1 /*
2  * Copyright 2012-15 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 #include <linux/delay.h>
27 #include <linux/slab.h>
28 
29 #include "dm_services.h"
30 #include "basics/dc_common.h"
31 #include "dc.h"
32 #include "core_types.h"
33 #include "resource.h"
34 #include "ipp.h"
35 #include "timing_generator.h"
36 
37 #define DC_LOGGER dc->ctx->logger
38 
39 /*******************************************************************************
40  * Private functions
41  ******************************************************************************/
42 void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink)
43 {
44 	if (sink->sink_signal == SIGNAL_TYPE_NONE)
45 		stream->signal = stream->link->connector_signal;
46 	else
47 		stream->signal = sink->sink_signal;
48 
49 	if (dc_is_dvi_signal(stream->signal)) {
50 		if (stream->ctx->dc->caps.dual_link_dvi &&
51 			(stream->timing.pix_clk_100hz / 10) > TMDS_MAX_PIXEL_CLOCK &&
52 			sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
53 			stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;
54 		else
55 			stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
56 	}
57 }
58 
59 static bool dc_stream_construct(struct dc_stream_state *stream,
60 	struct dc_sink *dc_sink_data)
61 {
62 	uint32_t i = 0;
63 
64 	stream->sink = dc_sink_data;
65 	dc_sink_retain(dc_sink_data);
66 
67 	stream->ctx = dc_sink_data->ctx;
68 	stream->link = dc_sink_data->link;
69 	stream->sink_patches = dc_sink_data->edid_caps.panel_patch;
70 	stream->converter_disable_audio = dc_sink_data->converter_disable_audio;
71 	stream->qs_bit = dc_sink_data->edid_caps.qs_bit;
72 	stream->qy_bit = dc_sink_data->edid_caps.qy_bit;
73 
74 	/* Copy audio modes */
75 	/* TODO - Remove this translation */
76 	for (i = 0; i < (dc_sink_data->edid_caps.audio_mode_count); i++)
77 	{
78 		stream->audio_info.modes[i].channel_count = dc_sink_data->edid_caps.audio_modes[i].channel_count;
79 		stream->audio_info.modes[i].format_code = dc_sink_data->edid_caps.audio_modes[i].format_code;
80 		stream->audio_info.modes[i].sample_rates.all = dc_sink_data->edid_caps.audio_modes[i].sample_rate;
81 		stream->audio_info.modes[i].sample_size = dc_sink_data->edid_caps.audio_modes[i].sample_size;
82 	}
83 	stream->audio_info.mode_count = dc_sink_data->edid_caps.audio_mode_count;
84 	stream->audio_info.audio_latency = dc_sink_data->edid_caps.audio_latency;
85 	stream->audio_info.video_latency = dc_sink_data->edid_caps.video_latency;
86 	memmove(
87 		stream->audio_info.display_name,
88 		dc_sink_data->edid_caps.display_name,
89 		AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS);
90 	stream->audio_info.manufacture_id = dc_sink_data->edid_caps.manufacturer_id;
91 	stream->audio_info.product_id = dc_sink_data->edid_caps.product_id;
92 	stream->audio_info.flags.all = dc_sink_data->edid_caps.speaker_flags;
93 
94 	if (dc_sink_data->dc_container_id != NULL) {
95 		struct dc_container_id *dc_container_id = dc_sink_data->dc_container_id;
96 
97 		stream->audio_info.port_id[0] = dc_container_id->portId[0];
98 		stream->audio_info.port_id[1] = dc_container_id->portId[1];
99 	} else {
100 		/* TODO - WindowDM has implemented,
101 		other DMs need Unhardcode port_id */
102 		stream->audio_info.port_id[0] = 0x5558859e;
103 		stream->audio_info.port_id[1] = 0xd989449;
104 	}
105 
106 	/* EDID CAP translation for HDMI 2.0 */
107 	stream->timing.flags.LTE_340MCSC_SCRAMBLE = dc_sink_data->edid_caps.lte_340mcsc_scramble;
108 
109 	memset(&stream->timing.dsc_cfg, 0, sizeof(stream->timing.dsc_cfg));
110 	stream->timing.dsc_cfg.num_slices_h = 0;
111 	stream->timing.dsc_cfg.num_slices_v = 0;
112 	stream->timing.dsc_cfg.bits_per_pixel = 128;
113 	stream->timing.dsc_cfg.block_pred_enable = 1;
114 	stream->timing.dsc_cfg.linebuf_depth = 9;
115 	stream->timing.dsc_cfg.version_minor = 2;
116 	stream->timing.dsc_cfg.ycbcr422_simple = 0;
117 
118 	update_stream_signal(stream, dc_sink_data);
119 
120 	stream->out_transfer_func = dc_create_transfer_func();
121 	if (stream->out_transfer_func == NULL) {
122 		dc_sink_release(dc_sink_data);
123 		return false;
124 	}
125 	stream->out_transfer_func->type = TF_TYPE_BYPASS;
126 
127 	stream->stream_id = stream->ctx->dc_stream_id_count;
128 	stream->ctx->dc_stream_id_count++;
129 
130 	return true;
131 }
132 
133 static void dc_stream_destruct(struct dc_stream_state *stream)
134 {
135 	dc_sink_release(stream->sink);
136 	if (stream->out_transfer_func != NULL) {
137 		dc_transfer_func_release(stream->out_transfer_func);
138 		stream->out_transfer_func = NULL;
139 	}
140 }
141 
142 void dc_stream_retain(struct dc_stream_state *stream)
143 {
144 	kref_get(&stream->refcount);
145 }
146 
147 static void dc_stream_free(struct kref *kref)
148 {
149 	struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);
150 
151 	dc_stream_destruct(stream);
152 	kfree(stream);
153 }
154 
155 void dc_stream_release(struct dc_stream_state *stream)
156 {
157 	if (stream != NULL) {
158 		kref_put(&stream->refcount, dc_stream_free);
159 	}
160 }
161 
162 struct dc_stream_state *dc_create_stream_for_sink(
163 		struct dc_sink *sink)
164 {
165 	struct dc_stream_state *stream;
166 
167 	if (sink == NULL)
168 		return NULL;
169 
170 	stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
171 	if (stream == NULL)
172 		goto alloc_fail;
173 
174 	if (dc_stream_construct(stream, sink) == false)
175 		goto construct_fail;
176 
177 	kref_init(&stream->refcount);
178 
179 	return stream;
180 
181 construct_fail:
182 	kfree(stream);
183 
184 alloc_fail:
185 	return NULL;
186 }
187 
188 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream)
189 {
190 	struct dc_stream_state *new_stream;
191 
192 	new_stream = kmemdup(stream, sizeof(struct dc_stream_state), GFP_KERNEL);
193 	if (!new_stream)
194 		return NULL;
195 
196 	if (new_stream->sink)
197 		dc_sink_retain(new_stream->sink);
198 
199 	if (new_stream->out_transfer_func)
200 		dc_transfer_func_retain(new_stream->out_transfer_func);
201 
202 	new_stream->stream_id = new_stream->ctx->dc_stream_id_count;
203 	new_stream->ctx->dc_stream_id_count++;
204 
205 	/* If using dynamic encoder assignment, wait till stream committed to assign encoder. */
206 	if (new_stream->ctx->dc->res_pool->funcs->link_encs_assign)
207 		new_stream->link_enc = NULL;
208 
209 	kref_init(&new_stream->refcount);
210 
211 	return new_stream;
212 }
213 
214 /**
215  * dc_stream_get_status_from_state - Get stream status from given dc state
216  * @state: DC state to find the stream status in
217  * @stream: The stream to get the stream status for
218  *
219  * The given stream is expected to exist in the given dc state. Otherwise, NULL
220  * will be returned.
221  */
222 struct dc_stream_status *dc_stream_get_status_from_state(
223 	struct dc_state *state,
224 	struct dc_stream_state *stream)
225 {
226 	uint8_t i;
227 
228 	if (state == NULL)
229 		return NULL;
230 
231 	for (i = 0; i < state->stream_count; i++) {
232 		if (stream == state->streams[i])
233 			return &state->stream_status[i];
234 	}
235 
236 	return NULL;
237 }
238 
239 /**
240  * dc_stream_get_status() - Get current stream status of the given stream state
241  * @stream: The stream to get the stream status for.
242  *
243  * The given stream is expected to exist in dc->current_state. Otherwise, NULL
244  * will be returned.
245  */
246 struct dc_stream_status *dc_stream_get_status(
247 	struct dc_stream_state *stream)
248 {
249 	struct dc *dc = stream->ctx->dc;
250 	return dc_stream_get_status_from_state(dc->current_state, stream);
251 }
252 
253 static void program_cursor_attributes(
254 	struct dc *dc,
255 	struct dc_stream_state *stream,
256 	const struct dc_cursor_attributes *attributes)
257 {
258 	int i;
259 	struct resource_context *res_ctx;
260 	struct pipe_ctx *pipe_to_program = NULL;
261 
262 	if (!stream)
263 		return;
264 
265 	res_ctx = &dc->current_state->res_ctx;
266 
267 	for (i = 0; i < MAX_PIPES; i++) {
268 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
269 
270 		if (pipe_ctx->stream != stream)
271 			continue;
272 
273 		if (!pipe_to_program) {
274 			pipe_to_program = pipe_ctx;
275 			dc->hwss.cursor_lock(dc, pipe_to_program, true);
276 			if (pipe_to_program->next_odm_pipe)
277 				dc->hwss.cursor_lock(dc, pipe_to_program->next_odm_pipe, true);
278 		}
279 
280 		dc->hwss.set_cursor_attribute(pipe_ctx);
281 		if (dc->hwss.set_cursor_sdr_white_level)
282 			dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
283 	}
284 
285 	if (pipe_to_program) {
286 		dc->hwss.cursor_lock(dc, pipe_to_program, false);
287 		if (pipe_to_program->next_odm_pipe)
288 			dc->hwss.cursor_lock(dc, pipe_to_program->next_odm_pipe, false);
289 	}
290 }
291 
292 #ifndef TRIM_FSFT
293 /*
294  * dc_optimize_timing_for_fsft() - dc to optimize timing
295  */
296 bool dc_optimize_timing_for_fsft(
297 	struct dc_stream_state *pStream,
298 	unsigned int max_input_rate_in_khz)
299 {
300 	struct dc  *dc;
301 
302 	dc = pStream->ctx->dc;
303 
304 	return (dc->hwss.optimize_timing_for_fsft &&
305 		dc->hwss.optimize_timing_for_fsft(dc, &pStream->timing, max_input_rate_in_khz));
306 }
307 #endif
308 
309 /*
310  * dc_stream_set_cursor_attributes() - Update cursor attributes and set cursor surface address
311  */
312 bool dc_stream_set_cursor_attributes(
313 	struct dc_stream_state *stream,
314 	const struct dc_cursor_attributes *attributes)
315 {
316 	struct dc  *dc;
317 	bool reset_idle_optimizations = false;
318 
319 	if (NULL == stream) {
320 		dm_error("DC: dc_stream is NULL!\n");
321 		return false;
322 	}
323 	if (NULL == attributes) {
324 		dm_error("DC: attributes is NULL!\n");
325 		return false;
326 	}
327 
328 	if (attributes->address.quad_part == 0) {
329 		dm_output_to_console("DC: Cursor address is 0!\n");
330 		return false;
331 	}
332 
333 	dc = stream->ctx->dc;
334 	stream->cursor_attributes = *attributes;
335 
336 	dc_z10_restore(dc);
337 	/* disable idle optimizations while updating cursor */
338 	if (dc->idle_optimizations_allowed) {
339 		dc_allow_idle_optimizations(dc, false);
340 		reset_idle_optimizations = true;
341 	}
342 
343 	program_cursor_attributes(dc, stream, attributes);
344 
345 	/* re-enable idle optimizations if necessary */
346 	if (reset_idle_optimizations)
347 		dc_allow_idle_optimizations(dc, true);
348 
349 	return true;
350 }
351 
352 static void program_cursor_position(
353 	struct dc *dc,
354 	struct dc_stream_state *stream,
355 	const struct dc_cursor_position *position)
356 {
357 	int i;
358 	struct resource_context *res_ctx;
359 	struct pipe_ctx *pipe_to_program = NULL;
360 
361 	if (!stream)
362 		return;
363 
364 	res_ctx = &dc->current_state->res_ctx;
365 
366 	for (i = 0; i < MAX_PIPES; i++) {
367 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
368 
369 		if (pipe_ctx->stream != stream ||
370 				(!pipe_ctx->plane_res.mi  && !pipe_ctx->plane_res.hubp) ||
371 				!pipe_ctx->plane_state ||
372 				(!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp) ||
373 				(!pipe_ctx->plane_res.ipp && !pipe_ctx->plane_res.dpp))
374 			continue;
375 
376 		if (!pipe_to_program) {
377 			pipe_to_program = pipe_ctx;
378 			dc->hwss.cursor_lock(dc, pipe_to_program, true);
379 		}
380 
381 		dc->hwss.set_cursor_position(pipe_ctx);
382 	}
383 
384 	if (pipe_to_program)
385 		dc->hwss.cursor_lock(dc, pipe_to_program, false);
386 }
387 
388 bool dc_stream_set_cursor_position(
389 	struct dc_stream_state *stream,
390 	const struct dc_cursor_position *position)
391 {
392 	struct dc  *dc;
393 	bool reset_idle_optimizations = false;
394 
395 	if (NULL == stream) {
396 		dm_error("DC: dc_stream is NULL!\n");
397 		return false;
398 	}
399 
400 	if (NULL == position) {
401 		dm_error("DC: cursor position is NULL!\n");
402 		return false;
403 	}
404 
405 	dc = stream->ctx->dc;
406 	dc_z10_restore(dc);
407 
408 	/* disable idle optimizations if enabling cursor */
409 	if (dc->idle_optimizations_allowed && !stream->cursor_position.enable && position->enable) {
410 		dc_allow_idle_optimizations(dc, false);
411 		reset_idle_optimizations = true;
412 	}
413 
414 	stream->cursor_position = *position;
415 
416 	program_cursor_position(dc, stream, position);
417 	/* re-enable idle optimizations if necessary */
418 	if (reset_idle_optimizations)
419 		dc_allow_idle_optimizations(dc, true);
420 
421 	return true;
422 }
423 
424 bool dc_stream_add_writeback(struct dc *dc,
425 		struct dc_stream_state *stream,
426 		struct dc_writeback_info *wb_info)
427 {
428 	bool isDrc = false;
429 	int i = 0;
430 	struct dwbc *dwb;
431 
432 	if (stream == NULL) {
433 		dm_error("DC: dc_stream is NULL!\n");
434 		return false;
435 	}
436 
437 	if (wb_info == NULL) {
438 		dm_error("DC: dc_writeback_info is NULL!\n");
439 		return false;
440 	}
441 
442 	if (wb_info->dwb_pipe_inst >= MAX_DWB_PIPES) {
443 		dm_error("DC: writeback pipe is invalid!\n");
444 		return false;
445 	}
446 
447 	wb_info->dwb_params.out_transfer_func = stream->out_transfer_func;
448 
449 	dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
450 	dwb->dwb_is_drc = false;
451 
452 	/* recalculate and apply DML parameters */
453 
454 	for (i = 0; i < stream->num_wb_info; i++) {
455 		/*dynamic update*/
456 		if (stream->writeback_info[i].wb_enabled &&
457 			stream->writeback_info[i].dwb_pipe_inst == wb_info->dwb_pipe_inst) {
458 			stream->writeback_info[i] = *wb_info;
459 			isDrc = true;
460 		}
461 	}
462 
463 	if (!isDrc) {
464 		stream->writeback_info[stream->num_wb_info++] = *wb_info;
465 	}
466 
467 	if (dc->hwss.enable_writeback) {
468 		struct dc_stream_status *stream_status = dc_stream_get_status(stream);
469 		struct dwbc *dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
470 		dwb->otg_inst = stream_status->primary_otg_inst;
471 	}
472 	if (IS_DIAG_DC(dc->ctx->dce_environment)) {
473 		if (!dc->hwss.update_bandwidth(dc, dc->current_state)) {
474 			dm_error("DC: update_bandwidth failed!\n");
475 			return false;
476 		}
477 
478 		/* enable writeback */
479 		if (dc->hwss.enable_writeback) {
480 			struct dwbc *dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
481 
482 			if (dwb->funcs->is_enabled(dwb)) {
483 				/* writeback pipe already enabled, only need to update */
484 				dc->hwss.update_writeback(dc, wb_info, dc->current_state);
485 			} else {
486 				/* Enable writeback pipe from scratch*/
487 				dc->hwss.enable_writeback(dc, wb_info, dc->current_state);
488 			}
489 		}
490 	}
491 	return true;
492 }
493 
494 bool dc_stream_remove_writeback(struct dc *dc,
495 		struct dc_stream_state *stream,
496 		uint32_t dwb_pipe_inst)
497 {
498 	int i = 0, j = 0;
499 	if (stream == NULL) {
500 		dm_error("DC: dc_stream is NULL!\n");
501 		return false;
502 	}
503 
504 	if (dwb_pipe_inst >= MAX_DWB_PIPES) {
505 		dm_error("DC: writeback pipe is invalid!\n");
506 		return false;
507 	}
508 
509 //	stream->writeback_info[dwb_pipe_inst].wb_enabled = false;
510 	for (i = 0; i < stream->num_wb_info; i++) {
511 		/*dynamic update*/
512 		if (stream->writeback_info[i].wb_enabled &&
513 			stream->writeback_info[i].dwb_pipe_inst == dwb_pipe_inst) {
514 			stream->writeback_info[i].wb_enabled = false;
515 		}
516 	}
517 
518 	/* remove writeback info for disabled writeback pipes from stream */
519 	for (i = 0, j = 0; i < stream->num_wb_info; i++) {
520 		if (stream->writeback_info[i].wb_enabled) {
521 			if (i != j)
522 				/* trim the array */
523 				stream->writeback_info[j] = stream->writeback_info[i];
524 			j++;
525 		}
526 	}
527 	stream->num_wb_info = j;
528 
529 	if (IS_DIAG_DC(dc->ctx->dce_environment)) {
530 		/* recalculate and apply DML parameters */
531 		if (!dc->hwss.update_bandwidth(dc, dc->current_state)) {
532 			dm_error("DC: update_bandwidth failed!\n");
533 			return false;
534 		}
535 
536 		/* disable writeback */
537 		if (dc->hwss.disable_writeback)
538 			dc->hwss.disable_writeback(dc, dwb_pipe_inst);
539 	}
540 	return true;
541 }
542 
543 bool dc_stream_warmup_writeback(struct dc *dc,
544 		int num_dwb,
545 		struct dc_writeback_info *wb_info)
546 {
547 	if (dc->hwss.mmhubbub_warmup)
548 		return dc->hwss.mmhubbub_warmup(dc, num_dwb, wb_info);
549 	else
550 		return false;
551 }
552 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
553 {
554 	uint8_t i;
555 	struct dc  *dc = stream->ctx->dc;
556 	struct resource_context *res_ctx =
557 		&dc->current_state->res_ctx;
558 
559 	for (i = 0; i < MAX_PIPES; i++) {
560 		struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
561 
562 		if (res_ctx->pipe_ctx[i].stream != stream)
563 			continue;
564 
565 		return tg->funcs->get_frame_count(tg);
566 	}
567 
568 	return 0;
569 }
570 
571 bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
572 		const uint8_t *custom_sdp_message,
573 		unsigned int sdp_message_size)
574 {
575 	int i;
576 	struct dc  *dc;
577 	struct resource_context *res_ctx;
578 
579 	if (stream == NULL) {
580 		dm_error("DC: dc_stream is NULL!\n");
581 		return false;
582 	}
583 
584 	dc = stream->ctx->dc;
585 	res_ctx = &dc->current_state->res_ctx;
586 
587 	for (i = 0; i < MAX_PIPES; i++) {
588 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
589 
590 		if (pipe_ctx->stream != stream)
591 			continue;
592 
593 		if (dc->hwss.send_immediate_sdp_message != NULL)
594 			dc->hwss.send_immediate_sdp_message(pipe_ctx,
595 								custom_sdp_message,
596 								sdp_message_size);
597 		else
598 			DC_LOG_WARNING("%s:send_immediate_sdp_message not implemented on this ASIC\n",
599 			__func__);
600 
601 	}
602 
603 	return true;
604 }
605 
606 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
607 				  uint32_t *v_blank_start,
608 				  uint32_t *v_blank_end,
609 				  uint32_t *h_position,
610 				  uint32_t *v_position)
611 {
612 	uint8_t i;
613 	bool ret = false;
614 	struct dc  *dc = stream->ctx->dc;
615 	struct resource_context *res_ctx =
616 		&dc->current_state->res_ctx;
617 
618 	for (i = 0; i < MAX_PIPES; i++) {
619 		struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
620 
621 		if (res_ctx->pipe_ctx[i].stream != stream)
622 			continue;
623 
624 		tg->funcs->get_scanoutpos(tg,
625 					  v_blank_start,
626 					  v_blank_end,
627 					  h_position,
628 					  v_position);
629 
630 		ret = true;
631 		break;
632 	}
633 
634 	return ret;
635 }
636 
637 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream)
638 {
639 	struct pipe_ctx *pipe = NULL;
640 	int i;
641 
642 	if (!dc->hwss.dmdata_status_done)
643 		return false;
644 
645 	for (i = 0; i < MAX_PIPES; i++) {
646 		pipe = &dc->current_state->res_ctx.pipe_ctx[i];
647 		if (pipe->stream == stream)
648 			break;
649 	}
650 	/* Stream not found, by default we'll assume HUBP fetched dm data */
651 	if (i == MAX_PIPES)
652 		return true;
653 
654 	return dc->hwss.dmdata_status_done(pipe);
655 }
656 
657 bool dc_stream_set_dynamic_metadata(struct dc *dc,
658 		struct dc_stream_state *stream,
659 		struct dc_dmdata_attributes *attr)
660 {
661 	struct pipe_ctx *pipe_ctx = NULL;
662 	struct hubp *hubp;
663 	int i;
664 
665 	/* Dynamic metadata is only supported on HDMI or DP */
666 	if (!dc_is_hdmi_signal(stream->signal) && !dc_is_dp_signal(stream->signal))
667 		return false;
668 
669 	/* Check hardware support */
670 	if (!dc->hwss.program_dmdata_engine)
671 		return false;
672 
673 	for (i = 0; i < MAX_PIPES; i++) {
674 		pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
675 		if (pipe_ctx->stream == stream)
676 			break;
677 	}
678 
679 	if (i == MAX_PIPES)
680 		return false;
681 
682 	hubp = pipe_ctx->plane_res.hubp;
683 	if (hubp == NULL)
684 		return false;
685 
686 	pipe_ctx->stream->dmdata_address = attr->address;
687 
688 	dc->hwss.program_dmdata_engine(pipe_ctx);
689 
690 	if (hubp->funcs->dmdata_set_attributes != NULL &&
691 			pipe_ctx->stream->dmdata_address.quad_part != 0) {
692 		hubp->funcs->dmdata_set_attributes(hubp, attr);
693 	}
694 
695 	return true;
696 }
697 
698 enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
699 		struct dc_state *state,
700 		struct dc_stream_state *stream)
701 {
702 	if (dc->res_pool->funcs->add_dsc_to_stream_resource) {
703 		return dc->res_pool->funcs->add_dsc_to_stream_resource(dc, state, stream);
704 	} else {
705 		return DC_NO_DSC_RESOURCE;
706 	}
707 }
708 
709 struct pipe_ctx *dc_stream_get_pipe_ctx(struct dc_stream_state *stream)
710 {
711 	int i = 0;
712 
713 	for (i = 0; i < MAX_PIPES; i++) {
714 		struct pipe_ctx *pipe = &stream->ctx->dc->current_state->res_ctx.pipe_ctx[i];
715 
716 		if (pipe->stream == stream)
717 			return pipe;
718 	}
719 
720 	return NULL;
721 }
722 
723 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
724 {
725 	DC_LOG_DC(
726 			"core_stream 0x%p: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
727 			stream,
728 			stream->src.x,
729 			stream->src.y,
730 			stream->src.width,
731 			stream->src.height,
732 			stream->dst.x,
733 			stream->dst.y,
734 			stream->dst.width,
735 			stream->dst.height,
736 			stream->output_color_space);
737 	DC_LOG_DC(
738 			"\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
739 			stream->timing.pix_clk_100hz / 10,
740 			stream->timing.h_total,
741 			stream->timing.v_total,
742 			stream->timing.pixel_encoding,
743 			stream->timing.display_color_depth);
744 	DC_LOG_DC(
745 			"\tlink: %d\n",
746 			stream->link->link_index);
747 
748 	DC_LOG_DC(
749 			"\tdsc: %d, mst_pbn: %d\n",
750 			stream->timing.flags.DSC,
751 			stream->timing.dsc_cfg.mst_pbn);
752 
753 	if (stream->sink) {
754 		if (stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL &&
755 			stream->sink->sink_signal != SIGNAL_TYPE_NONE) {
756 
757 			DC_LOG_DC(
758 					"\tdispname: %s signal: %x\n",
759 					stream->sink->edid_caps.display_name,
760 					stream->signal);
761 		}
762 	}
763 }
764 
765