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video: Allow syncing the entire framebuffer to the copy

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In some cases so much of the framebuffer is updated that it is not worth
copying the changes piece by piece to the copy framebuffer. Add a function
to copy the whole thing.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-01-13 20:29:46 -07:00 committed by Tom Rini
parent 02d7a53ce6
commit 7d70116fc7
2 changed files with 24 additions and 0 deletions
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10
drivers/video/video-uclass.c
View file

@ -290,6 +290,16 @@ int video_sync_copy(struct udevice *dev, void *from, void *to)
return 0;
}
int video_sync_copy_all(struct udevice *dev)
{
struct video_priv *priv = dev_get_uclass_priv(dev);
video_sync_copy(dev, priv->fb, priv->fb + priv->fb_size);
return 0;
}
#endif
/* Set up the colour map */

14
include/video.h
View file

@ -246,11 +246,25 @@ void video_set_default_colors(struct udevice *dev, bool invert);
* frame buffer start
*/
int video_sync_copy(struct udevice *dev, void *from, void *to);
/**
* video_sync_copy_all() - Sync the entire framebuffer to the copy
*
* @dev: Vidconsole device being updated
* @return 0 (always)
*/
int video_sync_copy_all(struct udevice *dev);
#else
static inline int video_sync_copy(struct udevice *dev, void *from, void *to)
{
return 0;
}
static inline int video_sync_copy_all(struct udevice *dev)
{
return 0;
}
#endif
#ifndef CONFIG_DM_VIDEO