diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 917 |
1 files changed, 0 insertions, 917 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c deleted file mode 100644 index 45d03d3a95c3..000000000000 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ /dev/null @@ -1,917 +0,0 @@ -/* Copyright 2015 Advanced Micro Devices, Inc. */ - - -#include "dm_services.h" -#include "dc.h" -#include "inc/core_types.h" -#include "include/ddc_service_types.h" -#include "include/i2caux_interface.h" -#include "link_hwss.h" -#include "hw_sequencer.h" -#include "dc_link_dp.h" -#include "dc_link_ddc.h" -#include "dm_helpers.h" -#include "dpcd_defs.h" -#include "dsc.h" -#include "resource.h" -#include "link_enc_cfg.h" -#include "clk_mgr.h" -#include "inc/link_dpcd.h" -#include "dccg.h" - -static uint8_t convert_to_count(uint8_t lttpr_repeater_count) -{ - switch (lttpr_repeater_count) { - case 0x80: // 1 lttpr repeater - return 1; - case 0x40: // 2 lttpr repeaters - return 2; - case 0x20: // 3 lttpr repeaters - return 3; - case 0x10: // 4 lttpr repeaters - return 4; - case 0x08: // 5 lttpr repeaters - return 5; - case 0x04: // 6 lttpr repeaters - return 6; - case 0x02: // 7 lttpr repeaters - return 7; - case 0x01: // 8 lttpr repeaters - return 8; - default: - break; - } - return 0; // invalid value -} - -static inline bool is_immediate_downstream(struct dc_link *link, uint32_t offset) -{ - return (convert_to_count(link->dpcd_caps.lttpr_caps.phy_repeater_cnt) == offset); -} - -void dp_receiver_power_ctrl(struct dc_link *link, bool on) -{ - uint8_t state; - - state = on ? DP_POWER_STATE_D0 : DP_POWER_STATE_D3; - - if (link->sync_lt_in_progress) - return; - - core_link_write_dpcd(link, DP_SET_POWER, &state, - sizeof(state)); -} - -void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode) -{ - if (link != NULL && link->dc->debug.enable_driver_sequence_debug) - core_link_write_dpcd(link, DP_SOURCE_SEQUENCE, - &dp_test_mode, sizeof(dp_test_mode)); -} - -void dp_enable_link_phy( - struct dc_link *link, - const struct link_resource *link_res, - enum signal_type signal, - enum clock_source_id clock_source, - const struct dc_link_settings *link_settings) -{ - struct link_encoder *link_enc; - struct dc *dc = link->ctx->dc; - struct dmcu *dmcu = dc->res_pool->dmcu; - - struct pipe_ctx *pipes = - link->dc->current_state->res_ctx.pipe_ctx; - struct clock_source *dp_cs = - link->dc->res_pool->dp_clock_source; - unsigned int i; - - /* Link should always be assigned encoder when en-/disabling. */ - if (link->is_dig_mapping_flexible && dc->res_pool->funcs->link_encs_assign) - link_enc = link_enc_cfg_get_link_enc_used_by_link(dc, link); - else - link_enc = link->link_enc; - ASSERT(link_enc); - - if (link->connector_signal == SIGNAL_TYPE_EDP) { - link->dc->hwss.edp_power_control(link, true); - link->dc->hwss.edp_wait_for_hpd_ready(link, true); - } - - /* If the current pixel clock source is not DTO(happens after - * switching from HDMI passive dongle to DP on the same connector), - * switch the pixel clock source to DTO. - */ - for (i = 0; i < MAX_PIPES; i++) { - if (pipes[i].stream != NULL && - pipes[i].stream->link == link) { - if (pipes[i].clock_source != NULL && - pipes[i].clock_source->id != CLOCK_SOURCE_ID_DP_DTO) { - pipes[i].clock_source = dp_cs; - pipes[i].stream_res.pix_clk_params.requested_pix_clk_100hz = - pipes[i].stream->timing.pix_clk_100hz; - pipes[i].clock_source->funcs->program_pix_clk( - pipes[i].clock_source, - &pipes[i].stream_res.pix_clk_params, - &pipes[i].pll_settings); - } - } - } - - link->cur_link_settings = *link_settings; - -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (dp_get_link_encoding_format(link_settings) == DP_128b_132b_ENCODING) { - /* TODO - DP2.0 HW: notify link rate change here */ - } else if (dp_get_link_encoding_format(link_settings) == DP_8b_10b_ENCODING) { - if (dc->clk_mgr->funcs->notify_link_rate_change) - dc->clk_mgr->funcs->notify_link_rate_change(dc->clk_mgr, link); - } -#else - if (dc->clk_mgr->funcs->notify_link_rate_change) - dc->clk_mgr->funcs->notify_link_rate_change(dc->clk_mgr, link); -#endif - if (dmcu != NULL && dmcu->funcs->lock_phy) - dmcu->funcs->lock_phy(dmcu); - -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (dp_get_link_encoding_format(link_settings) == DP_128b_132b_ENCODING) { - enable_dp_hpo_output(link, link_res, link_settings); - } else if (dp_get_link_encoding_format(link_settings) == DP_8b_10b_ENCODING) { - if (dc_is_dp_sst_signal(signal)) { - link_enc->funcs->enable_dp_output( - link_enc, - link_settings, - clock_source); - } else { - link_enc->funcs->enable_dp_mst_output( - link_enc, - link_settings, - clock_source); - } - } -#else - if (dc_is_dp_sst_signal(signal)) { - link_enc->funcs->enable_dp_output( - link_enc, - link_settings, - clock_source); - } else { - link_enc->funcs->enable_dp_mst_output( - link_enc, - link_settings, - clock_source); - } -#endif - if (dmcu != NULL && dmcu->funcs->unlock_phy) - dmcu->funcs->unlock_phy(dmcu); - - dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY); - dp_receiver_power_ctrl(link, true); -} - -void edp_add_delay_for_T9(struct dc_link *link) -{ - if (link->local_sink && - link->local_sink->edid_caps.panel_patch.extra_delay_backlight_off > 0) - udelay(link->local_sink->edid_caps.panel_patch.extra_delay_backlight_off * 1000); -} - -bool edp_receiver_ready_T9(struct dc_link *link) -{ - unsigned int tries = 0; - unsigned char sinkstatus = 0; - unsigned char edpRev = 0; - enum dc_status result; - - result = core_link_read_dpcd(link, DP_EDP_DPCD_REV, &edpRev, sizeof(edpRev)); - - /* start from eDP version 1.2, SINK_STAUS indicate the sink is ready.*/ - if (result == DC_OK && edpRev >= DP_EDP_12) { - do { - sinkstatus = 1; - result = core_link_read_dpcd(link, DP_SINK_STATUS, &sinkstatus, sizeof(sinkstatus)); - if (sinkstatus == 0) - break; - if (result != DC_OK) - break; - udelay(100); //MAx T9 - } while (++tries < 50); - } - - return result; -} -bool edp_receiver_ready_T7(struct dc_link *link) -{ - unsigned char sinkstatus = 0; - unsigned char edpRev = 0; - enum dc_status result; - - /* use absolute time stamp to constrain max T7*/ - unsigned long long enter_timestamp = 0; - unsigned long long finish_timestamp = 0; - unsigned long long time_taken_in_ns = 0; - - result = core_link_read_dpcd(link, DP_EDP_DPCD_REV, &edpRev, sizeof(edpRev)); - - if (result == DC_OK && edpRev >= DP_EDP_12) { - /* start from eDP version 1.2, SINK_STAUS indicate the sink is ready.*/ - enter_timestamp = dm_get_timestamp(link->ctx); - do { - sinkstatus = 0; - result = core_link_read_dpcd(link, DP_SINK_STATUS, &sinkstatus, sizeof(sinkstatus)); - if (sinkstatus == 1) - break; - if (result != DC_OK) - break; - udelay(25); - finish_timestamp = dm_get_timestamp(link->ctx); - time_taken_in_ns = dm_get_elapse_time_in_ns(link->ctx, finish_timestamp, enter_timestamp); - } while (time_taken_in_ns < 50 * 1000000); //MAx T7 is 50ms - } - - if (link->local_sink && - link->local_sink->edid_caps.panel_patch.extra_t7_ms > 0) - udelay(link->local_sink->edid_caps.panel_patch.extra_t7_ms * 1000); - - return result; -} - -void dp_disable_link_phy(struct dc_link *link, const struct link_resource *link_res, - enum signal_type signal) -{ - struct dc *dc = link->ctx->dc; - struct dmcu *dmcu = dc->res_pool->dmcu; -#if defined(CONFIG_DRM_AMD_DC_DCN) - struct hpo_dp_link_encoder *hpo_link_enc = link_res->hpo_dp_link_enc; -#endif - struct link_encoder *link_enc; - - /* Link should always be assigned encoder when en-/disabling. */ - if (link->is_dig_mapping_flexible && dc->res_pool->funcs->link_encs_assign) - link_enc = link_enc_cfg_get_link_enc_used_by_link(dc, link); - else - link_enc = link->link_enc; - ASSERT(link_enc); - - if (!link->wa_flags.dp_keep_receiver_powered) - dp_receiver_power_ctrl(link, false); - - if (signal == SIGNAL_TYPE_EDP) { - if (link->dc->hwss.edp_backlight_control) - link->dc->hwss.edp_backlight_control(link, false); -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (dp_get_link_encoding_format(&link->cur_link_settings) == DP_128b_132b_ENCODING) - disable_dp_hpo_output(link, link_res, signal); - else - link_enc->funcs->disable_output(link_enc, signal); -#else - link_enc->funcs->disable_output(link_enc, signal); -#endif - link->dc->hwss.edp_power_control(link, false); - } else { - if (dmcu != NULL && dmcu->funcs->lock_phy) - dmcu->funcs->lock_phy(dmcu); - -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (dp_get_link_encoding_format(&link->cur_link_settings) == DP_128b_132b_ENCODING && - hpo_link_enc) - disable_dp_hpo_output(link, link_res, signal); - else - link_enc->funcs->disable_output(link_enc, signal); -#else - link_enc->funcs->disable_output(link_enc, signal); -#endif - if (dmcu != NULL && dmcu->funcs->unlock_phy) - dmcu->funcs->unlock_phy(dmcu); - } - - dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY); - - /* Clear current link setting.*/ - memset(&link->cur_link_settings, 0, - sizeof(link->cur_link_settings)); - - if (dc->clk_mgr->funcs->notify_link_rate_change) - dc->clk_mgr->funcs->notify_link_rate_change(dc->clk_mgr, link); -} - -void dp_disable_link_phy_mst(struct dc_link *link, const struct link_resource *link_res, - enum signal_type signal) -{ - /* MST disable link only when no stream use the link */ - if (link->mst_stream_alloc_table.stream_count > 0) - return; - - dp_disable_link_phy(link, link_res, signal); - - /* set the sink to SST mode after disabling the link */ - dp_enable_mst_on_sink(link, false); -} - -bool dp_set_hw_training_pattern( - struct dc_link *link, - const struct link_resource *link_res, - enum dc_dp_training_pattern pattern, - uint32_t offset) -{ - enum dp_test_pattern test_pattern = DP_TEST_PATTERN_UNSUPPORTED; - - switch (pattern) { - case DP_TRAINING_PATTERN_SEQUENCE_1: - test_pattern = DP_TEST_PATTERN_TRAINING_PATTERN1; - break; - case DP_TRAINING_PATTERN_SEQUENCE_2: - test_pattern = DP_TEST_PATTERN_TRAINING_PATTERN2; - break; - case DP_TRAINING_PATTERN_SEQUENCE_3: - test_pattern = DP_TEST_PATTERN_TRAINING_PATTERN3; - break; - case DP_TRAINING_PATTERN_SEQUENCE_4: - test_pattern = DP_TEST_PATTERN_TRAINING_PATTERN4; - break; -#if defined(CONFIG_DRM_AMD_DC_DCN) - case DP_128b_132b_TPS1: - test_pattern = DP_TEST_PATTERN_128b_132b_TPS1_TRAINING_MODE; - break; - case DP_128b_132b_TPS2: - test_pattern = DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE; - break; -#endif - default: - break; - } - - dp_set_hw_test_pattern(link, link_res, test_pattern, NULL, 0); - - return true; -} - -#if defined(CONFIG_DRM_AMD_DC_DCN) -#define DC_LOGGER \ - link->ctx->logger -#endif -void dp_set_hw_lane_settings( - struct dc_link *link, - const struct link_resource *link_res, - const struct link_training_settings *link_settings, - uint32_t offset) -{ - struct link_encoder *encoder = link->link_enc; - - if ((link->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT) && !is_immediate_downstream(link, offset)) - return; - - /* call Encoder to set lane settings */ -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (dp_get_link_encoding_format(&link_settings->link_settings) == - DP_128b_132b_ENCODING) { - link_res->hpo_dp_link_enc->funcs->set_ffe( - link_res->hpo_dp_link_enc, - &link_settings->link_settings, - link_settings->lane_settings[0].FFE_PRESET.raw); - } else if (dp_get_link_encoding_format(&link_settings->link_settings) - == DP_8b_10b_ENCODING) { - encoder->funcs->dp_set_lane_settings(encoder, link_settings); - } -#else - encoder->funcs->dp_set_lane_settings(encoder, link_settings); -#endif - memmove(link->cur_lane_setting, - link_settings->lane_settings, - sizeof(link->cur_lane_setting)); -} - -void dp_set_hw_test_pattern( - struct dc_link *link, - const struct link_resource *link_res, - enum dp_test_pattern test_pattern, - uint8_t *custom_pattern, - uint32_t custom_pattern_size) -{ - struct encoder_set_dp_phy_pattern_param pattern_param = {0}; - struct link_encoder *encoder; -#if defined(CONFIG_DRM_AMD_DC_DCN) - enum dp_link_encoding link_encoding_format = dp_get_link_encoding_format(&link->cur_link_settings); -#endif - - /* Access link encoder based on whether it is statically - * or dynamically assigned to a link. - */ - if (link->is_dig_mapping_flexible && - link->dc->res_pool->funcs->link_encs_assign) - encoder = link_enc_cfg_get_link_enc_used_by_link(link->ctx->dc, link); - else - encoder = link->link_enc; - - pattern_param.dp_phy_pattern = test_pattern; - pattern_param.custom_pattern = custom_pattern; - pattern_param.custom_pattern_size = custom_pattern_size; - pattern_param.dp_panel_mode = dp_get_panel_mode(link); - -#if defined(CONFIG_DRM_AMD_DC_DCN) - switch (link_encoding_format) { - case DP_128b_132b_ENCODING: - link_res->hpo_dp_link_enc->funcs->set_link_test_pattern( - link_res->hpo_dp_link_enc, &pattern_param); - break; - case DP_8b_10b_ENCODING: - ASSERT(encoder); - encoder->funcs->dp_set_phy_pattern(encoder, &pattern_param); - break; - default: - DC_LOG_ERROR("%s: Unknown link encoding format.", __func__); - break; - } -#else - encoder->funcs->dp_set_phy_pattern(encoder, &pattern_param); -#endif - dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN); -} -#if defined(CONFIG_DRM_AMD_DC_DCN) -#undef DC_LOGGER -#endif - -void dp_retrain_link_dp_test(struct dc_link *link, - struct dc_link_settings *link_setting, - bool skip_video_pattern) -{ - struct pipe_ctx *pipes = - &link->dc->current_state->res_ctx.pipe_ctx[0]; - unsigned int i; - - for (i = 0; i < MAX_PIPES; i++) { - if (pipes[i].stream != NULL && - !pipes[i].top_pipe && !pipes[i].prev_odm_pipe && - pipes[i].stream->link != NULL && - pipes[i].stream_res.stream_enc != NULL && - pipes[i].stream->link == link) { - udelay(100); - - pipes[i].stream_res.stream_enc->funcs->dp_blank(link, - pipes[i].stream_res.stream_enc); - - /* disable any test pattern that might be active */ - dp_set_hw_test_pattern(link, &pipes[i].link_res, - DP_TEST_PATTERN_VIDEO_MODE, NULL, 0); - - dp_receiver_power_ctrl(link, false); - - link->dc->hwss.disable_stream(&pipes[i]); - if ((&pipes[i])->stream_res.audio && !link->dc->debug.az_endpoint_mute_only) - (&pipes[i])->stream_res.audio->funcs->az_disable((&pipes[i])->stream_res.audio); - - if (link->link_enc) - link->link_enc->funcs->disable_output( - link->link_enc, - SIGNAL_TYPE_DISPLAY_PORT); - - /* Clear current link setting. */ - memset(&link->cur_link_settings, 0, - sizeof(link->cur_link_settings)); - - perform_link_training_with_retries( - link_setting, - skip_video_pattern, - LINK_TRAINING_ATTEMPTS, - &pipes[i], - SIGNAL_TYPE_DISPLAY_PORT, - false); - - link->dc->hwss.enable_stream(&pipes[i]); - - link->dc->hwss.unblank_stream(&pipes[i], - link_setting); - - if (pipes[i].stream_res.audio) { - /* notify audio driver for - * audio modes of monitor */ - pipes[i].stream_res.audio->funcs->az_enable( - pipes[i].stream_res.audio); - - /* un-mute audio */ - /* TODO: audio should be per stream rather than - * per link */ - pipes[i].stream_res.stream_enc->funcs-> - audio_mute_control( - pipes[i].stream_res.stream_enc, false); - } - } - } -} - -#define DC_LOGGER \ - dsc->ctx->logger -static void dsc_optc_config_log(struct display_stream_compressor *dsc, - struct dsc_optc_config *config) -{ - uint32_t precision = 1 << 28; - uint32_t bytes_per_pixel_int = config->bytes_per_pixel / precision; - uint32_t bytes_per_pixel_mod = config->bytes_per_pixel % precision; - uint64_t ll_bytes_per_pix_fraq = bytes_per_pixel_mod; - - /* 7 fractional digits decimal precision for bytes per pixel is enough because DSC - * bits per pixel precision is 1/16th of a pixel, which means bytes per pixel precision is - * 1/16/8 = 1/128 of a byte, or 0.0078125 decimal - */ - ll_bytes_per_pix_fraq *= 10000000; - ll_bytes_per_pix_fraq /= precision; - - DC_LOG_DSC("\tbytes_per_pixel 0x%08x (%d.%07d)", - config->bytes_per_pixel, bytes_per_pixel_int, (uint32_t)ll_bytes_per_pix_fraq); - DC_LOG_DSC("\tis_pixel_format_444 %d", config->is_pixel_format_444); - DC_LOG_DSC("\tslice_width %d", config->slice_width); -} - -bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable) -{ - struct dc *dc = pipe_ctx->stream->ctx->dc; - struct dc_stream_state *stream = pipe_ctx->stream; - bool result = false; - - if (dc_is_virtual_signal(stream->signal) || IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) - result = true; - else - result = dm_helpers_dp_write_dsc_enable(dc->ctx, stream, enable); - return result; -} - -/* The stream with these settings can be sent (unblanked) only after DSC was enabled on RX first, - * i.e. after dp_enable_dsc_on_rx() had been called - */ -void dp_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) -{ - struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; - struct dc *dc = pipe_ctx->stream->ctx->dc; - struct dc_stream_state *stream = pipe_ctx->stream; - struct pipe_ctx *odm_pipe; - int opp_cnt = 1; - - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) - opp_cnt++; - - if (enable) { - struct dsc_config dsc_cfg; - struct dsc_optc_config dsc_optc_cfg; - enum optc_dsc_mode optc_dsc_mode; - - /* Enable DSC hw block */ - dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt; - dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom; - dsc_cfg.pixel_encoding = stream->timing.pixel_encoding; - dsc_cfg.color_depth = stream->timing.display_color_depth; - dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false; - dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg; - ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0); - dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt; - - dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg); - dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst); - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { - struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc; - - odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg); - odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst); - } - dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt; - dsc_cfg.pic_width *= opp_cnt; - - optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED; - - /* Enable DSC in encoder */ -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (dc_is_dp_signal(stream->signal) && !IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) - && !is_dp_128b_132b_signal(pipe_ctx)) { -#else - if (dc_is_dp_signal(stream->signal) && !IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { -#endif - DC_LOG_DSC("Setting stream encoder DSC config for engine %d:", (int)pipe_ctx->stream_res.stream_enc->id); - dsc_optc_config_log(dsc, &dsc_optc_cfg); - pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(pipe_ctx->stream_res.stream_enc, - optc_dsc_mode, - dsc_optc_cfg.bytes_per_pixel, - dsc_optc_cfg.slice_width); - - /* PPS SDP is set elsewhere because it has to be done after DIG FE is connected to DIG BE */ - } - - /* Enable DSC in OPTC */ - DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst); - dsc_optc_config_log(dsc, &dsc_optc_cfg); - pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg, - optc_dsc_mode, - dsc_optc_cfg.bytes_per_pixel, - dsc_optc_cfg.slice_width); - } else { - /* disable DSC in OPTC */ - pipe_ctx->stream_res.tg->funcs->set_dsc_config( - pipe_ctx->stream_res.tg, - OPTC_DSC_DISABLED, 0, 0); - - /* disable DSC in stream encoder */ - if (dc_is_dp_signal(stream->signal)) { - -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (is_dp_128b_132b_signal(pipe_ctx)) - pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet( - pipe_ctx->stream_res.hpo_dp_stream_enc, - false, - NULL, - true); - else -#endif - if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { - pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config( - pipe_ctx->stream_res.stream_enc, - OPTC_DSC_DISABLED, 0, 0); - pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet( - pipe_ctx->stream_res.stream_enc, false, NULL, true); - } - } - - /* disable DSC block */ - pipe_ctx->stream_res.dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc); - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) - odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc); - } -} - -bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable) -{ - struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; - bool result = false; - - if (!pipe_ctx->stream->timing.flags.DSC) - goto out; - if (!dsc) - goto out; - - if (enable) { - { - dp_set_dsc_on_stream(pipe_ctx, true); - result = true; - } - } else { - dp_set_dsc_on_rx(pipe_ctx, false); - dp_set_dsc_on_stream(pipe_ctx, false); - result = true; - } -out: - return result; -} - -/* - * For dynamic bpp change case, dsc is programmed with MASTER_UPDATE_LOCK enabled; - * hence PPS info packet update need to use frame update instead of immediate update. - * Added parameter immediate_update for this purpose. - * The decision to use frame update is hard-coded in function dp_update_dsc_config(), - * which is the only place where a "false" would be passed in for param immediate_update. - * - * immediate_update is only applicable when DSC is enabled. - */ -bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable, bool immediate_update) -{ - struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; - struct dc_stream_state *stream = pipe_ctx->stream; - - if (!pipe_ctx->stream->timing.flags.DSC || !dsc) - return false; - - if (enable) { - struct dsc_config dsc_cfg; - uint8_t dsc_packed_pps[128]; - - memset(&dsc_cfg, 0, sizeof(dsc_cfg)); - memset(dsc_packed_pps, 0, 128); - - /* Enable DSC hw block */ - dsc_cfg.pic_width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right; - dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom; - dsc_cfg.pixel_encoding = stream->timing.pixel_encoding; - dsc_cfg.color_depth = stream->timing.display_color_depth; - dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false; - dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg; - - DC_LOG_DSC(" "); - dsc->funcs->dsc_get_packed_pps(dsc, &dsc_cfg, &dsc_packed_pps[0]); - if (dc_is_dp_signal(stream->signal)) { - DC_LOG_DSC("Setting stream encoder DSC PPS SDP for engine %d\n", (int)pipe_ctx->stream_res.stream_enc->id); -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (is_dp_128b_132b_signal(pipe_ctx)) - pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet( - pipe_ctx->stream_res.hpo_dp_stream_enc, - true, - &dsc_packed_pps[0], - immediate_update); - else -#endif - pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet( - pipe_ctx->stream_res.stream_enc, - true, - &dsc_packed_pps[0], - immediate_update); - } - } else { - /* disable DSC PPS in stream encoder */ - if (dc_is_dp_signal(stream->signal)) { -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (is_dp_128b_132b_signal(pipe_ctx)) - pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet( - pipe_ctx->stream_res.hpo_dp_stream_enc, - false, - NULL, - true); - else -#endif - pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet( - pipe_ctx->stream_res.stream_enc, false, NULL, true); - } - } - - return true; -} - - -bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx) -{ - struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; - - if (!pipe_ctx->stream->timing.flags.DSC) - return false; - if (!dsc) - return false; - - dp_set_dsc_on_stream(pipe_ctx, true); - dp_set_dsc_pps_sdp(pipe_ctx, true, false); - return true; -} - -#if defined(CONFIG_DRM_AMD_DC_DCN) -#undef DC_LOGGER -#define DC_LOGGER \ - link->ctx->logger - -static enum phyd32clk_clock_source get_phyd32clk_src(struct dc_link *link) -{ - switch (link->link_enc->transmitter) { - case TRANSMITTER_UNIPHY_A: - return PHYD32CLKA; - case TRANSMITTER_UNIPHY_B: - return PHYD32CLKB; - case TRANSMITTER_UNIPHY_C: - return PHYD32CLKC; - case TRANSMITTER_UNIPHY_D: - return PHYD32CLKD; - case TRANSMITTER_UNIPHY_E: - return PHYD32CLKE; - default: - return PHYD32CLKA; - } -} - -void enable_dp_hpo_output(struct dc_link *link, - const struct link_resource *link_res, - const struct dc_link_settings *link_settings) -{ - const struct dc *dc = link->dc; - enum phyd32clk_clock_source phyd32clk; - - /* Enable PHY PLL at target bit rate - * UHBR10 = 10Gbps (SYMCLK32 = 312.5MHz) - * UBR13.5 = 13.5Gbps (SYMCLK32 = 421.875MHz) - * UHBR20 = 20Gbps (SYMCLK32 = 625MHz) - */ - if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { - switch (link_settings->link_rate) { - case LINK_RATE_UHBR10: - dm_set_phyd32clk(dc->ctx, 312500); - break; - case LINK_RATE_UHBR13_5: - dm_set_phyd32clk(dc->ctx, 412875); - break; - case LINK_RATE_UHBR20: - dm_set_phyd32clk(dc->ctx, 625000); - break; - default: - return; - } - } else { - /* DP2.0 HW: call transmitter control to enable PHY */ - link_res->hpo_dp_link_enc->funcs->enable_link_phy( - link_res->hpo_dp_link_enc, - link_settings, - link->link_enc->transmitter, - link->link_enc->hpd_source); - } - - /* DCCG muxing and DTBCLK DTO */ - if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { - dc->res_pool->dccg->funcs->set_physymclk( - dc->res_pool->dccg, - link->link_enc_hw_inst, - PHYSYMCLK_FORCE_SRC_PHYD32CLK, - true); - - phyd32clk = get_phyd32clk_src(link); - dc->res_pool->dccg->funcs->enable_symclk32_le( - dc->res_pool->dccg, - link_res->hpo_dp_link_enc->inst, - phyd32clk); - link_res->hpo_dp_link_enc->funcs->link_enable( - link_res->hpo_dp_link_enc, - link_settings->lane_count); - } -} - -void disable_dp_hpo_output(struct dc_link *link, - const struct link_resource *link_res, - enum signal_type signal) -{ - const struct dc *dc = link->dc; - - link_res->hpo_dp_link_enc->funcs->link_disable(link_res->hpo_dp_link_enc); - - if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { - dc->res_pool->dccg->funcs->disable_symclk32_le( - dc->res_pool->dccg, - link_res->hpo_dp_link_enc->inst); - - dc->res_pool->dccg->funcs->set_physymclk( - dc->res_pool->dccg, - link->link_enc_hw_inst, - PHYSYMCLK_FORCE_SRC_SYMCLK, - false); - - dm_set_phyd32clk(dc->ctx, 0); - } else { - /* DP2.0 HW: call transmitter control to disable PHY */ - link_res->hpo_dp_link_enc->funcs->disable_link_phy( - link_res->hpo_dp_link_enc, - signal); - } -} - -void setup_dp_hpo_stream(struct pipe_ctx *pipe_ctx, bool enable) -{ - struct dc_stream_state *stream = pipe_ctx->stream; - struct dc *dc = pipe_ctx->stream->ctx->dc; - struct pipe_ctx *odm_pipe; - int odm_combine_num_segments = 1; - enum phyd32clk_clock_source phyd32clk; - - if (enable) { - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) - odm_combine_num_segments++; - - dc->res_pool->dccg->funcs->set_dpstreamclk( - dc->res_pool->dccg, - DTBCLK0, - pipe_ctx->stream_res.tg->inst); - - phyd32clk = get_phyd32clk_src(stream->link); - dc->res_pool->dccg->funcs->enable_symclk32_se( - dc->res_pool->dccg, - pipe_ctx->stream_res.hpo_dp_stream_enc->inst, - phyd32clk); - - dc->res_pool->dccg->funcs->set_dtbclk_dto( - dc->res_pool->dccg, - pipe_ctx->stream_res.tg->inst, - stream->phy_pix_clk, - odm_combine_num_segments, - &stream->timing); - } else { - dc->res_pool->dccg->funcs->set_dtbclk_dto( - dc->res_pool->dccg, - pipe_ctx->stream_res.tg->inst, - 0, - 0, - &stream->timing); - dc->res_pool->dccg->funcs->disable_symclk32_se( - dc->res_pool->dccg, - pipe_ctx->stream_res.hpo_dp_stream_enc->inst); - dc->res_pool->dccg->funcs->set_dpstreamclk( - dc->res_pool->dccg, - REFCLK, - pipe_ctx->stream_res.tg->inst); - } -} - -void reset_dp_hpo_stream_encoders_for_link(struct dc_link *link) -{ - const struct dc *dc = link->dc; - struct dc_state *state = dc->current_state; - uint8_t i; - - for (i = 0; i < MAX_PIPES; i++) { - if (state->res_ctx.pipe_ctx[i].stream_res.hpo_dp_stream_enc && - state->res_ctx.pipe_ctx[i].stream && - state->res_ctx.pipe_ctx[i].stream->link == link && - !state->res_ctx.pipe_ctx[i].stream->dpms_off) { - setup_dp_hpo_stream(&state->res_ctx.pipe_ctx[i], false); - } - } -} - -#undef DC_LOGGER -#endif |