linux-kernel - [PATCH v2] gpu: ipu-v3: use swap()

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Message-ID: <20210713140521.GA1873885@pc>
Date:   Tue, 13 Jul 2021 15:05:21 +0100
From:   Salah Triki <salah.triki@...il.com>
To:     p.zabel@...gutronix.de, festevam@...il.com, alexdeucher@...il.com
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH v2] gpu: ipu-v3: use swap()

Use swap() instead of implementing it since it makes code cleaner.

Signed-off-by: Salah Triki <salah.triki@...il.com>
---

Changes since v1:
	- Remove the declaration of tmp
	- Fix typo in the description

 drivers/gpu/ipu-v3/ipu-image-convert.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c
index aa1d4b6d278f..af1612044eef 100644
--- a/drivers/gpu/ipu-v3/ipu-image-convert.c
+++ b/drivers/gpu/ipu-v3/ipu-image-convert.c
@@ -990,7 +990,7 @@ static int calc_tile_offsets_planar(struct ipu_image_convert_ctx *ctx,
 	const struct ipu_image_pixfmt *fmt = image->fmt;
 	unsigned int row, col, tile = 0;
 	u32 H, top, y_stride, uv_stride;
-	u32 uv_row_off, uv_col_off, uv_off, u_off, v_off, tmp;
+	u32 uv_row_off, uv_col_off, uv_off, u_off, v_off;
 	u32 y_row_off, y_col_off, y_off;
 	u32 y_size, uv_size;
 
@@ -1021,11 +1021,8 @@ static int calc_tile_offsets_planar(struct ipu_image_convert_ctx *ctx,
 
 			u_off = y_size - y_off + uv_off;
 			v_off = (fmt->uv_packed) ? 0 : u_off + uv_size;
-			if (fmt->uv_swapped) {
-				tmp = u_off;
-				u_off = v_off;
-				v_off = tmp;
-			}
+			if (fmt->uv_swapped)
+				swap(u_off, v_off);
 
 			image->tile[tile].offset = y_off;
 			image->tile[tile].u_off = u_off;
-- 
2.25.1