Re: [PATCH v3 06/11] drm/mediatek: Add get_sec_port interface to mtk_ddp_comp

From: CK Hu (胡俊光)
Date: Tue Dec 26 2023 - 00:25:00 EST


On Sun, 2023-12-24 at 02:29 +0800, Jason-JH.Lin wrote:
> Add get_sec_port interface to ddp_comp to get the secure port
> settings
> from ovl and ovl_adaptor.
> Then mediatek-drm will use secure cmdq driver to configure DRAM
> access
> permission in secure world by their secure port settings.
>
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx>
> ---

TODO: drop this patch.


Regards,
CK

> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index b5a05ca3a385..1e6a120a103d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -84,6 +84,7 @@ struct mtk_ddp_comp_funcs {
> void (*add)(struct device *dev, struct mtk_mutex *mutex);
> void (*remove)(struct device *dev, struct mtk_mutex *mutex);
> unsigned int (*encoder_index)(struct device *dev);
> + u64 (*get_sec_port)(struct mtk_ddp_comp *comp, unsigned int
> idx);
> };
>
> struct mtk_ddp_comp {
> @@ -199,6 +200,14 @@ static inline unsigned int
> mtk_ddp_gamma_get_lut_size(struct mtk_ddp_comp *comp)
> return 0;
> }
>
> +static inline u64 mtk_ddp_comp_layer_get_sec_port(struct
> mtk_ddp_comp *comp,
> + unsigned int idx)
> +{
> + if (comp->funcs && comp->funcs->get_sec_port)
> + return comp->funcs->get_sec_port(comp, idx);
> + return 0;
> +}
> +
> static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
> struct drm_crtc_state *state)
> {