1 /*
2  * Copyright 2016 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 
27 #include "dm_services.h"
28 #include "dm_helpers.h"
29 #include "core_types.h"
30 #include "resource.h"
31 #include "dccg.h"
32 #include "dce/dce_hwseq.h"
33 #include "dcn30/dcn30_cm_common.h"
34 #include "reg_helper.h"
35 #include "abm.h"
36 #include "hubp.h"
37 #include "dchubbub.h"
38 #include "timing_generator.h"
39 #include "opp.h"
40 #include "ipp.h"
41 #include "mpc.h"
42 #include "mcif_wb.h"
43 #include "dc_dmub_srv.h"
44 #include "link_hwss.h"
45 #include "dpcd_defs.h"
46 #include "dcn32_hwseq.h"
47 #include "clk_mgr.h"
48 #include "dsc.h"
49 #include "dcn20/dcn20_optc.h"
50 #include "dce/dmub_hw_lock_mgr.h"
51 #include "dcn32_resource.h"
52 #include "link.h"
53 
54 #define DC_LOGGER_INIT(logger)
55 
56 #define CTX \
57 	hws->ctx
58 #define REG(reg)\
59 	hws->regs->reg
60 #define DC_LOGGER \
61 		dc->ctx->logger
62 
63 
64 #undef FN
65 #define FN(reg_name, field_name) \
66 	hws->shifts->field_name, hws->masks->field_name
67 
68 void dcn32_dsc_pg_control(
69 		struct dce_hwseq *hws,
70 		unsigned int dsc_inst,
71 		bool power_on)
72 {
73 	uint32_t power_gate = power_on ? 0 : 1;
74 	uint32_t pwr_status = power_on ? 0 : 2;
75 	uint32_t org_ip_request_cntl = 0;
76 
77 	if (hws->ctx->dc->debug.disable_dsc_power_gate)
78 		return;
79 
80 	if (!hws->ctx->dc->debug.enable_double_buffered_dsc_pg_support)
81 		return;
82 
83 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
84 	if (org_ip_request_cntl == 0)
85 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
86 
87 	switch (dsc_inst) {
88 	case 0: /* DSC0 */
89 		REG_UPDATE(DOMAIN16_PG_CONFIG,
90 				DOMAIN_POWER_GATE, power_gate);
91 
92 		REG_WAIT(DOMAIN16_PG_STATUS,
93 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
94 				1, 1000);
95 		break;
96 	case 1: /* DSC1 */
97 		REG_UPDATE(DOMAIN17_PG_CONFIG,
98 				DOMAIN_POWER_GATE, power_gate);
99 
100 		REG_WAIT(DOMAIN17_PG_STATUS,
101 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
102 				1, 1000);
103 		break;
104 	case 2: /* DSC2 */
105 		REG_UPDATE(DOMAIN18_PG_CONFIG,
106 				DOMAIN_POWER_GATE, power_gate);
107 
108 		REG_WAIT(DOMAIN18_PG_STATUS,
109 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
110 				1, 1000);
111 		break;
112 	case 3: /* DSC3 */
113 		REG_UPDATE(DOMAIN19_PG_CONFIG,
114 				DOMAIN_POWER_GATE, power_gate);
115 
116 		REG_WAIT(DOMAIN19_PG_STATUS,
117 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
118 				1, 1000);
119 		break;
120 	default:
121 		BREAK_TO_DEBUGGER();
122 		break;
123 	}
124 
125 	if (org_ip_request_cntl == 0)
126 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
127 }
128 
129 
130 void dcn32_enable_power_gating_plane(
131 	struct dce_hwseq *hws,
132 	bool enable)
133 {
134 	bool force_on = true; /* disable power gating */
135 	uint32_t org_ip_request_cntl = 0;
136 
137 	if (enable)
138 		force_on = false;
139 
140 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
141 	if (org_ip_request_cntl == 0)
142 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
143 
144 	/* DCHUBP0/1/2/3 */
145 	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
146 	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
147 	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
148 	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
149 
150 	/* DCS0/1/2/3 */
151 	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
152 	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
153 	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
154 	REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
155 
156 	if (org_ip_request_cntl == 0)
157 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
158 }
159 
160 void dcn32_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
161 {
162 	uint32_t power_gate = power_on ? 0 : 1;
163 	uint32_t pwr_status = power_on ? 0 : 2;
164 
165 	if (hws->ctx->dc->debug.disable_hubp_power_gate)
166 		return;
167 
168 	if (REG(DOMAIN0_PG_CONFIG) == 0)
169 		return;
170 
171 	switch (hubp_inst) {
172 	case 0:
173 		REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
174 		REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
175 		break;
176 	case 1:
177 		REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
178 		REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
179 		break;
180 	case 2:
181 		REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
182 		REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
183 		break;
184 	case 3:
185 		REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
186 		REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
187 		break;
188 	default:
189 		BREAK_TO_DEBUGGER();
190 		break;
191 	}
192 }
193 
194 static bool dcn32_check_no_memory_request_for_cab(struct dc *dc)
195 {
196 	int i;
197 
198     /* First, check no-memory-request case */
199 	for (i = 0; i < dc->current_state->stream_count; i++) {
200 		if ((dc->current_state->stream_status[i].plane_count) &&
201 			(dc->current_state->streams[i]->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED))
202 			/* Fail eligibility on a visible stream */
203 			break;
204 	}
205 
206 	if (i == dc->current_state->stream_count)
207 		return true;
208 
209 	return false;
210 }
211 
212 
213 /* This function loops through every surface that needs to be cached in CAB for SS,
214  * and calculates the total number of ways required to store all surfaces (primary,
215  * meta, cursor).
216  */
217 static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *ctx)
218 {
219 	int i;
220 	uint32_t num_ways = 0;
221 	uint32_t mall_ss_size_bytes = 0;
222 
223 	mall_ss_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_size_bytes;
224 	// TODO add additional logic for PSR active stream exclusion optimization
225 	// mall_ss_psr_active_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes;
226 
227 	// Include cursor size for CAB allocation
228 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
229 		struct pipe_ctx *pipe = &ctx->res_ctx.pipe_ctx[i];
230 
231 		if (!pipe->stream || !pipe->plane_state)
232 			continue;
233 
234 		mall_ss_size_bytes += dcn32_helper_calculate_mall_bytes_for_cursor(dc, pipe, false);
235 	}
236 
237 	// Convert number of cache lines required to number of ways
238 	if (dc->debug.force_mall_ss_num_ways > 0) {
239 		num_ways = dc->debug.force_mall_ss_num_ways;
240 	} else {
241 		num_ways = dcn32_helper_mall_bytes_to_ways(dc, mall_ss_size_bytes);
242 	}
243 
244 	return num_ways;
245 }
246 
247 bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
248 {
249 	union dmub_rb_cmd cmd;
250 	uint8_t i;
251 	uint32_t ways;
252 	int j;
253 	bool mall_ss_unsupported = false;
254 	struct dc_plane_state *plane = NULL;
255 
256 	if (!dc->ctx->dmub_srv)
257 		return false;
258 
259 	for (i = 0; i < dc->current_state->stream_count; i++) {
260 		/* MALL SS messaging is not supported with PSR at this time */
261 		if (dc->current_state->streams[i] != NULL &&
262 				dc->current_state->streams[i]->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED)
263 			return false;
264 	}
265 
266 	if (enable) {
267 		if (dc->current_state) {
268 
269 			/* 1. Check no memory request case for CAB.
270 			 * If no memory request case, send CAB_ACTION NO_DF_REQ DMUB message
271 			 */
272 			if (dcn32_check_no_memory_request_for_cab(dc)) {
273 				/* Enable no-memory-requests case */
274 				memset(&cmd, 0, sizeof(cmd));
275 				cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
276 				cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_DCN_REQ;
277 				cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header);
278 
279 				dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT);
280 
281 				return true;
282 			}
283 
284 			/* 2. Check if all surfaces can fit in CAB.
285 			 * If surfaces can fit into CAB, send CAB_ACTION_ALLOW DMUB message
286 			 * and configure HUBP's to fetch from MALL
287 			 */
288 			ways = dcn32_calculate_cab_allocation(dc, dc->current_state);
289 
290 			/* MALL not supported with Stereo3D or TMZ surface. If any plane is using stereo,
291 			 * or TMZ surface, don't try to enter MALL.
292 			 */
293 			for (i = 0; i < dc->current_state->stream_count; i++) {
294 				for (j = 0; j < dc->current_state->stream_status[i].plane_count; j++) {
295 					plane = dc->current_state->stream_status[i].plane_states[j];
296 
297 					if (plane->address.type == PLN_ADDR_TYPE_GRPH_STEREO ||
298 							plane->address.tmz_surface) {
299 						mall_ss_unsupported = true;
300 						break;
301 					}
302 				}
303 				if (mall_ss_unsupported)
304 					break;
305 			}
306 			if (ways <= dc->caps.cache_num_ways && !mall_ss_unsupported) {
307 				memset(&cmd, 0, sizeof(cmd));
308 				cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
309 				cmd.cab.header.sub_type = DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB;
310 				cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header);
311 				cmd.cab.cab_alloc_ways = (uint8_t)ways;
312 
313 				dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT);
314 
315 				return true;
316 			}
317 
318 		}
319 		return false;
320 	}
321 
322 	/* Disable CAB */
323 	memset(&cmd, 0, sizeof(cmd));
324 	cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
325 	cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION;
326 	cmd.cab.header.payload_bytes =
327 			sizeof(cmd.cab) - sizeof(cmd.cab.header);
328 
329 	dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
330 
331 	return true;
332 }
333 
334 /* Send DMCUB message with SubVP pipe info
335  * - For each pipe in context, populate payload with required SubVP information
336  *   if the pipe is using SubVP for MCLK switch
337  * - This function must be called while the DMUB HW lock is acquired by driver
338  */
339 void dcn32_commit_subvp_config(struct dc *dc, struct dc_state *context)
340 {
341 	int i;
342 	bool enable_subvp = false;
343 
344 	if (!dc->ctx || !dc->ctx->dmub_srv)
345 		return;
346 
347 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
348 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
349 
350 		if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.paired_stream &&
351 				pipe_ctx->stream->mall_stream_config.type == SUBVP_MAIN) {
352 			// There is at least 1 SubVP pipe, so enable SubVP
353 			enable_subvp = true;
354 			break;
355 		}
356 	}
357 	dc_dmub_setup_subvp_dmub_command(dc, context, enable_subvp);
358 }
359 
360 /* Sub-Viewport DMUB lock needs to be acquired by driver whenever SubVP is active and:
361  * 1. Any full update for any SubVP main pipe
362  * 2. Any immediate flip for any SubVP pipe
363  * 3. Any flip for DRR pipe
364  * 4. If SubVP was previously in use (i.e. in old context)
365  */
366 void dcn32_subvp_pipe_control_lock(struct dc *dc,
367 		struct dc_state *context,
368 		bool lock,
369 		bool should_lock_all_pipes,
370 		struct pipe_ctx *top_pipe_to_program,
371 		bool subvp_prev_use)
372 {
373 	unsigned int i = 0;
374 	bool subvp_immediate_flip = false;
375 	bool subvp_in_use = false;
376 	struct pipe_ctx *pipe;
377 
378 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
379 		pipe = &context->res_ctx.pipe_ctx[i];
380 
381 		if (pipe->stream && pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
382 			subvp_in_use = true;
383 			break;
384 		}
385 	}
386 
387 	if (top_pipe_to_program && top_pipe_to_program->stream && top_pipe_to_program->plane_state) {
388 		if (top_pipe_to_program->stream->mall_stream_config.type == SUBVP_MAIN &&
389 				top_pipe_to_program->plane_state->flip_immediate)
390 			subvp_immediate_flip = true;
391 	}
392 
393 	// Don't need to lock for DRR VSYNC flips -- FW will wait for DRR pending update cleared.
394 	if ((subvp_in_use && (should_lock_all_pipes || subvp_immediate_flip)) || (!subvp_in_use && subvp_prev_use)) {
395 		union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 };
396 
397 		if (!lock) {
398 			for (i = 0; i < dc->res_pool->pipe_count; i++) {
399 				pipe = &context->res_ctx.pipe_ctx[i];
400 				if (pipe->stream && pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_MAIN &&
401 						should_lock_all_pipes)
402 					pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VBLANK);
403 			}
404 		}
405 
406 		hw_lock_cmd.bits.command_code = DMUB_INBOX0_CMD__HW_LOCK;
407 		hw_lock_cmd.bits.hw_lock_client = HW_LOCK_CLIENT_DRIVER;
408 		hw_lock_cmd.bits.lock = lock;
409 		hw_lock_cmd.bits.should_release = !lock;
410 		dmub_hw_lock_mgr_inbox0_cmd(dc->ctx->dmub_srv, hw_lock_cmd);
411 	}
412 }
413 
414 void dcn32_subvp_pipe_control_lock_fast(union block_sequence_params *params)
415 {
416 	struct dc *dc = params->subvp_pipe_control_lock_fast_params.dc;
417 	bool lock = params->subvp_pipe_control_lock_fast_params.lock;
418 	struct pipe_ctx *pipe_ctx = params->subvp_pipe_control_lock_fast_params.pipe_ctx;
419 	bool subvp_immediate_flip = false;
420 
421 	if (pipe_ctx && pipe_ctx->stream && pipe_ctx->plane_state) {
422 		if (pipe_ctx->stream->mall_stream_config.type == SUBVP_MAIN &&
423 				pipe_ctx->plane_state->flip_immediate)
424 			subvp_immediate_flip = true;
425 	}
426 
427 	// Don't need to lock for DRR VSYNC flips -- FW will wait for DRR pending update cleared.
428 	if (subvp_immediate_flip) {
429 		union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 };
430 
431 		hw_lock_cmd.bits.command_code = DMUB_INBOX0_CMD__HW_LOCK;
432 		hw_lock_cmd.bits.hw_lock_client = HW_LOCK_CLIENT_DRIVER;
433 		hw_lock_cmd.bits.lock = lock;
434 		hw_lock_cmd.bits.should_release = !lock;
435 		dmub_hw_lock_mgr_inbox0_cmd(dc->ctx->dmub_srv, hw_lock_cmd);
436 	}
437 }
438 
439 bool dcn32_set_mpc_shaper_3dlut(
440 	struct pipe_ctx *pipe_ctx, const struct dc_stream_state *stream)
441 {
442 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
443 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
444 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
445 	bool result = false;
446 
447 	const struct pwl_params *shaper_lut = NULL;
448 	//get the shaper lut params
449 	if (stream->func_shaper) {
450 		if (stream->func_shaper->type == TF_TYPE_HWPWL)
451 			shaper_lut = &stream->func_shaper->pwl;
452 		else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) {
453 			cm_helper_translate_curve_to_hw_format(stream->ctx,
454 					stream->func_shaper,
455 					&dpp_base->shaper_params, true);
456 			shaper_lut = &dpp_base->shaper_params;
457 		}
458 	}
459 
460 	if (stream->lut3d_func &&
461 		stream->lut3d_func->state.bits.initialized == 1) {
462 
463 		result = mpc->funcs->program_3dlut(mpc,
464 								&stream->lut3d_func->lut_3d,
465 								mpcc_id);
466 
467 		result = mpc->funcs->program_shaper(mpc,
468 								shaper_lut,
469 								mpcc_id);
470 	}
471 
472 	return result;
473 }
474 
475 bool dcn32_set_mcm_luts(
476 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
477 {
478 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
479 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
480 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
481 	bool result = true;
482 	struct pwl_params *lut_params = NULL;
483 
484 	// 1D LUT
485 	if (plane_state->blend_tf) {
486 		if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
487 			lut_params = &plane_state->blend_tf->pwl;
488 		else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
489 			cm3_helper_translate_curve_to_hw_format(plane_state->blend_tf,
490 					&dpp_base->regamma_params, false);
491 			lut_params = &dpp_base->regamma_params;
492 		}
493 	}
494 	result = mpc->funcs->program_1dlut(mpc, lut_params, mpcc_id);
495 
496 	// Shaper
497 	if (plane_state->in_shaper_func) {
498 		if (plane_state->in_shaper_func->type == TF_TYPE_HWPWL)
499 			lut_params = &plane_state->in_shaper_func->pwl;
500 		else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) {
501 			// TODO: dpp_base replace
502 			ASSERT(false);
503 			cm3_helper_translate_curve_to_hw_format(plane_state->in_shaper_func,
504 					&dpp_base->shaper_params, true);
505 			lut_params = &dpp_base->shaper_params;
506 		}
507 	}
508 
509 	result = mpc->funcs->program_shaper(mpc, lut_params, mpcc_id);
510 
511 	// 3D
512 	if (plane_state->lut3d_func && plane_state->lut3d_func->state.bits.initialized == 1)
513 		result = mpc->funcs->program_3dlut(mpc, &plane_state->lut3d_func->lut_3d, mpcc_id);
514 	else
515 		result = mpc->funcs->program_3dlut(mpc, NULL, mpcc_id);
516 
517 	return result;
518 }
519 
520 bool dcn32_set_input_transfer_func(struct dc *dc,
521 				struct pipe_ctx *pipe_ctx,
522 				const struct dc_plane_state *plane_state)
523 {
524 	struct dce_hwseq *hws = dc->hwseq;
525 	struct mpc *mpc = dc->res_pool->mpc;
526 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
527 
528 	enum dc_transfer_func_predefined tf;
529 	bool result = true;
530 	struct pwl_params *params = NULL;
531 
532 	if (mpc == NULL || plane_state == NULL)
533 		return false;
534 
535 	tf = TRANSFER_FUNCTION_UNITY;
536 
537 	if (plane_state->in_transfer_func &&
538 		plane_state->in_transfer_func->type == TF_TYPE_PREDEFINED)
539 		tf = plane_state->in_transfer_func->tf;
540 
541 	dpp_base->funcs->dpp_set_pre_degam(dpp_base, tf);
542 
543 	if (plane_state->in_transfer_func) {
544 		if (plane_state->in_transfer_func->type == TF_TYPE_HWPWL)
545 			params = &plane_state->in_transfer_func->pwl;
546 		else if (plane_state->in_transfer_func->type == TF_TYPE_DISTRIBUTED_POINTS &&
547 			cm3_helper_translate_curve_to_hw_format(plane_state->in_transfer_func,
548 					&dpp_base->degamma_params, false))
549 			params = &dpp_base->degamma_params;
550 	}
551 
552 	dpp_base->funcs->dpp_program_gamcor_lut(dpp_base, params);
553 
554 	if (pipe_ctx->stream_res.opp &&
555 			pipe_ctx->stream_res.opp->ctx &&
556 			hws->funcs.set_mcm_luts)
557 		result = hws->funcs.set_mcm_luts(pipe_ctx, plane_state);
558 
559 	return result;
560 }
561 
562 bool dcn32_set_output_transfer_func(struct dc *dc,
563 				struct pipe_ctx *pipe_ctx,
564 				const struct dc_stream_state *stream)
565 {
566 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
567 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
568 	struct pwl_params *params = NULL;
569 	bool ret = false;
570 
571 	/* program OGAM or 3DLUT only for the top pipe*/
572 	if (resource_is_pipe_type(pipe_ctx, OPP_HEAD)) {
573 		/*program shaper and 3dlut in MPC*/
574 		ret = dcn32_set_mpc_shaper_3dlut(pipe_ctx, stream);
575 		if (ret == false && mpc->funcs->set_output_gamma && stream->out_transfer_func) {
576 			if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
577 				params = &stream->out_transfer_func->pwl;
578 			else if (pipe_ctx->stream->out_transfer_func->type ==
579 					TF_TYPE_DISTRIBUTED_POINTS &&
580 					cm3_helper_translate_curve_to_hw_format(
581 					stream->out_transfer_func,
582 					&mpc->blender_params, false))
583 				params = &mpc->blender_params;
584 			/* there are no ROM LUTs in OUTGAM */
585 			if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
586 				BREAK_TO_DEBUGGER();
587 		}
588 	}
589 
590 	mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
591 	return ret;
592 }
593 
594 /* Program P-State force value according to if pipe is using SubVP / FPO or not:
595  * 1. Reset P-State force on all pipes first
596  * 2. For each main pipe, force P-State disallow (P-State allow moderated by DMUB)
597  */
598 void dcn32_update_force_pstate(struct dc *dc, struct dc_state *context)
599 {
600 	int i;
601 
602 	/* Unforce p-state for each pipe if it is not FPO or SubVP.
603 	 * For FPO and SubVP, if it's already forced disallow, leave
604 	 * it as disallow.
605 	 */
606 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
607 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
608 		struct hubp *hubp = pipe->plane_res.hubp;
609 
610 		if (!pipe->stream || !(pipe->stream->mall_stream_config.type == SUBVP_MAIN ||
611 		    pipe->stream->fpo_in_use)) {
612 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
613 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, false);
614 		}
615 
616 		/* Today only FPO uses cursor P-State force. Only clear cursor P-State force
617 		 * if it's not FPO.
618 		 */
619 		if (!pipe->stream || !pipe->stream->fpo_in_use) {
620 			if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
621 				hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, false);
622 		}
623 	}
624 
625 	/* Loop through each pipe -- for each subvp main pipe force p-state allow equal to false.
626 	 */
627 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
628 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
629 		struct hubp *hubp = pipe->plane_res.hubp;
630 
631 		if (pipe->stream && pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
632 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
633 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, true);
634 		}
635 
636 		if (pipe->stream && pipe->stream->fpo_in_use) {
637 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
638 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, true);
639 			/* For now only force cursor p-state disallow for FPO
640 			 * Needs to be added for subvp once FW side gets updated
641 			 */
642 			if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
643 				hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, true);
644 		}
645 	}
646 }
647 
648 /* Update MALL_SEL register based on if pipe / plane
649  * is a phantom pipe, main pipe, and if using MALL
650  * for SS.
651  */
652 void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context)
653 {
654 	int i;
655 	unsigned int num_ways = dcn32_calculate_cab_allocation(dc, context);
656 	bool cache_cursor = false;
657 
658 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
659 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
660 		struct hubp *hubp = pipe->plane_res.hubp;
661 
662 		if (pipe->stream && pipe->plane_state && hubp && hubp->funcs->hubp_update_mall_sel) {
663 			int cursor_size = hubp->curs_attr.pitch * hubp->curs_attr.height;
664 
665 			switch (hubp->curs_attr.color_format) {
666 			case CURSOR_MODE_MONO:
667 				cursor_size /= 2;
668 				break;
669 			case CURSOR_MODE_COLOR_1BIT_AND:
670 			case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
671 			case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
672 				cursor_size *= 4;
673 				break;
674 
675 			case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED:
676 			case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED:
677 			default:
678 				cursor_size *= 8;
679 				break;
680 			}
681 
682 			if (cursor_size > 16384)
683 				cache_cursor = true;
684 
685 			if (pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
686 					hubp->funcs->hubp_update_mall_sel(hubp, 1, false);
687 			} else {
688 				// MALL not supported with Stereo3D
689 				hubp->funcs->hubp_update_mall_sel(hubp,
690 					num_ways <= dc->caps.cache_num_ways &&
691 					pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED &&
692 					pipe->plane_state->address.type !=  PLN_ADDR_TYPE_GRPH_STEREO &&
693 					!pipe->plane_state->address.tmz_surface ? 2 : 0,
694 							cache_cursor);
695 			}
696 		}
697 	}
698 }
699 
700 /* Program the sub-viewport pipe configuration after the main / phantom pipes
701  * have been programmed in hardware.
702  * 1. Update force P-State for all the main pipes (disallow P-state)
703  * 2. Update MALL_SEL register
704  * 3. Program FORCE_ONE_ROW_FOR_FRAME for main subvp pipes
705  */
706 void dcn32_program_mall_pipe_config(struct dc *dc, struct dc_state *context)
707 {
708 	int i;
709 	struct dce_hwseq *hws = dc->hwseq;
710 
711 	// Don't force p-state disallow -- can't block dummy p-state
712 
713 	// Update MALL_SEL register for each pipe
714 	if (hws && hws->funcs.update_mall_sel)
715 		hws->funcs.update_mall_sel(dc, context);
716 
717 	// Program FORCE_ONE_ROW_FOR_FRAME and CURSOR_REQ_MODE for main subvp pipes
718 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
719 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
720 		struct hubp *hubp = pipe->plane_res.hubp;
721 
722 		if (pipe->stream && hubp && hubp->funcs->hubp_prepare_subvp_buffering) {
723 			/* TODO - remove setting CURSOR_REQ_MODE to 0 for legacy cases
724 			 *      - need to investigate single pipe MPO + SubVP case to
725 			 *        see if CURSOR_REQ_MODE will be back to 1 for SubVP
726 			 *        when it should be 0 for MPO
727 			 */
728 			if (pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
729 				hubp->funcs->hubp_prepare_subvp_buffering(hubp, true);
730 			}
731 		}
732 	}
733 }
734 
735 static void dcn32_initialize_min_clocks(struct dc *dc)
736 {
737 	struct dc_clocks *clocks = &dc->current_state->bw_ctx.bw.dcn.clk;
738 
739 	clocks->dcfclk_deep_sleep_khz = DCN3_2_DCFCLK_DS_INIT_KHZ;
740 	clocks->dcfclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz * 1000;
741 	clocks->socclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].socclk_mhz * 1000;
742 	clocks->dramclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].memclk_mhz * 1000;
743 	clocks->dppclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dppclk_mhz * 1000;
744 	clocks->ref_dtbclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dtbclk_mhz * 1000;
745 	clocks->fclk_p_state_change_support = true;
746 	clocks->p_state_change_support = true;
747 	if (dc->debug.disable_boot_optimizations) {
748 		clocks->dispclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dispclk_mhz * 1000;
749 	} else {
750 		/* Even though DPG_EN = 1 for the connected display, it still requires the
751 		 * correct timing so we cannot set DISPCLK to min freq or it could cause
752 		 * audio corruption. Read current DISPCLK from DENTIST and request the same
753 		 * freq to ensure that the timing is valid and unchanged.
754 		 */
755 		clocks->dispclk_khz = dc->clk_mgr->funcs->get_dispclk_from_dentist(dc->clk_mgr);
756 	}
757 
758 	dc->clk_mgr->funcs->update_clocks(
759 			dc->clk_mgr,
760 			dc->current_state,
761 			true);
762 }
763 
764 void dcn32_init_hw(struct dc *dc)
765 {
766 	struct abm **abms = dc->res_pool->multiple_abms;
767 	struct dce_hwseq *hws = dc->hwseq;
768 	struct dc_bios *dcb = dc->ctx->dc_bios;
769 	struct resource_pool *res_pool = dc->res_pool;
770 	int i;
771 	int edp_num;
772 	uint32_t backlight = MAX_BACKLIGHT_LEVEL;
773 
774 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
775 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
776 
777 	// Initialize the dccg
778 	if (res_pool->dccg->funcs->dccg_init)
779 		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
780 
781 	if (!dcb->funcs->is_accelerated_mode(dcb)) {
782 		hws->funcs.bios_golden_init(dc);
783 		hws->funcs.disable_vga(dc->hwseq);
784 	}
785 
786 	// Set default OPTC memory power states
787 	if (dc->debug.enable_mem_low_power.bits.optc) {
788 		// Shutdown when unassigned and light sleep in VBLANK
789 		REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
790 	}
791 
792 	if (dc->debug.enable_mem_low_power.bits.vga) {
793 		// Power down VGA memory
794 		REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
795 	}
796 
797 	if (dc->ctx->dc_bios->fw_info_valid) {
798 		res_pool->ref_clocks.xtalin_clock_inKhz =
799 				dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
800 
801 		if (res_pool->dccg && res_pool->hubbub) {
802 			(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
803 					dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
804 					&res_pool->ref_clocks.dccg_ref_clock_inKhz);
805 
806 			(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
807 					res_pool->ref_clocks.dccg_ref_clock_inKhz,
808 					&res_pool->ref_clocks.dchub_ref_clock_inKhz);
809 		} else {
810 			// Not all ASICs have DCCG sw component
811 			res_pool->ref_clocks.dccg_ref_clock_inKhz =
812 					res_pool->ref_clocks.xtalin_clock_inKhz;
813 			res_pool->ref_clocks.dchub_ref_clock_inKhz =
814 					res_pool->ref_clocks.xtalin_clock_inKhz;
815 		}
816 	} else
817 		ASSERT_CRITICAL(false);
818 
819 	for (i = 0; i < dc->link_count; i++) {
820 		/* Power up AND update implementation according to the
821 		 * required signal (which may be different from the
822 		 * default signal on connector).
823 		 */
824 		struct dc_link *link = dc->links[i];
825 
826 		link->link_enc->funcs->hw_init(link->link_enc);
827 
828 		/* Check for enabled DIG to identify enabled display */
829 		if (link->link_enc->funcs->is_dig_enabled &&
830 			link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
831 			link->link_status.link_active = true;
832 			link->phy_state.symclk_state = SYMCLK_ON_TX_ON;
833 			if (link->link_enc->funcs->fec_is_active &&
834 					link->link_enc->funcs->fec_is_active(link->link_enc))
835 				link->fec_state = dc_link_fec_enabled;
836 		}
837 	}
838 
839 	/* enable_power_gating_plane before dsc_pg_control because
840 	 * FORCEON = 1 with hw default value on bootup, resume from s3
841 	 */
842 	if (hws->funcs.enable_power_gating_plane)
843 		hws->funcs.enable_power_gating_plane(dc->hwseq, true);
844 
845 	/* we want to turn off all dp displays before doing detection */
846 	dc->link_srv->blank_all_dp_displays(dc);
847 
848 	/* If taking control over from VBIOS, we may want to optimize our first
849 	 * mode set, so we need to skip powering down pipes until we know which
850 	 * pipes we want to use.
851 	 * Otherwise, if taking control is not possible, we need to power
852 	 * everything down.
853 	 */
854 	if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) {
855 		/* Disable boot optimizations means power down everything including PHY, DIG,
856 		 * and OTG (i.e. the boot is not optimized because we do a full power down).
857 		 */
858 		if (dc->hwss.enable_accelerated_mode && dc->debug.disable_boot_optimizations)
859 			dc->hwss.enable_accelerated_mode(dc, dc->current_state);
860 		else
861 			hws->funcs.init_pipes(dc, dc->current_state);
862 
863 		if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
864 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
865 					!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
866 
867 		dcn32_initialize_min_clocks(dc);
868 
869 		/* On HW init, allow idle optimizations after pipes have been turned off.
870 		 *
871 		 * In certain D3 cases (i.e. BOCO / BOMACO) it's possible that hardware state
872 		 * is reset (i.e. not in idle at the time hw init is called), but software state
873 		 * still has idle_optimizations = true, so we must disable idle optimizations first
874 		 * (i.e. set false), then re-enable (set true).
875 		 */
876 		dc_allow_idle_optimizations(dc, false);
877 		dc_allow_idle_optimizations(dc, true);
878 	}
879 
880 	/* In headless boot cases, DIG may be turned
881 	 * on which causes HW/SW discrepancies.
882 	 * To avoid this, power down hardware on boot
883 	 * if DIG is turned on and seamless boot not enabled
884 	 */
885 	if (!dc->config.seamless_boot_edp_requested) {
886 		struct dc_link *edp_links[MAX_NUM_EDP];
887 		struct dc_link *edp_link;
888 
889 		dc_get_edp_links(dc, edp_links, &edp_num);
890 		if (edp_num) {
891 			for (i = 0; i < edp_num; i++) {
892 				edp_link = edp_links[i];
893 				if (edp_link->link_enc->funcs->is_dig_enabled &&
894 						edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
895 						dc->hwss.edp_backlight_control &&
896 						dc->hwss.power_down &&
897 						dc->hwss.edp_power_control) {
898 					dc->hwss.edp_backlight_control(edp_link, false);
899 					dc->hwss.power_down(dc);
900 					dc->hwss.edp_power_control(edp_link, false);
901 				}
902 			}
903 		} else {
904 			for (i = 0; i < dc->link_count; i++) {
905 				struct dc_link *link = dc->links[i];
906 
907 				if (link->link_enc->funcs->is_dig_enabled &&
908 						link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
909 						dc->hwss.power_down) {
910 					dc->hwss.power_down(dc);
911 					break;
912 				}
913 
914 			}
915 		}
916 	}
917 
918 	for (i = 0; i < res_pool->audio_count; i++) {
919 		struct audio *audio = res_pool->audios[i];
920 
921 		audio->funcs->hw_init(audio);
922 	}
923 
924 	for (i = 0; i < dc->link_count; i++) {
925 		struct dc_link *link = dc->links[i];
926 
927 		if (link->panel_cntl)
928 			backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
929 	}
930 
931 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
932 		if (abms[i] != NULL && abms[i]->funcs != NULL)
933 			abms[i]->funcs->abm_init(abms[i], backlight);
934 	}
935 
936 	/* power AFMT HDMI memory TODO: may move to dis/en output save power*/
937 	REG_WRITE(DIO_MEM_PWR_CTRL, 0);
938 
939 	if (!dc->debug.disable_clock_gate) {
940 		/* enable all DCN clock gating */
941 		REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
942 
943 		REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
944 
945 		REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
946 	}
947 
948 	if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
949 		dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
950 
951 	if (dc->clk_mgr->funcs->notify_wm_ranges)
952 		dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
953 
954 	if (dc->clk_mgr->funcs->set_hard_max_memclk && !dc->clk_mgr->dc_mode_softmax_enabled)
955 		dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
956 
957 	if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
958 		dc->res_pool->hubbub->funcs->force_pstate_change_control(
959 				dc->res_pool->hubbub, false, false);
960 
961 	if (dc->res_pool->hubbub->funcs->init_crb)
962 		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
963 
964 	if (dc->res_pool->hubbub->funcs->set_request_limit && dc->config.sdpif_request_limit_words_per_umc > 0)
965 		dc->res_pool->hubbub->funcs->set_request_limit(dc->res_pool->hubbub, dc->ctx->dc_bios->vram_info.num_chans, dc->config.sdpif_request_limit_words_per_umc);
966 
967 	// Get DMCUB capabilities
968 	if (dc->ctx->dmub_srv) {
969 		dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv);
970 		dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr;
971 		dc->caps.dmub_caps.subvp_psr = dc->ctx->dmub_srv->dmub->feature_caps.subvp_psr_support;
972 		dc->caps.dmub_caps.gecc_enable = dc->ctx->dmub_srv->dmub->feature_caps.gecc_enable;
973 		dc->caps.dmub_caps.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch;
974 	}
975 }
976 
977 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
978 		int opp_cnt)
979 {
980 	bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
981 	int flow_ctrl_cnt;
982 
983 	if (opp_cnt >= 2)
984 		hblank_halved = true;
985 
986 	flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
987 			stream->timing.h_border_left -
988 			stream->timing.h_border_right;
989 
990 	if (hblank_halved)
991 		flow_ctrl_cnt /= 2;
992 
993 	/* ODM combine 4:1 case */
994 	if (opp_cnt == 4)
995 		flow_ctrl_cnt /= 2;
996 
997 	return flow_ctrl_cnt;
998 }
999 
1000 static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
1001 {
1002 	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
1003 	struct dc_stream_state *stream = pipe_ctx->stream;
1004 	struct pipe_ctx *odm_pipe;
1005 	int opp_cnt = 1;
1006 
1007 	ASSERT(dsc);
1008 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1009 		opp_cnt++;
1010 
1011 	if (enable) {
1012 		struct dsc_config dsc_cfg;
1013 		struct dsc_optc_config dsc_optc_cfg;
1014 		enum optc_dsc_mode optc_dsc_mode;
1015 
1016 		/* Enable DSC hw block */
1017 		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt;
1018 		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
1019 		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
1020 		dsc_cfg.color_depth = stream->timing.display_color_depth;
1021 		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
1022 		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
1023 		ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0);
1024 		dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
1025 
1026 		dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg);
1027 		dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst);
1028 		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1029 			struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc;
1030 
1031 			ASSERT(odm_dsc);
1032 			odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg);
1033 			odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst);
1034 		}
1035 		dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt;
1036 		dsc_cfg.pic_width *= opp_cnt;
1037 
1038 		optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED;
1039 
1040 		/* Enable DSC in OPTC */
1041 		DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst);
1042 		pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg,
1043 							optc_dsc_mode,
1044 							dsc_optc_cfg.bytes_per_pixel,
1045 							dsc_optc_cfg.slice_width);
1046 	} else {
1047 		/* disable DSC in OPTC */
1048 		pipe_ctx->stream_res.tg->funcs->set_dsc_config(
1049 				pipe_ctx->stream_res.tg,
1050 				OPTC_DSC_DISABLED, 0, 0);
1051 
1052 		/* disable DSC block */
1053 		dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc);
1054 		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1055 			ASSERT(odm_pipe->stream_res.dsc);
1056 			odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc);
1057 		}
1058 	}
1059 }
1060 
1061 /*
1062 * Given any pipe_ctx, return the total ODM combine factor, and optionally return
1063 * the OPPids which are used
1064 * */
1065 static unsigned int get_odm_config(struct pipe_ctx *pipe_ctx, unsigned int *opp_instances)
1066 {
1067 	unsigned int opp_count = 1;
1068 	struct pipe_ctx *odm_pipe;
1069 
1070 	/* First get to the top pipe */
1071 	for (odm_pipe = pipe_ctx; odm_pipe->prev_odm_pipe; odm_pipe = odm_pipe->prev_odm_pipe)
1072 		;
1073 
1074 	/* First pipe is always used */
1075 	if (opp_instances)
1076 		opp_instances[0] = odm_pipe->stream_res.opp->inst;
1077 
1078 	/* Find and count odm pipes, if any */
1079 	for (odm_pipe = odm_pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1080 		if (opp_instances)
1081 			opp_instances[opp_count] = odm_pipe->stream_res.opp->inst;
1082 		opp_count++;
1083 	}
1084 
1085 	return opp_count;
1086 }
1087 
1088 void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
1089 {
1090 	struct pipe_ctx *odm_pipe;
1091 	int opp_cnt = 0;
1092 	int opp_inst[MAX_PIPES] = {0};
1093 	bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing));
1094 	struct mpc_dwb_flow_control flow_control;
1095 	struct mpc *mpc = dc->res_pool->mpc;
1096 	int i;
1097 
1098 	opp_cnt = get_odm_config(pipe_ctx, opp_inst);
1099 
1100 	if (opp_cnt > 1)
1101 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
1102 				pipe_ctx->stream_res.tg,
1103 				opp_inst, opp_cnt,
1104 				&pipe_ctx->stream->timing);
1105 	else
1106 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
1107 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
1108 
1109 	rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
1110 	flow_control.flow_ctrl_mode = 0;
1111 	flow_control.flow_ctrl_cnt0 = 0x80;
1112 	flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt);
1113 	if (mpc->funcs->set_out_rate_control) {
1114 		for (i = 0; i < opp_cnt; ++i) {
1115 			mpc->funcs->set_out_rate_control(
1116 					mpc, opp_inst[i],
1117 					true,
1118 					rate_control_2x_pclk,
1119 					&flow_control);
1120 		}
1121 	}
1122 
1123 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1124 		odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
1125 				odm_pipe->stream_res.opp,
1126 				true);
1127 	}
1128 
1129 	if (pipe_ctx->stream_res.dsc) {
1130 		struct pipe_ctx *current_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx];
1131 
1132 		update_dsc_on_stream(pipe_ctx, pipe_ctx->stream->timing.flags.DSC);
1133 
1134 		/* Check if no longer using pipe for ODM, then need to disconnect DSC for that pipe */
1135 		if (!pipe_ctx->next_odm_pipe && current_pipe_ctx->next_odm_pipe &&
1136 				current_pipe_ctx->next_odm_pipe->stream_res.dsc) {
1137 			struct display_stream_compressor *dsc = current_pipe_ctx->next_odm_pipe->stream_res.dsc;
1138 			/* disconnect DSC block from stream */
1139 			dsc->funcs->dsc_disconnect(dsc);
1140 		}
1141 	}
1142 }
1143 
1144 unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div)
1145 {
1146 	struct dc_stream_state *stream = pipe_ctx->stream;
1147 	unsigned int odm_combine_factor = 0;
1148 	bool two_pix_per_container = false;
1149 
1150 	two_pix_per_container = optc2_is_two_pixels_per_containter(&stream->timing);
1151 	odm_combine_factor = get_odm_config(pipe_ctx, NULL);
1152 
1153 	if (stream->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
1154 		*k1_div = PIXEL_RATE_DIV_BY_1;
1155 		*k2_div = PIXEL_RATE_DIV_BY_1;
1156 	} else if (dc_is_hdmi_tmds_signal(stream->signal) || dc_is_dvi_signal(stream->signal)) {
1157 		*k1_div = PIXEL_RATE_DIV_BY_1;
1158 		if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
1159 			*k2_div = PIXEL_RATE_DIV_BY_2;
1160 		else
1161 			*k2_div = PIXEL_RATE_DIV_BY_4;
1162 	} else if (dc_is_dp_signal(stream->signal) || dc_is_virtual_signal(stream->signal)) {
1163 		if (two_pix_per_container) {
1164 			*k1_div = PIXEL_RATE_DIV_BY_1;
1165 			*k2_div = PIXEL_RATE_DIV_BY_2;
1166 		} else {
1167 			*k1_div = PIXEL_RATE_DIV_BY_1;
1168 			*k2_div = PIXEL_RATE_DIV_BY_4;
1169 			if ((odm_combine_factor == 2) || dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx))
1170 				*k2_div = PIXEL_RATE_DIV_BY_2;
1171 		}
1172 	}
1173 
1174 	if ((*k1_div == PIXEL_RATE_DIV_NA) && (*k2_div == PIXEL_RATE_DIV_NA))
1175 		ASSERT(false);
1176 
1177 	return odm_combine_factor;
1178 }
1179 
1180 void dcn32_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx)
1181 {
1182 	uint32_t pix_per_cycle = 1;
1183 	uint32_t odm_combine_factor = 1;
1184 
1185 	if (!pipe_ctx || !pipe_ctx->stream || !pipe_ctx->stream_res.stream_enc)
1186 		return;
1187 
1188 	odm_combine_factor = get_odm_config(pipe_ctx, NULL);
1189 	if (optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing) || odm_combine_factor > 1
1190 		|| dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx))
1191 		pix_per_cycle = 2;
1192 
1193 	if (pipe_ctx->stream_res.stream_enc->funcs->set_input_mode)
1194 		pipe_ctx->stream_res.stream_enc->funcs->set_input_mode(pipe_ctx->stream_res.stream_enc,
1195 				pix_per_cycle);
1196 }
1197 
1198 void dcn32_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context)
1199 {
1200 	unsigned int i;
1201 	struct pipe_ctx *pipe = NULL;
1202 	bool otg_disabled[MAX_PIPES] = {false};
1203 
1204 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1205 		pipe = &dc->current_state->res_ctx.pipe_ctx[i];
1206 
1207 		if (!resource_is_pipe_type(pipe, OTG_MASTER))
1208 			continue;
1209 
1210 		if ((pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal))
1211 			&& pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1212 			pipe->stream_res.tg->funcs->disable_crtc(pipe->stream_res.tg);
1213 			reset_sync_context_for_pipe(dc, context, i);
1214 			otg_disabled[i] = true;
1215 		}
1216 	}
1217 
1218 	hws->ctx->dc->res_pool->dccg->funcs->trigger_dio_fifo_resync(hws->ctx->dc->res_pool->dccg);
1219 
1220 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1221 		pipe = &dc->current_state->res_ctx.pipe_ctx[i];
1222 
1223 		if (otg_disabled[i])
1224 			pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
1225 	}
1226 }
1227 
1228 void dcn32_unblank_stream(struct pipe_ctx *pipe_ctx,
1229 		struct dc_link_settings *link_settings)
1230 {
1231 	struct encoder_unblank_param params = {0};
1232 	struct dc_stream_state *stream = pipe_ctx->stream;
1233 	struct dc_link *link = stream->link;
1234 	struct dce_hwseq *hws = link->dc->hwseq;
1235 	struct pipe_ctx *odm_pipe;
1236 	uint32_t pix_per_cycle = 1;
1237 
1238 	params.opp_cnt = 1;
1239 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1240 		params.opp_cnt++;
1241 
1242 	/* only 3 items below are used by unblank */
1243 	params.timing = pipe_ctx->stream->timing;
1244 
1245 	params.link_settings.link_rate = link_settings->link_rate;
1246 
1247 	if (link->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
1248 		/* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
1249 		pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
1250 				pipe_ctx->stream_res.hpo_dp_stream_enc,
1251 				pipe_ctx->stream_res.tg->inst);
1252 	} else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
1253 		if (optc2_is_two_pixels_per_containter(&stream->timing) || params.opp_cnt > 1
1254 			|| dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx)) {
1255 			params.timing.pix_clk_100hz /= 2;
1256 			pix_per_cycle = 2;
1257 		}
1258 		pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
1259 				pipe_ctx->stream_res.stream_enc, pix_per_cycle > 1);
1260 		pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
1261 	}
1262 
1263 	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP)
1264 		hws->funcs.edp_backlight_control(link, true);
1265 }
1266 
1267 bool dcn32_is_dp_dig_pixel_rate_div_policy(struct pipe_ctx *pipe_ctx)
1268 {
1269 	struct dc *dc = pipe_ctx->stream->ctx->dc;
1270 
1271 	if (!is_h_timing_divisible_by_2(pipe_ctx->stream))
1272 		return false;
1273 
1274 	if (dc_is_dp_signal(pipe_ctx->stream->signal) && !dc->link_srv->dp_is_128b_132b_signal(pipe_ctx) &&
1275 		dc->debug.enable_dp_dig_pixel_rate_div_policy)
1276 		return true;
1277 	return false;
1278 }
1279 
1280 static void apply_symclk_on_tx_off_wa(struct dc_link *link)
1281 {
1282 	/* There are use cases where SYMCLK is referenced by OTG. For instance
1283 	 * for TMDS signal, OTG relies SYMCLK even if TX video output is off.
1284 	 * However current link interface will power off PHY when disabling link
1285 	 * output. This will turn off SYMCLK generated by PHY. The workaround is
1286 	 * to identify such case where SYMCLK is still in use by OTG when we
1287 	 * power off PHY. When this is detected, we will temporarily power PHY
1288 	 * back on and move PHY's SYMCLK state to SYMCLK_ON_TX_OFF by calling
1289 	 * program_pix_clk interface. When OTG is disabled, we will then power
1290 	 * off PHY by calling disable link output again.
1291 	 *
1292 	 * In future dcn generations, we plan to rework transmitter control
1293 	 * interface so that we could have an option to set SYMCLK ON TX OFF
1294 	 * state in one step without this workaround
1295 	 */
1296 
1297 	struct dc *dc = link->ctx->dc;
1298 	struct pipe_ctx *pipe_ctx = NULL;
1299 	uint8_t i;
1300 
1301 	if (link->phy_state.symclk_ref_cnts.otg > 0) {
1302 		for (i = 0; i < MAX_PIPES; i++) {
1303 			pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
1304 			if (resource_is_pipe_type(pipe_ctx, OPP_HEAD) && pipe_ctx->stream->link == link) {
1305 				pipe_ctx->clock_source->funcs->program_pix_clk(
1306 						pipe_ctx->clock_source,
1307 						&pipe_ctx->stream_res.pix_clk_params,
1308 						dc->link_srv->dp_get_encoding_format(
1309 								&pipe_ctx->link_config.dp_link_settings),
1310 						&pipe_ctx->pll_settings);
1311 				link->phy_state.symclk_state = SYMCLK_ON_TX_OFF;
1312 				break;
1313 			}
1314 		}
1315 	}
1316 }
1317 
1318 void dcn32_disable_link_output(struct dc_link *link,
1319 		const struct link_resource *link_res,
1320 		enum signal_type signal)
1321 {
1322 	struct dc *dc = link->ctx->dc;
1323 	const struct link_hwss *link_hwss = get_link_hwss(link, link_res);
1324 	struct dmcu *dmcu = dc->res_pool->dmcu;
1325 
1326 	if (signal == SIGNAL_TYPE_EDP &&
1327 			link->dc->hwss.edp_backlight_control)
1328 		link->dc->hwss.edp_backlight_control(link, false);
1329 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
1330 		dmcu->funcs->lock_phy(dmcu);
1331 
1332 	link_hwss->disable_link_output(link, link_res, signal);
1333 	link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
1334 
1335 	if (signal == SIGNAL_TYPE_EDP &&
1336 			link->dc->hwss.edp_backlight_control)
1337 		link->dc->hwss.edp_power_control(link, false);
1338 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
1339 		dmcu->funcs->unlock_phy(dmcu);
1340 
1341 	dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
1342 
1343 	apply_symclk_on_tx_off_wa(link);
1344 }
1345 
1346 /* For SubVP the main pipe can have a viewport position change
1347  * without a full update. In this case we must also update the
1348  * viewport positions for the phantom pipe accordingly.
1349  */
1350 void dcn32_update_phantom_vp_position(struct dc *dc,
1351 		struct dc_state *context,
1352 		struct pipe_ctx *phantom_pipe)
1353 {
1354 	uint32_t i;
1355 	struct dc_plane_state *phantom_plane = phantom_pipe->plane_state;
1356 
1357 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1358 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1359 
1360 		if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_MAIN &&
1361 				pipe->stream->mall_stream_config.paired_stream == phantom_pipe->stream) {
1362 			if (pipe->plane_state && pipe->plane_state->update_flags.bits.position_change) {
1363 
1364 				phantom_plane->src_rect.x = pipe->plane_state->src_rect.x;
1365 				phantom_plane->src_rect.y = pipe->plane_state->src_rect.y;
1366 				phantom_plane->clip_rect.x = pipe->plane_state->clip_rect.x;
1367 				phantom_plane->dst_rect.x = pipe->plane_state->dst_rect.x;
1368 				phantom_plane->dst_rect.y = pipe->plane_state->dst_rect.y;
1369 
1370 				phantom_pipe->plane_state->update_flags.bits.position_change = 1;
1371 				resource_build_scaling_params(phantom_pipe);
1372 				return;
1373 			}
1374 		}
1375 	}
1376 }
1377 
1378 /* Treat the phantom pipe as if it needs to be fully enabled.
1379  * If the pipe was previously in use but not phantom, it would
1380  * have been disabled earlier in the sequence so we need to run
1381  * the full enable sequence.
1382  */
1383 void dcn32_apply_update_flags_for_phantom(struct pipe_ctx *phantom_pipe)
1384 {
1385 	phantom_pipe->update_flags.raw = 0;
1386 	if (phantom_pipe->stream && phantom_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
1387 		if (resource_is_pipe_type(phantom_pipe, DPP_PIPE)) {
1388 			phantom_pipe->update_flags.bits.enable = 1;
1389 			phantom_pipe->update_flags.bits.mpcc = 1;
1390 			phantom_pipe->update_flags.bits.dppclk = 1;
1391 			phantom_pipe->update_flags.bits.hubp_interdependent = 1;
1392 			phantom_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1393 			phantom_pipe->update_flags.bits.gamut_remap = 1;
1394 			phantom_pipe->update_flags.bits.scaler = 1;
1395 			phantom_pipe->update_flags.bits.viewport = 1;
1396 			phantom_pipe->update_flags.bits.det_size = 1;
1397 			if (resource_is_pipe_type(phantom_pipe, OTG_MASTER)) {
1398 				phantom_pipe->update_flags.bits.odm = 1;
1399 				phantom_pipe->update_flags.bits.global_sync = 1;
1400 			}
1401 		}
1402 	}
1403 }
1404 
1405 bool dcn32_dsc_pg_status(
1406 		struct dce_hwseq *hws,
1407 		unsigned int dsc_inst)
1408 {
1409 	uint32_t pwr_status = 0;
1410 
1411 	switch (dsc_inst) {
1412 	case 0: /* DSC0 */
1413 		REG_GET(DOMAIN16_PG_STATUS,
1414 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1415 		break;
1416 	case 1: /* DSC1 */
1417 
1418 		REG_GET(DOMAIN17_PG_STATUS,
1419 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1420 		break;
1421 	case 2: /* DSC2 */
1422 		REG_GET(DOMAIN18_PG_STATUS,
1423 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1424 		break;
1425 	case 3: /* DSC3 */
1426 		REG_GET(DOMAIN19_PG_STATUS,
1427 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1428 		break;
1429 	default:
1430 		BREAK_TO_DEBUGGER();
1431 		break;
1432 	}
1433 
1434 	return pwr_status == 0;
1435 }
1436 
1437 void dcn32_update_dsc_pg(struct dc *dc,
1438 		struct dc_state *context,
1439 		bool safe_to_disable)
1440 {
1441 	struct dce_hwseq *hws = dc->hwseq;
1442 	int i;
1443 
1444 	for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
1445 		struct display_stream_compressor *dsc = dc->res_pool->dscs[i];
1446 		bool is_dsc_ungated = hws->funcs.dsc_pg_status(hws, dsc->inst);
1447 
1448 		if (context->res_ctx.is_dsc_acquired[i]) {
1449 			if (!is_dsc_ungated) {
1450 				hws->funcs.dsc_pg_control(hws, dsc->inst, true);
1451 			}
1452 		} else if (safe_to_disable) {
1453 			if (is_dsc_ungated) {
1454 				hws->funcs.dsc_pg_control(hws, dsc->inst, false);
1455 			}
1456 		}
1457 	}
1458 }
1459 
1460 void dcn32_enable_phantom_streams(struct dc *dc, struct dc_state *context)
1461 {
1462 	unsigned int i;
1463 
1464 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1465 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1466 		struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
1467 
1468 		/* If an active, non-phantom pipe is being transitioned into a phantom
1469 		 * pipe, wait for the double buffer update to complete first before we do
1470 		 * ANY phantom pipe programming.
1471 		 */
1472 		if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM &&
1473 				old_pipe->stream && old_pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1474 			old_pipe->stream_res.tg->funcs->wait_for_state(
1475 					old_pipe->stream_res.tg,
1476 					CRTC_STATE_VBLANK);
1477 			old_pipe->stream_res.tg->funcs->wait_for_state(
1478 					old_pipe->stream_res.tg,
1479 					CRTC_STATE_VACTIVE);
1480 		}
1481 	}
1482 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1483 		struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i];
1484 
1485 		if (new_pipe->stream && new_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
1486 			// If old context or new context has phantom pipes, apply
1487 			// the phantom timings now. We can't change the phantom
1488 			// pipe configuration safely without driver acquiring
1489 			// the DMCUB lock first.
1490 			dc->hwss.apply_ctx_to_hw(dc, context);
1491 			break;
1492 		}
1493 	}
1494 }
1495 
1496 /* Blank pixel data during initialization */
1497 void dcn32_init_blank(
1498 		struct dc *dc,
1499 		struct timing_generator *tg)
1500 {
1501 	struct dce_hwseq *hws = dc->hwseq;
1502 	enum dc_color_space color_space;
1503 	struct tg_color black_color = {0};
1504 	struct output_pixel_processor *opp = NULL;
1505 	struct output_pixel_processor *bottom_opp = NULL;
1506 	uint32_t num_opps, opp_id_src0, opp_id_src1;
1507 	uint32_t otg_active_width, otg_active_height;
1508 	uint32_t i;
1509 
1510 	/* program opp dpg blank color */
1511 	color_space = COLOR_SPACE_SRGB;
1512 	color_space_to_black_color(dc, color_space, &black_color);
1513 
1514 	/* get the OTG active size */
1515 	tg->funcs->get_otg_active_size(tg,
1516 			&otg_active_width,
1517 			&otg_active_height);
1518 
1519 	/* get the OPTC source */
1520 	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
1521 
1522 	if (opp_id_src0 >= dc->res_pool->res_cap->num_opp) {
1523 		ASSERT(false);
1524 		return;
1525 	}
1526 
1527 	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
1528 		if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src0) {
1529 			opp = dc->res_pool->opps[i];
1530 			break;
1531 		}
1532 	}
1533 
1534 	if (num_opps == 2) {
1535 		otg_active_width = otg_active_width / 2;
1536 
1537 		if (opp_id_src1 >= dc->res_pool->res_cap->num_opp) {
1538 			ASSERT(false);
1539 			return;
1540 		}
1541 		for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
1542 			if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src1) {
1543 				bottom_opp = dc->res_pool->opps[i];
1544 				break;
1545 			}
1546 		}
1547 	}
1548 
1549 	if (opp && opp->funcs->opp_set_disp_pattern_generator)
1550 		opp->funcs->opp_set_disp_pattern_generator(
1551 				opp,
1552 				CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
1553 				CONTROLLER_DP_COLOR_SPACE_UDEFINED,
1554 				COLOR_DEPTH_UNDEFINED,
1555 				&black_color,
1556 				otg_active_width,
1557 				otg_active_height,
1558 				0);
1559 
1560 	if (num_opps == 2) {
1561 		if (bottom_opp && bottom_opp->funcs->opp_set_disp_pattern_generator) {
1562 			bottom_opp->funcs->opp_set_disp_pattern_generator(
1563 					bottom_opp,
1564 					CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
1565 					CONTROLLER_DP_COLOR_SPACE_UDEFINED,
1566 					COLOR_DEPTH_UNDEFINED,
1567 					&black_color,
1568 					otg_active_width,
1569 					otg_active_height,
1570 					0);
1571 			hws->funcs.wait_for_blank_complete(bottom_opp);
1572 		}
1573 	}
1574 
1575 	if (opp)
1576 		hws->funcs.wait_for_blank_complete(opp);
1577 }
1578 
1579 void dcn32_blank_phantom(struct dc *dc,
1580 		struct timing_generator *tg,
1581 		int width,
1582 		int height)
1583 {
1584 	struct dce_hwseq *hws = dc->hwseq;
1585 	enum dc_color_space color_space;
1586 	struct tg_color black_color = {0};
1587 	struct output_pixel_processor *opp = NULL;
1588 	uint32_t num_opps, opp_id_src0, opp_id_src1;
1589 	uint32_t otg_active_width, otg_active_height;
1590 	uint32_t i;
1591 
1592 	/* program opp dpg blank color */
1593 	color_space = COLOR_SPACE_SRGB;
1594 	color_space_to_black_color(dc, color_space, &black_color);
1595 
1596 	otg_active_width = width;
1597 	otg_active_height = height;
1598 
1599 	/* get the OPTC source */
1600 	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
1601 	ASSERT(opp_id_src0 < dc->res_pool->res_cap->num_opp);
1602 
1603 	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
1604 		if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src0) {
1605 			opp = dc->res_pool->opps[i];
1606 			break;
1607 		}
1608 	}
1609 
1610 	if (opp && opp->funcs->opp_set_disp_pattern_generator)
1611 		opp->funcs->opp_set_disp_pattern_generator(
1612 				opp,
1613 				CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
1614 				CONTROLLER_DP_COLOR_SPACE_UDEFINED,
1615 				COLOR_DEPTH_UNDEFINED,
1616 				&black_color,
1617 				otg_active_width,
1618 				otg_active_height,
1619 				0);
1620 
1621 	if (tg->funcs->is_tg_enabled(tg))
1622 		hws->funcs.wait_for_blank_complete(opp);
1623 }
1624 
1625 bool dcn32_is_pipe_topology_transition_seamless(struct dc *dc,
1626 		const struct dc_state *cur_ctx,
1627 		const struct dc_state *new_ctx)
1628 {
1629 	int i;
1630 	const struct pipe_ctx *cur_pipe, *new_pipe;
1631 	bool is_seamless = true;
1632 
1633 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1634 		cur_pipe = &cur_ctx->res_ctx.pipe_ctx[i];
1635 		new_pipe = &new_ctx->res_ctx.pipe_ctx[i];
1636 
1637 		if (resource_is_pipe_type(cur_pipe, FREE_PIPE) ||
1638 				resource_is_pipe_type(new_pipe, FREE_PIPE))
1639 			/* adding or removing free pipes is always seamless */
1640 			continue;
1641 		else if (resource_is_pipe_type(cur_pipe, OTG_MASTER)) {
1642 			if (resource_is_pipe_type(new_pipe, OTG_MASTER))
1643 				if (cur_pipe->stream->stream_id == new_pipe->stream->stream_id)
1644 				/* OTG master with the same stream is seamless */
1645 					continue;
1646 		} else if (resource_is_pipe_type(cur_pipe, OPP_HEAD)) {
1647 			if (resource_is_pipe_type(new_pipe, OPP_HEAD)) {
1648 				if (cur_pipe->stream_res.tg == new_pipe->stream_res.tg)
1649 					/*
1650 					 * OPP heads sharing the same timing
1651 					 * generator is seamless
1652 					 */
1653 					continue;
1654 			}
1655 		} else if (resource_is_pipe_type(cur_pipe, DPP_PIPE)) {
1656 			if (resource_is_pipe_type(new_pipe, DPP_PIPE)) {
1657 				if (cur_pipe->stream_res.opp == new_pipe->stream_res.opp)
1658 					/*
1659 					 * DPP pipes sharing the same OPP head is
1660 					 * seamless
1661 					 */
1662 					continue;
1663 			}
1664 		}
1665 
1666 		/*
1667 		 * This pipe's transition doesn't fall under any seamless
1668 		 * conditions
1669 		 */
1670 		is_seamless = false;
1671 		break;
1672 	}
1673 
1674 	return is_seamless;
1675 }
1676