Merge branch 'topic/hda' into for-linus

[pandora-kernel.git] / drivers / gpu / drm / i915 / intel_hdmi.c

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index b06a4a3..7d6bdd7 100644 (file)
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -38,7 +38,7 @@
 struct intel_hdmi_priv {
        u32 sdvox_reg;
        u32 save_SDVOX;
-       int has_hdmi_sink;
+       bool has_hdmi_sink;
 };
 
 static void intel_hdmi_mode_set(struct drm_encoder *encoder,
@@ -128,6 +128,22 @@ static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
        return true;
 }
 
+static void
+intel_hdmi_sink_detect(struct drm_connector *connector)
+{
+       struct intel_output *intel_output = to_intel_output(connector);
+       struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
+       struct edid *edid = NULL;
+
+       edid = drm_get_edid(&intel_output->base,
+                           &intel_output->ddc_bus->adapter);
+       if (edid != NULL) {
+               hdmi_priv->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
+               kfree(edid);
+               intel_output->base.display_info.raw_edid = NULL;
+       }
+}
+
 static enum drm_connector_status
 intel_hdmi_detect(struct drm_connector *connector)
 {
@@ -139,11 +155,18 @@ intel_hdmi_detect(struct drm_connector *connector)
 
        temp = I915_READ(PORT_HOTPLUG_EN);
 
-       I915_WRITE(PORT_HOTPLUG_EN,
-                  temp |
-                  HDMIB_HOTPLUG_INT_EN |
-                  HDMIC_HOTPLUG_INT_EN |
-                  HDMID_HOTPLUG_INT_EN);
+       switch (hdmi_priv->sdvox_reg) {
+       case SDVOB:
+               temp |= HDMIB_HOTPLUG_INT_EN;
+               break;
+       case SDVOC:
+               temp |= HDMIC_HOTPLUG_INT_EN;
+               break;
+       default:
+               return connector_status_unknown;
+       }
+
+       I915_WRITE(PORT_HOTPLUG_EN, temp);
 
        POSTING_READ(PORT_HOTPLUG_EN);
 
@@ -158,9 +181,10 @@ intel_hdmi_detect(struct drm_connector *connector)
                return connector_status_unknown;
        }
 
-       if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0)
+       if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0) {
+               intel_hdmi_sink_detect(connector);
                return connector_status_connected;
-       else
+       } else
                return connector_status_disconnected;
 }
 
@@ -195,6 +219,7 @@ static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
 };
 
 static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
+       .dpms = drm_helper_connector_dpms,
        .save = intel_hdmi_save,
        .restore = intel_hdmi_restore,
        .detect = intel_hdmi_detect,