xref: /openbmc/linux/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c (revision 901bdf5ea1a836400ee69aa32b04e9c209271ec7)
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 #include <linux/delay.h>
26 
27 #include "dm_services.h"
28 #include "basics/dc_common.h"
29 #include "dm_helpers.h"
30 #include "core_types.h"
31 #include "resource.h"
32 #include "dcn20_resource.h"
33 #include "dcn20_hwseq.h"
34 #include "dce/dce_hwseq.h"
35 #include "dcn20_dsc.h"
36 #include "dcn20_optc.h"
37 #include "abm.h"
38 #include "clk_mgr.h"
39 #include "dmcu.h"
40 #include "hubp.h"
41 #include "timing_generator.h"
42 #include "opp.h"
43 #include "ipp.h"
44 #include "mpc.h"
45 #include "mcif_wb.h"
46 #include "dchubbub.h"
47 #include "reg_helper.h"
48 #include "dcn10/dcn10_cm_common.h"
49 #include "vm_helper.h"
50 #include "dccg.h"
51 #include "dc_dmub_srv.h"
52 #include "dce/dmub_hw_lock_mgr.h"
53 #include "hw_sequencer.h"
54 #include "dpcd_defs.h"
55 #include "inc/link_enc_cfg.h"
56 #include "link_hwss.h"
57 #include "link.h"
58 
59 #define DC_LOGGER_INIT(logger)
60 
61 #define CTX \
62 	hws->ctx
63 #define REG(reg)\
64 	hws->regs->reg
65 
66 #undef FN
67 #define FN(reg_name, field_name) \
68 	hws->shifts->field_name, hws->masks->field_name
69 
70 static int find_free_gsl_group(const struct dc *dc)
71 {
72 	if (dc->res_pool->gsl_groups.gsl_0 == 0)
73 		return 1;
74 	if (dc->res_pool->gsl_groups.gsl_1 == 0)
75 		return 2;
76 	if (dc->res_pool->gsl_groups.gsl_2 == 0)
77 		return 3;
78 
79 	return 0;
80 }
81 
82 /* NOTE: This is not a generic setup_gsl function (hence the suffix as_lock)
83  * This is only used to lock pipes in pipe splitting case with immediate flip
84  * Ordinary MPC/OTG locks suppress VUPDATE which doesn't help with immediate,
85  * so we get tearing with freesync since we cannot flip multiple pipes
86  * atomically.
87  * We use GSL for this:
88  * - immediate flip: find first available GSL group if not already assigned
89  *                   program gsl with that group, set current OTG as master
90  *                   and always us 0x4 = AND of flip_ready from all pipes
91  * - vsync flip: disable GSL if used
92  *
93  * Groups in stream_res are stored as +1 from HW registers, i.e.
94  * gsl_0 <=> pipe_ctx->stream_res.gsl_group == 1
95  * Using a magic value like -1 would require tracking all inits/resets
96  */
97 static void dcn20_setup_gsl_group_as_lock(
98 		const struct dc *dc,
99 		struct pipe_ctx *pipe_ctx,
100 		bool enable)
101 {
102 	struct gsl_params gsl;
103 	int group_idx;
104 
105 	memset(&gsl, 0, sizeof(struct gsl_params));
106 
107 	if (enable) {
108 		/* return if group already assigned since GSL was set up
109 		 * for vsync flip, we would unassign so it can't be "left over"
110 		 */
111 		if (pipe_ctx->stream_res.gsl_group > 0)
112 			return;
113 
114 		group_idx = find_free_gsl_group(dc);
115 		ASSERT(group_idx != 0);
116 		pipe_ctx->stream_res.gsl_group = group_idx;
117 
118 		/* set gsl group reg field and mark resource used */
119 		switch (group_idx) {
120 		case 1:
121 			gsl.gsl0_en = 1;
122 			dc->res_pool->gsl_groups.gsl_0 = 1;
123 			break;
124 		case 2:
125 			gsl.gsl1_en = 1;
126 			dc->res_pool->gsl_groups.gsl_1 = 1;
127 			break;
128 		case 3:
129 			gsl.gsl2_en = 1;
130 			dc->res_pool->gsl_groups.gsl_2 = 1;
131 			break;
132 		default:
133 			BREAK_TO_DEBUGGER();
134 			return; // invalid case
135 		}
136 		gsl.gsl_master_en = 1;
137 	} else {
138 		group_idx = pipe_ctx->stream_res.gsl_group;
139 		if (group_idx == 0)
140 			return; // if not in use, just return
141 
142 		pipe_ctx->stream_res.gsl_group = 0;
143 
144 		/* unset gsl group reg field and mark resource free */
145 		switch (group_idx) {
146 		case 1:
147 			gsl.gsl0_en = 0;
148 			dc->res_pool->gsl_groups.gsl_0 = 0;
149 			break;
150 		case 2:
151 			gsl.gsl1_en = 0;
152 			dc->res_pool->gsl_groups.gsl_1 = 0;
153 			break;
154 		case 3:
155 			gsl.gsl2_en = 0;
156 			dc->res_pool->gsl_groups.gsl_2 = 0;
157 			break;
158 		default:
159 			BREAK_TO_DEBUGGER();
160 			return;
161 		}
162 		gsl.gsl_master_en = 0;
163 	}
164 
165 	/* at this point we want to program whether it's to enable or disable */
166 	if (pipe_ctx->stream_res.tg->funcs->set_gsl != NULL &&
167 		pipe_ctx->stream_res.tg->funcs->set_gsl_source_select != NULL) {
168 		pipe_ctx->stream_res.tg->funcs->set_gsl(
169 			pipe_ctx->stream_res.tg,
170 			&gsl);
171 
172 		pipe_ctx->stream_res.tg->funcs->set_gsl_source_select(
173 			pipe_ctx->stream_res.tg, group_idx,	enable ? 4 : 0);
174 	} else
175 		BREAK_TO_DEBUGGER();
176 }
177 
178 void dcn20_set_flip_control_gsl(
179 		struct pipe_ctx *pipe_ctx,
180 		bool flip_immediate)
181 {
182 	if (pipe_ctx && pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl)
183 		pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl(
184 				pipe_ctx->plane_res.hubp, flip_immediate);
185 
186 }
187 
188 void dcn20_enable_power_gating_plane(
189 	struct dce_hwseq *hws,
190 	bool enable)
191 {
192 	bool force_on = true; /* disable power gating */
193 	uint32_t org_ip_request_cntl = 0;
194 
195 	if (enable)
196 		force_on = false;
197 
198 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
199 	if (org_ip_request_cntl == 0)
200 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
201 
202 	/* DCHUBP0/1/2/3/4/5 */
203 	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN0_POWER_FORCEON, force_on);
204 	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN2_POWER_FORCEON, force_on);
205 	REG_UPDATE(DOMAIN4_PG_CONFIG, DOMAIN4_POWER_FORCEON, force_on);
206 	REG_UPDATE(DOMAIN6_PG_CONFIG, DOMAIN6_POWER_FORCEON, force_on);
207 	if (REG(DOMAIN8_PG_CONFIG))
208 		REG_UPDATE(DOMAIN8_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
209 	if (REG(DOMAIN10_PG_CONFIG))
210 		REG_UPDATE(DOMAIN10_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
211 
212 	/* DPP0/1/2/3/4/5 */
213 	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN1_POWER_FORCEON, force_on);
214 	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN3_POWER_FORCEON, force_on);
215 	REG_UPDATE(DOMAIN5_PG_CONFIG, DOMAIN5_POWER_FORCEON, force_on);
216 	REG_UPDATE(DOMAIN7_PG_CONFIG, DOMAIN7_POWER_FORCEON, force_on);
217 	if (REG(DOMAIN9_PG_CONFIG))
218 		REG_UPDATE(DOMAIN9_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
219 	if (REG(DOMAIN11_PG_CONFIG))
220 		REG_UPDATE(DOMAIN11_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
221 
222 	/* DCS0/1/2/3/4/5 */
223 	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN16_POWER_FORCEON, force_on);
224 	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN17_POWER_FORCEON, force_on);
225 	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN18_POWER_FORCEON, force_on);
226 	if (REG(DOMAIN19_PG_CONFIG))
227 		REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN19_POWER_FORCEON, force_on);
228 	if (REG(DOMAIN20_PG_CONFIG))
229 		REG_UPDATE(DOMAIN20_PG_CONFIG, DOMAIN20_POWER_FORCEON, force_on);
230 	if (REG(DOMAIN21_PG_CONFIG))
231 		REG_UPDATE(DOMAIN21_PG_CONFIG, DOMAIN21_POWER_FORCEON, force_on);
232 
233 	if (org_ip_request_cntl == 0)
234 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
235 
236 }
237 
238 void dcn20_dccg_init(struct dce_hwseq *hws)
239 {
240 	/*
241 	 * set MICROSECOND_TIME_BASE_DIV
242 	 * 100Mhz refclk -> 0x120264
243 	 * 27Mhz refclk -> 0x12021b
244 	 * 48Mhz refclk -> 0x120230
245 	 *
246 	 */
247 	REG_WRITE(MICROSECOND_TIME_BASE_DIV, 0x120264);
248 
249 	/*
250 	 * set MILLISECOND_TIME_BASE_DIV
251 	 * 100Mhz refclk -> 0x1186a0
252 	 * 27Mhz refclk -> 0x106978
253 	 * 48Mhz refclk -> 0x10bb80
254 	 *
255 	 */
256 	REG_WRITE(MILLISECOND_TIME_BASE_DIV, 0x1186a0);
257 
258 	/* This value is dependent on the hardware pipeline delay so set once per SOC */
259 	REG_WRITE(DISPCLK_FREQ_CHANGE_CNTL, 0xe01003c);
260 }
261 
262 void dcn20_disable_vga(
263 	struct dce_hwseq *hws)
264 {
265 	REG_WRITE(D1VGA_CONTROL, 0);
266 	REG_WRITE(D2VGA_CONTROL, 0);
267 	REG_WRITE(D3VGA_CONTROL, 0);
268 	REG_WRITE(D4VGA_CONTROL, 0);
269 	REG_WRITE(D5VGA_CONTROL, 0);
270 	REG_WRITE(D6VGA_CONTROL, 0);
271 }
272 
273 void dcn20_program_triple_buffer(
274 	const struct dc *dc,
275 	struct pipe_ctx *pipe_ctx,
276 	bool enable_triple_buffer)
277 {
278 	if (pipe_ctx->plane_res.hubp && pipe_ctx->plane_res.hubp->funcs) {
279 		pipe_ctx->plane_res.hubp->funcs->hubp_enable_tripleBuffer(
280 			pipe_ctx->plane_res.hubp,
281 			enable_triple_buffer);
282 	}
283 }
284 
285 /* Blank pixel data during initialization */
286 void dcn20_init_blank(
287 		struct dc *dc,
288 		struct timing_generator *tg)
289 {
290 	struct dce_hwseq *hws = dc->hwseq;
291 	enum dc_color_space color_space;
292 	struct tg_color black_color = {0};
293 	struct output_pixel_processor *opp = NULL;
294 	struct output_pixel_processor *bottom_opp = NULL;
295 	uint32_t num_opps, opp_id_src0, opp_id_src1;
296 	uint32_t otg_active_width, otg_active_height;
297 
298 	/* program opp dpg blank color */
299 	color_space = COLOR_SPACE_SRGB;
300 	color_space_to_black_color(dc, color_space, &black_color);
301 
302 	/* get the OTG active size */
303 	tg->funcs->get_otg_active_size(tg,
304 			&otg_active_width,
305 			&otg_active_height);
306 
307 	/* get the OPTC source */
308 	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
309 
310 	if (opp_id_src0 >= dc->res_pool->res_cap->num_opp) {
311 		ASSERT(false);
312 		return;
313 	}
314 	opp = dc->res_pool->opps[opp_id_src0];
315 
316 	/* don't override the blank pattern if already enabled with the correct one. */
317 	if (opp->funcs->dpg_is_blanked && opp->funcs->dpg_is_blanked(opp))
318 		return;
319 
320 	if (num_opps == 2) {
321 		otg_active_width = otg_active_width / 2;
322 
323 		if (opp_id_src1 >= dc->res_pool->res_cap->num_opp) {
324 			ASSERT(false);
325 			return;
326 		}
327 		bottom_opp = dc->res_pool->opps[opp_id_src1];
328 	}
329 
330 	opp->funcs->opp_set_disp_pattern_generator(
331 			opp,
332 			CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
333 			CONTROLLER_DP_COLOR_SPACE_UDEFINED,
334 			COLOR_DEPTH_UNDEFINED,
335 			&black_color,
336 			otg_active_width,
337 			otg_active_height,
338 			0);
339 
340 	if (num_opps == 2) {
341 		bottom_opp->funcs->opp_set_disp_pattern_generator(
342 				bottom_opp,
343 				CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
344 				CONTROLLER_DP_COLOR_SPACE_UDEFINED,
345 				COLOR_DEPTH_UNDEFINED,
346 				&black_color,
347 				otg_active_width,
348 				otg_active_height,
349 				0);
350 	}
351 
352 	hws->funcs.wait_for_blank_complete(opp);
353 }
354 
355 void dcn20_dsc_pg_control(
356 		struct dce_hwseq *hws,
357 		unsigned int dsc_inst,
358 		bool power_on)
359 {
360 	uint32_t power_gate = power_on ? 0 : 1;
361 	uint32_t pwr_status = power_on ? 0 : 2;
362 	uint32_t org_ip_request_cntl = 0;
363 
364 	if (hws->ctx->dc->debug.disable_dsc_power_gate)
365 		return;
366 
367 	if (REG(DOMAIN16_PG_CONFIG) == 0)
368 		return;
369 
370 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
371 	if (org_ip_request_cntl == 0)
372 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
373 
374 	switch (dsc_inst) {
375 	case 0: /* DSC0 */
376 		REG_UPDATE(DOMAIN16_PG_CONFIG,
377 				DOMAIN16_POWER_GATE, power_gate);
378 
379 		REG_WAIT(DOMAIN16_PG_STATUS,
380 				DOMAIN16_PGFSM_PWR_STATUS, pwr_status,
381 				1, 1000);
382 		break;
383 	case 1: /* DSC1 */
384 		REG_UPDATE(DOMAIN17_PG_CONFIG,
385 				DOMAIN17_POWER_GATE, power_gate);
386 
387 		REG_WAIT(DOMAIN17_PG_STATUS,
388 				DOMAIN17_PGFSM_PWR_STATUS, pwr_status,
389 				1, 1000);
390 		break;
391 	case 2: /* DSC2 */
392 		REG_UPDATE(DOMAIN18_PG_CONFIG,
393 				DOMAIN18_POWER_GATE, power_gate);
394 
395 		REG_WAIT(DOMAIN18_PG_STATUS,
396 				DOMAIN18_PGFSM_PWR_STATUS, pwr_status,
397 				1, 1000);
398 		break;
399 	case 3: /* DSC3 */
400 		REG_UPDATE(DOMAIN19_PG_CONFIG,
401 				DOMAIN19_POWER_GATE, power_gate);
402 
403 		REG_WAIT(DOMAIN19_PG_STATUS,
404 				DOMAIN19_PGFSM_PWR_STATUS, pwr_status,
405 				1, 1000);
406 		break;
407 	case 4: /* DSC4 */
408 		REG_UPDATE(DOMAIN20_PG_CONFIG,
409 				DOMAIN20_POWER_GATE, power_gate);
410 
411 		REG_WAIT(DOMAIN20_PG_STATUS,
412 				DOMAIN20_PGFSM_PWR_STATUS, pwr_status,
413 				1, 1000);
414 		break;
415 	case 5: /* DSC5 */
416 		REG_UPDATE(DOMAIN21_PG_CONFIG,
417 				DOMAIN21_POWER_GATE, power_gate);
418 
419 		REG_WAIT(DOMAIN21_PG_STATUS,
420 				DOMAIN21_PGFSM_PWR_STATUS, pwr_status,
421 				1, 1000);
422 		break;
423 	default:
424 		BREAK_TO_DEBUGGER();
425 		break;
426 	}
427 
428 	if (org_ip_request_cntl == 0)
429 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
430 }
431 
432 void dcn20_dpp_pg_control(
433 		struct dce_hwseq *hws,
434 		unsigned int dpp_inst,
435 		bool power_on)
436 {
437 	uint32_t power_gate = power_on ? 0 : 1;
438 	uint32_t pwr_status = power_on ? 0 : 2;
439 
440 	if (hws->ctx->dc->debug.disable_dpp_power_gate)
441 		return;
442 	if (REG(DOMAIN1_PG_CONFIG) == 0)
443 		return;
444 
445 	switch (dpp_inst) {
446 	case 0: /* DPP0 */
447 		REG_UPDATE(DOMAIN1_PG_CONFIG,
448 				DOMAIN1_POWER_GATE, power_gate);
449 
450 		REG_WAIT(DOMAIN1_PG_STATUS,
451 				DOMAIN1_PGFSM_PWR_STATUS, pwr_status,
452 				1, 1000);
453 		break;
454 	case 1: /* DPP1 */
455 		REG_UPDATE(DOMAIN3_PG_CONFIG,
456 				DOMAIN3_POWER_GATE, power_gate);
457 
458 		REG_WAIT(DOMAIN3_PG_STATUS,
459 				DOMAIN3_PGFSM_PWR_STATUS, pwr_status,
460 				1, 1000);
461 		break;
462 	case 2: /* DPP2 */
463 		REG_UPDATE(DOMAIN5_PG_CONFIG,
464 				DOMAIN5_POWER_GATE, power_gate);
465 
466 		REG_WAIT(DOMAIN5_PG_STATUS,
467 				DOMAIN5_PGFSM_PWR_STATUS, pwr_status,
468 				1, 1000);
469 		break;
470 	case 3: /* DPP3 */
471 		REG_UPDATE(DOMAIN7_PG_CONFIG,
472 				DOMAIN7_POWER_GATE, power_gate);
473 
474 		REG_WAIT(DOMAIN7_PG_STATUS,
475 				DOMAIN7_PGFSM_PWR_STATUS, pwr_status,
476 				1, 1000);
477 		break;
478 	case 4: /* DPP4 */
479 		REG_UPDATE(DOMAIN9_PG_CONFIG,
480 				DOMAIN9_POWER_GATE, power_gate);
481 
482 		REG_WAIT(DOMAIN9_PG_STATUS,
483 				DOMAIN9_PGFSM_PWR_STATUS, pwr_status,
484 				1, 1000);
485 		break;
486 	case 5: /* DPP5 */
487 		/*
488 		 * Do not power gate DPP5, should be left at HW default, power on permanently.
489 		 * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
490 		 * reset.
491 		 * REG_UPDATE(DOMAIN11_PG_CONFIG,
492 		 *		DOMAIN11_POWER_GATE, power_gate);
493 		 *
494 		 * REG_WAIT(DOMAIN11_PG_STATUS,
495 		 *		DOMAIN11_PGFSM_PWR_STATUS, pwr_status,
496 		 * 		1, 1000);
497 		 */
498 		break;
499 	default:
500 		BREAK_TO_DEBUGGER();
501 		break;
502 	}
503 }
504 
505 
506 void dcn20_hubp_pg_control(
507 		struct dce_hwseq *hws,
508 		unsigned int hubp_inst,
509 		bool power_on)
510 {
511 	uint32_t power_gate = power_on ? 0 : 1;
512 	uint32_t pwr_status = power_on ? 0 : 2;
513 
514 	if (hws->ctx->dc->debug.disable_hubp_power_gate)
515 		return;
516 	if (REG(DOMAIN0_PG_CONFIG) == 0)
517 		return;
518 
519 	switch (hubp_inst) {
520 	case 0: /* DCHUBP0 */
521 		REG_UPDATE(DOMAIN0_PG_CONFIG,
522 				DOMAIN0_POWER_GATE, power_gate);
523 
524 		REG_WAIT(DOMAIN0_PG_STATUS,
525 				DOMAIN0_PGFSM_PWR_STATUS, pwr_status,
526 				1, 1000);
527 		break;
528 	case 1: /* DCHUBP1 */
529 		REG_UPDATE(DOMAIN2_PG_CONFIG,
530 				DOMAIN2_POWER_GATE, power_gate);
531 
532 		REG_WAIT(DOMAIN2_PG_STATUS,
533 				DOMAIN2_PGFSM_PWR_STATUS, pwr_status,
534 				1, 1000);
535 		break;
536 	case 2: /* DCHUBP2 */
537 		REG_UPDATE(DOMAIN4_PG_CONFIG,
538 				DOMAIN4_POWER_GATE, power_gate);
539 
540 		REG_WAIT(DOMAIN4_PG_STATUS,
541 				DOMAIN4_PGFSM_PWR_STATUS, pwr_status,
542 				1, 1000);
543 		break;
544 	case 3: /* DCHUBP3 */
545 		REG_UPDATE(DOMAIN6_PG_CONFIG,
546 				DOMAIN6_POWER_GATE, power_gate);
547 
548 		REG_WAIT(DOMAIN6_PG_STATUS,
549 				DOMAIN6_PGFSM_PWR_STATUS, pwr_status,
550 				1, 1000);
551 		break;
552 	case 4: /* DCHUBP4 */
553 		REG_UPDATE(DOMAIN8_PG_CONFIG,
554 				DOMAIN8_POWER_GATE, power_gate);
555 
556 		REG_WAIT(DOMAIN8_PG_STATUS,
557 				DOMAIN8_PGFSM_PWR_STATUS, pwr_status,
558 				1, 1000);
559 		break;
560 	case 5: /* DCHUBP5 */
561 		/*
562 		 * Do not power gate DCHUB5, should be left at HW default, power on permanently.
563 		 * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
564 		 * reset.
565 		 * REG_UPDATE(DOMAIN10_PG_CONFIG,
566 		 *		DOMAIN10_POWER_GATE, power_gate);
567 		 *
568 		 * REG_WAIT(DOMAIN10_PG_STATUS,
569 		 *		DOMAIN10_PGFSM_PWR_STATUS, pwr_status,
570 		 *		1, 1000);
571 		 */
572 		break;
573 	default:
574 		BREAK_TO_DEBUGGER();
575 		break;
576 	}
577 }
578 
579 
580 /* disable HW used by plane.
581  * note:  cannot disable until disconnect is complete
582  */
583 void dcn20_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
584 {
585 	struct dce_hwseq *hws = dc->hwseq;
586 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
587 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
588 
589 	dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe_ctx);
590 
591 	/* In flip immediate with pipe splitting case GSL is used for
592 	 * synchronization so we must disable it when the plane is disabled.
593 	 */
594 	if (pipe_ctx->stream_res.gsl_group != 0)
595 		dcn20_setup_gsl_group_as_lock(dc, pipe_ctx, false);
596 
597 	if (hubp->funcs->hubp_update_mall_sel)
598 		hubp->funcs->hubp_update_mall_sel(hubp, 0, false);
599 
600 	dc->hwss.set_flip_control_gsl(pipe_ctx, false);
601 
602 	hubp->funcs->hubp_clk_cntl(hubp, false);
603 
604 	dpp->funcs->dpp_dppclk_control(dpp, false, false);
605 
606 	hubp->power_gated = true;
607 
608 	hws->funcs.plane_atomic_power_down(dc,
609 			pipe_ctx->plane_res.dpp,
610 			pipe_ctx->plane_res.hubp);
611 
612 	pipe_ctx->stream = NULL;
613 	memset(&pipe_ctx->stream_res, 0, sizeof(pipe_ctx->stream_res));
614 	memset(&pipe_ctx->plane_res, 0, sizeof(pipe_ctx->plane_res));
615 	pipe_ctx->top_pipe = NULL;
616 	pipe_ctx->bottom_pipe = NULL;
617 	pipe_ctx->plane_state = NULL;
618 }
619 
620 
621 void dcn20_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx)
622 {
623 	bool is_phantom = pipe_ctx->plane_state && pipe_ctx->plane_state->is_phantom;
624 	struct timing_generator *tg = is_phantom ? pipe_ctx->stream_res.tg : NULL;
625 
626 	DC_LOGGER_INIT(dc->ctx->logger);
627 
628 	if (!pipe_ctx->plane_res.hubp || pipe_ctx->plane_res.hubp->power_gated)
629 		return;
630 
631 	dcn20_plane_atomic_disable(dc, pipe_ctx);
632 
633 	/* Turn back off the phantom OTG after the phantom plane is fully disabled
634 	 */
635 	if (is_phantom)
636 		if (tg && tg->funcs->disable_phantom_crtc)
637 			tg->funcs->disable_phantom_crtc(tg);
638 
639 	DC_LOG_DC("Power down front end %d\n",
640 					pipe_ctx->pipe_idx);
641 }
642 
643 void dcn20_disable_pixel_data(struct dc *dc, struct pipe_ctx *pipe_ctx, bool blank)
644 {
645 	dcn20_blank_pixel_data(dc, pipe_ctx, blank);
646 }
647 
648 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
649 		int opp_cnt)
650 {
651 	bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
652 	int flow_ctrl_cnt;
653 
654 	if (opp_cnt >= 2)
655 		hblank_halved = true;
656 
657 	flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
658 			stream->timing.h_border_left -
659 			stream->timing.h_border_right;
660 
661 	if (hblank_halved)
662 		flow_ctrl_cnt /= 2;
663 
664 	/* ODM combine 4:1 case */
665 	if (opp_cnt == 4)
666 		flow_ctrl_cnt /= 2;
667 
668 	return flow_ctrl_cnt;
669 }
670 
671 enum dc_status dcn20_enable_stream_timing(
672 		struct pipe_ctx *pipe_ctx,
673 		struct dc_state *context,
674 		struct dc *dc)
675 {
676 	struct dce_hwseq *hws = dc->hwseq;
677 	struct dc_stream_state *stream = pipe_ctx->stream;
678 	struct drr_params params = {0};
679 	unsigned int event_triggers = 0;
680 	struct pipe_ctx *odm_pipe;
681 	int opp_cnt = 1;
682 	int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
683 	bool interlace = stream->timing.flags.INTERLACE;
684 	int i;
685 	struct mpc_dwb_flow_control flow_control;
686 	struct mpc *mpc = dc->res_pool->mpc;
687 	bool rate_control_2x_pclk = (interlace || optc2_is_two_pixels_per_containter(&stream->timing));
688 	unsigned int k1_div = PIXEL_RATE_DIV_NA;
689 	unsigned int k2_div = PIXEL_RATE_DIV_NA;
690 
691 	if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) {
692 		hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
693 
694 		dc->res_pool->dccg->funcs->set_pixel_rate_div(
695 			dc->res_pool->dccg,
696 			pipe_ctx->stream_res.tg->inst,
697 			k1_div, k2_div);
698 	}
699 	/* by upper caller loop, pipe0 is parent pipe and be called first.
700 	 * back end is set up by for pipe0. Other children pipe share back end
701 	 * with pipe 0. No program is needed.
702 	 */
703 	if (pipe_ctx->top_pipe != NULL)
704 		return DC_OK;
705 
706 	/* TODO check if timing_changed, disable stream if timing changed */
707 
708 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
709 		opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
710 		opp_cnt++;
711 	}
712 
713 	if (opp_cnt > 1)
714 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
715 				pipe_ctx->stream_res.tg,
716 				opp_inst, opp_cnt,
717 				&pipe_ctx->stream->timing);
718 
719 	/* HW program guide assume display already disable
720 	 * by unplug sequence. OTG assume stop.
721 	 */
722 	pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, true);
723 
724 	if (false == pipe_ctx->clock_source->funcs->program_pix_clk(
725 			pipe_ctx->clock_source,
726 			&pipe_ctx->stream_res.pix_clk_params,
727 			dc->link_srv->dp_get_encoding_format(&pipe_ctx->link_config.dp_link_settings),
728 			&pipe_ctx->pll_settings)) {
729 		BREAK_TO_DEBUGGER();
730 		return DC_ERROR_UNEXPECTED;
731 	}
732 
733 	if (dc_is_hdmi_tmds_signal(stream->signal)) {
734 		stream->link->phy_state.symclk_ref_cnts.otg = 1;
735 		if (stream->link->phy_state.symclk_state == SYMCLK_OFF_TX_OFF)
736 			stream->link->phy_state.symclk_state = SYMCLK_ON_TX_OFF;
737 		else
738 			stream->link->phy_state.symclk_state = SYMCLK_ON_TX_ON;
739 	}
740 
741 	if (dc->hwseq->funcs.PLAT_58856_wa && (!dc_is_dp_signal(stream->signal)))
742 		dc->hwseq->funcs.PLAT_58856_wa(context, pipe_ctx);
743 
744 	pipe_ctx->stream_res.tg->funcs->program_timing(
745 			pipe_ctx->stream_res.tg,
746 			&stream->timing,
747 			pipe_ctx->pipe_dlg_param.vready_offset,
748 			pipe_ctx->pipe_dlg_param.vstartup_start,
749 			pipe_ctx->pipe_dlg_param.vupdate_offset,
750 			pipe_ctx->pipe_dlg_param.vupdate_width,
751 			pipe_ctx->stream->signal,
752 			true);
753 
754 	rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
755 	flow_control.flow_ctrl_mode = 0;
756 	flow_control.flow_ctrl_cnt0 = 0x80;
757 	flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(stream, opp_cnt);
758 	if (mpc->funcs->set_out_rate_control) {
759 		for (i = 0; i < opp_cnt; ++i) {
760 			mpc->funcs->set_out_rate_control(
761 					mpc, opp_inst[i],
762 					true,
763 					rate_control_2x_pclk,
764 					&flow_control);
765 		}
766 	}
767 
768 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
769 		odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
770 				odm_pipe->stream_res.opp,
771 				true);
772 
773 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
774 			pipe_ctx->stream_res.opp,
775 			true);
776 
777 	hws->funcs.blank_pixel_data(dc, pipe_ctx, true);
778 
779 	/* VTG is  within DCHUB command block. DCFCLK is always on */
780 	if (false == pipe_ctx->stream_res.tg->funcs->enable_crtc(pipe_ctx->stream_res.tg)) {
781 		BREAK_TO_DEBUGGER();
782 		return DC_ERROR_UNEXPECTED;
783 	}
784 
785 	hws->funcs.wait_for_blank_complete(pipe_ctx->stream_res.opp);
786 
787 	params.vertical_total_min = stream->adjust.v_total_min;
788 	params.vertical_total_max = stream->adjust.v_total_max;
789 	params.vertical_total_mid = stream->adjust.v_total_mid;
790 	params.vertical_total_mid_frame_num = stream->adjust.v_total_mid_frame_num;
791 	if (pipe_ctx->stream_res.tg->funcs->set_drr)
792 		pipe_ctx->stream_res.tg->funcs->set_drr(
793 			pipe_ctx->stream_res.tg, &params);
794 
795 	// DRR should set trigger event to monitor surface update event
796 	if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0)
797 		event_triggers = 0x80;
798 	/* Event triggers and num frames initialized for DRR, but can be
799 	 * later updated for PSR use. Note DRR trigger events are generated
800 	 * regardless of whether num frames met.
801 	 */
802 	if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control)
803 		pipe_ctx->stream_res.tg->funcs->set_static_screen_control(
804 				pipe_ctx->stream_res.tg, event_triggers, 2);
805 
806 	/* TODO program crtc source select for non-virtual signal*/
807 	/* TODO program FMT */
808 	/* TODO setup link_enc */
809 	/* TODO set stream attributes */
810 	/* TODO program audio */
811 	/* TODO enable stream if timing changed */
812 	/* TODO unblank stream if DP */
813 
814 	if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM) {
815 		if (pipe_ctx->stream_res.tg && pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable)
816 			pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable(pipe_ctx->stream_res.tg);
817 	}
818 	return DC_OK;
819 }
820 
821 void dcn20_program_output_csc(struct dc *dc,
822 		struct pipe_ctx *pipe_ctx,
823 		enum dc_color_space colorspace,
824 		uint16_t *matrix,
825 		int opp_id)
826 {
827 	struct mpc *mpc = dc->res_pool->mpc;
828 	enum mpc_output_csc_mode ocsc_mode = MPC_OUTPUT_CSC_COEF_A;
829 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
830 
831 	if (mpc->funcs->power_on_mpc_mem_pwr)
832 		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
833 
834 	if (pipe_ctx->stream->csc_color_matrix.enable_adjustment == true) {
835 		if (mpc->funcs->set_output_csc != NULL)
836 			mpc->funcs->set_output_csc(mpc,
837 					opp_id,
838 					matrix,
839 					ocsc_mode);
840 	} else {
841 		if (mpc->funcs->set_ocsc_default != NULL)
842 			mpc->funcs->set_ocsc_default(mpc,
843 					opp_id,
844 					colorspace,
845 					ocsc_mode);
846 	}
847 }
848 
849 bool dcn20_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
850 				const struct dc_stream_state *stream)
851 {
852 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
853 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
854 	struct pwl_params *params = NULL;
855 	/*
856 	 * program OGAM only for the top pipe
857 	 * if there is a pipe split then fix diagnostic is required:
858 	 * how to pass OGAM parameter for stream.
859 	 * if programming for all pipes is required then remove condition
860 	 * pipe_ctx->top_pipe == NULL ,but then fix the diagnostic.
861 	 */
862 	if (mpc->funcs->power_on_mpc_mem_pwr)
863 		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
864 	if (pipe_ctx->top_pipe == NULL
865 			&& mpc->funcs->set_output_gamma && stream->out_transfer_func) {
866 		if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
867 			params = &stream->out_transfer_func->pwl;
868 		else if (pipe_ctx->stream->out_transfer_func->type ==
869 			TF_TYPE_DISTRIBUTED_POINTS &&
870 			cm_helper_translate_curve_to_hw_format(
871 			stream->out_transfer_func,
872 			&mpc->blender_params, false))
873 			params = &mpc->blender_params;
874 		/*
875 		 * there is no ROM
876 		 */
877 		if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
878 			BREAK_TO_DEBUGGER();
879 	}
880 	/*
881 	 * if above if is not executed then 'params' equal to 0 and set in bypass
882 	 */
883 	mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
884 
885 	return true;
886 }
887 
888 bool dcn20_set_blend_lut(
889 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
890 {
891 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
892 	bool result = true;
893 	struct pwl_params *blend_lut = NULL;
894 
895 	if (plane_state->blend_tf) {
896 		if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
897 			blend_lut = &plane_state->blend_tf->pwl;
898 		else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
899 			cm_helper_translate_curve_to_hw_format(
900 					plane_state->blend_tf,
901 					&dpp_base->regamma_params, false);
902 			blend_lut = &dpp_base->regamma_params;
903 		}
904 	}
905 	result = dpp_base->funcs->dpp_program_blnd_lut(dpp_base, blend_lut);
906 
907 	return result;
908 }
909 
910 bool dcn20_set_shaper_3dlut(
911 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
912 {
913 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
914 	bool result = true;
915 	struct pwl_params *shaper_lut = NULL;
916 
917 	if (plane_state->in_shaper_func) {
918 		if (plane_state->in_shaper_func->type == TF_TYPE_HWPWL)
919 			shaper_lut = &plane_state->in_shaper_func->pwl;
920 		else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) {
921 			cm_helper_translate_curve_to_hw_format(
922 					plane_state->in_shaper_func,
923 					&dpp_base->shaper_params, true);
924 			shaper_lut = &dpp_base->shaper_params;
925 		}
926 	}
927 
928 	result = dpp_base->funcs->dpp_program_shaper_lut(dpp_base, shaper_lut);
929 	if (plane_state->lut3d_func &&
930 		plane_state->lut3d_func->state.bits.initialized == 1)
931 		result = dpp_base->funcs->dpp_program_3dlut(dpp_base,
932 								&plane_state->lut3d_func->lut_3d);
933 	else
934 		result = dpp_base->funcs->dpp_program_3dlut(dpp_base, NULL);
935 
936 	return result;
937 }
938 
939 bool dcn20_set_input_transfer_func(struct dc *dc,
940 				struct pipe_ctx *pipe_ctx,
941 				const struct dc_plane_state *plane_state)
942 {
943 	struct dce_hwseq *hws = dc->hwseq;
944 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
945 	const struct dc_transfer_func *tf = NULL;
946 	bool result = true;
947 	bool use_degamma_ram = false;
948 
949 	if (dpp_base == NULL || plane_state == NULL)
950 		return false;
951 
952 	hws->funcs.set_shaper_3dlut(pipe_ctx, plane_state);
953 	hws->funcs.set_blend_lut(pipe_ctx, plane_state);
954 
955 	if (plane_state->in_transfer_func)
956 		tf = plane_state->in_transfer_func;
957 
958 
959 	if (tf == NULL) {
960 		dpp_base->funcs->dpp_set_degamma(dpp_base,
961 				IPP_DEGAMMA_MODE_BYPASS);
962 		return true;
963 	}
964 
965 	if (tf->type == TF_TYPE_HWPWL || tf->type == TF_TYPE_DISTRIBUTED_POINTS)
966 		use_degamma_ram = true;
967 
968 	if (use_degamma_ram == true) {
969 		if (tf->type == TF_TYPE_HWPWL)
970 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
971 					&tf->pwl);
972 		else if (tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
973 			cm_helper_translate_curve_to_degamma_hw_format(tf,
974 					&dpp_base->degamma_params);
975 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
976 				&dpp_base->degamma_params);
977 		}
978 		return true;
979 	}
980 	/* handle here the optimized cases when de-gamma ROM could be used.
981 	 *
982 	 */
983 	if (tf->type == TF_TYPE_PREDEFINED) {
984 		switch (tf->tf) {
985 		case TRANSFER_FUNCTION_SRGB:
986 			dpp_base->funcs->dpp_set_degamma(dpp_base,
987 					IPP_DEGAMMA_MODE_HW_sRGB);
988 			break;
989 		case TRANSFER_FUNCTION_BT709:
990 			dpp_base->funcs->dpp_set_degamma(dpp_base,
991 					IPP_DEGAMMA_MODE_HW_xvYCC);
992 			break;
993 		case TRANSFER_FUNCTION_LINEAR:
994 			dpp_base->funcs->dpp_set_degamma(dpp_base,
995 					IPP_DEGAMMA_MODE_BYPASS);
996 			break;
997 		case TRANSFER_FUNCTION_PQ:
998 			dpp_base->funcs->dpp_set_degamma(dpp_base, IPP_DEGAMMA_MODE_USER_PWL);
999 			cm_helper_translate_curve_to_degamma_hw_format(tf, &dpp_base->degamma_params);
1000 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base, &dpp_base->degamma_params);
1001 			result = true;
1002 			break;
1003 		default:
1004 			result = false;
1005 			break;
1006 		}
1007 	} else if (tf->type == TF_TYPE_BYPASS)
1008 		dpp_base->funcs->dpp_set_degamma(dpp_base,
1009 				IPP_DEGAMMA_MODE_BYPASS);
1010 	else {
1011 		/*
1012 		 * if we are here, we did not handle correctly.
1013 		 * fix is required for this use case
1014 		 */
1015 		BREAK_TO_DEBUGGER();
1016 		dpp_base->funcs->dpp_set_degamma(dpp_base,
1017 				IPP_DEGAMMA_MODE_BYPASS);
1018 	}
1019 
1020 	return result;
1021 }
1022 
1023 void dcn20_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
1024 {
1025 	struct pipe_ctx *odm_pipe;
1026 	int opp_cnt = 1;
1027 	int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
1028 
1029 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1030 		opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
1031 		opp_cnt++;
1032 	}
1033 
1034 	if (opp_cnt > 1)
1035 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
1036 				pipe_ctx->stream_res.tg,
1037 				opp_inst, opp_cnt,
1038 				&pipe_ctx->stream->timing);
1039 	else
1040 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
1041 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
1042 }
1043 
1044 void dcn20_blank_pixel_data(
1045 		struct dc *dc,
1046 		struct pipe_ctx *pipe_ctx,
1047 		bool blank)
1048 {
1049 	struct tg_color black_color = {0};
1050 	struct stream_resource *stream_res = &pipe_ctx->stream_res;
1051 	struct dc_stream_state *stream = pipe_ctx->stream;
1052 	enum dc_color_space color_space = stream->output_color_space;
1053 	enum controller_dp_test_pattern test_pattern = CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR;
1054 	enum controller_dp_color_space test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_UDEFINED;
1055 	struct pipe_ctx *odm_pipe;
1056 	int odm_cnt = 1;
1057 
1058 	int width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
1059 	int height = stream->timing.v_addressable + stream->timing.v_border_bottom + stream->timing.v_border_top;
1060 
1061 	if (stream->link->test_pattern_enabled)
1062 		return;
1063 
1064 	/* get opp dpg blank color */
1065 	color_space_to_black_color(dc, color_space, &black_color);
1066 
1067 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1068 		odm_cnt++;
1069 
1070 	width = width / odm_cnt;
1071 
1072 	if (blank) {
1073 		dc->hwss.set_abm_immediate_disable(pipe_ctx);
1074 
1075 		if (dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
1076 			test_pattern = CONTROLLER_DP_TEST_PATTERN_COLORSQUARES;
1077 			test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_RGB;
1078 		}
1079 	} else {
1080 		test_pattern = CONTROLLER_DP_TEST_PATTERN_VIDEOMODE;
1081 	}
1082 
1083 	dc->hwss.set_disp_pattern_generator(dc,
1084 			pipe_ctx,
1085 			test_pattern,
1086 			test_pattern_color_space,
1087 			stream->timing.display_color_depth,
1088 			&black_color,
1089 			width,
1090 			height,
1091 			0);
1092 
1093 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1094 		dc->hwss.set_disp_pattern_generator(dc,
1095 				odm_pipe,
1096 				dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE && blank ?
1097 						CONTROLLER_DP_TEST_PATTERN_COLORRAMP : test_pattern,
1098 				test_pattern_color_space,
1099 				stream->timing.display_color_depth,
1100 				&black_color,
1101 				width,
1102 				height,
1103 				0);
1104 	}
1105 
1106 	if (!blank && dc->debug.enable_single_display_2to1_odm_policy) {
1107 		/* when exiting dynamic ODM need to reinit DPG state for unused pipes */
1108 		struct pipe_ctx *old_odm_pipe = dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx].next_odm_pipe;
1109 
1110 		odm_pipe = pipe_ctx->next_odm_pipe;
1111 
1112 		while (old_odm_pipe) {
1113 			if (!odm_pipe || old_odm_pipe->pipe_idx != odm_pipe->pipe_idx)
1114 				dc->hwss.set_disp_pattern_generator(dc,
1115 						old_odm_pipe,
1116 						CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
1117 						CONTROLLER_DP_COLOR_SPACE_UDEFINED,
1118 						COLOR_DEPTH_888,
1119 						NULL,
1120 						0,
1121 						0,
1122 						0);
1123 			old_odm_pipe = old_odm_pipe->next_odm_pipe;
1124 			if (odm_pipe)
1125 				odm_pipe = odm_pipe->next_odm_pipe;
1126 		}
1127 	}
1128 
1129 	if (!blank)
1130 		if (stream_res->abm) {
1131 			dc->hwss.set_pipe(pipe_ctx);
1132 			stream_res->abm->funcs->set_abm_level(stream_res->abm, stream->abm_level);
1133 		}
1134 }
1135 
1136 
1137 static void dcn20_power_on_plane_resources(
1138 	struct dce_hwseq *hws,
1139 	struct pipe_ctx *pipe_ctx)
1140 {
1141 	DC_LOGGER_INIT(hws->ctx->logger);
1142 
1143 	if (hws->funcs.dpp_root_clock_control)
1144 		hws->funcs.dpp_root_clock_control(hws, pipe_ctx->plane_res.dpp->inst, true);
1145 
1146 	if (REG(DC_IP_REQUEST_CNTL)) {
1147 		REG_SET(DC_IP_REQUEST_CNTL, 0,
1148 				IP_REQUEST_EN, 1);
1149 
1150 		if (hws->funcs.dpp_pg_control)
1151 			hws->funcs.dpp_pg_control(hws, pipe_ctx->plane_res.dpp->inst, true);
1152 
1153 		if (hws->funcs.hubp_pg_control)
1154 			hws->funcs.hubp_pg_control(hws, pipe_ctx->plane_res.hubp->inst, true);
1155 
1156 		REG_SET(DC_IP_REQUEST_CNTL, 0,
1157 				IP_REQUEST_EN, 0);
1158 		DC_LOG_DEBUG(
1159 				"Un-gated front end for pipe %d\n", pipe_ctx->plane_res.hubp->inst);
1160 	}
1161 }
1162 
1163 static void dcn20_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
1164 			       struct dc_state *context)
1165 {
1166 	//if (dc->debug.sanity_checks) {
1167 	//	dcn10_verify_allow_pstate_change_high(dc);
1168 	//}
1169 	dcn20_power_on_plane_resources(dc->hwseq, pipe_ctx);
1170 
1171 	/* enable DCFCLK current DCHUB */
1172 	pipe_ctx->plane_res.hubp->funcs->hubp_clk_cntl(pipe_ctx->plane_res.hubp, true);
1173 
1174 	/* initialize HUBP on power up */
1175 	pipe_ctx->plane_res.hubp->funcs->hubp_init(pipe_ctx->plane_res.hubp);
1176 
1177 	/* make sure OPP_PIPE_CLOCK_EN = 1 */
1178 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
1179 			pipe_ctx->stream_res.opp,
1180 			true);
1181 
1182 /* TODO: enable/disable in dm as per update type.
1183 	if (plane_state) {
1184 		DC_LOG_DC(dc->ctx->logger,
1185 				"Pipe:%d 0x%x: addr hi:0x%x, "
1186 				"addr low:0x%x, "
1187 				"src: %d, %d, %d,"
1188 				" %d; dst: %d, %d, %d, %d;\n",
1189 				pipe_ctx->pipe_idx,
1190 				plane_state,
1191 				plane_state->address.grph.addr.high_part,
1192 				plane_state->address.grph.addr.low_part,
1193 				plane_state->src_rect.x,
1194 				plane_state->src_rect.y,
1195 				plane_state->src_rect.width,
1196 				plane_state->src_rect.height,
1197 				plane_state->dst_rect.x,
1198 				plane_state->dst_rect.y,
1199 				plane_state->dst_rect.width,
1200 				plane_state->dst_rect.height);
1201 
1202 		DC_LOG_DC(dc->ctx->logger,
1203 				"Pipe %d: width, height, x, y         format:%d\n"
1204 				"viewport:%d, %d, %d, %d\n"
1205 				"recout:  %d, %d, %d, %d\n",
1206 				pipe_ctx->pipe_idx,
1207 				plane_state->format,
1208 				pipe_ctx->plane_res.scl_data.viewport.width,
1209 				pipe_ctx->plane_res.scl_data.viewport.height,
1210 				pipe_ctx->plane_res.scl_data.viewport.x,
1211 				pipe_ctx->plane_res.scl_data.viewport.y,
1212 				pipe_ctx->plane_res.scl_data.recout.width,
1213 				pipe_ctx->plane_res.scl_data.recout.height,
1214 				pipe_ctx->plane_res.scl_data.recout.x,
1215 				pipe_ctx->plane_res.scl_data.recout.y);
1216 		print_rq_dlg_ttu(dc, pipe_ctx);
1217 	}
1218 */
1219 	if (dc->vm_pa_config.valid) {
1220 		struct vm_system_aperture_param apt;
1221 
1222 		apt.sys_default.quad_part = 0;
1223 
1224 		apt.sys_low.quad_part = dc->vm_pa_config.system_aperture.start_addr;
1225 		apt.sys_high.quad_part = dc->vm_pa_config.system_aperture.end_addr;
1226 
1227 		// Program system aperture settings
1228 		pipe_ctx->plane_res.hubp->funcs->hubp_set_vm_system_aperture_settings(pipe_ctx->plane_res.hubp, &apt);
1229 	}
1230 
1231 	if (!pipe_ctx->top_pipe
1232 		&& pipe_ctx->plane_state
1233 		&& pipe_ctx->plane_state->flip_int_enabled
1234 		&& pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int)
1235 			pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int(pipe_ctx->plane_res.hubp);
1236 
1237 //	if (dc->debug.sanity_checks) {
1238 //		dcn10_verify_allow_pstate_change_high(dc);
1239 //	}
1240 }
1241 
1242 void dcn20_pipe_control_lock(
1243 	struct dc *dc,
1244 	struct pipe_ctx *pipe,
1245 	bool lock)
1246 {
1247 	struct pipe_ctx *temp_pipe;
1248 	bool flip_immediate = false;
1249 
1250 	/* use TG master update lock to lock everything on the TG
1251 	 * therefore only top pipe need to lock
1252 	 */
1253 	if (!pipe || pipe->top_pipe)
1254 		return;
1255 
1256 	if (pipe->plane_state != NULL)
1257 		flip_immediate = pipe->plane_state->flip_immediate;
1258 
1259 	if  (pipe->stream_res.gsl_group > 0) {
1260 	    temp_pipe = pipe->bottom_pipe;
1261 	    while (!flip_immediate && temp_pipe) {
1262 		    if (temp_pipe->plane_state != NULL)
1263 			    flip_immediate = temp_pipe->plane_state->flip_immediate;
1264 		    temp_pipe = temp_pipe->bottom_pipe;
1265 	    }
1266 	}
1267 
1268 	if (flip_immediate && lock) {
1269 		const int TIMEOUT_FOR_FLIP_PENDING = 100000;
1270 		int i;
1271 
1272 		temp_pipe = pipe;
1273 		while (temp_pipe) {
1274 			if (temp_pipe->plane_state && temp_pipe->plane_state->flip_immediate) {
1275 				for (i = 0; i < TIMEOUT_FOR_FLIP_PENDING; ++i) {
1276 					if (!temp_pipe->plane_res.hubp->funcs->hubp_is_flip_pending(temp_pipe->plane_res.hubp))
1277 						break;
1278 					udelay(1);
1279 				}
1280 
1281 				/* no reason it should take this long for immediate flips */
1282 				ASSERT(i != TIMEOUT_FOR_FLIP_PENDING);
1283 			}
1284 			temp_pipe = temp_pipe->bottom_pipe;
1285 		}
1286 	}
1287 
1288 	/* In flip immediate and pipe splitting case, we need to use GSL
1289 	 * for synchronization. Only do setup on locking and on flip type change.
1290 	 */
1291 	if (lock && (pipe->bottom_pipe != NULL || !flip_immediate))
1292 		if ((flip_immediate && pipe->stream_res.gsl_group == 0) ||
1293 		    (!flip_immediate && pipe->stream_res.gsl_group > 0))
1294 			dcn20_setup_gsl_group_as_lock(dc, pipe, flip_immediate);
1295 
1296 	if (pipe->plane_state != NULL)
1297 		flip_immediate = pipe->plane_state->flip_immediate;
1298 
1299 	temp_pipe = pipe->bottom_pipe;
1300 	while (flip_immediate && temp_pipe) {
1301 	    if (temp_pipe->plane_state != NULL)
1302 		flip_immediate = temp_pipe->plane_state->flip_immediate;
1303 	    temp_pipe = temp_pipe->bottom_pipe;
1304 	}
1305 
1306 	if (!lock && pipe->stream_res.gsl_group > 0 && pipe->plane_state &&
1307 		!flip_immediate)
1308 	    dcn20_setup_gsl_group_as_lock(dc, pipe, false);
1309 
1310 	if (pipe->stream && should_use_dmub_lock(pipe->stream->link)) {
1311 		union dmub_hw_lock_flags hw_locks = { 0 };
1312 		struct dmub_hw_lock_inst_flags inst_flags = { 0 };
1313 
1314 		hw_locks.bits.lock_pipe = 1;
1315 		inst_flags.otg_inst =  pipe->stream_res.tg->inst;
1316 
1317 		if (pipe->plane_state != NULL)
1318 			hw_locks.bits.triple_buffer_lock = pipe->plane_state->triplebuffer_flips;
1319 
1320 		dmub_hw_lock_mgr_cmd(dc->ctx->dmub_srv,
1321 					lock,
1322 					&hw_locks,
1323 					&inst_flags);
1324 	} else if (pipe->plane_state != NULL && pipe->plane_state->triplebuffer_flips) {
1325 		if (lock)
1326 			pipe->stream_res.tg->funcs->triplebuffer_lock(pipe->stream_res.tg);
1327 		else
1328 			pipe->stream_res.tg->funcs->triplebuffer_unlock(pipe->stream_res.tg);
1329 	} else {
1330 		if (lock)
1331 			pipe->stream_res.tg->funcs->lock(pipe->stream_res.tg);
1332 		else
1333 			pipe->stream_res.tg->funcs->unlock(pipe->stream_res.tg);
1334 	}
1335 }
1336 
1337 static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx *new_pipe)
1338 {
1339 	new_pipe->update_flags.raw = 0;
1340 
1341 	/* If non-phantom pipe is being transitioned to a phantom pipe,
1342 	 * set disable and return immediately. This is because the pipe
1343 	 * that was previously in use must be fully disabled before we
1344 	 * can "enable" it as a phantom pipe (since the OTG will certainly
1345 	 * be different). The post_unlock sequence will set the correct
1346 	 * update flags to enable the phantom pipe.
1347 	 */
1348 	if (old_pipe->plane_state && !old_pipe->plane_state->is_phantom &&
1349 			new_pipe->plane_state && new_pipe->plane_state->is_phantom) {
1350 		new_pipe->update_flags.bits.disable = 1;
1351 		return;
1352 	}
1353 
1354 	/* Exit on unchanged, unused pipe */
1355 	if (!old_pipe->plane_state && !new_pipe->plane_state)
1356 		return;
1357 	/* Detect pipe enable/disable */
1358 	if (!old_pipe->plane_state && new_pipe->plane_state) {
1359 		new_pipe->update_flags.bits.enable = 1;
1360 		new_pipe->update_flags.bits.mpcc = 1;
1361 		new_pipe->update_flags.bits.dppclk = 1;
1362 		new_pipe->update_flags.bits.hubp_interdependent = 1;
1363 		new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1364 		new_pipe->update_flags.bits.unbounded_req = 1;
1365 		new_pipe->update_flags.bits.gamut_remap = 1;
1366 		new_pipe->update_flags.bits.scaler = 1;
1367 		new_pipe->update_flags.bits.viewport = 1;
1368 		new_pipe->update_flags.bits.det_size = 1;
1369 		if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1370 			new_pipe->update_flags.bits.odm = 1;
1371 			new_pipe->update_flags.bits.global_sync = 1;
1372 		}
1373 		return;
1374 	}
1375 
1376 	/* For SubVP we need to unconditionally enable because any phantom pipes are
1377 	 * always removed then newly added for every full updates whenever SubVP is in use.
1378 	 * The remove-add sequence of the phantom pipe always results in the pipe
1379 	 * being blanked in enable_stream_timing (DPG).
1380 	 */
1381 	if (new_pipe->stream && new_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM)
1382 		new_pipe->update_flags.bits.enable = 1;
1383 
1384 	/* Phantom pipes are effectively disabled, if the pipe was previously phantom
1385 	 * we have to enable
1386 	 */
1387 	if (old_pipe->plane_state && old_pipe->plane_state->is_phantom &&
1388 			new_pipe->plane_state && !new_pipe->plane_state->is_phantom)
1389 		new_pipe->update_flags.bits.enable = 1;
1390 
1391 	if (old_pipe->plane_state && !new_pipe->plane_state) {
1392 		new_pipe->update_flags.bits.disable = 1;
1393 		return;
1394 	}
1395 
1396 	/* Detect plane change */
1397 	if (old_pipe->plane_state != new_pipe->plane_state) {
1398 		new_pipe->update_flags.bits.plane_changed = true;
1399 	}
1400 
1401 	/* Detect top pipe only changes */
1402 	if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1403 		/* Detect odm changes */
1404 		if ((old_pipe->next_odm_pipe && new_pipe->next_odm_pipe
1405 			&& old_pipe->next_odm_pipe->pipe_idx != new_pipe->next_odm_pipe->pipe_idx)
1406 				|| (!old_pipe->next_odm_pipe && new_pipe->next_odm_pipe)
1407 				|| (old_pipe->next_odm_pipe && !new_pipe->next_odm_pipe)
1408 				|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1409 			new_pipe->update_flags.bits.odm = 1;
1410 
1411 		/* Detect global sync changes */
1412 		if (old_pipe->pipe_dlg_param.vready_offset != new_pipe->pipe_dlg_param.vready_offset
1413 				|| old_pipe->pipe_dlg_param.vstartup_start != new_pipe->pipe_dlg_param.vstartup_start
1414 				|| old_pipe->pipe_dlg_param.vupdate_offset != new_pipe->pipe_dlg_param.vupdate_offset
1415 				|| old_pipe->pipe_dlg_param.vupdate_width != new_pipe->pipe_dlg_param.vupdate_width)
1416 			new_pipe->update_flags.bits.global_sync = 1;
1417 	}
1418 
1419 	if (old_pipe->det_buffer_size_kb != new_pipe->det_buffer_size_kb)
1420 		new_pipe->update_flags.bits.det_size = 1;
1421 
1422 	/*
1423 	 * Detect opp / tg change, only set on change, not on enable
1424 	 * Assume mpcc inst = pipe index, if not this code needs to be updated
1425 	 * since mpcc is what is affected by these. In fact all of our sequence
1426 	 * makes this assumption at the moment with how hubp reset is matched to
1427 	 * same index mpcc reset.
1428 	 */
1429 	if (old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1430 		new_pipe->update_flags.bits.opp_changed = 1;
1431 	if (old_pipe->stream_res.tg != new_pipe->stream_res.tg)
1432 		new_pipe->update_flags.bits.tg_changed = 1;
1433 
1434 	/*
1435 	 * Detect mpcc blending changes, only dpp inst and opp matter here,
1436 	 * mpccs getting removed/inserted update connected ones during their own
1437 	 * programming
1438 	 */
1439 	if (old_pipe->plane_res.dpp != new_pipe->plane_res.dpp
1440 			|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1441 		new_pipe->update_flags.bits.mpcc = 1;
1442 
1443 	/* Detect dppclk change */
1444 	if (old_pipe->plane_res.bw.dppclk_khz != new_pipe->plane_res.bw.dppclk_khz)
1445 		new_pipe->update_flags.bits.dppclk = 1;
1446 
1447 	/* Check for scl update */
1448 	if (memcmp(&old_pipe->plane_res.scl_data, &new_pipe->plane_res.scl_data, sizeof(struct scaler_data)))
1449 			new_pipe->update_flags.bits.scaler = 1;
1450 	/* Check for vp update */
1451 	if (memcmp(&old_pipe->plane_res.scl_data.viewport, &new_pipe->plane_res.scl_data.viewport, sizeof(struct rect))
1452 			|| memcmp(&old_pipe->plane_res.scl_data.viewport_c,
1453 				&new_pipe->plane_res.scl_data.viewport_c, sizeof(struct rect)))
1454 		new_pipe->update_flags.bits.viewport = 1;
1455 
1456 	/* Detect dlg/ttu/rq updates */
1457 	{
1458 		struct _vcs_dpi_display_dlg_regs_st old_dlg_attr = old_pipe->dlg_regs;
1459 		struct _vcs_dpi_display_ttu_regs_st old_ttu_attr = old_pipe->ttu_regs;
1460 		struct _vcs_dpi_display_dlg_regs_st *new_dlg_attr = &new_pipe->dlg_regs;
1461 		struct _vcs_dpi_display_ttu_regs_st *new_ttu_attr = &new_pipe->ttu_regs;
1462 
1463 		/* Detect pipe interdependent updates */
1464 		if (old_dlg_attr.dst_y_prefetch != new_dlg_attr->dst_y_prefetch ||
1465 				old_dlg_attr.vratio_prefetch != new_dlg_attr->vratio_prefetch ||
1466 				old_dlg_attr.vratio_prefetch_c != new_dlg_attr->vratio_prefetch_c ||
1467 				old_dlg_attr.dst_y_per_vm_vblank != new_dlg_attr->dst_y_per_vm_vblank ||
1468 				old_dlg_attr.dst_y_per_row_vblank != new_dlg_attr->dst_y_per_row_vblank ||
1469 				old_dlg_attr.dst_y_per_vm_flip != new_dlg_attr->dst_y_per_vm_flip ||
1470 				old_dlg_attr.dst_y_per_row_flip != new_dlg_attr->dst_y_per_row_flip ||
1471 				old_dlg_attr.refcyc_per_meta_chunk_vblank_l != new_dlg_attr->refcyc_per_meta_chunk_vblank_l ||
1472 				old_dlg_attr.refcyc_per_meta_chunk_vblank_c != new_dlg_attr->refcyc_per_meta_chunk_vblank_c ||
1473 				old_dlg_attr.refcyc_per_meta_chunk_flip_l != new_dlg_attr->refcyc_per_meta_chunk_flip_l ||
1474 				old_dlg_attr.refcyc_per_line_delivery_pre_l != new_dlg_attr->refcyc_per_line_delivery_pre_l ||
1475 				old_dlg_attr.refcyc_per_line_delivery_pre_c != new_dlg_attr->refcyc_per_line_delivery_pre_c ||
1476 				old_ttu_attr.refcyc_per_req_delivery_pre_l != new_ttu_attr->refcyc_per_req_delivery_pre_l ||
1477 				old_ttu_attr.refcyc_per_req_delivery_pre_c != new_ttu_attr->refcyc_per_req_delivery_pre_c ||
1478 				old_ttu_attr.refcyc_per_req_delivery_pre_cur0 != new_ttu_attr->refcyc_per_req_delivery_pre_cur0 ||
1479 				old_ttu_attr.refcyc_per_req_delivery_pre_cur1 != new_ttu_attr->refcyc_per_req_delivery_pre_cur1 ||
1480 				old_ttu_attr.min_ttu_vblank != new_ttu_attr->min_ttu_vblank ||
1481 				old_ttu_attr.qos_level_flip != new_ttu_attr->qos_level_flip) {
1482 			old_dlg_attr.dst_y_prefetch = new_dlg_attr->dst_y_prefetch;
1483 			old_dlg_attr.vratio_prefetch = new_dlg_attr->vratio_prefetch;
1484 			old_dlg_attr.vratio_prefetch_c = new_dlg_attr->vratio_prefetch_c;
1485 			old_dlg_attr.dst_y_per_vm_vblank = new_dlg_attr->dst_y_per_vm_vblank;
1486 			old_dlg_attr.dst_y_per_row_vblank = new_dlg_attr->dst_y_per_row_vblank;
1487 			old_dlg_attr.dst_y_per_vm_flip = new_dlg_attr->dst_y_per_vm_flip;
1488 			old_dlg_attr.dst_y_per_row_flip = new_dlg_attr->dst_y_per_row_flip;
1489 			old_dlg_attr.refcyc_per_meta_chunk_vblank_l = new_dlg_attr->refcyc_per_meta_chunk_vblank_l;
1490 			old_dlg_attr.refcyc_per_meta_chunk_vblank_c = new_dlg_attr->refcyc_per_meta_chunk_vblank_c;
1491 			old_dlg_attr.refcyc_per_meta_chunk_flip_l = new_dlg_attr->refcyc_per_meta_chunk_flip_l;
1492 			old_dlg_attr.refcyc_per_line_delivery_pre_l = new_dlg_attr->refcyc_per_line_delivery_pre_l;
1493 			old_dlg_attr.refcyc_per_line_delivery_pre_c = new_dlg_attr->refcyc_per_line_delivery_pre_c;
1494 			old_ttu_attr.refcyc_per_req_delivery_pre_l = new_ttu_attr->refcyc_per_req_delivery_pre_l;
1495 			old_ttu_attr.refcyc_per_req_delivery_pre_c = new_ttu_attr->refcyc_per_req_delivery_pre_c;
1496 			old_ttu_attr.refcyc_per_req_delivery_pre_cur0 = new_ttu_attr->refcyc_per_req_delivery_pre_cur0;
1497 			old_ttu_attr.refcyc_per_req_delivery_pre_cur1 = new_ttu_attr->refcyc_per_req_delivery_pre_cur1;
1498 			old_ttu_attr.min_ttu_vblank = new_ttu_attr->min_ttu_vblank;
1499 			old_ttu_attr.qos_level_flip = new_ttu_attr->qos_level_flip;
1500 			new_pipe->update_flags.bits.hubp_interdependent = 1;
1501 		}
1502 		/* Detect any other updates to ttu/rq/dlg */
1503 		if (memcmp(&old_dlg_attr, &new_pipe->dlg_regs, sizeof(old_dlg_attr)) ||
1504 				memcmp(&old_ttu_attr, &new_pipe->ttu_regs, sizeof(old_ttu_attr)) ||
1505 				memcmp(&old_pipe->rq_regs, &new_pipe->rq_regs, sizeof(old_pipe->rq_regs)))
1506 			new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1507 	}
1508 
1509 	if (old_pipe->unbounded_req != new_pipe->unbounded_req)
1510 		new_pipe->update_flags.bits.unbounded_req = 1;
1511 }
1512 
1513 static void dcn20_update_dchubp_dpp(
1514 	struct dc *dc,
1515 	struct pipe_ctx *pipe_ctx,
1516 	struct dc_state *context)
1517 {
1518 	struct dce_hwseq *hws = dc->hwseq;
1519 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
1520 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
1521 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
1522 	struct dccg *dccg = dc->res_pool->dccg;
1523 	bool viewport_changed = false;
1524 
1525 	if (pipe_ctx->update_flags.bits.dppclk)
1526 		dpp->funcs->dpp_dppclk_control(dpp, false, true);
1527 
1528 	if (pipe_ctx->update_flags.bits.enable)
1529 		dccg->funcs->update_dpp_dto(dccg, dpp->inst, pipe_ctx->plane_res.bw.dppclk_khz);
1530 
1531 	/* TODO: Need input parameter to tell current DCHUB pipe tie to which OTG
1532 	 * VTG is within DCHUBBUB which is commond block share by each pipe HUBP.
1533 	 * VTG is 1:1 mapping with OTG. Each pipe HUBP will select which VTG
1534 	 */
1535 	if (pipe_ctx->update_flags.bits.hubp_rq_dlg_ttu) {
1536 		hubp->funcs->hubp_vtg_sel(hubp, pipe_ctx->stream_res.tg->inst);
1537 
1538 		hubp->funcs->hubp_setup(
1539 			hubp,
1540 			&pipe_ctx->dlg_regs,
1541 			&pipe_ctx->ttu_regs,
1542 			&pipe_ctx->rq_regs,
1543 			&pipe_ctx->pipe_dlg_param);
1544 	}
1545 
1546 	if (pipe_ctx->update_flags.bits.unbounded_req && hubp->funcs->set_unbounded_requesting)
1547 		hubp->funcs->set_unbounded_requesting(hubp, pipe_ctx->unbounded_req);
1548 
1549 	if (pipe_ctx->update_flags.bits.hubp_interdependent)
1550 		hubp->funcs->hubp_setup_interdependent(
1551 			hubp,
1552 			&pipe_ctx->dlg_regs,
1553 			&pipe_ctx->ttu_regs);
1554 
1555 	if (pipe_ctx->update_flags.bits.enable ||
1556 			pipe_ctx->update_flags.bits.plane_changed ||
1557 			plane_state->update_flags.bits.bpp_change ||
1558 			plane_state->update_flags.bits.input_csc_change ||
1559 			plane_state->update_flags.bits.color_space_change ||
1560 			plane_state->update_flags.bits.coeff_reduction_change) {
1561 		struct dc_bias_and_scale bns_params = {0};
1562 
1563 		// program the input csc
1564 		dpp->funcs->dpp_setup(dpp,
1565 				plane_state->format,
1566 				EXPANSION_MODE_ZERO,
1567 				plane_state->input_csc_color_matrix,
1568 				plane_state->color_space,
1569 				NULL);
1570 
1571 		if (dpp->funcs->dpp_program_bias_and_scale) {
1572 			//TODO :for CNVC set scale and bias registers if necessary
1573 			build_prescale_params(&bns_params, plane_state);
1574 			dpp->funcs->dpp_program_bias_and_scale(dpp, &bns_params);
1575 		}
1576 	}
1577 
1578 	if (pipe_ctx->update_flags.bits.mpcc
1579 			|| pipe_ctx->update_flags.bits.plane_changed
1580 			|| plane_state->update_flags.bits.global_alpha_change
1581 			|| plane_state->update_flags.bits.per_pixel_alpha_change) {
1582 		// MPCC inst is equal to pipe index in practice
1583 		int mpcc_inst = hubp->inst;
1584 		int opp_inst;
1585 		int opp_count = dc->res_pool->pipe_count;
1586 
1587 		for (opp_inst = 0; opp_inst < opp_count; opp_inst++) {
1588 			if (dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst]) {
1589 				dc->res_pool->mpc->funcs->wait_for_idle(dc->res_pool->mpc, mpcc_inst);
1590 				dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst] = false;
1591 				break;
1592 			}
1593 		}
1594 		hws->funcs.update_mpcc(dc, pipe_ctx);
1595 	}
1596 
1597 	if (pipe_ctx->update_flags.bits.scaler ||
1598 			plane_state->update_flags.bits.scaling_change ||
1599 			plane_state->update_flags.bits.position_change ||
1600 			plane_state->update_flags.bits.per_pixel_alpha_change ||
1601 			pipe_ctx->stream->update_flags.bits.scaling) {
1602 		pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->plane_state->per_pixel_alpha;
1603 		ASSERT(pipe_ctx->plane_res.scl_data.lb_params.depth == LB_PIXEL_DEPTH_36BPP);
1604 		/* scaler configuration */
1605 		pipe_ctx->plane_res.dpp->funcs->dpp_set_scaler(
1606 				pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data);
1607 	}
1608 
1609 	if (pipe_ctx->update_flags.bits.viewport ||
1610 			(context == dc->current_state && plane_state->update_flags.bits.position_change) ||
1611 			(context == dc->current_state && plane_state->update_flags.bits.scaling_change) ||
1612 			(context == dc->current_state && pipe_ctx->stream->update_flags.bits.scaling)) {
1613 
1614 		hubp->funcs->mem_program_viewport(
1615 			hubp,
1616 			&pipe_ctx->plane_res.scl_data.viewport,
1617 			&pipe_ctx->plane_res.scl_data.viewport_c);
1618 		viewport_changed = true;
1619 	}
1620 
1621 	/* Any updates are handled in dc interface, just need to apply existing for plane enable */
1622 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed ||
1623 			pipe_ctx->update_flags.bits.scaler || viewport_changed == true) &&
1624 			pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
1625 		dc->hwss.set_cursor_position(pipe_ctx);
1626 		dc->hwss.set_cursor_attribute(pipe_ctx);
1627 
1628 		if (dc->hwss.set_cursor_sdr_white_level)
1629 			dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
1630 	}
1631 
1632 	/* Any updates are handled in dc interface, just need
1633 	 * to apply existing for plane enable / opp change */
1634 	if (pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed
1635 			|| pipe_ctx->update_flags.bits.plane_changed
1636 			|| pipe_ctx->stream->update_flags.bits.gamut_remap
1637 			|| pipe_ctx->stream->update_flags.bits.out_csc) {
1638 		/* dpp/cm gamut remap*/
1639 		dc->hwss.program_gamut_remap(pipe_ctx);
1640 
1641 		/*call the dcn2 method which uses mpc csc*/
1642 		dc->hwss.program_output_csc(dc,
1643 				pipe_ctx,
1644 				pipe_ctx->stream->output_color_space,
1645 				pipe_ctx->stream->csc_color_matrix.matrix,
1646 				hubp->opp_id);
1647 	}
1648 
1649 	if (pipe_ctx->update_flags.bits.enable ||
1650 			pipe_ctx->update_flags.bits.plane_changed ||
1651 			pipe_ctx->update_flags.bits.opp_changed ||
1652 			plane_state->update_flags.bits.pixel_format_change ||
1653 			plane_state->update_flags.bits.horizontal_mirror_change ||
1654 			plane_state->update_flags.bits.rotation_change ||
1655 			plane_state->update_flags.bits.swizzle_change ||
1656 			plane_state->update_flags.bits.dcc_change ||
1657 			plane_state->update_flags.bits.bpp_change ||
1658 			plane_state->update_flags.bits.scaling_change ||
1659 			plane_state->update_flags.bits.plane_size_change) {
1660 		struct plane_size size = plane_state->plane_size;
1661 
1662 		size.surface_size = pipe_ctx->plane_res.scl_data.viewport;
1663 		hubp->funcs->hubp_program_surface_config(
1664 			hubp,
1665 			plane_state->format,
1666 			&plane_state->tiling_info,
1667 			&size,
1668 			plane_state->rotation,
1669 			&plane_state->dcc,
1670 			plane_state->horizontal_mirror,
1671 			0);
1672 		hubp->power_gated = false;
1673 	}
1674 
1675 	if (pipe_ctx->update_flags.bits.enable ||
1676 		pipe_ctx->update_flags.bits.plane_changed ||
1677 		plane_state->update_flags.bits.addr_update)
1678 		hws->funcs.update_plane_addr(dc, pipe_ctx);
1679 
1680 	if (pipe_ctx->update_flags.bits.enable)
1681 		hubp->funcs->set_blank(hubp, false);
1682 	/* If the stream paired with this plane is phantom, the plane is also phantom */
1683 	if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM
1684 			&& hubp->funcs->phantom_hubp_post_enable)
1685 		hubp->funcs->phantom_hubp_post_enable(hubp);
1686 }
1687 
1688 static int calculate_vready_offset_for_group(struct pipe_ctx *pipe)
1689 {
1690 	struct pipe_ctx *other_pipe;
1691 	int vready_offset = pipe->pipe_dlg_param.vready_offset;
1692 
1693 	/* Always use the largest vready_offset of all connected pipes */
1694 	for (other_pipe = pipe->bottom_pipe; other_pipe != NULL; other_pipe = other_pipe->bottom_pipe) {
1695 		if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1696 			vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1697 	}
1698 	for (other_pipe = pipe->top_pipe; other_pipe != NULL; other_pipe = other_pipe->top_pipe) {
1699 		if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1700 			vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1701 	}
1702 	for (other_pipe = pipe->next_odm_pipe; other_pipe != NULL; other_pipe = other_pipe->next_odm_pipe) {
1703 		if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1704 			vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1705 	}
1706 	for (other_pipe = pipe->prev_odm_pipe; other_pipe != NULL; other_pipe = other_pipe->prev_odm_pipe) {
1707 		if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1708 			vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1709 	}
1710 
1711 	return vready_offset;
1712 }
1713 
1714 static void dcn20_program_pipe(
1715 		struct dc *dc,
1716 		struct pipe_ctx *pipe_ctx,
1717 		struct dc_state *context)
1718 {
1719 	struct dce_hwseq *hws = dc->hwseq;
1720 	/* Only need to unblank on top pipe */
1721 
1722 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->stream->update_flags.bits.abm_level)
1723 			&& !pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe)
1724 		hws->funcs.blank_pixel_data(dc, pipe_ctx, !pipe_ctx->plane_state->visible);
1725 
1726 	/* Only update TG on top pipe */
1727 	if (pipe_ctx->update_flags.bits.global_sync && !pipe_ctx->top_pipe
1728 			&& !pipe_ctx->prev_odm_pipe) {
1729 		pipe_ctx->stream_res.tg->funcs->program_global_sync(
1730 				pipe_ctx->stream_res.tg,
1731 				calculate_vready_offset_for_group(pipe_ctx),
1732 				pipe_ctx->pipe_dlg_param.vstartup_start,
1733 				pipe_ctx->pipe_dlg_param.vupdate_offset,
1734 				pipe_ctx->pipe_dlg_param.vupdate_width);
1735 
1736 		if (pipe_ctx->stream->mall_stream_config.type != SUBVP_PHANTOM)
1737 			pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
1738 
1739 		pipe_ctx->stream_res.tg->funcs->set_vtg_params(
1740 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, true);
1741 
1742 		if (hws->funcs.setup_vupdate_interrupt)
1743 			hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
1744 
1745 		if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) {
1746 			unsigned int k1_div, k2_div;
1747 
1748 			hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
1749 
1750 			dc->res_pool->dccg->funcs->set_pixel_rate_div(
1751 				dc->res_pool->dccg,
1752 				pipe_ctx->stream_res.tg->inst,
1753 				k1_div, k2_div);
1754 		}
1755 	}
1756 
1757 	if (pipe_ctx->update_flags.bits.odm)
1758 		hws->funcs.update_odm(dc, context, pipe_ctx);
1759 
1760 	if (pipe_ctx->update_flags.bits.enable) {
1761 		dcn20_enable_plane(dc, pipe_ctx, context);
1762 		if (dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes)
1763 			dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes(dc->res_pool->hubbub);
1764 	}
1765 
1766 	if (dc->res_pool->hubbub->funcs->program_det_size && pipe_ctx->update_flags.bits.det_size)
1767 		dc->res_pool->hubbub->funcs->program_det_size(
1768 			dc->res_pool->hubbub, pipe_ctx->plane_res.hubp->inst, pipe_ctx->det_buffer_size_kb);
1769 
1770 	if (pipe_ctx->update_flags.raw || pipe_ctx->plane_state->update_flags.raw || pipe_ctx->stream->update_flags.raw)
1771 		dcn20_update_dchubp_dpp(dc, pipe_ctx, context);
1772 
1773 	if (pipe_ctx->update_flags.bits.enable
1774 			|| pipe_ctx->plane_state->update_flags.bits.hdr_mult)
1775 		hws->funcs.set_hdr_multiplier(pipe_ctx);
1776 
1777 	if (pipe_ctx->update_flags.bits.enable ||
1778 			pipe_ctx->plane_state->update_flags.bits.in_transfer_func_change ||
1779 			pipe_ctx->plane_state->update_flags.bits.gamma_change)
1780 		hws->funcs.set_input_transfer_func(dc, pipe_ctx, pipe_ctx->plane_state);
1781 
1782 	/* dcn10_translate_regamma_to_hw_format takes 750us to finish
1783 	 * only do gamma programming for powering on, internal memcmp to avoid
1784 	 * updating on slave planes
1785 	 */
1786 	if (pipe_ctx->update_flags.bits.enable ||
1787 			pipe_ctx->update_flags.bits.plane_changed ||
1788 			pipe_ctx->stream->update_flags.bits.out_tf ||
1789 			pipe_ctx->plane_state->update_flags.bits.output_tf_change)
1790 		hws->funcs.set_output_transfer_func(dc, pipe_ctx, pipe_ctx->stream);
1791 
1792 	/* If the pipe has been enabled or has a different opp, we
1793 	 * should reprogram the fmt. This deals with cases where
1794 	 * interation between mpc and odm combine on different streams
1795 	 * causes a different pipe to be chosen to odm combine with.
1796 	 */
1797 	if (pipe_ctx->update_flags.bits.enable
1798 	    || pipe_ctx->update_flags.bits.opp_changed) {
1799 
1800 		pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
1801 			pipe_ctx->stream_res.opp,
1802 			COLOR_SPACE_YCBCR601,
1803 			pipe_ctx->stream->timing.display_color_depth,
1804 			pipe_ctx->stream->signal);
1805 
1806 		pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
1807 			pipe_ctx->stream_res.opp,
1808 			&pipe_ctx->stream->bit_depth_params,
1809 			&pipe_ctx->stream->clamping);
1810 	}
1811 
1812 	/* Set ABM pipe after other pipe configurations done */
1813 	if (pipe_ctx->plane_state->visible) {
1814 		if (pipe_ctx->stream_res.abm) {
1815 			dc->hwss.set_pipe(pipe_ctx);
1816 			pipe_ctx->stream_res.abm->funcs->set_abm_level(pipe_ctx->stream_res.abm,
1817 				pipe_ctx->stream->abm_level);
1818 		}
1819 	}
1820 }
1821 
1822 void dcn20_program_front_end_for_ctx(
1823 		struct dc *dc,
1824 		struct dc_state *context)
1825 {
1826 	int i;
1827 	struct dce_hwseq *hws = dc->hwseq;
1828 	DC_LOGGER_INIT(dc->ctx->logger);
1829 
1830 	/* Carry over GSL groups in case the context is changing. */
1831 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1832 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1833 		struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
1834 
1835 		if (pipe_ctx->stream == old_pipe_ctx->stream)
1836 			pipe_ctx->stream_res.gsl_group = old_pipe_ctx->stream_res.gsl_group;
1837 	}
1838 
1839 	if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) {
1840 		for (i = 0; i < dc->res_pool->pipe_count; i++) {
1841 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1842 
1843 			if (!pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe && pipe_ctx->plane_state) {
1844 				ASSERT(!pipe_ctx->plane_state->triplebuffer_flips);
1845 				/*turn off triple buffer for full update*/
1846 				dc->hwss.program_triplebuffer(
1847 						dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips);
1848 			}
1849 		}
1850 	}
1851 
1852 	/* Set pipe update flags and lock pipes */
1853 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1854 		dcn20_detect_pipe_changes(&dc->current_state->res_ctx.pipe_ctx[i],
1855 				&context->res_ctx.pipe_ctx[i]);
1856 
1857 	/* When disabling phantom pipes, turn on phantom OTG first (so we can get double
1858 	 * buffer updates properly)
1859 	 */
1860 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1861 		struct dc_stream_state *stream = dc->current_state->res_ctx.pipe_ctx[i].stream;
1862 
1863 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable && stream &&
1864 			dc->current_state->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
1865 			struct timing_generator *tg = dc->current_state->res_ctx.pipe_ctx[i].stream_res.tg;
1866 
1867 			if (tg->funcs->enable_crtc)
1868 				tg->funcs->enable_crtc(tg);
1869 		}
1870 	}
1871 	/* OTG blank before disabling all front ends */
1872 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1873 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1874 				&& !context->res_ctx.pipe_ctx[i].top_pipe
1875 				&& !context->res_ctx.pipe_ctx[i].prev_odm_pipe
1876 				&& context->res_ctx.pipe_ctx[i].stream)
1877 			hws->funcs.blank_pixel_data(dc, &context->res_ctx.pipe_ctx[i], true);
1878 
1879 
1880 	/* Disconnect mpcc */
1881 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1882 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1883 				|| context->res_ctx.pipe_ctx[i].update_flags.bits.opp_changed) {
1884 			struct hubbub *hubbub = dc->res_pool->hubbub;
1885 
1886 			/* Phantom pipe DET should be 0, but if a pipe in use is being transitioned to phantom
1887 			 * then we want to do the programming here (effectively it's being disabled). If we do
1888 			 * the programming later the DET won't be updated until the OTG for the phantom pipe is
1889 			 * turned on (i.e. in an MCLK switch) which can come in too late and cause issues with
1890 			 * DET allocation.
1891 			 */
1892 			if (hubbub->funcs->program_det_size && (context->res_ctx.pipe_ctx[i].update_flags.bits.disable ||
1893 					(context->res_ctx.pipe_ctx[i].plane_state && context->res_ctx.pipe_ctx[i].plane_state->is_phantom)))
1894 				hubbub->funcs->program_det_size(hubbub, dc->current_state->res_ctx.pipe_ctx[i].plane_res.hubp->inst, 0);
1895 			hws->funcs.plane_atomic_disconnect(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1896 			DC_LOG_DC("Reset mpcc for pipe %d\n", dc->current_state->res_ctx.pipe_ctx[i].pipe_idx);
1897 		}
1898 
1899 	/*
1900 	 * Program all updated pipes, order matters for mpcc setup. Start with
1901 	 * top pipe and program all pipes that follow in order
1902 	 */
1903 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1904 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1905 
1906 		if (pipe->plane_state && !pipe->top_pipe) {
1907 			while (pipe) {
1908 				if (hws->funcs.program_pipe)
1909 					hws->funcs.program_pipe(dc, pipe, context);
1910 				else {
1911 					/* Don't program phantom pipes in the regular front end programming sequence.
1912 					 * There is an MPO transition case where a pipe being used by a video plane is
1913 					 * transitioned directly to be a phantom pipe when closing the MPO video. However
1914 					 * the phantom pipe will program a new HUBP_VTG_SEL (update takes place right away),
1915 					 * but the MPO still exists until the double buffered update of the main pipe so we
1916 					 * will get a frame of underflow if the phantom pipe is programmed here.
1917 					 */
1918 					if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_PHANTOM)
1919 						dcn20_program_pipe(dc, pipe, context);
1920 				}
1921 
1922 				pipe = pipe->bottom_pipe;
1923 			}
1924 		}
1925 		/* Program secondary blending tree and writeback pipes */
1926 		pipe = &context->res_ctx.pipe_ctx[i];
1927 		if (!pipe->top_pipe && !pipe->prev_odm_pipe
1928 				&& pipe->stream && pipe->stream->num_wb_info > 0
1929 				&& (pipe->update_flags.raw || (pipe->plane_state && pipe->plane_state->update_flags.raw)
1930 					|| pipe->stream->update_flags.raw)
1931 				&& hws->funcs.program_all_writeback_pipes_in_tree)
1932 			hws->funcs.program_all_writeback_pipes_in_tree(dc, pipe->stream, context);
1933 
1934 		/* Avoid underflow by check of pipe line read when adding 2nd plane. */
1935 		if (hws->wa.wait_hubpret_read_start_during_mpo_transition &&
1936 			!pipe->top_pipe &&
1937 			pipe->stream &&
1938 			pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start &&
1939 			dc->current_state->stream_status[0].plane_count == 1 &&
1940 			context->stream_status[0].plane_count > 1) {
1941 			pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start(pipe->plane_res.hubp);
1942 		}
1943 
1944 		/* when dynamic ODM is active, pipes must be reconfigured when all planes are
1945 		 * disabled, as some transitions will leave software and hardware state
1946 		 * mismatched.
1947 		 */
1948 		if (dc->debug.enable_single_display_2to1_odm_policy &&
1949 			pipe->stream &&
1950 			pipe->update_flags.bits.disable &&
1951 			!pipe->prev_odm_pipe &&
1952 			hws->funcs.update_odm)
1953 			hws->funcs.update_odm(dc, context, pipe);
1954 	}
1955 }
1956 
1957 void dcn20_post_unlock_program_front_end(
1958 		struct dc *dc,
1959 		struct dc_state *context)
1960 {
1961 	int i;
1962 	const unsigned int TIMEOUT_FOR_PIPE_ENABLE_MS = 100;
1963 	struct dce_hwseq *hwseq = dc->hwseq;
1964 
1965 	DC_LOGGER_INIT(dc->ctx->logger);
1966 
1967 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1968 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable)
1969 			dc->hwss.disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1970 
1971 	/*
1972 	 * If we are enabling a pipe, we need to wait for pending clear as this is a critical
1973 	 * part of the enable operation otherwise, DM may request an immediate flip which
1974 	 * will cause HW to perform an "immediate enable" (as opposed to "vsync enable") which
1975 	 * is unsupported on DCN.
1976 	 */
1977 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1978 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1979 		// Don't check flip pending on phantom pipes
1980 		if (pipe->plane_state && !pipe->top_pipe && pipe->update_flags.bits.enable &&
1981 				pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1982 			struct hubp *hubp = pipe->plane_res.hubp;
1983 			int j = 0;
1984 
1985 			for (j = 0; j < TIMEOUT_FOR_PIPE_ENABLE_MS*1000
1986 					&& hubp->funcs->hubp_is_flip_pending(hubp); j++)
1987 				udelay(1);
1988 		}
1989 	}
1990 
1991 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1992 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1993 
1994 		if (pipe->plane_state && !pipe->top_pipe) {
1995 			/* Program phantom pipe here to prevent a frame of underflow in the MPO transition
1996 			 * case (if a pipe being used for a video plane transitions to a phantom pipe, it
1997 			 * can underflow due to HUBP_VTG_SEL programming if done in the regular front end
1998 			 * programming sequence).
1999 			 */
2000 			while (pipe) {
2001 				if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
2002 					/* When turning on the phantom pipe we want to run through the
2003 					 * entire enable sequence, so apply all the "enable" flags.
2004 					 */
2005 					if (dc->hwss.apply_update_flags_for_phantom)
2006 						dc->hwss.apply_update_flags_for_phantom(pipe);
2007 					if (dc->hwss.update_phantom_vp_position)
2008 						dc->hwss.update_phantom_vp_position(dc, context, pipe);
2009 					dcn20_program_pipe(dc, pipe, context);
2010 				}
2011 				pipe = pipe->bottom_pipe;
2012 			}
2013 		}
2014 	}
2015 
2016 	/* P-State support transitions:
2017 	 * Natural -> FPO: 		P-State disabled in prepare, force disallow anytime is safe
2018 	 * FPO -> Natural: 		Unforce anytime after FW disable is safe (P-State will assert naturally)
2019 	 * Unsupported -> FPO:	P-State enabled in optimize, force disallow anytime is safe
2020 	 * FPO -> Unsupported:	P-State disabled in prepare, unforce disallow anytime is safe
2021 	 * FPO <-> SubVP:		Force disallow is maintained on the FPO / SubVP pipes
2022 	 */
2023 	if (hwseq && hwseq->funcs.update_force_pstate)
2024 		dc->hwseq->funcs.update_force_pstate(dc, context);
2025 
2026 	/* Only program the MALL registers after all the main and phantom pipes
2027 	 * are done programming.
2028 	 */
2029 	if (hwseq->funcs.program_mall_pipe_config)
2030 		hwseq->funcs.program_mall_pipe_config(dc, context);
2031 
2032 	/* WA to apply WM setting*/
2033 	if (hwseq->wa.DEGVIDCN21)
2034 		dc->res_pool->hubbub->funcs->apply_DEDCN21_147_wa(dc->res_pool->hubbub);
2035 
2036 
2037 	/* WA for stutter underflow during MPO transitions when adding 2nd plane */
2038 	if (hwseq->wa.disallow_self_refresh_during_multi_plane_transition) {
2039 
2040 		if (dc->current_state->stream_status[0].plane_count == 1 &&
2041 				context->stream_status[0].plane_count > 1) {
2042 
2043 			struct timing_generator *tg = dc->res_pool->timing_generators[0];
2044 
2045 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub, false);
2046 
2047 			hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied = true;
2048 			hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied_on_frame = tg->funcs->get_frame_count(tg);
2049 		}
2050 	}
2051 }
2052 
2053 void dcn20_prepare_bandwidth(
2054 		struct dc *dc,
2055 		struct dc_state *context)
2056 {
2057 	struct hubbub *hubbub = dc->res_pool->hubbub;
2058 	unsigned int compbuf_size_kb = 0;
2059 	unsigned int cache_wm_a = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns;
2060 	unsigned int i;
2061 
2062 	dc->clk_mgr->funcs->update_clocks(
2063 			dc->clk_mgr,
2064 			context,
2065 			false);
2066 
2067 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2068 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
2069 
2070 		// At optimize don't restore the original watermark value
2071 		if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) {
2072 			context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 4U * 1000U * 1000U * 1000U;
2073 			break;
2074 		}
2075 	}
2076 
2077 	/* program dchubbub watermarks:
2078 	 * For assigning wm_optimized_required, use |= operator since we don't want
2079 	 * to clear the value if the optimize has not happened yet
2080 	 */
2081 	dc->wm_optimized_required |= hubbub->funcs->program_watermarks(hubbub,
2082 					&context->bw_ctx.bw.dcn.watermarks,
2083 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
2084 					false);
2085 
2086 	// Restore the real watermark so we can commit the value to DMCUB
2087 	// DMCUB uses the "original" watermark value in SubVP MCLK switch
2088 	context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = cache_wm_a;
2089 
2090 	/* decrease compbuf size */
2091 	if (hubbub->funcs->program_compbuf_size) {
2092 		if (context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes) {
2093 			compbuf_size_kb = context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes;
2094 			dc->wm_optimized_required |= (compbuf_size_kb != dc->current_state->bw_ctx.dml.ip.min_comp_buffer_size_kbytes);
2095 		} else {
2096 			compbuf_size_kb = context->bw_ctx.bw.dcn.compbuf_size_kb;
2097 			dc->wm_optimized_required |= (compbuf_size_kb != dc->current_state->bw_ctx.bw.dcn.compbuf_size_kb);
2098 		}
2099 
2100 		hubbub->funcs->program_compbuf_size(hubbub, compbuf_size_kb, false);
2101 	}
2102 }
2103 
2104 void dcn20_optimize_bandwidth(
2105 		struct dc *dc,
2106 		struct dc_state *context)
2107 {
2108 	struct hubbub *hubbub = dc->res_pool->hubbub;
2109 	int i;
2110 
2111 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2112 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
2113 
2114 		// At optimize don't need  to restore the original watermark value
2115 		if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) {
2116 			context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 4U * 1000U * 1000U * 1000U;
2117 			break;
2118 		}
2119 	}
2120 
2121 	/* program dchubbub watermarks */
2122 	hubbub->funcs->program_watermarks(hubbub,
2123 					&context->bw_ctx.bw.dcn.watermarks,
2124 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
2125 					true);
2126 
2127 	if (dc->clk_mgr->dc_mode_softmax_enabled)
2128 		if (dc->clk_mgr->clks.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
2129 				context->bw_ctx.bw.dcn.clk.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
2130 			dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->dc_mode_softmax_memclk);
2131 
2132 	/* increase compbuf size */
2133 	if (hubbub->funcs->program_compbuf_size)
2134 		hubbub->funcs->program_compbuf_size(hubbub, context->bw_ctx.bw.dcn.compbuf_size_kb, true);
2135 
2136 	if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) {
2137 		dc_dmub_srv_p_state_delegate(dc,
2138 			true, context);
2139 		context->bw_ctx.bw.dcn.clk.p_state_change_support = true;
2140 		dc->clk_mgr->clks.fw_based_mclk_switching = true;
2141 	} else {
2142 		dc->clk_mgr->clks.fw_based_mclk_switching = false;
2143 	}
2144 
2145 	dc->clk_mgr->funcs->update_clocks(
2146 			dc->clk_mgr,
2147 			context,
2148 			true);
2149 	if (context->bw_ctx.bw.dcn.clk.zstate_support == DCN_ZSTATE_SUPPORT_ALLOW) {
2150 		for (i = 0; i < dc->res_pool->pipe_count; ++i) {
2151 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2152 
2153 			if (pipe_ctx->stream && pipe_ctx->plane_res.hubp->funcs->program_extended_blank
2154 				&& pipe_ctx->stream->adjust.v_total_min == pipe_ctx->stream->adjust.v_total_max
2155 				&& pipe_ctx->stream->adjust.v_total_max > pipe_ctx->stream->timing.v_total)
2156 					pipe_ctx->plane_res.hubp->funcs->program_extended_blank(pipe_ctx->plane_res.hubp,
2157 						pipe_ctx->dlg_regs.min_dst_y_next_start);
2158 		}
2159 	}
2160 }
2161 
2162 bool dcn20_update_bandwidth(
2163 		struct dc *dc,
2164 		struct dc_state *context)
2165 {
2166 	int i;
2167 	struct dce_hwseq *hws = dc->hwseq;
2168 
2169 	/* recalculate DML parameters */
2170 	if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false))
2171 		return false;
2172 
2173 	/* apply updated bandwidth parameters */
2174 	dc->hwss.prepare_bandwidth(dc, context);
2175 
2176 	/* update hubp configs for all pipes */
2177 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2178 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2179 
2180 		if (pipe_ctx->plane_state == NULL)
2181 			continue;
2182 
2183 		if (pipe_ctx->top_pipe == NULL) {
2184 			bool blank = !is_pipe_tree_visible(pipe_ctx);
2185 
2186 			pipe_ctx->stream_res.tg->funcs->program_global_sync(
2187 					pipe_ctx->stream_res.tg,
2188 					calculate_vready_offset_for_group(pipe_ctx),
2189 					pipe_ctx->pipe_dlg_param.vstartup_start,
2190 					pipe_ctx->pipe_dlg_param.vupdate_offset,
2191 					pipe_ctx->pipe_dlg_param.vupdate_width);
2192 
2193 			pipe_ctx->stream_res.tg->funcs->set_vtg_params(
2194 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, false);
2195 
2196 			if (pipe_ctx->prev_odm_pipe == NULL)
2197 				hws->funcs.blank_pixel_data(dc, pipe_ctx, blank);
2198 
2199 			if (hws->funcs.setup_vupdate_interrupt)
2200 				hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
2201 		}
2202 
2203 		pipe_ctx->plane_res.hubp->funcs->hubp_setup(
2204 				pipe_ctx->plane_res.hubp,
2205 					&pipe_ctx->dlg_regs,
2206 					&pipe_ctx->ttu_regs,
2207 					&pipe_ctx->rq_regs,
2208 					&pipe_ctx->pipe_dlg_param);
2209 	}
2210 
2211 	return true;
2212 }
2213 
2214 void dcn20_enable_writeback(
2215 		struct dc *dc,
2216 		struct dc_writeback_info *wb_info,
2217 		struct dc_state *context)
2218 {
2219 	struct dwbc *dwb;
2220 	struct mcif_wb *mcif_wb;
2221 	struct timing_generator *optc;
2222 
2223 	ASSERT(wb_info->dwb_pipe_inst < MAX_DWB_PIPES);
2224 	ASSERT(wb_info->wb_enabled);
2225 	dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
2226 	mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
2227 
2228 	/* set the OPTC source mux */
2229 	optc = dc->res_pool->timing_generators[dwb->otg_inst];
2230 	optc->funcs->set_dwb_source(optc, wb_info->dwb_pipe_inst);
2231 	/* set MCIF_WB buffer and arbitration configuration */
2232 	mcif_wb->funcs->config_mcif_buf(mcif_wb, &wb_info->mcif_buf_params, wb_info->dwb_params.dest_height);
2233 	mcif_wb->funcs->config_mcif_arb(mcif_wb, &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[wb_info->dwb_pipe_inst]);
2234 	/* Enable MCIF_WB */
2235 	mcif_wb->funcs->enable_mcif(mcif_wb);
2236 	/* Enable DWB */
2237 	dwb->funcs->enable(dwb, &wb_info->dwb_params);
2238 	/* TODO: add sequence to enable/disable warmup */
2239 }
2240 
2241 void dcn20_disable_writeback(
2242 		struct dc *dc,
2243 		unsigned int dwb_pipe_inst)
2244 {
2245 	struct dwbc *dwb;
2246 	struct mcif_wb *mcif_wb;
2247 
2248 	ASSERT(dwb_pipe_inst < MAX_DWB_PIPES);
2249 	dwb = dc->res_pool->dwbc[dwb_pipe_inst];
2250 	mcif_wb = dc->res_pool->mcif_wb[dwb_pipe_inst];
2251 
2252 	dwb->funcs->disable(dwb);
2253 	mcif_wb->funcs->disable_mcif(mcif_wb);
2254 }
2255 
2256 bool dcn20_wait_for_blank_complete(
2257 		struct output_pixel_processor *opp)
2258 {
2259 	int counter;
2260 
2261 	for (counter = 0; counter < 1000; counter++) {
2262 		if (opp->funcs->dpg_is_blanked(opp))
2263 			break;
2264 
2265 		udelay(100);
2266 	}
2267 
2268 	if (counter == 1000) {
2269 		dm_error("DC: failed to blank crtc!\n");
2270 		return false;
2271 	}
2272 
2273 	return true;
2274 }
2275 
2276 bool dcn20_dmdata_status_done(struct pipe_ctx *pipe_ctx)
2277 {
2278 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2279 
2280 	if (!hubp)
2281 		return false;
2282 	return hubp->funcs->dmdata_status_done(hubp);
2283 }
2284 
2285 void dcn20_disable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2286 {
2287 	struct dce_hwseq *hws = dc->hwseq;
2288 
2289 	if (pipe_ctx->stream_res.dsc) {
2290 		struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2291 
2292 		hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, true);
2293 		while (odm_pipe) {
2294 			hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, true);
2295 			odm_pipe = odm_pipe->next_odm_pipe;
2296 		}
2297 	}
2298 }
2299 
2300 void dcn20_enable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2301 {
2302 	struct dce_hwseq *hws = dc->hwseq;
2303 
2304 	if (pipe_ctx->stream_res.dsc) {
2305 		struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2306 
2307 		hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, false);
2308 		while (odm_pipe) {
2309 			hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, false);
2310 			odm_pipe = odm_pipe->next_odm_pipe;
2311 		}
2312 	}
2313 }
2314 
2315 void dcn20_set_dmdata_attributes(struct pipe_ctx *pipe_ctx)
2316 {
2317 	struct dc_dmdata_attributes attr = { 0 };
2318 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2319 
2320 	attr.dmdata_mode = DMDATA_HW_MODE;
2321 	attr.dmdata_size =
2322 		dc_is_hdmi_signal(pipe_ctx->stream->signal) ? 32 : 36;
2323 	attr.address.quad_part =
2324 			pipe_ctx->stream->dmdata_address.quad_part;
2325 	attr.dmdata_dl_delta = 0;
2326 	attr.dmdata_qos_mode = 0;
2327 	attr.dmdata_qos_level = 0;
2328 	attr.dmdata_repeat = 1; /* always repeat */
2329 	attr.dmdata_updated = 1;
2330 	attr.dmdata_sw_data = NULL;
2331 
2332 	hubp->funcs->dmdata_set_attributes(hubp, &attr);
2333 }
2334 
2335 void dcn20_init_vm_ctx(
2336 		struct dce_hwseq *hws,
2337 		struct dc *dc,
2338 		struct dc_virtual_addr_space_config *va_config,
2339 		int vmid)
2340 {
2341 	struct dcn_hubbub_virt_addr_config config;
2342 
2343 	if (vmid == 0) {
2344 		ASSERT(0); /* VMID cannot be 0 for vm context */
2345 		return;
2346 	}
2347 
2348 	config.page_table_start_addr = va_config->page_table_start_addr;
2349 	config.page_table_end_addr = va_config->page_table_end_addr;
2350 	config.page_table_block_size = va_config->page_table_block_size_in_bytes;
2351 	config.page_table_depth = va_config->page_table_depth;
2352 	config.page_table_base_addr = va_config->page_table_base_addr;
2353 
2354 	dc->res_pool->hubbub->funcs->init_vm_ctx(dc->res_pool->hubbub, &config, vmid);
2355 }
2356 
2357 int dcn20_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
2358 {
2359 	struct dcn_hubbub_phys_addr_config config;
2360 
2361 	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
2362 	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
2363 	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
2364 	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
2365 	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
2366 	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
2367 	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
2368 	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
2369 	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
2370 	config.page_table_default_page_addr = pa_config->page_table_default_page_addr;
2371 
2372 	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
2373 }
2374 
2375 static bool patch_address_for_sbs_tb_stereo(
2376 		struct pipe_ctx *pipe_ctx, PHYSICAL_ADDRESS_LOC *addr)
2377 {
2378 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2379 	bool sec_split = pipe_ctx->top_pipe &&
2380 			pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state;
2381 	if (sec_split && plane_state->address.type == PLN_ADDR_TYPE_GRPH_STEREO &&
2382 			(pipe_ctx->stream->timing.timing_3d_format ==
2383 			TIMING_3D_FORMAT_SIDE_BY_SIDE ||
2384 			pipe_ctx->stream->timing.timing_3d_format ==
2385 			TIMING_3D_FORMAT_TOP_AND_BOTTOM)) {
2386 		*addr = plane_state->address.grph_stereo.left_addr;
2387 		plane_state->address.grph_stereo.left_addr =
2388 				plane_state->address.grph_stereo.right_addr;
2389 		return true;
2390 	}
2391 
2392 	if (pipe_ctx->stream->view_format != VIEW_3D_FORMAT_NONE &&
2393 			plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO) {
2394 		plane_state->address.type = PLN_ADDR_TYPE_GRPH_STEREO;
2395 		plane_state->address.grph_stereo.right_addr =
2396 				plane_state->address.grph_stereo.left_addr;
2397 		plane_state->address.grph_stereo.right_meta_addr =
2398 				plane_state->address.grph_stereo.left_meta_addr;
2399 	}
2400 	return false;
2401 }
2402 
2403 void dcn20_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx)
2404 {
2405 	bool addr_patched = false;
2406 	PHYSICAL_ADDRESS_LOC addr;
2407 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2408 
2409 	if (plane_state == NULL)
2410 		return;
2411 
2412 	addr_patched = patch_address_for_sbs_tb_stereo(pipe_ctx, &addr);
2413 
2414 	// Call Helper to track VMID use
2415 	vm_helper_mark_vmid_used(dc->vm_helper, plane_state->address.vmid, pipe_ctx->plane_res.hubp->inst);
2416 
2417 	pipe_ctx->plane_res.hubp->funcs->hubp_program_surface_flip_and_addr(
2418 			pipe_ctx->plane_res.hubp,
2419 			&plane_state->address,
2420 			plane_state->flip_immediate);
2421 
2422 	plane_state->status.requested_address = plane_state->address;
2423 
2424 	if (plane_state->flip_immediate)
2425 		plane_state->status.current_address = plane_state->address;
2426 
2427 	if (addr_patched)
2428 		pipe_ctx->plane_state->address.grph_stereo.left_addr = addr;
2429 }
2430 
2431 void dcn20_unblank_stream(struct pipe_ctx *pipe_ctx,
2432 		struct dc_link_settings *link_settings)
2433 {
2434 	struct encoder_unblank_param params = {0};
2435 	struct dc_stream_state *stream = pipe_ctx->stream;
2436 	struct dc_link *link = stream->link;
2437 	struct dce_hwseq *hws = link->dc->hwseq;
2438 	struct pipe_ctx *odm_pipe;
2439 
2440 	params.opp_cnt = 1;
2441 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
2442 		params.opp_cnt++;
2443 	}
2444 	/* only 3 items below are used by unblank */
2445 	params.timing = pipe_ctx->stream->timing;
2446 
2447 	params.link_settings.link_rate = link_settings->link_rate;
2448 
2449 	if (link->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
2450 		/* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
2451 		pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
2452 				pipe_ctx->stream_res.hpo_dp_stream_enc,
2453 				pipe_ctx->stream_res.tg->inst);
2454 	} else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
2455 		if (optc2_is_two_pixels_per_containter(&stream->timing) || params.opp_cnt > 1)
2456 			params.timing.pix_clk_100hz /= 2;
2457 		pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
2458 				pipe_ctx->stream_res.stream_enc, params.opp_cnt > 1);
2459 		pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
2460 	}
2461 
2462 	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
2463 		hws->funcs.edp_backlight_control(link, true);
2464 	}
2465 }
2466 
2467 void dcn20_setup_vupdate_interrupt(struct dc *dc, struct pipe_ctx *pipe_ctx)
2468 {
2469 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
2470 	int start_line = dc->hwss.get_vupdate_offset_from_vsync(pipe_ctx);
2471 
2472 	if (start_line < 0)
2473 		start_line = 0;
2474 
2475 	if (tg->funcs->setup_vertical_interrupt2)
2476 		tg->funcs->setup_vertical_interrupt2(tg, start_line);
2477 }
2478 
2479 static void dcn20_reset_back_end_for_pipe(
2480 		struct dc *dc,
2481 		struct pipe_ctx *pipe_ctx,
2482 		struct dc_state *context)
2483 {
2484 	int i;
2485 	struct dc_link *link = pipe_ctx->stream->link;
2486 	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2487 
2488 	DC_LOGGER_INIT(dc->ctx->logger);
2489 	if (pipe_ctx->stream_res.stream_enc == NULL) {
2490 		pipe_ctx->stream = NULL;
2491 		return;
2492 	}
2493 
2494 	/* DPMS may already disable or */
2495 	/* dpms_off status is incorrect due to fastboot
2496 	 * feature. When system resume from S4 with second
2497 	 * screen only, the dpms_off would be true but
2498 	 * VBIOS lit up eDP, so check link status too.
2499 	 */
2500 	if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
2501 		dc->link_srv->set_dpms_off(pipe_ctx);
2502 	else if (pipe_ctx->stream_res.audio)
2503 		dc->hwss.disable_audio_stream(pipe_ctx);
2504 
2505 	/* free acquired resources */
2506 	if (pipe_ctx->stream_res.audio) {
2507 		/*disable az_endpoint*/
2508 		pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
2509 
2510 		/*free audio*/
2511 		if (dc->caps.dynamic_audio == true) {
2512 			/*we have to dynamic arbitrate the audio endpoints*/
2513 			/*we free the resource, need reset is_audio_acquired*/
2514 			update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
2515 					pipe_ctx->stream_res.audio, false);
2516 			pipe_ctx->stream_res.audio = NULL;
2517 		}
2518 	}
2519 
2520 	/* by upper caller loop, parent pipe: pipe0, will be reset last.
2521 	 * back end share by all pipes and will be disable only when disable
2522 	 * parent pipe.
2523 	 */
2524 	if (pipe_ctx->top_pipe == NULL) {
2525 
2526 		dc->hwss.set_abm_immediate_disable(pipe_ctx);
2527 
2528 		pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
2529 
2530 		pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
2531 		if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
2532 			pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
2533 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
2534 
2535 		if (pipe_ctx->stream_res.tg->funcs->set_drr)
2536 			pipe_ctx->stream_res.tg->funcs->set_drr(
2537 					pipe_ctx->stream_res.tg, NULL);
2538 		/* TODO - convert symclk_ref_cnts for otg to a bit map to solve
2539 		 * the case where the same symclk is shared across multiple otg
2540 		 * instances
2541 		 */
2542 		link->phy_state.symclk_ref_cnts.otg = 0;
2543 		if (link->phy_state.symclk_state == SYMCLK_ON_TX_OFF) {
2544 			link_hwss->disable_link_output(link,
2545 					&pipe_ctx->link_res, pipe_ctx->stream->signal);
2546 			link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
2547 		}
2548 	}
2549 
2550 	for (i = 0; i < dc->res_pool->pipe_count; i++)
2551 		if (&dc->current_state->res_ctx.pipe_ctx[i] == pipe_ctx)
2552 			break;
2553 
2554 	if (i == dc->res_pool->pipe_count)
2555 		return;
2556 
2557 	pipe_ctx->stream = NULL;
2558 	DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
2559 					pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
2560 }
2561 
2562 void dcn20_reset_hw_ctx_wrap(
2563 		struct dc *dc,
2564 		struct dc_state *context)
2565 {
2566 	int i;
2567 	struct dce_hwseq *hws = dc->hwseq;
2568 
2569 	/* Reset Back End*/
2570 	for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
2571 		struct pipe_ctx *pipe_ctx_old =
2572 			&dc->current_state->res_ctx.pipe_ctx[i];
2573 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2574 
2575 		if (!pipe_ctx_old->stream)
2576 			continue;
2577 
2578 		if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
2579 			continue;
2580 
2581 		if (!pipe_ctx->stream ||
2582 				pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
2583 			struct clock_source *old_clk = pipe_ctx_old->clock_source;
2584 
2585 			dcn20_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
2586 			if (hws->funcs.enable_stream_gating)
2587 				hws->funcs.enable_stream_gating(dc, pipe_ctx_old);
2588 			if (old_clk)
2589 				old_clk->funcs->cs_power_down(old_clk);
2590 		}
2591 	}
2592 }
2593 
2594 void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
2595 {
2596 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2597 	struct mpcc_blnd_cfg blnd_cfg = {0};
2598 	bool per_pixel_alpha = pipe_ctx->plane_state->per_pixel_alpha;
2599 	int mpcc_id;
2600 	struct mpcc *new_mpcc;
2601 	struct mpc *mpc = dc->res_pool->mpc;
2602 	struct mpc_tree *mpc_tree_params = &(pipe_ctx->stream_res.opp->mpc_tree_params);
2603 
2604 	blnd_cfg.overlap_only = false;
2605 	blnd_cfg.global_gain = 0xff;
2606 
2607 	if (per_pixel_alpha) {
2608 		blnd_cfg.pre_multiplied_alpha = pipe_ctx->plane_state->pre_multiplied_alpha;
2609 		if (pipe_ctx->plane_state->global_alpha) {
2610 			blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN;
2611 			blnd_cfg.global_gain = pipe_ctx->plane_state->global_alpha_value;
2612 		} else {
2613 			blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
2614 		}
2615 	} else {
2616 		blnd_cfg.pre_multiplied_alpha = false;
2617 		blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA;
2618 	}
2619 
2620 	if (pipe_ctx->plane_state->global_alpha)
2621 		blnd_cfg.global_alpha = pipe_ctx->plane_state->global_alpha_value;
2622 	else
2623 		blnd_cfg.global_alpha = 0xff;
2624 
2625 	blnd_cfg.background_color_bpc = 4;
2626 	blnd_cfg.bottom_gain_mode = 0;
2627 	blnd_cfg.top_gain = 0x1f000;
2628 	blnd_cfg.bottom_inside_gain = 0x1f000;
2629 	blnd_cfg.bottom_outside_gain = 0x1f000;
2630 
2631 	if (pipe_ctx->plane_state->format
2632 			== SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA)
2633 		blnd_cfg.pre_multiplied_alpha = false;
2634 
2635 	/*
2636 	 * TODO: remove hack
2637 	 * Note: currently there is a bug in init_hw such that
2638 	 * on resume from hibernate, BIOS sets up MPCC0, and
2639 	 * we do mpcc_remove but the mpcc cannot go to idle
2640 	 * after remove. This cause us to pick mpcc1 here,
2641 	 * which causes a pstate hang for yet unknown reason.
2642 	 */
2643 	mpcc_id = hubp->inst;
2644 
2645 	/* If there is no full update, don't need to touch MPC tree*/
2646 	if (!pipe_ctx->plane_state->update_flags.bits.full_update &&
2647 		!pipe_ctx->update_flags.bits.mpcc) {
2648 		mpc->funcs->update_blending(mpc, &blnd_cfg, mpcc_id);
2649 		dc->hwss.update_visual_confirm_color(dc, pipe_ctx, mpcc_id);
2650 		return;
2651 	}
2652 
2653 	/* check if this MPCC is already being used */
2654 	new_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, mpcc_id);
2655 	/* remove MPCC if being used */
2656 	if (new_mpcc != NULL)
2657 		mpc->funcs->remove_mpcc(mpc, mpc_tree_params, new_mpcc);
2658 	else
2659 		if (dc->debug.sanity_checks)
2660 			mpc->funcs->assert_mpcc_idle_before_connect(
2661 					dc->res_pool->mpc, mpcc_id);
2662 
2663 	/* Call MPC to insert new plane */
2664 	new_mpcc = mpc->funcs->insert_plane(dc->res_pool->mpc,
2665 			mpc_tree_params,
2666 			&blnd_cfg,
2667 			NULL,
2668 			NULL,
2669 			hubp->inst,
2670 			mpcc_id);
2671 	dc->hwss.update_visual_confirm_color(dc, pipe_ctx, mpcc_id);
2672 
2673 	ASSERT(new_mpcc != NULL);
2674 	hubp->opp_id = pipe_ctx->stream_res.opp->inst;
2675 	hubp->mpcc_id = mpcc_id;
2676 }
2677 
2678 static enum phyd32clk_clock_source get_phyd32clk_src(struct dc_link *link)
2679 {
2680 	switch (link->link_enc->transmitter) {
2681 	case TRANSMITTER_UNIPHY_A:
2682 		return PHYD32CLKA;
2683 	case TRANSMITTER_UNIPHY_B:
2684 		return PHYD32CLKB;
2685 	case TRANSMITTER_UNIPHY_C:
2686 		return PHYD32CLKC;
2687 	case TRANSMITTER_UNIPHY_D:
2688 		return PHYD32CLKD;
2689 	case TRANSMITTER_UNIPHY_E:
2690 		return PHYD32CLKE;
2691 	default:
2692 		return PHYD32CLKA;
2693 	}
2694 }
2695 
2696 static int get_odm_segment_count(struct pipe_ctx *pipe_ctx)
2697 {
2698 	struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2699 	int count = 1;
2700 
2701 	while (odm_pipe != NULL) {
2702 		count++;
2703 		odm_pipe = odm_pipe->next_odm_pipe;
2704 	}
2705 
2706 	return count;
2707 }
2708 
2709 void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
2710 {
2711 	enum dc_lane_count lane_count =
2712 		pipe_ctx->stream->link->cur_link_settings.lane_count;
2713 
2714 	struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
2715 	struct dc_link *link = pipe_ctx->stream->link;
2716 
2717 	uint32_t active_total_with_borders;
2718 	uint32_t early_control = 0;
2719 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
2720 	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2721 	struct dc *dc = pipe_ctx->stream->ctx->dc;
2722 	struct dtbclk_dto_params dto_params = {0};
2723 	struct dccg *dccg = dc->res_pool->dccg;
2724 	enum phyd32clk_clock_source phyd32clk;
2725 	int dp_hpo_inst;
2726 	struct dce_hwseq *hws = dc->hwseq;
2727 	unsigned int k1_div = PIXEL_RATE_DIV_NA;
2728 	unsigned int k2_div = PIXEL_RATE_DIV_NA;
2729 
2730 	if (dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
2731 		if (dc->hwseq->funcs.setup_hpo_hw_control)
2732 			dc->hwseq->funcs.setup_hpo_hw_control(dc->hwseq, true);
2733 	}
2734 
2735 	if (dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
2736 		dp_hpo_inst = pipe_ctx->stream_res.hpo_dp_stream_enc->inst;
2737 		dccg->funcs->set_dpstreamclk(dccg, DTBCLK0, tg->inst, dp_hpo_inst);
2738 
2739 		phyd32clk = get_phyd32clk_src(link);
2740 		dccg->funcs->enable_symclk32_se(dccg, dp_hpo_inst, phyd32clk);
2741 
2742 		dto_params.otg_inst = tg->inst;
2743 		dto_params.pixclk_khz = pipe_ctx->stream->timing.pix_clk_100hz / 10;
2744 		dto_params.num_odm_segments = get_odm_segment_count(pipe_ctx);
2745 		dto_params.timing = &pipe_ctx->stream->timing;
2746 		dto_params.ref_dtbclk_khz = dc->clk_mgr->funcs->get_dtb_ref_clk_frequency(dc->clk_mgr);
2747 		dccg->funcs->set_dtbclk_dto(dccg, &dto_params);
2748 	}
2749 
2750 	if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) {
2751 		hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
2752 
2753 		dc->res_pool->dccg->funcs->set_pixel_rate_div(
2754 			dc->res_pool->dccg,
2755 			pipe_ctx->stream_res.tg->inst,
2756 			k1_div, k2_div);
2757 	}
2758 
2759 	link_hwss->setup_stream_encoder(pipe_ctx);
2760 
2761 	if (pipe_ctx->plane_state && pipe_ctx->plane_state->flip_immediate != 1) {
2762 		if (dc->hwss.program_dmdata_engine)
2763 			dc->hwss.program_dmdata_engine(pipe_ctx);
2764 	}
2765 
2766 	dc->hwss.update_info_frame(pipe_ctx);
2767 
2768 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
2769 		dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
2770 
2771 	/* enable early control to avoid corruption on DP monitor*/
2772 	active_total_with_borders =
2773 			timing->h_addressable
2774 				+ timing->h_border_left
2775 				+ timing->h_border_right;
2776 
2777 	if (lane_count != 0)
2778 		early_control = active_total_with_borders % lane_count;
2779 
2780 	if (early_control == 0)
2781 		early_control = lane_count;
2782 
2783 	tg->funcs->set_early_control(tg, early_control);
2784 
2785 	if (dc->hwseq->funcs.set_pixels_per_cycle)
2786 		dc->hwseq->funcs.set_pixels_per_cycle(pipe_ctx);
2787 }
2788 
2789 void dcn20_program_dmdata_engine(struct pipe_ctx *pipe_ctx)
2790 {
2791 	struct dc_stream_state    *stream     = pipe_ctx->stream;
2792 	struct hubp               *hubp       = pipe_ctx->plane_res.hubp;
2793 	bool                       enable     = false;
2794 	struct stream_encoder     *stream_enc = pipe_ctx->stream_res.stream_enc;
2795 	enum dynamic_metadata_mode mode       = dc_is_dp_signal(stream->signal)
2796 							? dmdata_dp
2797 							: dmdata_hdmi;
2798 
2799 	/* if using dynamic meta, don't set up generic infopackets */
2800 	if (pipe_ctx->stream->dmdata_address.quad_part != 0) {
2801 		pipe_ctx->stream_res.encoder_info_frame.hdrsmd.valid = false;
2802 		enable = true;
2803 	}
2804 
2805 	if (!hubp)
2806 		return;
2807 
2808 	if (!stream_enc || !stream_enc->funcs->set_dynamic_metadata)
2809 		return;
2810 
2811 	stream_enc->funcs->set_dynamic_metadata(stream_enc, enable,
2812 						hubp->inst, mode);
2813 }
2814 
2815 void dcn20_fpga_init_hw(struct dc *dc)
2816 {
2817 	int i, j;
2818 	struct dce_hwseq *hws = dc->hwseq;
2819 	struct resource_pool *res_pool = dc->res_pool;
2820 	struct dc_state  *context = dc->current_state;
2821 
2822 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
2823 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
2824 
2825 	// Initialize the dccg
2826 	if (res_pool->dccg->funcs->dccg_init)
2827 		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
2828 
2829 	//Enable ability to power gate / don't force power on permanently
2830 	hws->funcs.enable_power_gating_plane(hws, true);
2831 
2832 	// Specific to FPGA dccg and registers
2833 	REG_WRITE(RBBMIF_TIMEOUT_DIS, 0xFFFFFFFF);
2834 	REG_WRITE(RBBMIF_TIMEOUT_DIS_2, 0xFFFFFFFF);
2835 
2836 	hws->funcs.dccg_init(hws);
2837 
2838 	REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
2839 	REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
2840 	if (REG(REFCLK_CNTL))
2841 		REG_WRITE(REFCLK_CNTL, 0);
2842 	//
2843 
2844 
2845 	/* Blank pixel data with OPP DPG */
2846 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2847 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2848 
2849 		if (tg->funcs->is_tg_enabled(tg))
2850 			dcn20_init_blank(dc, tg);
2851 	}
2852 
2853 	for (i = 0; i < res_pool->timing_generator_count; i++) {
2854 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2855 
2856 		if (tg->funcs->is_tg_enabled(tg))
2857 			tg->funcs->lock(tg);
2858 	}
2859 
2860 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2861 		struct dpp *dpp = res_pool->dpps[i];
2862 
2863 		dpp->funcs->dpp_reset(dpp);
2864 	}
2865 
2866 	/* Reset all MPCC muxes */
2867 	res_pool->mpc->funcs->mpc_init(res_pool->mpc);
2868 
2869 	/* initialize OPP mpc_tree parameter */
2870 	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
2871 		res_pool->opps[i]->mpc_tree_params.opp_id = res_pool->opps[i]->inst;
2872 		res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2873 		for (j = 0; j < MAX_PIPES; j++)
2874 			res_pool->opps[i]->mpcc_disconnect_pending[j] = false;
2875 	}
2876 
2877 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2878 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2879 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2880 		struct hubp *hubp = dc->res_pool->hubps[i];
2881 		struct dpp *dpp = dc->res_pool->dpps[i];
2882 
2883 		pipe_ctx->stream_res.tg = tg;
2884 		pipe_ctx->pipe_idx = i;
2885 
2886 		pipe_ctx->plane_res.hubp = hubp;
2887 		pipe_ctx->plane_res.dpp = dpp;
2888 		pipe_ctx->plane_res.mpcc_inst = dpp->inst;
2889 		hubp->mpcc_id = dpp->inst;
2890 		hubp->opp_id = OPP_ID_INVALID;
2891 		hubp->power_gated = false;
2892 		pipe_ctx->stream_res.opp = NULL;
2893 
2894 		hubp->funcs->hubp_init(hubp);
2895 
2896 		//dc->res_pool->opps[i]->mpc_tree_params.opp_id = dc->res_pool->opps[i]->inst;
2897 		//dc->res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2898 		dc->res_pool->opps[i]->mpcc_disconnect_pending[pipe_ctx->plane_res.mpcc_inst] = true;
2899 		pipe_ctx->stream_res.opp = dc->res_pool->opps[i];
2900 		/*to do*/
2901 		hws->funcs.plane_atomic_disconnect(dc, pipe_ctx);
2902 	}
2903 
2904 	/* initialize DWB pointer to MCIF_WB */
2905 	for (i = 0; i < res_pool->res_cap->num_dwb; i++)
2906 		res_pool->dwbc[i]->mcif = res_pool->mcif_wb[i];
2907 
2908 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2909 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2910 
2911 		if (tg->funcs->is_tg_enabled(tg))
2912 			tg->funcs->unlock(tg);
2913 	}
2914 
2915 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2916 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2917 
2918 		dc->hwss.disable_plane(dc, pipe_ctx);
2919 
2920 		pipe_ctx->stream_res.tg = NULL;
2921 		pipe_ctx->plane_res.hubp = NULL;
2922 	}
2923 
2924 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2925 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2926 
2927 		tg->funcs->tg_init(tg);
2928 	}
2929 
2930 	if (dc->res_pool->hubbub->funcs->init_crb)
2931 		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
2932 }
2933 #ifndef TRIM_FSFT
2934 bool dcn20_optimize_timing_for_fsft(struct dc *dc,
2935 		struct dc_crtc_timing *timing,
2936 		unsigned int max_input_rate_in_khz)
2937 {
2938 	unsigned int old_v_front_porch;
2939 	unsigned int old_v_total;
2940 	unsigned int max_input_rate_in_100hz;
2941 	unsigned long long new_v_total;
2942 
2943 	max_input_rate_in_100hz = max_input_rate_in_khz * 10;
2944 	if (max_input_rate_in_100hz < timing->pix_clk_100hz)
2945 		return false;
2946 
2947 	old_v_total = timing->v_total;
2948 	old_v_front_porch = timing->v_front_porch;
2949 
2950 	timing->fast_transport_output_rate_100hz = timing->pix_clk_100hz;
2951 	timing->pix_clk_100hz = max_input_rate_in_100hz;
2952 
2953 	new_v_total = div_u64((unsigned long long)old_v_total * max_input_rate_in_100hz, timing->pix_clk_100hz);
2954 
2955 	timing->v_total = new_v_total;
2956 	timing->v_front_porch = old_v_front_porch + (timing->v_total - old_v_total);
2957 	return true;
2958 }
2959 #endif
2960 
2961 void dcn20_set_disp_pattern_generator(const struct dc *dc,
2962 		struct pipe_ctx *pipe_ctx,
2963 		enum controller_dp_test_pattern test_pattern,
2964 		enum controller_dp_color_space color_space,
2965 		enum dc_color_depth color_depth,
2966 		const struct tg_color *solid_color,
2967 		int width, int height, int offset)
2968 {
2969 	pipe_ctx->stream_res.opp->funcs->opp_set_disp_pattern_generator(pipe_ctx->stream_res.opp, test_pattern,
2970 			color_space, color_depth, solid_color, width, height, offset);
2971 }
2972