From 138dfea86ff2b7eda936043b2acc734a1425aeaa Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 2 Jul 2020 21:12:22 -0600
Subject: [PATCH] video: Clear the copy framebuffer when clearing the screen
Update video_clear() to also sync to the copy framebuffer.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
---
drivers/video/video-uclass.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index 0c80fd5bfe..4ddd8bc1db 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -95,6 +95,7 @@ int video_reserve(ulong *addrp)
int video_clear(struct udevice *dev)
{
struct video_priv *priv = dev_get_uclass_priv(dev);
+ int ret;
switch (priv->bpix) {
case VIDEO_BPP16:
@@ -119,6 +120,9 @@ int video_clear(struct udevice *dev)
memset(priv->fb, priv->colour_bg, priv->fb_size);
break;
}
+ ret = video_sync_copy(dev, priv->fb, priv->fb + priv->fb_size);
+ if (ret)
+ return ret;
return 0;
}
--
2.39.5