Merge tag 'drm-misc-next-fixes-2020-05-27' of git://anongit.freedesktop.org/drm/drm...
[linux-2.6-block.git] / drivers / gpu / drm / amd / display / dc / core / dc_stream.c
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 void 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         stream->out_transfer_func->type = TF_TYPE_BYPASS;
122         stream->out_transfer_func->ctx = stream->ctx;
123
124         stream->stream_id = stream->ctx->dc_stream_id_count;
125         stream->ctx->dc_stream_id_count++;
126 }
127
128 static void dc_stream_destruct(struct dc_stream_state *stream)
129 {
130         dc_sink_release(stream->sink);
131         if (stream->out_transfer_func != NULL) {
132                 dc_transfer_func_release(stream->out_transfer_func);
133                 stream->out_transfer_func = NULL;
134         }
135 }
136
137 void dc_stream_retain(struct dc_stream_state *stream)
138 {
139         kref_get(&stream->refcount);
140 }
141
142 static void dc_stream_free(struct kref *kref)
143 {
144         struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);
145
146         dc_stream_destruct(stream);
147         kfree(stream);
148 }
149
150 void dc_stream_release(struct dc_stream_state *stream)
151 {
152         if (stream != NULL) {
153                 kref_put(&stream->refcount, dc_stream_free);
154         }
155 }
156
157 struct dc_stream_state *dc_create_stream_for_sink(
158                 struct dc_sink *sink)
159 {
160         struct dc_stream_state *stream;
161
162         if (sink == NULL)
163                 return NULL;
164
165         stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
166         if (stream == NULL)
167                 return NULL;
168
169         dc_stream_construct(stream, sink);
170
171         kref_init(&stream->refcount);
172
173         return stream;
174 }
175
176 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream)
177 {
178         struct dc_stream_state *new_stream;
179
180         new_stream = kmemdup(stream, sizeof(struct dc_stream_state), GFP_KERNEL);
181         if (!new_stream)
182                 return NULL;
183
184         if (new_stream->sink)
185                 dc_sink_retain(new_stream->sink);
186
187         if (new_stream->out_transfer_func)
188                 dc_transfer_func_retain(new_stream->out_transfer_func);
189
190         new_stream->stream_id = new_stream->ctx->dc_stream_id_count;
191         new_stream->ctx->dc_stream_id_count++;
192
193         kref_init(&new_stream->refcount);
194
195         return new_stream;
196 }
197
198 /**
199  * dc_stream_get_status_from_state - Get stream status from given dc state
200  * @state: DC state to find the stream status in
201  * @stream: The stream to get the stream status for
202  *
203  * The given stream is expected to exist in the given dc state. Otherwise, NULL
204  * will be returned.
205  */
206 struct dc_stream_status *dc_stream_get_status_from_state(
207         struct dc_state *state,
208         struct dc_stream_state *stream)
209 {
210         uint8_t i;
211
212         for (i = 0; i < state->stream_count; i++) {
213                 if (stream == state->streams[i])
214                         return &state->stream_status[i];
215         }
216
217         return NULL;
218 }
219
220 /**
221  * dc_stream_get_status() - Get current stream status of the given stream state
222  * @stream: The stream to get the stream status for.
223  *
224  * The given stream is expected to exist in dc->current_state. Otherwise, NULL
225  * will be returned.
226  */
227 struct dc_stream_status *dc_stream_get_status(
228         struct dc_stream_state *stream)
229 {
230         struct dc *dc = stream->ctx->dc;
231         return dc_stream_get_status_from_state(dc->current_state, stream);
232 }
233
234
235 /**
236  * dc_stream_set_cursor_attributes() - Update cursor attributes and set cursor surface address
237  */
238 bool dc_stream_set_cursor_attributes(
239         struct dc_stream_state *stream,
240         const struct dc_cursor_attributes *attributes)
241 {
242         int i;
243         struct dc  *dc;
244         struct resource_context *res_ctx;
245         struct pipe_ctx *pipe_to_program = NULL;
246
247         if (NULL == stream) {
248                 dm_error("DC: dc_stream is NULL!\n");
249                 return false;
250         }
251         if (NULL == attributes) {
252                 dm_error("DC: attributes is NULL!\n");
253                 return false;
254         }
255
256         if (attributes->address.quad_part == 0) {
257                 dm_output_to_console("DC: Cursor address is 0!\n");
258                 return false;
259         }
260
261         dc = stream->ctx->dc;
262         res_ctx = &dc->current_state->res_ctx;
263         stream->cursor_attributes = *attributes;
264
265         for (i = 0; i < MAX_PIPES; i++) {
266                 struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
267
268                 if (pipe_ctx->stream != stream)
269                         continue;
270
271                 if (!pipe_to_program) {
272                         pipe_to_program = pipe_ctx;
273                         dc->hwss.cursor_lock(dc, pipe_to_program, true);
274                 }
275
276                 dc->hwss.set_cursor_attribute(pipe_ctx);
277                 if (dc->hwss.set_cursor_sdr_white_level)
278                         dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
279         }
280
281         if (pipe_to_program)
282                 dc->hwss.cursor_lock(dc, pipe_to_program, false);
283
284         return true;
285 }
286
287 bool dc_stream_set_cursor_position(
288         struct dc_stream_state *stream,
289         const struct dc_cursor_position *position)
290 {
291         int i;
292         struct dc  *dc;
293         struct resource_context *res_ctx;
294         struct pipe_ctx *pipe_to_program = NULL;
295
296         if (NULL == stream) {
297                 dm_error("DC: dc_stream is NULL!\n");
298                 return false;
299         }
300
301         if (NULL == position) {
302                 dm_error("DC: cursor position is NULL!\n");
303                 return false;
304         }
305
306         dc = stream->ctx->dc;
307         res_ctx = &dc->current_state->res_ctx;
308         stream->cursor_position = *position;
309
310         for (i = 0; i < MAX_PIPES; i++) {
311                 struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
312
313                 if (pipe_ctx->stream != stream ||
314                                 (!pipe_ctx->plane_res.mi  && !pipe_ctx->plane_res.hubp) ||
315                                 !pipe_ctx->plane_state ||
316                                 (!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp) ||
317                                 (!pipe_ctx->plane_res.ipp && !pipe_ctx->plane_res.dpp))
318                         continue;
319
320                 if (!pipe_to_program) {
321                         pipe_to_program = pipe_ctx;
322                         dc->hwss.cursor_lock(dc, pipe_to_program, true);
323                 }
324
325                 dc->hwss.set_cursor_position(pipe_ctx);
326         }
327
328         if (pipe_to_program)
329                 dc->hwss.cursor_lock(dc, pipe_to_program, false);
330
331         return true;
332 }
333
334 bool dc_stream_add_writeback(struct dc *dc,
335                 struct dc_stream_state *stream,
336                 struct dc_writeback_info *wb_info)
337 {
338         bool isDrc = false;
339         int i = 0;
340         struct dwbc *dwb;
341
342         if (stream == NULL) {
343                 dm_error("DC: dc_stream is NULL!\n");
344                 return false;
345         }
346
347         if (wb_info == NULL) {
348                 dm_error("DC: dc_writeback_info is NULL!\n");
349                 return false;
350         }
351
352         if (wb_info->dwb_pipe_inst >= MAX_DWB_PIPES) {
353                 dm_error("DC: writeback pipe is invalid!\n");
354                 return false;
355         }
356
357         wb_info->dwb_params.out_transfer_func = stream->out_transfer_func;
358
359         dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
360         dwb->dwb_is_drc = false;
361
362         /* recalculate and apply DML parameters */
363
364         for (i = 0; i < stream->num_wb_info; i++) {
365                 /*dynamic update*/
366                 if (stream->writeback_info[i].wb_enabled &&
367                         stream->writeback_info[i].dwb_pipe_inst == wb_info->dwb_pipe_inst) {
368                         stream->writeback_info[i] = *wb_info;
369                         isDrc = true;
370                 }
371         }
372
373         if (!isDrc) {
374                 stream->writeback_info[stream->num_wb_info++] = *wb_info;
375         }
376
377         if (dc->hwss.enable_writeback) {
378                 struct dc_stream_status *stream_status = dc_stream_get_status(stream);
379                 struct dwbc *dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
380                 dwb->otg_inst = stream_status->primary_otg_inst;
381         }
382         if (IS_DIAG_DC(dc->ctx->dce_environment)) {
383                 if (!dc->hwss.update_bandwidth(dc, dc->current_state)) {
384                         dm_error("DC: update_bandwidth failed!\n");
385                         return false;
386                 }
387
388                 /* enable writeback */
389                 if (dc->hwss.enable_writeback) {
390                         struct dwbc *dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
391
392                         if (dwb->funcs->is_enabled(dwb)) {
393                                 /* writeback pipe already enabled, only need to update */
394                                 dc->hwss.update_writeback(dc, wb_info, dc->current_state);
395                         } else {
396                                 /* Enable writeback pipe from scratch*/
397                                 dc->hwss.enable_writeback(dc, wb_info, dc->current_state);
398                         }
399                 }
400         }
401         return true;
402 }
403
404 bool dc_stream_remove_writeback(struct dc *dc,
405                 struct dc_stream_state *stream,
406                 uint32_t dwb_pipe_inst)
407 {
408         int i = 0, j = 0;
409         if (stream == NULL) {
410                 dm_error("DC: dc_stream is NULL!\n");
411                 return false;
412         }
413
414         if (dwb_pipe_inst >= MAX_DWB_PIPES) {
415                 dm_error("DC: writeback pipe is invalid!\n");
416                 return false;
417         }
418
419 //      stream->writeback_info[dwb_pipe_inst].wb_enabled = false;
420         for (i = 0; i < stream->num_wb_info; i++) {
421                 /*dynamic update*/
422                 if (stream->writeback_info[i].wb_enabled &&
423                         stream->writeback_info[i].dwb_pipe_inst == dwb_pipe_inst) {
424                         stream->writeback_info[i].wb_enabled = false;
425                 }
426         }
427
428         /* remove writeback info for disabled writeback pipes from stream */
429         for (i = 0, j = 0; i < stream->num_wb_info; i++) {
430                 if (stream->writeback_info[i].wb_enabled) {
431                         if (i != j)
432                                 /* trim the array */
433                                 stream->writeback_info[j] = stream->writeback_info[i];
434                         j++;
435                 }
436         }
437         stream->num_wb_info = j;
438
439         if (IS_DIAG_DC(dc->ctx->dce_environment)) {
440                 /* recalculate and apply DML parameters */
441                 if (!dc->hwss.update_bandwidth(dc, dc->current_state)) {
442                         dm_error("DC: update_bandwidth failed!\n");
443                         return false;
444                 }
445
446                 /* disable writeback */
447                 if (dc->hwss.disable_writeback)
448                         dc->hwss.disable_writeback(dc, dwb_pipe_inst);
449         }
450         return true;
451 }
452
453 bool dc_stream_warmup_writeback(struct dc *dc,
454                 int num_dwb,
455                 struct dc_writeback_info *wb_info)
456 {
457         if (dc->hwss.mmhubbub_warmup)
458                 return dc->hwss.mmhubbub_warmup(dc, num_dwb, wb_info);
459         else
460                 return false;
461 }
462 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
463 {
464         uint8_t i;
465         struct dc  *dc = stream->ctx->dc;
466         struct resource_context *res_ctx =
467                 &dc->current_state->res_ctx;
468
469         for (i = 0; i < MAX_PIPES; i++) {
470                 struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
471
472                 if (res_ctx->pipe_ctx[i].stream != stream)
473                         continue;
474
475                 return tg->funcs->get_frame_count(tg);
476         }
477
478         return 0;
479 }
480
481 bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
482                 const uint8_t *custom_sdp_message,
483                 unsigned int sdp_message_size)
484 {
485         int i;
486         struct dc  *dc;
487         struct resource_context *res_ctx;
488
489         if (stream == NULL) {
490                 dm_error("DC: dc_stream is NULL!\n");
491                 return false;
492         }
493
494         dc = stream->ctx->dc;
495         res_ctx = &dc->current_state->res_ctx;
496
497         for (i = 0; i < MAX_PIPES; i++) {
498                 struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
499
500                 if (pipe_ctx->stream != stream)
501                         continue;
502
503                 if (dc->hwss.send_immediate_sdp_message != NULL)
504                         dc->hwss.send_immediate_sdp_message(pipe_ctx,
505                                                                 custom_sdp_message,
506                                                                 sdp_message_size);
507                 else
508                         DC_LOG_WARNING("%s:send_immediate_sdp_message not implemented on this ASIC\n",
509                         __func__);
510
511         }
512
513         return true;
514 }
515
516 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
517                                   uint32_t *v_blank_start,
518                                   uint32_t *v_blank_end,
519                                   uint32_t *h_position,
520                                   uint32_t *v_position)
521 {
522         uint8_t i;
523         bool ret = false;
524         struct dc  *dc = stream->ctx->dc;
525         struct resource_context *res_ctx =
526                 &dc->current_state->res_ctx;
527
528         for (i = 0; i < MAX_PIPES; i++) {
529                 struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
530
531                 if (res_ctx->pipe_ctx[i].stream != stream)
532                         continue;
533
534                 tg->funcs->get_scanoutpos(tg,
535                                           v_blank_start,
536                                           v_blank_end,
537                                           h_position,
538                                           v_position);
539
540                 ret = true;
541                 break;
542         }
543
544         return ret;
545 }
546
547 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream)
548 {
549         struct pipe_ctx *pipe = NULL;
550         int i;
551
552         if (!dc->hwss.dmdata_status_done)
553                 return false;
554
555         for (i = 0; i < MAX_PIPES; i++) {
556                 pipe = &dc->current_state->res_ctx.pipe_ctx[i];
557                 if (pipe->stream == stream)
558                         break;
559         }
560         /* Stream not found, by default we'll assume HUBP fetched dm data */
561         if (i == MAX_PIPES)
562                 return true;
563
564         return dc->hwss.dmdata_status_done(pipe);
565 }
566
567 bool dc_stream_set_dynamic_metadata(struct dc *dc,
568                 struct dc_stream_state *stream,
569                 struct dc_dmdata_attributes *attr)
570 {
571         struct pipe_ctx *pipe_ctx = NULL;
572         struct hubp *hubp;
573         int i;
574
575         /* Dynamic metadata is only supported on HDMI or DP */
576         if (!dc_is_hdmi_signal(stream->signal) && !dc_is_dp_signal(stream->signal))
577                 return false;
578
579         /* Check hardware support */
580         if (!dc->hwss.program_dmdata_engine)
581                 return false;
582
583         for (i = 0; i < MAX_PIPES; i++) {
584                 pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
585                 if (pipe_ctx->stream == stream)
586                         break;
587         }
588
589         if (i == MAX_PIPES)
590                 return false;
591
592         hubp = pipe_ctx->plane_res.hubp;
593         if (hubp == NULL)
594                 return false;
595
596         pipe_ctx->stream->dmdata_address = attr->address;
597
598         dc->hwss.program_dmdata_engine(pipe_ctx);
599
600         if (hubp->funcs->dmdata_set_attributes != NULL &&
601                         pipe_ctx->stream->dmdata_address.quad_part != 0) {
602                 hubp->funcs->dmdata_set_attributes(hubp, attr);
603         }
604
605         return true;
606 }
607
608 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
609 {
610         DC_LOG_DC(
611                         "core_stream 0x%p: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
612                         stream,
613                         stream->src.x,
614                         stream->src.y,
615                         stream->src.width,
616                         stream->src.height,
617                         stream->dst.x,
618                         stream->dst.y,
619                         stream->dst.width,
620                         stream->dst.height,
621                         stream->output_color_space);
622         DC_LOG_DC(
623                         "\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
624                         stream->timing.pix_clk_100hz / 10,
625                         stream->timing.h_total,
626                         stream->timing.v_total,
627                         stream->timing.pixel_encoding,
628                         stream->timing.display_color_depth);
629         DC_LOG_DC(
630                         "\tlink: %d\n",
631                         stream->link->link_index);
632 }