drm/i915: hook up LVDS DPMS property

The LVDS output supports DPMS calls, but we never hooked up the property code,
so set property calls didn't actually do anything.  Implement a set_property
callback for the LVDS output so that the right thing happens.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 2fafdcc108fe..6b1148fc2cbe 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -340,6 +340,18 @@ static void intel_lvds_destroy(struct drm_connector *connector)
         kfree(connector);
 }
 
+static int intel_lvds_set_property(struct drm_connector *connector,
+                                   struct drm_property *property,
+                                   uint64_t value)
+{
+        struct drm_device *dev = connector->dev;
+
+        if (property == dev->mode_config.dpms_property && connector->encoder)
+                intel_lvds_dpms(connector->encoder, (uint32_t)(value & 0xf));
+
+        return 0;
+}
+
 static const struct drm_encoder_helper_funcs intel_lvds_helper_funcs = {
         .dpms = intel_lvds_dpms,
         .mode_fixup = intel_lvds_mode_fixup,
@@ -359,6 +371,7 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = {
         .restore = intel_lvds_restore,
         .detect = intel_lvds_detect,
         .fill_modes = drm_helper_probe_single_connector_modes,
+        .set_property = intel_lvds_set_property,
         .destroy = intel_lvds_destroy,
 };