This source file includes following definitions.
- scaler_settings_calculation
- mode_support_and_system_configuration
- display_pipe_configuration
- dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation
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26 #include "dm_services.h"
27 #include "dcn_calc_auto.h"
28 #include "dcn_calc_math.h"
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39
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
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
121 void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v)
122 {
123 int i;
124 int j;
125 int k;
126
127
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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
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
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
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
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
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
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
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
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
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
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
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
801 do {
802 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]);
803 v->line_times_for_prefetch[k] =dcn_bw_floor2(4.0 * (v->line_times_for_prefetch[k] + 0.125), 1.0) / 4;
804 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]);
805
806 if (v->pte_enable == dcn_bw_yes && v->dcc_enable[k] == dcn_bw_yes) {
807 v->time_for_meta_pte_without_immediate_flip = dcn_bw_max3(
808 v->meta_pte_bytes_frame[k] / v->prefetch_bandwidth[k],
809 v->extra_latency,
810 v->htotal[k] / v->pixel_clock[k] / 4.0);
811 } else {
812 v->time_for_meta_pte_without_immediate_flip = v->htotal[k] / v->pixel_clock[k] / 4.0;
813 }
814
815 if (v->pte_enable == dcn_bw_yes || v->dcc_enable[k] == dcn_bw_yes) {
816 v->time_for_meta_and_dpte_row_without_immediate_flip = dcn_bw_max3((
817 v->meta_row_bytes[k] + v->dpte_bytes_per_row[k]) / v->prefetch_bandwidth[k],
818 v->htotal[k] / v->pixel_clock[k] - v->time_for_meta_pte_without_immediate_flip,
819 v->extra_latency);
820 } else {
821 v->time_for_meta_and_dpte_row_without_immediate_flip = dcn_bw_max2(
822 v->htotal[k] / v->pixel_clock[k] - v->time_for_meta_pte_without_immediate_flip,
823 v->extra_latency - v->time_for_meta_pte_with_immediate_flip);
824 }
825
826 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;
827 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;
828 v->maximum_vstartup = v->maximum_vstartup - 1;
829
830 if (v->lines_for_meta_pte_without_immediate_flip[k] < 8.0 && v->lines_for_meta_and_dpte_row_without_immediate_flip[k] < 16.0)
831 break;
832
833 } while(1);
834 }
835 v->bw_available_for_immediate_flip = v->return_bw_per_state[i];
836 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
837 v->bw_available_for_immediate_flip = v->bw_available_for_immediate_flip -dcn_bw_max2(v->read_bandwidth[k], v->prefetch_bw[k]);
838 }
839 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
840 v->total_immediate_flip_bytes[k] = 0.0;
841 if ((v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
842 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];
843 }
844 }
845 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
846 if (v->pte_enable == dcn_bw_yes && v->dcc_enable[k] == dcn_bw_yes) {
847 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);
848 }
849 else {
850 v->time_for_meta_pte_with_immediate_flip = v->htotal[k] / v->pixel_clock[k] / 4.0;
851 }
852 if (v->pte_enable == dcn_bw_yes || v->dcc_enable[k] == dcn_bw_yes) {
853 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);
854 }
855 else {
856 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);
857 }
858 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;
859 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;
860 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];
861 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];
862 if (v->line_times_to_request_prefetch_pixel_data_with_immediate_flip > 0.0) {
863 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;
864 if ((v->swath_height_yper_state[i][j][k] > 4.0)) {
865 if (v->line_times_to_request_prefetch_pixel_data_with_immediate_flip - (v->prefill_y[k] - 3.0) / 2.0 > 0.0) {
866 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));
867 }
868 else {
869 v->v_ratio_pre_ywith_immediate_flip[i][j][k] = 999999.0;
870 }
871 }
872 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;
873 if ((v->swath_height_cper_state[i][j][k] > 4.0)) {
874 if (v->line_times_to_request_prefetch_pixel_data_with_immediate_flip - (v->prefill_c[k] - 3.0) / 2.0 > 0.0) {
875 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));
876 }
877 else {
878 v->v_ratio_pre_cwith_immediate_flip[i][j][k] = 999999.0;
879 }
880 }
881 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]);
882 }
883 else {
884 v->v_ratio_pre_ywith_immediate_flip[i][j][k] = 999999.0;
885 v->v_ratio_pre_cwith_immediate_flip[i][j][k] = 999999.0;
886 v->required_prefetch_pixel_data_bw_with_immediate_flip[i][j][k] = 999999.0;
887 }
888 if (v->line_times_to_request_prefetch_pixel_data_without_immediate_flip > 0.0) {
889 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;
890 if ((v->swath_height_yper_state[i][j][k] > 4.0)) {
891 if (v->line_times_to_request_prefetch_pixel_data_without_immediate_flip - (v->prefill_y[k] - 3.0) / 2.0 > 0.0) {
892 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));
893 }
894 else {
895 v->v_ratio_pre_ywithout_immediate_flip[i][j][k] = 999999.0;
896 }
897 }
898 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;
899 if ((v->swath_height_cper_state[i][j][k] > 4.0)) {
900 if (v->line_times_to_request_prefetch_pixel_data_without_immediate_flip - (v->prefill_c[k] - 3.0) / 2.0 > 0.0) {
901 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));
902 }
903 else {
904 v->v_ratio_pre_cwithout_immediate_flip[i][j][k] = 999999.0;
905 }
906 }
907 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]);
908 }
909 else {
910 v->v_ratio_pre_ywithout_immediate_flip[i][j][k] = 999999.0;
911 v->v_ratio_pre_cwithout_immediate_flip[i][j][k] = 999999.0;
912 v->required_prefetch_pixel_data_bw_without_immediate_flip[i][j][k] = 999999.0;
913 }
914 }
915 v->maximum_read_bandwidth_with_prefetch_with_immediate_flip = 0.0;
916 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
917 if ((v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
918 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]));
919 }
920 else {
921 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]);
922 }
923 }
924 v->maximum_read_bandwidth_with_prefetch_without_immediate_flip = 0.0;
925 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
926 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]);
927 }
928 v->prefetch_supported_with_immediate_flip[i][j] = dcn_bw_yes;
929 if (v->maximum_read_bandwidth_with_prefetch_with_immediate_flip > v->return_bw_per_state[i]) {
930 v->prefetch_supported_with_immediate_flip[i][j] = dcn_bw_no;
931 }
932 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
933 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) {
934 v->prefetch_supported_with_immediate_flip[i][j] = dcn_bw_no;
935 }
936 }
937 v->prefetch_supported_without_immediate_flip[i][j] = dcn_bw_yes;
938 if (v->maximum_read_bandwidth_with_prefetch_without_immediate_flip > v->return_bw_per_state[i]) {
939 v->prefetch_supported_without_immediate_flip[i][j] = dcn_bw_no;
940 }
941 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
942 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) {
943 v->prefetch_supported_without_immediate_flip[i][j] = dcn_bw_no;
944 }
945 }
946 }
947 }
948 for (i = 0; i <= number_of_states_plus_one; i++) {
949 for (j = 0; j <= 1; j++) {
950 v->v_ratio_in_prefetch_supported_with_immediate_flip[i][j] = dcn_bw_yes;
951 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
952 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)))) {
953 v->v_ratio_in_prefetch_supported_with_immediate_flip[i][j] = dcn_bw_no;
954 }
955 }
956 v->v_ratio_in_prefetch_supported_without_immediate_flip[i][j] = dcn_bw_yes;
957 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
958 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)) {
959 v->v_ratio_in_prefetch_supported_without_immediate_flip[i][j] = dcn_bw_no;
960 }
961 }
962 }
963 }
964
965
966 for (i = number_of_states_plus_one; i >= 0; i--) {
967 for (j = 0; j <= 1; j++) {
968 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) {
969 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) {
970 v->mode_support_with_immediate_flip[i][j] = dcn_bw_yes;
971 }
972 else {
973 v->mode_support_with_immediate_flip[i][j] = dcn_bw_no;
974 }
975 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) {
976 v->mode_support_without_immediate_flip[i][j] = dcn_bw_yes;
977 }
978 else {
979 v->mode_support_without_immediate_flip[i][j] = dcn_bw_no;
980 }
981 }
982 else {
983 v->mode_support_with_immediate_flip[i][j] = dcn_bw_no;
984 v->mode_support_without_immediate_flip[i][j] = dcn_bw_no;
985 }
986 }
987 }
988 for (i = number_of_states_plus_one; i >= 0; i--) {
989 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) {
990 v->voltage_level_with_immediate_flip = i;
991 }
992 }
993 for (i = number_of_states_plus_one; i >= 0; i--) {
994 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) {
995 v->voltage_level_without_immediate_flip = i;
996 }
997 }
998 if (v->voltage_level_with_immediate_flip == number_of_states_plus_one) {
999 v->immediate_flip_supported = dcn_bw_no;
1000 v->voltage_level = v->voltage_level_without_immediate_flip;
1001 }
1002 else {
1003 v->immediate_flip_supported = dcn_bw_yes;
1004 v->voltage_level = v->voltage_level_with_immediate_flip;
1005 }
1006 v->dcfclk = v->dcfclk_per_state[v->voltage_level];
1007 v->fabric_and_dram_bandwidth = v->fabric_and_dram_bandwidth_per_state[v->voltage_level];
1008 for (j = 0; j <= 1; j++) {
1009 v->required_dispclk_per_ratio[j] = v->required_dispclk[v->voltage_level][j];
1010 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1011 v->dpp_per_plane_per_ratio[j][k] = v->no_of_dpp[v->voltage_level][j][k];
1012 }
1013 v->dispclk_dppclk_support_per_ratio[j] = v->dispclk_dppclk_support[v->voltage_level][j];
1014 }
1015 v->max_phyclk = v->phyclk_per_state[v->voltage_level];
1016 }
1017 void display_pipe_configuration(struct dcn_bw_internal_vars *v)
1018 {
1019 int j;
1020 int k;
1021
1022
1023 for (j = 0; j <= 1; j++) {
1024 v->total_number_of_active_dpp_per_ratio[j] = 0.0;
1025 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1026 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];
1027 }
1028 }
1029 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]))))) {
1030 v->dispclk_dppclk_ratio = 1;
1031 v->final_error_message = v->error_message[0];
1032 }
1033 else {
1034 v->dispclk_dppclk_ratio = 2;
1035 v->final_error_message = v->error_message[1];
1036 }
1037 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1038 v->dpp_per_plane[k] = v->dpp_per_plane_per_ratio[v->dispclk_dppclk_ratio - 1][k];
1039 }
1040 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1041 if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1042 v->byte_per_pix_dety = 8.0;
1043 v->byte_per_pix_detc = 0.0;
1044 }
1045 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_32) {
1046 v->byte_per_pix_dety = 4.0;
1047 v->byte_per_pix_detc = 0.0;
1048 }
1049 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_16) {
1050 v->byte_per_pix_dety = 2.0;
1051 v->byte_per_pix_detc = 0.0;
1052 }
1053 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
1054 v->byte_per_pix_dety = 1.0;
1055 v->byte_per_pix_detc = 2.0;
1056 }
1057 else {
1058 v->byte_per_pix_dety = 4.0f / 3.0f;
1059 v->byte_per_pix_detc = 8.0f / 3.0f;
1060 }
1061 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)) {
1062 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1063 v->read256_bytes_block_height_y = 1.0;
1064 }
1065 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1066 v->read256_bytes_block_height_y = 4.0;
1067 }
1068 else {
1069 v->read256_bytes_block_height_y = 8.0;
1070 }
1071 v->read256_bytes_block_width_y = 256.0 /dcn_bw_ceil2(v->byte_per_pix_dety, 1.0) / v->read256_bytes_block_height_y;
1072 v->read256_bytes_block_height_c = 0.0;
1073 v->read256_bytes_block_width_c = 0.0;
1074 }
1075 else {
1076 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1077 v->read256_bytes_block_height_y = 1.0;
1078 v->read256_bytes_block_height_c = 1.0;
1079 }
1080 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
1081 v->read256_bytes_block_height_y = 16.0;
1082 v->read256_bytes_block_height_c = 8.0;
1083 }
1084 else {
1085 v->read256_bytes_block_height_y = 8.0;
1086 v->read256_bytes_block_height_c = 8.0;
1087 }
1088 v->read256_bytes_block_width_y = 256.0 /dcn_bw_ceil2(v->byte_per_pix_dety, 1.0) / v->read256_bytes_block_height_y;
1089 v->read256_bytes_block_width_c = 256.0 /dcn_bw_ceil2(v->byte_per_pix_detc, 2.0) / v->read256_bytes_block_height_c;
1090 }
1091 if (v->source_scan[k] == dcn_bw_hor) {
1092 v->maximum_swath_height_y = v->read256_bytes_block_height_y;
1093 v->maximum_swath_height_c = v->read256_bytes_block_height_c;
1094 }
1095 else {
1096 v->maximum_swath_height_y = v->read256_bytes_block_width_y;
1097 v->maximum_swath_height_c = v->read256_bytes_block_width_c;
1098 }
1099 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)) {
1100 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)) {
1101 v->minimum_swath_height_y = v->maximum_swath_height_y;
1102 }
1103 else {
1104 v->minimum_swath_height_y = v->maximum_swath_height_y / 2.0;
1105 }
1106 v->minimum_swath_height_c = v->maximum_swath_height_c;
1107 }
1108 else {
1109 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1110 v->minimum_swath_height_y = v->maximum_swath_height_y;
1111 v->minimum_swath_height_c = v->maximum_swath_height_c;
1112 }
1113 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8 && v->source_scan[k] == dcn_bw_hor) {
1114 v->minimum_swath_height_y = v->maximum_swath_height_y / 2.0;
1115 if (v->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes) {
1116 v->minimum_swath_height_c = v->maximum_swath_height_c;
1117 }
1118 else {
1119 v->minimum_swath_height_c = v->maximum_swath_height_c / 2.0;
1120 }
1121 }
1122 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10 && v->source_scan[k] == dcn_bw_hor) {
1123 v->minimum_swath_height_c = v->maximum_swath_height_c / 2.0;
1124 if (v->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes) {
1125 v->minimum_swath_height_y = v->maximum_swath_height_y;
1126 }
1127 else {
1128 v->minimum_swath_height_y = v->maximum_swath_height_y / 2.0;
1129 }
1130 }
1131 else {
1132 v->minimum_swath_height_y = v->maximum_swath_height_y;
1133 v->minimum_swath_height_c = v->maximum_swath_height_c;
1134 }
1135 }
1136 if (v->source_scan[k] == dcn_bw_hor) {
1137 v->swath_width = v->viewport_width[k] / v->dpp_per_plane[k];
1138 }
1139 else {
1140 v->swath_width = v->viewport_height[k] / v->dpp_per_plane[k];
1141 }
1142 v->swath_width_granularity_y = 256.0 /dcn_bw_ceil2(v->byte_per_pix_dety, 1.0) / v->maximum_swath_height_y;
1143 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;
1144 if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) {
1145 v->rounded_up_max_swath_size_bytes_y =dcn_bw_ceil2(v->rounded_up_max_swath_size_bytes_y, 256.0) + 256;
1146 }
1147 if (v->maximum_swath_height_c > 0.0) {
1148 v->swath_width_granularity_c = 256.0 /dcn_bw_ceil2(v->byte_per_pix_detc, 2.0) / v->maximum_swath_height_c;
1149 }
1150 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;
1151 if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_10) {
1152 v->rounded_up_max_swath_size_bytes_c =dcn_bw_ceil2(v->rounded_up_max_swath_size_bytes_c, 256.0) + 256;
1153 }
1154 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) {
1155 v->swath_height_y[k] = v->maximum_swath_height_y;
1156 v->swath_height_c[k] = v->maximum_swath_height_c;
1157 }
1158 else {
1159 v->swath_height_y[k] = v->minimum_swath_height_y;
1160 v->swath_height_c[k] = v->minimum_swath_height_c;
1161 }
1162 if (v->swath_height_c[k] == 0.0) {
1163 v->det_buffer_size_y[k] = v->det_buffer_size_in_kbyte * 1024.0;
1164 v->det_buffer_size_c[k] = 0.0;
1165 }
1166 else if (v->swath_height_y[k] <= v->swath_height_c[k]) {
1167 v->det_buffer_size_y[k] = v->det_buffer_size_in_kbyte * 1024.0 / 2.0;
1168 v->det_buffer_size_c[k] = v->det_buffer_size_in_kbyte * 1024.0 / 2.0;
1169 }
1170 else {
1171 v->det_buffer_size_y[k] = v->det_buffer_size_in_kbyte * 1024.0 * 2.0 / 3.0;
1172 v->det_buffer_size_c[k] = v->det_buffer_size_in_kbyte * 1024.0 / 3.0;
1173 }
1174 }
1175 }
1176 void dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(struct dcn_bw_internal_vars *v)
1177 {
1178 int k;
1179
1180
1181 v->dispclk_with_ramping = 0.0;
1182 v->dispclk_without_ramping = 0.0;
1183 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1184 if (v->h_ratio[k] > 1.0) {
1185 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));
1186 }
1187 else {
1188 v->pscl_throughput[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
1189 }
1190 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);
1191 if ((v->source_pixel_format[k] != dcn_bw_yuv420_sub_8 && v->source_pixel_format[k] != dcn_bw_yuv420_sub_10)) {
1192 v->pscl_throughput_chroma[k] = 0.0;
1193 v->dppclk_using_single_dpp = v->dppclk_using_single_dpp_luma;
1194 }
1195 else {
1196 if (v->h_ratio[k] > 1.0) {
1197 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));
1198 }
1199 else {
1200 v->pscl_throughput_chroma[k] =dcn_bw_min2(v->max_dchub_topscl_throughput, v->max_pscl_tolb_throughput);
1201 }
1202 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);
1203 v->dppclk_using_single_dpp =dcn_bw_max2(v->dppclk_using_single_dpp_luma, v->dppclk_using_single_dpp_chroma);
1204 }
1205 if (v->odm_capable == dcn_bw_yes) {
1206 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));
1207 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));
1208 }
1209 else {
1210 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));
1211 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));
1212 }
1213 }
1214 if (v->dispclk_without_ramping > v->max_dispclk[number_of_states]) {
1215 v->dispclk = v->dispclk_without_ramping;
1216 }
1217 else if (v->dispclk_with_ramping > v->max_dispclk[number_of_states]) {
1218 v->dispclk = v->max_dispclk[number_of_states];
1219 }
1220 else {
1221 v->dispclk = v->dispclk_with_ramping;
1222 }
1223 v->dppclk = v->dispclk / v->dispclk_dppclk_ratio;
1224
1225
1226 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);
1227 v->dcc_enabled_any_plane = dcn_bw_no;
1228 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1229 if (v->dcc_enable[k] == dcn_bw_yes) {
1230 v->dcc_enabled_any_plane = dcn_bw_yes;
1231 }
1232 }
1233 v->return_bw = v->return_bandwidth_to_dcn;
1234 if (v->dcc_enabled_any_plane == dcn_bw_yes && v->return_bandwidth_to_dcn > v->dcfclk * v->return_bus_width / 4.0) {
1235 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)));
1236 }
1237 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);
1238 if (v->dcc_enabled_any_plane == dcn_bw_yes && v->critical_compression > 1.0 && v->critical_compression < 4.0) {
1239 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));
1240 }
1241 v->return_bandwidth_to_dcn =dcn_bw_min2(v->return_bus_width * v->dcfclk, v->fabric_and_dram_bandwidth * 1000.0);
1242 if (v->dcc_enabled_any_plane == dcn_bw_yes && v->return_bandwidth_to_dcn > v->dcfclk * v->return_bus_width / 4.0) {
1243 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)));
1244 }
1245 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);
1246 if (v->dcc_enabled_any_plane == dcn_bw_yes && v->critical_compression > 1.0 && v->critical_compression < 4.0) {
1247 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));
1248 }
1249 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1250 if (v->source_scan[k] == dcn_bw_hor) {
1251 v->swath_width_y[k] = v->viewport_width[k] / v->dpp_per_plane[k];
1252 }
1253 else {
1254 v->swath_width_y[k] = v->viewport_height[k] / v->dpp_per_plane[k];
1255 }
1256 }
1257 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1258 if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1259 v->byte_per_pixel_dety[k] = 8.0;
1260 v->byte_per_pixel_detc[k] = 0.0;
1261 }
1262 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_32) {
1263 v->byte_per_pixel_dety[k] = 4.0;
1264 v->byte_per_pixel_detc[k] = 0.0;
1265 }
1266 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_16) {
1267 v->byte_per_pixel_dety[k] = 2.0;
1268 v->byte_per_pixel_detc[k] = 0.0;
1269 }
1270 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
1271 v->byte_per_pixel_dety[k] = 1.0;
1272 v->byte_per_pixel_detc[k] = 2.0;
1273 }
1274 else {
1275 v->byte_per_pixel_dety[k] = 4.0f / 3.0f;
1276 v->byte_per_pixel_detc[k] = 8.0f / 3.0f;
1277 }
1278 }
1279 v->total_data_read_bandwidth = 0.0;
1280 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1281 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];
1282 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;
1283 v->total_data_read_bandwidth = v->total_data_read_bandwidth + v->read_bandwidth_plane_luma[k] + v->read_bandwidth_plane_chroma[k];
1284 }
1285 v->total_active_dpp = 0.0;
1286 v->total_dcc_active_dpp = 0.0;
1287 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1288 v->total_active_dpp = v->total_active_dpp + v->dpp_per_plane[k];
1289 if (v->dcc_enable[k] == dcn_bw_yes) {
1290 v->total_dcc_active_dpp = v->total_dcc_active_dpp + v->dpp_per_plane[k];
1291 }
1292 }
1293 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;
1294 v->last_pixel_of_line_extra_watermark = 0.0;
1295 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1296 if (v->v_ratio[k] <= 1.0) {
1297 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];
1298 }
1299 else {
1300 v->display_pipe_line_delivery_time_luma[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1301 }
1302 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);
1303 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]);
1304 if (v->byte_per_pixel_detc[k] == 0.0) {
1305 v->display_pipe_line_delivery_time_chroma[k] = 0.0;
1306 }
1307 else {
1308 if (v->v_ratio[k] / 2.0 <= 1.0) {
1309 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];
1310 }
1311 else {
1312 v->display_pipe_line_delivery_time_chroma[k] = v->swath_width_y[k] / 2.0 / v->pscl_throughput_chroma[k] / v->dppclk;
1313 }
1314 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);
1315 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]);
1316 }
1317 }
1318 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;
1319 if (v->pte_enable == dcn_bw_yes) {
1320 v->urgent_extra_latency = v->urgent_extra_latency + v->total_active_dpp * v->pte_chunk_size * 1024.0 / v->return_bw;
1321 }
1322 v->urgent_watermark = v->urgent_latency + v->last_pixel_of_line_extra_watermark + v->urgent_extra_latency;
1323 v->ptemeta_urgent_watermark = v->urgent_watermark + 2.0 * v->urgent_latency;
1324
1325
1326 v->dram_clock_change_watermark = v->dram_clock_change_latency + v->urgent_watermark;
1327 v->total_active_writeback = 0.0;
1328 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1329 if (v->output[k] == dcn_bw_writeback) {
1330 v->total_active_writeback = v->total_active_writeback + 1.0;
1331 }
1332 }
1333 if (v->total_active_writeback <= 1.0) {
1334 v->writeback_dram_clock_change_watermark = v->dram_clock_change_latency + v->write_back_latency;
1335 }
1336 else {
1337 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;
1338 }
1339
1340
1341 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1342 v->lines_in_dety[k] = v->det_buffer_size_y[k] / v->byte_per_pixel_dety[k] / v->swath_width_y[k];
1343 v->lines_in_dety_rounded_down_to_swath[k] =dcn_bw_floor2(v->lines_in_dety[k], v->swath_height_y[k]);
1344 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];
1345 if (v->byte_per_pixel_detc[k] > 0.0) {
1346 v->lines_in_detc[k] = v->det_buffer_size_c[k] / v->byte_per_pixel_detc[k] / (v->swath_width_y[k] / 2.0);
1347 v->lines_in_detc_rounded_down_to_swath[k] =dcn_bw_floor2(v->lines_in_detc[k], v->swath_height_c[k]);
1348 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);
1349 }
1350 else {
1351 v->lines_in_detc[k] = 0.0;
1352 v->lines_in_detc_rounded_down_to_swath[k] = 0.0;
1353 v->full_det_buffering_time_c[k] = 999999.0;
1354 }
1355 }
1356 v->min_full_det_buffering_time = 999999.0;
1357 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1358 if (v->full_det_buffering_time_y[k] < v->min_full_det_buffering_time) {
1359 v->min_full_det_buffering_time = v->full_det_buffering_time_y[k];
1360 v->frame_time_for_min_full_det_buffering_time = v->vtotal[k] * v->htotal[k] / v->pixel_clock[k];
1361 }
1362 if (v->full_det_buffering_time_c[k] < v->min_full_det_buffering_time) {
1363 v->min_full_det_buffering_time = v->full_det_buffering_time_c[k];
1364 v->frame_time_for_min_full_det_buffering_time = v->vtotal[k] * v->htotal[k] / v->pixel_clock[k];
1365 }
1366 }
1367 v->average_read_bandwidth_gbyte_per_second = 0.0;
1368 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1369 if (v->dcc_enable[k] == dcn_bw_yes) {
1370 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;
1371 }
1372 else {
1373 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;
1374 }
1375 if (v->dcc_enable[k] == dcn_bw_yes) {
1376 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;
1377 }
1378 if (v->pte_enable == dcn_bw_yes) {
1379 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;
1380 }
1381 }
1382 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));
1383 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);
1384 if (v->total_active_writeback == 0.0) {
1385 v->stutter_efficiency_not_including_vblank = (1.0 - (v->sr_exit_time + v->stutter_burst_time) / v->min_full_det_buffering_time) * 100.0;
1386 }
1387 else {
1388 v->stutter_efficiency_not_including_vblank = 0.0;
1389 }
1390 v->smallest_vblank = 999999.0;
1391 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1392 if (v->synchronized_vblank == dcn_bw_yes || v->number_of_active_planes == 1) {
1393 v->v_blank_time = (v->vtotal[k] - v->vactive[k]) * v->htotal[k] / v->pixel_clock[k];
1394 }
1395 else {
1396 v->v_blank_time = 0.0;
1397 }
1398 v->smallest_vblank =dcn_bw_min2(v->smallest_vblank, v->v_blank_time);
1399 }
1400 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;
1401
1402
1403 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1404 if (v->byte_per_pixel_detc[k] > 0.0) {
1405 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]);
1406 }
1407 else {
1408 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];
1409 }
1410 v->dcfclk_deep_sleep_per_plane[k] =dcn_bw_max2(v->dcfclk_deep_sleep_per_plane[k], v->pixel_clock[k] / 16.0);
1411 }
1412 v->dcf_clk_deep_sleep = 8.0;
1413 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1414 v->dcf_clk_deep_sleep =dcn_bw_max2(v->dcf_clk_deep_sleep, v->dcfclk_deep_sleep_per_plane[k]);
1415 }
1416
1417
1418 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;
1419 v->stutter_enter_plus_exit_watermark = v->sr_enter_plus_exit_time + v->last_pixel_of_line_extra_watermark + v->urgent_extra_latency;
1420
1421
1422 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1423 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]);
1424 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]);
1425 if (v->byte_per_pixel_detc[k] > 0.0) {
1426 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]);
1427 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]);
1428 v->urgent_latency_support_us[k] =dcn_bw_min2(v->urgent_latency_support_us_luma, v->urgent_latency_support_us_chroma);
1429 }
1430 else {
1431 v->urgent_latency_support_us[k] = v->urgent_latency_support_us_luma;
1432 }
1433 }
1434 v->min_urgent_latency_support_us = 999999.0;
1435 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1436 v->min_urgent_latency_support_us =dcn_bw_min2(v->min_urgent_latency_support_us, v->urgent_latency_support_us[k]);
1437 }
1438
1439
1440 v->non_urgent_latency_tolerance = v->min_urgent_latency_support_us - v->urgent_watermark;
1441
1442
1443 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1444 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)) {
1445 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1446 v->block_height256_bytes_y = 1.0;
1447 }
1448 else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
1449 v->block_height256_bytes_y = 4.0;
1450 }
1451 else {
1452 v->block_height256_bytes_y = 8.0;
1453 }
1454 v->block_height256_bytes_c = 0.0;
1455 }
1456 else {
1457 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1458 v->block_height256_bytes_y = 1.0;
1459 v->block_height256_bytes_c = 1.0;
1460 }
1461 else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
1462 v->block_height256_bytes_y = 16.0;
1463 v->block_height256_bytes_c = 8.0;
1464 }
1465 else {
1466 v->block_height256_bytes_y = 8.0;
1467 v->block_height256_bytes_c = 8.0;
1468 }
1469 }
1470 if (v->dcc_enable[k] == dcn_bw_yes) {
1471 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);
1472 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;
1473 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;
1474 if (v->pte_enable == dcn_bw_yes) {
1475 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;
1476 }
1477 else {
1478 v->meta_pte_bytes_frame_y = 0.0;
1479 }
1480 if (v->source_scan[k] == dcn_bw_hor) {
1481 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;
1482 }
1483 else {
1484 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;
1485 }
1486 }
1487 else {
1488 v->meta_pte_bytes_frame_y = 0.0;
1489 v->meta_row_byte_y = 0.0;
1490 }
1491 if (v->pte_enable == dcn_bw_yes) {
1492 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1493 v->macro_tile_size_byte_y = 256.0;
1494 v->macro_tile_height_y = 1.0;
1495 }
1496 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) {
1497 v->macro_tile_size_byte_y = 4096.0;
1498 v->macro_tile_height_y = 4.0 * v->block_height256_bytes_y;
1499 }
1500 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) {
1501 v->macro_tile_size_byte_y = 64.0 * 1024;
1502 v->macro_tile_height_y = 16.0 * v->block_height256_bytes_y;
1503 }
1504 else {
1505 v->macro_tile_size_byte_y = 256.0 * 1024;
1506 v->macro_tile_height_y = 32.0 * v->block_height256_bytes_y;
1507 }
1508 if (v->macro_tile_size_byte_y <= 65536.0) {
1509 v->pixel_pte_req_height_y = v->macro_tile_height_y;
1510 }
1511 else {
1512 v->pixel_pte_req_height_y = 16.0 * v->block_height256_bytes_y;
1513 }
1514 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;
1515 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1516 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);
1517 }
1518 else if (v->source_scan[k] == dcn_bw_hor) {
1519 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);
1520 }
1521 else {
1522 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);
1523 }
1524 }
1525 else {
1526 v->pixel_pte_bytes_per_row_y = 0.0;
1527 }
1528 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)) {
1529 if (v->dcc_enable[k] == dcn_bw_yes) {
1530 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);
1531 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;
1532 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;
1533 if (v->pte_enable == dcn_bw_yes) {
1534 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;
1535 }
1536 else {
1537 v->meta_pte_bytes_frame_c = 0.0;
1538 }
1539 if (v->source_scan[k] == dcn_bw_hor) {
1540 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;
1541 }
1542 else {
1543 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;
1544 }
1545 }
1546 else {
1547 v->meta_pte_bytes_frame_c = 0.0;
1548 v->meta_row_byte_c = 0.0;
1549 }
1550 if (v->pte_enable == dcn_bw_yes) {
1551 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1552 v->macro_tile_size_bytes_c = 256.0;
1553 v->macro_tile_height_c = 1.0;
1554 }
1555 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) {
1556 v->macro_tile_size_bytes_c = 4096.0;
1557 v->macro_tile_height_c = 4.0 * v->block_height256_bytes_c;
1558 }
1559 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) {
1560 v->macro_tile_size_bytes_c = 64.0 * 1024;
1561 v->macro_tile_height_c = 16.0 * v->block_height256_bytes_c;
1562 }
1563 else {
1564 v->macro_tile_size_bytes_c = 256.0 * 1024;
1565 v->macro_tile_height_c = 32.0 * v->block_height256_bytes_c;
1566 }
1567 if (v->macro_tile_size_bytes_c <= 65536.0) {
1568 v->pixel_pte_req_height_c = v->macro_tile_height_c;
1569 }
1570 else {
1571 v->pixel_pte_req_height_c = 16.0 * v->block_height256_bytes_c;
1572 }
1573 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;
1574 if (v->source_surface_mode[k] == dcn_bw_sw_linear) {
1575 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);
1576 }
1577 else if (v->source_scan[k] == dcn_bw_hor) {
1578 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);
1579 }
1580 else {
1581 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);
1582 }
1583 }
1584 else {
1585 v->pixel_pte_bytes_per_row_c = 0.0;
1586 }
1587 }
1588 else {
1589 v->pixel_pte_bytes_per_row_c = 0.0;
1590 v->meta_pte_bytes_frame_c = 0.0;
1591 v->meta_row_byte_c = 0.0;
1592 }
1593 v->pixel_pte_bytes_per_row[k] = v->pixel_pte_bytes_per_row_y + v->pixel_pte_bytes_per_row_c;
1594 v->meta_pte_bytes_frame[k] = v->meta_pte_bytes_frame_y + v->meta_pte_bytes_frame_c;
1595 v->meta_row_byte[k] = v->meta_row_byte_y + v->meta_row_byte_c;
1596 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);
1597 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;
1598 if (v->v_init_pre_fill_y[k] > 1.0) {
1599 v->max_partial_swath_y =dcn_bw_mod((v->v_init_pre_fill_y[k] - 2.0), v->swath_height_y[k]);
1600 }
1601 else {
1602 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]);
1603 }
1604 v->max_partial_swath_y =dcn_bw_max2(1.0, v->max_partial_swath_y);
1605 v->prefetch_source_lines_y[k] = v->max_num_swath_y[k] * v->swath_height_y[k] + v->max_partial_swath_y;
1606 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)) {
1607 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);
1608 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;
1609 if (v->v_init_pre_fill_c[k] > 1.0) {
1610 v->max_partial_swath_c =dcn_bw_mod((v->v_init_pre_fill_c[k] - 2.0), v->swath_height_c[k]);
1611 }
1612 else {
1613 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]);
1614 }
1615 v->max_partial_swath_c =dcn_bw_max2(1.0, v->max_partial_swath_c);
1616 }
1617 else {
1618 v->max_num_swath_c[k] = 0.0;
1619 v->max_partial_swath_c = 0.0;
1620 }
1621 v->prefetch_source_lines_c[k] = v->max_num_swath_c[k] * v->swath_height_c[k] + v->max_partial_swath_c;
1622 }
1623 v->t_calc = 24.0 / v->dcf_clk_deep_sleep;
1624 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1625 if (v->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one == dcn_bw_yes) {
1626 v->max_vstartup_lines[k] = v->vtotal[k] - v->vactive[k] - 1.0;
1627 }
1628 else {
1629 v->max_vstartup_lines[k] = v->v_sync_plus_back_porch[k] - 1.0;
1630 }
1631 }
1632 v->next_prefetch_mode = 0.0;
1633 do {
1634 v->v_startup_lines = 13.0;
1635 do {
1636 v->planes_with_room_to_increase_vstartup_prefetch_bw_less_than_active_bw = dcn_bw_yes;
1637 v->planes_with_room_to_increase_vstartup_vratio_prefetch_more_than4 = dcn_bw_no;
1638 v->planes_with_room_to_increase_vstartup_destination_line_times_for_prefetch_less_than2 = dcn_bw_no;
1639 v->v_ratio_prefetch_more_than4 = dcn_bw_no;
1640 v->destination_line_times_for_prefetch_less_than2 = dcn_bw_no;
1641 v->prefetch_mode = v->next_prefetch_mode;
1642 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1643 v->dstx_after_scaler = 90.0 * v->pixel_clock[k] / v->dppclk + 42.0 * v->pixel_clock[k] / v->dispclk;
1644 if (v->dpp_per_plane[k] > 1.0) {
1645 v->dstx_after_scaler = v->dstx_after_scaler + v->scaler_rec_out_width[k] / 2.0;
1646 }
1647 if (v->output_format[k] == dcn_bw_420) {
1648 v->dsty_after_scaler = 1.0;
1649 }
1650 else {
1651 v->dsty_after_scaler = 0.0;
1652 }
1653 v->v_update_offset_pix[k] = dcn_bw_ceil2(v->htotal[k] / 4.0, 1.0);
1654 v->total_repeater_delay_time = v->max_inter_dcn_tile_repeaters * (2.0 / v->dppclk + 3.0 / v->dispclk);
1655 v->v_update_width_pix[k] = (14.0 / v->dcf_clk_deep_sleep + 12.0 / v->dppclk + v->total_repeater_delay_time) * v->pixel_clock[k];
1656 v->v_ready_offset_pix[k] = 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];
1657 v->t_setup = (v->v_update_offset_pix[k] + v->v_update_width_pix[k] + v->v_ready_offset_pix[k]) / v->pixel_clock[k];
1658 v->v_startup[k] =dcn_bw_min2(v->v_startup_lines, v->max_vstartup_lines[k]);
1659 if (v->prefetch_mode == 0.0) {
1660 v->t_wait =dcn_bw_max3(v->dram_clock_change_latency + v->urgent_latency, v->sr_enter_plus_exit_time, v->urgent_latency);
1661 }
1662 else if (v->prefetch_mode == 1.0) {
1663 v->t_wait =dcn_bw_max2(v->sr_enter_plus_exit_time, v->urgent_latency);
1664 }
1665 else {
1666 v->t_wait = v->urgent_latency;
1667 }
1668 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;
1669 if (v->destination_lines_for_prefetch[k] > 0.0) {
1670 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]);
1671 }
1672 else {
1673 v->prefetch_bandwidth[k] = 999999.0;
1674 }
1675 }
1676 v->bandwidth_available_for_immediate_flip = v->return_bw;
1677 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1678 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]);
1679 }
1680 v->tot_immediate_flip_bytes = 0.0;
1681 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1682 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)) {
1683 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];
1684 }
1685 }
1686 v->max_rd_bandwidth = 0.0;
1687 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1688 if (v->pte_enable == dcn_bw_yes && v->dcc_enable[k] == dcn_bw_yes) {
1689 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)) {
1690 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);
1691 }
1692 else {
1693 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);
1694 }
1695 }
1696 else {
1697 v->time_for_fetching_meta_pte = v->htotal[k] / v->pixel_clock[k] / 4.0;
1698 }
1699 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;
1700 if ((v->pte_enable == dcn_bw_yes || v->dcc_enable[k] == dcn_bw_yes)) {
1701 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)) {
1702 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);
1703 }
1704 else {
1705 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);
1706 }
1707 }
1708 else {
1709 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);
1710 }
1711 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;
1712 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];
1713 if (v->lines_to_request_prefetch_pixel_data > 0.0) {
1714 v->v_ratio_prefetch_y[k] = v->prefetch_source_lines_y[k] / v->lines_to_request_prefetch_pixel_data;
1715 if ((v->swath_height_y[k] > 4.0)) {
1716 if (v->lines_to_request_prefetch_pixel_data > (v->v_init_pre_fill_y[k] - 3.0) / 2.0) {
1717 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));
1718 }
1719 else {
1720 v->v_ratio_prefetch_y[k] = 999999.0;
1721 }
1722 }
1723 }
1724 else {
1725 v->v_ratio_prefetch_y[k] = 999999.0;
1726 }
1727 v->v_ratio_prefetch_y[k] =dcn_bw_max2(v->v_ratio_prefetch_y[k], 1.0);
1728 if (v->lines_to_request_prefetch_pixel_data > 0.0) {
1729 v->v_ratio_prefetch_c[k] = v->prefetch_source_lines_c[k] / v->lines_to_request_prefetch_pixel_data;
1730 if ((v->swath_height_c[k] > 4.0)) {
1731 if (v->lines_to_request_prefetch_pixel_data > (v->v_init_pre_fill_c[k] - 3.0) / 2.0) {
1732 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));
1733 }
1734 else {
1735 v->v_ratio_prefetch_c[k] = 999999.0;
1736 }
1737 }
1738 }
1739 else {
1740 v->v_ratio_prefetch_c[k] = 999999.0;
1741 }
1742 v->v_ratio_prefetch_c[k] =dcn_bw_max2(v->v_ratio_prefetch_c[k], 1.0);
1743 if (v->lines_to_request_prefetch_pixel_data > 0.0) {
1744 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]);
1745 }
1746 else {
1747 v->required_prefetch_pix_data_bw = 999999.0;
1748 }
1749 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);
1750 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)) {
1751 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]));
1752 }
1753 if (v->v_ratio_prefetch_y[k] > 4.0 || v->v_ratio_prefetch_c[k] > 4.0) {
1754 v->v_ratio_prefetch_more_than4 = dcn_bw_yes;
1755 }
1756 if (v->destination_lines_for_prefetch[k] < 2.0) {
1757 v->destination_line_times_for_prefetch_less_than2 = dcn_bw_yes;
1758 }
1759 if (v->max_vstartup_lines[k] > v->v_startup_lines) {
1760 if (v->required_prefetch_pix_data_bw > (v->read_bandwidth_plane_luma[k] + v->read_bandwidth_plane_chroma[k])) {
1761 v->planes_with_room_to_increase_vstartup_prefetch_bw_less_than_active_bw = dcn_bw_no;
1762 }
1763 if (v->v_ratio_prefetch_y[k] > 4.0 || v->v_ratio_prefetch_c[k] > 4.0) {
1764 v->planes_with_room_to_increase_vstartup_vratio_prefetch_more_than4 = dcn_bw_yes;
1765 }
1766 if (v->destination_lines_for_prefetch[k] < 2.0) {
1767 v->planes_with_room_to_increase_vstartup_destination_line_times_for_prefetch_less_than2 = dcn_bw_yes;
1768 }
1769 }
1770 }
1771 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) {
1772 v->prefetch_mode_supported = dcn_bw_yes;
1773 }
1774 else {
1775 v->prefetch_mode_supported = dcn_bw_no;
1776 }
1777 v->v_startup_lines = v->v_startup_lines + 1.0;
1778 } 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)));
1779 v->next_prefetch_mode = v->next_prefetch_mode + 1.0;
1780 } while (!(v->prefetch_mode_supported == dcn_bw_yes || v->prefetch_mode == 2.0));
1781 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1782 if (v->v_ratio_prefetch_y[k] <= 1.0) {
1783 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];
1784 }
1785 else {
1786 v->display_pipe_line_delivery_time_luma_prefetch[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1787 }
1788 if (v->byte_per_pixel_detc[k] == 0.0) {
1789 v->display_pipe_line_delivery_time_chroma_prefetch[k] = 0.0;
1790 }
1791 else {
1792 if (v->v_ratio_prefetch_c[k] <= 1.0) {
1793 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];
1794 }
1795 else {
1796 v->display_pipe_line_delivery_time_chroma_prefetch[k] = v->swath_width_y[k] / v->pscl_throughput[k] / v->dppclk;
1797 }
1798 }
1799 }
1800
1801
1802 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1803 if (v->prefetch_mode == 0.0) {
1804 v->allow_dram_clock_change_during_vblank[k] = dcn_bw_yes;
1805 v->allow_dram_self_refresh_during_vblank[k] = dcn_bw_yes;
1806 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);
1807 }
1808 else if (v->prefetch_mode == 1.0) {
1809 v->allow_dram_clock_change_during_vblank[k] = dcn_bw_no;
1810 v->allow_dram_self_refresh_during_vblank[k] = dcn_bw_yes;
1811 v->min_ttuv_blank[k] = v->t_calc +dcn_bw_max2(v->stutter_enter_plus_exit_watermark, v->urgent_watermark);
1812 }
1813 else {
1814 v->allow_dram_clock_change_during_vblank[k] = dcn_bw_no;
1815 v->allow_dram_self_refresh_during_vblank[k] = dcn_bw_no;
1816 v->min_ttuv_blank[k] = v->t_calc + v->urgent_watermark;
1817 }
1818 }
1819
1820
1821 v->active_dp_ps = 0.0;
1822 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1823 v->active_dp_ps = v->active_dp_ps + v->dpp_per_plane[k];
1824 }
1825 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1826 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);
1827 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);
1828 v->effective_lb_latency_hiding_y = v->lb_latency_hiding_source_lines_y / v->v_ratio[k] * (v->htotal[k] / v->pixel_clock[k]);
1829 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]);
1830 if (v->swath_width_y[k] > 2.0 * v->dpp_output_buffer_pixels) {
1831 v->dpp_output_buffer_lines_y = v->dpp_output_buffer_pixels / v->swath_width_y[k];
1832 }
1833 else if (v->swath_width_y[k] > v->dpp_output_buffer_pixels) {
1834 v->dpp_output_buffer_lines_y = 0.5;
1835 }
1836 else {
1837 v->dpp_output_buffer_lines_y = 1.0;
1838 }
1839 if (v->swath_width_y[k] / 2.0 > 2.0 * v->dpp_output_buffer_pixels) {
1840 v->dpp_output_buffer_lines_c = v->dpp_output_buffer_pixels / (v->swath_width_y[k] / 2.0);
1841 }
1842 else if (v->swath_width_y[k] / 2.0 > v->dpp_output_buffer_pixels) {
1843 v->dpp_output_buffer_lines_c = 0.5;
1844 }
1845 else {
1846 v->dpp_output_buffer_lines_c = 1.0;
1847 }
1848 v->dppopp_buffering_y = (v->htotal[k] / v->pixel_clock[k]) * (v->dpp_output_buffer_lines_y + v->opp_output_buffer_lines);
1849 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]);
1850 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;
1851 if (v->active_dp_ps > 1.0) {
1852 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]);
1853 }
1854 if (v->byte_per_pixel_detc[k] > 0.0) {
1855 v->dppopp_buffering_c = (v->htotal[k] / v->pixel_clock[k]) * (v->dpp_output_buffer_lines_c + v->opp_output_buffer_lines);
1856 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]);
1857 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;
1858 if (v->active_dp_ps > 1.0) {
1859 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]);
1860 }
1861 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);
1862 }
1863 else {
1864 v->active_dram_clock_change_latency_margin[k] = v->active_dram_clock_change_latency_margin_y;
1865 }
1866 if (v->output_format[k] == dcn_bw_444) {
1867 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;
1868 }
1869 else {
1870 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;
1871 }
1872 if (v->output[k] == dcn_bw_writeback) {
1873 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);
1874 }
1875 }
1876 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1877 if (v->allow_dram_clock_change_during_vblank[k] == dcn_bw_yes) {
1878 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);
1879 }
1880 else {
1881 v->v_blank_dram_clock_change_latency_margin[k] = 0.0;
1882 }
1883 }
1884 v->min_active_dram_clock_change_margin = 999999.0;
1885 v->v_blank_of_min_active_dram_clock_change_margin = 999999.0;
1886 v->second_min_active_dram_clock_change_margin = 999999.0;
1887 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1888 if (v->active_dram_clock_change_latency_margin[k] < v->min_active_dram_clock_change_margin) {
1889 v->second_min_active_dram_clock_change_margin = v->min_active_dram_clock_change_margin;
1890 v->min_active_dram_clock_change_margin = v->active_dram_clock_change_latency_margin[k];
1891 v->v_blank_of_min_active_dram_clock_change_margin = v->v_blank_dram_clock_change_latency_margin[k];
1892 }
1893 else if (v->active_dram_clock_change_latency_margin[k] < v->second_min_active_dram_clock_change_margin) {
1894 v->second_min_active_dram_clock_change_margin = v->active_dram_clock_change_latency_margin[k];
1895 }
1896 }
1897 v->min_vblank_dram_clock_change_margin = 999999.0;
1898 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1899 if (v->min_vblank_dram_clock_change_margin > v->v_blank_dram_clock_change_latency_margin[k]) {
1900 v->min_vblank_dram_clock_change_margin = v->v_blank_dram_clock_change_latency_margin[k];
1901 }
1902 }
1903 if (v->synchronized_vblank == dcn_bw_yes || v->number_of_active_planes == 1) {
1904 v->dram_clock_change_margin =dcn_bw_max2(v->min_active_dram_clock_change_margin, v->min_vblank_dram_clock_change_margin);
1905 }
1906 else if (v->v_blank_of_min_active_dram_clock_change_margin > v->min_active_dram_clock_change_margin) {
1907 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);
1908 }
1909 else {
1910 v->dram_clock_change_margin = v->min_active_dram_clock_change_margin;
1911 }
1912 if (v->min_active_dram_clock_change_margin > 0.0) {
1913 v->dram_clock_change_support = dcn_bw_supported_in_v_active;
1914 }
1915 else if (v->dram_clock_change_margin > 0.0) {
1916 v->dram_clock_change_support = dcn_bw_supported_in_v_blank;
1917 }
1918 else {
1919 v->dram_clock_change_support = dcn_bw_not_supported;
1920 }
1921
1922
1923 v->wr_bandwidth = 0.0;
1924 for (k = 0; k <= v->number_of_active_planes - 1; k++) {
1925 if (v->output[k] == dcn_bw_writeback && v->output_format[k] == dcn_bw_444) {
1926 v->wr_bandwidth = v->wr_bandwidth + v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 4.0;
1927 }
1928 else if (v->output[k] == dcn_bw_writeback) {
1929 v->wr_bandwidth = v->wr_bandwidth + v->scaler_rec_out_width[k] / (v->htotal[k] / v->pixel_clock[k]) * 1.5;
1930 }
1931 }
1932 v->max_used_bw = v->max_rd_bandwidth + v->wr_bandwidth;
1933 }