* Jesse Barnes <jesse.barnes@intel.com>
*/
+#include <acpi/button.h>
#include <linux/dmi.h>
#include <linux/i2c.h>
#include "drmP.h"
#include "i915_drv.h"
#include <linux/acpi.h>
-#define I915_LVDS "i915_lvds"
-
-/*
- * the following four scaling options are defined.
- * #define DRM_MODE_SCALE_NON_GPU 0
- * #define DRM_MODE_SCALE_FULLSCREEN 1
- * #define DRM_MODE_SCALE_NO_SCALE 2
- * #define DRM_MODE_SCALE_ASPECT 3
- */
-
/* Private structure for the integrated LVDS support */
struct intel_lvds_priv {
int fitting_mode;
I915_WRITE(BCLRPAT_B, 0);
switch (lvds_priv->fitting_mode) {
- case DRM_MODE_SCALE_NO_SCALE:
+ case DRM_MODE_SCALE_CENTER:
/*
* For centered modes, we have to calculate border widths &
* heights and modify the values programmed into the CRTC.
/**
* Detect the LVDS connection.
*
- * This always returns CONNECTOR_STATUS_CONNECTED. This connector should only have
- * been set up if the LVDS was actually connected anyway.
+ * Since LVDS doesn't have hotlug, we use the lid as a proxy. Open means
+ * connected and closed means disconnected. We also send hotplug events as
+ * needed, using lid status notification from the input layer.
*/
static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector)
{
- return connector_status_connected;
+ enum drm_connector_status status = connector_status_connected;
+
+ if (!acpi_lid_open())
+ status = connector_status_disconnected;
+
+ return status;
}
/**
return 0;
}
+static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
+ void *unused)
+{
+ struct drm_i915_private *dev_priv =
+ container_of(nb, struct drm_i915_private, lid_notifier);
+ struct drm_device *dev = dev_priv->dev;
+
+ if (acpi_lid_open())
+ drm_helper_resume_force_mode(dev);
+
+ return NOTIFY_OK;
+}
+
/**
* intel_lvds_destroy - unregister and free LVDS structures
* @connector: connector to free
*/
static void intel_lvds_destroy(struct drm_connector *connector)
{
+ struct drm_device *dev = connector->dev;
struct intel_output *intel_output = to_intel_output(connector);
+ struct drm_i915_private *dev_priv = dev->dev_private;
if (intel_output->ddc_bus)
intel_i2c_destroy(intel_output->ddc_bus);
+ if (dev_priv->lid_notifier.notifier_call)
+ acpi_lid_notifier_unregister(&dev_priv->lid_notifier);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(connector);
connector->encoder) {
struct drm_crtc *crtc = connector->encoder->crtc;
struct intel_lvds_priv *lvds_priv = intel_output->dev_priv;
- if (value == DRM_MODE_SCALE_NON_GPU) {
- DRM_DEBUG_KMS(I915_LVDS,
- "non_GPU property is unsupported\n");
+ if (value == DRM_MODE_SCALE_NONE) {
+ DRM_DEBUG_KMS("no scaling not supported\n");
return 0;
}
if (lvds_priv->fitting_mode == value) {
static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
{
- DRM_DEBUG_KMS(I915_LVDS,
- "Skipping LVDS initialization for %s\n", id->ident);
+ DRM_DEBUG_KMS("Skipping LVDS initialization for %s\n", id->ident);
return 1;
}
pwm |= PWM_PCH_ENABLE;
I915_WRITE(BLC_PWM_PCH_CTL1, pwm);
}
+ dev_priv->lid_notifier.notifier_call = intel_lid_notify;
+ if (acpi_lid_notifier_register(&dev_priv->lid_notifier)) {
+ DRM_DEBUG("lid notifier registration failed\n");
+ dev_priv->lid_notifier.notifier_call = NULL;
+ }
drm_sysfs_connector_add(connector);
return;
failed:
- DRM_DEBUG_KMS(I915_LVDS, "No LVDS modes found, disabling.\n");
+ DRM_DEBUG_KMS("No LVDS modes found, disabling.\n");
if (intel_output->ddc_bus)
intel_i2c_destroy(intel_output->ddc_bus);
drm_connector_cleanup(connector);