diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index a26094223f78..e566f2b49594 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -34,8 +34,10 @@
 #include "intel_dp.h"
 #include "intel_dp_link_training.h"
 #include "intel_encoder.h"
+#include "intel_hdmi.h"
 #include "intel_hotplug.h"
 #include "intel_panel.h"
+#include "intel_psr.h"
 
 #define LT_MSG_PREFIX			"[CONNECTOR:%d:%s][ENCODER:%d:%s][%s] "
 #define LT_MSG_ARGS(_intel_dp, _dp_phy)	(_intel_dp)->attached_connector->base.base.id, \
@@ -710,16 +712,28 @@ static bool intel_dp_link_max_vswing_reached(struct intel_dp *intel_dp,
 	return true;
 }
 
-void intel_dp_link_training_set_mode(struct intel_dp *intel_dp, int link_rate, bool is_vrr)
+void intel_dp_link_training_set_mode(struct intel_dp *intel_dp, int link_rate,
+				     bool is_vrr,
+				     bool pr_with_as_sdp_enable)
 {
 	u8 link_config[2];
 
 	link_config[0] = is_vrr ? DP_MSA_TIMING_PAR_IGNORE_EN : 0;
+	link_config[0] |= pr_with_as_sdp_enable ? DP_FIXED_VTOTAL_AS_SDP_EN_IN_PR_ACTIVE : 0;
 	link_config[1] = drm_dp_is_uhbr_rate(link_rate) ?
 			 DP_SET_ANSI_128B132B : DP_SET_ANSI_8B10B;
 	drm_dp_dpcd_write(&intel_dp->aux, DP_DOWNSPREAD_CTRL, link_config, 2);
 }
 
+static bool
+intel_dp_pr_with_as_sdp_enabled(struct intel_dp *intel_dp,
+				const struct intel_crtc_state *crtc_state)
+{
+	return intel_psr_needs_alpm_aux_less(intel_dp, crtc_state) &&
+		(crtc_state->infoframes.enable &
+		 intel_hdmi_infoframe_enable(DP_SDP_ADAPTIVE_SYNC));
+}
+
 static void intel_dp_update_downspread_ctrl(struct intel_dp *intel_dp,
 					    const struct intel_crtc_state *crtc_state)
 {
@@ -737,7 +751,9 @@ static void intel_dp_update_downspread_ctrl(struct intel_dp *intel_dp,
 	  * especially on the first real commit when clearing the inherited flag.
 	  */
 	intel_dp_link_training_set_mode(intel_dp,
-					crtc_state->port_clock, crtc_state->vrr.in_range);
+					crtc_state->port_clock,
+					crtc_state->vrr.in_range,
+					intel_dp_pr_with_as_sdp_enabled(intel_dp, crtc_state));
 }
 
 void intel_dp_link_training_set_bw(struct intel_dp *intel_dp,
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.h b/drivers/gpu/drm/i915/display/intel_dp_link_training.h
index 33dcbde6a408..18c34c1a472f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.h
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.h
@@ -18,7 +18,8 @@ int intel_dp_init_lttpr_and_dprx_caps(struct intel_dp *intel_dp);
 bool intel_dp_lttpr_transparent_mode_enabled(struct intel_dp *intel_dp);
 
 void intel_dp_link_training_set_mode(struct intel_dp *intel_dp,
-				     int link_rate, bool is_vrr);
+				     int link_rate, bool is_vrr,
+				     bool pr_with_as_sdp_enable);
 void intel_dp_link_training_set_bw(struct intel_dp *intel_dp,
 				   int link_bw, int rate_select, int lane_count,
 				   bool enhanced_framing, bool post_lt_adj_req);
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 724d3ee23350..bcdc50491347 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -2144,7 +2144,7 @@ void intel_dp_mst_prepare_probe(struct intel_dp *intel_dp)
 
 	intel_dp_compute_rate(intel_dp, link_rate, &link_bw, &rate_select);
 
-	intel_dp_link_training_set_mode(intel_dp, link_rate, false);
+	intel_dp_link_training_set_mode(intel_dp, link_rate, false, false);
 	intel_dp_link_training_set_bw(intel_dp, link_bw, rate_select, lane_count,
 				      drm_dp_enhanced_frame_cap(intel_dp->dpcd), false);