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