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path: root/drivers/gpu/drm/i915/intel_tv.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_tv.c')
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 5b1c9e9fdba0..c64eab493fb0 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1437,6 +1437,35 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_output *intel_output)
return type;
}
+/*
+ * Here we set accurate tv format according to connector type
+ * i.e Component TV should not be assigned by NTSC or PAL
+ */
+static void intel_tv_find_better_format(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_tv_priv *tv_priv = intel_output->dev_priv;
+ const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
+ int i;
+
+ if ((tv_priv->type == DRM_MODE_CONNECTOR_Component) ==
+ tv_mode->component_only)
+ return;
+
+
+ for (i = 0; i < sizeof(tv_modes) / sizeof(*tv_modes); i++) {
+ tv_mode = tv_modes + i;
+
+ if ((tv_priv->type == DRM_MODE_CONNECTOR_Component) ==
+ tv_mode->component_only)
+ break;
+ }
+
+ tv_priv->tv_format = tv_mode->name;
+ drm_connector_property_set_value(connector,
+ connector->dev->mode_config.tv_mode_property, i);
+}
+
/**
* Detect the TV connection.
*
@@ -1473,6 +1502,7 @@ intel_tv_detect(struct drm_connector *connector)
if (type < 0)
return connector_status_disconnected;
+ intel_tv_find_better_format(connector);
return connector_status_connected;
}