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media: imx: imx7-media-csi: Fix frame sizes enumeration 

Enumeration of the minimum, maximum and step values for the image width
does not take hardware constraints into account. Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Laurent Pinchart 2023-07-25 22:14:45 +03:00 committed by Mauro Carvalho Chehab
parent c2c0abbe86
commit 6308759ec6
1 changed files with 8 additions and 6 deletions
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14
drivers/media/platform/nxp/imx7-media-csi.c
View File

@ -1074,6 +1074,7 @@ static int imx7_csi_video_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
const struct imx7_csi_pixfmt *cc;
u32 walign;
if (fsize->index > 0)
return -EINVAL;
@ -1083,16 +1084,17 @@ static int imx7_csi_video_enum_framesizes(struct file *file, void *fh,
return -EINVAL;
/*
* TODO: The constraints are hardware-specific and may depend on the
* pixel format. This should come from the driver using
* imx_media_capture.
* The width alignment is 8 bytes as indicated by the
* CSI_IMAG_PARA.IMAGE_WIDTH documentation. Convert it to pixels.
*/
walign = 8 * 8 / cc->bpp;
fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
fsize->stepwise.min_width = 1;
fsize->stepwise.max_width = 65535;
fsize->stepwise.min_width = walign;
fsize->stepwise.max_width = round_down(65535U, walign);
fsize->stepwise.min_height = 1;
fsize->stepwise.max_height = 65535;
fsize->stepwise.step_width = 1;
fsize->stepwise.step_width = walign;
fsize->stepwise.step_height = 1;
return 0;