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