struct drm_i915_private *dev_priv = dev->dev_private;
u32 blc_pwm_ctl, reg;
- if (IS_IGDNG(dev))
+ if (IS_IRONLAKE(dev))
reg = BLC_PWM_CPU_CTL;
else
reg = BLC_PWM_CTL;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 reg;
- if (IS_IGDNG(dev))
+ if (IS_IRONLAKE(dev))
reg = BLC_PWM_PCH_CTL2;
else
reg = BLC_PWM_CTL;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp_status, ctl_reg, status_reg;
- if (IS_IGDNG(dev)) {
+ if (IS_IRONLAKE(dev)) {
ctl_reg = PCH_PP_CONTROL;
status_reg = PCH_PP_STATUS;
} else {
u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
u32 pwm_ctl_reg;
- if (IS_IGDNG(dev)) {
+ if (IS_IRONLAKE(dev)) {
pp_on_reg = PCH_PP_ON_DELAYS;
pp_off_reg = PCH_PP_OFF_DELAYS;
pp_ctl_reg = PCH_PP_CONTROL;
u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
u32 pwm_ctl_reg;
- if (IS_IGDNG(dev)) {
+ if (IS_IRONLAKE(dev)) {
pp_on_reg = PCH_PP_ON_DELAYS;
pp_off_reg = PCH_PP_OFF_DELAYS;
pp_ctl_reg = PCH_PP_CONTROL;
}
/* full screen scale for now */
- if (IS_IGDNG(dev))
+ if (IS_IRONLAKE(dev))
goto out;
/* 965+ wants fuzzy fitting */
* to register description and PRM.
* Change the value here to see the borders for debugging
*/
- if (!IS_IGDNG(dev)) {
+ if (!IS_IRONLAKE(dev)) {
I915_WRITE(BCLRPAT_A, 0);
I915_WRITE(BCLRPAT_B, 0);
}
struct drm_i915_private *dev_priv = dev->dev_private;
u32 reg;
- if (IS_IGDNG(dev))
+ if (IS_IRONLAKE(dev))
reg = BLC_PWM_CPU_CTL;
else
reg = BLC_PWM_CTL;
* settings.
*/
- if (IS_IGDNG(dev))
+ if (IS_IRONLAKE(dev))
return;
/*
{ } /* 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)
+/**
+ * intel_find_lvds_downclock - find the reduced downclock for LVDS in EDID
+ * @dev: drm device
+ * @connector: LVDS connector
+ *
+ * Find the reduced downclock for LVDS in EDID.
*/
-static acpi_status
-check_lid_device(acpi_handle handle, u32 level, void *context,
- void **return_value)
+static void intel_find_lvds_downclock(struct drm_device *dev,
+ struct drm_connector *connector)
{
- 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;
- }
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_display_mode *scan, *panel_fixed_mode;
+ int temp_downclock;
- if (!strncmp(acpi_device_hid(acpi_dev), "PNP0C0D", 7))
- *lid_present = 1;
+ panel_fixed_mode = dev_priv->panel_fixed_mode;
+ temp_downclock = panel_fixed_mode->clock;
- return AE_OK;
+ mutex_lock(&dev->mode_config.mutex);
+ list_for_each_entry(scan, &connector->probed_modes, head) {
+ /*
+ * If one mode has the same resolution with the fixed_panel
+ * mode while they have the different refresh rate, it means
+ * that the reduced downclock is found for the LVDS. In such
+ * case we can set the different FPx0/1 to dynamically select
+ * between low and high frequency.
+ */
+ if (scan->hdisplay == panel_fixed_mode->hdisplay &&
+ scan->hsync_start == panel_fixed_mode->hsync_start &&
+ scan->hsync_end == panel_fixed_mode->hsync_end &&
+ scan->htotal == panel_fixed_mode->htotal &&
+ scan->vdisplay == panel_fixed_mode->vdisplay &&
+ scan->vsync_start == panel_fixed_mode->vsync_start &&
+ scan->vsync_end == panel_fixed_mode->vsync_end &&
+ scan->vtotal == panel_fixed_mode->vtotal) {
+ if (scan->clock < temp_downclock) {
+ /*
+ * The downclock is already found. But we
+ * expect to find the lower downclock.
+ */
+ temp_downclock = scan->clock;
+ }
+ }
+ }
+ mutex_unlock(&dev->mode_config.mutex);
+ if (temp_downclock < panel_fixed_mode->clock) {
+ /* We found the downclock for LVDS. */
+ dev_priv->lvds_downclock_avail = 1;
+ dev_priv->lvds_downclock = temp_downclock;
+ DRM_DEBUG_KMS("LVDS downclock is found in EDID. "
+ "Normal clock %dKhz, downclock %dKhz\n",
+ panel_fixed_mode->clock, temp_downclock);
+ }
+ return;
}
-/**
- * check whether there exists the ACPI LID device by enumerating the ACPI
- * device tree.
+/*
+ * Enumerate the child dev array parsed from VBT to check whether
+ * the LVDS is present.
+ * If it is present, return 1.
+ * If it is not present, return false.
+ * If no child dev is parsed from VBT, it assumes that the LVDS is present.
+ * Note: The addin_offset should also be checked for LVDS panel.
+ * Only when it is non-zero, it is assumed that it is present.
*/
-static int intel_lid_present(void)
+static int lvds_is_present_in_vbt(struct drm_device *dev)
{
- int lid_present = 0;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct child_device_config *p_child;
+ int i, ret;
- if (acpi_disabled) {
- /* If ACPI is disabled, there is no ACPI device tree to
- * check, so assume the LID device would have been present.
- */
+ if (!dev_priv->child_dev_num)
return 1;
- }
- acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX,
- check_lid_device, &lid_present, NULL);
+ ret = 0;
+ for (i = 0; i < dev_priv->child_dev_num; i++) {
+ p_child = dev_priv->child_dev + i;
+ /*
+ * If the device type is not LFP, continue.
+ * If the device type is 0x22, it is also regarded as LFP.
+ */
+ if (p_child->device_type != DEVICE_TYPE_INT_LFP &&
+ p_child->device_type != DEVICE_TYPE_LFP)
+ continue;
- 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;
+ /* The addin_offset should be checked. Only when it is
+ * non-zero, it is regarded as present.
+ */
+ if (p_child->addin_offset) {
+ ret = 1;
+ break;
+ }
+ }
+ return ret;
}
-#endif
/**
* intel_lvds_init - setup LVDS connectors on this 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())
+ if (!lvds_is_present_in_vbt(dev)) {
+ DRM_DEBUG_KMS("LVDS is not present in VBT\n");
return;
+ }
- if (IS_IGDNG(dev)) {
+ if (IS_IRONLAKE(dev)) {
if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
return;
if (dev_priv->edp_support) {
- DRM_DEBUG("disable LVDS for eDP support\n");
+ DRM_DEBUG_KMS("disable LVDS for eDP support\n");
return;
}
gpio = PCH_GPIOC;
dev_priv->panel_fixed_mode =
drm_mode_duplicate(dev, scan);
mutex_unlock(&dev->mode_config.mutex);
+ intel_find_lvds_downclock(dev, connector);
goto out;
}
mutex_unlock(&dev->mode_config.mutex);
* correct mode.
*/
- /* IGDNG: FIXME if still fail, not try pipe mode now */
- if (IS_IGDNG(dev))
+ /* Ironlake: FIXME if still fail, not try pipe mode now */
+ if (IS_IRONLAKE(dev))
goto failed;
lvds = I915_READ(LVDS);
goto failed;
out:
- if (IS_IGDNG(dev)) {
+ if (IS_IRONLAKE(dev)) {
u32 pwm;
/* make sure PWM is enabled */
pwm = I915_READ(BLC_PWM_CPU_CTL2);
}
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");
+ DRM_DEBUG_KMS("lid notifier registration failed\n");
dev_priv->lid_notifier.notifier_call = NULL;
}
drm_sysfs_connector_add(connector);
if (intel_output->ddc_bus)
intel_i2c_destroy(intel_output->ddc_bus);
drm_connector_cleanup(connector);
+ drm_encoder_cleanup(encoder);
kfree(intel_output);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff