dm: video: Add damage notification on display fills

Let's report the video damage when we fill parts of the screen. This
way we can later lazily flush only relevant regions to hardware.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reported-by: Da Xue <da@libre.computer>
[Alper: Move from video_clear() to video_fill(), video_fill_part()]
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/u-boot/20230821135111.3558478-6-alpernebiyasak@gmail.com/

diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index 8e2edd7..3933aeb 100644 (file)
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -214,6 +214,8 @@ int video_fill_part(struct udevice *dev, int xstart, int ystart, int xend,
        if (ret)
                return ret;
 
+       video_damage(dev, xstart, ystart, xend - xstart, yend - ystart);
+
        return 0;
 }
 
@@ -264,6 +266,8 @@ int video_fill(struct udevice *dev, u32 colour)
        if (ret)
                return ret;
 
+       video_damage(dev, 0, 0, priv->xsize, priv->ysize);
+
        return video_sync(dev, false);
 }