diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 509e0fd52491f8e88ad4079bd4a4309aa33f567d..8682c01b922a2f15ec04775e6a36c11b0be056eb 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -2749,7 +2749,11 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
 		dccg->funcs->set_dpstreamclk(dccg, DTBCLK0, tg->inst, dp_hpo_inst);
 
 		phyd32clk = get_phyd32clk_src(link);
-		dccg->funcs->enable_symclk32_se(dccg, dp_hpo_inst, phyd32clk);
+		if (link->cur_link_settings.link_rate == LINK_RATE_UNKNOWN) {
+			dccg->funcs->disable_symclk32_se(dccg, dp_hpo_inst);
+		} else {
+			dccg->funcs->enable_symclk32_se(dccg, dp_hpo_inst, phyd32clk);
+		}
 	} else {
 		}
 	if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) {