Re: [PATCH 1/2] media: rkisp1: Increase ISP input resolution limit

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Hi Sebastian,

Thank you for the patch.

On Thu, Mar 25, 2021 at 08:27:01PM +0100, Sebastian Fricke wrote:
> The incentive for this patch was to overcome the inability of the
> ISP device to work with resolutions greater than 4032x3024.
> Increase the limit to 4416x3312 to allow higher input resolutions.
> Use the old resolution to crop the input resolution down to the maximum
> size for the ISP to process frames.
> 
> Signed-off-by: Sebastian Fricke <sebastian.fricke@xxxxxxxxxx>
> ---
>  drivers/media/platform/rockchip/rkisp1/rkisp1-common.h | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> index 038c303a8aed..553effda4d5e 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> @@ -30,10 +30,12 @@
>  #define RKISP1_ISP_SD_SINK BIT(1)
>  
>  /* min and max values for the widths and heights of the entities */
> -#define RKISP1_ISP_MAX_WIDTH		4032
> -#define RKISP1_ISP_MAX_HEIGHT		3024
> -#define RKISP1_ISP_MIN_WIDTH		32
> -#define RKISP1_ISP_MIN_HEIGHT		32
> +#define RKISP1_ISP_MAX_WIDTH			4416
> +#define RKISP1_ISP_MAX_HEIGHT			3312
> +#define RKISP1_ISP_MAX_WIDTH_PROCESSING		4032
> +#define RKISP1_ISP_MAX_HEIGHT_PROCESSING	3024

Maybe s/_PROCESSING/_CROP/, or a name more descriptive ?

I would also squash this patch with 2/2, as otherwise you'll introduce a
bisection breakage (applying 1/2 only will leave the driver in an
incorrect state).

> +#define RKISP1_ISP_MIN_WIDTH			32
> +#define RKISP1_ISP_MIN_HEIGHT			32
>  
>  #define RKISP1_RSZ_MP_SRC_MAX_WIDTH		4416
>  #define RKISP1_RSZ_MP_SRC_MAX_HEIGHT		3312

-- 
Regards,

Laurent Pinchart



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