diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index c53eb8e165de..dd281eb7c4bf 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2748,7 +2748,6 @@ static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp,
 	as_sdp->sdp_type = DP_SDP_ADAPTIVE_SYNC;
 	as_sdp->length = 0x9;
 	as_sdp->duration_incr_ms = 0;
-	as_sdp->duration_incr_ms = 0;
 
 	if (crtc_state->cmrr.enable) {
 		as_sdp->mode = DP_AS_SDP_FAVT_TRR_REACHED;