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@xxxxxxxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > 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; > } -- Regards, Laurent Pinchart