From: Dave Airlie Date: Mon, 14 Sep 2015 00:28:34 +0000 (+1000) Subject: drm/qxl: only report first monitor as connected if we have no state X-Git-Tag: v4.2.4~121 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69ae8f5e482e2c8e1b283f8296bcdbe1179bda8f;p=thirdparty%2Fkernel%2Fstable.git drm/qxl: only report first monitor as connected if we have no state commit 69e5d3f893e19613486f300fd6e631810338aa4b upstream. If the server isn't new enough to give us state, report the first monitor as always connected, otherwise believe the server side. Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 7c6225c84ba67..dd845f82cc24a 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -886,13 +886,15 @@ static enum drm_connector_status qxl_conn_detect( drm_connector_to_qxl_output(connector); struct drm_device *ddev = connector->dev; struct qxl_device *qdev = ddev->dev_private; - int connected; + bool connected = false; /* The first monitor is always connected */ - connected = (output->index == 0) || - (qdev->client_monitors_config && - qdev->client_monitors_config->count > output->index && - qxl_head_enabled(&qdev->client_monitors_config->heads[output->index])); + if (!qdev->client_monitors_config) { + if (output->index == 0) + connected = true; + } else + connected = qdev->client_monitors_config->count > output->index && + qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); DRM_DEBUG("#%d connected: %d\n", output->index, connected); if (!connected)