) {
1091 v->minimum_swath_height_c = v->maximum_swath_height_c;
1094 v->minimum_swath_height_c = v->maximum_swath_height_c / 2.0;
1097 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10 && v->source_scan[k] == dcn_bw_hor) {
1098 v->minimum_swath_height_c = v->maximum_swath_height_c / 2.0;
1099 if (v->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes) {
1100 v->minimum_swath_height_y = v->maximum_swath_height_y;
1103 v->minimum_swath_height_y = v->maximum_swath_height_y / 2.0;
1107 v->minimum_swath_height_y = v->maximum_swath_height_y;
1108 v->minimum_swath_height_c = v->maximum_swath_height_c;
1111 if (v->source_scan[k] == dcn_bw_hor) {
1112 v->swath_width = v->viewport_width[k] / v->dpp_per_plane[k];
1115 v->swath_width = v->viewport_height[k] / v->dpp_per_plane[k];
1117 v->swath_width_granularity_y = 256.0 /dcn_bw_ceil2(v->byte_per_pix_dety, 1.0) / v->maximum_swath_height_y;
1118 v->rounded_up_max_swath_size_bytes_y = (dcn_bw_ceil2(v->swath_width - 1.0, v->swath_width_granularity_y) + v->swath_width_granularity_y) * v->byte_per_pix_dety * v->maximum_swath_height_y;
1119 if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) {
1120 v->rounded_up_max_swath_size_bytes_y =dcn_bw_ceil2(v->rounded_up_max_swath_size_bytes_y, 256.0) + 256;
1122 if (v->maximum_swath_height_c > 0.0) {
1123 v->swath_width_granularity_c = 256.0 /dcn_bw_ceil2(v->byte_per_pix_detc, 2.0) / v->maximum_swath_height_c;
1125 v->rounded_up_max_swath_size_bytes_c = (dcn_bw_ceil2(v->swath_width / 2.0 - 1.0, v->swath_width_granularity_c) + v->swath_width_granularity_c) * v->byte_per_pix_detc * v->maximum_swath_height_c;
1126 if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) {
1127 v->rounded_up_max_swath_size_bytes_c =dcn_bw_ceil2(v->rounded_up_max_swath_size_bytes_c, 256.0) + 256;
1129 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) {
1130 v->swath_height_y[k] = v->maximum_swath_height_y;
1131 v->swath_height_c[k] = v->maximum_swath_height_c;
1134 v->swath_height_y[k] = v->minimum_swath_height_y;
1135 v->swath_height_c[k] = v->minimum_swath_height_c;
1137 if (v->swath_height_c[k] == 0.0) {
1138 v->det_buffer_size_y[k] = v->det_buffer_size_in_kbyte * 1024.0;
1139 v->det_buffer_size_c[k] = 0.0;
1141 else if (v->swath_height_y[k] <= v->swath_height_c[k]) {
1142 v->det_buffer_size_y[k] = v->det_buffer_size_in_kbyte * 1024.0 / 2.0;
1143 v->det_buffer_size_c[k] = v->det_buffer_size_in_kbyte * 1024.0 / 2.0;
1146 v->det_buffer_size_y[k] = v->det_buffer_size_in_kbyte * 1024.0 * 2.0 / 3.0;
1147 v->det_buffer_size_c[k] = v->det_buffer_size_in_kbyte * 1024.0 / 3.0;
1151 void dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(struct dcn_bw_internal_vars *v)
1154 /*dispclk and dppclk calculation*/
1156 v->dispclk_with_ramping = 0.0;
1157 v->dispclk_without_ramping = 0.0;
1158 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1159 if (v->h_ratio[k] > 1.0) {
1160 v->pscl_throughput[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));
1163 v->pscl_throughput[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
1165 v->dppclk_using_single_dpp_luma = 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_throughput[k], 1.0);
1166 if ((v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
1167 v->pscl_throughput_chroma[k] = 0.0;
1168 v->dppclk_using_single_dpp = v->dppclk_using_single_dpp_luma;
1171 if (v->h_ratio[k] > 1.0) {
1172 v->pscl_throughput_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));
1175 v->pscl_throughput_chroma[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
1177 v->dppclk_using_single_dpp_chroma = v->pixel_clock[k] *dcn_bw_max3(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_throughput_chroma[k], 1.0);
1178 v->dppclk_using_single_dpp =dcn_bw_max2(v->dppclk_using_single_dpp_luma, v->dppclk_using_single_dpp_chroma);
1180 if (v->odm_capable == dcn_bw_yes) {
1181 v->dispclk_with_ramping =dcn_bw_max2(v->dispclk_with_ramping,dcn_bw_max2(v->dppclk_using_single_dpp / v->dpp_per_plane[k] * v->dispclk_dppclk_ratio, v->pixel_clock[k] / v->dpp_per_plane[k]) * (1.0 + v->downspreading / 100.0) * (1.0 + v->dispclk_ramping_margin / 100.0));
1182 v->dispclk_without_ramping =dcn_bw_max2(v->dispclk_without_ramping,dcn_bw_max2(v->dppclk_using_single_dpp / v->dpp_per_plane[k] * v->dispclk_dppclk_ratio, v->pixel_clock[k] / v->dpp_per_plane[k]) * (1.0 + v->downspreading / 100.0));
1185 v->dispclk_with_ramping =dcn_bw_max2(v->dispclk_with_ramping,dcn_bw_max2(v->dppclk_using_single_dpp / v->dpp_per_plane[k] * v->dispclk_dppclk_ratio, v->pixel_clock[k]) * (1.0 + v->downspreading / 100.0) * (1.0 + v->dispclk_ramping_margin / 100.0));
1186 v->dispclk_without_ramping =dcn_bw_max2(v->dispclk_without_ramping,dcn_bw_max2(v->dppclk_using_single_dpp / v->dpp_per_plane[k] * v->dispclk_dppclk_ratio, v->pixel_clock[k]) * (1.0 + v->downspreading / 100.0));
1189 if (v->dispclk_without_ramping > v->max_dispclk[number_of_states]) {
1190 v->dispclk = v->dispclk_without_ramping;
1192 else if (v->dispclk_with_ramping > v->max_dispclk[number_of_states]) {
1193 v->dispclk = v->max_dispclk[number_of_states];
1196 v->dispclk = v->dispclk_with_ramping;
1198 v->dppclk = v->dispclk / v->dispclk_dppclk_ratio;
1199 /*urgent watermark*/
1201 v->return_bandwidth_to_dcn =dcn_bw_min2(v->return_bus_width * v->dcfclk, v->fabric_and_dram_bandwidth * 1000.0 * v->percent_of_ideal_drambw_received_after_urg_latency / 100.0);
1202 v->dcc_enabled_any_plane = dcn_bw_no;
1203 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1204 if (v->dcc_enable[k] == dcn_bw_yes) {
1205 v->dcc_enabled_any_plane = dcn_bw_yes;
1208 v->return_bw = v->return_bandwidth_to_dcn;
1209 if (v->dcc_enabled_any_plane == dcn_bw_yes && v->return_bandwidth_to_dcn > v->dcfclk * v->return_bus_width / 4.0) {
1210 v->return_bw =dcn_bw_min2(v->return_bw, v->return_bandwidth_to_dcn * 4.0 * (1.0 - v->urgent_latency / ((v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 / (v->return_bandwidth_to_dcn - v->dcfclk * v->return_bus_width / 4.0) + v->urgent_latency)));
1212 v->critical_compression = 2.0 * v->return_bus_width * v->dcfclk * v->urgent_latency / (v->return_bandwidth_to_dcn * v->urgent_latency + (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0);
1213 if (v->dcc_enabled_any_plane == dcn_bw_yes && v->critical_compression > 1.0 && v->critical_compression < 4.0) {
1214 v->return_bw =dcn_bw_min2(v->return_bw, dcn_bw_pow(4.0 * v->return_bandwidth_to_dcn * (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 * v->return_bus_width * v->dcfclk * v->urgent_latency / (v->return_bandwidth_to_dcn * v->urgent_latency + (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0), 2));
1216 v->return_bandwidth_to_dcn =dcn_bw_min2(v->return_bus_width * v->dcfclk, v->fabric_and_dram_bandwidth * 1000.0);
1217 if (v->dcc_enabled_any_plane == dcn_bw_yes && v->return_bandwidth_to_dcn > v->dcfclk * v->return_bus_width / 4.0) {
1218 v->return_bw =dcn_bw_min2(v->return_bw, v->return_bandwidth_to_dcn * 4.0 * (1.0 - v->urgent_latency / ((v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 / (v->return_bandwidth_to_dcn - v->dcfclk * v->return_bus_width / 4.0) + v->urgent_latency)));
1220 v->critical_compression = 2.0 * v->return_bus_width * v->dcfclk * v->urgent_latency / (v->return_bandwidth_to_dcn * v->urgent_latency + (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0);
1221 if (v->dcc_enabled_any_plane == dcn_bw_yes && v->critical_compression > 1.0 && v->critical_compression < 4.0) {
1222 v->return_bw =dcn_bw_min2(v->return_bw, dcn_bw_pow(4.0 * v->return_bandwidth_to_dcn * (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0 * v->return_bus_width * v->dcfclk * v->urgent_latency / (v->return_bandwidth_to_dcn * v->urgent_latency + (v->rob_buffer_size_in_kbyte - v->pixel_chunk_size_in_kbyte) * 1024.0), 2));
1224 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1225 if (v->source_scan[k] == dcn_bw_hor) {
1226 v->swath_width_y[k] = v->viewport_width[k] / v->dpp_per_plane[k];
1229 v->swath_width_y[k] = v->viewport_height[k] / v->dpp_per_plane[k];
1232 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1233 if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1234 v->byte_per_pixel_dety[k] = 8.0;
1235 v->byte_per_pixel_detc[k] = 0.0;
1237 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_32) {
1238 v->byte_per_pixel_dety[k] = 4.0;
1239 v->byte_per_pixel_detc[k] = 0.0;
1241 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_16) {
1242 v->byte_per_pixel_dety[k] = 2.0;
1243 v->byte_per_pixel_detc[k] = 0.0;
1245 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
1246 v->byte_per_pixel_dety[k] = 1.0;
1247 v->byte_per_pixel_detc[k] = 2.0;
1250 v->byte_per_pixel_dety[k] = 4.0f / 3.0f;
1251 v->byte_per_pixel_detc[k] = 8.0f / 3.0f;
1254 v->total_data_read_bandwidth = 0.0;
1255 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1256 v->read_bandwidth_plane_luma[k] = v->swath_width_y[k] * v->dpp_per_plane[k] *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / (v->htotal[k] / v->pixel_clock[k]) * v->v_ratio[k];
1257 v->read_bandwidth_plane_chroma[k] = v->swath_width_y[k] / 2.0 * v->dpp_per_plane[k] *dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / (v->htotal[k] / v->pixel_clock[k]) * v->v_ratio[k] / 2.0;
1258 v->total_data_read_bandwidth = v->total_data_read_bandwidth + v->read_bandwidth_plane_luma[k] + v->read_bandwidth_plane_chroma[k];
1260 v->total_active_dpp = 0.0;
1261 v->total_dcc_active_dpp = 0.0;
1262 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1263 v->total_active_dpp = v->total_active_dpp + v->dpp_per_plane[k];
1264 if (v->dcc_enable[k] == dcn_bw_yes) {
1265 v->total_dcc_active_dpp = v->total_dcc_active_dpp + v->dpp_per_plane[k];
1268 v->urgent_round_trip_and_out_of_order_latency = (v->round_trip_ping_latency_cycles + 32.0) / v->dcfclk + v->urgent_out_of_order_return_per_channel * v->number_of_channels / v->return_bw;
1269 v->last_pixel_of_line_extra_watermark = 0.0;
1270 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1271 if (v->v_ratio[k] <= 1.0) {
1272 v->display_pipe_line_delivery_time_luma[k] = v->swath_width_y[k] * v->dpp_per_plane[k] / v->h_ratio[k] / v->pixel_clock[k];
1275 v->display_pipe_line_delivery_time_luma[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1277 v->data_fabric_line_delivery_time_luma = v->swath_width_y[k] * v->swath_height_y[k] *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / (v->return_bw * v->read_bandwidth_plane_luma[k] / v->dpp_per_plane[k] / v->total_data_read_bandwidth);
1278 v->last_pixel_of_line_extra_watermark =dcn_bw_max2(v->last_pixel_of_line_extra_watermark, v->data_fabric_line_delivery_time_luma - v->display_pipe_line_delivery_time_luma[k]);
1279 if (v->byte_per_pixel_detc[k] == 0.0) {
1280 v->display_pipe_line_delivery_time_chroma[k] = 0.0;
1283 if (v->v_ratio[k] / 2.0 <= 1.0) {
1284 v->display_pipe_line_delivery_time_chroma[k] = v->swath_width_y[k] / 2.0 * v->dpp_per_plane[k] / (v->h_ratio[k] / 2.0) / v->pixel_clock[k];
1287 v->display_pipe_line_delivery_time_chroma[k] = v->swath_width_y[k] / 2.0 / v->pscl_throughput_chroma[k] / v->dppclk;
1289 v->data_fabric_line_delivery_time_chroma = v->swath_width_y[k] / 2.0 * v->swath_height_c[k] *dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / (v->return_bw * v->read_bandwidth_plane_chroma[k] / v->dpp_per_plane[k] / v->total_data_read_bandwidth);
1290 v->last_pixel_of_line_extra_watermark =dcn_bw_max2(v->last_pixel_of_line_extra_watermark, v->data_fabric_line_delivery_time_chroma - v->display_pipe_line_delivery_time_chroma[k]);
1293 v->urgent_extra_latency = v->urgent_round_trip_and_out_of_order_latency + (v->total_active_dpp * v->pixel_chunk_size_in_kbyte + v->total_dcc_active_dpp * v->meta_chunk_size) * 1024.0 / v->return_bw;
1294 if (v->pte_enable == dcn_bw_yes) {
1295 v->urgent_extra_latency = v->urgent_extra_latency + v->total_active_dpp * v->pte_chunk_size * 1024.0 / v->return_bw;
1297 v->urgent_watermark = v->urgent_latency + v->last_pixel_of_line_extra_watermark + v->urgent_extra_latency;
1298 v->ptemeta_urgent_watermark = v->urgent_watermark + 2.0 * v->urgent_latency;
1299 /*nb p-state/dram clock change watermark*/
1301 v->dram_clock_change_watermark = v->dram_clock_change_latency + v->urgent_watermark;
1302 v->total_active_writeback = 0.0;
1303 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1304 if (v->output[k] == dcn_bw_writeback) {
1305 v->total_active_writeback = v->total_active_writeback + 1.0;
1308 if (v->total_active_writeback <= 1.0) {
1309 v->writeback_dram_clock_change_watermark = v->dram_clock_change_latency + v->write_back_latency;
1312 v->writeback_dram_clock_change_watermark = v->dram_clock_change_latency + v->write_back_latency + v->writeback_chunk_size * 1024.0 / 32.0 / v->socclk;
1314 /*stutter efficiency*/
1316 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1317 v->lines_in_dety[k] = v->det_buffer_size_y[k] / v->byte_per_pixel_dety[k] / v->swath_width_y[k];
1318 v->lines_in_dety_rounded_down_to_swath[k] =dcn_bw_floor2(v->lines_in_dety[k], v->swath_height_y[k]);
1319 v->full_det_buffering_time_y[k] = v->lines_in_dety_rounded_down_to_swath[k] * (v->htotal[k] / v->pixel_clock[k]) / v->v_ratio[k];
1320 if (v->byte_per_pixel_detc[k] > 0.0) {
1321 v->lines_in_detc[k] = v->det_buffer_size_c[k] / v->byte_per_pixel_detc[k] / (v->swath_width_y[k] / 2.0);
1322 v->lines_in_detc_rounded_down_to_swath[k] =dcn_bw_floor2(v->lines_in_detc[k], v->swath_height_c[k]);
1323 v->full_det_buffering_time_c[k] = v->lines_in_detc_rounded_down_to_swath[k] * (v->htotal[k] / v->pixel_clock[k]) / (v->v_ratio[k] / 2.0);
1326 v->lines_in_detc[k] = 0.0;
1327 v->lines_in_detc_rounded_down_to_swath[k] = 0.0;
1328 v->full_det_buffering_time_c[k] = 999999.0;
1331 v->min_full_det_buffering_time = 999999.0;
1332 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1333 if (v->full_det_buffering_time_y[k] < v->min_full_det_buffering_time) {
1334 v->min_full_det_buffering_time = v->full_det_buffering_time_y[k];
1335 v->frame_time_for_min_full_det_buffering_time = v->vtotal[k] * v->htotal[k] / v->pixel_clock[k];
1337 if (v->full_det_buffering_time_c[k] < v->min_full_det_buffering_time) {
1338 v->min_full_det_buffering_time = v->full_det_buffering_time_c[k];
1339 v->frame_time_for_min_full_det_buffering_time = v->vtotal[k] * v->htotal[k] / v->pixel_clock[k];
1342 v->average_read_bandwidth_gbyte_per_second = 0.0;
1343 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1344 if (v->dcc_enable[k] == dcn_bw_yes) {
1345 v->average_read_bandwidth_gbyte_per_second = v->average_read_bandwidth_gbyte_per_second + v->read_bandwidth_plane_luma[k] / v->dcc_rate[k] / 1000.0 + v->read_bandwidth_plane_chroma[k] / v->dcc_rate[k] / 1000.0;
1348 v->average_read_bandwidth_gbyte_per_second = v->average_read_bandwidth_gbyte_per_second + v->read_bandwidth_plane_luma[k] / 1000.0 + v->read_bandwidth_plane_chroma[k] / 1000.0;
1350 if (v->dcc_enable[k] == dcn_bw_yes) {
1351 v->average_read_bandwidth_gbyte_per_second = v->average_read_bandwidth_gbyte_per_second + v->read_bandwidth_plane_luma[k] / 1000.0 / 256.0 + v->read_bandwidth_plane_chroma[k] / 1000.0 / 256.0;
1353 if (v->pte_enable == dcn_bw_yes) {
1354 v->average_read_bandwidth_gbyte_per_second = v->average_read_bandwidth_gbyte_per_second + v->read_bandwidth_plane_luma[k] / 1000.0 / 512.0 + v->read_bandwidth_plane_chroma[k] / 1000.0 / 512.0;
1357 v->part_of_burst_that_fits_in_rob =dcn_bw_min2(v->min_full_det_buffering_time * v->total_data_read_bandwidth, v->rob_buffer_size_in_kbyte * 1024.0 * v->total_data_read_bandwidth / (v->average_read_bandwidth_gbyte_per_second * 1000.0));
1358 v->stutter_burst_time = v->part_of_burst_that_fits_in_rob * (v->average_read_bandwidth_gbyte_per_second * 1000.0) / v->total_data_read_bandwidth / v->return_bw + (v->min_full_det_buffering_time * v->total_data_read_bandwidth - v->part_of_burst_that_fits_in_rob) / (v->dcfclk * 64.0);
1359 if (v->total_active_writeback == 0.0) {
1360 v->stutter_efficiency_not_including_vblank = (1.0 - (v->sr_exit_time + v->stutter_burst_time) / v->min_full_det_buffering_time) * 100.0;
1363 v->stutter_efficiency_not_including_vblank = 0.0;
1365 v->smallest_vblank = 999999.0;
1366 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1367 if (v->synchronized_vblank == dcn_bw_yes || v->number_of_active_planes == 1) {
1368 v->v_blank_time = (v->vtotal[k] - v->vactive[k]) * v->htotal[k] / v->pixel_clock[k];
1371 v->v_blank_time = 0.0;
1373 v->smallest_vblank =dcn_bw_min2(v->smallest_vblank, v->v_blank_time);
1375 v->stutter_efficiency = (v->stutter_efficiency_not_including_vblank / 100.0 * (v->frame_time_for_min_full_det_buffering_time - v->smallest_vblank) + v->smallest_vblank) / v->frame_time_for_min_full_det_buffering_time * 100.0;
1376 /*dcfclk deep sleep*/
1378 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1379 if (v->byte_per_pixel_detc[k] > 0.0) {
1380 v->dcfclk_deep_sleep_per_plane[k] =dcn_bw_max2(1.1 * v->swath_width_y[k] *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / 32.0 / v->display_pipe_line_delivery_time_luma[k], 1.1 * v->swath_width_y[k] / 2.0 *dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / 32.0 / v->display_pipe_line_delivery_time_chroma[k]);
1383 v->dcfclk_deep_sleep_per_plane[k] = 1.1 * v->swath_width_y[k] *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / 64.0 / v->display_pipe_line_delivery_time_luma[k];
1385 v->dcfclk_deep_sleep_per_plane[k] =dcn_bw_max2(v->dcfclk_deep_sleep_per_plane[k], v->pixel_clock[k] / 16.0);
1387 v->dcf_clk_deep_sleep = 8.0;
1388 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1389 v->dcf_clk_deep_sleep =dcn_bw_max2(v->dcf_clk_deep_sleep, v->dcfclk_deep_sleep_per_plane[k]);
1391 /*stutter watermark*/
1393 v->stutter_exit_watermark = v->sr_exit_time + v->last_pixel_of_line_extra_watermark + v->urgent_extra_latency + 10.0 / v->dcf_clk_deep_sleep;
1394 v->stutter_enter_plus_exit_watermark = v->sr_enter_plus_exit_time + v->last_pixel_of_line_extra_watermark + v->urgent_extra_latency;
1395 /*urgent latency supported*/
1397 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1398 v->effective_det_plus_lb_lines_luma =dcn_bw_floor2(v->lines_in_dety[k] +dcn_bw_min2(v->lines_in_dety[k] * v->dppclk * v->byte_per_pixel_dety[k] * v->pscl_throughput[k] / (v->return_bw / v->dpp_per_plane[k]), v->effective_lb_latency_hiding_source_lines_luma), v->swath_height_y[k]);
1399 v->urgent_latency_support_us_luma = v->effective_det_plus_lb_lines_luma * (v->htotal[k] / v->pixel_clock[k]) / v->v_ratio[k] - v->effective_det_plus_lb_lines_luma * v->swath_width_y[k] * v->byte_per_pixel_dety[k] / (v->return_bw / v->dpp_per_plane[k]);
1400 if (v->byte_per_pixel_detc[k] > 0.0) {
1401 v->effective_det_plus_lb_lines_chroma =dcn_bw_floor2(v->lines_in_detc[k] +dcn_bw_min2(v->lines_in_detc[k] * v->dppclk * v->byte_per_pixel_detc[k] * v->pscl_throughput_chroma[k] / (v->return_bw / v->dpp_per_plane[k]), v->effective_lb_latency_hiding_source_lines_chroma), v->swath_height_c[k]);
1402 v->urgent_latency_support_us_chroma = v->effective_det_plus_lb_lines_chroma * (v->htotal[k] / v->pixel_clock[k]) / (v->v_ratio[k] / 2.0) - v->effective_det_plus_lb_lines_chroma * (v->swath_width_y[k] / 2.0) * v->byte_per_pixel_detc[k] / (v->return_bw / v->dpp_per_plane[k]);
1403 v->urgent_latency_support_us[k] =dcn_bw_min2(v->urgent_latency_support_us_luma, v->urgent_latency_support_us_chroma);
1406 v->urgent_latency_support_us[k] = v->urgent_latency_support_us_luma;
1409 v->min_urgent_latency_support_us = 999999.0;
1410 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1411 v->min_urgent_latency_support_us =dcn_bw_min2(v->min_urgent_latency_support_us, v->urgent_latency_support_us[k]);
1413 /*non-urgent latency tolerance*/
1415 v->non_urgent_latency_tolerance = v->min_urgent_latency_support_us - v->urgent_watermark;
1418 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1419 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)) {
1420 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1421 v->block_height256_bytes_y = 1.0;
1423 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1424 v->block_height256_bytes_y = 4.0;
1427 v->block_height256_bytes_y = 8.0;
1429 v->block_height256_bytes_c = 0.0;
1432 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1433 v->block_height256_bytes_y = 1.0;
1434 v->block_height256_bytes_c = 1.0;
1436 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
1437 v->block_height256_bytes_y = 16.0;
1438 v->block_height256_bytes_c = 8.0;
1441 v->block_height256_bytes_y = 8.0;
1442 v->block_height256_bytes_c = 8.0;
1445 if (v->dcc_enable[k] == dcn_bw_yes) {
1446 v->meta_request_width_y = 64.0 * 256.0 /dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / (8.0 * v->block_height256_bytes_y);
1447 v->meta_surf_width_y =dcn_bw_ceil2(v->swath_width_y[k] - 1.0, v->meta_request_width_y) + v->meta_request_width_y;
1448 v->meta_surf_height_y =dcn_bw_ceil2(v->viewport_height[k] - 1.0, 8.0 * v->block_height256_bytes_y) + 8.0 * v->block_height256_bytes_y;
1449 if (v->pte_enable == dcn_bw_yes) {
1450 v->meta_pte_bytes_frame_y = (dcn_bw_ceil2((v->meta_surf_width_y * v->meta_surf_height_y *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / 256.0 - 4096.0) / 8.0 / 4096.0, 1.0) + 1) * 64.0;
1453 v->meta_pte_bytes_frame_y = 0.0;
1455 if (v->source_scan[k] == dcn_bw_hor) {
1456 v->meta_row_byte_y = v->meta_surf_width_y * 8.0 * v->block_height256_bytes_y *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / 256.0;
1459 v->meta_row_byte_y = v->meta_surf_height_y * v->meta_request_width_y *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / 256.0;
1463 v->meta_pte_bytes_frame_y = 0.0;
1464 v->meta_row_byte_y = 0.0;
1466 if (v->pte_enable == dcn_bw_yes) {
1467 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1468 v->macro_tile_size_byte_y = 256.0;
1469 v->macro_tile_height_y = 1.0;
1471 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) {
1472 v->macro_tile_size_byte_y = 4096.0;
1473 v->macro_tile_height_y = 4.0 * v->block_height256_bytes_y;
1475 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) {
1476 v->macro_tile_size_byte_y = 64.0 * 1024;
1477 v->macro_tile_height_y = 16.0 * v->block_height256_bytes_y;
1480 v->macro_tile_size_byte_y = 256.0 * 1024;
1481 v->macro_tile_height_y = 32.0 * v->block_height256_bytes_y;
1483 if (v->macro_tile_size_byte_y <= 65536.0) {
1484 v->pixel_pte_req_height_y = v->macro_tile_height_y;
1487 v->pixel_pte_req_height_y = 16.0 * v->block_height256_bytes_y;
1489 v->pixel_pte_req_width_y = 4096.0 /dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / v->pixel_pte_req_height_y * 8;
1490 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1491 v->pixel_pte_bytes_per_row_y = 64.0 * (dcn_bw_ceil2((v->swath_width_y[k] *dcn_bw_min2(128.0, dcn_bw_pow(2.0,dcn_bw_floor2(dcn_bw_log(v->pte_buffer_size_in_requests * v->pixel_pte_req_width_y / v->swath_width_y[k], 2.0), 1.0))) - 1.0) / v->pixel_pte_req_width_y, 1.0) + 1);
1493 else if (v->source_scan[k] == dcn_bw_hor) {
1494 v->pixel_pte_bytes_per_row_y = 64.0 * (dcn_bw_ceil2((v->swath_width_y[k] - 1.0) / v->pixel_pte_req_width_y, 1.0) + 1);
1497 v->pixel_pte_bytes_per_row_y = 64.0 * (dcn_bw_ceil2((v->viewport_height[k] - 1.0) / v->pixel_pte_req_height_y, 1.0) + 1);
1501 v->pixel_pte_bytes_per_row_y = 0.0;
1503 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)) {
1504 if (v->dcc_enable[k] == dcn_bw_yes) {
1505 v->meta_request_width_c = 64.0 * 256.0 /dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / (8.0 * v->block_height256_bytes_c);
1506 v->meta_surf_width_c =dcn_bw_ceil2(v->swath_width_y[k] / 2.0 - 1.0, v->meta_request_width_c) + v->meta_request_width_c;
1507 v->meta_surf_height_c =dcn_bw_ceil2(v->viewport_height[k] / 2.0 - 1.0, 8.0 * v->block_height256_bytes_c) + 8.0 * v->block_height256_bytes_c;
1508 if (v->pte_enable == dcn_bw_yes) {
1509 v->meta_pte_bytes_frame_c = (dcn_bw_ceil2((v->meta_surf_width_c * v->meta_surf_height_c *dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / 256.0 - 4096.0) / 8.0 / 4096.0, 1.0) + 1) * 64.0;
1512 v->meta_pte_bytes_frame_c = 0.0;
1514 if (v->source_scan[k] == dcn_bw_hor) {
1515 v->meta_row_byte_c = v->meta_surf_width_c * 8.0 * v->block_height256_bytes_c *dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / 256.0;
1518 v->meta_row_byte_c = v->meta_surf_height_c * v->meta_request_width_c *dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / 256.0;
1522 v->meta_pte_bytes_frame_c = 0.0;
1523 v->meta_row_byte_c = 0.0;
1525 if (v->pte_enable == dcn_bw_yes) {
1526 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1527 v->macro_tile_size_bytes_c = 256.0;
1528 v->macro_tile_height_c = 1.0;
1530 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) {
1531 v->macro_tile_size_bytes_c = 4096.0;
1532 v->macro_tile_height_c = 4.0 * v->block_height256_bytes_c;
1534 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) {
1535 v->macro_tile_size_bytes_c = 64.0 * 1024;
1536 v->macro_tile_height_c = 16.0 * v->block_height256_bytes_c;
1539 v->macro_tile_size_bytes_c = 256.0 * 1024;
1540 v->macro_tile_height_c = 32.0 * v->block_height256_bytes_c;
1542 if (v->macro_tile_size_bytes_c <= 65536.0) {
1543 v->pixel_pte_req_height_c = v->macro_tile_height_c;
1546 v->pixel_pte_req_height_c = 16.0 * v->block_height256_bytes_c;
1548 v->pixel_pte_req_width_c = 4096.0 /dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / v->pixel_pte_req_height_c * 8;
1549 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1550 v->pixel_pte_bytes_per_row_c = 64.0 * (dcn_bw_ceil2((v->swath_width_y[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->pixel_pte_req_width_c / (v->swath_width_y[k] / 2.0), 2.0), 1.0))) - 1.0) / v->pixel_pte_req_width_c, 1.0) + 1);
1552 else if (v->source_scan[k] == dcn_bw_hor) {
1553 v->pixel_pte_bytes_per_row_c = 64.0 * (dcn_bw_ceil2((v->swath_width_y[k] / 2.0 - 1.0) / v->pixel_pte_req_width_c, 1.0) + 1);
1556 v->pixel_pte_bytes_per_row_c = 64.0 * (dcn_bw_ceil2((v->viewport_height[k] / 2.0 - 1.0) / v->pixel_pte_req_height_c, 1.0) + 1);
1560 v->pixel_pte_bytes_per_row_c = 0.0;
1564 v->pixel_pte_bytes_per_row_c = 0.0;
1565 v->meta_pte_bytes_frame_c = 0.0;
1566 v->meta_row_byte_c = 0.0;
1568 v->pixel_pte_bytes_per_row[k] = v->pixel_pte_bytes_per_row_y + v->pixel_pte_bytes_per_row_c;
1569 v->meta_pte_bytes_frame[k] = v->meta_pte_bytes_frame_y + v->meta_pte_bytes_frame_c;
1570 v->meta_row_byte[k] = v->meta_row_byte_y + v->meta_row_byte_c;
1571 v->v_init_pre_fill_y[k] =dcn_bw_floor2((v->v_ratio[k] + v->vtaps[k] + 1.0 + v->interlace_output[k] * 0.5 * v->v_ratio[k]) / 2.0, 1.0);
1572 v->max_num_swath_y[k] =dcn_bw_ceil2((v->v_init_pre_fill_y[k] - 1.0) / v->swath_height_y[k], 1.0) + 1;
1573 if (v->v_init_pre_fill_y[k] > 1.0) {
1574 v->max_partial_swath_y =dcn_bw_mod((v->v_init_pre_fill_y[k] - 2.0), v->swath_height_y[k]);
1577 v->max_partial_swath_y =dcn_bw_mod((v->v_init_pre_fill_y[k] + v->swath_height_y[k] - 2.0), v->swath_height_y[k]);
1579 v->max_partial_swath_y =dcn_bw_max2(1.0, v->max_partial_swath_y);
1580 v->prefetch_source_lines_y[k] = v->max_num_swath_y[k] * v->swath_height_y[k] + v->max_partial_swath_y;
1581 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)) {
1582 v->v_init_pre_fill_c[k] =dcn_bw_floor2((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, 1.0);
1583 v->max_num_swath_c[k] =dcn_bw_ceil2((v->v_init_pre_fill_c[k] - 1.0) / v->swath_height_c[k], 1.0) + 1;
1584 if (v->v_init_pre_fill_c[k] > 1.0) {
1585 v->max_partial_swath_c =dcn_bw_mod((v->v_init_pre_fill_c[k] - 2.0), v->swath_height_c[k]);
1588 v->max_partial_swath_c =dcn_bw_mod((v->v_init_pre_fill_c[k] + v->swath_height_c[k] - 2.0), v->swath_height_c[k]);
1590 v->max_partial_swath_c =dcn_bw_max2(1.0, v->max_partial_swath_c);
1593 v->max_num_swath_c[k] = 0.0;
1594 v->max_partial_swath_c = 0.0;
1596 v->prefetch_source_lines_c[k] = v->max_num_swath_c[k] * v->swath_height_c[k] + v->max_partial_swath_c;
1598 v->t_calc = 24.0 / v->dcf_clk_deep_sleep;
1599 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1600 if (v->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one == dcn_bw_yes) {
1601 v->max_vstartup_lines[k] = v->vtotal[k] - v->vactive[k] - 1.0;
1604 v->max_vstartup_lines[k] = v->v_sync_plus_back_porch[k] - 1.0;
1607 v->next_prefetch_mode = 0.0;
1609 v->v_startup_lines = 13.0;
1611 v->planes_with_room_to_increase_vstartup_prefetch_bw_less_than_active_bw = dcn_bw_yes;
1612 v->planes_with_room_to_increase_vstartup_vratio_prefetch_more_than4 = dcn_bw_no;
1613 v->planes_with_room_to_increase_vstartup_destination_line_times_for_prefetch_less_than2 = dcn_bw_no;
1614 v->v_ratio_prefetch_more_than4 = dcn_bw_no;
1615 v->destination_line_times_for_prefetch_less_than2 = dcn_bw_no;
1616 v->prefetch_mode = v->next_prefetch_mode;
1617 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1618 v->dstx_after_scaler = 90.0 * v->pixel_clock[k] / v->dppclk + 42.0 * v->pixel_clock[k] / v->dispclk;
1619 if (v->dpp_per_plane[k] > 1.0) {
1620 v->dstx_after_scaler = v->dstx_after_scaler + v->scaler_rec_out_width[k] / 2.0;
1622 if (v->output_format[k] == dcn_bw_420) {
1623 v->dsty_after_scaler = 1.0;
1626 v->dsty_after_scaler = 0.0;
1628 v->v_update_offset_pix =dcn_bw_ceil2(v->htotal[k] / 4.0, 1.0);
1629 v->total_repeater_delay_time = v->max_inter_dcn_tile_repeaters * (2.0 / v->dppclk + 3.0 / v->dispclk);
1630 v->v_update_width_pix = (14.0 / v->dcf_clk_deep_sleep + 12.0 / v->dppclk + v->total_repeater_delay_time) * v->pixel_clock[k];
1631 v->v_ready_offset_pix =dcn_bw_max2(150.0 / v->dppclk, v->total_repeater_delay_time + 20.0 / v->dcf_clk_deep_sleep + 10.0 / v->dppclk) * v->pixel_clock[k];
1632 v->t_setup = (v->v_update_offset_pix + v->v_update_width_pix + v->v_ready_offset_pix) / v->pixel_clock[k];
1633 v->v_startup[k] =dcn_bw_min2(v->v_startup_lines, v->max_vstartup_lines[k]);
1634 if (v->prefetch_mode == 0.0) {
1635 v->t_wait =dcn_bw_max3(v->dram_clock_change_latency + v->urgent_latency, v->sr_enter_plus_exit_time, v->urgent_latency);
1637 else if (v->prefetch_mode == 1.0) {
1638 v->t_wait =dcn_bw_max2(v->sr_enter_plus_exit_time, v->urgent_latency);
1641 v->t_wait = v->urgent_latency;
1643 v->destination_lines_for_prefetch[k] =dcn_bw_floor2(4.0 * (v->v_startup[k] - v->t_wait / (v->htotal[k] / v->pixel_clock[k]) - (v->t_calc + v->t_setup) / (v->htotal[k] / v->pixel_clock[k]) - (v->dsty_after_scaler + v->dstx_after_scaler / v->htotal[k]) + 0.125), 1.0) / 4;
1644 if (v->destination_lines_for_prefetch[k] > 0.0) {
1645 v->prefetch_bandwidth[k] = (v->meta_pte_bytes_frame[k] + 2.0 * v->meta_row_byte[k] + 2.0 * v->pixel_pte_bytes_per_row[k] + v->prefetch_source_lines_y[k] * v->swath_width_y[k] *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) + v->prefetch_source_lines_c[k] * v->swath_width_y[k] / 2.0 *dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0)) / (v->destination_lines_for_prefetch[k] * v->htotal[k] / v->pixel_clock[k]);
1648 v->prefetch_bandwidth[k] = 999999.0;
1651 v->bandwidth_available_for_immediate_flip = v->return_bw;
1652 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1653 v->bandwidth_available_for_immediate_flip = v->bandwidth_available_for_immediate_flip -dcn_bw_max2(v->read_bandwidth_plane_luma[k] + v->read_bandwidth_plane_chroma[k], v->prefetch_bandwidth[k]);
1655 v->tot_immediate_flip_bytes = 0.0;
1656 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1657 if (v->immediate_flip_supported == dcn_bw_yes && (v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
1658 v->tot_immediate_flip_bytes = v->tot_immediate_flip_bytes + v->meta_pte_bytes_frame[k] + v->meta_row_byte[k] + v->pixel_pte_bytes_per_row[k];
1661 v->max_rd_bandwidth = 0.0;
1662 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1663 if (v->pte_enable == dcn_bw_yes && v->dcc_enable[k] == dcn_bw_yes) {
1664 if (v->immediate_flip_supported == dcn_bw_yes && (v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
1665 v->time_for_fetching_meta_pte =dcn_bw_max5(v->meta_pte_bytes_frame[k] / v->prefetch_bandwidth[k], v->meta_pte_bytes_frame[k] * v->tot_immediate_flip_bytes / (v->bandwidth_available_for_immediate_flip * (v->meta_pte_bytes_frame[k] + v->meta_row_byte[k] + v->pixel_pte_bytes_per_row[k])), v->urgent_extra_latency, v->urgent_latency, v->htotal[k] / v->pixel_clock[k] / 4.0);
1668 v->time_for_fetching_meta_pte =dcn_bw_max3(v->meta_pte_bytes_frame[k] / v->prefetch_bandwidth[k], v->urgent_extra_latency, v->htotal[k] / v->pixel_clock[k] / 4.0);
1672 v->time_for_fetching_meta_pte = v->htotal[k] / v->pixel_clock[k] / 4.0;
1674 v->destination_lines_to_request_vm_inv_blank[k] =dcn_bw_floor2(4.0 * (v->time_for_fetching_meta_pte / (v->htotal[k] / v->pixel_clock[k]) + 0.125), 1.0) / 4;
1675 if ((v->pte_enable == dcn_bw_yes || v->dcc_enable[k] == dcn_bw_yes)) {
1676 if (v->immediate_flip_supported == dcn_bw_yes && (v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
1677 v->time_for_fetching_row_in_vblank =dcn_bw_max5((v->meta_row_byte[k] + v->pixel_pte_bytes_per_row[k]) / v->prefetch_bandwidth[k], (v->meta_row_byte[k] + v->pixel_pte_bytes_per_row[k]) * v->tot_immediate_flip_bytes / (v->bandwidth_available_for_immediate_flip * (v->meta_pte_bytes_frame[k] + v->meta_row_byte[k] + v->pixel_pte_bytes_per_row[k])), v->urgent_extra_latency, 2.0 * v->urgent_latency, v->htotal[k] / v->pixel_clock[k] - v->time_for_fetching_meta_pte);
1680 v->time_for_fetching_row_in_vblank =dcn_bw_max3((v->meta_row_byte[k] + v->pixel_pte_bytes_per_row[k]) / v->prefetch_bandwidth[k], v->urgent_extra_latency, v->htotal[k] / v->pixel_clock[k] - v->time_for_fetching_meta_pte);
1684 v->time_for_fetching_row_in_vblank =dcn_bw_max2(v->urgent_extra_latency - v->time_for_fetching_meta_pte, v->htotal[k] / v->pixel_clock[k] - v->time_for_fetching_meta_pte);
1686 v->destination_lines_to_request_row_in_vblank[k] =dcn_bw_floor2(4.0 * (v->time_for_fetching_row_in_vblank / (v->htotal[k] / v->pixel_clock[k]) + 0.125), 1.0) / 4;
1687 v->lines_to_request_prefetch_pixel_data = v->destination_lines_for_prefetch[k] - v->destination_lines_to_request_vm_inv_blank[k] - v->destination_lines_to_request_row_in_vblank[k];
1688 if (v->lines_to_request_prefetch_pixel_data > 0.0) {
1689 v->v_ratio_prefetch_y[k] = v->prefetch_source_lines_y[k] / v->lines_to_request_prefetch_pixel_data;
1690 if ((v->swath_height_y[k] > 4.0)) {
1691 if (v->lines_to_request_prefetch_pixel_data > (v->v_init_pre_fill_y[k] - 3.0) / 2.0) {
1692 v->v_ratio_prefetch_y[k] =dcn_bw_max2(v->v_ratio_prefetch_y[k], v->max_num_swath_y[k] * v->swath_height_y[k] / (v->lines_to_request_prefetch_pixel_data - (v->v_init_pre_fill_y[k] - 3.0) / 2.0));
1695 v->v_ratio_prefetch_y[k] = 999999.0;
1700 v->v_ratio_prefetch_y[k] = 999999.0;
1702 v->v_ratio_prefetch_y[k] =dcn_bw_max2(v->v_ratio_prefetch_y[k], 1.0);
1703 if (v->lines_to_request_prefetch_pixel_data > 0.0) {
1704 v->v_ratio_prefetch_c[k] = v->prefetch_source_lines_c[k] / v->lines_to_request_prefetch_pixel_data;
1705 if ((v->swath_height_c[k] > 4.0)) {
1706 if (v->lines_to_request_prefetch_pixel_data > (v->v_init_pre_fill_c[k] - 3.0) / 2.0) {
1707 v->v_ratio_prefetch_c[k] =dcn_bw_max2(v->v_ratio_prefetch_c[k], v->max_num_swath_c[k] * v->swath_height_c[k] / (v->lines_to_request_prefetch_pixel_data - (v->v_init_pre_fill_c[k] - 3.0) / 2.0));
1710 v->v_ratio_prefetch_c[k] = 999999.0;
1715 v->v_ratio_prefetch_c[k] = 999999.0;
1717 v->v_ratio_prefetch_c[k] =dcn_bw_max2(v->v_ratio_prefetch_c[k], 1.0);
1718 if (v->lines_to_request_prefetch_pixel_data > 0.0) {
1719 v->required_prefetch_pix_data_bw = v->dpp_per_plane[k] * (v->prefetch_source_lines_y[k] / v->lines_to_request_prefetch_pixel_data *dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) + v->prefetch_source_lines_c[k] / v->lines_to_request_prefetch_pixel_data *dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / 2.0) * v->swath_width_y[k] / (v->htotal[k] / v->pixel_clock[k]);
1722 v->required_prefetch_pix_data_bw = 999999.0;
1724 v->max_rd_bandwidth = v->max_rd_bandwidth +dcn_bw_max2(v->read_bandwidth_plane_luma[k] + v->read_bandwidth_plane_chroma[k], v->required_prefetch_pix_data_bw);
1725 if (v->immediate_flip_supported == dcn_bw_yes && (v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
1726 v->max_rd_bandwidth = v->max_rd_bandwidth +dcn_bw_max2(v->meta_pte_bytes_frame[k] / (v->destination_lines_to_request_vm_inv_blank[k] * v->htotal[k] / v->pixel_clock[k]), (v->meta_row_byte[k] + v->pixel_pte_bytes_per_row[k]) / (v->destination_lines_to_request_row_in_vblank[k] * v->htotal[k] / v->pixel_clock[k]));
1728 if (v->v_ratio_prefetch_y[k] > 4.0 || v->v_ratio_prefetch_c[k] > 4.0) {
1729 v->v_ratio_prefetch_more_than4 = dcn_bw_yes;
1731 if (v->destination_lines_for_prefetch[k] < 2.0) {
1732 v->destination_line_times_for_prefetch_less_than2 = dcn_bw_yes;
1734 if (v->max_vstartup_lines[k] > v->v_startup_lines) {
1735 if (v->required_prefetch_pix_data_bw > (v->read_bandwidth_plane_luma[k] + v->read_bandwidth_plane_chroma[k])) {
1736 v->planes_with_room_to_increase_vstartup_prefetch_bw_less_than_active_bw = dcn_bw_no;
1738 if (v->v_ratio_prefetch_y[k] > 4.0 || v->v_ratio_prefetch_c[k] > 4.0) {
1739 v->planes_with_room_to_increase_vstartup_vratio_prefetch_more_than4 = dcn_bw_yes;
1741 if (v->destination_lines_for_prefetch[k] < 2.0) {
1742 v->planes_with_room_to_increase_vstartup_destination_line_times_for_prefetch_less_than2 = dcn_bw_yes;
1746 if (v->max_rd_bandwidth <= v->return_bw && v->v_ratio_prefetch_more_than4 == dcn_bw_no && v->destination_line_times_for_prefetch_less_than2 == dcn_bw_no) {
1747 v->prefetch_mode_supported = dcn_bw_yes;
1750 v->prefetch_mode_supported = dcn_bw_no;
1752 v->v_startup_lines = v->v_startup_lines + 1.0;
1753 } while (!(v->prefetch_mode_supported == dcn_bw_yes || (v->planes_with_room_to_increase_vstartup_prefetch_bw_less_than_active_bw == dcn_bw_yes && v->planes_with_room_to_increase_vstartup_vratio_prefetch_more_than4 == dcn_bw_no && v->planes_with_room_to_increase_vstartup_destination_line_times_for_prefetch_less_than2 == dcn_bw_no)));
1754 v->next_prefetch_mode = v->next_prefetch_mode + 1.0;
1755 } while (!(v->prefetch_mode_supported == dcn_bw_yes || v->prefetch_mode == 2.0));
1756 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1757 if (v->v_ratio_prefetch_y[k] <= 1.0) {
1758 v->display_pipe_line_delivery_time_luma_prefetch[k] = v->swath_width_y[k] * v->dpp_per_plane[k] / v->h_ratio[k] / v->pixel_clock[k];
1761 v->display_pipe_line_delivery_time_luma_prefetch[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1763 if (v->byte_per_pixel_detc[k] == 0.0) {
1764 v->display_pipe_line_delivery_time_chroma_prefetch[k] = 0.0;
1767 if (v->v_ratio_prefetch_c[k] <= 1.0) {
1768 v->display_pipe_line_delivery_time_chroma_prefetch[k] = v->swath_width_y[k] * v->dpp_per_plane[k] / v->h_ratio[k] / v->pixel_clock[k];
1771 v->display_pipe_line_delivery_time_chroma_prefetch[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1777 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1778 if (v->prefetch_mode == 0.0) {
1779 v->allow_dram_clock_change_during_vblank[k] = dcn_bw_yes;
1780 v->allow_dram_self_refresh_during_vblank[k] = dcn_bw_yes;
1781 v->min_ttuv_blank[k] = v->t_calc +dcn_bw_max3(v->dram_clock_change_watermark, v->stutter_enter_plus_exit_watermark, v->urgent_watermark);
1783 else if (v->prefetch_mode == 1.0) {
1784 v->allow_dram_clock_change_during_vblank[k] = dcn_bw_no;
1785 v->allow_dram_self_refresh_during_vblank[k] = dcn_bw_yes;
1786 v->min_ttuv_blank[k] = v->t_calc +dcn_bw_max2(v->stutter_enter_plus_exit_watermark, v->urgent_watermark);
1789 v->allow_dram_clock_change_during_vblank[k] = dcn_bw_no;
1790 v->allow_dram_self_refresh_during_vblank[k] = dcn_bw_no;
1791 v->min_ttuv_blank[k] = v->t_calc + v->urgent_watermark;
1794 /*nb p-state/dram clock change support*/
1796 v->active_dp_ps = 0.0;
1797 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1798 v->active_dp_ps = v->active_dp_ps + v->dpp_per_plane[k];
1800 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1801 v->lb_latency_hiding_source_lines_y =dcn_bw_min2(v->max_line_buffer_lines,dcn_bw_floor2(v->line_buffer_size / v->lb_bit_per_pixel[k] / (v->swath_width_y[k] /dcn_bw_max2(v->h_ratio[k], 1.0)), 1.0)) - (v->vtaps[k] - 1.0);
1802 v->lb_latency_hiding_source_lines_c =dcn_bw_min2(v->max_line_buffer_lines,dcn_bw_floor2(v->line_buffer_size / v->lb_bit_per_pixel[k] / (v->swath_width_y[k] / 2.0 /dcn_bw_max2(v->h_ratio[k] / 2.0, 1.0)), 1.0)) - (v->vta_pschroma[k] - 1.0);
1803 v->effective_lb_latency_hiding_y = v->lb_latency_hiding_source_lines_y / v->v_ratio[k] * (v->htotal[k] / v->pixel_clock[k]);
1804 v->effective_lb_latency_hiding_c = v->lb_latency_hiding_source_lines_c / (v->v_ratio[k] / 2.0) * (v->htotal[k] / v->pixel_clock[k]);
1805 if (v->swath_width_y[k] > 2.0 * v->dpp_output_buffer_pixels) {
1806 v->dpp_output_buffer_lines_y = v->dpp_output_buffer_pixels / v->swath_width_y[k];
1808 else if (v->swath_width_y[k] > v->dpp_output_buffer_pixels) {
1809 v->dpp_output_buffer_lines_y = 0.5;
1812 v->dpp_output_buffer_lines_y = 1.0;
1814 if (v->swath_width_y[k] / 2.0 > 2.0 * v->dpp_output_buffer_pixels) {
1815 v->dpp_output_buffer_lines_c = v->dpp_output_buffer_pixels / (v->swath_width_y[k] / 2.0);
1817 else if (v->swath_width_y[k] / 2.0 > v->dpp_output_buffer_pixels) {
1818 v->dpp_output_buffer_lines_c = 0.5;
1821 v->dpp_output_buffer_lines_c = 1.0;
1823 v->dppopp_buffering_y = (v->htotal[k] / v->pixel_clock[k]) * (v->dpp_output_buffer_lines_y + v->opp_output_buffer_lines);
1824 v->max_det_buffering_time_y = v->full_det_buffering_time_y[k] + (v->lines_in_dety[k] - v->lines_in_dety_rounded_down_to_swath[k]) / v->swath_height_y[k] * (v->htotal[k] / v->pixel_clock[k]);
1825 v->active_dram_clock_change_latency_margin_y = v->dppopp_buffering_y + v->effective_lb_latency_hiding_y + v->max_det_buffering_time_y - v->dram_clock_change_watermark;
1826 if (v->active_dp_ps > 1.0) {
1827 v->active_dram_clock_change_latency_margin_y = v->active_dram_clock_change_latency_margin_y - (1.0 - 1.0 / (v->active_dp_ps - 1.0)) * v->swath_height_y[k] * (v->htotal[k] / v->pixel_clock[k]);
1829 if (v->byte_per_pixel_detc[k] > 0.0) {
1830 v->dppopp_buffering_c = (v->htotal[k] / v->pixel_clock[k]) * (v->dpp_output_buffer_lines_c + v->opp_output_buffer_lines);
1831 v->max_det_buffering_time_c = v->full_det_buffering_time_c[k] + (v->lines_in_detc[k] - v->lines_in_detc_rounded_down_to_swath[k]) / v->swath_height_c[k] * (v->htotal[k] / v->pixel_clock[k]);
1832 v->active_dram_clock_change_latency_margin_c = v->dppopp_buffering_c + v->effective_lb_latency_hiding_c + v->max_det_buffering_time_c - v->dram_clock_change_watermark;
1833 if (v->active_dp_ps > 1.0) {
1834 v->active_dram_clock_change_latency_margin_c = v->active_dram_clock_change_latency_margin_c - (1.0 - 1.0 / (v->active_dp_ps - 1.0)) * v->swath_height_c[k] * (v->htotal[k] / v->pixel_clock[k]);
1836 v->active_dram_clock_change_latency_margin[k] =dcn_bw_min2(v->active_dram_clock_change_latency_margin_y, v->active_dram_clock_change_latency_margin_c);
1839 v->active_dram_clock_change_latency_margin[k] = v->active_dram_clock_change_latency_margin_y;
1841 if (v->output_format[k] == dcn_bw_444) {
1842 v->writeback_dram_clock_change_latency_margin = (v->writeback_luma_buffer_size + v->writeback_chroma_buffer_size) * 1024.0 / (v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 4.0) - v->writeback_dram_clock_change_watermark;
1845 v->writeback_dram_clock_change_latency_margin =dcn_bw_min2(v->writeback_luma_buffer_size, 2.0 * v->writeback_chroma_buffer_size) * 1024.0 / (v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k])) - v->writeback_dram_clock_change_watermark;
1847 if (v->output[k] == dcn_bw_writeback) {
1848 v->active_dram_clock_change_latency_margin[k] =dcn_bw_min2(v->active_dram_clock_change_latency_margin[k], v->writeback_dram_clock_change_latency_margin);
1851 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1852 if (v->allow_dram_clock_change_during_vblank[k] == dcn_bw_yes) {
1853 v->v_blank_dram_clock_change_latency_margin[k] = (v->vtotal[k] - v->scaler_recout_height[k]) * (v->htotal[k] / v->pixel_clock[k]) -dcn_bw_max2(v->dram_clock_change_watermark, v->writeback_dram_clock_change_watermark);
1856 v->v_blank_dram_clock_change_latency_margin[k] = 0.0;
1859 v->min_active_dram_clock_change_margin = 999999.0;
1860 v->v_blank_of_min_active_dram_clock_change_margin = 999999.0;
1861 v->second_min_active_dram_clock_change_margin = 999999.0;
1862 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1863 if (v->active_dram_clock_change_latency_margin[k] < v->min_active_dram_clock_change_margin) {
1864 v->second_min_active_dram_clock_change_margin = v->min_active_dram_clock_change_margin;
1865 v->min_active_dram_clock_change_margin = v->active_dram_clock_change_latency_margin[k];
1866 v->v_blank_of_min_active_dram_clock_change_margin = v->v_blank_dram_clock_change_latency_margin[k];
1868 else if (v->active_dram_clock_change_latency_margin[k] < v->second_min_active_dram_clock_change_margin) {
1869 v->second_min_active_dram_clock_change_margin = v->active_dram_clock_change_latency_margin[k];
1872 v->min_vblank_dram_clock_change_margin = 999999.0;
1873 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1874 if (v->min_vblank_dram_clock_change_margin > v->v_blank_dram_clock_change_latency_margin[k]) {
1875 v->min_vblank_dram_clock_change_margin = v->v_blank_dram_clock_change_latency_margin[k];
1878 if (v->synchronized_vblank == dcn_bw_yes || v->number_of_active_planes == 1) {
1879 v->dram_clock_change_margin =dcn_bw_max2(v->min_active_dram_clock_change_margin, v->min_vblank_dram_clock_change_margin);
1881 else if (v->v_blank_of_min_active_dram_clock_change_margin > v->min_active_dram_clock_change_margin) {
1882 v->dram_clock_change_margin =dcn_bw_min2(v->second_min_active_dram_clock_change_margin, v->v_blank_of_min_active_dram_clock_change_margin);
1885 v->dram_clock_change_margin = v->min_active_dram_clock_change_margin;
1887 if (v->min_active_dram_clock_change_margin > 0.0) {
1888 v->dram_clock_change_support = dcn_bw_supported_in_v_active;
1890 else if (v->dram_clock_change_margin > 0.0) {
1891 v->dram_clock_change_support = dcn_bw_supported_in_v_blank;
1894 v->dram_clock_change_support = dcn_bw_not_supported;
1896 /*maximum bandwidth used*/
1898 v->wr_bandwidth = 0.0;
1899 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1900 if (v->output[k] == dcn_bw_writeback && v->output_format[k] == dcn_bw_444) {
1901 v->wr_bandwidth = v->wr_bandwidth + v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 4.0;
1903 else if (v->output[k] == dcn_bw_writeback) {
1904 v->wr_bandwidth = v->wr_bandwidth + v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 1.5;
1907 v->max_used_bw = v->max_rd_bandwidth + v->wr_bandwidth;