drm/i915: Skip some timing checks on BXT/GLK DSI transcoders

[platform/kernel/linux-starfive.git] / drivers / gpu / drm / i915 / display / intel_dvo.c

diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
index 5572e43..511c589 100644 (file)
--- 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;