diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/link_dpms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 498 |
1 files changed, 316 insertions, 182 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index 79aef205598b..6ae134147617 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -38,7 +38,6 @@ #include "link_dpms.h" #include "link_hwss.h" #include "link_validation.h" -#include "accessories/link_fpga.h" #include "accessories/link_dp_trace.h" #include "protocols/link_dpcd.h" #include "protocols/link_ddc.h" @@ -56,7 +55,12 @@ #include "dccg.h" #include "clk_mgr.h" #include "atomfirmware.h" -#define DC_LOGGER_INIT(logger) +#include "vpg.h" + +#define DC_LOGGER \ + dc_logger +#define DC_LOGGER_INIT(logger) \ + struct dal_logger *dc_logger = logger #define LINK_INFO(...) \ DC_LOG_HW_HOTPLUG( \ @@ -65,7 +69,6 @@ #define RETIMER_REDRIVER_INFO(...) \ DC_LOG_RETIMER_REDRIVER( \ __VA_ARGS__) -#include "dc/dcn30/dcn30_vpg.h" #define MAX_MTP_SLOT_COUNT 64 #define LINK_TRAINING_ATTEMPTS 4 @@ -125,7 +128,7 @@ void link_blank_dp_stream(struct dc_link *link, bool hw_init) if (link->ep_type == DISPLAY_ENDPOINT_PHY && link->link_enc->funcs->get_dig_frontend && link->link_enc->funcs->is_dig_enabled(link->link_enc)) { - unsigned int fe = link->link_enc->funcs->get_dig_frontend(link->link_enc); + int fe = link->link_enc->funcs->get_dig_frontend(link->link_enc); if (fe != ENGINE_ID_UNKNOWN) for (j = 0; j < dc->res_pool->stream_enc_count; j++) { @@ -137,7 +140,8 @@ void link_blank_dp_stream(struct dc_link *link, bool hw_init) } } - if ((!link->wa_flags.dp_keep_receiver_powered) || hw_init) + if (((!dc->is_switch_in_progress_dest) && ((!link->wa_flags.dp_keep_receiver_powered) || hw_init)) && + (link->type != dc_connection_none)) dpcd_write_rx_power_ctrl(link, false); } } @@ -145,6 +149,7 @@ void link_blank_dp_stream(struct dc_link *link, bool hw_init) void link_set_all_streams_dpms_off_for_link(struct dc_link *link) { struct pipe_ctx *pipes[MAX_PIPES]; + struct dc_stream_state *streams[MAX_PIPES]; struct dc_state *state = link->dc->current_state; uint8_t count; int i; @@ -157,10 +162,18 @@ void link_set_all_streams_dpms_off_for_link(struct dc_link *link) link_get_master_pipes_with_dpms_on(link, state, &count, pipes); + /* The subsequent call to dc_commit_updates_for_stream for a full update + * will release the current state and swap to a new state. Releasing the + * current state results in the stream pointers in the pipe_ctx structs + * to be zero'd. Hence, cache all streams prior to dc_commit_updates_for_stream. + */ + for (i = 0; i < count; i++) + streams[i] = pipes[i]->stream; + for (i = 0; i < count; i++) { - stream_update.stream = pipes[i]->stream; + stream_update.stream = streams[i]; dc_commit_updates_for_stream(link->ctx->dc, NULL, 0, - pipes[i]->stream, &stream_update, + streams[i], &stream_update, state); } @@ -649,15 +662,15 @@ static void write_i2c_redriver_setting( static void update_psp_stream_config(struct pipe_ctx *pipe_ctx, bool dpms_off) { struct cp_psp *cp_psp = &pipe_ctx->stream->ctx->cp_psp; - struct link_encoder *link_enc = NULL; + struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc; struct cp_psp_stream_config config = {0}; enum dp_panel_mode panel_mode = dp_get_panel_mode(pipe_ctx->stream->link); if (cp_psp == NULL || cp_psp->funcs.update_stream_config == NULL) return; - - link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link); + if (!pipe_ctx->stream->ctx->dc->config.unify_link_enc_assignment) + link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link); ASSERT(link_enc); if (link_enc == NULL) return; @@ -723,7 +736,7 @@ static void set_avmute(struct pipe_ctx *pipe_ctx, bool enable) static void enable_mst_on_sink(struct dc_link *link, bool enable) { - unsigned char mstmCntl; + unsigned char mstmCntl = 0; core_link_read_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1); if (enable) @@ -769,15 +782,45 @@ static bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable) return result; } +static bool dp_set_hblank_reduction_on_rx(struct pipe_ctx *pipe_ctx) +{ + 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)) + result = true; + else + result = dm_helpers_dp_write_hblank_reduction(dc->ctx, stream); + 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 link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) { + /* TODO: Move this to HWSS as this is hardware programming sequence not a + * link layer sequence + */ 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; + struct dccg *dccg = dc->res_pool->dccg; + /* It has been found that when DSCCLK is lower than 16Mhz, we will get DCN + * register access hung. When DSCCLk is based on refclk, DSCCLk is always a + * fixed value higher than 16Mhz so the issue doesn't occur. When DSCCLK is + * generated by DTO, DSCCLK would be based on 1/3 dispclk. For small timings + * with DSC such as 480p60Hz, the dispclk could be low enough to trigger + * this problem. We are implementing a workaround here to keep using dscclk + * based on fixed value refclk when timing is smaller than 3x16Mhz (i.e + * 48Mhz) pixel clock to avoid hitting this problem. + */ + bool should_use_dto_dscclk = (dccg->funcs->set_dto_dscclk != NULL) && + stream->timing.pix_clk_100hz > 480000; DC_LOGGER_INIT(dsc->ctx->logger); for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) @@ -785,11 +828,12 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) if (enable) { struct dsc_config dsc_cfg; - struct dsc_optc_config dsc_optc_cfg; + struct dsc_optc_config dsc_optc_cfg = {0}; 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_width = (stream->timing.h_addressable + pipe_ctx->dsc_padding_params.dsc_hactive_padding + + 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; @@ -797,12 +841,17 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) 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_cfg.dsc_padding = pipe_ctx->dsc_padding_params.dsc_hactive_padding; + if (should_use_dto_dscclk) + dccg->funcs->set_dto_dscclk(dccg, dsc->inst, dsc_cfg.dc_dsc_cfg.num_slices_h); 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; + if (should_use_dto_dscclk) + dccg->funcs->set_dto_dscclk(dccg, odm_dsc->inst, dsc_cfg.dc_dsc_cfg.num_slices_h); 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); } @@ -815,10 +864,11 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) if (dc_is_dp_signal(stream->signal) && !dp_is_128b_132b_signal(pipe_ctx)) { 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); + if (pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config) + 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 */ } @@ -845,18 +895,43 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) NULL, true); else { - pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config( - pipe_ctx->stream_res.stream_enc, - OPTC_DSC_DISABLED, 0, 0); + if (pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config) + 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) + for (odm_pipe = pipe_ctx; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { + odm_pipe->stream_res.dsc->funcs->dsc_disconnect(odm_pipe->stream_res.dsc); + /* + * TODO - dsc_disconnect is a double buffered register. + * by the time we call dsc_disable, dsc may still remain + * connected to OPP. In this case OPTC will no longer + * get correct pixel data because DSCC is off. However + * we also can't wait for the disconnect pending + * complete, because this function can be called + * with/without OTG master lock acquired. When the lock + * is acquired we will never get pending complete until + * we release the lock later. So there is no easy way to + * solve this problem especially when the lock is + * acquired. DSC is a front end hw block it should be + * programmed as part of front end sequence, where the + * commit sequence without lock and update sequence + * with lock are completely separated. However because + * we are programming dsc as part of back end link + * programming sequence, we don't know if front end OPTC + * master lock is acquired. The back end should be + * agnostic to front end lock. DSC programming shouldn't + * belong to this sequence. + */ odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc); + if (dccg->funcs->set_ref_dscclk) + dccg->funcs->set_ref_dscclk(dccg, odm_pipe->stream_res.dsc->inst); + } } } @@ -873,11 +948,15 @@ bool link_set_dsc_pps_packet(struct pipe_ctx *pipe_ctx, bool enable, bool immedi { struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; struct dc_stream_state *stream = pipe_ctx->stream; - DC_LOGGER_INIT(dsc->ctx->logger); - if (!pipe_ctx->stream->timing.flags.DSC || !dsc) + if (!pipe_ctx->stream->timing.flags.DSC) return false; + if (!dsc) + return false; + + DC_LOGGER_INIT(dsc->ctx->logger); + if (enable) { struct dsc_config dsc_cfg; uint8_t dsc_packed_pps[128]; @@ -892,6 +971,7 @@ bool link_set_dsc_pps_packet(struct pipe_ctx *pipe_ctx, bool enable, bool immedi 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; + dsc_cfg.dsc_padding = pipe_ctx->dsc_padding_params.dsc_hactive_padding; dsc->funcs->dsc_get_packed_pps(dsc, &dsc_cfg, &dsc_packed_pps[0]); memcpy(&stream->dsc_packed_pps[0], &dsc_packed_pps[0], sizeof(stream->dsc_packed_pps)); @@ -1055,18 +1135,21 @@ static struct fixed31_32 get_pbn_from_bw_in_kbps(uint64_t kbps) uint32_t denominator = 1; /* - * margin 5300ppm + 300ppm ~ 0.6% as per spec, factor is 1.006 + * The 1.006 factor (margin 5300ppm + 300ppm ~ 0.6% as per spec) is not + * required when determining PBN/time slot utilization on the link between + * us and the branch, since that overhead is already accounted for in + * the get_pbn_per_slot function. + * * The unit of 54/64Mbytes/sec is an arbitrary unit chosen based on * common multiplier to render an integer PBN for all link rate/lane * counts combinations * calculate - * peak_kbps *= (1006/1000) * peak_kbps *= (64/54) - * peak_kbps *= 8 convert to bytes + * peak_kbps /= (8 * 1000) convert to bytes */ - numerator = 64 * PEAK_FACTOR_X1000; - denominator = 54 * 8 * 1000 * 1000; + numerator = 64; + denominator = 54 * 8 * 1000; kbps *= numerator; peak_kbps = dc_fixpt_from_fraction(kbps, denominator); @@ -1123,12 +1206,13 @@ static bool poll_for_allocation_change_trigger(struct dc_link *link) int i; const int act_retries = 30; enum act_return_status result = ACT_FAILED; + enum dc_connection_type display_connected = (link->type != dc_connection_none); union payload_table_update_status update_status = {0}; union lane_status dpcd_lane_status[LANE_COUNT_DP_MAX]; union lane_align_status_updated lane_status_updated; DC_LOGGER_INIT(link->ctx->logger); - if (link->aux_access_disabled) + if (!display_connected || link->aux_access_disabled) return true; for (i = 0; i < act_retries; i++) { get_lane_status(link, link->cur_link_settings.lane_count, dpcd_lane_status, &lane_status_updated); @@ -1245,86 +1329,6 @@ static void remove_stream_from_alloc_table( } } -static enum dc_status deallocate_mst_payload_with_temp_drm_wa( - struct pipe_ctx *pipe_ctx) -{ - struct dc_stream_state *stream = pipe_ctx->stream; - struct dc_link *link = stream->link; - struct dc_dp_mst_stream_allocation_table proposed_table = {0}; - struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_from_int(0); - int i; - bool mst_mode = (link->type == dc_connection_mst_branch); - /* adjust for drm changes*/ - const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res); - const struct dc_link_settings empty_link_settings = {0}; - DC_LOGGER_INIT(link->ctx->logger); - - if (link_hwss->ext.set_throttled_vcp_size) - link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp); - if (link_hwss->ext.set_hblank_min_symbol_width) - link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx, - &empty_link_settings, - avg_time_slots_per_mtp); - - if (dm_helpers_dp_mst_write_payload_allocation_table( - stream->ctx, - stream, - &proposed_table, - false)) - update_mst_stream_alloc_table( - link, - pipe_ctx->stream_res.stream_enc, - pipe_ctx->stream_res.hpo_dp_stream_enc, - &proposed_table); - else - DC_LOG_WARNING("Failed to update" - "MST allocation table for" - "pipe idx:%d\n", - pipe_ctx->pipe_idx); - - DC_LOG_MST("%s" - "stream_count: %d: ", - __func__, - link->mst_stream_alloc_table.stream_count); - - for (i = 0; i < MAX_CONTROLLER_NUM; i++) { - DC_LOG_MST("stream_enc[%d]: %p " - "stream[%d].hpo_dp_stream_enc: %p " - "stream[%d].vcp_id: %d " - "stream[%d].slot_count: %d\n", - i, - (void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc, - i, - (void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc, - i, - link->mst_stream_alloc_table.stream_allocations[i].vcp_id, - i, - link->mst_stream_alloc_table.stream_allocations[i].slot_count); - } - - if (link_hwss->ext.update_stream_allocation_table == NULL || - link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) { - DC_LOG_DEBUG("Unknown encoding format\n"); - return DC_ERROR_UNEXPECTED; - } - - link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res, - &link->mst_stream_alloc_table); - - if (mst_mode) { - dm_helpers_dp_mst_poll_for_allocation_change_trigger( - stream->ctx, - stream); - } - - dm_helpers_dp_mst_send_payload_allocation( - stream->ctx, - stream, - false); - - return DC_OK; -} - static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx) { struct dc_stream_state *stream = pipe_ctx->stream; @@ -1337,9 +1341,6 @@ static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx) const struct dc_link_settings empty_link_settings = {0}; DC_LOGGER_INIT(link->ctx->logger); - if (link->dc->debug.temp_mst_deallocation_sequence) - return deallocate_mst_payload_with_temp_drm_wa(pipe_ctx); - /* deallocate_mst_payload is called before disable link. When mode or * disable/enable monitor, new stream is created which is not in link * stream[] yet. For this, payload is not allocated yet, so de-alloc @@ -1412,16 +1413,14 @@ static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx) link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res, &link->mst_stream_alloc_table); - if (mst_mode) { + if (mst_mode) dm_helpers_dp_mst_poll_for_allocation_change_trigger( stream->ctx, stream); - dm_helpers_dp_mst_send_payload_allocation( - stream->ctx, - stream, - false); - } + dm_helpers_dp_mst_update_mst_mgr_for_deallocation( + stream->ctx, + stream); return DC_OK; } @@ -1502,12 +1501,10 @@ static enum dc_status allocate_mst_payload(struct pipe_ctx *pipe_ctx) stream->ctx, stream); - if (ret != ACT_LINK_LOST) { + if (ret != ACT_LINK_LOST) dm_helpers_dp_mst_send_payload_allocation( stream->ctx, - stream, - true); - } + stream); /* slot X.Y for only current stream */ pbn_per_slot = get_pbn_per_slot(stream); @@ -1564,6 +1561,7 @@ static bool write_128b_132b_sst_payload_allocation_table( union payload_table_update_status update_status = { 0 }; const uint32_t max_retries = 30; uint32_t retries = 0; + enum dc_connection_type display_connected = (link->type != dc_connection_none); DC_LOGGER_INIT(link->ctx->logger); if (allocate) { @@ -1581,7 +1579,7 @@ static bool write_128b_132b_sst_payload_allocation_table( proposed_table->stream_allocations[0].slot_count = req_slot_count; proposed_table->stream_allocations[0].vcp_id = vc_id; - if (link->aux_access_disabled) + if (!display_connected || link->aux_access_disabled) return true; /// Write DPCD 2C0 = 1 to start updating @@ -1628,7 +1626,7 @@ static bool write_128b_132b_sst_payload_allocation_table( break; } } else { - union dpcd_rev dpcdRev; + union dpcd_rev dpcdRev = {0}; if (core_link_read_dpcd( link, @@ -1767,8 +1765,7 @@ enum dc_status link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw_in /* send ALLOCATE_PAYLOAD sideband message with updated pbn */ dm_helpers_dp_mst_send_payload_allocation( stream->ctx, - stream, - true); + stream); /* notify immediate branch device table update */ if (dm_helpers_dp_mst_write_payload_allocation_table( @@ -1897,8 +1894,7 @@ enum dc_status link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw_ /* send ALLOCATE_PAYLOAD sideband message with updated pbn */ dm_helpers_dp_mst_send_payload_allocation( stream->ctx, - stream, - true); + stream); } /* increase throttled vcp size */ @@ -1930,7 +1926,7 @@ static void disable_link_dp(struct dc_link *link, dp_disable_link_phy(link, link_res, signal); if (link->connector_signal == SIGNAL_TYPE_EDP) { - if (!link->dc->config.edp_no_power_sequencing) + if (!link->skip_implict_edp_power_control) link->dc->hwss.edp_power_control(link, false); } @@ -1940,7 +1936,7 @@ static void disable_link_dp(struct dc_link *link, if (link_dp_get_encoding_format(&link_settings) == DP_8b_10b_ENCODING) { - dp_set_fec_enable(link, false); + dp_set_fec_enable(link, link_res, false); dp_set_fec_ready(link, link_res, false); } } @@ -1951,7 +1947,9 @@ static void disable_link(struct dc_link *link, { if (dc_is_dp_signal(signal)) { disable_link_dp(link, link_res, signal); - } else if (signal != SIGNAL_TYPE_VIRTUAL) { + } else if (signal == SIGNAL_TYPE_VIRTUAL) { + link->dc->hwss.disable_link_output(link, link_res, SIGNAL_TYPE_DISPLAY_PORT); + } else { link->dc->hwss.disable_link_output(link, link_res, signal); } @@ -1981,11 +1979,15 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx) stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10; if (stream->phy_pix_clk > 340000) is_over_340mhz = true; + if (dc_is_tmds_signal(stream->signal) && stream->phy_pix_clk > 6000000UL) { + ASSERT(false); + return; + } if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) { unsigned short masked_chip_caps = pipe_ctx->stream->link->chip_caps & - EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK; - if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) { + AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK; + if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) { /* DP159, Retimer settings */ eng_id = pipe_ctx->stream_res.stream_enc->id; @@ -1996,7 +1998,7 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx) write_i2c_default_retimer_setting(pipe_ctx, is_vga_mode, is_over_340mhz); } - } else if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) { + } else if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) { /* PI3EQX1204, Redriver settings */ write_i2c_redriver_setting(pipe_ctx, is_over_340mhz); } @@ -2018,7 +2020,7 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx) /* We need to enable stream encoder for TMDS first to apply 1/4 TMDS * character clock in case that beyond 340MHz. */ - if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal)) + if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) || dc_is_dvi_signal(pipe_ctx->stream->signal)) link_hwss->setup_stream_encoder(pipe_ctx); dc->hwss.enable_tmds_link_output( @@ -2052,7 +2054,7 @@ static enum dc_status enable_link_dp(struct dc_state *state, int lt_attempts = LINK_TRAINING_ATTEMPTS; // Increase retry count if attempting DP1.x on FIXED_VS link - if ((link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) && + if (((link->chip_caps & AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK) == AMD_EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) && link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING) lt_attempts = 10; @@ -2064,17 +2066,12 @@ static enum dc_status enable_link_dp(struct dc_state *state, } } - /* - * If the link is DP-over-USB4 do the following: - * - Train with fallback when enabling DPIA link. Conventional links are + /* Train with fallback when enabling DPIA link. Conventional links are * trained with fallback during sink detection. - * - Allocate only what the stream needs for bw in Gbps. Inform the CM - * in case stream needs more or less bw from what has been allocated - * earlier at plug time. */ - if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) { + if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA && + !link->dc->config.enable_dpia_pre_training) do_fallback = true; - } /* * Temporary w/a to get DP2.0 link rates to work with SST. @@ -2117,6 +2114,9 @@ static enum dc_status enable_link_dp(struct dc_state *state, if (link_settings->link_rate == LINK_RATE_LOW) skip_video_pattern = false; + if (stream->sink_patches.oled_optimize_display_on) + set_default_brightness_aux(link); + if (perform_link_training_with_retries(link_settings, skip_video_pattern, lt_attempts, @@ -2134,17 +2134,20 @@ static enum dc_status enable_link_dp(struct dc_state *state, fec_enable = true; if (link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING) - dp_set_fec_enable(link, fec_enable); + dp_set_fec_enable(link, &pipe_ctx->link_res, fec_enable); // during mode set we do DP_SET_POWER off then on, aux writes are lost if (link->dpcd_sink_ext_caps.bits.oled == 1 || link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1 || link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1) { - set_cached_brightness_aux(link); - - if (link->dpcd_sink_ext_caps.bits.oled == 1) - msleep(bl_oled_enable_delay); - edp_backlight_enable_aux(link, true); + if (!stream->sink_patches.oled_optimize_display_on) { + set_default_brightness_aux(link); + if (link->dpcd_sink_ext_caps.bits.oled == 1) + msleep(bl_oled_enable_delay); + edp_backlight_enable_aux(link, true); + } else { + edp_backlight_enable_aux(link, true); + } } return status; @@ -2181,7 +2184,7 @@ static enum dc_status enable_link_dp_mst( struct pipe_ctx *pipe_ctx) { struct dc_link *link = pipe_ctx->stream->link; - unsigned char mstm_cntl; + unsigned char mstm_cntl = 0; /* sink signal type after MST branch is MST. Multiple MST sinks * share one link. Link DP PHY is enable or training only once. @@ -2205,13 +2208,29 @@ static enum dc_status enable_link_dp_mst( return enable_link_dp(state, pipe_ctx); } +static enum dc_status enable_link_virtual(struct pipe_ctx *pipe_ctx) +{ + struct dc_link *link = pipe_ctx->stream->link; + + link->dc->hwss.enable_dp_link_output(link, + &pipe_ctx->link_res, + SIGNAL_TYPE_DISPLAY_PORT, + pipe_ctx->clock_source->id, + &pipe_ctx->link_config.dp_link_settings); + return DC_OK; +} + static enum dc_status enable_link( struct dc_state *state, struct pipe_ctx *pipe_ctx) { enum dc_status status = DC_ERROR_UNEXPECTED; struct dc_stream_state *stream = pipe_ctx->stream; - struct dc_link *link = stream->link; + struct dc_link *link = NULL; + + if (stream == NULL) + return DC_ERROR_UNEXPECTED; + link = stream->link; /* There's some scenarios where driver is unloaded with display * still enabled. When driver is reloaded, it may cause a display @@ -2219,7 +2238,7 @@ static enum dc_status enable_link( * link settings. Need to call disable first before enabling at * new link settings. */ - if (link->link_status.link_active && !stream->skip_edp_power_down) + if (link->link_status.link_active) disable_link(link, &pipe_ctx->link_res, pipe_ctx->stream->signal); switch (pipe_ctx->stream->signal) { @@ -2243,9 +2262,12 @@ static enum dc_status enable_link( enable_link_lvds(pipe_ctx); status = DC_OK; break; - case SIGNAL_TYPE_VIRTUAL: + case SIGNAL_TYPE_RGB: status = DC_OK; break; + case SIGNAL_TYPE_VIRTUAL: + status = enable_link_virtual(pipe_ctx); + break; default: break; } @@ -2257,32 +2279,100 @@ static enum dc_status enable_link( return status; } +static bool allocate_usb4_bandwidth_for_stream(struct dc_stream_state *stream, int bw) +{ + struct dc_link *link = stream->sink->link; + int req_bw = bw; + + DC_LOGGER_INIT(link->ctx->logger); + + if (!link->dpia_bw_alloc_config.bw_alloc_enabled) + return false; + + if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { + int sink_index = 0; + int i = 0; + + for (i = 0; i < link->sink_count; i++) { + if (link->remote_sinks[i] == NULL) + continue; + + if (stream->sink->sink_id != link->remote_sinks[i]->sink_id) + req_bw += link->dpia_bw_alloc_config.remote_sink_req_bw[i]; + else + sink_index = i; + } + + link->dpia_bw_alloc_config.remote_sink_req_bw[sink_index] = bw; + } + + link->dpia_bw_alloc_config.dp_overhead = link_dpia_get_dp_overhead(link); + req_bw += link->dpia_bw_alloc_config.dp_overhead; + + link_dp_dpia_allocate_usb4_bandwidth_for_stream(link, req_bw); + + if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { + int i = 0; + + for (i = 0; i < link->sink_count; i++) { + if (link->remote_sinks[i] == NULL) + continue; + DC_LOG_DEBUG("%s, remote_sink=%s, request_bw=%d\n", __func__, + (const char *)(&link->remote_sinks[i]->edid_caps.display_name[0]), + link->dpia_bw_alloc_config.remote_sink_req_bw[i]); + } + } + + return true; +} + +static bool allocate_usb4_bandwidth(struct dc_stream_state *stream) +{ + bool ret; + + int bw = dc_bandwidth_in_kbps_from_timing(&stream->timing, + dc_link_get_highest_encoding_format(stream->sink->link)); + + ret = allocate_usb4_bandwidth_for_stream(stream, bw); + + return ret; +} + +static bool deallocate_usb4_bandwidth(struct dc_stream_state *stream) +{ + bool ret; + + ret = allocate_usb4_bandwidth_for_stream(stream, 0); + + return ret; +} + void link_set_dpms_off(struct pipe_ctx *pipe_ctx) { struct dc *dc = pipe_ctx->stream->ctx->dc; struct dc_stream_state *stream = pipe_ctx->stream; struct dc_link *link = stream->sink->link; struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg; + enum dp_panel_mode panel_mode_dp = dp_get_panel_mode(link); + + DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger); ASSERT(is_master_pipe_for_link(link, pipe_ctx)); if (dp_is_128b_132b_signal(pipe_ctx)) vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg; - - DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger); + if (dc_is_virtual_signal(pipe_ctx->stream->signal)) + return; if (pipe_ctx->stream->sink) { if (pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL && pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_NONE) { - DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x\n", __func__, + DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x link=%d\n", __func__, pipe_ctx->stream->sink->edid_caps.display_name, - pipe_ctx->stream->signal); + pipe_ctx->stream->signal, link->link_index); } } - if (dc_is_virtual_signal(pipe_ctx->stream->signal)) - return; - if (!pipe_ctx->stream->sink->edid_caps.panel_patch.skip_avmute) { if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) set_avmute(pipe_ctx, true); @@ -2293,9 +2383,12 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) update_psp_stream_config(pipe_ctx, true); dc->hwss.blank_stream(pipe_ctx); + if (pipe_ctx->link_config.dp_tunnel_settings.should_use_dp_bw_allocation) + deallocate_usb4_bandwidth(pipe_ctx->stream); + if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) deallocate_mst_payload(pipe_ctx); - else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT && + else if (dc_is_dp_sst_signal(pipe_ctx->stream->signal) && dp_is_128b_132b_signal(pipe_ctx)) update_sst_payload(pipe_ctx, false); @@ -2304,13 +2397,13 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) enum engine_id eng_id = pipe_ctx->stream_res.stream_enc->id; unsigned short masked_chip_caps = link->chip_caps & - EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK; + AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK; //Need to inform that sink is going to use legacy HDMI mode. write_scdc_data( link->ddc, 165000,//vbios only handles 165Mhz. false); - if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) { + if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) { /* DP159, Retimer settings */ if (get_ext_hdmi_settings(pipe_ctx, eng_id, &settings)) write_i2c_retimer_setting(pipe_ctx, @@ -2318,7 +2411,7 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) else write_i2c_default_retimer_setting(pipe_ctx, false, false); - } else if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) { + } else if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) { /* PI3EQX1204, Redriver settings */ write_i2c_redriver_setting(pipe_ctx, false); } @@ -2338,10 +2431,9 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) dc->hwss.disable_stream(pipe_ctx); } else { dc->hwss.disable_stream(pipe_ctx); - if (!pipe_ctx->stream->skip_edp_power_down) { - disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal); - } + disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal); } + edp_set_panel_assr(link, pipe_ctx, &panel_mode_dp, false); if (pipe_ctx->stream->timing.flags.DSC) { if (dc_is_dp_signal(pipe_ctx->stream->signal)) @@ -2354,6 +2446,14 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) if (vpg && vpg->funcs->vpg_powerdown) vpg->funcs->vpg_powerdown(vpg); + + /* for psp not exist case */ + if (link->connector_signal == SIGNAL_TYPE_EDP && dc->debug.psp_disabled_wa) { + /* reset internal save state to default since eDP is off */ + enum dp_panel_mode panel_mode = dp_get_panel_mode(pipe_ctx->stream->link); + /* since current psp not loaded, we need to reset it to default */ + link->panel_mode = panel_mode; + } } void link_set_dpms_on( @@ -2364,33 +2464,34 @@ void link_set_dpms_on( struct dc_stream_state *stream = pipe_ctx->stream; struct dc_link *link = stream->sink->link; enum dc_status status; - struct link_encoder *link_enc; + struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc; enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO; struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg; const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res); bool apply_edp_fast_boot_optimization = pipe_ctx->stream->apply_edp_fast_boot_optimization; + DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger); + ASSERT(is_master_pipe_for_link(link, pipe_ctx)); if (dp_is_128b_132b_signal(pipe_ctx)) vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg; - - DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger); + if (dc_is_virtual_signal(pipe_ctx->stream->signal)) + return; if (pipe_ctx->stream->sink) { if (pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL && pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_NONE) { - DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x\n", __func__, + DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x link=%d\n", __func__, pipe_ctx->stream->sink->edid_caps.display_name, - pipe_ctx->stream->signal); + pipe_ctx->stream->signal, + link->link_index); } } - if (dc_is_virtual_signal(pipe_ctx->stream->signal)) - return; - - link_enc = link_enc_cfg_get_link_enc(link); + if (!dc->config.unify_link_enc_assignment) + link_enc = link_enc_cfg_get_link_enc(link); ASSERT(link_enc); if (!dc_is_virtual_signal(pipe_ctx->stream->signal) @@ -2446,12 +2547,29 @@ void link_set_dpms_on( !pipe_ctx->next_odm_pipe) { pipe_ctx->stream->dpms_off = false; update_psp_stream_config(pipe_ctx, false); + + if (link->is_dds) { + uint32_t post_oui_delay = 30; // 30ms + + dpcd_set_source_specific_data(link); + msleep(post_oui_delay); + } + return; } if (pipe_ctx->stream->dpms_off) return; + /* For Dp tunneling link, a pending HPD means that we have a race condition between processing + * current link and processing the pending HPD. If we enable the link now, we may end up with a + * link that is not actually connected to a sink. So we skip enabling the link in this case. + */ + if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA && link->is_hpd_pending) { + DC_LOG_DEBUG("%s, Link%d HPD is pending, not enable it.\n", __func__, link->link_index); + return; + } + /* Have to setup DSC before DIG FE and BE are connected (which happens before the * link training). This is to make sure the bandwidth sent to DIG BE won't be * bigger than what the link and/or DIG BE can handle. VBID[6]/CompressedStream_flag @@ -2460,9 +2578,8 @@ void link_set_dpms_on( */ if (pipe_ctx->stream->timing.flags.DSC) { if (dc_is_dp_signal(pipe_ctx->stream->signal) || - dc_is_virtual_signal(pipe_ctx->stream->signal)) - link_set_dsc_enable(pipe_ctx, true); - + dc_is_virtual_signal(pipe_ctx->stream->signal)) + link_set_dsc_enable(pipe_ctx, true); } status = enable_link(state, pipe_ctx); @@ -2499,10 +2616,12 @@ void link_set_dpms_on( */ if (!(dc_is_virtual_signal(pipe_ctx->stream->signal) || dp_is_128b_132b_signal(pipe_ctx))) { + if (link_enc) link_enc->funcs->setup( link_enc, pipe_ctx->stream->signal); + } dc->hwss.enable_stream(pipe_ctx); @@ -2516,12 +2635,27 @@ void link_set_dpms_on( } } + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_set_hblank_reduction_on_rx(pipe_ctx); + + if (pipe_ctx->link_config.dp_tunnel_settings.should_use_dp_bw_allocation) + allocate_usb4_bandwidth(pipe_ctx->stream); + if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) allocate_mst_payload(pipe_ctx); - else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT && + else if (dc_is_dp_sst_signal(pipe_ctx->stream->signal) && dp_is_128b_132b_signal(pipe_ctx)) update_sst_payload(pipe_ctx, true); + /* Corruption was observed on systems with display mux when stream gets + * enabled after the mux switch. Having a small delay between link + * training and stream unblank resolves the corruption issue. + * This is workaround. + */ + if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP && + link->is_display_mux_present) + msleep(20); + dc->hwss.unblank_stream(pipe_ctx, &pipe_ctx->stream->link->cur_link_settings); |
