DRM_IOCTL_RM_CTX 863 include/uapi/drm/drm.h #define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx) DRM_IOCTL_RM_CTX 863 tools/include/uapi/drm/drm.h #define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx)