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 | 78 |
1 files changed, 45 insertions, 33 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 ec7de9c01fab..8c8682f743d6 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -140,7 +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); } } @@ -148,6 +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; @@ -160,10 +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); } @@ -652,15 +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; @@ -833,14 +843,14 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt; if (should_use_dto_dscclk) - dccg->funcs->set_dto_dscclk(dccg, dsc->inst); + 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); + 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); } @@ -1924,7 +1934,7 @@ 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); } } @@ -2122,7 +2132,7 @@ 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 || @@ -2287,26 +2297,10 @@ static bool allocate_usb4_bandwidth_for_stream(struct dc_stream_state *stream, i link->dpia_bw_alloc_config.remote_sink_req_bw[sink_index] = bw; } - /* get dp overhead for dp tunneling */ - link->dpia_bw_alloc_config.dp_overhead = link_dp_dpia_get_dp_overhead_in_dp_tunneling(link); + link->dpia_bw_alloc_config.dp_overhead = link_dpia_get_dp_overhead(link); req_bw += link->dpia_bw_alloc_config.dp_overhead; - if (link_dp_dpia_allocate_usb4_bandwidth_for_stream(link, req_bw)) { - if (req_bw <= link->dpia_bw_alloc_config.allocated_bw) { - DC_LOG_DEBUG("%s, Success in allocate bw for link(%d), allocated_bw(%d), dp_overhead(%d)\n", - __func__, link->link_index, link->dpia_bw_alloc_config.allocated_bw, - link->dpia_bw_alloc_config.dp_overhead); - } else { - // Cannot get the required bandwidth. - DC_LOG_ERROR("%s, Failed to allocate bw for link(%d), allocated_bw(%d), dp_overhead(%d)\n", - __func__, link->link_index, link->dpia_bw_alloc_config.allocated_bw, - link->dpia_bw_alloc_config.dp_overhead); - return false; - } - } else { - DC_LOG_DEBUG("%s, usb4 request bw timeout\n", __func__); - return false; - } + link_dp_dpia_allocate_usb4_bandwidth_for_stream(link, req_bw); if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { int i = 0; @@ -2380,7 +2374,7 @@ 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->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) + 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) @@ -2448,7 +2442,7 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) 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*/ + /* since current psp not loaded, we need to reset it to default */ link->panel_mode = panel_mode; } } @@ -2461,7 +2455,7 @@ 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); @@ -2486,7 +2480,8 @@ void link_set_dpms_on( } } - 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) @@ -2542,6 +2537,14 @@ 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; } @@ -2625,7 +2628,7 @@ 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->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) + 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) @@ -2634,6 +2637,15 @@ void link_set_dpms_on( 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); |