1 /*
2  * Copyright 2020 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 "dcn30_hwseq.h"
32 #include "dccg.h"
33 #include "dce/dce_hwseq.h"
34 #include "dcn30_mpc.h"
35 #include "dcn30_dpp.h"
36 #include "dcn10/dcn10_cm_common.h"
37 #include "dcn30_cm_common.h"
38 #include "reg_helper.h"
39 #include "abm.h"
40 #include "clk_mgr.h"
41 #include "hubp.h"
42 #include "dchubbub.h"
43 #include "timing_generator.h"
44 #include "opp.h"
45 #include "ipp.h"
46 #include "mpc.h"
47 #include "mcif_wb.h"
48 #include "dc_dmub_srv.h"
49 #include "link_hwss.h"
50 #include "dpcd_defs.h"
51 #include "inc/dc_link_dp.h"
52 #include "inc/link_dpcd.h"
53 
54 
55 
56 
57 #define DC_LOGGER_INIT(logger)
58 
59 #define CTX \
60 	hws->ctx
61 #define REG(reg)\
62 	hws->regs->reg
63 #define DC_LOGGER \
64 		dc->ctx->logger
65 
66 
67 #undef FN
68 #define FN(reg_name, field_name) \
69 	hws->shifts->field_name, hws->masks->field_name
70 
71 bool dcn30_set_blend_lut(
72 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
73 {
74 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
75 	bool result = true;
76 	struct pwl_params *blend_lut = NULL;
77 
78 	if (plane_state->blend_tf) {
79 		if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
80 			blend_lut = &plane_state->blend_tf->pwl;
81 		else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
82 			cm3_helper_translate_curve_to_hw_format(
83 					plane_state->blend_tf, &dpp_base->regamma_params, false);
84 			blend_lut = &dpp_base->regamma_params;
85 		}
86 	}
87 	result = dpp_base->funcs->dpp_program_blnd_lut(dpp_base, blend_lut);
88 
89 	return result;
90 }
91 
92 static bool dcn30_set_mpc_shaper_3dlut(
93 	struct pipe_ctx *pipe_ctx, const struct dc_stream_state *stream)
94 {
95 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
96 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
97 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
98 	bool result = false;
99 	int acquired_rmu = 0;
100 	int mpcc_id_projected = 0;
101 
102 	const struct pwl_params *shaper_lut = NULL;
103 	//get the shaper lut params
104 	if (stream->func_shaper) {
105 		if (stream->func_shaper->type == TF_TYPE_HWPWL)
106 			shaper_lut = &stream->func_shaper->pwl;
107 		else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) {
108 			cm_helper_translate_curve_to_hw_format(
109 					stream->func_shaper,
110 					&dpp_base->shaper_params, true);
111 			shaper_lut = &dpp_base->shaper_params;
112 		}
113 	}
114 
115 	if (stream->lut3d_func &&
116 		stream->lut3d_func->state.bits.initialized == 1 &&
117 		stream->lut3d_func->state.bits.rmu_idx_valid == 1) {
118 		if (stream->lut3d_func->state.bits.rmu_mux_num == 0)
119 			mpcc_id_projected = stream->lut3d_func->state.bits.mpc_rmu0_mux;
120 		else if (stream->lut3d_func->state.bits.rmu_mux_num == 1)
121 			mpcc_id_projected = stream->lut3d_func->state.bits.mpc_rmu1_mux;
122 		else if (stream->lut3d_func->state.bits.rmu_mux_num == 2)
123 			mpcc_id_projected = stream->lut3d_func->state.bits.mpc_rmu2_mux;
124 		if (mpcc_id_projected != mpcc_id)
125 			BREAK_TO_DEBUGGER();
126 		/*find the reason why logical layer assigned a differant mpcc_id into acquire_post_bldn_3dlut*/
127 		acquired_rmu = mpc->funcs->acquire_rmu(mpc, mpcc_id,
128 				stream->lut3d_func->state.bits.rmu_mux_num);
129 		if (acquired_rmu != stream->lut3d_func->state.bits.rmu_mux_num)
130 			BREAK_TO_DEBUGGER();
131 		result = mpc->funcs->program_3dlut(mpc,
132 								&stream->lut3d_func->lut_3d,
133 								stream->lut3d_func->state.bits.rmu_mux_num);
134 		result = mpc->funcs->program_shaper(mpc, shaper_lut,
135 				stream->lut3d_func->state.bits.rmu_mux_num);
136 	} else
137 		/*loop through the available mux and release the requested mpcc_id*/
138 		mpc->funcs->release_rmu(mpc, mpcc_id);
139 
140 
141 	return result;
142 }
143 
144 bool dcn30_set_input_transfer_func(struct dc *dc,
145 				struct pipe_ctx *pipe_ctx,
146 				const struct dc_plane_state *plane_state)
147 {
148 	struct dce_hwseq *hws = dc->hwseq;
149 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
150 	enum dc_transfer_func_predefined tf;
151 	bool result = true;
152 	struct pwl_params *params = NULL;
153 
154 	if (dpp_base == NULL || plane_state == NULL)
155 		return false;
156 
157 	tf = TRANSFER_FUNCTION_UNITY;
158 
159 	if (plane_state->in_transfer_func &&
160 		plane_state->in_transfer_func->type == TF_TYPE_PREDEFINED)
161 		tf = plane_state->in_transfer_func->tf;
162 
163 	dpp_base->funcs->dpp_set_pre_degam(dpp_base, tf);
164 
165 	if (plane_state->in_transfer_func) {
166 		if (plane_state->in_transfer_func->type == TF_TYPE_HWPWL)
167 			params = &plane_state->in_transfer_func->pwl;
168 		else if (plane_state->in_transfer_func->type == TF_TYPE_DISTRIBUTED_POINTS &&
169 			cm3_helper_translate_curve_to_hw_format(plane_state->in_transfer_func,
170 					&dpp_base->degamma_params, false))
171 			params = &dpp_base->degamma_params;
172 	}
173 
174 	result = dpp_base->funcs->dpp_program_gamcor_lut(dpp_base, params);
175 
176 	if (pipe_ctx->stream_res.opp && pipe_ctx->stream_res.opp->ctx) {
177 		if (dpp_base->funcs->dpp_program_blnd_lut)
178 			hws->funcs.set_blend_lut(pipe_ctx, plane_state);
179 		if (dpp_base->funcs->dpp_program_shaper_lut &&
180 				dpp_base->funcs->dpp_program_3dlut)
181 			hws->funcs.set_shaper_3dlut(pipe_ctx, plane_state);
182 	}
183 
184 	return result;
185 }
186 
187 bool dcn30_set_output_transfer_func(struct dc *dc,
188 				struct pipe_ctx *pipe_ctx,
189 				const struct dc_stream_state *stream)
190 {
191 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
192 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
193 	struct pwl_params *params = NULL;
194 	bool ret = false;
195 
196 	/* program OGAM or 3DLUT only for the top pipe*/
197 	if (pipe_ctx->top_pipe == NULL) {
198 		/*program rmu shaper and 3dlut in MPC*/
199 		ret = dcn30_set_mpc_shaper_3dlut(pipe_ctx, stream);
200 		if (ret == false && mpc->funcs->set_output_gamma && stream->out_transfer_func) {
201 			if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
202 				params = &stream->out_transfer_func->pwl;
203 			else if (pipe_ctx->stream->out_transfer_func->type ==
204 					TF_TYPE_DISTRIBUTED_POINTS &&
205 					cm3_helper_translate_curve_to_hw_format(
206 					stream->out_transfer_func,
207 					&mpc->blender_params, false))
208 				params = &mpc->blender_params;
209 			 /* there are no ROM LUTs in OUTGAM */
210 			if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
211 				BREAK_TO_DEBUGGER();
212 		}
213 	}
214 
215 	mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
216 	return ret;
217 }
218 
219 static void dcn30_set_writeback(
220 		struct dc *dc,
221 		struct dc_writeback_info *wb_info,
222 		struct dc_state *context)
223 {
224 	struct mcif_wb *mcif_wb;
225 	struct mcif_buf_params *mcif_buf_params;
226 
227 	ASSERT(wb_info->dwb_pipe_inst < MAX_DWB_PIPES);
228 	ASSERT(wb_info->wb_enabled);
229 	ASSERT(wb_info->mpcc_inst >= 0);
230 	ASSERT(wb_info->mpcc_inst < dc->res_pool->mpcc_count);
231 	mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
232 	mcif_buf_params = &wb_info->mcif_buf_params;
233 
234 	/* set DWB MPC mux */
235 	dc->res_pool->mpc->funcs->set_dwb_mux(dc->res_pool->mpc,
236 			wb_info->dwb_pipe_inst, wb_info->mpcc_inst);
237 	/* set MCIF_WB buffer and arbitration configuration */
238 	mcif_wb->funcs->config_mcif_buf(mcif_wb, mcif_buf_params, wb_info->dwb_params.dest_height);
239 	mcif_wb->funcs->config_mcif_arb(mcif_wb, &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[wb_info->dwb_pipe_inst]);
240 }
241 
242 void dcn30_update_writeback(
243 		struct dc *dc,
244 		struct dc_writeback_info *wb_info,
245 		struct dc_state *context)
246 {
247 	struct dwbc *dwb;
248 	dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
249 	DC_LOG_DWB("%s dwb_pipe_inst = %d, mpcc_inst = %d",\
250 		__func__, wb_info->dwb_pipe_inst,\
251 		wb_info->mpcc_inst);
252 
253 	dcn30_set_writeback(dc, wb_info, context);
254 
255 	/* update DWB */
256 	dwb->funcs->update(dwb, &wb_info->dwb_params);
257 }
258 
259 bool dcn30_mmhubbub_warmup(
260 	struct dc *dc,
261 	unsigned int num_dwb,
262 	struct dc_writeback_info *wb_info)
263 {
264 	struct dwbc *dwb;
265 	struct mcif_wb *mcif_wb;
266 	struct mcif_warmup_params warmup_params = {0};
267 	unsigned int  i, i_buf;
268 	/*make sure there is no active DWB eanbled */
269 	for (i = 0; i < num_dwb; i++) {
270 		dwb = dc->res_pool->dwbc[wb_info[i].dwb_pipe_inst];
271 		if (dwb->dwb_is_efc_transition || dwb->dwb_is_drc) {
272 			/*can not do warmup while any dwb enabled*/
273 			return false;
274 		}
275 	}
276 
277 	if (wb_info->mcif_warmup_params.p_vmid == 0)
278 		return false;
279 
280 	/*check whether this is new interface: warmup big buffer once*/
281 	if (wb_info->mcif_warmup_params.start_address.quad_part != 0 &&
282 		wb_info->mcif_warmup_params.region_size != 0) {
283 		/*mmhubbub is shared, so it does not matter which MCIF*/
284 		mcif_wb = dc->res_pool->mcif_wb[0];
285 		/*warmup a big chunk of VM buffer at once*/
286 		warmup_params.start_address.quad_part = wb_info->mcif_warmup_params.start_address.quad_part;
287 		warmup_params.address_increment =  wb_info->mcif_warmup_params.region_size;
288 		warmup_params.region_size = wb_info->mcif_warmup_params.region_size;
289 		warmup_params.p_vmid = wb_info->mcif_warmup_params.p_vmid;
290 
291 		if (warmup_params.address_increment == 0)
292 			warmup_params.address_increment = dc->dml.soc.vmm_page_size_bytes;
293 
294 		mcif_wb->funcs->warmup_mcif(mcif_wb, &warmup_params);
295 		return true;
296 	}
297 	/*following is the original: warmup each DWB's mcif buffer*/
298 	for (i = 0; i < num_dwb; i++) {
299 		dwb = dc->res_pool->dwbc[wb_info[i].dwb_pipe_inst];
300 		mcif_wb = dc->res_pool->mcif_wb[wb_info[i].dwb_pipe_inst];
301 		/*warmup is for VM mode only*/
302 		if (wb_info[i].mcif_buf_params.p_vmid == 0)
303 			return false;
304 
305 		/* Warmup MCIF_WB */
306 		for (i_buf = 0; i_buf < MCIF_BUF_COUNT; i_buf++) {
307 			warmup_params.start_address.quad_part = wb_info[i].mcif_buf_params.luma_address[i_buf];
308 			warmup_params.address_increment = dc->dml.soc.vmm_page_size_bytes;
309 			warmup_params.region_size = wb_info[i].mcif_buf_params.luma_pitch * wb_info[i].dwb_params.dest_height;
310 			warmup_params.p_vmid = wb_info[i].mcif_buf_params.p_vmid;
311 			mcif_wb->funcs->warmup_mcif(mcif_wb, &warmup_params);
312 		}
313 	}
314 	return true;
315 }
316 
317 void dcn30_enable_writeback(
318 		struct dc *dc,
319 		struct dc_writeback_info *wb_info,
320 		struct dc_state *context)
321 {
322 	struct dwbc *dwb;
323 	struct mcif_wb *mcif_wb;
324 	struct timing_generator *optc;
325 
326 	dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
327 	mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
328 
329 	/* set the OPTC source mux */
330 	optc = dc->res_pool->timing_generators[dwb->otg_inst];
331 	DC_LOG_DWB("%s dwb_pipe_inst = %d, mpcc_inst = %d",\
332 		__func__, wb_info->dwb_pipe_inst,\
333 		wb_info->mpcc_inst);
334 	if (IS_DIAG_DC(dc->ctx->dce_environment)) {
335 		/*till diags switch to warmup interface*/
336 		dcn30_mmhubbub_warmup(dc, 1, wb_info);
337 	}
338 	/* Update writeback pipe */
339 	dcn30_set_writeback(dc, wb_info, context);
340 
341 	/* Enable MCIF_WB */
342 	mcif_wb->funcs->enable_mcif(mcif_wb);
343 	/* Enable DWB */
344 	dwb->funcs->enable(dwb, &wb_info->dwb_params);
345 }
346 
347 void dcn30_disable_writeback(
348 		struct dc *dc,
349 		unsigned int dwb_pipe_inst)
350 {
351 	struct dwbc *dwb;
352 	struct mcif_wb *mcif_wb;
353 
354 	ASSERT(dwb_pipe_inst < MAX_DWB_PIPES);
355 	dwb = dc->res_pool->dwbc[dwb_pipe_inst];
356 	mcif_wb = dc->res_pool->mcif_wb[dwb_pipe_inst];
357 	DC_LOG_DWB("%s dwb_pipe_inst = %d",\
358 		__func__, dwb_pipe_inst);
359 
360 	/* disable DWB */
361 	dwb->funcs->disable(dwb);
362 	/* disable MCIF */
363 	mcif_wb->funcs->disable_mcif(mcif_wb);
364 	/* disable MPC DWB mux */
365 	dc->res_pool->mpc->funcs->disable_dwb_mux(dc->res_pool->mpc, dwb_pipe_inst);
366 }
367 
368 void dcn30_program_all_writeback_pipes_in_tree(
369 		struct dc *dc,
370 		const struct dc_stream_state *stream,
371 		struct dc_state *context)
372 {
373 	struct dc_writeback_info wb_info;
374 	struct dwbc *dwb;
375 	struct dc_stream_status *stream_status = NULL;
376 	int i_wb, i_pipe, i_stream;
377 	DC_LOG_DWB("%s", __func__);
378 
379 	ASSERT(stream);
380 	for (i_stream = 0; i_stream < context->stream_count; i_stream++) {
381 		if (context->streams[i_stream] == stream) {
382 			stream_status = &context->stream_status[i_stream];
383 			break;
384 		}
385 	}
386 	ASSERT(stream_status);
387 
388 	ASSERT(stream->num_wb_info <= dc->res_pool->res_cap->num_dwb);
389 	/* For each writeback pipe */
390 	for (i_wb = 0; i_wb < stream->num_wb_info; i_wb++) {
391 
392 		/* copy writeback info to local non-const so mpcc_inst can be set */
393 		wb_info = stream->writeback_info[i_wb];
394 		if (wb_info.wb_enabled) {
395 
396 			/* get the MPCC instance for writeback_source_plane */
397 			wb_info.mpcc_inst = -1;
398 			for (i_pipe = 0; i_pipe < dc->res_pool->pipe_count; i_pipe++) {
399 				struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i_pipe];
400 
401 				if (!pipe_ctx->plane_state)
402 					continue;
403 
404 				if (pipe_ctx->plane_state == wb_info.writeback_source_plane) {
405 					wb_info.mpcc_inst = pipe_ctx->plane_res.mpcc_inst;
406 					break;
407 				}
408 			}
409 
410 			if (wb_info.mpcc_inst == -1) {
411 				/* Disable writeback pipe and disconnect from MPCC
412 				 * if source plane has been removed
413 				 */
414 				dc->hwss.disable_writeback(dc, wb_info.dwb_pipe_inst);
415 				continue;
416 			}
417 
418 			ASSERT(wb_info.dwb_pipe_inst < dc->res_pool->res_cap->num_dwb);
419 			dwb = dc->res_pool->dwbc[wb_info.dwb_pipe_inst];
420 			if (dwb->funcs->is_enabled(dwb)) {
421 				/* writeback pipe already enabled, only need to update */
422 				dc->hwss.update_writeback(dc, &wb_info, context);
423 			} else {
424 				/* Enable writeback pipe and connect to MPCC */
425 				dc->hwss.enable_writeback(dc, &wb_info, context);
426 			}
427 		} else {
428 			/* Disable writeback pipe and disconnect from MPCC */
429 			dc->hwss.disable_writeback(dc, wb_info.dwb_pipe_inst);
430 		}
431 	}
432 }
433 
434 void dcn30_init_hw(struct dc *dc)
435 {
436 	struct abm **abms = dc->res_pool->multiple_abms;
437 	struct dce_hwseq *hws = dc->hwseq;
438 	struct dc_bios *dcb = dc->ctx->dc_bios;
439 	struct resource_pool *res_pool = dc->res_pool;
440 	int i, j;
441 	int edp_num;
442 	uint32_t backlight = MAX_BACKLIGHT_LEVEL;
443 
444 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
445 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
446 
447 	// Initialize the dccg
448 	if (res_pool->dccg->funcs->dccg_init)
449 		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
450 
451 	if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
452 
453 		REG_WRITE(REFCLK_CNTL, 0);
454 		REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
455 		REG_WRITE(DIO_MEM_PWR_CTRL, 0);
456 
457 		if (!dc->debug.disable_clock_gate) {
458 			/* enable all DCN clock gating */
459 			REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
460 
461 			REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
462 
463 			REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
464 		}
465 
466 		//Enable ability to power gate / don't force power on permanently
467 		if (hws->funcs.enable_power_gating_plane)
468 			hws->funcs.enable_power_gating_plane(hws, true);
469 
470 		return;
471 	}
472 
473 	if (!dcb->funcs->is_accelerated_mode(dcb)) {
474 		hws->funcs.bios_golden_init(dc);
475 		hws->funcs.disable_vga(dc->hwseq);
476 	}
477 
478 	if (dc->debug.enable_mem_low_power.bits.dmcu) {
479 		// Force ERAM to shutdown if DMCU is not enabled
480 		if (dc->debug.disable_dmcu || dc->config.disable_dmcu) {
481 			REG_UPDATE(DMU_MEM_PWR_CNTL, DMCU_ERAM_MEM_PWR_FORCE, 3);
482 		}
483 	}
484 
485 	// Set default OPTC memory power states
486 	if (dc->debug.enable_mem_low_power.bits.optc) {
487 		// Shutdown when unassigned and light sleep in VBLANK
488 		REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
489 	}
490 
491 	if (dc->ctx->dc_bios->fw_info_valid) {
492 		res_pool->ref_clocks.xtalin_clock_inKhz =
493 				dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
494 
495 		if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
496 			if (res_pool->dccg && res_pool->hubbub) {
497 
498 				(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
499 						dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
500 						&res_pool->ref_clocks.dccg_ref_clock_inKhz);
501 
502 				(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
503 						res_pool->ref_clocks.dccg_ref_clock_inKhz,
504 						&res_pool->ref_clocks.dchub_ref_clock_inKhz);
505 			} else {
506 				// Not all ASICs have DCCG sw component
507 				res_pool->ref_clocks.dccg_ref_clock_inKhz =
508 						res_pool->ref_clocks.xtalin_clock_inKhz;
509 				res_pool->ref_clocks.dchub_ref_clock_inKhz =
510 						res_pool->ref_clocks.xtalin_clock_inKhz;
511 			}
512 		}
513 	} else
514 		ASSERT_CRITICAL(false);
515 
516 	for (i = 0; i < dc->link_count; i++) {
517 		/* Power up AND update implementation according to the
518 		 * required signal (which may be different from the
519 		 * default signal on connector).
520 		 */
521 		struct dc_link *link = dc->links[i];
522 
523 		link->link_enc->funcs->hw_init(link->link_enc);
524 
525 		/* Check for enabled DIG to identify enabled display */
526 		if (link->link_enc->funcs->is_dig_enabled &&
527 			link->link_enc->funcs->is_dig_enabled(link->link_enc))
528 			link->link_status.link_active = true;
529 	}
530 
531 	/* Power gate DSCs */
532 	for (i = 0; i < res_pool->res_cap->num_dsc; i++)
533 		if (hws->funcs.dsc_pg_control != NULL)
534 			hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false);
535 
536 	/* we want to turn off all dp displays before doing detection */
537 	if (dc->config.power_down_display_on_boot) {
538 		uint8_t dpcd_power_state = '\0';
539 		enum dc_status status = DC_ERROR_UNEXPECTED;
540 
541 		for (i = 0; i < dc->link_count; i++) {
542 			if (dc->links[i]->connector_signal != SIGNAL_TYPE_DISPLAY_PORT)
543 				continue;
544 			/* DP 2.0 states that LTTPR regs must be read first */
545 			dp_retrieve_lttpr_cap(dc->links[i]);
546 
547 			/* if any of the displays are lit up turn them off */
548 			status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
549 						     &dpcd_power_state, sizeof(dpcd_power_state));
550 			if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0) {
551 				/* blank dp stream before power off receiver*/
552 				if (dc->links[i]->link_enc->funcs->get_dig_frontend) {
553 					unsigned int fe;
554 
555 					fe = dc->links[i]->link_enc->funcs->get_dig_frontend(
556 										dc->links[i]->link_enc);
557 					if (fe == ENGINE_ID_UNKNOWN)
558 						continue;
559 
560 					for (j = 0; j < dc->res_pool->stream_enc_count; j++) {
561 						if (fe == dc->res_pool->stream_enc[j]->id) {
562 							dc->res_pool->stream_enc[j]->funcs->dp_blank(dc->links[i],
563 										dc->res_pool->stream_enc[j]);
564 							break;
565 						}
566 					}
567 				}
568 				dp_receiver_power_ctrl(dc->links[i], false);
569 			}
570 		}
571 	}
572 
573 	/* If taking control over from VBIOS, we may want to optimize our first
574 	 * mode set, so we need to skip powering down pipes until we know which
575 	 * pipes we want to use.
576 	 * Otherwise, if taking control is not possible, we need to power
577 	 * everything down.
578 	 */
579 	if (dcb->funcs->is_accelerated_mode(dcb) || dc->config.power_down_display_on_boot) {
580 		hws->funcs.init_pipes(dc, dc->current_state);
581 		if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
582 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
583 					!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
584 	}
585 
586 	/* In headless boot cases, DIG may be turned
587 	 * on which causes HW/SW discrepancies.
588 	 * To avoid this, power down hardware on boot
589 	 * if DIG is turned on and seamless boot not enabled
590 	 */
591 	if (dc->config.power_down_display_on_boot) {
592 		struct dc_link *edp_links[MAX_NUM_EDP];
593 		struct dc_link *edp_link = NULL;
594 
595 		get_edp_links(dc, edp_links, &edp_num);
596 		if (edp_num)
597 			edp_link = edp_links[0];
598 		if (edp_link && edp_link->link_enc->funcs->is_dig_enabled &&
599 				edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
600 				dc->hwss.edp_backlight_control &&
601 				dc->hwss.power_down &&
602 				dc->hwss.edp_power_control) {
603 			dc->hwss.edp_backlight_control(edp_link, false);
604 			dc->hwss.power_down(dc);
605 			dc->hwss.edp_power_control(edp_link, false);
606 		} else {
607 			for (i = 0; i < dc->link_count; i++) {
608 				struct dc_link *link = dc->links[i];
609 
610 				if (link->link_enc->funcs->is_dig_enabled &&
611 						link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
612 						dc->hwss.power_down) {
613 					dc->hwss.power_down(dc);
614 					break;
615 				}
616 
617 			}
618 		}
619 	}
620 
621 	for (i = 0; i < res_pool->audio_count; i++) {
622 		struct audio *audio = res_pool->audios[i];
623 
624 		audio->funcs->hw_init(audio);
625 	}
626 
627 	for (i = 0; i < dc->link_count; i++) {
628 		struct dc_link *link = dc->links[i];
629 
630 		if (link->panel_cntl)
631 			backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
632 	}
633 
634 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
635 		if (abms[i] != NULL)
636 			abms[i]->funcs->abm_init(abms[i], backlight);
637 	}
638 
639 	/* power AFMT HDMI memory TODO: may move to dis/en output save power*/
640 	REG_WRITE(DIO_MEM_PWR_CTRL, 0);
641 
642 	if (!dc->debug.disable_clock_gate) {
643 		/* enable all DCN clock gating */
644 		REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
645 
646 		REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
647 
648 		REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
649 	}
650 	if (hws->funcs.enable_power_gating_plane)
651 		hws->funcs.enable_power_gating_plane(dc->hwseq, true);
652 
653 	if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
654 		dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
655 
656 	if (dc->clk_mgr->funcs->notify_wm_ranges)
657 		dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
658 
659 	if (dc->clk_mgr->funcs->set_hard_max_memclk)
660 		dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
661 
662 	if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
663 		dc->res_pool->hubbub->funcs->force_pstate_change_control(
664 				dc->res_pool->hubbub, false, false);
665 	if (dc->res_pool->hubbub->funcs->init_crb)
666 		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
667 
668 }
669 
670 void dcn30_set_avmute(struct pipe_ctx *pipe_ctx, bool enable)
671 {
672 	if (pipe_ctx == NULL)
673 		return;
674 
675 	if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL)
676 		pipe_ctx->stream_res.stream_enc->funcs->set_avmute(
677 				pipe_ctx->stream_res.stream_enc,
678 				enable);
679 }
680 
681 void dcn30_update_info_frame(struct pipe_ctx *pipe_ctx)
682 {
683 	bool is_hdmi_tmds;
684 	bool is_dp;
685 
686 	ASSERT(pipe_ctx->stream);
687 
688 	if (pipe_ctx->stream_res.stream_enc == NULL)
689 		return;  /* this is not root pipe */
690 
691 	is_hdmi_tmds = dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal);
692 	is_dp = dc_is_dp_signal(pipe_ctx->stream->signal);
693 
694 	if (!is_hdmi_tmds && !is_dp)
695 		return;
696 
697 	if (is_hdmi_tmds)
698 		pipe_ctx->stream_res.stream_enc->funcs->update_hdmi_info_packets(
699 			pipe_ctx->stream_res.stream_enc,
700 			&pipe_ctx->stream_res.encoder_info_frame);
701 	else
702 		pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets(
703 			pipe_ctx->stream_res.stream_enc,
704 			&pipe_ctx->stream_res.encoder_info_frame);
705 }
706 
707 void dcn30_program_dmdata_engine(struct pipe_ctx *pipe_ctx)
708 {
709 	struct dc_stream_state    *stream     = pipe_ctx->stream;
710 	struct hubp               *hubp       = pipe_ctx->plane_res.hubp;
711 	bool                       enable     = false;
712 	struct stream_encoder     *stream_enc = pipe_ctx->stream_res.stream_enc;
713 	enum dynamic_metadata_mode mode       = dc_is_dp_signal(stream->signal)
714 							? dmdata_dp
715 							: dmdata_hdmi;
716 
717 	/* if using dynamic meta, don't set up generic infopackets */
718 	if (pipe_ctx->stream->dmdata_address.quad_part != 0) {
719 		pipe_ctx->stream_res.encoder_info_frame.hdrsmd.valid = false;
720 		enable = true;
721 	}
722 
723 	if (!hubp)
724 		return;
725 
726 	if (!stream_enc || !stream_enc->funcs->set_dynamic_metadata)
727 		return;
728 
729 	stream_enc->funcs->set_dynamic_metadata(stream_enc, enable,
730 							hubp->inst, mode);
731 }
732 
733 bool dcn30_apply_idle_power_optimizations(struct dc *dc, bool enable)
734 {
735 	union dmub_rb_cmd cmd;
736 	uint32_t tmr_delay = 0, tmr_scale = 0;
737 	struct dc_cursor_attributes cursor_attr;
738 	bool cursor_cache_enable = false;
739 	struct dc_stream_state *stream = NULL;
740 	struct dc_plane_state *plane = NULL;
741 
742 	if (!dc->ctx->dmub_srv)
743 		return false;
744 
745 	if (enable) {
746 		if (dc->current_state) {
747 			int i;
748 
749 			/* First, check no-memory-requests case */
750 			for (i = 0; i < dc->current_state->stream_count; i++) {
751 				if (dc->current_state->stream_status[i].plane_count)
752 					/* Fail eligibility on a visible stream */
753 					break;
754 			}
755 
756 			if (i == dc->current_state->stream_count) {
757 				/* Enable no-memory-requests case */
758 				memset(&cmd, 0, sizeof(cmd));
759 				cmd.mall.header.type = DMUB_CMD__MALL;
760 				cmd.mall.header.sub_type = DMUB_CMD__MALL_ACTION_NO_DF_REQ;
761 				cmd.mall.header.payload_bytes = sizeof(cmd.mall) - sizeof(cmd.mall.header);
762 
763 				dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
764 				dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
765 
766 				return true;
767 			}
768 
769 			stream = dc->current_state->streams[0];
770 			plane = (stream ? dc->current_state->stream_status[0].plane_states[0] : NULL);
771 
772 			if (stream && plane) {
773 				cursor_cache_enable = stream->cursor_position.enable &&
774 						plane->address.grph.cursor_cache_addr.quad_part;
775 				cursor_attr = stream->cursor_attributes;
776 			}
777 
778 			/*
779 			 * Second, check MALL eligibility
780 			 *
781 			 * single display only, single surface only, 8 and 16 bit formats only, no VM,
782 			 * do not use MALL for displays that support PSR as they use D0i3.2 in DMCUB FW
783 			 *
784 			 * TODO: When we implement multi-display, PSR displays will be allowed if there is
785 			 * a non-PSR display present, since in that case we can't do D0i3.2
786 			 */
787 			if (dc->current_state->stream_count == 1 &&
788 					stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED &&
789 					dc->current_state->stream_status[0].plane_count == 1 &&
790 					plane->format <= SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F &&
791 					plane->format >= SURFACE_PIXEL_FORMAT_GRPH_ARGB8888 &&
792 					plane->address.page_table_base.quad_part == 0 &&
793 					dc->hwss.does_plane_fit_in_mall &&
794 					dc->hwss.does_plane_fit_in_mall(dc, plane,
795 							cursor_cache_enable ? &cursor_attr : NULL)) {
796 				unsigned int v_total = stream->adjust.v_total_max ?
797 						stream->adjust.v_total_max : stream->timing.v_total;
798 				unsigned int refresh_hz = div_u64((unsigned long long) stream->timing.pix_clk_100hz *
799 						100LL, (v_total * stream->timing.h_total));
800 
801 				/*
802 				 * one frame time in microsec:
803 				 * Delay_Us = 1000000 / refresh
804 				 * dynamic_delay_us = 1000000 / refresh + 2 * stutter_period
805 				 *
806 				 * one frame time modified by 'additional timer percent' (p):
807 				 * Delay_Us_modified = dynamic_delay_us + dynamic_delay_us * p / 100
808 				 *                   = dynamic_delay_us * (1 + p / 100)
809 				 *                   = (1000000 / refresh + 2 * stutter_period) * (100 + p) / 100
810 				 *                   = (1000000 + 2 * stutter_period * refresh) * (100 + p) / (100 * refresh)
811 				 *
812 				 * formula for timer duration based on parameters, from regspec:
813 				 * dynamic_delay_us = 65.28 * (64 + MallFrameCacheTmrDly) * 2^MallFrameCacheTmrScale
814 				 *
815 				 * dynamic_delay_us / 65.28 = (64 + MallFrameCacheTmrDly) * 2^MallFrameCacheTmrScale
816 				 * (dynamic_delay_us / 65.28) / 2^MallFrameCacheTmrScale = 64 + MallFrameCacheTmrDly
817 				 * MallFrameCacheTmrDly = ((dynamic_delay_us / 65.28) / 2^MallFrameCacheTmrScale) - 64
818 				 *                      = (1000000 + 2 * stutter_period * refresh) * (100 + p) / (100 * refresh) / 65.28 / 2^MallFrameCacheTmrScale - 64
819 				 *                      = (1000000 + 2 * stutter_period * refresh) * (100 + p) / (refresh * 6528 * 2^MallFrameCacheTmrScale) - 64
820 				 *
821 				 * need to round up the result of the division before the subtraction
822 				 */
823 				unsigned int denom = refresh_hz * 6528;
824 				unsigned int stutter_period = dc->current_state->perf_params.stutter_period_us;
825 
826 				tmr_delay = div_u64(((1000000LL + 2 * stutter_period * refresh_hz) *
827 						(100LL + dc->debug.mall_additional_timer_percent) + denom - 1),
828 						denom) - 64LL;
829 
830 				/* In some cases the stutter period is really big (tiny modes) in these
831 				 * cases MALL cant be enabled, So skip these cases to avoid a ASSERT()
832 				 *
833 				 * We can check if stutter_period is more than 1/10th the frame time to
834 				 * consider if we can actually meet the range of hysteresis timer
835 				 */
836 				if (stutter_period > 100000/refresh_hz)
837 					return false;
838 
839 				/* scale should be increased until it fits into 6 bits */
840 				while (tmr_delay & ~0x3F) {
841 					tmr_scale++;
842 
843 					if (tmr_scale > 3) {
844 						/* Delay exceeds range of hysteresis timer */
845 						ASSERT(false);
846 						return false;
847 					}
848 
849 					denom *= 2;
850 					tmr_delay = div_u64(((1000000LL + 2 * stutter_period * refresh_hz) *
851 							(100LL + dc->debug.mall_additional_timer_percent) + denom - 1),
852 							denom) - 64LL;
853 				}
854 
855 				/* Copy HW cursor */
856 				if (cursor_cache_enable) {
857 					memset(&cmd, 0, sizeof(cmd));
858 					cmd.mall.header.type = DMUB_CMD__MALL;
859 					cmd.mall.header.sub_type = DMUB_CMD__MALL_ACTION_COPY_CURSOR;
860 					cmd.mall.header.payload_bytes =
861 							sizeof(cmd.mall) - sizeof(cmd.mall.header);
862 
863 					switch (cursor_attr.color_format) {
864 					case CURSOR_MODE_MONO:
865 						cmd.mall.cursor_bpp = 2;
866 						break;
867 					case CURSOR_MODE_COLOR_1BIT_AND:
868 					case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
869 					case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
870 						cmd.mall.cursor_bpp = 32;
871 						break;
872 
873 					case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED:
874 					case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED:
875 						cmd.mall.cursor_bpp = 64;
876 						break;
877 					}
878 
879 					cmd.mall.cursor_copy_src.quad_part = cursor_attr.address.quad_part;
880 					cmd.mall.cursor_copy_dst.quad_part =
881 							(plane->address.grph.cursor_cache_addr.quad_part + 2047) & ~2047;
882 					cmd.mall.cursor_width = cursor_attr.width;
883 					cmd.mall.cursor_height = cursor_attr.height;
884 					cmd.mall.cursor_pitch = cursor_attr.pitch;
885 
886 					dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
887 					dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
888 					dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
889 
890 					/* Use copied cursor, and it's okay to not switch back */
891 					cursor_attr.address.quad_part = cmd.mall.cursor_copy_dst.quad_part;
892 					dc_stream_set_cursor_attributes(stream, &cursor_attr);
893 				}
894 
895 				/* Enable MALL */
896 				memset(&cmd, 0, sizeof(cmd));
897 				cmd.mall.header.type = DMUB_CMD__MALL;
898 				cmd.mall.header.sub_type = DMUB_CMD__MALL_ACTION_ALLOW;
899 				cmd.mall.header.payload_bytes = sizeof(cmd.mall) - sizeof(cmd.mall.header);
900 				cmd.mall.tmr_delay = tmr_delay;
901 				cmd.mall.tmr_scale = tmr_scale;
902 				cmd.mall.debug_bits = dc->debug.mall_error_as_fatal;
903 
904 				dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
905 				dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
906 
907 				return true;
908 			}
909 		}
910 
911 		/* No applicable optimizations */
912 		return false;
913 	}
914 
915 	/* Disable MALL */
916 	memset(&cmd, 0, sizeof(cmd));
917 	cmd.mall.header.type = DMUB_CMD__MALL;
918 	cmd.mall.header.sub_type = DMUB_CMD__MALL_ACTION_DISALLOW;
919 	cmd.mall.header.payload_bytes =
920 		sizeof(cmd.mall) - sizeof(cmd.mall.header);
921 
922 	dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
923 	dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
924 	dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
925 
926 	return true;
927 }
928 
929 bool dcn30_does_plane_fit_in_mall(struct dc *dc, struct dc_plane_state *plane, struct dc_cursor_attributes *cursor_attr)
930 {
931 	// add meta size?
932 	unsigned int surface_size = plane->plane_size.surface_pitch * plane->plane_size.surface_size.height *
933 			(plane->format >= SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616 ? 8 : 4);
934 	unsigned int mall_size = dc->caps.mall_size_total;
935 	unsigned int cursor_size = 0;
936 
937 	if (dc->debug.mall_size_override)
938 		mall_size = 1024 * 1024 * dc->debug.mall_size_override;
939 
940 	if (cursor_attr) {
941 		cursor_size = dc->caps.max_cursor_size * dc->caps.max_cursor_size;
942 
943 		switch (cursor_attr->color_format) {
944 		case CURSOR_MODE_MONO:
945 			cursor_size /= 2;
946 			break;
947 		case CURSOR_MODE_COLOR_1BIT_AND:
948 		case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
949 		case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
950 			cursor_size *= 4;
951 			break;
952 
953 		case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED:
954 		case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED:
955 			cursor_size *= 8;
956 			break;
957 		}
958 	}
959 
960 	return (surface_size + cursor_size) < mall_size;
961 }
962 
963 void dcn30_hardware_release(struct dc *dc)
964 {
965 	/* if pstate unsupported, force it supported */
966 	if (!dc->clk_mgr->clks.p_state_change_support &&
967 			dc->res_pool->hubbub->funcs->force_pstate_change_control)
968 		dc->res_pool->hubbub->funcs->force_pstate_change_control(
969 				dc->res_pool->hubbub, true, true);
970 }
971 
972 void dcn30_set_disp_pattern_generator(const struct dc *dc,
973 		struct pipe_ctx *pipe_ctx,
974 		enum controller_dp_test_pattern test_pattern,
975 		enum controller_dp_color_space color_space,
976 		enum dc_color_depth color_depth,
977 		const struct tg_color *solid_color,
978 		int width, int height, int offset)
979 {
980 	struct stream_resource *stream_res = &pipe_ctx->stream_res;
981 	struct pipe_ctx *mpcc_pipe;
982 
983 	if (test_pattern != CONTROLLER_DP_TEST_PATTERN_VIDEOMODE) {
984 		pipe_ctx->vtp_locked = false;
985 		/* turning on DPG */
986 		stream_res->opp->funcs->opp_set_disp_pattern_generator(stream_res->opp, test_pattern, color_space,
987 				color_depth, solid_color, width, height, offset);
988 
989 		/* Defer hubp blank if tg is locked */
990 		if (stream_res->tg->funcs->is_tg_enabled(stream_res->tg)) {
991 			if (stream_res->tg->funcs->is_locked(stream_res->tg))
992 				pipe_ctx->vtp_locked = true;
993 			else {
994 				/* Blank HUBP to allow p-state during blank on all timings */
995 				pipe_ctx->plane_res.hubp->funcs->set_blank(pipe_ctx->plane_res.hubp, true);
996 
997 				for (mpcc_pipe = pipe_ctx->bottom_pipe; mpcc_pipe; mpcc_pipe = mpcc_pipe->bottom_pipe)
998 					mpcc_pipe->plane_res.hubp->funcs->set_blank(mpcc_pipe->plane_res.hubp, true);
999 			}
1000 		}
1001 	} else {
1002 		/* turning off DPG */
1003 		pipe_ctx->plane_res.hubp->funcs->set_blank(pipe_ctx->plane_res.hubp, false);
1004 		for (mpcc_pipe = pipe_ctx->bottom_pipe; mpcc_pipe; mpcc_pipe = mpcc_pipe->bottom_pipe)
1005 			mpcc_pipe->plane_res.hubp->funcs->set_blank(mpcc_pipe->plane_res.hubp, false);
1006 
1007 		stream_res->opp->funcs->opp_set_disp_pattern_generator(stream_res->opp, test_pattern, color_space,
1008 				color_depth, solid_color, width, height, offset);
1009 	}
1010 }
1011