@@ -854,65 +854,6 @@ 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 +972,8 @@ 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;
}