drm/i915: Track when we dirty the scanout with render commands

[~andy/linux] / drivers / gpu / drm / drm_crtc.c

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 3a8f7e6db2950fc175759e558c7663ae84d3702f..e7e92429d10f9e36d80d48e5f8a0004e4eb0284e 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -78,6 +78,10 @@ void drm_warn_on_modeset_not_all_locked(struct drm_device *dev)
 {
        struct drm_crtc *crtc;
 
+       /* Locking is currently fubar in the panic handler. */
+       if (oops_in_progress)
+               return;
+
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
                WARN_ON(!mutex_is_locked(&crtc->mutex));
 
@@ -246,6 +250,7 @@ char *drm_get_connector_status_name(enum drm_connector_status status)
        else
                return "unknown";
 }
+EXPORT_SYMBOL(drm_get_connector_status_name);
 
 /**
  * drm_mode_object_get - allocate a new modeset identifier