[Bug 71051] Internal display not working on Baytrail notebook.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71051

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
Ugh. Let's annotate the other path then:

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index c392ad2..9707c47 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2949,6 +2949,10 @@ g4x_dp_detect(struct intel_dp *intel_dp)
                return connector_status_unknown;
        }

+       DRM_DEBUG_KMS("checking connected status of port %c: %08x & %08x?
%d\n",
+                       port_name(intel_dig_port->port),
+                       I915_READ(PORT_HOTPLUG_STAT), bit,
+                       (I915_READ(PORT_HOTPLUG_STAT) & bit) != 0);
        if ((I915_READ(PORT_HOTPLUG_STAT) & bit) == 0)
                return connector_status_disconnected;

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