1 /*
2 * Copyright 2017 Advanced Micro Devices, Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 *
22 * Authors: AMD
23 *
24 */
25
26 #include "dm_services.h"
27 #include "dcn_calc_auto.h"
28 #include "dcn_calc_math.h"
29
30 /*
31 * NOTE:
32 * This file is gcc-parseable HW gospel, coming straight from HW engineers.
33 *
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.
37 */
38
39 /*REVISION#250*/
scaler_settings_calculation(struct dcn_bw_internal_vars * v)40 void scaler_settings_calculation(struct dcn_bw_internal_vars *v)
41 {
42 int k;
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];
48 }
49 else {
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];
52 }
53 }
54 else {
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]);
57 }
58 else {
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]);
60 }
61 v->v_ratio[k] = v->h_ratio[k];
62 }
63 if (v->interlace_output[k] == 1.0) {
64 v->v_ratio[k] = 2.0 * v->v_ratio[k];
65 }
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;
69 }
70 }
71 /*scaler taps calculation*/
72
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));
76 }
77 else if (v->h_ratio[k] < 1.0) {
78 v->acceptable_quality_hta_ps = 4.0;
79 }
80 else {
81 v->acceptable_quality_hta_ps = 1.0;
82 }
83 if (v->ta_pscalculation == dcn_bw_override) {
84 v->htaps[k] = v->override_hta_ps[k];
85 }
86 else {
87 v->htaps[k] = v->acceptable_quality_hta_ps;
88 }
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));
91 }
92 else if (v->v_ratio[k] < 1.0) {
93 v->acceptable_quality_vta_ps = 4.0;
94 }
95 else {
96 v->acceptable_quality_vta_ps = 1.0;
97 }
98 if (v->ta_pscalculation == dcn_bw_override) {
99 v->vtaps[k] = v->override_vta_ps[k];
100 }
101 else {
102 v->vtaps[k] = v->acceptable_quality_vta_ps;
103 }
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;
107 }
108 else {
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];
112 }
113 else {
114 v->vta_pschroma[k] = v->acceptable_quality_vta_ps;
115 v->hta_pschroma[k] = v->acceptable_quality_hta_ps;
116 }
117 }
118 }
119 }
120
mode_support_and_system_configuration(struct dcn_bw_internal_vars * v)121 void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v)
122 {
123 int i;
124 int j;
125 int k;
126 /*mode support, voltage state and soc configuration*/
127
128 /*scale ratio support check*/
129
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;
134 }
135 }
136 /*source format, pixel format and scan support check*/
137
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;
142 }
143 }
144 /*bandwidth support check*/
145
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];
149 }
150 else {
151 v->swath_width_ysingle_dpp[k] = v->viewport_height[k];
152 }
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;
156 }
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;
160 }
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;
164 }
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;
168 }
169 else {
170 v->byte_per_pixel_in_dety[k] = 4.0f / 3.0f;
171 v->byte_per_pixel_in_detc[k] = 8.0f / 3.0f;
172 }
173 }
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);
179 }
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);
182 }
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);
185 }
186 else if (v->pte_enable == dcn_bw_yes) {
187 v->read_bandwidth[k] = v->read_bandwidth[k] * (1 + 1 / 512);
188 }
189 v->total_read_bandwidth_consumed_gbyte_per_second = v->total_read_bandwidth_consumed_gbyte_per_second + v->read_bandwidth[k] / 1000.0;
190 }
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;
195 }
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;
198 }
199 else {
200 v->write_bandwidth[k] = 0.0;
201 }
202 v->total_write_bandwidth_consumed_gbyte_per_second = v->total_write_bandwidth_consumed_gbyte_per_second + v->write_bandwidth[k] / 1000.0;
203 }
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;
209 }
210 }
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)));
216 }
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));
220 }
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)));
224 }
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));
228 }
229 }
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;
233 }
234 else {
235 v->bandwidth_support[i] = dcn_bw_no;
236 }
237 }
238 /*writeback latency support check*/
239
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;
244 }
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;
247 }
248 }
249 /*re-ordering buffer support check*/
250
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;
255 }
256 else {
257 v->rob_support[i] = dcn_bw_no;
258 }
259 }
260 /*display io support check*/
261
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;
266 }
267 else {
268 v->required_output_bw = v->pixel_clock[k];
269 }
270 }
271 else if (v->output_format[k] == dcn_bw_420) {
272 v->required_output_bw = v->pixel_clock[k] * 3.0 / 2.0;
273 }
274 else {
275 v->required_output_bw = v->pixel_clock[k] * 3.0;
276 }
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;
282 break;
283 case dcn_bw_encoder_12bpc:
284 v->required_phyclk[k] = v->required_phyclk[k] * 3.0 / 2;
285 break;
286 default:
287 break;
288 }
289 v->required_phyclk[k] = v->required_phyclk[k] / 3.0;
290 }
291 else if (v->output[k] == dcn_bw_dp) {
292 v->required_phyclk[k] = v->required_output_bw / 4.0;
293 }
294 else {
295 v->required_phyclk[k] = 0.0;
296 }
297 }
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;
303 }
304 }
305 }
306 /*total available writeback support check*/
307
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;
312 }
313 }
314 if (v->total_number_of_active_writeback <= v->max_num_writeback) {
315 v->total_available_writeback_support = dcn_bw_yes;
316 }
317 else {
318 v->total_available_writeback_support = dcn_bw_no;
319 }
320 /*maximum dispclk/dppclk support check*/
321
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));
325 }
326 else {
327 v->pscl_factor[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
328 }
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);
332 }
333 else {
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));
336 }
337 else {
338 v->pscl_factor_chroma[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
339 }
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);
341 }
342 }
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;
347 }
348 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
349 v->read256_block_height_y[k] = 4.0;
350 }
351 else {
352 v->read256_block_height_y[k] = 8.0;
353 }
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;
357 }
358 else {
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;
362 }
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;
366 }
367 else {
368 v->read256_block_height_y[k] = 8.0;
369 v->read256_block_height_c[k] = 8.0;
370 }
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];
373 }
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];
377 }
378 else {
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];
381 }
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];
385 }
386 else {
387 v->min_swath_height_y[k] = v->max_swath_height_y[k] / 2.0;
388 }
389 v->min_swath_height_c[k] = v->max_swath_height_c[k];
390 }
391 else {
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];
395 }
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];
400 }
401 else {
402 v->min_swath_height_c[k] = v->max_swath_height_c[k] / 2.0;
403 }
404 }
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];
409 }
410 else {
411 v->min_swath_height_y[k] = v->max_swath_height_y[k] / 2.0;
412 }
413 }
414 else {
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];
417 }
418 }
419 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
420 v->maximum_swath_width = 8192.0;
421 }
422 else {
423 v->maximum_swath_width = 5120.0;
424 }
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);
428 }
429 else {
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));
431 }
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);
433 }
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);
443 }
444 else {
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);
446 }
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);
450 }
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);
454 }
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);
458 }
459 else {
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;
463 }
464 v->total_number_of_active_dpp[i][j] = v->total_number_of_active_dpp[i][j] + v->no_of_dpp[i][j][k];
465 }
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);
476 }
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;
482 }
483 }
484 else {
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;
489 }
490 }
491 v->total_number_of_active_dpp[i][j] = v->total_number_of_active_dpp[i][j] + v->no_of_dpp[i][j][k];
492 }
493 }
494 }
495 }
496 /*viewport size check*/
497
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;
502 }
503 }
504 /*total available pipes support check*/
505
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;
510 }
511 else {
512 v->total_available_pipes_support[i][j] = dcn_bw_no;
513 }
514 }
515 }
516 /*urgent latency support check*/
517
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;
526 }
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];
529 }
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;
533 }
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];
537 }
538 else {
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];
541 }
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;
545 }
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);
549 }
550 else {
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);
553 }
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]);
560 }
561 else {
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]));
563 }
564 }
565 }
566 }
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;
573 }
574 }
575 }
576 }
577 /*prefetch check*/
578
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];
585 }
586 }
587 }
588 }
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]);
597 }
598 else {
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));
600 }
601 }
602 else {
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]);
605 }
606 else {
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));
608 }
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]);
611 }
612 else {
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));
614 }
615 }
616 }
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;
625 }
626 else {
627 v->meta_pte_bytes_per_frame_y = 0.0;
628 }
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;
631 }
632 else {
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;
634 }
635 }
636 else {
637 v->meta_pte_bytes_per_frame_y = 0.0;
638 v->meta_row_bytes_y = 0.0;
639 }
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;
644 }
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];
648 }
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];
652 }
653 else {
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];
656 }
657 if (v->macro_tile_block_size_bytes_y <= 65536.0) {
658 v->data_pte_req_height_y = v->macro_tile_block_height_y;
659 }
660 else {
661 v->data_pte_req_height_y = 16.0 * v->read256_block_height_y[k];
662 }
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);
666 }
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);
669 }
670 else {
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);
672 }
673 }
674 else {
675 v->dpte_bytes_per_row_y = 0.0;
676 }
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;
685 }
686 else {
687 v->meta_pte_bytes_per_frame_c = 0.0;
688 }
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;
691 }
692 else {
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;
694 }
695 }
696 else {
697 v->meta_pte_bytes_per_frame_c = 0.0;
698 v->meta_row_bytes_c = 0.0;
699 }
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;
704 }
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];
708 }
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];
712 }
713 else {
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];
716 }
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;
720 }
721 else {
722 v->data_pte_req_height_c = 16.0 * v->read256_block_height_c[k];
723 }
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);
727 }
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);
730 }
731 else {
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);
733 }
734 }
735 else {
736 v->dpte_bytes_per_row_c = 0.0;
737 }
738 }
739 else {
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;
743 }
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]);
752 }
753 else {
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]);
755 }
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]);
764 }
765 else {
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]);
767 }
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;
770 }
771 else {
772 v->prefetch_lines_c[k] = 0.0;
773 }
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;
777 }
778 if (v->output_format[k] == dcn_bw_420) {
779 v->dst_y_after_scaler = 1.0;
780 }
781 else {
782 v->dst_y_after_scaler = 0.0;
783 }
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];
793 }
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;
796 }
797 else {
798 v->maximum_vstartup = v->v_sync_plus_back_porch[k] - 1.0;
799 }
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]);
803 }
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]);
807 }
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];
812 }
813 }
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);
818 }
819 else {
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;
822 }
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);
826 }
827 else {
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);
830 }
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));
842 }
843 else {
844 v->v_ratio_pre_ywith_immediate_flip[i][j][k] = 999999.0;
845 }
846 }
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));
851 }
852 else {
853 v->v_ratio_pre_cwith_immediate_flip[i][j][k] = 999999.0;
854 }
855 }
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]);
857 }
858 else {
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;
862 }
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));
868 }
869 else {
870 v->v_ratio_pre_ywithout_immediate_flip[i][j][k] = 999999.0;
871 }
872 }
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));
877 }
878 else {
879 v->v_ratio_pre_cwithout_immediate_flip[i][j][k] = 999999.0;
880 }
881 }
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]);
883 }
884 else {
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;
888 }
889 }
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]));
894 }
895 else {
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]);
897 }
898 }
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]);
902 }
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;
906 }
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;
910 }
911 }
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;
915 }
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;
919 }
920 }
921 }
922 }
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;
929 }
930 }
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;
935 }
936 }
937 }
938 }
939 /*mode support, voltage state and soc configuration*/
940
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;
946 }
947 else {
948 v->mode_support_with_immediate_flip[i][j] = dcn_bw_no;
949 }
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;
952 }
953 else {
954 v->mode_support_without_immediate_flip[i][j] = dcn_bw_no;
955 }
956 }
957 else {
958 v->mode_support_with_immediate_flip[i][j] = dcn_bw_no;
959 v->mode_support_without_immediate_flip[i][j] = dcn_bw_no;
960 }
961 }
962 }
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;
966 }
967 }
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;
971 }
972 }
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;
976 }
977 else {
978 v->immediate_flip_supported = dcn_bw_yes;
979 v->voltage_level = v->voltage_level_with_immediate_flip;
980 }
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];
987 }
988 v->dispclk_dppclk_support_per_ratio[j] = v->dispclk_dppclk_support[v->voltage_level][j];
989 }
990 v->max_phyclk = v->phyclk_per_state[v->voltage_level];
991 }
display_pipe_configuration(struct dcn_bw_internal_vars * v)992 void display_pipe_configuration(struct dcn_bw_internal_vars *v)
993 {
994 int j;
995 int k;
996 /*display pipe configuration*/
997
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];
1002 }
1003 }
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];
1007 }
1008 else {
1009 v->dispclk_dppclk_ratio = 2;
1010 v->final_error_message = v->error_message[1];
1011 }
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];
1014 }
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;
1019 }
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;
1023 }
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;
1027 }
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;
1031 }
1032 else {
1033 v->byte_per_pix_dety = 4.0f / 3.0f;
1034 v->byte_per_pix_detc = 8.0f / 3.0f;
1035 }
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;
1039 }
1040 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1041 v->read256_bytes_block_height_y = 4.0;
1042 }
1043 else {
1044 v->read256_bytes_block_height_y = 8.0;
1045 }
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;
1049 }
1050 else {
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;
1054 }
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;
1058 }
1059 else {
1060 v->read256_bytes_block_height_y = 8.0;
1061 v->read256_bytes_block_height_c = 8.0;
1062 }
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;
1065 }
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;
1069 }
1070 else {
1071 v->maximum_swath_height_y = v->read256_bytes_block_width_y;
1072 v->maximum_swath_height_c = v->read256_bytes_block_width_c;
1073 }
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;
1077 }
1078 else {
1079 v->minimum_swath_height_y = v->maximum_swath_height_y / 2.0;
1080 }
1081 v->minimum_swath_height_c = v->maximum_swath_height_c;
1082 }
1083 else {
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;
1087 }
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;
1092 }
1093 else {
1094 v->minimum_swath_height_c = v->maximum_swath_height_c / 2.0;
1095 }
1096 }
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;
1101 }
1102 else {
1103 v->minimum_swath_height_y = v->maximum_swath_height_y / 2.0;
1104 }
1105 }
1106 else {
1107 v->minimum_swath_height_y = v->maximum_swath_height_y;
1108 v->minimum_swath_height_c = v->maximum_swath_height_c;
1109 }
1110 }
1111 if (v->source_scan[k] == dcn_bw_hor) {
1112 v->swath_width = v->viewport_width[k] / v->dpp_per_plane[k];
1113 }
1114 else {
1115 v->swath_width = v->viewport_height[k] / v->dpp_per_plane[k];
1116 }
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;
1121 }
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;
1124 }
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;
1128 }
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;
1132 }
1133 else {
1134 v->swath_height_y[k] = v->minimum_swath_height_y;
1135 v->swath_height_c[k] = v->minimum_swath_height_c;
1136 }
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;
1140 }
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;
1144 }
1145 else {
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;
1148 }
1149 }
1150 }
dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(struct dcn_bw_internal_vars * v)1151 void dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(struct dcn_bw_internal_vars *v)
1152 {
1153 int k;
1154 /*dispclk and dppclk calculation*/
1155
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));
1161 }
1162 else {
1163 v->pscl_throughput[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
1164 }
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;
1169 }
1170 else {
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));
1173 }
1174 else {
1175 v->pscl_throughput_chroma[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
1176 }
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);
1179 }
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));
1183 }
1184 else {
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));
1187 }
1188 }
1189 if (v->dispclk_without_ramping > v->max_dispclk[number_of_states]) {
1190 v->dispclk = v->dispclk_without_ramping;
1191 }
1192 else if (v->dispclk_with_ramping > v->max_dispclk[number_of_states]) {
1193 v->dispclk = v->max_dispclk[number_of_states];
1194 }
1195 else {
1196 v->dispclk = v->dispclk_with_ramping;
1197 }
1198 v->dppclk = v->dispclk / v->dispclk_dppclk_ratio;
1199 /*urgent watermark*/
1200
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;
1206 }
1207 }
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)));
1211 }
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));
1215 }
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)));
1219 }
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));
1223 }
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];
1227 }
1228 else {
1229 v->swath_width_y[k] = v->viewport_height[k] / v->dpp_per_plane[k];
1230 }
1231 }
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;
1236 }
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;
1240 }
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;
1244 }
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;
1248 }
1249 else {
1250 v->byte_per_pixel_dety[k] = 4.0f / 3.0f;
1251 v->byte_per_pixel_detc[k] = 8.0f / 3.0f;
1252 }
1253 }
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];
1259 }
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];
1266 }
1267 }
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];
1273 }
1274 else {
1275 v->display_pipe_line_delivery_time_luma[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1276 }
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;
1281 }
1282 else {
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];
1285 }
1286 else {
1287 v->display_pipe_line_delivery_time_chroma[k] = v->swath_width_y[k] / 2.0 / v->pscl_throughput_chroma[k] / v->dppclk;
1288 }
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]);
1291 }
1292 }
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;
1296 }
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*/
1300
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;
1306 }
1307 }
1308 if (v->total_active_writeback <= 1.0) {
1309 v->writeback_dram_clock_change_watermark = v->dram_clock_change_latency + v->write_back_latency;
1310 }
1311 else {
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;
1313 }
1314 /*stutter efficiency*/
1315
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);
1324 }
1325 else {
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;
1329 }
1330 }
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];
1336 }
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];
1340 }
1341 }
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;
1346 }
1347 else {
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;
1349 }
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;
1352 }
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;
1355 }
1356 }
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;
1361 }
1362 else {
1363 v->stutter_efficiency_not_including_vblank = 0.0;
1364 }
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];
1369 }
1370 else {
1371 v->v_blank_time = 0.0;
1372 }
1373 v->smallest_vblank =dcn_bw_min2(v->smallest_vblank, v->v_blank_time);
1374 }
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*/
1377
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]);
1381 }
1382 else {
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];
1384 }
1385 v->dcfclk_deep_sleep_per_plane[k] =dcn_bw_max2(v->dcfclk_deep_sleep_per_plane[k], v->pixel_clock[k] / 16.0);
1386 }
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]);
1390 }
1391 /*stutter watermark*/
1392
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*/
1396
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);
1404 }
1405 else {
1406 v->urgent_latency_support_us[k] = v->urgent_latency_support_us_luma;
1407 }
1408 }
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]);
1412 }
1413 /*non-urgent latency tolerance*/
1414
1415 v->non_urgent_latency_tolerance = v->min_urgent_latency_support_us - v->urgent_watermark;
1416 /*prefetch*/
1417
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;
1422 }
1423 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1424 v->block_height256_bytes_y = 4.0;
1425 }
1426 else {
1427 v->block_height256_bytes_y = 8.0;
1428 }
1429 v->block_height256_bytes_c = 0.0;
1430 }
1431 else {
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;
1435 }
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;
1439 }
1440 else {
1441 v->block_height256_bytes_y = 8.0;
1442 v->block_height256_bytes_c = 8.0;
1443 }
1444 }
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;
1451 }
1452 else {
1453 v->meta_pte_bytes_frame_y = 0.0;
1454 }
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;
1457 }
1458 else {
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;
1460 }
1461 }
1462 else {
1463 v->meta_pte_bytes_frame_y = 0.0;
1464 v->meta_row_byte_y = 0.0;
1465 }
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;
1470 }
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;
1474 }
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;
1478 }
1479 else {
1480 v->macro_tile_size_byte_y = 256.0 * 1024;
1481 v->macro_tile_height_y = 32.0 * v->block_height256_bytes_y;
1482 }
1483 if (v->macro_tile_size_byte_y <= 65536.0) {
1484 v->pixel_pte_req_height_y = v->macro_tile_height_y;
1485 }
1486 else {
1487 v->pixel_pte_req_height_y = 16.0 * v->block_height256_bytes_y;
1488 }
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);
1492 }
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);
1495 }
1496 else {
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);
1498 }
1499 }
1500 else {
1501 v->pixel_pte_bytes_per_row_y = 0.0;
1502 }
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;
1510 }
1511 else {
1512 v->meta_pte_bytes_frame_c = 0.0;
1513 }
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;
1516 }
1517 else {
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;
1519 }
1520 }
1521 else {
1522 v->meta_pte_bytes_frame_c = 0.0;
1523 v->meta_row_byte_c = 0.0;
1524 }
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;
1529 }
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;
1533 }
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;
1537 }
1538 else {
1539 v->macro_tile_size_bytes_c = 256.0 * 1024;
1540 v->macro_tile_height_c = 32.0 * v->block_height256_bytes_c;
1541 }
1542 if (v->macro_tile_size_bytes_c <= 65536.0) {
1543 v->pixel_pte_req_height_c = v->macro_tile_height_c;
1544 }
1545 else {
1546 v->pixel_pte_req_height_c = 16.0 * v->block_height256_bytes_c;
1547 }
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);
1551 }
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);
1554 }
1555 else {
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);
1557 }
1558 }
1559 else {
1560 v->pixel_pte_bytes_per_row_c = 0.0;
1561 }
1562 }
1563 else {
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;
1567 }
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]);
1575 }
1576 else {
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]);
1578 }
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]);
1586 }
1587 else {
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]);
1589 }
1590 v->max_partial_swath_c =dcn_bw_max2(1.0, v->max_partial_swath_c);
1591 }
1592 else {
1593 v->max_num_swath_c[k] = 0.0;
1594 v->max_partial_swath_c = 0.0;
1595 }
1596 v->prefetch_source_lines_c[k] = v->max_num_swath_c[k] * v->swath_height_c[k] + v->max_partial_swath_c;
1597 }
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;
1602 }
1603 else {
1604 v->max_vstartup_lines[k] = v->v_sync_plus_back_porch[k] - 1.0;
1605 }
1606 }
1607 v->next_prefetch_mode = 0.0;
1608 do {
1609 v->v_startup_lines = 13.0;
1610 do {
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;
1621 }
1622 if (v->output_format[k] == dcn_bw_420) {
1623 v->dsty_after_scaler = 1.0;
1624 }
1625 else {
1626 v->dsty_after_scaler = 0.0;
1627 }
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);
1636 }
1637 else if (v->prefetch_mode == 1.0) {
1638 v->t_wait =dcn_bw_max2(v->sr_enter_plus_exit_time, v->urgent_latency);
1639 }
1640 else {
1641 v->t_wait = v->urgent_latency;
1642 }
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]);
1646 }
1647 else {
1648 v->prefetch_bandwidth[k] = 999999.0;
1649 }
1650 }
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]);
1654 }
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];
1659 }
1660 }
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);
1666 }
1667 else {
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);
1669 }
1670 }
1671 else {
1672 v->time_for_fetching_meta_pte = v->htotal[k] / v->pixel_clock[k] / 4.0;
1673 }
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);
1678 }
1679 else {
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);
1681 }
1682 }
1683 else {
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);
1685 }
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));
1693 }
1694 else {
1695 v->v_ratio_prefetch_y[k] = 999999.0;
1696 }
1697 }
1698 }
1699 else {
1700 v->v_ratio_prefetch_y[k] = 999999.0;
1701 }
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));
1708 }
1709 else {
1710 v->v_ratio_prefetch_c[k] = 999999.0;
1711 }
1712 }
1713 }
1714 else {
1715 v->v_ratio_prefetch_c[k] = 999999.0;
1716 }
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]);
1720 }
1721 else {
1722 v->required_prefetch_pix_data_bw = 999999.0;
1723 }
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]));
1727 }
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;
1730 }
1731 if (v->destination_lines_for_prefetch[k] < 2.0) {
1732 v->destination_line_times_for_prefetch_less_than2 = dcn_bw_yes;
1733 }
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;
1737 }
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;
1740 }
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;
1743 }
1744 }
1745 }
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;
1748 }
1749 else {
1750 v->prefetch_mode_supported = dcn_bw_no;
1751 }
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];
1759 }
1760 else {
1761 v->display_pipe_line_delivery_time_luma_prefetch[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1762 }
1763 if (v->byte_per_pixel_detc[k] == 0.0) {
1764 v->display_pipe_line_delivery_time_chroma_prefetch[k] = 0.0;
1765 }
1766 else {
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];
1769 }
1770 else {
1771 v->display_pipe_line_delivery_time_chroma_prefetch[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1772 }
1773 }
1774 }
1775 /*min ttuv_blank*/
1776
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);
1782 }
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);
1787 }
1788 else {
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;
1792 }
1793 }
1794 /*nb p-state/dram clock change support*/
1795
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];
1799 }
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];
1807 }
1808 else if (v->swath_width_y[k] > v->dpp_output_buffer_pixels) {
1809 v->dpp_output_buffer_lines_y = 0.5;
1810 }
1811 else {
1812 v->dpp_output_buffer_lines_y = 1.0;
1813 }
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);
1816 }
1817 else if (v->swath_width_y[k] / 2.0 > v->dpp_output_buffer_pixels) {
1818 v->dpp_output_buffer_lines_c = 0.5;
1819 }
1820 else {
1821 v->dpp_output_buffer_lines_c = 1.0;
1822 }
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]);
1828 }
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]);
1835 }
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);
1837 }
1838 else {
1839 v->active_dram_clock_change_latency_margin[k] = v->active_dram_clock_change_latency_margin_y;
1840 }
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;
1843 }
1844 else {
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;
1846 }
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);
1849 }
1850 }
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);
1854 }
1855 else {
1856 v->v_blank_dram_clock_change_latency_margin[k] = 0.0;
1857 }
1858 }
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];
1867 }
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];
1870 }
1871 }
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];
1876 }
1877 }
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);
1880 }
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);
1883 }
1884 else {
1885 v->dram_clock_change_margin = v->min_active_dram_clock_change_margin;
1886 }
1887 if (v->min_active_dram_clock_change_margin > 0.0) {
1888 v->dram_clock_change_support = dcn_bw_supported_in_v_active;
1889 }
1890 else if (v->dram_clock_change_margin > 0.0) {
1891 v->dram_clock_change_support = dcn_bw_supported_in_v_blank;
1892 }
1893 else {
1894 v->dram_clock_change_support = dcn_bw_not_supported;
1895 }
1896 /*maximum bandwidth used*/
1897
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;
1902 }
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;
1905 }
1906 }
1907 v->max_used_bw = v->max_rd_bandwidth + v->wr_bandwidth;
1908 }
1909