Merge tag 'xilinx-for-v2017.07' of git://www.denx.de/git/u-boot-microblaze

[people/ms/u-boot.git] / include / display.h

diff --git a/include/display.h b/include/display.h
index b1c476628b4f9aa0cb882e435f0535a681a92df3..d0a08d4aaa8f6e35b0891c776eeec161a95d5354 100644 (file)
--- a/include/display.h
+++ b/include/display.h
@@ -16,10 +16,12 @@ struct display_timing;
  * @source_id: ID for the source of the display data, typically a video
  * controller
  * @src_dev:   Source device providing the video
+ * @in_use:    Display is being used
  */
 struct display_plat {
        int source_id;
        struct udevice *src_dev;
+       bool in_use;
 };
 
 /**
@@ -41,6 +43,14 @@ int display_read_timing(struct udevice *dev, struct display_timing *timing);
 int display_enable(struct udevice *dev, int panel_bpp,
                   const struct display_timing *timing);
 
+/**
+ * display_in_use() - Check if a display is in use by any device
+ *
+ * @return true if the device is in use (display_enable() has been called
+ * successfully), else false
+ */
+bool display_in_use(struct udevice *dev);
+
 struct dm_display_ops {
        /**
         * read_timing() - Read information directly