drm/amd/display: Don't report fake sink as connected

This was missed in the previous fake sink change. The fake sink
allows us to enable a pipe with a disconnected display. We
shouldn't report it as connected.
Signed-off-by: NHarry Wentland <harry.wentland@amd.com>
Reviewed-by: NAndrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Acked-by: NHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -2453,7 +2453,8 @@ amdgpu_dm_connector_detect(struct drm_connector *connector, bool force)
 	 * 2. This interface *is called* in context of user-mode ioctl. Which
 	 * makes it a bad place for *any* MST-related activit. */
 
-	if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
+	if (aconnector->base.force == DRM_FORCE_UNSPECIFIED &&
+	    !aconnector->fake_enable)
 		connected = (aconnector->dc_sink != NULL);
 	else
 		connected = (aconnector->base.force == DRM_FORCE_ON);