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/dcn32_resource.h"
52 #include "link.h"
53 #include "../dcn20/dcn20_hwseq.h"
54 #include "dc_state_priv.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 #undef FN
66 #define FN(reg_name, field_name) \
67 	hws->shifts->field_name, hws->masks->field_name
68 
dcn32_dsc_pg_control(struct dce_hwseq * hws,unsigned int dsc_inst,bool power_on)69 void dcn32_dsc_pg_control(
70 		struct dce_hwseq *hws,
71 		unsigned int dsc_inst,
72 		bool power_on)
73 {
74 	uint32_t power_gate = power_on ? 0 : 1;
75 	uint32_t pwr_status = power_on ? 0 : 2;
76 	uint32_t org_ip_request_cntl = 0;
77 	struct dc *dc = hws->ctx->dc;
78 
79 	if (dc->debug.disable_dsc_power_gate)
80 		return;
81 
82 	if (!dc->debug.enable_double_buffered_dsc_pg_support)
83 		return;
84 
85 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
86 	if (org_ip_request_cntl == 0)
87 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
88 
89 	DC_LOG_DSC("%s DSC power gate for inst %d", power_gate ? "enable" : "disable", dsc_inst);
90 	switch (dsc_inst) {
91 	case 0: /* DSC0 */
92 		REG_UPDATE(DOMAIN16_PG_CONFIG,
93 				DOMAIN_POWER_GATE, power_gate);
94 
95 		REG_WAIT(DOMAIN16_PG_STATUS,
96 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
97 				1, 1000);
98 		break;
99 	case 1: /* DSC1 */
100 		REG_UPDATE(DOMAIN17_PG_CONFIG,
101 				DOMAIN_POWER_GATE, power_gate);
102 
103 		REG_WAIT(DOMAIN17_PG_STATUS,
104 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
105 				1, 1000);
106 		break;
107 	case 2: /* DSC2 */
108 		REG_UPDATE(DOMAIN18_PG_CONFIG,
109 				DOMAIN_POWER_GATE, power_gate);
110 
111 		REG_WAIT(DOMAIN18_PG_STATUS,
112 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
113 				1, 1000);
114 		break;
115 	case 3: /* DSC3 */
116 		REG_UPDATE(DOMAIN19_PG_CONFIG,
117 				DOMAIN_POWER_GATE, power_gate);
118 
119 		REG_WAIT(DOMAIN19_PG_STATUS,
120 				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
121 				1, 1000);
122 		break;
123 	default:
124 		BREAK_TO_DEBUGGER();
125 		break;
126 	}
127 
128 	if (org_ip_request_cntl == 0)
129 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
130 }
131 
132 
dcn32_enable_power_gating_plane(struct dce_hwseq * hws,bool enable)133 void dcn32_enable_power_gating_plane(
134 	struct dce_hwseq *hws,
135 	bool enable)
136 {
137 	bool force_on = true; /* disable power gating */
138 	uint32_t org_ip_request_cntl = 0;
139 
140 	if (enable)
141 		force_on = false;
142 
143 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
144 	if (org_ip_request_cntl == 0)
145 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
146 
147 	/* DCHUBP0/1/2/3 */
148 	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
149 	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
150 	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
151 	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
152 
153 	/* DCS0/1/2/3 */
154 	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
155 	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
156 	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
157 	REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
158 
159 	if (org_ip_request_cntl == 0)
160 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
161 }
162 
dcn32_hubp_pg_control(struct dce_hwseq * hws,unsigned int hubp_inst,bool power_on)163 void dcn32_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
164 {
165 	uint32_t power_gate = power_on ? 0 : 1;
166 	uint32_t pwr_status = power_on ? 0 : 2;
167 
168 	if (hws->ctx->dc->debug.disable_hubp_power_gate)
169 		return;
170 
171 	if (REG(DOMAIN0_PG_CONFIG) == 0)
172 		return;
173 
174 	switch (hubp_inst) {
175 	case 0:
176 		REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
177 		REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
178 		break;
179 	case 1:
180 		REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
181 		REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
182 		break;
183 	case 2:
184 		REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
185 		REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
186 		break;
187 	case 3:
188 		REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
189 		REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
190 		break;
191 	default:
192 		BREAK_TO_DEBUGGER();
193 		break;
194 	}
195 }
196 
dcn32_check_no_memory_request_for_cab(struct dc * dc)197 static bool dcn32_check_no_memory_request_for_cab(struct dc *dc)
198 {
199 	int i;
200 
201     /* First, check no-memory-request case */
202 	for (i = 0; i < dc->current_state->stream_count; i++) {
203 		if ((dc->current_state->stream_status[i].plane_count) &&
204 			(dc->current_state->streams[i]->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED))
205 			/* Fail eligibility on a visible stream */
206 			break;
207 	}
208 
209 	if (i == dc->current_state->stream_count)
210 		return true;
211 
212 	return false;
213 }
214 
215 
216 /* This function loops through every surface that needs to be cached in CAB for SS,
217  * and calculates the total number of ways required to store all surfaces (primary,
218  * meta, cursor).
219  */
dcn32_calculate_cab_allocation(struct dc * dc,struct dc_state * ctx)220 static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *ctx)
221 {
222 	int i;
223 	uint32_t num_ways = 0;
224 	uint32_t mall_ss_size_bytes = 0;
225 
226 	mall_ss_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_size_bytes;
227 	// TODO add additional logic for PSR active stream exclusion optimization
228 	// mall_ss_psr_active_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes;
229 
230 	// Include cursor size for CAB allocation
231 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
232 		struct pipe_ctx *pipe = &ctx->res_ctx.pipe_ctx[i];
233 
234 		if (!pipe->stream || !pipe->plane_state)
235 			continue;
236 
237 		mall_ss_size_bytes += dcn32_helper_calculate_mall_bytes_for_cursor(dc, pipe, false);
238 	}
239 
240 	// Convert number of cache lines required to number of ways
241 	if (dc->debug.force_mall_ss_num_ways > 0) {
242 		num_ways = dc->debug.force_mall_ss_num_ways;
243 	} else if (dc->res_pool->funcs->calculate_mall_ways_from_bytes) {
244 		num_ways = dc->res_pool->funcs->calculate_mall_ways_from_bytes(dc, mall_ss_size_bytes);
245 	} else {
246 		num_ways = 0;
247 	}
248 
249 	return num_ways;
250 }
251 
dcn32_apply_idle_power_optimizations(struct dc * dc,bool enable)252 bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
253 {
254 	union dmub_rb_cmd cmd;
255 	uint8_t i;
256 	uint32_t ways;
257 	int j;
258 	bool mall_ss_unsupported = false;
259 	struct dc_plane_state *plane = NULL;
260 
261 	if (!dc->ctx->dmub_srv)
262 		return false;
263 
264 	for (i = 0; i < dc->current_state->stream_count; i++) {
265 		/* MALL SS messaging is not supported with PSR at this time */
266 		if (dc->current_state->streams[i] != NULL &&
267 				dc->current_state->streams[i]->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED &&
268 				(dc->current_state->stream_count > 1 || (!dc->current_state->streams[i]->dpms_off &&
269 						dc->current_state->stream_status[i].plane_count > 0)))
270 			return false;
271 	}
272 
273 	if (enable) {
274 		/* 1. Check no memory request case for CAB.
275 		 * If no memory request case, send CAB_ACTION NO_DF_REQ DMUB message
276 		 */
277 		if (dcn32_check_no_memory_request_for_cab(dc)) {
278 			/* Enable no-memory-requests case */
279 			memset(&cmd, 0, sizeof(cmd));
280 			cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
281 			cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_DCN_REQ;
282 			cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header);
283 
284 			dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT);
285 
286 			return true;
287 		}
288 
289 		/* 2. Check if all surfaces can fit in CAB.
290 		 * If surfaces can fit into CAB, send CAB_ACTION_ALLOW DMUB message
291 		 * and configure HUBP's to fetch from MALL
292 		 */
293 		ways = dcn32_calculate_cab_allocation(dc, dc->current_state);
294 
295 		/* MALL not supported with Stereo3D or TMZ surface. If any plane is using stereo,
296 		 * or TMZ surface, don't try to enter MALL.
297 		 */
298 		for (i = 0; i < dc->current_state->stream_count; i++) {
299 			for (j = 0; j < dc->current_state->stream_status[i].plane_count; j++) {
300 				plane = dc->current_state->stream_status[i].plane_states[j];
301 
302 				if (plane->address.type == PLN_ADDR_TYPE_GRPH_STEREO ||
303 						plane->address.tmz_surface) {
304 					mall_ss_unsupported = true;
305 					break;
306 				}
307 			}
308 			if (mall_ss_unsupported)
309 				break;
310 		}
311 		if (ways <= dc->caps.cache_num_ways && !mall_ss_unsupported) {
312 			memset(&cmd, 0, sizeof(cmd));
313 			cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
314 			cmd.cab.header.sub_type = DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB;
315 			cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header);
316 			cmd.cab.cab_alloc_ways = (uint8_t)ways;
317 
318 			dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT);
319 
320 			return true;
321 		}
322 
323 		return false;
324 	}
325 
326 	/* Disable CAB */
327 	memset(&cmd, 0, sizeof(cmd));
328 	cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
329 	cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION;
330 	cmd.cab.header.payload_bytes =
331 			sizeof(cmd.cab) - sizeof(cmd.cab.header);
332 
333 	dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
334 
335 	return true;
336 }
337 
338 /* Send DMCUB message with SubVP pipe info
339  * - For each pipe in context, populate payload with required SubVP information
340  *   if the pipe is using SubVP for MCLK switch
341  * - This function must be called while the DMUB HW lock is acquired by driver
342  */
dcn32_commit_subvp_config(struct dc * dc,struct dc_state * context)343 void dcn32_commit_subvp_config(struct dc *dc, struct dc_state *context)
344 {
345 	int i;
346 	bool enable_subvp = false;
347 
348 	if (!dc->ctx || !dc->ctx->dmub_srv)
349 		return;
350 
351 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
352 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
353 
354 		if (pipe_ctx->stream && dc_state_get_pipe_subvp_type(context, pipe_ctx) == SUBVP_MAIN) {
355 			// There is at least 1 SubVP pipe, so enable SubVP
356 			enable_subvp = true;
357 			break;
358 		}
359 	}
360 	dc_dmub_setup_subvp_dmub_command(dc, context, enable_subvp);
361 }
362 
363 /* Sub-Viewport DMUB lock needs to be acquired by driver whenever SubVP is active and:
364  * 1. Any full update for any SubVP main pipe
365  * 2. Any immediate flip for any SubVP pipe
366  * 3. Any flip for DRR pipe
367  * 4. If SubVP was previously in use (i.e. in old context)
368  */
dcn32_subvp_pipe_control_lock(struct dc * dc,struct dc_state * context,bool lock,bool should_lock_all_pipes,struct pipe_ctx * top_pipe_to_program,bool subvp_prev_use)369 void dcn32_subvp_pipe_control_lock(struct dc *dc,
370 		struct dc_state *context,
371 		bool lock,
372 		bool should_lock_all_pipes,
373 		struct pipe_ctx *top_pipe_to_program,
374 		bool subvp_prev_use)
375 {
376 	unsigned int i = 0;
377 	bool subvp_immediate_flip = false;
378 	bool subvp_in_use = false;
379 	struct pipe_ctx *pipe;
380 	enum mall_stream_type pipe_mall_type = SUBVP_NONE;
381 
382 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
383 		pipe = &context->res_ctx.pipe_ctx[i];
384 		pipe_mall_type = dc_state_get_pipe_subvp_type(context, pipe);
385 
386 		if (pipe->stream && pipe->plane_state && pipe_mall_type == SUBVP_MAIN) {
387 			subvp_in_use = true;
388 			break;
389 		}
390 	}
391 
392 	if (top_pipe_to_program && top_pipe_to_program->stream && top_pipe_to_program->plane_state) {
393 		if (dc_state_get_pipe_subvp_type(context, top_pipe_to_program) == SUBVP_MAIN &&
394 				top_pipe_to_program->plane_state->flip_immediate)
395 			subvp_immediate_flip = true;
396 	}
397 
398 	// Don't need to lock for DRR VSYNC flips -- FW will wait for DRR pending update cleared.
399 	if ((subvp_in_use && (should_lock_all_pipes || subvp_immediate_flip)) || (!subvp_in_use && subvp_prev_use)) {
400 		union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 };
401 
402 		if (!lock) {
403 			for (i = 0; i < dc->res_pool->pipe_count; i++) {
404 				pipe = &context->res_ctx.pipe_ctx[i];
405 				if (pipe->stream && pipe->plane_state && pipe_mall_type == SUBVP_MAIN &&
406 						should_lock_all_pipes)
407 					pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VBLANK);
408 			}
409 		}
410 
411 		hw_lock_cmd.bits.command_code = DMUB_INBOX0_CMD__HW_LOCK;
412 		hw_lock_cmd.bits.hw_lock_client = HW_LOCK_CLIENT_DRIVER;
413 		hw_lock_cmd.bits.lock = lock;
414 		hw_lock_cmd.bits.should_release = !lock;
415 		dmub_hw_lock_mgr_inbox0_cmd(dc->ctx->dmub_srv, hw_lock_cmd);
416 	}
417 }
418 
dcn32_subvp_pipe_control_lock_fast(union block_sequence_params * params)419 void dcn32_subvp_pipe_control_lock_fast(union block_sequence_params *params)
420 {
421 	struct dc *dc = params->subvp_pipe_control_lock_fast_params.dc;
422 	bool lock = params->subvp_pipe_control_lock_fast_params.lock;
423 	bool subvp_immediate_flip = params->subvp_pipe_control_lock_fast_params.subvp_immediate_flip;
424 
425 	// Don't need to lock for DRR VSYNC flips -- FW will wait for DRR pending update cleared.
426 	if (subvp_immediate_flip) {
427 		union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 };
428 
429 		hw_lock_cmd.bits.command_code = DMUB_INBOX0_CMD__HW_LOCK;
430 		hw_lock_cmd.bits.hw_lock_client = HW_LOCK_CLIENT_DRIVER;
431 		hw_lock_cmd.bits.lock = lock;
432 		hw_lock_cmd.bits.should_release = !lock;
433 		dmub_hw_lock_mgr_inbox0_cmd(dc->ctx->dmub_srv, hw_lock_cmd);
434 	}
435 }
436 
dcn32_set_mpc_shaper_3dlut(struct pipe_ctx * pipe_ctx,const struct dc_stream_state * stream)437 bool dcn32_set_mpc_shaper_3dlut(
438 	struct pipe_ctx *pipe_ctx, const struct dc_stream_state *stream)
439 {
440 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
441 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
442 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
443 	bool result = false;
444 
445 	const struct pwl_params *shaper_lut = NULL;
446 	//get the shaper lut params
447 	if (stream->func_shaper) {
448 		if (stream->func_shaper->type == TF_TYPE_HWPWL)
449 			shaper_lut = &stream->func_shaper->pwl;
450 		else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) {
451 			cm_helper_translate_curve_to_hw_format(stream->ctx,
452 					stream->func_shaper,
453 					&dpp_base->shaper_params, true);
454 			shaper_lut = &dpp_base->shaper_params;
455 		}
456 	}
457 
458 	if (stream->lut3d_func &&
459 		stream->lut3d_func->state.bits.initialized == 1) {
460 
461 		result = mpc->funcs->program_3dlut(mpc,
462 								&stream->lut3d_func->lut_3d,
463 								mpcc_id);
464 
465 		result = mpc->funcs->program_shaper(mpc,
466 								shaper_lut,
467 								mpcc_id);
468 	}
469 
470 	return result;
471 }
472 
dcn32_set_mcm_luts(struct pipe_ctx * pipe_ctx,const struct dc_plane_state * plane_state)473 bool dcn32_set_mcm_luts(
474 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
475 {
476 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
477 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
478 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
479 	bool result = true;
480 	const struct pwl_params *lut_params = NULL;
481 
482 	// 1D LUT
483 	if (plane_state->blend_tf.type == TF_TYPE_HWPWL)
484 		lut_params = &plane_state->blend_tf.pwl;
485 	else if (plane_state->blend_tf.type == TF_TYPE_DISTRIBUTED_POINTS) {
486 		result = cm3_helper_translate_curve_to_hw_format(&plane_state->blend_tf,
487 				&dpp_base->regamma_params, false);
488 		if (!result)
489 			return result;
490 
491 		lut_params = &dpp_base->regamma_params;
492 	}
493 	mpc->funcs->program_1dlut(mpc, lut_params, mpcc_id);
494 	lut_params = NULL;
495 
496 	// Shaper
497 	if (plane_state->in_shaper_func.type == TF_TYPE_HWPWL)
498 		lut_params = &plane_state->in_shaper_func.pwl;
499 	else if (plane_state->in_shaper_func.type == TF_TYPE_DISTRIBUTED_POINTS) {
500 		// TODO: dpp_base replace
501 		ASSERT(false);
502 		cm3_helper_translate_curve_to_hw_format(&plane_state->in_shaper_func,
503 				&dpp_base->shaper_params, true);
504 		lut_params = &dpp_base->shaper_params;
505 	}
506 
507 	mpc->funcs->program_shaper(mpc, lut_params, mpcc_id);
508 
509 	// 3D
510 	if (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 
dcn32_set_input_transfer_func(struct dc * dc,struct pipe_ctx * pipe_ctx,const struct dc_plane_state * plane_state)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 	const 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.type == TF_TYPE_PREDEFINED)
536 		tf = plane_state->in_transfer_func.tf;
537 
538 	dpp_base->funcs->dpp_set_pre_degam(dpp_base, tf);
539 
540 	if (plane_state->in_transfer_func.type == TF_TYPE_HWPWL)
541 		params = &plane_state->in_transfer_func.pwl;
542 	else if (plane_state->in_transfer_func.type == TF_TYPE_DISTRIBUTED_POINTS &&
543 		cm3_helper_translate_curve_to_hw_format(&plane_state->in_transfer_func,
544 				&dpp_base->degamma_params, false))
545 		params = &dpp_base->degamma_params;
546 
547 	dpp_base->funcs->dpp_program_gamcor_lut(dpp_base, params);
548 
549 	if (pipe_ctx->stream_res.opp &&
550 			pipe_ctx->stream_res.opp->ctx &&
551 			hws->funcs.set_mcm_luts)
552 		result = hws->funcs.set_mcm_luts(pipe_ctx, plane_state);
553 
554 	return result;
555 }
556 
dcn32_set_output_transfer_func(struct dc * dc,struct pipe_ctx * pipe_ctx,const struct dc_stream_state * stream)557 bool dcn32_set_output_transfer_func(struct dc *dc,
558 				struct pipe_ctx *pipe_ctx,
559 				const struct dc_stream_state *stream)
560 {
561 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
562 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
563 	const struct pwl_params *params = NULL;
564 	bool ret = false;
565 
566 	/* program OGAM or 3DLUT only for the top pipe*/
567 	if (resource_is_pipe_type(pipe_ctx, OPP_HEAD)) {
568 		/*program shaper and 3dlut in MPC*/
569 		ret = dcn32_set_mpc_shaper_3dlut(pipe_ctx, stream);
570 		if (ret == false && mpc->funcs->set_output_gamma) {
571 			if (stream->out_transfer_func.type == TF_TYPE_HWPWL)
572 				params = &stream->out_transfer_func.pwl;
573 			else if (pipe_ctx->stream->out_transfer_func.type ==
574 					TF_TYPE_DISTRIBUTED_POINTS &&
575 					cm3_helper_translate_curve_to_hw_format(
576 					&stream->out_transfer_func,
577 					&mpc->blender_params, false))
578 				params = &mpc->blender_params;
579 			/* there are no ROM LUTs in OUTGAM */
580 			if (stream->out_transfer_func.type == TF_TYPE_PREDEFINED)
581 				BREAK_TO_DEBUGGER();
582 		}
583 	}
584 
585 	if (mpc->funcs->set_output_gamma)
586 		mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
587 
588 	return ret;
589 }
590 
591 /* Program P-State force value according to if pipe is using SubVP / FPO or not:
592  * 1. Reset P-State force on all pipes first
593  * 2. For each main pipe, force P-State disallow (P-State allow moderated by DMUB)
594  */
dcn32_update_force_pstate(struct dc * dc,struct dc_state * context)595 void dcn32_update_force_pstate(struct dc *dc, struct dc_state *context)
596 {
597 	int i;
598 
599 	/* Unforce p-state for each pipe if it is not FPO or SubVP.
600 	 * For FPO and SubVP, if it's already forced disallow, leave
601 	 * it as disallow.
602 	 */
603 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
604 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
605 		struct hubp *hubp = pipe->plane_res.hubp;
606 		struct dc_stream_status *stream_status = NULL;
607 
608 		if (pipe->stream)
609 			stream_status = dc_state_get_stream_status(context, pipe->stream);
610 
611 		if (!pipe->stream || !(dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN ||
612 		    (stream_status && stream_status->fpo_in_use))) {
613 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
614 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, false);
615 			if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
616 				hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, false);
617 		}
618 	}
619 
620 	/* Loop through each pipe -- for each subvp main pipe force p-state allow equal to false.
621 	 */
622 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
623 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
624 		struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
625 		struct hubp *hubp = pipe->plane_res.hubp;
626 		struct dc_stream_status *stream_status = NULL;
627 		struct dc_stream_status *old_stream_status = NULL;
628 
629 		/* Today for MED update type we do not call update clocks. However, for FPO
630 		 * the assumption is that update clocks should be called to disable P-State
631 		 * switch before any HW programming since FPO in FW and driver are not
632 		 * synchronized. This causes an issue where on a MED update, an FPO P-State
633 		 * switch could be taking place, then driver forces P-State disallow in the below
634 		 * code and prevents FPO from completing the sequence. In this case we add a check
635 		 * to avoid re-programming (and thus re-setting) the P-State force register by
636 		 * only reprogramming if the pipe was not previously Subvp or FPO. The assumption
637 		 * is that the P-State force register should be programmed correctly the first
638 		 * time SubVP / FPO was enabled, so there's no need to update / reset it if the
639 		 * pipe config has never exited SubVP / FPO.
640 		 */
641 		if (pipe->stream)
642 			stream_status = dc_state_get_stream_status(context, pipe->stream);
643 		if (old_pipe->stream)
644 			old_stream_status = dc_state_get_stream_status(dc->current_state, old_pipe->stream);
645 
646 		if (pipe->stream && (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN ||
647 				(stream_status && stream_status->fpo_in_use)) &&
648 				(!old_pipe->stream || (dc_state_get_pipe_subvp_type(dc->current_state, old_pipe) != SUBVP_MAIN &&
649 				(old_stream_status && !old_stream_status->fpo_in_use)))) {
650 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
651 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, true);
652 			if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
653 				hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, true);
654 		}
655 	}
656 }
657 
658 /* Update MALL_SEL register based on if pipe / plane
659  * is a phantom pipe, main pipe, and if using MALL
660  * for SS.
661  */
dcn32_update_mall_sel(struct dc * dc,struct dc_state * context)662 void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context)
663 {
664 	int i;
665 	unsigned int num_ways = dcn32_calculate_cab_allocation(dc, context);
666 	bool cache_cursor = false;
667 
668 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
669 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
670 		struct hubp *hubp = pipe->plane_res.hubp;
671 
672 		if (pipe->stream && pipe->plane_state && hubp && hubp->funcs->hubp_update_mall_sel) {
673 			int cursor_size = hubp->curs_attr.pitch * hubp->curs_attr.height;
674 
675 			switch (hubp->curs_attr.color_format) {
676 			case CURSOR_MODE_MONO:
677 				cursor_size /= 2;
678 				break;
679 			case CURSOR_MODE_COLOR_1BIT_AND:
680 			case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
681 			case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
682 				cursor_size *= 4;
683 				break;
684 
685 			case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED:
686 			case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED:
687 			default:
688 				cursor_size *= 8;
689 				break;
690 			}
691 
692 			if (cursor_size > 16384)
693 				cache_cursor = true;
694 
695 			if (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_PHANTOM) {
696 				hubp->funcs->hubp_update_mall_sel(hubp, 1, false);
697 			} else {
698 				// MALL not supported with Stereo3D
699 				hubp->funcs->hubp_update_mall_sel(hubp,
700 					num_ways <= dc->caps.cache_num_ways &&
701 					pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED &&
702 					pipe->plane_state->address.type !=  PLN_ADDR_TYPE_GRPH_STEREO &&
703 					!pipe->plane_state->address.tmz_surface ? 2 : 0,
704 							cache_cursor);
705 			}
706 		}
707 	}
708 }
709 
710 /* Program the sub-viewport pipe configuration after the main / phantom pipes
711  * have been programmed in hardware.
712  * 1. Update force P-State for all the main pipes (disallow P-state)
713  * 2. Update MALL_SEL register
714  * 3. Program FORCE_ONE_ROW_FOR_FRAME for main subvp pipes
715  */
dcn32_program_mall_pipe_config(struct dc * dc,struct dc_state * context)716 void dcn32_program_mall_pipe_config(struct dc *dc, struct dc_state *context)
717 {
718 	int i;
719 	struct dce_hwseq *hws = dc->hwseq;
720 
721 	// Don't force p-state disallow -- can't block dummy p-state
722 
723 	// Update MALL_SEL register for each pipe
724 	if (hws && hws->funcs.update_mall_sel)
725 		hws->funcs.update_mall_sel(dc, context);
726 
727 	// Program FORCE_ONE_ROW_FOR_FRAME and CURSOR_REQ_MODE for main subvp pipes
728 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
729 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
730 		struct hubp *hubp = pipe->plane_res.hubp;
731 
732 		if (pipe->stream && hubp && hubp->funcs->hubp_prepare_subvp_buffering) {
733 			/* TODO - remove setting CURSOR_REQ_MODE to 0 for legacy cases
734 			 *      - need to investigate single pipe MPO + SubVP case to
735 			 *        see if CURSOR_REQ_MODE will be back to 1 for SubVP
736 			 *        when it should be 0 for MPO
737 			 */
738 			if (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN)
739 				hubp->funcs->hubp_prepare_subvp_buffering(hubp, true);
740 		}
741 	}
742 }
743 
dcn32_initialize_min_clocks(struct dc * dc)744 static void dcn32_initialize_min_clocks(struct dc *dc)
745 {
746 	struct dc_clocks *clocks = &dc->current_state->bw_ctx.bw.dcn.clk;
747 
748 	clocks->dcfclk_deep_sleep_khz = DCN3_2_DCFCLK_DS_INIT_KHZ;
749 	clocks->dcfclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz * 1000;
750 	clocks->socclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].socclk_mhz * 1000;
751 	clocks->dramclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].memclk_mhz * 1000;
752 	clocks->dppclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dppclk_mhz * 1000;
753 	clocks->ref_dtbclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dtbclk_mhz * 1000;
754 	clocks->fclk_p_state_change_support = true;
755 	clocks->p_state_change_support = true;
756 	if (dc->debug.disable_boot_optimizations) {
757 		clocks->dispclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dispclk_mhz * 1000;
758 	} else {
759 		/* Even though DPG_EN = 1 for the connected display, it still requires the
760 		 * correct timing so we cannot set DISPCLK to min freq or it could cause
761 		 * audio corruption. Read current DISPCLK from DENTIST and request the same
762 		 * freq to ensure that the timing is valid and unchanged.
763 		 */
764 		clocks->dispclk_khz = dc->clk_mgr->funcs->get_dispclk_from_dentist(dc->clk_mgr);
765 	}
766 
767 	dc->clk_mgr->funcs->update_clocks(
768 			dc->clk_mgr,
769 			dc->current_state,
770 			true);
771 }
772 
dcn32_init_hw(struct dc * dc)773 void dcn32_init_hw(struct dc *dc)
774 {
775 	struct abm **abms = dc->res_pool->multiple_abms;
776 	struct dce_hwseq *hws = dc->hwseq;
777 	struct dc_bios *dcb = dc->ctx->dc_bios;
778 	struct resource_pool *res_pool = dc->res_pool;
779 	int i;
780 	int edp_num;
781 	uint32_t backlight = MAX_BACKLIGHT_LEVEL;
782 	uint32_t user_level = MAX_BACKLIGHT_LEVEL;
783 
784 	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->init_clocks)
785 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
786 
787 	// Initialize the dccg
788 	if (res_pool->dccg->funcs->dccg_init)
789 		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
790 
791 	if (!dcb->funcs->is_accelerated_mode(dcb)) {
792 		hws->funcs.bios_golden_init(dc);
793 		hws->funcs.disable_vga(dc->hwseq);
794 	}
795 
796 	// Set default OPTC memory power states
797 	if (dc->debug.enable_mem_low_power.bits.optc) {
798 		// Shutdown when unassigned and light sleep in VBLANK
799 		REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
800 	}
801 
802 	if (dc->debug.enable_mem_low_power.bits.vga) {
803 		// Power down VGA memory
804 		REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
805 	}
806 
807 	if (dc->ctx->dc_bios->fw_info_valid) {
808 		res_pool->ref_clocks.xtalin_clock_inKhz =
809 				dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
810 
811 		if (res_pool->hubbub) {
812 			(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
813 					dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
814 					&res_pool->ref_clocks.dccg_ref_clock_inKhz);
815 
816 			(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
817 					res_pool->ref_clocks.dccg_ref_clock_inKhz,
818 					&res_pool->ref_clocks.dchub_ref_clock_inKhz);
819 		} else {
820 			// Not all ASICs have DCCG sw component
821 			res_pool->ref_clocks.dccg_ref_clock_inKhz =
822 					res_pool->ref_clocks.xtalin_clock_inKhz;
823 			res_pool->ref_clocks.dchub_ref_clock_inKhz =
824 					res_pool->ref_clocks.xtalin_clock_inKhz;
825 		}
826 	} else
827 		ASSERT_CRITICAL(false);
828 
829 	for (i = 0; i < dc->link_count; i++) {
830 		/* Power up AND update implementation according to the
831 		 * required signal (which may be different from the
832 		 * default signal on connector).
833 		 */
834 		struct dc_link *link = dc->links[i];
835 
836 		link->link_enc->funcs->hw_init(link->link_enc);
837 
838 		/* Check for enabled DIG to identify enabled display */
839 		if (link->link_enc->funcs->is_dig_enabled &&
840 			link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
841 			link->link_status.link_active = true;
842 			link->phy_state.symclk_state = SYMCLK_ON_TX_ON;
843 			if (link->link_enc->funcs->fec_is_active &&
844 					link->link_enc->funcs->fec_is_active(link->link_enc))
845 				link->fec_state = dc_link_fec_enabled;
846 		}
847 	}
848 
849 	/* enable_power_gating_plane before dsc_pg_control because
850 	 * FORCEON = 1 with hw default value on bootup, resume from s3
851 	 */
852 	if (hws->funcs.enable_power_gating_plane)
853 		hws->funcs.enable_power_gating_plane(dc->hwseq, true);
854 
855 	/* we want to turn off all dp displays before doing detection */
856 	dc->link_srv->blank_all_dp_displays(dc);
857 
858 	/* If taking control over from VBIOS, we may want to optimize our first
859 	 * mode set, so we need to skip powering down pipes until we know which
860 	 * pipes we want to use.
861 	 * Otherwise, if taking control is not possible, we need to power
862 	 * everything down.
863 	 */
864 	if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) {
865 		/* Disable boot optimizations means power down everything including PHY, DIG,
866 		 * and OTG (i.e. the boot is not optimized because we do a full power down).
867 		 */
868 		if (dc->hwss.enable_accelerated_mode && dc->debug.disable_boot_optimizations)
869 			dc->hwss.enable_accelerated_mode(dc, dc->current_state);
870 		else
871 			hws->funcs.init_pipes(dc, dc->current_state);
872 
873 		if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
874 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
875 					!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
876 
877 		dcn32_initialize_min_clocks(dc);
878 
879 		/* On HW init, allow idle optimizations after pipes have been turned off.
880 		 *
881 		 * In certain D3 cases (i.e. BOCO / BOMACO) it's possible that hardware state
882 		 * is reset (i.e. not in idle at the time hw init is called), but software state
883 		 * still has idle_optimizations = true, so we must disable idle optimizations first
884 		 * (i.e. set false), then re-enable (set true).
885 		 */
886 		dc_allow_idle_optimizations(dc, false);
887 		dc_allow_idle_optimizations(dc, true);
888 	}
889 
890 	/* In headless boot cases, DIG may be turned
891 	 * on which causes HW/SW discrepancies.
892 	 * To avoid this, power down hardware on boot
893 	 * if DIG is turned on and seamless boot not enabled
894 	 */
895 	if (!dc->config.seamless_boot_edp_requested) {
896 		struct dc_link *edp_links[MAX_NUM_EDP];
897 		struct dc_link *edp_link;
898 
899 		dc_get_edp_links(dc, edp_links, &edp_num);
900 		if (edp_num) {
901 			for (i = 0; i < edp_num; i++) {
902 				edp_link = edp_links[i];
903 				if (edp_link->link_enc->funcs->is_dig_enabled &&
904 						edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
905 						dc->hwss.edp_backlight_control &&
906 						hws->funcs.power_down &&
907 						dc->hwss.edp_power_control) {
908 					dc->hwss.edp_backlight_control(edp_link, false);
909 					hws->funcs.power_down(dc);
910 					dc->hwss.edp_power_control(edp_link, false);
911 				}
912 			}
913 		} else {
914 			for (i = 0; i < dc->link_count; i++) {
915 				struct dc_link *link = dc->links[i];
916 
917 				if (link->link_enc->funcs->is_dig_enabled &&
918 						link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
919 						hws->funcs.power_down) {
920 					hws->funcs.power_down(dc);
921 					break;
922 				}
923 
924 			}
925 		}
926 	}
927 
928 	for (i = 0; i < res_pool->audio_count; i++) {
929 		struct audio *audio = res_pool->audios[i];
930 
931 		audio->funcs->hw_init(audio);
932 	}
933 
934 	for (i = 0; i < dc->link_count; i++) {
935 		struct dc_link *link = dc->links[i];
936 
937 		if (link->panel_cntl) {
938 			backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
939 			user_level = link->panel_cntl->stored_backlight_registers.USER_LEVEL;
940 		}
941 	}
942 
943 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
944 		if (abms[i] != NULL && abms[i]->funcs != NULL)
945 			abms[i]->funcs->abm_init(abms[i], backlight, user_level);
946 	}
947 
948 	/* power AFMT HDMI memory TODO: may move to dis/en output save power*/
949 	REG_WRITE(DIO_MEM_PWR_CTRL, 0);
950 
951 	if (!dc->debug.disable_clock_gate) {
952 		/* enable all DCN clock gating */
953 		REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
954 
955 		REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
956 
957 		REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
958 	}
959 
960 	if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
961 		dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
962 
963 	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->notify_wm_ranges)
964 		dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
965 
966 	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->set_hard_max_memclk &&
967 	    !dc->clk_mgr->dc_mode_softmax_enabled)
968 		dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
969 
970 	if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
971 		dc->res_pool->hubbub->funcs->force_pstate_change_control(
972 				dc->res_pool->hubbub, false, false);
973 
974 	if (dc->res_pool->hubbub->funcs->init_crb)
975 		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
976 
977 	if (dc->res_pool->hubbub->funcs->set_request_limit && dc->config.sdpif_request_limit_words_per_umc > 0)
978 		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);
979 
980 	// Get DMCUB capabilities
981 	if (dc->ctx->dmub_srv) {
982 		dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv);
983 		dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr;
984 		dc->caps.dmub_caps.subvp_psr = dc->ctx->dmub_srv->dmub->feature_caps.subvp_psr_support;
985 		dc->caps.dmub_caps.gecc_enable = dc->ctx->dmub_srv->dmub->feature_caps.gecc_enable;
986 		dc->caps.dmub_caps.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver;
987 
988 		/* for DCN401 testing only */
989 		dc->caps.dmub_caps.fams_ver = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver;
990 		if (dc->caps.dmub_caps.fams_ver == 2) {
991 			/* FAMS2 is enabled */
992 			dc->debug.fams2_config.bits.enable &= true;
993 		} else if (dc->ctx->dmub_srv->dmub->fw_version <
994 				DMUB_FW_VERSION(7, 0, 35)) {
995 			/* FAMS2 is disabled */
996 			dc->debug.fams2_config.bits.enable = false;
997 			if (dc->debug.using_dml2 && dc->res_pool->funcs->update_bw_bounding_box) {
998 				/* update bounding box if FAMS2 disabled */
999 				dc->res_pool->funcs->update_bw_bounding_box(dc, dc->clk_mgr->bw_params);
1000 			}
1001 			dc->debug.force_disable_subvp = true;
1002 			dc->debug.disable_fpo_optimizations = true;
1003 		}
1004 	}
1005 }
1006 
dcn32_update_dsc_on_stream(struct pipe_ctx * pipe_ctx,bool enable)1007 void dcn32_update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
1008 {
1009 	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
1010 	struct dc *dc = pipe_ctx->stream->ctx->dc;
1011 	struct dc_stream_state *stream = pipe_ctx->stream;
1012 	struct pipe_ctx *odm_pipe;
1013 	int opp_cnt = 1;
1014 	struct dccg *dccg = dc->res_pool->dccg;
1015 	/* It has been found that when DSCCLK is lower than 16Mhz, we will get DCN
1016 	 * register access hung. When DSCCLk is based on refclk, DSCCLk is always a
1017 	 * fixed value higher than 16Mhz so the issue doesn't occur. When DSCCLK is
1018 	 * generated by DTO, DSCCLK would be based on 1/3 dispclk. For small timings
1019 	 * with DSC such as 480p60Hz, the dispclk could be low enough to trigger
1020 	 * this problem. We are implementing a workaround here to keep using dscclk
1021 	 * based on fixed value refclk when timing is smaller than 3x16Mhz (i.e
1022 	 * 48Mhz) pixel clock to avoid hitting this problem.
1023 	 */
1024 	bool should_use_dto_dscclk = (dccg->funcs->set_dto_dscclk != NULL) &&
1025 			stream->timing.pix_clk_100hz > 480000;
1026 
1027 	ASSERT(dsc);
1028 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1029 		opp_cnt++;
1030 
1031 	if (enable) {
1032 		struct dsc_config dsc_cfg;
1033 		struct dsc_optc_config dsc_optc_cfg = {0};
1034 		enum optc_dsc_mode optc_dsc_mode;
1035 		struct dcn_dsc_state dsc_state = {0};
1036 
1037 		if (!dsc) {
1038 			DC_LOG_DSC("DSC is NULL for tg instance %d:", pipe_ctx->stream_res.tg->inst);
1039 			return;
1040 		}
1041 
1042 		if (dsc->funcs->dsc_read_state) {
1043 			dsc->funcs->dsc_read_state(dsc, &dsc_state);
1044 			if (!dsc_state.dsc_fw_en) {
1045 				DC_LOG_DSC("DSC has been disabled for tg instance %d:", pipe_ctx->stream_res.tg->inst);
1046 				return;
1047 			}
1048 		}
1049 
1050 		/* Enable DSC hw block */
1051 		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt;
1052 		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
1053 		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
1054 		dsc_cfg.color_depth = stream->timing.display_color_depth;
1055 		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
1056 		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
1057 		ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0);
1058 		dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
1059 
1060 		if (should_use_dto_dscclk)
1061 			dccg->funcs->set_dto_dscclk(dccg, dsc->inst);
1062 		dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg);
1063 		dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst);
1064 		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1065 			struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc;
1066 
1067 			ASSERT(odm_dsc);
1068 			if (should_use_dto_dscclk)
1069 				dccg->funcs->set_dto_dscclk(dccg, odm_dsc->inst);
1070 			odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg);
1071 			odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst);
1072 		}
1073 		optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED;
1074 		/* Enable DSC in OPTC */
1075 		DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst);
1076 		pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg,
1077 							optc_dsc_mode,
1078 							dsc_optc_cfg.bytes_per_pixel,
1079 							dsc_optc_cfg.slice_width);
1080 	} else {
1081 		/* disable DSC in OPTC */
1082 		pipe_ctx->stream_res.tg->funcs->set_dsc_config(
1083 				pipe_ctx->stream_res.tg,
1084 				OPTC_DSC_DISABLED, 0, 0);
1085 
1086 		/* only disconnect DSC block, DSC is disabled when OPP head pipe is reset */
1087 		dsc->funcs->dsc_disconnect(pipe_ctx->stream_res.dsc);
1088 		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1089 			ASSERT(odm_pipe->stream_res.dsc);
1090 			odm_pipe->stream_res.dsc->funcs->dsc_disconnect(odm_pipe->stream_res.dsc);
1091 		}
1092 	}
1093 }
1094 
1095 /*
1096 * Given any pipe_ctx, return the total ODM combine factor, and optionally return
1097 * the OPPids which are used
1098 * */
get_odm_config(struct pipe_ctx * pipe_ctx,unsigned int * opp_instances)1099 static unsigned int get_odm_config(struct pipe_ctx *pipe_ctx, unsigned int *opp_instances)
1100 {
1101 	unsigned int opp_count = 1;
1102 	struct pipe_ctx *odm_pipe;
1103 
1104 	/* First get to the top pipe */
1105 	for (odm_pipe = pipe_ctx; odm_pipe->prev_odm_pipe; odm_pipe = odm_pipe->prev_odm_pipe)
1106 		;
1107 
1108 	/* First pipe is always used */
1109 	if (opp_instances)
1110 		opp_instances[0] = odm_pipe->stream_res.opp->inst;
1111 
1112 	/* Find and count odm pipes, if any */
1113 	for (odm_pipe = odm_pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1114 		if (opp_instances)
1115 			opp_instances[opp_count] = odm_pipe->stream_res.opp->inst;
1116 		opp_count++;
1117 	}
1118 
1119 	return opp_count;
1120 }
1121 
dcn32_update_odm(struct dc * dc,struct dc_state * context,struct pipe_ctx * pipe_ctx)1122 void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
1123 {
1124 	struct pipe_ctx *odm_pipe;
1125 	int opp_cnt = 0;
1126 	int opp_inst[MAX_PIPES] = {0};
1127 	int odm_slice_width = resource_get_odm_slice_dst_width(pipe_ctx, false);
1128 	int last_odm_slice_width = resource_get_odm_slice_dst_width(pipe_ctx, true);
1129 
1130 	opp_cnt = get_odm_config(pipe_ctx, opp_inst);
1131 
1132 	if (opp_cnt > 1)
1133 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
1134 				pipe_ctx->stream_res.tg,
1135 				opp_inst, opp_cnt,
1136 				odm_slice_width, last_odm_slice_width);
1137 	else
1138 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
1139 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
1140 
1141 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1142 		odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
1143 				odm_pipe->stream_res.opp,
1144 				true);
1145 		odm_pipe->stream_res.opp->funcs->opp_program_left_edge_extra_pixel(
1146 				odm_pipe->stream_res.opp,
1147 				pipe_ctx->stream->timing.pixel_encoding,
1148 				resource_is_pipe_type(odm_pipe, OTG_MASTER));
1149 	}
1150 
1151 	if (pipe_ctx->stream_res.dsc) {
1152 		struct pipe_ctx *current_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx];
1153 
1154 		dcn32_update_dsc_on_stream(pipe_ctx, pipe_ctx->stream->timing.flags.DSC);
1155 
1156 		/* Check if no longer using pipe for ODM, then need to disconnect DSC for that pipe */
1157 		if (!pipe_ctx->next_odm_pipe && current_pipe_ctx->next_odm_pipe &&
1158 				current_pipe_ctx->next_odm_pipe->stream_res.dsc) {
1159 			struct display_stream_compressor *dsc = current_pipe_ctx->next_odm_pipe->stream_res.dsc;
1160 
1161 			/* disconnect DSC block from stream */
1162 			dsc->funcs->dsc_disconnect(dsc);
1163 		}
1164 	}
1165 
1166 	if (!resource_is_pipe_type(pipe_ctx, DPP_PIPE))
1167 		/*
1168 		 * blank pattern is generated by OPP, reprogram blank pattern
1169 		 * due to OPP count change
1170 		 */
1171 		dc->hwseq->funcs.blank_pixel_data(dc, pipe_ctx, true);
1172 }
1173 
dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx * pipe_ctx,unsigned int * k1_div,unsigned int * k2_div)1174 unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div)
1175 {
1176 	struct dc_stream_state *stream = pipe_ctx->stream;
1177 	unsigned int odm_combine_factor = 0;
1178 	bool two_pix_per_container = false;
1179 
1180 	two_pix_per_container = pipe_ctx->stream_res.tg->funcs->is_two_pixels_per_container(&stream->timing);
1181 	odm_combine_factor = get_odm_config(pipe_ctx, NULL);
1182 
1183 	if (stream->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
1184 		*k1_div = PIXEL_RATE_DIV_BY_1;
1185 		*k2_div = PIXEL_RATE_DIV_BY_1;
1186 	} else if (dc_is_hdmi_tmds_signal(stream->signal) || dc_is_dvi_signal(stream->signal)) {
1187 		*k1_div = PIXEL_RATE_DIV_BY_1;
1188 		if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
1189 			*k2_div = PIXEL_RATE_DIV_BY_2;
1190 		else
1191 			*k2_div = PIXEL_RATE_DIV_BY_4;
1192 	} else if (dc_is_dp_signal(stream->signal) || dc_is_virtual_signal(stream->signal)) {
1193 		if (two_pix_per_container) {
1194 			*k1_div = PIXEL_RATE_DIV_BY_1;
1195 			*k2_div = PIXEL_RATE_DIV_BY_2;
1196 		} else {
1197 			*k1_div = PIXEL_RATE_DIV_BY_1;
1198 			*k2_div = PIXEL_RATE_DIV_BY_4;
1199 			if ((odm_combine_factor == 2) || dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx))
1200 				*k2_div = PIXEL_RATE_DIV_BY_2;
1201 		}
1202 	}
1203 
1204 	if ((*k1_div == PIXEL_RATE_DIV_NA) && (*k2_div == PIXEL_RATE_DIV_NA))
1205 		ASSERT(false);
1206 
1207 	return odm_combine_factor;
1208 }
1209 
dcn32_calculate_pix_rate_divider(struct dc * dc,struct dc_state * context,const struct dc_stream_state * stream)1210 void dcn32_calculate_pix_rate_divider(
1211 		struct dc *dc,
1212 		struct dc_state *context,
1213 		const struct dc_stream_state *stream)
1214 {
1215 	struct dce_hwseq *hws = dc->hwseq;
1216 	struct pipe_ctx *pipe_ctx = NULL;
1217 	unsigned int k1_div = PIXEL_RATE_DIV_NA;
1218 	unsigned int k2_div = PIXEL_RATE_DIV_NA;
1219 
1220 	pipe_ctx = resource_get_otg_master_for_stream(&context->res_ctx, stream);
1221 
1222 	if (pipe_ctx) {
1223 
1224 		if (hws->funcs.calculate_dccg_k1_k2_values)
1225 			hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
1226 
1227 		pipe_ctx->pixel_rate_divider.div_factor1 = k1_div;
1228 		pipe_ctx->pixel_rate_divider.div_factor2 = k2_div;
1229 	}
1230 }
1231 
dcn32_resync_fifo_dccg_dio(struct dce_hwseq * hws,struct dc * dc,struct dc_state * context,unsigned int current_pipe_idx)1232 void dcn32_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context, unsigned int current_pipe_idx)
1233 {
1234 	unsigned int i;
1235 	struct pipe_ctx *pipe = NULL;
1236 	bool otg_disabled[MAX_PIPES] = {false};
1237 	struct dc_state *dc_state = NULL;
1238 
1239 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1240 		if (i <= current_pipe_idx) {
1241 			pipe = &context->res_ctx.pipe_ctx[i];
1242 			dc_state = context;
1243 		} else {
1244 			pipe = &dc->current_state->res_ctx.pipe_ctx[i];
1245 			dc_state = dc->current_state;
1246 		}
1247 
1248 		if (!resource_is_pipe_type(pipe, OTG_MASTER))
1249 			continue;
1250 
1251 		if ((pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal))
1252 			&& dc_state_get_pipe_subvp_type(dc_state, pipe) != SUBVP_PHANTOM) {
1253 			pipe->stream_res.tg->funcs->disable_crtc(pipe->stream_res.tg);
1254 			reset_sync_context_for_pipe(dc, context, i);
1255 			otg_disabled[i] = true;
1256 		}
1257 	}
1258 
1259 	hws->ctx->dc->res_pool->dccg->funcs->trigger_dio_fifo_resync(hws->ctx->dc->res_pool->dccg);
1260 
1261 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1262 		if (i <= current_pipe_idx)
1263 			pipe = &context->res_ctx.pipe_ctx[i];
1264 		else
1265 			pipe = &dc->current_state->res_ctx.pipe_ctx[i];
1266 
1267 		if (otg_disabled[i]) {
1268 			int opp_inst[MAX_PIPES] = { pipe->stream_res.opp->inst };
1269 			int opp_cnt = 1;
1270 			int last_odm_slice_width = resource_get_odm_slice_dst_width(pipe, true);
1271 			int odm_slice_width = resource_get_odm_slice_dst_width(pipe, false);
1272 			struct pipe_ctx *odm_pipe;
1273 
1274 			for (odm_pipe = pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1275 				opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
1276 				opp_cnt++;
1277 			}
1278 			if (opp_cnt > 1)
1279 				pipe->stream_res.tg->funcs->set_odm_combine(
1280 						pipe->stream_res.tg,
1281 						opp_inst, opp_cnt,
1282 						odm_slice_width,
1283 						last_odm_slice_width);
1284 			pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
1285 		}
1286 	}
1287 
1288 	dc_trigger_sync(dc, dc->current_state);
1289 }
1290 
dcn32_unblank_stream(struct pipe_ctx * pipe_ctx,struct dc_link_settings * link_settings)1291 void dcn32_unblank_stream(struct pipe_ctx *pipe_ctx,
1292 		struct dc_link_settings *link_settings)
1293 {
1294 	struct encoder_unblank_param params = {0};
1295 	struct dc_stream_state *stream = pipe_ctx->stream;
1296 	struct dc_link *link = stream->link;
1297 	struct dce_hwseq *hws = link->dc->hwseq;
1298 	struct pipe_ctx *odm_pipe;
1299 
1300 	params.opp_cnt = 1;
1301 	params.pix_per_cycle = pipe_ctx->stream_res.pix_clk_params.dio_se_pix_per_cycle;
1302 
1303 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1304 		params.opp_cnt++;
1305 
1306 	/* only 3 items below are used by unblank */
1307 	params.timing = pipe_ctx->stream->timing;
1308 
1309 	params.link_settings.link_rate = link_settings->link_rate;
1310 
1311 	if (link->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
1312 		/* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
1313 		pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
1314 				pipe_ctx->stream_res.hpo_dp_stream_enc,
1315 				pipe_ctx->stream_res.tg->inst);
1316 	} else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
1317 		if (pipe_ctx->stream_res.tg->funcs->is_two_pixels_per_container(&stream->timing) ||
1318 			params.opp_cnt > 1) {
1319 			params.timing.pix_clk_100hz /= 2;
1320 			params.pix_per_cycle = 2;
1321 		}
1322 		pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
1323 				pipe_ctx->stream_res.stream_enc, params.pix_per_cycle > 1);
1324 		pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
1325 	}
1326 
1327 	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP)
1328 		hws->funcs.edp_backlight_control(link, true);
1329 }
1330 
dcn32_is_dp_dig_pixel_rate_div_policy(struct pipe_ctx * pipe_ctx)1331 bool dcn32_is_dp_dig_pixel_rate_div_policy(struct pipe_ctx *pipe_ctx)
1332 {
1333 	struct dc *dc = pipe_ctx->stream->ctx->dc;
1334 
1335 	if (!is_h_timing_divisible_by_2(pipe_ctx->stream))
1336 		return false;
1337 
1338 	if (dc_is_dp_signal(pipe_ctx->stream->signal) && !dc->link_srv->dp_is_128b_132b_signal(pipe_ctx) &&
1339 		dc->debug.enable_dp_dig_pixel_rate_div_policy)
1340 		return true;
1341 	return false;
1342 }
1343 
apply_symclk_on_tx_off_wa(struct dc_link * link)1344 static void apply_symclk_on_tx_off_wa(struct dc_link *link)
1345 {
1346 	/* There are use cases where SYMCLK is referenced by OTG. For instance
1347 	 * for TMDS signal, OTG relies SYMCLK even if TX video output is off.
1348 	 * However current link interface will power off PHY when disabling link
1349 	 * output. This will turn off SYMCLK generated by PHY. The workaround is
1350 	 * to identify such case where SYMCLK is still in use by OTG when we
1351 	 * power off PHY. When this is detected, we will temporarily power PHY
1352 	 * back on and move PHY's SYMCLK state to SYMCLK_ON_TX_OFF by calling
1353 	 * program_pix_clk interface. When OTG is disabled, we will then power
1354 	 * off PHY by calling disable link output again.
1355 	 *
1356 	 * In future dcn generations, we plan to rework transmitter control
1357 	 * interface so that we could have an option to set SYMCLK ON TX OFF
1358 	 * state in one step without this workaround
1359 	 */
1360 
1361 	struct dc *dc = link->ctx->dc;
1362 	struct pipe_ctx *pipe_ctx = NULL;
1363 	uint8_t i;
1364 
1365 	if (link->phy_state.symclk_ref_cnts.otg > 0) {
1366 		for (i = 0; i < MAX_PIPES; i++) {
1367 			pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
1368 			if (resource_is_pipe_type(pipe_ctx, OPP_HEAD) && pipe_ctx->stream->link == link) {
1369 				pipe_ctx->clock_source->funcs->program_pix_clk(
1370 						pipe_ctx->clock_source,
1371 						&pipe_ctx->stream_res.pix_clk_params,
1372 						dc->link_srv->dp_get_encoding_format(
1373 								&pipe_ctx->link_config.dp_link_settings),
1374 						&pipe_ctx->pll_settings);
1375 				link->phy_state.symclk_state = SYMCLK_ON_TX_OFF;
1376 				break;
1377 			}
1378 		}
1379 	}
1380 }
1381 
dcn32_disable_link_output(struct dc_link * link,const struct link_resource * link_res,enum signal_type signal)1382 void dcn32_disable_link_output(struct dc_link *link,
1383 		const struct link_resource *link_res,
1384 		enum signal_type signal)
1385 {
1386 	struct dc *dc = link->ctx->dc;
1387 	const struct link_hwss *link_hwss = get_link_hwss(link, link_res);
1388 	struct dmcu *dmcu = dc->res_pool->dmcu;
1389 
1390 	if (signal == SIGNAL_TYPE_EDP &&
1391 			link->dc->hwss.edp_backlight_control &&
1392 			!link->skip_implict_edp_power_control)
1393 		link->dc->hwss.edp_backlight_control(link, false);
1394 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
1395 		dmcu->funcs->lock_phy(dmcu);
1396 
1397 	link_hwss->disable_link_output(link, link_res, signal);
1398 	link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
1399 
1400 	if (signal == SIGNAL_TYPE_EDP &&
1401 			link->dc->hwss.edp_backlight_control &&
1402 			!link->skip_implict_edp_power_control)
1403 		link->dc->hwss.edp_power_control(link, false);
1404 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
1405 		dmcu->funcs->unlock_phy(dmcu);
1406 
1407 	dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
1408 
1409 	apply_symclk_on_tx_off_wa(link);
1410 }
1411 
1412 /* For SubVP the main pipe can have a viewport position change
1413  * without a full update. In this case we must also update the
1414  * viewport positions for the phantom pipe accordingly.
1415  */
dcn32_update_phantom_vp_position(struct dc * dc,struct dc_state * context,struct pipe_ctx * phantom_pipe)1416 void dcn32_update_phantom_vp_position(struct dc *dc,
1417 		struct dc_state *context,
1418 		struct pipe_ctx *phantom_pipe)
1419 {
1420 	uint32_t i;
1421 	struct dc_plane_state *phantom_plane = phantom_pipe->plane_state;
1422 
1423 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1424 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1425 
1426 		if (pipe->stream && dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN &&
1427 				dc_state_get_paired_subvp_stream(context, pipe->stream) == phantom_pipe->stream) {
1428 			if (pipe->plane_state && pipe->plane_state->update_flags.bits.position_change) {
1429 
1430 				phantom_plane->src_rect.x = pipe->plane_state->src_rect.x;
1431 				phantom_plane->src_rect.y = pipe->plane_state->src_rect.y;
1432 				phantom_plane->clip_rect.x = pipe->plane_state->clip_rect.x;
1433 				phantom_plane->dst_rect.x = pipe->plane_state->dst_rect.x;
1434 				phantom_plane->dst_rect.y = pipe->plane_state->dst_rect.y;
1435 
1436 				phantom_pipe->plane_state->update_flags.bits.position_change = 1;
1437 				resource_build_scaling_params(phantom_pipe);
1438 				return;
1439 			}
1440 		}
1441 	}
1442 }
1443 
1444 /* Treat the phantom pipe as if it needs to be fully enabled.
1445  * If the pipe was previously in use but not phantom, it would
1446  * have been disabled earlier in the sequence so we need to run
1447  * the full enable sequence.
1448  */
dcn32_apply_update_flags_for_phantom(struct pipe_ctx * phantom_pipe)1449 void dcn32_apply_update_flags_for_phantom(struct pipe_ctx *phantom_pipe)
1450 {
1451 	phantom_pipe->update_flags.raw = 0;
1452 	if (resource_is_pipe_type(phantom_pipe, DPP_PIPE)) {
1453 		phantom_pipe->update_flags.bits.enable = 1;
1454 		phantom_pipe->update_flags.bits.mpcc = 1;
1455 		phantom_pipe->update_flags.bits.dppclk = 1;
1456 		phantom_pipe->update_flags.bits.hubp_interdependent = 1;
1457 		phantom_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1458 		phantom_pipe->update_flags.bits.gamut_remap = 1;
1459 		phantom_pipe->update_flags.bits.scaler = 1;
1460 		phantom_pipe->update_flags.bits.viewport = 1;
1461 		phantom_pipe->update_flags.bits.det_size = 1;
1462 		if (resource_is_pipe_type(phantom_pipe, OTG_MASTER)) {
1463 			phantom_pipe->update_flags.bits.odm = 1;
1464 			phantom_pipe->update_flags.bits.global_sync = 1;
1465 		}
1466 	}
1467 }
1468 
dcn32_dsc_pg_status(struct dce_hwseq * hws,unsigned int dsc_inst)1469 bool dcn32_dsc_pg_status(
1470 		struct dce_hwseq *hws,
1471 		unsigned int dsc_inst)
1472 {
1473 	uint32_t pwr_status = 0;
1474 
1475 	switch (dsc_inst) {
1476 	case 0: /* DSC0 */
1477 		REG_GET(DOMAIN16_PG_STATUS,
1478 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1479 		break;
1480 	case 1: /* DSC1 */
1481 
1482 		REG_GET(DOMAIN17_PG_STATUS,
1483 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1484 		break;
1485 	case 2: /* DSC2 */
1486 		REG_GET(DOMAIN18_PG_STATUS,
1487 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1488 		break;
1489 	case 3: /* DSC3 */
1490 		REG_GET(DOMAIN19_PG_STATUS,
1491 				DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
1492 		break;
1493 	default:
1494 		BREAK_TO_DEBUGGER();
1495 		break;
1496 	}
1497 
1498 	return pwr_status == 0;
1499 }
1500 
dcn32_update_dsc_pg(struct dc * dc,struct dc_state * context,bool safe_to_disable)1501 void dcn32_update_dsc_pg(struct dc *dc,
1502 		struct dc_state *context,
1503 		bool safe_to_disable)
1504 {
1505 	struct dce_hwseq *hws = dc->hwseq;
1506 	int i;
1507 
1508 	for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
1509 		struct display_stream_compressor *dsc = dc->res_pool->dscs[i];
1510 		bool is_dsc_ungated = hws->funcs.dsc_pg_status(hws, dsc->inst);
1511 
1512 		if (context->res_ctx.is_dsc_acquired[i]) {
1513 			if (!is_dsc_ungated) {
1514 				hws->funcs.dsc_pg_control(hws, dsc->inst, true);
1515 			}
1516 		} else if (safe_to_disable) {
1517 			if (is_dsc_ungated) {
1518 				hws->funcs.dsc_pg_control(hws, dsc->inst, false);
1519 			}
1520 		}
1521 	}
1522 }
1523 
dcn32_disable_phantom_streams(struct dc * dc,struct dc_state * context)1524 void dcn32_disable_phantom_streams(struct dc *dc, struct dc_state *context)
1525 {
1526 	struct dce_hwseq *hws = dc->hwseq;
1527 	int i;
1528 
1529 	for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
1530 		struct pipe_ctx *pipe_ctx_old =
1531 			&dc->current_state->res_ctx.pipe_ctx[i];
1532 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1533 
1534 		if (!pipe_ctx_old->stream)
1535 			continue;
1536 
1537 		if (dc_state_get_pipe_subvp_type(dc->current_state, pipe_ctx_old) != SUBVP_PHANTOM)
1538 			continue;
1539 
1540 		if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
1541 			continue;
1542 
1543 		if (!pipe_ctx->stream || pipe_need_reprogram(pipe_ctx_old, pipe_ctx) ||
1544 				(pipe_ctx->stream && dc_state_get_pipe_subvp_type(context, pipe_ctx) != SUBVP_PHANTOM)) {
1545 			struct clock_source *old_clk = pipe_ctx_old->clock_source;
1546 
1547 			if (hws->funcs.reset_back_end_for_pipe)
1548 				hws->funcs.reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
1549 			if (hws->funcs.enable_stream_gating)
1550 				hws->funcs.enable_stream_gating(dc, pipe_ctx_old);
1551 			if (old_clk)
1552 				old_clk->funcs->cs_power_down(old_clk);
1553 		}
1554 	}
1555 }
1556 
dcn32_enable_phantom_streams(struct dc * dc,struct dc_state * context)1557 void dcn32_enable_phantom_streams(struct dc *dc, struct dc_state *context)
1558 {
1559 	unsigned int i;
1560 	enum dc_status status = DC_OK;
1561 	struct dce_hwseq *hws = dc->hwseq;
1562 
1563 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1564 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1565 		struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
1566 
1567 		/* If an active, non-phantom pipe is being transitioned into a phantom
1568 		 * pipe, wait for the double buffer update to complete first before we do
1569 		 * ANY phantom pipe programming.
1570 		 */
1571 		if (pipe->stream && dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_PHANTOM &&
1572 				old_pipe->stream && dc_state_get_pipe_subvp_type(dc->current_state, old_pipe) != SUBVP_PHANTOM) {
1573 			old_pipe->stream_res.tg->funcs->wait_for_state(
1574 					old_pipe->stream_res.tg,
1575 					CRTC_STATE_VBLANK);
1576 			old_pipe->stream_res.tg->funcs->wait_for_state(
1577 					old_pipe->stream_res.tg,
1578 					CRTC_STATE_VACTIVE);
1579 		}
1580 	}
1581 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1582 		struct pipe_ctx *pipe_ctx_old =
1583 					&dc->current_state->res_ctx.pipe_ctx[i];
1584 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1585 
1586 		if (pipe_ctx->stream == NULL)
1587 			continue;
1588 
1589 		if (dc_state_get_pipe_subvp_type(context, pipe_ctx) != SUBVP_PHANTOM)
1590 			continue;
1591 
1592 		if (pipe_ctx->stream == pipe_ctx_old->stream &&
1593 			pipe_ctx->stream->link->link_state_valid) {
1594 			continue;
1595 		}
1596 
1597 		if (pipe_ctx_old->stream && !pipe_need_reprogram(pipe_ctx_old, pipe_ctx))
1598 			continue;
1599 
1600 		if (pipe_ctx->top_pipe || pipe_ctx->prev_odm_pipe)
1601 			continue;
1602 
1603 		if (hws->funcs.apply_single_controller_ctx_to_hw)
1604 			status = hws->funcs.apply_single_controller_ctx_to_hw(
1605 					pipe_ctx,
1606 					context,
1607 					dc);
1608 
1609 		ASSERT(status == DC_OK);
1610 
1611 #ifdef CONFIG_DRM_AMD_DC_FP
1612 		if (hws->funcs.resync_fifo_dccg_dio)
1613 			hws->funcs.resync_fifo_dccg_dio(hws, dc, context, i);
1614 #endif
1615 	}
1616 }
1617 
1618 /* Blank pixel data during initialization */
dcn32_init_blank(struct dc * dc,struct timing_generator * tg)1619 void dcn32_init_blank(
1620 		struct dc *dc,
1621 		struct timing_generator *tg)
1622 {
1623 	struct dce_hwseq *hws = dc->hwseq;
1624 	enum dc_color_space color_space;
1625 	struct tg_color black_color = {0};
1626 	struct output_pixel_processor *opp = NULL;
1627 	struct output_pixel_processor *bottom_opp = NULL;
1628 	uint32_t num_opps, opp_id_src0, opp_id_src1;
1629 	uint32_t otg_active_width = 0, otg_active_height = 0;
1630 	uint32_t i;
1631 
1632 	/* program opp dpg blank color */
1633 	color_space = COLOR_SPACE_SRGB;
1634 	color_space_to_black_color(dc, color_space, &black_color);
1635 
1636 	/* get the OTG active size */
1637 	tg->funcs->get_otg_active_size(tg,
1638 			&otg_active_width,
1639 			&otg_active_height);
1640 
1641 	/* get the OPTC source */
1642 	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
1643 
1644 	if (opp_id_src0 >= dc->res_pool->res_cap->num_opp) {
1645 		ASSERT(false);
1646 		return;
1647 	}
1648 
1649 	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
1650 		if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src0) {
1651 			opp = dc->res_pool->opps[i];
1652 			break;
1653 		}
1654 	}
1655 
1656 	if (num_opps == 2) {
1657 		otg_active_width = otg_active_width / 2;
1658 
1659 		if (opp_id_src1 >= dc->res_pool->res_cap->num_opp) {
1660 			ASSERT(false);
1661 			return;
1662 		}
1663 		for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
1664 			if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src1) {
1665 				bottom_opp = dc->res_pool->opps[i];
1666 				break;
1667 			}
1668 		}
1669 	}
1670 
1671 	if (opp && opp->funcs->opp_set_disp_pattern_generator)
1672 		opp->funcs->opp_set_disp_pattern_generator(
1673 				opp,
1674 				CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
1675 				CONTROLLER_DP_COLOR_SPACE_UDEFINED,
1676 				COLOR_DEPTH_UNDEFINED,
1677 				&black_color,
1678 				otg_active_width,
1679 				otg_active_height,
1680 				0);
1681 
1682 	if (num_opps == 2) {
1683 		if (bottom_opp && bottom_opp->funcs->opp_set_disp_pattern_generator) {
1684 			bottom_opp->funcs->opp_set_disp_pattern_generator(
1685 					bottom_opp,
1686 					CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
1687 					CONTROLLER_DP_COLOR_SPACE_UDEFINED,
1688 					COLOR_DEPTH_UNDEFINED,
1689 					&black_color,
1690 					otg_active_width,
1691 					otg_active_height,
1692 					0);
1693 			hws->funcs.wait_for_blank_complete(bottom_opp);
1694 		}
1695 	}
1696 
1697 	if (opp)
1698 		hws->funcs.wait_for_blank_complete(opp);
1699 }
1700 
dcn32_blank_phantom(struct dc * dc,struct timing_generator * tg,int width,int height)1701 void dcn32_blank_phantom(struct dc *dc,
1702 		struct timing_generator *tg,
1703 		int width,
1704 		int height)
1705 {
1706 	struct dce_hwseq *hws = dc->hwseq;
1707 	enum dc_color_space color_space;
1708 	struct tg_color black_color = {0};
1709 	struct output_pixel_processor *opp = NULL;
1710 	uint32_t num_opps, opp_id_src0, opp_id_src1;
1711 	uint32_t otg_active_width, otg_active_height;
1712 	uint32_t i;
1713 
1714 	/* program opp dpg blank color */
1715 	color_space = COLOR_SPACE_SRGB;
1716 	color_space_to_black_color(dc, color_space, &black_color);
1717 
1718 	otg_active_width = width;
1719 	otg_active_height = height;
1720 
1721 	/* get the OPTC source */
1722 	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
1723 	ASSERT(opp_id_src0 < dc->res_pool->res_cap->num_opp);
1724 
1725 	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
1726 		if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src0) {
1727 			opp = dc->res_pool->opps[i];
1728 			break;
1729 		}
1730 	}
1731 
1732 	if (opp && opp->funcs->opp_set_disp_pattern_generator)
1733 		opp->funcs->opp_set_disp_pattern_generator(
1734 				opp,
1735 				CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
1736 				CONTROLLER_DP_COLOR_SPACE_UDEFINED,
1737 				COLOR_DEPTH_UNDEFINED,
1738 				&black_color,
1739 				otg_active_width,
1740 				otg_active_height,
1741 				0);
1742 
1743 	if (tg->funcs->is_tg_enabled(tg))
1744 		hws->funcs.wait_for_blank_complete(opp);
1745 }
1746 
1747 /* phantom stream id's can change often, but can be identical between contexts.
1748 *  This function checks for the condition the streams are identical to avoid
1749 *  redundant pipe transitions.
1750 */
is_subvp_phantom_topology_transition_seamless(const struct dc_state * cur_ctx,const struct dc_state * new_ctx,const struct pipe_ctx * cur_pipe,const struct pipe_ctx * new_pipe)1751 static bool is_subvp_phantom_topology_transition_seamless(
1752 	const struct dc_state *cur_ctx,
1753 	const struct dc_state *new_ctx,
1754 	const struct pipe_ctx *cur_pipe,
1755 	const struct pipe_ctx *new_pipe)
1756 {
1757 	enum mall_stream_type cur_pipe_type = dc_state_get_pipe_subvp_type(cur_ctx, cur_pipe);
1758 	enum mall_stream_type new_pipe_type = dc_state_get_pipe_subvp_type(new_ctx, new_pipe);
1759 
1760 	const struct dc_stream_state *cur_paired_stream = dc_state_get_paired_subvp_stream(cur_ctx, cur_pipe->stream);
1761 	const struct dc_stream_state *new_paired_stream = dc_state_get_paired_subvp_stream(new_ctx, new_pipe->stream);
1762 
1763 	return cur_pipe_type == SUBVP_PHANTOM &&
1764 			cur_pipe_type == new_pipe_type &&
1765 			cur_paired_stream && new_paired_stream &&
1766 			cur_paired_stream->stream_id == new_paired_stream->stream_id;
1767 }
1768 
dcn32_is_pipe_topology_transition_seamless(struct dc * dc,const struct dc_state * cur_ctx,const struct dc_state * new_ctx)1769 bool dcn32_is_pipe_topology_transition_seamless(struct dc *dc,
1770 		const struct dc_state *cur_ctx,
1771 		const struct dc_state *new_ctx)
1772 {
1773 	int i;
1774 	const struct pipe_ctx *cur_pipe, *new_pipe;
1775 	bool is_seamless = true;
1776 
1777 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1778 		cur_pipe = &cur_ctx->res_ctx.pipe_ctx[i];
1779 		new_pipe = &new_ctx->res_ctx.pipe_ctx[i];
1780 
1781 		if (resource_is_pipe_type(cur_pipe, FREE_PIPE) ||
1782 				resource_is_pipe_type(new_pipe, FREE_PIPE))
1783 			/* adding or removing free pipes is always seamless */
1784 			continue;
1785 		else if (resource_is_pipe_type(cur_pipe, OTG_MASTER)) {
1786 			if (resource_is_pipe_type(new_pipe, OTG_MASTER))
1787 				if (cur_pipe->stream->stream_id == new_pipe->stream->stream_id ||
1788 						is_subvp_phantom_topology_transition_seamless(cur_ctx, new_ctx, cur_pipe, new_pipe))
1789 				/* OTG master with the same stream is seamless */
1790 					continue;
1791 		} else if (resource_is_pipe_type(cur_pipe, OPP_HEAD)) {
1792 			if (resource_is_pipe_type(new_pipe, OPP_HEAD)) {
1793 				if (cur_pipe->stream_res.tg == new_pipe->stream_res.tg)
1794 					/*
1795 					 * OPP heads sharing the same timing
1796 					 * generator is seamless
1797 					 */
1798 					continue;
1799 			}
1800 		} else if (resource_is_pipe_type(cur_pipe, DPP_PIPE)) {
1801 			if (resource_is_pipe_type(new_pipe, DPP_PIPE)) {
1802 				if (cur_pipe->stream_res.opp == new_pipe->stream_res.opp)
1803 					/*
1804 					 * DPP pipes sharing the same OPP head is
1805 					 * seamless
1806 					 */
1807 					continue;
1808 			}
1809 		}
1810 
1811 		/*
1812 		 * This pipe's transition doesn't fall under any seamless
1813 		 * conditions
1814 		 */
1815 		is_seamless = false;
1816 		break;
1817 	}
1818 
1819 	return is_seamless;
1820 }
1821 
dcn32_prepare_bandwidth(struct dc * dc,struct dc_state * context)1822 void dcn32_prepare_bandwidth(struct dc *dc,
1823 	struct dc_state *context)
1824 {
1825 	bool p_state_change_support = context->bw_ctx.bw.dcn.clk.p_state_change_support;
1826 	/* Any transition into an FPO config should disable MCLK switching first to avoid
1827 	 * driver and FW P-State synchronization issues.
1828 	 */
1829 	if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching || dc->clk_mgr->clks.fw_based_mclk_switching) {
1830 		dc->optimized_required = true;
1831 		context->bw_ctx.bw.dcn.clk.p_state_change_support = false;
1832 	}
1833 
1834 	if (dc->clk_mgr->dc_mode_softmax_enabled)
1835 		if (dc->clk_mgr->clks.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
1836 				context->bw_ctx.bw.dcn.clk.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
1837 			dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz);
1838 
1839 	dcn20_prepare_bandwidth(dc, context);
1840 
1841 	if (!context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching)
1842 		dc_dmub_srv_p_state_delegate(dc, false, context);
1843 
1844 	if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching || dc->clk_mgr->clks.fw_based_mclk_switching) {
1845 		/* After disabling P-State, restore the original value to ensure we get the correct P-State
1846 		 * on the next optimize.
1847 		 */
1848 		context->bw_ctx.bw.dcn.clk.p_state_change_support = p_state_change_support;
1849 	}
1850 }
1851 
dcn32_interdependent_update_lock(struct dc * dc,struct dc_state * context,bool lock)1852 void dcn32_interdependent_update_lock(struct dc *dc,
1853 		struct dc_state *context, bool lock)
1854 {
1855 	unsigned int i;
1856 	struct pipe_ctx *pipe;
1857 	struct timing_generator *tg;
1858 
1859 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1860 		pipe = &context->res_ctx.pipe_ctx[i];
1861 		tg = pipe->stream_res.tg;
1862 
1863 		if (!resource_is_pipe_type(pipe, OTG_MASTER) ||
1864 				!tg->funcs->is_tg_enabled(tg) ||
1865 				dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_PHANTOM)
1866 			continue;
1867 
1868 		if (lock)
1869 			dc->hwss.pipe_control_lock(dc, pipe, true);
1870 		else
1871 			dc->hwss.pipe_control_lock(dc, pipe, false);
1872 	}
1873 }
1874 
dcn32_program_outstanding_updates(struct dc * dc,struct dc_state * context)1875 void dcn32_program_outstanding_updates(struct dc *dc,
1876 		struct dc_state *context)
1877 {
1878 	struct hubbub *hubbub = dc->res_pool->hubbub;
1879 
1880 	/* update compbuf if required */
1881 	if (hubbub->funcs->program_compbuf_size)
1882 		hubbub->funcs->program_compbuf_size(hubbub, context->bw_ctx.bw.dcn.compbuf_size_kb, true);
1883 }
1884