1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index fd23023df7c1..51108ffc28d1 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1234,6 +1234,30 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
                 info->hdmi_level_shift = hdmi_level_shift;
         }
 
+        if (bdb_version >= 204) {
+                int max_tmds_clock;
+
+                switch (child->hdmi_max_data_rate) {
+                default:
+                        MISSING_CASE(child->hdmi_max_data_rate);
+                        /* fall through */
+                case HDMI_MAX_DATA_RATE_PLATFORM:
+                        max_tmds_clock = 0;
+                        break;
+                case HDMI_MAX_DATA_RATE_297:
+                        max_tmds_clock = 297000;
+                        break;
+                case HDMI_MAX_DATA_RATE_165:
+                        max_tmds_clock = 165000;
+                        break;
+                }
+
+                if (max_tmds_clock)
+                        DRM_DEBUG_KMS("VBT HDMI max TMDS clock for port %c: %d kHz\n",
+                                      port_name(port), max_tmds_clock);
+                info->max_tmds_clock = max_tmds_clock;
+        }
+
         /* Parse the I_boost config for SKL and above */
         if (bdb_version >= 196 && child->iboost) {
                 info->dp_boost_level = translate_iboost(child->dp_iboost_level);