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path: root/drivers/gpu/drm/i915/intel_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 4ea2a651b92..3955476eb64 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -31,6 +31,7 @@
#include "drmP.h"
#include "drm.h"
#include "drm_crtc.h"
+#include "drm_edid.h"
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
@@ -129,20 +130,26 @@ static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
return true;
}
-static void
-intel_hdmi_sink_detect(struct drm_connector *connector)
+static enum drm_connector_status
+intel_hdmi_edid_detect(struct drm_connector *connector)
{
struct intel_output *intel_output = to_intel_output(connector);
struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
struct edid *edid = NULL;
+ enum drm_connector_status status = connector_status_disconnected;
edid = drm_get_edid(&intel_output->base,
- &intel_output->ddc_bus->adapter);
- if (edid != NULL) {
- hdmi_priv->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
- kfree(edid);
+ intel_output->ddc_bus);
+ hdmi_priv->has_hdmi_sink = false;
+ if (edid) {
+ if (edid->input & DRM_EDID_INPUT_DIGITAL) {
+ status = connector_status_connected;
+ hdmi_priv->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
+ }
intel_output->base.display_info.raw_edid = NULL;
+ kfree(edid);
}
+ return status;
}
static enum drm_connector_status
@@ -154,11 +161,7 @@ igdng_hdmi_detect(struct drm_connector *connector)
/* FIXME hotplug detect */
hdmi_priv->has_hdmi_sink = false;
- intel_hdmi_sink_detect(connector);
- if (hdmi_priv->has_hdmi_sink)
- return connector_status_connected;
- else
- return connector_status_disconnected;
+ return intel_hdmi_edid_detect(connector);
}
static enum drm_connector_status
@@ -201,10 +204,9 @@ intel_hdmi_detect(struct drm_connector *connector)
return connector_status_unknown;
}
- if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0) {
- intel_hdmi_sink_detect(connector);
- return connector_status_connected;
- } else
+ if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0)
+ return intel_hdmi_edid_detect(connector);
+ else
return connector_status_disconnected;
}