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