diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 51397b565ddff2c12da2116fce6994ab918717a6..2186603d915c8720d568b3bb6a7773955951b283 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -1498,10 +1498,9 @@ void dcn_bw_update_from_pplib(struct dc *dc)
 		ASSERT(fclks.num_levels);
 
 		vmin0p65_idx = 0;
-		vmid0p72_idx = fclks.num_levels -
-			(fclks.num_levels > 2 ? 3 : (fclks.num_levels > 1 ? 2 : 1));
-		vnom0p8_idx = fclks.num_levels - (fclks.num_levels > 1 ? 2 : 1);
-		vmax0p9_idx = fclks.num_levels - 1;
+		vmid0p72_idx = fclks.num_levels > 2 ? fclks.num_levels - 3 : 0;
+		vnom0p8_idx = fclks.num_levels > 1 ? fclks.num_levels - 2 : 0;
+		vmax0p9_idx = fclks.num_levels > 0 ? fclks.num_levels - 1 : 0;
 
 		dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65 =
 			32 * (fclks.data[vmin0p65_idx].clocks_in_khz / 1000.0) / 1000.0;