Re: [PATCH v7 01/11] media: imx: utils: fix and simplify pixel format enumeration

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Hi Steve and Philipp,

On Mon, Apr 6, 2020 at 1:40 PM Steve Longerbeam <slongerbeam@xxxxxxxxx> wrote:
>
> From: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
>
> Merge yuv_formats and rgb_formats into a single array. Always loop over
> all entries, skipping those that do not match the requested search
> criteria. This simplifies the code, lets us get rid of the manual
> counting of array entries, and stops accidentally ignoring some non-mbus
> RGB formats.
>
> Before:
>
>   $ v4l2-ctl -d /dev/video14 --list-formats-out
>   ioctl: VIDIOC_ENUM_FMT
>         Type: Video Output
>
>         [0]: 'UYVY' (UYVY 4:2:2)
>         [1]: 'YUYV' (YUYV 4:2:2)
>         [2]: 'YU12' (Planar YUV 4:2:0)
>         [3]: 'YV12' (Planar YVU 4:2:0)
>         [4]: '422P' (Planar YUV 4:2:2)
>         [5]: 'NV12' (Y/CbCr 4:2:0)
>         [6]: 'NV16' (Y/CbCr 4:2:2)
>         [7]: 'RGBP' (16-bit RGB 5-6-5)
>         [8]: 'RGB3' (24-bit RGB 8-8-8)
>         [9]: 'BX24' (32-bit XRGB 8-8-8-8)
>
> After:
>
>   $ v4l2-ctl -d /dev/video14 --list-formats-out
>   ioctl: VIDIOC_ENUM_FMT
>         Type: Video Output
>
>         [0]: 'UYVY' (UYVY 4:2:2)
>         [1]: 'YUYV' (YUYV 4:2:2)
>         [2]: 'YU12' (Planar YUV 4:2:0)
>         [3]: 'YV12' (Planar YVU 4:2:0)
>         [4]: '422P' (Planar YUV 4:2:2)
>         [5]: 'NV12' (Y/CbCr 4:2:0)
>         [6]: 'NV16' (Y/CbCr 4:2:2)
>         [7]: 'RGBP' (16-bit RGB 5-6-5)
>         [8]: 'RGB3' (24-bit RGB 8-8-8)
>         [9]: 'BGR3' (24-bit BGR 8-8-8)
>         [10]: 'BX24' (32-bit XRGB 8-8-8-8)
>         [11]: 'XR24' (32-bit BGRX 8-8-8-8)
>         [12]: 'RX24' (32-bit XBGR 8-8-8-8)
>         [13]: 'XB24' (32-bit RGBX 8-8-8-8)
>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
>
> [Make loop counters unsigned]
> [Decrement index instead of adding a counter]
> [Return directly from within loop instead of breaking]
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
>
> [Fix colorspace comparison error]
> Signed-off-by: Steve Longerbeam <slongerbeam@xxxxxxxxx>

This fixes a bug with an IC conversion pipeline.

Could we have a Fixes tag for this one, so that it can be applied to stable?

Tested on a imx6q-sabresd:

Tested-by: Fabio Estevam <festevam@xxxxxxxxx>



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