1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 4cf8e2e88a40..590f81c8f594 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -508,6 +508,7 @@ void intel_crt_init(struct drm_device *dev)
 {
         struct drm_connector *connector;
         struct intel_output *intel_output;
+        struct drm_i915_private *dev_priv = dev->dev_private;
         u32 i2c_reg;
 
         intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
@@ -527,8 +528,12 @@ void intel_crt_init(struct drm_device *dev)
         /* Set up the DDC bus. */
         if (IS_IGDNG(dev))
                 i2c_reg = PCH_GPIOA;
-        else
+        else {
                 i2c_reg = GPIOA;
+                /* Use VBT information for CRT DDC if available */
+                if (dev_priv->crt_ddc_bus != -1)
+                        i2c_reg = dev_priv->crt_ddc_bus;
+        }
         intel_output->ddc_bus = intel_i2c_create(dev, i2c_reg, "CRTDDC_A");
         if (!intel_output->ddc_bus) {
                 dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
@@ -537,6 +542,10 @@ void intel_crt_init(struct drm_device *dev)
         }
 
         intel_output->type = INTEL_OUTPUT_ANALOG;
+        intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
+                                   (1 << INTEL_ANALOG_CLONE_BIT) |
+                                   (1 << INTEL_SDVO_LVDS_CLONE_BIT);
+        intel_output->crtc_mask = (1 << 0) | (1 << 1);
         connector->interlace_allowed = 0;
         connector->doublescan_allowed = 0;