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From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Cc:     David Airlie <airlied@linux.ie>, dri-devel@lists.freedesktop.org,
        linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
        Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Subject: Re: [PATCH 2/3] drm: rcar-du: Add pixel format support
Date:   Fri, 14 Sep 2018 14:17:06 +0300
Message-ID: <3865052.iN5JJav0kF@avalon>
Organization: Ideas on Board Oy
In-Reply-To: <20180831181259.29529-3-kieran.bingham+renesas@ideasonboard.com>
References: <20180831181259.29529-1-kieran.bingham+renesas@ideasonboard.com> <20180831181259.29529-3-kieran.bingham+renesas@ideasonboard.com>
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Hi Kieran,

On Friday, 31 August 2018 21:12:58 EEST Kieran Bingham wrote:
> From: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
> 
> This patch supports pixel format of RGB332, ARGB4444, XRGB4444,
> BGR888, RGB888, BGRA8888, BGRX8888 and YVYU.
> VYUY pixel format is not supported by H/W specification.

Should VYUY be removed from rcar_du_vsp.c ? This can be done in a separate 
patch.

> Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
> 
> ---
> 
> This patch does not remove existing support for multiplanar YVUY, even
> though the hardware does not explicitly provide it, because we support
> it through software by swapping the plane buffers.
> 
>  drivers/gpu/drm/rcar-du/rcar_du_kms.c | 32 +++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 7c7aff8cdf77..d1bd174ec893
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> @@ -124,6 +124,38 @@ static const struct rcar_du_format_info
> rcar_du_format_infos[] = { .fourcc = DRM_FORMAT_YVU444,
>  		.bpp = 24,
>  		.planes = 3,
> +	}, {
> +		.fourcc = DRM_FORMAT_RGB332,
> +		.bpp = 8,
> +		.planes = 1,
> +	}, {
> +		.fourcc = DRM_FORMAT_ARGB4444,
> +		.bpp = 16,
> +		.planes = 1,
> +	}, {
> +		.fourcc = DRM_FORMAT_XRGB4444,
> +		.bpp = 16,
> +		.planes = 1,
> +	}, {
> +		.fourcc = DRM_FORMAT_BGR888,
> +		.bpp = 24,
> +		.planes = 1,
> +	}, {
> +		.fourcc = DRM_FORMAT_RGB888,
> +		.bpp = 24,
> +		.planes = 1,
> +	}, {
> +		.fourcc = DRM_FORMAT_BGRA8888,
> +		.bpp = 32,
> +		.planes = 1,
> +	}, {
> +		.fourcc = DRM_FORMAT_BGRX8888,
> +		.bpp = 32,
> +		.planes = 1,
> +	}, {
> +		.fourcc = DRM_FORMAT_YVYU,
> +		.bpp = 16,
> +		.planes = 1,
>  	},
>  };


-- 
Regards,

Laurent Pinchart