Re: [PATCH v4 5/6] media: rkvdec: Add the rkvdec driver

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On Wed, 29 Jan 2020 16:55:00 -0300
Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> wrote:

> From: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
> 
> The rockchip vdec block is a stateless decoder that's able to decode
> H264, HEVC and VP9 content. This commit adds the core infrastructure
> and the H264 backend. Support for VP9 and HEVS will be added later on.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
> Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
> ---
> v4:
> * Make poc tables const, as suggested by Hans
> * Move buffer extra space calculation TRY_FMT, as done on Hantro.
> * Get rid of vb2_request_get_buf and open-code
>   following Cedrus. We can move it to a helper as a follow-up patch.

Well, we know what that means in practice :-).

> new file mode 100644
> index 000000000000..1293b3621364
> --- /dev/null
> +++ b/drivers/staging/media/rkvdec/rkvdec-regs.h
> @@ -0,0 +1,239 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Rockchip VPU codec driver
> + *
> + * Copyright (C) 2015 Rockchip Electronics Co., Ltd.
> + *	Jung Zhao <jung.zhao@xxxxxxxxxxxxxx>
> + *	Alpha Lin <alpha.lin@xxxxxxxxxxxxxx>
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + */

Oops, looks like I forgot to remove the license text here. Also not
entirely sure the copyrights are correct (might be a copy from the
hantro driver instead of the rkvdec one).


> diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h
> new file mode 100644
> index 000000000000..529ef86510d3
> --- /dev/null
> +++ b/drivers/staging/media/rkvdec/rkvdec.h
> @@ -0,0 +1,124 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Hantro VPU codec driver
> + *
> + * Copyright 2018 Google LLC.
> + *	Tomasz Figa <tfiga@xxxxxxxxxxxx>
> + *
> + * Based on s5p-mfc driver by Samsung Electronics Co., Ltd.
> + * Copyright (C) 2011 Samsung Electronics Co., Ltd.
> + */

This header has been copied from the hantro driver, so it's most likely
wrong.



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