sandbox: video: Correct the address of the copy base

The intention is for the copy base to start halfway through the
frame-buffer area. At present is it actually below the frame buffer,
which could have anything in it (probably it is malloc space). Fix
this.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/video/sandbox_sdl.c b/drivers/video/sandbox_sdl.c
index de8c660..eb321ad 100644 (file)
--- a/drivers/video/sandbox_sdl.c
+++ b/drivers/video/sandbox_sdl.c
@@ -43,7 +43,7 @@ static int sandbox_sdl_probe(struct udevice *dev)
        uc_priv->vidconsole_drv_name = plat->vidconsole_drv_name;
        uc_priv->font_size = plat->font_size;
        if (IS_ENABLED(CONFIG_VIDEO_COPY))
-               uc_plat->copy_base = uc_plat->base - uc_plat->size / 2;
+               uc_plat->copy_base = uc_plat->base + uc_plat->size / 2;
 
        return 0;
 }