1 files changed, 32 insertions, 5 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 8f0a13807d05..4713f09bcbf1 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -55,6 +55,7 @@
 #include "link_encoder.h"
 #include "link_enc_cfg.h"
 
+#include "dc_link.h"
 #include "dc_link_ddc.h"
 #include "dm_helpers.h"
 #include "mem_input.h"
@@ -1322,11 +1323,10 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc,
 	struct dc_link *link = sink->link;
 	unsigned int i, enc_inst, tg_inst = 0;
 
-	// Seamless port only support single DP and EDP so far
-	if ((sink->sink_signal != SIGNAL_TYPE_DISPLAY_PORT &&
-		sink->sink_signal != SIGNAL_TYPE_EDP) ||
-		sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
+	/* Support seamless boot on EDP displays only */
+	if (sink->sink_signal != SIGNAL_TYPE_EDP) {
 		return false;
+	}
 
 	/* Check for enabled DIG to identify enabled display */
 	if (!link->link_enc->funcs->is_dig_enabled(link->link_enc))
@@ -1399,6 +1399,10 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc,
 	if (crtc_timing->v_sync_width != hw_crtc_timing.v_sync_width)
 		return false;
 
+	/* block DSC for now, as VBIOS does not currently support DSC timings */
+	if (crtc_timing->flags.DSC)
+		return false;
+
 	if (dc_is_dp_signal(link->connector_signal)) {
 		unsigned int pix_clk_100hz;
 
@@ -1429,6 +1433,11 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc,
 		return false;
 	}
 
+	if (is_edp_ilr_optimization_required(link, crtc_timing)) {
+		DC_LOG_EVENT_LINK_TRAINING("Seamless boot disabled to optimize eDP link rate\n");
+		return false;
+	}
+
 	return true;
 }
 
@@ -2678,6 +2687,10 @@ static void commit_planes_for_stream(struct dc *dc,
 						plane_state->triplebuffer_flips = true;
 				}
 			}
+			if (update_type == UPDATE_TYPE_FULL) {
+				/* force vsync flip when reconfiguring pipes to prevent underflow */
+				plane_state->flip_immediate = false;
+			}
 		}
 	}
 
@@ -2821,7 +2834,8 @@ static void commit_planes_for_stream(struct dc *dc,
 
 		if (pipe_ctx->bottom_pipe || pipe_ctx->next_odm_pipe ||
 				!pipe_ctx->stream || pipe_ctx->stream != stream ||
-				!pipe_ctx->plane_state->update_flags.bits.addr_update)
+				!pipe_ctx->plane_state->update_flags.bits.addr_update ||
+				pipe_ctx->plane_state->skip_manual_trigger)
 			continue;
 
 		if (pipe_ctx->stream_res.tg->funcs->program_manual_trigger)
@@ -3205,6 +3219,19 @@ void dc_link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink)
 	}
 }
 
+void dc_wait_for_vblank(struct dc *dc, struct dc_stream_state *stream)
+{
+	int i;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++)
+		if (dc->current_state->res_ctx.pipe_ctx[i].stream == stream) {
+			struct timing_generator *tg =
+				dc->current_state->res_ctx.pipe_ctx[i].stream_res.tg;
+			tg->funcs->wait_for_state(tg, CRTC_STATE_VBLANK);
+			break;
+		}
+}
+
 void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info)
 {
 	info->displayClock				= (unsigned int)state->bw_ctx.bw.dcn.clk.dispclk_khz;