diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 2a01b09221fbd05317236402e0da0ea5c867b32b..6adeabda258724a5fd842718e7f03938fa769f48 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -985,6 +985,39 @@ void intel_wait_for_pipe_off(struct drm_device *dev, int pipe) } } +/* + * ibx_digital_port_connected - is the specified port connected? + * @dev_priv: i915 private structure + * @port: the port to test + * + * Returns true if @port is connected, false otherwise. + */ +bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, + struct intel_digital_port *port) +{ + u32 bit; + + /* XXX: IBX has different SDEISR bits */ + if (HAS_PCH_IBX(dev_priv->dev)) + return true; + + switch(port->port) { + case PORT_B: + bit = SDE_PORTB_HOTPLUG_CPT; + break; + case PORT_C: + bit = SDE_PORTC_HOTPLUG_CPT; + break; + case PORT_D: + bit = SDE_PORTD_HOTPLUG_CPT; + break; + default: + return true; + } + + return I915_READ(SDEISR) & bit; +} + static const char *state_string(bool enabled) { return enabled ? "on" : "off"; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 22728f2c1d83b407e04da62369c09e215207e584..53d4c8fec2a0b7eb467ab1b129c4709b1c6d7b87 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -545,6 +545,9 @@ hdmi_to_dig_port(struct intel_hdmi *intel_hdmi) return container_of(intel_hdmi, struct intel_digital_port, hdmi); } +bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, + struct intel_digital_port *port); + extern void intel_connector_attach_encoder(struct intel_connector *connector, struct intel_encoder *encoder); extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector); diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 53df0a88a6a8ad281208c79b7c5f17e8902c44af..9f834d324cfdbfa5713b9c447484155c9a0028fe 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -793,16 +793,21 @@ static bool g4x_hdmi_connected(struct intel_hdmi *intel_hdmi) static enum drm_connector_status intel_hdmi_detect(struct drm_connector *connector, bool force) { + struct drm_device *dev = connector->dev; struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); struct intel_digital_port *intel_dig_port = hdmi_to_dig_port(intel_hdmi); struct intel_encoder *intel_encoder = &intel_dig_port->base; - struct drm_i915_private *dev_priv = connector->dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; struct edid *edid; enum drm_connector_status status = connector_status_disconnected; - if (IS_G4X(connector->dev) && !g4x_hdmi_connected(intel_hdmi)) + + if (IS_G4X(dev) && !g4x_hdmi_connected(intel_hdmi)) return status; + else if (HAS_PCH_SPLIT(dev) && + !ibx_digital_port_connected(dev_priv, intel_dig_port)) + return status; intel_hdmi->has_hdmi_sink = false; intel_hdmi->has_audio = false;