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Date:   Wed, 10 Mar 2021 15:24:15 +0200
From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Liu Ying <victor.liu@nxp.com>
Cc:     dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-media@vger.kernel.org, airlied@linux.ie, daniel@ffwll.ch,
        robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
        kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
        mchehab@kernel.org, a.hajda@samsung.com, narmstrong@baylibre.com,
        jonas@kwiboo.se, jernej.skrabec@siol.net, kishon@ti.com,
        vkoul@kernel.org, robert.foss@linaro.org, lee.jones@linaro.org
Subject: Re: [PATCH v5 02/14] media: docs: Add some RGB bus formats for
 i.MX8qm/qxp pixel combiner
Message-ID: <YEjIf//ouB1wZss3@pendragon.ideasonboard.com>
References: <1615370138-5673-1-git-send-email-victor.liu@nxp.com>
 <1615370138-5673-3-git-send-email-victor.liu@nxp.com>
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Hi Liu,

Thank you for the patch.

On Wed, Mar 10, 2021 at 05:55:26PM +0800, Liu Ying wrote:
> This patch adds documentations for RGB666_1X30_CPADLO, RGB888_1X30_CPADLO,
> RGB666_1X36_CPADLO and RGB888_1X36_CPADLO bus formats used by i.MX8qm/qxp
> pixel combiner.  The RGB pixels with padding low per component are
> transmitted on a 30-bit input bus(10-bit per component) from a display
> controller or a 36-bit output bus(12-bit per component) to a pixel link.
> 
> Reviewed-by: Robert Foss <robert.foss@linaro.org>
> Signed-off-by: Liu Ying <victor.liu@nxp.com>
> ---
> v4->v5:
> * Add Robert's R-b tag.
> 
> v3->v4:
> * No change.
> 
> v2->v3:
> * No change.
> 
> v1->v2:
> * No change.
> 
>  .../userspace-api/media/v4l/subdev-formats.rst     | 156 +++++++++++++++++++++
>  1 file changed, 156 insertions(+)
> 
> diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> index 7f16cbe..201c16d 100644
> --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
> +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> @@ -1488,6 +1488,80 @@ The following tables list existing packed RGB formats.
>        - b\ :sub:`2`
>        - b\ :sub:`1`
>        - b\ :sub:`0`
> +    * .. _MEDIA-BUS-FMT-RGB666-1X30-CPADLO:
> +
> +      - MEDIA_BUS_FMT_RGB666_1X30-CPADLO
> +      - 0x101e
> +      -
> +      - 0
> +      - 0

I count 32 bits here. Should these two 0 be replaced by spaces ? Same
for MEDIA_BUS_FMT_RGB888_1X30-CPADLO.

With this fixed,

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> +      - r\ :sub:`5`
> +      - r\ :sub:`4`
> +      - r\ :sub:`3`
> +      - r\ :sub:`2`
> +      - r\ :sub:`1`
> +      - r\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - g\ :sub:`5`
> +      - g\ :sub:`4`
> +      - g\ :sub:`3`
> +      - g\ :sub:`2`
> +      - g\ :sub:`1`
> +      - g\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - b\ :sub:`5`
> +      - b\ :sub:`4`
> +      - b\ :sub:`3`
> +      - b\ :sub:`2`
> +      - b\ :sub:`1`
> +      - b\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +    * .. _MEDIA-BUS-FMT-RGB888-1X30-CPADLO:
> +
> +      - MEDIA_BUS_FMT_RGB888_1X30-CPADLO
> +      - 0x101f
> +      -
> +      - 0
> +      - 0
> +      - r\ :sub:`7`
> +      - r\ :sub:`6`
> +      - r\ :sub:`5`
> +      - r\ :sub:`4`
> +      - r\ :sub:`3`
> +      - r\ :sub:`2`
> +      - r\ :sub:`1`
> +      - r\ :sub:`0`
> +      - 0
> +      - 0
> +      - g\ :sub:`7`
> +      - g\ :sub:`6`
> +      - g\ :sub:`5`
> +      - g\ :sub:`4`
> +      - g\ :sub:`3`
> +      - g\ :sub:`2`
> +      - g\ :sub:`1`
> +      - g\ :sub:`0`
> +      - 0
> +      - 0
> +      - b\ :sub:`7`
> +      - b\ :sub:`6`
> +      - b\ :sub:`5`
> +      - b\ :sub:`4`
> +      - b\ :sub:`3`
> +      - b\ :sub:`2`
> +      - b\ :sub:`1`
> +      - b\ :sub:`0`
> +      - 0
> +      - 0
>      * .. _MEDIA-BUS-FMT-ARGB888-1X32:
>  
>        - MEDIA_BUS_FMT_ARGB888_1X32
> @@ -1665,6 +1739,88 @@ The following table list existing packed 36bit wide RGB formats.
>        - 2
>        - 1
>        - 0
> +    * .. _MEDIA-BUS-FMT-RGB666-1X36-CPADLO:
> +
> +      - MEDIA_BUS_FMT_RGB666_1X36_CPADLO
> +      - 0x1020
> +      -
> +      - r\ :sub:`5`
> +      - r\ :sub:`4`
> +      - r\ :sub:`3`
> +      - r\ :sub:`2`
> +      - r\ :sub:`1`
> +      - r\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - g\ :sub:`5`
> +      - g\ :sub:`4`
> +      - g\ :sub:`3`
> +      - g\ :sub:`2`
> +      - g\ :sub:`1`
> +      - g\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - b\ :sub:`5`
> +      - b\ :sub:`4`
> +      - b\ :sub:`3`
> +      - b\ :sub:`2`
> +      - b\ :sub:`1`
> +      - b\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +    * .. _MEDIA-BUS-FMT-RGB888-1X36-CPADLO:
> +
> +      - MEDIA_BUS_FMT_RGB888_1X36_CPADLO
> +      - 0x1021
> +      -
> +      - r\ :sub:`7`
> +      - r\ :sub:`6`
> +      - r\ :sub:`5`
> +      - r\ :sub:`4`
> +      - r\ :sub:`3`
> +      - r\ :sub:`2`
> +      - r\ :sub:`1`
> +      - r\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - g\ :sub:`7`
> +      - g\ :sub:`6`
> +      - g\ :sub:`5`
> +      - g\ :sub:`4`
> +      - g\ :sub:`3`
> +      - g\ :sub:`2`
> +      - g\ :sub:`1`
> +      - g\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
> +      - b\ :sub:`7`
> +      - b\ :sub:`6`
> +      - b\ :sub:`5`
> +      - b\ :sub:`4`
> +      - b\ :sub:`3`
> +      - b\ :sub:`2`
> +      - b\ :sub:`1`
> +      - b\ :sub:`0`
> +      - 0
> +      - 0
> +      - 0
> +      - 0
>      * .. _MEDIA-BUS-FMT-RGB121212-1X36:
>  
>        - MEDIA_BUS_FMT_RGB121212_1X36

-- 
Regards,

Laurent Pinchart