diff mbox series

[3/3] media: staging: rkisp1: cap: enable RGB capture format with YUV media bus

Message ID 20200328105606.13660-4-dafna.hirschfeld@collabora.com (mailing list archive)
State New, archived
Headers show
Series media: staging: rkisp1: add support for RGB formats | expand

Commit Message

Dafna Hirschfeld March 28, 2020, 10:56 a.m. UTC
In selfpath, RGB capture formats are received in the sink pad as YUV
and are converted to RGB only when writing to memory. So the validation
function should accept YUV bus formats with RGB capture encoding.

Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
---
 drivers/staging/media/rkisp1/rkisp1-capture.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Comments

Laurent Pinchart April 5, 2020, 5:37 p.m. UTC | #1
Hi Dafna

Thank you for the patch.

On Sat, Mar 28, 2020 at 11:56:06AM +0100, Dafna Hirschfeld wrote:
> In selfpath, RGB capture formats are received in the sink pad as YUV
> and are converted to RGB only when writing to memory. So the validation
> function should accept YUV bus formats with RGB capture encoding.
> 
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
> ---
>  drivers/staging/media/rkisp1/rkisp1-capture.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c
> index b7681b806b4c..3abf38362f5a 100644
> --- a/drivers/staging/media/rkisp1/rkisp1-capture.c
> +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c
> @@ -1227,6 +1227,9 @@ static int rkisp1_capture_link_validate(struct media_link *link)
>  		media_entity_to_v4l2_subdev(link->source->entity);
>  	struct rkisp1_capture *cap = video_get_drvdata(vdev);
>  	struct rkisp1_isp *isp = &cap->rkisp1->isp;
> +	enum rkisp1_fmt_pix_type cap_fmt =
> +		rkisp1_pixel_enc_to_fmt_pix(cap->pix.info);
> +	enum rkisp1_fmt_pix_type isp_fmt = isp->src_fmt->fmt_type;
>  	struct v4l2_subdev_format sd_fmt;
>  	int ret;
>  
> @@ -1237,8 +1240,8 @@ static int rkisp1_capture_link_validate(struct media_link *link)
>  		return -EPIPE;
>  	}
>  
> -	if (rkisp1_pixel_enc_to_fmt_pix(cap->pix.info) !=
> -	    isp->src_fmt->fmt_type) {
> +	if ((cap_fmt == RKISP1_FMT_BAYER && isp_fmt == RKISP1_FMT_YUV) ||
> +	    (cap_fmt != RKISP1_FMT_BAYER && isp_fmt == RKISP1_FMT_BAYER)) {

How about listing the supported options instead of the unsupported
options ?

	if (!(isp_fmt == cap_fmt) &&
	    !(isp_fmt == RKISP1_FMT_YUV && cap_fmt == RKISP1_FMT_RGB))

This would also reject RKISP1_FMT_JPEG (which isn't used yet, true), and
generally (in my opinion at least) be more readable.

>  		dev_err(cap->rkisp1->dev,
>  			"format type mismatch in link '%s:%d->%s:%d'\n",
>  			link->source->entity->name, link->source->index,
diff mbox series

Patch

diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c
index b7681b806b4c..3abf38362f5a 100644
--- a/drivers/staging/media/rkisp1/rkisp1-capture.c
+++ b/drivers/staging/media/rkisp1/rkisp1-capture.c
@@ -1227,6 +1227,9 @@  static int rkisp1_capture_link_validate(struct media_link *link)
 		media_entity_to_v4l2_subdev(link->source->entity);
 	struct rkisp1_capture *cap = video_get_drvdata(vdev);
 	struct rkisp1_isp *isp = &cap->rkisp1->isp;
+	enum rkisp1_fmt_pix_type cap_fmt =
+		rkisp1_pixel_enc_to_fmt_pix(cap->pix.info);
+	enum rkisp1_fmt_pix_type isp_fmt = isp->src_fmt->fmt_type;
 	struct v4l2_subdev_format sd_fmt;
 	int ret;
 
@@ -1237,8 +1240,8 @@  static int rkisp1_capture_link_validate(struct media_link *link)
 		return -EPIPE;
 	}
 
-	if (rkisp1_pixel_enc_to_fmt_pix(cap->pix.info) !=
-	    isp->src_fmt->fmt_type) {
+	if ((cap_fmt == RKISP1_FMT_BAYER && isp_fmt == RKISP1_FMT_YUV) ||
+	    (cap_fmt != RKISP1_FMT_BAYER && isp_fmt == RKISP1_FMT_BAYER)) {
 		dev_err(cap->rkisp1->dev,
 			"format type mismatch in link '%s:%d->%s:%d'\n",
 			link->source->entity->name, link->source->index,