linux/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
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   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 ******************************************************************************/
  38void 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
  58static 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        update_stream_signal(stream);
 104
 105        stream->out_transfer_func = dc_create_transfer_func();
 106        stream->out_transfer_func->type = TF_TYPE_BYPASS;
 107        stream->out_transfer_func->ctx = stream->ctx;
 108}
 109
 110static void destruct(struct dc_stream_state *stream)
 111{
 112        dc_sink_release(stream->sink);
 113        if (stream->out_transfer_func != NULL) {
 114                dc_transfer_func_release(stream->out_transfer_func);
 115                stream->out_transfer_func = NULL;
 116        }
 117}
 118
 119void dc_stream_retain(struct dc_stream_state *stream)
 120{
 121        kref_get(&stream->refcount);
 122}
 123
 124static void dc_stream_free(struct kref *kref)
 125{
 126        struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);
 127
 128        destruct(stream);
 129        kfree(stream);
 130}
 131
 132void dc_stream_release(struct dc_stream_state *stream)
 133{
 134        if (stream != NULL) {
 135                kref_put(&stream->refcount, dc_stream_free);
 136        }
 137}
 138
 139struct dc_stream_state *dc_create_stream_for_sink(
 140                struct dc_sink *sink)
 141{
 142        struct dc_stream_state *stream;
 143
 144        if (sink == NULL)
 145                return NULL;
 146
 147        stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
 148        if (stream == NULL)
 149                return NULL;
 150
 151        construct(stream, sink);
 152
 153        kref_init(&stream->refcount);
 154
 155        return stream;
 156}
 157
 158struct dc_stream_status *dc_stream_get_status(
 159        struct dc_stream_state *stream)
 160{
 161        uint8_t i;
 162        struct dc  *dc = stream->ctx->dc;
 163
 164        for (i = 0; i < dc->current_state->stream_count; i++) {
 165                if (stream == dc->current_state->streams[i])
 166                        return &dc->current_state->stream_status[i];
 167        }
 168
 169        return NULL;
 170}
 171
 172/**
 173 * dc_stream_set_cursor_attributes() - Update cursor attributes and set cursor surface address
 174 */
 175bool dc_stream_set_cursor_attributes(
 176        struct dc_stream_state *stream,
 177        const struct dc_cursor_attributes *attributes)
 178{
 179        int i;
 180        struct dc  *core_dc;
 181        struct resource_context *res_ctx;
 182        struct pipe_ctx *pipe_to_program = NULL;
 183
 184        if (NULL == stream) {
 185                dm_error("DC: dc_stream is NULL!\n");
 186                return false;
 187        }
 188        if (NULL == attributes) {
 189                dm_error("DC: attributes is NULL!\n");
 190                return false;
 191        }
 192
 193        if (attributes->address.quad_part == 0) {
 194                dm_output_to_console("DC: Cursor address is 0!\n");
 195                return false;
 196        }
 197
 198        core_dc = stream->ctx->dc;
 199        res_ctx = &core_dc->current_state->res_ctx;
 200        stream->cursor_attributes = *attributes;
 201
 202        for (i = 0; i < MAX_PIPES; i++) {
 203                struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
 204
 205                if (pipe_ctx->stream != stream)
 206                        continue;
 207
 208                if (!pipe_to_program) {
 209                        pipe_to_program = pipe_ctx;
 210                        core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true);
 211                }
 212
 213                core_dc->hwss.set_cursor_attribute(pipe_ctx);
 214                if (core_dc->hwss.set_cursor_sdr_white_level)
 215                        core_dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
 216        }
 217
 218        if (pipe_to_program)
 219                core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, false);
 220
 221        return true;
 222}
 223
 224bool dc_stream_set_cursor_position(
 225        struct dc_stream_state *stream,
 226        const struct dc_cursor_position *position)
 227{
 228        int i;
 229        struct dc  *core_dc;
 230        struct resource_context *res_ctx;
 231        struct pipe_ctx *pipe_to_program = NULL;
 232
 233        if (NULL == stream) {
 234                dm_error("DC: dc_stream is NULL!\n");
 235                return false;
 236        }
 237
 238        if (NULL == position) {
 239                dm_error("DC: cursor position is NULL!\n");
 240                return false;
 241        }
 242
 243        core_dc = stream->ctx->dc;
 244        res_ctx = &core_dc->current_state->res_ctx;
 245        stream->cursor_position = *position;
 246
 247        for (i = 0; i < MAX_PIPES; i++) {
 248                struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
 249
 250                if (pipe_ctx->stream != stream ||
 251                                (!pipe_ctx->plane_res.mi  && !pipe_ctx->plane_res.hubp) ||
 252                                !pipe_ctx->plane_state ||
 253                                (!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp) ||
 254                                !pipe_ctx->plane_res.ipp)
 255                        continue;
 256
 257                if (!pipe_to_program) {
 258                        pipe_to_program = pipe_ctx;
 259                        core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true);
 260                }
 261
 262                core_dc->hwss.set_cursor_position(pipe_ctx);
 263        }
 264
 265        if (pipe_to_program)
 266                core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, false);
 267
 268        return true;
 269}
 270
 271uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
 272{
 273        uint8_t i;
 274        struct dc  *core_dc = stream->ctx->dc;
 275        struct resource_context *res_ctx =
 276                &core_dc->current_state->res_ctx;
 277
 278        for (i = 0; i < MAX_PIPES; i++) {
 279                struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
 280
 281                if (res_ctx->pipe_ctx[i].stream != stream)
 282                        continue;
 283
 284                return tg->funcs->get_frame_count(tg);
 285        }
 286
 287        return 0;
 288}
 289
 290bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
 291                                  uint32_t *v_blank_start,
 292                                  uint32_t *v_blank_end,
 293                                  uint32_t *h_position,
 294                                  uint32_t *v_position)
 295{
 296        uint8_t i;
 297        bool ret = false;
 298        struct dc  *core_dc = stream->ctx->dc;
 299        struct resource_context *res_ctx =
 300                &core_dc->current_state->res_ctx;
 301
 302        for (i = 0; i < MAX_PIPES; i++) {
 303                struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
 304
 305                if (res_ctx->pipe_ctx[i].stream != stream)
 306                        continue;
 307
 308                tg->funcs->get_scanoutpos(tg,
 309                                          v_blank_start,
 310                                          v_blank_end,
 311                                          h_position,
 312                                          v_position);
 313
 314                ret = true;
 315                break;
 316        }
 317
 318        return ret;
 319}
 320
 321void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
 322{
 323        DC_LOG_DC(
 324                        "core_stream 0x%p: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
 325                        stream,
 326                        stream->src.x,
 327                        stream->src.y,
 328                        stream->src.width,
 329                        stream->src.height,
 330                        stream->dst.x,
 331                        stream->dst.y,
 332                        stream->dst.width,
 333                        stream->dst.height,
 334                        stream->output_color_space);
 335        DC_LOG_DC(
 336                        "\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
 337                        stream->timing.pix_clk_khz,
 338                        stream->timing.h_total,
 339                        stream->timing.v_total,
 340                        stream->timing.pixel_encoding,
 341                        stream->timing.display_color_depth);
 342        DC_LOG_DC(
 343                        "\tsink name: %s, serial: %d\n",
 344                        stream->sink->edid_caps.display_name,
 345                        stream->sink->edid_caps.serial_number);
 346        DC_LOG_DC(
 347                        "\tlink: %d\n",
 348                        stream->sink->link->link_index);
 349}
 350