linux-kernel - Re: [PATCH v2 4/4] media: rcar-vin: Fix RAW10

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20250428230340.GD1969140@ragnatech.se>
Date: Tue, 29 Apr 2025 01:03:40 +0200
From: Niklas Söderlund <niklas.soderlund@...natech.se>
To: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: Re: [PATCH v2 4/4] media: rcar-vin: Fix RAW10

Hello Tomi,

Thanks for your work.

On 2025-04-24 10:05:36 +0300, Tomi Valkeinen wrote:
> Fix the following to get RAW10 formats working:
> 
> In rvin_formats, the bpp is set to 4 for RAW10. As VIN unpacks RAW10 to
> 16-bit containers, the bpp should be 2.
> 
> Don't set VNDMR_YC_THR to the VNDMR register. The YC_THR is "YC Data
> Through Mode", used for YUV formats and should not be set for RAW10.
> 
> Fixes: 1b7e7240eaf3 ("media: rcar-vin: Add support for RAW10")
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>

> ---
>  drivers/media/platform/renesas/rcar-vin/rcar-dma.c  | 2 +-
>  drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c | 8 ++++----
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
> index a38c7b835231..9de1d3d91fa6 100644
> --- a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
> +++ b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
> @@ -890,7 +890,7 @@ static int rvin_setup(struct rvin_dev *vin)
>  	case V4L2_PIX_FMT_SGBRG10:
>  	case V4L2_PIX_FMT_SGRBG10:
>  	case V4L2_PIX_FMT_SRGGB10:
> -		dmr = VNDMR_RMODE_RAW10 | VNDMR_YC_THR;
> +		dmr = VNDMR_RMODE_RAW10;
>  		break;
>  	default:
>  		vin_err(vin, "Invalid pixelformat (0x%x)\n",
> diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c b/drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c
> index 756fdfdbce61..65da8d513b52 100644
> --- a/drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c
> +++ b/drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c
> @@ -88,19 +88,19 @@ static const struct rvin_video_format rvin_formats[] = {
>  	},
>  	{
>  		.fourcc			= V4L2_PIX_FMT_SBGGR10,
> -		.bpp			= 4,
> +		.bpp			= 2,
>  	},
>  	{
>  		.fourcc			= V4L2_PIX_FMT_SGBRG10,
> -		.bpp			= 4,
> +		.bpp			= 2,
>  	},
>  	{
>  		.fourcc			= V4L2_PIX_FMT_SGRBG10,
> -		.bpp			= 4,
> +		.bpp			= 2,
>  	},
>  	{
>  		.fourcc			= V4L2_PIX_FMT_SRGGB10,
> -		.bpp			= 4,
> +		.bpp			= 2,
>  	},
>  };
>  
> 
> -- 
> 2.43.0
> 

-- 
Kind Regards,
Niklas Söderlund