diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index f8f86e57df2..a06ff07a4d3 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -280,3 +280,28 @@ void intel_panel_setup_backlight(struct drm_device *dev) dev_priv->backlight_level = intel_panel_get_backlight(dev); dev_priv->backlight_enabled = dev_priv->backlight_level != 0; } + +enum drm_connector_status +intel_panel_detect(struct drm_device *dev) +{ +#if 0 + struct drm_i915_private *dev_priv = dev->dev_private; +#endif + + if (i915_panel_ignore_lid) + return i915_panel_ignore_lid > 0 ? + connector_status_connected : + connector_status_disconnected; + + /* opregion lid state on HP 2540p is wrong at boot up, + * appears to be either the BIOS or Linux ACPI fault */ +#if 0 + /* Assume that the BIOS does not lie through the OpRegion... */ + if (dev_priv->opregion.lid_state) + return ioread32(dev_priv->opregion.lid_state) & 0x1 ? + connector_status_connected : + connector_status_disconnected; +#endif + + return connector_status_unknown; +} |