Commit c17ed5b5 authored Oct 16, 2014 by Ville Syrjälä Committed by Daniel Vetter Nov 04, 2014

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: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 6847d71b

drivers/gpu/drm/i915/intel_dp.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -5203,6 +5203,11 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
		if (type == DRM_MODE_CONNECTOR_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",
		type == DRM_MODE_CONNECTOR_eDP ? "eDP" : "DP",
		port_name(port));