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authorChris Wilson <chris@chris-wilson.co.uk>2011-02-12 10:29:38 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2011-02-16 09:41:07 +0000
commitfe16d949b45036d9f80e20e07bde1ddacc930b10 (patch)
tree16c647e87ed85b48a33f28fdbac1fd0e08a1e4ac /drivers/gpu/drm/i915/intel_panel.c
parent47a05eca72991039e788b25232061f9c9df9ec23 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index c65992df458..286995a9a84 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -281,3 +281,17 @@ 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)
+{
+ 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;
+}