drm/i915: disable opregion lid detection for now.
At least on my HP 2540p this is wrong at bootup, fine
at any other time once a lid event has occured. This is due to
_REG vs _INI ordering in the ACPI tables.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 18391b3..4e5ff59 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -248,18 +248,24 @@
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;
}