Re: [PATCH v21 9/9] media: verisilicon: Support removing buffers on capture queue

From: Mauro Carvalho Chehab <mchehab@kernel.org>
To: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Cc: tfiga@chromium.org, m.szyprowski@samsung.com,
	ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de,
	hverkuil-cisco@xs4all.nl, nicolas@ndufresne.ca,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-rockchip@lists.infradead.org, kernel@collabora.com
Subject: Re: [PATCH v21 9/9] media: verisilicon: Support removing buffers on capture queue
Date: Thu, 21 Mar 2024 15:16:12 +0100	[thread overview]
Message-ID: <20240321151612.42de52a5@coco.lan> (raw)
In-Reply-To: <20240314153226.197445-10-benjamin.gaignard@collabora.com>

Em Thu, 14 Mar 2024 16:32:26 +0100
Benjamin Gaignard <benjamin.gaignard@collabora.com> escreveu:

> Allow to remove buffers on capture queue because it the one which
> own the decoded buffers. After a dynamic resolution change lot of
> them could remain allocated but won't be used anymore so deleting
> them save memory.

LGTM.

Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
> ---
>  drivers/media/platform/verisilicon/hantro_v4l2.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c
> index 941fa23c211a..df6f2536263b 100644
> --- a/drivers/media/platform/verisilicon/hantro_v4l2.c
> +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c
> @@ -756,6 +756,7 @@ const struct v4l2_ioctl_ops hantro_ioctl_ops = {
>  	.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
>  	.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
>  	.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
> +	.vidioc_remove_bufs = v4l2_m2m_ioctl_remove_bufs,
>  	.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
>  
>  	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,

Thanks,
Mauro