video: Add a function to control cache flushing
Allow the cache-flushing function of a video device to be controlled.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/video.h b/include/video.h
index b20f06f..fa643ca 100644
--- a/include/video.h
+++ b/include/video.h
@@ -158,6 +158,14 @@
*/
int video_get_ysize(struct udevice *dev);
+/**
+ * Set whether we need to flush the dcache when changing the image. This
+ * defaults to off.
+ *
+ * @param flush non-zero to flush cache after update, 0 to skip
+ */
+void video_set_flush_dcache(struct udevice *dev, bool flush);
+
#endif /* CONFIG_DM_VIDEO */
#ifndef CONFIG_DM_VIDEO