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path: root/drivers/gpu/drm/i915/intel_dvo.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_dvo.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dvo.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 84c0867e212b..e9397b72b4f3 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -105,6 +105,31 @@ static struct intel_dvo *intel_attached_dvo(struct drm_connector *connector)
struct intel_dvo, base);
}
+static bool intel_dvo_connector_get_hw_state(struct intel_connector *connector)
+{
+ struct intel_dvo *intel_dvo = intel_attached_dvo(&connector->base);
+
+ return intel_dvo->dev.dev_ops->get_hw_state(&intel_dvo->dev);
+}
+
+static bool intel_dvo_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;
+ struct intel_dvo *intel_dvo = enc_to_intel_dvo(&encoder->base);
+ u32 tmp;
+
+ tmp = I915_READ(intel_dvo->dev.dvo_reg);
+
+ if (!(tmp & DVO_ENABLE))
+ return false;
+
+ *pipe = PORT_TO_PIPE(tmp);
+
+ return true;
+}
+
static void intel_disable_dvo(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
@@ -414,6 +439,8 @@ void intel_dvo_init(struct drm_device *dev)
intel_encoder->disable = intel_disable_dvo;
intel_encoder->enable = intel_enable_dvo;
+ intel_encoder->get_hw_state = intel_dvo_get_hw_state;
+ intel_connector->get_hw_state = intel_dvo_connector_get_hw_state;
/* Now, try to find a controller */
for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {