diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c
index f0485521e58a..d507a20822db 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c
@@ -129,7 +129,7 @@ static int intel_dp_aux_sync_len(void)
 
 static int intel_dp_aux_fw_sync_len(void)
 {
-	int precharge = 16; /* 10-16 */
+	int precharge = 10; /* 10-16 */
 	int preamble = 8;
 
 	return precharge + preamble;