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From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
To: Benjamin Gaignard <benjamin.gaignard@collabora.com>,
	mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com,
	ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar,
	p.zabel@pengutronix.de, gregkh@linuxfoundation.org,
	nicolas.dufresne@collabora.com
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	linux-arm-msm@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	linux-staging@lists.linux.dev, kernel@collabora.com
Subject: Re: [PATCH v7 24/49] media: pci: dt3155: Stop direct calls to queue num_buffers field
Date: Tue, 19 Sep 2023 15:43:45 +0200	[thread overview]
Message-ID: <fe0405a0-e150-477c-9fdb-e5b65c8f05ce@xs4all.nl> (raw)
In-Reply-To: <20230914133323.198857-25-benjamin.gaignard@collabora.com>

On 14/09/2023 15:32, Benjamin Gaignard wrote:
> Use vb2_get_num_buffers() to avoid using queue num_buffer field directly.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
> ---
>  drivers/media/pci/dt3155/dt3155.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/pci/dt3155/dt3155.c b/drivers/media/pci/dt3155/dt3155.c
> index 548156b199cc..d3abb0e093c1 100644
> --- a/drivers/media/pci/dt3155/dt3155.c
> +++ b/drivers/media/pci/dt3155/dt3155.c
> @@ -126,10 +126,11 @@ dt3155_queue_setup(struct vb2_queue *vq,
>  
>  {
>  	struct dt3155_priv *pd = vb2_get_drv_priv(vq);
> +	unsigned int q_num_bufs = vb2_get_num_buffers(vq);
>  	unsigned size = pd->width * pd->height;
>  
> -	if (vq->num_buffers + *nbuffers < 2)
> -		*nbuffers = 2 - vq->num_buffers;
> +	if (q_num_bufs + *nbuffers < 2)
> +		*nbuffers = 2 - q_num_bufs;

Just drop this, min_buffers_needed is already set to 0.

Regards,

	Hans

>  	if (*num_planes)
>  		return sizes[0] < size ? -EINVAL : 0;
>  	*num_planes = 1;


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  reply	other threads:[~2023-09-19 13:44 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-14 13:32 [PATCH v7 00/49] Add DELETE_BUF ioctl Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 01/49] media: videobuf2: Rework offset 'cookie' encoding pattern Benjamin Gaignard
2023-09-19  9:15   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 02/49] media: videobuf2: Stop spamming kernel log with all queue counter Benjamin Gaignard
2023-09-19  9:22   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 03/49] media: videobuf2: Use vb2_buffer instead of index Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 04/49] media: amphion: Use vb2_get_buffer() instead of directly access to buffers array Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 05/49] media: mediatek: jpeg: " Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 06/49] media: mediatek: vdec: " Benjamin Gaignard
2023-09-19  9:37   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 07/49] media: sti: hva: " Benjamin Gaignard
2023-09-19  9:31   ` Hans Verkuil
2023-09-19 10:26     ` Benjamin Gaignard
2023-09-19 11:20       ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 08/49] media: visl: " Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 09/49] media: atomisp: " Benjamin Gaignard
2023-09-19  9:41   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 10/49] media: dvb-core: " Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 11/49] media: videobuf2: Access vb2_queue bufs array through helper functions Benjamin Gaignard
2023-09-19 10:33   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 12/49] media: videobuf2: Be more flexible on the number of queue stored buffers Benjamin Gaignard
2023-09-19 10:55   ` Hans Verkuil
2023-09-19 12:42   ` Hans Verkuil
2023-09-20  8:56     ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 13/49] media: verisilicon: Refactor postprocessor to store more buffers Benjamin Gaignard
2023-09-19 10:57   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 14/49] media: verisilicon: Store chroma and motion vectors offset Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 15/49] media: verisilicon: g2: Use common helpers to compute chroma and mv offsets Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 16/49] media: verisilicon: postproc: Fix down scale test Benjamin Gaignard
2023-09-19 11:16   ` Hans Verkuil
2023-09-20  7:44     ` Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 17/49] media: verisilicon: vp9: Allow to change resolution while streaming Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 18/49] media: Remove duplicated index vs q->num_buffers check Benjamin Gaignard
2023-09-19 12:21   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 19/49] media: core: Add helper to get queue number of buffers Benjamin Gaignard
2023-09-14 13:32 ` [PATCH v7 20/49] media: core: Rework how create_buf index returned value is computed Benjamin Gaignard
2023-09-19 12:34   ` Hans Verkuil
2023-09-19 14:50   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 21/49] media: dvb: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-09-19 13:40   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 22/49] media: i2c: " Benjamin Gaignard
2023-09-19  9:27   ` Hans Verkuil
2023-09-19 13:42   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 23/49] media: pci: cx18: " Benjamin Gaignard
2023-09-19 13:42   ` Hans Verkuil
2023-09-14 13:32 ` [PATCH v7 24/49] media: pci: dt3155: " Benjamin Gaignard
2023-09-19 13:43   ` Hans Verkuil [this message]
2023-09-14 13:32 ` [PATCH v7 25/49] media: pci: netup_unidvb: " Benjamin Gaignard
2023-09-19 13:52   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 26/49] media: pci: tw68: " Benjamin Gaignard
2023-09-19 13:56   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 27/49] media: pci: tw686x: " Benjamin Gaignard
2023-09-19 13:57   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 28/49] media: amphion: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 29/49] media: coda: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 30/49] media: mediatek: vcodec: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 31/49] media: nxp: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 32/49] media: renesas: " Benjamin Gaignard
2023-09-19 14:05   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 33/49] media: sti: hva: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 34/49] media: ti: " Benjamin Gaignard
2023-09-19 14:10   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 35/49] media: verisilicon: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 36/49] media: test-drivers: " Benjamin Gaignard
2023-09-19 14:15   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 37/49] media: usb: airspy: " Benjamin Gaignard
2023-09-19 14:16   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 38/49] media: usb: cx231xx: " Benjamin Gaignard
2023-09-19 14:19   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 39/49] media: usb: hackrf: " Benjamin Gaignard
2023-09-19 14:20   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 40/49] media: usb: usbtv: " Benjamin Gaignard
2023-09-19 14:21   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 41/49] media: atomisp: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 42/49] media: imx: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 43/49] media: meson: vdec: " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 44/49] media: cedrus: " Benjamin Gaignard
2023-09-19 14:26   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 45/49] media: core: Add bitmap manage bufs array entries Benjamin Gaignard
2023-09-15  0:47   ` kernel test robot
2023-09-15 13:02     ` Benjamin Gaignard
2023-09-19 15:00   ` Hans Verkuil
2023-09-20 14:30     ` Benjamin Gaignard
2023-09-20 14:56       ` Hans Verkuil
2023-09-20 15:17         ` Benjamin Gaignard
2023-09-21  9:28         ` Benjamin Gaignard
2023-09-21 10:24           ` Hans Verkuil
2023-09-21 12:05             ` Benjamin Gaignard
2023-09-21 12:13               ` Hans Verkuil
2023-09-21 12:46                 ` Benjamin Gaignard
2023-09-21 13:07                   ` Benjamin Gaignard
2023-09-21 13:48                   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 46/49] media: core: Free range of buffers Benjamin Gaignard
2023-09-19 15:09   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 47/49] media: v4l2: Add DELETE_BUFS ioctl Benjamin Gaignard
2023-09-19 15:14   ` Hans Verkuil
2023-09-14 13:33 ` [PATCH v7 48/49] media: v4l2: Add mem2mem helpers for " Benjamin Gaignard
2023-09-14 13:33 ` [PATCH v7 49/49] media: test-drivers: Use helper " Benjamin Gaignard

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