drm: Fix deadlock due to getconnector locking changes

[uclinux-h8/linux.git] / drivers / gpu / drm / drm_crtc.c

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 6b00173..6b6b07f 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2127,7 +2127,6 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
        DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
 
        mutex_lock(&dev->mode_config.mutex);
-       drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
 
        connector = drm_connector_find(dev, out_resp->connector_id);
        if (!connector) {
@@ -2157,6 +2156,8 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
        out_resp->mm_height = connector->display_info.height_mm;
        out_resp->subpixel = connector->display_info.subpixel_order;
        out_resp->connection = connector->status;
+
+       drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
        encoder = drm_connector_get_encoder(connector);
        if (encoder)
                out_resp->encoder_id = encoder->base.id;