diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 8f20c11e91f7..237262a0bab4 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -8134,6 +8134,17 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
 	drm_helper_move_panel_connectors_to_head(&dev_priv->drm);
 }
 
+static int max_dotclock(struct drm_i915_private *i915)
+{
+	int max_dotclock = i915->max_dotclk_freq;
+
+	/* icl+ might use bigjoiner */
+	if (DISPLAY_VER(i915) >= 11)
+		max_dotclock *= 2;
+
+	return max_dotclock;
+}
+
 static enum drm_mode_status
 intel_mode_valid(struct drm_device *dev,
 		 const struct drm_display_mode *mode)
@@ -8171,6 +8182,13 @@ intel_mode_valid(struct drm_device *dev,
 			   DRM_MODE_FLAG_CLKDIV2))
 		return MODE_BAD;
 
+	/*
+	 * Reject clearly excessive dotclocks early to
+	 * avoid having to worry about huge integers later.
+	 */
+	if (mode->clock > max_dotclock(dev_priv))
+		return MODE_CLOCK_HIGH;
+
 	/* Transcoder timing limits */
 	if (DISPLAY_VER(dev_priv) >= 11) {
 		hdisplay_max = 16384;