xref: /dragonfly/sys/dev/drm/amd/display/dc/core/dc_stream.c (revision b843c749addef9340ee7d4e250b09fdd492602a1)
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 "dm_services.h"
27 #include "dc.h"
28 #include "core_types.h"
29 #include "resource.h"
30 #include "ipp.h"
31 #include "timing_generator.h"
32 
33 #define DC_LOGGER dc->ctx->logger
34 
35 /*******************************************************************************
36  * Private functions
37  ******************************************************************************/
update_stream_signal(struct dc_stream_state * stream)38 void update_stream_signal(struct dc_stream_state *stream)
39 {
40 
41           struct dc_sink *dc_sink = stream->sink;
42 
43           if (dc_sink->sink_signal == SIGNAL_TYPE_NONE)
44                     stream->signal = stream->sink->link->connector_signal;
45           else
46                     stream->signal = dc_sink->sink_signal;
47 
48           if (dc_is_dvi_signal(stream->signal)) {
49                     if (stream->ctx->dc->caps.dual_link_dvi &&
50                         stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK &&
51                         stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
52                               stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;
53                     else
54                               stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
55           }
56 }
57 
construct(struct dc_stream_state * stream,struct dc_sink * dc_sink_data)58 static void construct(struct dc_stream_state *stream,
59           struct dc_sink *dc_sink_data)
60 {
61           uint32_t i = 0;
62 
63           stream->sink = dc_sink_data;
64           stream->ctx = stream->sink->ctx;
65 
66           dc_sink_retain(dc_sink_data);
67 
68           /* Copy audio modes */
69           /* TODO - Remove this translation */
70           for (i = 0; i < (dc_sink_data->edid_caps.audio_mode_count); i++)
71           {
72                     stream->audio_info.modes[i].channel_count = dc_sink_data->edid_caps.audio_modes[i].channel_count;
73                     stream->audio_info.modes[i].format_code = dc_sink_data->edid_caps.audio_modes[i].format_code;
74                     stream->audio_info.modes[i].sample_rates.all = dc_sink_data->edid_caps.audio_modes[i].sample_rate;
75                     stream->audio_info.modes[i].sample_size = dc_sink_data->edid_caps.audio_modes[i].sample_size;
76           }
77           stream->audio_info.mode_count = dc_sink_data->edid_caps.audio_mode_count;
78           stream->audio_info.audio_latency = dc_sink_data->edid_caps.audio_latency;
79           stream->audio_info.video_latency = dc_sink_data->edid_caps.video_latency;
80           memmove(
81                     stream->audio_info.display_name,
82                     dc_sink_data->edid_caps.display_name,
83                     AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS);
84           stream->audio_info.manufacture_id = dc_sink_data->edid_caps.manufacturer_id;
85           stream->audio_info.product_id = dc_sink_data->edid_caps.product_id;
86           stream->audio_info.flags.all = dc_sink_data->edid_caps.speaker_flags;
87 
88           if (dc_sink_data->dc_container_id != NULL) {
89                     struct dc_container_id *dc_container_id = dc_sink_data->dc_container_id;
90 
91                     stream->audio_info.port_id[0] = dc_container_id->portId[0];
92                     stream->audio_info.port_id[1] = dc_container_id->portId[1];
93           } else {
94                     /* TODO - WindowDM has implemented,
95                     other DMs need Unhardcode port_id */
96                     stream->audio_info.port_id[0] = 0x5558859e;
97                     stream->audio_info.port_id[1] = 0xd989449;
98           }
99 
100           /* EDID CAP translation for HDMI 2.0 */
101           stream->timing.flags.LTE_340MCSC_SCRAMBLE = dc_sink_data->edid_caps.lte_340mcsc_scramble;
102 
103           stream->status.link = stream->sink->link;
104 
105           update_stream_signal(stream);
106 
107           stream->out_transfer_func = dc_create_transfer_func();
108           stream->out_transfer_func->type = TF_TYPE_BYPASS;
109 }
110 
destruct(struct dc_stream_state * stream)111 static void destruct(struct dc_stream_state *stream)
112 {
113           dc_sink_release(stream->sink);
114           if (stream->out_transfer_func != NULL) {
115                     dc_transfer_func_release(stream->out_transfer_func);
116                     stream->out_transfer_func = NULL;
117           }
118 }
119 
dc_stream_retain(struct dc_stream_state * stream)120 void dc_stream_retain(struct dc_stream_state *stream)
121 {
122           kref_get(&stream->refcount);
123 }
124 
dc_stream_free(struct kref * kref)125 static void dc_stream_free(struct kref *kref)
126 {
127           struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);
128 
129           destruct(stream);
130           kfree(stream);
131 }
132 
dc_stream_release(struct dc_stream_state * stream)133 void dc_stream_release(struct dc_stream_state *stream)
134 {
135           if (stream != NULL) {
136                     kref_put(&stream->refcount, dc_stream_free);
137           }
138 }
139 
dc_create_stream_for_sink(struct dc_sink * sink)140 struct dc_stream_state *dc_create_stream_for_sink(
141                     struct dc_sink *sink)
142 {
143           struct dc_stream_state *stream;
144 
145           if (sink == NULL)
146                     return NULL;
147 
148           stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
149           if (stream == NULL)
150                     return NULL;
151 
152           construct(stream, sink);
153 
154           kref_init(&stream->refcount);
155 
156           return stream;
157 }
158 
dc_stream_get_status(struct dc_stream_state * stream)159 struct dc_stream_status *dc_stream_get_status(
160           struct dc_stream_state *stream)
161 {
162           uint8_t i;
163           struct dc  *dc = stream->ctx->dc;
164 
165           for (i = 0; i < dc->current_state->stream_count; i++) {
166                     if (stream == dc->current_state->streams[i])
167                               return &dc->current_state->stream_status[i];
168           }
169 
170           return NULL;
171 }
172 
173 /**
174  * Update the cursor attributes and set cursor surface address
175  */
dc_stream_set_cursor_attributes(struct dc_stream_state * stream,const struct dc_cursor_attributes * attributes)176 bool dc_stream_set_cursor_attributes(
177           struct dc_stream_state *stream,
178           const struct dc_cursor_attributes *attributes)
179 {
180           int i;
181           struct dc  *core_dc;
182           struct resource_context *res_ctx;
183           struct pipe_ctx *pipe_to_program = NULL;
184 
185           if (NULL == stream) {
186                     dm_error("DC: dc_stream is NULL!\n");
187                     return false;
188           }
189           if (NULL == attributes) {
190                     dm_error("DC: attributes is NULL!\n");
191                     return false;
192           }
193 
194           if (attributes->address.quad_part == 0) {
195                     dm_output_to_console("DC: Cursor address is 0!\n");
196                     return false;
197           }
198 
199           core_dc = stream->ctx->dc;
200           res_ctx = &core_dc->current_state->res_ctx;
201           stream->cursor_attributes = *attributes;
202 
203           for (i = 0; i < MAX_PIPES; i++) {
204                     struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
205 
206                     if (pipe_ctx->stream != stream)
207                               continue;
208                     if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
209                               continue;
210 
211                     if (!pipe_to_program) {
212                               pipe_to_program = pipe_ctx;
213                               core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true);
214                     }
215 
216                     core_dc->hwss.set_cursor_attribute(pipe_ctx);
217                     if (core_dc->hwss.set_cursor_sdr_white_level)
218                               core_dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
219           }
220 
221           if (pipe_to_program)
222                     core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, false);
223 
224           return true;
225 }
226 
dc_stream_set_cursor_position(struct dc_stream_state * stream,const struct dc_cursor_position * position)227 bool dc_stream_set_cursor_position(
228           struct dc_stream_state *stream,
229           const struct dc_cursor_position *position)
230 {
231           int i;
232           struct dc  *core_dc;
233           struct resource_context *res_ctx;
234           struct pipe_ctx *pipe_to_program = NULL;
235 
236           if (NULL == stream) {
237                     dm_error("DC: dc_stream is NULL!\n");
238                     return false;
239           }
240 
241           if (NULL == position) {
242                     dm_error("DC: cursor position is NULL!\n");
243                     return false;
244           }
245 
246           core_dc = stream->ctx->dc;
247           res_ctx = &core_dc->current_state->res_ctx;
248           stream->cursor_position = *position;
249 
250           for (i = 0; i < MAX_PIPES; i++) {
251                     struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
252 
253                     if (pipe_ctx->stream != stream ||
254                                         (!pipe_ctx->plane_res.mi  && !pipe_ctx->plane_res.hubp) ||
255                                         !pipe_ctx->plane_state ||
256                                         (!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp) ||
257                                         !pipe_ctx->plane_res.ipp)
258                               continue;
259 
260                     if (!pipe_to_program) {
261                               pipe_to_program = pipe_ctx;
262                               core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true);
263                     }
264 
265                     core_dc->hwss.set_cursor_position(pipe_ctx);
266           }
267 
268           if (pipe_to_program)
269                     core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, false);
270 
271           return true;
272 }
273 
dc_stream_get_vblank_counter(const struct dc_stream_state * stream)274 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
275 {
276           uint8_t i;
277           struct dc  *core_dc = stream->ctx->dc;
278           struct resource_context *res_ctx =
279                     &core_dc->current_state->res_ctx;
280 
281           for (i = 0; i < MAX_PIPES; i++) {
282                     struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
283 
284                     if (res_ctx->pipe_ctx[i].stream != stream)
285                               continue;
286 
287                     return tg->funcs->get_frame_count(tg);
288           }
289 
290           return 0;
291 }
292 
dc_stream_get_scanoutpos(const struct dc_stream_state * stream,uint32_t * v_blank_start,uint32_t * v_blank_end,uint32_t * h_position,uint32_t * v_position)293 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
294                                           uint32_t *v_blank_start,
295                                           uint32_t *v_blank_end,
296                                           uint32_t *h_position,
297                                           uint32_t *v_position)
298 {
299           uint8_t i;
300           bool ret = false;
301           struct dc  *core_dc = stream->ctx->dc;
302           struct resource_context *res_ctx =
303                     &core_dc->current_state->res_ctx;
304 
305           for (i = 0; i < MAX_PIPES; i++) {
306                     struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
307 
308                     if (res_ctx->pipe_ctx[i].stream != stream)
309                               continue;
310 
311                     tg->funcs->get_scanoutpos(tg,
312                                                     v_blank_start,
313                                                     v_blank_end,
314                                                     h_position,
315                                                     v_position);
316 
317                     ret = true;
318                     break;
319           }
320 
321           return ret;
322 }
323 
dc_stream_log(const struct dc * dc,const struct dc_stream_state * stream)324 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
325 {
326           DC_LOG_DC(
327                               "core_stream 0x%p: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
328                               stream,
329                               stream->src.x,
330                               stream->src.y,
331                               stream->src.width,
332                               stream->src.height,
333                               stream->dst.x,
334                               stream->dst.y,
335                               stream->dst.width,
336                               stream->dst.height,
337                               stream->output_color_space);
338           DC_LOG_DC(
339                               "\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
340                               stream->timing.pix_clk_khz,
341                               stream->timing.h_total,
342                               stream->timing.v_total,
343                               stream->timing.pixel_encoding,
344                               stream->timing.display_color_depth);
345           DC_LOG_DC(
346                               "\tsink name: %s, serial: %d\n",
347                               stream->sink->edid_caps.display_name,
348                               stream->sink->edid_caps.serial_number);
349           DC_LOG_DC(
350                               "\tlink: %d\n",
351                               stream->sink->link->link_index);
352 }
353