1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright 2023 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: AMD
24  *
25  */
26 #include "resource.h"
27 #include "dcn35_fpu.h"
28 #include "dcn31/dcn31_resource.h"
29 #include "dcn32/dcn32_resource.h"
30 #include "dcn35/dcn35_resource.h"
31 #include "dml/dcn31/dcn31_fpu.h"
32 #include "dml/dml_inline_defs.h"
33 
34 #include "link.h"
35 
36 #define DC_LOGGER_INIT(logger)
37 
38 struct _vcs_dpi_ip_params_st dcn3_5_ip = {
39 	.VBlankNomDefaultUS = 668,
40 	.gpuvm_enable = 1,
41 	.gpuvm_max_page_table_levels = 1,
42 	.hostvm_enable = 1,
43 	.hostvm_max_page_table_levels = 2,
44 	.rob_buffer_size_kbytes = 64,
45 	.det_buffer_size_kbytes = 1536,
46 	.config_return_buffer_size_in_kbytes = 1792,
47 	.compressed_buffer_segment_size_in_kbytes = 64,
48 	.meta_fifo_size_in_kentries = 32,
49 	.zero_size_buffer_entries = 512,
50 	.compbuf_reserved_space_64b = 256,
51 	.compbuf_reserved_space_zs = 64,
52 	.dpp_output_buffer_pixels = 2560,/*not used*/
53 	.opp_output_buffer_lines = 1,/*not used*/
54 	.pixel_chunk_size_kbytes = 8,
55 	//.alpha_pixel_chunk_size_kbytes = 4;/*new*/
56 	//.min_pixel_chunk_size_bytes = 1024;/*new*/
57 	.meta_chunk_size_kbytes = 2,
58 	.min_meta_chunk_size_bytes = 256,
59 	.writeback_chunk_size_kbytes = 8,
60 	.ptoi_supported = false,
61 	.num_dsc = 4,
62 	.maximum_dsc_bits_per_component = 12,/*delta from 10*/
63 	.dsc422_native_support = true,/*delta from false*/
64 	.is_line_buffer_bpp_fixed = true,/*new*/
65 	.line_buffer_fixed_bpp = 32,/*delta from 48*/
66 	.line_buffer_size_bits = 986880,/*delta from 789504*/
67 	.max_line_buffer_lines = 32,/*delta from 12*/
68 	.writeback_interface_buffer_size_kbytes = 90,
69 	.max_num_dpp = 4,
70 	.max_num_otg = 4,
71 	.max_num_hdmi_frl_outputs = 1,
72 	.max_num_wb = 1,
73 	/*.max_num_hdmi_frl_outputs = 1; new in dml2*/
74 	/*.max_num_dp2p0_outputs = 2; new in dml2*/
75 	/*.max_num_dp2p0_streams = 4; new in dml2*/
76 	.max_dchub_pscl_bw_pix_per_clk = 4,
77 	.max_pscl_lb_bw_pix_per_clk = 2,
78 	.max_lb_vscl_bw_pix_per_clk = 4,
79 	.max_vscl_hscl_bw_pix_per_clk = 4,
80 	.max_hscl_ratio = 6,
81 	.max_vscl_ratio = 6,
82 	.max_hscl_taps = 8,
83 	.max_vscl_taps = 8,
84 	.dpte_buffer_size_in_pte_reqs_luma = 68,/*changed from 64,*/
85 	.dpte_buffer_size_in_pte_reqs_chroma = 36,/*changed from 34*/
86 	/*.dcc_meta_buffer_size_bytes = 6272; new to dml2*/
87 	.dispclk_ramp_margin_percent = 1.11,/*delta from 1*/
88 	/*.dppclk_delay_subtotal = 47;
89 	.dppclk_delay_scl = 50;
90 	.dppclk_delay_scl_lb_only = 16;
91 	.dppclk_delay_cnvc_formatter = 28;
92 	.dppclk_delay_cnvc_cursor = 6;
93 	.dispclk_delay_subtotal = 125;*/ /*new to dml2*/
94 	.max_inter_dcn_tile_repeaters = 8,
95 	.cursor_buffer_size = 16,
96 	.cursor_chunk_size = 2,
97 	.writeback_line_buffer_buffer_size = 0,
98 	.writeback_min_hscl_ratio = 1,
99 	.writeback_min_vscl_ratio = 1,
100 	.writeback_max_hscl_ratio = 1,
101 	.writeback_max_vscl_ratio = 1,
102 	.writeback_max_hscl_taps = 1,
103 	.writeback_max_vscl_taps = 1,
104 	.dppclk_delay_subtotal = 47, /* changed from 46,*/
105 	.dppclk_delay_scl = 50,
106 	.dppclk_delay_scl_lb_only = 16,
107 	.dppclk_delay_cnvc_formatter = 28,/*changed from 27,*/
108 	.dppclk_delay_cnvc_cursor = 6,
109 	.dispclk_delay_subtotal = 125, /*changed from 119,*/
110 	.dynamic_metadata_vm_enabled = false,
111 	.odm_combine_4to1_supported = false,
112 	.dcc_supported = true,
113 //	.config_return_buffer_segment_size_in_kbytes = 64;/*required, hard coded in dml2_translate_ip_params*/
114 
115 };
116 
117 struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = {
118 		/*TODO: correct dispclk/dppclk voltage level determination*/
119 	.clock_limits = {
120 		{
121 			.state = 0,
122 			.dispclk_mhz = 1200.0,
123 			.dppclk_mhz = 1200.0,
124 			.phyclk_mhz = 600.0,
125 			.phyclk_d18_mhz = 667.0,
126 			.dscclk_mhz = 186.0,
127 			.dtbclk_mhz = 600.0,
128 		},
129 		{
130 			.state = 1,
131 			.dispclk_mhz = 1200.0,
132 			.dppclk_mhz = 1200.0,
133 			.phyclk_mhz = 810.0,
134 			.phyclk_d18_mhz = 667.0,
135 			.dscclk_mhz = 209.0,
136 			.dtbclk_mhz = 600.0,
137 		},
138 		{
139 			.state = 2,
140 			.dispclk_mhz = 1200.0,
141 			.dppclk_mhz = 1200.0,
142 			.phyclk_mhz = 810.0,
143 			.phyclk_d18_mhz = 667.0,
144 			.dscclk_mhz = 209.0,
145 			.dtbclk_mhz = 600.0,
146 		},
147 		{
148 			.state = 3,
149 			.dispclk_mhz = 1200.0,
150 			.dppclk_mhz = 1200.0,
151 			.phyclk_mhz = 810.0,
152 			.phyclk_d18_mhz = 667.0,
153 			.dscclk_mhz = 371.0,
154 			.dtbclk_mhz = 600.0,
155 		},
156 		{
157 			.state = 4,
158 			.dispclk_mhz = 1200.0,
159 			.dppclk_mhz = 1200.0,
160 			.phyclk_mhz = 810.0,
161 			.phyclk_d18_mhz = 667.0,
162 			.dscclk_mhz = 417.0,
163 			.dtbclk_mhz = 600.0,
164 		},
165 	},
166 	.num_states = 5,
167 	.sr_exit_time_us = 28.0,
168 	.sr_enter_plus_exit_time_us = 30.0,
169 	.sr_exit_z8_time_us = 210.0,
170 	.sr_enter_plus_exit_z8_time_us = 320.0,
171 	.fclk_change_latency_us = 24.0,
172 	.usr_retraining_latency_us = 2,
173 	.writeback_latency_us = 12.0,
174 
175 	.dram_channel_width_bytes = 4,/*not exist in dml2*/
176 	.round_trip_ping_latency_dcfclk_cycles = 106,/*not exist in dml2*/
177 	.urgent_latency_pixel_data_only_us = 4.0,
178 	.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
179 	.urgent_latency_vm_data_only_us = 4.0,
180 	.dram_clock_change_latency_us = 11.72,
181 	.urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
182 	.urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
183 	.urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,
184 
185 	.pct_ideal_sdp_bw_after_urgent = 80.0,
186 	.pct_ideal_fabric_bw_after_urgent = 80.0, /*new to dml2*/
187 	.pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 65.0,
188 	.pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0,
189 	.pct_ideal_dram_sdp_bw_after_urgent_vm_only = 30.0,
190 	.max_avg_sdp_bw_use_normal_percent = 60.0,
191 	.max_avg_dram_bw_use_normal_percent = 60.0,
192 	.fabric_datapath_to_dcn_data_return_bytes = 32,
193 	.return_bus_width_bytes = 64,
194 	.downspread_percent = 0.38,
195 	.dcn_downspread_percent = 0.5,
196 	.gpuvm_min_page_size_bytes = 4096,
197 	.hostvm_min_page_size_bytes = 4096,
198 	.do_urgent_latency_adjustment = 0,
199 	.urgent_latency_adjustment_fabric_clock_component_us = 0,
200 	.urgent_latency_adjustment_fabric_clock_reference_mhz = 0,
201 };
202 
203 void dcn35_build_wm_range_table_fpu(struct clk_mgr *clk_mgr)
204 {
205 	//TODO
206 }
207 
208 
209 /*
210  * dcn35_update_bw_bounding_box
211  *
212  * This would override some dcn3_5 ip_or_soc initial parameters hardcoded from
213  * spreadsheet with actual values as per dGPU SKU:
214  * - with passed few options from dc->config
215  * - with dentist_vco_frequency from Clk Mgr (currently hardcoded, but might
216  *   need to get it from PM FW)
217  * - with passed latency values (passed in ns units) in dc-> bb override for
218  *   debugging purposes
219  * - with passed latencies from VBIOS (in 100_ns units) if available for
220  *   certain dGPU SKU
221  * - with number of DRAM channels from VBIOS (which differ for certain dGPU SKU
222  *   of the same ASIC)
223  * - clocks levels with passed clk_table entries from Clk Mgr as reported by PM
224  *   FW for different clocks (which might differ for certain dGPU SKU of the
225  *   same ASIC)
226  */
227 void dcn35_update_bw_bounding_box_fpu(struct dc *dc,
228 				      struct clk_bw_params *bw_params)
229 {
230 	unsigned int i, closest_clk_lvl;
231 	int j;
232 	struct clk_limit_table *clk_table = &bw_params->clk_table;
233 	struct _vcs_dpi_voltage_scaling_st *clock_limits =
234 		dc->scratch.update_bw_bounding_box.clock_limits;
235 	int max_dispclk_mhz = 0, max_dppclk_mhz = 0;
236 
237 	dc_assert_fp_enabled();
238 
239 	dcn3_5_ip.max_num_otg =
240 		dc->res_pool->res_cap->num_timing_generator;
241 	dcn3_5_ip.max_num_dpp = dc->res_pool->pipe_count;
242 	dcn3_5_soc.num_chans = bw_params->num_channels;
243 
244 	ASSERT(clk_table->num_entries);
245 
246 	/* Prepass to find max clocks independent of voltage level. */
247 	for (i = 0; i < clk_table->num_entries; ++i) {
248 		if (clk_table->entries[i].dispclk_mhz > max_dispclk_mhz)
249 			max_dispclk_mhz = clk_table->entries[i].dispclk_mhz;
250 		if (clk_table->entries[i].dppclk_mhz > max_dppclk_mhz)
251 			max_dppclk_mhz = clk_table->entries[i].dppclk_mhz;
252 	}
253 
254 	for (i = 0; i < clk_table->num_entries; i++) {
255 		/* loop backwards*/
256 		for (closest_clk_lvl = 0, j = dcn3_5_soc.num_states - 1;
257 			j >= 0; j--) {
258 			if (dcn3_5_soc.clock_limits[j].dcfclk_mhz <=
259 				clk_table->entries[i].dcfclk_mhz) {
260 				closest_clk_lvl = j;
261 				break;
262 			}
263 		}
264 		if (clk_table->num_entries == 1) {
265 			/*smu gives one DPM level, let's take the highest one*/
266 			closest_clk_lvl = dcn3_5_soc.num_states - 1;
267 		}
268 
269 		clock_limits[i].state = i;
270 
271 		/* Clocks dependent on voltage level. */
272 		clock_limits[i].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz;
273 		if (clk_table->num_entries == 1 &&
274 			clock_limits[i].dcfclk_mhz <
275 			dcn3_5_soc.clock_limits[closest_clk_lvl].dcfclk_mhz) {
276 			/*SMU fix not released yet*/
277 			clock_limits[i].dcfclk_mhz =
278 				dcn3_5_soc.clock_limits[closest_clk_lvl].dcfclk_mhz;
279 		}
280 
281 		clock_limits[i].fabricclk_mhz =
282 			clk_table->entries[i].fclk_mhz;
283 		clock_limits[i].socclk_mhz =
284 			clk_table->entries[i].socclk_mhz;
285 
286 		if (clk_table->entries[i].memclk_mhz &&
287 			clk_table->entries[i].wck_ratio)
288 			clock_limits[i].dram_speed_mts =
289 				clk_table->entries[i].memclk_mhz * 2 *
290 				clk_table->entries[i].wck_ratio;
291 
292 		/* Clocks independent of voltage level. */
293 		clock_limits[i].dispclk_mhz = max_dispclk_mhz ?
294 			max_dispclk_mhz :
295 			dcn3_5_soc.clock_limits[closest_clk_lvl].dispclk_mhz;
296 
297 		clock_limits[i].dppclk_mhz = max_dppclk_mhz ?
298 			max_dppclk_mhz :
299 			dcn3_5_soc.clock_limits[closest_clk_lvl].dppclk_mhz;
300 
301 		clock_limits[i].dram_bw_per_chan_gbps =
302 			dcn3_5_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps;
303 		clock_limits[i].dscclk_mhz =
304 			dcn3_5_soc.clock_limits[closest_clk_lvl].dscclk_mhz;
305 		clock_limits[i].dtbclk_mhz =
306 			dcn3_5_soc.clock_limits[closest_clk_lvl].dtbclk_mhz;
307 		clock_limits[i].phyclk_d18_mhz =
308 			dcn3_5_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz;
309 		clock_limits[i].phyclk_mhz =
310 			dcn3_5_soc.clock_limits[closest_clk_lvl].phyclk_mhz;
311 	}
312 
313 	memcpy(dcn3_5_soc.clock_limits, clock_limits,
314 		sizeof(dcn3_5_soc.clock_limits));
315 
316 	if (clk_table->num_entries)
317 		dcn3_5_soc.num_states = clk_table->num_entries;
318 
319 	if (max_dispclk_mhz) {
320 		dcn3_5_soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2;
321 		dc->dml.soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2;
322 	}
323 	if ((int)(dcn3_5_soc.dram_clock_change_latency_us * 1000)
324 				!= dc->debug.dram_clock_change_latency_ns
325 			&& dc->debug.dram_clock_change_latency_ns) {
326 		dcn3_5_soc.dram_clock_change_latency_us =
327 			dc->debug.dram_clock_change_latency_ns / 1000.0;
328 	}
329 
330 	if (dc->bb_overrides.dram_clock_change_latency_ns > 0)
331 		dcn3_5_soc.dram_clock_change_latency_us =
332 			dc->bb_overrides.dram_clock_change_latency_ns / 1000.0;
333 
334 	if (dc->bb_overrides.sr_exit_time_ns > 0)
335 		dcn3_5_soc.sr_exit_time_us = dc->bb_overrides.sr_exit_time_ns / 1000.0;
336 
337 	if (dc->bb_overrides.sr_enter_plus_exit_time_ns > 0)
338 		dcn3_5_soc.sr_enter_plus_exit_time_us =
339 			dc->bb_overrides.sr_enter_plus_exit_time_ns / 1000.0;
340 
341 	if (dc->bb_overrides.sr_exit_z8_time_ns > 0)
342 		dcn3_5_soc.sr_exit_z8_time_us = dc->bb_overrides.sr_exit_z8_time_ns / 1000.0;
343 
344 	if (dc->bb_overrides.sr_enter_plus_exit_z8_time_ns > 0)
345 		dcn3_5_soc.sr_enter_plus_exit_z8_time_us =
346 			dc->bb_overrides.sr_enter_plus_exit_z8_time_ns / 1000.0;
347 
348 	/*temp till dml2 fully work without dml1*/
349 	dml_init_instance(&dc->dml, &dcn3_5_soc, &dcn3_5_ip,
350 				DML_PROJECT_DCN31);
351 
352 	/*copy to dml2, before dml2_create*/
353 	if (clk_table->num_entries > 2) {
354 
355 		for (i = 0; i < clk_table->num_entries; i++) {
356 			dc->dml2_options.bbox_overrides.clks_table.num_states =
357 				clk_table->num_entries;
358 			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dcfclk_mhz =
359 				clock_limits[i].dcfclk_mhz;
360 			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].fclk_mhz =
361 				clock_limits[i].fabricclk_mhz;
362 			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dispclk_mhz =
363 				clock_limits[i].dispclk_mhz;
364 			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dppclk_mhz =
365 				clock_limits[i].dppclk_mhz;
366 			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].socclk_mhz =
367 				clock_limits[i].socclk_mhz;
368 			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].memclk_mhz =
369 				clk_table->entries[i].memclk_mhz * clk_table->entries[i].wck_ratio;
370 			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dtbclk_mhz =
371 				clock_limits[i].dtbclk_mhz;
372 			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dcfclk_levels =
373 				clk_table->num_entries;
374 			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_fclk_levels =
375 				clk_table->num_entries;
376 			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dispclk_levels =
377 				clk_table->num_entries;
378 			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dppclk_levels =
379 				clk_table->num_entries;
380 			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_socclk_levels =
381 				clk_table->num_entries;
382 			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_memclk_levels =
383 				clk_table->num_entries;
384 			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dtbclk_levels =
385 				clk_table->num_entries;
386 		}
387 	}
388 
389 	/* Update latency values */
390 	dc->dml2_options.bbox_overrides.dram_clock_change_latency_us = dcn3_5_soc.dram_clock_change_latency_us;
391 
392 	dc->dml2_options.bbox_overrides.sr_exit_latency_us = dcn3_5_soc.sr_exit_time_us;
393 	dc->dml2_options.bbox_overrides.sr_enter_plus_exit_latency_us = dcn3_5_soc.sr_enter_plus_exit_time_us;
394 
395 	dc->dml2_options.bbox_overrides.sr_exit_z8_time_us = dcn3_5_soc.sr_exit_z8_time_us;
396 	dc->dml2_options.bbox_overrides.sr_enter_plus_exit_z8_time_us = dcn3_5_soc.sr_enter_plus_exit_z8_time_us;
397 }
398 
399 static bool is_dual_plane(enum surface_pixel_format format)
400 {
401 	return format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN ||
402 		format == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA;
403 }
404 
405 /*
406  * micro_sec_to_vert_lines () - converts time to number of vertical lines for a given timing
407  *
408  * @param: num_us: number of microseconds
409  * @return: number of vertical lines. If exact number of vertical lines is not found then
410  *          it will round up to next number of lines to guarantee num_us
411  */
412 static unsigned int micro_sec_to_vert_lines(unsigned int num_us, struct dc_crtc_timing *timing)
413 {
414 	unsigned int num_lines = 0;
415 	unsigned int lines_time_in_ns = 1000.0 *
416 			(((float)timing->h_total * 1000.0) /
417 			 ((float)timing->pix_clk_100hz / 10.0));
418 
419 	num_lines = dml_ceil(1000.0 * num_us / lines_time_in_ns, 1.0);
420 
421 	return num_lines;
422 }
423 
424 static unsigned int get_vertical_back_porch(struct dc_crtc_timing *timing)
425 {
426 	unsigned int v_active = 0, v_blank = 0, v_back_porch = 0;
427 
428 	v_active = timing->v_border_top + timing->v_addressable + timing->v_border_bottom;
429 	v_blank = timing->v_total - v_active;
430 	v_back_porch = v_blank - timing->v_front_porch - timing->v_sync_width;
431 
432 	return v_back_porch;
433 }
434 
435 int dcn35_populate_dml_pipes_from_context_fpu(struct dc *dc,
436 					      struct dc_state *context,
437 					      display_e2e_pipe_params_st *pipes,
438 					      bool fast_validate)
439 {
440 	int i, pipe_cnt;
441 	struct resource_context *res_ctx = &context->res_ctx;
442 	struct pipe_ctx *pipe;
443 	bool upscaled = false;
444 	const unsigned int max_allowed_vblank_nom = 1023;
445 
446 	dcn31_populate_dml_pipes_from_context(dc, context, pipes,
447 					      fast_validate);
448 
449 	for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
450 		struct dc_crtc_timing *timing;
451 		unsigned int num_lines = 0;
452 		unsigned int v_back_porch = 0;
453 
454 		if (!res_ctx->pipe_ctx[i].stream)
455 			continue;
456 
457 		pipe = &res_ctx->pipe_ctx[i];
458 		timing = &pipe->stream->timing;
459 
460 		num_lines = micro_sec_to_vert_lines(dcn3_5_ip.VBlankNomDefaultUS, timing);
461 		v_back_porch  = get_vertical_back_porch(timing);
462 
463 		if (pipe->stream->adjust.v_total_max ==
464 		    pipe->stream->adjust.v_total_min &&
465 		    pipe->stream->adjust.v_total_min > timing->v_total) {
466 			pipes[pipe_cnt].pipe.dest.vtotal =
467 				pipe->stream->adjust.v_total_min;
468 			pipes[pipe_cnt].pipe.dest.vblank_nom = timing->v_total -
469 				pipes[pipe_cnt].pipe.dest.vactive;
470 		}
471 
472 		pipes[pipe_cnt].pipe.dest.vblank_nom = timing->v_total - pipes[pipe_cnt].pipe.dest.vactive;
473 		pipes[pipe_cnt].pipe.dest.vblank_nom = min(pipes[pipe_cnt].pipe.dest.vblank_nom, num_lines);
474 		// vblank_nom should not smaller than (VSync (timing->v_sync_width + v_back_porch) + 2)
475 		// + 2 is because
476 		// 1 -> VStartup_start should be 1 line before VSync
477 		// 1 -> always reserve 1 line between start of vblank to vstartup signal
478 		pipes[pipe_cnt].pipe.dest.vblank_nom =
479 			max(pipes[pipe_cnt].pipe.dest.vblank_nom, timing->v_sync_width + v_back_porch + 2);
480 		pipes[pipe_cnt].pipe.dest.vblank_nom = min(pipes[pipe_cnt].pipe.dest.vblank_nom, max_allowed_vblank_nom);
481 
482 		if (pipe->plane_state &&
483 		    (pipe->plane_state->src_rect.height <
484 		     pipe->plane_state->dst_rect.height ||
485 		     pipe->plane_state->src_rect.width <
486 		     pipe->plane_state->dst_rect.width))
487 			upscaled = true;
488 
489 		/*
490 		 * Immediate flip can be set dynamically after enabling the
491 		 * plane. We need to require support for immediate flip or
492 		 * underflow can be intermittently experienced depending on peak
493 		 * b/w requirements.
494 		 */
495 		pipes[pipe_cnt].pipe.src.immediate_flip = true;
496 
497 		pipes[pipe_cnt].pipe.src.unbounded_req_mode = false;
498 
499 		DC_FP_START();
500 		dcn31_zero_pipe_dcc_fraction(pipes, pipe_cnt);
501 		DC_FP_END();
502 
503 		pipes[pipe_cnt].pipe.dest.vfront_porch = timing->v_front_porch;
504 		pipes[pipe_cnt].pipe.src.dcc_rate = 3;
505 		pipes[pipe_cnt].dout.dsc_input_bpc = 0;
506 		pipes[pipe_cnt].pipe.src.gpuvm_min_page_size_kbytes = 256;
507 
508 		if (pipes[pipe_cnt].dout.dsc_enable) {
509 			switch (timing->display_color_depth) {
510 			case COLOR_DEPTH_888:
511 				pipes[pipe_cnt].dout.dsc_input_bpc = 8;
512 				break;
513 			case COLOR_DEPTH_101010:
514 				pipes[pipe_cnt].dout.dsc_input_bpc = 10;
515 				break;
516 			case COLOR_DEPTH_121212:
517 				pipes[pipe_cnt].dout.dsc_input_bpc = 12;
518 				break;
519 			default:
520 				ASSERT(0);
521 				break;
522 			}
523 		}
524 
525 		pipe_cnt++;
526 	}
527 
528 	context->bw_ctx.dml.ip.det_buffer_size_kbytes = 384;/*per guide*/
529 	dc->config.enable_4to1MPC = false;
530 
531 	if (pipe_cnt == 1 && pipe->plane_state && !dc->debug.disable_z9_mpc) {
532 		if (is_dual_plane(pipe->plane_state->format)
533 				&& pipe->plane_state->src_rect.width <= 1920 &&
534 				pipe->plane_state->src_rect.height <= 1080) {
535 			dc->config.enable_4to1MPC = true;
536 		} else if (!is_dual_plane(pipe->plane_state->format) &&
537 			   pipe->plane_state->src_rect.width <= 5120) {
538 			/*
539 			 * Limit to 5k max to avoid forced pipe split when there
540 			 * is not enough detile for swath
541 			 */
542 			context->bw_ctx.dml.ip.det_buffer_size_kbytes = 192;
543 			pipes[0].pipe.src.unbounded_req_mode = true;
544 		}
545 	} else if (context->stream_count >=
546 		   dc->debug.crb_alloc_policy_min_disp_count &&
547 		   dc->debug.crb_alloc_policy > DET_SIZE_DEFAULT) {
548 		context->bw_ctx.dml.ip.det_buffer_size_kbytes =
549 			dc->debug.crb_alloc_policy * 64;
550 	} else if (context->stream_count >= 3 && upscaled) {
551 		context->bw_ctx.dml.ip.det_buffer_size_kbytes = 192;
552 	}
553 
554 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
555 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
556 
557 		if (!pipe->stream)
558 			continue;
559 
560 		if (pipe->stream->signal == SIGNAL_TYPE_EDP &&
561 		    dc->debug.seamless_boot_odm_combine &&
562 		    pipe->stream->apply_seamless_boot_optimization) {
563 
564 			if (pipe->stream->apply_boot_odm_mode ==
565 			    dm_odm_combine_policy_2to1) {
566 				context->bw_ctx.dml.vba.ODMCombinePolicy =
567 					dm_odm_combine_policy_2to1;
568 				break;
569 			}
570 		}
571 	}
572 
573 	return pipe_cnt;
574 }
575 
576 void dcn35_decide_zstate_support(struct dc *dc, struct dc_state *context)
577 {
578 	enum dcn_zstate_support_state support = DCN_ZSTATE_SUPPORT_DISALLOW;
579 	unsigned int i, plane_count = 0;
580 
581 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
582 		if (context->res_ctx.pipe_ctx[i].plane_state)
583 			plane_count++;
584 	}
585 
586 	if (plane_count == 0) {
587 		support = DCN_ZSTATE_SUPPORT_ALLOW;
588 	} else if (plane_count == 1 && context->stream_count == 1 && context->streams[0]->signal == SIGNAL_TYPE_EDP) {
589 		struct dc_link *link = context->streams[0]->sink->link;
590 		bool is_pwrseq0 = link && link->link_index == 0;
591 		bool is_psr1 = link && link->psr_settings.psr_version == DC_PSR_VERSION_1 && !link->panel_config.psr.disable_psr;
592 		int minmum_z8_residency =
593 			dc->debug.minimum_z8_residency_time > 0 ? dc->debug.minimum_z8_residency_time : 1000;
594 		bool allow_z8 = context->bw_ctx.dml.vba.StutterPeriod > (double)minmum_z8_residency;
595 		int minmum_z10_residency =
596 			dc->debug.minimum_z10_residency_time > 0 ? dc->debug.minimum_z10_residency_time : 5000;
597 		bool allow_z10 = context->bw_ctx.dml.vba.StutterPeriod > (double)minmum_z10_residency;
598 
599 		if (is_pwrseq0 && allow_z10)
600 			support = DCN_ZSTATE_SUPPORT_ALLOW;
601 		else if (is_pwrseq0 && is_psr1)
602 			support = allow_z8 ? DCN_ZSTATE_SUPPORT_ALLOW_Z8_Z10_ONLY : DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY;
603 		else if (allow_z8)
604 			support = DCN_ZSTATE_SUPPORT_ALLOW_Z8_ONLY;
605 	}
606 
607 	context->bw_ctx.bw.dcn.clk.zstate_support = support;
608 }
609