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@xxxxxxxxxxxx> > --- > 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,