[PATCH v4 35/36] media: imx: csi: fix crop rectangle reset in sink set_fmt

Steve Longerbeam
2017-02-16T02:19:37Z

From: Philipp Zabel <p.zabel@pengutronix.de>

The csi_try_crop call in set_fmt should compare the cropping rectangle
to the currently set input format, not to the previous input format.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
---
drivers/staging/media/imx/imx-media-csi.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index 6284f99..3e6b607 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -937,15 +937,13 @@ __csi_get_fmt(struct csi_priv *priv, struct v4l2_subdev_pad_config *cfg,
static int csi_try_crop(struct csi_priv *priv,
struct v4l2_rect *crop,
struct v4l2_subdev_pad_config *cfg,
- enum v4l2_subdev_format_whence which,
+ struct v4l2_mbus_framefmt *infmt,
struct imx_media_subdev *sensor)
{
struct v4l2_of_endpoint *sensor_ep;
- struct v4l2_mbus_framefmt *infmt;
v4l2_std_id std;
int ret;

- infmt = __csi_get_fmt(priv, cfg, CSI_SINK_PAD, which);
sensor_ep = &sensor->sensor_ep;

crop->width = min_t(__u32, infmt->width, crop->width);
@@ -1142,8 +1140,7 @@ static int csi_set_fmt(struct v4l2_subdev *sd,
crop.top = 0;
crop.width = sdformat->format.width;
crop.height = sdformat->format.height;
- ret = csi_try_crop(priv, &crop, cfg,
- sdformat->which, sensor);
+ ret = csi_try_crop(priv, &crop, cfg, &sdformat->format, sensor);
if (ret)
return ret;

@@ -1225,6 +1222,7 @@ static int csi_set_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_selection *sel)
{
struct csi_priv *priv = v4l2_get_subdevdata(sd);
+ struct v4l2_mbus_framefmt *infmt;
struct imx_media_subdev *sensor;
int ret;

@@ -1254,7 +1252,8 @@ static int csi_set_selection(struct v4l2_subdev *sd,
return 0;
}

- ret = csi_try_crop(priv, &sel->r, cfg, sel->which, sensor);
+ infmt = __csi_get_fmt(priv, cfg, CSI_SINK_PAD, sel->which);
+ ret = csi_try_crop(priv, &sel->r, cfg, infmt, sensor);
if (ret)
return ret;

--
2.7.4