drm/i915/tv: implement get_hw_state

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 5dc08b9..98ad7fd 100644 (file)
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -836,6 +836,21 @@ static struct intel_tv *intel_attached_tv(struct drm_connector *connector)
                            base);
 }
 
+static bool
+intel_tv_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe)
+{
+       struct drm_device *dev = encoder->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       u32 tmp = I915_READ(TV_CTL);
+
+       if (!(tmp & TV_ENC_ENABLE))
+               return false;
+
+       *pipe = PORT_TO_PIPE(tmp);
+
+       return true;
+}
+
 static void
 intel_enable_tv(struct intel_encoder *encoder)
 {
@@ -1616,6 +1631,8 @@ intel_tv_init(struct drm_device *dev)
 
        intel_encoder->enable = intel_enable_tv;
        intel_encoder->disable = intel_disable_tv;
+       intel_encoder->get_hw_state = intel_tv_get_hw_state;
+       intel_connector->get_hw_state = intel_connector_get_hw_state;
 
        intel_connector_attach_encoder(intel_connector, intel_encoder);
        intel_encoder->type = INTEL_OUTPUT_TVOUT;