[PATCH v2 09/10] drm/fb-helper: Copy dma-buf map before flushing shadow fb

[Sam Ravnborg]

On Fri, Nov 20, 2020 at 11:25:44AM +0100, Thomas Zimmermann wrote:
> Copy the vmap()'ed instance of struct dma_buf_map before modifying it,
> in case the implementation of vunmap() depends on the exact address.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
Acked-by: Sam Ravnborg <sam at ravnborg.org>