[37/43] drm/i915/tv: implement get_hw_state

Commit Message

Daniel Vetter July 3, 2012, 9:28 a.m. UTC

Signed-Off-by: Daniel Vetter <[e-mail]>
---
 drivers/gpu/drm/i915/intel_tv.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

Patch

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 2fce753..5920c5f 100644
--- 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)
 {
@@ -1622,6 +1637,8 @@  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;