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 "dc_link_dp.h"
50 #include "vm_helper.h"
51 #include "dccg.h"
52 #include "dc_dmub_srv.h"
53 #include "dce/dmub_hw_lock_mgr.h"
54 #include "hw_sequencer.h"
55 #include "inc/link_dpcd.h"
56 #include "dpcd_defs.h"
57 #include "inc/link_enc_cfg.h"
58 #include "link_hwss.h"
59 
60 #define DC_LOGGER_INIT(logger)
61 
62 #define CTX \
63 	hws->ctx
64 #define REG(reg)\
65 	hws->regs->reg
66 
67 #undef FN
68 #define FN(reg_name, field_name) \
69 	hws->shifts->field_name, hws->masks->field_name
70 
71 static int find_free_gsl_group(const struct dc *dc)
72 {
73 	if (dc->res_pool->gsl_groups.gsl_0 == 0)
74 		return 1;
75 	if (dc->res_pool->gsl_groups.gsl_1 == 0)
76 		return 2;
77 	if (dc->res_pool->gsl_groups.gsl_2 == 0)
78 		return 3;
79 
80 	return 0;
81 }
82 
83 /* NOTE: This is not a generic setup_gsl function (hence the suffix as_lock)
84  * This is only used to lock pipes in pipe splitting case with immediate flip
85  * Ordinary MPC/OTG locks suppress VUPDATE which doesn't help with immediate,
86  * so we get tearing with freesync since we cannot flip multiple pipes
87  * atomically.
88  * We use GSL for this:
89  * - immediate flip: find first available GSL group if not already assigned
90  *                   program gsl with that group, set current OTG as master
91  *                   and always us 0x4 = AND of flip_ready from all pipes
92  * - vsync flip: disable GSL if used
93  *
94  * Groups in stream_res are stored as +1 from HW registers, i.e.
95  * gsl_0 <=> pipe_ctx->stream_res.gsl_group == 1
96  * Using a magic value like -1 would require tracking all inits/resets
97  */
98 static void dcn20_setup_gsl_group_as_lock(
99 		const struct dc *dc,
100 		struct pipe_ctx *pipe_ctx,
101 		bool enable)
102 {
103 	struct gsl_params gsl;
104 	int group_idx;
105 
106 	memset(&gsl, 0, sizeof(struct gsl_params));
107 
108 	if (enable) {
109 		/* return if group already assigned since GSL was set up
110 		 * for vsync flip, we would unassign so it can't be "left over"
111 		 */
112 		if (pipe_ctx->stream_res.gsl_group > 0)
113 			return;
114 
115 		group_idx = find_free_gsl_group(dc);
116 		ASSERT(group_idx != 0);
117 		pipe_ctx->stream_res.gsl_group = group_idx;
118 
119 		/* set gsl group reg field and mark resource used */
120 		switch (group_idx) {
121 		case 1:
122 			gsl.gsl0_en = 1;
123 			dc->res_pool->gsl_groups.gsl_0 = 1;
124 			break;
125 		case 2:
126 			gsl.gsl1_en = 1;
127 			dc->res_pool->gsl_groups.gsl_1 = 1;
128 			break;
129 		case 3:
130 			gsl.gsl2_en = 1;
131 			dc->res_pool->gsl_groups.gsl_2 = 1;
132 			break;
133 		default:
134 			BREAK_TO_DEBUGGER();
135 			return; // invalid case
136 		}
137 		gsl.gsl_master_en = 1;
138 	} else {
139 		group_idx = pipe_ctx->stream_res.gsl_group;
140 		if (group_idx == 0)
141 			return; // if not in use, just return
142 
143 		pipe_ctx->stream_res.gsl_group = 0;
144 
145 		/* unset gsl group reg field and mark resource free */
146 		switch (group_idx) {
147 		case 1:
148 			gsl.gsl0_en = 0;
149 			dc->res_pool->gsl_groups.gsl_0 = 0;
150 			break;
151 		case 2:
152 			gsl.gsl1_en = 0;
153 			dc->res_pool->gsl_groups.gsl_1 = 0;
154 			break;
155 		case 3:
156 			gsl.gsl2_en = 0;
157 			dc->res_pool->gsl_groups.gsl_2 = 0;
158 			break;
159 		default:
160 			BREAK_TO_DEBUGGER();
161 			return;
162 		}
163 		gsl.gsl_master_en = 0;
164 	}
165 
166 	/* at this point we want to program whether it's to enable or disable */
167 	if (pipe_ctx->stream_res.tg->funcs->set_gsl != NULL &&
168 		pipe_ctx->stream_res.tg->funcs->set_gsl_source_select != NULL) {
169 		pipe_ctx->stream_res.tg->funcs->set_gsl(
170 			pipe_ctx->stream_res.tg,
171 			&gsl);
172 
173 		pipe_ctx->stream_res.tg->funcs->set_gsl_source_select(
174 			pipe_ctx->stream_res.tg, group_idx,	enable ? 4 : 0);
175 	} else
176 		BREAK_TO_DEBUGGER();
177 }
178 
179 void dcn20_set_flip_control_gsl(
180 		struct pipe_ctx *pipe_ctx,
181 		bool flip_immediate)
182 {
183 	if (pipe_ctx && pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl)
184 		pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl(
185 				pipe_ctx->plane_res.hubp, flip_immediate);
186 
187 }
188 
189 void dcn20_enable_power_gating_plane(
190 	struct dce_hwseq *hws,
191 	bool enable)
192 {
193 	bool force_on = true; /* disable power gating */
194 
195 	if (enable)
196 		force_on = false;
197 
198 	/* DCHUBP0/1/2/3/4/5 */
199 	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN0_POWER_FORCEON, force_on);
200 	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN2_POWER_FORCEON, force_on);
201 	REG_UPDATE(DOMAIN4_PG_CONFIG, DOMAIN4_POWER_FORCEON, force_on);
202 	REG_UPDATE(DOMAIN6_PG_CONFIG, DOMAIN6_POWER_FORCEON, force_on);
203 	if (REG(DOMAIN8_PG_CONFIG))
204 		REG_UPDATE(DOMAIN8_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
205 	if (REG(DOMAIN10_PG_CONFIG))
206 		REG_UPDATE(DOMAIN10_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
207 
208 	/* DPP0/1/2/3/4/5 */
209 	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN1_POWER_FORCEON, force_on);
210 	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN3_POWER_FORCEON, force_on);
211 	REG_UPDATE(DOMAIN5_PG_CONFIG, DOMAIN5_POWER_FORCEON, force_on);
212 	REG_UPDATE(DOMAIN7_PG_CONFIG, DOMAIN7_POWER_FORCEON, force_on);
213 	if (REG(DOMAIN9_PG_CONFIG))
214 		REG_UPDATE(DOMAIN9_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
215 	if (REG(DOMAIN11_PG_CONFIG))
216 		REG_UPDATE(DOMAIN11_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
217 
218 	/* DCS0/1/2/3/4/5 */
219 	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN16_POWER_FORCEON, force_on);
220 	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN17_POWER_FORCEON, force_on);
221 	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN18_POWER_FORCEON, force_on);
222 	if (REG(DOMAIN19_PG_CONFIG))
223 		REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN19_POWER_FORCEON, force_on);
224 	if (REG(DOMAIN20_PG_CONFIG))
225 		REG_UPDATE(DOMAIN20_PG_CONFIG, DOMAIN20_POWER_FORCEON, force_on);
226 	if (REG(DOMAIN21_PG_CONFIG))
227 		REG_UPDATE(DOMAIN21_PG_CONFIG, DOMAIN21_POWER_FORCEON, force_on);
228 }
229 
230 void dcn20_dccg_init(struct dce_hwseq *hws)
231 {
232 	/*
233 	 * set MICROSECOND_TIME_BASE_DIV
234 	 * 100Mhz refclk -> 0x120264
235 	 * 27Mhz refclk -> 0x12021b
236 	 * 48Mhz refclk -> 0x120230
237 	 *
238 	 */
239 	REG_WRITE(MICROSECOND_TIME_BASE_DIV, 0x120264);
240 
241 	/*
242 	 * set MILLISECOND_TIME_BASE_DIV
243 	 * 100Mhz refclk -> 0x1186a0
244 	 * 27Mhz refclk -> 0x106978
245 	 * 48Mhz refclk -> 0x10bb80
246 	 *
247 	 */
248 	REG_WRITE(MILLISECOND_TIME_BASE_DIV, 0x1186a0);
249 
250 	/* This value is dependent on the hardware pipeline delay so set once per SOC */
251 	REG_WRITE(DISPCLK_FREQ_CHANGE_CNTL, 0xe01003c);
252 }
253 
254 void dcn20_disable_vga(
255 	struct dce_hwseq *hws)
256 {
257 	REG_WRITE(D1VGA_CONTROL, 0);
258 	REG_WRITE(D2VGA_CONTROL, 0);
259 	REG_WRITE(D3VGA_CONTROL, 0);
260 	REG_WRITE(D4VGA_CONTROL, 0);
261 	REG_WRITE(D5VGA_CONTROL, 0);
262 	REG_WRITE(D6VGA_CONTROL, 0);
263 }
264 
265 void dcn20_program_triple_buffer(
266 	const struct dc *dc,
267 	struct pipe_ctx *pipe_ctx,
268 	bool enable_triple_buffer)
269 {
270 	if (pipe_ctx->plane_res.hubp && pipe_ctx->plane_res.hubp->funcs) {
271 		pipe_ctx->plane_res.hubp->funcs->hubp_enable_tripleBuffer(
272 			pipe_ctx->plane_res.hubp,
273 			enable_triple_buffer);
274 	}
275 }
276 
277 /* Blank pixel data during initialization */
278 void dcn20_init_blank(
279 		struct dc *dc,
280 		struct timing_generator *tg)
281 {
282 	struct dce_hwseq *hws = dc->hwseq;
283 	enum dc_color_space color_space;
284 	struct tg_color black_color = {0};
285 	struct output_pixel_processor *opp = NULL;
286 	struct output_pixel_processor *bottom_opp = NULL;
287 	uint32_t num_opps, opp_id_src0, opp_id_src1;
288 	uint32_t otg_active_width, otg_active_height;
289 
290 	/* program opp dpg blank color */
291 	color_space = COLOR_SPACE_SRGB;
292 	color_space_to_black_color(dc, color_space, &black_color);
293 
294 	/* get the OTG active size */
295 	tg->funcs->get_otg_active_size(tg,
296 			&otg_active_width,
297 			&otg_active_height);
298 
299 	/* get the OPTC source */
300 	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
301 
302 	if (opp_id_src0 >= dc->res_pool->res_cap->num_opp) {
303 		ASSERT(false);
304 		return;
305 	}
306 	opp = dc->res_pool->opps[opp_id_src0];
307 
308 	if (num_opps == 2) {
309 		otg_active_width = otg_active_width / 2;
310 
311 		if (opp_id_src1 >= dc->res_pool->res_cap->num_opp) {
312 			ASSERT(false);
313 			return;
314 		}
315 		bottom_opp = dc->res_pool->opps[opp_id_src1];
316 	}
317 
318 	opp->funcs->opp_set_disp_pattern_generator(
319 			opp,
320 			CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
321 			CONTROLLER_DP_COLOR_SPACE_UDEFINED,
322 			COLOR_DEPTH_UNDEFINED,
323 			&black_color,
324 			otg_active_width,
325 			otg_active_height,
326 			0);
327 
328 	if (num_opps == 2) {
329 		bottom_opp->funcs->opp_set_disp_pattern_generator(
330 				bottom_opp,
331 				CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
332 				CONTROLLER_DP_COLOR_SPACE_UDEFINED,
333 				COLOR_DEPTH_UNDEFINED,
334 				&black_color,
335 				otg_active_width,
336 				otg_active_height,
337 				0);
338 	}
339 
340 	hws->funcs.wait_for_blank_complete(opp);
341 }
342 
343 void dcn20_dsc_pg_control(
344 		struct dce_hwseq *hws,
345 		unsigned int dsc_inst,
346 		bool power_on)
347 {
348 	uint32_t power_gate = power_on ? 0 : 1;
349 	uint32_t pwr_status = power_on ? 0 : 2;
350 	uint32_t org_ip_request_cntl = 0;
351 
352 	if (hws->ctx->dc->debug.disable_dsc_power_gate)
353 		return;
354 
355 	if (REG(DOMAIN16_PG_CONFIG) == 0)
356 		return;
357 
358 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
359 	if (org_ip_request_cntl == 0)
360 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
361 
362 	switch (dsc_inst) {
363 	case 0: /* DSC0 */
364 		REG_UPDATE(DOMAIN16_PG_CONFIG,
365 				DOMAIN16_POWER_GATE, power_gate);
366 
367 		REG_WAIT(DOMAIN16_PG_STATUS,
368 				DOMAIN16_PGFSM_PWR_STATUS, pwr_status,
369 				1, 1000);
370 		break;
371 	case 1: /* DSC1 */
372 		REG_UPDATE(DOMAIN17_PG_CONFIG,
373 				DOMAIN17_POWER_GATE, power_gate);
374 
375 		REG_WAIT(DOMAIN17_PG_STATUS,
376 				DOMAIN17_PGFSM_PWR_STATUS, pwr_status,
377 				1, 1000);
378 		break;
379 	case 2: /* DSC2 */
380 		REG_UPDATE(DOMAIN18_PG_CONFIG,
381 				DOMAIN18_POWER_GATE, power_gate);
382 
383 		REG_WAIT(DOMAIN18_PG_STATUS,
384 				DOMAIN18_PGFSM_PWR_STATUS, pwr_status,
385 				1, 1000);
386 		break;
387 	case 3: /* DSC3 */
388 		REG_UPDATE(DOMAIN19_PG_CONFIG,
389 				DOMAIN19_POWER_GATE, power_gate);
390 
391 		REG_WAIT(DOMAIN19_PG_STATUS,
392 				DOMAIN19_PGFSM_PWR_STATUS, pwr_status,
393 				1, 1000);
394 		break;
395 	case 4: /* DSC4 */
396 		REG_UPDATE(DOMAIN20_PG_CONFIG,
397 				DOMAIN20_POWER_GATE, power_gate);
398 
399 		REG_WAIT(DOMAIN20_PG_STATUS,
400 				DOMAIN20_PGFSM_PWR_STATUS, pwr_status,
401 				1, 1000);
402 		break;
403 	case 5: /* DSC5 */
404 		REG_UPDATE(DOMAIN21_PG_CONFIG,
405 				DOMAIN21_POWER_GATE, power_gate);
406 
407 		REG_WAIT(DOMAIN21_PG_STATUS,
408 				DOMAIN21_PGFSM_PWR_STATUS, pwr_status,
409 				1, 1000);
410 		break;
411 	default:
412 		BREAK_TO_DEBUGGER();
413 		break;
414 	}
415 
416 	if (org_ip_request_cntl == 0)
417 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
418 }
419 
420 void dcn20_dpp_pg_control(
421 		struct dce_hwseq *hws,
422 		unsigned int dpp_inst,
423 		bool power_on)
424 {
425 	uint32_t power_gate = power_on ? 0 : 1;
426 	uint32_t pwr_status = power_on ? 0 : 2;
427 
428 	if (hws->ctx->dc->debug.disable_dpp_power_gate)
429 		return;
430 	if (REG(DOMAIN1_PG_CONFIG) == 0)
431 		return;
432 
433 	switch (dpp_inst) {
434 	case 0: /* DPP0 */
435 		REG_UPDATE(DOMAIN1_PG_CONFIG,
436 				DOMAIN1_POWER_GATE, power_gate);
437 
438 		REG_WAIT(DOMAIN1_PG_STATUS,
439 				DOMAIN1_PGFSM_PWR_STATUS, pwr_status,
440 				1, 1000);
441 		break;
442 	case 1: /* DPP1 */
443 		REG_UPDATE(DOMAIN3_PG_CONFIG,
444 				DOMAIN3_POWER_GATE, power_gate);
445 
446 		REG_WAIT(DOMAIN3_PG_STATUS,
447 				DOMAIN3_PGFSM_PWR_STATUS, pwr_status,
448 				1, 1000);
449 		break;
450 	case 2: /* DPP2 */
451 		REG_UPDATE(DOMAIN5_PG_CONFIG,
452 				DOMAIN5_POWER_GATE, power_gate);
453 
454 		REG_WAIT(DOMAIN5_PG_STATUS,
455 				DOMAIN5_PGFSM_PWR_STATUS, pwr_status,
456 				1, 1000);
457 		break;
458 	case 3: /* DPP3 */
459 		REG_UPDATE(DOMAIN7_PG_CONFIG,
460 				DOMAIN7_POWER_GATE, power_gate);
461 
462 		REG_WAIT(DOMAIN7_PG_STATUS,
463 				DOMAIN7_PGFSM_PWR_STATUS, pwr_status,
464 				1, 1000);
465 		break;
466 	case 4: /* DPP4 */
467 		REG_UPDATE(DOMAIN9_PG_CONFIG,
468 				DOMAIN9_POWER_GATE, power_gate);
469 
470 		REG_WAIT(DOMAIN9_PG_STATUS,
471 				DOMAIN9_PGFSM_PWR_STATUS, pwr_status,
472 				1, 1000);
473 		break;
474 	case 5: /* DPP5 */
475 		/*
476 		 * Do not power gate DPP5, should be left at HW default, power on permanently.
477 		 * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
478 		 * reset.
479 		 * REG_UPDATE(DOMAIN11_PG_CONFIG,
480 		 *		DOMAIN11_POWER_GATE, power_gate);
481 		 *
482 		 * REG_WAIT(DOMAIN11_PG_STATUS,
483 		 *		DOMAIN11_PGFSM_PWR_STATUS, pwr_status,
484 		 * 		1, 1000);
485 		 */
486 		break;
487 	default:
488 		BREAK_TO_DEBUGGER();
489 		break;
490 	}
491 }
492 
493 
494 void dcn20_hubp_pg_control(
495 		struct dce_hwseq *hws,
496 		unsigned int hubp_inst,
497 		bool power_on)
498 {
499 	uint32_t power_gate = power_on ? 0 : 1;
500 	uint32_t pwr_status = power_on ? 0 : 2;
501 
502 	if (hws->ctx->dc->debug.disable_hubp_power_gate)
503 		return;
504 	if (REG(DOMAIN0_PG_CONFIG) == 0)
505 		return;
506 
507 	switch (hubp_inst) {
508 	case 0: /* DCHUBP0 */
509 		REG_UPDATE(DOMAIN0_PG_CONFIG,
510 				DOMAIN0_POWER_GATE, power_gate);
511 
512 		REG_WAIT(DOMAIN0_PG_STATUS,
513 				DOMAIN0_PGFSM_PWR_STATUS, pwr_status,
514 				1, 1000);
515 		break;
516 	case 1: /* DCHUBP1 */
517 		REG_UPDATE(DOMAIN2_PG_CONFIG,
518 				DOMAIN2_POWER_GATE, power_gate);
519 
520 		REG_WAIT(DOMAIN2_PG_STATUS,
521 				DOMAIN2_PGFSM_PWR_STATUS, pwr_status,
522 				1, 1000);
523 		break;
524 	case 2: /* DCHUBP2 */
525 		REG_UPDATE(DOMAIN4_PG_CONFIG,
526 				DOMAIN4_POWER_GATE, power_gate);
527 
528 		REG_WAIT(DOMAIN4_PG_STATUS,
529 				DOMAIN4_PGFSM_PWR_STATUS, pwr_status,
530 				1, 1000);
531 		break;
532 	case 3: /* DCHUBP3 */
533 		REG_UPDATE(DOMAIN6_PG_CONFIG,
534 				DOMAIN6_POWER_GATE, power_gate);
535 
536 		REG_WAIT(DOMAIN6_PG_STATUS,
537 				DOMAIN6_PGFSM_PWR_STATUS, pwr_status,
538 				1, 1000);
539 		break;
540 	case 4: /* DCHUBP4 */
541 		REG_UPDATE(DOMAIN8_PG_CONFIG,
542 				DOMAIN8_POWER_GATE, power_gate);
543 
544 		REG_WAIT(DOMAIN8_PG_STATUS,
545 				DOMAIN8_PGFSM_PWR_STATUS, pwr_status,
546 				1, 1000);
547 		break;
548 	case 5: /* DCHUBP5 */
549 		/*
550 		 * Do not power gate DCHUB5, should be left at HW default, power on permanently.
551 		 * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
552 		 * reset.
553 		 * REG_UPDATE(DOMAIN10_PG_CONFIG,
554 		 *		DOMAIN10_POWER_GATE, power_gate);
555 		 *
556 		 * REG_WAIT(DOMAIN10_PG_STATUS,
557 		 *		DOMAIN10_PGFSM_PWR_STATUS, pwr_status,
558 		 *		1, 1000);
559 		 */
560 		break;
561 	default:
562 		BREAK_TO_DEBUGGER();
563 		break;
564 	}
565 }
566 
567 
568 /* disable HW used by plane.
569  * note:  cannot disable until disconnect is complete
570  */
571 void dcn20_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
572 {
573 	struct dce_hwseq *hws = dc->hwseq;
574 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
575 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
576 
577 	dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe_ctx);
578 
579 	/* In flip immediate with pipe splitting case GSL is used for
580 	 * synchronization so we must disable it when the plane is disabled.
581 	 */
582 	if (pipe_ctx->stream_res.gsl_group != 0)
583 		dcn20_setup_gsl_group_as_lock(dc, pipe_ctx, false);
584 
585 	dc->hwss.set_flip_control_gsl(pipe_ctx, false);
586 
587 	hubp->funcs->hubp_clk_cntl(hubp, false);
588 
589 	dpp->funcs->dpp_dppclk_control(dpp, false, false);
590 
591 	hubp->power_gated = true;
592 
593 	hws->funcs.plane_atomic_power_down(dc,
594 			pipe_ctx->plane_res.dpp,
595 			pipe_ctx->plane_res.hubp);
596 
597 	pipe_ctx->stream = NULL;
598 	memset(&pipe_ctx->stream_res, 0, sizeof(pipe_ctx->stream_res));
599 	memset(&pipe_ctx->plane_res, 0, sizeof(pipe_ctx->plane_res));
600 	pipe_ctx->top_pipe = NULL;
601 	pipe_ctx->bottom_pipe = NULL;
602 	pipe_ctx->plane_state = NULL;
603 }
604 
605 
606 void dcn20_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx)
607 {
608 	DC_LOGGER_INIT(dc->ctx->logger);
609 
610 	if (!pipe_ctx->plane_res.hubp || pipe_ctx->plane_res.hubp->power_gated)
611 		return;
612 
613 	dcn20_plane_atomic_disable(dc, pipe_ctx);
614 
615 	DC_LOG_DC("Power down front end %d\n",
616 					pipe_ctx->pipe_idx);
617 }
618 
619 void dcn20_disable_pixel_data(struct dc *dc, struct pipe_ctx *pipe_ctx, bool blank)
620 {
621 	dcn20_blank_pixel_data(dc, pipe_ctx, blank);
622 }
623 
624 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
625 		int opp_cnt)
626 {
627 	bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
628 	int flow_ctrl_cnt;
629 
630 	if (opp_cnt >= 2)
631 		hblank_halved = true;
632 
633 	flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
634 			stream->timing.h_border_left -
635 			stream->timing.h_border_right;
636 
637 	if (hblank_halved)
638 		flow_ctrl_cnt /= 2;
639 
640 	/* ODM combine 4:1 case */
641 	if (opp_cnt == 4)
642 		flow_ctrl_cnt /= 2;
643 
644 	return flow_ctrl_cnt;
645 }
646 
647 enum dc_status dcn20_enable_stream_timing(
648 		struct pipe_ctx *pipe_ctx,
649 		struct dc_state *context,
650 		struct dc *dc)
651 {
652 	struct dce_hwseq *hws = dc->hwseq;
653 	struct dc_stream_state *stream = pipe_ctx->stream;
654 	struct drr_params params = {0};
655 	unsigned int event_triggers = 0;
656 	struct pipe_ctx *odm_pipe;
657 	int opp_cnt = 1;
658 	int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
659 	bool interlace = stream->timing.flags.INTERLACE;
660 	int i;
661 	struct mpc_dwb_flow_control flow_control;
662 	struct mpc *mpc = dc->res_pool->mpc;
663 	bool rate_control_2x_pclk = (interlace || optc2_is_two_pixels_per_containter(&stream->timing));
664 	unsigned int k1_div = PIXEL_RATE_DIV_NA;
665 	unsigned int k2_div = PIXEL_RATE_DIV_NA;
666 
667 	if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) {
668 		hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
669 
670 		dc->res_pool->dccg->funcs->set_pixel_rate_div(
671 			dc->res_pool->dccg,
672 			pipe_ctx->stream_res.tg->inst,
673 			k1_div, k2_div);
674 	}
675 	/* by upper caller loop, pipe0 is parent pipe and be called first.
676 	 * back end is set up by for pipe0. Other children pipe share back end
677 	 * with pipe 0. No program is needed.
678 	 */
679 	if (pipe_ctx->top_pipe != NULL)
680 		return DC_OK;
681 
682 	/* TODO check if timing_changed, disable stream if timing changed */
683 
684 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
685 		opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
686 		opp_cnt++;
687 	}
688 
689 	if (opp_cnt > 1)
690 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
691 				pipe_ctx->stream_res.tg,
692 				opp_inst, opp_cnt,
693 				&pipe_ctx->stream->timing);
694 
695 	/* HW program guide assume display already disable
696 	 * by unplug sequence. OTG assume stop.
697 	 */
698 	pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, true);
699 
700 	if (false == pipe_ctx->clock_source->funcs->program_pix_clk(
701 			pipe_ctx->clock_source,
702 			&pipe_ctx->stream_res.pix_clk_params,
703 			dp_get_link_encoding_format(&pipe_ctx->link_config.dp_link_settings),
704 			&pipe_ctx->pll_settings)) {
705 		BREAK_TO_DEBUGGER();
706 		return DC_ERROR_UNEXPECTED;
707 	}
708 
709 	if (dc_is_hdmi_tmds_signal(stream->signal)) {
710 		stream->link->phy_state.symclk_ref_cnts.otg = 1;
711 		if (stream->link->phy_state.symclk_state == SYMCLK_OFF_TX_OFF)
712 			stream->link->phy_state.symclk_state = SYMCLK_ON_TX_OFF;
713 		else
714 			stream->link->phy_state.symclk_state = SYMCLK_ON_TX_ON;
715 	}
716 
717 	if (dc->hwseq->funcs.PLAT_58856_wa && (!dc_is_dp_signal(stream->signal)))
718 		dc->hwseq->funcs.PLAT_58856_wa(context, pipe_ctx);
719 
720 	pipe_ctx->stream_res.tg->funcs->program_timing(
721 			pipe_ctx->stream_res.tg,
722 			&stream->timing,
723 			pipe_ctx->pipe_dlg_param.vready_offset,
724 			pipe_ctx->pipe_dlg_param.vstartup_start,
725 			pipe_ctx->pipe_dlg_param.vupdate_offset,
726 			pipe_ctx->pipe_dlg_param.vupdate_width,
727 			pipe_ctx->stream->signal,
728 			true);
729 
730 	rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
731 	flow_control.flow_ctrl_mode = 0;
732 	flow_control.flow_ctrl_cnt0 = 0x80;
733 	flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(stream, opp_cnt);
734 	if (mpc->funcs->set_out_rate_control) {
735 		for (i = 0; i < opp_cnt; ++i) {
736 			mpc->funcs->set_out_rate_control(
737 					mpc, opp_inst[i],
738 					true,
739 					rate_control_2x_pclk,
740 					&flow_control);
741 		}
742 	}
743 
744 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
745 		odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
746 				odm_pipe->stream_res.opp,
747 				true);
748 
749 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
750 			pipe_ctx->stream_res.opp,
751 			true);
752 
753 	hws->funcs.blank_pixel_data(dc, pipe_ctx, true);
754 
755 	/* VTG is  within DCHUB command block. DCFCLK is always on */
756 	if (false == pipe_ctx->stream_res.tg->funcs->enable_crtc(pipe_ctx->stream_res.tg)) {
757 		BREAK_TO_DEBUGGER();
758 		return DC_ERROR_UNEXPECTED;
759 	}
760 
761 	hws->funcs.wait_for_blank_complete(pipe_ctx->stream_res.opp);
762 
763 	params.vertical_total_min = stream->adjust.v_total_min;
764 	params.vertical_total_max = stream->adjust.v_total_max;
765 	params.vertical_total_mid = stream->adjust.v_total_mid;
766 	params.vertical_total_mid_frame_num = stream->adjust.v_total_mid_frame_num;
767 	if (pipe_ctx->stream_res.tg->funcs->set_drr)
768 		pipe_ctx->stream_res.tg->funcs->set_drr(
769 			pipe_ctx->stream_res.tg, &params);
770 
771 	// DRR should set trigger event to monitor surface update event
772 	if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0)
773 		event_triggers = 0x80;
774 	/* Event triggers and num frames initialized for DRR, but can be
775 	 * later updated for PSR use. Note DRR trigger events are generated
776 	 * regardless of whether num frames met.
777 	 */
778 	if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control)
779 		pipe_ctx->stream_res.tg->funcs->set_static_screen_control(
780 				pipe_ctx->stream_res.tg, event_triggers, 2);
781 
782 	/* TODO program crtc source select for non-virtual signal*/
783 	/* TODO program FMT */
784 	/* TODO setup link_enc */
785 	/* TODO set stream attributes */
786 	/* TODO program audio */
787 	/* TODO enable stream if timing changed */
788 	/* TODO unblank stream if DP */
789 
790 	if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM) {
791 		if (pipe_ctx->stream_res.tg && pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable)
792 			pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable(pipe_ctx->stream_res.tg);
793 	}
794 	return DC_OK;
795 }
796 
797 void dcn20_program_output_csc(struct dc *dc,
798 		struct pipe_ctx *pipe_ctx,
799 		enum dc_color_space colorspace,
800 		uint16_t *matrix,
801 		int opp_id)
802 {
803 	struct mpc *mpc = dc->res_pool->mpc;
804 	enum mpc_output_csc_mode ocsc_mode = MPC_OUTPUT_CSC_COEF_A;
805 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
806 
807 	if (mpc->funcs->power_on_mpc_mem_pwr)
808 		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
809 
810 	if (pipe_ctx->stream->csc_color_matrix.enable_adjustment == true) {
811 		if (mpc->funcs->set_output_csc != NULL)
812 			mpc->funcs->set_output_csc(mpc,
813 					opp_id,
814 					matrix,
815 					ocsc_mode);
816 	} else {
817 		if (mpc->funcs->set_ocsc_default != NULL)
818 			mpc->funcs->set_ocsc_default(mpc,
819 					opp_id,
820 					colorspace,
821 					ocsc_mode);
822 	}
823 }
824 
825 bool dcn20_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
826 				const struct dc_stream_state *stream)
827 {
828 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
829 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
830 	struct pwl_params *params = NULL;
831 	/*
832 	 * program OGAM only for the top pipe
833 	 * if there is a pipe split then fix diagnostic is required:
834 	 * how to pass OGAM parameter for stream.
835 	 * if programming for all pipes is required then remove condition
836 	 * pipe_ctx->top_pipe == NULL ,but then fix the diagnostic.
837 	 */
838 	if (mpc->funcs->power_on_mpc_mem_pwr)
839 		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
840 	if (pipe_ctx->top_pipe == NULL
841 			&& mpc->funcs->set_output_gamma && stream->out_transfer_func) {
842 		if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
843 			params = &stream->out_transfer_func->pwl;
844 		else if (pipe_ctx->stream->out_transfer_func->type ==
845 			TF_TYPE_DISTRIBUTED_POINTS &&
846 			cm_helper_translate_curve_to_hw_format(
847 			stream->out_transfer_func,
848 			&mpc->blender_params, false))
849 			params = &mpc->blender_params;
850 		/*
851 		 * there is no ROM
852 		 */
853 		if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
854 			BREAK_TO_DEBUGGER();
855 	}
856 	/*
857 	 * if above if is not executed then 'params' equal to 0 and set in bypass
858 	 */
859 	mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
860 
861 	return true;
862 }
863 
864 bool dcn20_set_blend_lut(
865 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
866 {
867 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
868 	bool result = true;
869 	struct pwl_params *blend_lut = NULL;
870 
871 	if (plane_state->blend_tf) {
872 		if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
873 			blend_lut = &plane_state->blend_tf->pwl;
874 		else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
875 			cm_helper_translate_curve_to_hw_format(
876 					plane_state->blend_tf,
877 					&dpp_base->regamma_params, false);
878 			blend_lut = &dpp_base->regamma_params;
879 		}
880 	}
881 	result = dpp_base->funcs->dpp_program_blnd_lut(dpp_base, blend_lut);
882 
883 	return result;
884 }
885 
886 bool dcn20_set_shaper_3dlut(
887 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
888 {
889 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
890 	bool result = true;
891 	struct pwl_params *shaper_lut = NULL;
892 
893 	if (plane_state->in_shaper_func) {
894 		if (plane_state->in_shaper_func->type == TF_TYPE_HWPWL)
895 			shaper_lut = &plane_state->in_shaper_func->pwl;
896 		else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) {
897 			cm_helper_translate_curve_to_hw_format(
898 					plane_state->in_shaper_func,
899 					&dpp_base->shaper_params, true);
900 			shaper_lut = &dpp_base->shaper_params;
901 		}
902 	}
903 
904 	result = dpp_base->funcs->dpp_program_shaper_lut(dpp_base, shaper_lut);
905 	if (plane_state->lut3d_func &&
906 		plane_state->lut3d_func->state.bits.initialized == 1)
907 		result = dpp_base->funcs->dpp_program_3dlut(dpp_base,
908 								&plane_state->lut3d_func->lut_3d);
909 	else
910 		result = dpp_base->funcs->dpp_program_3dlut(dpp_base, NULL);
911 
912 	return result;
913 }
914 
915 bool dcn20_set_input_transfer_func(struct dc *dc,
916 				struct pipe_ctx *pipe_ctx,
917 				const struct dc_plane_state *plane_state)
918 {
919 	struct dce_hwseq *hws = dc->hwseq;
920 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
921 	const struct dc_transfer_func *tf = NULL;
922 	bool result = true;
923 	bool use_degamma_ram = false;
924 
925 	if (dpp_base == NULL || plane_state == NULL)
926 		return false;
927 
928 	hws->funcs.set_shaper_3dlut(pipe_ctx, plane_state);
929 	hws->funcs.set_blend_lut(pipe_ctx, plane_state);
930 
931 	if (plane_state->in_transfer_func)
932 		tf = plane_state->in_transfer_func;
933 
934 
935 	if (tf == NULL) {
936 		dpp_base->funcs->dpp_set_degamma(dpp_base,
937 				IPP_DEGAMMA_MODE_BYPASS);
938 		return true;
939 	}
940 
941 	if (tf->type == TF_TYPE_HWPWL || tf->type == TF_TYPE_DISTRIBUTED_POINTS)
942 		use_degamma_ram = true;
943 
944 	if (use_degamma_ram == true) {
945 		if (tf->type == TF_TYPE_HWPWL)
946 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
947 					&tf->pwl);
948 		else if (tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
949 			cm_helper_translate_curve_to_degamma_hw_format(tf,
950 					&dpp_base->degamma_params);
951 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
952 				&dpp_base->degamma_params);
953 		}
954 		return true;
955 	}
956 	/* handle here the optimized cases when de-gamma ROM could be used.
957 	 *
958 	 */
959 	if (tf->type == TF_TYPE_PREDEFINED) {
960 		switch (tf->tf) {
961 		case TRANSFER_FUNCTION_SRGB:
962 			dpp_base->funcs->dpp_set_degamma(dpp_base,
963 					IPP_DEGAMMA_MODE_HW_sRGB);
964 			break;
965 		case TRANSFER_FUNCTION_BT709:
966 			dpp_base->funcs->dpp_set_degamma(dpp_base,
967 					IPP_DEGAMMA_MODE_HW_xvYCC);
968 			break;
969 		case TRANSFER_FUNCTION_LINEAR:
970 			dpp_base->funcs->dpp_set_degamma(dpp_base,
971 					IPP_DEGAMMA_MODE_BYPASS);
972 			break;
973 		case TRANSFER_FUNCTION_PQ:
974 			dpp_base->funcs->dpp_set_degamma(dpp_base, IPP_DEGAMMA_MODE_USER_PWL);
975 			cm_helper_translate_curve_to_degamma_hw_format(tf, &dpp_base->degamma_params);
976 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base, &dpp_base->degamma_params);
977 			result = true;
978 			break;
979 		default:
980 			result = false;
981 			break;
982 		}
983 	} else if (tf->type == TF_TYPE_BYPASS)
984 		dpp_base->funcs->dpp_set_degamma(dpp_base,
985 				IPP_DEGAMMA_MODE_BYPASS);
986 	else {
987 		/*
988 		 * if we are here, we did not handle correctly.
989 		 * fix is required for this use case
990 		 */
991 		BREAK_TO_DEBUGGER();
992 		dpp_base->funcs->dpp_set_degamma(dpp_base,
993 				IPP_DEGAMMA_MODE_BYPASS);
994 	}
995 
996 	return result;
997 }
998 
999 void dcn20_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
1000 {
1001 	struct pipe_ctx *odm_pipe;
1002 	int opp_cnt = 1;
1003 	int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
1004 
1005 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1006 		opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
1007 		opp_cnt++;
1008 	}
1009 
1010 	if (opp_cnt > 1)
1011 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
1012 				pipe_ctx->stream_res.tg,
1013 				opp_inst, opp_cnt,
1014 				&pipe_ctx->stream->timing);
1015 	else
1016 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
1017 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
1018 }
1019 
1020 void dcn20_blank_pixel_data(
1021 		struct dc *dc,
1022 		struct pipe_ctx *pipe_ctx,
1023 		bool blank)
1024 {
1025 	struct tg_color black_color = {0};
1026 	struct stream_resource *stream_res = &pipe_ctx->stream_res;
1027 	struct dc_stream_state *stream = pipe_ctx->stream;
1028 	enum dc_color_space color_space = stream->output_color_space;
1029 	enum controller_dp_test_pattern test_pattern = CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR;
1030 	enum controller_dp_color_space test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_UDEFINED;
1031 	struct pipe_ctx *odm_pipe;
1032 	int odm_cnt = 1;
1033 
1034 	int width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
1035 	int height = stream->timing.v_addressable + stream->timing.v_border_bottom + stream->timing.v_border_top;
1036 
1037 	if (stream->link->test_pattern_enabled)
1038 		return;
1039 
1040 	/* get opp dpg blank color */
1041 	color_space_to_black_color(dc, color_space, &black_color);
1042 
1043 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1044 		odm_cnt++;
1045 
1046 	width = width / odm_cnt;
1047 
1048 	if (blank) {
1049 		dc->hwss.set_abm_immediate_disable(pipe_ctx);
1050 
1051 		if (dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
1052 			test_pattern = CONTROLLER_DP_TEST_PATTERN_COLORSQUARES;
1053 			test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_RGB;
1054 		}
1055 	} else {
1056 		test_pattern = CONTROLLER_DP_TEST_PATTERN_VIDEOMODE;
1057 	}
1058 
1059 	dc->hwss.set_disp_pattern_generator(dc,
1060 			pipe_ctx,
1061 			test_pattern,
1062 			test_pattern_color_space,
1063 			stream->timing.display_color_depth,
1064 			&black_color,
1065 			width,
1066 			height,
1067 			0);
1068 
1069 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1070 		dc->hwss.set_disp_pattern_generator(dc,
1071 				odm_pipe,
1072 				dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE && blank ?
1073 						CONTROLLER_DP_TEST_PATTERN_COLORRAMP : test_pattern,
1074 				test_pattern_color_space,
1075 				stream->timing.display_color_depth,
1076 				&black_color,
1077 				width,
1078 				height,
1079 				0);
1080 	}
1081 
1082 	if (!blank)
1083 		if (stream_res->abm) {
1084 			dc->hwss.set_pipe(pipe_ctx);
1085 			stream_res->abm->funcs->set_abm_level(stream_res->abm, stream->abm_level);
1086 		}
1087 }
1088 
1089 
1090 static void dcn20_power_on_plane(
1091 	struct dce_hwseq *hws,
1092 	struct pipe_ctx *pipe_ctx)
1093 {
1094 	DC_LOGGER_INIT(hws->ctx->logger);
1095 	if (REG(DC_IP_REQUEST_CNTL)) {
1096 		REG_SET(DC_IP_REQUEST_CNTL, 0,
1097 				IP_REQUEST_EN, 1);
1098 
1099 		if (hws->funcs.dpp_pg_control)
1100 			hws->funcs.dpp_pg_control(hws, pipe_ctx->plane_res.dpp->inst, true);
1101 
1102 		if (hws->funcs.hubp_pg_control)
1103 			hws->funcs.hubp_pg_control(hws, pipe_ctx->plane_res.hubp->inst, true);
1104 
1105 		REG_SET(DC_IP_REQUEST_CNTL, 0,
1106 				IP_REQUEST_EN, 0);
1107 		DC_LOG_DEBUG(
1108 				"Un-gated front end for pipe %d\n", pipe_ctx->plane_res.hubp->inst);
1109 	}
1110 }
1111 
1112 static void dcn20_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
1113 			       struct dc_state *context)
1114 {
1115 	//if (dc->debug.sanity_checks) {
1116 	//	dcn10_verify_allow_pstate_change_high(dc);
1117 	//}
1118 	dcn20_power_on_plane(dc->hwseq, pipe_ctx);
1119 
1120 	/* enable DCFCLK current DCHUB */
1121 	pipe_ctx->plane_res.hubp->funcs->hubp_clk_cntl(pipe_ctx->plane_res.hubp, true);
1122 
1123 	/* initialize HUBP on power up */
1124 	pipe_ctx->plane_res.hubp->funcs->hubp_init(pipe_ctx->plane_res.hubp);
1125 
1126 	/* make sure OPP_PIPE_CLOCK_EN = 1 */
1127 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
1128 			pipe_ctx->stream_res.opp,
1129 			true);
1130 
1131 /* TODO: enable/disable in dm as per update type.
1132 	if (plane_state) {
1133 		DC_LOG_DC(dc->ctx->logger,
1134 				"Pipe:%d 0x%x: addr hi:0x%x, "
1135 				"addr low:0x%x, "
1136 				"src: %d, %d, %d,"
1137 				" %d; dst: %d, %d, %d, %d;\n",
1138 				pipe_ctx->pipe_idx,
1139 				plane_state,
1140 				plane_state->address.grph.addr.high_part,
1141 				plane_state->address.grph.addr.low_part,
1142 				plane_state->src_rect.x,
1143 				plane_state->src_rect.y,
1144 				plane_state->src_rect.width,
1145 				plane_state->src_rect.height,
1146 				plane_state->dst_rect.x,
1147 				plane_state->dst_rect.y,
1148 				plane_state->dst_rect.width,
1149 				plane_state->dst_rect.height);
1150 
1151 		DC_LOG_DC(dc->ctx->logger,
1152 				"Pipe %d: width, height, x, y         format:%d\n"
1153 				"viewport:%d, %d, %d, %d\n"
1154 				"recout:  %d, %d, %d, %d\n",
1155 				pipe_ctx->pipe_idx,
1156 				plane_state->format,
1157 				pipe_ctx->plane_res.scl_data.viewport.width,
1158 				pipe_ctx->plane_res.scl_data.viewport.height,
1159 				pipe_ctx->plane_res.scl_data.viewport.x,
1160 				pipe_ctx->plane_res.scl_data.viewport.y,
1161 				pipe_ctx->plane_res.scl_data.recout.width,
1162 				pipe_ctx->plane_res.scl_data.recout.height,
1163 				pipe_ctx->plane_res.scl_data.recout.x,
1164 				pipe_ctx->plane_res.scl_data.recout.y);
1165 		print_rq_dlg_ttu(dc, pipe_ctx);
1166 	}
1167 */
1168 	if (dc->vm_pa_config.valid) {
1169 		struct vm_system_aperture_param apt;
1170 
1171 		apt.sys_default.quad_part = 0;
1172 
1173 		apt.sys_low.quad_part = dc->vm_pa_config.system_aperture.start_addr;
1174 		apt.sys_high.quad_part = dc->vm_pa_config.system_aperture.end_addr;
1175 
1176 		// Program system aperture settings
1177 		pipe_ctx->plane_res.hubp->funcs->hubp_set_vm_system_aperture_settings(pipe_ctx->plane_res.hubp, &apt);
1178 	}
1179 
1180 	if (!pipe_ctx->top_pipe
1181 		&& pipe_ctx->plane_state
1182 		&& pipe_ctx->plane_state->flip_int_enabled
1183 		&& pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int)
1184 			pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int(pipe_ctx->plane_res.hubp);
1185 
1186 //	if (dc->debug.sanity_checks) {
1187 //		dcn10_verify_allow_pstate_change_high(dc);
1188 //	}
1189 }
1190 
1191 void dcn20_pipe_control_lock(
1192 	struct dc *dc,
1193 	struct pipe_ctx *pipe,
1194 	bool lock)
1195 {
1196 	struct pipe_ctx *temp_pipe;
1197 	bool flip_immediate = false;
1198 
1199 	/* use TG master update lock to lock everything on the TG
1200 	 * therefore only top pipe need to lock
1201 	 */
1202 	if (!pipe || pipe->top_pipe)
1203 		return;
1204 
1205 	if (pipe->plane_state != NULL)
1206 		flip_immediate = pipe->plane_state->flip_immediate;
1207 
1208 	if  (pipe->stream_res.gsl_group > 0) {
1209 	    temp_pipe = pipe->bottom_pipe;
1210 	    while (!flip_immediate && temp_pipe) {
1211 		    if (temp_pipe->plane_state != NULL)
1212 			    flip_immediate = temp_pipe->plane_state->flip_immediate;
1213 		    temp_pipe = temp_pipe->bottom_pipe;
1214 	    }
1215 	}
1216 
1217 	if (flip_immediate && lock) {
1218 		const int TIMEOUT_FOR_FLIP_PENDING = 100000;
1219 		int i;
1220 
1221 		temp_pipe = pipe;
1222 		while (temp_pipe) {
1223 			if (temp_pipe->plane_state && temp_pipe->plane_state->flip_immediate) {
1224 				for (i = 0; i < TIMEOUT_FOR_FLIP_PENDING; ++i) {
1225 					if (!temp_pipe->plane_res.hubp->funcs->hubp_is_flip_pending(temp_pipe->plane_res.hubp))
1226 						break;
1227 					udelay(1);
1228 				}
1229 
1230 				/* no reason it should take this long for immediate flips */
1231 				ASSERT(i != TIMEOUT_FOR_FLIP_PENDING);
1232 			}
1233 			temp_pipe = temp_pipe->bottom_pipe;
1234 		}
1235 	}
1236 
1237 	/* In flip immediate and pipe splitting case, we need to use GSL
1238 	 * for synchronization. Only do setup on locking and on flip type change.
1239 	 */
1240 	if (lock && (pipe->bottom_pipe != NULL || !flip_immediate))
1241 		if ((flip_immediate && pipe->stream_res.gsl_group == 0) ||
1242 		    (!flip_immediate && pipe->stream_res.gsl_group > 0))
1243 			dcn20_setup_gsl_group_as_lock(dc, pipe, flip_immediate);
1244 
1245 	if (pipe->plane_state != NULL)
1246 		flip_immediate = pipe->plane_state->flip_immediate;
1247 
1248 	temp_pipe = pipe->bottom_pipe;
1249 	while (flip_immediate && temp_pipe) {
1250 	    if (temp_pipe->plane_state != NULL)
1251 		flip_immediate = temp_pipe->plane_state->flip_immediate;
1252 	    temp_pipe = temp_pipe->bottom_pipe;
1253 	}
1254 
1255 	if (!lock && pipe->stream_res.gsl_group > 0 && pipe->plane_state &&
1256 		!flip_immediate)
1257 	    dcn20_setup_gsl_group_as_lock(dc, pipe, false);
1258 
1259 	if (pipe->stream && should_use_dmub_lock(pipe->stream->link)) {
1260 		union dmub_hw_lock_flags hw_locks = { 0 };
1261 		struct dmub_hw_lock_inst_flags inst_flags = { 0 };
1262 
1263 		hw_locks.bits.lock_pipe = 1;
1264 		inst_flags.otg_inst =  pipe->stream_res.tg->inst;
1265 
1266 		if (pipe->plane_state != NULL)
1267 			hw_locks.bits.triple_buffer_lock = pipe->plane_state->triplebuffer_flips;
1268 
1269 		dmub_hw_lock_mgr_cmd(dc->ctx->dmub_srv,
1270 					lock,
1271 					&hw_locks,
1272 					&inst_flags);
1273 	} else if (pipe->plane_state != NULL && pipe->plane_state->triplebuffer_flips) {
1274 		if (lock)
1275 			pipe->stream_res.tg->funcs->triplebuffer_lock(pipe->stream_res.tg);
1276 		else
1277 			pipe->stream_res.tg->funcs->triplebuffer_unlock(pipe->stream_res.tg);
1278 	} else {
1279 		if (lock)
1280 			pipe->stream_res.tg->funcs->lock(pipe->stream_res.tg);
1281 		else
1282 			pipe->stream_res.tg->funcs->unlock(pipe->stream_res.tg);
1283 	}
1284 }
1285 
1286 static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx *new_pipe)
1287 {
1288 	new_pipe->update_flags.raw = 0;
1289 
1290 	/* Exit on unchanged, unused pipe */
1291 	if (!old_pipe->plane_state && !new_pipe->plane_state)
1292 		return;
1293 	/* Detect pipe enable/disable */
1294 	if (!old_pipe->plane_state && new_pipe->plane_state) {
1295 		new_pipe->update_flags.bits.enable = 1;
1296 		new_pipe->update_flags.bits.mpcc = 1;
1297 		new_pipe->update_flags.bits.dppclk = 1;
1298 		new_pipe->update_flags.bits.hubp_interdependent = 1;
1299 		new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1300 		new_pipe->update_flags.bits.gamut_remap = 1;
1301 		new_pipe->update_flags.bits.scaler = 1;
1302 		new_pipe->update_flags.bits.viewport = 1;
1303 		new_pipe->update_flags.bits.det_size = 1;
1304 		if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1305 			new_pipe->update_flags.bits.odm = 1;
1306 			new_pipe->update_flags.bits.global_sync = 1;
1307 		}
1308 		return;
1309 	}
1310 
1311 	/* For SubVP we need to unconditionally enable because any phantom pipes are
1312 	 * always removed then newly added for every full updates whenever SubVP is in use.
1313 	 * The remove-add sequence of the phantom pipe always results in the pipe
1314 	 * being blanked in enable_stream_timing (DPG).
1315 	 */
1316 	if (new_pipe->stream && new_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM)
1317 		new_pipe->update_flags.bits.enable = 1;
1318 
1319 	/* Phantom pipes are effectively disabled, if the pipe was previously phantom
1320 	 * we have to enable
1321 	 */
1322 	if (old_pipe->plane_state && old_pipe->plane_state->is_phantom &&
1323 			new_pipe->plane_state && !new_pipe->plane_state->is_phantom)
1324 		new_pipe->update_flags.bits.enable = 1;
1325 
1326 	if (old_pipe->plane_state && !new_pipe->plane_state) {
1327 		new_pipe->update_flags.bits.disable = 1;
1328 		return;
1329 	}
1330 
1331 	/* Detect plane change */
1332 	if (old_pipe->plane_state != new_pipe->plane_state) {
1333 		new_pipe->update_flags.bits.plane_changed = true;
1334 	}
1335 
1336 	/* Detect top pipe only changes */
1337 	if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1338 		/* Detect odm changes */
1339 		if ((old_pipe->next_odm_pipe && new_pipe->next_odm_pipe
1340 			&& old_pipe->next_odm_pipe->pipe_idx != new_pipe->next_odm_pipe->pipe_idx)
1341 				|| (!old_pipe->next_odm_pipe && new_pipe->next_odm_pipe)
1342 				|| (old_pipe->next_odm_pipe && !new_pipe->next_odm_pipe)
1343 				|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1344 			new_pipe->update_flags.bits.odm = 1;
1345 
1346 		/* Detect global sync changes */
1347 		if (old_pipe->pipe_dlg_param.vready_offset != new_pipe->pipe_dlg_param.vready_offset
1348 				|| old_pipe->pipe_dlg_param.vstartup_start != new_pipe->pipe_dlg_param.vstartup_start
1349 				|| old_pipe->pipe_dlg_param.vupdate_offset != new_pipe->pipe_dlg_param.vupdate_offset
1350 				|| old_pipe->pipe_dlg_param.vupdate_width != new_pipe->pipe_dlg_param.vupdate_width)
1351 			new_pipe->update_flags.bits.global_sync = 1;
1352 	}
1353 
1354 	if (old_pipe->det_buffer_size_kb != new_pipe->det_buffer_size_kb)
1355 		new_pipe->update_flags.bits.det_size = 1;
1356 
1357 	/*
1358 	 * Detect opp / tg change, only set on change, not on enable
1359 	 * Assume mpcc inst = pipe index, if not this code needs to be updated
1360 	 * since mpcc is what is affected by these. In fact all of our sequence
1361 	 * makes this assumption at the moment with how hubp reset is matched to
1362 	 * same index mpcc reset.
1363 	 */
1364 	if (old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1365 		new_pipe->update_flags.bits.opp_changed = 1;
1366 	if (old_pipe->stream_res.tg != new_pipe->stream_res.tg)
1367 		new_pipe->update_flags.bits.tg_changed = 1;
1368 
1369 	/*
1370 	 * Detect mpcc blending changes, only dpp inst and opp matter here,
1371 	 * mpccs getting removed/inserted update connected ones during their own
1372 	 * programming
1373 	 */
1374 	if (old_pipe->plane_res.dpp != new_pipe->plane_res.dpp
1375 			|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1376 		new_pipe->update_flags.bits.mpcc = 1;
1377 
1378 	/* Detect dppclk change */
1379 	if (old_pipe->plane_res.bw.dppclk_khz != new_pipe->plane_res.bw.dppclk_khz)
1380 		new_pipe->update_flags.bits.dppclk = 1;
1381 
1382 	/* Check for scl update */
1383 	if (memcmp(&old_pipe->plane_res.scl_data, &new_pipe->plane_res.scl_data, sizeof(struct scaler_data)))
1384 			new_pipe->update_flags.bits.scaler = 1;
1385 	/* Check for vp update */
1386 	if (memcmp(&old_pipe->plane_res.scl_data.viewport, &new_pipe->plane_res.scl_data.viewport, sizeof(struct rect))
1387 			|| memcmp(&old_pipe->plane_res.scl_data.viewport_c,
1388 				&new_pipe->plane_res.scl_data.viewport_c, sizeof(struct rect)))
1389 		new_pipe->update_flags.bits.viewport = 1;
1390 
1391 	/* Detect dlg/ttu/rq updates */
1392 	{
1393 		struct _vcs_dpi_display_dlg_regs_st old_dlg_attr = old_pipe->dlg_regs;
1394 		struct _vcs_dpi_display_ttu_regs_st old_ttu_attr = old_pipe->ttu_regs;
1395 		struct _vcs_dpi_display_dlg_regs_st *new_dlg_attr = &new_pipe->dlg_regs;
1396 		struct _vcs_dpi_display_ttu_regs_st *new_ttu_attr = &new_pipe->ttu_regs;
1397 
1398 		/* Detect pipe interdependent updates */
1399 		if (old_dlg_attr.dst_y_prefetch != new_dlg_attr->dst_y_prefetch ||
1400 				old_dlg_attr.vratio_prefetch != new_dlg_attr->vratio_prefetch ||
1401 				old_dlg_attr.vratio_prefetch_c != new_dlg_attr->vratio_prefetch_c ||
1402 				old_dlg_attr.dst_y_per_vm_vblank != new_dlg_attr->dst_y_per_vm_vblank ||
1403 				old_dlg_attr.dst_y_per_row_vblank != new_dlg_attr->dst_y_per_row_vblank ||
1404 				old_dlg_attr.dst_y_per_vm_flip != new_dlg_attr->dst_y_per_vm_flip ||
1405 				old_dlg_attr.dst_y_per_row_flip != new_dlg_attr->dst_y_per_row_flip ||
1406 				old_dlg_attr.refcyc_per_meta_chunk_vblank_l != new_dlg_attr->refcyc_per_meta_chunk_vblank_l ||
1407 				old_dlg_attr.refcyc_per_meta_chunk_vblank_c != new_dlg_attr->refcyc_per_meta_chunk_vblank_c ||
1408 				old_dlg_attr.refcyc_per_meta_chunk_flip_l != new_dlg_attr->refcyc_per_meta_chunk_flip_l ||
1409 				old_dlg_attr.refcyc_per_line_delivery_pre_l != new_dlg_attr->refcyc_per_line_delivery_pre_l ||
1410 				old_dlg_attr.refcyc_per_line_delivery_pre_c != new_dlg_attr->refcyc_per_line_delivery_pre_c ||
1411 				old_ttu_attr.refcyc_per_req_delivery_pre_l != new_ttu_attr->refcyc_per_req_delivery_pre_l ||
1412 				old_ttu_attr.refcyc_per_req_delivery_pre_c != new_ttu_attr->refcyc_per_req_delivery_pre_c ||
1413 				old_ttu_attr.refcyc_per_req_delivery_pre_cur0 != new_ttu_attr->refcyc_per_req_delivery_pre_cur0 ||
1414 				old_ttu_attr.refcyc_per_req_delivery_pre_cur1 != new_ttu_attr->refcyc_per_req_delivery_pre_cur1 ||
1415 				old_ttu_attr.min_ttu_vblank != new_ttu_attr->min_ttu_vblank ||
1416 				old_ttu_attr.qos_level_flip != new_ttu_attr->qos_level_flip) {
1417 			old_dlg_attr.dst_y_prefetch = new_dlg_attr->dst_y_prefetch;
1418 			old_dlg_attr.vratio_prefetch = new_dlg_attr->vratio_prefetch;
1419 			old_dlg_attr.vratio_prefetch_c = new_dlg_attr->vratio_prefetch_c;
1420 			old_dlg_attr.dst_y_per_vm_vblank = new_dlg_attr->dst_y_per_vm_vblank;
1421 			old_dlg_attr.dst_y_per_row_vblank = new_dlg_attr->dst_y_per_row_vblank;
1422 			old_dlg_attr.dst_y_per_vm_flip = new_dlg_attr->dst_y_per_vm_flip;
1423 			old_dlg_attr.dst_y_per_row_flip = new_dlg_attr->dst_y_per_row_flip;
1424 			old_dlg_attr.refcyc_per_meta_chunk_vblank_l = new_dlg_attr->refcyc_per_meta_chunk_vblank_l;
1425 			old_dlg_attr.refcyc_per_meta_chunk_vblank_c = new_dlg_attr->refcyc_per_meta_chunk_vblank_c;
1426 			old_dlg_attr.refcyc_per_meta_chunk_flip_l = new_dlg_attr->refcyc_per_meta_chunk_flip_l;
1427 			old_dlg_attr.refcyc_per_line_delivery_pre_l = new_dlg_attr->refcyc_per_line_delivery_pre_l;
1428 			old_dlg_attr.refcyc_per_line_delivery_pre_c = new_dlg_attr->refcyc_per_line_delivery_pre_c;
1429 			old_ttu_attr.refcyc_per_req_delivery_pre_l = new_ttu_attr->refcyc_per_req_delivery_pre_l;
1430 			old_ttu_attr.refcyc_per_req_delivery_pre_c = new_ttu_attr->refcyc_per_req_delivery_pre_c;
1431 			old_ttu_attr.refcyc_per_req_delivery_pre_cur0 = new_ttu_attr->refcyc_per_req_delivery_pre_cur0;
1432 			old_ttu_attr.refcyc_per_req_delivery_pre_cur1 = new_ttu_attr->refcyc_per_req_delivery_pre_cur1;
1433 			old_ttu_attr.min_ttu_vblank = new_ttu_attr->min_ttu_vblank;
1434 			old_ttu_attr.qos_level_flip = new_ttu_attr->qos_level_flip;
1435 			new_pipe->update_flags.bits.hubp_interdependent = 1;
1436 		}
1437 		/* Detect any other updates to ttu/rq/dlg */
1438 		if (memcmp(&old_dlg_attr, &new_pipe->dlg_regs, sizeof(old_dlg_attr)) ||
1439 				memcmp(&old_ttu_attr, &new_pipe->ttu_regs, sizeof(old_ttu_attr)) ||
1440 				memcmp(&old_pipe->rq_regs, &new_pipe->rq_regs, sizeof(old_pipe->rq_regs)))
1441 			new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1442 	}
1443 }
1444 
1445 static void dcn20_update_dchubp_dpp(
1446 	struct dc *dc,
1447 	struct pipe_ctx *pipe_ctx,
1448 	struct dc_state *context)
1449 {
1450 	struct dce_hwseq *hws = dc->hwseq;
1451 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
1452 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
1453 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
1454 	struct dccg *dccg = dc->res_pool->dccg;
1455 	bool viewport_changed = false;
1456 
1457 	if (pipe_ctx->update_flags.bits.dppclk)
1458 		dpp->funcs->dpp_dppclk_control(dpp, false, true);
1459 
1460 	if (pipe_ctx->update_flags.bits.enable)
1461 		dccg->funcs->update_dpp_dto(dccg, dpp->inst, pipe_ctx->plane_res.bw.dppclk_khz);
1462 
1463 	/* TODO: Need input parameter to tell current DCHUB pipe tie to which OTG
1464 	 * VTG is within DCHUBBUB which is commond block share by each pipe HUBP.
1465 	 * VTG is 1:1 mapping with OTG. Each pipe HUBP will select which VTG
1466 	 */
1467 	if (pipe_ctx->update_flags.bits.hubp_rq_dlg_ttu) {
1468 		hubp->funcs->hubp_vtg_sel(hubp, pipe_ctx->stream_res.tg->inst);
1469 
1470 		hubp->funcs->hubp_setup(
1471 			hubp,
1472 			&pipe_ctx->dlg_regs,
1473 			&pipe_ctx->ttu_regs,
1474 			&pipe_ctx->rq_regs,
1475 			&pipe_ctx->pipe_dlg_param);
1476 
1477 		if (hubp->funcs->set_unbounded_requesting)
1478 			hubp->funcs->set_unbounded_requesting(hubp, pipe_ctx->unbounded_req);
1479 	}
1480 	if (pipe_ctx->update_flags.bits.hubp_interdependent)
1481 		hubp->funcs->hubp_setup_interdependent(
1482 			hubp,
1483 			&pipe_ctx->dlg_regs,
1484 			&pipe_ctx->ttu_regs);
1485 
1486 	if (pipe_ctx->update_flags.bits.enable ||
1487 			pipe_ctx->update_flags.bits.plane_changed ||
1488 			plane_state->update_flags.bits.bpp_change ||
1489 			plane_state->update_flags.bits.input_csc_change ||
1490 			plane_state->update_flags.bits.color_space_change ||
1491 			plane_state->update_flags.bits.coeff_reduction_change) {
1492 		struct dc_bias_and_scale bns_params = {0};
1493 
1494 		// program the input csc
1495 		dpp->funcs->dpp_setup(dpp,
1496 				plane_state->format,
1497 				EXPANSION_MODE_ZERO,
1498 				plane_state->input_csc_color_matrix,
1499 				plane_state->color_space,
1500 				NULL);
1501 
1502 		if (dpp->funcs->dpp_program_bias_and_scale) {
1503 			//TODO :for CNVC set scale and bias registers if necessary
1504 			build_prescale_params(&bns_params, plane_state);
1505 			dpp->funcs->dpp_program_bias_and_scale(dpp, &bns_params);
1506 		}
1507 	}
1508 
1509 	if (pipe_ctx->update_flags.bits.mpcc
1510 			|| pipe_ctx->update_flags.bits.plane_changed
1511 			|| plane_state->update_flags.bits.global_alpha_change
1512 			|| plane_state->update_flags.bits.per_pixel_alpha_change) {
1513 		// MPCC inst is equal to pipe index in practice
1514 		int mpcc_inst = hubp->inst;
1515 		int opp_inst;
1516 		int opp_count = dc->res_pool->pipe_count;
1517 
1518 		for (opp_inst = 0; opp_inst < opp_count; opp_inst++) {
1519 			if (dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst]) {
1520 				dc->res_pool->mpc->funcs->wait_for_idle(dc->res_pool->mpc, mpcc_inst);
1521 				dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst] = false;
1522 				break;
1523 			}
1524 		}
1525 		hws->funcs.update_mpcc(dc, pipe_ctx);
1526 	}
1527 
1528 	if (pipe_ctx->update_flags.bits.scaler ||
1529 			plane_state->update_flags.bits.scaling_change ||
1530 			plane_state->update_flags.bits.position_change ||
1531 			plane_state->update_flags.bits.per_pixel_alpha_change ||
1532 			pipe_ctx->stream->update_flags.bits.scaling) {
1533 		pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->plane_state->per_pixel_alpha;
1534 		ASSERT(pipe_ctx->plane_res.scl_data.lb_params.depth == LB_PIXEL_DEPTH_36BPP);
1535 		/* scaler configuration */
1536 		pipe_ctx->plane_res.dpp->funcs->dpp_set_scaler(
1537 				pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data);
1538 	}
1539 
1540 	if (pipe_ctx->update_flags.bits.viewport ||
1541 			(context == dc->current_state && plane_state->update_flags.bits.position_change) ||
1542 			(context == dc->current_state && plane_state->update_flags.bits.scaling_change) ||
1543 			(context == dc->current_state && pipe_ctx->stream->update_flags.bits.scaling)) {
1544 
1545 		hubp->funcs->mem_program_viewport(
1546 			hubp,
1547 			&pipe_ctx->plane_res.scl_data.viewport,
1548 			&pipe_ctx->plane_res.scl_data.viewport_c);
1549 		viewport_changed = true;
1550 	}
1551 
1552 	/* Any updates are handled in dc interface, just need to apply existing for plane enable */
1553 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed ||
1554 			pipe_ctx->update_flags.bits.scaler || viewport_changed == true) &&
1555 			pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
1556 		dc->hwss.set_cursor_position(pipe_ctx);
1557 		dc->hwss.set_cursor_attribute(pipe_ctx);
1558 
1559 		if (dc->hwss.set_cursor_sdr_white_level)
1560 			dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
1561 	}
1562 
1563 	/* Any updates are handled in dc interface, just need
1564 	 * to apply existing for plane enable / opp change */
1565 	if (pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed
1566 			|| pipe_ctx->update_flags.bits.plane_changed
1567 			|| pipe_ctx->stream->update_flags.bits.gamut_remap
1568 			|| pipe_ctx->stream->update_flags.bits.out_csc) {
1569 		/* dpp/cm gamut remap*/
1570 		dc->hwss.program_gamut_remap(pipe_ctx);
1571 
1572 		/*call the dcn2 method which uses mpc csc*/
1573 		dc->hwss.program_output_csc(dc,
1574 				pipe_ctx,
1575 				pipe_ctx->stream->output_color_space,
1576 				pipe_ctx->stream->csc_color_matrix.matrix,
1577 				hubp->opp_id);
1578 	}
1579 
1580 	if (pipe_ctx->update_flags.bits.enable ||
1581 			pipe_ctx->update_flags.bits.plane_changed ||
1582 			pipe_ctx->update_flags.bits.opp_changed ||
1583 			plane_state->update_flags.bits.pixel_format_change ||
1584 			plane_state->update_flags.bits.horizontal_mirror_change ||
1585 			plane_state->update_flags.bits.rotation_change ||
1586 			plane_state->update_flags.bits.swizzle_change ||
1587 			plane_state->update_flags.bits.dcc_change ||
1588 			plane_state->update_flags.bits.bpp_change ||
1589 			plane_state->update_flags.bits.scaling_change ||
1590 			plane_state->update_flags.bits.plane_size_change) {
1591 		struct plane_size size = plane_state->plane_size;
1592 
1593 		size.surface_size = pipe_ctx->plane_res.scl_data.viewport;
1594 		hubp->funcs->hubp_program_surface_config(
1595 			hubp,
1596 			plane_state->format,
1597 			&plane_state->tiling_info,
1598 			&size,
1599 			plane_state->rotation,
1600 			&plane_state->dcc,
1601 			plane_state->horizontal_mirror,
1602 			0);
1603 		hubp->power_gated = false;
1604 	}
1605 
1606 	if (pipe_ctx->update_flags.bits.enable ||
1607 		pipe_ctx->update_flags.bits.plane_changed ||
1608 		plane_state->update_flags.bits.addr_update)
1609 		hws->funcs.update_plane_addr(dc, pipe_ctx);
1610 
1611 	if (pipe_ctx->update_flags.bits.enable)
1612 		hubp->funcs->set_blank(hubp, false);
1613 	/* If the stream paired with this plane is phantom, the plane is also phantom */
1614 	if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM
1615 			&& hubp->funcs->phantom_hubp_post_enable)
1616 		hubp->funcs->phantom_hubp_post_enable(hubp);
1617 }
1618 
1619 
1620 static void dcn20_program_pipe(
1621 		struct dc *dc,
1622 		struct pipe_ctx *pipe_ctx,
1623 		struct dc_state *context)
1624 {
1625 	struct dce_hwseq *hws = dc->hwseq;
1626 	/* Only need to unblank on top pipe */
1627 
1628 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->stream->update_flags.bits.abm_level)
1629 			&& !pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe)
1630 		hws->funcs.blank_pixel_data(dc, pipe_ctx, !pipe_ctx->plane_state->visible);
1631 
1632 	/* Only update TG on top pipe */
1633 	if (pipe_ctx->update_flags.bits.global_sync && !pipe_ctx->top_pipe
1634 			&& !pipe_ctx->prev_odm_pipe) {
1635 		pipe_ctx->stream_res.tg->funcs->program_global_sync(
1636 				pipe_ctx->stream_res.tg,
1637 				pipe_ctx->pipe_dlg_param.vready_offset,
1638 				pipe_ctx->pipe_dlg_param.vstartup_start,
1639 				pipe_ctx->pipe_dlg_param.vupdate_offset,
1640 				pipe_ctx->pipe_dlg_param.vupdate_width);
1641 
1642 		if (pipe_ctx->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1643 			pipe_ctx->stream_res.tg->funcs->wait_for_state(
1644 				pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
1645 			pipe_ctx->stream_res.tg->funcs->wait_for_state(
1646 				pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
1647 		}
1648 
1649 		pipe_ctx->stream_res.tg->funcs->set_vtg_params(
1650 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, true);
1651 
1652 		if (hws->funcs.setup_vupdate_interrupt)
1653 			hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
1654 	}
1655 
1656 	if (pipe_ctx->update_flags.bits.odm)
1657 		hws->funcs.update_odm(dc, context, pipe_ctx);
1658 
1659 	if (pipe_ctx->update_flags.bits.enable) {
1660 		dcn20_enable_plane(dc, pipe_ctx, context);
1661 		if (dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes)
1662 			dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes(dc->res_pool->hubbub);
1663 	}
1664 
1665 	if (dc->res_pool->hubbub->funcs->program_det_size && pipe_ctx->update_flags.bits.det_size)
1666 		dc->res_pool->hubbub->funcs->program_det_size(
1667 			dc->res_pool->hubbub, pipe_ctx->plane_res.hubp->inst, pipe_ctx->det_buffer_size_kb);
1668 
1669 	if (pipe_ctx->update_flags.raw || pipe_ctx->plane_state->update_flags.raw || pipe_ctx->stream->update_flags.raw)
1670 		dcn20_update_dchubp_dpp(dc, pipe_ctx, context);
1671 
1672 	if (pipe_ctx->update_flags.bits.enable
1673 			|| pipe_ctx->plane_state->update_flags.bits.hdr_mult)
1674 		hws->funcs.set_hdr_multiplier(pipe_ctx);
1675 
1676 	if (pipe_ctx->update_flags.bits.enable ||
1677 			pipe_ctx->plane_state->update_flags.bits.in_transfer_func_change ||
1678 			pipe_ctx->plane_state->update_flags.bits.gamma_change)
1679 		hws->funcs.set_input_transfer_func(dc, pipe_ctx, pipe_ctx->plane_state);
1680 
1681 	/* dcn10_translate_regamma_to_hw_format takes 750us to finish
1682 	 * only do gamma programming for powering on, internal memcmp to avoid
1683 	 * updating on slave planes
1684 	 */
1685 	if (pipe_ctx->update_flags.bits.enable || pipe_ctx->stream->update_flags.bits.out_tf)
1686 		hws->funcs.set_output_transfer_func(dc, pipe_ctx, pipe_ctx->stream);
1687 
1688 	/* If the pipe has been enabled or has a different opp, we
1689 	 * should reprogram the fmt. This deals with cases where
1690 	 * interation between mpc and odm combine on different streams
1691 	 * causes a different pipe to be chosen to odm combine with.
1692 	 */
1693 	if (pipe_ctx->update_flags.bits.enable
1694 	    || pipe_ctx->update_flags.bits.opp_changed) {
1695 
1696 		pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
1697 			pipe_ctx->stream_res.opp,
1698 			COLOR_SPACE_YCBCR601,
1699 			pipe_ctx->stream->timing.display_color_depth,
1700 			pipe_ctx->stream->signal);
1701 
1702 		pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
1703 			pipe_ctx->stream_res.opp,
1704 			&pipe_ctx->stream->bit_depth_params,
1705 			&pipe_ctx->stream->clamping);
1706 	}
1707 }
1708 
1709 void dcn20_program_front_end_for_ctx(
1710 		struct dc *dc,
1711 		struct dc_state *context)
1712 {
1713 	int i;
1714 	struct dce_hwseq *hws = dc->hwseq;
1715 	DC_LOGGER_INIT(dc->ctx->logger);
1716 
1717 	/* Carry over GSL groups in case the context is changing. */
1718 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1719 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1720 		struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
1721 
1722 		if (pipe_ctx->stream == old_pipe_ctx->stream)
1723 			pipe_ctx->stream_res.gsl_group = old_pipe_ctx->stream_res.gsl_group;
1724 	}
1725 
1726 	if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) {
1727 		for (i = 0; i < dc->res_pool->pipe_count; i++) {
1728 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1729 
1730 			if (!pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe && pipe_ctx->plane_state) {
1731 				ASSERT(!pipe_ctx->plane_state->triplebuffer_flips);
1732 				/*turn off triple buffer for full update*/
1733 				dc->hwss.program_triplebuffer(
1734 						dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips);
1735 			}
1736 		}
1737 	}
1738 
1739 	/* Set pipe update flags and lock pipes */
1740 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1741 		dcn20_detect_pipe_changes(&dc->current_state->res_ctx.pipe_ctx[i],
1742 				&context->res_ctx.pipe_ctx[i]);
1743 
1744 	/* OTG blank before disabling all front ends */
1745 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1746 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1747 				&& !context->res_ctx.pipe_ctx[i].top_pipe
1748 				&& !context->res_ctx.pipe_ctx[i].prev_odm_pipe
1749 				&& context->res_ctx.pipe_ctx[i].stream)
1750 			hws->funcs.blank_pixel_data(dc, &context->res_ctx.pipe_ctx[i], true);
1751 
1752 
1753 	/* Disconnect mpcc */
1754 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1755 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1756 				|| context->res_ctx.pipe_ctx[i].update_flags.bits.opp_changed) {
1757 			struct hubbub *hubbub = dc->res_pool->hubbub;
1758 
1759 			/* Phantom pipe DET should be 0, but if a pipe in use is being transitioned to phantom
1760 			 * then we want to do the programming here (effectively it's being disabled). If we do
1761 			 * the programming later the DET won't be updated until the OTG for the phantom pipe is
1762 			 * turned on (i.e. in an MCLK switch) which can come in too late and cause issues with
1763 			 * DET allocation.
1764 			 */
1765 			if (hubbub->funcs->program_det_size && (context->res_ctx.pipe_ctx[i].update_flags.bits.disable ||
1766 					(context->res_ctx.pipe_ctx[i].plane_state && context->res_ctx.pipe_ctx[i].plane_state->is_phantom)))
1767 				hubbub->funcs->program_det_size(hubbub, dc->current_state->res_ctx.pipe_ctx[i].plane_res.hubp->inst, 0);
1768 			hws->funcs.plane_atomic_disconnect(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1769 			DC_LOG_DC("Reset mpcc for pipe %d\n", dc->current_state->res_ctx.pipe_ctx[i].pipe_idx);
1770 		}
1771 
1772 	/*
1773 	 * Program all updated pipes, order matters for mpcc setup. Start with
1774 	 * top pipe and program all pipes that follow in order
1775 	 */
1776 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1777 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1778 
1779 		if (pipe->plane_state && !pipe->top_pipe) {
1780 			while (pipe) {
1781 				if (hws->funcs.program_pipe)
1782 					hws->funcs.program_pipe(dc, pipe, context);
1783 				else {
1784 					/* Don't program phantom pipes in the regular front end programming sequence.
1785 					 * There is an MPO transition case where a pipe being used by a video plane is
1786 					 * transitioned directly to be a phantom pipe when closing the MPO video. However
1787 					 * the phantom pipe will program a new HUBP_VTG_SEL (update takes place right away),
1788 					 * but the MPO still exists until the double buffered update of the main pipe so we
1789 					 * will get a frame of underflow if the phantom pipe is programmed here.
1790 					 */
1791 					if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_PHANTOM)
1792 						dcn20_program_pipe(dc, pipe, context);
1793 				}
1794 
1795 				pipe = pipe->bottom_pipe;
1796 			}
1797 		}
1798 		/* Program secondary blending tree and writeback pipes */
1799 		pipe = &context->res_ctx.pipe_ctx[i];
1800 		if (!pipe->top_pipe && !pipe->prev_odm_pipe
1801 				&& pipe->stream && pipe->stream->num_wb_info > 0
1802 				&& (pipe->update_flags.raw || (pipe->plane_state && pipe->plane_state->update_flags.raw)
1803 					|| pipe->stream->update_flags.raw)
1804 				&& hws->funcs.program_all_writeback_pipes_in_tree)
1805 			hws->funcs.program_all_writeback_pipes_in_tree(dc, pipe->stream, context);
1806 
1807 		/* Avoid underflow by check of pipe line read when adding 2nd plane. */
1808 		if (hws->wa.wait_hubpret_read_start_during_mpo_transition &&
1809 			!pipe->top_pipe &&
1810 			pipe->stream &&
1811 			pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start &&
1812 			dc->current_state->stream_status[0].plane_count == 1 &&
1813 			context->stream_status[0].plane_count > 1) {
1814 			pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start(pipe->plane_res.hubp);
1815 		}
1816 	}
1817 }
1818 
1819 void dcn20_post_unlock_program_front_end(
1820 		struct dc *dc,
1821 		struct dc_state *context)
1822 {
1823 	int i;
1824 	const unsigned int TIMEOUT_FOR_PIPE_ENABLE_MS = 100;
1825 	struct dce_hwseq *hwseq = dc->hwseq;
1826 
1827 	DC_LOGGER_INIT(dc->ctx->logger);
1828 
1829 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1830 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable)
1831 			dc->hwss.disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1832 
1833 	/*
1834 	 * If we are enabling a pipe, we need to wait for pending clear as this is a critical
1835 	 * part of the enable operation otherwise, DM may request an immediate flip which
1836 	 * will cause HW to perform an "immediate enable" (as opposed to "vsync enable") which
1837 	 * is unsupported on DCN.
1838 	 */
1839 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1840 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1841 		// Don't check flip pending on phantom pipes
1842 		if (pipe->plane_state && !pipe->top_pipe && pipe->update_flags.bits.enable &&
1843 				pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1844 			struct hubp *hubp = pipe->plane_res.hubp;
1845 			int j = 0;
1846 
1847 			for (j = 0; j < TIMEOUT_FOR_PIPE_ENABLE_MS*1000
1848 					&& hubp->funcs->hubp_is_flip_pending(hubp); j++)
1849 				udelay(1);
1850 		}
1851 	}
1852 
1853 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1854 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1855 		struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
1856 
1857 		/* If an active, non-phantom pipe is being transitioned into a phantom
1858 		 * pipe, wait for the double buffer update to complete first before we do
1859 		 * phantom pipe programming (HUBP_VTG_SEL updates right away so that can
1860 		 * cause issues).
1861 		 */
1862 		if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM &&
1863 				old_pipe->stream && old_pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1864 			old_pipe->stream_res.tg->funcs->wait_for_state(
1865 					old_pipe->stream_res.tg,
1866 					CRTC_STATE_VBLANK);
1867 			old_pipe->stream_res.tg->funcs->wait_for_state(
1868 					old_pipe->stream_res.tg,
1869 					CRTC_STATE_VACTIVE);
1870 		}
1871 	}
1872 
1873 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1874 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1875 
1876 		if (pipe->plane_state && !pipe->top_pipe) {
1877 			/* Program phantom pipe here to prevent a frame of underflow in the MPO transition
1878 			 * case (if a pipe being used for a video plane transitions to a phantom pipe, it
1879 			 * can underflow due to HUBP_VTG_SEL programming if done in the regular front end
1880 			 * programming sequence).
1881 			 */
1882 			while (pipe) {
1883 				if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
1884 					if (dc->hwss.update_phantom_vp_position)
1885 						dc->hwss.update_phantom_vp_position(dc, context, pipe);
1886 					dcn20_program_pipe(dc, pipe, context);
1887 				}
1888 				pipe = pipe->bottom_pipe;
1889 			}
1890 		}
1891 	}
1892 
1893 	/* Only program the MALL registers after all the main and phantom pipes
1894 	 * are done programming.
1895 	 */
1896 	if (hwseq->funcs.program_mall_pipe_config)
1897 		hwseq->funcs.program_mall_pipe_config(dc, context);
1898 
1899 	/* WA to apply WM setting*/
1900 	if (hwseq->wa.DEGVIDCN21)
1901 		dc->res_pool->hubbub->funcs->apply_DEDCN21_147_wa(dc->res_pool->hubbub);
1902 
1903 
1904 	/* WA for stutter underflow during MPO transitions when adding 2nd plane */
1905 	if (hwseq->wa.disallow_self_refresh_during_multi_plane_transition) {
1906 
1907 		if (dc->current_state->stream_status[0].plane_count == 1 &&
1908 				context->stream_status[0].plane_count > 1) {
1909 
1910 			struct timing_generator *tg = dc->res_pool->timing_generators[0];
1911 
1912 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub, false);
1913 
1914 			hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied = true;
1915 			hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied_on_frame = tg->funcs->get_frame_count(tg);
1916 		}
1917 	}
1918 }
1919 
1920 void dcn20_prepare_bandwidth(
1921 		struct dc *dc,
1922 		struct dc_state *context)
1923 {
1924 	struct hubbub *hubbub = dc->res_pool->hubbub;
1925 	unsigned int compbuf_size_kb = 0;
1926 	unsigned int cache_wm_a = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns;
1927 	unsigned int i;
1928 
1929 	dc->clk_mgr->funcs->update_clocks(
1930 			dc->clk_mgr,
1931 			context,
1932 			false);
1933 
1934 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1935 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1936 
1937 		// At optimize don't restore the original watermark value
1938 		if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) {
1939 			context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 4U * 1000U * 1000U * 1000U;
1940 			break;
1941 		}
1942 	}
1943 
1944 	/* program dchubbub watermarks */
1945 	dc->wm_optimized_required = hubbub->funcs->program_watermarks(hubbub,
1946 					&context->bw_ctx.bw.dcn.watermarks,
1947 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
1948 					false);
1949 
1950 	// Restore the real watermark so we can commit the value to DMCUB
1951 	// DMCUB uses the "original" watermark value in SubVP MCLK switch
1952 	context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = cache_wm_a;
1953 
1954 	/* decrease compbuf size */
1955 	if (hubbub->funcs->program_compbuf_size) {
1956 		if (context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes)
1957 			compbuf_size_kb = context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes;
1958 		else
1959 			compbuf_size_kb = context->bw_ctx.bw.dcn.compbuf_size_kb;
1960 
1961 		hubbub->funcs->program_compbuf_size(hubbub, compbuf_size_kb, false);
1962 	}
1963 }
1964 
1965 void dcn20_optimize_bandwidth(
1966 		struct dc *dc,
1967 		struct dc_state *context)
1968 {
1969 	struct hubbub *hubbub = dc->res_pool->hubbub;
1970 	int i;
1971 
1972 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1973 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1974 
1975 		// At optimize don't need  to restore the original watermark value
1976 		if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) {
1977 			context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 4U * 1000U * 1000U * 1000U;
1978 			break;
1979 		}
1980 	}
1981 
1982 	/* program dchubbub watermarks */
1983 	hubbub->funcs->program_watermarks(hubbub,
1984 					&context->bw_ctx.bw.dcn.watermarks,
1985 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
1986 					true);
1987 
1988 	if (dc->clk_mgr->dc_mode_softmax_enabled)
1989 		if (dc->clk_mgr->clks.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
1990 				context->bw_ctx.bw.dcn.clk.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
1991 			dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->dc_mode_softmax_memclk);
1992 
1993 	/* increase compbuf size */
1994 	if (hubbub->funcs->program_compbuf_size)
1995 		hubbub->funcs->program_compbuf_size(hubbub, context->bw_ctx.bw.dcn.compbuf_size_kb, true);
1996 
1997 	dc->clk_mgr->funcs->update_clocks(
1998 			dc->clk_mgr,
1999 			context,
2000 			true);
2001 	if (dc_extended_blank_supported(dc) && context->bw_ctx.bw.dcn.clk.zstate_support == DCN_ZSTATE_SUPPORT_ALLOW) {
2002 		for (i = 0; i < dc->res_pool->pipe_count; ++i) {
2003 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2004 
2005 			if (pipe_ctx->stream && pipe_ctx->plane_res.hubp->funcs->program_extended_blank
2006 				&& pipe_ctx->stream->adjust.v_total_min == pipe_ctx->stream->adjust.v_total_max
2007 				&& pipe_ctx->stream->adjust.v_total_max > pipe_ctx->stream->timing.v_total)
2008 					pipe_ctx->plane_res.hubp->funcs->program_extended_blank(pipe_ctx->plane_res.hubp,
2009 						pipe_ctx->dlg_regs.optimized_min_dst_y_next_start);
2010 		}
2011 	}
2012 }
2013 
2014 bool dcn20_update_bandwidth(
2015 		struct dc *dc,
2016 		struct dc_state *context)
2017 {
2018 	int i;
2019 	struct dce_hwseq *hws = dc->hwseq;
2020 
2021 	/* recalculate DML parameters */
2022 	if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false))
2023 		return false;
2024 
2025 	/* apply updated bandwidth parameters */
2026 	dc->hwss.prepare_bandwidth(dc, context);
2027 
2028 	/* update hubp configs for all pipes */
2029 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2030 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2031 
2032 		if (pipe_ctx->plane_state == NULL)
2033 			continue;
2034 
2035 		if (pipe_ctx->top_pipe == NULL) {
2036 			bool blank = !is_pipe_tree_visible(pipe_ctx);
2037 
2038 			pipe_ctx->stream_res.tg->funcs->program_global_sync(
2039 					pipe_ctx->stream_res.tg,
2040 					pipe_ctx->pipe_dlg_param.vready_offset,
2041 					pipe_ctx->pipe_dlg_param.vstartup_start,
2042 					pipe_ctx->pipe_dlg_param.vupdate_offset,
2043 					pipe_ctx->pipe_dlg_param.vupdate_width);
2044 
2045 			pipe_ctx->stream_res.tg->funcs->set_vtg_params(
2046 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, false);
2047 
2048 			if (pipe_ctx->prev_odm_pipe == NULL)
2049 				hws->funcs.blank_pixel_data(dc, pipe_ctx, blank);
2050 
2051 			if (hws->funcs.setup_vupdate_interrupt)
2052 				hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
2053 		}
2054 
2055 		pipe_ctx->plane_res.hubp->funcs->hubp_setup(
2056 				pipe_ctx->plane_res.hubp,
2057 					&pipe_ctx->dlg_regs,
2058 					&pipe_ctx->ttu_regs,
2059 					&pipe_ctx->rq_regs,
2060 					&pipe_ctx->pipe_dlg_param);
2061 	}
2062 
2063 	return true;
2064 }
2065 
2066 void dcn20_enable_writeback(
2067 		struct dc *dc,
2068 		struct dc_writeback_info *wb_info,
2069 		struct dc_state *context)
2070 {
2071 	struct dwbc *dwb;
2072 	struct mcif_wb *mcif_wb;
2073 	struct timing_generator *optc;
2074 
2075 	ASSERT(wb_info->dwb_pipe_inst < MAX_DWB_PIPES);
2076 	ASSERT(wb_info->wb_enabled);
2077 	dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
2078 	mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
2079 
2080 	/* set the OPTC source mux */
2081 	optc = dc->res_pool->timing_generators[dwb->otg_inst];
2082 	optc->funcs->set_dwb_source(optc, wb_info->dwb_pipe_inst);
2083 	/* set MCIF_WB buffer and arbitration configuration */
2084 	mcif_wb->funcs->config_mcif_buf(mcif_wb, &wb_info->mcif_buf_params, wb_info->dwb_params.dest_height);
2085 	mcif_wb->funcs->config_mcif_arb(mcif_wb, &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[wb_info->dwb_pipe_inst]);
2086 	/* Enable MCIF_WB */
2087 	mcif_wb->funcs->enable_mcif(mcif_wb);
2088 	/* Enable DWB */
2089 	dwb->funcs->enable(dwb, &wb_info->dwb_params);
2090 	/* TODO: add sequence to enable/disable warmup */
2091 }
2092 
2093 void dcn20_disable_writeback(
2094 		struct dc *dc,
2095 		unsigned int dwb_pipe_inst)
2096 {
2097 	struct dwbc *dwb;
2098 	struct mcif_wb *mcif_wb;
2099 
2100 	ASSERT(dwb_pipe_inst < MAX_DWB_PIPES);
2101 	dwb = dc->res_pool->dwbc[dwb_pipe_inst];
2102 	mcif_wb = dc->res_pool->mcif_wb[dwb_pipe_inst];
2103 
2104 	dwb->funcs->disable(dwb);
2105 	mcif_wb->funcs->disable_mcif(mcif_wb);
2106 }
2107 
2108 bool dcn20_wait_for_blank_complete(
2109 		struct output_pixel_processor *opp)
2110 {
2111 	int counter;
2112 
2113 	for (counter = 0; counter < 1000; counter++) {
2114 		if (opp->funcs->dpg_is_blanked(opp))
2115 			break;
2116 
2117 		udelay(100);
2118 	}
2119 
2120 	if (counter == 1000) {
2121 		dm_error("DC: failed to blank crtc!\n");
2122 		return false;
2123 	}
2124 
2125 	return true;
2126 }
2127 
2128 bool dcn20_dmdata_status_done(struct pipe_ctx *pipe_ctx)
2129 {
2130 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2131 
2132 	if (!hubp)
2133 		return false;
2134 	return hubp->funcs->dmdata_status_done(hubp);
2135 }
2136 
2137 void dcn20_disable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2138 {
2139 	struct dce_hwseq *hws = dc->hwseq;
2140 
2141 	if (pipe_ctx->stream_res.dsc) {
2142 		struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2143 
2144 		hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, true);
2145 		while (odm_pipe) {
2146 			hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, true);
2147 			odm_pipe = odm_pipe->next_odm_pipe;
2148 		}
2149 	}
2150 }
2151 
2152 void dcn20_enable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2153 {
2154 	struct dce_hwseq *hws = dc->hwseq;
2155 
2156 	if (pipe_ctx->stream_res.dsc) {
2157 		struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2158 
2159 		hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, false);
2160 		while (odm_pipe) {
2161 			hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, false);
2162 			odm_pipe = odm_pipe->next_odm_pipe;
2163 		}
2164 	}
2165 }
2166 
2167 void dcn20_set_dmdata_attributes(struct pipe_ctx *pipe_ctx)
2168 {
2169 	struct dc_dmdata_attributes attr = { 0 };
2170 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2171 
2172 	attr.dmdata_mode = DMDATA_HW_MODE;
2173 	attr.dmdata_size =
2174 		dc_is_hdmi_signal(pipe_ctx->stream->signal) ? 32 : 36;
2175 	attr.address.quad_part =
2176 			pipe_ctx->stream->dmdata_address.quad_part;
2177 	attr.dmdata_dl_delta = 0;
2178 	attr.dmdata_qos_mode = 0;
2179 	attr.dmdata_qos_level = 0;
2180 	attr.dmdata_repeat = 1; /* always repeat */
2181 	attr.dmdata_updated = 1;
2182 	attr.dmdata_sw_data = NULL;
2183 
2184 	hubp->funcs->dmdata_set_attributes(hubp, &attr);
2185 }
2186 
2187 void dcn20_init_vm_ctx(
2188 		struct dce_hwseq *hws,
2189 		struct dc *dc,
2190 		struct dc_virtual_addr_space_config *va_config,
2191 		int vmid)
2192 {
2193 	struct dcn_hubbub_virt_addr_config config;
2194 
2195 	if (vmid == 0) {
2196 		ASSERT(0); /* VMID cannot be 0 for vm context */
2197 		return;
2198 	}
2199 
2200 	config.page_table_start_addr = va_config->page_table_start_addr;
2201 	config.page_table_end_addr = va_config->page_table_end_addr;
2202 	config.page_table_block_size = va_config->page_table_block_size_in_bytes;
2203 	config.page_table_depth = va_config->page_table_depth;
2204 	config.page_table_base_addr = va_config->page_table_base_addr;
2205 
2206 	dc->res_pool->hubbub->funcs->init_vm_ctx(dc->res_pool->hubbub, &config, vmid);
2207 }
2208 
2209 int dcn20_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
2210 {
2211 	struct dcn_hubbub_phys_addr_config config;
2212 
2213 	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
2214 	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
2215 	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
2216 	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
2217 	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
2218 	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
2219 	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
2220 	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
2221 	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
2222 	config.page_table_default_page_addr = pa_config->page_table_default_page_addr;
2223 
2224 	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
2225 }
2226 
2227 static bool patch_address_for_sbs_tb_stereo(
2228 		struct pipe_ctx *pipe_ctx, PHYSICAL_ADDRESS_LOC *addr)
2229 {
2230 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2231 	bool sec_split = pipe_ctx->top_pipe &&
2232 			pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state;
2233 	if (sec_split && plane_state->address.type == PLN_ADDR_TYPE_GRPH_STEREO &&
2234 			(pipe_ctx->stream->timing.timing_3d_format ==
2235 			TIMING_3D_FORMAT_SIDE_BY_SIDE ||
2236 			pipe_ctx->stream->timing.timing_3d_format ==
2237 			TIMING_3D_FORMAT_TOP_AND_BOTTOM)) {
2238 		*addr = plane_state->address.grph_stereo.left_addr;
2239 		plane_state->address.grph_stereo.left_addr =
2240 				plane_state->address.grph_stereo.right_addr;
2241 		return true;
2242 	}
2243 
2244 	if (pipe_ctx->stream->view_format != VIEW_3D_FORMAT_NONE &&
2245 			plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO) {
2246 		plane_state->address.type = PLN_ADDR_TYPE_GRPH_STEREO;
2247 		plane_state->address.grph_stereo.right_addr =
2248 				plane_state->address.grph_stereo.left_addr;
2249 		plane_state->address.grph_stereo.right_meta_addr =
2250 				plane_state->address.grph_stereo.left_meta_addr;
2251 	}
2252 	return false;
2253 }
2254 
2255 void dcn20_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx)
2256 {
2257 	bool addr_patched = false;
2258 	PHYSICAL_ADDRESS_LOC addr;
2259 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2260 
2261 	if (plane_state == NULL)
2262 		return;
2263 
2264 	addr_patched = patch_address_for_sbs_tb_stereo(pipe_ctx, &addr);
2265 
2266 	// Call Helper to track VMID use
2267 	vm_helper_mark_vmid_used(dc->vm_helper, plane_state->address.vmid, pipe_ctx->plane_res.hubp->inst);
2268 
2269 	pipe_ctx->plane_res.hubp->funcs->hubp_program_surface_flip_and_addr(
2270 			pipe_ctx->plane_res.hubp,
2271 			&plane_state->address,
2272 			plane_state->flip_immediate);
2273 
2274 	plane_state->status.requested_address = plane_state->address;
2275 
2276 	if (plane_state->flip_immediate)
2277 		plane_state->status.current_address = plane_state->address;
2278 
2279 	if (addr_patched)
2280 		pipe_ctx->plane_state->address.grph_stereo.left_addr = addr;
2281 }
2282 
2283 void dcn20_unblank_stream(struct pipe_ctx *pipe_ctx,
2284 		struct dc_link_settings *link_settings)
2285 {
2286 	struct encoder_unblank_param params = {0};
2287 	struct dc_stream_state *stream = pipe_ctx->stream;
2288 	struct dc_link *link = stream->link;
2289 	struct dce_hwseq *hws = link->dc->hwseq;
2290 	struct pipe_ctx *odm_pipe;
2291 
2292 	params.opp_cnt = 1;
2293 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
2294 		params.opp_cnt++;
2295 	}
2296 	/* only 3 items below are used by unblank */
2297 	params.timing = pipe_ctx->stream->timing;
2298 
2299 	params.link_settings.link_rate = link_settings->link_rate;
2300 
2301 	if (is_dp_128b_132b_signal(pipe_ctx)) {
2302 		/* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
2303 		pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
2304 				pipe_ctx->stream_res.hpo_dp_stream_enc,
2305 				pipe_ctx->stream_res.tg->inst);
2306 	} else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
2307 		if (optc2_is_two_pixels_per_containter(&stream->timing) || params.opp_cnt > 1)
2308 			params.timing.pix_clk_100hz /= 2;
2309 		pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
2310 				pipe_ctx->stream_res.stream_enc, params.opp_cnt > 1);
2311 		pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
2312 	}
2313 
2314 	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
2315 		hws->funcs.edp_backlight_control(link, true);
2316 	}
2317 }
2318 
2319 void dcn20_setup_vupdate_interrupt(struct dc *dc, struct pipe_ctx *pipe_ctx)
2320 {
2321 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
2322 	int start_line = dc->hwss.get_vupdate_offset_from_vsync(pipe_ctx);
2323 
2324 	if (start_line < 0)
2325 		start_line = 0;
2326 
2327 	if (tg->funcs->setup_vertical_interrupt2)
2328 		tg->funcs->setup_vertical_interrupt2(tg, start_line);
2329 }
2330 
2331 static void dcn20_reset_back_end_for_pipe(
2332 		struct dc *dc,
2333 		struct pipe_ctx *pipe_ctx,
2334 		struct dc_state *context)
2335 {
2336 	int i;
2337 	struct dc_link *link = pipe_ctx->stream->link;
2338 	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2339 
2340 	DC_LOGGER_INIT(dc->ctx->logger);
2341 	if (pipe_ctx->stream_res.stream_enc == NULL) {
2342 		pipe_ctx->stream = NULL;
2343 		return;
2344 	}
2345 
2346 	if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
2347 		/* DPMS may already disable or */
2348 		/* dpms_off status is incorrect due to fastboot
2349 		 * feature. When system resume from S4 with second
2350 		 * screen only, the dpms_off would be true but
2351 		 * VBIOS lit up eDP, so check link status too.
2352 		 */
2353 		if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
2354 			core_link_disable_stream(pipe_ctx);
2355 		else if (pipe_ctx->stream_res.audio)
2356 			dc->hwss.disable_audio_stream(pipe_ctx);
2357 
2358 		/* free acquired resources */
2359 		if (pipe_ctx->stream_res.audio) {
2360 			/*disable az_endpoint*/
2361 			pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
2362 
2363 			/*free audio*/
2364 			if (dc->caps.dynamic_audio == true) {
2365 				/*we have to dynamic arbitrate the audio endpoints*/
2366 				/*we free the resource, need reset is_audio_acquired*/
2367 				update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
2368 						pipe_ctx->stream_res.audio, false);
2369 				pipe_ctx->stream_res.audio = NULL;
2370 			}
2371 		}
2372 	}
2373 	else if (pipe_ctx->stream_res.dsc) {
2374 		dp_set_dsc_enable(pipe_ctx, false);
2375 	}
2376 
2377 	/* by upper caller loop, parent pipe: pipe0, will be reset last.
2378 	 * back end share by all pipes and will be disable only when disable
2379 	 * parent pipe.
2380 	 */
2381 	if (pipe_ctx->top_pipe == NULL) {
2382 
2383 		dc->hwss.set_abm_immediate_disable(pipe_ctx);
2384 
2385 		pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
2386 
2387 		pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
2388 		if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
2389 			pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
2390 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
2391 
2392 		if (pipe_ctx->stream_res.tg->funcs->set_drr)
2393 			pipe_ctx->stream_res.tg->funcs->set_drr(
2394 					pipe_ctx->stream_res.tg, NULL);
2395 		/* TODO - convert symclk_ref_cnts for otg to a bit map to solve
2396 		 * the case where the same symclk is shared across multiple otg
2397 		 * instances
2398 		 */
2399 		link->phy_state.symclk_ref_cnts.otg = 0;
2400 		if (link->phy_state.symclk_state == SYMCLK_ON_TX_OFF) {
2401 			link_hwss->disable_link_output(link,
2402 					&pipe_ctx->link_res, pipe_ctx->stream->signal);
2403 			link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
2404 		}
2405 	}
2406 
2407 	for (i = 0; i < dc->res_pool->pipe_count; i++)
2408 		if (&dc->current_state->res_ctx.pipe_ctx[i] == pipe_ctx)
2409 			break;
2410 
2411 	if (i == dc->res_pool->pipe_count)
2412 		return;
2413 
2414 	pipe_ctx->stream = NULL;
2415 	DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
2416 					pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
2417 }
2418 
2419 void dcn20_reset_hw_ctx_wrap(
2420 		struct dc *dc,
2421 		struct dc_state *context)
2422 {
2423 	int i;
2424 	struct dce_hwseq *hws = dc->hwseq;
2425 
2426 	/* Reset Back End*/
2427 	for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
2428 		struct pipe_ctx *pipe_ctx_old =
2429 			&dc->current_state->res_ctx.pipe_ctx[i];
2430 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2431 
2432 		if (!pipe_ctx_old->stream)
2433 			continue;
2434 
2435 		if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
2436 			continue;
2437 
2438 		if (!pipe_ctx->stream ||
2439 				pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
2440 			struct clock_source *old_clk = pipe_ctx_old->clock_source;
2441 
2442 			dcn20_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
2443 			if (hws->funcs.enable_stream_gating)
2444 				hws->funcs.enable_stream_gating(dc, pipe_ctx_old);
2445 			if (old_clk)
2446 				old_clk->funcs->cs_power_down(old_clk);
2447 		}
2448 	}
2449 }
2450 
2451 void dcn20_update_visual_confirm_color(struct dc *dc, struct pipe_ctx *pipe_ctx, struct tg_color *color, int mpcc_id)
2452 {
2453 	struct mpc *mpc = dc->res_pool->mpc;
2454 
2455 	// input to MPCC is always RGB, by default leave black_color at 0
2456 	if (dc->debug.visual_confirm == VISUAL_CONFIRM_HDR)
2457 		get_hdr_visual_confirm_color(pipe_ctx, color);
2458 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SURFACE)
2459 		get_surface_visual_confirm_color(pipe_ctx, color);
2460 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_MPCTREE)
2461 		get_mpctree_visual_confirm_color(pipe_ctx, color);
2462 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SWIZZLE)
2463 		get_surface_tile_visual_confirm_color(pipe_ctx, color);
2464 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SUBVP)
2465 		get_subvp_visual_confirm_color(dc, pipe_ctx, color);
2466 
2467 	if (mpc->funcs->set_bg_color) {
2468 		memcpy(&pipe_ctx->plane_state->visual_confirm_color, color, sizeof(struct tg_color));
2469 		mpc->funcs->set_bg_color(mpc, color, mpcc_id);
2470 	}
2471 }
2472 
2473 void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
2474 {
2475 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2476 	struct mpcc_blnd_cfg blnd_cfg = {0};
2477 	bool per_pixel_alpha = pipe_ctx->plane_state->per_pixel_alpha;
2478 	int mpcc_id;
2479 	struct mpcc *new_mpcc;
2480 	struct mpc *mpc = dc->res_pool->mpc;
2481 	struct mpc_tree *mpc_tree_params = &(pipe_ctx->stream_res.opp->mpc_tree_params);
2482 
2483 	blnd_cfg.overlap_only = false;
2484 	blnd_cfg.global_gain = 0xff;
2485 
2486 	if (per_pixel_alpha) {
2487 		blnd_cfg.pre_multiplied_alpha = pipe_ctx->plane_state->pre_multiplied_alpha;
2488 		if (pipe_ctx->plane_state->global_alpha) {
2489 			blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN;
2490 			blnd_cfg.global_gain = pipe_ctx->plane_state->global_alpha_value;
2491 		} else {
2492 			blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
2493 		}
2494 	} else {
2495 		blnd_cfg.pre_multiplied_alpha = false;
2496 		blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA;
2497 	}
2498 
2499 	if (pipe_ctx->plane_state->global_alpha)
2500 		blnd_cfg.global_alpha = pipe_ctx->plane_state->global_alpha_value;
2501 	else
2502 		blnd_cfg.global_alpha = 0xff;
2503 
2504 	blnd_cfg.background_color_bpc = 4;
2505 	blnd_cfg.bottom_gain_mode = 0;
2506 	blnd_cfg.top_gain = 0x1f000;
2507 	blnd_cfg.bottom_inside_gain = 0x1f000;
2508 	blnd_cfg.bottom_outside_gain = 0x1f000;
2509 
2510 	if (pipe_ctx->plane_state->format
2511 			== SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA)
2512 		blnd_cfg.pre_multiplied_alpha = false;
2513 
2514 	/*
2515 	 * TODO: remove hack
2516 	 * Note: currently there is a bug in init_hw such that
2517 	 * on resume from hibernate, BIOS sets up MPCC0, and
2518 	 * we do mpcc_remove but the mpcc cannot go to idle
2519 	 * after remove. This cause us to pick mpcc1 here,
2520 	 * which causes a pstate hang for yet unknown reason.
2521 	 */
2522 	mpcc_id = hubp->inst;
2523 
2524 	/* If there is no full update, don't need to touch MPC tree*/
2525 	if (!pipe_ctx->plane_state->update_flags.bits.full_update &&
2526 		!pipe_ctx->update_flags.bits.mpcc) {
2527 		mpc->funcs->update_blending(mpc, &blnd_cfg, mpcc_id);
2528 		dc->hwss.update_visual_confirm_color(dc, pipe_ctx, &blnd_cfg.black_color, mpcc_id);
2529 		return;
2530 	}
2531 
2532 	/* check if this MPCC is already being used */
2533 	new_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, mpcc_id);
2534 	/* remove MPCC if being used */
2535 	if (new_mpcc != NULL)
2536 		mpc->funcs->remove_mpcc(mpc, mpc_tree_params, new_mpcc);
2537 	else
2538 		if (dc->debug.sanity_checks)
2539 			mpc->funcs->assert_mpcc_idle_before_connect(
2540 					dc->res_pool->mpc, mpcc_id);
2541 
2542 	/* Call MPC to insert new plane */
2543 	new_mpcc = mpc->funcs->insert_plane(dc->res_pool->mpc,
2544 			mpc_tree_params,
2545 			&blnd_cfg,
2546 			NULL,
2547 			NULL,
2548 			hubp->inst,
2549 			mpcc_id);
2550 	dc->hwss.update_visual_confirm_color(dc, pipe_ctx, &blnd_cfg.black_color, mpcc_id);
2551 
2552 	ASSERT(new_mpcc != NULL);
2553 	hubp->opp_id = pipe_ctx->stream_res.opp->inst;
2554 	hubp->mpcc_id = mpcc_id;
2555 }
2556 
2557 void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
2558 {
2559 	enum dc_lane_count lane_count =
2560 		pipe_ctx->stream->link->cur_link_settings.lane_count;
2561 
2562 	struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
2563 	struct dc_link *link = pipe_ctx->stream->link;
2564 
2565 	uint32_t active_total_with_borders;
2566 	uint32_t early_control = 0;
2567 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
2568 	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2569 	struct dc *dc = pipe_ctx->stream->ctx->dc;
2570 
2571 	if (is_dp_128b_132b_signal(pipe_ctx)) {
2572 		if (dc->hwseq->funcs.setup_hpo_hw_control)
2573 			dc->hwseq->funcs.setup_hpo_hw_control(dc->hwseq, true);
2574 	}
2575 
2576 	link_hwss->setup_stream_encoder(pipe_ctx);
2577 
2578 	if (pipe_ctx->plane_state && pipe_ctx->plane_state->flip_immediate != 1) {
2579 		if (dc->hwss.program_dmdata_engine)
2580 			dc->hwss.program_dmdata_engine(pipe_ctx);
2581 	}
2582 
2583 	dc->hwss.update_info_frame(pipe_ctx);
2584 
2585 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
2586 		dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
2587 
2588 	/* enable early control to avoid corruption on DP monitor*/
2589 	active_total_with_borders =
2590 			timing->h_addressable
2591 				+ timing->h_border_left
2592 				+ timing->h_border_right;
2593 
2594 	if (lane_count != 0)
2595 		early_control = active_total_with_borders % lane_count;
2596 
2597 	if (early_control == 0)
2598 		early_control = lane_count;
2599 
2600 	tg->funcs->set_early_control(tg, early_control);
2601 
2602 	if (dc->hwseq->funcs.set_pixels_per_cycle)
2603 		dc->hwseq->funcs.set_pixels_per_cycle(pipe_ctx);
2604 
2605 	/* enable audio only within mode set */
2606 	if (pipe_ctx->stream_res.audio != NULL) {
2607 		if (is_dp_128b_132b_signal(pipe_ctx))
2608 			pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_audio_enable(pipe_ctx->stream_res.hpo_dp_stream_enc);
2609 		else if (dc_is_dp_signal(pipe_ctx->stream->signal))
2610 			pipe_ctx->stream_res.stream_enc->funcs->dp_audio_enable(pipe_ctx->stream_res.stream_enc);
2611 	}
2612 }
2613 
2614 void dcn20_program_dmdata_engine(struct pipe_ctx *pipe_ctx)
2615 {
2616 	struct dc_stream_state    *stream     = pipe_ctx->stream;
2617 	struct hubp               *hubp       = pipe_ctx->plane_res.hubp;
2618 	bool                       enable     = false;
2619 	struct stream_encoder     *stream_enc = pipe_ctx->stream_res.stream_enc;
2620 	enum dynamic_metadata_mode mode       = dc_is_dp_signal(stream->signal)
2621 							? dmdata_dp
2622 							: dmdata_hdmi;
2623 
2624 	/* if using dynamic meta, don't set up generic infopackets */
2625 	if (pipe_ctx->stream->dmdata_address.quad_part != 0) {
2626 		pipe_ctx->stream_res.encoder_info_frame.hdrsmd.valid = false;
2627 		enable = true;
2628 	}
2629 
2630 	if (!hubp)
2631 		return;
2632 
2633 	if (!stream_enc || !stream_enc->funcs->set_dynamic_metadata)
2634 		return;
2635 
2636 	stream_enc->funcs->set_dynamic_metadata(stream_enc, enable,
2637 						hubp->inst, mode);
2638 }
2639 
2640 void dcn20_fpga_init_hw(struct dc *dc)
2641 {
2642 	int i, j;
2643 	struct dce_hwseq *hws = dc->hwseq;
2644 	struct resource_pool *res_pool = dc->res_pool;
2645 	struct dc_state  *context = dc->current_state;
2646 
2647 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
2648 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
2649 
2650 	// Initialize the dccg
2651 	if (res_pool->dccg->funcs->dccg_init)
2652 		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
2653 
2654 	//Enable ability to power gate / don't force power on permanently
2655 	hws->funcs.enable_power_gating_plane(hws, true);
2656 
2657 	// Specific to FPGA dccg and registers
2658 	REG_WRITE(RBBMIF_TIMEOUT_DIS, 0xFFFFFFFF);
2659 	REG_WRITE(RBBMIF_TIMEOUT_DIS_2, 0xFFFFFFFF);
2660 
2661 	hws->funcs.dccg_init(hws);
2662 
2663 	REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
2664 	REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
2665 	if (REG(REFCLK_CNTL))
2666 		REG_WRITE(REFCLK_CNTL, 0);
2667 	//
2668 
2669 
2670 	/* Blank pixel data with OPP DPG */
2671 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2672 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2673 
2674 		if (tg->funcs->is_tg_enabled(tg))
2675 			dcn20_init_blank(dc, tg);
2676 	}
2677 
2678 	for (i = 0; i < res_pool->timing_generator_count; i++) {
2679 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2680 
2681 		if (tg->funcs->is_tg_enabled(tg))
2682 			tg->funcs->lock(tg);
2683 	}
2684 
2685 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2686 		struct dpp *dpp = res_pool->dpps[i];
2687 
2688 		dpp->funcs->dpp_reset(dpp);
2689 	}
2690 
2691 	/* Reset all MPCC muxes */
2692 	res_pool->mpc->funcs->mpc_init(res_pool->mpc);
2693 
2694 	/* initialize OPP mpc_tree parameter */
2695 	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
2696 		res_pool->opps[i]->mpc_tree_params.opp_id = res_pool->opps[i]->inst;
2697 		res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2698 		for (j = 0; j < MAX_PIPES; j++)
2699 			res_pool->opps[i]->mpcc_disconnect_pending[j] = false;
2700 	}
2701 
2702 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2703 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2704 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2705 		struct hubp *hubp = dc->res_pool->hubps[i];
2706 		struct dpp *dpp = dc->res_pool->dpps[i];
2707 
2708 		pipe_ctx->stream_res.tg = tg;
2709 		pipe_ctx->pipe_idx = i;
2710 
2711 		pipe_ctx->plane_res.hubp = hubp;
2712 		pipe_ctx->plane_res.dpp = dpp;
2713 		pipe_ctx->plane_res.mpcc_inst = dpp->inst;
2714 		hubp->mpcc_id = dpp->inst;
2715 		hubp->opp_id = OPP_ID_INVALID;
2716 		hubp->power_gated = false;
2717 		pipe_ctx->stream_res.opp = NULL;
2718 
2719 		hubp->funcs->hubp_init(hubp);
2720 
2721 		//dc->res_pool->opps[i]->mpc_tree_params.opp_id = dc->res_pool->opps[i]->inst;
2722 		//dc->res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2723 		dc->res_pool->opps[i]->mpcc_disconnect_pending[pipe_ctx->plane_res.mpcc_inst] = true;
2724 		pipe_ctx->stream_res.opp = dc->res_pool->opps[i];
2725 		/*to do*/
2726 		hws->funcs.plane_atomic_disconnect(dc, pipe_ctx);
2727 	}
2728 
2729 	/* initialize DWB pointer to MCIF_WB */
2730 	for (i = 0; i < res_pool->res_cap->num_dwb; i++)
2731 		res_pool->dwbc[i]->mcif = res_pool->mcif_wb[i];
2732 
2733 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2734 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2735 
2736 		if (tg->funcs->is_tg_enabled(tg))
2737 			tg->funcs->unlock(tg);
2738 	}
2739 
2740 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2741 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2742 
2743 		dc->hwss.disable_plane(dc, pipe_ctx);
2744 
2745 		pipe_ctx->stream_res.tg = NULL;
2746 		pipe_ctx->plane_res.hubp = NULL;
2747 	}
2748 
2749 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2750 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2751 
2752 		tg->funcs->tg_init(tg);
2753 	}
2754 
2755 	if (dc->res_pool->hubbub->funcs->init_crb)
2756 		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
2757 }
2758 #ifndef TRIM_FSFT
2759 bool dcn20_optimize_timing_for_fsft(struct dc *dc,
2760 		struct dc_crtc_timing *timing,
2761 		unsigned int max_input_rate_in_khz)
2762 {
2763 	unsigned int old_v_front_porch;
2764 	unsigned int old_v_total;
2765 	unsigned int max_input_rate_in_100hz;
2766 	unsigned long long new_v_total;
2767 
2768 	max_input_rate_in_100hz = max_input_rate_in_khz * 10;
2769 	if (max_input_rate_in_100hz < timing->pix_clk_100hz)
2770 		return false;
2771 
2772 	old_v_total = timing->v_total;
2773 	old_v_front_porch = timing->v_front_porch;
2774 
2775 	timing->fast_transport_output_rate_100hz = timing->pix_clk_100hz;
2776 	timing->pix_clk_100hz = max_input_rate_in_100hz;
2777 
2778 	new_v_total = div_u64((unsigned long long)old_v_total * max_input_rate_in_100hz, timing->pix_clk_100hz);
2779 
2780 	timing->v_total = new_v_total;
2781 	timing->v_front_porch = old_v_front_porch + (timing->v_total - old_v_total);
2782 	return true;
2783 }
2784 #endif
2785 
2786 void dcn20_set_disp_pattern_generator(const struct dc *dc,
2787 		struct pipe_ctx *pipe_ctx,
2788 		enum controller_dp_test_pattern test_pattern,
2789 		enum controller_dp_color_space color_space,
2790 		enum dc_color_depth color_depth,
2791 		const struct tg_color *solid_color,
2792 		int width, int height, int offset)
2793 {
2794 	pipe_ctx->stream_res.opp->funcs->opp_set_disp_pattern_generator(pipe_ctx->stream_res.opp, test_pattern,
2795 			color_space, color_depth, solid_color, width, height, offset);
2796 }
2797