diff options
4 files changed, 40 insertions, 35 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c index 391dbe81534d..d21ee9d12d26 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -1189,8 +1189,7 @@ static bool detect_link_and_local_sink(struct dc_link *link, //sink only can use supported link rate table, we are foreced to enable it if (link->reported_link_cap.link_rate == LINK_RATE_UNKNOWN) link->panel_config.ilr.optimize_edp_link_rate = true; - if (edp_is_ilr_optimization_enabled(link)) - link->reported_link_cap.link_rate = get_max_link_rate_from_ilr_table(link); + link->reported_link_cap.link_rate = get_max_edp_link_rate(link); } } else { diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c index 59c9dde10885..34a618a7278b 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c @@ -212,6 +212,13 @@ static enum dc_link_rate linkRateInKHzToLinkRateMultiplier(uint32_t link_rate_in case 10000000: link_rate = LINK_RATE_UHBR10; // UHBR10 - 10.0 Gbps/Lane break; + case 13500000: + link_rate = LINK_RATE_UHBR13_5; // UHBR13.5 - 13.5 Gbps/Lane + break; + case 20000000: + link_rate = LINK_RATE_UHBR20; // UHBR20 - 20.0 Gbps/Lane + break; + default: link_rate = LINK_RATE_UNKNOWN; break; @@ -541,6 +548,23 @@ static enum dc_link_rate increase_link_rate(struct dc_link *link, } } +static void increase_edp_link_rate(struct dc_link *link, + struct dc_link_settings *current_link_setting) +{ + if (current_link_setting->use_link_rate_set) { + if (current_link_setting->link_rate_set < link->dpcd_caps.edp_supported_link_rates_count) { + current_link_setting->link_rate_set++; + current_link_setting->link_rate = + link->dpcd_caps.edp_supported_link_rates[current_link_setting->link_rate_set]; + } else { + current_link_setting->use_link_rate_set = false; + current_link_setting->link_rate = LINK_RATE_UHBR10; + } + } else { + current_link_setting->link_rate = increase_link_rate(link, current_link_setting->link_rate); + } +} + static bool decide_fallback_link_setting_max_bw_policy( struct dc_link *link, const struct dc_link_settings *max, @@ -759,14 +783,7 @@ bool edp_decide_link_settings(struct dc_link *link, increase_lane_count( current_link_setting.lane_count); } else { - if (current_link_setting.link_rate_set < link->dpcd_caps.edp_supported_link_rates_count) { - current_link_setting.link_rate_set++; - current_link_setting.link_rate = - link->dpcd_caps.edp_supported_link_rates[current_link_setting.link_rate_set]; - current_link_setting.lane_count = - initial_link_setting.lane_count; - } else - break; + increase_edp_link_rate(link, ¤t_link_setting); } } return false; @@ -818,9 +835,7 @@ bool decide_edp_link_settings_with_dsc(struct dc_link *link, if (policy) { /* minimize lane */ if (current_link_setting.link_rate < max_link_rate) { - current_link_setting.link_rate = - increase_link_rate(link, - current_link_setting.link_rate); + increase_edp_link_rate(link, ¤t_link_setting); } else { if (current_link_setting.lane_count < link->verified_link_cap.lane_count) { @@ -839,9 +854,7 @@ bool decide_edp_link_settings_with_dsc(struct dc_link *link, increase_lane_count( current_link_setting.lane_count); } else { - current_link_setting.link_rate = - increase_link_rate(link, - current_link_setting.link_rate); + increase_edp_link_rate(link, ¤t_link_setting); current_link_setting.lane_count = initial_link_setting.lane_count; } @@ -874,18 +887,15 @@ bool decide_edp_link_settings_with_dsc(struct dc_link *link, } if (policy) { /* minimize lane */ - if (current_link_setting.link_rate_set < - link->dpcd_caps.edp_supported_link_rates_count - && current_link_setting.link_rate < max_link_rate) { - current_link_setting.link_rate_set++; - current_link_setting.link_rate = - link->dpcd_caps.edp_supported_link_rates[current_link_setting.link_rate_set]; + if (current_link_setting.link_rate < max_link_rate) { + increase_edp_link_rate(link, ¤t_link_setting); } else { if (current_link_setting.lane_count < link->verified_link_cap.lane_count) { current_link_setting.lane_count = increase_lane_count( current_link_setting.lane_count); current_link_setting.link_rate_set = initial_link_setting.link_rate_set; + current_link_setting.use_link_rate_set = initial_link_setting.use_link_rate_set; current_link_setting.link_rate = link->dpcd_caps.edp_supported_link_rates[current_link_setting.link_rate_set]; } else @@ -899,13 +909,8 @@ bool decide_edp_link_settings_with_dsc(struct dc_link *link, increase_lane_count( current_link_setting.lane_count); } else { - if (current_link_setting.link_rate_set < link->dpcd_caps.edp_supported_link_rates_count) { - current_link_setting.link_rate_set++; - current_link_setting.link_rate = - link->dpcd_caps.edp_supported_link_rates[current_link_setting.link_rate_set]; - current_link_setting.lane_count = - initial_link_setting.lane_count; - } else + increase_edp_link_rate(link, ¤t_link_setting); + if (current_link_setting.link_rate == LINK_RATE_UNKNOWN) break; } } diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c index bf820d2b4dc4..070b6c8c1aef 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c @@ -305,16 +305,17 @@ bool edp_is_ilr_optimization_enabled(struct dc_link *link) return true; } -enum dc_link_rate get_max_link_rate_from_ilr_table(struct dc_link *link) +enum dc_link_rate get_max_edp_link_rate(struct dc_link *link) { - enum dc_link_rate link_rate = link->reported_link_cap.link_rate; + enum dc_link_rate max_ilr_rate = LINK_RATE_UNKNOWN; + enum dc_link_rate max_non_ilr_rate = dp_get_max_link_cap(link).link_rate; for (int i = 0; i < link->dpcd_caps.edp_supported_link_rates_count; i++) { - if (link_rate < link->dpcd_caps.edp_supported_link_rates[i]) - link_rate = link->dpcd_caps.edp_supported_link_rates[i]; + if (max_ilr_rate < link->dpcd_caps.edp_supported_link_rates[i]) + max_ilr_rate = link->dpcd_caps.edp_supported_link_rates[i]; } - return link_rate; + return (max_ilr_rate > max_non_ilr_rate ? max_ilr_rate : max_non_ilr_rate); } bool edp_is_ilr_optimization_required(struct dc_link *link, diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h index 8df8ac5bde5b..30dc8c24c008 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h @@ -69,7 +69,7 @@ bool edp_wait_for_t12(struct dc_link *link); bool edp_is_ilr_optimization_required(struct dc_link *link, struct dc_crtc_timing *crtc_timing); bool edp_is_ilr_optimization_enabled(struct dc_link *link); -enum dc_link_rate get_max_link_rate_from_ilr_table(struct dc_link *link); +enum dc_link_rate get_max_edp_link_rate(struct dc_link *link); bool edp_backlight_enable_aux(struct dc_link *link, bool enable); void edp_add_delay_for_T9(struct dc_link *link); bool edp_receiver_ready_T9(struct dc_link *link); |