drm/i915: Move abs_diff() to math.h
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 3 Aug 2023 13:19:18 +0000 (16:19 +0300)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 18 Aug 2023 17:18:59 +0000 (10:18 -0700)
commit46f12960aad2d48fc6742470f718e147e5c85d06
tree984dd692094c365a80fd2ae38376185aec1efe9c
parent84c10951da91575778cbc3d199cdddea3d42d905
drm/i915: Move abs_diff() to math.h

abs_diff() belongs to math.h.  Move it there.  This will allow others to
use it.

[andriy.shevchenko@linux.intel.com: add abs_diff() documentation]
Link: https://lkml.kernel.org/r/20230804050934.83223-1-andriy.shevchenko@linux.intel.com
[akpm@linux-foundation.org: fix comment, per Randy]
Link: https://lkml.kernel.org/r/20230803131918.53727-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org> # tty/serial
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> # gpu/ipu-v3
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@gmail.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
drivers/gpu/drm/i915/display/intel_dpll_mgr.c
drivers/gpu/drm/i915/display/intel_dpll_mgr.h
drivers/gpu/ipu-v3/ipu-image-convert.c
drivers/tty/serial/omap-serial.c
drivers/video/fbdev/core/svgalib.c
include/linux/math.h