drm/amd/display: always retrieve PSR cap

Signed-off-by: Amy Zhang <Amy.Zhang@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

@@ -2169,8 +2169,7 @@ static void retrieve_link_cap(struct core_link *link)
 	CONN_DATA_DETECT(link, dpcd_data, sizeof(dpcd_data), "Rx Caps: ");
 
 	/* TODO: Confirm if need retrieve_psr_link_cap */
-	if (link->public.reported_link_cap.link_rate < LINK_RATE_HIGH2)
-		retrieve_psr_link_cap(link, link->edp_revision);
+	retrieve_psr_link_cap(link, link->edp_revision);
 }
 
 void detect_dp_sink_caps(struct core_link *link)