#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.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
- */
+#include <linux/acpi.h>
/* Private structure for the integrated LVDS support */
struct intel_lvds_priv {
/* Should never happen!! */
if (!IS_I965G(dev) && intel_crtc->pipe == 0) {
- printk(KERN_ERR "Can't support LVDS on pipe A\n");
+ DRM_ERROR("Can't support LVDS on pipe A\n");
return false;
}
/* Should never happen!! */
list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list, head) {
if (tmp_encoder != encoder && tmp_encoder->crtc == encoder->crtc) {
- printk(KERN_ERR "Can't enable LVDS and another "
+ DRM_ERROR("Can't enable LVDS and another "
"encoder on the same pipe\n");
return false;
}
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.
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;
}
DMI_MATCH(DMI_PRODUCT_NAME, "i965GMx-IF"),
},
},
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "AOpen Mini PC MP915",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"),
+ DMI_MATCH(DMI_BOARD_NAME, "i915GMx-F"),
+ },
+ },
{
.callback = intel_no_lvds_dmi_callback,
.ident = "Aopen i945GTt-VFA",
{ } /* 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, &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_lvds_init - setup LVDS connectors on this device
* @dev: drm device
if (dmi_check_system(intel_no_lvds))
return;
+ /* Assume that any device without an ACPI LID device also doesn't
+ * have an integrated LVDS. We would be better off parsing the BIOS
+ * to get a reliable indicator, but that code isn't written yet.
+ *
+ * In the case of all-in-one desktops using LVDS that we've seen,
+ * they're using SDVO LVDS.
+ */
+ if (!intel_lid_present())
+ return;
+
if (IS_IGDNG(dev)) {
if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
return;
+ if (dev_priv->edp_support) {
+ DRM_DEBUG("disable LVDS for eDP support\n");
+ return;
+ }
gpio = PCH_GPIOC;
}
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);