cregit-Linux how code gets into the kernel

Release 4.15 drivers/gpu/drm/amd/display/dc/core/dc_stream.c

/*
 * Copyright 2012-15 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#include "dm_services.h"
#include "dc.h"
#include "core_types.h"
#include "resource.h"
#include "ipp.h"
#include "timing_generator.h"

/*******************************************************************************
 * Private functions
 ******************************************************************************/

#define TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST 297000

static void update_stream_signal(struct dc_stream_state *stream) { if (stream->output_signal == SIGNAL_TYPE_NONE) { struct dc_sink *dc_sink = stream->sink; if (dc_sink->sink_signal == SIGNAL_TYPE_NONE) stream->signal = stream->sink->link->connector_signal; else stream->signal = dc_sink->sink_signal; } else { stream->signal = stream->output_signal; } if (dc_is_dvi_signal(stream->signal)) { if (stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST && stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK) stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK; else stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK; } }

Contributors

PersonTokensPropCommitsCommitProp
Jerry (Fangzhi) Zuo112100.00%1100.00%
Total112100.00%1100.00%


static void construct(struct dc_stream_state *stream, struct dc_sink *dc_sink_data) { uint32_t i = 0; stream->sink = dc_sink_data; stream->ctx = stream->sink->ctx; dc_sink_retain(dc_sink_data); /* Copy audio modes */ /* TODO - Remove this translation */ for (i = 0; i < (dc_sink_data->edid_caps.audio_mode_count); i++) { stream->audio_info.modes[i].channel_count = dc_sink_data->edid_caps.audio_modes[i].channel_count; stream->audio_info.modes[i].format_code = dc_sink_data->edid_caps.audio_modes[i].format_code; stream->audio_info.modes[i].sample_rates.all = dc_sink_data->edid_caps.audio_modes[i].sample_rate; stream->audio_info.modes[i].sample_size = dc_sink_data->edid_caps.audio_modes[i].sample_size; } stream->audio_info.mode_count = dc_sink_data->edid_caps.audio_mode_count; stream->audio_info.audio_latency = dc_sink_data->edid_caps.audio_latency; stream->audio_info.video_latency = dc_sink_data->edid_caps.video_latency; memmove( stream->audio_info.display_name, dc_sink_data->edid_caps.display_name, AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS); stream->audio_info.manufacture_id = dc_sink_data->edid_caps.manufacturer_id; stream->audio_info.product_id = dc_sink_data->edid_caps.product_id; stream->audio_info.flags.all = dc_sink_data->edid_caps.speaker_flags; if (dc_sink_data->dc_container_id != NULL) { struct dc_container_id *dc_container_id = dc_sink_data->dc_container_id; stream->audio_info.port_id[0] = dc_container_id->portId[0]; stream->audio_info.port_id[1] = dc_container_id->portId[1]; } else { /* TODO - WindowDM has implemented, other DMs need Unhardcode port_id */ stream->audio_info.port_id[0] = 0x5558859e; stream->audio_info.port_id[1] = 0xd989449; } /* EDID CAP translation for HDMI 2.0 */ stream->timing.flags.LTE_340MCSC_SCRAMBLE = dc_sink_data->edid_caps.lte_340mcsc_scramble; stream->status.link = stream->sink->link; update_stream_signal(stream); }

Contributors

PersonTokensPropCommitsCommitProp
Harry Wentland29482.82%240.00%
Duke Du5515.49%120.00%
Jerry (Fangzhi) Zuo51.41%120.00%
Dave Airlie10.28%120.00%
Total355100.00%5100.00%


static void destruct(struct dc_stream_state *stream) { dc_sink_release(stream->sink); if (stream->out_transfer_func != NULL) { dc_transfer_func_release( stream->out_transfer_func); stream->out_transfer_func = NULL; } }

Contributors

PersonTokensPropCommitsCommitProp
Harry Wentland1843.90%250.00%
Anthony Koo1536.59%125.00%
Yongqiang Sun819.51%125.00%
Total41100.00%4100.00%


void dc_stream_retain(struct dc_stream_state *stream) { kref_get(&stream->refcount); }

Contributors

PersonTokensPropCommitsCommitProp
Harry Wentland844.44%233.33%
Dave Airlie422.22%116.67%
Jerry (Fangzhi) Zuo316.67%116.67%
Andrey Grodzovsky211.11%116.67%
Leo (Sunpeng) Li15.56%116.67%
Total18100.00%6100.00%


static void dc_stream_free(struct kref *kref) { struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount); destruct(stream); kfree(stream); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie2980.56%125.00%
Harry Wentland38.33%125.00%
Jerry (Fangzhi) Zuo25.56%125.00%
Andrey Grodzovsky25.56%125.00%
Total36100.00%4100.00%


void dc_stream_release(struct dc_stream_state *stream) { if (stream != NULL) { kref_put(&stream->refcount, dc_stream_free); } }

Contributors

PersonTokensPropCommitsCommitProp
Harry Wentland1864.29%233.33%
Dave Airlie414.29%116.67%
Andrey Grodzovsky27.14%116.67%
Leo (Sunpeng) Li27.14%116.67%
Jerry (Fangzhi) Zuo27.14%116.67%
Total28100.00%6100.00%


struct dc_stream_state *dc_create_stream_for_sink( struct dc_sink *sink) { struct dc_stream_state *stream; if (sink == NULL) return NULL; stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL); if (stream == NULL) return NULL; construct(stream, sink); kref_init(&stream->refcount); return stream; }

Contributors

PersonTokensPropCommitsCommitProp
Harry Wentland5278.79%457.14%
Dave Airlie1116.67%228.57%
Jerry (Fangzhi) Zuo34.55%114.29%
Total66100.00%7100.00%


struct dc_stream_status *dc_stream_get_status( struct dc_stream_state *stream) { uint8_t i; struct dc *dc = stream->ctx->dc; for (i = 0; i < dc->current_state->stream_count; i++) { if (stream == dc->current_state->streams[i]) return &dc->current_state->stream_status[i]; } return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Aric Cyr6488.89%116.67%
Jerry (Fangzhi) Zuo34.17%116.67%
Harry Wentland34.17%233.33%
Leo (Sunpeng) Li11.39%116.67%
Bhawanpreet Lakha11.39%116.67%
Total72100.00%6100.00%

/** * Update the cursor attributes and set cursor surface address */
bool dc_stream_set_cursor_attributes( struct dc_stream_state *stream, const struct dc_cursor_attributes *attributes) { int i; struct dc *core_dc; struct resource_context *res_ctx; if (NULL == stream) { dm_error("DC: dc_stream is NULL!\n"); return false; } if (NULL == attributes) { dm_error("DC: attributes is NULL!\n"); return false; } if (attributes->address.quad_part == 0) { dm_output_to_console("DC: Cursor address is 0!\n"); return false; } core_dc = stream->ctx->dc; res_ctx = &core_dc->current_state->res_ctx; for (i = 0; i < MAX_PIPES; i++) { struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i]; if (pipe_ctx->stream != stream || (!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp)) continue; if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state) continue; if (pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes != NULL) pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes( pipe_ctx->plane_res.ipp, attributes); if (pipe_ctx->plane_res.hubp != NULL && pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes != NULL) pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes( pipe_ctx->plane_res.hubp, attributes); if (pipe_ctx->plane_res.mi != NULL && pipe_ctx->plane_res.mi->funcs->set_cursor_attributes != NULL) pipe_ctx->plane_res.mi->funcs->set_cursor_attributes( pipe_ctx->plane_res.mi, attributes); if (pipe_ctx->plane_res.xfm != NULL && pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes != NULL) pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes( pipe_ctx->plane_res.xfm, attributes); if (pipe_ctx->plane_res.dpp != NULL && pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes != NULL) pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes( pipe_ctx->plane_res.dpp, attributes); } stream->cursor_attributes = *attributes; return true; }

Contributors

PersonTokensPropCommitsCommitProp
Yue Hin Lau18850.13%426.67%
Aric Cyr12332.80%16.67%
Yongqiang Sun266.93%16.67%
Dmytro Laktyushkin215.60%16.67%
Harry Wentland92.40%320.00%
Leon Elazar30.80%16.67%
Leo (Sunpeng) Li20.53%16.67%
Jerry (Fangzhi) Zuo10.27%16.67%
Andrew Jiang10.27%16.67%
Bhawanpreet Lakha10.27%16.67%
Total375100.00%15100.00%


bool dc_stream_set_cursor_position( struct dc_stream_state *stream, const struct dc_cursor_position *position) { int i; struct dc *core_dc; struct resource_context *res_ctx; if (NULL == stream) { dm_error("DC: dc_stream is NULL!\n"); return false; } if (NULL == position) { dm_error("DC: cursor position is NULL!\n"); return false; } core_dc = stream->ctx->dc; res_ctx = &core_dc->current_state->res_ctx; for (i = 0; i < MAX_PIPES; i++) { struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i]; struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp; struct mem_input *mi = pipe_ctx->plane_res.mi; struct hubp *hubp = pipe_ctx->plane_res.hubp; struct dpp *dpp = pipe_ctx->plane_res.dpp; struct dc_cursor_position pos_cpy = *position; struct dc_cursor_mi_param param = { .pixel_clk_khz = stream->timing.pix_clk_khz, .ref_clk_khz = core_dc->res_pool->ref_clock_inKhz, .viewport_x_start = pipe_ctx->plane_res.scl_data.viewport.x, .viewport_width = pipe_ctx->plane_res.scl_data.viewport.width, .h_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.horz }; if (pipe_ctx->stream != stream || (!pipe_ctx->plane_res.mi && !pipe_ctx->plane_res.hubp) || !pipe_ctx->plane_state || (!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp)) continue; if (pipe_ctx->plane_state->address.type == PLN_ADDR_TYPE_VIDEO_PROGRESSIVE) pos_cpy.enable = false; if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state) pos_cpy.enable = false; if (ipp != NULL && ipp->funcs->ipp_cursor_set_position != NULL) ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, &param); if (mi != NULL && mi->funcs->set_cursor_position != NULL) mi->funcs->set_cursor_position(mi, &pos_cpy, &param); if (!hubp) continue; if (hubp->funcs->set_cursor_position != NULL) hubp->funcs->set_cursor_position(hubp, &pos_cpy, &param); if (dpp != NULL && dpp->funcs->set_cursor_position != NULL) dpp->funcs->set_cursor_position(dpp, &pos_cpy, &param, hubp->curs_attr.width); } return true; }

Contributors

PersonTokensPropCommitsCommitProp
Aric Cyr17440.18%15.26%
Yue Hin Lau15936.72%421.05%
Yongqiang Sun358.08%210.53%
Dmytro Laktyushkin317.16%15.26%
Harry Wentland204.62%526.32%
Shirish S40.92%15.26%
Charlene Liu30.69%15.26%
Leo (Sunpeng) Li30.69%15.26%
Tony Cheng20.46%15.26%
Jerry (Fangzhi) Zuo10.23%15.26%
Bhawanpreet Lakha10.23%15.26%
Total433100.00%19100.00%


uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream) { uint8_t i; struct dc *core_dc = stream->ctx->dc; struct resource_context *res_ctx = &core_dc->current_state->res_ctx; for (i = 0; i < MAX_PIPES; i++) { struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg; if (res_ctx->pipe_ctx[i].stream != stream) continue; return tg->funcs->get_frame_count(tg); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Aric Cyr8993.68%116.67%
Harry Wentland33.16%233.33%
Bhawanpreet Lakha11.05%116.67%
Leo (Sunpeng) Li11.05%116.67%
Jerry (Fangzhi) Zuo11.05%116.67%
Total95100.00%6100.00%


bool 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) { uint8_t i; bool ret = false; struct dc *core_dc = stream->ctx->dc; struct resource_context *res_ctx = &core_dc->current_state->res_ctx; for (i = 0; i < MAX_PIPES; i++) { struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg; if (res_ctx->pipe_ctx[i].stream != stream) continue; tg->funcs->get_scanoutpos(tg, v_blank_start, v_blank_end, h_position, v_position); ret = true; break; } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Aric Cyr9372.66%114.29%
Sylvia Tsai2922.66%114.29%
Harry Wentland32.34%228.57%
Jerry (Fangzhi) Zuo10.78%114.29%
Bhawanpreet Lakha10.78%114.29%
Leo (Sunpeng) Li10.78%114.29%
Total128100.00%7100.00%


void dc_stream_log( const struct dc_stream_state *stream, struct dal_logger *dm_logger, enum dc_log_type log_type) { dm_logger_write(dm_logger, log_type, "core_stream 0x%x: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n", stream, stream->src.x, stream->src.y, stream->src.width, stream->src.height, stream->dst.x, stream->dst.y, stream->dst.width, stream->dst.height, stream->output_color_space); dm_logger_write(dm_logger, log_type, "\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n", stream->timing.pix_clk_khz, stream->timing.h_total, stream->timing.v_total, stream->timing.pixel_encoding, stream->timing.display_color_depth); dm_logger_write(dm_logger, log_type, "\tsink name: %s, serial: %d\n", stream->sink->edid_caps.display_name, stream->sink->edid_caps.serial_number); dm_logger_write(dm_logger, log_type, "\tlink: %d\n", stream->sink->link->link_index); }

Contributors

PersonTokensPropCommitsCommitProp
Aric Cyr13079.27%125.00%
Leo (Sunpeng) Li1810.98%125.00%
Charlene Liu159.15%125.00%
Harry Wentland10.61%125.00%
Total164100.00%4100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Aric Cyr68034.91%12.63%
Harry Wentland44622.90%1026.32%
Yue Hin Lau34717.81%410.53%
Jerry (Fangzhi) Zuo1387.08%37.89%
Yongqiang Sun693.54%410.53%
Duke Du552.82%12.63%
Dmytro Laktyushkin522.67%12.63%
Dave Airlie492.52%25.26%
Leo (Sunpeng) Li291.49%25.26%
Sylvia Tsai291.49%12.63%
Charlene Liu180.92%25.26%
Anthony Koo150.77%12.63%
Andrey Grodzovsky60.31%12.63%
Bhawanpreet Lakha50.26%12.63%
Shirish S40.21%12.63%
Leon Elazar30.15%12.63%
Tony Cheng20.10%12.63%
Andrew Jiang10.05%12.63%
Total1948100.00%38100.00%
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