DRM_PANTHOR_VM_BIND_OP_MAP_READONLY
vm_map_flags |= DRM_PANTHOR_VM_BIND_OP_MAP_READONLY;
if (flags & DRM_PANTHOR_VM_BIND_OP_MAP_READONLY)
(DRM_PANTHOR_VM_BIND_OP_MAP_READONLY | \
(DRM_PANTHOR_VM_BIND_OP_MAP_READONLY | \