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Message-ID: <b639b18e073e0eb38c439410c753f61486762a10.camel@mediatek.com>
Date:   Tue, 24 Oct 2023 03:35:56 +0000
From:   CK Hu (胡俊光) <ck.hu@...iatek.com>
To:     "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Singo Chang (張興國) 
        <Singo.Chang@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linaro-mm-sig@...ts.linaro.org" <linaro-mm-sig@...ts.linaro.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Jason-ch Chen (陳建豪) 
        <Jason-ch.Chen@...iatek.com>,
        Shawn Sung (宋孝謙) 
        <Shawn.Sung@...iatek.com>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        Johnson Wang (王聖鑫) 
        <Johnson.Wang@...iatek.com>,
        "jkardatzke@...gle.com" <jkardatzke@...gle.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 04/11] drm/mediatek: Add secure identify flag and
 funcution to mtk_drm_plane

Hi, Jason:

On Mon, 2023-10-23 at 12:45 +0800, Jason-JH.Lin wrote:
> Add is_sec flag to identify current mtk_drm_plane is secure.
> Add mtk_plane_is_sec_fb() to check current drm_framebuffer is secure.
> 
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_plane.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.h
> b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
> index 99aff7da0831..fe60e20a6e1c 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
> @@ -33,6 +33,7 @@ struct mtk_plane_pending_state {
>  	bool				async_dirty;
>  	bool				async_config;
>  	enum drm_color_encoding		color_encoding;
> +	bool				is_sec;

Where do you set this flag?

Regards,
CK

>  };
>  
>  struct mtk_plane_state {
> @@ -46,6 +47,7 @@ to_mtk_plane_state(struct drm_plane_state *state)
>  	return container_of(state, struct mtk_plane_state, base);
>  }
>  
> +bool mtk_plane_fb_is_secure(struct drm_framebuffer *fb);
>  int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
>  		   unsigned long possible_crtcs, enum drm_plane_type
> type,
>  		   unsigned int supported_rotations, const u32
> *formats,

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