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path: root/drivers/gpu/drm/i915/intel_lvds.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c83
1 files changed, 18 insertions, 65 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 3118ce274e67..f4b4aa242df1 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -608,6 +608,13 @@ static const struct dmi_system_id bad_lid_status[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire one"),
},
},
+ {
+ .ident = "PC-81005",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MALATA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "PC-81005"),
+ },
+ },
{ }
};
@@ -679,7 +686,14 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
struct drm_i915_private *dev_priv =
container_of(nb, struct drm_i915_private, lid_notifier);
struct drm_device *dev = dev_priv->dev;
+ struct drm_connector *connector = dev_priv->int_lvds_connector;
+ /*
+ * check and update the status of LVDS connector after receiving
+ * the LID nofication event.
+ */
+ if (connector)
+ connector->status = connector->funcs->detect(connector);
if (!acpi_lid_open()) {
dev_priv->modeset_on_lid = 1;
return NOTIFY_OK;
@@ -854,65 +868,6 @@ static const struct dmi_system_id intel_no_lvds[] = {
{ } /* terminating entry */
};
-#ifdef CONFIG_ACPI
-/*
- * check_lid_device -- check whether @handle is an ACPI LID device.
- * @handle: ACPI device handle
- * @level : depth in the ACPI namespace tree
- * @context: the number of LID device when we find the device
- * @rv: a return value to fill if desired (Not use)
- */
-static acpi_status
-check_lid_device(acpi_handle handle, u32 level, void *context,
- void **return_value)
-{
- struct acpi_device *acpi_dev;
- int *lid_present = context;
-
- acpi_dev = NULL;
- /* Get the acpi device for device handle */
- if (acpi_bus_get_device(handle, &acpi_dev) || !acpi_dev) {
- /* If there is no ACPI device for handle, return */
- return AE_OK;
- }
-
- if (!strncmp(acpi_device_hid(acpi_dev), "PNP0C0D", 7))
- *lid_present = 1;
-
- return AE_OK;
-}
-
-/**
- * check whether there exists the ACPI LID device by enumerating the ACPI
- * device tree.
- */
-static int intel_lid_present(void)
-{
- int lid_present = 0;
-
- if (acpi_disabled) {
- /* If ACPI is disabled, there is no ACPI device tree to
- * check, so assume the LID device would have been present.
- */
- return 1;
- }
-
- acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX,
- check_lid_device, NULL, &lid_present, NULL);
-
- return lid_present;
-}
-#else
-static int intel_lid_present(void)
-{
- /* In the absence of ACPI built in, assume that the LID device would
- * have been present.
- */
- return 1;
-}
-#endif
-
/**
* intel_find_lvds_downclock - find the reduced downclock for LVDS in EDID
* @dev: drm device
@@ -1031,12 +986,8 @@ void intel_lvds_init(struct drm_device *dev)
if (dmi_check_system(intel_no_lvds))
return;
- /*
- * Assume LVDS is present if there's an ACPI lid device or if the
- * device is present in the VBT.
- */
- if (!lvds_is_present_in_vbt(dev) && !intel_lid_present()) {
- DRM_DEBUG_KMS("LVDS is not present in VBT and no lid detected\n");
+ if (!lvds_is_present_in_vbt(dev)) {
+ DRM_DEBUG_KMS("LVDS is not present in VBT\n");
return;
}
@@ -1180,6 +1131,8 @@ out:
DRM_DEBUG_KMS("lid notifier registration failed\n");
dev_priv->lid_notifier.notifier_call = NULL;
}
+ /* keep the LVDS connector */
+ dev_priv->int_lvds_connector = connector;
drm_sysfs_connector_add(connector);
return;