drm/i915: make LVDS fixed mode a preferred mode

The detected fixed panel mode really is preferred, so mark it as such and
add it to the LVDS connector mode list.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index ccecfaf6307b..2fafdcc108fe 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -456,6 +456,13 @@ void intel_lvds_init(struct drm_device *dev)
                 dev_priv->panel_fixed_mode =
                         drm_mode_duplicate(dev, dev_priv->vbt_mode);
                 mutex_unlock(&dev->mode_config.mutex);
+                if (dev_priv->panel_fixed_mode) {
+                        dev_priv->panel_fixed_mode->type |=
+                                DRM_MODE_TYPE_PREFERRED;
+                        drm_mode_probed_add(connector,
+                                            dev_priv->panel_fixed_mode);
+                        goto out;
+                }
         }
 
         /*