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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>
This commit is contained in:
Simon Glass 2020-07-02 21:12:22 -06:00 committed by Bin Meng
parent 6efa809dde
commit 138dfea86f
1 changed files with 4 additions and 0 deletions
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4
drivers/video/video-uclass.c
View File

@ -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;
}