diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-08-03 15:19:18 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 19:18:59 +0200 |
| commit | 46f12960aad2d48fc6742470f718e147e5c85d06 (patch) | |
| tree | 984dd692094c365a80fd2ae38376185aec1efe9c /drivers/gpu/ipu-v3 | |
| parent | ocfs2: cluster: fix potential deadlock on &o2net_debug_lock (diff) | |
| download | linux-46f12960aad2d48fc6742470f718e147e5c85d06.tar.xz linux-46f12960aad2d48fc6742470f718e147e5c85d06.zip | |
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>
Diffstat (limited to 'drivers/gpu/ipu-v3')
| -rw-r--r-- | drivers/gpu/ipu-v3/ipu-image-convert.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c index af1612044eef..841316582ea9 100644 --- a/drivers/gpu/ipu-v3/ipu-image-convert.c +++ b/drivers/gpu/ipu-v3/ipu-image-convert.c @@ -7,7 +7,10 @@ #include <linux/interrupt.h> #include <linux/dma-mapping.h> +#include <linux/math.h> + #include <video/imx-ipu-image-convert.h> + #include "ipu-prv.h" /* @@ -543,7 +546,7 @@ static void find_best_seam(struct ipu_image_convert_ctx *ctx, unsigned int in_pos; unsigned int in_pos_aligned; unsigned int in_pos_rounded; - unsigned int abs_diff; + unsigned int diff; /* * Tiles in the right row / bottom column may not be allowed to @@ -575,15 +578,11 @@ static void find_best_seam(struct ipu_image_convert_ctx *ctx, (in_edge - in_pos_rounded) % in_burst) continue; - if (in_pos < in_pos_aligned) - abs_diff = in_pos_aligned - in_pos; - else - abs_diff = in_pos - in_pos_aligned; - - if (abs_diff < min_diff) { + diff = abs_diff(in_pos, in_pos_aligned); + if (diff < min_diff) { in_seam = in_pos_rounded; out_seam = out_pos; - min_diff = abs_diff; + min_diff = diff; } } |