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Subject[PATCH 1/6] media: vsp1: Remove artificial pixel limitation
Date
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>
---
drivers/media/platform/vsp1/vsp1_video.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index 81d47a09d7bc..e78eadd0295b 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -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
--
2.17.1
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