diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index f99cca80867c28e4f93262ba4554a98fab9e0b85..6e9f14ef2d2d95358eb0a56c985a4d2930576ea9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1269,7 +1269,7 @@ static void snprintf_int_array(char *str, size_t len,
 	str[0] = '\0';
 
 	for (i = 0; i < nelem; i++) {
-		int r = snprintf(str, len, "%d,", array[i]);
+		int r = snprintf(str, len, "%s%d", i ? ", " : "", array[i]);
 		if (r >= len)
 			return;
 		str += r;