Revert "drm/i915: Add hot_plug hook for hdmi encoder"

This reverts commit 0b5e88dc25ee6c9040c0355e6e025dcbc9c8de92.

It completely breaks booting on at least bsw (and maybe more).

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88081
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 03d8590..3b28ed3 100644 (file)
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1369,16 +1369,18 @@ intel_hdmi_set_edid(struct drm_connector *connector, bool force)
        return connected;
 }
 
-static void intel_hdmi_hot_plug(struct intel_encoder *intel_encoder)
+static enum drm_connector_status
+intel_hdmi_detect(struct drm_connector *connector, bool force)
 {
-       struct intel_hdmi *intel_hdmi =
-                       enc_to_intel_hdmi(&intel_encoder->base);
-       struct intel_connector *intel_connector =
-                               intel_hdmi->attached_connector;
-       struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
+       enum drm_connector_status status;
+       struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+       struct drm_i915_private *dev_priv = to_i915(connector->dev);
        bool live_status = false;
        unsigned int retry = 3;
 
+       DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
+                     connector->base.id, connector->name);
+
        while (!live_status && --retry) {
                live_status = intel_digital_port_connected(dev_priv,
                                hdmi_to_dig_port(intel_hdmi));
@@ -1388,48 +1390,15 @@ static void intel_hdmi_hot_plug(struct intel_encoder *intel_encoder)
        if (!live_status)
                DRM_DEBUG_KMS("Live status not up!");
 
-       /*
-        * We are here, means there is a hotplug or a force
-        * detection. Clear the cached EDID and probe the
-        * DDC bus to check the current status of HDMI.
-        */
-       intel_hdmi_unset_edid(&intel_connector->base);
-       if (intel_hdmi_set_edid(&intel_connector->base, live_status))
-               DRM_DEBUG_DRIVER("DDC probe: got EDID\n");
-       else
-               DRM_DEBUG_DRIVER("DDC probe: no EDID\n");
-}
-
-static enum drm_connector_status
-intel_hdmi_detect(struct drm_connector *connector, bool force)
-{
-       enum drm_connector_status status;
-       struct intel_connector *intel_connector =
-                               to_intel_connector(connector);
-
-       DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
-                     connector->base.id, connector->name);
-
-       /*
-        * There are many userspace calls which probe EDID from
-        * detect path. In case of multiple hotplug/unplug, these
-        * can cause race conditions while probing EDID. Also its
-        * waste of CPU cycles to read the EDID again and again
-        * unless there is a real hotplug.
-        * So, rely on hotplugs and init to read edid.
-        * Check connector status based on availability of cached EDID.
-        */
+       intel_hdmi_unset_edid(connector);
 
-       if (intel_connector->detect_edid) {
+       if (intel_hdmi_set_edid(connector, live_status)) {
                struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
 
                hdmi_to_dig_port(intel_hdmi)->base.type = INTEL_OUTPUT_HDMI;
                status = connector_status_connected;
-               DRM_DEBUG_DRIVER("hdmi status = connected\n");
-       } else {
+       } else
                status = connector_status_disconnected;
-               DRM_DEBUG_DRIVER("hdmi status = disconnected\n");
-       }
 
        return status;
 }
@@ -2145,7 +2114,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
        intel_connector->unregister = intel_connector_unregister;
 
        intel_hdmi_add_properties(intel_hdmi, connector);
-       intel_encoder->hot_plug = intel_hdmi_hot_plug;
 
        intel_connector_attach_encoder(intel_connector, intel_encoder);
        drm_connector_register(connector);