Commit c17ed5b5 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter

drm/i915: Warn if trying to register eDP on port != B/C on vlv/chv

Only ports B and C have the power sequencer and backlight controls,
so complain if we ever try to register an eDP connector on some other
port.
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 6847d71b
...@@ -5203,6 +5203,11 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, ...@@ -5203,6 +5203,11 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
if (type == DRM_MODE_CONNECTOR_eDP) if (type == DRM_MODE_CONNECTOR_eDP)
intel_encoder->type = INTEL_OUTPUT_EDP; intel_encoder->type = INTEL_OUTPUT_EDP;
/* eDP only on port B and/or C on vlv/chv */
if (WARN_ON(IS_VALLEYVIEW(dev) && is_edp(intel_dp) &&
port != PORT_B && port != PORT_C))
return false;
DRM_DEBUG_KMS("Adding %s connector on port %c\n", DRM_DEBUG_KMS("Adding %s connector on port %c\n",
type == DRM_MODE_CONNECTOR_eDP ? "eDP" : "DP", type == DRM_MODE_CONNECTOR_eDP ? "eDP" : "DP",
port_name(port)); port_name(port));
......
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