[U-Boot] [PATCH 09/15] sandbox: video: Speed up video output

[Anatolij Gustschin]

On Mon,  1 Oct 2018 11:55:14 -0600
Simon Glass sjg at chromium.org wrote:

> At present there are many situations where sandbox syncs the display to
> the SDL frame buffer. This is a very expensive operation but is only
> needed every now and then. Update video_sync() so that we can specify
> whether this operation is really needed.
> 
> At present this flag is not used on other architectures. It could also
> be used for reducing writeback-cache flushes but the benefit of that would
> need to be investigated.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Reviewed-by: Anatolij Gustschin <agust at denx.de>

--
Anatolij