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Message-ID: <1485236450.30572.3.camel@mtksdaap41>
Date:   Tue, 24 Jan 2017 13:40:50 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Bibby Hsieh <bibby.hsieh@...iatek.com>
CC:     David Airlie <airlied@...ux.ie>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>,
        Yingjoe Chen <yingjoe.chen@...iatek.com>,
        Cawa Cheng <cawa.cheng@...iatek.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        "Philipp Zabel" <p.zabel@...gutronix.de>,
        YT Shen <yt.shen@...iatek.com>,
        "Thierry Reding" <thierry.reding@...il.com>,
        Mao Huang <littlecvr@...omium.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Sascha Hauer" <kernel@...gutronix.de>
Subject: Re: [PATCH v3] drm/mediatek: Support UYVY and YUYV format for
 overlay

Hi, Bibby:

On Tue, 2017-01-24 at 12:40 +0800, Bibby Hsieh wrote:
> MT8173 overlay can support UYVY and YUYV format,
> we add the format in DRM driver.
> 
> Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com>
> Reviewed-by: Daniel Kurtz <djkurtz@...omium.org>

Acked-by: CK Hu <ck.hu@...iatek.com>

> ---
>  drivers/gpu/drm/mediatek/mtk_disp_ovl.c  | 7 +++++++
>  drivers/gpu/drm/mediatek/mtk_drm_plane.c | 2 ++
>  2 files changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index c703102..53f2001 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -40,10 +40,13 @@
>  #define	OVL_RDMA_MEM_GMC	0x40402020
>  
>  #define OVL_CON_BYTE_SWAP	BIT(24)
> +#define OVL_CON_MTX_YUV_TO_RGB	(6 << 16)
>  #define OVL_CON_CLRFMT_RGB565	(0 << 12)
>  #define OVL_CON_CLRFMT_RGB888	(1 << 12)
>  #define OVL_CON_CLRFMT_RGBA8888	(2 << 12)
>  #define OVL_CON_CLRFMT_ARGB8888	(3 << 12)
> +#define OVL_CON_CLRFMT_UYVY	(4 << 12)
> +#define OVL_CON_CLRFMT_YUYV	(5 << 12)
>  #define	OVL_CON_AEN		BIT(8)
>  #define	OVL_CON_ALPHA		0xff
>  
> @@ -162,6 +165,10 @@ static unsigned int ovl_fmt_convert(unsigned int fmt)
>  	case DRM_FORMAT_XBGR8888:
>  	case DRM_FORMAT_ABGR8888:
>  		return OVL_CON_CLRFMT_RGBA8888 | OVL_CON_BYTE_SWAP;
> +	case DRM_FORMAT_UYVY:
> +		return OVL_CON_CLRFMT_UYVY | OVL_CON_MTX_YUV_TO_RGB;
> +	case DRM_FORMAT_YUYV:
> +		return OVL_CON_CLRFMT_YUYV | OVL_CON_MTX_YUV_TO_RGB;
>  	}
>  }
>  
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> index c461a23..8c02d1d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> @@ -28,6 +28,8 @@
>  	DRM_FORMAT_XRGB8888,
>  	DRM_FORMAT_ARGB8888,
>  	DRM_FORMAT_RGB565,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_YUYV,
>  };
>  
>  static void mtk_plane_reset(struct drm_plane *plane)


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