2 * Copyright 2012-15 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
26 #include <linux/delay.h>
27 #include <linux/slab.h>
29 #include "dm_services.h"
30 #include "basics/dc_common.h"
32 #include "core_types.h"
35 #include "timing_generator.h"
37 #define DC_LOGGER dc->ctx->logger
39 /*******************************************************************************
41 ******************************************************************************/
42 void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink)
44 if (sink->sink_signal == SIGNAL_TYPE_NONE)
45 stream->signal = stream->link->connector_signal;
47 stream->signal = sink->sink_signal;
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;
55 stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
59 static void dc_stream_construct(struct dc_stream_state *stream,
60 struct dc_sink *dc_sink_data)
64 stream->sink = dc_sink_data;
65 dc_sink_retain(dc_sink_data);
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;
74 /* Copy audio modes */
75 /* TODO - Remove this translation */
76 for (i = 0; i < (dc_sink_data->edid_caps.audio_mode_count); i++)
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;
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;
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;
94 if (dc_sink_data->dc_container_id != NULL) {
95 struct dc_container_id *dc_container_id = dc_sink_data->dc_container_id;
97 stream->audio_info.port_id[0] = dc_container_id->portId[0];
98 stream->audio_info.port_id[1] = dc_container_id->portId[1];
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;
106 /* EDID CAP translation for HDMI 2.0 */
107 stream->timing.flags.LTE_340MCSC_SCRAMBLE = dc_sink_data->edid_caps.lte_340mcsc_scramble;
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;
118 update_stream_signal(stream, dc_sink_data);
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;
124 stream->stream_id = stream->ctx->dc_stream_id_count;
125 stream->ctx->dc_stream_id_count++;
128 static void dc_stream_destruct(struct dc_stream_state *stream)
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;
137 void dc_stream_retain(struct dc_stream_state *stream)
139 kref_get(&stream->refcount);
142 static void dc_stream_free(struct kref *kref)
144 struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);
146 dc_stream_destruct(stream);
150 void dc_stream_release(struct dc_stream_state *stream)
152 if (stream != NULL) {
153 kref_put(&stream->refcount, dc_stream_free);
157 struct dc_stream_state *dc_create_stream_for_sink(
158 struct dc_sink *sink)
160 struct dc_stream_state *stream;
165 stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
169 dc_stream_construct(stream, sink);
171 kref_init(&stream->refcount);
176 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream)
178 struct dc_stream_state *new_stream;
180 new_stream = kmemdup(stream, sizeof(struct dc_stream_state), GFP_KERNEL);
184 if (new_stream->sink)
185 dc_sink_retain(new_stream->sink);
187 if (new_stream->out_transfer_func)
188 dc_transfer_func_retain(new_stream->out_transfer_func);
190 new_stream->stream_id = new_stream->ctx->dc_stream_id_count;
191 new_stream->ctx->dc_stream_id_count++;
193 kref_init(&new_stream->refcount);
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
203 * The given stream is expected to exist in the given dc state. Otherwise, NULL
206 struct dc_stream_status *dc_stream_get_status_from_state(
207 struct dc_state *state,
208 struct dc_stream_state *stream)
212 for (i = 0; i < state->stream_count; i++) {
213 if (stream == state->streams[i])
214 return &state->stream_status[i];
221 * dc_stream_get_status() - Get current stream status of the given stream state
222 * @stream: The stream to get the stream status for.
224 * The given stream is expected to exist in dc->current_state. Otherwise, NULL
227 struct dc_stream_status *dc_stream_get_status(
228 struct dc_stream_state *stream)
230 struct dc *dc = stream->ctx->dc;
231 return dc_stream_get_status_from_state(dc->current_state, stream);
236 * dc_stream_set_cursor_attributes() - Update cursor attributes and set cursor surface address
238 bool dc_stream_set_cursor_attributes(
239 struct dc_stream_state *stream,
240 const struct dc_cursor_attributes *attributes)
244 struct resource_context *res_ctx;
245 struct pipe_ctx *pipe_to_program = NULL;
247 if (NULL == stream) {
248 dm_error("DC: dc_stream is NULL!\n");
251 if (NULL == attributes) {
252 dm_error("DC: attributes is NULL!\n");
256 if (attributes->address.quad_part == 0) {
257 dm_output_to_console("DC: Cursor address is 0!\n");
261 dc = stream->ctx->dc;
262 res_ctx = &dc->current_state->res_ctx;
263 stream->cursor_attributes = *attributes;
265 for (i = 0; i < MAX_PIPES; i++) {
266 struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
268 if (pipe_ctx->stream != stream)
271 if (!pipe_to_program) {
272 pipe_to_program = pipe_ctx;
273 dc->hwss.cursor_lock(dc, pipe_to_program, true);
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);
282 dc->hwss.cursor_lock(dc, pipe_to_program, false);
287 bool dc_stream_set_cursor_position(
288 struct dc_stream_state *stream,
289 const struct dc_cursor_position *position)
293 struct resource_context *res_ctx;
294 struct pipe_ctx *pipe_to_program = NULL;
296 if (NULL == stream) {
297 dm_error("DC: dc_stream is NULL!\n");
301 if (NULL == position) {
302 dm_error("DC: cursor position is NULL!\n");
306 dc = stream->ctx->dc;
307 res_ctx = &dc->current_state->res_ctx;
308 stream->cursor_position = *position;
310 for (i = 0; i < MAX_PIPES; i++) {
311 struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
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))
320 if (!pipe_to_program) {
321 pipe_to_program = pipe_ctx;
322 dc->hwss.cursor_lock(dc, pipe_to_program, true);
325 dc->hwss.set_cursor_position(pipe_ctx);
329 dc->hwss.cursor_lock(dc, pipe_to_program, false);
334 bool dc_stream_add_writeback(struct dc *dc,
335 struct dc_stream_state *stream,
336 struct dc_writeback_info *wb_info)
342 if (stream == NULL) {
343 dm_error("DC: dc_stream is NULL!\n");
347 if (wb_info == NULL) {
348 dm_error("DC: dc_writeback_info is NULL!\n");
352 if (wb_info->dwb_pipe_inst >= MAX_DWB_PIPES) {
353 dm_error("DC: writeback pipe is invalid!\n");
357 wb_info->dwb_params.out_transfer_func = stream->out_transfer_func;
359 dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
360 dwb->dwb_is_drc = false;
362 /* recalculate and apply DML parameters */
364 for (i = 0; i < stream->num_wb_info; i++) {
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;
374 stream->writeback_info[stream->num_wb_info++] = *wb_info;
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;
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");
388 /* enable writeback */
389 if (dc->hwss.enable_writeback) {
390 struct dwbc *dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
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);
396 /* Enable writeback pipe from scratch*/
397 dc->hwss.enable_writeback(dc, wb_info, dc->current_state);
404 bool dc_stream_remove_writeback(struct dc *dc,
405 struct dc_stream_state *stream,
406 uint32_t dwb_pipe_inst)
409 if (stream == NULL) {
410 dm_error("DC: dc_stream is NULL!\n");
414 if (dwb_pipe_inst >= MAX_DWB_PIPES) {
415 dm_error("DC: writeback pipe is invalid!\n");
419 // stream->writeback_info[dwb_pipe_inst].wb_enabled = false;
420 for (i = 0; i < stream->num_wb_info; i++) {
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;
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) {
433 stream->writeback_info[j] = stream->writeback_info[i];
437 stream->num_wb_info = j;
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");
446 /* disable writeback */
447 if (dc->hwss.disable_writeback)
448 dc->hwss.disable_writeback(dc, dwb_pipe_inst);
453 bool dc_stream_warmup_writeback(struct dc *dc,
455 struct dc_writeback_info *wb_info)
457 if (dc->hwss.mmhubbub_warmup)
458 return dc->hwss.mmhubbub_warmup(dc, num_dwb, wb_info);
462 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
465 struct dc *dc = stream->ctx->dc;
466 struct resource_context *res_ctx =
467 &dc->current_state->res_ctx;
469 for (i = 0; i < MAX_PIPES; i++) {
470 struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
472 if (res_ctx->pipe_ctx[i].stream != stream)
475 return tg->funcs->get_frame_count(tg);
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)
487 struct resource_context *res_ctx;
489 if (stream == NULL) {
490 dm_error("DC: dc_stream is NULL!\n");
494 dc = stream->ctx->dc;
495 res_ctx = &dc->current_state->res_ctx;
497 for (i = 0; i < MAX_PIPES; i++) {
498 struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
500 if (pipe_ctx->stream != stream)
503 if (dc->hwss.send_immediate_sdp_message != NULL)
504 dc->hwss.send_immediate_sdp_message(pipe_ctx,
508 DC_LOG_WARNING("%s:send_immediate_sdp_message not implemented on this ASIC\n",
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)
524 struct dc *dc = stream->ctx->dc;
525 struct resource_context *res_ctx =
526 &dc->current_state->res_ctx;
528 for (i = 0; i < MAX_PIPES; i++) {
529 struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
531 if (res_ctx->pipe_ctx[i].stream != stream)
534 tg->funcs->get_scanoutpos(tg,
547 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream)
549 struct pipe_ctx *pipe = NULL;
552 if (!dc->hwss.dmdata_status_done)
555 for (i = 0; i < MAX_PIPES; i++) {
556 pipe = &dc->current_state->res_ctx.pipe_ctx[i];
557 if (pipe->stream == stream)
560 /* Stream not found, by default we'll assume HUBP fetched dm data */
564 return dc->hwss.dmdata_status_done(pipe);
567 bool dc_stream_set_dynamic_metadata(struct dc *dc,
568 struct dc_stream_state *stream,
569 struct dc_dmdata_attributes *attr)
571 struct pipe_ctx *pipe_ctx = NULL;
575 /* Dynamic metadata is only supported on HDMI or DP */
576 if (!dc_is_hdmi_signal(stream->signal) && !dc_is_dp_signal(stream->signal))
579 /* Check hardware support */
580 if (!dc->hwss.program_dmdata_engine)
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)
592 hubp = pipe_ctx->plane_res.hubp;
596 pipe_ctx->stream->dmdata_address = attr->address;
598 dc->hwss.program_dmdata_engine(pipe_ctx);
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);
608 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
611 "core_stream 0x%p: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
621 stream->output_color_space);
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);
631 stream->link->link_index);