[PATCH 37/81] drm/i915/tv: implement get_hw_state

Daniel Vetter
2012-07-11T15:35:58Z

drivers/gpu/drm/i915/intel_tv.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 3136f56..aa9beaa 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)
{
@@ -1618,6 +1633,8 @@ 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;
--
1.7.7.6