diff --git a/drivers/gpu/drm/sti/sti_hdmi_tx3g4c28phy.c b/drivers/gpu/drm/sti/sti_hdmi_tx3g4c28phy.c
index d25ecd4f4b67..4fe0c54a096f 100644
--- a/drivers/gpu/drm/sti/sti_hdmi_tx3g4c28phy.c
+++ b/drivers/gpu/drm/sti/sti_hdmi_tx3g4c28phy.c
@@ -4,6 +4,8 @@
  * Author: Vincent Abriou <vincent.abriou@st.com> for STMicroelectronics.
  */
 
+#include <linux/hdmi.h>
+
 #include <drm/drm_print.h>
 
 #include "sti_hdmi_tx3g4c28phy.h"
@@ -102,7 +104,7 @@ static bool sti_hdmi_tx3g4c28phy_start(struct sti_hdmi *hdmi)
 	tmdsck = ckpxpll;
 	pllctrl |= 40 << PLL_CFG_NDIV_SHIFT;
 
-	if (tmdsck > 340000000) {
+	if (tmdsck > HDMI_1_3_TMDS_CHAR_RATE_MAX_HZ) {
 		DRM_ERROR("output TMDS clock (%d) out of range\n", tmdsck);
 		goto err;
 	}
@@ -135,7 +137,7 @@ static bool sti_hdmi_tx3g4c28phy_start(struct sti_hdmi *hdmi)
 	       HDMI_SRZ_CFG_EN_BIASRES_DETECTION |
 	       HDMI_SRZ_CFG_EN_SINK_TERM_DETECTION);
 
-	if (tmdsck > 165000000)
+	if (tmdsck > HDMI_1_0_TMDS_CHAR_RATE_MAX_HZ)
 		val |= HDMI_SRZ_CFG_EN_SRC_TERMINATION;
 
 	/*