Re: [PATCH 1/6] media: vsp1: Remove artificial pixel limitation

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Hi Kieran,

Thank you for the patch.

On Friday, 31 August 2018 17:40:39 EEST Kieran Bingham wrote:
> 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@xxxxxxxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

and applied to my tree.

> ---
>  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

-- 
Regards,

Laurent Pinchart






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