1 /*
2 * Copyright 2016 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #include <linux/slab.h>
27 
28 #include "dm_services.h"
29 #include "dc.h"
30 
31 #include "resource.h"
32 #include "include/irq_service_interface.h"
33 #include "dcn20/dcn20_resource.h"
34 
35 #include "dcn10/dcn10_hubp.h"
36 #include "dcn10/dcn10_ipp.h"
37 #include "dcn20_hubbub.h"
38 #include "dcn20_mpc.h"
39 #include "dcn20_hubp.h"
40 #include "irq/dcn20/irq_service_dcn20.h"
41 #include "dcn20_dpp.h"
42 #include "dcn20_optc.h"
43 #include "dcn20_hwseq.h"
44 #include "dce110/dce110_hw_sequencer.h"
45 #include "dcn10/dcn10_resource.h"
46 #include "dcn20_opp.h"
47 
48 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
49 #include "dcn20_dsc.h"
50 #endif
51 
52 #include "dcn20_link_encoder.h"
53 #include "dcn20_stream_encoder.h"
54 #include "dce/dce_clock_source.h"
55 #include "dce/dce_audio.h"
56 #include "dce/dce_hwseq.h"
57 #include "virtual/virtual_stream_encoder.h"
58 #include "dce110/dce110_resource.h"
59 #include "dml/display_mode_vba.h"
60 #include "dcn20_dccg.h"
61 #include "dcn20_vmid.h"
62 
63 #include "navi10_ip_offset.h"
64 
65 #include "dcn/dcn_2_0_0_offset.h"
66 #include "dcn/dcn_2_0_0_sh_mask.h"
67 
68 #include "nbio/nbio_2_3_offset.h"
69 
70 #include "dcn20/dcn20_dwb.h"
71 #include "dcn20/dcn20_mmhubbub.h"
72 
73 #include "mmhub/mmhub_2_0_0_offset.h"
74 #include "mmhub/mmhub_2_0_0_sh_mask.h"
75 
76 #include "reg_helper.h"
77 #include "dce/dce_abm.h"
78 #include "dce/dce_dmcu.h"
79 #include "dce/dce_aux.h"
80 #include "dce/dce_i2c.h"
81 #include "vm_helper.h"
82 
83 #include "amdgpu_socbb.h"
84 
85 #define SOC_BOUNDING_BOX_VALID true
86 #define DC_LOGGER_INIT(logger)
87 
88 struct _vcs_dpi_ip_params_st dcn2_0_ip = {
89 	.odm_capable = 1,
90 	.gpuvm_enable = 0,
91 	.hostvm_enable = 0,
92 	.gpuvm_max_page_table_levels = 4,
93 	.hostvm_max_page_table_levels = 4,
94 	.hostvm_cached_page_table_levels = 0,
95 	.pte_group_size_bytes = 2048,
96 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
97 	.num_dsc = 6,
98 #else
99 	.num_dsc = 0,
100 #endif
101 	.rob_buffer_size_kbytes = 168,
102 	.det_buffer_size_kbytes = 164,
103 	.dpte_buffer_size_in_pte_reqs_luma = 84,
104 	.pde_proc_buffer_size_64k_reqs = 48,
105 	.dpp_output_buffer_pixels = 2560,
106 	.opp_output_buffer_lines = 1,
107 	.pixel_chunk_size_kbytes = 8,
108 	.pte_chunk_size_kbytes = 2,
109 	.meta_chunk_size_kbytes = 2,
110 	.writeback_chunk_size_kbytes = 2,
111 	.line_buffer_size_bits = 789504,
112 	.is_line_buffer_bpp_fixed = 0,
113 	.line_buffer_fixed_bpp = 0,
114 	.dcc_supported = true,
115 	.max_line_buffer_lines = 12,
116 	.writeback_luma_buffer_size_kbytes = 12,
117 	.writeback_chroma_buffer_size_kbytes = 8,
118 	.writeback_chroma_line_buffer_width_pixels = 4,
119 	.writeback_max_hscl_ratio = 1,
120 	.writeback_max_vscl_ratio = 1,
121 	.writeback_min_hscl_ratio = 1,
122 	.writeback_min_vscl_ratio = 1,
123 	.writeback_max_hscl_taps = 12,
124 	.writeback_max_vscl_taps = 12,
125 	.writeback_line_buffer_luma_buffer_size = 0,
126 	.writeback_line_buffer_chroma_buffer_size = 14643,
127 	.cursor_buffer_size = 8,
128 	.cursor_chunk_size = 2,
129 	.max_num_otg = 6,
130 	.max_num_dpp = 6,
131 	.max_num_wb = 1,
132 	.max_dchub_pscl_bw_pix_per_clk = 4,
133 	.max_pscl_lb_bw_pix_per_clk = 2,
134 	.max_lb_vscl_bw_pix_per_clk = 4,
135 	.max_vscl_hscl_bw_pix_per_clk = 4,
136 	.max_hscl_ratio = 8,
137 	.max_vscl_ratio = 8,
138 	.hscl_mults = 4,
139 	.vscl_mults = 4,
140 	.max_hscl_taps = 8,
141 	.max_vscl_taps = 8,
142 	.dispclk_ramp_margin_percent = 1,
143 	.underscan_factor = 1.10,
144 	.min_vblank_lines = 32, //
145 	.dppclk_delay_subtotal = 77, //
146 	.dppclk_delay_scl_lb_only = 16,
147 	.dppclk_delay_scl = 50,
148 	.dppclk_delay_cnvc_formatter = 8,
149 	.dppclk_delay_cnvc_cursor = 6,
150 	.dispclk_delay_subtotal = 87, //
151 	.dcfclk_cstate_latency = 10, // SRExitTime
152 	.max_inter_dcn_tile_repeaters = 8,
153 
154 	.xfc_supported = true,
155 	.xfc_fill_bw_overhead_percent = 10.0,
156 	.xfc_fill_constant_bytes = 0,
157 };
158 
159 struct _vcs_dpi_soc_bounding_box_st dcn2_0_soc = {
160 	/* Defaults that get patched on driver load from firmware. */
161 	.clock_limits = {
162 			{
163 				.state = 0,
164 				.dcfclk_mhz = 560.0,
165 				.fabricclk_mhz = 560.0,
166 				.dispclk_mhz = 513.0,
167 				.dppclk_mhz = 513.0,
168 				.phyclk_mhz = 540.0,
169 				.socclk_mhz = 560.0,
170 				.dscclk_mhz = 171.0,
171 				.dram_speed_mts = 8960.0,
172 			},
173 			{
174 				.state = 1,
175 				.dcfclk_mhz = 694.0,
176 				.fabricclk_mhz = 694.0,
177 				.dispclk_mhz = 642.0,
178 				.dppclk_mhz = 642.0,
179 				.phyclk_mhz = 600.0,
180 				.socclk_mhz = 694.0,
181 				.dscclk_mhz = 214.0,
182 				.dram_speed_mts = 11104.0,
183 			},
184 			{
185 				.state = 2,
186 				.dcfclk_mhz = 875.0,
187 				.fabricclk_mhz = 875.0,
188 				.dispclk_mhz = 734.0,
189 				.dppclk_mhz = 734.0,
190 				.phyclk_mhz = 810.0,
191 				.socclk_mhz = 875.0,
192 				.dscclk_mhz = 245.0,
193 				.dram_speed_mts = 14000.0,
194 			},
195 			{
196 				.state = 3,
197 				.dcfclk_mhz = 1000.0,
198 				.fabricclk_mhz = 1000.0,
199 				.dispclk_mhz = 1100.0,
200 				.dppclk_mhz = 1100.0,
201 				.phyclk_mhz = 810.0,
202 				.socclk_mhz = 1000.0,
203 				.dscclk_mhz = 367.0,
204 				.dram_speed_mts = 16000.0,
205 			},
206 			{
207 				.state = 4,
208 				.dcfclk_mhz = 1200.0,
209 				.fabricclk_mhz = 1200.0,
210 				.dispclk_mhz = 1284.0,
211 				.dppclk_mhz = 1284.0,
212 				.phyclk_mhz = 810.0,
213 				.socclk_mhz = 1200.0,
214 				.dscclk_mhz = 428.0,
215 				.dram_speed_mts = 16000.0,
216 			},
217 			/*Extra state, no dispclk ramping*/
218 			{
219 				.state = 5,
220 				.dcfclk_mhz = 1200.0,
221 				.fabricclk_mhz = 1200.0,
222 				.dispclk_mhz = 1284.0,
223 				.dppclk_mhz = 1284.0,
224 				.phyclk_mhz = 810.0,
225 				.socclk_mhz = 1200.0,
226 				.dscclk_mhz = 428.0,
227 				.dram_speed_mts = 16000.0,
228 			},
229 		},
230 	.num_states = 5,
231 	.sr_exit_time_us = 8.6,
232 	.sr_enter_plus_exit_time_us = 10.9,
233 	.urgent_latency_us = 4.0,
234 	.urgent_latency_pixel_data_only_us = 4.0,
235 	.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
236 	.urgent_latency_vm_data_only_us = 4.0,
237 	.urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
238 	.urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
239 	.urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,
240 	.pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 40.0,
241 	.pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 40.0,
242 	.pct_ideal_dram_sdp_bw_after_urgent_vm_only = 40.0,
243 	.max_avg_sdp_bw_use_normal_percent = 40.0,
244 	.max_avg_dram_bw_use_normal_percent = 40.0,
245 	.writeback_latency_us = 12.0,
246 	.ideal_dram_bw_after_urgent_percent = 40.0,
247 	.max_request_size_bytes = 256,
248 	.dram_channel_width_bytes = 2,
249 	.fabric_datapath_to_dcn_data_return_bytes = 64,
250 	.dcn_downspread_percent = 0.5,
251 	.downspread_percent = 0.38,
252 	.dram_page_open_time_ns = 50.0,
253 	.dram_rw_turnaround_time_ns = 17.5,
254 	.dram_return_buffer_per_channel_bytes = 8192,
255 	.round_trip_ping_latency_dcfclk_cycles = 131,
256 	.urgent_out_of_order_return_per_channel_bytes = 256,
257 	.channel_interleave_bytes = 256,
258 	.num_banks = 8,
259 	.num_chans = 16,
260 	.vmm_page_size_bytes = 4096,
261 	.dram_clock_change_latency_us = 404.0,
262 	.dummy_pstate_latency_us = 5.0,
263 	.writeback_dram_clock_change_latency_us = 23.0,
264 	.return_bus_width_bytes = 64,
265 	.dispclk_dppclk_vco_speed_mhz = 3850,
266 	.xfc_bus_transport_time_us = 20,
267 	.xfc_xbuf_latency_tolerance_us = 4,
268 	.use_urgent_burst_bw = 0
269 };
270 
271 
272 #ifndef mmDP0_DP_DPHY_INTERNAL_CTRL
273 	#define mmDP0_DP_DPHY_INTERNAL_CTRL		0x210f
274 	#define mmDP0_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
275 	#define mmDP1_DP_DPHY_INTERNAL_CTRL		0x220f
276 	#define mmDP1_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
277 	#define mmDP2_DP_DPHY_INTERNAL_CTRL		0x230f
278 	#define mmDP2_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
279 	#define mmDP3_DP_DPHY_INTERNAL_CTRL		0x240f
280 	#define mmDP3_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
281 	#define mmDP4_DP_DPHY_INTERNAL_CTRL		0x250f
282 	#define mmDP4_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
283 	#define mmDP5_DP_DPHY_INTERNAL_CTRL		0x260f
284 	#define mmDP5_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
285 	#define mmDP6_DP_DPHY_INTERNAL_CTRL		0x270f
286 	#define mmDP6_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
287 #endif
288 
289 
290 enum dcn20_clk_src_array_id {
291 	DCN20_CLK_SRC_PLL0,
292 	DCN20_CLK_SRC_PLL1,
293 	DCN20_CLK_SRC_PLL2,
294 	DCN20_CLK_SRC_PLL3,
295 	DCN20_CLK_SRC_PLL4,
296 	DCN20_CLK_SRC_PLL5,
297 	DCN20_CLK_SRC_TOTAL
298 };
299 
300 /* begin *********************
301  * macros to expend register list macro defined in HW object header file */
302 
303 /* DCN */
304 /* TODO awful hack. fixup dcn20_dwb.h */
305 #undef BASE_INNER
306 #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
307 
308 #define BASE(seg) BASE_INNER(seg)
309 
310 #define SR(reg_name)\
311 		.reg_name = BASE(mm ## reg_name ## _BASE_IDX) +  \
312 					mm ## reg_name
313 
314 #define SRI(reg_name, block, id)\
315 	.reg_name = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
316 					mm ## block ## id ## _ ## reg_name
317 
318 #define SRIR(var_name, reg_name, block, id)\
319 	.var_name = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
320 					mm ## block ## id ## _ ## reg_name
321 
322 #define SRII(reg_name, block, id)\
323 	.reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
324 					mm ## block ## id ## _ ## reg_name
325 
326 #define DCCG_SRII(reg_name, block, id)\
327 	.block ## _ ## reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
328 					mm ## block ## id ## _ ## reg_name
329 
330 /* NBIO */
331 #define NBIO_BASE_INNER(seg) \
332 	NBIO_BASE__INST0_SEG ## seg
333 
334 #define NBIO_BASE(seg) \
335 	NBIO_BASE_INNER(seg)
336 
337 #define NBIO_SR(reg_name)\
338 		.reg_name = NBIO_BASE(mm ## reg_name ## _BASE_IDX) + \
339 					mm ## reg_name
340 
341 /* MMHUB */
342 #define MMHUB_BASE_INNER(seg) \
343 	MMHUB_BASE__INST0_SEG ## seg
344 
345 #define MMHUB_BASE(seg) \
346 	MMHUB_BASE_INNER(seg)
347 
348 #define MMHUB_SR(reg_name)\
349 		.reg_name = MMHUB_BASE(mmMM ## reg_name ## _BASE_IDX) + \
350 					mmMM ## reg_name
351 
352 static const struct bios_registers bios_regs = {
353 		NBIO_SR(BIOS_SCRATCH_3),
354 		NBIO_SR(BIOS_SCRATCH_6)
355 };
356 
357 #define clk_src_regs(index, pllid)\
358 [index] = {\
359 	CS_COMMON_REG_LIST_DCN2_0(index, pllid),\
360 }
361 
362 static const struct dce110_clk_src_regs clk_src_regs[] = {
363 	clk_src_regs(0, A),
364 	clk_src_regs(1, B),
365 	clk_src_regs(2, C),
366 	clk_src_regs(3, D),
367 	clk_src_regs(4, E),
368 	clk_src_regs(5, F)
369 };
370 
371 static const struct dce110_clk_src_shift cs_shift = {
372 		CS_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
373 };
374 
375 static const struct dce110_clk_src_mask cs_mask = {
376 		CS_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
377 };
378 
379 static const struct dce_dmcu_registers dmcu_regs = {
380 		DMCU_DCN10_REG_LIST()
381 };
382 
383 static const struct dce_dmcu_shift dmcu_shift = {
384 		DMCU_MASK_SH_LIST_DCN10(__SHIFT)
385 };
386 
387 static const struct dce_dmcu_mask dmcu_mask = {
388 		DMCU_MASK_SH_LIST_DCN10(_MASK)
389 };
390 
391 static const struct dce_abm_registers abm_regs = {
392 		ABM_DCN20_REG_LIST()
393 };
394 
395 static const struct dce_abm_shift abm_shift = {
396 		ABM_MASK_SH_LIST_DCN20(__SHIFT)
397 };
398 
399 static const struct dce_abm_mask abm_mask = {
400 		ABM_MASK_SH_LIST_DCN20(_MASK)
401 };
402 
403 #define audio_regs(id)\
404 [id] = {\
405 		AUD_COMMON_REG_LIST(id)\
406 }
407 
408 static const struct dce_audio_registers audio_regs[] = {
409 	audio_regs(0),
410 	audio_regs(1),
411 	audio_regs(2),
412 	audio_regs(3),
413 	audio_regs(4),
414 	audio_regs(5),
415 	audio_regs(6),
416 };
417 
418 #define DCE120_AUD_COMMON_MASK_SH_LIST(mask_sh)\
419 		SF(AZF0ENDPOINT0_AZALIA_F0_CODEC_ENDPOINT_INDEX, AZALIA_ENDPOINT_REG_INDEX, mask_sh),\
420 		SF(AZF0ENDPOINT0_AZALIA_F0_CODEC_ENDPOINT_DATA, AZALIA_ENDPOINT_REG_DATA, mask_sh),\
421 		AUD_COMMON_MASK_SH_LIST_BASE(mask_sh)
422 
423 static const struct dce_audio_shift audio_shift = {
424 		DCE120_AUD_COMMON_MASK_SH_LIST(__SHIFT)
425 };
426 
427 static const struct dce_audio_mask audio_mask = {
428 		DCE120_AUD_COMMON_MASK_SH_LIST(_MASK)
429 };
430 
431 #define stream_enc_regs(id)\
432 [id] = {\
433 	SE_DCN2_REG_LIST(id)\
434 }
435 
436 static const struct dcn10_stream_enc_registers stream_enc_regs[] = {
437 	stream_enc_regs(0),
438 	stream_enc_regs(1),
439 	stream_enc_regs(2),
440 	stream_enc_regs(3),
441 	stream_enc_regs(4),
442 	stream_enc_regs(5),
443 };
444 
445 static const struct dcn10_stream_encoder_shift se_shift = {
446 		SE_COMMON_MASK_SH_LIST_DCN20(__SHIFT)
447 };
448 
449 static const struct dcn10_stream_encoder_mask se_mask = {
450 		SE_COMMON_MASK_SH_LIST_DCN20(_MASK)
451 };
452 
453 
454 #define aux_regs(id)\
455 [id] = {\
456 	DCN2_AUX_REG_LIST(id)\
457 }
458 
459 static const struct dcn10_link_enc_aux_registers link_enc_aux_regs[] = {
460 		aux_regs(0),
461 		aux_regs(1),
462 		aux_regs(2),
463 		aux_regs(3),
464 		aux_regs(4),
465 		aux_regs(5)
466 };
467 
468 #define hpd_regs(id)\
469 [id] = {\
470 	HPD_REG_LIST(id)\
471 }
472 
473 static const struct dcn10_link_enc_hpd_registers link_enc_hpd_regs[] = {
474 		hpd_regs(0),
475 		hpd_regs(1),
476 		hpd_regs(2),
477 		hpd_regs(3),
478 		hpd_regs(4),
479 		hpd_regs(5)
480 };
481 
482 #define link_regs(id, phyid)\
483 [id] = {\
484 	LE_DCN10_REG_LIST(id), \
485 	UNIPHY_DCN2_REG_LIST(phyid), \
486 	SRI(DP_DPHY_INTERNAL_CTRL, DP, id) \
487 }
488 
489 static const struct dcn10_link_enc_registers link_enc_regs[] = {
490 	link_regs(0, A),
491 	link_regs(1, B),
492 	link_regs(2, C),
493 	link_regs(3, D),
494 	link_regs(4, E),
495 	link_regs(5, F)
496 };
497 
498 static const struct dcn10_link_enc_shift le_shift = {
499 	LINK_ENCODER_MASK_SH_LIST_DCN20(__SHIFT)
500 };
501 
502 static const struct dcn10_link_enc_mask le_mask = {
503 	LINK_ENCODER_MASK_SH_LIST_DCN20(_MASK)
504 };
505 
506 #define ipp_regs(id)\
507 [id] = {\
508 	IPP_REG_LIST_DCN20(id),\
509 }
510 
511 static const struct dcn10_ipp_registers ipp_regs[] = {
512 	ipp_regs(0),
513 	ipp_regs(1),
514 	ipp_regs(2),
515 	ipp_regs(3),
516 	ipp_regs(4),
517 	ipp_regs(5),
518 };
519 
520 static const struct dcn10_ipp_shift ipp_shift = {
521 		IPP_MASK_SH_LIST_DCN20(__SHIFT)
522 };
523 
524 static const struct dcn10_ipp_mask ipp_mask = {
525 		IPP_MASK_SH_LIST_DCN20(_MASK),
526 };
527 
528 #define opp_regs(id)\
529 [id] = {\
530 	OPP_REG_LIST_DCN20(id),\
531 }
532 
533 static const struct dcn20_opp_registers opp_regs[] = {
534 	opp_regs(0),
535 	opp_regs(1),
536 	opp_regs(2),
537 	opp_regs(3),
538 	opp_regs(4),
539 	opp_regs(5),
540 };
541 
542 static const struct dcn20_opp_shift opp_shift = {
543 		OPP_MASK_SH_LIST_DCN20(__SHIFT)
544 };
545 
546 static const struct dcn20_opp_mask opp_mask = {
547 		OPP_MASK_SH_LIST_DCN20(_MASK)
548 };
549 
550 #define aux_engine_regs(id)\
551 [id] = {\
552 	AUX_COMMON_REG_LIST0(id), \
553 	.AUXN_IMPCAL = 0, \
554 	.AUXP_IMPCAL = 0, \
555 	.AUX_RESET_MASK = DP_AUX0_AUX_CONTROL__AUX_RESET_MASK, \
556 }
557 
558 static const struct dce110_aux_registers aux_engine_regs[] = {
559 		aux_engine_regs(0),
560 		aux_engine_regs(1),
561 		aux_engine_regs(2),
562 		aux_engine_regs(3),
563 		aux_engine_regs(4),
564 		aux_engine_regs(5)
565 };
566 
567 #define tf_regs(id)\
568 [id] = {\
569 	TF_REG_LIST_DCN20(id),\
570 }
571 
572 static const struct dcn2_dpp_registers tf_regs[] = {
573 	tf_regs(0),
574 	tf_regs(1),
575 	tf_regs(2),
576 	tf_regs(3),
577 	tf_regs(4),
578 	tf_regs(5),
579 };
580 
581 static const struct dcn2_dpp_shift tf_shift = {
582 		TF_REG_LIST_SH_MASK_DCN20(__SHIFT)
583 };
584 
585 static const struct dcn2_dpp_mask tf_mask = {
586 		TF_REG_LIST_SH_MASK_DCN20(_MASK)
587 };
588 
589 #define dwbc_regs_dcn2(id)\
590 [id] = {\
591 	DWBC_COMMON_REG_LIST_DCN2_0(id),\
592 		}
593 
594 static const struct dcn20_dwbc_registers dwbc20_regs[] = {
595 	dwbc_regs_dcn2(0),
596 };
597 
598 static const struct dcn20_dwbc_shift dwbc20_shift = {
599 	DWBC_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
600 };
601 
602 static const struct dcn20_dwbc_mask dwbc20_mask = {
603 	DWBC_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
604 };
605 
606 #define mcif_wb_regs_dcn2(id)\
607 [id] = {\
608 	MCIF_WB_COMMON_REG_LIST_DCN2_0(id),\
609 		}
610 
611 static const struct dcn20_mmhubbub_registers mcif_wb20_regs[] = {
612 	mcif_wb_regs_dcn2(0),
613 };
614 
615 static const struct dcn20_mmhubbub_shift mcif_wb20_shift = {
616 	MCIF_WB_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
617 };
618 
619 static const struct dcn20_mmhubbub_mask mcif_wb20_mask = {
620 	MCIF_WB_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
621 };
622 
623 static const struct dcn20_mpc_registers mpc_regs = {
624 		MPC_REG_LIST_DCN2_0(0),
625 		MPC_REG_LIST_DCN2_0(1),
626 		MPC_REG_LIST_DCN2_0(2),
627 		MPC_REG_LIST_DCN2_0(3),
628 		MPC_REG_LIST_DCN2_0(4),
629 		MPC_REG_LIST_DCN2_0(5),
630 		MPC_OUT_MUX_REG_LIST_DCN2_0(0),
631 		MPC_OUT_MUX_REG_LIST_DCN2_0(1),
632 		MPC_OUT_MUX_REG_LIST_DCN2_0(2),
633 		MPC_OUT_MUX_REG_LIST_DCN2_0(3),
634 		MPC_OUT_MUX_REG_LIST_DCN2_0(4),
635 		MPC_OUT_MUX_REG_LIST_DCN2_0(5),
636 };
637 
638 static const struct dcn20_mpc_shift mpc_shift = {
639 	MPC_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
640 };
641 
642 static const struct dcn20_mpc_mask mpc_mask = {
643 	MPC_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
644 };
645 
646 #define tg_regs(id)\
647 [id] = {TG_COMMON_REG_LIST_DCN2_0(id)}
648 
649 
650 static const struct dcn_optc_registers tg_regs[] = {
651 	tg_regs(0),
652 	tg_regs(1),
653 	tg_regs(2),
654 	tg_regs(3),
655 	tg_regs(4),
656 	tg_regs(5)
657 };
658 
659 static const struct dcn_optc_shift tg_shift = {
660 	TG_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
661 };
662 
663 static const struct dcn_optc_mask tg_mask = {
664 	TG_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
665 };
666 
667 #define hubp_regs(id)\
668 [id] = {\
669 	HUBP_REG_LIST_DCN20(id)\
670 }
671 
672 static const struct dcn_hubp2_registers hubp_regs[] = {
673 		hubp_regs(0),
674 		hubp_regs(1),
675 		hubp_regs(2),
676 		hubp_regs(3),
677 		hubp_regs(4),
678 		hubp_regs(5)
679 };
680 
681 static const struct dcn_hubp2_shift hubp_shift = {
682 		HUBP_MASK_SH_LIST_DCN20(__SHIFT)
683 };
684 
685 static const struct dcn_hubp2_mask hubp_mask = {
686 		HUBP_MASK_SH_LIST_DCN20(_MASK)
687 };
688 
689 static const struct dcn_hubbub_registers hubbub_reg = {
690 		HUBBUB_REG_LIST_DCN20(0)
691 };
692 
693 static const struct dcn_hubbub_shift hubbub_shift = {
694 		HUBBUB_MASK_SH_LIST_DCN20(__SHIFT)
695 };
696 
697 static const struct dcn_hubbub_mask hubbub_mask = {
698 		HUBBUB_MASK_SH_LIST_DCN20(_MASK)
699 };
700 
701 #define vmid_regs(id)\
702 [id] = {\
703 		DCN20_VMID_REG_LIST(id)\
704 }
705 
706 static const struct dcn_vmid_registers vmid_regs[] = {
707 	vmid_regs(0),
708 	vmid_regs(1),
709 	vmid_regs(2),
710 	vmid_regs(3),
711 	vmid_regs(4),
712 	vmid_regs(5),
713 	vmid_regs(6),
714 	vmid_regs(7),
715 	vmid_regs(8),
716 	vmid_regs(9),
717 	vmid_regs(10),
718 	vmid_regs(11),
719 	vmid_regs(12),
720 	vmid_regs(13),
721 	vmid_regs(14),
722 	vmid_regs(15)
723 };
724 
725 static const struct dcn20_vmid_shift vmid_shifts = {
726 		DCN20_VMID_MASK_SH_LIST(__SHIFT)
727 };
728 
729 static const struct dcn20_vmid_mask vmid_masks = {
730 		DCN20_VMID_MASK_SH_LIST(_MASK)
731 };
732 
733 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
734 #define dsc_regsDCN20(id)\
735 [id] = {\
736 	DSC_REG_LIST_DCN20(id)\
737 }
738 
739 static const struct dcn20_dsc_registers dsc_regs[] = {
740 	dsc_regsDCN20(0),
741 	dsc_regsDCN20(1),
742 	dsc_regsDCN20(2),
743 	dsc_regsDCN20(3),
744 	dsc_regsDCN20(4),
745 	dsc_regsDCN20(5)
746 };
747 
748 static const struct dcn20_dsc_shift dsc_shift = {
749 	DSC_REG_LIST_SH_MASK_DCN20(__SHIFT)
750 };
751 
752 static const struct dcn20_dsc_mask dsc_mask = {
753 	DSC_REG_LIST_SH_MASK_DCN20(_MASK)
754 };
755 #endif
756 
757 static const struct dccg_registers dccg_regs = {
758 		DCCG_REG_LIST_DCN2()
759 };
760 
761 static const struct dccg_shift dccg_shift = {
762 		DCCG_MASK_SH_LIST_DCN2(__SHIFT)
763 };
764 
765 static const struct dccg_mask dccg_mask = {
766 		DCCG_MASK_SH_LIST_DCN2(_MASK)
767 };
768 
769 static const struct resource_caps res_cap_nv10 = {
770 		.num_timing_generator = 6,
771 		.num_opp = 6,
772 		.num_video_plane = 6,
773 		.num_audio = 7,
774 		.num_stream_encoder = 6,
775 		.num_pll = 6,
776 		.num_dwb = 1,
777 		.num_ddc = 6,
778 		.num_vmid = 16,
779 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
780 		.num_dsc = 6,
781 #endif
782 };
783 
784 static const struct dc_plane_cap plane_cap = {
785 	.type = DC_PLANE_TYPE_DCN_UNIVERSAL,
786 	.blends_with_above = true,
787 	.blends_with_below = true,
788 	.per_pixel_alpha = true,
789 
790 	.pixel_format_support = {
791 			.argb8888 = true,
792 			.nv12 = true,
793 			.fp16 = true
794 	},
795 
796 	.max_upscale_factor = {
797 			.argb8888 = 16000,
798 			.nv12 = 16000,
799 			.fp16 = 1
800 	},
801 
802 	.max_downscale_factor = {
803 			.argb8888 = 250,
804 			.nv12 = 250,
805 			.fp16 = 1
806 	}
807 };
808 static const struct resource_caps res_cap_nv14 = {
809 		.num_timing_generator = 5,
810 		.num_opp = 5,
811 		.num_video_plane = 5,
812 		.num_audio = 6,
813 		.num_stream_encoder = 5,
814 		.num_pll = 5,
815 		.num_dwb = 0,
816 		.num_ddc = 5,
817 };
818 
819 static const struct dc_debug_options debug_defaults_drv = {
820 		.disable_dmcu = true,
821 		.force_abm_enable = false,
822 		.timing_trace = false,
823 		.clock_trace = true,
824 		.disable_pplib_clock_request = true,
825 		.pipe_split_policy = MPC_SPLIT_DYNAMIC,
826 		.force_single_disp_pipe_split = true,
827 		.disable_dcc = DCC_ENABLE,
828 		.vsr_support = true,
829 		.performance_trace = false,
830 		.max_downscale_src_width = 5120,/*upto 5K*/
831 		.disable_pplib_wm_range = false,
832 		.scl_reset_length10 = true,
833 		.sanity_checks = false,
834 		.disable_tri_buf = true,
835 		.underflow_assert_delay_us = 0xFFFFFFFF,
836 };
837 
838 static const struct dc_debug_options debug_defaults_diags = {
839 		.disable_dmcu = true,
840 		.force_abm_enable = false,
841 		.timing_trace = true,
842 		.clock_trace = true,
843 		.disable_dpp_power_gate = true,
844 		.disable_hubp_power_gate = true,
845 		.disable_clock_gate = true,
846 		.disable_pplib_clock_request = true,
847 		.disable_pplib_wm_range = true,
848 		.disable_stutter = true,
849 		.scl_reset_length10 = true,
850 		.underflow_assert_delay_us = 0xFFFFFFFF,
851 };
852 
853 void dcn20_dpp_destroy(struct dpp **dpp)
854 {
855 	kfree(TO_DCN20_DPP(*dpp));
856 	*dpp = NULL;
857 }
858 
859 struct dpp *dcn20_dpp_create(
860 	struct dc_context *ctx,
861 	uint32_t inst)
862 {
863 	struct dcn20_dpp *dpp =
864 		kzalloc(sizeof(struct dcn20_dpp), GFP_KERNEL);
865 
866 	if (!dpp)
867 		return NULL;
868 
869 	if (dpp2_construct(dpp, ctx, inst,
870 			&tf_regs[inst], &tf_shift, &tf_mask))
871 		return &dpp->base;
872 
873 	BREAK_TO_DEBUGGER();
874 	kfree(dpp);
875 	return NULL;
876 }
877 
878 struct input_pixel_processor *dcn20_ipp_create(
879 	struct dc_context *ctx, uint32_t inst)
880 {
881 	struct dcn10_ipp *ipp =
882 		kzalloc(sizeof(struct dcn10_ipp), GFP_KERNEL);
883 
884 	if (!ipp) {
885 		BREAK_TO_DEBUGGER();
886 		return NULL;
887 	}
888 
889 	dcn20_ipp_construct(ipp, ctx, inst,
890 			&ipp_regs[inst], &ipp_shift, &ipp_mask);
891 	return &ipp->base;
892 }
893 
894 
895 struct output_pixel_processor *dcn20_opp_create(
896 	struct dc_context *ctx, uint32_t inst)
897 {
898 	struct dcn20_opp *opp =
899 		kzalloc(sizeof(struct dcn20_opp), GFP_KERNEL);
900 
901 	if (!opp) {
902 		BREAK_TO_DEBUGGER();
903 		return NULL;
904 	}
905 
906 	dcn20_opp_construct(opp, ctx, inst,
907 			&opp_regs[inst], &opp_shift, &opp_mask);
908 	return &opp->base;
909 }
910 
911 struct dce_aux *dcn20_aux_engine_create(
912 	struct dc_context *ctx,
913 	uint32_t inst)
914 {
915 	struct aux_engine_dce110 *aux_engine =
916 		kzalloc(sizeof(struct aux_engine_dce110), GFP_KERNEL);
917 
918 	if (!aux_engine)
919 		return NULL;
920 
921 	dce110_aux_engine_construct(aux_engine, ctx, inst,
922 				    SW_AUX_TIMEOUT_PERIOD_MULTIPLIER * AUX_TIMEOUT_PERIOD,
923 				    &aux_engine_regs[inst]);
924 
925 	return &aux_engine->base;
926 }
927 #define i2c_inst_regs(id) { I2C_HW_ENGINE_COMMON_REG_LIST(id) }
928 
929 static const struct dce_i2c_registers i2c_hw_regs[] = {
930 		i2c_inst_regs(1),
931 		i2c_inst_regs(2),
932 		i2c_inst_regs(3),
933 		i2c_inst_regs(4),
934 		i2c_inst_regs(5),
935 		i2c_inst_regs(6),
936 };
937 
938 static const struct dce_i2c_shift i2c_shifts = {
939 		I2C_COMMON_MASK_SH_LIST_DCN2(__SHIFT)
940 };
941 
942 static const struct dce_i2c_mask i2c_masks = {
943 		I2C_COMMON_MASK_SH_LIST_DCN2(_MASK)
944 };
945 
946 struct dce_i2c_hw *dcn20_i2c_hw_create(
947 	struct dc_context *ctx,
948 	uint32_t inst)
949 {
950 	struct dce_i2c_hw *dce_i2c_hw =
951 		kzalloc(sizeof(struct dce_i2c_hw), GFP_KERNEL);
952 
953 	if (!dce_i2c_hw)
954 		return NULL;
955 
956 	dcn2_i2c_hw_construct(dce_i2c_hw, ctx, inst,
957 				    &i2c_hw_regs[inst], &i2c_shifts, &i2c_masks);
958 
959 	return dce_i2c_hw;
960 }
961 struct mpc *dcn20_mpc_create(struct dc_context *ctx)
962 {
963 	struct dcn20_mpc *mpc20 = kzalloc(sizeof(struct dcn20_mpc),
964 					  GFP_KERNEL);
965 
966 	if (!mpc20)
967 		return NULL;
968 
969 	dcn20_mpc_construct(mpc20, ctx,
970 			&mpc_regs,
971 			&mpc_shift,
972 			&mpc_mask,
973 			6);
974 
975 	return &mpc20->base;
976 }
977 
978 struct hubbub *dcn20_hubbub_create(struct dc_context *ctx)
979 {
980 	int i;
981 	struct dcn20_hubbub *hubbub = kzalloc(sizeof(struct dcn20_hubbub),
982 					  GFP_KERNEL);
983 
984 	if (!hubbub)
985 		return NULL;
986 
987 	hubbub2_construct(hubbub, ctx,
988 			&hubbub_reg,
989 			&hubbub_shift,
990 			&hubbub_mask);
991 
992 	for (i = 0; i < res_cap_nv10.num_vmid; i++) {
993 		struct dcn20_vmid *vmid = &hubbub->vmid[i];
994 
995 		vmid->ctx = ctx;
996 
997 		vmid->regs = &vmid_regs[i];
998 		vmid->shifts = &vmid_shifts;
999 		vmid->masks = &vmid_masks;
1000 	}
1001 
1002 	return &hubbub->base;
1003 }
1004 
1005 struct timing_generator *dcn20_timing_generator_create(
1006 		struct dc_context *ctx,
1007 		uint32_t instance)
1008 {
1009 	struct optc *tgn10 =
1010 		kzalloc(sizeof(struct optc), GFP_KERNEL);
1011 
1012 	if (!tgn10)
1013 		return NULL;
1014 
1015 	tgn10->base.inst = instance;
1016 	tgn10->base.ctx = ctx;
1017 
1018 	tgn10->tg_regs = &tg_regs[instance];
1019 	tgn10->tg_shift = &tg_shift;
1020 	tgn10->tg_mask = &tg_mask;
1021 
1022 	dcn20_timing_generator_init(tgn10);
1023 
1024 	return &tgn10->base;
1025 }
1026 
1027 static const struct encoder_feature_support link_enc_feature = {
1028 		.max_hdmi_deep_color = COLOR_DEPTH_121212,
1029 		.max_hdmi_pixel_clock = 600000,
1030 		.hdmi_ycbcr420_supported = true,
1031 		.dp_ycbcr420_supported = true,
1032 		.flags.bits.IS_HBR2_CAPABLE = true,
1033 		.flags.bits.IS_HBR3_CAPABLE = true,
1034 		.flags.bits.IS_TPS3_CAPABLE = true,
1035 		.flags.bits.IS_TPS4_CAPABLE = true
1036 };
1037 
1038 struct link_encoder *dcn20_link_encoder_create(
1039 	const struct encoder_init_data *enc_init_data)
1040 {
1041 	struct dcn20_link_encoder *enc20 =
1042 		kzalloc(sizeof(struct dcn20_link_encoder), GFP_KERNEL);
1043 
1044 	if (!enc20)
1045 		return NULL;
1046 
1047 	dcn20_link_encoder_construct(enc20,
1048 				      enc_init_data,
1049 				      &link_enc_feature,
1050 				      &link_enc_regs[enc_init_data->transmitter],
1051 				      &link_enc_aux_regs[enc_init_data->channel - 1],
1052 				      &link_enc_hpd_regs[enc_init_data->hpd_source],
1053 				      &le_shift,
1054 				      &le_mask);
1055 
1056 	return &enc20->enc10.base;
1057 }
1058 
1059 struct clock_source *dcn20_clock_source_create(
1060 	struct dc_context *ctx,
1061 	struct dc_bios *bios,
1062 	enum clock_source_id id,
1063 	const struct dce110_clk_src_regs *regs,
1064 	bool dp_clk_src)
1065 {
1066 	struct dce110_clk_src *clk_src =
1067 		kzalloc(sizeof(struct dce110_clk_src), GFP_KERNEL);
1068 
1069 	if (!clk_src)
1070 		return NULL;
1071 
1072 	if (dcn20_clk_src_construct(clk_src, ctx, bios, id,
1073 			regs, &cs_shift, &cs_mask)) {
1074 		clk_src->base.dp_clk_src = dp_clk_src;
1075 		return &clk_src->base;
1076 	}
1077 
1078 	BREAK_TO_DEBUGGER();
1079 	return NULL;
1080 }
1081 
1082 static void read_dce_straps(
1083 	struct dc_context *ctx,
1084 	struct resource_straps *straps)
1085 {
1086 	generic_reg_get(ctx, mmDC_PINSTRAPS + BASE(mmDC_PINSTRAPS_BASE_IDX),
1087 		FN(DC_PINSTRAPS, DC_PINSTRAPS_AUDIO), &straps->dc_pinstraps_audio);
1088 }
1089 
1090 static struct audio *dcn20_create_audio(
1091 		struct dc_context *ctx, unsigned int inst)
1092 {
1093 	return dce_audio_create(ctx, inst,
1094 			&audio_regs[inst], &audio_shift, &audio_mask);
1095 }
1096 
1097 struct stream_encoder *dcn20_stream_encoder_create(
1098 	enum engine_id eng_id,
1099 	struct dc_context *ctx)
1100 {
1101 	struct dcn10_stream_encoder *enc1 =
1102 		kzalloc(sizeof(struct dcn10_stream_encoder), GFP_KERNEL);
1103 
1104 	if (!enc1)
1105 		return NULL;
1106 
1107 	dcn20_stream_encoder_construct(enc1, ctx, ctx->dc_bios, eng_id,
1108 					&stream_enc_regs[eng_id],
1109 					&se_shift, &se_mask);
1110 
1111 	return &enc1->base;
1112 }
1113 
1114 static const struct dce_hwseq_registers hwseq_reg = {
1115 		HWSEQ_DCN2_REG_LIST()
1116 };
1117 
1118 static const struct dce_hwseq_shift hwseq_shift = {
1119 		HWSEQ_DCN2_MASK_SH_LIST(__SHIFT)
1120 };
1121 
1122 static const struct dce_hwseq_mask hwseq_mask = {
1123 		HWSEQ_DCN2_MASK_SH_LIST(_MASK)
1124 };
1125 
1126 struct dce_hwseq *dcn20_hwseq_create(
1127 	struct dc_context *ctx)
1128 {
1129 	struct dce_hwseq *hws = kzalloc(sizeof(struct dce_hwseq), GFP_KERNEL);
1130 
1131 	if (hws) {
1132 		hws->ctx = ctx;
1133 		hws->regs = &hwseq_reg;
1134 		hws->shifts = &hwseq_shift;
1135 		hws->masks = &hwseq_mask;
1136 	}
1137 	return hws;
1138 }
1139 
1140 static const struct resource_create_funcs res_create_funcs = {
1141 	.read_dce_straps = read_dce_straps,
1142 	.create_audio = dcn20_create_audio,
1143 	.create_stream_encoder = dcn20_stream_encoder_create,
1144 	.create_hwseq = dcn20_hwseq_create,
1145 };
1146 
1147 static const struct resource_create_funcs res_create_maximus_funcs = {
1148 	.read_dce_straps = NULL,
1149 	.create_audio = NULL,
1150 	.create_stream_encoder = NULL,
1151 	.create_hwseq = dcn20_hwseq_create,
1152 };
1153 
1154 void dcn20_clock_source_destroy(struct clock_source **clk_src)
1155 {
1156 	kfree(TO_DCE110_CLK_SRC(*clk_src));
1157 	*clk_src = NULL;
1158 }
1159 
1160 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1161 
1162 struct display_stream_compressor *dcn20_dsc_create(
1163 	struct dc_context *ctx, uint32_t inst)
1164 {
1165 	struct dcn20_dsc *dsc =
1166 		kzalloc(sizeof(struct dcn20_dsc), GFP_KERNEL);
1167 
1168 	if (!dsc) {
1169 		BREAK_TO_DEBUGGER();
1170 		return NULL;
1171 	}
1172 
1173 	dsc2_construct(dsc, ctx, inst, &dsc_regs[inst], &dsc_shift, &dsc_mask);
1174 	return &dsc->base;
1175 }
1176 
1177 void dcn20_dsc_destroy(struct display_stream_compressor **dsc)
1178 {
1179 	kfree(container_of(*dsc, struct dcn20_dsc, base));
1180 	*dsc = NULL;
1181 }
1182 
1183 #endif
1184 
1185 static void destruct(struct dcn20_resource_pool *pool)
1186 {
1187 	unsigned int i;
1188 
1189 	for (i = 0; i < pool->base.stream_enc_count; i++) {
1190 		if (pool->base.stream_enc[i] != NULL) {
1191 			kfree(DCN10STRENC_FROM_STRENC(pool->base.stream_enc[i]));
1192 			pool->base.stream_enc[i] = NULL;
1193 		}
1194 	}
1195 
1196 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1197 	for (i = 0; i < pool->base.res_cap->num_dsc; i++) {
1198 		if (pool->base.dscs[i] != NULL)
1199 			dcn20_dsc_destroy(&pool->base.dscs[i]);
1200 	}
1201 #endif
1202 
1203 	if (pool->base.mpc != NULL) {
1204 		kfree(TO_DCN20_MPC(pool->base.mpc));
1205 		pool->base.mpc = NULL;
1206 	}
1207 	if (pool->base.hubbub != NULL) {
1208 		kfree(pool->base.hubbub);
1209 		pool->base.hubbub = NULL;
1210 	}
1211 	for (i = 0; i < pool->base.pipe_count; i++) {
1212 		if (pool->base.dpps[i] != NULL)
1213 			dcn20_dpp_destroy(&pool->base.dpps[i]);
1214 
1215 		if (pool->base.ipps[i] != NULL)
1216 			pool->base.ipps[i]->funcs->ipp_destroy(&pool->base.ipps[i]);
1217 
1218 		if (pool->base.hubps[i] != NULL) {
1219 			kfree(TO_DCN20_HUBP(pool->base.hubps[i]));
1220 			pool->base.hubps[i] = NULL;
1221 		}
1222 
1223 		if (pool->base.irqs != NULL) {
1224 			dal_irq_service_destroy(&pool->base.irqs);
1225 		}
1226 	}
1227 
1228 	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
1229 		if (pool->base.engines[i] != NULL)
1230 			dce110_engine_destroy(&pool->base.engines[i]);
1231 		if (pool->base.hw_i2cs[i] != NULL) {
1232 			kfree(pool->base.hw_i2cs[i]);
1233 			pool->base.hw_i2cs[i] = NULL;
1234 		}
1235 		if (pool->base.sw_i2cs[i] != NULL) {
1236 			kfree(pool->base.sw_i2cs[i]);
1237 			pool->base.sw_i2cs[i] = NULL;
1238 		}
1239 	}
1240 
1241 	for (i = 0; i < pool->base.res_cap->num_opp; i++) {
1242 		if (pool->base.opps[i] != NULL)
1243 			pool->base.opps[i]->funcs->opp_destroy(&pool->base.opps[i]);
1244 	}
1245 
1246 	for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
1247 		if (pool->base.timing_generators[i] != NULL)	{
1248 			kfree(DCN10TG_FROM_TG(pool->base.timing_generators[i]));
1249 			pool->base.timing_generators[i] = NULL;
1250 		}
1251 	}
1252 
1253 	for (i = 0; i < pool->base.res_cap->num_dwb; i++) {
1254 		if (pool->base.dwbc[i] != NULL) {
1255 			kfree(TO_DCN20_DWBC(pool->base.dwbc[i]));
1256 			pool->base.dwbc[i] = NULL;
1257 		}
1258 		if (pool->base.mcif_wb[i] != NULL) {
1259 			kfree(TO_DCN20_MMHUBBUB(pool->base.mcif_wb[i]));
1260 			pool->base.mcif_wb[i] = NULL;
1261 		}
1262 	}
1263 
1264 	for (i = 0; i < pool->base.audio_count; i++) {
1265 		if (pool->base.audios[i])
1266 			dce_aud_destroy(&pool->base.audios[i]);
1267 	}
1268 
1269 	for (i = 0; i < pool->base.clk_src_count; i++) {
1270 		if (pool->base.clock_sources[i] != NULL) {
1271 			dcn20_clock_source_destroy(&pool->base.clock_sources[i]);
1272 			pool->base.clock_sources[i] = NULL;
1273 		}
1274 	}
1275 
1276 	if (pool->base.dp_clock_source != NULL) {
1277 		dcn20_clock_source_destroy(&pool->base.dp_clock_source);
1278 		pool->base.dp_clock_source = NULL;
1279 	}
1280 
1281 
1282 	if (pool->base.abm != NULL)
1283 		dce_abm_destroy(&pool->base.abm);
1284 
1285 	if (pool->base.dmcu != NULL)
1286 		dce_dmcu_destroy(&pool->base.dmcu);
1287 
1288 	if (pool->base.dccg != NULL)
1289 		dcn_dccg_destroy(&pool->base.dccg);
1290 
1291 	if (pool->base.pp_smu != NULL)
1292 		dcn20_pp_smu_destroy(&pool->base.pp_smu);
1293 
1294 }
1295 
1296 struct hubp *dcn20_hubp_create(
1297 	struct dc_context *ctx,
1298 	uint32_t inst)
1299 {
1300 	struct dcn20_hubp *hubp2 =
1301 		kzalloc(sizeof(struct dcn20_hubp), GFP_KERNEL);
1302 
1303 	if (!hubp2)
1304 		return NULL;
1305 
1306 	if (hubp2_construct(hubp2, ctx, inst,
1307 			&hubp_regs[inst], &hubp_shift, &hubp_mask))
1308 		return &hubp2->base;
1309 
1310 	BREAK_TO_DEBUGGER();
1311 	kfree(hubp2);
1312 	return NULL;
1313 }
1314 
1315 static void get_pixel_clock_parameters(
1316 	struct pipe_ctx *pipe_ctx,
1317 	struct pixel_clk_params *pixel_clk_params)
1318 {
1319 	const struct dc_stream_state *stream = pipe_ctx->stream;
1320 	bool odm_combine = dc_res_get_odm_bottom_pipe(pipe_ctx) != NULL;
1321 
1322 	pixel_clk_params->requested_pix_clk_100hz = stream->timing.pix_clk_100hz;
1323 	pixel_clk_params->encoder_object_id = stream->link->link_enc->id;
1324 	pixel_clk_params->signal_type = pipe_ctx->stream->signal;
1325 	pixel_clk_params->controller_id = pipe_ctx->stream_res.tg->inst + 1;
1326 	/* TODO: un-hardcode*/
1327 	pixel_clk_params->requested_sym_clk = LINK_RATE_LOW *
1328 		LINK_RATE_REF_FREQ_IN_KHZ;
1329 	pixel_clk_params->flags.ENABLE_SS = 0;
1330 	pixel_clk_params->color_depth =
1331 		stream->timing.display_color_depth;
1332 	pixel_clk_params->flags.DISPLAY_BLANKED = 1;
1333 	pixel_clk_params->pixel_encoding = stream->timing.pixel_encoding;
1334 
1335 	if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
1336 		pixel_clk_params->color_depth = COLOR_DEPTH_888;
1337 
1338 	if (optc1_is_two_pixels_per_containter(&stream->timing) || odm_combine)
1339 		pixel_clk_params->requested_pix_clk_100hz /= 2;
1340 
1341 	if (stream->timing.timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
1342 		pixel_clk_params->requested_pix_clk_100hz *= 2;
1343 
1344 }
1345 
1346 static void build_clamping_params(struct dc_stream_state *stream)
1347 {
1348 	stream->clamping.clamping_level = CLAMPING_FULL_RANGE;
1349 	stream->clamping.c_depth = stream->timing.display_color_depth;
1350 	stream->clamping.pixel_encoding = stream->timing.pixel_encoding;
1351 }
1352 
1353 static enum dc_status build_pipe_hw_param(struct pipe_ctx *pipe_ctx)
1354 {
1355 
1356 	get_pixel_clock_parameters(pipe_ctx, &pipe_ctx->stream_res.pix_clk_params);
1357 
1358 	pipe_ctx->clock_source->funcs->get_pix_clk_dividers(
1359 		pipe_ctx->clock_source,
1360 		&pipe_ctx->stream_res.pix_clk_params,
1361 		&pipe_ctx->pll_settings);
1362 
1363 	pipe_ctx->stream->clamping.pixel_encoding = pipe_ctx->stream->timing.pixel_encoding;
1364 
1365 	resource_build_bit_depth_reduction_params(pipe_ctx->stream,
1366 					&pipe_ctx->stream->bit_depth_params);
1367 	build_clamping_params(pipe_ctx->stream);
1368 
1369 	return DC_OK;
1370 }
1371 
1372 enum dc_status dcn20_build_mapped_resource(const struct dc *dc, struct dc_state *context, struct dc_stream_state *stream)
1373 {
1374 	enum dc_status status = DC_OK;
1375 	struct pipe_ctx *pipe_ctx = resource_get_head_pipe_for_stream(&context->res_ctx, stream);
1376 
1377 	/*TODO Seems unneeded anymore */
1378 	/*	if (old_context && resource_is_stream_unchanged(old_context, stream)) {
1379 			if (stream != NULL && old_context->streams[i] != NULL) {
1380 				 todo: shouldn't have to copy missing parameter here
1381 				resource_build_bit_depth_reduction_params(stream,
1382 						&stream->bit_depth_params);
1383 				stream->clamping.pixel_encoding =
1384 						stream->timing.pixel_encoding;
1385 
1386 				resource_build_bit_depth_reduction_params(stream,
1387 								&stream->bit_depth_params);
1388 				build_clamping_params(stream);
1389 
1390 				continue;
1391 			}
1392 		}
1393 	*/
1394 
1395 	if (!pipe_ctx)
1396 		return DC_ERROR_UNEXPECTED;
1397 
1398 
1399 	status = build_pipe_hw_param(pipe_ctx);
1400 
1401 	return status;
1402 }
1403 
1404 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1405 
1406 static void acquire_dsc(struct resource_context *res_ctx,
1407 			const struct resource_pool *pool,
1408 			struct display_stream_compressor **dsc)
1409 {
1410 	int i;
1411 
1412 	ASSERT(*dsc == NULL);
1413 	*dsc = NULL;
1414 
1415 	/* Find first free DSC */
1416 	for (i = 0; i < pool->res_cap->num_dsc; i++)
1417 		if (!res_ctx->is_dsc_acquired[i]) {
1418 			*dsc = pool->dscs[i];
1419 			res_ctx->is_dsc_acquired[i] = true;
1420 			break;
1421 		}
1422 }
1423 
1424 static void release_dsc(struct resource_context *res_ctx,
1425 			const struct resource_pool *pool,
1426 			struct display_stream_compressor **dsc)
1427 {
1428 	int i;
1429 
1430 	for (i = 0; i < pool->res_cap->num_dsc; i++)
1431 		if (pool->dscs[i] == *dsc) {
1432 			res_ctx->is_dsc_acquired[i] = false;
1433 			*dsc = NULL;
1434 			break;
1435 		}
1436 }
1437 
1438 #endif
1439 
1440 
1441 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1442 static enum dc_status add_dsc_to_stream_resource(struct dc *dc,
1443 		struct dc_state *dc_ctx,
1444 		struct dc_stream_state *dc_stream)
1445 {
1446 	enum dc_status result = DC_OK;
1447 	int i;
1448 	const struct resource_pool *pool = dc->res_pool;
1449 
1450 	/* Get a DSC if required and available */
1451 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1452 		struct pipe_ctx *pipe_ctx = &dc_ctx->res_ctx.pipe_ctx[i];
1453 
1454 		if (pipe_ctx->stream != dc_stream)
1455 			continue;
1456 
1457 		acquire_dsc(&dc_ctx->res_ctx, pool, &pipe_ctx->stream_res.dsc);
1458 
1459 		/* The number of DSCs can be less than the number of pipes */
1460 		if (!pipe_ctx->stream_res.dsc) {
1461 			dm_output_to_console("No DSCs available\n");
1462 			result = DC_NO_DSC_RESOURCE;
1463 		}
1464 
1465 		break;
1466 	}
1467 
1468 	return result;
1469 }
1470 
1471 
1472 static enum dc_status remove_dsc_from_stream_resource(struct dc *dc,
1473 		struct dc_state *new_ctx,
1474 		struct dc_stream_state *dc_stream)
1475 {
1476 	struct pipe_ctx *pipe_ctx = NULL;
1477 	int i;
1478 
1479 	for (i = 0; i < MAX_PIPES; i++) {
1480 		if (new_ctx->res_ctx.pipe_ctx[i].stream == dc_stream && !new_ctx->res_ctx.pipe_ctx[i].top_pipe) {
1481 			pipe_ctx = &new_ctx->res_ctx.pipe_ctx[i];
1482 			break;
1483 		}
1484 	}
1485 
1486 	if (!pipe_ctx)
1487 		return DC_ERROR_UNEXPECTED;
1488 
1489 	if (pipe_ctx->stream_res.dsc) {
1490 		struct pipe_ctx *odm_pipe = dc_res_get_odm_bottom_pipe(pipe_ctx);
1491 
1492 		release_dsc(&new_ctx->res_ctx, dc->res_pool, &pipe_ctx->stream_res.dsc);
1493 		if (odm_pipe)
1494 			release_dsc(&new_ctx->res_ctx, dc->res_pool, &odm_pipe->stream_res.dsc);
1495 	}
1496 
1497 	return DC_OK;
1498 }
1499 #endif
1500 
1501 
1502 enum dc_status dcn20_add_stream_to_ctx(struct dc *dc, struct dc_state *new_ctx, struct dc_stream_state *dc_stream)
1503 {
1504 	enum dc_status result = DC_ERROR_UNEXPECTED;
1505 
1506 	result = resource_map_pool_resources(dc, new_ctx, dc_stream);
1507 
1508 	if (result == DC_OK)
1509 		result = resource_map_phy_clock_resources(dc, new_ctx, dc_stream);
1510 
1511 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1512 	/* Get a DSC if required and available */
1513 	if (result == DC_OK && dc_stream->timing.flags.DSC)
1514 		result = add_dsc_to_stream_resource(dc, new_ctx, dc_stream);
1515 #endif
1516 
1517 	if (result == DC_OK)
1518 		result = dcn20_build_mapped_resource(dc, new_ctx, dc_stream);
1519 
1520 	return result;
1521 }
1522 
1523 
1524 enum dc_status dcn20_remove_stream_from_ctx(struct dc *dc, struct dc_state *new_ctx, struct dc_stream_state *dc_stream)
1525 {
1526 	enum dc_status result = DC_OK;
1527 
1528 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1529 	result = remove_dsc_from_stream_resource(dc, new_ctx, dc_stream);
1530 #endif
1531 
1532 	return result;
1533 }
1534 
1535 
1536 static void swizzle_to_dml_params(
1537 		enum swizzle_mode_values swizzle,
1538 		unsigned int *sw_mode)
1539 {
1540 	switch (swizzle) {
1541 	case DC_SW_LINEAR:
1542 		*sw_mode = dm_sw_linear;
1543 		break;
1544 	case DC_SW_4KB_S:
1545 		*sw_mode = dm_sw_4kb_s;
1546 		break;
1547 	case DC_SW_4KB_S_X:
1548 		*sw_mode = dm_sw_4kb_s_x;
1549 		break;
1550 	case DC_SW_4KB_D:
1551 		*sw_mode = dm_sw_4kb_d;
1552 		break;
1553 	case DC_SW_4KB_D_X:
1554 		*sw_mode = dm_sw_4kb_d_x;
1555 		break;
1556 	case DC_SW_64KB_S:
1557 		*sw_mode = dm_sw_64kb_s;
1558 		break;
1559 	case DC_SW_64KB_S_X:
1560 		*sw_mode = dm_sw_64kb_s_x;
1561 		break;
1562 	case DC_SW_64KB_S_T:
1563 		*sw_mode = dm_sw_64kb_s_t;
1564 		break;
1565 	case DC_SW_64KB_D:
1566 		*sw_mode = dm_sw_64kb_d;
1567 		break;
1568 	case DC_SW_64KB_D_X:
1569 		*sw_mode = dm_sw_64kb_d_x;
1570 		break;
1571 	case DC_SW_64KB_D_T:
1572 		*sw_mode = dm_sw_64kb_d_t;
1573 		break;
1574 	case DC_SW_64KB_R_X:
1575 		*sw_mode = dm_sw_64kb_r_x;
1576 		break;
1577 	case DC_SW_VAR_S:
1578 		*sw_mode = dm_sw_var_s;
1579 		break;
1580 	case DC_SW_VAR_S_X:
1581 		*sw_mode = dm_sw_var_s_x;
1582 		break;
1583 	case DC_SW_VAR_D:
1584 		*sw_mode = dm_sw_var_d;
1585 		break;
1586 	case DC_SW_VAR_D_X:
1587 		*sw_mode = dm_sw_var_d_x;
1588 		break;
1589 
1590 	default:
1591 		ASSERT(0); /* Not supported */
1592 		break;
1593 	}
1594 }
1595 
1596 static bool dcn20_split_stream_for_combine(
1597 		struct resource_context *res_ctx,
1598 		const struct resource_pool *pool,
1599 		struct pipe_ctx *primary_pipe,
1600 		struct pipe_ctx *secondary_pipe,
1601 		bool is_odm_combine)
1602 {
1603 	int pipe_idx = secondary_pipe->pipe_idx;
1604 	struct scaler_data *sd = &primary_pipe->plane_res.scl_data;
1605 	struct pipe_ctx *sec_bot_pipe = secondary_pipe->bottom_pipe;
1606 	int new_width;
1607 
1608 	*secondary_pipe = *primary_pipe;
1609 	secondary_pipe->bottom_pipe = sec_bot_pipe;
1610 
1611 	secondary_pipe->pipe_idx = pipe_idx;
1612 	secondary_pipe->plane_res.mi = pool->mis[secondary_pipe->pipe_idx];
1613 	secondary_pipe->plane_res.hubp = pool->hubps[secondary_pipe->pipe_idx];
1614 	secondary_pipe->plane_res.ipp = pool->ipps[secondary_pipe->pipe_idx];
1615 	secondary_pipe->plane_res.xfm = pool->transforms[secondary_pipe->pipe_idx];
1616 	secondary_pipe->plane_res.dpp = pool->dpps[secondary_pipe->pipe_idx];
1617 	secondary_pipe->plane_res.mpcc_inst = pool->dpps[secondary_pipe->pipe_idx]->inst;
1618 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1619 	secondary_pipe->stream_res.dsc = NULL;
1620 #endif
1621 	if (primary_pipe->bottom_pipe && primary_pipe->bottom_pipe != secondary_pipe) {
1622 		ASSERT(!secondary_pipe->bottom_pipe);
1623 		secondary_pipe->bottom_pipe = primary_pipe->bottom_pipe;
1624 		secondary_pipe->bottom_pipe->top_pipe = secondary_pipe;
1625 	}
1626 	primary_pipe->bottom_pipe = secondary_pipe;
1627 	secondary_pipe->top_pipe = primary_pipe;
1628 
1629 	if (is_odm_combine) {
1630 		if (primary_pipe->plane_state) {
1631 			/* HACTIVE halved for odm combine */
1632 			sd->h_active /= 2;
1633 			/* Copy scl_data to secondary pipe */
1634 			secondary_pipe->plane_res.scl_data = *sd;
1635 
1636 			/* Calculate new vp and recout for left pipe */
1637 			/* Need at least 16 pixels width per side */
1638 			if (sd->recout.x + 16 >= sd->h_active)
1639 				return false;
1640 			new_width = sd->h_active - sd->recout.x;
1641 			sd->viewport.width -= dc_fixpt_floor(dc_fixpt_mul_int(
1642 					sd->ratios.horz, sd->recout.width - new_width));
1643 			sd->viewport_c.width -= dc_fixpt_floor(dc_fixpt_mul_int(
1644 					sd->ratios.horz_c, sd->recout.width - new_width));
1645 			sd->recout.width = new_width;
1646 
1647 			/* Calculate new vp and recout for right pipe */
1648 			sd = &secondary_pipe->plane_res.scl_data;
1649 			new_width = sd->recout.width + sd->recout.x - sd->h_active;
1650 			/* Need at least 16 pixels width per side */
1651 			if (new_width <= 16)
1652 				return false;
1653 			sd->viewport.width -= dc_fixpt_floor(dc_fixpt_mul_int(
1654 					sd->ratios.horz, sd->recout.width - new_width));
1655 			sd->viewport_c.width -= dc_fixpt_floor(dc_fixpt_mul_int(
1656 					sd->ratios.horz_c, sd->recout.width - new_width));
1657 			sd->recout.width = new_width;
1658 			sd->viewport.x += dc_fixpt_floor(dc_fixpt_mul_int(
1659 					sd->ratios.horz, sd->h_active - sd->recout.x));
1660 			sd->viewport_c.x += dc_fixpt_floor(dc_fixpt_mul_int(
1661 					sd->ratios.horz_c, sd->h_active - sd->recout.x));
1662 			sd->recout.x = 0;
1663 		}
1664 		secondary_pipe->stream_res.opp = pool->opps[secondary_pipe->pipe_idx];
1665 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1666 		if (secondary_pipe->stream->timing.flags.DSC == 1) {
1667 			acquire_dsc(res_ctx, pool, &secondary_pipe->stream_res.dsc);
1668 			ASSERT(secondary_pipe->stream_res.dsc);
1669 			if (secondary_pipe->stream_res.dsc == NULL)
1670 				return false;
1671 		}
1672 #endif
1673 	} else {
1674 		ASSERT(primary_pipe->plane_state);
1675 		resource_build_scaling_params(primary_pipe);
1676 		resource_build_scaling_params(secondary_pipe);
1677 	}
1678 
1679 	return true;
1680 }
1681 
1682 void dcn20_populate_dml_writeback_from_context(
1683 		struct dc *dc, struct resource_context *res_ctx, display_e2e_pipe_params_st *pipes)
1684 {
1685 	int pipe_cnt, i;
1686 
1687 	for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
1688 		struct dc_writeback_info *wb_info = &res_ctx->pipe_ctx[i].stream->writeback_info[0];
1689 
1690 		if (!res_ctx->pipe_ctx[i].stream)
1691 			continue;
1692 
1693 		/* Set writeback information */
1694 		pipes[pipe_cnt].dout.wb_enable = (wb_info->wb_enabled == true) ? 1 : 0;
1695 		pipes[pipe_cnt].dout.num_active_wb++;
1696 		pipes[pipe_cnt].dout.wb.wb_src_height = wb_info->dwb_params.cnv_params.crop_height;
1697 		pipes[pipe_cnt].dout.wb.wb_src_width = wb_info->dwb_params.cnv_params.crop_width;
1698 		pipes[pipe_cnt].dout.wb.wb_dst_width = wb_info->dwb_params.dest_width;
1699 		pipes[pipe_cnt].dout.wb.wb_dst_height = wb_info->dwb_params.dest_height;
1700 		pipes[pipe_cnt].dout.wb.wb_htaps_luma = 1;
1701 		pipes[pipe_cnt].dout.wb.wb_vtaps_luma = 1;
1702 		pipes[pipe_cnt].dout.wb.wb_htaps_chroma = wb_info->dwb_params.scaler_taps.h_taps_c;
1703 		pipes[pipe_cnt].dout.wb.wb_vtaps_chroma = wb_info->dwb_params.scaler_taps.v_taps_c;
1704 		pipes[pipe_cnt].dout.wb.wb_hratio = 1.0;
1705 		pipes[pipe_cnt].dout.wb.wb_vratio = 1.0;
1706 		if (wb_info->dwb_params.out_format == dwb_scaler_mode_yuv420) {
1707 			if (wb_info->dwb_params.output_depth == DWB_OUTPUT_PIXEL_DEPTH_8BPC)
1708 				pipes[pipe_cnt].dout.wb.wb_pixel_format = dm_420_8;
1709 			else
1710 				pipes[pipe_cnt].dout.wb.wb_pixel_format = dm_420_10;
1711 		} else
1712 			pipes[pipe_cnt].dout.wb.wb_pixel_format = dm_444_32;
1713 
1714 		pipe_cnt++;
1715 	}
1716 
1717 }
1718 
1719 int dcn20_populate_dml_pipes_from_context(
1720 		struct dc *dc, struct resource_context *res_ctx, display_e2e_pipe_params_st *pipes)
1721 {
1722 	int pipe_cnt, i;
1723 	bool synchronized_vblank = true;
1724 
1725 	for (i = 0, pipe_cnt = -1; i < dc->res_pool->pipe_count; i++) {
1726 		if (!res_ctx->pipe_ctx[i].stream)
1727 			continue;
1728 
1729 		if (pipe_cnt < 0) {
1730 			pipe_cnt = i;
1731 			continue;
1732 		}
1733 		if (!resource_are_streams_timing_synchronizable(
1734 				res_ctx->pipe_ctx[pipe_cnt].stream,
1735 				res_ctx->pipe_ctx[i].stream)) {
1736 			synchronized_vblank = false;
1737 			break;
1738 		}
1739 	}
1740 
1741 	for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
1742 		struct dc_crtc_timing *timing = &res_ctx->pipe_ctx[i].stream->timing;
1743 		int output_bpc;
1744 
1745 		if (!res_ctx->pipe_ctx[i].stream)
1746 			continue;
1747 		/* todo:
1748 		pipes[pipe_cnt].pipe.src.dynamic_metadata_enable = 0;
1749 		pipes[pipe_cnt].pipe.src.dcc = 0;
1750 		pipes[pipe_cnt].pipe.src.vm = 0;*/
1751 
1752 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1753 		pipes[pipe_cnt].dout.dsc_enable = res_ctx->pipe_ctx[i].stream->timing.flags.DSC;
1754 		/* todo: rotation?*/
1755 		pipes[pipe_cnt].dout.dsc_slices = res_ctx->pipe_ctx[i].stream->timing.dsc_cfg.num_slices_h;
1756 #endif
1757 		if (res_ctx->pipe_ctx[i].stream->use_dynamic_meta) {
1758 			pipes[pipe_cnt].pipe.src.dynamic_metadata_enable = true;
1759 			/* 1/2 vblank */
1760 			pipes[pipe_cnt].pipe.src.dynamic_metadata_lines_before_active =
1761 				(timing->v_total - timing->v_addressable
1762 					- timing->v_border_top - timing->v_border_bottom) / 2;
1763 			/* 36 bytes dp, 32 hdmi */
1764 			pipes[pipe_cnt].pipe.src.dynamic_metadata_xmit_bytes =
1765 				dc_is_dp_signal(res_ctx->pipe_ctx[i].stream->signal) ? 36 : 32;
1766 		}
1767 		pipes[pipe_cnt].pipe.src.dcc = false;
1768 		pipes[pipe_cnt].pipe.src.dcc_rate = 1;
1769 		pipes[pipe_cnt].pipe.dest.synchronized_vblank_all_planes = synchronized_vblank;
1770 		pipes[pipe_cnt].pipe.dest.hblank_start = timing->h_total - timing->h_front_porch;
1771 		pipes[pipe_cnt].pipe.dest.hblank_end = pipes[pipe_cnt].pipe.dest.hblank_start
1772 				- timing->h_addressable
1773 				- timing->h_border_left
1774 				- timing->h_border_right;
1775 		pipes[pipe_cnt].pipe.dest.vblank_start = timing->v_total - timing->v_front_porch;
1776 		pipes[pipe_cnt].pipe.dest.vblank_end = pipes[pipe_cnt].pipe.dest.vblank_start
1777 				- timing->v_addressable
1778 				- timing->v_border_top
1779 				- timing->v_border_bottom;
1780 		pipes[pipe_cnt].pipe.dest.htotal = timing->h_total;
1781 		pipes[pipe_cnt].pipe.dest.vtotal = timing->v_total;
1782 		pipes[pipe_cnt].pipe.dest.hactive = timing->h_addressable;
1783 		pipes[pipe_cnt].pipe.dest.vactive = timing->v_addressable;
1784 		pipes[pipe_cnt].pipe.dest.interlaced = timing->flags.INTERLACE;
1785 		pipes[pipe_cnt].pipe.dest.pixel_rate_mhz = timing->pix_clk_100hz/10000.0;
1786 		if (timing->timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
1787 			pipes[pipe_cnt].pipe.dest.pixel_rate_mhz *= 2;
1788 		pipes[pipe_cnt].pipe.dest.otg_inst = res_ctx->pipe_ctx[i].stream_res.tg->inst;
1789 		pipes[pipe_cnt].dout.dp_lanes = 4;
1790 		pipes[pipe_cnt].pipe.dest.vtotal_min = res_ctx->pipe_ctx[i].stream->adjust.v_total_min;
1791 		pipes[pipe_cnt].pipe.dest.vtotal_max = res_ctx->pipe_ctx[i].stream->adjust.v_total_max;
1792 
1793 		switch (res_ctx->pipe_ctx[i].stream->signal) {
1794 		case SIGNAL_TYPE_DISPLAY_PORT_MST:
1795 		case SIGNAL_TYPE_DISPLAY_PORT:
1796 			pipes[pipe_cnt].dout.output_type = dm_dp;
1797 			break;
1798 		case SIGNAL_TYPE_EDP:
1799 			pipes[pipe_cnt].dout.output_type = dm_edp;
1800 			break;
1801 		case SIGNAL_TYPE_HDMI_TYPE_A:
1802 		case SIGNAL_TYPE_DVI_SINGLE_LINK:
1803 		case SIGNAL_TYPE_DVI_DUAL_LINK:
1804 			pipes[pipe_cnt].dout.output_type = dm_hdmi;
1805 			break;
1806 		default:
1807 			/* In case there is no signal, set dp with 4 lanes to allow max config */
1808 			pipes[pipe_cnt].dout.output_type = dm_dp;
1809 			pipes[pipe_cnt].dout.dp_lanes = 4;
1810 		}
1811 
1812 		switch (res_ctx->pipe_ctx[i].stream->timing.display_color_depth) {
1813 		case COLOR_DEPTH_666:
1814 			output_bpc = 6;
1815 			break;
1816 		case COLOR_DEPTH_888:
1817 			output_bpc = 8;
1818 			break;
1819 		case COLOR_DEPTH_101010:
1820 			output_bpc = 10;
1821 			break;
1822 		case COLOR_DEPTH_121212:
1823 			output_bpc = 12;
1824 			break;
1825 		case COLOR_DEPTH_141414:
1826 			output_bpc = 14;
1827 			break;
1828 		case COLOR_DEPTH_161616:
1829 			output_bpc = 16;
1830 			break;
1831 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
1832 		case COLOR_DEPTH_999:
1833 			output_bpc = 9;
1834 			break;
1835 		case COLOR_DEPTH_111111:
1836 			output_bpc = 11;
1837 			break;
1838 #endif
1839 		default:
1840 			output_bpc = 8;
1841 			break;
1842 		}
1843 
1844 
1845 		switch (res_ctx->pipe_ctx[i].stream->timing.pixel_encoding) {
1846 		case PIXEL_ENCODING_RGB:
1847 		case PIXEL_ENCODING_YCBCR444:
1848 			pipes[pipe_cnt].dout.output_format = dm_444;
1849 			pipes[pipe_cnt].dout.output_bpp = output_bpc * 3;
1850 			break;
1851 		case PIXEL_ENCODING_YCBCR420:
1852 			pipes[pipe_cnt].dout.output_format = dm_420;
1853 			pipes[pipe_cnt].dout.output_bpp = (output_bpc * 3) / 2;
1854 			break;
1855 		case PIXEL_ENCODING_YCBCR422:
1856 			if (true) /* todo */
1857 				pipes[pipe_cnt].dout.output_format = dm_s422;
1858 			else
1859 				pipes[pipe_cnt].dout.output_format = dm_n422;
1860 			pipes[pipe_cnt].dout.output_bpp = output_bpc * 2;
1861 			break;
1862 		default:
1863 			pipes[pipe_cnt].dout.output_format = dm_444;
1864 			pipes[pipe_cnt].dout.output_bpp = output_bpc * 3;
1865 		}
1866 		pipes[pipe_cnt].pipe.src.hsplit_grp = res_ctx->pipe_ctx[i].pipe_idx;
1867 		if (res_ctx->pipe_ctx[i].top_pipe && res_ctx->pipe_ctx[i].top_pipe->plane_state
1868 				== res_ctx->pipe_ctx[i].plane_state)
1869 			pipes[pipe_cnt].pipe.src.hsplit_grp = res_ctx->pipe_ctx[i].top_pipe->pipe_idx;
1870 
1871 		/* todo: default max for now, until there is logic reflecting this in dc*/
1872 		pipes[pipe_cnt].dout.output_bpc = 12;
1873 		/*
1874 		 * Use max cursor settings for calculations to minimize
1875 		 * bw calculations due to cursor on/off
1876 		 */
1877 		pipes[pipe_cnt].pipe.src.num_cursors = 2;
1878 		pipes[pipe_cnt].pipe.src.cur0_src_width = 256;
1879 		pipes[pipe_cnt].pipe.src.cur0_bpp = dm_cur_32bit;
1880 		pipes[pipe_cnt].pipe.src.cur1_src_width = 256;
1881 		pipes[pipe_cnt].pipe.src.cur1_bpp = dm_cur_32bit;
1882 
1883 		if (!res_ctx->pipe_ctx[i].plane_state) {
1884 			pipes[pipe_cnt].pipe.src.source_scan = dm_horz;
1885 			pipes[pipe_cnt].pipe.src.sw_mode = dm_sw_linear;
1886 			pipes[pipe_cnt].pipe.src.macro_tile_size = dm_64k_tile;
1887 			pipes[pipe_cnt].pipe.src.viewport_width = timing->h_addressable;
1888 			if (pipes[pipe_cnt].pipe.src.viewport_width > 1920)
1889 				pipes[pipe_cnt].pipe.src.viewport_width = 1920;
1890 			pipes[pipe_cnt].pipe.src.viewport_height = timing->v_addressable;
1891 			if (pipes[pipe_cnt].pipe.src.viewport_height > 1080)
1892 				pipes[pipe_cnt].pipe.src.viewport_height = 1080;
1893 			pipes[pipe_cnt].pipe.src.data_pitch = ((pipes[pipe_cnt].pipe.src.viewport_width + 63) / 64) * 64; /* linear sw only */
1894 			pipes[pipe_cnt].pipe.src.source_format = dm_444_32;
1895 			pipes[pipe_cnt].pipe.dest.recout_width = pipes[pipe_cnt].pipe.src.viewport_width; /*vp_width/hratio*/
1896 			pipes[pipe_cnt].pipe.dest.recout_height = pipes[pipe_cnt].pipe.src.viewport_height; /*vp_height/vratio*/
1897 			pipes[pipe_cnt].pipe.dest.full_recout_width = pipes[pipe_cnt].pipe.dest.recout_width;  /*when is_hsplit != 1*/
1898 			pipes[pipe_cnt].pipe.dest.full_recout_height = pipes[pipe_cnt].pipe.dest.recout_height; /*when is_hsplit != 1*/
1899 			pipes[pipe_cnt].pipe.scale_ratio_depth.lb_depth = dm_lb_16;
1900 			pipes[pipe_cnt].pipe.scale_ratio_depth.hscl_ratio = 1.0;
1901 			pipes[pipe_cnt].pipe.scale_ratio_depth.vscl_ratio = 1.0;
1902 			pipes[pipe_cnt].pipe.scale_ratio_depth.scl_enable = 0; /*Lb only or Full scl*/
1903 			pipes[pipe_cnt].pipe.scale_taps.htaps = 1;
1904 			pipes[pipe_cnt].pipe.scale_taps.vtaps = 1;
1905 			pipes[pipe_cnt].pipe.src.is_hsplit = 0;
1906 			pipes[pipe_cnt].pipe.dest.odm_combine = 0;
1907 			pipes[pipe_cnt].pipe.dest.vtotal_min = timing->v_total;
1908 			pipes[pipe_cnt].pipe.dest.vtotal_max = timing->v_total;
1909 		} else {
1910 			struct dc_plane_state *pln = res_ctx->pipe_ctx[i].plane_state;
1911 			struct scaler_data *scl = &res_ctx->pipe_ctx[i].plane_res.scl_data;
1912 
1913 			pipes[pipe_cnt].pipe.src.immediate_flip = pln->flip_immediate;
1914 			pipes[pipe_cnt].pipe.src.is_hsplit = (res_ctx->pipe_ctx[i].bottom_pipe
1915 					&& res_ctx->pipe_ctx[i].bottom_pipe->plane_state == pln)
1916 					|| (res_ctx->pipe_ctx[i].top_pipe
1917 					&& res_ctx->pipe_ctx[i].top_pipe->plane_state == pln);
1918 			pipes[pipe_cnt].pipe.dest.odm_combine = (res_ctx->pipe_ctx[i].bottom_pipe
1919 					&& res_ctx->pipe_ctx[i].bottom_pipe->plane_state == pln
1920 					&& res_ctx->pipe_ctx[i].bottom_pipe->stream_res.opp
1921 						!= res_ctx->pipe_ctx[i].stream_res.opp)
1922 				|| (res_ctx->pipe_ctx[i].top_pipe
1923 					&& res_ctx->pipe_ctx[i].top_pipe->plane_state == pln
1924 					&& res_ctx->pipe_ctx[i].top_pipe->stream_res.opp
1925 						!= res_ctx->pipe_ctx[i].stream_res.opp);
1926 			pipes[pipe_cnt].pipe.src.source_scan = pln->rotation == ROTATION_ANGLE_90
1927 					|| pln->rotation == ROTATION_ANGLE_270 ? dm_vert : dm_horz;
1928 			pipes[pipe_cnt].pipe.src.viewport_y_y = scl->viewport.y;
1929 			pipes[pipe_cnt].pipe.src.viewport_y_c = scl->viewport_c.y;
1930 			pipes[pipe_cnt].pipe.src.viewport_width = scl->viewport.width;
1931 			pipes[pipe_cnt].pipe.src.viewport_width_c = scl->viewport_c.width;
1932 			pipes[pipe_cnt].pipe.src.viewport_height = scl->viewport.height;
1933 			pipes[pipe_cnt].pipe.src.viewport_height_c = scl->viewport_c.height;
1934 			if (pln->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
1935 				pipes[pipe_cnt].pipe.src.data_pitch = pln->plane_size.surface_pitch;
1936 				pipes[pipe_cnt].pipe.src.data_pitch_c = pln->plane_size.chroma_pitch;
1937 				pipes[pipe_cnt].pipe.src.meta_pitch = pln->dcc.meta_pitch;
1938 				pipes[pipe_cnt].pipe.src.meta_pitch_c = pln->dcc.meta_pitch_c;
1939 			} else {
1940 				pipes[pipe_cnt].pipe.src.data_pitch = pln->plane_size.surface_pitch;
1941 				pipes[pipe_cnt].pipe.src.meta_pitch = pln->dcc.meta_pitch;
1942 			}
1943 			pipes[pipe_cnt].pipe.src.dcc = pln->dcc.enable;
1944 			pipes[pipe_cnt].pipe.dest.recout_width = scl->recout.width;
1945 			pipes[pipe_cnt].pipe.dest.recout_height = scl->recout.height;
1946 			pipes[pipe_cnt].pipe.dest.full_recout_width = scl->recout.width;
1947 			pipes[pipe_cnt].pipe.dest.full_recout_height = scl->recout.height;
1948 			if (res_ctx->pipe_ctx[i].bottom_pipe && res_ctx->pipe_ctx[i].bottom_pipe->plane_state == pln) {
1949 				pipes[pipe_cnt].pipe.dest.full_recout_width +=
1950 						res_ctx->pipe_ctx[i].bottom_pipe->plane_res.scl_data.recout.width;
1951 				pipes[pipe_cnt].pipe.dest.full_recout_height +=
1952 						res_ctx->pipe_ctx[i].bottom_pipe->plane_res.scl_data.recout.height;
1953 			} else if (res_ctx->pipe_ctx[i].top_pipe && res_ctx->pipe_ctx[i].top_pipe->plane_state == pln) {
1954 				pipes[pipe_cnt].pipe.dest.full_recout_width +=
1955 						res_ctx->pipe_ctx[i].top_pipe->plane_res.scl_data.recout.width;
1956 				pipes[pipe_cnt].pipe.dest.full_recout_height +=
1957 						res_ctx->pipe_ctx[i].top_pipe->plane_res.scl_data.recout.height;
1958 			}
1959 
1960 			pipes[pipe_cnt].pipe.scale_ratio_depth.lb_depth = dm_lb_16;
1961 			pipes[pipe_cnt].pipe.scale_ratio_depth.hscl_ratio = (double) scl->ratios.horz.value / (1ULL<<32);
1962 			pipes[pipe_cnt].pipe.scale_ratio_depth.hscl_ratio_c = (double) scl->ratios.horz_c.value / (1ULL<<32);
1963 			pipes[pipe_cnt].pipe.scale_ratio_depth.vscl_ratio = (double) scl->ratios.vert.value / (1ULL<<32);
1964 			pipes[pipe_cnt].pipe.scale_ratio_depth.vscl_ratio_c = (double) scl->ratios.vert_c.value / (1ULL<<32);
1965 			pipes[pipe_cnt].pipe.scale_ratio_depth.scl_enable =
1966 					scl->ratios.vert.value != dc_fixpt_one.value
1967 					|| scl->ratios.horz.value != dc_fixpt_one.value
1968 					|| scl->ratios.vert_c.value != dc_fixpt_one.value
1969 					|| scl->ratios.horz_c.value != dc_fixpt_one.value /*Lb only or Full scl*/
1970 					|| dc->debug.always_scale; /*support always scale*/
1971 			pipes[pipe_cnt].pipe.scale_taps.htaps = scl->taps.h_taps;
1972 			pipes[pipe_cnt].pipe.scale_taps.htaps_c = scl->taps.h_taps_c;
1973 			pipes[pipe_cnt].pipe.scale_taps.vtaps = scl->taps.v_taps;
1974 			pipes[pipe_cnt].pipe.scale_taps.vtaps_c = scl->taps.v_taps_c;
1975 
1976 			pipes[pipe_cnt].pipe.src.macro_tile_size =
1977 					swizzle_mode_to_macro_tile_size(pln->tiling_info.gfx9.swizzle);
1978 			swizzle_to_dml_params(pln->tiling_info.gfx9.swizzle,
1979 					&pipes[pipe_cnt].pipe.src.sw_mode);
1980 
1981 			switch (pln->format) {
1982 			case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
1983 			case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
1984 				pipes[pipe_cnt].pipe.src.source_format = dm_420_8;
1985 				break;
1986 			case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
1987 			case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
1988 				pipes[pipe_cnt].pipe.src.source_format = dm_420_10;
1989 				break;
1990 			case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
1991 			case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
1992 			case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
1993 				pipes[pipe_cnt].pipe.src.source_format = dm_444_64;
1994 				break;
1995 			case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
1996 			case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
1997 				pipes[pipe_cnt].pipe.src.source_format = dm_444_16;
1998 				break;
1999 			case SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS:
2000 				pipes[pipe_cnt].pipe.src.source_format = dm_444_8;
2001 				break;
2002 			default:
2003 				pipes[pipe_cnt].pipe.src.source_format = dm_444_32;
2004 				break;
2005 			}
2006 		}
2007 
2008 		pipe_cnt++;
2009 	}
2010 
2011 	/* populate writeback information */
2012 	dc->res_pool->funcs->populate_dml_writeback_from_context(dc, res_ctx, pipes);
2013 
2014 	return pipe_cnt;
2015 }
2016 
2017 unsigned int dcn20_calc_max_scaled_time(
2018 		unsigned int time_per_pixel,
2019 		enum mmhubbub_wbif_mode mode,
2020 		unsigned int urgent_watermark)
2021 {
2022 	unsigned int time_per_byte = 0;
2023 	unsigned int total_y_free_entry = 0x200; /* two memory piece for luma */
2024 	unsigned int total_c_free_entry = 0x140; /* two memory piece for chroma */
2025 	unsigned int small_free_entry, max_free_entry;
2026 	unsigned int buf_lh_capability;
2027 	unsigned int max_scaled_time;
2028 
2029 	if (mode == PACKED_444) /* packed mode */
2030 		time_per_byte = time_per_pixel/4;
2031 	else if (mode == PLANAR_420_8BPC)
2032 		time_per_byte  = time_per_pixel;
2033 	else if (mode == PLANAR_420_10BPC) /* p010 */
2034 		time_per_byte  = time_per_pixel * 819/1024;
2035 
2036 	if (time_per_byte == 0)
2037 		time_per_byte = 1;
2038 
2039 	small_free_entry  = (total_y_free_entry > total_c_free_entry) ? total_c_free_entry : total_y_free_entry;
2040 	max_free_entry    = (mode == PACKED_444) ? total_y_free_entry + total_c_free_entry : small_free_entry;
2041 	buf_lh_capability = max_free_entry*time_per_byte*32/16; /* there is 4bit fraction */
2042 	max_scaled_time   = buf_lh_capability - urgent_watermark;
2043 	return max_scaled_time;
2044 }
2045 
2046 void dcn20_set_mcif_arb_params(
2047 		struct dc *dc,
2048 		struct dc_state *context,
2049 		display_e2e_pipe_params_st *pipes,
2050 		int pipe_cnt)
2051 {
2052 	enum mmhubbub_wbif_mode wbif_mode;
2053 	struct mcif_arb_params *wb_arb_params;
2054 	int i, j, k, dwb_pipe;
2055 
2056 	/* Writeback MCIF_WB arbitration parameters */
2057 	dwb_pipe = 0;
2058 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2059 
2060 		if (!context->res_ctx.pipe_ctx[i].stream)
2061 			continue;
2062 
2063 		for (j = 0; j < MAX_DWB_PIPES; j++) {
2064 			if (context->res_ctx.pipe_ctx[i].stream->writeback_info[j].wb_enabled == false)
2065 				continue;
2066 
2067 			//wb_arb_params = &context->res_ctx.pipe_ctx[i].stream->writeback_info[j].mcif_arb_params;
2068 			wb_arb_params = &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[dwb_pipe];
2069 
2070 			if (context->res_ctx.pipe_ctx[i].stream->writeback_info[j].dwb_params.out_format == dwb_scaler_mode_yuv420) {
2071 				if (context->res_ctx.pipe_ctx[i].stream->writeback_info[j].dwb_params.output_depth == DWB_OUTPUT_PIXEL_DEPTH_8BPC)
2072 					wbif_mode = PLANAR_420_8BPC;
2073 				else
2074 					wbif_mode = PLANAR_420_10BPC;
2075 			} else
2076 				wbif_mode = PACKED_444;
2077 
2078 			for (k = 0; k < sizeof(wb_arb_params->cli_watermark)/sizeof(wb_arb_params->cli_watermark[0]); k++) {
2079 				wb_arb_params->cli_watermark[k] = get_wm_writeback_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2080 				wb_arb_params->pstate_watermark[k] = get_wm_writeback_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2081 			}
2082 			wb_arb_params->time_per_pixel = 16.0 / context->res_ctx.pipe_ctx[i].stream->phy_pix_clk; /* 4 bit fraction, ms */
2083 			wb_arb_params->slice_lines = 32;
2084 			wb_arb_params->arbitration_slice = 2;
2085 			wb_arb_params->max_scaled_time = dcn20_calc_max_scaled_time(wb_arb_params->time_per_pixel,
2086 				wbif_mode,
2087 				wb_arb_params->cli_watermark[0]); /* assume 4 watermark sets have the same value */
2088 
2089 			dwb_pipe++;
2090 
2091 			if (dwb_pipe >= MAX_DWB_PIPES)
2092 				return;
2093 		}
2094 		if (dwb_pipe >= MAX_DWB_PIPES)
2095 			return;
2096 	}
2097 }
2098 
2099 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
2100 static bool dcn20_validate_dsc(struct dc *dc, struct dc_state *new_ctx)
2101 {
2102 	int i;
2103 
2104 	/* Validate DSC config, dsc count validation is already done */
2105 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2106 		struct pipe_ctx *pipe_ctx = &new_ctx->res_ctx.pipe_ctx[i];
2107 		struct dc_stream_state *stream = pipe_ctx->stream;
2108 		struct dsc_config dsc_cfg;
2109 
2110 		/* Only need to validate top pipe */
2111 		if (pipe_ctx->top_pipe || !stream || !stream->timing.flags.DSC)
2112 			continue;
2113 
2114 		dsc_cfg.pic_width = stream->timing.h_addressable + stream->timing.h_border_left
2115 				+ stream->timing.h_border_right;
2116 		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top
2117 				+ stream->timing.v_border_bottom;
2118 		if (dc_res_get_odm_bottom_pipe(pipe_ctx))
2119 			dsc_cfg.pic_width /= 2;
2120 		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
2121 		dsc_cfg.color_depth = stream->timing.display_color_depth;
2122 		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
2123 
2124 		if (!pipe_ctx->stream_res.dsc->funcs->dsc_validate_stream(pipe_ctx->stream_res.dsc, &dsc_cfg))
2125 			return false;
2126 	}
2127 	return true;
2128 }
2129 #endif
2130 
2131 bool dcn20_fast_validate_bw(
2132 		struct dc *dc,
2133 		struct dc_state *context,
2134 		display_e2e_pipe_params_st *pipes,
2135 		int *pipe_cnt_out,
2136 		int *pipe_split_from,
2137 		int *vlevel_out)
2138 {
2139 	bool out = false;
2140 
2141 	int pipe_cnt, i, pipe_idx, vlevel, vlevel_unsplit;
2142 	bool odm_capable = context->bw_ctx.dml.ip.odm_capable;
2143 	bool force_split = false;
2144 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
2145 	bool failed_non_odm_dsc = false;
2146 #endif
2147 	int split_threshold = dc->res_pool->pipe_count / 2;
2148 	bool avoid_split = dc->debug.pipe_split_policy != MPC_SPLIT_DYNAMIC;
2149 
2150 
2151 	ASSERT(pipes);
2152 	if (!pipes)
2153 		return false;
2154 
2155 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2156 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
2157 		struct pipe_ctx *hsplit_pipe = pipe->bottom_pipe;
2158 
2159 		if (!hsplit_pipe || hsplit_pipe->plane_state != pipe->plane_state)
2160 			continue;
2161 
2162 		/* merge previously split pipe since mode support needs to make the decision */
2163 		pipe->bottom_pipe = hsplit_pipe->bottom_pipe;
2164 		if (hsplit_pipe->bottom_pipe)
2165 			hsplit_pipe->bottom_pipe->top_pipe = pipe;
2166 		hsplit_pipe->plane_state = NULL;
2167 		hsplit_pipe->stream = NULL;
2168 		hsplit_pipe->top_pipe = NULL;
2169 		hsplit_pipe->bottom_pipe = NULL;
2170 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
2171 		if (hsplit_pipe->stream_res.dsc && hsplit_pipe->stream_res.dsc != pipe->stream_res.dsc)
2172 			release_dsc(&context->res_ctx, dc->res_pool, &hsplit_pipe->stream_res.dsc);
2173 #endif
2174 		/* Clear plane_res and stream_res */
2175 		memset(&hsplit_pipe->plane_res, 0, sizeof(hsplit_pipe->plane_res));
2176 		memset(&hsplit_pipe->stream_res, 0, sizeof(hsplit_pipe->stream_res));
2177 		if (pipe->plane_state)
2178 			resource_build_scaling_params(pipe);
2179 	}
2180 
2181 	if (dc->res_pool->funcs->populate_dml_pipes)
2182 		pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc,
2183 			&context->res_ctx, pipes);
2184 	else
2185 		pipe_cnt = dcn20_populate_dml_pipes_from_context(dc,
2186 			&context->res_ctx, pipes);
2187 
2188 	*pipe_cnt_out = pipe_cnt;
2189 
2190 	if (!pipe_cnt) {
2191 		out = true;
2192 		goto validate_out;
2193 	}
2194 
2195 	context->bw_ctx.dml.ip.odm_capable = 0;
2196 
2197 	vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt);
2198 
2199 	context->bw_ctx.dml.ip.odm_capable = odm_capable;
2200 
2201 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
2202 	/* 1 dsc per stream dsc validation */
2203 	if (vlevel <= context->bw_ctx.dml.soc.num_states)
2204 		if (!dcn20_validate_dsc(dc, context)) {
2205 			failed_non_odm_dsc = true;
2206 			vlevel = context->bw_ctx.dml.soc.num_states + 1;
2207 		}
2208 #endif
2209 
2210 	if (vlevel > context->bw_ctx.dml.soc.num_states && odm_capable)
2211 		vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt);
2212 
2213 	if (vlevel > context->bw_ctx.dml.soc.num_states)
2214 		goto validate_fail;
2215 
2216 	if ((context->stream_count > split_threshold && dc->current_state->stream_count <= split_threshold)
2217 		|| (context->stream_count <= split_threshold && dc->current_state->stream_count > split_threshold))
2218 		context->commit_hints.full_update_needed = true;
2219 
2220 	/*initialize pipe_just_split_from to invalid idx*/
2221 	for (i = 0; i < MAX_PIPES; i++)
2222 		pipe_split_from[i] = -1;
2223 
2224 	/* Single display only conditionals get set here */
2225 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2226 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
2227 		bool exit_loop = false;
2228 
2229 		if (!pipe->stream || pipe->top_pipe)
2230 			continue;
2231 
2232 		if (dc->debug.force_single_disp_pipe_split) {
2233 			if (!force_split)
2234 				force_split = true;
2235 			else {
2236 				force_split = false;
2237 				exit_loop = true;
2238 			}
2239 		}
2240 		if (dc->debug.pipe_split_policy == MPC_SPLIT_AVOID_MULT_DISP) {
2241 			if (avoid_split)
2242 				avoid_split = false;
2243 			else {
2244 				avoid_split = true;
2245 				exit_loop = true;
2246 			}
2247 		}
2248 		if (exit_loop)
2249 			break;
2250 	}
2251 
2252 	if (context->stream_count > split_threshold)
2253 		avoid_split = true;
2254 
2255 	vlevel_unsplit = vlevel;
2256 	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
2257 		if (!context->res_ctx.pipe_ctx[i].stream)
2258 			continue;
2259 		for (; vlevel_unsplit <= context->bw_ctx.dml.soc.num_states; vlevel_unsplit++)
2260 			if (context->bw_ctx.dml.vba.NoOfDPP[vlevel_unsplit][0][pipe_idx] == 1)
2261 				break;
2262 		pipe_idx++;
2263 	}
2264 
2265 	for (i = 0, pipe_idx = -1; i < dc->res_pool->pipe_count; i++) {
2266 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
2267 		struct pipe_ctx *hsplit_pipe = pipe->bottom_pipe;
2268 		bool need_split = true;
2269 		bool need_split3d;
2270 
2271 		if (!pipe->stream || pipe_split_from[i] >= 0)
2272 			continue;
2273 
2274 		pipe_idx++;
2275 
2276 		if (dc->debug.force_odm_combine & (1 << pipe->stream_res.tg->inst)) {
2277 			force_split = true;
2278 			context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx] = true;
2279 			context->bw_ctx.dml.vba.ODMCombineEnablePerState[vlevel][pipe_idx] = true;
2280 		}
2281 		if (force_split && context->bw_ctx.dml.vba.NoOfDPP[vlevel][context->bw_ctx.dml.vba.maxMpcComb][pipe_idx] == 1)
2282 			context->bw_ctx.dml.vba.RequiredDPPCLK[vlevel][context->bw_ctx.dml.vba.maxMpcComb][pipe_idx] /= 2;
2283 		if (!pipe->top_pipe && !pipe->plane_state && context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx]) {
2284 			hsplit_pipe = find_idle_secondary_pipe(&context->res_ctx, dc->res_pool, pipe);
2285 			ASSERT(hsplit_pipe);
2286 			if (!dcn20_split_stream_for_combine(
2287 					&context->res_ctx, dc->res_pool,
2288 					pipe, hsplit_pipe,
2289 					true))
2290 				goto validate_fail;
2291 			pipe_split_from[hsplit_pipe->pipe_idx] = pipe_idx;
2292 			dcn20_build_mapped_resource(dc, context, pipe->stream);
2293 		}
2294 
2295 		if (!pipe->plane_state)
2296 			continue;
2297 		/* Skip 2nd half of already split pipe */
2298 		if (pipe->top_pipe && pipe->plane_state == pipe->top_pipe->plane_state)
2299 			continue;
2300 
2301 		need_split3d = ((pipe->stream->view_format ==
2302 				VIEW_3D_FORMAT_SIDE_BY_SIDE ||
2303 				pipe->stream->view_format ==
2304 				VIEW_3D_FORMAT_TOP_AND_BOTTOM) &&
2305 				(pipe->stream->timing.timing_3d_format ==
2306 				TIMING_3D_FORMAT_TOP_AND_BOTTOM ||
2307 				 pipe->stream->timing.timing_3d_format ==
2308 				TIMING_3D_FORMAT_SIDE_BY_SIDE));
2309 
2310 		if (avoid_split && vlevel_unsplit <= context->bw_ctx.dml.soc.num_states && !force_split && !need_split3d) {
2311 			need_split = false;
2312 			vlevel = vlevel_unsplit;
2313 			context->bw_ctx.dml.vba.maxMpcComb = 0;
2314 		} else
2315 			need_split = context->bw_ctx.dml.vba.NoOfDPP[vlevel][context->bw_ctx.dml.vba.maxMpcComb][pipe_idx] == 2;
2316 
2317 		/* We do not support mpo + odm at the moment */
2318 		if (hsplit_pipe && hsplit_pipe->plane_state != pipe->plane_state
2319 				&& context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx])
2320 			goto validate_fail;
2321 
2322 		if (need_split3d || need_split || force_split) {
2323 			if (!hsplit_pipe || hsplit_pipe->plane_state != pipe->plane_state) {
2324 				/* pipe not split previously needs split */
2325 				hsplit_pipe = find_idle_secondary_pipe(&context->res_ctx, dc->res_pool, pipe);
2326 				ASSERT(hsplit_pipe || force_split);
2327 				if (!hsplit_pipe)
2328 					continue;
2329 
2330 				if (!dcn20_split_stream_for_combine(
2331 						&context->res_ctx, dc->res_pool,
2332 						pipe, hsplit_pipe,
2333 						context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx]))
2334 					goto validate_fail;
2335 				pipe_split_from[hsplit_pipe->pipe_idx] = pipe_idx;
2336 			}
2337 		} else if (hsplit_pipe && hsplit_pipe->plane_state == pipe->plane_state) {
2338 			/* merge should already have been done */
2339 			ASSERT(0);
2340 		}
2341 	}
2342 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
2343 	/* Actual dsc count per stream dsc validation*/
2344 	if (failed_non_odm_dsc && !dcn20_validate_dsc(dc, context)) {
2345 		context->bw_ctx.dml.vba.ValidationStatus[context->bw_ctx.dml.vba.soc.num_states] =
2346 				DML_FAIL_DSC_VALIDATION_FAILURE;
2347 		goto validate_fail;
2348 	}
2349 #endif
2350 
2351 	*vlevel_out = vlevel;
2352 
2353 	out = true;
2354 	goto validate_out;
2355 
2356 validate_fail:
2357 	out = false;
2358 
2359 validate_out:
2360 	return out;
2361 }
2362 
2363 void dcn20_calculate_wm(
2364 		struct dc *dc, struct dc_state *context,
2365 		display_e2e_pipe_params_st *pipes,
2366 		int *out_pipe_cnt,
2367 		int *pipe_split_from,
2368 		int vlevel)
2369 {
2370 	int pipe_cnt, i, pipe_idx;
2371 
2372 	for (i = 0, pipe_idx = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
2373 			if (!context->res_ctx.pipe_ctx[i].stream)
2374 				continue;
2375 
2376 			pipes[pipe_cnt].clks_cfg.refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0;
2377 			pipes[pipe_cnt].clks_cfg.dispclk_mhz = context->bw_ctx.dml.vba.RequiredDISPCLK[vlevel][context->bw_ctx.dml.vba.maxMpcComb];
2378 
2379 			if (pipe_split_from[i] < 0) {
2380 				pipes[pipe_cnt].clks_cfg.dppclk_mhz =
2381 						context->bw_ctx.dml.vba.RequiredDPPCLK[vlevel][context->bw_ctx.dml.vba.maxMpcComb][pipe_idx];
2382 				if (context->bw_ctx.dml.vba.BlendingAndTiming[pipe_idx] == pipe_idx)
2383 					pipes[pipe_cnt].pipe.dest.odm_combine =
2384 							context->bw_ctx.dml.vba.ODMCombineEnablePerState[vlevel][pipe_idx];
2385 				else
2386 					pipes[pipe_cnt].pipe.dest.odm_combine = 0;
2387 				pipe_idx++;
2388 			} else {
2389 				pipes[pipe_cnt].clks_cfg.dppclk_mhz =
2390 						context->bw_ctx.dml.vba.RequiredDPPCLK[vlevel][context->bw_ctx.dml.vba.maxMpcComb][pipe_split_from[i]];
2391 				if (context->bw_ctx.dml.vba.BlendingAndTiming[pipe_split_from[i]] == pipe_split_from[i])
2392 					pipes[pipe_cnt].pipe.dest.odm_combine =
2393 							context->bw_ctx.dml.vba.ODMCombineEnablePerState[vlevel][pipe_split_from[i]];
2394 				else
2395 					pipes[pipe_cnt].pipe.dest.odm_combine = 0;
2396 			}
2397 
2398 			if (dc->config.forced_clocks) {
2399 				pipes[pipe_cnt].clks_cfg.dispclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dispclk_mhz;
2400 				pipes[pipe_cnt].clks_cfg.dppclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dppclk_mhz;
2401 			}
2402 			if (dc->debug.min_disp_clk_khz > pipes[pipe_cnt].clks_cfg.dispclk_mhz * 1000)
2403 				pipes[pipe_cnt].clks_cfg.dispclk_mhz = dc->debug.min_disp_clk_khz / 1000.0;
2404 			if (dc->debug.min_dpp_clk_khz > pipes[pipe_cnt].clks_cfg.dppclk_mhz * 1000)
2405 				pipes[pipe_cnt].clks_cfg.dppclk_mhz = dc->debug.min_dpp_clk_khz / 1000.0;
2406 
2407 			pipe_cnt++;
2408 		}
2409 
2410 		if (pipe_cnt != pipe_idx) {
2411 			if (dc->res_pool->funcs->populate_dml_pipes)
2412 				pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc,
2413 					&context->res_ctx, pipes);
2414 			else
2415 				pipe_cnt = dcn20_populate_dml_pipes_from_context(dc,
2416 					&context->res_ctx, pipes);
2417 		}
2418 
2419 		*out_pipe_cnt = pipe_cnt;
2420 
2421 		pipes[0].clks_cfg.voltage = vlevel;
2422 		pipes[0].clks_cfg.dcfclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].dcfclk_mhz;
2423 		pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].socclk_mhz;
2424 
2425 		/* only pipe 0 is read for voltage and dcf/soc clocks */
2426 		if (vlevel < 1) {
2427 			pipes[0].clks_cfg.voltage = 1;
2428 			pipes[0].clks_cfg.dcfclk_mhz = context->bw_ctx.dml.soc.clock_limits[1].dcfclk_mhz;
2429 			pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[1].socclk_mhz;
2430 		}
2431 		context->bw_ctx.bw.dcn.watermarks.b.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2432 		context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2433 		context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2434 		context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2435 		context->bw_ctx.bw.dcn.watermarks.b.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2436 
2437 		if (vlevel < 2) {
2438 			pipes[0].clks_cfg.voltage = 2;
2439 			pipes[0].clks_cfg.dcfclk_mhz = context->bw_ctx.dml.soc.clock_limits[2].dcfclk_mhz;
2440 			pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[2].socclk_mhz;
2441 		}
2442 		context->bw_ctx.bw.dcn.watermarks.c.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2443 		context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2444 		context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2445 		context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2446 		context->bw_ctx.bw.dcn.watermarks.c.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2447 
2448 		if (vlevel < 3) {
2449 			pipes[0].clks_cfg.voltage = 3;
2450 			pipes[0].clks_cfg.dcfclk_mhz = context->bw_ctx.dml.soc.clock_limits[2].dcfclk_mhz;
2451 			pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[2].socclk_mhz;
2452 		}
2453 		context->bw_ctx.bw.dcn.watermarks.d.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2454 		context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2455 		context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2456 		context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2457 		context->bw_ctx.bw.dcn.watermarks.d.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2458 
2459 		pipes[0].clks_cfg.voltage = vlevel;
2460 		pipes[0].clks_cfg.dcfclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].dcfclk_mhz;
2461 		pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].socclk_mhz;
2462 		context->bw_ctx.bw.dcn.watermarks.a.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2463 		context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2464 		context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2465 		context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2466 		context->bw_ctx.bw.dcn.watermarks.a.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
2467 }
2468 
2469 void dcn20_calculate_dlg_params(
2470 		struct dc *dc, struct dc_state *context,
2471 		display_e2e_pipe_params_st *pipes,
2472 		int pipe_cnt,
2473 		int vlevel)
2474 {
2475 	int i, pipe_idx;
2476 
2477 	/* Writeback MCIF_WB arbitration parameters */
2478 	dc->res_pool->funcs->set_mcif_arb_params(dc, context, pipes, pipe_cnt);
2479 
2480 	context->bw_ctx.bw.dcn.clk.dispclk_khz = context->bw_ctx.dml.vba.DISPCLK * 1000;
2481 	context->bw_ctx.bw.dcn.clk.dcfclk_khz = context->bw_ctx.dml.vba.DCFCLK * 1000;
2482 	context->bw_ctx.bw.dcn.clk.socclk_khz = context->bw_ctx.dml.vba.SOCCLK * 1000;
2483 	context->bw_ctx.bw.dcn.clk.dramclk_khz = context->bw_ctx.dml.vba.DRAMSpeed * 1000 / 16;
2484 	context->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz = context->bw_ctx.dml.vba.DCFCLKDeepSleep * 1000;
2485 	context->bw_ctx.bw.dcn.clk.fclk_khz = context->bw_ctx.dml.vba.FabricClock * 1000;
2486 	context->bw_ctx.bw.dcn.clk.p_state_change_support =
2487 		context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb]
2488 							!= dm_dram_clock_change_unsupported;
2489 	context->bw_ctx.bw.dcn.clk.dppclk_khz = 0;
2490 
2491 
2492 
2493 	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
2494 		if (!context->res_ctx.pipe_ctx[i].stream)
2495 			continue;
2496 		pipes[pipe_idx].pipe.dest.vstartup_start = context->bw_ctx.dml.vba.VStartup[pipe_idx];
2497 		pipes[pipe_idx].pipe.dest.vupdate_offset = context->bw_ctx.dml.vba.VUpdateOffsetPix[pipe_idx];
2498 		pipes[pipe_idx].pipe.dest.vupdate_width = context->bw_ctx.dml.vba.VUpdateWidthPix[pipe_idx];
2499 		pipes[pipe_idx].pipe.dest.vready_offset = context->bw_ctx.dml.vba.VReadyOffsetPix[pipe_idx];
2500 		if (context->bw_ctx.bw.dcn.clk.dppclk_khz < pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000)
2501 			context->bw_ctx.bw.dcn.clk.dppclk_khz = pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000;
2502 		context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz =
2503 						pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000;
2504 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
2505 		context->res_ctx.pipe_ctx[i].stream_res.dscclk_khz =
2506 				context->bw_ctx.dml.vba.DSCCLK_calculated[pipe_idx] * 1000;
2507 #endif
2508 		context->res_ctx.pipe_ctx[i].pipe_dlg_param = pipes[pipe_idx].pipe.dest;
2509 		pipe_idx++;
2510 	}
2511 	/*save a original dppclock copy*/
2512 	context->bw_ctx.bw.dcn.clk.bw_dppclk_khz = context->bw_ctx.bw.dcn.clk.dppclk_khz;
2513 	context->bw_ctx.bw.dcn.clk.bw_dispclk_khz = context->bw_ctx.bw.dcn.clk.dispclk_khz;
2514 	context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz = context->bw_ctx.dml.soc.clock_limits[vlevel].dppclk_mhz*1000;
2515 	context->bw_ctx.bw.dcn.clk.max_supported_dispclk_khz = context->bw_ctx.dml.soc.clock_limits[vlevel].dispclk_mhz*1000;
2516 
2517 	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
2518 		bool cstate_en = context->bw_ctx.dml.vba.PrefetchMode[vlevel][context->bw_ctx.dml.vba.maxMpcComb] != 2;
2519 
2520 		if (!context->res_ctx.pipe_ctx[i].stream)
2521 			continue;
2522 
2523 		context->bw_ctx.dml.funcs.rq_dlg_get_dlg_reg(&context->bw_ctx.dml,
2524 				&context->res_ctx.pipe_ctx[i].dlg_regs,
2525 				&context->res_ctx.pipe_ctx[i].ttu_regs,
2526 				pipes,
2527 				pipe_cnt,
2528 				pipe_idx,
2529 				cstate_en,
2530 				context->bw_ctx.bw.dcn.clk.p_state_change_support,
2531 				false, false, false);
2532 
2533 		context->bw_ctx.dml.funcs.rq_dlg_get_rq_reg(&context->bw_ctx.dml,
2534 				&context->res_ctx.pipe_ctx[i].rq_regs,
2535 				pipes[pipe_idx].pipe);
2536 		pipe_idx++;
2537 	}
2538 }
2539 
2540 static bool dcn20_validate_bandwidth_internal(struct dc *dc, struct dc_state *context,
2541 		bool fast_validate)
2542 {
2543 	bool out = false;
2544 
2545 	BW_VAL_TRACE_SETUP();
2546 
2547 	int vlevel = 0;
2548 	int pipe_split_from[MAX_PIPES];
2549 	int pipe_cnt = 0;
2550 	display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_KERNEL);
2551 	DC_LOGGER_INIT(dc->ctx->logger);
2552 
2553 	BW_VAL_TRACE_COUNT();
2554 
2555 	out = dcn20_fast_validate_bw(dc, context, pipes, &pipe_cnt, pipe_split_from, &vlevel);
2556 
2557 	if (pipe_cnt == 0)
2558 		goto validate_out;
2559 
2560 	if (!out)
2561 		goto validate_fail;
2562 
2563 	BW_VAL_TRACE_END_VOLTAGE_LEVEL();
2564 
2565 	if (fast_validate) {
2566 		BW_VAL_TRACE_SKIP(fast);
2567 		goto validate_out;
2568 	}
2569 
2570 	dcn20_calculate_wm(dc, context, pipes, &pipe_cnt, pipe_split_from, vlevel);
2571 	dcn20_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel);
2572 
2573 	BW_VAL_TRACE_END_WATERMARKS();
2574 
2575 	goto validate_out;
2576 
2577 validate_fail:
2578 	DC_LOG_WARNING("Mode Validation Warning: %s failed validation.\n",
2579 		dml_get_status_message(context->bw_ctx.dml.vba.ValidationStatus[context->bw_ctx.dml.vba.soc.num_states]));
2580 
2581 	BW_VAL_TRACE_SKIP(fail);
2582 	out = false;
2583 
2584 validate_out:
2585 	kfree(pipes);
2586 
2587 	BW_VAL_TRACE_FINISH();
2588 
2589 	return out;
2590 }
2591 
2592 
2593 bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context,
2594 		bool fast_validate)
2595 {
2596 	bool voltage_supported = false;
2597 	bool full_pstate_supported = false;
2598 	bool dummy_pstate_supported = false;
2599 	double p_state_latency_us = context->bw_ctx.dml.soc.dram_clock_change_latency_us;
2600 
2601 	if (fast_validate)
2602 		return dcn20_validate_bandwidth_internal(dc, context, true);
2603 
2604 
2605 	// Best case, we support full UCLK switch latency
2606 	voltage_supported = dcn20_validate_bandwidth_internal(dc, context, false);
2607 	full_pstate_supported = context->bw_ctx.bw.dcn.clk.p_state_change_support;
2608 
2609 	if (context->bw_ctx.dml.soc.dummy_pstate_latency_us == 0 ||
2610 		(voltage_supported && full_pstate_supported)) {
2611 		context->bw_ctx.bw.dcn.clk.p_state_change_support = true;
2612 		goto restore_dml_state;
2613 	}
2614 
2615 	// Fallback #1: Try to only support G6 temperature read latency
2616 	context->bw_ctx.dml.soc.dram_clock_change_latency_us = context->bw_ctx.dml.soc.dummy_pstate_latency_us;
2617 
2618 	voltage_supported = dcn20_validate_bandwidth_internal(dc, context, false);
2619 	dummy_pstate_supported = context->bw_ctx.bw.dcn.clk.p_state_change_support;
2620 
2621 	if (voltage_supported && dummy_pstate_supported) {
2622 		context->bw_ctx.bw.dcn.clk.p_state_change_support = false;
2623 		goto restore_dml_state;
2624 	}
2625 
2626 	// Fallback #2: Retry with "new" DCN20 to support G6 temperature read latency
2627 	memcpy (&context->bw_ctx.dml, &dc->work_arounds.alternate_dml, sizeof (struct display_mode_lib));
2628 	context->bw_ctx.dml.soc.dram_clock_change_latency_us = context->bw_ctx.dml.soc.dummy_pstate_latency_us;
2629 
2630 	voltage_supported = dcn20_validate_bandwidth_internal(dc, context, false);
2631 	dummy_pstate_supported = context->bw_ctx.bw.dcn.clk.p_state_change_support;
2632 
2633 	if (voltage_supported && dummy_pstate_supported) {
2634 		context->bw_ctx.bw.dcn.clk.p_state_change_support = false;
2635 		goto restore_dml_state;
2636 	}
2637 
2638 	// ERROR: fallback #2 is supposed to always work.
2639 	ASSERT(false);
2640 
2641 restore_dml_state:
2642 	memcpy(&context->bw_ctx.dml, &dc->dml, sizeof(struct display_mode_lib));
2643 	context->bw_ctx.dml.soc.dram_clock_change_latency_us = p_state_latency_us;
2644 
2645 	return voltage_supported;
2646 }
2647 
2648 struct pipe_ctx *dcn20_acquire_idle_pipe_for_layer(
2649 		struct dc_state *state,
2650 		const struct resource_pool *pool,
2651 		struct dc_stream_state *stream)
2652 {
2653 	struct resource_context *res_ctx = &state->res_ctx;
2654 	struct pipe_ctx *head_pipe = resource_get_head_pipe_for_stream(res_ctx, stream);
2655 	struct pipe_ctx *idle_pipe = find_idle_secondary_pipe(res_ctx, pool, head_pipe);
2656 
2657 	if (!head_pipe)
2658 		ASSERT(0);
2659 
2660 	if (!idle_pipe)
2661 		return NULL;
2662 
2663 	idle_pipe->stream = head_pipe->stream;
2664 	idle_pipe->stream_res.tg = head_pipe->stream_res.tg;
2665 	idle_pipe->stream_res.opp = head_pipe->stream_res.opp;
2666 
2667 	idle_pipe->plane_res.hubp = pool->hubps[idle_pipe->pipe_idx];
2668 	idle_pipe->plane_res.ipp = pool->ipps[idle_pipe->pipe_idx];
2669 	idle_pipe->plane_res.dpp = pool->dpps[idle_pipe->pipe_idx];
2670 	idle_pipe->plane_res.mpcc_inst = pool->dpps[idle_pipe->pipe_idx]->inst;
2671 
2672 	return idle_pipe;
2673 }
2674 
2675 bool dcn20_get_dcc_compression_cap(const struct dc *dc,
2676 		const struct dc_dcc_surface_param *input,
2677 		struct dc_surface_dcc_cap *output)
2678 {
2679 	return dc->res_pool->hubbub->funcs->get_dcc_compression_cap(
2680 			dc->res_pool->hubbub,
2681 			input,
2682 			output);
2683 }
2684 
2685 static void dcn20_destroy_resource_pool(struct resource_pool **pool)
2686 {
2687 	struct dcn20_resource_pool *dcn20_pool = TO_DCN20_RES_POOL(*pool);
2688 
2689 	destruct(dcn20_pool);
2690 	kfree(dcn20_pool);
2691 	*pool = NULL;
2692 }
2693 
2694 
2695 static struct dc_cap_funcs cap_funcs = {
2696 	.get_dcc_compression_cap = dcn20_get_dcc_compression_cap
2697 };
2698 
2699 
2700 enum dc_status dcn20_get_default_swizzle_mode(struct dc_plane_state *plane_state)
2701 {
2702 	enum dc_status result = DC_OK;
2703 
2704 	enum surface_pixel_format surf_pix_format = plane_state->format;
2705 	unsigned int bpp = resource_pixel_format_to_bpp(surf_pix_format);
2706 
2707 	enum swizzle_mode_values swizzle = DC_SW_LINEAR;
2708 
2709 	if (bpp == 64)
2710 		swizzle = DC_SW_64KB_D;
2711 	else
2712 		swizzle = DC_SW_64KB_S;
2713 
2714 	plane_state->tiling_info.gfx9.swizzle = swizzle;
2715 	return result;
2716 }
2717 
2718 static struct resource_funcs dcn20_res_pool_funcs = {
2719 	.destroy = dcn20_destroy_resource_pool,
2720 	.link_enc_create = dcn20_link_encoder_create,
2721 	.validate_bandwidth = dcn20_validate_bandwidth,
2722 	.acquire_idle_pipe_for_layer = dcn20_acquire_idle_pipe_for_layer,
2723 	.add_stream_to_ctx = dcn20_add_stream_to_ctx,
2724 	.remove_stream_from_ctx = dcn20_remove_stream_from_ctx,
2725 	.populate_dml_writeback_from_context = dcn20_populate_dml_writeback_from_context,
2726 	.get_default_swizzle_mode = dcn20_get_default_swizzle_mode,
2727 	.set_mcif_arb_params = dcn20_set_mcif_arb_params,
2728 	.find_first_free_match_stream_enc_for_link = dcn10_find_first_free_match_stream_enc_for_link
2729 };
2730 
2731 bool dcn20_dwbc_create(struct dc_context *ctx, struct resource_pool *pool)
2732 {
2733 	int i;
2734 	uint32_t pipe_count = pool->res_cap->num_dwb;
2735 
2736 	ASSERT(pipe_count > 0);
2737 
2738 	for (i = 0; i < pipe_count; i++) {
2739 		struct dcn20_dwbc *dwbc20 = kzalloc(sizeof(struct dcn20_dwbc),
2740 						    GFP_KERNEL);
2741 
2742 		if (!dwbc20) {
2743 			dm_error("DC: failed to create dwbc20!\n");
2744 			return false;
2745 		}
2746 		dcn20_dwbc_construct(dwbc20, ctx,
2747 				&dwbc20_regs[i],
2748 				&dwbc20_shift,
2749 				&dwbc20_mask,
2750 				i);
2751 		pool->dwbc[i] = &dwbc20->base;
2752 	}
2753 	return true;
2754 }
2755 
2756 bool dcn20_mmhubbub_create(struct dc_context *ctx, struct resource_pool *pool)
2757 {
2758 	int i;
2759 	uint32_t pipe_count = pool->res_cap->num_dwb;
2760 
2761 	ASSERT(pipe_count > 0);
2762 
2763 	for (i = 0; i < pipe_count; i++) {
2764 		struct dcn20_mmhubbub *mcif_wb20 = kzalloc(sizeof(struct dcn20_mmhubbub),
2765 						    GFP_KERNEL);
2766 
2767 		if (!mcif_wb20) {
2768 			dm_error("DC: failed to create mcif_wb20!\n");
2769 			return false;
2770 		}
2771 
2772 		dcn20_mmhubbub_construct(mcif_wb20, ctx,
2773 				&mcif_wb20_regs[i],
2774 				&mcif_wb20_shift,
2775 				&mcif_wb20_mask,
2776 				i);
2777 
2778 		pool->mcif_wb[i] = &mcif_wb20->base;
2779 	}
2780 	return true;
2781 }
2782 
2783 struct pp_smu_funcs *dcn20_pp_smu_create(struct dc_context *ctx)
2784 {
2785 	struct pp_smu_funcs *pp_smu = kzalloc(sizeof(*pp_smu), GFP_KERNEL);
2786 
2787 	if (!pp_smu)
2788 		return pp_smu;
2789 
2790 	dm_pp_get_funcs(ctx, pp_smu);
2791 
2792 	if (pp_smu->ctx.ver != PP_SMU_VER_NV)
2793 		pp_smu = memset(pp_smu, 0, sizeof(struct pp_smu_funcs));
2794 
2795 	return pp_smu;
2796 }
2797 
2798 void dcn20_pp_smu_destroy(struct pp_smu_funcs **pp_smu)
2799 {
2800 	if (pp_smu && *pp_smu) {
2801 		kfree(*pp_smu);
2802 		*pp_smu = NULL;
2803 	}
2804 }
2805 
2806 static void cap_soc_clocks(
2807 		struct _vcs_dpi_soc_bounding_box_st *bb,
2808 		struct pp_smu_nv_clock_table max_clocks)
2809 {
2810 	int i;
2811 
2812 	// First pass - cap all clocks higher than the reported max
2813 	for (i = 0; i < bb->num_states; i++) {
2814 		if ((bb->clock_limits[i].dcfclk_mhz > (max_clocks.dcfClockInKhz / 1000))
2815 				&& max_clocks.dcfClockInKhz != 0)
2816 			bb->clock_limits[i].dcfclk_mhz = (max_clocks.dcfClockInKhz / 1000);
2817 
2818 		if ((bb->clock_limits[i].dram_speed_mts > (max_clocks.uClockInKhz / 1000) * 16)
2819 						&& max_clocks.uClockInKhz != 0)
2820 			bb->clock_limits[i].dram_speed_mts = (max_clocks.uClockInKhz / 1000) * 16;
2821 
2822 		if ((bb->clock_limits[i].fabricclk_mhz > (max_clocks.fabricClockInKhz / 1000))
2823 						&& max_clocks.fabricClockInKhz != 0)
2824 			bb->clock_limits[i].fabricclk_mhz = (max_clocks.fabricClockInKhz / 1000);
2825 
2826 		if ((bb->clock_limits[i].dispclk_mhz > (max_clocks.displayClockInKhz / 1000))
2827 						&& max_clocks.displayClockInKhz != 0)
2828 			bb->clock_limits[i].dispclk_mhz = (max_clocks.displayClockInKhz / 1000);
2829 
2830 		if ((bb->clock_limits[i].dppclk_mhz > (max_clocks.dppClockInKhz / 1000))
2831 						&& max_clocks.dppClockInKhz != 0)
2832 			bb->clock_limits[i].dppclk_mhz = (max_clocks.dppClockInKhz / 1000);
2833 
2834 		if ((bb->clock_limits[i].phyclk_mhz > (max_clocks.phyClockInKhz / 1000))
2835 						&& max_clocks.phyClockInKhz != 0)
2836 			bb->clock_limits[i].phyclk_mhz = (max_clocks.phyClockInKhz / 1000);
2837 
2838 		if ((bb->clock_limits[i].socclk_mhz > (max_clocks.socClockInKhz / 1000))
2839 						&& max_clocks.socClockInKhz != 0)
2840 			bb->clock_limits[i].socclk_mhz = (max_clocks.socClockInKhz / 1000);
2841 
2842 		if ((bb->clock_limits[i].dscclk_mhz > (max_clocks.dscClockInKhz / 1000))
2843 						&& max_clocks.dscClockInKhz != 0)
2844 			bb->clock_limits[i].dscclk_mhz = (max_clocks.dscClockInKhz / 1000);
2845 	}
2846 
2847 	// Second pass - remove all duplicate clock states
2848 	for (i = bb->num_states - 1; i > 1; i--) {
2849 		bool duplicate = true;
2850 
2851 		if (bb->clock_limits[i-1].dcfclk_mhz != bb->clock_limits[i].dcfclk_mhz)
2852 			duplicate = false;
2853 		if (bb->clock_limits[i-1].dispclk_mhz != bb->clock_limits[i].dispclk_mhz)
2854 			duplicate = false;
2855 		if (bb->clock_limits[i-1].dppclk_mhz != bb->clock_limits[i].dppclk_mhz)
2856 			duplicate = false;
2857 		if (bb->clock_limits[i-1].dram_speed_mts != bb->clock_limits[i].dram_speed_mts)
2858 			duplicate = false;
2859 		if (bb->clock_limits[i-1].dscclk_mhz != bb->clock_limits[i].dscclk_mhz)
2860 			duplicate = false;
2861 		if (bb->clock_limits[i-1].fabricclk_mhz != bb->clock_limits[i].fabricclk_mhz)
2862 			duplicate = false;
2863 		if (bb->clock_limits[i-1].phyclk_mhz != bb->clock_limits[i].phyclk_mhz)
2864 			duplicate = false;
2865 		if (bb->clock_limits[i-1].socclk_mhz != bb->clock_limits[i].socclk_mhz)
2866 			duplicate = false;
2867 
2868 		if (duplicate)
2869 			bb->num_states--;
2870 	}
2871 }
2872 
2873 static void update_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st *bb,
2874 		struct pp_smu_nv_clock_table *max_clocks, unsigned int *uclk_states, unsigned int num_states)
2875 {
2876 	struct _vcs_dpi_voltage_scaling_st calculated_states[MAX_CLOCK_LIMIT_STATES] = {0};
2877 	int i;
2878 	int num_calculated_states = 0;
2879 	int min_dcfclk = 0;
2880 
2881 	if (num_states == 0)
2882 		return;
2883 
2884 	if (dc->bb_overrides.min_dcfclk_mhz > 0)
2885 		min_dcfclk = dc->bb_overrides.min_dcfclk_mhz;
2886 	else
2887 		// Accounting for SOC/DCF relationship, we can go as high as
2888 		// 506Mhz in Vmin.  We need to code 507 since SMU will round down to 506.
2889 		min_dcfclk = 507;
2890 
2891 	for (i = 0; i < num_states; i++) {
2892 		int min_fclk_required_by_uclk;
2893 		calculated_states[i].state = i;
2894 		calculated_states[i].dram_speed_mts = uclk_states[i] * 16 / 1000;
2895 
2896 		// FCLK:UCLK ratio is 1.08
2897 		min_fclk_required_by_uclk = mul_u64_u32_shr(BIT_ULL(32) * 1080 / 1000000, uclk_states[i], 32);
2898 
2899 		calculated_states[i].fabricclk_mhz = (min_fclk_required_by_uclk < min_dcfclk) ?
2900 				min_dcfclk : min_fclk_required_by_uclk;
2901 
2902 		calculated_states[i].socclk_mhz = (calculated_states[i].fabricclk_mhz > max_clocks->socClockInKhz / 1000) ?
2903 				max_clocks->socClockInKhz / 1000 : calculated_states[i].fabricclk_mhz;
2904 
2905 		calculated_states[i].dcfclk_mhz = (calculated_states[i].fabricclk_mhz > max_clocks->dcfClockInKhz / 1000) ?
2906 				max_clocks->dcfClockInKhz / 1000 : calculated_states[i].fabricclk_mhz;
2907 
2908 		calculated_states[i].dispclk_mhz = max_clocks->displayClockInKhz / 1000;
2909 		calculated_states[i].dppclk_mhz = max_clocks->displayClockInKhz / 1000;
2910 		calculated_states[i].dscclk_mhz = max_clocks->displayClockInKhz / (1000 * 3);
2911 
2912 		calculated_states[i].phyclk_mhz = max_clocks->phyClockInKhz / 1000;
2913 
2914 		num_calculated_states++;
2915 	}
2916 
2917 	calculated_states[num_calculated_states - 1].socclk_mhz = max_clocks->socClockInKhz / 1000;
2918 	calculated_states[num_calculated_states - 1].fabricclk_mhz = max_clocks->socClockInKhz / 1000;
2919 	calculated_states[num_calculated_states - 1].dcfclk_mhz = max_clocks->dcfClockInKhz / 1000;
2920 
2921 	memcpy(bb->clock_limits, calculated_states, sizeof(bb->clock_limits));
2922 	bb->num_states = num_calculated_states;
2923 
2924 	// Duplicate the last state, DML always an extra state identical to max state to work
2925 	memcpy(&bb->clock_limits[num_calculated_states], &bb->clock_limits[num_calculated_states - 1], sizeof(struct _vcs_dpi_voltage_scaling_st));
2926 	bb->clock_limits[num_calculated_states].state = bb->num_states;
2927 }
2928 
2929 static void patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st *bb)
2930 {
2931 	kernel_fpu_begin();
2932 	if ((int)(bb->sr_exit_time_us * 1000) != dc->bb_overrides.sr_exit_time_ns
2933 			&& dc->bb_overrides.sr_exit_time_ns) {
2934 		bb->sr_exit_time_us = dc->bb_overrides.sr_exit_time_ns / 1000.0;
2935 	}
2936 
2937 	if ((int)(bb->sr_enter_plus_exit_time_us * 1000)
2938 				!= dc->bb_overrides.sr_enter_plus_exit_time_ns
2939 			&& dc->bb_overrides.sr_enter_plus_exit_time_ns) {
2940 		bb->sr_enter_plus_exit_time_us =
2941 				dc->bb_overrides.sr_enter_plus_exit_time_ns / 1000.0;
2942 	}
2943 
2944 	if ((int)(bb->urgent_latency_us * 1000) != dc->bb_overrides.urgent_latency_ns
2945 			&& dc->bb_overrides.urgent_latency_ns) {
2946 		bb->urgent_latency_us = dc->bb_overrides.urgent_latency_ns / 1000.0;
2947 	}
2948 
2949 	if ((int)(bb->dram_clock_change_latency_us * 1000)
2950 				!= dc->bb_overrides.dram_clock_change_latency_ns
2951 			&& dc->bb_overrides.dram_clock_change_latency_ns) {
2952 		bb->dram_clock_change_latency_us =
2953 				dc->bb_overrides.dram_clock_change_latency_ns / 1000.0;
2954 	}
2955 	kernel_fpu_end();
2956 }
2957 
2958 #define fixed16_to_double(x) (((double) x) / ((double) (1 << 16)))
2959 #define fixed16_to_double_to_cpu(x) fixed16_to_double(le32_to_cpu(x))
2960 
2961 static bool init_soc_bounding_box(struct dc *dc,
2962 				  struct dcn20_resource_pool *pool)
2963 {
2964 	const struct gpu_info_soc_bounding_box_v1_0 *bb = dc->soc_bounding_box;
2965 	DC_LOGGER_INIT(dc->ctx->logger);
2966 
2967 	if (!bb && !SOC_BOUNDING_BOX_VALID) {
2968 		DC_LOG_ERROR("%s: not valid soc bounding box/n", __func__);
2969 		return false;
2970 	}
2971 
2972 	if (bb && !SOC_BOUNDING_BOX_VALID) {
2973 		int i;
2974 
2975 		dcn2_0_soc.sr_exit_time_us =
2976 				fixed16_to_double_to_cpu(bb->sr_exit_time_us);
2977 		dcn2_0_soc.sr_enter_plus_exit_time_us =
2978 				fixed16_to_double_to_cpu(bb->sr_enter_plus_exit_time_us);
2979 		dcn2_0_soc.urgent_latency_us =
2980 				fixed16_to_double_to_cpu(bb->urgent_latency_us);
2981 		dcn2_0_soc.urgent_latency_pixel_data_only_us =
2982 				fixed16_to_double_to_cpu(bb->urgent_latency_pixel_data_only_us);
2983 		dcn2_0_soc.urgent_latency_pixel_mixed_with_vm_data_us =
2984 				fixed16_to_double_to_cpu(bb->urgent_latency_pixel_mixed_with_vm_data_us);
2985 		dcn2_0_soc.urgent_latency_vm_data_only_us =
2986 				fixed16_to_double_to_cpu(bb->urgent_latency_vm_data_only_us);
2987 		dcn2_0_soc.urgent_out_of_order_return_per_channel_pixel_only_bytes =
2988 				le32_to_cpu(bb->urgent_out_of_order_return_per_channel_pixel_only_bytes);
2989 		dcn2_0_soc.urgent_out_of_order_return_per_channel_pixel_and_vm_bytes =
2990 				le32_to_cpu(bb->urgent_out_of_order_return_per_channel_pixel_and_vm_bytes);
2991 		dcn2_0_soc.urgent_out_of_order_return_per_channel_vm_only_bytes =
2992 				le32_to_cpu(bb->urgent_out_of_order_return_per_channel_vm_only_bytes);
2993 		dcn2_0_soc.pct_ideal_dram_sdp_bw_after_urgent_pixel_only =
2994 				fixed16_to_double_to_cpu(bb->pct_ideal_dram_sdp_bw_after_urgent_pixel_only);
2995 		dcn2_0_soc.pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm =
2996 				fixed16_to_double_to_cpu(bb->pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm);
2997 		dcn2_0_soc.pct_ideal_dram_sdp_bw_after_urgent_vm_only =
2998 				fixed16_to_double_to_cpu(bb->pct_ideal_dram_sdp_bw_after_urgent_vm_only);
2999 		dcn2_0_soc.max_avg_sdp_bw_use_normal_percent =
3000 				fixed16_to_double_to_cpu(bb->max_avg_sdp_bw_use_normal_percent);
3001 		dcn2_0_soc.max_avg_dram_bw_use_normal_percent =
3002 				fixed16_to_double_to_cpu(bb->max_avg_dram_bw_use_normal_percent);
3003 		dcn2_0_soc.writeback_latency_us =
3004 				fixed16_to_double_to_cpu(bb->writeback_latency_us);
3005 		dcn2_0_soc.ideal_dram_bw_after_urgent_percent =
3006 				fixed16_to_double_to_cpu(bb->ideal_dram_bw_after_urgent_percent);
3007 		dcn2_0_soc.max_request_size_bytes =
3008 				le32_to_cpu(bb->max_request_size_bytes);
3009 		dcn2_0_soc.dram_channel_width_bytes =
3010 				le32_to_cpu(bb->dram_channel_width_bytes);
3011 		dcn2_0_soc.fabric_datapath_to_dcn_data_return_bytes =
3012 				le32_to_cpu(bb->fabric_datapath_to_dcn_data_return_bytes);
3013 		dcn2_0_soc.dcn_downspread_percent =
3014 				fixed16_to_double_to_cpu(bb->dcn_downspread_percent);
3015 		dcn2_0_soc.downspread_percent =
3016 				fixed16_to_double_to_cpu(bb->downspread_percent);
3017 		dcn2_0_soc.dram_page_open_time_ns =
3018 				fixed16_to_double_to_cpu(bb->dram_page_open_time_ns);
3019 		dcn2_0_soc.dram_rw_turnaround_time_ns =
3020 				fixed16_to_double_to_cpu(bb->dram_rw_turnaround_time_ns);
3021 		dcn2_0_soc.dram_return_buffer_per_channel_bytes =
3022 				le32_to_cpu(bb->dram_return_buffer_per_channel_bytes);
3023 		dcn2_0_soc.round_trip_ping_latency_dcfclk_cycles =
3024 				le32_to_cpu(bb->round_trip_ping_latency_dcfclk_cycles);
3025 		dcn2_0_soc.urgent_out_of_order_return_per_channel_bytes =
3026 				le32_to_cpu(bb->urgent_out_of_order_return_per_channel_bytes);
3027 		dcn2_0_soc.channel_interleave_bytes =
3028 				le32_to_cpu(bb->channel_interleave_bytes);
3029 		dcn2_0_soc.num_banks =
3030 				le32_to_cpu(bb->num_banks);
3031 		dcn2_0_soc.num_chans =
3032 				le32_to_cpu(bb->num_chans);
3033 		dcn2_0_soc.vmm_page_size_bytes =
3034 				le32_to_cpu(bb->vmm_page_size_bytes);
3035 		dcn2_0_soc.dram_clock_change_latency_us =
3036 				fixed16_to_double_to_cpu(bb->dram_clock_change_latency_us);
3037 		dcn2_0_soc.writeback_dram_clock_change_latency_us =
3038 				fixed16_to_double_to_cpu(bb->writeback_dram_clock_change_latency_us);
3039 		dcn2_0_soc.return_bus_width_bytes =
3040 				le32_to_cpu(bb->return_bus_width_bytes);
3041 		dcn2_0_soc.dispclk_dppclk_vco_speed_mhz =
3042 				le32_to_cpu(bb->dispclk_dppclk_vco_speed_mhz);
3043 		dcn2_0_soc.xfc_bus_transport_time_us =
3044 				le32_to_cpu(bb->xfc_bus_transport_time_us);
3045 		dcn2_0_soc.xfc_xbuf_latency_tolerance_us =
3046 				le32_to_cpu(bb->xfc_xbuf_latency_tolerance_us);
3047 		dcn2_0_soc.use_urgent_burst_bw =
3048 				le32_to_cpu(bb->use_urgent_burst_bw);
3049 		dcn2_0_soc.num_states =
3050 				le32_to_cpu(bb->num_states);
3051 
3052 		for (i = 0; i < dcn2_0_soc.num_states; i++) {
3053 			dcn2_0_soc.clock_limits[i].state =
3054 					le32_to_cpu(bb->clock_limits[i].state);
3055 			dcn2_0_soc.clock_limits[i].dcfclk_mhz =
3056 					fixed16_to_double_to_cpu(bb->clock_limits[i].dcfclk_mhz);
3057 			dcn2_0_soc.clock_limits[i].fabricclk_mhz =
3058 					fixed16_to_double_to_cpu(bb->clock_limits[i].fabricclk_mhz);
3059 			dcn2_0_soc.clock_limits[i].dispclk_mhz =
3060 					fixed16_to_double_to_cpu(bb->clock_limits[i].dispclk_mhz);
3061 			dcn2_0_soc.clock_limits[i].dppclk_mhz =
3062 					fixed16_to_double_to_cpu(bb->clock_limits[i].dppclk_mhz);
3063 			dcn2_0_soc.clock_limits[i].phyclk_mhz =
3064 					fixed16_to_double_to_cpu(bb->clock_limits[i].phyclk_mhz);
3065 			dcn2_0_soc.clock_limits[i].socclk_mhz =
3066 					fixed16_to_double_to_cpu(bb->clock_limits[i].socclk_mhz);
3067 			dcn2_0_soc.clock_limits[i].dscclk_mhz =
3068 					fixed16_to_double_to_cpu(bb->clock_limits[i].dscclk_mhz);
3069 			dcn2_0_soc.clock_limits[i].dram_speed_mts =
3070 					fixed16_to_double_to_cpu(bb->clock_limits[i].dram_speed_mts);
3071 		}
3072 	}
3073 
3074 	if (pool->base.pp_smu) {
3075 		struct pp_smu_nv_clock_table max_clocks = {0};
3076 		unsigned int uclk_states[8] = {0};
3077 		unsigned int num_states = 0;
3078 		enum pp_smu_status status;
3079 		bool clock_limits_available = false;
3080 		bool uclk_states_available = false;
3081 
3082 		if (pool->base.pp_smu->nv_funcs.get_uclk_dpm_states) {
3083 			status = (pool->base.pp_smu->nv_funcs.get_uclk_dpm_states)
3084 				(&pool->base.pp_smu->nv_funcs.pp_smu, uclk_states, &num_states);
3085 
3086 			uclk_states_available = (status == PP_SMU_RESULT_OK);
3087 		}
3088 
3089 		if (pool->base.pp_smu->nv_funcs.get_maximum_sustainable_clocks) {
3090 			status = (*pool->base.pp_smu->nv_funcs.get_maximum_sustainable_clocks)
3091 					(&pool->base.pp_smu->nv_funcs.pp_smu, &max_clocks);
3092 			/* SMU cannot set DCF clock to anything equal to or higher than SOC clock
3093 			 */
3094 			if (max_clocks.dcfClockInKhz >= max_clocks.socClockInKhz)
3095 				max_clocks.dcfClockInKhz = max_clocks.socClockInKhz - 1000;
3096 			clock_limits_available = (status == PP_SMU_RESULT_OK);
3097 		}
3098 
3099 		if (clock_limits_available && uclk_states_available && num_states)
3100 			update_bounding_box(dc, &dcn2_0_soc, &max_clocks, uclk_states, num_states);
3101 		else if (clock_limits_available)
3102 			cap_soc_clocks(&dcn2_0_soc, max_clocks);
3103 	}
3104 
3105 	dcn2_0_ip.max_num_otg = pool->base.res_cap->num_timing_generator;
3106 	dcn2_0_ip.max_num_dpp = pool->base.pipe_count;
3107 	patch_bounding_box(dc, &dcn2_0_soc);
3108 
3109 	return true;
3110 }
3111 
3112 static bool construct(
3113 	uint8_t num_virtual_links,
3114 	struct dc *dc,
3115 	struct dcn20_resource_pool *pool)
3116 {
3117 	int i;
3118 	struct dc_context *ctx = dc->ctx;
3119 	struct irq_service_init_data init_data;
3120 
3121 	ctx->dc_bios->regs = &bios_regs;
3122 	pool->base.funcs = &dcn20_res_pool_funcs;
3123 
3124 	if (ASICREV_IS_NAVI14_M(ctx->asic_id.hw_internal_rev)) {
3125 		pool->base.res_cap = &res_cap_nv14;
3126 		pool->base.pipe_count = 5;
3127 		pool->base.mpcc_count = 5;
3128 	} else {
3129 		pool->base.res_cap = &res_cap_nv10;
3130 		pool->base.pipe_count = 6;
3131 		pool->base.mpcc_count = 6;
3132 	}
3133 	/*************************************************
3134 	 *  Resource + asic cap harcoding                *
3135 	 *************************************************/
3136 	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
3137 
3138 	dc->caps.max_downscale_ratio = 200;
3139 	dc->caps.i2c_speed_in_khz = 100;
3140 	dc->caps.max_cursor_size = 256;
3141 	dc->caps.dmdata_alloc_size = 2048;
3142 
3143 	dc->caps.max_slave_planes = 1;
3144 	dc->caps.post_blend_color_processing = true;
3145 	dc->caps.force_dp_tps4_for_cp2520 = true;
3146 	dc->caps.hw_3d_lut = true;
3147 
3148 	if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV) {
3149 		dc->debug = debug_defaults_drv;
3150 	} else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
3151 		pool->base.pipe_count = 4;
3152 		pool->base.mpcc_count = pool->base.pipe_count;
3153 		dc->debug = debug_defaults_diags;
3154 	} else {
3155 		dc->debug = debug_defaults_diags;
3156 	}
3157 	//dcn2.0x
3158 	dc->work_arounds.dedcn20_305_wa = true;
3159 
3160 	// Init the vm_helper
3161 	if (dc->vm_helper)
3162 		vm_helper_init(dc->vm_helper, 16);
3163 
3164 	/*************************************************
3165 	 *  Create resources                             *
3166 	 *************************************************/
3167 
3168 	pool->base.clock_sources[DCN20_CLK_SRC_PLL0] =
3169 			dcn20_clock_source_create(ctx, ctx->dc_bios,
3170 				CLOCK_SOURCE_COMBO_PHY_PLL0,
3171 				&clk_src_regs[0], false);
3172 	pool->base.clock_sources[DCN20_CLK_SRC_PLL1] =
3173 			dcn20_clock_source_create(ctx, ctx->dc_bios,
3174 				CLOCK_SOURCE_COMBO_PHY_PLL1,
3175 				&clk_src_regs[1], false);
3176 	pool->base.clock_sources[DCN20_CLK_SRC_PLL2] =
3177 			dcn20_clock_source_create(ctx, ctx->dc_bios,
3178 				CLOCK_SOURCE_COMBO_PHY_PLL2,
3179 				&clk_src_regs[2], false);
3180 	pool->base.clock_sources[DCN20_CLK_SRC_PLL3] =
3181 			dcn20_clock_source_create(ctx, ctx->dc_bios,
3182 				CLOCK_SOURCE_COMBO_PHY_PLL3,
3183 				&clk_src_regs[3], false);
3184 	pool->base.clock_sources[DCN20_CLK_SRC_PLL4] =
3185 			dcn20_clock_source_create(ctx, ctx->dc_bios,
3186 				CLOCK_SOURCE_COMBO_PHY_PLL4,
3187 				&clk_src_regs[4], false);
3188 	pool->base.clock_sources[DCN20_CLK_SRC_PLL5] =
3189 			dcn20_clock_source_create(ctx, ctx->dc_bios,
3190 				CLOCK_SOURCE_COMBO_PHY_PLL5,
3191 				&clk_src_regs[5], false);
3192 	pool->base.clk_src_count = DCN20_CLK_SRC_TOTAL;
3193 	/* todo: not reuse phy_pll registers */
3194 	pool->base.dp_clock_source =
3195 			dcn20_clock_source_create(ctx, ctx->dc_bios,
3196 				CLOCK_SOURCE_ID_DP_DTO,
3197 				&clk_src_regs[0], true);
3198 
3199 	for (i = 0; i < pool->base.clk_src_count; i++) {
3200 		if (pool->base.clock_sources[i] == NULL) {
3201 			dm_error("DC: failed to create clock sources!\n");
3202 			BREAK_TO_DEBUGGER();
3203 			goto create_fail;
3204 		}
3205 	}
3206 
3207 	pool->base.dccg = dccg2_create(ctx, &dccg_regs, &dccg_shift, &dccg_mask);
3208 	if (pool->base.dccg == NULL) {
3209 		dm_error("DC: failed to create dccg!\n");
3210 		BREAK_TO_DEBUGGER();
3211 		goto create_fail;
3212 	}
3213 
3214 	pool->base.dmcu = dcn20_dmcu_create(ctx,
3215 			&dmcu_regs,
3216 			&dmcu_shift,
3217 			&dmcu_mask);
3218 	if (pool->base.dmcu == NULL) {
3219 		dm_error("DC: failed to create dmcu!\n");
3220 		BREAK_TO_DEBUGGER();
3221 		goto create_fail;
3222 	}
3223 
3224 	pool->base.abm = dce_abm_create(ctx,
3225 			&abm_regs,
3226 			&abm_shift,
3227 			&abm_mask);
3228 	if (pool->base.abm == NULL) {
3229 		dm_error("DC: failed to create abm!\n");
3230 		BREAK_TO_DEBUGGER();
3231 		goto create_fail;
3232 	}
3233 
3234 	pool->base.pp_smu = dcn20_pp_smu_create(ctx);
3235 
3236 
3237 	if (!init_soc_bounding_box(dc, pool)) {
3238 		dm_error("DC: failed to initialize soc bounding box!\n");
3239 		BREAK_TO_DEBUGGER();
3240 		goto create_fail;
3241 	}
3242 
3243 	dml_init_instance(&dc->dml, &dcn2_0_soc, &dcn2_0_ip, DML_PROJECT_NAVI10);
3244 	dml_init_instance(&dc->work_arounds.alternate_dml, &dcn2_0_soc, &dcn2_0_ip, DML_PROJECT_NAVI10v2);
3245 
3246 	if (!dc->debug.disable_pplib_wm_range) {
3247 		struct pp_smu_wm_range_sets ranges = {0};
3248 		int i = 0;
3249 
3250 		ranges.num_reader_wm_sets = 0;
3251 
3252 		if (dcn2_0_soc.num_states == 1) {
3253 			ranges.reader_wm_sets[0].wm_inst = i;
3254 			ranges.reader_wm_sets[0].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
3255 			ranges.reader_wm_sets[0].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
3256 			ranges.reader_wm_sets[0].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
3257 			ranges.reader_wm_sets[0].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
3258 
3259 			ranges.num_reader_wm_sets = 1;
3260 		} else if (dcn2_0_soc.num_states > 1) {
3261 			for (i = 0; i < 4 && i < dcn2_0_soc.num_states; i++) {
3262 				ranges.reader_wm_sets[i].wm_inst = i;
3263 				ranges.reader_wm_sets[i].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
3264 				ranges.reader_wm_sets[i].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
3265 				ranges.reader_wm_sets[i].min_fill_clk_mhz = (i > 0) ? (dcn2_0_soc.clock_limits[i - 1].dram_speed_mts / 16) + 1 : 0;
3266 				ranges.reader_wm_sets[i].max_fill_clk_mhz = dcn2_0_soc.clock_limits[i].dram_speed_mts / 16;
3267 
3268 				ranges.num_reader_wm_sets = i + 1;
3269 			}
3270 
3271 			ranges.reader_wm_sets[0].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
3272 			ranges.reader_wm_sets[ranges.num_reader_wm_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
3273 		}
3274 
3275 		ranges.num_writer_wm_sets = 1;
3276 
3277 		ranges.writer_wm_sets[0].wm_inst = 0;
3278 		ranges.writer_wm_sets[0].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
3279 		ranges.writer_wm_sets[0].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
3280 		ranges.writer_wm_sets[0].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
3281 		ranges.writer_wm_sets[0].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
3282 
3283 		/* Notify PP Lib/SMU which Watermarks to use for which clock ranges */
3284 		if (pool->base.pp_smu->nv_funcs.set_wm_ranges)
3285 			pool->base.pp_smu->nv_funcs.set_wm_ranges(&pool->base.pp_smu->nv_funcs.pp_smu, &ranges);
3286 	}
3287 
3288 	init_data.ctx = dc->ctx;
3289 	pool->base.irqs = dal_irq_service_dcn20_create(&init_data);
3290 	if (!pool->base.irqs)
3291 		goto create_fail;
3292 
3293 	/* mem input -> ipp -> dpp -> opp -> TG */
3294 	for (i = 0; i < pool->base.pipe_count; i++) {
3295 		pool->base.hubps[i] = dcn20_hubp_create(ctx, i);
3296 		if (pool->base.hubps[i] == NULL) {
3297 			BREAK_TO_DEBUGGER();
3298 			dm_error(
3299 				"DC: failed to create memory input!\n");
3300 			goto create_fail;
3301 		}
3302 
3303 		pool->base.ipps[i] = dcn20_ipp_create(ctx, i);
3304 		if (pool->base.ipps[i] == NULL) {
3305 			BREAK_TO_DEBUGGER();
3306 			dm_error(
3307 				"DC: failed to create input pixel processor!\n");
3308 			goto create_fail;
3309 		}
3310 
3311 		pool->base.dpps[i] = dcn20_dpp_create(ctx, i);
3312 		if (pool->base.dpps[i] == NULL) {
3313 			BREAK_TO_DEBUGGER();
3314 			dm_error(
3315 				"DC: failed to create dpps!\n");
3316 			goto create_fail;
3317 		}
3318 	}
3319 	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
3320 		pool->base.engines[i] = dcn20_aux_engine_create(ctx, i);
3321 		if (pool->base.engines[i] == NULL) {
3322 			BREAK_TO_DEBUGGER();
3323 			dm_error(
3324 				"DC:failed to create aux engine!!\n");
3325 			goto create_fail;
3326 		}
3327 		pool->base.hw_i2cs[i] = dcn20_i2c_hw_create(ctx, i);
3328 		if (pool->base.hw_i2cs[i] == NULL) {
3329 			BREAK_TO_DEBUGGER();
3330 			dm_error(
3331 				"DC:failed to create hw i2c!!\n");
3332 			goto create_fail;
3333 		}
3334 		pool->base.sw_i2cs[i] = NULL;
3335 	}
3336 
3337 	for (i = 0; i < pool->base.res_cap->num_opp; i++) {
3338 		pool->base.opps[i] = dcn20_opp_create(ctx, i);
3339 		if (pool->base.opps[i] == NULL) {
3340 			BREAK_TO_DEBUGGER();
3341 			dm_error(
3342 				"DC: failed to create output pixel processor!\n");
3343 			goto create_fail;
3344 		}
3345 	}
3346 
3347 	for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
3348 		pool->base.timing_generators[i] = dcn20_timing_generator_create(
3349 				ctx, i);
3350 		if (pool->base.timing_generators[i] == NULL) {
3351 			BREAK_TO_DEBUGGER();
3352 			dm_error("DC: failed to create tg!\n");
3353 			goto create_fail;
3354 		}
3355 	}
3356 
3357 	pool->base.timing_generator_count = i;
3358 
3359 	pool->base.mpc = dcn20_mpc_create(ctx);
3360 	if (pool->base.mpc == NULL) {
3361 		BREAK_TO_DEBUGGER();
3362 		dm_error("DC: failed to create mpc!\n");
3363 		goto create_fail;
3364 	}
3365 
3366 	pool->base.hubbub = dcn20_hubbub_create(ctx);
3367 	if (pool->base.hubbub == NULL) {
3368 		BREAK_TO_DEBUGGER();
3369 		dm_error("DC: failed to create hubbub!\n");
3370 		goto create_fail;
3371 	}
3372 
3373 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
3374 	for (i = 0; i < pool->base.res_cap->num_dsc; i++) {
3375 		pool->base.dscs[i] = dcn20_dsc_create(ctx, i);
3376 		if (pool->base.dscs[i] == NULL) {
3377 			BREAK_TO_DEBUGGER();
3378 			dm_error("DC: failed to create display stream compressor %d!\n", i);
3379 			goto create_fail;
3380 		}
3381 	}
3382 #endif
3383 
3384 	if (!dcn20_dwbc_create(ctx, &pool->base)) {
3385 		BREAK_TO_DEBUGGER();
3386 		dm_error("DC: failed to create dwbc!\n");
3387 		goto create_fail;
3388 	}
3389 	if (!dcn20_mmhubbub_create(ctx, &pool->base)) {
3390 		BREAK_TO_DEBUGGER();
3391 		dm_error("DC: failed to create mcif_wb!\n");
3392 		goto create_fail;
3393 	}
3394 
3395 	if (!resource_construct(num_virtual_links, dc, &pool->base,
3396 			(!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
3397 			&res_create_funcs : &res_create_maximus_funcs)))
3398 			goto create_fail;
3399 
3400 	dcn20_hw_sequencer_construct(dc);
3401 
3402 	dc->caps.max_planes =  pool->base.pipe_count;
3403 
3404 	for (i = 0; i < dc->caps.max_planes; ++i)
3405 		dc->caps.planes[i] = plane_cap;
3406 
3407 	dc->cap_funcs = cap_funcs;
3408 
3409 	return true;
3410 
3411 create_fail:
3412 
3413 	destruct(pool);
3414 
3415 	return false;
3416 }
3417 
3418 struct resource_pool *dcn20_create_resource_pool(
3419 		const struct dc_init_data *init_data,
3420 		struct dc *dc)
3421 {
3422 	struct dcn20_resource_pool *pool =
3423 		kzalloc(sizeof(struct dcn20_resource_pool), GFP_KERNEL);
3424 
3425 	if (!pool)
3426 		return NULL;
3427 
3428 	if (construct(init_data->num_virtual_links, dc, pool))
3429 		return &pool->base;
3430 
3431 	BREAK_TO_DEBUGGER();
3432 	kfree(pool);
3433 	return NULL;
3434 }
3435