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SubjectRe: [PATCH 2/3] drm: rcar-du: Add pixel format support
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Hi Kieran,

Thank you for the patch.

How about renaming the subject line to "Add support for missing pixel formats"
?

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.
>
> 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,
> },
> };

I would list the RGB formats first, followed by the packed YUV format, and
then the multiplanar YUV formats. With this changed,

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

If you're fine with the changes there's no need to resubmit.

--
Regards,

Laurent Pinchart


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