On 28 4月 22 17:35:56, Jon Hunter wrote: > > On 28/04/2022 16:56, Mikko Perttunen wrote: > > On 4/28/22 17:10, Thierry Reding wrote: > > > On Tue, Apr 26, 2022 at 02:07:57PM +0800, Cai Huoqing wrote: > > > > The NVIDIA Deep Learning Accelerator (NVDLA) is an open source IP > > > > which is integrated into NVIDIA Jetson AGX Xavier, > > > > so add driver support for this accelerator." > > > > > > Hi, > > > > > > nice to see this work going on. For subsequent revisions, can you please > > > also Cc the Tegra mailing list (linux-tegra@xxxxxxxxxxxxxxx) as well as > > > the Tegra platform maintainers (that's Jon Hunter and myself). This will > > > make sure that more people with an interest in this will see your work. > > > Not everyone follows dri-devel, linaro-mm-sig or linux-media. > > > > > > Thanks, > > > Thierry > > > > From a quick glance it looks like this driver pokes DLA hardware > > directly which is not the intended programming model on Tegra hardware > > (there are Falcon microcontrollers that offload task scheduling and > > synchronization from the CPU). The hardware is also behind the Host1x > > bus so a simple platform device is not sufficient. > > > > Was this driver developed against some platform with OpenDLA hardware > > (i.e. not Tegra)? > > > > If so, we'd need to verify if the hardware matches the hardware in > > Tegra194. Also, this driver may not be ideal for Tegra platforms since > > we would lack the hardware scheduling and synchronization facilities. It > > is likely necessary to have separate drivers for OpenDLA and Tegra's DLA > > integration. > > > I believe that this is derived from the following github project ... > > https://github.com/nvdla/sw > Sure, based on https://github.com/nvdla/sw The copyright retain in this driver, like "Copyright (C) 2017-2018 NVIDIA CORPORATION" Thanks Cai > Jon > > -- > nvpublic
