diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index 7255234670c019874f89aa6ba41bee43c7e46686..7f6d0790cca6d9064d9484848309aec5c8e60b4d 100644
--- a/drivers/gpu/drm/sti/sti_gdp.c
+++ b/drivers/gpu/drm/sti/sti_gdp.c
@@ -648,7 +648,7 @@ static int sti_gdp_atomic_check(struct drm_plane *drm_plane,
 	}
 
 	/* Set gdp clock */
-	if (gdp->clk_pix) {
+	if (mode->clock && gdp->clk_pix) {
 		struct clk *clkp;
 		int rate = mode->clock * 1000;
 		int res;