diff mbox series

[v3,1/4] media: imx: imx7-media-csi: Get rid of superfluous call to imx7_csi_mbus_fmt_to_pix_fmt

Message ID 20230418122041.1318862-2-alexander.stein@ew.tq-group.com (mailing list archive)
State New, archived
Headers show
Series Fix imx7-media-csi format settings | expand

Commit Message

Alexander Stein April 18, 2023, 12:20 p.m. UTC
There is no need to convert input pixformat to mbus_framefmt and back
again. Instead apply pixformat width constrains directly.
Assign compose values before adjusting pixformat height/width.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
Changes in v3:
* Move compose assignment before width adjustments
* Add comments regarding width multiples
* Remove unneeded stride rounding

 drivers/media/platform/nxp/imx7-media-csi.c | 22 ++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

Comments

Laurent Pinchart April 18, 2023, 3:35 p.m. UTC | #1
Hi Alexander,

Thank you for the patch.

On Tue, Apr 18, 2023 at 02:20:38PM +0200, Alexander Stein wrote:
> There is no need to convert input pixformat to mbus_framefmt and back
> again. Instead apply pixformat width constrains directly.
> Assign compose values before adjusting pixformat height/width.
> 
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
> Changes in v3:
> * Move compose assignment before width adjustments
> * Add comments regarding width multiples
> * Remove unneeded stride rounding
> 
>  drivers/media/platform/nxp/imx7-media-csi.c | 22 ++++++++++++++-------
>  1 file changed, 15 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c
> index b701e823436a8..b149374b07ee1 100644
> --- a/drivers/media/platform/nxp/imx7-media-csi.c
> +++ b/drivers/media/platform/nxp/imx7-media-csi.c
> @@ -1145,9 +1145,13 @@ static const struct imx7_csi_pixfmt *
>  __imx7_csi_video_try_fmt(struct v4l2_pix_format *pixfmt,
>  			 struct v4l2_rect *compose)
>  {
> -	struct v4l2_mbus_framefmt fmt_src;
>  	const struct imx7_csi_pixfmt *cc;
>  
> +	if (compose) {
> +		compose->width = pixfmt->width;
> +		compose->height = pixfmt->height;
> +	}
> +
>  	/*
>  	 * Find the pixel format, default to the first supported format if not
>  	 * found.
> @@ -1172,13 +1176,17 @@ __imx7_csi_video_try_fmt(struct v4l2_pix_format *pixfmt,
>  		}
>  	}
>  
> -	v4l2_fill_mbus_format(&fmt_src, pixfmt, 0);
> -	imx7_csi_mbus_fmt_to_pix_fmt(pixfmt, &fmt_src, cc);
> +	/*
> +	 * Round up width for minimum burst size.
> +	 *
> +	 * TODO: Implement configurable stride support, and check what the real
> +	 * hardware alignment constraint on the width is.
> +	 */
> +	v4l_bound_align_image(&pixfmt->width, 1, 0xffff, 8,
> +			      &pixfmt->height, 1, 0xffff, 1, 0);
>  
> -	if (compose) {
> -		compose->width = fmt_src.width;
> -		compose->height = fmt_src.height;
> -	}
> +	pixfmt->bytesperline = pixfmt->width * cc->bpp / 8;
> +	pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height;
>  
>  	return cc;
>  }
diff mbox series

Patch

diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c
index b701e823436a8..b149374b07ee1 100644
--- a/drivers/media/platform/nxp/imx7-media-csi.c
+++ b/drivers/media/platform/nxp/imx7-media-csi.c
@@ -1145,9 +1145,13 @@  static const struct imx7_csi_pixfmt *
 __imx7_csi_video_try_fmt(struct v4l2_pix_format *pixfmt,
 			 struct v4l2_rect *compose)
 {
-	struct v4l2_mbus_framefmt fmt_src;
 	const struct imx7_csi_pixfmt *cc;
 
+	if (compose) {
+		compose->width = pixfmt->width;
+		compose->height = pixfmt->height;
+	}
+
 	/*
 	 * Find the pixel format, default to the first supported format if not
 	 * found.
@@ -1172,13 +1176,17 @@  __imx7_csi_video_try_fmt(struct v4l2_pix_format *pixfmt,
 		}
 	}
 
-	v4l2_fill_mbus_format(&fmt_src, pixfmt, 0);
-	imx7_csi_mbus_fmt_to_pix_fmt(pixfmt, &fmt_src, cc);
+	/*
+	 * Round up width for minimum burst size.
+	 *
+	 * TODO: Implement configurable stride support, and check what the real
+	 * hardware alignment constraint on the width is.
+	 */
+	v4l_bound_align_image(&pixfmt->width, 1, 0xffff, 8,
+			      &pixfmt->height, 1, 0xffff, 1, 0);
 
-	if (compose) {
-		compose->width = fmt_src.width;
-		compose->height = fmt_src.height;
-	}
+	pixfmt->bytesperline = pixfmt->width * cc->bpp / 8;
+	pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height;
 
 	return cc;
 }