drm/i915: Move the lvds OpRegion lid detection code to panel and reuse for eDP
Share the lid detection code for the all panels for consistent behaviour
and a single place to add the eventual quirks for crap hardware.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index c65992d..286995a 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -281,3 +281,17 @@
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)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ /* 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;
+
+ return connector_status_unknown;
+}