From: Helen Koike <helen.koike@collabora.com>
To: "André Almeida" <andrealmeid@collabora.com>, linux-media@vger.kernel.org
Cc: mchehab@kernel.org, hverkuil@xs4all.nl, lucmaga@gmail.com,
linux-kernel@vger.kernel.org, kernel@collabora.com,
lkcamp@lists.libreplanetbr.org
Subject: Re: [PATCH v2 15/15] media: vimc: Create multiplanar parameter
Date: Fri, 12 Apr 2019 19:50:42 -0300 [thread overview]
Message-ID: <9e832497-9ea1-1758-5a7f-c4bfcbebc382@collabora.com> (raw)
In-Reply-To: <20190327151743.18528-16-andrealmeid@collabora.com>
On 3/27/19 12:17 PM, André Almeida wrote:
> Create multiplanar kernel module parameter to define if the driver is
> running in single planar or in multiplanar mode. Define the device
> capabilities according to the multiplanar kernel parameter. A device can't
> support both CAP_VIDEO_CAPTURE and CAP_VIDEO_CAPTURE_MPLANAR at the
> same time.
>
> Signed-off-by: André Almeida <andrealmeid@collabora.com>
> ---
> Change in v2:
> - Squash commits to create multiplanar module parameter and to define
> the device capabilities
> - Move the creation of the multiplanar parameter to the end of
> history, so it's only added when all required changes are applied
>
> drivers/media/platform/vimc/vimc-capture.c | 13 +++++++++++--
> 1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c
> index f5bfb36a145c..3666fcca6812 100644
> --- a/drivers/media/platform/vimc/vimc-capture.c
> +++ b/drivers/media/platform/vimc/vimc-capture.c
> @@ -28,6 +28,10 @@
>
> #define VIMC_CAP_DRV_NAME "vimc-capture"
>
> +static unsigned int multiplanar;
> +module_param(multiplanar, uint, 0000);
> +MODULE_PARM_DESC(multiplanar, "0 (default) creates a single planar device, 1 creates a multiplanar device.");
> +
> /* Checks if the device supports multiplanar capture */
> #define IS_MULTIPLANAR(vcap) \
> (vcap->vdev.device_caps & V4L2_CAP_VIDEO_CAPTURE_MPLANE)
> @@ -681,7 +685,9 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
>
> /* Initialize the vb2 queue */
> q = &vcap->queue;
> - q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
> + q->type = multiplanar ?
> + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE :
> + V4L2_BUF_TYPE_VIDEO_CAPTURE;
> q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_USERPTR;
> q->drv_priv = vcap;
> q->buf_struct_size = sizeof(struct vimc_cap_buffer);
> @@ -709,9 +715,12 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
> dev_set_drvdata(comp, &vcap->ved);
> vcap->dev = comp;
>
> +
> /* Initialize the video_device struct */
> vdev = &vcap->vdev;
> - vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
> + vdev->device_caps = (multiplanar ?
> + V4L2_CAP_VIDEO_CAPTURE_MPLANE :
> + V4L2_BUF_TYPE_VIDEO_CAPTURE) | V4L2_CAP_STREAMING;
s/V4L2_BUF_TYPE_VIDEO_CAPTURE/V4L2_CAP_VIDEO_CAPTURE
> vdev->entity.ops = &vimc_cap_mops;
> vdev->release = vimc_cap_release;
> vdev->fops = &vimc_cap_fops;
>
prev parent reply other threads:[~2019-04-12 22:50 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-27 15:17 [PATCH v2 00/15] media: vimc: Add support for multiplanar formats André Almeida
2019-03-27 15:17 ` [PATCH v2 01/15] media: Move sp2mp functions to v4l2-common André Almeida
2019-04-12 22:48 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 02/15] media: vimc: Remove unnecessary stream checks André Almeida
2019-04-12 22:48 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 03/15] media: vimc: cap: Change vimc_cap_device.format type André Almeida
2019-04-12 22:48 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 04/15] media: vimc: cap: Dynamically define stream pixelformat André Almeida
2019-04-12 22:48 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 05/15] media: vimc: cap: Add handler for singleplanar fmt ioctls André Almeida
2019-04-12 22:48 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 06/15] media: vimc: cap: Add handler for multiplanar " André Almeida
2019-03-27 15:17 ` [PATCH v2 07/15] media: vimc: cap: Add multiplanar formats André Almeida
2019-04-12 22:49 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 08/15] media: vimc: cap: Add multiplanar default format André Almeida
2019-04-12 22:49 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 09/15] media: vimc: cap: Allocate and verify mplanar buffers André Almeida
2019-04-12 22:49 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 10/15] media: vimc: Propagate multiplanar state in the stream André Almeida
2019-04-12 22:50 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 11/15] media: vimc: Add and use new struct vimc_frame André Almeida
2019-04-16 15:17 ` Helen Koike
2019-03-27 15:17 ` [PATCH v2 12/15] media: vimc: sen: Add support for multiplanar formats André Almeida
2019-03-27 15:17 ` [PATCH v2 13/15] media: vimc: sca: " André Almeida
2019-03-27 15:17 ` [PATCH v2 14/15] media: vimc: cap: " André Almeida
2019-03-27 15:17 ` [PATCH v2 15/15] media: vimc: Create multiplanar parameter André Almeida
2019-04-12 22:50 ` Helen Koike [this message]
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