DRM_KERNEL_CONTEXT
if (ctx->handle == DRM_KERNEL_CONTEXT) {
if (ctx->handle != DRM_KERNEL_CONTEXT) {
pos->handle != DRM_KERNEL_CONTEXT) {
if (lock->context == DRM_KERNEL_CONTEXT) {
if (context != DRM_KERNEL_CONTEXT) {
ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT);
prev = cmpxchg(lock, old, DRM_KERNEL_CONTEXT);
if (lock->context == DRM_KERNEL_CONTEXT) {