drm/i915/chv: Configure crtc_mask correctly for CHV

On CHV pipe C can driver only port D, and pipes A and B can drivbe only
ports B and C. Configure the crtc_mask appropriately to reflect that.

v2: Moar braces (Jani)
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: NAntti Koskipää <antti.koskipaa@linux.intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_dp.c

@@ -4249,7 +4249,14 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
 	intel_dig_port->dp.output_reg = output_reg;
 
 	intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT;
+	if (IS_CHERRYVIEW(dev)) {
+		if (port == PORT_D)
+			intel_encoder->crtc_mask = 1 << 2;
+		else
+			intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
+	} else {
 		intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
+	}
 	intel_encoder->cloneable = 0;
 	intel_encoder->hot_plug = intel_dp_hot_plug;
 

drivers/gpu/drm/i915/intel_hdmi.c

@@ -1469,7 +1469,14 @@ void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port)
 	}
 
 	intel_encoder->type = INTEL_OUTPUT_HDMI;
+	if (IS_CHERRYVIEW(dev)) {
+		if (port == PORT_D)
+			intel_encoder->crtc_mask = 1 << 2;
+		else
+			intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
+	} else {
 		intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
+	}
 	intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG;
 	/*
 	 * BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems