linux-kernel - Re: [PATCH] media: renesas: vsp1: Add support for VSPX

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Message-ID: <20241219175006.GI19884@pendragon.ideasonboard.com>
Date: Thu, 19 Dec 2024 19:50:06 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Jacopo Mondi <jacopo.mondi@...asonboard.com>
Cc: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: renesas: vsp1: Add support for VSPX

Hi Jacopo,

Thank you for the patch.

On Thu, Dec 19, 2024 at 06:40:13PM +0100, Jacopo Mondi wrote:
> Add support for VSPX to the vsp1 driver.
> 
> VSPX is an instance of Renesas VSP2 IP found on R-Car gen4 SoCs
> that performs external memory access on behalf of the ISP.
> 
> Signed-off-by: Jacopo Mondi <jacopo.mondi@...asonboard.com>

That's missing a +renesas suffix (same in the From: address). With that,

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>

> ---
> Add an vsp1_device_info entry for Gen4 VSPX.
> 
> VSPX will likely need custom features, hence do no set any feature
> for the time being to prepare to expand later on.
> ---
>  drivers/media/platform/renesas/vsp1/vsp1_drv.c  | 10 ++++++++++
>  drivers/media/platform/renesas/vsp1/vsp1_regs.h |  1 +
>  2 files changed, 11 insertions(+)
> 
> diff --git a/drivers/media/platform/renesas/vsp1/vsp1_drv.c b/drivers/media/platform/renesas/vsp1/vsp1_drv.c
> index 9fc6bf624a520ae38e9c5f30dfa4dfa412eec38e..4dfc5e1640264f23772964f2b48c66d76599cb70 100644
> --- a/drivers/media/platform/renesas/vsp1/vsp1_drv.c
> +++ b/drivers/media/platform/renesas/vsp1/vsp1_drv.c
> @@ -835,6 +835,16 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
>  		.uif_count = 2,
>  		.wpf_count = 1,
>  		.num_bru_inputs = 5,
> +	}, {
> +		.version = VI6_IP_VERSION_MODEL_VSPX_GEN4,
> +		.model = "VSP2-X",
> +		.gen = 4,
> +		.features = 0,
> +		.lif_count = 0,
> +		.rpf_count = 2,
> +		.uif_count = 0,
> +		.wpf_count = 0,
> +		.num_bru_inputs = 2,
>  	},
>  };
>  
> diff --git a/drivers/media/platform/renesas/vsp1/vsp1_regs.h b/drivers/media/platform/renesas/vsp1/vsp1_regs.h
> index 7eca82e0ba7ec5e02a5f3b9a30ccdcb48db39ed2..75e064429f4e231ecd2e291a10c09931e8096a97 100644
> --- a/drivers/media/platform/renesas/vsp1/vsp1_regs.h
> +++ b/drivers/media/platform/renesas/vsp1/vsp1_regs.h
> @@ -791,6 +791,7 @@
>  #define VI6_IP_VERSION_MODEL_VSPDL_GEN3	(0x19 << 8)
>  #define VI6_IP_VERSION_MODEL_VSPBS_GEN3	(0x1a << 8)
>  #define VI6_IP_VERSION_MODEL_VSPD_GEN4	(0x1c << 8)
> +#define VI6_IP_VERSION_MODEL_VSPX_GEN4	(0x1d << 8)
>  /* RZ/G2L SoCs have no version register, So use 0x80 as the model version */
>  #define VI6_IP_VERSION_MODEL_VSPD_RZG2L	(0x80 << 8)
>  
> 
> ---
> base-commit: 50d451b19cc58cf374160e30cbf72a5ed5b1b129
> change-id: 20241219-v4-vspx-id-1dd2bb4aedfd

-- 
Regards,

Laurent Pinchart