DRM_IOCTL_MOD_CTX 864 include/uapi/drm/drm.h #define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx) DRM_IOCTL_MOD_CTX 864 tools/include/uapi/drm/drm.h #define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx)