drm/i915: add common intel_digital_port_connected function
Add a common intel_digital_port_connected() that splits out to functions
for different platforms. No functional changes.
v2: make the function return a boolean
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8c8070e..1db7e1e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4480,13 +4480,6 @@
return status;
}
-/*
- * 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.
- */
static bool ibx_digital_port_connected(struct drm_i915_private *dev_priv,
struct intel_digital_port *port)
{
@@ -4531,13 +4524,12 @@
return I915_READ(SDEISR) & bit;
}
-static bool g4x_digital_port_connected(struct drm_device *dev,
+static bool g4x_digital_port_connected(struct drm_i915_private *dev_priv,
struct intel_digital_port *port)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t bit;
- if (IS_VALLEYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv)) {
switch (port->port) {
case PORT_B:
bit = PORTB_HOTPLUG_LIVE_STATUS_VLV;
@@ -4572,6 +4564,22 @@
return I915_READ(PORT_HOTPLUG_STAT) & bit;
}
+/*
+ * intel_digital_port_connected - is the specified port connected?
+ * @dev_priv: i915 private structure
+ * @port: the port to test
+ *
+ * Return %true if @port is connected, %false otherwise.
+ */
+static bool intel_digital_port_connected(struct drm_i915_private *dev_priv,
+ struct intel_digital_port *port)
+{
+ if (HAS_PCH_SPLIT(dev_priv))
+ return ibx_digital_port_connected(dev_priv, port);
+ else
+ return g4x_digital_port_connected(dev_priv, port);
+}
+
static enum drm_connector_status
ironlake_dp_detect(struct intel_dp *intel_dp)
{
@@ -4579,7 +4587,7 @@
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- if (!ibx_digital_port_connected(dev_priv, intel_dig_port))
+ if (!intel_digital_port_connected(dev_priv, intel_dig_port))
return connector_status_disconnected;
return intel_dp_detect_dpcd(intel_dp);
@@ -4601,7 +4609,7 @@
return status;
}
- if (!g4x_digital_port_connected(dev, intel_dig_port))
+ if (!intel_digital_port_connected(dev->dev_private, intel_dig_port))
return connector_status_disconnected;
return intel_dp_detect_dpcd(intel_dp);
@@ -5064,13 +5072,8 @@
/* indicate that we need to restart link training */
intel_dp->train_set_valid = false;
- if (HAS_PCH_SPLIT(dev)) {
- if (!ibx_digital_port_connected(dev_priv, intel_dig_port))
- goto mst_fail;
- } else {
- if (!g4x_digital_port_connected(dev, intel_dig_port))
- goto mst_fail;
- }
+ if (!intel_digital_port_connected(dev_priv, intel_dig_port))
+ goto mst_fail;
if (!intel_dp_get_dpcd(intel_dp)) {
goto mst_fail;