[U-Boot] [U-Boot, v6, 03/18] dm: video: Correct line clearing code

[Tom Rini]

On Wed, Apr 05, 2017 at 04:23:30PM -0600, Simon Glass wrote:

> At present we clear many more bytes than we should on 16bpp and 32bpp
> displays. The number of pixels to clear is currently calculated as the
> line length (in bytes) multiplied by the number of lines to clear. This
> is only correct for 8bpp displays.
> 
> Correct the calculation to use the number of text columns multiplied by
> the width of each character multiplied by the number of lines to clear.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>
> Acked-by: Anatolij Gustschin <agust at denx.de>

This has been deferred as another change:
commit 7682736c891d2b6f0cce167f4ecd55d2df0f562f
Author: eric.gao at rock-chips.com <eric.gao at rock-chips.com>
Date:   Mon Apr 10 10:02:20 2017 +0800

    video: Fix crash when scroll screen

also fixed the problem and has since gone in.

-- 
Tom
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