linux-kernel - Re: [PATCH 1/3] media: rkisp1: regs: Consolidate MI interrupt wrap fields

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Date:   Wed, 29 Nov 2023 20:03:27 +0000
From:   Kieran Bingham <kieran.bingham@...asonboard.com>
To:     Paul Elder <paul.elder@...asonboard.com>,
        linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org
Cc:     tomi.valkeinen@...asonboard.com, umang.jain@...asonboard.com,
        Paul Elder <paul.elder@...asonboard.com>,
        Dafna Hirschfeld <dafna@...tmail.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] media: rkisp1: regs: Consolidate MI interrupt wrap fields

Quoting Paul Elder (2023-11-29 09:29:54)
> Consolidate the wraparound fields in the memory interface interrupt
> status registers, so that it can be more succinctly expressed by taking
> the stream ID (main or self) as a parameter.
> 
> Signed-off-by: Paul Elder <paul.elder@...asonboard.com>

Reviewed-by: Kieran Bingham <kieran.bingham@...asonboard.com>

> ---
>  drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
> index 350f452e676f..bea69a0d766a 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
> @@ -172,12 +172,9 @@
>  #define RKISP1_CIF_MI_FRAME(stream)                    BIT((stream)->id)
>  #define RKISP1_CIF_MI_MBLK_LINE                                BIT(2)
>  #define RKISP1_CIF_MI_FILL_MP_Y                                BIT(3)
> -#define RKISP1_CIF_MI_WRAP_MP_Y                                BIT(4)
> -#define RKISP1_CIF_MI_WRAP_MP_CB                       BIT(5)
> -#define RKISP1_CIF_MI_WRAP_MP_CR                       BIT(6)
> -#define RKISP1_CIF_MI_WRAP_SP_Y                                BIT(7)
> -#define RKISP1_CIF_MI_WRAP_SP_CB                       BIT(8)
> -#define RKISP1_CIF_MI_WRAP_SP_CR                       BIT(9)
> +#define RKISP1_CIF_MI_WRAP_Y(stream)                   BIT(4 + (stream)->id * 3)
> +#define RKISP1_CIF_MI_WRAP_CB(stream)                  BIT(5 + (stream)->id * 3)
> +#define RKISP1_CIF_MI_WRAP_CR(stream)                  BIT(6 + (stream)->id * 3)
>  #define RKISP1_CIF_MI_DMA_READY                                BIT(11)
>  
>  /* MI_STATUS */
> -- 
> 2.39.2
>