Re: (EXT) [PATCH 55/55] media: rkisp1: Fix RSZ_CTRL bits for i.MX8MP

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Hello Paul,

thanks for the patch.

Am Dienstag, 14. Juni 2022, 21:11:27 CEST schrieb Paul Elder:
> The ISP that is integrated in the i.MX8MP uses different bits in the
> MRSZ_CTRL and SRSZ_CTRL registers for updating the configuration
> compared to the on in the RK3399. In addition, it adds a new bit for
> enabling crop. Add new definitions for these bits for i.MX8MP devices,
> and update where they are set.
> 
> Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
> ---
>  drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h   |  4 ++++
>  .../media/platform/rockchip/rkisp1/rkisp1-resizer.c    | 10 ++++++++--
>  2 files changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
> b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h index
> 34f4fe09c88d..24ad2ccec2a3 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
> @@ -168,6 +168,10 @@
>  #define RKISP1_CIF_RSZ_CTRL_CFG_UPD_AUTO		BIT(9)
>  #define RKISP1_CIF_RSZ_SCALER_FACTOR			BIT(16)
> 
> +#define RKISP1_CIF_RSZ_CTRL_CROP_ENABLE_IMX		BIT(8)
> +#define RKISP1_CIF_RSZ_CTRL_CFG_UPD_IMX			BIT(9)
> +#define RKISP1_CIF_RSZ_CTRL_CFG_UPD_AUTO_IMX		BIT(10)
> +

Does it make sense to move this kind of information into struct rkisp1_info? 
This way you can skip the if (isp_ver == ...) thing.

Best regards,
Alexander

>  /* RSZ_CROP_[XY]_DIR */
>  #define RKISP1_CIF_RSZ_CROP_XY_DIR(start, end)		((end) << 16 
| (start) <<
> 0)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c index
> 08bf3aa8088f..29a31b18a082 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> @@ -209,9 +209,15 @@ static void rkisp1_rsz_update_shadow(struct
> rkisp1_resizer *rsz, u32 ctrl_cfg = rkisp1_rsz_read(rsz,
> RKISP1_CIF_RSZ_CTRL);
> 
>  	if (when == RKISP1_SHADOW_REGS_ASYNC)
> -		ctrl_cfg |= RKISP1_CIF_RSZ_CTRL_CFG_UPD_AUTO;
> +		if (rsz->rkisp1->info->isp_ver == IMX8MP_V10)
> +			ctrl_cfg |= 
RKISP1_CIF_RSZ_CTRL_CFG_UPD_AUTO_IMX;
> +		else
> +			ctrl_cfg |= RKISP1_CIF_RSZ_CTRL_CFG_UPD_AUTO;
>  	else
> -		ctrl_cfg |= RKISP1_CIF_RSZ_CTRL_CFG_UPD;
> +		if (rsz->rkisp1->info->isp_ver == IMX8MP_V10)
> +			ctrl_cfg |= RKISP1_CIF_RSZ_CTRL_CFG_UPD_IMX;
> +		else
> +			ctrl_cfg |= RKISP1_CIF_RSZ_CTRL_CFG_UPD;
> 
>  	rkisp1_rsz_write(rsz, RKISP1_CIF_RSZ_CTRL, ctrl_cfg);
>  }







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