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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)
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<krzysztof.kozlowski+dt@...aro.org>,
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CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Singo Chang (張興國)
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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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