X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fdisplay%2Fintel_dvo.c;h=511c5890700875dfcc4eacf094fe99581382a4a2;hb=f38b4e99e24cbc45084552fe50273ed847a4f511;hp=5572e43026e4d64e4d7247bf73c073480edfdb76;hpb=744983d8784214c4f184be7448efb216315b48ae;p=platform%2Fkernel%2Flinux-starfive.git

diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
index 5572e43..511c589 100644
--- a/drivers/gpu/drm/i915/display/intel_dvo.c
+++ b/drivers/gpu/drm/i915/display/intel_dvo.c
@@ -225,10 +225,16 @@ intel_dvo_mode_valid(struct drm_connector *connector,
 {
 	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct intel_dvo *intel_dvo = intel_attached_dvo(intel_connector);
+	struct drm_i915_private *i915 = to_i915(intel_connector->base.dev);
 	const struct drm_display_mode *fixed_mode =
 		intel_panel_fixed_mode(intel_connector, mode);
 	int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
 	int target_clock = mode->clock;
+	enum drm_mode_status status;
+
+	status = intel_cpu_transcoder_mode_valid(i915, mode);
+	if (status != MODE_OK)
+		return status;
 
 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 		return MODE_NO_DBLESCAN;