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* [PATCH] drm/amd/display/dc/dce110/dce110_mem_input_v: use swap macro in program_size_and_rotation
@ 2017-11-10 22:31 Gustavo A. R. Silva
       [not found] ` <20171110223109.GA31549-L1vi/lXTdts+Va1GwOuvDg@public.gmane.org>
  0 siblings, 1 reply; 4+ messages in thread
From: Gustavo A. R. Silva @ 2017-11-10 22:31 UTC (permalink / raw)
  To: Alex Deucher, Christian König, David Airlie
  Cc: amd-gfx, dri-devel, linux-kernel, Gustavo A. R. Silva

Make use of the swap macro instead of _manually_ swapping values
and remove unnecessary variable swap.

This makes the code easier to read and maintain.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
 .../drm/amd/display/dc/dce110/dce110_mem_input_v.c | 28 +++++++---------------
 1 file changed, 8 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
index a06c602..7bab8c6 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
@@ -237,26 +237,14 @@ static void program_size_and_rotation(
 	if (rotation == ROTATION_ANGLE_90 ||
 		rotation == ROTATION_ANGLE_270) {
 
-		uint32_t swap;
-		swap = local_size.video.luma_size.x;
-		local_size.video.luma_size.x =
-			local_size.video.luma_size.y;
-		local_size.video.luma_size.y  = swap;
-
-		swap = local_size.video.luma_size.width;
-		local_size.video.luma_size.width =
-			local_size.video.luma_size.height;
-		local_size.video.luma_size.height = swap;
-
-		swap = local_size.video.chroma_size.x;
-		local_size.video.chroma_size.x =
-			local_size.video.chroma_size.y;
-		local_size.video.chroma_size.y  = swap;
-
-		swap = local_size.video.chroma_size.width;
-		local_size.video.chroma_size.width =
-			local_size.video.chroma_size.height;
-		local_size.video.chroma_size.height = swap;
+		swap(local_size.video.luma_size.x,
+		     local_size.video.luma_size.y);
+		swap(local_size.video.luma_size.width,
+		     local_size.video.luma_size.height);
+		swap(local_size.video.chroma_size.x,
+		     local_size.video.chroma_size.y);
+		swap(local_size.video.chroma_size.width,
+		     local_size.video.chroma_size.height);
 	}
 
 	value = 0;
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2017-11-20  5:25 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-11-10 22:31 [PATCH] drm/amd/display/dc/dce110/dce110_mem_input_v: use swap macro in program_size_and_rotation Gustavo A. R. Silva
     [not found] ` <20171110223109.GA31549-L1vi/lXTdts+Va1GwOuvDg@public.gmane.org>
2017-11-17 15:45   ` Harry Wentland
2017-11-17 15:45     ` Harry Wentland
2017-11-20  5:25     ` Gustavo A. R. Silva

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