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media: vsp1: Remove artificial minimum width/height limitation

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The VSP1 has a minimum width and height of a single pixel, with the
exception of pixel formats with sub-sampling.

Remove the artificial minimum width and minimum height limitation, and
instead clamp the minimum dimensions based upon the sub-sampling
parameter of that dimension.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Kieran Bingham 2018-08-31 10:40:39 -04:00 committed by Mauro Carvalho Chehab
parent 9b2798d5b7
commit 8a7db6475e
1 changed files with 2 additions and 5 deletions
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7
drivers/media/platform/vsp1/vsp1_video.c
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@ -38,9 +38,7 @@
#define VSP1_VIDEO_DEF_WIDTH 1024
#define VSP1_VIDEO_DEF_HEIGHT 768
#define VSP1_VIDEO_MIN_WIDTH 2U
#define VSP1_VIDEO_MAX_WIDTH 8190U
#define VSP1_VIDEO_MIN_HEIGHT 2U
#define VSP1_VIDEO_MAX_HEIGHT 8190U
/* -----------------------------------------------------------------------------
@ -136,9 +134,8 @@ static int __vsp1_video_try_format(struct vsp1_video *video,
height = round_down(height, info->vsub);
/* Clamp the width and height. */
pix->width = clamp(width, VSP1_VIDEO_MIN_WIDTH, VSP1_VIDEO_MAX_WIDTH);
pix->height = clamp(height, VSP1_VIDEO_MIN_HEIGHT,
VSP1_VIDEO_MAX_HEIGHT);
pix->width = clamp(width, info->hsub, VSP1_VIDEO_MAX_WIDTH);
pix->height = clamp(height, info->vsub, VSP1_VIDEO_MAX_HEIGHT);
/*
* Compute and clamp the stride and image size. While not documented in