285     MppBufferImpl *impl = (MppBufferImpl *)buffer;  in check_buf_need_sync()  local
287     if (impl->info.fd <= 0) {  in check_buf_need_sync()
288         mpp_err("check fd found invalid fd %d from %s\n", impl->info.fd, caller);  in check_buf_need_sync()
293     if (impl->uncached) {  in check_buf_need_sync()
308     MppBufferImpl *impl = (MppBufferImpl *)buffer;  in mpp_buffer_sync_begin_f()  local
310     return mpp_dmabuf_sync_begin(impl->info.fd, ro, caller);  in mpp_buffer_sync_begin_f()
320     MppBufferImpl *impl = (MppBufferImpl *)buffer;  in mpp_buffer_sync_end_f()  local
322     return mpp_dmabuf_sync_end(impl->info.fd, ro, caller);  in mpp_buffer_sync_end_f()
332     MppBufferImpl *impl = (MppBufferImpl *)buffer;  in mpp_buffer_sync_partial_begin_f()  local
334     return mpp_dmabuf_sync_partial_begin(impl->info.fd, ro, impl->offset + offset, length, caller);  in mpp_buffer_sync_partial_begin_f()
344     MppBufferImpl *impl = (MppBufferImpl *)buffer;  in mpp_buffer_sync_partial_end_f()  local
346     return mpp_dmabuf_sync_partial_end(impl->info.fd, ro, impl->offset + offset, length, caller);  in mpp_buffer_sync_partial_end_f()