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 "dmub_subvp_state.h"
51 #include "dce/dmub_hw_lock_mgr.h"
52 #include "dcn32_resource.h"
53 #include "link.h"
54 #include "dmub/inc/dmub_subvp_state.h"
55 
56 #define DC_LOGGER_INIT(logger)
57 
58 #define CTX \
59 	hws->ctx
60 #define REG(reg)\
61 	hws->regs->reg
62 #define DC_LOGGER \
63 		dc->ctx->logger
64 
65 
66 #undef FN
67 #define FN(reg_name, field_name) \
68 	hws->shifts->field_name, hws->masks->field_name
69 
70 void dcn32_dsc_pg_control(
71 		struct dce_hwseq *hws,
72 		unsigned int dsc_inst,
73 		bool power_on)
74 {
75 	uint32_t power_gate = power_on ? 0 : 1;
76 	uint32_t pwr_status = power_on ? 0 : 2;
77 	uint32_t org_ip_request_cntl = 0;
78 
79 	if (hws->ctx->dc->debug.disable_dsc_power_gate)
80 		return;
81 
82 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
83 	if (org_ip_request_cntl == 0)
84 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
85 
86 	switch (dsc_inst) {
87 	case 0: /* DSC0 */
88 		REG_UPDATE(DOMAIN16_PG_CONFIG,
89 				DOMAIN_POWER_GATE, power_gate);
90 
91 		REG_WAIT(DOMAIN16_PG_STATUS,
92 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
93 				1, 1000);
94 		break;
95 	case 1: /* DSC1 */
96 		REG_UPDATE(DOMAIN17_PG_CONFIG,
97 				DOMAIN_POWER_GATE, power_gate);
98 
99 		REG_WAIT(DOMAIN17_PG_STATUS,
100 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
101 				1, 1000);
102 		break;
103 	case 2: /* DSC2 */
104 		REG_UPDATE(DOMAIN18_PG_CONFIG,
105 				DOMAIN_POWER_GATE, power_gate);
106 
107 		REG_WAIT(DOMAIN18_PG_STATUS,
108 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
109 				1, 1000);
110 		break;
111 	case 3: /* DSC3 */
112 		REG_UPDATE(DOMAIN19_PG_CONFIG,
113 				DOMAIN_POWER_GATE, power_gate);
114 
115 		REG_WAIT(DOMAIN19_PG_STATUS,
116 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
117 				1, 1000);
118 		break;
119 	default:
120 		BREAK_TO_DEBUGGER();
121 		break;
122 	}
123 
124 	if (org_ip_request_cntl == 0)
125 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
126 }
127 
128 
129 void dcn32_enable_power_gating_plane(
130 	struct dce_hwseq *hws,
131 	bool enable)
132 {
133 	bool force_on = true; /* disable power gating */
134 
135 	if (enable)
136 		force_on = false;
137 
138 	/* DCHUBP0/1/2/3 */
139 	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
140 	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
141 	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
142 	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
143 
144 	/* DCS0/1/2/3 */
145 	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
146 	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
147 	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
148 	REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
149 }
150 
151 void dcn32_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
152 {
153 	uint32_t power_gate = power_on ? 0 : 1;
154 	uint32_t pwr_status = power_on ? 0 : 2;
155 
156 	if (hws->ctx->dc->debug.disable_hubp_power_gate)
157 		return;
158 
159 	if (REG(DOMAIN0_PG_CONFIG) == 0)
160 		return;
161 
162 	switch (hubp_inst) {
163 	case 0:
164 		REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
165 		REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
166 		break;
167 	case 1:
168 		REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
169 		REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
170 		break;
171 	case 2:
172 		REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
173 		REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
174 		break;
175 	case 3:
176 		REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
177 		REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
178 		break;
179 	default:
180 		BREAK_TO_DEBUGGER();
181 		break;
182 	}
183 }
184 
185 static bool dcn32_check_no_memory_request_for_cab(struct dc *dc)
186 {
187 	int i;
188 
189     /* First, check no-memory-request case */
190 	for (i = 0; i < dc->current_state->stream_count; i++) {
191 		if ((dc->current_state->stream_status[i].plane_count) &&
192 			(dc->current_state->streams[i]->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED))
193 			/* Fail eligibility on a visible stream */
194 			break;
195 	}
196 
197 	if (i == dc->current_state->stream_count)
198 		return true;
199 
200 	return false;
201 }
202 
203 
204 /* This function loops through every surface that needs to be cached in CAB for SS,
205  * and calculates the total number of ways required to store all surfaces (primary,
206  * meta, cursor).
207  */
208 static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *ctx)
209 {
210 	int i;
211 	uint8_t num_ways = 0;
212 	uint32_t mall_ss_size_bytes = 0;
213 
214 	mall_ss_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_size_bytes;
215 	// TODO add additional logic for PSR active stream exclusion optimization
216 	// mall_ss_psr_active_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes;
217 
218 	// Include cursor size for CAB allocation
219 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
220 		struct pipe_ctx *pipe = &ctx->res_ctx.pipe_ctx[i];
221 
222 		if (!pipe->stream || !pipe->plane_state)
223 			continue;
224 
225 		mall_ss_size_bytes += dcn32_helper_calculate_mall_bytes_for_cursor(dc, pipe, false);
226 	}
227 
228 	// Convert number of cache lines required to number of ways
229 	if (dc->debug.force_mall_ss_num_ways > 0) {
230 		num_ways = dc->debug.force_mall_ss_num_ways;
231 	} else {
232 		num_ways = dcn32_helper_mall_bytes_to_ways(dc, mall_ss_size_bytes);
233 	}
234 
235 	return num_ways;
236 }
237 
238 bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
239 {
240 	union dmub_rb_cmd cmd;
241 	uint8_t ways, i;
242 	int j;
243 	bool mall_ss_unsupported = false;
244 	struct dc_plane_state *plane = NULL;
245 
246 	if (!dc->ctx->dmub_srv)
247 		return false;
248 
249 	for (i = 0; i < dc->current_state->stream_count; i++) {
250 		/* MALL SS messaging is not supported with PSR at this time */
251 		if (dc->current_state->streams[i] != NULL &&
252 				dc->current_state->streams[i]->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED)
253 			return false;
254 	}
255 
256 	if (enable) {
257 		if (dc->current_state) {
258 
259 			/* 1. Check no memory request case for CAB.
260 			 * If no memory request case, send CAB_ACTION NO_DF_REQ DMUB message
261 			 */
262 			if (dcn32_check_no_memory_request_for_cab(dc)) {
263 				/* Enable no-memory-requests case */
264 				memset(&cmd, 0, sizeof(cmd));
265 				cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
266 				cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_DCN_REQ;
267 				cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header);
268 
269 				dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
270 				dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
271 
272 				return true;
273 			}
274 
275 			/* 2. Check if all surfaces can fit in CAB.
276 			 * If surfaces can fit into CAB, send CAB_ACTION_ALLOW DMUB message
277 			 * and configure HUBP's to fetch from MALL
278 			 */
279 			ways = dcn32_calculate_cab_allocation(dc, dc->current_state);
280 
281 			/* MALL not supported with Stereo3D or TMZ surface. If any plane is using stereo,
282 			 * or TMZ surface, don't try to enter MALL.
283 			 */
284 			for (i = 0; i < dc->current_state->stream_count; i++) {
285 				for (j = 0; j < dc->current_state->stream_status[i].plane_count; j++) {
286 					plane = dc->current_state->stream_status[i].plane_states[j];
287 
288 					if (plane->address.type == PLN_ADDR_TYPE_GRPH_STEREO ||
289 							plane->address.tmz_surface) {
290 						mall_ss_unsupported = true;
291 						break;
292 					}
293 				}
294 				if (mall_ss_unsupported)
295 					break;
296 			}
297 			if (ways <= dc->caps.cache_num_ways && !mall_ss_unsupported) {
298 				memset(&cmd, 0, sizeof(cmd));
299 				cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
300 				cmd.cab.header.sub_type = DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB;
301 				cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header);
302 				cmd.cab.cab_alloc_ways = ways;
303 
304 				dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
305 				dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
306 
307 				return true;
308 			}
309 
310 		}
311 		return false;
312 	}
313 
314 	/* Disable CAB */
315 	memset(&cmd, 0, sizeof(cmd));
316 	cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
317 	cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION;
318 	cmd.cab.header.payload_bytes =
319 			sizeof(cmd.cab) - sizeof(cmd.cab.header);
320 
321 	dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
322 	dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
323 	dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
324 
325 	return true;
326 }
327 
328 /* Send DMCUB message with SubVP pipe info
329  * - For each pipe in context, populate payload with required SubVP information
330  *   if the pipe is using SubVP for MCLK switch
331  * - This function must be called while the DMUB HW lock is acquired by driver
332  */
333 void dcn32_commit_subvp_config(struct dc *dc, struct dc_state *context)
334 {
335 	int i;
336 	bool enable_subvp = false;
337 
338 	if (!dc->ctx || !dc->ctx->dmub_srv)
339 		return;
340 
341 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
342 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
343 
344 		if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.paired_stream &&
345 				pipe_ctx->stream->mall_stream_config.type == SUBVP_MAIN) {
346 			// There is at least 1 SubVP pipe, so enable SubVP
347 			enable_subvp = true;
348 			break;
349 		}
350 	}
351 	dc_dmub_setup_subvp_dmub_command(dc, context, enable_subvp);
352 }
353 
354 /* Sub-Viewport DMUB lock needs to be acquired by driver whenever SubVP is active and:
355  * 1. Any full update for any SubVP main pipe
356  * 2. Any immediate flip for any SubVP pipe
357  * 3. Any flip for DRR pipe
358  * 4. If SubVP was previously in use (i.e. in old context)
359  */
360 void dcn32_subvp_pipe_control_lock(struct dc *dc,
361 		struct dc_state *context,
362 		bool lock,
363 		bool should_lock_all_pipes,
364 		struct pipe_ctx *top_pipe_to_program,
365 		bool subvp_prev_use)
366 {
367 	unsigned int i = 0;
368 	bool subvp_immediate_flip = false;
369 	bool subvp_in_use = false;
370 	struct pipe_ctx *pipe;
371 
372 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
373 		pipe = &context->res_ctx.pipe_ctx[i];
374 
375 		if (pipe->stream && pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
376 			subvp_in_use = true;
377 			break;
378 		}
379 	}
380 
381 	if (top_pipe_to_program && top_pipe_to_program->stream && top_pipe_to_program->plane_state) {
382 		if (top_pipe_to_program->stream->mall_stream_config.type == SUBVP_MAIN &&
383 				top_pipe_to_program->plane_state->flip_immediate)
384 			subvp_immediate_flip = true;
385 	}
386 
387 	// Don't need to lock for DRR VSYNC flips -- FW will wait for DRR pending update cleared.
388 	if ((subvp_in_use && (should_lock_all_pipes || subvp_immediate_flip)) || (!subvp_in_use && subvp_prev_use)) {
389 		union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 };
390 
391 		if (!lock) {
392 			for (i = 0; i < dc->res_pool->pipe_count; i++) {
393 				pipe = &context->res_ctx.pipe_ctx[i];
394 				if (pipe->stream && pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_MAIN &&
395 						should_lock_all_pipes)
396 					pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VBLANK);
397 			}
398 		}
399 
400 		hw_lock_cmd.bits.command_code = DMUB_INBOX0_CMD__HW_LOCK;
401 		hw_lock_cmd.bits.hw_lock_client = HW_LOCK_CLIENT_DRIVER;
402 		hw_lock_cmd.bits.lock = lock;
403 		hw_lock_cmd.bits.should_release = !lock;
404 		dmub_hw_lock_mgr_inbox0_cmd(dc->ctx->dmub_srv, hw_lock_cmd);
405 	}
406 }
407 
408 
409 static bool dcn32_set_mpc_shaper_3dlut(
410 	struct pipe_ctx *pipe_ctx, const struct dc_stream_state *stream)
411 {
412 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
413 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
414 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
415 	bool result = false;
416 
417 	const struct pwl_params *shaper_lut = NULL;
418 	//get the shaper lut params
419 	if (stream->func_shaper) {
420 		if (stream->func_shaper->type == TF_TYPE_HWPWL)
421 			shaper_lut = &stream->func_shaper->pwl;
422 		else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) {
423 			cm_helper_translate_curve_to_hw_format(
424 					stream->func_shaper,
425 					&dpp_base->shaper_params, true);
426 			shaper_lut = &dpp_base->shaper_params;
427 		}
428 	}
429 
430 	if (stream->lut3d_func &&
431 		stream->lut3d_func->state.bits.initialized == 1) {
432 
433 		result = mpc->funcs->program_3dlut(mpc,
434 								&stream->lut3d_func->lut_3d,
435 								mpcc_id);
436 
437 		result = mpc->funcs->program_shaper(mpc,
438 								shaper_lut,
439 								mpcc_id);
440 	}
441 
442 	return result;
443 }
444 
445 bool dcn32_set_mcm_luts(
446 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
447 {
448 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
449 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
450 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
451 	bool result = true;
452 	struct pwl_params *lut_params = NULL;
453 
454 	// 1D LUT
455 	if (plane_state->blend_tf) {
456 		if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
457 			lut_params = &plane_state->blend_tf->pwl;
458 		else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
459 			cm_helper_translate_curve_to_hw_format(
460 					plane_state->blend_tf,
461 					&dpp_base->regamma_params, false);
462 			lut_params = &dpp_base->regamma_params;
463 		}
464 	}
465 	result = mpc->funcs->program_1dlut(mpc, lut_params, mpcc_id);
466 
467 	// Shaper
468 	if (plane_state->in_shaper_func) {
469 		if (plane_state->in_shaper_func->type == TF_TYPE_HWPWL)
470 			lut_params = &plane_state->in_shaper_func->pwl;
471 		else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) {
472 			// TODO: dpp_base replace
473 			ASSERT(false);
474 			cm_helper_translate_curve_to_hw_format(
475 					plane_state->in_shaper_func,
476 					&dpp_base->shaper_params, true);
477 			lut_params = &dpp_base->shaper_params;
478 		}
479 	}
480 
481 	result = mpc->funcs->program_shaper(mpc, lut_params, mpcc_id);
482 
483 	// 3D
484 	if (plane_state->lut3d_func && plane_state->lut3d_func->state.bits.initialized == 1)
485 		result = mpc->funcs->program_3dlut(mpc, &plane_state->lut3d_func->lut_3d, mpcc_id);
486 	else
487 		result = mpc->funcs->program_3dlut(mpc, NULL, mpcc_id);
488 
489 	return result;
490 }
491 
492 bool dcn32_set_input_transfer_func(struct dc *dc,
493 				struct pipe_ctx *pipe_ctx,
494 				const struct dc_plane_state *plane_state)
495 {
496 	struct dce_hwseq *hws = dc->hwseq;
497 	struct mpc *mpc = dc->res_pool->mpc;
498 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
499 
500 	enum dc_transfer_func_predefined tf;
501 	bool result = true;
502 	struct pwl_params *params = NULL;
503 
504 	if (mpc == NULL || plane_state == NULL)
505 		return false;
506 
507 	tf = TRANSFER_FUNCTION_UNITY;
508 
509 	if (plane_state->in_transfer_func &&
510 		plane_state->in_transfer_func->type == TF_TYPE_PREDEFINED)
511 		tf = plane_state->in_transfer_func->tf;
512 
513 	dpp_base->funcs->dpp_set_pre_degam(dpp_base, tf);
514 
515 	if (plane_state->in_transfer_func) {
516 		if (plane_state->in_transfer_func->type == TF_TYPE_HWPWL)
517 			params = &plane_state->in_transfer_func->pwl;
518 		else if (plane_state->in_transfer_func->type == TF_TYPE_DISTRIBUTED_POINTS &&
519 			cm3_helper_translate_curve_to_hw_format(plane_state->in_transfer_func,
520 					&dpp_base->degamma_params, false))
521 			params = &dpp_base->degamma_params;
522 	}
523 
524 	dpp_base->funcs->dpp_program_gamcor_lut(dpp_base, params);
525 
526 	if (pipe_ctx->stream_res.opp &&
527 			pipe_ctx->stream_res.opp->ctx &&
528 			hws->funcs.set_mcm_luts)
529 		result = hws->funcs.set_mcm_luts(pipe_ctx, plane_state);
530 
531 	return result;
532 }
533 
534 bool dcn32_set_output_transfer_func(struct dc *dc,
535 				struct pipe_ctx *pipe_ctx,
536 				const struct dc_stream_state *stream)
537 {
538 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
539 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
540 	struct pwl_params *params = NULL;
541 	bool ret = false;
542 
543 	/* program OGAM or 3DLUT only for the top pipe*/
544 	if (pipe_ctx->top_pipe == NULL) {
545 		/*program shaper and 3dlut in MPC*/
546 		ret = dcn32_set_mpc_shaper_3dlut(pipe_ctx, stream);
547 		if (ret == false && mpc->funcs->set_output_gamma && stream->out_transfer_func) {
548 			if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
549 				params = &stream->out_transfer_func->pwl;
550 			else if (pipe_ctx->stream->out_transfer_func->type ==
551 					TF_TYPE_DISTRIBUTED_POINTS &&
552 					cm3_helper_translate_curve_to_hw_format(
553 					stream->out_transfer_func,
554 					&mpc->blender_params, false))
555 				params = &mpc->blender_params;
556 			/* there are no ROM LUTs in OUTGAM */
557 			if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
558 				BREAK_TO_DEBUGGER();
559 		}
560 	}
561 
562 	mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
563 	return ret;
564 }
565 
566 /* Program P-State force value according to if pipe is using SubVP or not:
567  * 1. Reset P-State force on all pipes first
568  * 2. For each main pipe, force P-State disallow (P-State allow moderated by DMUB)
569  */
570 void dcn32_subvp_update_force_pstate(struct dc *dc, struct dc_state *context)
571 {
572 	int i;
573 	int num_subvp = 0;
574 	/* Unforce p-state for each pipe
575 	 */
576 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
577 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
578 		struct hubp *hubp = pipe->plane_res.hubp;
579 
580 		if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
581 			hubp->funcs->hubp_update_force_pstate_disallow(hubp, false);
582 		if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_MAIN)
583 			num_subvp++;
584 	}
585 
586 	if (num_subvp == 0)
587 		return;
588 
589 	/* Loop through each pipe -- for each subvp main pipe force p-state allow equal to false.
590 	 */
591 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
592 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
593 
594 		if (pipe->stream && pipe->plane_state && (pipe->stream->mall_stream_config.type == SUBVP_MAIN)) {
595 			struct hubp *hubp = pipe->plane_res.hubp;
596 
597 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
598 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, true);
599 		}
600 	}
601 }
602 
603 /* Update MALL_SEL register based on if pipe / plane
604  * is a phantom pipe, main pipe, and if using MALL
605  * for SS.
606  */
607 void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context)
608 {
609 	int i;
610 	unsigned int num_ways = dcn32_calculate_cab_allocation(dc, context);
611 	bool cache_cursor = false;
612 
613 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
614 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
615 		struct hubp *hubp = pipe->plane_res.hubp;
616 
617 		if (pipe->stream && pipe->plane_state && hubp && hubp->funcs->hubp_update_mall_sel) {
618 			int cursor_size = hubp->curs_attr.pitch * hubp->curs_attr.height;
619 
620 			switch (hubp->curs_attr.color_format) {
621 			case CURSOR_MODE_MONO:
622 				cursor_size /= 2;
623 				break;
624 			case CURSOR_MODE_COLOR_1BIT_AND:
625 			case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
626 			case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
627 				cursor_size *= 4;
628 				break;
629 
630 			case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED:
631 			case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED:
632 			default:
633 				cursor_size *= 8;
634 				break;
635 			}
636 
637 			if (cursor_size > 16384)
638 				cache_cursor = true;
639 
640 			if (pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
641 					hubp->funcs->hubp_update_mall_sel(hubp, 1, false);
642 			} else {
643 				// MALL not supported with Stereo3D
644 				hubp->funcs->hubp_update_mall_sel(hubp,
645 					num_ways <= dc->caps.cache_num_ways &&
646 					pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED &&
647 					pipe->plane_state->address.type !=  PLN_ADDR_TYPE_GRPH_STEREO &&
648 					!pipe->plane_state->address.tmz_surface ? 2 : 0,
649 							cache_cursor);
650 			}
651 		}
652 	}
653 }
654 
655 /* Program the sub-viewport pipe configuration after the main / phantom pipes
656  * have been programmed in hardware.
657  * 1. Update force P-State for all the main pipes (disallow P-state)
658  * 2. Update MALL_SEL register
659  * 3. Program FORCE_ONE_ROW_FOR_FRAME for main subvp pipes
660  */
661 void dcn32_program_mall_pipe_config(struct dc *dc, struct dc_state *context)
662 {
663 	int i;
664 	struct dce_hwseq *hws = dc->hwseq;
665 
666 	// Don't force p-state disallow -- can't block dummy p-state
667 
668 	// Update MALL_SEL register for each pipe
669 	if (hws && hws->funcs.update_mall_sel)
670 		hws->funcs.update_mall_sel(dc, context);
671 
672 	//update subvp force pstate
673 	if (hws && hws->funcs.subvp_update_force_pstate)
674 		dc->hwseq->funcs.subvp_update_force_pstate(dc, context);
675 
676 	// Program FORCE_ONE_ROW_FOR_FRAME and CURSOR_REQ_MODE for main subvp pipes
677 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
678 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
679 		struct hubp *hubp = pipe->plane_res.hubp;
680 
681 		if (pipe->stream && hubp && hubp->funcs->hubp_prepare_subvp_buffering) {
682 			/* TODO - remove setting CURSOR_REQ_MODE to 0 for legacy cases
683 			 *      - need to investigate single pipe MPO + SubVP case to
684 			 *        see if CURSOR_REQ_MODE will be back to 1 for SubVP
685 			 *        when it should be 0 for MPO
686 			 */
687 			if (pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
688 				hubp->funcs->hubp_prepare_subvp_buffering(hubp, true);
689 			}
690 		}
691 	}
692 }
693 
694 static void dcn32_initialize_min_clocks(struct dc *dc)
695 {
696 	struct dc_clocks *clocks = &dc->current_state->bw_ctx.bw.dcn.clk;
697 
698 	clocks->dcfclk_deep_sleep_khz = DCN3_2_DCFCLK_DS_INIT_KHZ;
699 	clocks->dcfclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz * 1000;
700 	clocks->socclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].socclk_mhz * 1000;
701 	clocks->dramclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].memclk_mhz * 1000;
702 	clocks->dppclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dppclk_mhz * 1000;
703 	clocks->dispclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dispclk_mhz * 1000;
704 	clocks->ref_dtbclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dtbclk_mhz * 1000;
705 	clocks->fclk_p_state_change_support = true;
706 	clocks->p_state_change_support = true;
707 
708 	dc->clk_mgr->funcs->update_clocks(
709 			dc->clk_mgr,
710 			dc->current_state,
711 			true);
712 }
713 
714 void dcn32_init_hw(struct dc *dc)
715 {
716 	struct abm **abms = dc->res_pool->multiple_abms;
717 	struct dce_hwseq *hws = dc->hwseq;
718 	struct dc_bios *dcb = dc->ctx->dc_bios;
719 	struct resource_pool *res_pool = dc->res_pool;
720 	int i;
721 	int edp_num;
722 	uint32_t backlight = MAX_BACKLIGHT_LEVEL;
723 
724 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
725 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
726 
727 	// Initialize the dccg
728 	if (res_pool->dccg->funcs->dccg_init)
729 		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
730 
731 	if (!dcb->funcs->is_accelerated_mode(dcb)) {
732 		hws->funcs.bios_golden_init(dc);
733 		hws->funcs.disable_vga(dc->hwseq);
734 	}
735 
736 	// Set default OPTC memory power states
737 	if (dc->debug.enable_mem_low_power.bits.optc) {
738 		// Shutdown when unassigned and light sleep in VBLANK
739 		REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
740 	}
741 
742 	if (dc->debug.enable_mem_low_power.bits.vga) {
743 		// Power down VGA memory
744 		REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
745 	}
746 
747 	if (dc->ctx->dc_bios->fw_info_valid) {
748 		res_pool->ref_clocks.xtalin_clock_inKhz =
749 				dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
750 
751 		if (res_pool->dccg && res_pool->hubbub) {
752 			(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
753 					dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
754 					&res_pool->ref_clocks.dccg_ref_clock_inKhz);
755 
756 			(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
757 					res_pool->ref_clocks.dccg_ref_clock_inKhz,
758 					&res_pool->ref_clocks.dchub_ref_clock_inKhz);
759 		} else {
760 			// Not all ASICs have DCCG sw component
761 			res_pool->ref_clocks.dccg_ref_clock_inKhz =
762 					res_pool->ref_clocks.xtalin_clock_inKhz;
763 			res_pool->ref_clocks.dchub_ref_clock_inKhz =
764 					res_pool->ref_clocks.xtalin_clock_inKhz;
765 		}
766 	} else
767 		ASSERT_CRITICAL(false);
768 
769 	for (i = 0; i < dc->link_count; i++) {
770 		/* Power up AND update implementation according to the
771 		 * required signal (which may be different from the
772 		 * default signal on connector).
773 		 */
774 		struct dc_link *link = dc->links[i];
775 
776 		link->link_enc->funcs->hw_init(link->link_enc);
777 
778 		/* Check for enabled DIG to identify enabled display */
779 		if (link->link_enc->funcs->is_dig_enabled &&
780 			link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
781 			link->link_status.link_active = true;
782 			link->phy_state.symclk_state = SYMCLK_ON_TX_ON;
783 			if (link->link_enc->funcs->fec_is_active &&
784 					link->link_enc->funcs->fec_is_active(link->link_enc))
785 				link->fec_state = dc_link_fec_enabled;
786 		}
787 	}
788 
789 	/* Power gate DSCs */
790 	for (i = 0; i < res_pool->res_cap->num_dsc; i++)
791 		if (hws->funcs.dsc_pg_control != NULL)
792 			hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false);
793 
794 	/* we want to turn off all dp displays before doing detection */
795 	link_blank_all_dp_displays(dc);
796 
797 	/* If taking control over from VBIOS, we may want to optimize our first
798 	 * mode set, so we need to skip powering down pipes until we know which
799 	 * pipes we want to use.
800 	 * Otherwise, if taking control is not possible, we need to power
801 	 * everything down.
802 	 */
803 	if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) {
804 		hws->funcs.init_pipes(dc, dc->current_state);
805 		if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
806 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
807 					!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
808 
809 		dcn32_initialize_min_clocks(dc);
810 
811 		/* On HW init, allow idle optimizations after pipes have been turned off.
812 		 *
813 		 * In certain D3 cases (i.e. BOCO / BOMACO) it's possible that hardware state
814 		 * is reset (i.e. not in idle at the time hw init is called), but software state
815 		 * still has idle_optimizations = true, so we must disable idle optimizations first
816 		 * (i.e. set false), then re-enable (set true).
817 		 */
818 		dc_allow_idle_optimizations(dc, false);
819 		dc_allow_idle_optimizations(dc, true);
820 	}
821 
822 	/* In headless boot cases, DIG may be turned
823 	 * on which causes HW/SW discrepancies.
824 	 * To avoid this, power down hardware on boot
825 	 * if DIG is turned on and seamless boot not enabled
826 	 */
827 	if (!dc->config.seamless_boot_edp_requested) {
828 		struct dc_link *edp_links[MAX_NUM_EDP];
829 		struct dc_link *edp_link;
830 
831 		get_edp_links(dc, edp_links, &edp_num);
832 		if (edp_num) {
833 			for (i = 0; i < edp_num; i++) {
834 				edp_link = edp_links[i];
835 				if (edp_link->link_enc->funcs->is_dig_enabled &&
836 						edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
837 						dc->hwss.edp_backlight_control &&
838 						dc->hwss.power_down &&
839 						dc->hwss.edp_power_control) {
840 					dc->hwss.edp_backlight_control(edp_link, false);
841 					dc->hwss.power_down(dc);
842 					dc->hwss.edp_power_control(edp_link, false);
843 				}
844 			}
845 		} else {
846 			for (i = 0; i < dc->link_count; i++) {
847 				struct dc_link *link = dc->links[i];
848 
849 				if (link->link_enc->funcs->is_dig_enabled &&
850 						link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
851 						dc->hwss.power_down) {
852 					dc->hwss.power_down(dc);
853 					break;
854 				}
855 
856 			}
857 		}
858 	}
859 
860 	for (i = 0; i < res_pool->audio_count; i++) {
861 		struct audio *audio = res_pool->audios[i];
862 
863 		audio->funcs->hw_init(audio);
864 	}
865 
866 	for (i = 0; i < dc->link_count; i++) {
867 		struct dc_link *link = dc->links[i];
868 
869 		if (link->panel_cntl)
870 			backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
871 	}
872 
873 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
874 		if (abms[i] != NULL && abms[i]->funcs != NULL)
875 			abms[i]->funcs->abm_init(abms[i], backlight);
876 	}
877 
878 	/* power AFMT HDMI memory TODO: may move to dis/en output save power*/
879 	REG_WRITE(DIO_MEM_PWR_CTRL, 0);
880 
881 	if (!dc->debug.disable_clock_gate) {
882 		/* enable all DCN clock gating */
883 		REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
884 
885 		REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
886 
887 		REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
888 	}
889 	if (hws->funcs.enable_power_gating_plane)
890 		hws->funcs.enable_power_gating_plane(dc->hwseq, true);
891 
892 	if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
893 		dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
894 
895 	if (dc->clk_mgr->funcs->notify_wm_ranges)
896 		dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
897 
898 	if (dc->clk_mgr->funcs->set_hard_max_memclk)
899 		dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
900 
901 	if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
902 		dc->res_pool->hubbub->funcs->force_pstate_change_control(
903 				dc->res_pool->hubbub, false, false);
904 
905 	if (dc->res_pool->hubbub->funcs->init_crb)
906 		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
907 
908 	if (dc->res_pool->hubbub->funcs->set_request_limit && dc->config.sdpif_request_limit_words_per_umc > 0)
909 		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);
910 
911 	// Get DMCUB capabilities
912 	if (dc->ctx->dmub_srv) {
913 		dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv->dmub);
914 		dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr;
915 	}
916 }
917 
918 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
919 		int opp_cnt)
920 {
921 	bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
922 	int flow_ctrl_cnt;
923 
924 	if (opp_cnt >= 2)
925 		hblank_halved = true;
926 
927 	flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
928 			stream->timing.h_border_left -
929 			stream->timing.h_border_right;
930 
931 	if (hblank_halved)
932 		flow_ctrl_cnt /= 2;
933 
934 	/* ODM combine 4:1 case */
935 	if (opp_cnt == 4)
936 		flow_ctrl_cnt /= 2;
937 
938 	return flow_ctrl_cnt;
939 }
940 
941 static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
942 {
943 	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
944 	struct dc_stream_state *stream = pipe_ctx->stream;
945 	struct pipe_ctx *odm_pipe;
946 	int opp_cnt = 1;
947 
948 	ASSERT(dsc);
949 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
950 		opp_cnt++;
951 
952 	if (enable) {
953 		struct dsc_config dsc_cfg;
954 		struct dsc_optc_config dsc_optc_cfg;
955 		enum optc_dsc_mode optc_dsc_mode;
956 
957 		/* Enable DSC hw block */
958 		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt;
959 		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
960 		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
961 		dsc_cfg.color_depth = stream->timing.display_color_depth;
962 		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
963 		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
964 		ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0);
965 		dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
966 
967 		dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg);
968 		dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst);
969 		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
970 			struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc;
971 
972 			ASSERT(odm_dsc);
973 			odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg);
974 			odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst);
975 		}
976 		dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt;
977 		dsc_cfg.pic_width *= opp_cnt;
978 
979 		optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED;
980 
981 		/* Enable DSC in OPTC */
982 		DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst);
983 		pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg,
984 							optc_dsc_mode,
985 							dsc_optc_cfg.bytes_per_pixel,
986 							dsc_optc_cfg.slice_width);
987 	} else {
988 		/* disable DSC in OPTC */
989 		pipe_ctx->stream_res.tg->funcs->set_dsc_config(
990 				pipe_ctx->stream_res.tg,
991 				OPTC_DSC_DISABLED, 0, 0);
992 
993 		/* disable DSC block */
994 		dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc);
995 		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
996 			ASSERT(odm_pipe->stream_res.dsc);
997 			odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc);
998 		}
999 	}
1000 }
1001 
1002 /*
1003 * Given any pipe_ctx, return the total ODM combine factor, and optionally return
1004 * the OPPids which are used
1005 * */
1006 static unsigned int get_odm_config(struct pipe_ctx *pipe_ctx, unsigned int *opp_instances)
1007 {
1008 	unsigned int opp_count = 1;
1009 	struct pipe_ctx *odm_pipe;
1010 
1011 	/* First get to the top pipe */
1012 	for (odm_pipe = pipe_ctx; odm_pipe->prev_odm_pipe; odm_pipe = odm_pipe->prev_odm_pipe)
1013 		;
1014 
1015 	/* First pipe is always used */
1016 	if (opp_instances)
1017 		opp_instances[0] = odm_pipe->stream_res.opp->inst;
1018 
1019 	/* Find and count odm pipes, if any */
1020 	for (odm_pipe = odm_pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1021 		if (opp_instances)
1022 			opp_instances[opp_count] = odm_pipe->stream_res.opp->inst;
1023 		opp_count++;
1024 	}
1025 
1026 	return opp_count;
1027 }
1028 
1029 void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
1030 {
1031 	struct pipe_ctx *odm_pipe;
1032 	int opp_cnt = 0;
1033 	int opp_inst[MAX_PIPES] = {0};
1034 	bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing));
1035 	struct mpc_dwb_flow_control flow_control;
1036 	struct mpc *mpc = dc->res_pool->mpc;
1037 	int i;
1038 
1039 	opp_cnt = get_odm_config(pipe_ctx, opp_inst);
1040 
1041 	if (opp_cnt > 1)
1042 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
1043 				pipe_ctx->stream_res.tg,
1044 				opp_inst, opp_cnt,
1045 				&pipe_ctx->stream->timing);
1046 	else
1047 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
1048 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
1049 
1050 	rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
1051 	flow_control.flow_ctrl_mode = 0;
1052 	flow_control.flow_ctrl_cnt0 = 0x80;
1053 	flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt);
1054 	if (mpc->funcs->set_out_rate_control) {
1055 		for (i = 0; i < opp_cnt; ++i) {
1056 			mpc->funcs->set_out_rate_control(
1057 					mpc, opp_inst[i],
1058 					true,
1059 					rate_control_2x_pclk,
1060 					&flow_control);
1061 		}
1062 	}
1063 
1064 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1065 		odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
1066 				odm_pipe->stream_res.opp,
1067 				true);
1068 	}
1069 
1070 	if (pipe_ctx->stream_res.dsc) {
1071 		struct pipe_ctx *current_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx];
1072 
1073 		update_dsc_on_stream(pipe_ctx, pipe_ctx->stream->timing.flags.DSC);
1074 
1075 		/* Check if no longer using pipe for ODM, then need to disconnect DSC for that pipe */
1076 		if (!pipe_ctx->next_odm_pipe && current_pipe_ctx->next_odm_pipe &&
1077 				current_pipe_ctx->next_odm_pipe->stream_res.dsc) {
1078 			struct display_stream_compressor *dsc = current_pipe_ctx->next_odm_pipe->stream_res.dsc;
1079 			/* disconnect DSC block from stream */
1080 			dsc->funcs->dsc_disconnect(dsc);
1081 		}
1082 	}
1083 }
1084 
1085 unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div)
1086 {
1087 	struct dc_stream_state *stream = pipe_ctx->stream;
1088 	unsigned int odm_combine_factor = 0;
1089 	bool two_pix_per_container = false;
1090 
1091 	// For phantom pipes, use the same programming as the main pipes
1092 	if (pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM) {
1093 		stream = pipe_ctx->stream->mall_stream_config.paired_stream;
1094 	}
1095 	two_pix_per_container = optc2_is_two_pixels_per_containter(&stream->timing);
1096 	odm_combine_factor = get_odm_config(pipe_ctx, NULL);
1097 
1098 	if (link_is_dp_128b_132b_signal(pipe_ctx)) {
1099 		*k1_div = PIXEL_RATE_DIV_BY_1;
1100 		*k2_div = PIXEL_RATE_DIV_BY_1;
1101 	} else if (dc_is_hdmi_tmds_signal(stream->signal) || dc_is_dvi_signal(stream->signal)) {
1102 		*k1_div = PIXEL_RATE_DIV_BY_1;
1103 		if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
1104 			*k2_div = PIXEL_RATE_DIV_BY_2;
1105 		else
1106 			*k2_div = PIXEL_RATE_DIV_BY_4;
1107 	} else if (dc_is_dp_signal(stream->signal)) {
1108 		if (two_pix_per_container) {
1109 			*k1_div = PIXEL_RATE_DIV_BY_1;
1110 			*k2_div = PIXEL_RATE_DIV_BY_2;
1111 		} else {
1112 			*k1_div = PIXEL_RATE_DIV_BY_1;
1113 			*k2_div = PIXEL_RATE_DIV_BY_4;
1114 			if ((odm_combine_factor == 2) || dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx))
1115 				*k2_div = PIXEL_RATE_DIV_BY_2;
1116 		}
1117 	}
1118 
1119 	if ((*k1_div == PIXEL_RATE_DIV_NA) && (*k2_div == PIXEL_RATE_DIV_NA))
1120 		ASSERT(false);
1121 
1122 	return odm_combine_factor;
1123 }
1124 
1125 void dcn32_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx)
1126 {
1127 	uint32_t pix_per_cycle = 1;
1128 	uint32_t odm_combine_factor = 1;
1129 
1130 	if (!pipe_ctx || !pipe_ctx->stream || !pipe_ctx->stream_res.stream_enc)
1131 		return;
1132 
1133 	odm_combine_factor = get_odm_config(pipe_ctx, NULL);
1134 	if (optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing) || odm_combine_factor > 1
1135 		|| dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx))
1136 		pix_per_cycle = 2;
1137 
1138 	if (pipe_ctx->stream_res.stream_enc->funcs->set_input_mode)
1139 		pipe_ctx->stream_res.stream_enc->funcs->set_input_mode(pipe_ctx->stream_res.stream_enc,
1140 				pix_per_cycle);
1141 }
1142 
1143 void dcn32_unblank_stream(struct pipe_ctx *pipe_ctx,
1144 		struct dc_link_settings *link_settings)
1145 {
1146 	struct encoder_unblank_param params = {0};
1147 	struct dc_stream_state *stream = pipe_ctx->stream;
1148 	struct dc_link *link = stream->link;
1149 	struct dce_hwseq *hws = link->dc->hwseq;
1150 	struct pipe_ctx *odm_pipe;
1151 	uint32_t pix_per_cycle = 1;
1152 
1153 	params.opp_cnt = 1;
1154 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1155 		params.opp_cnt++;
1156 
1157 	/* only 3 items below are used by unblank */
1158 	params.timing = pipe_ctx->stream->timing;
1159 
1160 	params.link_settings.link_rate = link_settings->link_rate;
1161 
1162 	if (link_is_dp_128b_132b_signal(pipe_ctx)) {
1163 		/* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
1164 		pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
1165 				pipe_ctx->stream_res.hpo_dp_stream_enc,
1166 				pipe_ctx->stream_res.tg->inst);
1167 	} else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
1168 		if (optc2_is_two_pixels_per_containter(&stream->timing) || params.opp_cnt > 1
1169 			|| dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx)) {
1170 			params.timing.pix_clk_100hz /= 2;
1171 			pix_per_cycle = 2;
1172 		}
1173 		pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
1174 				pipe_ctx->stream_res.stream_enc, pix_per_cycle > 1);
1175 		pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
1176 	}
1177 
1178 	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP)
1179 		hws->funcs.edp_backlight_control(link, true);
1180 }
1181 
1182 bool dcn32_is_dp_dig_pixel_rate_div_policy(struct pipe_ctx *pipe_ctx)
1183 {
1184 	struct dc *dc = pipe_ctx->stream->ctx->dc;
1185 
1186 	if (!is_h_timing_divisible_by_2(pipe_ctx->stream))
1187 		return false;
1188 
1189 	if (dc_is_dp_signal(pipe_ctx->stream->signal) && !link_is_dp_128b_132b_signal(pipe_ctx) &&
1190 		dc->debug.enable_dp_dig_pixel_rate_div_policy)
1191 		return true;
1192 	return false;
1193 }
1194 
1195 static void apply_symclk_on_tx_off_wa(struct dc_link *link)
1196 {
1197 	/* There are use cases where SYMCLK is referenced by OTG. For instance
1198 	 * for TMDS signal, OTG relies SYMCLK even if TX video output is off.
1199 	 * However current link interface will power off PHY when disabling link
1200 	 * output. This will turn off SYMCLK generated by PHY. The workaround is
1201 	 * to identify such case where SYMCLK is still in use by OTG when we
1202 	 * power off PHY. When this is detected, we will temporarily power PHY
1203 	 * back on and move PHY's SYMCLK state to SYMCLK_ON_TX_OFF by calling
1204 	 * program_pix_clk interface. When OTG is disabled, we will then power
1205 	 * off PHY by calling disable link output again.
1206 	 *
1207 	 * In future dcn generations, we plan to rework transmitter control
1208 	 * interface so that we could have an option to set SYMCLK ON TX OFF
1209 	 * state in one step without this workaround
1210 	 */
1211 
1212 	struct dc *dc = link->ctx->dc;
1213 	struct pipe_ctx *pipe_ctx = NULL;
1214 	uint8_t i;
1215 
1216 	if (link->phy_state.symclk_ref_cnts.otg > 0) {
1217 		for (i = 0; i < MAX_PIPES; i++) {
1218 			pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
1219 			if (pipe_ctx->stream && pipe_ctx->stream->link == link && pipe_ctx->top_pipe == NULL) {
1220 				pipe_ctx->clock_source->funcs->program_pix_clk(
1221 						pipe_ctx->clock_source,
1222 						&pipe_ctx->stream_res.pix_clk_params,
1223 						link_dp_get_encoding_format(&pipe_ctx->link_config.dp_link_settings),
1224 						&pipe_ctx->pll_settings);
1225 				link->phy_state.symclk_state = SYMCLK_ON_TX_OFF;
1226 				break;
1227 			}
1228 		}
1229 	}
1230 }
1231 
1232 void dcn32_disable_link_output(struct dc_link *link,
1233 		const struct link_resource *link_res,
1234 		enum signal_type signal)
1235 {
1236 	struct dc *dc = link->ctx->dc;
1237 	const struct link_hwss *link_hwss = get_link_hwss(link, link_res);
1238 	struct dmcu *dmcu = dc->res_pool->dmcu;
1239 
1240 	if (signal == SIGNAL_TYPE_EDP &&
1241 			link->dc->hwss.edp_backlight_control)
1242 		link->dc->hwss.edp_backlight_control(link, false);
1243 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
1244 		dmcu->funcs->lock_phy(dmcu);
1245 
1246 	link_hwss->disable_link_output(link, link_res, signal);
1247 	link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
1248 
1249 	if (signal == SIGNAL_TYPE_EDP &&
1250 			link->dc->hwss.edp_backlight_control)
1251 		link->dc->hwss.edp_power_control(link, false);
1252 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
1253 		dmcu->funcs->unlock_phy(dmcu);
1254 
1255 	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
1256 
1257 	apply_symclk_on_tx_off_wa(link);
1258 }
1259 
1260 /* For SubVP the main pipe can have a viewport position change
1261  * without a full update. In this case we must also update the
1262  * viewport positions for the phantom pipe accordingly.
1263  */
1264 void dcn32_update_phantom_vp_position(struct dc *dc,
1265 		struct dc_state *context,
1266 		struct pipe_ctx *phantom_pipe)
1267 {
1268 	uint32_t i;
1269 	struct dc_plane_state *phantom_plane = phantom_pipe->plane_state;
1270 
1271 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1272 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1273 
1274 		if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_MAIN &&
1275 				pipe->stream->mall_stream_config.paired_stream == phantom_pipe->stream) {
1276 			if (pipe->plane_state && pipe->plane_state->update_flags.bits.position_change) {
1277 
1278 				phantom_plane->src_rect.x = pipe->plane_state->src_rect.x;
1279 				phantom_plane->src_rect.y = pipe->plane_state->src_rect.y;
1280 				phantom_plane->clip_rect.x = pipe->plane_state->clip_rect.x;
1281 				phantom_plane->dst_rect.x = pipe->plane_state->dst_rect.x;
1282 				phantom_plane->dst_rect.y = pipe->plane_state->dst_rect.y;
1283 
1284 				phantom_pipe->plane_state->update_flags.bits.position_change = 1;
1285 				resource_build_scaling_params(phantom_pipe);
1286 				return;
1287 			}
1288 		}
1289 	}
1290 }
1291 
1292 /* Treat the phantom pipe as if it needs to be fully enabled.
1293  * If the pipe was previously in use but not phantom, it would
1294  * have been disabled earlier in the sequence so we need to run
1295  * the full enable sequence.
1296  */
1297 void dcn32_apply_update_flags_for_phantom(struct pipe_ctx *phantom_pipe)
1298 {
1299 	phantom_pipe->update_flags.raw = 0;
1300 	if (phantom_pipe->stream && phantom_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
1301 		if (phantom_pipe->stream && phantom_pipe->plane_state) {
1302 			phantom_pipe->update_flags.bits.enable = 1;
1303 			phantom_pipe->update_flags.bits.mpcc = 1;
1304 			phantom_pipe->update_flags.bits.dppclk = 1;
1305 			phantom_pipe->update_flags.bits.hubp_interdependent = 1;
1306 			phantom_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1307 			phantom_pipe->update_flags.bits.gamut_remap = 1;
1308 			phantom_pipe->update_flags.bits.scaler = 1;
1309 			phantom_pipe->update_flags.bits.viewport = 1;
1310 			phantom_pipe->update_flags.bits.det_size = 1;
1311 			if (!phantom_pipe->top_pipe && !phantom_pipe->prev_odm_pipe) {
1312 				phantom_pipe->update_flags.bits.odm = 1;
1313 				phantom_pipe->update_flags.bits.global_sync = 1;
1314 			}
1315 		}
1316 	}
1317 }
1318 
1319 bool dcn32_dsc_pg_status(
1320 		struct dce_hwseq *hws,
1321 		unsigned int dsc_inst)
1322 {
1323 	uint32_t pwr_status = 0;
1324 
1325 	switch (dsc_inst) {
1326 	case 0: /* DSC0 */
1327 		REG_GET(DOMAIN16_PG_STATUS,
1328 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1329 		break;
1330 	case 1: /* DSC1 */
1331 
1332 		REG_GET(DOMAIN17_PG_STATUS,
1333 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1334 		break;
1335 	case 2: /* DSC2 */
1336 		REG_GET(DOMAIN18_PG_STATUS,
1337 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1338 		break;
1339 	case 3: /* DSC3 */
1340 		REG_GET(DOMAIN19_PG_STATUS,
1341 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1342 		break;
1343 	default:
1344 		BREAK_TO_DEBUGGER();
1345 		break;
1346 	}
1347 
1348 	return pwr_status == 0;
1349 }
1350 
1351 void dcn32_update_dsc_pg(struct dc *dc,
1352 		struct dc_state *context,
1353 		bool safe_to_disable)
1354 {
1355 	struct dce_hwseq *hws = dc->hwseq;
1356 	int i;
1357 
1358 	for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
1359 		struct display_stream_compressor *dsc = dc->res_pool->dscs[i];
1360 		bool is_dsc_ungated = hws->funcs.dsc_pg_status(hws, dsc->inst);
1361 
1362 		if (context->res_ctx.is_dsc_acquired[i]) {
1363 			if (!is_dsc_ungated) {
1364 				hws->funcs.dsc_pg_control(hws, dsc->inst, true);
1365 			}
1366 		} else if (safe_to_disable) {
1367 			if (is_dsc_ungated) {
1368 				hws->funcs.dsc_pg_control(hws, dsc->inst, false);
1369 			}
1370 		}
1371 	}
1372 }
1373 
1374 void dcn32_enable_phantom_streams(struct dc *dc, struct dc_state *context)
1375 {
1376 	unsigned int i;
1377 
1378 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1379 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1380 		struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
1381 
1382 		/* If an active, non-phantom pipe is being transitioned into a phantom
1383 		 * pipe, wait for the double buffer update to complete first before we do
1384 		 * ANY phantom pipe programming.
1385 		 */
1386 		if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM &&
1387 				old_pipe->stream && old_pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1388 			old_pipe->stream_res.tg->funcs->wait_for_state(
1389 					old_pipe->stream_res.tg,
1390 					CRTC_STATE_VBLANK);
1391 			old_pipe->stream_res.tg->funcs->wait_for_state(
1392 					old_pipe->stream_res.tg,
1393 					CRTC_STATE_VACTIVE);
1394 		}
1395 	}
1396 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1397 		struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i];
1398 
1399 		if (new_pipe->stream && new_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
1400 			// If old context or new context has phantom pipes, apply
1401 			// the phantom timings now. We can't change the phantom
1402 			// pipe configuration safely without driver acquiring
1403 			// the DMCUB lock first.
1404 			dc->hwss.apply_ctx_to_hw(dc, context);
1405 			break;
1406 		}
1407 	}
1408 }
1409