@@ -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;
}
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(-)