[PATCH v2 1/1] drm/i915: Move abs_diff() to math.h

[Jiri Slaby]

On 21. 07. 23, 15:53, Andy Shevchenko wrote:
> abs_diff() belongs to math.h. Move it there.
> This will allow others to use it.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

Reviewed-by: Jiri Slaby <jirislaby at kernel.org> # tty/serial

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