1 /*
2  * Copyright 2016 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 #include <linux/delay.h>
26 
27 #include "dm_services.h"
28 #include "basics/dc_common.h"
29 #include "dm_helpers.h"
30 #include "core_types.h"
31 #include "resource.h"
32 #include "dcn20_resource.h"
33 #include "dcn20_hwseq.h"
34 #include "dce/dce_hwseq.h"
35 #include "dcn20_dsc.h"
36 #include "dcn20_optc.h"
37 #include "abm.h"
38 #include "clk_mgr.h"
39 #include "dmcu.h"
40 #include "hubp.h"
41 #include "timing_generator.h"
42 #include "opp.h"
43 #include "ipp.h"
44 #include "mpc.h"
45 #include "mcif_wb.h"
46 #include "dchubbub.h"
47 #include "reg_helper.h"
48 #include "dcn10/dcn10_cm_common.h"
49 #include "dc_link_dp.h"
50 #include "vm_helper.h"
51 #include "dccg.h"
52 #include "dc_dmub_srv.h"
53 #include "dce/dmub_hw_lock_mgr.h"
54 #include "hw_sequencer.h"
55 #include "inc/link_dpcd.h"
56 #include "dpcd_defs.h"
57 #include "inc/link_enc_cfg.h"
58 #include "link_hwss.h"
59 
60 #define DC_LOGGER_INIT(logger)
61 
62 #define CTX \
63 	hws->ctx
64 #define REG(reg)\
65 	hws->regs->reg
66 
67 #undef FN
68 #define FN(reg_name, field_name) \
69 	hws->shifts->field_name, hws->masks->field_name
70 
71 static int find_free_gsl_group(const struct dc *dc)
72 {
73 	if (dc->res_pool->gsl_groups.gsl_0 == 0)
74 		return 1;
75 	if (dc->res_pool->gsl_groups.gsl_1 == 0)
76 		return 2;
77 	if (dc->res_pool->gsl_groups.gsl_2 == 0)
78 		return 3;
79 
80 	return 0;
81 }
82 
83 /* NOTE: This is not a generic setup_gsl function (hence the suffix as_lock)
84  * This is only used to lock pipes in pipe splitting case with immediate flip
85  * Ordinary MPC/OTG locks suppress VUPDATE which doesn't help with immediate,
86  * so we get tearing with freesync since we cannot flip multiple pipes
87  * atomically.
88  * We use GSL for this:
89  * - immediate flip: find first available GSL group if not already assigned
90  *                   program gsl with that group, set current OTG as master
91  *                   and always us 0x4 = AND of flip_ready from all pipes
92  * - vsync flip: disable GSL if used
93  *
94  * Groups in stream_res are stored as +1 from HW registers, i.e.
95  * gsl_0 <=> pipe_ctx->stream_res.gsl_group == 1
96  * Using a magic value like -1 would require tracking all inits/resets
97  */
98 static void dcn20_setup_gsl_group_as_lock(
99 		const struct dc *dc,
100 		struct pipe_ctx *pipe_ctx,
101 		bool enable)
102 {
103 	struct gsl_params gsl;
104 	int group_idx;
105 
106 	memset(&gsl, 0, sizeof(struct gsl_params));
107 
108 	if (enable) {
109 		/* return if group already assigned since GSL was set up
110 		 * for vsync flip, we would unassign so it can't be "left over"
111 		 */
112 		if (pipe_ctx->stream_res.gsl_group > 0)
113 			return;
114 
115 		group_idx = find_free_gsl_group(dc);
116 		ASSERT(group_idx != 0);
117 		pipe_ctx->stream_res.gsl_group = group_idx;
118 
119 		/* set gsl group reg field and mark resource used */
120 		switch (group_idx) {
121 		case 1:
122 			gsl.gsl0_en = 1;
123 			dc->res_pool->gsl_groups.gsl_0 = 1;
124 			break;
125 		case 2:
126 			gsl.gsl1_en = 1;
127 			dc->res_pool->gsl_groups.gsl_1 = 1;
128 			break;
129 		case 3:
130 			gsl.gsl2_en = 1;
131 			dc->res_pool->gsl_groups.gsl_2 = 1;
132 			break;
133 		default:
134 			BREAK_TO_DEBUGGER();
135 			return; // invalid case
136 		}
137 		gsl.gsl_master_en = 1;
138 	} else {
139 		group_idx = pipe_ctx->stream_res.gsl_group;
140 		if (group_idx == 0)
141 			return; // if not in use, just return
142 
143 		pipe_ctx->stream_res.gsl_group = 0;
144 
145 		/* unset gsl group reg field and mark resource free */
146 		switch (group_idx) {
147 		case 1:
148 			gsl.gsl0_en = 0;
149 			dc->res_pool->gsl_groups.gsl_0 = 0;
150 			break;
151 		case 2:
152 			gsl.gsl1_en = 0;
153 			dc->res_pool->gsl_groups.gsl_1 = 0;
154 			break;
155 		case 3:
156 			gsl.gsl2_en = 0;
157 			dc->res_pool->gsl_groups.gsl_2 = 0;
158 			break;
159 		default:
160 			BREAK_TO_DEBUGGER();
161 			return;
162 		}
163 		gsl.gsl_master_en = 0;
164 	}
165 
166 	/* at this point we want to program whether it's to enable or disable */
167 	if (pipe_ctx->stream_res.tg->funcs->set_gsl != NULL &&
168 		pipe_ctx->stream_res.tg->funcs->set_gsl_source_select != NULL) {
169 		pipe_ctx->stream_res.tg->funcs->set_gsl(
170 			pipe_ctx->stream_res.tg,
171 			&gsl);
172 
173 		pipe_ctx->stream_res.tg->funcs->set_gsl_source_select(
174 			pipe_ctx->stream_res.tg, group_idx,	enable ? 4 : 0);
175 	} else
176 		BREAK_TO_DEBUGGER();
177 }
178 
179 void dcn20_set_flip_control_gsl(
180 		struct pipe_ctx *pipe_ctx,
181 		bool flip_immediate)
182 {
183 	if (pipe_ctx && pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl)
184 		pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl(
185 				pipe_ctx->plane_res.hubp, flip_immediate);
186 
187 }
188 
189 void dcn20_enable_power_gating_plane(
190 	struct dce_hwseq *hws,
191 	bool enable)
192 {
193 	bool force_on = true; /* disable power gating */
194 
195 	if (enable)
196 		force_on = false;
197 
198 	/* DCHUBP0/1/2/3/4/5 */
199 	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN0_POWER_FORCEON, force_on);
200 	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN2_POWER_FORCEON, force_on);
201 	REG_UPDATE(DOMAIN4_PG_CONFIG, DOMAIN4_POWER_FORCEON, force_on);
202 	REG_UPDATE(DOMAIN6_PG_CONFIG, DOMAIN6_POWER_FORCEON, force_on);
203 	if (REG(DOMAIN8_PG_CONFIG))
204 		REG_UPDATE(DOMAIN8_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
205 	if (REG(DOMAIN10_PG_CONFIG))
206 		REG_UPDATE(DOMAIN10_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
207 
208 	/* DPP0/1/2/3/4/5 */
209 	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN1_POWER_FORCEON, force_on);
210 	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN3_POWER_FORCEON, force_on);
211 	REG_UPDATE(DOMAIN5_PG_CONFIG, DOMAIN5_POWER_FORCEON, force_on);
212 	REG_UPDATE(DOMAIN7_PG_CONFIG, DOMAIN7_POWER_FORCEON, force_on);
213 	if (REG(DOMAIN9_PG_CONFIG))
214 		REG_UPDATE(DOMAIN9_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
215 	if (REG(DOMAIN11_PG_CONFIG))
216 		REG_UPDATE(DOMAIN11_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
217 
218 	/* DCS0/1/2/3/4/5 */
219 	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN16_POWER_FORCEON, force_on);
220 	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN17_POWER_FORCEON, force_on);
221 	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN18_POWER_FORCEON, force_on);
222 	if (REG(DOMAIN19_PG_CONFIG))
223 		REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN19_POWER_FORCEON, force_on);
224 	if (REG(DOMAIN20_PG_CONFIG))
225 		REG_UPDATE(DOMAIN20_PG_CONFIG, DOMAIN20_POWER_FORCEON, force_on);
226 	if (REG(DOMAIN21_PG_CONFIG))
227 		REG_UPDATE(DOMAIN21_PG_CONFIG, DOMAIN21_POWER_FORCEON, force_on);
228 }
229 
230 void dcn20_dccg_init(struct dce_hwseq *hws)
231 {
232 	/*
233 	 * set MICROSECOND_TIME_BASE_DIV
234 	 * 100Mhz refclk -> 0x120264
235 	 * 27Mhz refclk -> 0x12021b
236 	 * 48Mhz refclk -> 0x120230
237 	 *
238 	 */
239 	REG_WRITE(MICROSECOND_TIME_BASE_DIV, 0x120264);
240 
241 	/*
242 	 * set MILLISECOND_TIME_BASE_DIV
243 	 * 100Mhz refclk -> 0x1186a0
244 	 * 27Mhz refclk -> 0x106978
245 	 * 48Mhz refclk -> 0x10bb80
246 	 *
247 	 */
248 	REG_WRITE(MILLISECOND_TIME_BASE_DIV, 0x1186a0);
249 
250 	/* This value is dependent on the hardware pipeline delay so set once per SOC */
251 	REG_WRITE(DISPCLK_FREQ_CHANGE_CNTL, 0xe01003c);
252 }
253 
254 void dcn20_disable_vga(
255 	struct dce_hwseq *hws)
256 {
257 	REG_WRITE(D1VGA_CONTROL, 0);
258 	REG_WRITE(D2VGA_CONTROL, 0);
259 	REG_WRITE(D3VGA_CONTROL, 0);
260 	REG_WRITE(D4VGA_CONTROL, 0);
261 	REG_WRITE(D5VGA_CONTROL, 0);
262 	REG_WRITE(D6VGA_CONTROL, 0);
263 }
264 
265 void dcn20_program_triple_buffer(
266 	const struct dc *dc,
267 	struct pipe_ctx *pipe_ctx,
268 	bool enable_triple_buffer)
269 {
270 	if (pipe_ctx->plane_res.hubp && pipe_ctx->plane_res.hubp->funcs) {
271 		pipe_ctx->plane_res.hubp->funcs->hubp_enable_tripleBuffer(
272 			pipe_ctx->plane_res.hubp,
273 			enable_triple_buffer);
274 	}
275 }
276 
277 /* Blank pixel data during initialization */
278 void dcn20_init_blank(
279 		struct dc *dc,
280 		struct timing_generator *tg)
281 {
282 	struct dce_hwseq *hws = dc->hwseq;
283 	enum dc_color_space color_space;
284 	struct tg_color black_color = {0};
285 	struct output_pixel_processor *opp = NULL;
286 	struct output_pixel_processor *bottom_opp = NULL;
287 	uint32_t num_opps, opp_id_src0, opp_id_src1;
288 	uint32_t otg_active_width, otg_active_height;
289 
290 	/* program opp dpg blank color */
291 	color_space = COLOR_SPACE_SRGB;
292 	color_space_to_black_color(dc, color_space, &black_color);
293 
294 	/* get the OTG active size */
295 	tg->funcs->get_otg_active_size(tg,
296 			&otg_active_width,
297 			&otg_active_height);
298 
299 	/* get the OPTC source */
300 	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
301 
302 	if (opp_id_src0 >= dc->res_pool->res_cap->num_opp) {
303 		ASSERT(false);
304 		return;
305 	}
306 	opp = dc->res_pool->opps[opp_id_src0];
307 
308 	if (num_opps == 2) {
309 		otg_active_width = otg_active_width / 2;
310 
311 		if (opp_id_src1 >= dc->res_pool->res_cap->num_opp) {
312 			ASSERT(false);
313 			return;
314 		}
315 		bottom_opp = dc->res_pool->opps[opp_id_src1];
316 	}
317 
318 	opp->funcs->opp_set_disp_pattern_generator(
319 			opp,
320 			CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
321 			CONTROLLER_DP_COLOR_SPACE_UDEFINED,
322 			COLOR_DEPTH_UNDEFINED,
323 			&black_color,
324 			otg_active_width,
325 			otg_active_height,
326 			0);
327 
328 	if (num_opps == 2) {
329 		bottom_opp->funcs->opp_set_disp_pattern_generator(
330 				bottom_opp,
331 				CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
332 				CONTROLLER_DP_COLOR_SPACE_UDEFINED,
333 				COLOR_DEPTH_UNDEFINED,
334 				&black_color,
335 				otg_active_width,
336 				otg_active_height,
337 				0);
338 	}
339 
340 	hws->funcs.wait_for_blank_complete(opp);
341 }
342 
343 void dcn20_dsc_pg_control(
344 		struct dce_hwseq *hws,
345 		unsigned int dsc_inst,
346 		bool power_on)
347 {
348 	uint32_t power_gate = power_on ? 0 : 1;
349 	uint32_t pwr_status = power_on ? 0 : 2;
350 	uint32_t org_ip_request_cntl = 0;
351 
352 	if (hws->ctx->dc->debug.disable_dsc_power_gate)
353 		return;
354 
355 	if (REG(DOMAIN16_PG_CONFIG) == 0)
356 		return;
357 
358 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
359 	if (org_ip_request_cntl == 0)
360 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
361 
362 	switch (dsc_inst) {
363 	case 0: /* DSC0 */
364 		REG_UPDATE(DOMAIN16_PG_CONFIG,
365 				DOMAIN16_POWER_GATE, power_gate);
366 
367 		REG_WAIT(DOMAIN16_PG_STATUS,
368 				DOMAIN16_PGFSM_PWR_STATUS, pwr_status,
369 				1, 1000);
370 		break;
371 	case 1: /* DSC1 */
372 		REG_UPDATE(DOMAIN17_PG_CONFIG,
373 				DOMAIN17_POWER_GATE, power_gate);
374 
375 		REG_WAIT(DOMAIN17_PG_STATUS,
376 				DOMAIN17_PGFSM_PWR_STATUS, pwr_status,
377 				1, 1000);
378 		break;
379 	case 2: /* DSC2 */
380 		REG_UPDATE(DOMAIN18_PG_CONFIG,
381 				DOMAIN18_POWER_GATE, power_gate);
382 
383 		REG_WAIT(DOMAIN18_PG_STATUS,
384 				DOMAIN18_PGFSM_PWR_STATUS, pwr_status,
385 				1, 1000);
386 		break;
387 	case 3: /* DSC3 */
388 		REG_UPDATE(DOMAIN19_PG_CONFIG,
389 				DOMAIN19_POWER_GATE, power_gate);
390 
391 		REG_WAIT(DOMAIN19_PG_STATUS,
392 				DOMAIN19_PGFSM_PWR_STATUS, pwr_status,
393 				1, 1000);
394 		break;
395 	case 4: /* DSC4 */
396 		REG_UPDATE(DOMAIN20_PG_CONFIG,
397 				DOMAIN20_POWER_GATE, power_gate);
398 
399 		REG_WAIT(DOMAIN20_PG_STATUS,
400 				DOMAIN20_PGFSM_PWR_STATUS, pwr_status,
401 				1, 1000);
402 		break;
403 	case 5: /* DSC5 */
404 		REG_UPDATE(DOMAIN21_PG_CONFIG,
405 				DOMAIN21_POWER_GATE, power_gate);
406 
407 		REG_WAIT(DOMAIN21_PG_STATUS,
408 				DOMAIN21_PGFSM_PWR_STATUS, pwr_status,
409 				1, 1000);
410 		break;
411 	default:
412 		BREAK_TO_DEBUGGER();
413 		break;
414 	}
415 
416 	if (org_ip_request_cntl == 0)
417 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
418 }
419 
420 void dcn20_dpp_pg_control(
421 		struct dce_hwseq *hws,
422 		unsigned int dpp_inst,
423 		bool power_on)
424 {
425 	uint32_t power_gate = power_on ? 0 : 1;
426 	uint32_t pwr_status = power_on ? 0 : 2;
427 
428 	if (hws->ctx->dc->debug.disable_dpp_power_gate)
429 		return;
430 	if (REG(DOMAIN1_PG_CONFIG) == 0)
431 		return;
432 
433 	switch (dpp_inst) {
434 	case 0: /* DPP0 */
435 		REG_UPDATE(DOMAIN1_PG_CONFIG,
436 				DOMAIN1_POWER_GATE, power_gate);
437 
438 		REG_WAIT(DOMAIN1_PG_STATUS,
439 				DOMAIN1_PGFSM_PWR_STATUS, pwr_status,
440 				1, 1000);
441 		break;
442 	case 1: /* DPP1 */
443 		REG_UPDATE(DOMAIN3_PG_CONFIG,
444 				DOMAIN3_POWER_GATE, power_gate);
445 
446 		REG_WAIT(DOMAIN3_PG_STATUS,
447 				DOMAIN3_PGFSM_PWR_STATUS, pwr_status,
448 				1, 1000);
449 		break;
450 	case 2: /* DPP2 */
451 		REG_UPDATE(DOMAIN5_PG_CONFIG,
452 				DOMAIN5_POWER_GATE, power_gate);
453 
454 		REG_WAIT(DOMAIN5_PG_STATUS,
455 				DOMAIN5_PGFSM_PWR_STATUS, pwr_status,
456 				1, 1000);
457 		break;
458 	case 3: /* DPP3 */
459 		REG_UPDATE(DOMAIN7_PG_CONFIG,
460 				DOMAIN7_POWER_GATE, power_gate);
461 
462 		REG_WAIT(DOMAIN7_PG_STATUS,
463 				DOMAIN7_PGFSM_PWR_STATUS, pwr_status,
464 				1, 1000);
465 		break;
466 	case 4: /* DPP4 */
467 		REG_UPDATE(DOMAIN9_PG_CONFIG,
468 				DOMAIN9_POWER_GATE, power_gate);
469 
470 		REG_WAIT(DOMAIN9_PG_STATUS,
471 				DOMAIN9_PGFSM_PWR_STATUS, pwr_status,
472 				1, 1000);
473 		break;
474 	case 5: /* DPP5 */
475 		/*
476 		 * Do not power gate DPP5, should be left at HW default, power on permanently.
477 		 * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
478 		 * reset.
479 		 * REG_UPDATE(DOMAIN11_PG_CONFIG,
480 		 *		DOMAIN11_POWER_GATE, power_gate);
481 		 *
482 		 * REG_WAIT(DOMAIN11_PG_STATUS,
483 		 *		DOMAIN11_PGFSM_PWR_STATUS, pwr_status,
484 		 * 		1, 1000);
485 		 */
486 		break;
487 	default:
488 		BREAK_TO_DEBUGGER();
489 		break;
490 	}
491 }
492 
493 
494 void dcn20_hubp_pg_control(
495 		struct dce_hwseq *hws,
496 		unsigned int hubp_inst,
497 		bool power_on)
498 {
499 	uint32_t power_gate = power_on ? 0 : 1;
500 	uint32_t pwr_status = power_on ? 0 : 2;
501 
502 	if (hws->ctx->dc->debug.disable_hubp_power_gate)
503 		return;
504 	if (REG(DOMAIN0_PG_CONFIG) == 0)
505 		return;
506 
507 	switch (hubp_inst) {
508 	case 0: /* DCHUBP0 */
509 		REG_UPDATE(DOMAIN0_PG_CONFIG,
510 				DOMAIN0_POWER_GATE, power_gate);
511 
512 		REG_WAIT(DOMAIN0_PG_STATUS,
513 				DOMAIN0_PGFSM_PWR_STATUS, pwr_status,
514 				1, 1000);
515 		break;
516 	case 1: /* DCHUBP1 */
517 		REG_UPDATE(DOMAIN2_PG_CONFIG,
518 				DOMAIN2_POWER_GATE, power_gate);
519 
520 		REG_WAIT(DOMAIN2_PG_STATUS,
521 				DOMAIN2_PGFSM_PWR_STATUS, pwr_status,
522 				1, 1000);
523 		break;
524 	case 2: /* DCHUBP2 */
525 		REG_UPDATE(DOMAIN4_PG_CONFIG,
526 				DOMAIN4_POWER_GATE, power_gate);
527 
528 		REG_WAIT(DOMAIN4_PG_STATUS,
529 				DOMAIN4_PGFSM_PWR_STATUS, pwr_status,
530 				1, 1000);
531 		break;
532 	case 3: /* DCHUBP3 */
533 		REG_UPDATE(DOMAIN6_PG_CONFIG,
534 				DOMAIN6_POWER_GATE, power_gate);
535 
536 		REG_WAIT(DOMAIN6_PG_STATUS,
537 				DOMAIN6_PGFSM_PWR_STATUS, pwr_status,
538 				1, 1000);
539 		break;
540 	case 4: /* DCHUBP4 */
541 		REG_UPDATE(DOMAIN8_PG_CONFIG,
542 				DOMAIN8_POWER_GATE, power_gate);
543 
544 		REG_WAIT(DOMAIN8_PG_STATUS,
545 				DOMAIN8_PGFSM_PWR_STATUS, pwr_status,
546 				1, 1000);
547 		break;
548 	case 5: /* DCHUBP5 */
549 		/*
550 		 * Do not power gate DCHUB5, should be left at HW default, power on permanently.
551 		 * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
552 		 * reset.
553 		 * REG_UPDATE(DOMAIN10_PG_CONFIG,
554 		 *		DOMAIN10_POWER_GATE, power_gate);
555 		 *
556 		 * REG_WAIT(DOMAIN10_PG_STATUS,
557 		 *		DOMAIN10_PGFSM_PWR_STATUS, pwr_status,
558 		 *		1, 1000);
559 		 */
560 		break;
561 	default:
562 		BREAK_TO_DEBUGGER();
563 		break;
564 	}
565 }
566 
567 
568 /* disable HW used by plane.
569  * note:  cannot disable until disconnect is complete
570  */
571 void dcn20_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
572 {
573 	struct dce_hwseq *hws = dc->hwseq;
574 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
575 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
576 
577 	dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe_ctx);
578 
579 	/* In flip immediate with pipe splitting case GSL is used for
580 	 * synchronization so we must disable it when the plane is disabled.
581 	 */
582 	if (pipe_ctx->stream_res.gsl_group != 0)
583 		dcn20_setup_gsl_group_as_lock(dc, pipe_ctx, false);
584 
585 	dc->hwss.set_flip_control_gsl(pipe_ctx, false);
586 
587 	hubp->funcs->hubp_clk_cntl(hubp, false);
588 
589 	dpp->funcs->dpp_dppclk_control(dpp, false, false);
590 
591 	hubp->power_gated = true;
592 
593 	hws->funcs.plane_atomic_power_down(dc,
594 			pipe_ctx->plane_res.dpp,
595 			pipe_ctx->plane_res.hubp);
596 
597 	pipe_ctx->stream = NULL;
598 	memset(&pipe_ctx->stream_res, 0, sizeof(pipe_ctx->stream_res));
599 	memset(&pipe_ctx->plane_res, 0, sizeof(pipe_ctx->plane_res));
600 	pipe_ctx->top_pipe = NULL;
601 	pipe_ctx->bottom_pipe = NULL;
602 	pipe_ctx->plane_state = NULL;
603 }
604 
605 
606 void dcn20_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx)
607 {
608 	DC_LOGGER_INIT(dc->ctx->logger);
609 
610 	if (!pipe_ctx->plane_res.hubp || pipe_ctx->plane_res.hubp->power_gated)
611 		return;
612 
613 	dcn20_plane_atomic_disable(dc, pipe_ctx);
614 
615 	DC_LOG_DC("Power down front end %d\n",
616 					pipe_ctx->pipe_idx);
617 }
618 
619 void dcn20_disable_pixel_data(struct dc *dc, struct pipe_ctx *pipe_ctx, bool blank)
620 {
621 	dcn20_blank_pixel_data(dc, pipe_ctx, blank);
622 }
623 
624 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
625 		int opp_cnt)
626 {
627 	bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
628 	int flow_ctrl_cnt;
629 
630 	if (opp_cnt >= 2)
631 		hblank_halved = true;
632 
633 	flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
634 			stream->timing.h_border_left -
635 			stream->timing.h_border_right;
636 
637 	if (hblank_halved)
638 		flow_ctrl_cnt /= 2;
639 
640 	/* ODM combine 4:1 case */
641 	if (opp_cnt == 4)
642 		flow_ctrl_cnt /= 2;
643 
644 	return flow_ctrl_cnt;
645 }
646 
647 enum dc_status dcn20_enable_stream_timing(
648 		struct pipe_ctx *pipe_ctx,
649 		struct dc_state *context,
650 		struct dc *dc)
651 {
652 	struct dce_hwseq *hws = dc->hwseq;
653 	struct dc_stream_state *stream = pipe_ctx->stream;
654 	struct drr_params params = {0};
655 	unsigned int event_triggers = 0;
656 	struct pipe_ctx *odm_pipe;
657 	int opp_cnt = 1;
658 	int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
659 	bool interlace = stream->timing.flags.INTERLACE;
660 	int i;
661 	struct mpc_dwb_flow_control flow_control;
662 	struct mpc *mpc = dc->res_pool->mpc;
663 	bool rate_control_2x_pclk = (interlace || optc2_is_two_pixels_per_containter(&stream->timing));
664 
665 	/* by upper caller loop, pipe0 is parent pipe and be called first.
666 	 * back end is set up by for pipe0. Other children pipe share back end
667 	 * with pipe 0. No program is needed.
668 	 */
669 	if (pipe_ctx->top_pipe != NULL)
670 		return DC_OK;
671 
672 	/* TODO check if timing_changed, disable stream if timing changed */
673 
674 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
675 		opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
676 		opp_cnt++;
677 	}
678 
679 	if (opp_cnt > 1)
680 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
681 				pipe_ctx->stream_res.tg,
682 				opp_inst, opp_cnt,
683 				&pipe_ctx->stream->timing);
684 
685 	/* HW program guide assume display already disable
686 	 * by unplug sequence. OTG assume stop.
687 	 */
688 	pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, true);
689 
690 	if (false == pipe_ctx->clock_source->funcs->program_pix_clk(
691 			pipe_ctx->clock_source,
692 			&pipe_ctx->stream_res.pix_clk_params,
693 			&pipe_ctx->pll_settings)) {
694 		BREAK_TO_DEBUGGER();
695 		return DC_ERROR_UNEXPECTED;
696 	}
697 
698 	if (dc->hwseq->funcs.PLAT_58856_wa && (!dc_is_dp_signal(stream->signal)))
699 		dc->hwseq->funcs.PLAT_58856_wa(context, pipe_ctx);
700 
701 	pipe_ctx->stream_res.tg->funcs->program_timing(
702 			pipe_ctx->stream_res.tg,
703 			&stream->timing,
704 			pipe_ctx->pipe_dlg_param.vready_offset,
705 			pipe_ctx->pipe_dlg_param.vstartup_start,
706 			pipe_ctx->pipe_dlg_param.vupdate_offset,
707 			pipe_ctx->pipe_dlg_param.vupdate_width,
708 			pipe_ctx->stream->signal,
709 			true);
710 
711 	rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
712 	flow_control.flow_ctrl_mode = 0;
713 	flow_control.flow_ctrl_cnt0 = 0x80;
714 	flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(stream, opp_cnt);
715 	if (mpc->funcs->set_out_rate_control) {
716 		for (i = 0; i < opp_cnt; ++i) {
717 			mpc->funcs->set_out_rate_control(
718 					mpc, opp_inst[i],
719 					true,
720 					rate_control_2x_pclk,
721 					&flow_control);
722 		}
723 	}
724 
725 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
726 		odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
727 				odm_pipe->stream_res.opp,
728 				true);
729 
730 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
731 			pipe_ctx->stream_res.opp,
732 			true);
733 
734 	hws->funcs.blank_pixel_data(dc, pipe_ctx, true);
735 
736 	/* VTG is  within DCHUB command block. DCFCLK is always on */
737 	if (false == pipe_ctx->stream_res.tg->funcs->enable_crtc(pipe_ctx->stream_res.tg)) {
738 		BREAK_TO_DEBUGGER();
739 		return DC_ERROR_UNEXPECTED;
740 	}
741 
742 	hws->funcs.wait_for_blank_complete(pipe_ctx->stream_res.opp);
743 
744 	params.vertical_total_min = stream->adjust.v_total_min;
745 	params.vertical_total_max = stream->adjust.v_total_max;
746 	params.vertical_total_mid = stream->adjust.v_total_mid;
747 	params.vertical_total_mid_frame_num = stream->adjust.v_total_mid_frame_num;
748 	if (pipe_ctx->stream_res.tg->funcs->set_drr)
749 		pipe_ctx->stream_res.tg->funcs->set_drr(
750 			pipe_ctx->stream_res.tg, &params);
751 
752 	// DRR should set trigger event to monitor surface update event
753 	if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0)
754 		event_triggers = 0x80;
755 	/* Event triggers and num frames initialized for DRR, but can be
756 	 * later updated for PSR use. Note DRR trigger events are generated
757 	 * regardless of whether num frames met.
758 	 */
759 	if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control)
760 		pipe_ctx->stream_res.tg->funcs->set_static_screen_control(
761 				pipe_ctx->stream_res.tg, event_triggers, 2);
762 
763 	/* TODO program crtc source select for non-virtual signal*/
764 	/* TODO program FMT */
765 	/* TODO setup link_enc */
766 	/* TODO set stream attributes */
767 	/* TODO program audio */
768 	/* TODO enable stream if timing changed */
769 	/* TODO unblank stream if DP */
770 
771 	if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM) {
772 		if (pipe_ctx->stream_res.tg && pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable)
773 			pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable(pipe_ctx->stream_res.tg);
774 	}
775 	return DC_OK;
776 }
777 
778 void dcn20_program_output_csc(struct dc *dc,
779 		struct pipe_ctx *pipe_ctx,
780 		enum dc_color_space colorspace,
781 		uint16_t *matrix,
782 		int opp_id)
783 {
784 	struct mpc *mpc = dc->res_pool->mpc;
785 	enum mpc_output_csc_mode ocsc_mode = MPC_OUTPUT_CSC_COEF_A;
786 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
787 
788 	if (mpc->funcs->power_on_mpc_mem_pwr)
789 		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
790 
791 	if (pipe_ctx->stream->csc_color_matrix.enable_adjustment == true) {
792 		if (mpc->funcs->set_output_csc != NULL)
793 			mpc->funcs->set_output_csc(mpc,
794 					opp_id,
795 					matrix,
796 					ocsc_mode);
797 	} else {
798 		if (mpc->funcs->set_ocsc_default != NULL)
799 			mpc->funcs->set_ocsc_default(mpc,
800 					opp_id,
801 					colorspace,
802 					ocsc_mode);
803 	}
804 }
805 
806 bool dcn20_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
807 				const struct dc_stream_state *stream)
808 {
809 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
810 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
811 	struct pwl_params *params = NULL;
812 	/*
813 	 * program OGAM only for the top pipe
814 	 * if there is a pipe split then fix diagnostic is required:
815 	 * how to pass OGAM parameter for stream.
816 	 * if programming for all pipes is required then remove condition
817 	 * pipe_ctx->top_pipe == NULL ,but then fix the diagnostic.
818 	 */
819 	if (mpc->funcs->power_on_mpc_mem_pwr)
820 		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
821 	if (pipe_ctx->top_pipe == NULL
822 			&& mpc->funcs->set_output_gamma && stream->out_transfer_func) {
823 		if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
824 			params = &stream->out_transfer_func->pwl;
825 		else if (pipe_ctx->stream->out_transfer_func->type ==
826 			TF_TYPE_DISTRIBUTED_POINTS &&
827 			cm_helper_translate_curve_to_hw_format(
828 			stream->out_transfer_func,
829 			&mpc->blender_params, false))
830 			params = &mpc->blender_params;
831 		/*
832 		 * there is no ROM
833 		 */
834 		if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
835 			BREAK_TO_DEBUGGER();
836 	}
837 	/*
838 	 * if above if is not executed then 'params' equal to 0 and set in bypass
839 	 */
840 	mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
841 
842 	return true;
843 }
844 
845 bool dcn20_set_blend_lut(
846 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
847 {
848 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
849 	bool result = true;
850 	struct pwl_params *blend_lut = NULL;
851 
852 	if (plane_state->blend_tf) {
853 		if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
854 			blend_lut = &plane_state->blend_tf->pwl;
855 		else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
856 			cm_helper_translate_curve_to_hw_format(
857 					plane_state->blend_tf,
858 					&dpp_base->regamma_params, false);
859 			blend_lut = &dpp_base->regamma_params;
860 		}
861 	}
862 	result = dpp_base->funcs->dpp_program_blnd_lut(dpp_base, blend_lut);
863 
864 	return result;
865 }
866 
867 bool dcn20_set_shaper_3dlut(
868 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
869 {
870 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
871 	bool result = true;
872 	struct pwl_params *shaper_lut = NULL;
873 
874 	if (plane_state->in_shaper_func) {
875 		if (plane_state->in_shaper_func->type == TF_TYPE_HWPWL)
876 			shaper_lut = &plane_state->in_shaper_func->pwl;
877 		else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) {
878 			cm_helper_translate_curve_to_hw_format(
879 					plane_state->in_shaper_func,
880 					&dpp_base->shaper_params, true);
881 			shaper_lut = &dpp_base->shaper_params;
882 		}
883 	}
884 
885 	result = dpp_base->funcs->dpp_program_shaper_lut(dpp_base, shaper_lut);
886 	if (plane_state->lut3d_func &&
887 		plane_state->lut3d_func->state.bits.initialized == 1)
888 		result = dpp_base->funcs->dpp_program_3dlut(dpp_base,
889 								&plane_state->lut3d_func->lut_3d);
890 	else
891 		result = dpp_base->funcs->dpp_program_3dlut(dpp_base, NULL);
892 
893 	return result;
894 }
895 
896 bool dcn20_set_input_transfer_func(struct dc *dc,
897 				struct pipe_ctx *pipe_ctx,
898 				const struct dc_plane_state *plane_state)
899 {
900 	struct dce_hwseq *hws = dc->hwseq;
901 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
902 	const struct dc_transfer_func *tf = NULL;
903 	bool result = true;
904 	bool use_degamma_ram = false;
905 
906 	if (dpp_base == NULL || plane_state == NULL)
907 		return false;
908 
909 	hws->funcs.set_shaper_3dlut(pipe_ctx, plane_state);
910 	hws->funcs.set_blend_lut(pipe_ctx, plane_state);
911 
912 	if (plane_state->in_transfer_func)
913 		tf = plane_state->in_transfer_func;
914 
915 
916 	if (tf == NULL) {
917 		dpp_base->funcs->dpp_set_degamma(dpp_base,
918 				IPP_DEGAMMA_MODE_BYPASS);
919 		return true;
920 	}
921 
922 	if (tf->type == TF_TYPE_HWPWL || tf->type == TF_TYPE_DISTRIBUTED_POINTS)
923 		use_degamma_ram = true;
924 
925 	if (use_degamma_ram == true) {
926 		if (tf->type == TF_TYPE_HWPWL)
927 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
928 					&tf->pwl);
929 		else if (tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
930 			cm_helper_translate_curve_to_degamma_hw_format(tf,
931 					&dpp_base->degamma_params);
932 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
933 				&dpp_base->degamma_params);
934 		}
935 		return true;
936 	}
937 	/* handle here the optimized cases when de-gamma ROM could be used.
938 	 *
939 	 */
940 	if (tf->type == TF_TYPE_PREDEFINED) {
941 		switch (tf->tf) {
942 		case TRANSFER_FUNCTION_SRGB:
943 			dpp_base->funcs->dpp_set_degamma(dpp_base,
944 					IPP_DEGAMMA_MODE_HW_sRGB);
945 			break;
946 		case TRANSFER_FUNCTION_BT709:
947 			dpp_base->funcs->dpp_set_degamma(dpp_base,
948 					IPP_DEGAMMA_MODE_HW_xvYCC);
949 			break;
950 		case TRANSFER_FUNCTION_LINEAR:
951 			dpp_base->funcs->dpp_set_degamma(dpp_base,
952 					IPP_DEGAMMA_MODE_BYPASS);
953 			break;
954 		case TRANSFER_FUNCTION_PQ:
955 			dpp_base->funcs->dpp_set_degamma(dpp_base, IPP_DEGAMMA_MODE_USER_PWL);
956 			cm_helper_translate_curve_to_degamma_hw_format(tf, &dpp_base->degamma_params);
957 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base, &dpp_base->degamma_params);
958 			result = true;
959 			break;
960 		default:
961 			result = false;
962 			break;
963 		}
964 	} else if (tf->type == TF_TYPE_BYPASS)
965 		dpp_base->funcs->dpp_set_degamma(dpp_base,
966 				IPP_DEGAMMA_MODE_BYPASS);
967 	else {
968 		/*
969 		 * if we are here, we did not handle correctly.
970 		 * fix is required for this use case
971 		 */
972 		BREAK_TO_DEBUGGER();
973 		dpp_base->funcs->dpp_set_degamma(dpp_base,
974 				IPP_DEGAMMA_MODE_BYPASS);
975 	}
976 
977 	return result;
978 }
979 
980 void dcn20_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
981 {
982 	struct pipe_ctx *odm_pipe;
983 	int opp_cnt = 1;
984 	int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
985 
986 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
987 		opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
988 		opp_cnt++;
989 	}
990 
991 	if (opp_cnt > 1)
992 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
993 				pipe_ctx->stream_res.tg,
994 				opp_inst, opp_cnt,
995 				&pipe_ctx->stream->timing);
996 	else
997 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
998 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
999 }
1000 
1001 void dcn20_blank_pixel_data(
1002 		struct dc *dc,
1003 		struct pipe_ctx *pipe_ctx,
1004 		bool blank)
1005 {
1006 	struct tg_color black_color = {0};
1007 	struct stream_resource *stream_res = &pipe_ctx->stream_res;
1008 	struct dc_stream_state *stream = pipe_ctx->stream;
1009 	enum dc_color_space color_space = stream->output_color_space;
1010 	enum controller_dp_test_pattern test_pattern = CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR;
1011 	enum controller_dp_color_space test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_UDEFINED;
1012 	struct pipe_ctx *odm_pipe;
1013 	int odm_cnt = 1;
1014 
1015 	int width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
1016 	int height = stream->timing.v_addressable + stream->timing.v_border_bottom + stream->timing.v_border_top;
1017 
1018 	if (stream->link->test_pattern_enabled)
1019 		return;
1020 
1021 	/* get opp dpg blank color */
1022 	color_space_to_black_color(dc, color_space, &black_color);
1023 
1024 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1025 		odm_cnt++;
1026 
1027 	width = width / odm_cnt;
1028 
1029 	if (blank) {
1030 		dc->hwss.set_abm_immediate_disable(pipe_ctx);
1031 
1032 		if (dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
1033 			test_pattern = CONTROLLER_DP_TEST_PATTERN_COLORSQUARES;
1034 			test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_RGB;
1035 		}
1036 	} else {
1037 		test_pattern = CONTROLLER_DP_TEST_PATTERN_VIDEOMODE;
1038 	}
1039 
1040 	dc->hwss.set_disp_pattern_generator(dc,
1041 			pipe_ctx,
1042 			test_pattern,
1043 			test_pattern_color_space,
1044 			stream->timing.display_color_depth,
1045 			&black_color,
1046 			width,
1047 			height,
1048 			0);
1049 
1050 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1051 		dc->hwss.set_disp_pattern_generator(dc,
1052 				odm_pipe,
1053 				dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE && blank ?
1054 						CONTROLLER_DP_TEST_PATTERN_COLORRAMP : test_pattern,
1055 				test_pattern_color_space,
1056 				stream->timing.display_color_depth,
1057 				&black_color,
1058 				width,
1059 				height,
1060 				0);
1061 	}
1062 
1063 	if (!blank)
1064 		if (stream_res->abm) {
1065 			dc->hwss.set_pipe(pipe_ctx);
1066 			stream_res->abm->funcs->set_abm_level(stream_res->abm, stream->abm_level);
1067 		}
1068 }
1069 
1070 
1071 static void dcn20_power_on_plane(
1072 	struct dce_hwseq *hws,
1073 	struct pipe_ctx *pipe_ctx)
1074 {
1075 	DC_LOGGER_INIT(hws->ctx->logger);
1076 	if (REG(DC_IP_REQUEST_CNTL)) {
1077 		REG_SET(DC_IP_REQUEST_CNTL, 0,
1078 				IP_REQUEST_EN, 1);
1079 
1080 		if (hws->funcs.dpp_pg_control)
1081 			hws->funcs.dpp_pg_control(hws, pipe_ctx->plane_res.dpp->inst, true);
1082 
1083 		if (hws->funcs.hubp_pg_control)
1084 			hws->funcs.hubp_pg_control(hws, pipe_ctx->plane_res.hubp->inst, true);
1085 
1086 		REG_SET(DC_IP_REQUEST_CNTL, 0,
1087 				IP_REQUEST_EN, 0);
1088 		DC_LOG_DEBUG(
1089 				"Un-gated front end for pipe %d\n", pipe_ctx->plane_res.hubp->inst);
1090 	}
1091 }
1092 
1093 static void dcn20_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
1094 			       struct dc_state *context)
1095 {
1096 	//if (dc->debug.sanity_checks) {
1097 	//	dcn10_verify_allow_pstate_change_high(dc);
1098 	//}
1099 	dcn20_power_on_plane(dc->hwseq, pipe_ctx);
1100 
1101 	/* enable DCFCLK current DCHUB */
1102 	pipe_ctx->plane_res.hubp->funcs->hubp_clk_cntl(pipe_ctx->plane_res.hubp, true);
1103 
1104 	/* initialize HUBP on power up */
1105 	pipe_ctx->plane_res.hubp->funcs->hubp_init(pipe_ctx->plane_res.hubp);
1106 
1107 	/* make sure OPP_PIPE_CLOCK_EN = 1 */
1108 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
1109 			pipe_ctx->stream_res.opp,
1110 			true);
1111 
1112 /* TODO: enable/disable in dm as per update type.
1113 	if (plane_state) {
1114 		DC_LOG_DC(dc->ctx->logger,
1115 				"Pipe:%d 0x%x: addr hi:0x%x, "
1116 				"addr low:0x%x, "
1117 				"src: %d, %d, %d,"
1118 				" %d; dst: %d, %d, %d, %d;\n",
1119 				pipe_ctx->pipe_idx,
1120 				plane_state,
1121 				plane_state->address.grph.addr.high_part,
1122 				plane_state->address.grph.addr.low_part,
1123 				plane_state->src_rect.x,
1124 				plane_state->src_rect.y,
1125 				plane_state->src_rect.width,
1126 				plane_state->src_rect.height,
1127 				plane_state->dst_rect.x,
1128 				plane_state->dst_rect.y,
1129 				plane_state->dst_rect.width,
1130 				plane_state->dst_rect.height);
1131 
1132 		DC_LOG_DC(dc->ctx->logger,
1133 				"Pipe %d: width, height, x, y         format:%d\n"
1134 				"viewport:%d, %d, %d, %d\n"
1135 				"recout:  %d, %d, %d, %d\n",
1136 				pipe_ctx->pipe_idx,
1137 				plane_state->format,
1138 				pipe_ctx->plane_res.scl_data.viewport.width,
1139 				pipe_ctx->plane_res.scl_data.viewport.height,
1140 				pipe_ctx->plane_res.scl_data.viewport.x,
1141 				pipe_ctx->plane_res.scl_data.viewport.y,
1142 				pipe_ctx->plane_res.scl_data.recout.width,
1143 				pipe_ctx->plane_res.scl_data.recout.height,
1144 				pipe_ctx->plane_res.scl_data.recout.x,
1145 				pipe_ctx->plane_res.scl_data.recout.y);
1146 		print_rq_dlg_ttu(dc, pipe_ctx);
1147 	}
1148 */
1149 	if (dc->vm_pa_config.valid) {
1150 		struct vm_system_aperture_param apt;
1151 
1152 		apt.sys_default.quad_part = 0;
1153 
1154 		apt.sys_low.quad_part = dc->vm_pa_config.system_aperture.start_addr;
1155 		apt.sys_high.quad_part = dc->vm_pa_config.system_aperture.end_addr;
1156 
1157 		// Program system aperture settings
1158 		pipe_ctx->plane_res.hubp->funcs->hubp_set_vm_system_aperture_settings(pipe_ctx->plane_res.hubp, &apt);
1159 	}
1160 
1161 	if (!pipe_ctx->top_pipe
1162 		&& pipe_ctx->plane_state
1163 		&& pipe_ctx->plane_state->flip_int_enabled
1164 		&& pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int)
1165 			pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int(pipe_ctx->plane_res.hubp);
1166 
1167 //	if (dc->debug.sanity_checks) {
1168 //		dcn10_verify_allow_pstate_change_high(dc);
1169 //	}
1170 }
1171 
1172 void dcn20_pipe_control_lock(
1173 	struct dc *dc,
1174 	struct pipe_ctx *pipe,
1175 	bool lock)
1176 {
1177 	struct pipe_ctx *temp_pipe;
1178 	bool flip_immediate = false;
1179 
1180 	/* use TG master update lock to lock everything on the TG
1181 	 * therefore only top pipe need to lock
1182 	 */
1183 	if (!pipe || pipe->top_pipe)
1184 		return;
1185 
1186 	if (pipe->plane_state != NULL)
1187 		flip_immediate = pipe->plane_state->flip_immediate;
1188 
1189 	if  (pipe->stream_res.gsl_group > 0) {
1190 	    temp_pipe = pipe->bottom_pipe;
1191 	    while (!flip_immediate && temp_pipe) {
1192 		    if (temp_pipe->plane_state != NULL)
1193 			    flip_immediate = temp_pipe->plane_state->flip_immediate;
1194 		    temp_pipe = temp_pipe->bottom_pipe;
1195 	    }
1196 	}
1197 
1198 	if (flip_immediate && lock) {
1199 		const int TIMEOUT_FOR_FLIP_PENDING = 100000;
1200 		int i;
1201 
1202 		temp_pipe = pipe;
1203 		while (temp_pipe) {
1204 			if (temp_pipe->plane_state && temp_pipe->plane_state->flip_immediate) {
1205 				for (i = 0; i < TIMEOUT_FOR_FLIP_PENDING; ++i) {
1206 					if (!temp_pipe->plane_res.hubp->funcs->hubp_is_flip_pending(temp_pipe->plane_res.hubp))
1207 						break;
1208 					udelay(1);
1209 				}
1210 
1211 				/* no reason it should take this long for immediate flips */
1212 				ASSERT(i != TIMEOUT_FOR_FLIP_PENDING);
1213 			}
1214 			temp_pipe = temp_pipe->bottom_pipe;
1215 		}
1216 	}
1217 
1218 	/* In flip immediate and pipe splitting case, we need to use GSL
1219 	 * for synchronization. Only do setup on locking and on flip type change.
1220 	 */
1221 	if (lock && (pipe->bottom_pipe != NULL || !flip_immediate))
1222 		if ((flip_immediate && pipe->stream_res.gsl_group == 0) ||
1223 		    (!flip_immediate && pipe->stream_res.gsl_group > 0))
1224 			dcn20_setup_gsl_group_as_lock(dc, pipe, flip_immediate);
1225 
1226 	if (pipe->plane_state != NULL)
1227 		flip_immediate = pipe->plane_state->flip_immediate;
1228 
1229 	temp_pipe = pipe->bottom_pipe;
1230 	while (flip_immediate && temp_pipe) {
1231 	    if (temp_pipe->plane_state != NULL)
1232 		flip_immediate = temp_pipe->plane_state->flip_immediate;
1233 	    temp_pipe = temp_pipe->bottom_pipe;
1234 	}
1235 
1236 	if (!lock && pipe->stream_res.gsl_group > 0 && pipe->plane_state &&
1237 		!flip_immediate)
1238 	    dcn20_setup_gsl_group_as_lock(dc, pipe, false);
1239 
1240 	if (pipe->stream && should_use_dmub_lock(pipe->stream->link)) {
1241 		union dmub_hw_lock_flags hw_locks = { 0 };
1242 		struct dmub_hw_lock_inst_flags inst_flags = { 0 };
1243 
1244 		hw_locks.bits.lock_pipe = 1;
1245 		inst_flags.otg_inst =  pipe->stream_res.tg->inst;
1246 
1247 		if (pipe->plane_state != NULL)
1248 			hw_locks.bits.triple_buffer_lock = pipe->plane_state->triplebuffer_flips;
1249 
1250 		dmub_hw_lock_mgr_cmd(dc->ctx->dmub_srv,
1251 					lock,
1252 					&hw_locks,
1253 					&inst_flags);
1254 	} else if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
1255 		union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 };
1256 		hw_lock_cmd.bits.command_code = DMUB_INBOX0_CMD__HW_LOCK;
1257 		hw_lock_cmd.bits.hw_lock_client = HW_LOCK_CLIENT_DRIVER;
1258 		hw_lock_cmd.bits.lock_pipe = 1;
1259 		hw_lock_cmd.bits.otg_inst = pipe->stream_res.tg->inst;
1260 		hw_lock_cmd.bits.lock = lock;
1261 		if (!lock)
1262 			hw_lock_cmd.bits.should_release = 1;
1263 		dmub_hw_lock_mgr_inbox0_cmd(dc->ctx->dmub_srv, hw_lock_cmd);
1264 	} else if (pipe->plane_state != NULL && pipe->plane_state->triplebuffer_flips) {
1265 		if (lock)
1266 			pipe->stream_res.tg->funcs->triplebuffer_lock(pipe->stream_res.tg);
1267 		else
1268 			pipe->stream_res.tg->funcs->triplebuffer_unlock(pipe->stream_res.tg);
1269 	} else {
1270 		if (lock)
1271 			pipe->stream_res.tg->funcs->lock(pipe->stream_res.tg);
1272 		else
1273 			pipe->stream_res.tg->funcs->unlock(pipe->stream_res.tg);
1274 	}
1275 }
1276 
1277 static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx *new_pipe)
1278 {
1279 	new_pipe->update_flags.raw = 0;
1280 
1281 	/* Exit on unchanged, unused pipe */
1282 	if (!old_pipe->plane_state && !new_pipe->plane_state)
1283 		return;
1284 	/* Detect pipe enable/disable */
1285 	if (!old_pipe->plane_state && new_pipe->plane_state) {
1286 		new_pipe->update_flags.bits.enable = 1;
1287 		new_pipe->update_flags.bits.mpcc = 1;
1288 		new_pipe->update_flags.bits.dppclk = 1;
1289 		new_pipe->update_flags.bits.hubp_interdependent = 1;
1290 		new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1291 		new_pipe->update_flags.bits.gamut_remap = 1;
1292 		new_pipe->update_flags.bits.scaler = 1;
1293 		new_pipe->update_flags.bits.viewport = 1;
1294 		new_pipe->update_flags.bits.det_size = 1;
1295 		if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1296 			new_pipe->update_flags.bits.odm = 1;
1297 			new_pipe->update_flags.bits.global_sync = 1;
1298 		}
1299 		return;
1300 	}
1301 	if (old_pipe->plane_state && !new_pipe->plane_state) {
1302 		new_pipe->update_flags.bits.disable = 1;
1303 		return;
1304 	}
1305 
1306 	/* Detect plane change */
1307 	if (old_pipe->plane_state != new_pipe->plane_state) {
1308 		new_pipe->update_flags.bits.plane_changed = true;
1309 	}
1310 
1311 	/* Detect top pipe only changes */
1312 	if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1313 		/* Detect odm changes */
1314 		if ((old_pipe->next_odm_pipe && new_pipe->next_odm_pipe
1315 			&& old_pipe->next_odm_pipe->pipe_idx != new_pipe->next_odm_pipe->pipe_idx)
1316 				|| (!old_pipe->next_odm_pipe && new_pipe->next_odm_pipe)
1317 				|| (old_pipe->next_odm_pipe && !new_pipe->next_odm_pipe)
1318 				|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1319 			new_pipe->update_flags.bits.odm = 1;
1320 
1321 		/* Detect global sync changes */
1322 		if (old_pipe->pipe_dlg_param.vready_offset != new_pipe->pipe_dlg_param.vready_offset
1323 				|| old_pipe->pipe_dlg_param.vstartup_start != new_pipe->pipe_dlg_param.vstartup_start
1324 				|| old_pipe->pipe_dlg_param.vupdate_offset != new_pipe->pipe_dlg_param.vupdate_offset
1325 				|| old_pipe->pipe_dlg_param.vupdate_width != new_pipe->pipe_dlg_param.vupdate_width)
1326 			new_pipe->update_flags.bits.global_sync = 1;
1327 	}
1328 
1329 	if (old_pipe->det_buffer_size_kb != new_pipe->det_buffer_size_kb)
1330 		new_pipe->update_flags.bits.det_size = 1;
1331 
1332 	/*
1333 	 * Detect opp / tg change, only set on change, not on enable
1334 	 * Assume mpcc inst = pipe index, if not this code needs to be updated
1335 	 * since mpcc is what is affected by these. In fact all of our sequence
1336 	 * makes this assumption at the moment with how hubp reset is matched to
1337 	 * same index mpcc reset.
1338 	 */
1339 	if (old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1340 		new_pipe->update_flags.bits.opp_changed = 1;
1341 	if (old_pipe->stream_res.tg != new_pipe->stream_res.tg)
1342 		new_pipe->update_flags.bits.tg_changed = 1;
1343 
1344 	/*
1345 	 * Detect mpcc blending changes, only dpp inst and opp matter here,
1346 	 * mpccs getting removed/inserted update connected ones during their own
1347 	 * programming
1348 	 */
1349 	if (old_pipe->plane_res.dpp != new_pipe->plane_res.dpp
1350 			|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1351 		new_pipe->update_flags.bits.mpcc = 1;
1352 
1353 	/* Detect dppclk change */
1354 	if (old_pipe->plane_res.bw.dppclk_khz != new_pipe->plane_res.bw.dppclk_khz)
1355 		new_pipe->update_flags.bits.dppclk = 1;
1356 
1357 	/* Check for scl update */
1358 	if (memcmp(&old_pipe->plane_res.scl_data, &new_pipe->plane_res.scl_data, sizeof(struct scaler_data)))
1359 			new_pipe->update_flags.bits.scaler = 1;
1360 	/* Check for vp update */
1361 	if (memcmp(&old_pipe->plane_res.scl_data.viewport, &new_pipe->plane_res.scl_data.viewport, sizeof(struct rect))
1362 			|| memcmp(&old_pipe->plane_res.scl_data.viewport_c,
1363 				&new_pipe->plane_res.scl_data.viewport_c, sizeof(struct rect)))
1364 		new_pipe->update_flags.bits.viewport = 1;
1365 
1366 	/* Detect dlg/ttu/rq updates */
1367 	{
1368 		struct _vcs_dpi_display_dlg_regs_st old_dlg_attr = old_pipe->dlg_regs;
1369 		struct _vcs_dpi_display_ttu_regs_st old_ttu_attr = old_pipe->ttu_regs;
1370 		struct _vcs_dpi_display_dlg_regs_st *new_dlg_attr = &new_pipe->dlg_regs;
1371 		struct _vcs_dpi_display_ttu_regs_st *new_ttu_attr = &new_pipe->ttu_regs;
1372 
1373 		/* Detect pipe interdependent updates */
1374 		if (old_dlg_attr.dst_y_prefetch != new_dlg_attr->dst_y_prefetch ||
1375 				old_dlg_attr.vratio_prefetch != new_dlg_attr->vratio_prefetch ||
1376 				old_dlg_attr.vratio_prefetch_c != new_dlg_attr->vratio_prefetch_c ||
1377 				old_dlg_attr.dst_y_per_vm_vblank != new_dlg_attr->dst_y_per_vm_vblank ||
1378 				old_dlg_attr.dst_y_per_row_vblank != new_dlg_attr->dst_y_per_row_vblank ||
1379 				old_dlg_attr.dst_y_per_vm_flip != new_dlg_attr->dst_y_per_vm_flip ||
1380 				old_dlg_attr.dst_y_per_row_flip != new_dlg_attr->dst_y_per_row_flip ||
1381 				old_dlg_attr.refcyc_per_meta_chunk_vblank_l != new_dlg_attr->refcyc_per_meta_chunk_vblank_l ||
1382 				old_dlg_attr.refcyc_per_meta_chunk_vblank_c != new_dlg_attr->refcyc_per_meta_chunk_vblank_c ||
1383 				old_dlg_attr.refcyc_per_meta_chunk_flip_l != new_dlg_attr->refcyc_per_meta_chunk_flip_l ||
1384 				old_dlg_attr.refcyc_per_line_delivery_pre_l != new_dlg_attr->refcyc_per_line_delivery_pre_l ||
1385 				old_dlg_attr.refcyc_per_line_delivery_pre_c != new_dlg_attr->refcyc_per_line_delivery_pre_c ||
1386 				old_ttu_attr.refcyc_per_req_delivery_pre_l != new_ttu_attr->refcyc_per_req_delivery_pre_l ||
1387 				old_ttu_attr.refcyc_per_req_delivery_pre_c != new_ttu_attr->refcyc_per_req_delivery_pre_c ||
1388 				old_ttu_attr.refcyc_per_req_delivery_pre_cur0 != new_ttu_attr->refcyc_per_req_delivery_pre_cur0 ||
1389 				old_ttu_attr.refcyc_per_req_delivery_pre_cur1 != new_ttu_attr->refcyc_per_req_delivery_pre_cur1 ||
1390 				old_ttu_attr.min_ttu_vblank != new_ttu_attr->min_ttu_vblank ||
1391 				old_ttu_attr.qos_level_flip != new_ttu_attr->qos_level_flip) {
1392 			old_dlg_attr.dst_y_prefetch = new_dlg_attr->dst_y_prefetch;
1393 			old_dlg_attr.vratio_prefetch = new_dlg_attr->vratio_prefetch;
1394 			old_dlg_attr.vratio_prefetch_c = new_dlg_attr->vratio_prefetch_c;
1395 			old_dlg_attr.dst_y_per_vm_vblank = new_dlg_attr->dst_y_per_vm_vblank;
1396 			old_dlg_attr.dst_y_per_row_vblank = new_dlg_attr->dst_y_per_row_vblank;
1397 			old_dlg_attr.dst_y_per_vm_flip = new_dlg_attr->dst_y_per_vm_flip;
1398 			old_dlg_attr.dst_y_per_row_flip = new_dlg_attr->dst_y_per_row_flip;
1399 			old_dlg_attr.refcyc_per_meta_chunk_vblank_l = new_dlg_attr->refcyc_per_meta_chunk_vblank_l;
1400 			old_dlg_attr.refcyc_per_meta_chunk_vblank_c = new_dlg_attr->refcyc_per_meta_chunk_vblank_c;
1401 			old_dlg_attr.refcyc_per_meta_chunk_flip_l = new_dlg_attr->refcyc_per_meta_chunk_flip_l;
1402 			old_dlg_attr.refcyc_per_line_delivery_pre_l = new_dlg_attr->refcyc_per_line_delivery_pre_l;
1403 			old_dlg_attr.refcyc_per_line_delivery_pre_c = new_dlg_attr->refcyc_per_line_delivery_pre_c;
1404 			old_ttu_attr.refcyc_per_req_delivery_pre_l = new_ttu_attr->refcyc_per_req_delivery_pre_l;
1405 			old_ttu_attr.refcyc_per_req_delivery_pre_c = new_ttu_attr->refcyc_per_req_delivery_pre_c;
1406 			old_ttu_attr.refcyc_per_req_delivery_pre_cur0 = new_ttu_attr->refcyc_per_req_delivery_pre_cur0;
1407 			old_ttu_attr.refcyc_per_req_delivery_pre_cur1 = new_ttu_attr->refcyc_per_req_delivery_pre_cur1;
1408 			old_ttu_attr.min_ttu_vblank = new_ttu_attr->min_ttu_vblank;
1409 			old_ttu_attr.qos_level_flip = new_ttu_attr->qos_level_flip;
1410 			new_pipe->update_flags.bits.hubp_interdependent = 1;
1411 		}
1412 		/* Detect any other updates to ttu/rq/dlg */
1413 		if (memcmp(&old_dlg_attr, &new_pipe->dlg_regs, sizeof(old_dlg_attr)) ||
1414 				memcmp(&old_ttu_attr, &new_pipe->ttu_regs, sizeof(old_ttu_attr)) ||
1415 				memcmp(&old_pipe->rq_regs, &new_pipe->rq_regs, sizeof(old_pipe->rq_regs)))
1416 			new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1417 	}
1418 }
1419 
1420 static void dcn20_update_dchubp_dpp(
1421 	struct dc *dc,
1422 	struct pipe_ctx *pipe_ctx,
1423 	struct dc_state *context)
1424 {
1425 	struct dce_hwseq *hws = dc->hwseq;
1426 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
1427 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
1428 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
1429 	bool viewport_changed = false;
1430 
1431 	if (pipe_ctx->update_flags.bits.dppclk)
1432 		dpp->funcs->dpp_dppclk_control(dpp, false, true);
1433 
1434 	/* TODO: Need input parameter to tell current DCHUB pipe tie to which OTG
1435 	 * VTG is within DCHUBBUB which is commond block share by each pipe HUBP.
1436 	 * VTG is 1:1 mapping with OTG. Each pipe HUBP will select which VTG
1437 	 */
1438 	if (pipe_ctx->update_flags.bits.hubp_rq_dlg_ttu) {
1439 		hubp->funcs->hubp_vtg_sel(hubp, pipe_ctx->stream_res.tg->inst);
1440 
1441 		hubp->funcs->hubp_setup(
1442 			hubp,
1443 			&pipe_ctx->dlg_regs,
1444 			&pipe_ctx->ttu_regs,
1445 			&pipe_ctx->rq_regs,
1446 			&pipe_ctx->pipe_dlg_param);
1447 
1448 		if (hubp->funcs->set_unbounded_requesting)
1449 			hubp->funcs->set_unbounded_requesting(hubp, pipe_ctx->unbounded_req);
1450 	}
1451 	if (pipe_ctx->update_flags.bits.hubp_interdependent)
1452 		hubp->funcs->hubp_setup_interdependent(
1453 			hubp,
1454 			&pipe_ctx->dlg_regs,
1455 			&pipe_ctx->ttu_regs);
1456 
1457 	if (pipe_ctx->update_flags.bits.enable ||
1458 			pipe_ctx->update_flags.bits.plane_changed ||
1459 			plane_state->update_flags.bits.bpp_change ||
1460 			plane_state->update_flags.bits.input_csc_change ||
1461 			plane_state->update_flags.bits.color_space_change ||
1462 			plane_state->update_flags.bits.coeff_reduction_change) {
1463 		struct dc_bias_and_scale bns_params = {0};
1464 
1465 		// program the input csc
1466 		dpp->funcs->dpp_setup(dpp,
1467 				plane_state->format,
1468 				EXPANSION_MODE_ZERO,
1469 				plane_state->input_csc_color_matrix,
1470 				plane_state->color_space,
1471 				NULL);
1472 
1473 		if (dpp->funcs->dpp_program_bias_and_scale) {
1474 			//TODO :for CNVC set scale and bias registers if necessary
1475 			build_prescale_params(&bns_params, plane_state);
1476 			dpp->funcs->dpp_program_bias_and_scale(dpp, &bns_params);
1477 		}
1478 	}
1479 
1480 	if (pipe_ctx->update_flags.bits.mpcc
1481 			|| pipe_ctx->update_flags.bits.plane_changed
1482 			|| plane_state->update_flags.bits.global_alpha_change
1483 			|| plane_state->update_flags.bits.per_pixel_alpha_change) {
1484 		// MPCC inst is equal to pipe index in practice
1485 		int mpcc_inst = hubp->inst;
1486 		int opp_inst;
1487 		int opp_count = dc->res_pool->pipe_count;
1488 
1489 		for (opp_inst = 0; opp_inst < opp_count; opp_inst++) {
1490 			if (dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst]) {
1491 				dc->res_pool->mpc->funcs->wait_for_idle(dc->res_pool->mpc, mpcc_inst);
1492 				dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst] = false;
1493 				break;
1494 			}
1495 		}
1496 		hws->funcs.update_mpcc(dc, pipe_ctx);
1497 	}
1498 
1499 	if (pipe_ctx->update_flags.bits.scaler ||
1500 			plane_state->update_flags.bits.scaling_change ||
1501 			plane_state->update_flags.bits.position_change ||
1502 			plane_state->update_flags.bits.per_pixel_alpha_change ||
1503 			pipe_ctx->stream->update_flags.bits.scaling) {
1504 		pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->plane_state->per_pixel_alpha;
1505 		ASSERT(pipe_ctx->plane_res.scl_data.lb_params.depth == LB_PIXEL_DEPTH_36BPP);
1506 		/* scaler configuration */
1507 		pipe_ctx->plane_res.dpp->funcs->dpp_set_scaler(
1508 				pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data);
1509 	}
1510 
1511 	if (pipe_ctx->update_flags.bits.viewport ||
1512 			(context == dc->current_state && plane_state->update_flags.bits.position_change) ||
1513 			(context == dc->current_state && plane_state->update_flags.bits.scaling_change) ||
1514 			(context == dc->current_state && pipe_ctx->stream->update_flags.bits.scaling)) {
1515 
1516 		hubp->funcs->mem_program_viewport(
1517 			hubp,
1518 			&pipe_ctx->plane_res.scl_data.viewport,
1519 			&pipe_ctx->plane_res.scl_data.viewport_c);
1520 		viewport_changed = true;
1521 	}
1522 
1523 	/* Any updates are handled in dc interface, just need to apply existing for plane enable */
1524 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed ||
1525 			pipe_ctx->update_flags.bits.scaler || viewport_changed == true) &&
1526 			pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
1527 		dc->hwss.set_cursor_position(pipe_ctx);
1528 		dc->hwss.set_cursor_attribute(pipe_ctx);
1529 
1530 		if (dc->hwss.set_cursor_sdr_white_level)
1531 			dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
1532 	}
1533 
1534 	/* Any updates are handled in dc interface, just need
1535 	 * to apply existing for plane enable / opp change */
1536 	if (pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed
1537 			|| pipe_ctx->stream->update_flags.bits.gamut_remap
1538 			|| pipe_ctx->stream->update_flags.bits.out_csc) {
1539 		/* dpp/cm gamut remap*/
1540 		dc->hwss.program_gamut_remap(pipe_ctx);
1541 
1542 		/*call the dcn2 method which uses mpc csc*/
1543 		dc->hwss.program_output_csc(dc,
1544 				pipe_ctx,
1545 				pipe_ctx->stream->output_color_space,
1546 				pipe_ctx->stream->csc_color_matrix.matrix,
1547 				hubp->opp_id);
1548 	}
1549 
1550 	if (pipe_ctx->update_flags.bits.enable ||
1551 			pipe_ctx->update_flags.bits.plane_changed ||
1552 			pipe_ctx->update_flags.bits.opp_changed ||
1553 			plane_state->update_flags.bits.pixel_format_change ||
1554 			plane_state->update_flags.bits.horizontal_mirror_change ||
1555 			plane_state->update_flags.bits.rotation_change ||
1556 			plane_state->update_flags.bits.swizzle_change ||
1557 			plane_state->update_flags.bits.dcc_change ||
1558 			plane_state->update_flags.bits.bpp_change ||
1559 			plane_state->update_flags.bits.scaling_change ||
1560 			plane_state->update_flags.bits.plane_size_change) {
1561 		struct plane_size size = plane_state->plane_size;
1562 
1563 		size.surface_size = pipe_ctx->plane_res.scl_data.viewport;
1564 		hubp->funcs->hubp_program_surface_config(
1565 			hubp,
1566 			plane_state->format,
1567 			&plane_state->tiling_info,
1568 			&size,
1569 			plane_state->rotation,
1570 			&plane_state->dcc,
1571 			plane_state->horizontal_mirror,
1572 			0);
1573 		hubp->power_gated = false;
1574 	}
1575 
1576 	if (pipe_ctx->update_flags.bits.enable ||
1577 		pipe_ctx->update_flags.bits.plane_changed ||
1578 		plane_state->update_flags.bits.addr_update)
1579 		hws->funcs.update_plane_addr(dc, pipe_ctx);
1580 
1581 	if (pipe_ctx->update_flags.bits.enable)
1582 		hubp->funcs->set_blank(hubp, false);
1583 	/* If the stream paired with this plane is phantom, the plane is also phantom */
1584 	if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM
1585 			&& hubp->funcs->phantom_hubp_post_enable)
1586 		hubp->funcs->phantom_hubp_post_enable(hubp);
1587 }
1588 
1589 
1590 static void dcn20_program_pipe(
1591 		struct dc *dc,
1592 		struct pipe_ctx *pipe_ctx,
1593 		struct dc_state *context)
1594 {
1595 	struct dce_hwseq *hws = dc->hwseq;
1596 	/* Only need to unblank on top pipe */
1597 
1598 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->stream->update_flags.bits.abm_level)
1599 			&& !pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe)
1600 		hws->funcs.blank_pixel_data(dc, pipe_ctx, !pipe_ctx->plane_state->visible);
1601 
1602 	/* Only update TG on top pipe */
1603 	if (pipe_ctx->update_flags.bits.global_sync && !pipe_ctx->top_pipe
1604 			&& !pipe_ctx->prev_odm_pipe) {
1605 		pipe_ctx->stream_res.tg->funcs->program_global_sync(
1606 				pipe_ctx->stream_res.tg,
1607 				pipe_ctx->pipe_dlg_param.vready_offset,
1608 				pipe_ctx->pipe_dlg_param.vstartup_start,
1609 				pipe_ctx->pipe_dlg_param.vupdate_offset,
1610 				pipe_ctx->pipe_dlg_param.vupdate_width);
1611 
1612 		if (pipe_ctx->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1613 			pipe_ctx->stream_res.tg->funcs->wait_for_state(
1614 				pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
1615 			pipe_ctx->stream_res.tg->funcs->wait_for_state(
1616 				pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
1617 		}
1618 
1619 		pipe_ctx->stream_res.tg->funcs->set_vtg_params(
1620 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, true);
1621 
1622 		if (hws->funcs.setup_vupdate_interrupt)
1623 			hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
1624 	}
1625 
1626 	if (pipe_ctx->update_flags.bits.odm)
1627 		hws->funcs.update_odm(dc, context, pipe_ctx);
1628 
1629 	if (pipe_ctx->update_flags.bits.enable) {
1630 		dcn20_enable_plane(dc, pipe_ctx, context);
1631 		if (dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes)
1632 			dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes(dc->res_pool->hubbub);
1633 	}
1634 
1635 	if (dc->res_pool->hubbub->funcs->program_det_size && pipe_ctx->update_flags.bits.det_size)
1636 		dc->res_pool->hubbub->funcs->program_det_size(
1637 			dc->res_pool->hubbub, pipe_ctx->plane_res.hubp->inst, pipe_ctx->det_buffer_size_kb);
1638 
1639 	if (pipe_ctx->update_flags.raw || pipe_ctx->plane_state->update_flags.raw || pipe_ctx->stream->update_flags.raw)
1640 		dcn20_update_dchubp_dpp(dc, pipe_ctx, context);
1641 
1642 	if (pipe_ctx->update_flags.bits.enable
1643 			|| pipe_ctx->plane_state->update_flags.bits.hdr_mult)
1644 		hws->funcs.set_hdr_multiplier(pipe_ctx);
1645 
1646 	if (pipe_ctx->update_flags.bits.enable ||
1647 			pipe_ctx->plane_state->update_flags.bits.in_transfer_func_change ||
1648 			pipe_ctx->plane_state->update_flags.bits.gamma_change)
1649 		hws->funcs.set_input_transfer_func(dc, pipe_ctx, pipe_ctx->plane_state);
1650 
1651 	/* dcn10_translate_regamma_to_hw_format takes 750us to finish
1652 	 * only do gamma programming for powering on, internal memcmp to avoid
1653 	 * updating on slave planes
1654 	 */
1655 	if (pipe_ctx->update_flags.bits.enable || pipe_ctx->stream->update_flags.bits.out_tf)
1656 		hws->funcs.set_output_transfer_func(dc, pipe_ctx, pipe_ctx->stream);
1657 
1658 	/* If the pipe has been enabled or has a different opp, we
1659 	 * should reprogram the fmt. This deals with cases where
1660 	 * interation between mpc and odm combine on different streams
1661 	 * causes a different pipe to be chosen to odm combine with.
1662 	 */
1663 	if (pipe_ctx->update_flags.bits.enable
1664 	    || pipe_ctx->update_flags.bits.opp_changed) {
1665 
1666 		pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
1667 			pipe_ctx->stream_res.opp,
1668 			COLOR_SPACE_YCBCR601,
1669 			pipe_ctx->stream->timing.display_color_depth,
1670 			pipe_ctx->stream->signal);
1671 
1672 		pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
1673 			pipe_ctx->stream_res.opp,
1674 			&pipe_ctx->stream->bit_depth_params,
1675 			&pipe_ctx->stream->clamping);
1676 	}
1677 }
1678 
1679 void dcn20_program_front_end_for_ctx(
1680 		struct dc *dc,
1681 		struct dc_state *context)
1682 {
1683 	int i;
1684 	struct dce_hwseq *hws = dc->hwseq;
1685 	DC_LOGGER_INIT(dc->ctx->logger);
1686 
1687 	/* Carry over GSL groups in case the context is changing. */
1688        for (i = 0; i < dc->res_pool->pipe_count; i++) {
1689                struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1690                struct pipe_ctx *old_pipe_ctx =
1691                        &dc->current_state->res_ctx.pipe_ctx[i];
1692 
1693                if (pipe_ctx->stream == old_pipe_ctx->stream)
1694                        pipe_ctx->stream_res.gsl_group =
1695                                old_pipe_ctx->stream_res.gsl_group;
1696        }
1697 
1698 	if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) {
1699 		for (i = 0; i < dc->res_pool->pipe_count; i++) {
1700 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1701 
1702 			if (!pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe && pipe_ctx->plane_state) {
1703 				ASSERT(!pipe_ctx->plane_state->triplebuffer_flips);
1704 				/*turn off triple buffer for full update*/
1705 				dc->hwss.program_triplebuffer(
1706 						dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips);
1707 			}
1708 		}
1709 	}
1710 
1711 	/* Set pipe update flags and lock pipes */
1712 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1713 		dcn20_detect_pipe_changes(&dc->current_state->res_ctx.pipe_ctx[i],
1714 				&context->res_ctx.pipe_ctx[i]);
1715 
1716 	/* OTG blank before disabling all front ends */
1717 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1718 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1719 				&& !context->res_ctx.pipe_ctx[i].top_pipe
1720 				&& !context->res_ctx.pipe_ctx[i].prev_odm_pipe
1721 				&& context->res_ctx.pipe_ctx[i].stream)
1722 			hws->funcs.blank_pixel_data(dc, &context->res_ctx.pipe_ctx[i], true);
1723 
1724 
1725 	/* Disconnect mpcc */
1726 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1727 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1728 				|| context->res_ctx.pipe_ctx[i].update_flags.bits.opp_changed) {
1729 			struct hubbub *hubbub = dc->res_pool->hubbub;
1730 
1731 			if (hubbub->funcs->program_det_size && context->res_ctx.pipe_ctx[i].update_flags.bits.disable)
1732 				hubbub->funcs->program_det_size(hubbub, dc->current_state->res_ctx.pipe_ctx[i].plane_res.hubp->inst, 0);
1733 			hws->funcs.plane_atomic_disconnect(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1734 			DC_LOG_DC("Reset mpcc for pipe %d\n", dc->current_state->res_ctx.pipe_ctx[i].pipe_idx);
1735 		}
1736 
1737 	/*
1738 	 * Program all updated pipes, order matters for mpcc setup. Start with
1739 	 * top pipe and program all pipes that follow in order
1740 	 */
1741 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1742 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1743 
1744 		if (pipe->plane_state && !pipe->top_pipe) {
1745 			while (pipe) {
1746 				if (hws->funcs.program_pipe)
1747 					hws->funcs.program_pipe(dc, pipe, context);
1748 				else
1749 					dcn20_program_pipe(dc, pipe, context);
1750 
1751 				pipe = pipe->bottom_pipe;
1752 			}
1753 		}
1754 		/* Program secondary blending tree and writeback pipes */
1755 		pipe = &context->res_ctx.pipe_ctx[i];
1756 		if (!pipe->top_pipe && !pipe->prev_odm_pipe
1757 				&& pipe->stream && pipe->stream->num_wb_info > 0
1758 				&& (pipe->update_flags.raw || (pipe->plane_state && pipe->plane_state->update_flags.raw)
1759 					|| pipe->stream->update_flags.raw)
1760 				&& hws->funcs.program_all_writeback_pipes_in_tree)
1761 			hws->funcs.program_all_writeback_pipes_in_tree(dc, pipe->stream, context);
1762 
1763 		/* Avoid underflow by check of pipe line read when adding 2nd plane. */
1764 		if (hws->wa.wait_hubpret_read_start_during_mpo_transition &&
1765 			!pipe->top_pipe &&
1766 			pipe->stream &&
1767 			pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start &&
1768 			dc->current_state->stream_status[0].plane_count == 1 &&
1769 			context->stream_status[0].plane_count > 1) {
1770 			pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start(pipe->plane_res.hubp);
1771 		}
1772 	}
1773 	if (hws->funcs.program_mall_pipe_config)
1774 		hws->funcs.program_mall_pipe_config(dc, context);
1775 }
1776 
1777 void dcn20_post_unlock_program_front_end(
1778 		struct dc *dc,
1779 		struct dc_state *context)
1780 {
1781 	int i;
1782 	const unsigned int TIMEOUT_FOR_PIPE_ENABLE_MS = 100;
1783 	struct dce_hwseq *hwseq = dc->hwseq;
1784 
1785 	DC_LOGGER_INIT(dc->ctx->logger);
1786 
1787 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1788 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable)
1789 			dc->hwss.disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1790 
1791 	/*
1792 	 * If we are enabling a pipe, we need to wait for pending clear as this is a critical
1793 	 * part of the enable operation otherwise, DM may request an immediate flip which
1794 	 * will cause HW to perform an "immediate enable" (as opposed to "vsync enable") which
1795 	 * is unsupported on DCN.
1796 	 */
1797 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1798 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1799 		if (pipe->plane_state && !pipe->top_pipe && pipe->update_flags.bits.enable) {
1800 			struct hubp *hubp = pipe->plane_res.hubp;
1801 			int j = 0;
1802 
1803 			for (j = 0; j < TIMEOUT_FOR_PIPE_ENABLE_MS*1000
1804 					&& hubp->funcs->hubp_is_flip_pending(hubp); j++)
1805 				mdelay(1);
1806 		}
1807 	}
1808 
1809 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1810 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1811 		struct pipe_ctx *mpcc_pipe;
1812 
1813 		if (pipe->vtp_locked) {
1814 			dc->hwseq->funcs.wait_for_blank_complete(pipe->stream_res.opp);
1815 			pipe->plane_res.hubp->funcs->set_blank(pipe->plane_res.hubp, true);
1816 			pipe->vtp_locked = false;
1817 
1818 			for (mpcc_pipe = pipe->bottom_pipe; mpcc_pipe; mpcc_pipe = mpcc_pipe->bottom_pipe)
1819 				mpcc_pipe->plane_res.hubp->funcs->set_blank(mpcc_pipe->plane_res.hubp, true);
1820 
1821 			for (i = 0; i < dc->res_pool->pipe_count; i++)
1822 				if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable)
1823 					dc->hwss.disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1824 		}
1825 	}
1826 	/* WA to apply WM setting*/
1827 	if (hwseq->wa.DEGVIDCN21)
1828 		dc->res_pool->hubbub->funcs->apply_DEDCN21_147_wa(dc->res_pool->hubbub);
1829 
1830 
1831 	/* WA for stutter underflow during MPO transitions when adding 2nd plane */
1832 	if (hwseq->wa.disallow_self_refresh_during_multi_plane_transition) {
1833 
1834 		if (dc->current_state->stream_status[0].plane_count == 1 &&
1835 				context->stream_status[0].plane_count > 1) {
1836 
1837 			struct timing_generator *tg = dc->res_pool->timing_generators[0];
1838 
1839 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub, false);
1840 
1841 			hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied = true;
1842 			hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied_on_frame = tg->funcs->get_frame_count(tg);
1843 		}
1844 	}
1845 }
1846 
1847 void dcn20_prepare_bandwidth(
1848 		struct dc *dc,
1849 		struct dc_state *context)
1850 {
1851 	struct hubbub *hubbub = dc->res_pool->hubbub;
1852 	unsigned int compbuf_size_kb = 0;
1853 
1854 	dc->clk_mgr->funcs->update_clocks(
1855 			dc->clk_mgr,
1856 			context,
1857 			false);
1858 
1859 	/* program dchubbub watermarks */
1860 	dc->wm_optimized_required = hubbub->funcs->program_watermarks(hubbub,
1861 					&context->bw_ctx.bw.dcn.watermarks,
1862 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
1863 					false);
1864 
1865 	/* decrease compbuf size */
1866 	if (hubbub->funcs->program_compbuf_size) {
1867 		if (context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes)
1868 			compbuf_size_kb = context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes;
1869 		else
1870 			compbuf_size_kb = context->bw_ctx.bw.dcn.compbuf_size_kb;
1871 
1872 		hubbub->funcs->program_compbuf_size(hubbub, compbuf_size_kb, false);
1873 	}
1874 }
1875 
1876 void dcn20_optimize_bandwidth(
1877 		struct dc *dc,
1878 		struct dc_state *context)
1879 {
1880 	struct hubbub *hubbub = dc->res_pool->hubbub;
1881 	int i;
1882 
1883 	/* program dchubbub watermarks */
1884 	hubbub->funcs->program_watermarks(hubbub,
1885 					&context->bw_ctx.bw.dcn.watermarks,
1886 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
1887 					true);
1888 
1889 	if (dc->clk_mgr->dc_mode_softmax_enabled)
1890 		if (dc->clk_mgr->clks.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
1891 				context->bw_ctx.bw.dcn.clk.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
1892 			dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->dc_mode_softmax_memclk);
1893 
1894 	dc->clk_mgr->funcs->update_clocks(
1895 			dc->clk_mgr,
1896 			context,
1897 			true);
1898 	if (dc_extended_blank_supported(dc) && context->bw_ctx.bw.dcn.clk.zstate_support == DCN_ZSTATE_SUPPORT_ALLOW) {
1899 		for (i = 0; i < dc->res_pool->pipe_count; ++i) {
1900 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1901 
1902 			if (pipe_ctx->stream && pipe_ctx->plane_res.hubp->funcs->program_extended_blank
1903 				&& pipe_ctx->stream->adjust.v_total_min == pipe_ctx->stream->adjust.v_total_max
1904 				&& pipe_ctx->stream->adjust.v_total_max > pipe_ctx->stream->timing.v_total)
1905 					pipe_ctx->plane_res.hubp->funcs->program_extended_blank(pipe_ctx->plane_res.hubp,
1906 						pipe_ctx->dlg_regs.optimized_min_dst_y_next_start);
1907 		}
1908 	}
1909 	/* increase compbuf size */
1910 	if (hubbub->funcs->program_compbuf_size)
1911 		hubbub->funcs->program_compbuf_size(hubbub, context->bw_ctx.bw.dcn.compbuf_size_kb, true);
1912 }
1913 
1914 bool dcn20_update_bandwidth(
1915 		struct dc *dc,
1916 		struct dc_state *context)
1917 {
1918 	int i;
1919 	struct dce_hwseq *hws = dc->hwseq;
1920 
1921 	/* recalculate DML parameters */
1922 	if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false))
1923 		return false;
1924 
1925 	/* apply updated bandwidth parameters */
1926 	dc->hwss.prepare_bandwidth(dc, context);
1927 
1928 	/* update hubp configs for all pipes */
1929 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1930 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1931 
1932 		if (pipe_ctx->plane_state == NULL)
1933 			continue;
1934 
1935 		if (pipe_ctx->top_pipe == NULL) {
1936 			bool blank = !is_pipe_tree_visible(pipe_ctx);
1937 
1938 			pipe_ctx->stream_res.tg->funcs->program_global_sync(
1939 					pipe_ctx->stream_res.tg,
1940 					pipe_ctx->pipe_dlg_param.vready_offset,
1941 					pipe_ctx->pipe_dlg_param.vstartup_start,
1942 					pipe_ctx->pipe_dlg_param.vupdate_offset,
1943 					pipe_ctx->pipe_dlg_param.vupdate_width);
1944 
1945 			pipe_ctx->stream_res.tg->funcs->set_vtg_params(
1946 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, false);
1947 
1948 			if (pipe_ctx->prev_odm_pipe == NULL)
1949 				hws->funcs.blank_pixel_data(dc, pipe_ctx, blank);
1950 
1951 			if (hws->funcs.setup_vupdate_interrupt)
1952 				hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
1953 		}
1954 
1955 		pipe_ctx->plane_res.hubp->funcs->hubp_setup(
1956 				pipe_ctx->plane_res.hubp,
1957 					&pipe_ctx->dlg_regs,
1958 					&pipe_ctx->ttu_regs,
1959 					&pipe_ctx->rq_regs,
1960 					&pipe_ctx->pipe_dlg_param);
1961 	}
1962 
1963 	return true;
1964 }
1965 
1966 void dcn20_enable_writeback(
1967 		struct dc *dc,
1968 		struct dc_writeback_info *wb_info,
1969 		struct dc_state *context)
1970 {
1971 	struct dwbc *dwb;
1972 	struct mcif_wb *mcif_wb;
1973 	struct timing_generator *optc;
1974 
1975 	ASSERT(wb_info->dwb_pipe_inst < MAX_DWB_PIPES);
1976 	ASSERT(wb_info->wb_enabled);
1977 	dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
1978 	mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
1979 
1980 	/* set the OPTC source mux */
1981 	optc = dc->res_pool->timing_generators[dwb->otg_inst];
1982 	optc->funcs->set_dwb_source(optc, wb_info->dwb_pipe_inst);
1983 	/* set MCIF_WB buffer and arbitration configuration */
1984 	mcif_wb->funcs->config_mcif_buf(mcif_wb, &wb_info->mcif_buf_params, wb_info->dwb_params.dest_height);
1985 	mcif_wb->funcs->config_mcif_arb(mcif_wb, &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[wb_info->dwb_pipe_inst]);
1986 	/* Enable MCIF_WB */
1987 	mcif_wb->funcs->enable_mcif(mcif_wb);
1988 	/* Enable DWB */
1989 	dwb->funcs->enable(dwb, &wb_info->dwb_params);
1990 	/* TODO: add sequence to enable/disable warmup */
1991 }
1992 
1993 void dcn20_disable_writeback(
1994 		struct dc *dc,
1995 		unsigned int dwb_pipe_inst)
1996 {
1997 	struct dwbc *dwb;
1998 	struct mcif_wb *mcif_wb;
1999 
2000 	ASSERT(dwb_pipe_inst < MAX_DWB_PIPES);
2001 	dwb = dc->res_pool->dwbc[dwb_pipe_inst];
2002 	mcif_wb = dc->res_pool->mcif_wb[dwb_pipe_inst];
2003 
2004 	dwb->funcs->disable(dwb);
2005 	mcif_wb->funcs->disable_mcif(mcif_wb);
2006 }
2007 
2008 bool dcn20_wait_for_blank_complete(
2009 		struct output_pixel_processor *opp)
2010 {
2011 	int counter;
2012 
2013 	for (counter = 0; counter < 1000; counter++) {
2014 		if (opp->funcs->dpg_is_blanked(opp))
2015 			break;
2016 
2017 		udelay(100);
2018 	}
2019 
2020 	if (counter == 1000) {
2021 		dm_error("DC: failed to blank crtc!\n");
2022 		return false;
2023 	}
2024 
2025 	return true;
2026 }
2027 
2028 bool dcn20_dmdata_status_done(struct pipe_ctx *pipe_ctx)
2029 {
2030 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2031 
2032 	if (!hubp)
2033 		return false;
2034 	return hubp->funcs->dmdata_status_done(hubp);
2035 }
2036 
2037 void dcn20_disable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2038 {
2039 	struct dce_hwseq *hws = dc->hwseq;
2040 
2041 	if (pipe_ctx->stream_res.dsc) {
2042 		struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2043 
2044 		hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, true);
2045 		while (odm_pipe) {
2046 			hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, true);
2047 			odm_pipe = odm_pipe->next_odm_pipe;
2048 		}
2049 	}
2050 }
2051 
2052 void dcn20_enable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2053 {
2054 	struct dce_hwseq *hws = dc->hwseq;
2055 
2056 	if (pipe_ctx->stream_res.dsc) {
2057 		struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2058 
2059 		hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, false);
2060 		while (odm_pipe) {
2061 			hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, false);
2062 			odm_pipe = odm_pipe->next_odm_pipe;
2063 		}
2064 	}
2065 }
2066 
2067 void dcn20_set_dmdata_attributes(struct pipe_ctx *pipe_ctx)
2068 {
2069 	struct dc_dmdata_attributes attr = { 0 };
2070 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2071 
2072 	attr.dmdata_mode = DMDATA_HW_MODE;
2073 	attr.dmdata_size =
2074 		dc_is_hdmi_signal(pipe_ctx->stream->signal) ? 32 : 36;
2075 	attr.address.quad_part =
2076 			pipe_ctx->stream->dmdata_address.quad_part;
2077 	attr.dmdata_dl_delta = 0;
2078 	attr.dmdata_qos_mode = 0;
2079 	attr.dmdata_qos_level = 0;
2080 	attr.dmdata_repeat = 1; /* always repeat */
2081 	attr.dmdata_updated = 1;
2082 	attr.dmdata_sw_data = NULL;
2083 
2084 	hubp->funcs->dmdata_set_attributes(hubp, &attr);
2085 }
2086 
2087 void dcn20_init_vm_ctx(
2088 		struct dce_hwseq *hws,
2089 		struct dc *dc,
2090 		struct dc_virtual_addr_space_config *va_config,
2091 		int vmid)
2092 {
2093 	struct dcn_hubbub_virt_addr_config config;
2094 
2095 	if (vmid == 0) {
2096 		ASSERT(0); /* VMID cannot be 0 for vm context */
2097 		return;
2098 	}
2099 
2100 	config.page_table_start_addr = va_config->page_table_start_addr;
2101 	config.page_table_end_addr = va_config->page_table_end_addr;
2102 	config.page_table_block_size = va_config->page_table_block_size_in_bytes;
2103 	config.page_table_depth = va_config->page_table_depth;
2104 	config.page_table_base_addr = va_config->page_table_base_addr;
2105 
2106 	dc->res_pool->hubbub->funcs->init_vm_ctx(dc->res_pool->hubbub, &config, vmid);
2107 }
2108 
2109 int dcn20_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
2110 {
2111 	struct dcn_hubbub_phys_addr_config config;
2112 
2113 	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
2114 	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
2115 	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
2116 	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
2117 	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
2118 	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
2119 	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
2120 	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
2121 	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
2122 	config.page_table_default_page_addr = pa_config->page_table_default_page_addr;
2123 
2124 	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
2125 }
2126 
2127 static bool patch_address_for_sbs_tb_stereo(
2128 		struct pipe_ctx *pipe_ctx, PHYSICAL_ADDRESS_LOC *addr)
2129 {
2130 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2131 	bool sec_split = pipe_ctx->top_pipe &&
2132 			pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state;
2133 	if (sec_split && plane_state->address.type == PLN_ADDR_TYPE_GRPH_STEREO &&
2134 			(pipe_ctx->stream->timing.timing_3d_format ==
2135 			TIMING_3D_FORMAT_SIDE_BY_SIDE ||
2136 			pipe_ctx->stream->timing.timing_3d_format ==
2137 			TIMING_3D_FORMAT_TOP_AND_BOTTOM)) {
2138 		*addr = plane_state->address.grph_stereo.left_addr;
2139 		plane_state->address.grph_stereo.left_addr =
2140 				plane_state->address.grph_stereo.right_addr;
2141 		return true;
2142 	}
2143 
2144 	if (pipe_ctx->stream->view_format != VIEW_3D_FORMAT_NONE &&
2145 			plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO) {
2146 		plane_state->address.type = PLN_ADDR_TYPE_GRPH_STEREO;
2147 		plane_state->address.grph_stereo.right_addr =
2148 				plane_state->address.grph_stereo.left_addr;
2149 		plane_state->address.grph_stereo.right_meta_addr =
2150 				plane_state->address.grph_stereo.left_meta_addr;
2151 	}
2152 	return false;
2153 }
2154 
2155 void dcn20_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx)
2156 {
2157 	bool addr_patched = false;
2158 	PHYSICAL_ADDRESS_LOC addr;
2159 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2160 
2161 	if (plane_state == NULL)
2162 		return;
2163 
2164 	addr_patched = patch_address_for_sbs_tb_stereo(pipe_ctx, &addr);
2165 
2166 	// Call Helper to track VMID use
2167 	vm_helper_mark_vmid_used(dc->vm_helper, plane_state->address.vmid, pipe_ctx->plane_res.hubp->inst);
2168 
2169 	pipe_ctx->plane_res.hubp->funcs->hubp_program_surface_flip_and_addr(
2170 			pipe_ctx->plane_res.hubp,
2171 			&plane_state->address,
2172 			plane_state->flip_immediate);
2173 
2174 	plane_state->status.requested_address = plane_state->address;
2175 
2176 	if (plane_state->flip_immediate)
2177 		plane_state->status.current_address = plane_state->address;
2178 
2179 	if (addr_patched)
2180 		pipe_ctx->plane_state->address.grph_stereo.left_addr = addr;
2181 }
2182 
2183 void dcn20_unblank_stream(struct pipe_ctx *pipe_ctx,
2184 		struct dc_link_settings *link_settings)
2185 {
2186 	struct encoder_unblank_param params = {0};
2187 	struct dc_stream_state *stream = pipe_ctx->stream;
2188 	struct dc_link *link = stream->link;
2189 	struct dce_hwseq *hws = link->dc->hwseq;
2190 	struct pipe_ctx *odm_pipe;
2191 
2192 	params.opp_cnt = 1;
2193 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
2194 		params.opp_cnt++;
2195 	}
2196 	/* only 3 items below are used by unblank */
2197 	params.timing = pipe_ctx->stream->timing;
2198 
2199 	params.link_settings.link_rate = link_settings->link_rate;
2200 
2201 	if (is_dp_128b_132b_signal(pipe_ctx)) {
2202 		/* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
2203 		pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
2204 				pipe_ctx->stream_res.hpo_dp_stream_enc,
2205 				pipe_ctx->stream_res.tg->inst);
2206 	} else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
2207 		if (optc2_is_two_pixels_per_containter(&stream->timing) || params.opp_cnt > 1)
2208 			params.timing.pix_clk_100hz /= 2;
2209 		pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
2210 				pipe_ctx->stream_res.stream_enc, params.opp_cnt > 1);
2211 		pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
2212 	}
2213 
2214 	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
2215 		hws->funcs.edp_backlight_control(link, true);
2216 	}
2217 }
2218 
2219 void dcn20_setup_vupdate_interrupt(struct dc *dc, struct pipe_ctx *pipe_ctx)
2220 {
2221 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
2222 	int start_line = dc->hwss.get_vupdate_offset_from_vsync(pipe_ctx);
2223 
2224 	if (start_line < 0)
2225 		start_line = 0;
2226 
2227 	if (tg->funcs->setup_vertical_interrupt2)
2228 		tg->funcs->setup_vertical_interrupt2(tg, start_line);
2229 }
2230 
2231 static void dcn20_reset_back_end_for_pipe(
2232 		struct dc *dc,
2233 		struct pipe_ctx *pipe_ctx,
2234 		struct dc_state *context)
2235 {
2236 	int i;
2237 	struct dc_link *link;
2238 	DC_LOGGER_INIT(dc->ctx->logger);
2239 	if (pipe_ctx->stream_res.stream_enc == NULL) {
2240 		pipe_ctx->stream = NULL;
2241 		return;
2242 	}
2243 
2244 	if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
2245 		link = pipe_ctx->stream->link;
2246 		/* DPMS may already disable or */
2247 		/* dpms_off status is incorrect due to fastboot
2248 		 * feature. When system resume from S4 with second
2249 		 * screen only, the dpms_off would be true but
2250 		 * VBIOS lit up eDP, so check link status too.
2251 		 */
2252 		if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
2253 			core_link_disable_stream(pipe_ctx);
2254 		else if (pipe_ctx->stream_res.audio)
2255 			dc->hwss.disable_audio_stream(pipe_ctx);
2256 
2257 		/* free acquired resources */
2258 		if (pipe_ctx->stream_res.audio) {
2259 			/*disable az_endpoint*/
2260 			pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
2261 
2262 			/*free audio*/
2263 			if (dc->caps.dynamic_audio == true) {
2264 				/*we have to dynamic arbitrate the audio endpoints*/
2265 				/*we free the resource, need reset is_audio_acquired*/
2266 				update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
2267 						pipe_ctx->stream_res.audio, false);
2268 				pipe_ctx->stream_res.audio = NULL;
2269 			}
2270 		}
2271 	}
2272 	else if (pipe_ctx->stream_res.dsc) {
2273 		dp_set_dsc_enable(pipe_ctx, false);
2274 	}
2275 
2276 	/* by upper caller loop, parent pipe: pipe0, will be reset last.
2277 	 * back end share by all pipes and will be disable only when disable
2278 	 * parent pipe.
2279 	 */
2280 	if (pipe_ctx->top_pipe == NULL) {
2281 
2282 		dc->hwss.set_abm_immediate_disable(pipe_ctx);
2283 
2284 		pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
2285 
2286 		pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
2287 		if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
2288 			pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
2289 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
2290 
2291 		if (pipe_ctx->stream_res.tg->funcs->set_drr)
2292 			pipe_ctx->stream_res.tg->funcs->set_drr(
2293 					pipe_ctx->stream_res.tg, NULL);
2294 	}
2295 
2296 	for (i = 0; i < dc->res_pool->pipe_count; i++)
2297 		if (&dc->current_state->res_ctx.pipe_ctx[i] == pipe_ctx)
2298 			break;
2299 
2300 	if (i == dc->res_pool->pipe_count)
2301 		return;
2302 
2303 	pipe_ctx->stream = NULL;
2304 	DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
2305 					pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
2306 }
2307 
2308 void dcn20_reset_hw_ctx_wrap(
2309 		struct dc *dc,
2310 		struct dc_state *context)
2311 {
2312 	int i;
2313 	struct dce_hwseq *hws = dc->hwseq;
2314 
2315 	/* Reset Back End*/
2316 	for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
2317 		struct pipe_ctx *pipe_ctx_old =
2318 			&dc->current_state->res_ctx.pipe_ctx[i];
2319 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2320 
2321 		if (!pipe_ctx_old->stream)
2322 			continue;
2323 
2324 		if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
2325 			continue;
2326 
2327 		if (!pipe_ctx->stream ||
2328 				pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
2329 			struct clock_source *old_clk = pipe_ctx_old->clock_source;
2330 
2331 			dcn20_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
2332 			if (hws->funcs.enable_stream_gating)
2333 				hws->funcs.enable_stream_gating(dc, pipe_ctx_old);
2334 			if (old_clk)
2335 				old_clk->funcs->cs_power_down(old_clk);
2336 		}
2337 	}
2338 }
2339 
2340 void dcn20_update_visual_confirm_color(struct dc *dc, struct pipe_ctx *pipe_ctx, struct tg_color *color, int mpcc_id)
2341 {
2342 	struct mpc *mpc = dc->res_pool->mpc;
2343 
2344 	// input to MPCC is always RGB, by default leave black_color at 0
2345 	if (dc->debug.visual_confirm == VISUAL_CONFIRM_HDR)
2346 		get_hdr_visual_confirm_color(pipe_ctx, color);
2347 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SURFACE)
2348 		get_surface_visual_confirm_color(pipe_ctx, color);
2349 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_MPCTREE)
2350 		get_mpctree_visual_confirm_color(pipe_ctx, color);
2351 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SWIZZLE)
2352 		get_surface_tile_visual_confirm_color(pipe_ctx, color);
2353 
2354 	if (mpc->funcs->set_bg_color)
2355 		mpc->funcs->set_bg_color(mpc, color, mpcc_id);
2356 }
2357 
2358 void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
2359 {
2360 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2361 	struct mpcc_blnd_cfg blnd_cfg = {0};
2362 	bool per_pixel_alpha = pipe_ctx->plane_state->per_pixel_alpha;
2363 	int mpcc_id;
2364 	struct mpcc *new_mpcc;
2365 	struct mpc *mpc = dc->res_pool->mpc;
2366 	struct mpc_tree *mpc_tree_params = &(pipe_ctx->stream_res.opp->mpc_tree_params);
2367 
2368 	blnd_cfg.overlap_only = false;
2369 	blnd_cfg.global_gain = 0xff;
2370 
2371 	if (per_pixel_alpha) {
2372 		blnd_cfg.pre_multiplied_alpha = pipe_ctx->plane_state->pre_multiplied_alpha;
2373 		if (pipe_ctx->plane_state->global_alpha) {
2374 			blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN;
2375 			blnd_cfg.global_gain = pipe_ctx->plane_state->global_alpha_value;
2376 		} else {
2377 			blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
2378 		}
2379 	} else {
2380 		blnd_cfg.pre_multiplied_alpha = false;
2381 		blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA;
2382 	}
2383 
2384 	if (pipe_ctx->plane_state->global_alpha)
2385 		blnd_cfg.global_alpha = pipe_ctx->plane_state->global_alpha_value;
2386 	else
2387 		blnd_cfg.global_alpha = 0xff;
2388 
2389 	blnd_cfg.background_color_bpc = 4;
2390 	blnd_cfg.bottom_gain_mode = 0;
2391 	blnd_cfg.top_gain = 0x1f000;
2392 	blnd_cfg.bottom_inside_gain = 0x1f000;
2393 	blnd_cfg.bottom_outside_gain = 0x1f000;
2394 
2395 	if (pipe_ctx->plane_state->format
2396 			== SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA)
2397 		blnd_cfg.pre_multiplied_alpha = false;
2398 
2399 	/*
2400 	 * TODO: remove hack
2401 	 * Note: currently there is a bug in init_hw such that
2402 	 * on resume from hibernate, BIOS sets up MPCC0, and
2403 	 * we do mpcc_remove but the mpcc cannot go to idle
2404 	 * after remove. This cause us to pick mpcc1 here,
2405 	 * which causes a pstate hang for yet unknown reason.
2406 	 */
2407 	mpcc_id = hubp->inst;
2408 
2409 	/* If there is no full update, don't need to touch MPC tree*/
2410 	if (!pipe_ctx->plane_state->update_flags.bits.full_update &&
2411 		!pipe_ctx->update_flags.bits.mpcc) {
2412 		mpc->funcs->update_blending(mpc, &blnd_cfg, mpcc_id);
2413 		dc->hwss.update_visual_confirm_color(dc, pipe_ctx, &blnd_cfg.black_color, mpcc_id);
2414 		return;
2415 	}
2416 
2417 	/* check if this MPCC is already being used */
2418 	new_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, mpcc_id);
2419 	/* remove MPCC if being used */
2420 	if (new_mpcc != NULL)
2421 		mpc->funcs->remove_mpcc(mpc, mpc_tree_params, new_mpcc);
2422 	else
2423 		if (dc->debug.sanity_checks)
2424 			mpc->funcs->assert_mpcc_idle_before_connect(
2425 					dc->res_pool->mpc, mpcc_id);
2426 
2427 	/* Call MPC to insert new plane */
2428 	new_mpcc = mpc->funcs->insert_plane(dc->res_pool->mpc,
2429 			mpc_tree_params,
2430 			&blnd_cfg,
2431 			NULL,
2432 			NULL,
2433 			hubp->inst,
2434 			mpcc_id);
2435 
2436 	dc->hwss.update_visual_confirm_color(dc, pipe_ctx, &blnd_cfg.black_color, mpcc_id);
2437 
2438 	ASSERT(new_mpcc != NULL);
2439 	hubp->opp_id = pipe_ctx->stream_res.opp->inst;
2440 	hubp->mpcc_id = mpcc_id;
2441 }
2442 
2443 void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
2444 {
2445 	enum dc_lane_count lane_count =
2446 		pipe_ctx->stream->link->cur_link_settings.lane_count;
2447 
2448 	struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
2449 	struct dc_link *link = pipe_ctx->stream->link;
2450 
2451 	uint32_t active_total_with_borders;
2452 	uint32_t early_control = 0;
2453 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
2454 	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2455 	struct dc *dc = pipe_ctx->stream->ctx->dc;
2456 
2457 	if (is_dp_128b_132b_signal(pipe_ctx)) {
2458 		if (dc->hwseq->funcs.setup_hpo_hw_control)
2459 			dc->hwseq->funcs.setup_hpo_hw_control(dc->hwseq, true);
2460 	}
2461 
2462 	link_hwss->setup_stream_encoder(pipe_ctx);
2463 
2464 	if (pipe_ctx->plane_state && pipe_ctx->plane_state->flip_immediate != 1) {
2465 		if (dc->hwss.program_dmdata_engine)
2466 			dc->hwss.program_dmdata_engine(pipe_ctx);
2467 	}
2468 
2469 	dc->hwss.update_info_frame(pipe_ctx);
2470 
2471 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
2472 		dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
2473 
2474 	/* enable early control to avoid corruption on DP monitor*/
2475 	active_total_with_borders =
2476 			timing->h_addressable
2477 				+ timing->h_border_left
2478 				+ timing->h_border_right;
2479 
2480 	if (lane_count != 0)
2481 		early_control = active_total_with_borders % lane_count;
2482 
2483 	if (early_control == 0)
2484 		early_control = lane_count;
2485 
2486 	tg->funcs->set_early_control(tg, early_control);
2487 
2488 	/* enable audio only within mode set */
2489 	if (pipe_ctx->stream_res.audio != NULL) {
2490 		if (is_dp_128b_132b_signal(pipe_ctx))
2491 			pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_audio_enable(pipe_ctx->stream_res.hpo_dp_stream_enc);
2492 		else if (dc_is_dp_signal(pipe_ctx->stream->signal))
2493 			pipe_ctx->stream_res.stream_enc->funcs->dp_audio_enable(pipe_ctx->stream_res.stream_enc);
2494 	}
2495 }
2496 
2497 void dcn20_program_dmdata_engine(struct pipe_ctx *pipe_ctx)
2498 {
2499 	struct dc_stream_state    *stream     = pipe_ctx->stream;
2500 	struct hubp               *hubp       = pipe_ctx->plane_res.hubp;
2501 	bool                       enable     = false;
2502 	struct stream_encoder     *stream_enc = pipe_ctx->stream_res.stream_enc;
2503 	enum dynamic_metadata_mode mode       = dc_is_dp_signal(stream->signal)
2504 							? dmdata_dp
2505 							: dmdata_hdmi;
2506 
2507 	/* if using dynamic meta, don't set up generic infopackets */
2508 	if (pipe_ctx->stream->dmdata_address.quad_part != 0) {
2509 		pipe_ctx->stream_res.encoder_info_frame.hdrsmd.valid = false;
2510 		enable = true;
2511 	}
2512 
2513 	if (!hubp)
2514 		return;
2515 
2516 	if (!stream_enc || !stream_enc->funcs->set_dynamic_metadata)
2517 		return;
2518 
2519 	stream_enc->funcs->set_dynamic_metadata(stream_enc, enable,
2520 						hubp->inst, mode);
2521 }
2522 
2523 void dcn20_fpga_init_hw(struct dc *dc)
2524 {
2525 	int i, j;
2526 	struct dce_hwseq *hws = dc->hwseq;
2527 	struct resource_pool *res_pool = dc->res_pool;
2528 	struct dc_state  *context = dc->current_state;
2529 
2530 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
2531 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
2532 
2533 	// Initialize the dccg
2534 	if (res_pool->dccg->funcs->dccg_init)
2535 		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
2536 
2537 	//Enable ability to power gate / don't force power on permanently
2538 	hws->funcs.enable_power_gating_plane(hws, true);
2539 
2540 	// Specific to FPGA dccg and registers
2541 	REG_WRITE(RBBMIF_TIMEOUT_DIS, 0xFFFFFFFF);
2542 	REG_WRITE(RBBMIF_TIMEOUT_DIS_2, 0xFFFFFFFF);
2543 
2544 	hws->funcs.dccg_init(hws);
2545 
2546 	REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
2547 	REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
2548 	if (REG(REFCLK_CNTL))
2549 		REG_WRITE(REFCLK_CNTL, 0);
2550 	//
2551 
2552 
2553 	/* Blank pixel data with OPP DPG */
2554 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2555 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2556 
2557 		if (tg->funcs->is_tg_enabled(tg))
2558 			dcn20_init_blank(dc, tg);
2559 	}
2560 
2561 	for (i = 0; i < res_pool->timing_generator_count; i++) {
2562 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2563 
2564 		if (tg->funcs->is_tg_enabled(tg))
2565 			tg->funcs->lock(tg);
2566 	}
2567 
2568 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2569 		struct dpp *dpp = res_pool->dpps[i];
2570 
2571 		dpp->funcs->dpp_reset(dpp);
2572 	}
2573 
2574 	/* Reset all MPCC muxes */
2575 	res_pool->mpc->funcs->mpc_init(res_pool->mpc);
2576 
2577 	/* initialize OPP mpc_tree parameter */
2578 	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
2579 		res_pool->opps[i]->mpc_tree_params.opp_id = res_pool->opps[i]->inst;
2580 		res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2581 		for (j = 0; j < MAX_PIPES; j++)
2582 			res_pool->opps[i]->mpcc_disconnect_pending[j] = false;
2583 	}
2584 
2585 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2586 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2587 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2588 		struct hubp *hubp = dc->res_pool->hubps[i];
2589 		struct dpp *dpp = dc->res_pool->dpps[i];
2590 
2591 		pipe_ctx->stream_res.tg = tg;
2592 		pipe_ctx->pipe_idx = i;
2593 
2594 		pipe_ctx->plane_res.hubp = hubp;
2595 		pipe_ctx->plane_res.dpp = dpp;
2596 		pipe_ctx->plane_res.mpcc_inst = dpp->inst;
2597 		hubp->mpcc_id = dpp->inst;
2598 		hubp->opp_id = OPP_ID_INVALID;
2599 		hubp->power_gated = false;
2600 		pipe_ctx->stream_res.opp = NULL;
2601 
2602 		hubp->funcs->hubp_init(hubp);
2603 
2604 		//dc->res_pool->opps[i]->mpc_tree_params.opp_id = dc->res_pool->opps[i]->inst;
2605 		//dc->res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2606 		dc->res_pool->opps[i]->mpcc_disconnect_pending[pipe_ctx->plane_res.mpcc_inst] = true;
2607 		pipe_ctx->stream_res.opp = dc->res_pool->opps[i];
2608 		/*to do*/
2609 		hws->funcs.plane_atomic_disconnect(dc, pipe_ctx);
2610 	}
2611 
2612 	/* initialize DWB pointer to MCIF_WB */
2613 	for (i = 0; i < res_pool->res_cap->num_dwb; i++)
2614 		res_pool->dwbc[i]->mcif = res_pool->mcif_wb[i];
2615 
2616 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2617 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2618 
2619 		if (tg->funcs->is_tg_enabled(tg))
2620 			tg->funcs->unlock(tg);
2621 	}
2622 
2623 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2624 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2625 
2626 		dc->hwss.disable_plane(dc, pipe_ctx);
2627 
2628 		pipe_ctx->stream_res.tg = NULL;
2629 		pipe_ctx->plane_res.hubp = NULL;
2630 	}
2631 
2632 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2633 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2634 
2635 		tg->funcs->tg_init(tg);
2636 	}
2637 
2638 	if (dc->res_pool->hubbub->funcs->init_crb)
2639 		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
2640 }
2641 #ifndef TRIM_FSFT
2642 bool dcn20_optimize_timing_for_fsft(struct dc *dc,
2643 		struct dc_crtc_timing *timing,
2644 		unsigned int max_input_rate_in_khz)
2645 {
2646 	unsigned int old_v_front_porch;
2647 	unsigned int old_v_total;
2648 	unsigned int max_input_rate_in_100hz;
2649 	unsigned long long new_v_total;
2650 
2651 	max_input_rate_in_100hz = max_input_rate_in_khz * 10;
2652 	if (max_input_rate_in_100hz < timing->pix_clk_100hz)
2653 		return false;
2654 
2655 	old_v_total = timing->v_total;
2656 	old_v_front_porch = timing->v_front_porch;
2657 
2658 	timing->fast_transport_output_rate_100hz = timing->pix_clk_100hz;
2659 	timing->pix_clk_100hz = max_input_rate_in_100hz;
2660 
2661 	new_v_total = div_u64((unsigned long long)old_v_total * max_input_rate_in_100hz, timing->pix_clk_100hz);
2662 
2663 	timing->v_total = new_v_total;
2664 	timing->v_front_porch = old_v_front_porch + (timing->v_total - old_v_total);
2665 	return true;
2666 }
2667 #endif
2668 
2669 void dcn20_set_disp_pattern_generator(const struct dc *dc,
2670 		struct pipe_ctx *pipe_ctx,
2671 		enum controller_dp_test_pattern test_pattern,
2672 		enum controller_dp_color_space color_space,
2673 		enum dc_color_depth color_depth,
2674 		const struct tg_color *solid_color,
2675 		int width, int height, int offset)
2676 {
2677 	pipe_ctx->stream_res.opp->funcs->opp_set_disp_pattern_generator(pipe_ctx->stream_res.opp, test_pattern,
2678 			color_space, color_depth, solid_color, width, height, offset);
2679 }
2680