}
return false;
}
+
+bool is_edp_ilr_optimization_required(struct dc_link *link, struct dc_crtc_timing *crtc_timing)
+{
+ struct dc_link_settings link_setting;
+ uint8_t link_bw_set;
+ uint8_t link_rate_set;
+ uint32_t req_bw;
+ union lane_count_set lane_count_set = { {0} };
+
+ ASSERT(link || crtc_timing); // invalid input
+
+ if (link->dpcd_caps.edp_supported_link_rates_count == 0 ||
+ !link->dc->debug.optimize_edp_link_rate)
+ return false;
+
+
+ // Read DPCD 00100h to find if standard link rates are set
+ core_link_read_dpcd(link, DP_LINK_BW_SET,
+ &link_bw_set, sizeof(link_bw_set));
+
+ if (link_bw_set)
+ return true;
+
+ // Read DPCD 00115h to find the edp link rate set used
+ core_link_read_dpcd(link, DP_LINK_RATE_SET,
+ &link_rate_set, sizeof(link_rate_set));
+
+ // Read DPCD 00101h to find out the number of lanes currently set
+ core_link_read_dpcd(link, DP_LANE_COUNT_SET,
+ &lane_count_set.raw, sizeof(lane_count_set));
+
+ req_bw = dc_bandwidth_in_kbps_from_timing(crtc_timing);
+
+ decide_edp_link_settings(link, &link_setting, req_bw);
+
+ if (link->dpcd_caps.edp_supported_link_rates[link_rate_set] != link_setting.link_rate ||
+ lane_count_set.bits.LANE_COUNT_SET != link_setting.lane_count)
+ return true;
+
+ return false;
+}
+
+
#include "stream_encoder.h"
#include "link_encoder.h"
#include "link_hwss.h"
+#include "dc_link_dp.h"
#include "clock_source.h"
#include "clk_mgr.h"
#include "abm.h"
/* Set optimization flag on eDP stream*/
if (edp_stream_num && edp_link->link_status.link_active) {
edp_stream = edp_streams[0];
- edp_stream->apply_edp_fast_boot_optimization = true;
- can_apply_edp_fast_boot = true;
+ can_apply_edp_fast_boot = !is_edp_ilr_optimization_required(edp_stream->link, &edp_stream->timing);
+ edp_stream->apply_edp_fast_boot_optimization = can_apply_edp_fast_boot;
+
break;
}
}
bool is_dp_active_dongle(const struct dc_link *link);
+bool is_edp_ilr_optimization_required(struct dc_link *link, struct dc_crtc_timing *crtc_timing);
+
void dp_enable_mst_on_sink(struct dc_link *link, bool enable);
enum dp_panel_mode dp_get_panel_mode(struct dc_link *link);