diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 92 |
1 files changed, 74 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index cef8c1ba9797..a09119c10d7c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -45,6 +45,7 @@ #include "dpcd_defs.h" #include "dmcu.h" #include "hw/clk_mgr.h" +#include "../dce/dmub_psr.h" #define DC_LOGGER_INIT(logger) @@ -817,8 +818,8 @@ static bool dc_link_detect_helper(struct dc_link *link, } case SIGNAL_TYPE_EDP: { - read_current_link_settings_on_detect(link); detect_edp_sink_caps(link); + read_current_link_settings_on_detect(link); sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX; sink_caps.signal = SIGNAL_TYPE_EDP; break; @@ -850,18 +851,12 @@ static bool dc_link_detect_helper(struct dc_link *link, if (memcmp(&link->dpcd_caps, &prev_dpcd_caps, sizeof(struct dpcd_caps))) same_dpcd = false; } - /* Active dongle plug in without display or downstream unplug*/ + /* Active dongle downstream unplug*/ if (link->type == dc_connection_active_dongle && link->dpcd_caps.sink_count.bits.SINK_COUNT == 0) { - if (prev_sink != NULL) { + if (prev_sink != NULL) /* Downstream unplug */ dc_sink_release(prev_sink); - } else { - /* Empty dongle plug in */ - dp_verify_link_cap_with_retries(link, - &link->reported_link_cap, - LINK_TRAINING_MAX_VERIFY_RETRY); - } return true; } @@ -968,8 +963,7 @@ static bool dc_link_detect_helper(struct dc_link *link, same_edid = is_same_edid(&prev_sink->dc_edid, &sink->dc_edid); if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT && - sink_caps.transaction_type == DDC_TRANSACTION_TYPE_I2C_OVER_AUX && - reason != DETECT_REASON_HPDRX) { + sink_caps.transaction_type == DDC_TRANSACTION_TYPE_I2C_OVER_AUX) { /* * TODO debug why Dell 2413 doesn't like * two link trainings @@ -2404,10 +2398,11 @@ bool dc_link_set_psr_allow_active(struct dc_link *link, bool allow_active, bool { struct dc *dc = link->ctx->dc; struct dmcu *dmcu = dc->res_pool->dmcu; + struct dmub_psr *psr = dc->res_pool->psr; - - - if ((dmcu != NULL && dmcu->funcs->is_dmcu_initialized(dmcu)) && link->psr_feature_enabled) + if ((psr != NULL) && link->psr_feature_enabled) + psr->funcs->set_psr_enable(psr, allow_active); + else if ((dmcu != NULL && dmcu->funcs->is_dmcu_initialized(dmcu)) && link->psr_feature_enabled) dmcu->funcs->set_psr_enable(dmcu, allow_active, wait); link->psr_allow_active = allow_active; @@ -2419,8 +2414,11 @@ bool dc_link_get_psr_state(const struct dc_link *link, uint32_t *psr_state) { struct dc *dc = link->ctx->dc; struct dmcu *dmcu = dc->res_pool->dmcu; + struct dmub_psr *psr = dc->res_pool->psr; - if (dmcu != NULL && link->psr_feature_enabled) + if (psr != NULL && link->psr_feature_enabled) + psr->funcs->get_psr_state(psr_state); + else if (dmcu != NULL && link->psr_feature_enabled) dmcu->funcs->get_psr_state(dmcu, psr_state); return true; @@ -2467,6 +2465,7 @@ bool dc_link_setup_psr(struct dc_link *link, { struct dc *dc; struct dmcu *dmcu; + struct dmub_psr *psr; int i; /* updateSinkPsrDpcdConfig*/ union dpcd_psr_configuration psr_configuration; @@ -2478,8 +2477,9 @@ bool dc_link_setup_psr(struct dc_link *link, dc = link->ctx->dc; dmcu = dc->res_pool->dmcu; + psr = dc->res_pool->psr; - if (!dmcu) + if (!dmcu && !psr) return false; @@ -2535,7 +2535,7 @@ bool dc_link_setup_psr(struct dc_link *link, transmitter_to_phy_id(link->link_enc->transmitter); psr_context->crtcTimingVerticalTotal = stream->timing.v_total; - psr_context->vsyncRateHz = div64_u64(div64_u64((stream-> + psr_context->vsync_rate_hz = div64_u64(div64_u64((stream-> timing.pix_clk_100hz * 100), stream->timing.v_total), stream->timing.h_total); @@ -2588,7 +2588,10 @@ bool dc_link_setup_psr(struct dc_link *link, */ psr_context->frame_delay = 0; - link->psr_feature_enabled = dmcu->funcs->setup_psr(dmcu, link, psr_context); + if (psr) + link->psr_feature_enabled = psr->funcs->setup_psr(psr, link, psr_context); + else + link->psr_feature_enabled = dmcu->funcs->setup_psr(dmcu, link, psr_context); /* psr_enabled == 0 indicates setup_psr did not succeed, but this * should not happen since firmware should be running at this point @@ -2863,6 +2866,52 @@ static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx) return DC_OK; } + +enum dc_status dc_link_reallocate_mst_payload(struct dc_link *link) +{ + int i; + struct pipe_ctx *pipe_ctx; + + // Clear all of MST payload then reallocate + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i]; + + /* driver enable split pipe for external monitors + * we have to check pipe_ctx is split pipe or not + * If it's split pipe, driver using top pipe to + * reaallocate. + */ + if (!pipe_ctx || pipe_ctx->top_pipe) + continue; + + if (pipe_ctx->stream && pipe_ctx->stream->link == link && + pipe_ctx->stream->dpms_off == false && + pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { + deallocate_mst_payload(pipe_ctx); + } + } + + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx || pipe_ctx->top_pipe) + continue; + + if (pipe_ctx->stream && pipe_ctx->stream->link == link && + pipe_ctx->stream->dpms_off == false && + pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { + /* enable/disable PHY will clear connection between BE and FE + * need to restore it. + */ + link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc, + pipe_ctx->stream_res.stream_enc->id, true); + dc_link_allocate_mst_payload(pipe_ctx); + } + } + + return DC_OK; +} + #if defined(CONFIG_DRM_AMD_DC_HDCP) static void update_psp_stream_config(struct pipe_ctx *pipe_ctx, bool dpms_off) { @@ -3361,3 +3410,10 @@ const struct dc_link_settings *dc_link_get_link_cap( return &link->preferred_link_setting; return &link->verified_link_cap; } + +void dc_link_overwrite_extended_receiver_cap( + struct dc_link *link) +{ + dp_overwrite_extended_receiver_cap(link); +} + |