diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index f7bfb5ee003db..b692d442f84aa 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -4199,6 +4199,12 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector
 		intel_dp->use_max_params = intel_dp->edp_dpcd[0] < DP_EDP_14;
 	}
 
+	/*
+	 * If needed, program our source OUI so we can make various Intel-specific AUX services
+	 * available (such as HDR backlight controls)
+	 */
+	intel_dp_init_source_oui(intel_dp);
+
 	/*
 	 * This has to be called after intel_dp->edp_dpcd is filled, PSR checks
 	 * for SET_POWER_CAPABLE bit in intel_dp->edp_dpcd[1]
@@ -4211,12 +4217,6 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector
 	/* Read the eDP DSC DPCD registers */
 	intel_dp_detect_dsc_caps(intel_dp, connector);
 
-	/*
-	 * If needed, program our source OUI so we can make various Intel-specific AUX services
-	 * available (such as HDR backlight controls)
-	 */
-	intel_dp_init_source_oui(intel_dp);
-
 	return true;
 }