Add DRM_MTK_GEM_CREATE_RESTRICTED flag for the user space to tell the kernel space this dma buffer is restricted. The user space can store this flag into the private data of the dma buffer after allocating.
A restricted buffer is used to store the secure video content to support secure video path feature.
Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com Signed-off-by: Hsiao Chien Sung shawn.sung@mediatek.com --- include/uapi/drm/mediatek_drm.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/uapi/drm/mediatek_drm.h b/include/uapi/drm/mediatek_drm.h index 821f7a732365..dee581718d70 100644 --- a/include/uapi/drm/mediatek_drm.h +++ b/include/uapi/drm/mediatek_drm.h @@ -39,6 +39,7 @@ struct drm_mtk_gem_create { };
#define DRM_MTK_GEM_CREATE 0x00 +#define DRM_MTK_GEM_CREATE_RESTRICTED 0x01
#define DRM_IOCTL_MTK_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ DRM_MTK_GEM_CREATE, struct drm_mtk_gem_create)