From: Damien Lespiau <damien.lespiau at intel.com>
Just like:
commit a93cd34234db2269fa2481464ffd39263d617aed
Author: Damien Lespiau <damien.lespiau at intel.com>
Date: Wed Dec 12 19:37:22 2012 +0000
drm/i915/hdmi: Read the HPD status before trying to read the EDID
But this time for DiplayPort.
Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
drivers/gpu/drm/i915/intel_dp.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index b2130bc..fe3c22f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2248,6 +2248,8 @@ static enum drm_connector_status
ironlake_dp_detect(struct intel_dp *intel_dp)
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
enum drm_connector_status status;
/* Can't disconnect eDP, but you can close the lid... */
@@ -2258,6 +2260,9 @@ ironlake_dp_detect(struct intel_dp *intel_dp)
return status;
}
+ if (!intel_ironlake_digital_port_connected(dev_priv, intel_dig_port))
+ return connector_status_disconnected;
+
return intel_dp_detect_dpcd(intel_dp);
}
--
1.7.11.7
