diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 7f65940f918f..4f0c1ecac72e 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -466,6 +466,16 @@ static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
 		    (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 			return true;
 	}
+	/* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100
+	 * (RS690M) sends data to i2c bus for a HDMI connector that
+	 * is not implemented */
+	if ((dev->pdev->device == 0x791f) &&
+	    (dev->pdev->subsystem_vendor == 0x1179) &&
+	    (dev->pdev->subsystem_device == 0xff68)) {
+		if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
+		    (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
+			return true;
+	}
 
 	/* Default: no EDID header probe required for DDC probing */
 	return false;